ASTContext.cpp revision dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9c
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- ASTContext.cpp - Context to hold long-lived AST nodes ------------===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 75f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 85f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 95f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// This file implements the ASTContext interface. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/AST/ASTContext.h" 15bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck#include "clang/AST/CharUnits.h" 1649aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis#include "clang/AST/DeclCXX.h" 17980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff#include "clang/AST/DeclObjC.h" 18aaba5e346dffdbad5d1c42765a89e4a7afb0da67Douglas Gregor#include "clang/AST/DeclTemplate.h" 19b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis#include "clang/AST/TypeLoc.h" 20e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar#include "clang/AST/Expr.h" 21ea1471e0e967548c596a71469702f8846dbaf3c0John McCall#include "clang/AST/ExprCXX.h" 222cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor#include "clang/AST/ExternalASTSource.h" 2319cc4abea06a9b49e0e16a50d335c064cd723572Anders Carlsson#include "clang/AST/RecordLayout.h" 241b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner#include "clang/Basic/Builtins.h" 25a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner#include "clang/Basic/SourceManager.h" 265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Basic/TargetInfo.h" 27f5942a44880be26878592eb052b737579349411eBenjamin Kramer#include "llvm/ADT/SmallString.h" 2885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson#include "llvm/ADT/StringExtras.h" 296fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman#include "llvm/Support/MathExtras.h" 30f5942a44880be26878592eb052b737579349411eBenjamin Kramer#include "llvm/Support/raw_ostream.h" 3129445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson 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), 47bf1a028246d884a540aeafa38e89be59a269b072John McCall NullTypeSourceInfo(QualType()), 48c6fbbedb3e90ff2f04828c36fd839e01468679f5Douglas Gregor SourceMgr(SM), LangOpts(LOpts), FreeMemory(FreeMem), Target(t), 492e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor Idents(idents), Selectors(sels), 50ac9590effa90406767a544005ed1de52e258306bTed Kremenek BuiltinInfo(builtins), 51ac9590effa90406767a544005ed1de52e258306bTed Kremenek DeclarationNames(*this), 52ac9590effa90406767a544005ed1de52e258306bTed Kremenek ExternalSource(0), PrintingPolicy(LOpts), 530c01d18094100db92d38daa923c95661512db203John McCall LastSDM(0, 0) { 540f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall ObjCIdRedefinitionType = QualType(); 550f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall ObjCClassRedefinitionType = QualType(); 56369a3bd9979cf529eed529aa037de713c213e47dFariborz Jahanian ObjCSelRedefinitionType = QualType(); 571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (size_reserve > 0) Types.reserve(size_reserve); 58e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar TUDecl = TranslationUnitDecl::Create(*this); 5914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff InitBuiltinTypes(); 60e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar} 61e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar 625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerASTContext::~ASTContext() { 633478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // Release the DenseMaps associated with DeclContext objects. 643478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // FIXME: Is this the ideal solution? 653478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek ReleaseDeclContextMaps(); 667d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 670054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor if (!FreeMemory) { 680054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor // Call all of the deallocation functions. 690054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor for (unsigned I = 0, N = Deallocations.size(); I != N; ++I) 700054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor Deallocations[I].first(Deallocations[I].second); 710054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor } 720054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 737d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor // Release all of the memory associated with overridden C++ methods. 747d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor for (llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::iterator 757d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM = OverriddenMethods.begin(), OMEnd = OverriddenMethods.end(); 767d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM != OMEnd; ++OM) 777d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM->second.Destroy(); 783478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek 79bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek if (FreeMemory) { 80bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek // Deallocate all the types. 81bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek while (!Types.empty()) { 82bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek Types.back()->Destroy(*this); 83bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek Types.pop_back(); 84bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek } 85b26153c2b06934b6d39886cae2a379988d9c3e2bEli Friedman 86bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek for (llvm::FoldingSet<ExtQuals>::iterator 87bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek I = ExtQualNodes.begin(), E = ExtQualNodes.end(); I != E; ) { 88bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek // Increment in loop to prevent using deallocated memory. 890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Deallocate(&*I++); 90bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek } 910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 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 101dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek // ASTRecordLayout objects in ASTRecordLayouts must always be destroyed 102dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek // even when using the BumpPtrAllocator because they can contain 103dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek // DenseMaps. 104dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek for (llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*>::iterator 105dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek I = ASTRecordLayouts.begin(), E = ASTRecordLayouts.end(); I != E; ) { 106dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek // Increment in loop to prevent using deallocated memory. 107dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 108dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek R->Destroy(*this); 109dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek } 110dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek 111ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor // Destroy nested-name-specifiers. 1121ae0afaf14b7ce9bed33c1fe51077d01a313434dDouglas Gregor for (llvm::FoldingSet<NestedNameSpecifier>::iterator 1131ae0afaf14b7ce9bed33c1fe51077d01a313434dDouglas Gregor NNS = NestedNameSpecifiers.begin(), 1141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NNSEnd = NestedNameSpecifiers.end(); 115bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek NNS != NNSEnd; ) { 116bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek // Increment in loop to prevent using deallocated memory. 1171ae0afaf14b7ce9bed33c1fe51077d01a313434dDouglas Gregor (*NNS++).Destroy(*this); 118bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek } 119ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 120ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor if (GlobalNestedNameSpecifier) 121ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor GlobalNestedNameSpecifier->Destroy(*this); 122ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 123b26153c2b06934b6d39886cae2a379988d9c3e2bEli Friedman TUDecl->Destroy(*this); 1245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1260054531488928a424666ac11fcdc6bcc5112de52Douglas Gregorvoid ASTContext::AddDeallocation(void (*Callback)(void*), void *Data) { 1270054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor Deallocations.push_back(std::make_pair(Callback, Data)); 1280054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor} 1290054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 1301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 1312cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorASTContext::setExternalSource(llvm::OwningPtr<ExternalASTSource> &Source) { 1322cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource.reset(Source.take()); 1332cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor} 1342cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 1355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::PrintStats() const { 1365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, "*** AST Context Stats:\n"); 1375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, " %d types total.\n", (int)Types.size()); 1387c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 139dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned counts[] = { 1401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump#define TYPE(Name, Parent) 0, 141dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 142dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 143dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor 0 // Extra 144dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor }; 145c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor 1465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0, e = Types.size(); i != e; ++i) { 1475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type *T = Types[i]; 148dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor counts[(unsigned)T->getTypeClass()]++; 1495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 151dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned Idx = 0; 152dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned TotalBytes = 0; 153dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define TYPE(Name, Parent) \ 154dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor if (counts[Idx]) \ 155dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor fprintf(stderr, " %d %s types\n", (int)counts[Idx], #Name); \ 156dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor TotalBytes += counts[Idx] * sizeof(Name##Type); \ 157dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor ++Idx; 158dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 159dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 1601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 161dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor fprintf(stderr, "Total bytes = %d\n", int(TotalBytes)); 1622cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 1632cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor if (ExternalSource.get()) { 1642cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor fprintf(stderr, "\n"); 1652cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource->PrintStats(); 1662cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor } 1675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 170e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallvoid ASTContext::InitBuiltinType(CanQualType &R, BuiltinType::Kind K) { 1716b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BuiltinType *Ty = new (*this, TypeAlignment) BuiltinType(K); 172e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall R = CanQualType::CreateUnsafe(QualType(Ty, 0)); 1736b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Types.push_back(Ty); 1745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::InitBuiltinTypes() { 1775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(VoidTy.isNull() && "Context reinitialized?"); 1781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p19. 1805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(VoidTy, BuiltinType::Void); 1811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p2. 1835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(BoolTy, BuiltinType::Bool); 1845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p3. 18515b91764d08e886391c865c4a444d7b51141c284Eli Friedman if (LangOpts.CharIsSigned) 1865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_S); 1875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 1885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_U); 1895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p4. 1905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(SignedCharTy, BuiltinType::SChar); 1915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(ShortTy, BuiltinType::Short); 1925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(IntTy, BuiltinType::Int); 1935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongTy, BuiltinType::Long); 1945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongLongTy, BuiltinType::LongLong); 1951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p6. 1975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedCharTy, BuiltinType::UChar); 1985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedShortTy, BuiltinType::UShort); 1995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedIntTy, BuiltinType::UInt); 2005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongTy, BuiltinType::ULong); 2015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongLongTy, BuiltinType::ULongLong); 2021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p10. 2045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(FloatTy, BuiltinType::Float); 2055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(DoubleTy, BuiltinType::Double); 2065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongDoubleTy, BuiltinType::LongDouble); 20764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 2082df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner // GNU extension, 128-bit integers. 2092df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(Int128Ty, BuiltinType::Int128); 2102df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(UnsignedInt128Ty, BuiltinType::UInt128); 2112df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner 2123a2503227c3db04a3619735127483263c1075ef7Chris Lattner if (LangOpts.CPlusPlus) // C++ 3.9.1p5 2133a2503227c3db04a3619735127483263c1075ef7Chris Lattner InitBuiltinType(WCharTy, BuiltinType::WChar); 2143a2503227c3db04a3619735127483263c1075ef7Chris Lattner else // C99 2153a2503227c3db04a3619735127483263c1075ef7Chris Lattner WCharTy = getFromTargetType(Target.getWCharType()); 21664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 217f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 218f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char16Ty, BuiltinType::Char16); 219f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 220f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char16Ty = getFromTargetType(Target.getChar16Type()); 221f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 222f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 223f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char32Ty, BuiltinType::Char32); 224f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 225f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char32Ty = getFromTargetType(Target.getChar32Type()); 226f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 2278e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor // Placeholder type for functions. 228898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor InitBuiltinType(OverloadTy, BuiltinType::Overload); 229898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 230898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // Placeholder type for type-dependent expressions whose type is 231898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // completely unknown. No code should ever check a type against 232898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // DependentTy and users should never see it; however, it is here to 233898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // help diagnose failures to properly check for type-dependent 234898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // expressions. 235898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor InitBuiltinType(DependentTy, BuiltinType::Dependent); 2368e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 2371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Placeholder type for C++0x auto declarations whose real type has 238e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson // not yet been deduced. 239e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson InitBuiltinType(UndeducedAutoTy, BuiltinType::UndeducedAuto); 2401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p11. 2425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatComplexTy = getComplexType(FloatTy); 2435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DoubleComplexTy = getComplexType(DoubleTy); 2445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongDoubleComplexTy = getComplexType(LongDoubleTy); 2458e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 2467e219e47de26346885d667131977bd9ca2d7662aSteve Naroff BuiltinVaListType = QualType(); 2471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 248de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // "Builtin" typedefs set by Sema::ActOnTranslationUnitScope(). 249de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = QualType(); 250de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = QualType(); 25113dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = QualType(); 2521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25313dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian // Builtin types for 'id', 'Class', and 'SEL'. 