ASTContext.cpp revision 2390a72a3ebd37737fec5ba1385db9c3bb22fc59
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 } 598c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: 599c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getTypeInfo(cast<ObjCObjectType>(T)->getBaseType().getTypePtr()); 60044a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel case Type::ObjCInterface: { 6011d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ObjCInterfaceType *ObjCI = cast<ObjCInterfaceType>(T); 60244a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &Layout = getASTObjCInterfaceLayout(ObjCI->getDecl()); 60344a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel Width = Layout.getSize(); 60444a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel Align = Layout.getAlignment(); 60544a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel break; 60644a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel } 60772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 60872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: { 6091d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const TagType *TT = cast<TagType>(T); 6101d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar 6111d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (TT->getDecl()->isInvalidDecl()) { 6128389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner Width = 1; 6138389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner Align = 1; 6148389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner break; 6158389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner } 6161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6171d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (const EnumType *ET = dyn_cast<EnumType>(TT)) 6187176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner return getTypeInfo(ET->getDecl()->getIntegerType()); 6197176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner 6201d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const RecordType *RT = cast<RecordType>(TT); 6217176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner const ASTRecordLayout &Layout = getASTRecordLayout(RT->getDecl()); 6227176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner Width = Layout.getSize(); 6237176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner Align = Layout.getAlignment(); 624dc0d73e6495404418acf8548875aeaff07791a74Chris Lattner break; 625a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 6267532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 6279fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner case Type::SubstTemplateTypeParm: 62849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getTypeInfo(cast<SubstTemplateTypeParmType>(T)-> 62949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall getReplacementType().getTypePtr()); 63049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 63118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::Typedef: { 63218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor const TypedefDecl *Typedef = cast<TypedefType>(T)->getDecl(); 63340b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (const AlignedAttr *Aligned = Typedef->getAttr<AlignedAttr>()) { 634bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Align = std::max(Aligned->getMaxAlignment(), 635bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt getTypeAlign(Typedef->getUnderlyingType().getTypePtr())); 63618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = getTypeSize(Typedef->getUnderlyingType().getTypePtr()); 63718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor } else 63818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(Typedef->getUnderlyingType().getTypePtr()); 6397532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor break; 6407176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner } 64118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 64218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOfExpr: 64318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfExprType>(T)->getUnderlyingExpr()->getType() 64418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor .getTypePtr()); 64518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 64618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOf: 64718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfType>(T)->getUnderlyingType().getTypePtr()); 64818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 649395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson case Type::Decltype: 650395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return getTypeInfo(cast<DecltypeType>(T)->getUnderlyingExpr()->getType() 651395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson .getTypePtr()); 652395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 653465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara case Type::Elaborated: 654465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return getTypeInfo(cast<ElaboratedType>(T)->getNamedType().getTypePtr()); 6551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 65618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TemplateSpecialization: 6571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(getCanonicalType(T) != T && 65818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor "Cannot request the size of a dependent type"); 65918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // FIXME: this is likely to be wrong once we support template 66018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // aliases, since a template alias could refer to a typedef that 66118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // has an __aligned__ attribute on it. 66218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(getCanonicalType(T)); 66318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor } 6641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 665464175bba1318bef7905122e9fda20cff926df78Chris Lattner assert(Align && (Align & (Align-1)) == 0 && "Alignment must be power of 2"); 6669e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner return std::make_pair(Width, Align); 667a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner} 668a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 669bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// getTypeSizeInChars - Return the size of the specified type, in characters. 670bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// This method does not work on incomplete types. 671bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen DyckCharUnits ASTContext::getTypeSizeInChars(QualType T) { 672199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return CharUnits::fromQuantity(getTypeSize(T) / getCharWidth()); 673bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 674bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen DyckCharUnits ASTContext::getTypeSizeInChars(const Type *T) { 675199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return CharUnits::fromQuantity(getTypeSize(T) / getCharWidth()); 676bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 677bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck 67816e20cce43385001f33f8e3f90ee345609c805d1Ken Dyck/// getTypeAlignInChars - Return the ABI-specified alignment of a type, in 67986fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck/// characters. This method does not work on incomplete types. 68086fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken DyckCharUnits ASTContext::getTypeAlignInChars(QualType T) { 68186fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck return CharUnits::fromQuantity(getTypeAlign(T) / getCharWidth()); 68286fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 68386fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken DyckCharUnits ASTContext::getTypeAlignInChars(const Type *T) { 68486fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck return CharUnits::fromQuantity(getTypeAlign(T) / getCharWidth()); 68586fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 68686fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck 68734ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// getPreferredTypeAlign - Return the "preferred" alignment of the specified 68834ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// type for the current target in bits. This can be different than the ABI 68934ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// alignment in cases where it is beneficial for performance to overalign 69034ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// a data type. 69134ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattnerunsigned ASTContext::getPreferredTypeAlign(const Type *T) { 69234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned ABIAlign = getTypeAlign(T); 6931eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 6941eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman // Double and long long should be naturally aligned if possible. 695183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType* CT = T->getAs<ComplexType>()) 6961eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T = CT->getElementType().getTypePtr(); 6971eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::Double) || 6981eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T->isSpecificBuiltinType(BuiltinType::LongLong)) 6991eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman return std::max(ABIAlign, (unsigned)getTypeSize(T)); 7001eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 70134ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner return ABIAlign; 70234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner} 70334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner 704a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbarstatic void CollectLocalObjCIvars(ASTContext *Ctx, 705a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar const ObjCInterfaceDecl *OI, 706a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar llvm::SmallVectorImpl<FieldDecl*> &Fields) { 707a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator I = OI->ivar_begin(), 708a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian E = OI->ivar_end(); I != E; ++I) { 709f1690858344968358131f8d5690d9ee458883000Chris Lattner ObjCIvarDecl *IVDecl = *I; 710a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian if (!IVDecl->isInvalidDecl()) 711a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian Fields.push_back(cast<FieldDecl>(IVDecl)); 712a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian } 713a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian} 714a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian 715a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbarvoid ASTContext::CollectObjCIvars(const ObjCInterfaceDecl *OI, 716a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar llvm::SmallVectorImpl<FieldDecl*> &Fields) { 717a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar if (const ObjCInterfaceDecl *SuperClass = OI->getSuperClass()) 718a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar CollectObjCIvars(SuperClass, Fields); 719a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar CollectLocalObjCIvars(this, OI, Fields); 720a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar} 721a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar 7228e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// ShallowCollectObjCIvars - 7238e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// Collect all ivars, including those synthesized, in the current class. 7248e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// 7258e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanianvoid ASTContext::ShallowCollectObjCIvars(const ObjCInterfaceDecl *OI, 72611062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) { 7278e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator I = OI->ivar_begin(), 7288e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian E = OI->ivar_end(); I != E; ++I) { 7298e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian Ivars.push_back(*I); 7308e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian } 73111062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian 73211062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian CollectNonClassIvars(OI, Ivars); 7338e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 7348e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 73511062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian/// CollectNonClassIvars - 73611062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian/// This routine collects all other ivars which are not declared in the class. 7377d2aa11c5c3b85a9d727ff868de666ba3bff5b59Ted Kremenek/// This includes synthesized ivars (via @synthesize) and those in 7387d2aa11c5c3b85a9d727ff868de666ba3bff5b59Ted Kremenek// class's @implementation. 7399820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian/// 74011062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanianvoid ASTContext::CollectNonClassIvars(const ObjCInterfaceDecl *OI, 7419820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) { 7420e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian // Find ivars declared in class extension. 7430e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian if (const ObjCCategoryDecl *CDecl = OI->getClassExtension()) { 7440e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian for (ObjCCategoryDecl::ivar_iterator I = CDecl->ivar_begin(), 7450e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian E = CDecl->ivar_end(); I != E; ++I) { 7460e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian Ivars.push_back(*I); 7470e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian } 7480e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian } 74911062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian 7507d2aa11c5c3b85a9d727ff868de666ba3bff5b59Ted Kremenek // Also add any ivar defined in this class's implementation. This 7517d2aa11c5c3b85a9d727ff868de666ba3bff5b59Ted Kremenek // includes synthesized ivars. 75211062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian if (ObjCImplementationDecl *ImplDecl = OI->getImplementation()) { 75311062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian for (ObjCImplementationDecl::ivar_iterator I = ImplDecl->ivar_begin(), 75411062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian E = ImplDecl->ivar_end(); I != E; ++I) 75511062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian Ivars.push_back(*I); 75611062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian } 7579820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian} 7589820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian 759e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// CollectInheritedProtocols - Collect all protocols in current class and 760e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// those inherited by it. 761e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid ASTContext::CollectInheritedProtocols(const Decl *CDecl, 762432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl*, 8> &Protocols) { 763e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (const ObjCInterfaceDecl *OI = dyn_cast<ObjCInterfaceDecl>(CDecl)) { 764e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCInterfaceDecl::protocol_iterator P = OI->protocol_begin(), 765e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OI->protocol_end(); P != PE; ++P) { 766e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 767432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 768e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 769b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) { 770b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian Protocols.insert(*P); 771e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 772e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 773b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian } 774e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 775e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian // Categories of this Interface. 776e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (const ObjCCategoryDecl *CDeclChain = OI->getCategoryList(); 777e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CDeclChain; CDeclChain = CDeclChain->getNextClassCategory()) 778e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(CDeclChain, Protocols); 779e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (ObjCInterfaceDecl *SD = OI->getSuperClass()) 780e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian while (SD) { 781e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(SD, Protocols); 782e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian SD = SD->getSuperClass(); 783e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 784b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCCategoryDecl *OC = dyn_cast<ObjCCategoryDecl>(CDecl)) { 785e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCInterfaceDecl::protocol_iterator P = OC->protocol_begin(), 786e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OC->protocol_end(); P != PE; ++P) { 787e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 788432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 789e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 790e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 791e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 792e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 793b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCProtocolDecl *OP = dyn_cast<ObjCProtocolDecl>(CDecl)) { 794e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = OP->protocol_begin(), 795e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OP->protocol_end(); P != PE; ++P) { 796e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 797432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 798e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 799e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 800e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 801e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 802e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 803e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 804e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 8053bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanianunsigned ASTContext::CountNonClassIvars(const ObjCInterfaceDecl *OI) { 8063bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian unsigned count = 0; 8073bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivars declared in class extension. 808b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer if (const ObjCCategoryDecl *CDecl = OI->getClassExtension()) 809b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += CDecl->ivar_size(); 810b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 8113bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivar defined in this class's implementation. This 8123bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // includes synthesized ivars. 8133bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian if (ObjCImplementationDecl *ImplDecl = OI->getImplementation()) 814b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += ImplDecl->ivar_size(); 815b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 8168e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian return count; 8178e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 8188e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 8198a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCInterfaceDecl,or NULL if none exists. 8208a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCImplementationDecl *ASTContext::getObjCImplementation(ObjCInterfaceDecl *D) { 8218a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 8228a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 8238a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 8248a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCImplementationDecl>(I->second); 8258a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 8268a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 8278a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCCategoryDecl, or NULL if none exists. 8288a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCCategoryImplDecl *ASTContext::getObjCImplementation(ObjCCategoryDecl *D) { 8298a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 8308a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 8318a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 8328a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCCategoryImplDecl>(I->second); 8338a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 8348a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 8358a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 8368a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCInterfaceDecl. 8378a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCInterfaceDecl *IFaceD, 8388a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImplementationDecl *ImplD) { 8398a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(IFaceD && ImplD && "Passed null params"); 8408a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[IFaceD] = ImplD; 8418a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 8428a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCCategoryDecl. 8438a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCCategoryDecl *CatD, 8448a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCCategoryImplDecl *ImplD) { 8458a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(CatD && ImplD && "Passed null params"); 8468a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[CatD] = ImplD; 8478a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 8488a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 849a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// \brief Allocate an uninitialized TypeSourceInfo. 850b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 851a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// The caller should initialize the memory held by TypeSourceInfo using 852b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// the TypeLoc wrappers. 853b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 854b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// \param T the type that will be the basis for type source info. This type 855b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// should refer to how the declarator was written in source code, not to 856b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// what type semantic analysis resolved the declarator to. 857a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::CreateTypeSourceInfo(QualType T, 858109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall unsigned DataSize) { 859109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall if (!DataSize) 860109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall DataSize = TypeLoc::getFullDataSizeForType(T); 861109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall else 862109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall assert(DataSize == TypeLoc::getFullDataSizeForType(T) && 863a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall "incorrect data size provided to CreateTypeSourceInfo!"); 864109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall 865a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *TInfo = 866a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall (TypeSourceInfo*)BumpAlloc.Allocate(sizeof(TypeSourceInfo) + DataSize, 8); 867a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall new (TInfo) TypeSourceInfo(T); 868a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall return TInfo; 869b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis} 870b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis 871a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::getTrivialTypeSourceInfo(QualType T, 872a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall SourceLocation L) { 873a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(T); 874a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall DI->getTypeLoc().initialize(L); 875a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall return DI; 876a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall} 877a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall 878b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar/// getInterfaceLayoutImpl - Get or compute information about the 879b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar/// layout of the given interface. 880b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar/// 881b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar/// \param Impl - If given, also include the layout of the interface's 882b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar/// implementation. This may differ by including synthesized ivars. 88344a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patelconst ASTRecordLayout & 884b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel DunbarASTContext::getObjCLayout(const ObjCInterfaceDecl *D, 885b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar const ObjCImplementationDecl *Impl) { 886532d4daa038d972240138e2fd6e1122517340833Daniel Dunbar assert(!D->isForwardDecl() && "Invalid interface decl!"); 887532d4daa038d972240138e2fd6e1122517340833Daniel Dunbar 88844a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel // Look up this layout, if already laid out, return what we have. 8891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ObjCContainerDecl *Key = 890d8fd6ff0ea47ba63f836d0f4e6a1bee49863f64aDaniel Dunbar Impl ? (ObjCContainerDecl*) Impl : (ObjCContainerDecl*) D; 891d8fd6ff0ea47ba63f836d0f4e6a1bee49863f64aDaniel Dunbar if (const ASTRecordLayout *Entry = ObjCLayouts[Key]) 892d8fd6ff0ea47ba63f836d0f4e6a1bee49863f64aDaniel Dunbar return *Entry; 89344a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel 894453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar // Add in synthesized ivar count if laying out an implementation. 895453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar if (Impl) { 8963bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian unsigned SynthCount = CountNonClassIvars(D); 897d8fd6ff0ea47ba63f836d0f4e6a1bee49863f64aDaniel Dunbar // If there aren't any sythesized ivars then reuse the interface 898453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar // entry. Note we can't cache this because we simply free all 899453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar // entries later; however we shouldn't look up implementations 900453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar // frequently. 9018e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian if (SynthCount == 0) 902453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar return getObjCLayout(D, 0); 903453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar } 904453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar 9051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ASTRecordLayout *NewEntry = 90629445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson ASTRecordLayoutBuilder::ComputeLayout(*this, D, Impl); 90729445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson ObjCLayouts[Key] = NewEntry; 9081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 90944a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel return *NewEntry; 91044a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel} 91144a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel 912b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 913b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel DunbarASTContext::getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D) { 914b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D, 0); 915b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 916b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 917b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 918b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel DunbarASTContext::getASTObjCImplementationLayout(const ObjCImplementationDecl *D) { 919b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D->getClassInterface(), D); 920b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 921b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 92288a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel/// getASTRecordLayout - Get or compute information about the layout of the 923464175bba1318bef7905122e9fda20cff926df78Chris Lattner/// specified record (struct/union/class), which indicates its size and field 924464175bba1318bef7905122e9fda20cff926df78Chris Lattner/// position information. 92598be4943e8dc4f3905629a7102668960873cf863Chris Lattnerconst ASTRecordLayout &ASTContext::getASTRecordLayout(const RecordDecl *D) { 926952b017601f9c82b51119c3a1600f1312a833db9Douglas Gregor D = D->getDefinition(); 9274b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek assert(D && "Cannot get layout of forward declarations!"); 9284bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman 929464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Look up this layout, if already laid out, return what we have. 930ab22c43320ae813e4f6214f48968216b7cb09b90Eli Friedman // Note that we can't save a reference to the entry because this function 931ab22c43320ae813e4f6214f48968216b7cb09b90Eli Friedman // is recursive. 932ab22c43320ae813e4f6214f48968216b7cb09b90Eli Friedman const ASTRecordLayout *Entry = ASTRecordLayouts[D]; 933464175bba1318bef7905122e9fda20cff926df78Chris Lattner if (Entry) return *Entry; 9344bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman 9351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ASTRecordLayout *NewEntry = 93629445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson ASTRecordLayoutBuilder::ComputeLayout(*this, D); 937ab22c43320ae813e4f6214f48968216b7cb09b90Eli Friedman ASTRecordLayouts[D] = NewEntry; 9381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9398d8ab749f6f8bb63ea2cd2b589c0f050b67fc5ccDaniel Dunbar if (getLangOptions().DumpRecordLayouts) { 9408d8ab749f6f8bb63ea2cd2b589c0f050b67fc5ccDaniel Dunbar llvm::errs() << "\n*** Dumping AST Record Layout\n"; 9418d8ab749f6f8bb63ea2cd2b589c0f050b67fc5ccDaniel Dunbar DumpRecordLayout(D, llvm::errs()); 9428d8ab749f6f8bb63ea2cd2b589c0f050b67fc5ccDaniel Dunbar } 9438d8ab749f6f8bb63ea2cd2b589c0f050b67fc5ccDaniel Dunbar 9445d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner return *NewEntry; 945464175bba1318bef7905122e9fda20cff926df78Chris Lattner} 946464175bba1318bef7905122e9fda20cff926df78Chris Lattner 947f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlssonconst CXXMethodDecl *ASTContext::getKeyFunction(const CXXRecordDecl *RD) { 948952b017601f9c82b51119c3a1600f1312a833db9Douglas Gregor RD = cast<CXXRecordDecl>(RD->getDefinition()); 949f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson assert(RD && "Cannot get key function for forward declarations!"); 950f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson 951f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson const CXXMethodDecl *&Entry = KeyFunctions[RD]; 952f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson if (!Entry) 953f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson Entry = ASTRecordLayoutBuilder::ComputeKeyFunction(RD); 954f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson else 955f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson assert(Entry == ASTRecordLayoutBuilder::ComputeKeyFunction(RD) && 956f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson "Key function changed!"); 957f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson 958f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson return Entry; 959f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson} 960f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson 961a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 962a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner// Type creation/memoization methods 963a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 964a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 9650953e767ff7817f97b3ab20896b229891eeff45bJohn McCallQualType ASTContext::getExtQualType(const Type *TypeNode, Qualifiers Quals) { 9660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned Fast = Quals.getFastQualifiers(); 9670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.removeFastQualifiers(); 9680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 9690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Check if we've already instantiated this type. 9700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::FoldingSetNodeID ID; 9710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ExtQuals::Profile(ID, TypeNode, Quals); 9720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void *InsertPos = 0; 9730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (ExtQuals *EQ = ExtQualNodes.FindNodeOrInsertPos(ID, InsertPos)) { 9740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(EQ->getQualifiers() == Quals); 9750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = QualType(EQ, Fast); 9760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 9770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 9780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 9796b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtQuals *New = new (*this, TypeAlignment) ExtQuals(*this, TypeNode, Quals); 9800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ExtQualNodes.InsertNode(New, InsertPos); 9810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = QualType(New, Fast); 9820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 9830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 9840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 9850953e767ff7817f97b3ab20896b229891eeff45bJohn McCallQualType ASTContext::getVolatileType(QualType T) { 9860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType CanT = getCanonicalType(T); 9870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (CanT.isVolatileQualified()) return T; 9880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 9890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 9900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 9910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addVolatile(); 9920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 9930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 9940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 9950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 996f11284ac87daa613bc7b30db9f54bd716d123222Fariborz JahanianQualType ASTContext::getAddrSpaceQualType(QualType T, unsigned AddressSpace) { 997f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType CanT = getCanonicalType(T); 998f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner if (CanT.getAddressSpace() == AddressSpace) 999f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner return T; 1000b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner 10010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 10020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 10030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 10040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 10051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an address space specified, it cannot get 10070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 10080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasAddressSpace() && 10090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot be in multiple addr spaces!"); 10100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addAddressSpace(AddressSpace); 10111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1013ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 1014ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 1015b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris LattnerQualType ASTContext::getObjCGCQualType(QualType T, 10160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GCAttr) { 1017d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType CanT = getCanonicalType(T); 1018b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner if (CanT.getObjCGCAttr() == GCAttr) 1019d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian return T; 10201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10214027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian if (T->isPointerType()) { 10226217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType Pointee = T->getAs<PointerType>()->getPointeeType(); 102358f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff if (Pointee->isAnyPointerType()) { 10244027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian QualType ResultType = getObjCGCQualType(Pointee, GCAttr); 10254027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian return getPointerType(ResultType); 10264027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 10274027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 10281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 10300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 10310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 10320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 10331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an ObjCGC specified, it cannot get 10350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 10360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasObjCGCAttr() && 10370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot have multiple ObjCGCs!"); 10380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addObjCGCAttr(GCAttr); 10391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1041d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 1042a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 1043264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindolastatic QualType getExtFunctionType(ASTContext& Context, QualType T, 1044264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const FunctionType::ExtInfo &Info) { 10450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType ResultType; 104643c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (const PointerType *Pointer = T->getAs<PointerType>()) { 104743c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor QualType Pointee = Pointer->getPointeeType(); 1048264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ResultType = getExtFunctionType(Context, Pointee, Info); 104943c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (ResultType == Pointee) 105043c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1051ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1052ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor ResultType = Context.getPointerType(ResultType); 105343c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor } else if (const BlockPointerType *BlockPointer 105443c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor = T->getAs<BlockPointerType>()) { 105543c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor QualType Pointee = BlockPointer->getPointeeType(); 1056264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ResultType = getExtFunctionType(Context, Pointee, Info); 105743c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (ResultType == Pointee) 105843c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1059ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1060ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor ResultType = Context.getBlockPointerType(ResultType); 1061ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor } else if (const FunctionType *F = T->getAs<FunctionType>()) { 1062264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola if (F->getExtInfo() == Info) 106343c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1064ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 106543c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (const FunctionNoProtoType *FNPT = dyn_cast<FunctionNoProtoType>(F)) { 1066ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor ResultType = Context.getFunctionNoProtoType(FNPT->getResultType(), 1067264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info); 10680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } else { 106943c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor const FunctionProtoType *FPT = cast<FunctionProtoType>(F); 10700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ResultType 1071ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor = Context.getFunctionType(FPT->getResultType(), FPT->arg_type_begin(), 1072ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->getNumArgs(), FPT->isVariadic(), 1073ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->getTypeQuals(), 1074ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->hasExceptionSpec(), 1075ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->hasAnyExceptionSpec(), 1076ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->getNumExceptions(), 1077ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->exception_begin(), 1078264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info); 10790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 108043c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor } else 108143c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1082ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1083ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor return Context.getQualifiedType(ResultType, T.getLocalQualifiers()); 1084ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor} 1085ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1086ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas GregorQualType ASTContext::getNoReturnType(QualType T, bool AddNoReturn) { 1087425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo Info = getFunctionExtInfo(T); 1088264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getExtFunctionType(*this, T, 1089264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withNoReturn(AddNoReturn)); 1090ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor} 1091ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1092ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas GregorQualType ASTContext::getCallConvType(QualType T, CallingConv CallConv) { 1093425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo Info = getFunctionExtInfo(T); 1094264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getExtFunctionType(*this, T, 1095264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(CallConv)); 10962455636163fdd18581d7fdae816433f886d88213Mike Stump} 10972455636163fdd18581d7fdae816433f886d88213Mike Stump 1098425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael EspindolaQualType ASTContext::getRegParmType(QualType T, unsigned RegParm) { 1099425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo Info = getFunctionExtInfo(T); 1100425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola return getExtFunctionType(*this, T, 1101425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola Info.withRegParm(RegParm)); 1102425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola} 1103425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola 11045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getComplexType - Return the uniqued reference to the type for a complex 11055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// number with the specified element type. 11065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerQualType ASTContext::getComplexType(QualType T) { 11075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 11085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 11095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 11105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType::Profile(ID, T); 11111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 11135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ComplexType *CT = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos)) 11145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(CT, 0); 11151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 11175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 11185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1119467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1120f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getComplexType(getCanonicalType(T)); 11211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 11235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType *NewIP = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos); 1124f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 11255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11266b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ComplexType *New = new (*this, TypeAlignment) ComplexType(T, Canonical); 11275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 11285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexTypes.InsertNode(New, InsertPos); 11295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 11305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 11315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getPointerType - Return the uniqued reference to the type for a pointer to 11335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the specified type. 11345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerQualType ASTContext::getPointerType(QualType T) { 11355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 11365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 11375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 11385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType::Profile(ID, T); 11391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 11415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (PointerType *PT = PointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 11425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(PT, 0); 11431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 11455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 11465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1147467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1148f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getPointerType(getCanonicalType(T)); 11491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 11515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType *NewIP = PointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1152f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 11535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11546b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall PointerType *New = new (*this, TypeAlignment) PointerType(T, Canonical); 11555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 11565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerTypes.InsertNode(New, InsertPos); 11575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 11585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 11595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getBlockPointerType - Return the uniqued reference to the type for 11615618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// a pointer to the specified block. 11625618bd4a52c45fbbb605e3ba885663b2164db8a3Steve NaroffQualType ASTContext::getBlockPointerType(QualType T) { 1163296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff assert(T->isFunctionType() && "block of function types only"); 1164296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff // Unique pointers, to guarantee there is only one block of a particular 11655618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // structure. 11665618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSetNodeID ID; 11675618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType::Profile(ID, T); 11681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11695618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void *InsertPos = 0; 11705618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff if (BlockPointerType *PT = 11715618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 11725618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(PT, 0); 11731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the block pointee type isn't canonical, this won't be a canonical 11755618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // type either so fill in the canonical type field. 11765618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType Canonical; 1177467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 11785618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Canonical = getBlockPointerType(getCanonicalType(T)); 11791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11805618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the new insert position for the node we care about. 11815618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType *NewIP = 11825618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1183f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 11845618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 11856b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BlockPointerType *New 11866b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) BlockPointerType(T, Canonical); 11875618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Types.push_back(New); 11885618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.InsertNode(New, InsertPos); 11895618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(New, 0); 11905618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 11915618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 11927c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getLValueReferenceType - Return the uniqued reference to the type for an 11937c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// lvalue reference to the specified type. 119454e14c4db764c0636160d26c5bbf491637c83a76John McCallQualType ASTContext::getLValueReferenceType(QualType T, bool SpelledAsLValue) { 11955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 11965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 11975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 119854e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, SpelledAsLValue); 11995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 12017c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (LValueReferenceType *RT = 12027c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 12035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(RT, 0); 12047c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 120554e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 120654e14c4db764c0636160d26c5bbf491637c83a76John McCall 12075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the referencee type isn't canonical, this won't be a canonical type 12085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // either, so fill in the canonical type field. 12095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 121054e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!SpelledAsLValue || InnerRef || !T.isCanonical()) { 121154e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 121254e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getLValueReferenceType(getCanonicalType(PointeeType)); 12137c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12147c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Get the new insert position for the node we care about. 12157c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceType *NewIP = 12167c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 12177c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 12187c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 12197c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12206b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall LValueReferenceType *New 122154e14c4db764c0636160d26c5bbf491637c83a76John McCall = new (*this, TypeAlignment) LValueReferenceType(T, Canonical, 122254e14c4db764c0636160d26c5bbf491637c83a76John McCall SpelledAsLValue); 12237c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl Types.push_back(New); 12247c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.InsertNode(New, InsertPos); 122554e14c4db764c0636160d26c5bbf491637c83a76John McCall 12267c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(New, 0); 12277c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 12287c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12297c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getRValueReferenceType - Return the uniqued reference to the type for an 12307c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// rvalue reference to the specified type. 12317c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian RedlQualType ASTContext::getRValueReferenceType(QualType T) { 12327c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 12337c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // structure. 12347c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSetNodeID ID; 123554e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, false); 12367c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12377c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl void *InsertPos = 0; 12387c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (RValueReferenceType *RT = 12397c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 12407c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(RT, 0); 12417c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 124254e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 124354e14c4db764c0636160d26c5bbf491637c83a76John McCall 12447c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // If the referencee type isn't canonical, this won't be a canonical type 12457c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // either, so fill in the canonical type field. 12467c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType Canonical; 124754e14c4db764c0636160d26c5bbf491637c83a76John McCall if (InnerRef || !T.isCanonical()) { 124854e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 124954e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getRValueReferenceType(getCanonicalType(PointeeType)); 12507c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 12527c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType *NewIP = 12537c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1254f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 12555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12576b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall RValueReferenceType *New 12586b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) RValueReferenceType(T, Canonical); 12595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 12607c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.InsertNode(New, InsertPos); 12615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 12625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 12635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1264f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// getMemberPointerType - Return the uniqued reference to the type for a 1265f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// member pointer to the specified type, in the specified class. 12661eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getMemberPointerType(QualType T, const Type *Cls) { 1267f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 1268f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // structure. 1269f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl llvm::FoldingSetNodeID ID; 1270f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType::Profile(ID, T, Cls); 1271f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1272f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void *InsertPos = 0; 1273f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (MemberPointerType *PT = 1274f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 1275f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(PT, 0); 1276f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1277f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // If the pointee or class type isn't canonical, this won't be a canonical 1278f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // type either, so fill in the canonical type field. 1279f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType Canonical; 128087c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor if (!T.isCanonical() || !Cls->isCanonicalUnqualified()) { 1281f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Canonical = getMemberPointerType(getCanonicalType(T),getCanonicalType(Cls)); 1282f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1283f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Get the new insert position for the node we care about. 1284f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType *NewIP = 1285f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1286f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 1287f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 12886b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall MemberPointerType *New 12896b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) MemberPointerType(T, Cls, Canonical); 1290f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Types.push_back(New); 1291f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.InsertNode(New, InsertPos); 1292f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(New, 0); 1293f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 1294f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 12951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getConstantArrayType - Return the unique reference to the type for an 1296fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff/// array of the specified element type. 12971eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getConstantArrayType(QualType EltTy, 129838aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner const llvm::APInt &ArySizeIn, 1299c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 1300c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals) { 1301923d56d436f750bc1f29db50e641078725558a1bSebastian Redl assert((EltTy->isDependentType() || 1302923d56d436f750bc1f29db50e641078725558a1bSebastian Redl EltTy->isIncompleteType() || EltTy->isConstantSizeType()) && 1303587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman "Constant array of VLAs is illegal!"); 1304587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman 130538aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // Convert the array size into a canonical width matching the pointer size for 130638aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // the target. 130738aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner llvm::APInt ArySize(ArySizeIn); 130838aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner ArySize.zextOrTrunc(Target.getPointerWidth(EltTy.getAddressSpace())); 13091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 13110be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ConstantArrayType::Profile(ID, EltTy, ArySize, ASM, EltTypeQuals); 13121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 13141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ConstantArrayType *ATP = 13157192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 13165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(ATP, 0); 13171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 13195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 13205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1321467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!EltTy.isCanonical()) { 13221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Canonical = getConstantArrayType(getCanonicalType(EltTy), ArySize, 1323c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ASM, EltTypeQuals); 13245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 13251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstantArrayType *NewIP = 13267192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1327f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 13285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13306b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType *New = new(*this,TypeAlignment) 13316b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType(EltTy, Canonical, ArySize, ASM, EltTypeQuals); 13327192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.InsertNode(New, InsertPos); 13335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 13345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 13355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 13365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1337bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// getVariableArrayType - Returns a non-unique reference to the type for a 1338bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// variable array of the specified element type. 13397e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getVariableArrayType(QualType EltTy, 13407e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1341c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 13427e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 13437e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets) { 1344c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Since we don't unique expressions, it isn't possible to unique VLA's 1345c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // that have an expression provided for their size. 1346c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 13476b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VariableArrayType *New = new(*this, TypeAlignment) 13486b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VariableArrayType(EltTy, QualType(), NumElts, ASM, EltTypeQuals, Brackets); 1349c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1350c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman VariableArrayTypes.push_back(New); 1351c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1352c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1353c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman} 1354c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1355898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// getDependentSizedArrayType - Returns a non-unique reference to 1356898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// the type for a dependently-sized array of the specified element 135704d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor/// type. 13587e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getDependentSizedArrayType(QualType EltTy, 13597e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1360898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ArrayType::ArraySizeModifier ASM, 13617e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 13627e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets) { 1363cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor assert((!NumElts || NumElts->isTypeDependent() || 1364cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor NumElts->isValueDependent()) && 1365898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor "Size must be type- or value-dependent!"); 1366898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 136704d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor void *InsertPos = 0; 1368cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor DependentSizedArrayType *Canon = 0; 1369789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor llvm::FoldingSetNodeID ID; 1370cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 1371cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor if (NumElts) { 1372cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // Dependently-sized array types that do not have a specified 1373cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // number of elements will have their sizes deduced from an 1374cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // initializer. 1375cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor DependentSizedArrayType::Profile(ID, *this, getCanonicalType(EltTy), ASM, 1376cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor EltTypeQuals, NumElts); 1377cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 1378cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor Canon = DependentSizedArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1379cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor } 1380cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 138104d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor DependentSizedArrayType *New; 138204d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor if (Canon) { 138304d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor // We already have a canonical version of this array type; use it as 138404d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor // the canonical type for a newly-built type. 13856b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 13866b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedArrayType(*this, EltTy, QualType(Canon, 0), 13876b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumElts, ASM, EltTypeQuals, Brackets); 138804d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } else { 138904d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor QualType CanonEltTy = getCanonicalType(EltTy); 139004d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor if (CanonEltTy == EltTy) { 13916b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 13926b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedArrayType(*this, EltTy, QualType(), 13936b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumElts, ASM, EltTypeQuals, Brackets); 1394cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 1395789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (NumElts) { 1396789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentSizedArrayType *CanonCheck 1397789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentSizedArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1398789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CanonCheck && "Dependent-sized canonical array type broken"); 1399789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CanonCheck; 1400cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor DependentSizedArrayTypes.InsertNode(New, InsertPos); 1401789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 140204d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } else { 140304d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor QualType Canon = getDependentSizedArrayType(CanonEltTy, NumElts, 140404d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor ASM, EltTypeQuals, 140504d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor SourceRange()); 14066b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 14076b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedArrayType(*this, EltTy, Canon, 14086b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumElts, ASM, EltTypeQuals, Brackets); 140904d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } 141004d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } 14111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1412898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Types.push_back(New); 1413898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return QualType(New, 0); 1414898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor} 1415898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1416c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli FriedmanQualType ASTContext::getIncompleteArrayType(QualType EltTy, 1417c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 1418c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman unsigned EltTypeQuals) { 1419c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSetNodeID ID; 14200be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner IncompleteArrayType::Profile(ID, EltTy, ASM, EltTypeQuals); 1421c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1422c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman void *InsertPos = 0; 14231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (IncompleteArrayType *ATP = 1424c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 1425c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(ATP, 0); 1426c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1427c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // If the element type isn't canonical, this won't be a canonical type 1428c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // either, so fill in the canonical type field. 1429c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman QualType Canonical; 1430c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1431467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!EltTy.isCanonical()) { 1432f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getIncompleteArrayType(getCanonicalType(EltTy), 14332bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek ASM, EltTypeQuals); 1434c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1435c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Get the new insert position for the node we care about. 1436c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayType *NewIP = 1437c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1438f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 14392bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 1440c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 14416b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall IncompleteArrayType *New = new (*this, TypeAlignment) 14426b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall IncompleteArrayType(EltTy, Canonical, ASM, EltTypeQuals); 1443c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1444c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.InsertNode(New, InsertPos); 1445c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1446c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1447fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff} 1448fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 144973322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// getVectorType - Return the unique reference to a vector type of 145073322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 145182287d19ded35248c4ce6a425ce74116a13ce44eJohn ThompsonQualType ASTContext::getVectorType(QualType vecType, unsigned NumElts, 145282287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson bool IsAltiVec, bool IsPixel) { 14535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer BuiltinType *baseType; 14541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1455f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner baseType = dyn_cast<BuiltinType>(getCanonicalType(vecType).getTypePtr()); 145673322924127c873c13101b705dd823f5539ffa5fSteve Naroff assert(baseType != 0 && "getVectorType(): Expecting a built-in type"); 14571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Check if we've already instantiated a vector of this type. 14595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 146082287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VectorType::Profile(ID, vecType, NumElts, Type::Vector, 146182287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson IsAltiVec, IsPixel); 14625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 14635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 14645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(VTP, 0); 14655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 14675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 14685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 146982287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson if (!vecType.isCanonical() || IsAltiVec || IsPixel) { 147082287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson Canonical = getVectorType(getCanonicalType(vecType), 147182287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson NumElts, false, false); 14721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 14745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1475f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 14765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14776b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VectorType *New = new (*this, TypeAlignment) 147882287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VectorType(vecType, NumElts, Canonical, IsAltiVec, IsPixel); 14795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorTypes.InsertNode(New, InsertPos); 14805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 14815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 14825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 14835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1484213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// getExtVectorType - Return the unique reference to an extended vector type of 148573322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 1486213541a68a3e137d11d2cefb612c6cdb410d7e8eNate BegemanQualType ASTContext::getExtVectorType(QualType vecType, unsigned NumElts) { 148773322924127c873c13101b705dd823f5539ffa5fSteve Naroff BuiltinType *baseType; 14881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1489f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner baseType = dyn_cast<BuiltinType>(getCanonicalType(vecType).getTypePtr()); 1490213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman assert(baseType != 0 && "getExtVectorType(): Expecting a built-in type"); 14911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 149273322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Check if we've already instantiated a vector of this type. 149373322924127c873c13101b705dd823f5539ffa5fSteve Naroff llvm::FoldingSetNodeID ID; 149482287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VectorType::Profile(ID, vecType, NumElts, Type::ExtVector, false, false); 149573322924127c873c13101b705dd823f5539ffa5fSteve Naroff void *InsertPos = 0; 149673322924127c873c13101b705dd823f5539ffa5fSteve Naroff if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 149773322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(VTP, 0); 149873322924127c873c13101b705dd823f5539ffa5fSteve Naroff 149973322924127c873c13101b705dd823f5539ffa5fSteve Naroff // If the element type isn't canonical, this won't be a canonical type either, 150073322924127c873c13101b705dd823f5539ffa5fSteve Naroff // so fill in the canonical type field. 150173322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType Canonical; 1502467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!vecType.isCanonical()) { 1503213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman Canonical = getExtVectorType(getCanonicalType(vecType), NumElts); 15041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 150573322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Get the new insert position for the node we care about. 150673322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1507f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 150873322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 15096b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType *New = new (*this, TypeAlignment) 15106b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType(vecType, NumElts, Canonical); 151173322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorTypes.InsertNode(New, InsertPos); 151273322924127c873c13101b705dd823f5539ffa5fSteve Naroff Types.push_back(New); 151373322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(New, 0); 151473322924127c873c13101b705dd823f5539ffa5fSteve Naroff} 151573322924127c873c13101b705dd823f5539ffa5fSteve Naroff 15161eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getDependentSizedExtVectorType(QualType vecType, 15179cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Expr *SizeExpr, 15189cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation AttrLoc) { 15192ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor llvm::FoldingSetNodeID ID; 15201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedExtVectorType::Profile(ID, *this, getCanonicalType(vecType), 15212ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SizeExpr); 15221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15232ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void *InsertPos = 0; 15242ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *Canon 15252ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 15262ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *New; 15272ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (Canon) { 15282ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // We already have a canonical version of this array type; use it as 15292ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // the canonical type for a newly-built type. 15306b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 15316b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(Canon, 0), 15326b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall SizeExpr, AttrLoc); 15332ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 15342ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType CanonVecTy = getCanonicalType(vecType); 15352ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (CanonVecTy == vecType) { 15366b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 15376b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(), SizeExpr, 15386b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall AttrLoc); 1539789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1540789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentSizedExtVectorType *CanonCheck 1541789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1542789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CanonCheck && "Dependent-sized ext_vector canonical type broken"); 1543789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CanonCheck; 15442ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorTypes.InsertNode(New, InsertPos); 15452ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 15462ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType Canon = getDependentSizedExtVectorType(CanonVecTy, SizeExpr, 15472ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SourceLocation()); 15486b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 15496b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, Canon, SizeExpr, AttrLoc); 15502ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 15512ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 15521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15539cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Types.push_back(New); 15549cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor return QualType(New, 0); 15559cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor} 15569cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 155772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. 15585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 1559264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael EspindolaQualType ASTContext::getFunctionNoProtoType(QualType ResultTy, 1560264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const FunctionType::ExtInfo &Info) { 1561264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const CallingConv CallConv = Info.getCC(); 15625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 15635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 15645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1565264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionNoProtoType::Profile(ID, ResultTy, Info); 15661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 15681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionNoProtoType *FT = 156972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 15705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FT, 0); 15711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1573ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor if (!ResultTy.isCanonical() || 157404a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall getCanonicalCallConv(CallConv) != CallConv) { 1575264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Canonical = 1576264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola getFunctionNoProtoType(getCanonicalType(ResultTy), 1577264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(getCanonicalCallConv(CallConv))); 15781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 158072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoType *NewIP = 158172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1582f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 15835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15856b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall FunctionNoProtoType *New = new (*this, TypeAlignment) 1586264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionNoProtoType(ResultTy, Canonical, Info); 15875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 158872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.InsertNode(New, InsertPos); 15895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 15905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 15915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFunctionType - Return a normal function type with a typed argument 15935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// list. isVariadic indicates whether the argument list includes '...'. 159461710854be2b098428aff5316e64bd34b30fbcb7Chris LattnerQualType ASTContext::getFunctionType(QualType ResultTy,const QualType *ArgArray, 1595971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned NumArgs, bool isVariadic, 1596465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned TypeQuals, bool hasExceptionSpec, 1597465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasAnyExceptionSpec, unsigned NumExs, 1598264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const QualType *ExArray, 1599264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const FunctionType::ExtInfo &Info) { 1600264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const CallingConv CallConv= Info.getCC(); 16015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 16025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 16035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 160472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType::Profile(ID, ResultTy, ArgArray, NumArgs, isVariadic, 1605465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl TypeQuals, hasExceptionSpec, hasAnyExceptionSpec, 1606264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola NumExs, ExArray, Info); 16075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 16091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionProtoType *FTP = 161072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 16115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 1612465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1613465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // Determine whether the type being created is already canonical or not. 161454e14c4db764c0636160d26c5bbf491637c83a76John McCall bool isCanonical = !hasExceptionSpec && ResultTy.isCanonical(); 16155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs && isCanonical; ++i) 161654e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!ArgArray[i].isCanonicalAsParam()) 16175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isCanonical = false; 16185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If this type isn't canonical, get the canonical version of it. 1620465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // The exception spec is not part of the canonical type. 16215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 162204a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (!isCanonical || getCanonicalCallConv(CallConv) != CallConv) { 16235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::SmallVector<QualType, 16> CanonicalArgs; 16245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CanonicalArgs.reserve(NumArgs); 16255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs; ++i) 162654e14c4db764c0636160d26c5bbf491637c83a76John McCall CanonicalArgs.push_back(getCanonicalParamType(ArgArray[i])); 1627465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1628f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getFunctionType(getCanonicalType(ResultTy), 1629beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad CanonicalArgs.data(), NumArgs, 163047259d9ca7840dd66f06f5f11da7768b23d1e0fdDouglas Gregor isVariadic, TypeQuals, false, 1631264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, 0, 0, 1632264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(getCanonicalCallConv(CallConv))); 1633465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 16345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 163572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType *NewIP = 163672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1637f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 16385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1639465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 164072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor // FunctionProtoType objects are allocated with extra bytes after them 1641465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // for two variable size arrays (for parameter and exception types) at the 1642465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // end of them. 16431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FunctionProtoType *FTP = 1644465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl (FunctionProtoType*)Allocate(sizeof(FunctionProtoType) + 1645465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl NumArgs*sizeof(QualType) + 16466b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumExs*sizeof(QualType), TypeAlignment); 164772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor new (FTP) FunctionProtoType(ResultTy, ArgArray, NumArgs, isVariadic, 1648465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl TypeQuals, hasExceptionSpec, hasAnyExceptionSpec, 1649264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExArray, NumExs, Canonical, Info); 16505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(FTP); 165172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.InsertNode(FTP, InsertPos); 16525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 16535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 16545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16553cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#ifndef NDEBUG 16563cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallstatic bool NeedsInjectedClassNameType(const RecordDecl *D) { 16573cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (!isa<CXXRecordDecl>(D)) return false; 16583cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const CXXRecordDecl *RD = cast<CXXRecordDecl>(D); 16593cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (isa<ClassTemplatePartialSpecializationDecl>(RD)) 16603cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 16613cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (RD->getDescribedClassTemplate() && 16623cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall !isa<ClassTemplateSpecializationDecl>(RD)) 16633cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 16643cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return false; 16653cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 16663cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#endif 16673cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 16683cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// getInjectedClassNameType - Return the unique reference to the 16693cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// injected class name type for the specified templated declaration. 16703cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallQualType ASTContext::getInjectedClassNameType(CXXRecordDecl *Decl, 16713cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType TST) { 16723cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(NeedsInjectedClassNameType(Decl)); 16733cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (Decl->TypeForDecl) { 16743cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 16753cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } else if (CXXRecordDecl *PrevDecl 16763cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall = cast_or_null<CXXRecordDecl>(Decl->getPreviousDeclaration())) { 16773cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(PrevDecl->TypeForDecl && "previous declaration has no type"); 16783cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall Decl->TypeForDecl = PrevDecl->TypeForDecl; 16793cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 16803cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } else { 168131f17ecbef57b5679c017c375db330546b7b5145John McCall Decl->TypeForDecl = 168231f17ecbef57b5679c017c375db330546b7b5145John McCall new (*this, TypeAlignment) InjectedClassNameType(Decl, TST); 16833cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall Types.push_back(Decl->TypeForDecl); 16843cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 16853cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return QualType(Decl->TypeForDecl, 0); 16863cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 16873cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 16882ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// getTypeDeclType - Return the unique reference to the type for the 16892ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// specified type declaration. 