254de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinIdTy, BuiltinType::ObjCId); 255de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinClassTy, BuiltinType::ObjCClass); 25613dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian InitBuiltinType(ObjCBuiltinSelTy, BuiltinType::ObjCSel); 25714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 258a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = QualType(); 2591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // void * type 26133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian VoidPtrTy = getPointerType(VoidTy); 2626e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 2636e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl // nullptr type (C++0x 2.14.7) 2646e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl InitBuiltinType(NullPtrTy, BuiltinType::NullPtr); 2655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 2665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 267251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorMemberSpecializationInfo * 268663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas GregorASTContext::getInstantiatedFromStaticDataMember(const VarDecl *Var) { 2697caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Var->isStaticDataMember() && "Not a static data member"); 270663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor llvm::DenseMap<const VarDecl *, MemberSpecializationInfo *>::iterator Pos 2717caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor = InstantiatedFromStaticDataMember.find(Var); 2727caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Pos == InstantiatedFromStaticDataMember.end()) 2737caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return 0; 2741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2757caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return Pos->second; 2767caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 2777caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 2781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 279251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorASTContext::setInstantiatedFromStaticDataMember(VarDecl *Inst, VarDecl *Tmpl, 280251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor TemplateSpecializationKind TSK) { 2817caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Inst->isStaticDataMember() && "Not a static data member"); 2827caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Tmpl->isStaticDataMember() && "Not a static data member"); 2837caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(!InstantiatedFromStaticDataMember[Inst] && 2847caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor "Already noted what static data member was instantiated from"); 285251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor InstantiatedFromStaticDataMember[Inst] 286251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor = new (*this) MemberSpecializationInfo(Tmpl, TSK); 2877caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 2887caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 2897ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallNamedDecl * 290ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingDecl(UsingDecl *UUD) { 2917ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall llvm::DenseMap<UsingDecl *, NamedDecl *>::const_iterator Pos 292ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingDecl.find(UUD); 293ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingDecl.end()) 2940d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return 0; 2951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2960d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return Pos->second; 2970d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 2980d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 2990d8df780aef1acda5962347a32591efc629b6748Anders Carlssonvoid 300ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingDecl(UsingDecl *Inst, NamedDecl *Pattern) { 301ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert((isa<UsingDecl>(Pattern) || 302ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingValueDecl>(Pattern) || 303ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingTypenameDecl>(Pattern)) && 304ed97649e9574b9d854fa4d6109c9333ae0993554John McCall "pattern decl is not a using decl"); 305ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingDecl[Inst] && "pattern already exists"); 306ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingDecl[Inst] = Pattern; 307ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 308ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 309ed97649e9574b9d854fa4d6109c9333ae0993554John McCallUsingShadowDecl * 310ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst) { 311ed97649e9574b9d854fa4d6109c9333ae0993554John McCall llvm::DenseMap<UsingShadowDecl*, UsingShadowDecl*>::const_iterator Pos 312ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingShadowDecl.find(Inst); 313ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingShadowDecl.end()) 314ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return 0; 315ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 316ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Pos->second; 317ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 318ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 319ed97649e9574b9d854fa4d6109c9333ae0993554John McCallvoid 320ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst, 321ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingShadowDecl *Pattern) { 322ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingShadowDecl[Inst] && "pattern already exists"); 323ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingShadowDecl[Inst] = Pattern; 3240d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 3250d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 326d8b285fee4471f393da8ee30f552ceacdc362afaAnders CarlssonFieldDecl *ASTContext::getInstantiatedFromUnnamedFieldDecl(FieldDecl *Field) { 327d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson llvm::DenseMap<FieldDecl *, FieldDecl *>::iterator Pos 328d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson = InstantiatedFromUnnamedFieldDecl.find(Field); 329d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson if (Pos == InstantiatedFromUnnamedFieldDecl.end()) 330d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return 0; 3311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 332d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return Pos->second; 333d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 334d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 335d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlssonvoid ASTContext::setInstantiatedFromUnnamedFieldDecl(FieldDecl *Inst, 336d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson FieldDecl *Tmpl) { 337d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Inst->getDeclName() && "Instantiated field decl is not unnamed"); 338d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Tmpl->getDeclName() && "Template field decl is not unnamed"); 339d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!InstantiatedFromUnnamedFieldDecl[Inst] && 340d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson "Already noted what unnamed field was instantiated from"); 3411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 342d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson InstantiatedFromUnnamedFieldDecl[Inst] = Tmpl; 343d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 344d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 3457d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 3467d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_begin(const CXXMethodDecl *Method) const { 3477d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 3487d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 3497d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 3507d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 3517d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3527d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.begin(); 3537d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 3547d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3557d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 3567d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_end(const CXXMethodDecl *Method) const { 3577d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 3587d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 3597d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 3607d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 3617d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3627d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.end(); 3637d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 3647d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3657d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregorvoid ASTContext::addOverriddenMethod(const CXXMethodDecl *Method, 3667d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor const CXXMethodDecl *Overridden) { 3677d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OverriddenMethods[Method].push_back(Overridden); 3687d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 3697d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3702e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregornamespace { 3711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump class BeforeInTranslationUnit 3722e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor : std::binary_function<SourceRange, SourceRange, bool> { 3732e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor SourceManager *SourceMgr; 3741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3752e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor public: 3762e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor explicit BeforeInTranslationUnit(SourceManager *SM) : SourceMgr(SM) { } 3771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3782e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor bool operator()(SourceRange X, SourceRange Y) { 3792e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return SourceMgr->isBeforeInTranslationUnit(X.getBegin(), Y.getBegin()); 3802e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor } 3812e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor }; 3822e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor} 3832e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 384464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 385464175bba1318bef7905122e9fda20cff926df78Chris Lattner// Type Sizing and Analysis 386464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 387a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 388b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 389b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// scalar floating point type. 390b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattnerconst llvm::fltSemantics &ASTContext::getFloatTypeSemantics(QualType T) const { 391183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const BuiltinType *BT = T->getAs<BuiltinType>(); 392b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner assert(BT && "Not a floating point type!"); 393b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner switch (BT->getKind()) { 394b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner default: assert(0 && "Not a floating point type!"); 395b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Float: return Target.getFloatFormat(); 396b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Double: return Target.getDoubleFormat(); 397b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::LongDouble: return Target.getLongDoubleFormat(); 398b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner } 399b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner} 400b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 4018b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck/// getDeclAlign - Return a conservative estimate of the alignment of the 402af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// specified decl. Note that bitfields do not have a valid alignment, so 403af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// this method will assert on them. 4045d484e8cf710207010720589d89602233de61d01Sebastian Redl/// If @p RefAsPointee, references are treated like their underlying type 4055d484e8cf710207010720589d89602233de61d01Sebastian Redl/// (for alignof), else they're treated like pointers (for CodeGen). 4068b752f10c394b140f9ef89e049cbad1a7676fc25Ken DyckCharUnits ASTContext::getDeclAlign(const Decl *D, bool RefAsPointee) { 407dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman unsigned Align = Target.getCharWidth(); 408dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 40940b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (const AlignedAttr* AA = D->getAttr<AlignedAttr>()) 410bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Align = std::max(Align, AA->getMaxAlignment()); 411dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 412af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner if (const ValueDecl *VD = dyn_cast<ValueDecl>(D)) { 413af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner QualType T = VD->getType(); 4146217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType* RT = T->getAs<ReferenceType>()) { 4155d484e8cf710207010720589d89602233de61d01Sebastian Redl if (RefAsPointee) 4165d484e8cf710207010720589d89602233de61d01Sebastian Redl T = RT->getPointeeType(); 4175d484e8cf710207010720589d89602233de61d01Sebastian Redl else 4185d484e8cf710207010720589d89602233de61d01Sebastian Redl T = getPointerType(RT->getPointeeType()); 4195d484e8cf710207010720589d89602233de61d01Sebastian Redl } 4205d484e8cf710207010720589d89602233de61d01Sebastian Redl if (!T->isIncompleteType() && !T->isFunctionType()) { 4216deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola unsigned MinWidth = Target.getLargeArrayMinWidth(); 4226deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola unsigned ArrayAlign = Target.getLargeArrayAlign(); 4236deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola if (isa<VariableArrayType>(T) && MinWidth != 0) 4246deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola Align = std::max(Align, ArrayAlign); 4256deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola if (ConstantArrayType *CT = dyn_cast<ConstantArrayType>(T)) { 4266deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola unsigned Size = getTypeSize(CT); 4276deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola if (MinWidth != 0 && MinWidth <= Size) 4286deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola Align = std::max(Align, ArrayAlign); 4296deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola } 4304cc2cfd48d7c2d11141871cad590db7b52ce00a0Anders Carlsson // Incomplete or function types default to 1. 431dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman while (isa<VariableArrayType>(T) || isa<IncompleteArrayType>(T)) 432dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman T = cast<ArrayType>(T)->getElementType(); 433dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 434dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman Align = std::max(Align, getPreferredTypeAlign(T.getTypePtr())); 435dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman } 43605f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis if (const FieldDecl *FD = dyn_cast<FieldDecl>(VD)) { 43705f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis // In the case of a field in a packed struct, we want the minimum 43805f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis // of the alignment of the field and the alignment of the struct. 43905f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis Align = std::min(Align, 44005f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis getPreferredTypeAlign(FD->getParent()->getTypeForDecl())); 44105f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis } 442af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner } 443dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 4448b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck return CharUnits::fromQuantity(Align / Target.getCharWidth()); 445af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner} 446b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 447ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 448ea1471e0e967548c596a71469702f8846dbaf3c0John McCallASTContext::getTypeInfoInChars(const Type *T) { 449ea1471e0e967548c596a71469702f8846dbaf3c0John McCall std::pair<uint64_t, unsigned> Info = getTypeInfo(T); 450ea1471e0e967548c596a71469702f8846dbaf3c0John McCall return std::make_pair(CharUnits::fromQuantity(Info.first / getCharWidth()), 451ea1471e0e967548c596a71469702f8846dbaf3c0John McCall CharUnits::fromQuantity(Info.second / getCharWidth())); 452ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 453ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 454ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 455ea1471e0e967548c596a71469702f8846dbaf3c0John McCallASTContext::getTypeInfoInChars(QualType T) { 456ea1471e0e967548c596a71469702f8846dbaf3c0John McCall return getTypeInfoInChars(T.getTypePtr()); 457ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 458ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 459a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// getTypeSize - Return the size of the specified type, in bits. This method 460a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// does not work on incomplete types. 