1690becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCallQualType ASTContext::getTypeDeclTypeSlow(const TypeDecl *Decl) { 16911e6759e9e33dcaa73ce14c8a908ac9f87ac16463Argyrios Kyrtzidis assert(Decl && "Passed null for Decl param"); 1692becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Decl->TypeForDecl && "TypeForDecl present in slow case"); 16931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 169419c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const TypedefDecl *Typedef = dyn_cast<TypedefDecl>(Decl)) 16952ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor return getTypedefType(Typedef); 1696becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 1697becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!isa<TemplateTypeParmDecl>(Decl) && 1698becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "Template type parameter types are always available."); 1699becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 170019c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const RecordDecl *Record = dyn_cast<RecordDecl>(Decl)) { 1701becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Record->getPreviousDeclaration() && 1702becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "struct/union has previous declaration"); 1703becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!NeedsInjectedClassNameType(Record)); 1704becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall Decl->TypeForDecl = new (*this, TypeAlignment) RecordType(Record); 170519c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const EnumDecl *Enum = dyn_cast<EnumDecl>(Decl)) { 1706becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Enum->getPreviousDeclaration() && 1707becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "enum has previous declaration"); 1708becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall Decl->TypeForDecl = new (*this, TypeAlignment) EnumType(Enum); 170919c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const UnresolvedUsingTypenameDecl *Using = 1710ed97649e9574b9d854fa4d6109c9333ae0993554John McCall dyn_cast<UnresolvedUsingTypenameDecl>(Decl)) { 1711ed97649e9574b9d854fa4d6109c9333ae0993554John McCall Decl->TypeForDecl = new (*this, TypeAlignment) UnresolvedUsingType(Using); 17129fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else 1713becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall llvm_unreachable("TypeDecl without a type?"); 171449aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis 1715becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall Types.push_back(Decl->TypeForDecl); 171649aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 17172ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor} 17182ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 17195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTypedefType - Return the unique reference to the type for the 17205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified typename decl. 172119c8576b7328f4dc2d07682f5da552875c1912efJohn McCallQualType ASTContext::getTypedefType(const TypedefDecl *Decl) { 17225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 17231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1724f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType Canonical = getCanonicalType(Decl->getUnderlyingType()); 17256b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Decl->TypeForDecl = new(*this, TypeAlignment) 17266b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypedefType(Type::Typedef, Decl, Canonical); 17275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(Decl->TypeForDecl); 17285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(Decl->TypeForDecl, 0); 17295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 17305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 173149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Retrieve a substitution-result type. 173249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallQualType 173349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallASTContext::getSubstTemplateTypeParmType(const TemplateTypeParmType *Parm, 173449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType Replacement) { 1735467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(Replacement.isCanonical() 173649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall && "replacement types must always be canonical"); 173749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 173849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall llvm::FoldingSetNodeID ID; 173949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType::Profile(ID, Parm, Replacement); 174049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void *InsertPos = 0; 174149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType *SubstParm 174249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall = SubstTemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 174349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 174449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall if (!SubstParm) { 174549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstParm = new (*this, TypeAlignment) 174649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(Parm, Replacement); 174749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Types.push_back(SubstParm); 174849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); 174949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 175049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 175149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return QualType(SubstParm, 0); 175249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall} 175349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 1754fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor/// \brief Retrieve the template type parameter type for a template 17551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parameter or parameter pack with the given depth, index, and (optionally) 175676e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson/// name. 17571eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getTemplateTypeParmType(unsigned Depth, unsigned Index, 175876e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson bool ParameterPack, 1759fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor IdentifierInfo *Name) { 1760fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor llvm::FoldingSetNodeID ID; 176176e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson TemplateTypeParmType::Profile(ID, Depth, Index, ParameterPack, Name); 1762fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void *InsertPos = 0; 17631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType *TypeParm 1764fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 1765fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1766fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor if (TypeParm) 1767fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 17681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 176976e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson if (Name) { 177076e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson QualType Canon = getTemplateTypeParmType(Depth, Index, ParameterPack); 17716b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeParm = new (*this, TypeAlignment) 17726b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TemplateTypeParmType(Depth, Index, ParameterPack, Name, Canon); 1773789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1774789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor TemplateTypeParmType *TypeCheck 1775789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 1776789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!TypeCheck && "Template type parameter canonical type broken"); 1777789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)TypeCheck; 177876e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson } else 17796b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeParm = new (*this, TypeAlignment) 17806b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TemplateTypeParmType(Depth, Index, ParameterPack); 1781fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1782fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor Types.push_back(TypeParm); 1783fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor TemplateTypeParmTypes.InsertNode(TypeParm, InsertPos); 1784fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1785fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 1786fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor} 1787fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 17883cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallTypeSourceInfo * 17893cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallASTContext::getTemplateSpecializationTypeInfo(TemplateName Name, 17903cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall SourceLocation NameLoc, 17913cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const TemplateArgumentListInfo &Args, 17923cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType CanonType) { 17933cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType TST = getTemplateSpecializationType(Name, Args, CanonType); 17943cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 17953cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(TST); 17963cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TemplateSpecializationTypeLoc TL 17973cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall = cast<TemplateSpecializationTypeLoc>(DI->getTypeLoc()); 17983cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setTemplateNameLoc(NameLoc); 17993cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setLAngleLoc(Args.getLAngleLoc()); 18003cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setRAngleLoc(Args.getRAngleLoc()); 18013cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i) 18023cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setArgLocInfo(i, Args[i].getLocInfo()); 18033cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return DI; 18043cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 18053cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 18061eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 18077532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas GregorASTContext::getTemplateSpecializationType(TemplateName Template, 1808d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo &Args, 180931f17ecbef57b5679c017c375db330546b7b5145John McCall QualType Canon, 181031f17ecbef57b5679c017c375db330546b7b5145John McCall bool IsCurrentInstantiation) { 1811d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall unsigned NumArgs = Args.size(); 1812d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 1813833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall llvm::SmallVector<TemplateArgument, 4> ArgVec; 1814833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.reserve(NumArgs); 1815833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall for (unsigned i = 0; i != NumArgs; ++i) 1816833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.push_back(Args[i].getArgument()); 1817833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 181831f17ecbef57b5679c017c375db330546b7b5145John McCall return getTemplateSpecializationType(Template, ArgVec.data(), NumArgs, 181931f17ecbef57b5679c017c375db330546b7b5145John McCall Canon, IsCurrentInstantiation); 1820833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall} 1821833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 1822833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallQualType 1823833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallASTContext::getTemplateSpecializationType(TemplateName Template, 18247532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 18257532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, 182631f17ecbef57b5679c017c375db330546b7b5145John McCall QualType Canon, 182731f17ecbef57b5679c017c375db330546b7b5145John McCall bool IsCurrentInstantiation) { 1828b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor if (!Canon.isNull()) 1829b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor Canon = getCanonicalType(Canon); 1830b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor else { 183131f17ecbef57b5679c017c375db330546b7b5145John McCall assert(!IsCurrentInstantiation && 183231f17ecbef57b5679c017c375db330546b7b5145John McCall "current-instantiation specializations should always " 183331f17ecbef57b5679c017c375db330546b7b5145John McCall "have a canonical type"); 183431f17ecbef57b5679c017c375db330546b7b5145John McCall 1835b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor // Build the canonical template specialization type. 18361275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateName CanonTemplate = getCanonicalTemplateName(Template); 18371275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor llvm::SmallVector<TemplateArgument, 4> CanonArgs; 18381275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs.reserve(NumArgs); 18391275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor for (unsigned I = 0; I != NumArgs; ++I) 18401275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs.push_back(getCanonicalTemplateArgument(Args[I])); 18411275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 18421275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Determine whether this canonical template specialization type already 18431275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // exists. 18441275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor llvm::FoldingSetNodeID ID; 184531f17ecbef57b5679c017c375db330546b7b5145John McCall TemplateSpecializationType::Profile(ID, CanonTemplate, false, 1846828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor CanonArgs.data(), NumArgs, *this); 18471275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 18481275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor void *InsertPos = 0; 18491275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateSpecializationType *Spec 18501275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor = TemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 18511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18521275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor if (!Spec) { 18531275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Allocate a new canonical template specialization type. 18541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void *Mem = Allocate((sizeof(TemplateSpecializationType) + 18551275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor sizeof(TemplateArgument) * NumArgs), 18566b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment); 185731f17ecbef57b5679c017c375db330546b7b5145John McCall Spec = new (Mem) TemplateSpecializationType(*this, CanonTemplate, false, 18581275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs.data(), NumArgs, 1859b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor Canon); 18601275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor Types.push_back(Spec); 18611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateSpecializationTypes.InsertNode(Spec, InsertPos); 18621275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 18631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1864b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor if (Canon.isNull()) 1865b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor Canon = QualType(Spec, 0); 18661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(Canon->isDependentType() && 18671275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor "Non-dependent template-id type must have a canonical type"); 1868b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor } 1869fc705b84347e6fb4746a1a7e26949f64c2f2f358Douglas Gregor 18701275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Allocate the (non-canonical) template specialization type, but don't 18711275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // try to unique it: these types typically have location information that 18721275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // we don't unique and don't want to lose. 18731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void *Mem = Allocate((sizeof(TemplateSpecializationType) + 187440808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor sizeof(TemplateArgument) * NumArgs), 18756b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment); 18761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateSpecializationType *Spec 187731f17ecbef57b5679c017c375db330546b7b5145John McCall = new (Mem) TemplateSpecializationType(*this, Template, 187831f17ecbef57b5679c017c375db330546b7b5145John McCall IsCurrentInstantiation, 187931f17ecbef57b5679c017c375db330546b7b5145John McCall Args, NumArgs, 1880828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor Canon); 18811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 188255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor Types.push_back(Spec); 18831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(Spec, 0); 188455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor} 188555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 18861eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 1887465d41b92b2c862f3062c412a0538db65c6a2661Abramo BagnaraASTContext::getElaboratedType(ElaboratedTypeKeyword Keyword, 1888465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, 1889465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara QualType NamedType) { 1890e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor llvm::FoldingSetNodeID ID; 1891465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType::Profile(ID, Keyword, NNS, NamedType); 1892e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 1893e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void *InsertPos = 0; 1894465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *T = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 1895e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor if (T) 1896e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 1897e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 1898789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor QualType Canon = NamedType; 1899789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (!Canon.isCanonical()) { 1900789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor Canon = getCanonicalType(NamedType); 1901465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *CheckT = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 1902465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara assert(!CheckT && "Elaborated canonical type broken"); 1903789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckT; 1904789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 1905789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1906465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = new (*this) ElaboratedType(Keyword, NNS, NamedType, Canon); 1907e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor Types.push_back(T); 1908465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedTypes.InsertNode(T, InsertPos); 1909e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 1910e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor} 1911e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 19124a2023f5014e82389d5980d307b89c545dbbac81Douglas GregorQualType ASTContext::getDependentNameType(ElaboratedTypeKeyword Keyword, 19134a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 19144a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, 19154a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor QualType Canon) { 1916d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 1917d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1918d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (Canon.isNull()) { 1919d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 19204a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ElaboratedTypeKeyword CanonKeyword = Keyword; 19214a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (Keyword == ETK_None) 19224a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor CanonKeyword = ETK_Typename; 19234a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor 19244a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (CanonNNS != NNS || CanonKeyword != Keyword) 19254a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor Canon = getDependentNameType(CanonKeyword, CanonNNS, Name); 1926d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 1927d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1928d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor llvm::FoldingSetNodeID ID; 19294a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType::Profile(ID, Keyword, NNS, Name); 1930d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1931d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void *InsertPos = 0; 19324714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameType *T 19334714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor = DependentNameTypes.FindNodeOrInsertPos(ID, InsertPos); 1934d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (T) 1935d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return QualType(T, 0); 1936d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 19374a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor T = new (*this) DependentNameType(Keyword, NNS, Name, Canon); 1938d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor Types.push_back(T); 19394714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameTypes.InsertNode(T, InsertPos); 19401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 1941d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 1942d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 19431eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 19444a2023f5014e82389d5980d307b89c545dbbac81Douglas GregorASTContext::getDependentNameType(ElaboratedTypeKeyword Keyword, 19454a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 19464a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const TemplateSpecializationType *TemplateId, 19474a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor QualType Canon) { 19481734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 19491734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 1950789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor llvm::FoldingSetNodeID ID; 19514a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType::Profile(ID, Keyword, NNS, TemplateId); 1952789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1953789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor void *InsertPos = 0; 19544714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameType *T 19554714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor = DependentNameTypes.FindNodeOrInsertPos(ID, InsertPos); 1956789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (T) 1957789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor return QualType(T, 0); 1958789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 19591734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor if (Canon.isNull()) { 19601734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 19611734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor QualType CanonType = getCanonicalType(QualType(TemplateId, 0)); 19624a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ElaboratedTypeKeyword CanonKeyword = Keyword; 19634a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (Keyword == ETK_None) 19644a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor CanonKeyword = ETK_Typename; 19654a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (CanonNNS != NNS || CanonKeyword != Keyword || 19664a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor CanonType != QualType(TemplateId, 0)) { 19671734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor const TemplateSpecializationType *CanonTemplateId 1968183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall = CanonType->getAs<TemplateSpecializationType>(); 19691734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor assert(CanonTemplateId && 19701734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor "Canonical type must also be a template specialization type"); 19714a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor Canon = getDependentNameType(CanonKeyword, CanonNNS, CanonTemplateId); 19721734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor } 19731734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 19744714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameType *CheckT 19754714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor = DependentNameTypes.FindNodeOrInsertPos(ID, InsertPos); 1976789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckT && "Typename canonical type is broken"); (void)CheckT; 1977789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 19781734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 19794a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor T = new (*this) DependentNameType(Keyword, NNS, TemplateId, Canon); 19801734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Types.push_back(T); 19814714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameTypes.InsertNode(T, InsertPos); 19821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 19831734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor} 19841734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 198588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// CmpProtocolNames - Comparison predicate for sorting protocols 198688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// alphabetically. 198788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattnerstatic bool CmpProtocolNames(const ObjCProtocolDecl *LHS, 198888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner const ObjCProtocolDecl *RHS) { 19892e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return LHS->getDeclName() < RHS->getDeclName(); 199088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 199188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 1992c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallstatic bool areSortedAndUniqued(ObjCProtocolDecl * const *Protocols, 199354e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned NumProtocols) { 199454e14c4db764c0636160d26c5bbf491637c83a76John McCall if (NumProtocols == 0) return true; 199554e14c4db764c0636160d26c5bbf491637c83a76John McCall 199654e14c4db764c0636160d26c5bbf491637c83a76John McCall for (unsigned i = 1; i != NumProtocols; ++i) 199754e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!CmpProtocolNames(Protocols[i-1], Protocols[i])) 199854e14c4db764c0636160d26c5bbf491637c83a76John McCall return false; 199954e14c4db764c0636160d26c5bbf491637c83a76John McCall return true; 200054e14c4db764c0636160d26c5bbf491637c83a76John McCall} 200154e14c4db764c0636160d26c5bbf491637c83a76John McCall 200254e14c4db764c0636160d26c5bbf491637c83a76John McCallstatic void SortAndUniqueProtocols(ObjCProtocolDecl **Protocols, 200388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner unsigned &NumProtocols) { 200488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ObjCProtocolDecl **ProtocolsEnd = Protocols+NumProtocols; 20051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 200688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Sort protocols, keyed by name. 200788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner std::sort(Protocols, Protocols+NumProtocols, CmpProtocolNames); 200888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 200988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Remove duplicates. 201088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ProtocolsEnd = std::unique(Protocols, ProtocolsEnd); 201188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner NumProtocols = ProtocolsEnd-Protocols; 201288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 201388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2014c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallQualType ASTContext::getObjCObjectType(QualType BaseType, 2015c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 2016c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols) { 2017c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If the base type is an interface and there aren't any protocols 2018c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // to add, then the interface type will do just fine. 2019c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!NumProtocols && isa<ObjCInterfaceType>(BaseType)) 2020c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return BaseType; 2021d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2022c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Look in the folding set for an existing type. 2023c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::FoldingSetNodeID ID; 2024c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl::Profile(ID, BaseType, Protocols, NumProtocols); 2025d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff void *InsertPos = 0; 2026c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectType *QT = ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos)) 2027c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(QT, 0); 2028d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2029c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Build the canonical type, which has the canonical base type and 2030c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // a sorted-and-uniqued list of protocols. 203154e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2032c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool ProtocolsSorted = areSortedAndUniqued(Protocols, NumProtocols); 2033c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted || !BaseType.isCanonical()) { 2034c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted) { 20350237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer llvm::SmallVector<ObjCProtocolDecl*, 8> Sorted(Protocols, 20360237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer Protocols + NumProtocols); 203754e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned UniqueCount = NumProtocols; 203854e14c4db764c0636160d26c5bbf491637c83a76John McCall 203954e14c4db764c0636160d26c5bbf491637c83a76John McCall SortAndUniqueProtocols(&Sorted[0], UniqueCount); 2040c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2041c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall &Sorted[0], UniqueCount); 204254e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 2043c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2044c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Protocols, NumProtocols); 204554e14c4db764c0636160d26c5bbf491637c83a76John McCall } 204654e14c4db764c0636160d26c5bbf491637c83a76John McCall 204754e14c4db764c0636160d26c5bbf491637c83a76John McCall // Regenerate InsertPos. 2048c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos); 204954e14c4db764c0636160d26c5bbf491637c83a76John McCall } 205054e14c4db764c0636160d26c5bbf491637c83a76John McCall 2051c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned Size = sizeof(ObjCObjectTypeImpl); 2052c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Size += NumProtocols * sizeof(ObjCProtocolDecl *); 2053fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor void *Mem = Allocate(Size, TypeAlignment); 2054c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl *T = 2055c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectTypeImpl(Canonical, BaseType, Protocols, NumProtocols); 20561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2057c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Types.push_back(T); 2058c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.InsertNode(T, InsertPos); 2059c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(T, 0); 2060d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 206188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2062c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// getObjCObjectPointerType - Return a ObjCObjectPointerType type for 2063c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// the given object type. 2064c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallQualType ASTContext::getObjCObjectPointerType(QualType ObjectT) { 20654b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian llvm::FoldingSetNodeID ID; 2066c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType::Profile(ID, ObjectT); 20671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20684b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian void *InsertPos = 0; 2069c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectPointerType *QT = 2070c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 20714b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian return QualType(QT, 0); 20721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2073c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Find the canonical object type. 207454e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2075c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ObjectT.isCanonical()) { 2076c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectPointerType(getCanonicalType(ObjectT)); 207754e14c4db764c0636160d26c5bbf491637c83a76John McCall 2078c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Regenerate InsertPos. 2079c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 208054e14c4db764c0636160d26c5bbf491637c83a76John McCall } 208154e14c4db764c0636160d26c5bbf491637c83a76John McCall 2082c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // No match. 2083c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void *Mem = Allocate(sizeof(ObjCObjectPointerType), TypeAlignment); 2084c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType *QType = 2085c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectPointerType(Canonical, ObjectT); 208624fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 208724fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis Types.push_back(QType); 2088c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.InsertNode(QType, InsertPos); 208924fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis return QualType(QType, 0); 209024fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis} 209124fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 2092c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// getObjCInterfaceType - Return the unique reference to the type for the 2093c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// specified ObjC interface decl. The list of protocols is optional. 2094c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallQualType ASTContext::getObjCInterfaceType(const ObjCInterfaceDecl *Decl) { 2095c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (Decl->TypeForDecl) 2096c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(Decl->TypeForDecl, 0); 2097c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 2098c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // FIXME: redeclarations? 2099c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void *Mem = Allocate(sizeof(ObjCInterfaceType), TypeAlignment); 2100c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceType *T = new (Mem) ObjCInterfaceType(Decl); 2101c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Decl->TypeForDecl = T; 2102c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Types.push_back(T); 2103c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(T, 0); 2104c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 2105c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 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(); 23389dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor const ArrayType *AT = getAsArrayType(T); 23399dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (!AT) { 23405535c38a2fcface6c13bc8bbeca66882de2fa227Chandler Carruth return T.getUnqualifiedType(); 234128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 234228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 234328e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth QualType Elt = AT->getElementType(); 2344c1ae0a8b0022a9fbb50d3413139f36ec5d8a63beZhongxing Xu QualType UnqualElt = getUnqualifiedArrayType(Elt, Quals); 234528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth if (Elt == UnqualElt) 234628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return T; 234728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 23489dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) { 234928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return getConstantArrayType(UnqualElt, CAT->getSize(), 235028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth CAT->getSizeModifier(), 0); 235128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 235228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 23539dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(AT)) { 235428e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return getIncompleteArrayType(UnqualElt, IAT->getSizeModifier(), 0); 235528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 235628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 23579dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const VariableArrayType *VAT = dyn_cast<VariableArrayType>(AT)) { 23589dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor return getVariableArrayType(UnqualElt, 23599dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeExpr() ? 23609dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeExpr()->Retain() : 0, 23619dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeModifier(), 23629dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getIndexTypeCVRQualifiers(), 23639dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getBracketsRange()); 23649dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor } 23659dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor 23669dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor const DependentSizedArrayType *DSAT = cast<DependentSizedArrayType>(AT); 236728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return getDependentSizedArrayType(UnqualElt, DSAT->getSizeExpr()->Retain(), 236828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth DSAT->getSizeModifier(), 0, 236928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth SourceRange()); 237028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth} 237128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 237280ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCallDeclarationName ASTContext::getNameForTemplate(TemplateName Name) { 237380ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (TemplateDecl *TD = Name.getAsTemplateDecl()) 237480ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall return TD->getDeclName(); 237580ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 237680ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DependentTemplateName *DTN = Name.getAsDependentTemplateName()) { 237780ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DTN->isIdentifier()) { 237880ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall return DeclarationNames.getIdentifier(DTN->getIdentifier()); 237980ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } else { 238080ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall return DeclarationNames.getCXXOperatorName(DTN->getOperator()); 238180ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 238280ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 238380ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 23840bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *Storage = Name.getAsOverloadedTemplate(); 23850bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(Storage); 23860bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall return (*Storage->begin())->getDeclName(); 238780ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall} 238880ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 238925a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas GregorTemplateName ASTContext::getCanonicalTemplateName(TemplateName Name) { 239025a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor // If this template name refers to a template, the canonical 239125a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor // template name merely stores the template itself. 239225a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor if (TemplateDecl *Template = Name.getAsTemplateDecl()) 239397fbaa2a38804268a024f1a104b43fcf8b4411b0Argyrios Kyrtzidis return TemplateName(cast<TemplateDecl>(Template->getCanonicalDecl())); 239425a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 23950bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(!Name.getAsOverloadedTemplate()); 23961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 239725a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor DependentTemplateName *DTN = Name.getAsDependentTemplateName(); 239825a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor assert(DTN && "Non-dependent template names must refer to template decls."); 239925a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor return DTN->CanonicalTemplateName; 240025a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor} 240125a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 2402db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregorbool ASTContext::hasSameTemplateName(TemplateName X, TemplateName Y) { 2403db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor X = getCanonicalTemplateName(X); 2404db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor Y = getCanonicalTemplateName(Y); 2405db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor return X.getAsVoidPointer() == Y.getAsVoidPointer(); 2406db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor} 2407db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor 24081eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateArgument 24091275ae098acda31fe0e434510c729fcfed0458a1Douglas GregorASTContext::getCanonicalTemplateArgument(const TemplateArgument &Arg) { 24101275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor switch (Arg.getKind()) { 24111275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Null: 24121275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 24131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24141275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Expression: 24151275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 24161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24171275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Declaration: 2418833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(Arg.getAsDecl()->getCanonicalDecl()); 24191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2420788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor case TemplateArgument::Template: 2421788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor return TemplateArgument(getCanonicalTemplateName(Arg.getAsTemplate())); 2422788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor 24231275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Integral: 2424833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(*Arg.getAsIntegral(), 24251275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor getCanonicalType(Arg.getIntegralType())); 24261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24271275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Type: 2428833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(getCanonicalType(Arg.getAsType())); 24291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24301275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Pack: { 24311275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // FIXME: Allocate in ASTContext 24321275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateArgument *CanonArgs = new TemplateArgument[Arg.pack_size()]; 24331275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor unsigned Idx = 0; 24341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (TemplateArgument::pack_iterator A = Arg.pack_begin(), 24351275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor AEnd = Arg.pack_end(); 24361275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor A != AEnd; (void)++A, ++Idx) 24371275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs[Idx] = getCanonicalTemplateArgument(*A); 24381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24391275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateArgument Result; 24401275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor Result.setArgumentPack(CanonArgs, Arg.pack_size(), false); 24411275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Result; 24421275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 24431275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 24441275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 24451275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Silence GCC warning 24461275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor assert(false && "Unhandled template argument kind"); 24471275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return TemplateArgument(); 24481275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor} 24491275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 2450d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorNestedNameSpecifier * 2451d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorASTContext::getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS) { 24521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!NNS) 2453d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 2454d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2455d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor switch (NNS->getKind()) { 2456d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Identifier: 2457d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Canonicalize the prefix but keep the identifier the same. 24581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return NestedNameSpecifier::Create(*this, 2459d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor getCanonicalNestedNameSpecifier(NNS->getPrefix()), 2460d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NNS->getAsIdentifier()); 2461d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2462d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Namespace: 2463d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 2464d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // this namespace and no prefix. 2465d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NestedNameSpecifier::Create(*this, 0, NNS->getAsNamespace()); 2466d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2467d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpec: 2468d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpecWithTemplate: { 2469d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType T = getCanonicalType(QualType(NNS->getAsType(), 0)); 24701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return NestedNameSpecifier::Create(*this, 0, 24711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NNS->getKind() == NestedNameSpecifier::TypeSpecWithTemplate, 2472d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor T.getTypePtr()); 2473d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2474d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2475d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Global: 2476d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // The global specifier is canonical and unique. 2477d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NNS; 2478d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2479d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2480d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Required to silence a GCC warning 2481d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 2482d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 2483d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2484c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 2485c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerconst ArrayType *ASTContext::getAsArrayType(QualType T) { 2486c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the non-qualified case efficiently. 2487a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (!T.hasLocalQualifiers()) { 2488c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the common positive case fast. 2489c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ArrayType *AT = dyn_cast<ArrayType>(T)) 2490c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return AT; 2491c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 24921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Handle the common negative case fast. 2494c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType CType = T->getCanonicalTypeInternal(); 24950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!isa<ArrayType>(CType)) 2496c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return 0; 24971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Apply any qualifiers from the array type to the element type. This 2499c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // implements C99 6.7.3p8: "If the specification of an array type includes 2500c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // any type qualifiers, the element type is so qualified, not the array type." 25011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2502c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we get here, we either have type qualifiers on the type, or we have 2503c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // sugar such as a typedef in the way. If we have type qualifiers on the type 250450d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor // we must propagate them down into the element type. 25050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 25060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qs; 25070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *Ty = Qs.strip(T.getDesugaredType()); 25081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2509c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we have a simple case, just return now. 2510c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *ATy = dyn_cast<ArrayType>(Ty); 25110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (ATy == 0 || Qs.empty()) 2512c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return ATy; 25131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2514c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Otherwise, we have an array and we have qualifiers on it. Push the 2515c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // qualifiers into the array element type and return a new array type. 2516c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the canonical version of the element with the extra qualifiers on it. 2517c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // This can recursively sink qualifiers through multiple levels of arrays. 25180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType NewEltTy = getQualifiedType(ATy->getElementType(), Qs); 25191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2520c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(ATy)) 2521c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getConstantArrayType(NewEltTy, CAT->getSize(), 2522c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner CAT->getSizeModifier(), 25230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CAT->getIndexTypeCVRQualifiers())); 2524c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(ATy)) 2525c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getIncompleteArrayType(NewEltTy, 2526c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner IAT->getSizeModifier(), 25270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall IAT->getIndexTypeCVRQualifiers())); 2528898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 25291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const DependentSizedArrayType *DSAT 2530898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor = dyn_cast<DependentSizedArrayType>(ATy)) 2531898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return cast<ArrayType>( 25321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getDependentSizedArrayType(NewEltTy, 2533bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr() ? 2534bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr()->Retain() : 0, 2535898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor DSAT->getSizeModifier(), 25360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall DSAT->getIndexTypeCVRQualifiers(), 25377e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor DSAT->getBracketsRange())); 25381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2539c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *VAT = cast<VariableArrayType>(ATy); 25407e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return cast<ArrayType>(getVariableArrayType(NewEltTy, 2541bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman VAT->getSizeExpr() ? 25420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getSizeExpr()->Retain() : 0, 2543c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VAT->getSizeModifier(), 25440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getIndexTypeCVRQualifiers(), 25457e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor VAT->getBracketsRange())); 254677c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner} 254777c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 254877c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 2549e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// getArrayDecayedType - Return the properly qualified result of decaying the 2550e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// specified array type to a pointer. This operation is non-trivial when 2551e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// handling typedefs etc. The canonical type of "T" must be an array type, 2552e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// this returns a pointer to a properly qualified element of the array. 2553e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// 2554e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 2555e6327747b72bb687c948270f702ff53c30f411a6Chris LattnerQualType ASTContext::getArrayDecayedType(QualType Ty) { 2556c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the element type with 'getAsArrayType' so that we don't lose any 2557c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // typedefs in the element type of the array. This also handles propagation 2558c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // of type qualifiers from the array type into the element type if present 2559c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // (C99 6.7.3p8). 2560c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *PrettyArrayType = getAsArrayType(Ty); 2561c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner assert(PrettyArrayType && "Not an array type!"); 25621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2563c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType PtrTy = getPointerType(PrettyArrayType->getElementType()); 2564e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 2565e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner // int x[restrict 4] -> int *restrict 25660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getQualifiedType(PtrTy, PrettyArrayType->getIndexTypeQualifiers()); 2567e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner} 2568e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 25695e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas GregorQualType ASTContext::getBaseElementType(QualType QT) { 25700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qs; 25710237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer while (const ArrayType *AT = getAsArrayType(QualType(Qs.strip(QT), 0))) 25720237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer QT = AT->getElementType(); 25730237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer return Qs.apply(QT); 25745e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor} 25755e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor 2576fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders CarlssonQualType ASTContext::getBaseElementType(const ArrayType *AT) { 2577fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson QualType ElemTy = AT->getElementType(); 25781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2579fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson if (const ArrayType *AT = getAsArrayType(ElemTy)) 2580fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson return getBaseElementType(AT); 25811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25826183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson return ElemTy; 25836183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson} 25846183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 25850de78998e7bda473b408437053e48661b510d453Fariborz Jahanian/// getConstantArrayElementCount - Returns number of constant array elements. 25861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpuint64_t 25870de78998e7bda473b408437053e48661b510d453Fariborz JahanianASTContext::getConstantArrayElementCount(const ConstantArrayType *CA) const { 25880de78998e7bda473b408437053e48661b510d453Fariborz Jahanian uint64_t ElementCount = 1; 25890de78998e7bda473b408437053e48661b510d453Fariborz Jahanian do { 25900de78998e7bda473b408437053e48661b510d453Fariborz Jahanian ElementCount *= CA->getSize().getZExtValue(); 25910de78998e7bda473b408437053e48661b510d453Fariborz Jahanian CA = dyn_cast<ConstantArrayType>(CA->getElementType()); 25920de78998e7bda473b408437053e48661b510d453Fariborz Jahanian } while (CA); 25930de78998e7bda473b408437053e48661b510d453Fariborz Jahanian return ElementCount; 25940de78998e7bda473b408437053e48661b510d453Fariborz Jahanian} 25950de78998e7bda473b408437053e48661b510d453Fariborz Jahanian 25965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFloatingRank - Return a relative rank for floating point types. 25975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// This routine will assert if passed a built-in type that isn't a float. 2598a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerstatic FloatingRank getFloatingRank(QualType T) { 2599183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) 26005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getFloatingRank(CT->getElementType()); 2601a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 2602183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall assert(T->getAs<BuiltinType>() && "getFloatingRank(): not a floating type"); 2603183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall switch (T->getAs<BuiltinType>()->getKind()) { 2604a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner default: assert(0 && "getFloatingRank(): not a floating type"); 26055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Float: return FloatRank; 26065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Double: return DoubleRank; 26075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::LongDouble: return LongDoubleRank; 26085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 26095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 26105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 26111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getFloatingTypeOfSizeWithinDomain - Returns a real floating 26121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// point or a complex type (based on typeDomain/typeSize). 2613716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeDomain' is a real floating point or complex type. 2614716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeSize' is a real floating point or complex type. 26151361b11066239ea15764a2a844405352d87296b3Chris LattnerQualType ASTContext::getFloatingTypeOfSizeWithinDomain(QualType Size, 26161361b11066239ea15764a2a844405352d87296b3Chris Lattner QualType Domain) const { 26171361b11066239ea15764a2a844405352d87296b3Chris Lattner FloatingRank EltRank = getFloatingRank(Size); 26181361b11066239ea15764a2a844405352d87296b3Chris Lattner if (Domain->isComplexType()) { 26191361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 2620716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff default: assert(0 && "getFloatingRank(): illegal value for rank"); 2621f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case FloatRank: return FloatComplexTy; 2622f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case DoubleRank: return DoubleComplexTy; 2623f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case LongDoubleRank: return LongDoubleComplexTy; 2624f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 2625f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 26261361b11066239ea15764a2a844405352d87296b3Chris Lattner 26271361b11066239ea15764a2a844405352d87296b3Chris Lattner assert(Domain->isRealFloatingType() && "Unknown domain!"); 26281361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 26291361b11066239ea15764a2a844405352d87296b3Chris Lattner default: assert(0 && "getFloatingRank(): illegal value for rank"); 26301361b11066239ea15764a2a844405352d87296b3Chris Lattner case FloatRank: return FloatTy; 26311361b11066239ea15764a2a844405352d87296b3Chris Lattner case DoubleRank: return DoubleTy; 26321361b11066239ea15764a2a844405352d87296b3Chris Lattner case LongDoubleRank: return LongDoubleTy; 26335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 26345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 26355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 26367cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// getFloatingTypeOrder - Compare the rank of the two specified floating 26377cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// point types, ignoring the domain of the type (i.e. 'double' == 26387cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 26391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 2640a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerint ASTContext::getFloatingTypeOrder(QualType LHS, QualType RHS) { 2641a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank LHSR = getFloatingRank(LHS); 2642a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank RHSR = getFloatingRank(RHS); 26431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2644a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR == RHSR) 2645fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 0; 2646a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR > RHSR) 2647fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 1; 2648fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return -1; 26495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 26505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2651f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// getIntegerRank - Return an integer conversion rank (C99 6.3.1.1p1). This 2652f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// routine will assert if passed a built-in type that isn't an integer or enum, 2653f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// or if it is not canonicalized. 2654f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedmanunsigned ASTContext::getIntegerRank(Type *T) { 2655467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(T->isCanonicalUnqualified() && "T should be canonicalized"); 2656f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman if (EnumType* ET = dyn_cast<EnumType>(T)) 2657842aef8d942a880eeb9535d40de31a86838264cbJohn McCall T = ET->getDecl()->getPromotionType().getTypePtr(); 2658f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 2659a34267595534a72703290153a6f7e3da1adcec59Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::WChar)) 2660a34267595534a72703290153a6f7e3da1adcec59Eli Friedman T = getFromTargetType(Target.getWCharType()).getTypePtr(); 2661a34267595534a72703290153a6f7e3da1adcec59Eli Friedman 2662f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char16)) 2663f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar16Type()).getTypePtr(); 2664f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 2665f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char32)) 2666f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar32Type()).getTypePtr(); 2667f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 2668f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 26697cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner default: assert(0 && "getIntegerRank(): not a built-in integer"); 26707cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Bool: 2671f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 1 + (getIntWidth(BoolTy) << 3); 26727cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_S: 26737cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_U: 26747cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::SChar: 26757cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UChar: 2676f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 2 + (getIntWidth(CharTy) << 3); 26777cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Short: 26787cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UShort: 2679f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 3 + (getIntWidth(ShortTy) << 3); 26807cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Int: 26817cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UInt: 2682f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 4 + (getIntWidth(IntTy) << 3); 26837cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Long: 26847cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULong: 2685f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 5 + (getIntWidth(LongTy) << 3); 26867cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::LongLong: 26877cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULongLong: 2688f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 6 + (getIntWidth(LongLongTy) << 3); 26892df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 26902df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::UInt128: 26912df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return 7 + (getIntWidth(Int128Ty) << 3); 2692f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner } 2693f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner} 2694f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner 269504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \brief Whether this is a promotable bitfield reference according 269604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// to C99 6.3.1.1p2, bullet 2 (and GCC extensions). 269704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// 269804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \returns the type this bit-field will promote to, or NULL if no 269904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// promotion occurs. 270004e8357f6801e9ff52673e7e899a67bbabf9de93Eli FriedmanQualType ASTContext::isPromotableBitField(Expr *E) { 270104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman FieldDecl *Field = E->getBitField(); 270204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (!Field) 270304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 270404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 270504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman QualType FT = Field->getType(); 270604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 270704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman llvm::APSInt BitWidthAP = Field->getBitWidth()->EvaluateAsInt(*this); 270804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t BitWidth = BitWidthAP.getZExtValue(); 270904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 271004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // GCC extension compatibility: if the bit-field size is less than or equal 271104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // to the size of int, it gets promoted no matter what its type is. 271204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // For instance, unsigned long bf : 4 gets promoted to signed int. 271304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth < IntSize) 271404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return IntTy; 271504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 271604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth == IntSize) 271704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return FT->isSignedIntegerType() ? IntTy : UnsignedIntTy; 271804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 271904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // Types bigger than int are not subject to promotions, and therefore act 272004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // like the base type. 272104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // FIXME: This doesn't quite match what gcc does, but what gcc does here 272204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // is ridiculous. 272304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 272404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman} 272504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 2726a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// getPromotedIntegerType - Returns the type that Promotable will 2727a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// promote to: C99 6.3.1.1p2, assuming that Promotable is a promotable 2728a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// integer type. 2729a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli FriedmanQualType ASTContext::getPromotedIntegerType(QualType Promotable) { 2730a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(!Promotable.isNull()); 2731a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isPromotableIntegerType()); 2732842aef8d942a880eeb9535d40de31a86838264cbJohn McCall if (const EnumType *ET = Promotable->getAs<EnumType>()) 2733842aef8d942a880eeb9535d40de31a86838264cbJohn McCall return ET->getDecl()->getPromotionType(); 2734a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (Promotable->isSignedIntegerType()) 2735a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return IntTy; 2736a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t PromotableSize = getTypeSize(Promotable); 2737a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 2738a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isUnsignedIntegerType() && PromotableSize <= IntSize); 2739a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return (PromotableSize != IntSize) ? IntTy : UnsignedIntTy; 2740a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman} 2741a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 27421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getIntegerTypeOrder - Returns the highest ranked integer type: 27437cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 27441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 27457cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattnerint ASTContext::getIntegerTypeOrder(QualType LHS, QualType RHS) { 2746f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Type *LHSC = getCanonicalType(LHS).getTypePtr(); 2747f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Type *RHSC = getCanonicalType(RHS).getTypePtr(); 27487cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSC == RHSC) return 0; 27491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2750f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool LHSUnsigned = LHSC->isUnsignedIntegerType(); 2751f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool RHSUnsigned = RHSC->isUnsignedIntegerType(); 27521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27537cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned LHSRank = getIntegerRank(LHSC); 27547cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned RHSRank = getIntegerRank(RHSC); 27551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27567cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned == RHSUnsigned) { // Both signed or both unsigned. 27577cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank == RHSRank) return 0; 27587cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return LHSRank > RHSRank ? 1 : -1; 27597cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 27601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27617cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // Otherwise, the LHS is signed and the RHS is unsigned or visa versa. 27627cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned) { 27637cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [LHS] type is larger, return it. 27647cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank >= RHSRank) 27657cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 27661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27677cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 27687cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 27691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 27707cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 27717cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 27727cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner 27737cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [RHS] type is larger, return it. 27747cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (RHSRank >= LHSRank) 27757cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 27761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27777cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 27787cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 27791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 27807cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 27815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 278271993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 278379cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlssonstatic RecordDecl * 278479cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders CarlssonCreateRecordDecl(ASTContext &Ctx, RecordDecl::TagKind TK, DeclContext *DC, 278579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson SourceLocation L, IdentifierInfo *Id) { 278679cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson if (Ctx.getLangOptions().CPlusPlus) 278779cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson return CXXRecordDecl::Create(Ctx, TK, DC, L, Id); 278879cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson else 278979cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson return RecordDecl::Create(Ctx, TK, DC, L, Id); 279079cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson} 279179cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 27921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// getCFConstantStringType - Return the type used for constant CFStrings. 279371993dd85eed9cc42c6b2fa61ee5c53026b74817Anders CarlssonQualType ASTContext::getCFConstantStringType() { 279471993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson if (!CFConstantStringTypeDecl) { 27951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CFConstantStringTypeDecl = 2796465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 279779cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("NSConstantString")); 27985cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall CFConstantStringTypeDecl->startDefinition(); 279979cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 2800f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson QualType FieldTypes[4]; 28011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 280271993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const int *isa; 28030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[0] = getPointerType(IntTy.withConst()); 2804f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson // int flags; 2805f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson FieldTypes[1] = IntTy; 280671993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const char *str; 28070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[2] = getPointerType(CharTy.withConst()); 280871993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // long length; 28091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[3] = LongTy; 28101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 281144b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor // Create fields 281244b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (unsigned i = 0; i < 4; ++i) { 28131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, CFConstantStringTypeDecl, 281444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor SourceLocation(), 0, 2815a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 28161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 28174afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 28182888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 281917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis CFConstantStringTypeDecl->addDecl(Field); 282044b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 282144b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 2822838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor CFConstantStringTypeDecl->completeDefinition(); 282371993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson } 28241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 282571993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson return getTagDeclType(CFConstantStringTypeDecl); 28268467583c2704e7a9691ea56939a029015f0ade0aGabor Greif} 2827b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 2828319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setCFConstantStringType(QualType T) { 28296217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 2830319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid CFConstantStringType"); 2831319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor CFConstantStringTypeDecl = Rec->getDecl(); 2832319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 2833319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 28342bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian// getNSConstantStringType - Return the type used for constant NSStrings. 28352bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz JahanianQualType ASTContext::getNSConstantStringType() { 28362bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian if (!NSConstantStringTypeDecl) { 28372bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl = 2838465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 28392bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian &Idents.get("__builtin_NSString")); 28402bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->startDefinition(); 28412bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 28422bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian QualType FieldTypes[3]; 28432bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 28442bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // const int *isa; 28452bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[0] = getPointerType(IntTy.withConst()); 28462bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // const char *str; 28472bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[1] = getPointerType(CharTy.withConst()); 28482bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // unsigned int length; 28492bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[2] = UnsignedIntTy; 28502bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 28512bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // Create fields 28522bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian for (unsigned i = 0; i < 3; ++i) { 28532bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldDecl *Field = FieldDecl::Create(*this, NSConstantStringTypeDecl, 28542bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian SourceLocation(), 0, 28552bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[i], /*TInfo=*/0, 28562bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian /*BitWidth=*/0, 28572bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian /*Mutable=*/false); 28582888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 28592bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->addDecl(Field); 28602bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian } 28612bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 28622bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->completeDefinition(); 28632bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian } 28642bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 28652bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian return getTagDeclType(NSConstantStringTypeDecl); 28662bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian} 28672bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 28682bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanianvoid ASTContext::setNSConstantStringType(QualType T) { 28692bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian const RecordType *Rec = T->getAs<RecordType>(); 28702bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian assert(Rec && "Invalid NSConstantStringType"); 28712bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl = Rec->getDecl(); 28722bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian} 28732bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 28741eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getObjCFastEnumerationStateType() { 2875bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson if (!ObjCFastEnumerationStateTypeDecl) { 287644b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor ObjCFastEnumerationStateTypeDecl = 2877465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 287879cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__objcFastEnumerationState")); 28795cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall ObjCFastEnumerationStateTypeDecl->startDefinition(); 28801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2881bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson QualType FieldTypes[] = { 2882bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson UnsignedLongTy, 2883de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff getPointerType(ObjCIdTypedefType), 2884bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getPointerType(UnsignedLongTy), 2885bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getConstantArrayType(UnsignedLongTy, 2886bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson llvm::APInt(32, 5), ArrayType::Normal, 0) 2887bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson }; 28881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 288944b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (size_t i = 0; i < 4; ++i) { 28901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, 28911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ObjCFastEnumerationStateTypeDecl, 28921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 0, 2893a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 28941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 28954afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 28962888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 289717945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis ObjCFastEnumerationStateTypeDecl->addDecl(Field); 289844b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 28991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2900838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor ObjCFastEnumerationStateTypeDecl->completeDefinition(); 2901bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson } 29021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2903bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson return getTagDeclType(ObjCFastEnumerationStateTypeDecl); 2904bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson} 2905bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 2906adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike StumpQualType ASTContext::getBlockDescriptorType() { 2907adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump if (BlockDescriptorType) 2908adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 2909adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2910adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 2911adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Needs the FlagAppleBlock bit. 2912465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 291379cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor")); 29145cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 2915adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2916adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 2917adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 2918adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 2919adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 2920adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2921adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 2922adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "reserved", 2923083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size" 2924adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 2925adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2926adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 2; ++i) { 2927adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump FieldDecl *Field = FieldDecl::Create(*this, 2928adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T, 2929adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump SourceLocation(), 2930adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 2931a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 2932adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*BitWidth=*/0, 2933adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*Mutable=*/false); 29342888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 2935adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 2936adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 2937adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2938838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 2939adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2940adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = T; 2941adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2942adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 2943adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 2944adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2945adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stumpvoid ASTContext::setBlockDescriptorType(QualType T) { 2946adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const RecordType *Rec = T->getAs<RecordType>(); 2947adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump assert(Rec && "Invalid BlockDescriptorType"); 2948adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = Rec->getDecl(); 2949adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 2950adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2951083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike StumpQualType ASTContext::getBlockDescriptorExtendedType() { 2952083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump if (BlockDescriptorExtendedType) 2953083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 2954083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2955083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump RecordDecl *T; 2956083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump // FIXME: Needs the FlagAppleBlock bit. 2957465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 295879cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor_withcopydispose")); 29595cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 2960083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2961083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType FieldTypes[] = { 2962083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 2963083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 2964083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy), 2965083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy) 2966083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 2967083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2968083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const char *FieldNames[] = { 2969083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "reserved", 2970083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size", 2971083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "CopyFuncPtr", 2972083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "DestroyFuncPtr" 2973083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 2974083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2975083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump for (size_t i = 0; i < 4; ++i) { 2976083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump FieldDecl *Field = FieldDecl::Create(*this, 2977083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T, 2978083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump SourceLocation(), 2979083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump &Idents.get(FieldNames[i]), 2980a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 2981083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*BitWidth=*/0, 2982083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*Mutable=*/false); 