4610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 4620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// FIXME: Pointers into different addr spaces could have different sizes and 4630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// alignment requirements: getPointerInfo should take an AddrSpace, this 4640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// should take a QualType, &c. 465d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattnerstd::pair<uint64_t, unsigned> 4661d75118af76cae2bfc06389cde410e14bd0a19fcDaniel DunbarASTContext::getTypeInfo(const Type *T) { 4675e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump uint64_t Width=0; 4685e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump unsigned Align=8; 469a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (T->getTypeClass()) { 47072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 47172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 47218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor#define NON_CANONICAL_TYPE(Class, Base) 47372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 47472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 47518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor assert(false && "Should not see dependent types"); 47672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor break; 47772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 4785d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionNoProto: 4795d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionProto: 48018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(function) = 32 bits 48118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 48218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 32; 48318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 48418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 48572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 486fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::VariableArray: 48718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 48818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = getTypeAlign(cast<ArrayType>(T)->getElementType()); 48918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 49018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 491fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::ConstantArray: { 4921d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ConstantArrayType *CAT = cast<ConstantArrayType>(T); 4931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 49498be4943e8dc4f3905629a7102668960873cf863Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(CAT->getElementType()); 4959e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*CAT->getSize().getZExtValue(); 496030d8846c7e520330007087e949f621989876e3aChris Lattner Align = EltInfo.second; 497030d8846c7e520330007087e949f621989876e3aChris Lattner break; 4985c09a02a5db85e08a432b6eeced9aa656349710dChristopher Lamb } 499213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman case Type::ExtVector: 500030d8846c7e520330007087e949f621989876e3aChris Lattner case Type::Vector: { 5019fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner const VectorType *VT = cast<VectorType>(T); 5029fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(VT->getElementType()); 5039fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = EltInfo.first*VT->getNumElements(); 5044bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman Align = Width; 5056fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // If the alignment is not a power of 2, round up to the next power of 2. 5066fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // This happens for non-power-of-2 length vectors. 5078eefcd353c1d06a10104f69e5079ebab3183f9a3Dan Gohman if (Align & (Align-1)) { 5089fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Align = llvm::NextPowerOf2(Align); 5099fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = llvm::RoundUpToAlignment(Width, Align); 5109fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner } 511030d8846c7e520330007087e949f621989876e3aChris Lattner break; 512030d8846c7e520330007087e949f621989876e3aChris Lattner } 5135d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner 5149e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner case Type::Builtin: 515a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 516692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner default: assert(0 && "Unknown builtin type!"); 517d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner case BuiltinType::Void: 51818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(void) = 8 bits. 51918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 52018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 8; 52118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 52218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 5236f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Bool: 5249e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getBoolWidth(); 5259e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getBoolAlign(); 5266f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 527692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_S: 528692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_U: 529692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UChar: 5306f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::SChar: 5319e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getCharWidth(); 5329e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getCharAlign(); 5336f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 53464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis case BuiltinType::WChar: 53564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Width = Target.getWCharWidth(); 53664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Align = Target.getWCharAlign(); 53764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis break; 538f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char16: 539f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar16Width(); 540f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar16Align(); 541f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 542f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char32: 543f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar32Width(); 544f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar32Align(); 545f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 546692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UShort: 5476f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Short: 5489e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getShortWidth(); 5499e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getShortAlign(); 5506f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 551692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UInt: 5526f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Int: 5539e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getIntWidth(); 5549e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getIntAlign(); 5556f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 556692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULong: 5576f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Long: 5589e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongWidth(); 5599e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongAlign(); 5606f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 561692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULongLong: 5626f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongLong: 5639e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongLongWidth(); 5649e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongLongAlign(); 5656f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 566ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::Int128: 567ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::UInt128: 568ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Width = 128; 569ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Align = 128; // int128_t is 128-bit aligned on all targets. 570ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner break; 5716f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Float: 5729e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getFloatWidth(); 5739e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getFloatAlign(); 5746f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 5756f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Double: 5765426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getDoubleWidth(); 5775426bf6456a5aeac416a9150de157904d101c819Chris Lattner Align = Target.getDoubleAlign(); 5786f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 5796f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongDouble: 5809e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongDoubleWidth(); 5819e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongDoubleAlign(); 5826f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 5836e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl case BuiltinType::NullPtr: 5846e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Width = Target.getPointerWidth(0); // C++ 3.9.1p11: sizeof(nullptr_t) 5856e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Align = Target.getPointerAlign(0); // == sizeof(void*) 5861590d9c0fec4c710c2962e4bb71f76979b5163d3Sebastian Redl break; 587a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 588bfef6d7c67831a135d6ab79931f010f750a730adChris Lattner break; 589d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff case Type::ObjCObjectPointer: 5905426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(0); 591f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(0); 5926f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 593485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff case Type::BlockPointer: { 594485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff unsigned AS = cast<BlockPointerType>(T)->getPointeeType().getAddressSpace(); 595485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Width = Target.getPointerWidth(AS); 596485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Align = Target.getPointerAlign(AS); 597485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff break; 598485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff } 5995d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::LValueReference: 6005d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::RValueReference: { 6015d484e8cf710207010720589d89602233de61d01Sebastian Redl // alignof and sizeof should never enter this code path here, so we go 6025d484e8cf710207010720589d89602233de61d01Sebastian Redl // the pointer route. 6035d484e8cf710207010720589d89602233de61d01Sebastian Redl unsigned AS = cast<ReferenceType>(T)->getPointeeType().getAddressSpace(); 6045d484e8cf710207010720589d89602233de61d01Sebastian Redl Width = Target.getPointerWidth(AS); 6055d484e8cf710207010720589d89602233de61d01Sebastian Redl Align = Target.getPointerAlign(AS); 6065d484e8cf710207010720589d89602233de61d01Sebastian Redl break; 6075d484e8cf710207010720589d89602233de61d01Sebastian Redl } 608f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner case Type::Pointer: { 609f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner unsigned AS = cast<PointerType>(T)->getPointeeType().getAddressSpace(); 6105426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(AS); 611f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(AS); 612f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner break; 613f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner } 614f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl case Type::MemberPointer: { 615f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType Pointee = cast<MemberPointerType>(T)->getPointeeType(); 6161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> PtrDiffInfo = 6171cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson getTypeInfo(getPointerDiffType()); 6181cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson Width = PtrDiffInfo.first; 619f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (Pointee->isFunctionType()) 620f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Width *= 2; 6211cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson Align = PtrDiffInfo.second; 6221cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson break; 623f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 6245d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::Complex: { 6255d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // Complex types have the same alignment as their elements, but twice the 6265d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // size. 6271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> EltInfo = 62898be4943e8dc4f3905629a7102668960873cf863Chris Lattner getTypeInfo(cast<ComplexType>(T)->getElementType()); 6299e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*2; 6305d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner Align = EltInfo.second; 6315d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner break; 6325d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner } 633c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: 634c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getTypeInfo(cast<ObjCObjectType>(T)->getBaseType().getTypePtr()); 63544a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel case Type::ObjCInterface: { 6361d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ObjCInterfaceType *ObjCI = cast<ObjCInterfaceType>(T); 63744a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &Layout = getASTObjCInterfaceLayout(ObjCI->getDecl()); 63844a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel Width = Layout.getSize(); 63944a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel Align = Layout.getAlignment(); 64044a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel break; 64144a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel } 64272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 64372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: { 6441d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const TagType *TT = cast<TagType>(T); 6451d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar 6461d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (TT->getDecl()->isInvalidDecl()) { 6478389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner Width = 1; 6488389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner Align = 1; 6498389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner break; 6508389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner } 6511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6521d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (const EnumType *ET = dyn_cast<EnumType>(TT)) 6537176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner return getTypeInfo(ET->getDecl()->getIntegerType()); 6547176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner 6551d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const RecordType *RT = cast<RecordType>(TT); 6567176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner const ASTRecordLayout &Layout = getASTRecordLayout(RT->getDecl()); 6577176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner Width = Layout.getSize(); 6587176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner Align = Layout.getAlignment(); 659dc0d73e6495404418acf8548875aeaff07791a74Chris Lattner break; 660a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 6617532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 6629fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner case Type::SubstTemplateTypeParm: 66349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getTypeInfo(cast<SubstTemplateTypeParmType>(T)-> 66449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall getReplacementType().getTypePtr()); 66549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 66618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::Typedef: { 66718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor const TypedefDecl *Typedef = cast<TypedefType>(T)->getDecl(); 66840b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (const AlignedAttr *Aligned = Typedef->getAttr<AlignedAttr>()) { 669bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Align = std::max(Aligned->getMaxAlignment(), 670bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt getTypeAlign(Typedef->getUnderlyingType().getTypePtr())); 67118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = getTypeSize(Typedef->getUnderlyingType().getTypePtr()); 67218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor } else 67318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(Typedef->getUnderlyingType().getTypePtr()); 6747532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor break; 6757176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner } 67618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 67718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOfExpr: 67818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfExprType>(T)->getUnderlyingExpr()->getType() 67918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor .getTypePtr()); 68018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 68118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOf: 68218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfType>(T)->getUnderlyingType().getTypePtr()); 68318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 684395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson case Type::Decltype: 685395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return getTypeInfo(cast<DecltypeType>(T)->getUnderlyingExpr()->getType() 686395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson .getTypePtr()); 687395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 688465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara case Type::Elaborated: 689465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return getTypeInfo(cast<ElaboratedType>(T)->getNamedType().getTypePtr()); 6901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 69118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TemplateSpecialization: 6921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(getCanonicalType(T) != T && 69318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor "Cannot request the size of a dependent type"); 69418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // FIXME: this is likely to be wrong once we support template 69518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // aliases, since a template alias could refer to a typedef that 69618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // has an __aligned__ attribute on it. 69718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(getCanonicalType(T)); 69818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor } 6991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 700464175bba1318bef7905122e9fda20cff926df78Chris Lattner assert(Align && (Align & (Align-1)) == 0 && "Alignment must be power of 2"); 7019e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner return std::make_pair(Width, Align); 702a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner} 703a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 704bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// getTypeSizeInChars - Return the size of the specified type, in characters. 705bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// This method does not work on incomplete types. 706bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen DyckCharUnits ASTContext::getTypeSizeInChars(QualType T) { 707199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return CharUnits::fromQuantity(getTypeSize(T) / getCharWidth()); 708bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 709bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen DyckCharUnits ASTContext::getTypeSizeInChars(const Type *T) { 710199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return CharUnits::fromQuantity(getTypeSize(T) / getCharWidth()); 711bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 712bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck 71316e20cce43385001f33f8e3f90ee345609c805d1Ken Dyck/// getTypeAlignInChars - Return the ABI-specified alignment of a type, in 71486fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck/// characters. This method does not work on incomplete types. 71586fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken DyckCharUnits ASTContext::getTypeAlignInChars(QualType T) { 71686fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck return CharUnits::fromQuantity(getTypeAlign(T) / getCharWidth()); 71786fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 71886fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken DyckCharUnits ASTContext::getTypeAlignInChars(const Type *T) { 71986fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck return CharUnits::fromQuantity(getTypeAlign(T) / getCharWidth()); 72086fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 72186fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck 72234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// getPreferredTypeAlign - Return the "preferred" alignment of the specified 72334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// type for the current target in bits. This can be different than the ABI 72434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// alignment in cases where it is beneficial for performance to overalign 72534ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// a data type. 72634ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattnerunsigned ASTContext::getPreferredTypeAlign(const Type *T) { 72734ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned ABIAlign = getTypeAlign(T); 7281eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 7291eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman // Double and long long should be naturally aligned if possible. 730183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType* CT = T->getAs<ComplexType>()) 7311eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T = CT->getElementType().getTypePtr(); 7321eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::Double) || 7331eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T->isSpecificBuiltinType(BuiltinType::LongLong)) 7341eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman return std::max(ABIAlign, (unsigned)getTypeSize(T)); 7351eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 73634ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner return ABIAlign; 73734ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner} 73834ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner 739a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbarstatic void CollectLocalObjCIvars(ASTContext *Ctx, 740a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar const ObjCInterfaceDecl *OI, 741a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar llvm::SmallVectorImpl<FieldDecl*> &Fields) { 742a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator I = OI->ivar_begin(), 743a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian E = OI->ivar_end(); I != E; ++I) { 744f1690858344968358131f8d5690d9ee458883000Chris Lattner ObjCIvarDecl *IVDecl = *I; 745a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian if (!IVDecl->isInvalidDecl()) 746a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian Fields.push_back(cast<FieldDecl>(IVDecl)); 747a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian } 748a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian} 749a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian 750a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbarvoid ASTContext::CollectObjCIvars(const ObjCInterfaceDecl *OI, 751a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar llvm::SmallVectorImpl<FieldDecl*> &Fields) { 752a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar if (const ObjCInterfaceDecl *SuperClass = OI->getSuperClass()) 753a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar CollectObjCIvars(SuperClass, Fields); 754a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar CollectLocalObjCIvars(this, OI, Fields); 755a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar} 756a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar 7578e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// ShallowCollectObjCIvars - 7588e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// Collect all ivars, including those synthesized, in the current class. 7598e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// 7608e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanianvoid ASTContext::ShallowCollectObjCIvars(const ObjCInterfaceDecl *OI, 76111062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) { 7628e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator I = OI->ivar_begin(), 7638e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian E = OI->ivar_end(); I != E; ++I) { 7648e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian Ivars.push_back(*I); 7658e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian } 76611062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian 76711062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian CollectNonClassIvars(OI, Ivars); 7688e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 7698e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 77011062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian/// CollectNonClassIvars - 77111062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian/// This routine collects all other ivars which are not declared in the class. 7727d2aa11c5c3b85a9d727ff868de666ba3bff5b59Ted Kremenek/// This includes synthesized ivars (via @synthesize) and those in 7737d2aa11c5c3b85a9d727ff868de666ba3bff5b59Ted Kremenek// class's @implementation. 7749820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian/// 77511062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanianvoid ASTContext::CollectNonClassIvars(const ObjCInterfaceDecl *OI, 7769820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) { 7770e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian // Find ivars declared in class extension. 7780e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian if (const ObjCCategoryDecl *CDecl = OI->getClassExtension()) { 7790e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian for (ObjCCategoryDecl::ivar_iterator I = CDecl->ivar_begin(), 7800e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian E = CDecl->ivar_end(); I != E; ++I) { 7810e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian Ivars.push_back(*I); 7820e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian } 7830e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian } 78411062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian 7857d2aa11c5c3b85a9d727ff868de666ba3bff5b59Ted Kremenek // Also add any ivar defined in this class's implementation. This 7867d2aa11c5c3b85a9d727ff868de666ba3bff5b59Ted Kremenek // includes synthesized ivars. 78711062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian if (ObjCImplementationDecl *ImplDecl = OI->getImplementation()) { 78811062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian for (ObjCImplementationDecl::ivar_iterator I = ImplDecl->ivar_begin(), 78911062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian E = ImplDecl->ivar_end(); I != E; ++I) 79011062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian Ivars.push_back(*I); 79111062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian } 7929820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian} 7939820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian 794e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// CollectInheritedProtocols - Collect all protocols in current class and 795e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// those inherited by it. 796e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid ASTContext::CollectInheritedProtocols(const Decl *CDecl, 797432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl*, 8> &Protocols) { 798e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (const ObjCInterfaceDecl *OI = dyn_cast<ObjCInterfaceDecl>(CDecl)) { 799e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCInterfaceDecl::protocol_iterator P = OI->protocol_begin(), 800e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OI->protocol_end(); P != PE; ++P) { 801e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 802432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 803e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 804b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) { 805b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian Protocols.insert(*P); 806e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 807e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 808b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian } 809e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 810e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian // Categories of this Interface. 811e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (const ObjCCategoryDecl *CDeclChain = OI->getCategoryList(); 812e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CDeclChain; CDeclChain = CDeclChain->getNextClassCategory()) 813e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(CDeclChain, Protocols); 814e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (ObjCInterfaceDecl *SD = OI->getSuperClass()) 815e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian while (SD) { 816e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(SD, Protocols); 817e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian SD = SD->getSuperClass(); 818e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 819b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCCategoryDecl *OC = dyn_cast<ObjCCategoryDecl>(CDecl)) { 820e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCInterfaceDecl::protocol_iterator P = OC->protocol_begin(), 821e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OC->protocol_end(); P != PE; ++P) { 822e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 823432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 824e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 825e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 826e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 827e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 828b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCProtocolDecl *OP = dyn_cast<ObjCProtocolDecl>(CDecl)) { 829e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = OP->protocol_begin(), 830e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OP->protocol_end(); P != PE; ++P) { 831e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 832432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 833e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 834e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 835e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 836e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 837e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 838e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 839e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 8403bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanianunsigned ASTContext::CountNonClassIvars(const ObjCInterfaceDecl *OI) { 8413bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian unsigned count = 0; 8423bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivars declared in class extension. 843b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer if (const ObjCCategoryDecl *CDecl = OI->getClassExtension()) 844b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += CDecl->ivar_size(); 845b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 8463bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivar defined in this class's implementation. This 8473bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // includes synthesized ivars. 8483bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian if (ObjCImplementationDecl *ImplDecl = OI->getImplementation()) 849b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += ImplDecl->ivar_size(); 850b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 8518e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian return count; 8528e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 8538e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 8548a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCInterfaceDecl,or NULL if none exists. 8558a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCImplementationDecl *ASTContext::getObjCImplementation(ObjCInterfaceDecl *D) { 8568a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 8578a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 8588a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 8598a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCImplementationDecl>(I->second); 8608a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 8618a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 8628a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCCategoryDecl, or NULL if none exists. 8638a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCCategoryImplDecl *ASTContext::getObjCImplementation(ObjCCategoryDecl *D) { 8648a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 8658a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 8668a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 8678a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCCategoryImplDecl>(I->second); 8688a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 8698a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 8708a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 8718a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCInterfaceDecl. 8728a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCInterfaceDecl *IFaceD, 8738a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImplementationDecl *ImplD) { 8748a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(IFaceD && ImplD && "Passed null params"); 8758a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[IFaceD] = ImplD; 8768a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 8778a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCCategoryDecl. 8788a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCCategoryDecl *CatD, 8798a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCCategoryImplDecl *ImplD) { 8808a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(CatD && ImplD && "Passed null params"); 8818a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[CatD] = ImplD; 8828a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 8838a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 884a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// \brief Allocate an uninitialized TypeSourceInfo. 885b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 886a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// The caller should initialize the memory held by TypeSourceInfo using 887b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// the TypeLoc wrappers. 