29832888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 2984083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T->addDecl(Field); 2985083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump } 2986083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2987838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 2988083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2989083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = T; 2990083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2991083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 2992083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 2993083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2994083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stumpvoid ASTContext::setBlockDescriptorExtendedType(QualType T) { 2995083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const RecordType *Rec = T->getAs<RecordType>(); 2996083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump assert(Rec && "Invalid BlockDescriptorType"); 2997083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = Rec->getDecl(); 2998083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 2999083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3000af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stumpbool ASTContext::BlockRequiresCopying(QualType Ty) { 3001af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (Ty->isBlockPointerType()) 3002af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3003af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (isObjCNSObjectType(Ty)) 3004af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3005af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (Ty->isObjCObjectPointerType()) 3006af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3007af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return false; 3008af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump} 3009af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3010af7b44d847d3e44c43346d508b2e55a6254b6e9dMike StumpQualType ASTContext::BuildByRefType(const char *DeclName, QualType Ty) { 3011af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // type = struct __Block_byref_1_X { 3012ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // void *__isa; 3013af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // struct __Block_byref_1_X *__forwarding; 3014ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __flags; 3015ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __size; 301638e1627e895cd276186ebf177f75ba5d229c3fd7Mike Stump // void *__copy_helper; // as needed 301738e1627e895cd276186ebf177f75ba5d229c3fd7Mike Stump // void *__destroy_help // as needed 3018af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // int X; 3019ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // } * 3020ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3021af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump bool HasCopyAndDispose = BlockRequiresCopying(Ty); 3022af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3023af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // FIXME: Move up 30244d0d85c3370f2726c74ba0ece0a5e712830a1d82Fariborz Jahanian static unsigned int UniqueBlockByRefTypeID = 0; 3025f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::SmallString<36> Name; 3026f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__Block_byref_" << 3027f5942a44880be26878592eb052b737579349411eBenjamin Kramer ++UniqueBlockByRefTypeID << '_' << DeclName; 3028af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump RecordDecl *T; 3029465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 303079cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get(Name.str())); 3031af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->startDefinition(); 3032af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType Int32Ty = IntTy; 3033af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump assert(getIntWidth(IntTy) == 32 && "non-32bit int not supported"); 3034af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType FieldTypes[] = { 3035af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3036af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(getTagDeclType(T)), 3037af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3038af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3039af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3040af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3041af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Ty 3042af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3043af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3044af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump const char *FieldNames[] = { 3045af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__isa", 3046af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__forwarding", 3047af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__flags", 3048af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__size", 3049af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__copy_helper", 3050af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__destroy_helper", 3051af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump DeclName, 3052af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3053af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3054af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump for (size_t i = 0; i < 7; ++i) { 3055af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (!HasCopyAndDispose && i >=4 && i <= 5) 3056af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump continue; 3057af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3058af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump &Idents.get(FieldNames[i]), 3059a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3060af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump /*BitWidth=*/0, /*Mutable=*/false); 30612888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3062af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->addDecl(Field); 3063af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump } 3064af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3065838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3066af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3067af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return getPointerType(getTagDeclType(T)); 3068ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump} 3069ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3070ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3071ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike StumpQualType ASTContext::getBlockParmType( 3072083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump bool BlockHasCopyDispose, 3073ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump llvm::SmallVector<const Expr *, 8> &BlockDeclRefDecls) { 3074adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Move up 30754d0d85c3370f2726c74ba0ece0a5e712830a1d82Fariborz Jahanian static unsigned int UniqueBlockParmTypeID = 0; 3076f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::SmallString<36> Name; 3077f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__block_literal_" 3078f5942a44880be26878592eb052b737579349411eBenjamin Kramer << ++UniqueBlockParmTypeID; 3079adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 3080465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 308179cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get(Name.str())); 30825cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3083adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 3084adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump getPointerType(VoidPtrTy), 3085adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump IntTy, 3086adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump IntTy, 3087adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump getPointerType(VoidPtrTy), 3088083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump (BlockHasCopyDispose ? 3089083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(getBlockDescriptorExtendedType()) : 3090083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(getBlockDescriptorType())) 3091adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3092adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3093adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 3094adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__isa", 3095adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__flags", 3096adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__reserved", 3097adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__FuncPtr", 3098adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__descriptor" 3099adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3100adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3101adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 5; ++i) { 3102ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3103adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 3104a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3105ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump /*BitWidth=*/0, /*Mutable=*/false); 31062888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3107ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump T->addDecl(Field); 3108ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump } 3109ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3110ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump for (size_t i = 0; i < BlockDeclRefDecls.size(); ++i) { 3111ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump const Expr *E = BlockDeclRefDecls[i]; 3112ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump const BlockDeclRefExpr *BDRE = dyn_cast<BlockDeclRefExpr>(E); 3113ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump clang::IdentifierInfo *Name = 0; 3114ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump if (BDRE) { 3115ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump const ValueDecl *D = BDRE->getDecl(); 3116ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump Name = &Idents.get(D->getName()); 3117ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump } 3118ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump QualType FieldType = E->getType(); 3119ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3120ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump if (BDRE && BDRE->isByRef()) 3121af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump FieldType = BuildByRefType(BDRE->getDecl()->getNameAsCString(), 3122af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump FieldType); 3123ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3124ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3125a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall Name, FieldType, /*TInfo=*/0, 3126ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump /*BitWidth=*/0, /*Mutable=*/false); 31272888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3128adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 3129adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 3130adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3131838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3132ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3133ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump return getPointerType(getTagDeclType(T)); 3134adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3135adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3136319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setObjCFastEnumerationStateType(QualType T) { 31376217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 3138319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid ObjCFAstEnumerationStateType"); 3139319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor ObjCFastEnumerationStateTypeDecl = Rec->getDecl(); 3140319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 3141319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 3142e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// This returns true if a type has been typedefed to BOOL: 3143e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// typedef <type> BOOL; 31442d99833e8c956775f2183601cd120b65b569c867Chris Lattnerstatic bool isTypeTypedefedAsBOOL(QualType T) { 3145e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (const TypedefType *TT = dyn_cast<TypedefType>(T)) 3146bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner if (IdentifierInfo *II = TT->getDecl()->getIdentifier()) 3147bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner return II->isStr("BOOL"); 31481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 314985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return false; 315085f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 315185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 3152a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingTypeSize returns size of type for objective-c encoding 315333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// purpose. 3154aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen DyckCharUnits ASTContext::getObjCEncodingTypeSize(QualType type) { 3155199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits sz = getTypeSizeInChars(type); 31561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 315733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Make all integer and enum types at least as large as an int 3158199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck if (sz.isPositive() && type->isIntegralType()) 3159199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = std::max(sz, getTypeSizeInChars(IntTy)); 316033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Treat arrays as pointers, since that's how they're passed in. 316133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian else if (type->isArrayType()) 3162199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = getTypeSizeInChars(VoidPtrTy); 3163aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck return sz; 3164199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck} 3165199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck 3166199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstatic inline 3167199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstd::string charUnitsToString(const CharUnits &CU) { 3168199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return llvm::itostr(CU.getQuantity()); 316933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 317033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 31716f46c2653c1545cc3fef0c0df996d18160160ce8Fariborz Jahanian/// getObjCEncodingForBlockDecl - Return the encoded type for this block 31725e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall/// declaration. 31735e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnallvoid ASTContext::getObjCEncodingForBlock(const BlockExpr *Expr, 31745e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall std::string& S) { 31755e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall const BlockDecl *Decl = Expr->getBlockDecl(); 31765e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType BlockTy = 31775e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Expr->getType()->getAs<BlockPointerType>()->getPointeeType(); 31785e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Encode result type. 31795e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall getObjCEncodingForType(cast<FunctionType>(BlockTy)->getResultType(), S); 31805e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Compute size of all parameters. 31815e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Start with computing size of a pointer in number of bytes. 31825e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // FIXME: There might(should) be a better way of doing this computation! 31835e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall SourceLocation Loc; 3184199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 3185199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = PtrSize; 31866f46c2653c1545cc3fef0c0df996d18160160ce8Fariborz Jahanian for (BlockDecl::param_const_iterator PI = Decl->param_begin(), 31875e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall E = Decl->param_end(); PI != E; ++PI) { 31885e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = (*PI)->getType(); 3189aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3190199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && "BlockExpr - Incomplete param type"); 31915e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset += sz; 31925e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 31935e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Size of the argument frame 3194199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 31955e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Block pointer and offset. 31965e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall S += "@?0"; 31975e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 31985e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 31995e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Argument types. 32005e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 32015e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall for (BlockDecl::param_const_iterator PI = Decl->param_begin(), E = 32025e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Decl->param_end(); PI != E; ++PI) { 32035e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmVarDecl *PVDecl = *PI; 32045e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = PVDecl->getOriginalType(); 32055e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (const ArrayType *AT = 32065e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 32075e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Use array's original type only if it has known number of 32085e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // elements. 32095e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (!isa<ConstantArrayType>(AT)) 32105e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 32115e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } else if (PType->isFunctionType()) 32125e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 32135e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall getObjCEncodingForType(PType, S); 3214199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 3215aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 32165e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 32175e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall} 32185e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 3219a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingForMethodDecl - Return the encoded type for this method 322033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// declaration. 32211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, 3222e6db3b09a79d4affaa5c7becbfb6bba3c08430c1Chris Lattner std::string& S) { 3223c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 3224ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Encode type qualifer, 'in', 'inout', etc. for the return type. 3225a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek getObjCEncodingForTypeQualifier(Decl->getObjCDeclQualifier(), S); 322633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Encode result type. 32270d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(Decl->getResultType(), S); 322833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Compute size of all parameters. 322933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Start with computing size of a pointer in number of bytes. 323033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // FIXME: There might(should) be a better way of doing this computation! 323133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian SourceLocation Loc; 3232199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 323333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // The first two arguments (self and _cmd) are pointers; account for 323433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // their size. 3235199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = 2 * PtrSize; 323689951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 32377732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 323889951a86b594513c2a013532ed45d197413b1087Chris Lattner QualType PType = (*PI)->getType(); 3239aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3240199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && 3241199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck "getObjCEncodingForMethodDecl - Incomplete param type"); 324233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset += sz; 324333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 3244199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 324533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian S += "@0:"; 3246199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(PtrSize); 32471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 324833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Argument types. 324933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset = 2 * PtrSize; 325089951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 32517732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 325289951a86b594513c2a013532ed45d197413b1087Chris Lattner ParmVarDecl *PVDecl = *PI; 32531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType PType = PVDecl->getOriginalType(); 32544306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian if (const ArrayType *AT = 3255ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 3256ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // Use array's original type only if it has known number of 3257ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // elements. 3258bb3fde337fb712c0e6da8790d431621be4793048Steve Naroff if (!isa<ConstantArrayType>(AT)) 3259ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 3260ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff } else if (PType->isFunctionType()) 3261ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 3262ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Process argument qualifiers for user supplied arguments; such as, 326333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // 'in', 'inout', etc. 32644306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian getObjCEncodingForTypeQualifier(PVDecl->getObjCDeclQualifier(), S); 32650d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(PType, S); 3266199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 3267aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 326833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 326933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 327033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 3271c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// getObjCEncodingForPropertyDecl - Return the encoded type for this 327283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// property declaration. If non-NULL, Container must be either an 3273c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// ObjCCategoryImplDecl or ObjCImplementationDecl; it should only be 3274c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// NULL when getting encodings for protocol properties. 32751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Property attributes are stored as a comma-delimited C string. The simple 32761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// attributes readonly and bycopy are encoded as single characters. The 32771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parametrized attributes, getter=name, setter=name, and ivar=name, are 32781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// encoded as single characters, followed by an identifier. Property types 32791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// are also encoded as a parametrized attribute. The characters used to encode 328083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// these attributes are defined by the following enumeration: 328183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @code 328283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// enum PropertyAttributes { 328383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyReadOnly = 'R', // property is read-only. 328483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyBycopy = 'C', // property is a copy of the value last assigned 328583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyByref = '&', // property is a reference to the value last assigned 328683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyDynamic = 'D', // property is dynamic 328783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyGetter = 'G', // followed by getter selector name 328883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertySetter = 'S', // followed by setter selector name 328983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyInstanceVariable = 'V' // followed by instance variable name 329083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyType = 't' // followed by old-style type encoding. 329183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyWeak = 'W' // 'weak' property 329283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyStrong = 'P' // property GC'able 329383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyNonAtomic = 'N' // property non-atomic 329483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// }; 329583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @endcode 32961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 3297c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 3298e6db3b09a79d4affaa5c7becbfb6bba3c08430c1Chris Lattner std::string& S) { 3299c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Collect information from the property implementation decl(s). 3300c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar bool Dynamic = false; 3301c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *SynthesizePID = 0; 3302c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3303c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: Duplicated code due to poor abstraction. 3304c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Container) { 33051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCCategoryImplDecl *CID = 3306c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar dyn_cast<ObjCCategoryImplDecl>(Container)) { 3307c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 330817945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = CID->propimpl_begin(), e = CID->propimpl_end(); 3309653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 3310c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 3311c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 3312c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 3313c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 3314c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3315c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 3316c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3317c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3318c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3319c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 332061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner const ObjCImplementationDecl *OID=cast<ObjCImplementationDecl>(Container); 3321c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 332217945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = OID->propimpl_begin(), e = OID->propimpl_end(); 3323653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 3324c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 3325c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 3326c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 3327c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 3328c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3329c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 3330c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3331c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 33321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 3333c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3334c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3335c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3336c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 3337c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S = "T"; 3338c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3339c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Encode result type. 3340090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // GCC has some special rules regarding encoding of properties which 3341090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // closely resembles encoding of ivars. 33421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PD->getType(), S, true, true, 0, 3343090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* outermost type */, 3344090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* encoding for property */); 3345c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3346c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->isReadOnly()) { 3347c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",R"; 3348c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3349c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar switch (PD->getSetterKind()) { 3350c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Assign: break; 3351c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Copy: S += ",C"; break; 33521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump case ObjCPropertyDecl::Retain: S += ",&"; break; 3353c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3354c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3355c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3356c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // It really isn't clear at all what this means, since properties 3357c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // are "dynamic by default". 3358c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Dynamic) 3359c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",D"; 3360c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3361090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_nonatomic) 3362090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian S += ",N"; 33631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3364c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_getter) { 3365c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",G"; 3366077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getGetterName().getAsString(); 3367c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3368c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3369c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_setter) { 3370c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",S"; 3371077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getSetterName().getAsString(); 3372c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3373c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3374c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (SynthesizePID) { 3375c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const ObjCIvarDecl *OID = SynthesizePID->getPropertyIvarDecl(); 3376c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",V"; 337739f34e97d6a468f0a7dfa5664c61217cffc65b74Chris Lattner S += OID->getNameAsString(); 3378c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3379c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3380c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: OBJCGC: weak & strong 3381c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar} 3382c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3383a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// getLegacyIntegralTypeEncoding - 33841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Another legacy compatibility encoding: 32-bit longs are encoded as 33851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 'l' or 'L' , but not always. For typedefs, we need to use 3386a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 'i' or 'I' instead if encoding a struct field, or a pointer! 3387a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 3388a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanianvoid ASTContext::getLegacyIntegralTypeEncoding (QualType &PointeeTy) const { 33898e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(PointeeTy.getTypePtr())) { 3390183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = PointeeTy->getAs<BuiltinType>()) { 3391c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian if (BT->getKind() == BuiltinType::ULong && 3392c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian ((const_cast<ASTContext *>(this))->getIntWidth(PointeeTy) == 32)) 3393a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = UnsignedIntTy; 33941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else 3395c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian if (BT->getKind() == BuiltinType::Long && 3396c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian ((const_cast<ASTContext *>(this))->getIntWidth(PointeeTy) == 32)) 3397a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = IntTy; 3398a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3399a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3400a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian} 3401a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 34027d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanianvoid ASTContext::getObjCEncodingForType(QualType T, std::string& S, 3403153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *Field) { 340482a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // We follow the behavior of gcc, expanding structures which are 340582a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // directly pointed to, and expanding embedded structures. Note that 340682a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // these rules are sufficient to prevent recursive encoding of the 340782a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // same type. 34081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(T, S, true, true, Field, 34095b8c7d9fb620ba3a71e996d61e7b9bdf763b5c09Fariborz Jahanian true /* outermost type */); 341082a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar} 341182a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar 34121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic void EncodeBitField(const ASTContext *Context, std::string& S, 3413153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *FD) { 34148b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian const Expr *E = FD->getBitWidth(); 34158b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian assert(E && "bitfield width not there - getObjCEncodingForTypeImpl"); 34168b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian ASTContext *Ctx = const_cast<ASTContext*>(Context); 34179a901bb63990574ff0bcc12ff851d7a71cff8ddbEli Friedman unsigned N = E->EvaluateAsInt(*Ctx).getZExtValue(); 34188b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'b'; 34198b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += llvm::utostr(N); 34208b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian} 34218b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian 342201eb9b9683535d8a65c704ad2c545903409e2d36Daniel Dunbar// FIXME: Use SmallString for accumulating string. 342382a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbarvoid ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S, 342482a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 342582a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 3426153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *FD, 3427090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType, 34286ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor bool EncodingProperty) { 3429183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = T->getAs<BuiltinType>()) { 3430ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (FD && FD->isBitField()) 3431ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return EncodeBitField(this, S, FD); 3432ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner char encoding; 3433ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner switch (BT->getKind()) { 34341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: assert(0 && "Unhandled builtin type kind"); 3435ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Void: encoding = 'v'; break; 3436ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Bool: encoding = 'B'; break; 3437ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Char_U: 3438ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::UChar: encoding = 'C'; break; 3439ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::UShort: encoding = 'S'; break; 3440ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::UInt: encoding = 'I'; break; 34411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump case BuiltinType::ULong: 34421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump encoding = 34431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump (const_cast<ASTContext *>(this))->getIntWidth(T) == 32 ? 'L' : 'Q'; 344472696e17f90d399448d360cb43aebe5eb2007d4fFariborz Jahanian break; 3445ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::UInt128: encoding = 'T'; break; 3446ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::ULongLong: encoding = 'Q'; break; 3447ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Char_S: 3448ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::SChar: encoding = 'c'; break; 3449ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Short: encoding = 's'; break; 3450ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Int: encoding = 'i'; break; 34511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump case BuiltinType::Long: 34521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump encoding = 34531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump (const_cast<ASTContext *>(this))->getIntWidth(T) == 32 ? 'l' : 'q'; 3454ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner break; 3455ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::LongLong: encoding = 'q'; break; 3456ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Int128: encoding = 't'; break; 3457ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Float: encoding = 'f'; break; 3458ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Double: encoding = 'd'; break; 3459ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::LongDouble: encoding = 'd'; break; 346043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 34611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3462ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += encoding; 3463ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3464ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 34651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3466183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) { 3467c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson S += 'j'; 34681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(CT->getElementType(), S, false, false, 0, false, 3469c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson false); 3470ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3471ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 347260bce3ef20a4c9684e3825cdd739fefb9810327dFariborz Jahanian 3473aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian // encoding for pointer or r3eference types. 3474aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian QualType PointeeTy; 34756217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType *PT = T->getAs<PointerType>()) { 34768d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (PT->isObjCSelType()) { 34778d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian S += ':'; 34788d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return; 34798d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian } 3480aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = PT->getPointeeType(); 3481aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian } 3482aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian else if (const ReferenceType *RT = T->getAs<ReferenceType>()) 3483aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = RT->getPointeeType(); 3484aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian if (!PointeeTy.isNull()) { 3485a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian bool isReadOnly = false; 3486a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // For historical/compatibility reasons, the read-only qualifier of the 3487a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // pointee gets emitted _before_ the '^'. The read-only qualifier of 3488a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // the pointer itself gets ignored, _unless_ we are looking at a typedef! 34891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Also, do not emit the 'r' for anything but the outermost type! 34908e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(T.getTypePtr())) { 3491a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (OutermostType && T.isConstQualified()) { 3492a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 3493a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 3494a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 34959fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else if (OutermostType) { 3496a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType P = PointeeTy; 34976217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek while (P->getAs<PointerType>()) 34986217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek P = P->getAs<PointerType>()->getPointeeType(); 3499a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (P.isConstQualified()) { 3500a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 3501a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 3502a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3503a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3504a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (isReadOnly) { 3505a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Another legacy compatibility encoding. Some ObjC qualifier and type 3506a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // combinations need to be rearranged. 3507a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Rewrite "in const" from "nr" to "rn" 35080237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer if (llvm::StringRef(S).endswith("nr")) 35090237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer S.replace(S.end()-2, S.end(), "rn"); 3510a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 35111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 351285f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson if (PointeeTy->isCharType()) { 351385f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // char pointer types should be encoded as '*' unless it is a 351485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // type that has been typedef'd to 'BOOL'. 3515e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (!isTypeTypedefedAsBOOL(PointeeTy)) { 351685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '*'; 351785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return; 351885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 35196217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek } else if (const RecordType *RTy = PointeeTy->getAs<RecordType>()) { 35209533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_class *" to "#". 35219533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_class")) { 35229533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '#'; 35239533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 35249533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 35259533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_object *" to "@". 35269533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_object")) { 35279533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '@'; 35289533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 35299533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 35309533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // fall through... 353185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 353285f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '^'; 3533a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(PointeeTy); 3534a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 35351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, false, ExpandPointedToStructures, 353643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian NULL); 3537ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3538ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 3539aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian 3540ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (const ArrayType *AT = 3541ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Ignore type qualifiers etc. 3542ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner dyn_cast<ArrayType>(T->getCanonicalTypeInternal())) { 3543559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson if (isa<IncompleteArrayType>(AT)) { 3544559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson // Incomplete arrays are encoded as a pointer to the array element. 3545559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '^'; 3546559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson 35471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 3548559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 3549559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } else { 3550559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '['; 35511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3552559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) 3553559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += llvm::utostr(CAT->getSize().getZExtValue()); 3554559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson else { 3555559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson //Variable length arrays are encoded as a regular array with 0 elements. 3556559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson assert(isa<VariableArrayType>(AT) && "Unknown array type!"); 3557559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '0'; 3558559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 35591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 3561559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 3562559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += ']'; 3563559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 3564ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3565ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 35661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3567183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (T->getAs<FunctionType>()) { 3568c0a87b7db06643178ad2cbce0767548c139ea387Anders Carlsson S += '?'; 3569ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3570ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 35711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35726217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const RecordType *RTy = T->getAs<RecordType>()) { 357382a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar RecordDecl *RDecl = RTy->getDecl(); 3574d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? '(' : '{'; 3575502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar // Anonymous structures print as '?' 3576502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar if (const IdentifierInfo *II = RDecl->getIdentifier()) { 3577502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += II->getName(); 35786fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian if (ClassTemplateSpecializationDecl *Spec 35796fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = dyn_cast<ClassTemplateSpecializationDecl>(RDecl)) { 35806fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); 35816fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian std::string TemplateArgsStr 35826fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = TemplateSpecializationType::PrintTemplateArgumentList( 35836fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian TemplateArgs.getFlatArgumentList(), 35846fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian TemplateArgs.flat_size(), 35856fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian (*this).PrintingPolicy); 35866fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian 35876fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian S += TemplateArgsStr; 35886fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian } 3589502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } else { 3590502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += '?'; 3591502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } 35920d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar if (ExpandStructures) { 35937d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian S += '='; 359417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (RecordDecl::field_iterator Field = RDecl->field_begin(), 359517945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis FieldEnd = RDecl->field_end(); 359644b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor Field != FieldEnd; ++Field) { 359743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (FD) { 3598d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += '"'; 359944b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor S += Field->getNameAsString(); 3600d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += '"'; 3601d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 36021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3603d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar // Special case bit-fields. 360443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (Field->isBitField()) { 36051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(Field->getType(), S, false, true, 360643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian (*Field)); 3607d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } else { 3608a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType qt = Field->getType(); 3609a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(qt); 36101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(qt, S, false, true, 361143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian FD); 3612d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 36137d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian } 36146de88a873a4cbe06d72602eef57d68006730a80bFariborz Jahanian } 3615d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? ')' : '}'; 3616ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3617ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 36181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3619ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isEnumeralType()) { 36208b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian if (FD && FD->isBitField()) 36218b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian EncodeBitField(this, S, FD); 36228b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian else 36238b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'i'; 3624ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3625ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 36261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3627ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isBlockPointerType()) { 362821a98b188857d690aa4510c52ac4317ffa0908a8Steve Naroff S += "@?"; // Unlike a pointer-to-function, which is "^?". 3629ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3630ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 36311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3632c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Ignore protocol qualifiers when mangling at this level. 3633c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const ObjCObjectType *OT = T->getAs<ObjCObjectType>()) 3634c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T = OT->getBaseType(); 3635c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 36360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (const ObjCInterfaceType *OIT = T->getAs<ObjCInterfaceType>()) { 363743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian // @encode(class_name) 36380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ObjCInterfaceDecl *OI = OIT->getDecl(); 363943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '{'; 364043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian const IdentifierInfo *II = OI->getIdentifier(); 364143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += II->getName(); 364243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '='; 3643f1690858344968358131f8d5690d9ee458883000Chris Lattner llvm::SmallVector<FieldDecl*, 32> RecFields; 364443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian CollectObjCIvars(OI, RecFields); 3645f1690858344968358131f8d5690d9ee458883000Chris Lattner for (unsigned i = 0, e = RecFields.size(); i != e; ++i) { 364643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (RecFields[i]->isBitField()) 36471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(RecFields[i]->getType(), S, false, true, 364843822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian RecFields[i]); 364943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian else 36501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(RecFields[i]->getType(), S, false, true, 365143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian FD); 365243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 365343822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '}'; 3654ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 365543822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 36561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3657183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = T->getAs<ObjCObjectPointerType>()) { 365814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (OPT->isObjCIdType()) { 365914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '@'; 366014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 3661ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 36621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 366327d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->isObjCClassType() || OPT->isObjCQualifiedClassType()) { 366427d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // FIXME: Consider if we need to output qualifiers for 'Class<p>'. 366527d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // Since this is a binary compatibility issue, need to consult with runtime 366627d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // folks. Fortunately, this is a *very* obsure construct. 366714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '#'; 366814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 3669ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 36701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3671ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (OPT->isObjCQualifiedIdType()) { 36721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(getObjCIdType(), S, 367314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandPointedToStructures, 367414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandStructures, FD); 367514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (FD || EncodingProperty) { 367614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Note that we do extended encoding of protocol qualifer list 367714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Only when doing ivar or property encoding. 367814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 367967ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 368067ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 368114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '<'; 368214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += (*I)->getNameAsString(); 368314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '>'; 368414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 368514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 368614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 368714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 3688ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 36891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3690ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner QualType PointeeTy = OPT->getPointeeType(); 3691ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (!EncodingProperty && 3692ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner isa<TypedefType>(PointeeTy.getTypePtr())) { 3693ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Another historical/compatibility reason. 36941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We encode the underlying type which comes out as 3695ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // {...}; 3696ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '^'; 36971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, 36981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump false, ExpandPointedToStructures, 3699ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner NULL); 370014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 370114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3702ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 3703ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '@'; 370427d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->getInterfaceDecl() && (FD || EncodingProperty)) { 3705ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 370627d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff S += OPT->getInterfaceDecl()->getIdentifier()->getName(); 370767ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 370867ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 3709ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '<'; 3710ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += (*I)->getNameAsString(); 3711ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '>'; 37121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 3713ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 3714ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 3715ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3716ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 37171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3718532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // gcc just blithely ignores member pointers. 3719532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // TODO: maybe there should be a mangling for these 3720532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall if (T->getAs<MemberPointerType>()) 3721532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall return; 3722532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall 3723ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner assert(0 && "@encode for type not implemented!"); 372485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 372585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 37261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 3727ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string& S) const { 3728ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_In) 3729ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'n'; 3730ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Inout) 3731ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'N'; 3732ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Out) 3733ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'o'; 3734ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Bycopy) 3735ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'O'; 3736ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Byref) 3737ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'R'; 3738ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Oneway) 3739ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'V'; 3740ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian} 3741ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 3742ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setBuiltinVaListType(QualType T) { 3743b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson assert(BuiltinVaListType.isNull() && "__builtin_va_list type already set!"); 37441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3745b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson BuiltinVaListType = T; 3746b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson} 3747b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 3748ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCIdType(QualType T) { 3749de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = T; 37507e219e47de26346885d667131977bd9ca2d7662aSteve Naroff} 37517e219e47de26346885d667131977bd9ca2d7662aSteve Naroff 3752ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCSelType(QualType T) { 375313dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = T; 3754b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian} 3755b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 3756ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCProtoType(QualType QT) { 3757a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtoType = QT; 3758390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian} 3759390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 3760ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCClassType(QualType T) { 3761de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = T; 37628baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson} 37638baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 3764a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid ASTContext::setObjCConstantStringInterface(ObjCInterfaceDecl *Decl) { 37651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(ObjCConstantStringType.isNull() && 37662198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff "'NSConstantString' type already set!"); 37671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3768a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = getObjCInterfaceType(Decl); 37692198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff} 37702198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 37710bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// \brief Retrieve the template name that corresponds to a non-empty 37720bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// lookup. 3773eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCallTemplateName ASTContext::getOverloadedTemplateName(UnresolvedSetIterator Begin, 3774eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall UnresolvedSetIterator End) { 37750bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall unsigned size = End - Begin; 37760bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(size > 1 && "set is not overloaded!"); 37777532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 37780bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall void *memory = Allocate(sizeof(OverloadedTemplateStorage) + 37790bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall size * sizeof(FunctionTemplateDecl*)); 37800bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *OT = new(memory) OverloadedTemplateStorage(size); 37810bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall 37820bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl **Storage = OT->getStorage(); 3783eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall for (UnresolvedSetIterator I = Begin; I != End; ++I) { 37840bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl *D = *I; 37850bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(isa<FunctionTemplateDecl>(D) || 37860bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall (isa<UsingShadowDecl>(D) && 37870bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall isa<FunctionTemplateDecl>(D->getUnderlyingDecl()))); 37880bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall *Storage++ = D; 37897532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 37907532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 37910bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall return TemplateName(OT); 37927532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 37937532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 3794d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// \brief Retrieve the template name that represents a qualified 3795d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// template name such as \c std::vector. 37961eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateName ASTContext::getQualifiedTemplateName(NestedNameSpecifier *NNS, 3797d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor bool TemplateKeyword, 37980bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall TemplateDecl *Template) { 3799789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor // FIXME: Canonicalization? 3800d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor llvm::FoldingSetNodeID ID; 3801d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName::Profile(ID, NNS, TemplateKeyword, Template); 38021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3803d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor void *InsertPos = 0; 3804d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName *QTN = 38050bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall QualifiedTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 3806d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor if (!QTN) { 3807d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QTN = new (*this,4) QualifiedTemplateName(NNS, TemplateKeyword, Template); 3808d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateNames.InsertNode(QTN, InsertPos); 3809d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor } 38101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3811d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor return TemplateName(QTN); 3812d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor} 3813d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor 38147532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Retrieve the template name that represents a dependent 38157532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template name such as \c MetaFun::template apply. 38161eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateName ASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 38177532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const IdentifierInfo *Name) { 38181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert((!NNS || NNS->isDependent()) && 38193b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor "Nested name specifier must be dependent"); 38207532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 38217532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSetNodeID ID; 38227532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName::Profile(ID, NNS, Name); 38237532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 38247532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor void *InsertPos = 0; 38257532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName *QTN = 38267532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 38277532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 38287532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (QTN) 38297532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 38307532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 38317532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 38327532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (CanonNNS == NNS) { 38337532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name); 38347532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } else { 38357532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Name); 38367532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name, Canon); 3837789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN = 3838789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 3839789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent type name canonicalization broken"); 3840789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 38417532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 38427532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 38437532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 38447532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 38457532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 38467532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 3847ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Retrieve the template name that represents a dependent 3848ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// template name such as \c MetaFun::template operator+. 3849ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorTemplateName 3850ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 3851ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor OverloadedOperatorKind Operator) { 3852ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor assert((!NNS || NNS->isDependent()) && 3853ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor "Nested name specifier must be dependent"); 3854ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3855ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor llvm::FoldingSetNodeID ID; 3856ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateName::Profile(ID, NNS, Operator); 3857ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3858ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor void *InsertPos = 0; 3859789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *QTN 3860789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 3861ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3862ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (QTN) 3863ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 3864ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3865ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 3866ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (CanonNNS == NNS) { 3867ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator); 3868ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else { 3869ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Operator); 3870ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator, Canon); 3871789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 3872789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN 3873789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 3874789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent template name canonicalization broken"); 3875789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 3876ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 3877ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3878ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 3879ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 3880ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor} 3881ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3882b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor/// getFromTargetType - Given one of the integer types provided by 3883d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// TargetInfo, produce the corresponding type. The unsigned @p Type 3884d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// is actually a value of type @c TargetInfo::IntType. 3885e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallCanQualType ASTContext::getFromTargetType(unsigned Type) const { 3886b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor switch (Type) { 3887e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall case TargetInfo::NoInt: return CanQualType(); 3888b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedShort: return ShortTy; 3889b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedShort: return UnsignedShortTy; 3890b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedInt: return IntTy; 3891b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedInt: return UnsignedIntTy; 3892b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLong: return LongTy; 3893b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLong: return UnsignedLongTy; 3894b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLongLong: return LongLongTy; 3895b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLongLong: return UnsignedLongLongTy; 3896b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor } 3897b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 3898b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor assert(false && "Unhandled TargetInfo::IntType value"); 3899e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall return CanQualType(); 3900b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor} 3901b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 3902b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 3903b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek// Type Predicates. 3904b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 3905b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 3906fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// isObjCNSObjectType - Return true if this is an NSObject object using 3907fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// NSObject attribute on a c-style pointer type. 3908fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// FIXME - Make it work directly on types. 3909f49545602089be5b1f744e04326b8a566f6d8773Steve Naroff/// FIXME: Move to Type. 3910fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// 3911fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanianbool ASTContext::isObjCNSObjectType(QualType Ty) const { 3912fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian if (TypedefType *TDT = dyn_cast<TypedefType>(Ty)) { 3913fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian if (TypedefDecl *TD = TDT->getDecl()) 391440b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (TD->getAttr<ObjCNSObjectAttr>()) 3915fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian return true; 3916fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian } 39171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return false; 3918fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian} 3919fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian 39204fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's 39214fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// garbage collection attribute. 39224fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// 39230953e767ff7817f97b3ab20896b229891eeff45bJohn McCallQualifiers::GC ASTContext::getObjCGCAttrKind(const QualType &Ty) const { 39240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GCAttrs = Qualifiers::GCNone; 39254fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian if (getLangOptions().ObjC1 && 39264fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian getLangOptions().getGCMode() != LangOptions::NonGC) { 3927b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner GCAttrs = Ty.getObjCGCAttr(); 39284fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian // Default behavious under objective-c's gc is for objective-c pointers 39291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // (or pointers to them) be treated as though they were declared 3930a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian // as __strong. 39310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GCAttrs == Qualifiers::GCNone) { 393275212ee91313bc1b6dd826d9b173541bc4016539Fariborz Jahanian if (Ty->isObjCObjectPointerType() || Ty->isBlockPointerType()) 39330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall GCAttrs = Qualifiers::Strong; 3934a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian else if (Ty->isPointerType()) 39356217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek return getObjCGCAttrKind(Ty->getAs<PointerType>()->getPointeeType()); 3936a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian } 3937c2112181b96349eb595dc5e8b7073b81ecdec0dbFariborz Jahanian // Non-pointers have none gc'able attribute regardless of the attribute 3938c2112181b96349eb595dc5e8b7073b81ecdec0dbFariborz Jahanian // set on them. 3939f49545602089be5b1f744e04326b8a566f6d8773Steve Naroff else if (!Ty->isAnyPointerType() && !Ty->isBlockPointerType()) 39400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qualifiers::GCNone; 39414fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian } 3942b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner return GCAttrs; 39434fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian} 39444fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian 39456ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 39466ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner// Type Compatibility Testing 39476ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 3948770951b5bb6028a8d326ddb4a13cef7d4a128162Chris Lattner 39491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// areCompatVectorTypes - Return true if the two specified vector types are 39506ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner/// compatible. 39516ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattnerstatic bool areCompatVectorTypes(const VectorType *LHS, 39526ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner const VectorType *RHS) { 3953467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(LHS->isCanonicalUnqualified() && RHS->isCanonicalUnqualified()); 39546ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return LHS->getElementType() == RHS->getElementType() && 395561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner LHS->getNumElements() == RHS->getNumElements(); 39566ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 39576ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 39584084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 39594084c306635b70f37029dca938444e6013f08684Steve Naroff// ObjCQualifiedIdTypesAreCompatible - Compatibility testing for qualified id's. 39604084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 39614084c306635b70f37029dca938444e6013f08684Steve Naroff 39624084c306635b70f37029dca938444e6013f08684Steve Naroff/// ProtocolCompatibleWithProtocol - return 'true' if 'lProto' is in the 39634084c306635b70f37029dca938444e6013f08684Steve Naroff/// inheritance hierarchy of 'rProto'. 39640fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanianbool ASTContext::ProtocolCompatibleWithProtocol(ObjCProtocolDecl *lProto, 39650fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian ObjCProtocolDecl *rProto) { 39664084c306635b70f37029dca938444e6013f08684Steve Naroff if (lProto == rProto) 396714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return true; 39684084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCProtocolDecl::protocol_iterator PI = rProto->protocol_begin(), 39694084c306635b70f37029dca938444e6013f08684Steve Naroff E = rProto->protocol_end(); PI != E; ++PI) 39704084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lProto, *PI)) 39714084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 39724084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 39734084c306635b70f37029dca938444e6013f08684Steve Naroff} 397414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 39754084c306635b70f37029dca938444e6013f08684Steve Naroff/// QualifiedIdConformsQualifiedId - compare id<p,...> with id<p1,...> 39764084c306635b70f37029dca938444e6013f08684Steve Naroff/// return true if lhs's protocols conform to rhs's protocol; false 39774084c306635b70f37029dca938444e6013f08684Steve Naroff/// otherwise. 39784084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::QualifiedIdConformsQualifiedId(QualType lhs, QualType rhs) { 39794084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhs->isObjCQualifiedIdType() && rhs->isObjCQualifiedIdType()) 39804084c306635b70f37029dca938444e6013f08684Steve Naroff return ObjCQualifiedIdTypesAreCompatible(lhs, rhs, false); 39814084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 39824084c306635b70f37029dca938444e6013f08684Steve Naroff} 39834084c306635b70f37029dca938444e6013f08684Steve Naroff 39844084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIdTypesAreCompatible - We know that one of lhs/rhs is an 39854084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIDType. 39864084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::ObjCQualifiedIdTypesAreCompatible(QualType lhs, QualType rhs, 39874084c306635b70f37029dca938444e6013f08684Steve Naroff bool compare) { 39884084c306635b70f37029dca938444e6013f08684Steve Naroff // Allow id<P..> and an 'id' or void* type in all cases. 39891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isVoidPointerType() || 39904084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->isObjCIdType() || lhs->isObjCClassType()) 39914084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 39921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else if (rhs->isVoidPointerType() || 39934084c306635b70f37029dca938444e6013f08684Steve Naroff rhs->isObjCIdType() || rhs->isObjCClassType()) 39944084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 39954084c306635b70f37029dca938444e6013f08684Steve Naroff 39964084c306635b70f37029dca938444e6013f08684Steve Naroff if (const ObjCObjectPointerType *lhsQID = lhs->getAsObjCQualifiedIdType()) { 3997183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 39981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 39994084c306635b70f37029dca938444e6013f08684Steve Naroff if (!rhsOPT) return false; 40001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 40014084c306635b70f37029dca938444e6013f08684Steve Naroff if (rhsOPT->qual_empty()) { 40021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a unqualified interface pointer "NSString*", 40034084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 40044084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 40054084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 40064084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 40074084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 40084084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 40094084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 40100fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (!rhsID->ClassImplementsProtocol(*I, true)) 40114084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 40124084c306635b70f37029dca938444e6013f08684Steve Naroff } 40134084c306635b70f37029dca938444e6013f08684Steve Naroff } 40144084c306635b70f37029dca938444e6013f08684Steve Naroff // If there are no qualifiers and no interface, we have an 'id'. 40154084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 40164084c306635b70f37029dca938444e6013f08684Steve Naroff } 40171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Both the right and left sides have qualifiers. 40184084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 40194084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 40204084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 40214084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 4022de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff 4023de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // when comparing an id<P> on lhs with a static type on rhs, 4024de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // see if static class implements all of id's protocols, directly or 4025de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // through its super class and categories. 40264084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 40274084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsOPT->qual_end(); J != E; ++J) { 40284084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 40294084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 40304084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 40314084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 40328f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 40338f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 4034de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 40351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a qualified interface pointer "NSString<P>*", 40364084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 40374084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 40384084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 40394084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 40404084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 40414084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 40424084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 40430fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (rhsID->ClassImplementsProtocol(*I, true)) { 40444084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 40454084c306635b70f37029dca938444e6013f08684Steve Naroff break; 40464084c306635b70f37029dca938444e6013f08684Steve Naroff } 40474084c306635b70f37029dca938444e6013f08684Steve Naroff } 40484084c306635b70f37029dca938444e6013f08684Steve Naroff } 40494084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 4050de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return false; 4051de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 40521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4053de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return true; 4054de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 40551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 40564084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *rhsQID = rhs->getAsObjCQualifiedIdType(); 40574084c306635b70f37029dca938444e6013f08684Steve Naroff assert(rhsQID && "One of the LHS/RHS should be id<x>"); 40584084c306635b70f37029dca938444e6013f08684Steve Naroff 40591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCObjectPointerType *lhsOPT = 40604084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->getAsObjCInterfacePointerType()) { 40614084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhsOPT->qual_empty()) { 40624084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 40634084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *lhsID = lhsOPT->getInterfaceDecl()) { 40644084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = rhsQID->qual_begin(), 40654084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); I != E; ++I) { 40664084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 40674084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 40684084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 40690fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (lhsID->ClassImplementsProtocol(*I, true)) { 40704084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 40714084c306635b70f37029dca938444e6013f08684Steve Naroff break; 40724084c306635b70f37029dca938444e6013f08684Steve Naroff } 40734084c306635b70f37029dca938444e6013f08684Steve Naroff } 40744084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 40754084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 40764084c306635b70f37029dca938444e6013f08684Steve Naroff } 40774084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 40784084c306635b70f37029dca938444e6013f08684Steve Naroff } 40791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Both the right and left sides have qualifiers. 