888b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 889b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// \param T the type that will be the basis for type source info. This type 890b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// should refer to how the declarator was written in source code, not to 891b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// what type semantic analysis resolved the declarator to. 892a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::CreateTypeSourceInfo(QualType T, 893109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall unsigned DataSize) { 894109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall if (!DataSize) 895109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall DataSize = TypeLoc::getFullDataSizeForType(T); 896109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall else 897109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall assert(DataSize == TypeLoc::getFullDataSizeForType(T) && 898a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall "incorrect data size provided to CreateTypeSourceInfo!"); 899109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall 900a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *TInfo = 901a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall (TypeSourceInfo*)BumpAlloc.Allocate(sizeof(TypeSourceInfo) + DataSize, 8); 902a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall new (TInfo) TypeSourceInfo(T); 903a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall return TInfo; 904b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis} 905b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis 906a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::getTrivialTypeSourceInfo(QualType T, 907a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall SourceLocation L) { 908a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(T); 909a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall DI->getTypeLoc().initialize(L); 910a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall return DI; 911a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall} 912a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall 913b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 914b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel DunbarASTContext::getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D) { 915b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D, 0); 916b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 917b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 918b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 919b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel DunbarASTContext::getASTObjCImplementationLayout(const ObjCImplementationDecl *D) { 920b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D->getClassInterface(), D); 921b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 922b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 923a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 924a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner// Type creation/memoization methods 925a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 926a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 9270953e767ff7817f97b3ab20896b229891eeff45bJohn McCallQualType ASTContext::getExtQualType(const Type *TypeNode, Qualifiers Quals) { 9280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned Fast = Quals.getFastQualifiers(); 9290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.removeFastQualifiers(); 9300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 9310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Check if we've already instantiated this type. 9320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::FoldingSetNodeID ID; 9330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ExtQuals::Profile(ID, TypeNode, Quals); 9340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void *InsertPos = 0; 9350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (ExtQuals *EQ = ExtQualNodes.FindNodeOrInsertPos(ID, InsertPos)) { 9360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(EQ->getQualifiers() == Quals); 9370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = QualType(EQ, Fast); 9380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 9390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 9400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 9416b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtQuals *New = new (*this, TypeAlignment) ExtQuals(*this, TypeNode, Quals); 9420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ExtQualNodes.InsertNode(New, InsertPos); 9430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = QualType(New, Fast); 9440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 9450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 9460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 9470953e767ff7817f97b3ab20896b229891eeff45bJohn McCallQualType ASTContext::getVolatileType(QualType T) { 9480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType CanT = getCanonicalType(T); 9490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (CanT.isVolatileQualified()) return T; 9500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 9510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 9520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 9530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addVolatile(); 9540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 9550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 9560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 9570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 958f11284ac87daa613bc7b30db9f54bd716d123222Fariborz JahanianQualType ASTContext::getAddrSpaceQualType(QualType T, unsigned AddressSpace) { 959f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType CanT = getCanonicalType(T); 960f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner if (CanT.getAddressSpace() == AddressSpace) 961f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner return T; 962b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner 9630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 9640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 9650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 9660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 9671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an address space specified, it cannot get 9690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 9700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasAddressSpace() && 9710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot be in multiple addr spaces!"); 9720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addAddressSpace(AddressSpace); 9731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 975ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 976ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 977b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris LattnerQualType ASTContext::getObjCGCQualType(QualType T, 9780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GCAttr) { 979d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType CanT = getCanonicalType(T); 980b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner if (CanT.getObjCGCAttr() == GCAttr) 981d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian return T; 9821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9834027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian if (T->isPointerType()) { 9846217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType Pointee = T->getAs<PointerType>()->getPointeeType(); 98558f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff if (Pointee->isAnyPointerType()) { 9864027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian QualType ResultType = getObjCGCQualType(Pointee, GCAttr); 9874027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian return getPointerType(ResultType); 9884027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 9894027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 9901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 9920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 9930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 9940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 9951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an ObjCGC specified, it cannot get 9970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 9980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasObjCGCAttr() && 9990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot have multiple ObjCGCs!"); 10000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addObjCGCAttr(GCAttr); 10011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1003d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 1004a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 1005264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindolastatic QualType getExtFunctionType(ASTContext& Context, QualType T, 1006264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const FunctionType::ExtInfo &Info) { 10070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType ResultType; 100843c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (const PointerType *Pointer = T->getAs<PointerType>()) { 100943c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor QualType Pointee = Pointer->getPointeeType(); 1010264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ResultType = getExtFunctionType(Context, Pointee, Info); 101143c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (ResultType == Pointee) 101243c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1013ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1014ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor ResultType = Context.getPointerType(ResultType); 101543c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor } else if (const BlockPointerType *BlockPointer 101643c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor = T->getAs<BlockPointerType>()) { 101743c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor QualType Pointee = BlockPointer->getPointeeType(); 1018264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ResultType = getExtFunctionType(Context, Pointee, Info); 101943c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (ResultType == Pointee) 102043c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1021ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1022ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor ResultType = Context.getBlockPointerType(ResultType); 1023ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor } else if (const FunctionType *F = T->getAs<FunctionType>()) { 1024264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola if (F->getExtInfo() == Info) 102543c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1026ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 102743c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (const FunctionNoProtoType *FNPT = dyn_cast<FunctionNoProtoType>(F)) { 1028ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor ResultType = Context.getFunctionNoProtoType(FNPT->getResultType(), 1029264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info); 10300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } else { 103143c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor const FunctionProtoType *FPT = cast<FunctionProtoType>(F); 10320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ResultType 1033ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor = Context.getFunctionType(FPT->getResultType(), FPT->arg_type_begin(), 1034ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->getNumArgs(), FPT->isVariadic(), 1035ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->getTypeQuals(), 1036ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->hasExceptionSpec(), 1037ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->hasAnyExceptionSpec(), 1038ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->getNumExceptions(), 1039ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->exception_begin(), 1040264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info); 10410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 104243c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor } else 104343c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1044ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1045ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor return Context.getQualifiedType(ResultType, T.getLocalQualifiers()); 1046ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor} 1047ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1048ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas GregorQualType ASTContext::getNoReturnType(QualType T, bool AddNoReturn) { 1049425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo Info = getFunctionExtInfo(T); 1050264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getExtFunctionType(*this, T, 1051264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withNoReturn(AddNoReturn)); 1052ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor} 1053ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1054ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas GregorQualType ASTContext::getCallConvType(QualType T, CallingConv CallConv) { 1055425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo Info = getFunctionExtInfo(T); 1056264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getExtFunctionType(*this, T, 1057264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(CallConv)); 10582455636163fdd18581d7fdae816433f886d88213Mike Stump} 10592455636163fdd18581d7fdae816433f886d88213Mike Stump 1060425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael EspindolaQualType ASTContext::getRegParmType(QualType T, unsigned RegParm) { 1061425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo Info = getFunctionExtInfo(T); 1062425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola return getExtFunctionType(*this, T, 1063425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola Info.withRegParm(RegParm)); 1064425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola} 1065425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola 10665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getComplexType - Return the uniqued reference to the type for a complex 10675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// number with the specified element type. 10685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerQualType ASTContext::getComplexType(QualType T) { 10695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 10705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 10715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 10725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType::Profile(ID, T); 10731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 10755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ComplexType *CT = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos)) 10765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(CT, 0); 10771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 10795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 10805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1081467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1082f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getComplexType(getCanonicalType(T)); 10831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 10855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType *NewIP = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos); 1086f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 10875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10886b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ComplexType *New = new (*this, TypeAlignment) ComplexType(T, Canonical); 10895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 10905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexTypes.InsertNode(New, InsertPos); 10915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 10925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 10935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getPointerType - Return the uniqued reference to the type for a pointer to 10955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the specified type. 10965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerQualType ASTContext::getPointerType(QualType T) { 10975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 10985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 10995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 11005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType::Profile(ID, T); 11011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 11035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (PointerType *PT = PointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 11045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(PT, 0); 11051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 11075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 11085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1109467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1110f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getPointerType(getCanonicalType(T)); 11111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 11135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType *NewIP = PointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1114f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 11155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11166b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall PointerType *New = new (*this, TypeAlignment) PointerType(T, Canonical); 11175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 11185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerTypes.InsertNode(New, InsertPos); 11195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 11205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 11215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getBlockPointerType - Return the uniqued reference to the type for 11235618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// a pointer to the specified block. 11245618bd4a52c45fbbb605e3ba885663b2164db8a3Steve NaroffQualType ASTContext::getBlockPointerType(QualType T) { 1125296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff assert(T->isFunctionType() && "block of function types only"); 1126296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff // Unique pointers, to guarantee there is only one block of a particular 11275618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // structure. 11285618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSetNodeID ID; 11295618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType::Profile(ID, T); 11301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11315618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void *InsertPos = 0; 11325618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff if (BlockPointerType *PT = 11335618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 11345618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(PT, 0); 11351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the block pointee type isn't canonical, this won't be a canonical 11375618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // type either so fill in the canonical type field. 11385618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType Canonical; 1139467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 11405618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Canonical = getBlockPointerType(getCanonicalType(T)); 11411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11425618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the new insert position for the node we care about. 11435618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType *NewIP = 11445618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1145f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 11465618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 11476b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BlockPointerType *New 11486b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) BlockPointerType(T, Canonical); 11495618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Types.push_back(New); 11505618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.InsertNode(New, InsertPos); 11515618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(New, 0); 11525618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 11535618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 11547c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getLValueReferenceType - Return the uniqued reference to the type for an 11557c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// lvalue reference to the specified type. 115654e14c4db764c0636160d26c5bbf491637c83a76John McCallQualType ASTContext::getLValueReferenceType(QualType T, bool SpelledAsLValue) { 11575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 11585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 11595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 116054e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, SpelledAsLValue); 11615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 11637c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (LValueReferenceType *RT = 11647c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 11655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(RT, 0); 11667c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 116754e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 116854e14c4db764c0636160d26c5bbf491637c83a76John McCall 11695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the referencee type isn't canonical, this won't be a canonical type 11705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // either, so fill in the canonical type field. 11715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 117254e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!SpelledAsLValue || InnerRef || !T.isCanonical()) { 117354e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 117454e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getLValueReferenceType(getCanonicalType(PointeeType)); 11757c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 11767c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Get the new insert position for the node we care about. 11777c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceType *NewIP = 11787c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 11797c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 11807c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 11817c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 11826b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall LValueReferenceType *New 118354e14c4db764c0636160d26c5bbf491637c83a76John McCall = new (*this, TypeAlignment) LValueReferenceType(T, Canonical, 118454e14c4db764c0636160d26c5bbf491637c83a76John McCall SpelledAsLValue); 11857c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl Types.push_back(New); 11867c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.InsertNode(New, InsertPos); 118754e14c4db764c0636160d26c5bbf491637c83a76John McCall 11887c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(New, 0); 11897c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 11907c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 11917c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getRValueReferenceType - Return the uniqued reference to the type for an 11927c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// rvalue reference to the specified type. 11937c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian RedlQualType ASTContext::getRValueReferenceType(QualType T) { 11947c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 11957c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // structure. 11967c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSetNodeID ID; 119754e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, false); 11987c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 11997c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl void *InsertPos = 0; 12007c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (RValueReferenceType *RT = 12017c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 12027c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(RT, 0); 12037c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 120454e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 120554e14c4db764c0636160d26c5bbf491637c83a76John McCall 12067c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // If the referencee type isn't canonical, this won't be a canonical type 12077c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // either, so fill in the canonical type field. 12087c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType Canonical; 120954e14c4db764c0636160d26c5bbf491637c83a76John McCall if (InnerRef || !T.isCanonical()) { 121054e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 121154e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getRValueReferenceType(getCanonicalType(PointeeType)); 12127c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 12147c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType *NewIP = 12157c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1216f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 12175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12196b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall RValueReferenceType *New 12206b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) RValueReferenceType(T, Canonical); 12215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 12227c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.InsertNode(New, InsertPos); 12235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 12245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 12255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1226f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// getMemberPointerType - Return the uniqued reference to the type for a 1227f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// member pointer to the specified type, in the specified class. 12281eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getMemberPointerType(QualType T, const Type *Cls) { 1229f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 1230f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // structure. 1231f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl llvm::FoldingSetNodeID ID; 1232f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType::Profile(ID, T, Cls); 1233f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1234f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void *InsertPos = 0; 1235f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (MemberPointerType *PT = 1236f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 1237f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(PT, 0); 1238f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1239f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // If the pointee or class type isn't canonical, this won't be a canonical 1240f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // type either, so fill in the canonical type field. 1241f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType Canonical; 124287c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor if (!T.isCanonical() || !Cls->isCanonicalUnqualified()) { 1243f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Canonical = getMemberPointerType(getCanonicalType(T),getCanonicalType(Cls)); 1244f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1245f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Get the new insert position for the node we care about. 1246f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType *NewIP = 1247f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1248f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 1249f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 12506b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall MemberPointerType *New 12516b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) MemberPointerType(T, Cls, Canonical); 1252f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Types.push_back(New); 1253f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.InsertNode(New, InsertPos); 1254f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(New, 0); 1255f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 1256f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 12571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getConstantArrayType - Return the unique reference to the type for an 1258fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff/// array of the specified element type. 12591eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getConstantArrayType(QualType EltTy, 126038aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner const llvm::APInt &ArySizeIn, 1261c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 1262c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals) { 1263923d56d436f750bc1f29db50e641078725558a1bSebastian Redl assert((EltTy->isDependentType() || 1264923d56d436f750bc1f29db50e641078725558a1bSebastian Redl EltTy->isIncompleteType() || EltTy->isConstantSizeType()) && 1265587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman "Constant array of VLAs is illegal!"); 1266587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman 126738aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // Convert the array size into a canonical width matching the pointer size for 126838aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // the target. 126938aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner llvm::APInt ArySize(ArySizeIn); 127038aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner ArySize.zextOrTrunc(Target.getPointerWidth(EltTy.getAddressSpace())); 12711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 12730be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ConstantArrayType::Profile(ID, EltTy, ArySize, ASM, EltTypeQuals); 12741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 12761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ConstantArrayType *ATP = 12777192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 12785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(ATP, 0); 12791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 12815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 12825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1283467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!EltTy.isCanonical()) { 12841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Canonical = getConstantArrayType(getCanonicalType(EltTy), ArySize, 1285c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ASM, EltTypeQuals); 12865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 12871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstantArrayType *NewIP = 12887192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1289f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 12905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12926b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType *New = new(*this,TypeAlignment) 12936b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType(EltTy, Canonical, ArySize, ASM, EltTypeQuals); 12947192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.InsertNode(New, InsertPos); 12955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 12965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 12975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 12985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1299bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// getVariableArrayType - Returns a non-unique reference to the type for a 1300bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// variable array of the specified element type. 13017e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getVariableArrayType(QualType EltTy, 13027e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1303c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 13047e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 13057e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets) { 1306c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Since we don't unique expressions, it isn't possible to unique VLA's 1307c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // that have an expression provided for their size. 1308715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor QualType CanonType; 1309715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 1310715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor if (!EltTy.isCanonical()) { 1311715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor if (NumElts) 1312715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor NumElts->Retain(); 1313715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor CanonType = getVariableArrayType(getCanonicalType(EltTy), NumElts, ASM, 1314715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor EltTypeQuals, Brackets); 1315715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor } 1316715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 13176b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VariableArrayType *New = new(*this, TypeAlignment) 1318715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor VariableArrayType(EltTy, CanonType, NumElts, ASM, EltTypeQuals, Brackets); 1319c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1320c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman VariableArrayTypes.push_back(New); 1321c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1322c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1323c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman} 1324c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1325898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// getDependentSizedArrayType - Returns a non-unique reference to 1326898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// the type for a dependently-sized array of the specified element 132704d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor/// type. 13287e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getDependentSizedArrayType(QualType EltTy, 13297e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1330898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ArrayType::ArraySizeModifier ASM, 13317e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 13327e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets) { 1333cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor assert((!NumElts || NumElts->isTypeDependent() || 1334cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor NumElts->isValueDependent()) && 1335898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor "Size must be type- or value-dependent!"); 1336898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 133704d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor void *InsertPos = 0; 1338cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor DependentSizedArrayType *Canon = 0; 1339789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor llvm::FoldingSetNodeID ID; 1340cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 1341cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor if (NumElts) { 1342cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // Dependently-sized array types that do not have a specified 1343cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // number of elements will have their sizes deduced from an 1344cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // initializer. 