40804084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsOPT->qual_begin(), 40814084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsOPT->qual_end(); I != E; ++I) { 40824084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 40834084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 40844084c306635b70f37029dca938444e6013f08684Steve Naroff 40854084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 40864084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 40874084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 40884084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 40894084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); J != E; ++J) { 40904084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 40914084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 40924084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 40934084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 40944084c306635b70f37029dca938444e6013f08684Steve Naroff break; 40954084c306635b70f37029dca938444e6013f08684Steve Naroff } 40964084c306635b70f37029dca938444e6013f08684Steve Naroff } 40974084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 40984084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 40994084c306635b70f37029dca938444e6013f08684Steve Naroff } 41004084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 41014084c306635b70f37029dca938444e6013f08684Steve Naroff } 41024084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 41034084c306635b70f37029dca938444e6013f08684Steve Naroff} 41044084c306635b70f37029dca938444e6013f08684Steve Naroff 41054084c306635b70f37029dca938444e6013f08684Steve Naroff/// canAssignObjCInterfaces - Return true if the two interface types are 41064084c306635b70f37029dca938444e6013f08684Steve Naroff/// compatible for assignment from RHS to LHS. This handles validation of any 41074084c306635b70f37029dca938444e6013f08684Steve Naroff/// protocol qualifiers on the LHS or RHS. 41084084c306635b70f37029dca938444e6013f08684Steve Naroff/// 41094084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::canAssignObjCInterfaces(const ObjCObjectPointerType *LHSOPT, 41104084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *RHSOPT) { 4111c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 4112c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 4113c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 41144084c306635b70f37029dca938444e6013f08684Steve Naroff // If either type represents the built-in 'id' or 'Class' types, return true. 4115c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCUnqualifiedIdOrClass() || 4116c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHS->isObjCUnqualifiedIdOrClass()) 41174084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 41184084c306635b70f37029dca938444e6013f08684Steve Naroff 4119c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCQualifiedId() || RHS->isObjCQualifiedId()) 41201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 41211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType(RHSOPT,0), 41224084c306635b70f37029dca938444e6013f08684Steve Naroff false); 41234084c306635b70f37029dca938444e6013f08684Steve Naroff 4124c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If we have 2 user-defined types, fall into that path. 4125c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->getInterface() && RHS->getInterface()) 41264084c306635b70f37029dca938444e6013f08684Steve Naroff return canAssignObjCInterfaces(LHS, RHS); 41271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41284084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 412914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 413014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4131132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// canAssignObjCInterfacesInBlockPointer - This routine is specifically written 4132132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// for providing type-safty for objective-c pointers used to pass/return 4133132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// arguments in block literals. When passed as arguments, passing 'A*' where 4134132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// 'id' is expected is not OK. Passing 'Sub *" where 'Super *" is expected is 4135132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// not OK. For the return type, the opposite is not OK. 4136132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::canAssignObjCInterfacesInBlockPointer( 4137132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *LHSOPT, 4138132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *RHSOPT) { 4139a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (RHSOPT->isObjCBuiltinType() || LHSOPT->isObjCIdType()) 4140132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4141132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4142132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHSOPT->isObjCBuiltinType()) { 4143132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return RHSOPT->isObjCBuiltinType() || RHSOPT->isObjCQualifiedIdType(); 4144132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4145132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4146a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (LHSOPT->isObjCQualifiedIdType() || RHSOPT->isObjCQualifiedIdType()) 4147132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 4148132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType(RHSOPT,0), 4149132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian false); 4150132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4151132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* LHS = LHSOPT->getInterfaceType(); 4152132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* RHS = RHSOPT->getInterfaceType(); 4153132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS && RHS) { // We have 2 user-defined types. 4154132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS != RHS) { 4155132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS->getDecl()->isSuperClassOf(RHS->getDecl())) 4156132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return false; 4157132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (RHS->getDecl()->isSuperClassOf(LHS->getDecl())) 4158132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4159132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4160132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 4161132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4162132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4163132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return false; 4164132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 4165132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4166e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// getIntersectionOfProtocols - This routine finds the intersection of set 4167e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// of protocols inherited from two distinct objective-c pointer objects. 4168e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// It is used to build composite qualifier list of the composite type of 4169e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// the conditional expression involving two objective-c pointer objects. 4170e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianstatic 4171e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid getIntersectionOfProtocols(ASTContext &Context, 4172e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *LHSOPT, 4173e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *RHSOPT, 4174e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallVectorImpl<ObjCProtocolDecl *> &IntersectionOfProtocols) { 4175e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4176c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 4177c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 4178c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS must have an interface base"); 4179c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS must have an interface base"); 4180e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4181e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> InheritedProtocolSet; 4182e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned LHSNumProtocols = LHS->getNumProtocols(); 4183e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (LHSNumProtocols > 0) 4184e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHS->qual_begin(), LHS->qual_end()); 4185e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 4186432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 4187c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(LHS->getInterface(), 4188c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSInheritedProtocols); 4189e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHSInheritedProtocols.begin(), 4190e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian LHSInheritedProtocols.end()); 4191e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4192e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4193e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned RHSNumProtocols = RHS->getNumProtocols(); 4194e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (RHSNumProtocols > 0) { 4195cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman ObjCProtocolDecl **RHSProtocols = 4196cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman const_cast<ObjCProtocolDecl **>(RHS->qual_begin()); 4197e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (unsigned i = 0; i < RHSNumProtocols; ++i) 4198e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (InheritedProtocolSet.count(RHSProtocols[i])) 4199e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian IntersectionOfProtocols.push_back(RHSProtocols[i]); 4200e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4201e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 4202432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> RHSInheritedProtocols; 4203c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(RHS->getInterface(), 4204c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSInheritedProtocols); 4205432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 4206432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian RHSInheritedProtocols.begin(), 4207432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian E = RHSInheritedProtocols.end(); I != E; ++I) 4208432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian if (InheritedProtocolSet.count((*I))) 4209432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian IntersectionOfProtocols.push_back((*I)); 4210e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4211e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 4212e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4213db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// areCommonBaseCompatible - Returns common base class of the two classes if 4214db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// one found. Note that this is O'2 algorithm. But it will be called as the 4215db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// last type comparison in a ?-exp of ObjC pointer types before a 4216db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// warning is issued. So, its invokation is extremely rare. 4217db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz JahanianQualType ASTContext::areCommonBaseCompatible( 4218c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Lptr, 4219c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Rptr) { 4220c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *LHS = Lptr->getObjectType(); 4221c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS = Rptr->getObjectType(); 4222c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* LDecl = LHS->getInterface(); 4223c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* RDecl = RHS->getInterface(); 4224c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!LDecl || !RDecl) 4225db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 4226db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4227c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall while ((LDecl = LDecl->getSuperClass())) { 4228c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHS = cast<ObjCInterfaceType>(getObjCInterfaceType(LDecl)); 4229e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (canAssignObjCInterfaces(LHS, RHS)) { 4230c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::SmallVector<ObjCProtocolDecl *, 8> Protocols; 4231c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getIntersectionOfProtocols(*this, Lptr, Rptr, Protocols); 4232c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4233c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType Result = QualType(LHS, 0); 4234c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!Protocols.empty()) 4235c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectType(Result, Protocols.data(), Protocols.size()); 4236c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectPointerType(Result); 4237c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return Result; 4238e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4239db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian } 4240db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4241db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 4242db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian} 4243db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4244c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallbool ASTContext::canAssignObjCInterfaces(const ObjCObjectType *LHS, 4245c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS) { 4246c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS is not an interface type"); 4247c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS is not an interface type"); 4248c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 42496ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Verify that the base decls are compatible: the RHS must be a subclass of 42506ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // the LHS. 4251c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!LHS->getInterface()->isSuperClassOf(RHS->getInterface())) 42526ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return false; 42531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 42546ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // RHS must have a superset of the protocols in the LHS. If the LHS is not 42556ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // protocol qualified at all, then we are good. 4256c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (LHS->getNumProtocols() == 0) 42576ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; 42581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 42596ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Okay, we know the LHS has protocol qualifiers. If the RHS doesn't, then it 42606ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // isn't a superset. 4261c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (RHS->getNumProtocols() == 0) 42626ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; // FIXME: should return false! 42631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4264c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator LHSPI = LHS->qual_begin(), 4265c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSPE = LHS->qual_end(); 426691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff LHSPI != LHSPE; LHSPI++) { 426791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff bool RHSImplementsProtocol = false; 426891b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff 426991b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // If the RHS doesn't implement the protocol on the left, the types 427091b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // are incompatible. 4271c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator RHSPI = RHS->qual_begin(), 4272c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSPE = RHS->qual_end(); 42738f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff RHSPI != RHSPE; RHSPI++) { 42748f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff if ((*RHSPI)->lookupProtocolNamed((*LHSPI)->getIdentifier())) { 427591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff RHSImplementsProtocol = true; 42768f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 42778f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 427891b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 427991b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // FIXME: For better diagnostics, consider passing back the protocol name. 428091b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff if (!RHSImplementsProtocol) 428191b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return false; 428291b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 428391b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // The RHS implements all protocols listed on the LHS. 428491b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return true; 42856ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 42866ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 4287389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroffbool ASTContext::areComparableObjCPointerTypes(QualType LHS, QualType RHS) { 4288389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff // get the "pointed to" types 4289183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *LHSOPT = LHS->getAs<ObjCObjectPointerType>(); 4290183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *RHSOPT = RHS->getAs<ObjCObjectPointerType>(); 42911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 429214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (!LHSOPT || !RHSOPT) 4293389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return false; 429414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 429514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return canAssignObjCInterfaces(LHSOPT, RHSOPT) || 429614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff canAssignObjCInterfaces(RHSOPT, LHSOPT); 4297389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff} 4298389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff 42991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typesAreCompatible - C99 6.7.3p9: For two qualified types to be compatible, 4300ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// both shall have the identically qualified version of a compatible type. 43011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// C99 6.2.7p1: Two types have compatible types if their types are the 4302ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// same. See 6.7.[2,3,5] for additional rules. 43033d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedmanbool ASTContext::typesAreCompatible(QualType LHS, QualType RHS) { 43040e709abafbd939326850501f795cc7a92c88a354Douglas Gregor if (getLangOptions().CPlusPlus) 43050e709abafbd939326850501f795cc7a92c88a354Douglas Gregor return hasSameType(LHS, RHS); 43060e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 43073d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return !mergeTypes(LHS, RHS).isNull(); 43083d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 43093d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4310132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::typesAreBlockPointerCompatible(QualType LHS, QualType RHS) { 4311132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return !mergeTypes(LHS, RHS, true).isNull(); 4312132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 4313132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4314132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeFunctionTypes(QualType lhs, QualType rhs, 4315132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian bool OfBlockPointer) { 4316183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *lbase = lhs->getAs<FunctionType>(); 4317183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *rbase = rhs->getAs<FunctionType>(); 431872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *lproto = dyn_cast<FunctionProtoType>(lbase); 431972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *rproto = dyn_cast<FunctionProtoType>(rbase); 43203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allLTypes = true; 43213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allRTypes = true; 43223d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 43233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check return type 4324132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType retType; 4325132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (OfBlockPointer) 4326132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian retType = mergeTypes(rbase->getResultType(), lbase->getResultType(), true); 4327132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 4328132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian retType = mergeTypes(lbase->getResultType(), rbase->getResultType()); 43293d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (retType.isNull()) return QualType(); 43306de8b62ae42818c0bd8878b0d1900e17c7c43e0eFariborz Jahanian if (getCanonicalType(retType) != getCanonicalType(lbase->getResultType())) 433161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 43326de8b62ae42818c0bd8878b0d1900e17c7c43e0eFariborz Jahanian if (getCanonicalType(retType) != getCanonicalType(rbase->getResultType())) 433361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 43346a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: double check this 43356a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: should we error if lbase->getRegParmAttr() != 0 && 43366a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // rbase->getRegParmAttr() != 0 && 43376a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // lbase->getRegParmAttr() != rbase->getRegParmAttr()? 4338264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo lbaseInfo = lbase->getExtInfo(); 4339264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo rbaseInfo = rbase->getExtInfo(); 43406a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar unsigned RegParm = lbaseInfo.getRegParm() == 0 ? rbaseInfo.getRegParm() : 43416a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar lbaseInfo.getRegParm(); 43426a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar bool NoReturn = lbaseInfo.getNoReturn() || rbaseInfo.getNoReturn(); 43436a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar if (NoReturn != lbaseInfo.getNoReturn() || 43446a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar RegParm != lbaseInfo.getRegParm()) 43456a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allLTypes = false; 43466a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar if (NoReturn != rbaseInfo.getNoReturn() || 43476a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar RegParm != rbaseInfo.getRegParm()) 43486a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allRTypes = false; 4349264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola CallingConv lcc = lbaseInfo.getCC(); 4350264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola CallingConv rcc = rbaseInfo.getCC(); 4351ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor // Compatible functions must have compatible calling conventions 435204a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (!isSameCallConv(lcc, rcc)) 4353ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor return QualType(); 43541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43553d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto && rproto) { // two C99 style function prototypes 4356465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!lproto->hasExceptionSpec() && !rproto->hasExceptionSpec() && 4357465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl "C++ shouldn't be here"); 43583d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned lproto_nargs = lproto->getNumArgs(); 43593d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned rproto_nargs = rproto->getNumArgs(); 43603d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 43613d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Compatible functions must have the same number of arguments 43623d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto_nargs != rproto_nargs) 43633d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 43643d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 43653d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Variadic and non-variadic functions aren't compatible 43663d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto->isVariadic() != rproto->isVariadic()) 43673d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 43683d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 43697fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis if (lproto->getTypeQuals() != rproto->getTypeQuals()) 43707fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis return QualType(); 43717fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis 43723d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check argument compatibility 43733d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman llvm::SmallVector<QualType, 10> types; 43743d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < lproto_nargs; i++) { 43753d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType largtype = lproto->getArgType(i).getUnqualifiedType(); 43763d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType rargtype = rproto->getArgType(i).getUnqualifiedType(); 4377132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType argtype = mergeTypes(largtype, rargtype, OfBlockPointer); 43783d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argtype.isNull()) return QualType(); 43793d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman types.push_back(argtype); 438061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(largtype)) 438161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 438261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(rargtype)) 438361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 43843d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 43853d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 43863d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 43873d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, types.begin(), types.size(), 43882455636163fdd18581d7fdae816433f886d88213Mike Stump lproto->isVariadic(), lproto->getTypeQuals(), 4389264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, false, 0, 0, 4390425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo(NoReturn, RegParm, lcc)); 43913d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 43923d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 43933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto) allRTypes = false; 43943d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (rproto) allLTypes = false; 43953d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 439672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *proto = lproto ? lproto : rproto; 43973d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto) { 4398465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!proto->hasExceptionSpec() && "C++ shouldn't be here"); 43993d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto->isVariadic()) return QualType(); 44003d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check that the types are compatible with the types that 44013d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // would result from default argument promotions (C99 6.7.5.3p15). 44023d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // The only types actually affected are promotable integer 44033d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // types and floats, which would be passed as a different 44043d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // type depending on whether the prototype is visible. 44053d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned proto_nargs = proto->getNumArgs(); 44063d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < proto_nargs; ++i) { 44073d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType argTy = proto->getArgType(i); 4408b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 4409b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // Look at the promotion type of enum types, since that is the type used 4410b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // to pass enum values. 4411b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor if (const EnumType *Enum = argTy->getAs<EnumType>()) 4412b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor argTy = Enum->getDecl()->getPromotionType(); 4413b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 44143d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argTy->isPromotableIntegerType() || 44153d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman getCanonicalType(argTy).getUnqualifiedType() == FloatTy) 44163d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 44173d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 44183d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 44193d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 44203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 44213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, proto->arg_type_begin(), 44222d3c191e1d5545e1724ee6e0550c70eef54beff2Mike Stump proto->getNumArgs(), proto->isVariadic(), 4423264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola proto->getTypeQuals(), 4424264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, false, 0, 0, 4425425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo(NoReturn, RegParm, lcc)); 44263d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 44273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 44283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 44293d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 4430425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo Info(NoReturn, RegParm, lcc); 4431264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getFunctionNoProtoType(retType, Info); 44323d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 44333d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4434132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeTypes(QualType LHS, QualType RHS, 4435132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian bool OfBlockPointer) { 443643d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // C++ [expr]: If an expression initially has the type "reference to T", the 443743d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // type is adjusted to "T" prior to any further analysis, the expression 443843d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // designates the object or function denoted by the reference, and the 44397c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // expression is an lvalue unless the reference is an rvalue reference and 44407c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // the expression is a function call (possibly inside parentheses). 44410e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!LHS->getAs<ReferenceType>() && "LHS is a reference type?"); 44420e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!RHS->getAs<ReferenceType>() && "RHS is a reference type?"); 44430e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 44443d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSCan = getCanonicalType(LHS), 44453d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman RHSCan = getCanonicalType(RHS); 44463d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4447f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner // If two types are identical, they are compatible. 44483d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LHSCan == RHSCan) 44493d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 44503d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 44510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the qualifiers are different, the types aren't compatible... mostly. 4452a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers LQuals = LHSCan.getLocalQualifiers(); 4453a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers RQuals = RHSCan.getLocalQualifiers(); 44540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals != RQuals) { 44550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If any of these qualifiers are different, we have a type 44560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // mismatch. 44570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 44580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall LQuals.getAddressSpace() != RQuals.getAddressSpace()) 44590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 44600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 44610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Exactly one GC qualifier difference is allowed: __strong is 44620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // okay if the other type has no GC qualifier but is an Objective 44630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // C object pointer (i.e. implicitly strong by default). We fix 44640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // this by pretending that the unqualified type was actually 44650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualified __strong. 44660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 44670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 44680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 44690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 44700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 44710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 44720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 44730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Strong && RHSCan->isObjCObjectPointerType()) { 44740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(LHS, getObjCGCQualType(RHS, Qualifiers::Strong)); 44750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 44760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_R == Qualifiers::Strong && LHSCan->isObjCObjectPointerType()) { 44770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(getObjCGCQualType(LHS, Qualifiers::Strong), RHS); 44780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 44793d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 44800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 44810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 44820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Okay, qualifiers are equal. 44833d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4484852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass LHSClass = LHSCan->getTypeClass(); 4485852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass RHSClass = RHSCan->getTypeClass(); 4486f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner 44871adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // We want to consider the two function types to be the same for these 44881adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // comparisons, just force one to the other. 44891adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (LHSClass == Type::FunctionProto) LHSClass = Type::FunctionNoProto; 44901adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (RHSClass == Type::FunctionProto) RHSClass = Type::FunctionNoProto; 44914c721d381fb279899337d120edd4a24d405e56b2Eli Friedman 44924c721d381fb279899337d120edd4a24d405e56b2Eli Friedman // Same as above for arrays 4493a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (LHSClass == Type::VariableArray || LHSClass == Type::IncompleteArray) 4494a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner LHSClass = Type::ConstantArray; 4495a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (RHSClass == Type::VariableArray || RHSClass == Type::IncompleteArray) 4496a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner RHSClass = Type::ConstantArray; 44971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4498c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // ObjCInterfaces are just specialized ObjCObjects. 4499c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHSClass == Type::ObjCInterface) LHSClass = Type::ObjCObject; 4500c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (RHSClass == Type::ObjCInterface) RHSClass = Type::ObjCObject; 4501c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4502213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman // Canonicalize ExtVector -> Vector. 4503213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (LHSClass == Type::ExtVector) LHSClass = Type::Vector; 4504213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (RHSClass == Type::ExtVector) RHSClass = Type::Vector; 45051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 45064e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff // If the canonical type classes don't match. 45074e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff if (LHSClass != RHSClass) { 45081adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // C99 6.7.2.2p4: Each enumerated type shall be compatible with char, 45091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // a signed integer type, or an unsigned integer type. 4510842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // Compatibility is based on the underlying type, not the promotion 4511842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // type. 4512183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = LHS->getAs<EnumType>()) { 45133d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == RHSCan.getUnqualifiedType()) 45143d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 4515bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 4516183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = RHS->getAs<EnumType>()) { 45173d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == LHSCan.getUnqualifiedType()) 45183d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 4519bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 45201adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner 45213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 4522ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 45233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 45244a74678ed6c3dedac05d02b1ee341f1db869f049Steve Naroff // The canonical type classes match. 45251adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner switch (LHSClass) { 452672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 452772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 4528ad5e73887052193afda72db8efcb812bd083a4a8John McCall#define NON_CANONICAL_UNLESS_DEPENDENT_TYPE(Class, Base) case Type::Class: 452972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 453072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 453172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 453272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Non-canonical and dependent types shouldn't get here"); 453372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 453472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 45357c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::LValueReference: 45367c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::RValueReference: 453772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::MemberPointer: 453872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "C++ should never be in mergeTypes"); 453972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 454072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 4541c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCInterface: 454272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 454372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::VariableArray: 454472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::FunctionProto: 454572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::ExtVector: 454672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Types are eliminated above"); 454772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 454872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 45491adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Pointer: 45503d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 45513d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Merge two pointer types, while trying to preserve typedef info 45526217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<PointerType>()->getPointeeType(); 45536217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<PointerType>()->getPointeeType(); 45543d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType ResultType = mergeTypes(LHSPointee, RHSPointee); 45553d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 455607d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 455761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 455807d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 455961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 45603d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getPointerType(ResultType); 45613d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 4562c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff case Type::BlockPointer: 4563c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff { 4564c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff // Merge two block pointer types, while trying to preserve typedef info 45656217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<BlockPointerType>()->getPointeeType(); 45666217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<BlockPointerType>()->getPointeeType(); 4567132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType ResultType = mergeTypes(LHSPointee, RHSPointee, OfBlockPointer); 4568c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (ResultType.isNull()) return QualType(); 4569c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 4570c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return LHS; 4571c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 4572c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return RHS; 4573c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return getBlockPointerType(ResultType); 4574c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff } 45751adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::ConstantArray: 45763d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 45773d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* LCAT = getAsConstantArrayType(LHS); 45783d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* RCAT = getAsConstantArrayType(RHS); 45793d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LCAT && RCAT && RCAT->getSize() != LCAT->getSize()) 45803d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 45813d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 45823d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSElem = getAsArrayType(LHS)->getElementType(); 45833d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType RHSElem = getAsArrayType(RHS)->getElementType(); 45843d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType ResultType = mergeTypes(LHSElem, RHSElem); 45853d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 458661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LCAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 458761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 458861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RCAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 458961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 45903bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (LCAT) return getConstantArrayType(ResultType, LCAT->getSize(), 45913bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 45923bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (RCAT) return getConstantArrayType(ResultType, RCAT->getSize(), 45933bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 45943d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* LVAT = getAsVariableArrayType(LHS); 45953d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* RVAT = getAsVariableArrayType(RHS); 459661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LVAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 459761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 459861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RVAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 459961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 46003d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LVAT) { 46013d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 46023d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of LHS, but the type 46033d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 46043d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 46053d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 46063d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (RVAT) { 46073d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 46083d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of RHS, but the type 46093d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 46103d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 46113d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 46123bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(LHSElem) == getCanonicalType(ResultType)) return LHS; 46133bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(RHSElem) == getCanonicalType(ResultType)) return RHS; 46147e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return getIncompleteArrayType(ResultType, 46157e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArrayType::ArraySizeModifier(), 0); 46163d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 46171adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::FunctionNoProto: 4618132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return mergeFunctionTypes(LHS, RHS, OfBlockPointer); 461972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 462072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: 46213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 46221adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Builtin: 46233cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner // Only exactly equal builtin types are compatible, which is tested above. 46243d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 462564cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar case Type::Complex: 462664cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar // Distinct complex types are incompatible. 462764cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar return QualType(); 46283cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner case Type::Vector: 46295a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: The merged type should be an ExtVector! 46301c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall if (areCompatVectorTypes(LHSCan->getAs<VectorType>(), 46311c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall RHSCan->getAs<VectorType>())) 46323d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 463361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return QualType(); 4634c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: { 4635c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Check if the types are assignment compatible. 46365a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: This should be type compatibility, e.g. whether 46375a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // "LHS x; RHS x;" at global scope is legal. 4638c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHSIface = LHS->getAs<ObjCObjectType>(); 4639c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHSIface = RHS->getAs<ObjCObjectType>(); 4640c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (canAssignObjCInterfaces(LHSIface, RHSIface)) 46415fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff return LHS; 46425fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff 46433d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 464461490e9a965cfee8a78c12c6802138844f04250dCedric Venet } 464514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff case Type::ObjCObjectPointer: { 4646132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (OfBlockPointer) { 4647132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (canAssignObjCInterfacesInBlockPointer( 4648132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian LHS->getAs<ObjCObjectPointerType>(), 4649132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian RHS->getAs<ObjCObjectPointerType>())) 4650132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return LHS; 4651132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return QualType(); 4652132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4653183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (canAssignObjCInterfaces(LHS->getAs<ObjCObjectPointerType>(), 4654183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall RHS->getAs<ObjCObjectPointerType>())) 465514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return LHS; 465614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4657bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff return QualType(); 4658132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4659ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 466072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 466172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 4662ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff} 46637192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek 46642390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// mergeObjCGCQualifiers - This routine merges ObjC's GC attribute of 'LHS' and 46652390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// 'RHS' attributes and returns the merged version; including for function 46662390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// return types. 46672390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz JahanianQualType ASTContext::mergeObjCGCQualifiers(QualType LHS, QualType RHS) { 46682390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSCan = getCanonicalType(LHS), 46692390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian RHSCan = getCanonicalType(RHS); 46702390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If two types are identical, they are compatible. 46712390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan == RHSCan) 46722390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 46732390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (RHSCan->isFunctionType()) { 46742390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (!LHSCan->isFunctionType()) 46752390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 46762390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType OldReturnType = 46772390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(RHSCan.getTypePtr())->getResultType(); 46782390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType NewReturnType = 46792390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(LHSCan.getTypePtr())->getResultType(); 46802390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResReturnType = 46812390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian mergeObjCGCQualifiers(NewReturnType, OldReturnType); 46822390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType.isNull()) 46832390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 46842390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType == NewReturnType || ResReturnType == OldReturnType) { 46852390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // id foo(); ... __strong id foo(); or: __strong id foo(); ... id foo(); 46862390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // In either case, use OldReturnType to build the new function type. 46872390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian const FunctionType *F = LHS->getAs<FunctionType>(); 46882390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (const FunctionProtoType *FPT = cast<FunctionProtoType>(F)) { 46892390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FunctionType::ExtInfo Info = getFunctionExtInfo(LHS); 46902390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResultType 46912390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian = getFunctionType(OldReturnType, FPT->arg_type_begin(), 46922390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->getNumArgs(), FPT->isVariadic(), 46932390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->getTypeQuals(), 46942390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->hasExceptionSpec(), 46952390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->hasAnyExceptionSpec(), 46962390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->getNumExceptions(), 46972390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->exception_begin(), 46982390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Info); 46992390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return ResultType; 47002390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 47012390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 47022390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 47032390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 47042390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 47052390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If the qualifiers are different, the types can still be merged. 47062390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers LQuals = LHSCan.getLocalQualifiers(); 47072390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers RQuals = RHSCan.getLocalQualifiers(); 47082390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals != RQuals) { 47092390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If any of these qualifiers are different, we have a type mismatch. 47102390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 47112390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian LQuals.getAddressSpace() != RQuals.getAddressSpace()) 47122390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 47132390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 47142390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // Exactly one GC qualifier difference is allowed: __strong is 47152390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // okay if the other type has no GC qualifier but is an Objective 47162390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // C object pointer (i.e. implicitly strong by default). We fix 47172390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // this by pretending that the unqualified type was actually 47182390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // qualified __strong. 47192390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 47202390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 47212390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 47222390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 47232390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 47242390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 47252390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 47262390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Strong) 47272390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 47282390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_R == Qualifiers::Strong) 47292390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 47302390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 47312390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 47322390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 47332390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan->isObjCObjectPointerType() && RHSCan->isObjCObjectPointerType()) { 47342390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSBaseQT = LHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 47352390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType RHSBaseQT = RHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 47362390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResQT = mergeObjCGCQualifiers(LHSBaseQT, RHSBaseQT); 47372390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == LHSBaseQT) 47382390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 47392390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == RHSBaseQT) 47402390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 47412390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 47422390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 47432390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian} 47442390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 47455426bf6456a5aeac416a9150de157904d101c819Chris Lattner//===----------------------------------------------------------------------===// 4746ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman// Integer Predicates 4747ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman//===----------------------------------------------------------------------===// 474888054dee0402e4d3c1f64e6b697acc47195c0d72Chris Lattner 4749ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedmanunsigned ASTContext::getIntWidth(QualType T) { 4750632d772a78db7e2cd9b36f8a22aee49d44486fbfSebastian Redl if (T->isBooleanType()) 4751ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return 1; 4752842aef8d942a880eeb9535d40de31a86838264cbJohn McCall if (EnumType *ET = dyn_cast<EnumType>(T)) 475329a7f3342c3c6dd15d914c61ae22246c36d51ce7Eli Friedman T = ET->getDecl()->getIntegerType(); 4754f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // For builtin types, just use the standard type sizing method 4755ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return (unsigned)getTypeSize(T); 4756ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 4757ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 4758ad74a758189180b8ab8faea648e4766c3bfd7fcbEli FriedmanQualType ASTContext::getCorrespondingUnsignedType(QualType T) { 4759ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman assert(T->isSignedIntegerType() && "Unexpected type"); 47606a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 47616a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // Turn <4 x signed int> -> <4 x unsigned int> 47626a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const VectorType *VTy = T->getAs<VectorType>()) 47636a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner return getVectorType(getCorrespondingUnsignedType(VTy->getElementType()), 476482287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VTy->getNumElements(), VTy->isAltiVec(), VTy->isPixel()); 47656a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 47666a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // For enums, we return the unsigned version of the base type. 47676a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const EnumType *ETy = T->getAs<EnumType>()) 4768ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman T = ETy->getDecl()->getIntegerType(); 47696a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 47706a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner const BuiltinType *BTy = T->getAs<BuiltinType>(); 47716a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner assert(BTy && "Unexpected signed integer type"); 4772ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman switch (BTy->getKind()) { 4773ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Char_S: 4774ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::SChar: 4775ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedCharTy; 4776ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Short: 4777ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedShortTy; 4778ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Int: 4779ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedIntTy; 4780ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Long: 4781ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongTy; 4782ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::LongLong: 4783ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongLongTy; 47842df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 47852df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return UnsignedInt128Ty; 4786ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman default: 4787ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman assert(0 && "Unexpected signed integer type"); 4788ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return QualType(); 4789ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman } 4790ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 4791ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 47922cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorExternalASTSource::~ExternalASTSource() { } 47932cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 47942cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregorvoid ExternalASTSource::PrintStats() { } 479586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 479686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 479786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 479886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner// Builtin Type Computation 479986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 480086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 480186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// DecodeTypeFromStr - This decodes one type descriptor from Str, advancing the 480286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// pointer over the consumed characters. This returns the resultant type. 48031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic QualType DecodeTypeFromStr(const char *&Str, ASTContext &Context, 480486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ASTContext::GetBuiltinTypeError &Error, 480586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool AllowTypeModifiers = true) { 480686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Modifiers. 480786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner int HowLong = 0; 480886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Signed = false, Unsigned = false; 48091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 481086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Read the modifiers first. 481186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Done = false; 481286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 481386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 48141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: Done = true; --Str; break; 481586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'S': 481686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use both 'S' and 'U' modifiers!"); 481786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use 'S' modifier multiple times!"); 481886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Signed = true; 481986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 482086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'U': 482186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use both 'S' and 'U' modifiers!"); 482286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use 'S' modifier multiple times!"); 482386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Unsigned = true; 482486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 482586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'L': 482686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong <= 2 && "Can't have LLLL modifier"); 482786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ++HowLong; 482886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 482986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 483086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 483186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 483286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType Type; 48331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 483486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Read the base type. 483586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 483686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner default: assert(0 && "Unknown builtin type letter!"); 483786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'v': 483886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 483986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'v'!"); 484086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.VoidTy; 484186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 484286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'f': 484386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 484486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'f'!"); 484586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.FloatTy; 484686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 484786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'd': 484886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong < 2 && !Signed && !Unsigned && 484986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'd'!"); 485086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong) 485186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.LongDoubleTy; 485286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 485386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.DoubleTy; 485486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 485586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 's': 485686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 's'!"); 485786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Unsigned) 485886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedShortTy; 485986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 486086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.ShortTy; 486186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 486286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'i': 486386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong == 3) 486486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedInt128Ty : Context.Int128Ty; 486586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 2) 486686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongLongTy : Context.LongLongTy; 486786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 1) 486886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongTy : Context.LongTy; 486986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 487086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedIntTy : Context.IntTy; 487186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 487286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'c': 487386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 'c'!"); 487486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Signed) 487586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.SignedCharTy; 487686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (Unsigned) 487786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedCharTy; 487886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 487986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.CharTy; 488086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 488186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'b': // boolean 488286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'b'!"); 488386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.BoolTy; 488486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 488586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'z': // size_t. 488686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'z'!"); 488786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getSizeType(); 488886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 488986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'F': 489086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getCFConstantStringType(); 489186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 489286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'a': 489386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 489486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 489586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 489686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'A': 489786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // This is a "reference" to a va_list; however, what exactly 489886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // this means depends on how va_list is defined. There are two 489986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // different kinds of va_list: ones passed by value, and ones 490086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // passed by reference. An example of a by-value va_list is 490186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // x86, where va_list is a char*. An example of by-ref va_list 490286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // is x86-64, where va_list is a __va_list_tag[1]. For x86, 490386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // we want this argument to be a char*&; for x86-64, we want 490486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // it to be a __va_list_tag*. 490586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 490686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 490786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Type->isArrayType()) { 490886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getArrayDecayedType(Type); 490986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } else { 491086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getLValueReferenceType(Type); 491186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 491286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 491386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'V': { 491486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner char *End; 491586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner unsigned NumElements = strtoul(Str, &End, 10); 491686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(End != Str && "Missing vector size"); 49171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 491886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Str = End; 49191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 492086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, false); 492182287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson // FIXME: Don't know what to do about AltiVec. 492282287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson Type = Context.getVectorType(ElementType, NumElements, false, false); 492386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 492486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 4925d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor case 'X': { 4926d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor QualType ElementType = DecodeTypeFromStr(Str, Context, Error, false); 4927d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor Type = Context.getComplexType(ElementType); 4928d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor break; 4929d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor } 49309a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'P': 4931c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor Type = Context.getFILEType(); 4932c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor if (Type.isNull()) { 4933f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_stdio; 493486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 493586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 4936fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 49379a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'J': 4938f711c41dd9412a8182793259d355c4f6979ed5edMike Stump if (Signed) 4939782fa308a765aeac2acb39c4e697c937ec21185bMike Stump Type = Context.getsigjmp_bufType(); 4940f711c41dd9412a8182793259d355c4f6979ed5edMike Stump else 4941f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Type = Context.getjmp_bufType(); 4942f711c41dd9412a8182793259d355c4f6979ed5edMike Stump 4943fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump if (Type.isNull()) { 4944f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_setjmp; 4945fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump return QualType(); 4946fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump } 4947fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 4948782fa308a765aeac2acb39c4e697c937ec21185bMike Stump } 49491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 495086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (!AllowTypeModifiers) 495186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return Type; 49521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 495386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Done = false; 495486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 4955187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall switch (char c = *Str++) { 495686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner default: Done = true; --Str; break; 495786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case '*': 495886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case '&': 4959187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall { 4960187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall // Both pointers and references can have their pointee types 4961187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall // qualified with an address space. 4962187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall char *End; 4963187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall unsigned AddrSpace = strtoul(Str, &End, 10); 4964187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall if (End != Str && AddrSpace != 0) { 4965187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall Type = Context.getAddrSpaceQualType(Type, AddrSpace); 4966187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall Str = End; 4967187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall } 4968187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall } 4969187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall if (c == '*') 4970187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall Type = Context.getPointerType(Type); 4971187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall else 4972187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall Type = Context.getLValueReferenceType(Type); 497386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 497486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // FIXME: There's no way to have a built-in with an rvalue ref arg. 497586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'C': 49760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Type = Type.withConst(); 497786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 4978013af39d2a6a2e684f5a458c97890c52cddb7157Fariborz Jahanian case 'D': 4979013af39d2a6a2e684f5a458c97890c52cddb7157Fariborz Jahanian Type = Context.getVolatileType(Type); 4980013af39d2a6a2e684f5a458c97890c52cddb7157Fariborz Jahanian break; 498186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 498286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 49831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 498486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return Type; 498586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 498686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 498786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// GetBuiltinType - Return the type for the specified builtin. 498886df27bbdbb98c39ec2184695c0561209f91beddChris LattnerQualType ASTContext::GetBuiltinType(unsigned id, 498986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner GetBuiltinTypeError &Error) { 499086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner const char *TypeStr = BuiltinInfo.GetTypeString(id); 49911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 499286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner llvm::SmallVector<QualType, 8> ArgTypes; 49931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 499486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Error = GE_None; 499586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType ResType = DecodeTypeFromStr(TypeStr, *this, Error); 499686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 499786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 499886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (TypeStr[0] && TypeStr[0] != '.') { 499986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType Ty = DecodeTypeFromStr(TypeStr, *this, Error); 500086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 500186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 500286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 500386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Do array -> pointer decay. The builtin should use the decayed type. 500486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Ty->isArrayType()) 500586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Ty = getArrayDecayedType(Ty); 50061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 500786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ArgTypes.push_back(Ty); 500886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 500986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 501086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert((TypeStr[0] != '.' || TypeStr[1] == 0) && 501186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "'.' should only occur at end of builtin type list!"); 501286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 501386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // handle untyped/variadic arguments "T c99Style();" or "T cppStyle(...);". 501486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (ArgTypes.size() == 0 && TypeStr[0] == '.') 501586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return getFunctionNoProtoType(ResType); 5016ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor 5017ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor // FIXME: Should we create noreturn types? 501886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return getFunctionType(ResType, ArgTypes.data(), ArgTypes.size(), 5019ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor TypeStr[0] == '.', 0, false, false, 0, 0, 5020264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo()); 502186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 5022a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 5023a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli FriedmanQualType 5024a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli FriedmanASTContext::UsualArithmeticConversionsType(QualType lhs, QualType rhs) { 5025a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Perform the usual unary conversions. We do this early so that 5026a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // integral promotions to "int" can allow us to exit early, in the 5027a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // lhs == rhs check. Also, for conversion purposes, we ignore any 5028a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // qualifiers. For example, "const float" and "float" are 5029a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // equivalent. 5030a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isPromotableIntegerType()) 5031a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman lhs = getPromotedIntegerType(lhs); 5032a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman else 5033a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman lhs = lhs.getUnqualifiedType(); 5034a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (rhs->isPromotableIntegerType()) 5035a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhs = getPromotedIntegerType(rhs); 5036a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman else 5037a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhs = rhs.getUnqualifiedType(); 5038a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 5039a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // If both types are identical, no conversion is needed. 5040a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs == rhs) 5041a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 50421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5043a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // If either side is a non-arithmetic type (e.g. a pointer), we are done. 5044a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The caller can deal with this (e.g. pointer + int). 5045a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (!lhs->isArithmeticType() || !rhs->isArithmeticType()) 5046a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 50471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 50481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // At this point, we have two different arithmetic types. 50491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5050a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Handle complex types first (C99 6.3.1.8p1). 5051a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isComplexType() || rhs->isComplexType()) { 5052a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // if we have an integer operand, the result is the complex type. 50531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (rhs->isIntegerType() || rhs->isComplexIntegerType()) { 5054a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the rhs to the lhs complex type. 5055a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5056a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 50571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isIntegerType() || lhs->isComplexIntegerType()) { 5058a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the lhs to the rhs complex type. 5059a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5060a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5061a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // This handles complex/complex, complex/float, or float/complex. 50621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // When both operands are complex, the shorter operand is converted to the 50631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // type of the longer, and that is the type of the result. This corresponds 50641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // to what is done when combining two real floating-point operands. 50651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // The fun begins when size promotion occur across type domains. 5066a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // From H&S 6.3.4: When one operand is complex and the other is a real 50671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // floating-point type, the less precise type is converted, within it's 5068a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // real or complex domain, to the precision of the other type. For example, 50691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // when combining a "long double" with a "double _Complex", the 5070a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // "double _Complex" is promoted to "long double _Complex". 5071a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman int result = getFloatingTypeOrder(lhs, rhs); 50721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 50731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (result > 0) { // The left side is bigger, convert rhs. 5074a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhs = getFloatingTypeOfSizeWithinDomain(lhs, rhs); 50751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } else if (result < 0) { // The right side is bigger, convert lhs. 5076a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman lhs = getFloatingTypeOfSizeWithinDomain(rhs, lhs); 50771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 5078a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // At this point, lhs and rhs have the same rank/size. Now, make sure the 5079a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // domains match. This is a requirement for our implementation, C99 5080a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // does not require this promotion. 5081a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs != rhs) { // Domains don't match, we have complex/float mix. 5082a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isRealFloatingType()) { // handle "double, _Complex double". 5083a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5084a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else { // handle "_Complex double, double". 5085a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5086a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5087a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5088a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; // The domain/size match exactly. 5089a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5090a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Now handle "real" floating types (i.e. float, double, long double). 5091a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isRealFloatingType() || rhs->isRealFloatingType()) { 5092a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // if we have an integer operand, the result is the real floating type. 5093a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (rhs->isIntegerType()) { 5094a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert rhs to the lhs floating point type. 5095a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5096a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5097a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (rhs->isComplexIntegerType()) { 5098a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert rhs to the complex floating point type. 5099a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return getComplexType(lhs); 5100a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5101a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isIntegerType()) { 5102a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert lhs to the rhs floating point type. 5103a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5104a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 51051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isComplexIntegerType()) { 5106a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert lhs to the complex floating point type. 5107a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return getComplexType(rhs); 5108a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5109a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // We have two real floating types, float/complex combos were handled above. 5110a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Convert the smaller operand to the bigger result. 5111a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman int result = getFloatingTypeOrder(lhs, rhs); 5112a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (result > 0) // convert the rhs 5113a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5114a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(result < 0 && "illegal float comparison"); 5115a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; // convert the lhs 5116a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5117a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isComplexIntegerType() || rhs->isComplexIntegerType()) { 5118a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Handle GCC complex int extension. 5119a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman const ComplexType *lhsComplexInt = lhs->getAsComplexIntegerType(); 5120a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman const ComplexType *rhsComplexInt = rhs->getAsComplexIntegerType(); 5121a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 5122a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhsComplexInt && rhsComplexInt) { 51231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (getIntegerTypeOrder(lhsComplexInt->getElementType(), 5124a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhsComplexInt->getElementType()) >= 0) 5125a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; // convert the rhs 5126a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5127a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (lhsComplexInt && rhs->isIntegerType()) { 5128a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the rhs to the lhs complex type. 5129a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5130a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (rhsComplexInt && lhs->isIntegerType()) { 5131a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the lhs to the rhs complex type. 5132a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5133a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5134a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5135a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Finally, we have two differing integer types. 5136a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The rules for this case are in C99 6.3.1.8 5137a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman int compare = getIntegerTypeOrder(lhs, rhs); 5138a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman bool lhsSigned = lhs->isSignedIntegerType(), 5139a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhsSigned = rhs->isSignedIntegerType(); 5140a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman QualType destType; 5141a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhsSigned == rhsSigned) { 5142a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Same signedness; use the higher-ranked type 5143a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = compare >= 0 ? lhs : rhs; 5144a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (compare != (lhsSigned ? 1 : -1)) { 5145a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The unsigned type has greater than or equal rank to the 5146a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // signed type, so use the unsigned type 5147a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = lhsSigned ? rhs : lhs; 5148a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (getIntWidth(lhs) != getIntWidth(rhs)) { 5149a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The two types are different widths; if we are here, that 5150a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // means the signed type is larger than the unsigned type, so 5151a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // use the signed type. 5152a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = lhsSigned ? lhs : rhs; 5153a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else { 5154a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The signed type is higher-ranked than the unsigned type, 5155a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // but isn't actually any bigger (like unsigned int and long 5156a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // on most 32-bit systems). Use the unsigned type corresponding 5157a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // to the signed type. 5158a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = getCorrespondingUnsignedType(lhsSigned ? lhs : rhs); 5159a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5160a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return destType; 5161a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman} 5162