1345cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor DependentSizedArrayType::Profile(ID, *this, getCanonicalType(EltTy), ASM, 1346cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor EltTypeQuals, NumElts); 1347cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 1348cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor Canon = DependentSizedArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1349cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor } 1350cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 135104d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor DependentSizedArrayType *New; 135204d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor if (Canon) { 135304d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor // We already have a canonical version of this array type; use it as 135404d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor // the canonical type for a newly-built type. 13556b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 13566b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedArrayType(*this, EltTy, QualType(Canon, 0), 13576b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumElts, ASM, EltTypeQuals, Brackets); 135804d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } else { 135904d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor QualType CanonEltTy = getCanonicalType(EltTy); 136004d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor if (CanonEltTy == EltTy) { 13616b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 13626b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedArrayType(*this, EltTy, QualType(), 13636b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumElts, ASM, EltTypeQuals, Brackets); 1364cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 1365789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (NumElts) { 1366789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentSizedArrayType *CanonCheck 1367789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentSizedArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1368789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CanonCheck && "Dependent-sized canonical array type broken"); 1369789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CanonCheck; 1370cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor DependentSizedArrayTypes.InsertNode(New, InsertPos); 1371789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 137204d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } else { 137304d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor QualType Canon = getDependentSizedArrayType(CanonEltTy, NumElts, 137404d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor ASM, EltTypeQuals, 137504d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor SourceRange()); 13766b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 13776b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedArrayType(*this, EltTy, Canon, 13786b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumElts, ASM, EltTypeQuals, Brackets); 137904d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } 138004d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } 13811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1382898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Types.push_back(New); 1383898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return QualType(New, 0); 1384898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor} 1385898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1386c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli FriedmanQualType ASTContext::getIncompleteArrayType(QualType EltTy, 1387c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 1388c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman unsigned EltTypeQuals) { 1389c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSetNodeID ID; 13900be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner IncompleteArrayType::Profile(ID, EltTy, ASM, EltTypeQuals); 1391c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1392c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman void *InsertPos = 0; 13931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (IncompleteArrayType *ATP = 1394c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 1395c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(ATP, 0); 1396c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1397c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // If the element type isn't canonical, this won't be a canonical type 1398c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // either, so fill in the canonical type field. 1399c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman QualType Canonical; 1400c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1401467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!EltTy.isCanonical()) { 1402f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getIncompleteArrayType(getCanonicalType(EltTy), 14032bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek ASM, EltTypeQuals); 1404c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1405c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Get the new insert position for the node we care about. 1406c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayType *NewIP = 1407c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1408f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 14092bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 1410c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 14116b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall IncompleteArrayType *New = new (*this, TypeAlignment) 14126b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall IncompleteArrayType(EltTy, Canonical, ASM, EltTypeQuals); 1413c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1414c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.InsertNode(New, InsertPos); 1415c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1416c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1417fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff} 1418fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 141973322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// getVectorType - Return the unique reference to a vector type of 142073322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 142182287d19ded35248c4ce6a425ce74116a13ce44eJohn ThompsonQualType ASTContext::getVectorType(QualType vecType, unsigned NumElts, 142282287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson bool IsAltiVec, bool IsPixel) { 14235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer BuiltinType *baseType; 14241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1425f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner baseType = dyn_cast<BuiltinType>(getCanonicalType(vecType).getTypePtr()); 142673322924127c873c13101b705dd823f5539ffa5fSteve Naroff assert(baseType != 0 && "getVectorType(): Expecting a built-in type"); 14271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Check if we've already instantiated a vector of this type. 14295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 143082287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VectorType::Profile(ID, vecType, NumElts, Type::Vector, 143182287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson IsAltiVec, IsPixel); 14325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 14335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 14345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(VTP, 0); 14355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 14375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 14385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 143982287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson if (!vecType.isCanonical() || IsAltiVec || IsPixel) { 144082287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson Canonical = getVectorType(getCanonicalType(vecType), 144182287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson NumElts, false, false); 14421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 14445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1445f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 14465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14476b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VectorType *New = new (*this, TypeAlignment) 144882287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VectorType(vecType, NumElts, Canonical, IsAltiVec, IsPixel); 14495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorTypes.InsertNode(New, InsertPos); 14505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 14515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 14525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 14535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1454213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// getExtVectorType - Return the unique reference to an extended vector type of 145573322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 1456213541a68a3e137d11d2cefb612c6cdb410d7e8eNate BegemanQualType ASTContext::getExtVectorType(QualType vecType, unsigned NumElts) { 145773322924127c873c13101b705dd823f5539ffa5fSteve Naroff BuiltinType *baseType; 14581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1459f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner baseType = dyn_cast<BuiltinType>(getCanonicalType(vecType).getTypePtr()); 1460213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman assert(baseType != 0 && "getExtVectorType(): Expecting a built-in type"); 14611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 146273322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Check if we've already instantiated a vector of this type. 146373322924127c873c13101b705dd823f5539ffa5fSteve Naroff llvm::FoldingSetNodeID ID; 146482287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VectorType::Profile(ID, vecType, NumElts, Type::ExtVector, false, false); 146573322924127c873c13101b705dd823f5539ffa5fSteve Naroff void *InsertPos = 0; 146673322924127c873c13101b705dd823f5539ffa5fSteve Naroff if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 146773322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(VTP, 0); 146873322924127c873c13101b705dd823f5539ffa5fSteve Naroff 146973322924127c873c13101b705dd823f5539ffa5fSteve Naroff // If the element type isn't canonical, this won't be a canonical type either, 147073322924127c873c13101b705dd823f5539ffa5fSteve Naroff // so fill in the canonical type field. 147173322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType Canonical; 1472467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!vecType.isCanonical()) { 1473213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman Canonical = getExtVectorType(getCanonicalType(vecType), NumElts); 14741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 147573322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Get the new insert position for the node we care about. 147673322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1477f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 147873322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 14796b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType *New = new (*this, TypeAlignment) 14806b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType(vecType, NumElts, Canonical); 148173322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorTypes.InsertNode(New, InsertPos); 148273322924127c873c13101b705dd823f5539ffa5fSteve Naroff Types.push_back(New); 148373322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(New, 0); 148473322924127c873c13101b705dd823f5539ffa5fSteve Naroff} 148573322924127c873c13101b705dd823f5539ffa5fSteve Naroff 14861eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getDependentSizedExtVectorType(QualType vecType, 14879cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Expr *SizeExpr, 14889cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation AttrLoc) { 14892ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor llvm::FoldingSetNodeID ID; 14901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedExtVectorType::Profile(ID, *this, getCanonicalType(vecType), 14912ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SizeExpr); 14921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14932ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void *InsertPos = 0; 14942ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *Canon 14952ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 14962ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *New; 14972ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (Canon) { 14982ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // We already have a canonical version of this array type; use it as 14992ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // the canonical type for a newly-built type. 15006b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 15016b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(Canon, 0), 15026b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall SizeExpr, AttrLoc); 15032ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 15042ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType CanonVecTy = getCanonicalType(vecType); 15052ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (CanonVecTy == vecType) { 15066b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 15076b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(), SizeExpr, 15086b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall AttrLoc); 1509789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1510789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentSizedExtVectorType *CanonCheck 1511789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1512789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CanonCheck && "Dependent-sized ext_vector canonical type broken"); 1513789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CanonCheck; 15142ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorTypes.InsertNode(New, InsertPos); 15152ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 15162ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType Canon = getDependentSizedExtVectorType(CanonVecTy, SizeExpr, 15172ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SourceLocation()); 15186b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 15196b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, Canon, SizeExpr, AttrLoc); 15202ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 15212ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 15221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15239cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Types.push_back(New); 15249cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor return QualType(New, 0); 15259cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor} 15269cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 152772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. 15285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 1529264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael EspindolaQualType ASTContext::getFunctionNoProtoType(QualType ResultTy, 1530264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const FunctionType::ExtInfo &Info) { 1531264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const CallingConv CallConv = Info.getCC(); 15325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 15335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 15345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1535264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionNoProtoType::Profile(ID, ResultTy, Info); 15361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 15381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionNoProtoType *FT = 153972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 15405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FT, 0); 15411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1543ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor if (!ResultTy.isCanonical() || 154404a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall getCanonicalCallConv(CallConv) != CallConv) { 1545264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Canonical = 1546264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola getFunctionNoProtoType(getCanonicalType(ResultTy), 1547264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(getCanonicalCallConv(CallConv))); 15481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 155072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoType *NewIP = 155172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1552f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 15535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15556b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall FunctionNoProtoType *New = new (*this, TypeAlignment) 1556264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionNoProtoType(ResultTy, Canonical, Info); 15575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 155872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.InsertNode(New, InsertPos); 15595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 15605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 15615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFunctionType - Return a normal function type with a typed argument 15635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// list. isVariadic indicates whether the argument list includes '...'. 156461710854be2b098428aff5316e64bd34b30fbcb7Chris LattnerQualType ASTContext::getFunctionType(QualType ResultTy,const QualType *ArgArray, 1565971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned NumArgs, bool isVariadic, 1566465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned TypeQuals, bool hasExceptionSpec, 1567465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasAnyExceptionSpec, unsigned NumExs, 1568264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const QualType *ExArray, 1569264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const FunctionType::ExtInfo &Info) { 1570264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const CallingConv CallConv= Info.getCC(); 15715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 15725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 15735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 157472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType::Profile(ID, ResultTy, ArgArray, NumArgs, isVariadic, 1575465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl TypeQuals, hasExceptionSpec, hasAnyExceptionSpec, 1576264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola NumExs, ExArray, Info); 15775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 15791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionProtoType *FTP = 158072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 15815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 1582465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1583465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // Determine whether the type being created is already canonical or not. 158454e14c4db764c0636160d26c5bbf491637c83a76John McCall bool isCanonical = !hasExceptionSpec && ResultTy.isCanonical(); 15855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs && isCanonical; ++i) 158654e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!ArgArray[i].isCanonicalAsParam()) 15875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isCanonical = false; 15885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If this type isn't canonical, get the canonical version of it. 1590465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // The exception spec is not part of the canonical type. 15915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 159204a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (!isCanonical || getCanonicalCallConv(CallConv) != CallConv) { 15935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::SmallVector<QualType, 16> CanonicalArgs; 15945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CanonicalArgs.reserve(NumArgs); 15955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs; ++i) 159654e14c4db764c0636160d26c5bbf491637c83a76John McCall CanonicalArgs.push_back(getCanonicalParamType(ArgArray[i])); 1597465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1598f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getFunctionType(getCanonicalType(ResultTy), 1599beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad CanonicalArgs.data(), NumArgs, 160047259d9ca7840dd66f06f5f11da7768b23d1e0fdDouglas Gregor isVariadic, TypeQuals, false, 1601264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, 0, 0, 1602264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(getCanonicalCallConv(CallConv))); 1603465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 16045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 160572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType *NewIP = 160672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1607f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 16085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1609465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 161072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor // FunctionProtoType objects are allocated with extra bytes after them 1611465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // for two variable size arrays (for parameter and exception types) at the 1612465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // end of them. 16131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FunctionProtoType *FTP = 1614465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl (FunctionProtoType*)Allocate(sizeof(FunctionProtoType) + 1615465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl NumArgs*sizeof(QualType) + 16166b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumExs*sizeof(QualType), TypeAlignment); 161772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor new (FTP) FunctionProtoType(ResultTy, ArgArray, NumArgs, isVariadic, 1618465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl TypeQuals, hasExceptionSpec, hasAnyExceptionSpec, 1619264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExArray, NumExs, Canonical, Info); 16205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(FTP); 162172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.InsertNode(FTP, InsertPos); 16225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 16235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 16245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16253cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#ifndef NDEBUG 16263cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallstatic bool NeedsInjectedClassNameType(const RecordDecl *D) { 16273cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (!isa<CXXRecordDecl>(D)) return false; 16283cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const CXXRecordDecl *RD = cast<CXXRecordDecl>(D); 16293cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (isa<ClassTemplatePartialSpecializationDecl>(RD)) 16303cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 16313cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (RD->getDescribedClassTemplate() && 16323cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall !isa<ClassTemplateSpecializationDecl>(RD)) 16333cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 16343cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return false; 16353cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 16363cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#endif 16373cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 16383cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// getInjectedClassNameType - Return the unique reference to the 16393cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// injected class name type for the specified templated declaration. 16403cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallQualType ASTContext::getInjectedClassNameType(CXXRecordDecl *Decl, 16413cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType TST) { 16423cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(NeedsInjectedClassNameType(Decl)); 16433cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (Decl->TypeForDecl) { 16443cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 16453cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } else if (CXXRecordDecl *PrevDecl 16463cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall = cast_or_null<CXXRecordDecl>(Decl->getPreviousDeclaration())) { 16473cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(PrevDecl->TypeForDecl && "previous declaration has no type"); 16483cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall Decl->TypeForDecl = PrevDecl->TypeForDecl; 16493cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 16503cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } else { 165131f17ecbef57b5679c017c375db330546b7b5145John McCall Decl->TypeForDecl = 165231f17ecbef57b5679c017c375db330546b7b5145John McCall new (*this, TypeAlignment) InjectedClassNameType(Decl, TST); 16533cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall Types.push_back(Decl->TypeForDecl); 16543cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 16553cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return QualType(Decl->TypeForDecl, 0); 16563cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 16573cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 16582ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// getTypeDeclType - Return the unique reference to the type for the 16592ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// specified type declaration. 1660becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCallQualType ASTContext::getTypeDeclTypeSlow(const TypeDecl *Decl) { 16611e6759e9e33dcaa73ce14c8a908ac9f87ac16463Argyrios Kyrtzidis assert(Decl && "Passed null for Decl param"); 1662becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Decl->TypeForDecl && "TypeForDecl present in slow case"); 16631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 166419c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const TypedefDecl *Typedef = dyn_cast<TypedefDecl>(Decl)) 16652ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor return getTypedefType(Typedef); 1666becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 1667becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!isa<TemplateTypeParmDecl>(Decl) && 1668becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "Template type parameter types are always available."); 1669becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 167019c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const RecordDecl *Record = dyn_cast<RecordDecl>(Decl)) { 1671becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Record->getPreviousDeclaration() && 1672becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "struct/union has previous declaration"); 1673becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!NeedsInjectedClassNameType(Record)); 1674becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall Decl->TypeForDecl = new (*this, TypeAlignment) RecordType(Record); 167519c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const EnumDecl *Enum = dyn_cast<EnumDecl>(Decl)) { 1676becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Enum->getPreviousDeclaration() && 1677becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "enum has previous declaration"); 1678becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall Decl->TypeForDecl = new (*this, TypeAlignment) EnumType(Enum); 167919c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const UnresolvedUsingTypenameDecl *Using = 1680ed97649e9574b9d854fa4d6109c9333ae0993554John McCall dyn_cast<UnresolvedUsingTypenameDecl>(Decl)) { 1681ed97649e9574b9d854fa4d6109c9333ae0993554John McCall Decl->TypeForDecl = new (*this, TypeAlignment) UnresolvedUsingType(Using); 16829fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else 1683becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall llvm_unreachable("TypeDecl without a type?"); 168449aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis 1685becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall Types.push_back(Decl->TypeForDecl); 168649aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 16872ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor} 16882ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 16895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTypedefType - Return the unique reference to the type for the 16905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified typename decl. 169119c8576b7328f4dc2d07682f5da552875c1912efJohn McCallQualType ASTContext::getTypedefType(const TypedefDecl *Decl) { 16925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 16931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1694f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType Canonical = getCanonicalType(Decl->getUnderlyingType()); 16956b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Decl->TypeForDecl = new(*this, TypeAlignment) 16966b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypedefType(Type::Typedef, Decl, Canonical); 16975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(Decl->TypeForDecl); 16985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(Decl->TypeForDecl, 0); 16995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 17005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 170149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Retrieve a substitution-result type. 170249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallQualType 170349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallASTContext::getSubstTemplateTypeParmType(const TemplateTypeParmType *Parm, 170449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType Replacement) { 1705467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(Replacement.isCanonical() 170649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall && "replacement types must always be canonical"); 170749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 170849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall llvm::FoldingSetNodeID ID; 170949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType::Profile(ID, Parm, Replacement); 171049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void *InsertPos = 0; 171149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType *SubstParm 171249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall = SubstTemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 171349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 171449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall if (!SubstParm) { 171549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstParm = new (*this, TypeAlignment) 171649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(Parm, Replacement); 171749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Types.push_back(SubstParm); 171849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); 171949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 172049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 172149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return QualType(SubstParm, 0); 172249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall} 172349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 1724fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor/// \brief Retrieve the template type parameter type for a template 17251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parameter or parameter pack with the given depth, index, and (optionally) 172676e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson/// name. 17271eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getTemplateTypeParmType(unsigned Depth, unsigned Index, 172876e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson bool ParameterPack, 1729fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor IdentifierInfo *Name) { 1730fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor llvm::FoldingSetNodeID ID; 173176e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson TemplateTypeParmType::Profile(ID, Depth, Index, ParameterPack, Name); 1732fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void *InsertPos = 0; 17331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType *TypeParm 1734fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 1735fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1736fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor if (TypeParm) 1737fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 17381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 173976e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson if (Name) { 174076e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson QualType Canon = getTemplateTypeParmType(Depth, Index, ParameterPack); 17416b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeParm = new (*this, TypeAlignment) 17426b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TemplateTypeParmType(Depth, Index, ParameterPack, Name, Canon); 1743789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1744789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor TemplateTypeParmType *TypeCheck 1745789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 1746789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!TypeCheck && "Template type parameter canonical type broken"); 1747789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)TypeCheck; 174876e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson } else 17496b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeParm = new (*this, TypeAlignment) 17506b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TemplateTypeParmType(Depth, Index, ParameterPack); 1751fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1752fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor Types.push_back(TypeParm); 1753fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor TemplateTypeParmTypes.InsertNode(TypeParm, InsertPos); 1754fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1755fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 1756fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor} 1757fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 17583cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallTypeSourceInfo * 17593cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallASTContext::getTemplateSpecializationTypeInfo(TemplateName Name, 17603cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall SourceLocation NameLoc, 17613cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const TemplateArgumentListInfo &Args, 17623cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType CanonType) { 17633cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType TST = getTemplateSpecializationType(Name, Args, CanonType); 17643cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 17653cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(TST); 17663cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TemplateSpecializationTypeLoc TL 17673cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall = cast<TemplateSpecializationTypeLoc>(DI->getTypeLoc()); 17683cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setTemplateNameLoc(NameLoc); 17693cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setLAngleLoc(Args.getLAngleLoc()); 17703cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setRAngleLoc(Args.getRAngleLoc()); 17713cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i) 17723cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setArgLocInfo(i, Args[i].getLocInfo()); 17733cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return DI; 17743cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 17753cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 17761eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 17777532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas GregorASTContext::getTemplateSpecializationType(TemplateName Template, 1778d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo &Args, 177931f17ecbef57b5679c017c375db330546b7b5145John McCall QualType Canon, 178031f17ecbef57b5679c017c375db330546b7b5145John McCall bool IsCurrentInstantiation) { 1781d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall unsigned NumArgs = Args.size(); 1782d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 1783833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall llvm::SmallVector<TemplateArgument, 4> ArgVec; 1784833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.reserve(NumArgs); 1785833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall for (unsigned i = 0; i != NumArgs; ++i) 1786833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.push_back(Args[i].getArgument()); 1787833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 178831f17ecbef57b5679c017c375db330546b7b5145John McCall return getTemplateSpecializationType(Template, ArgVec.data(), NumArgs, 178931f17ecbef57b5679c017c375db330546b7b5145John McCall Canon, IsCurrentInstantiation); 1790833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall} 1791833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 1792833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallQualType 1793833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallASTContext::getTemplateSpecializationType(TemplateName Template, 17947532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 17957532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, 179631f17ecbef57b5679c017c375db330546b7b5145John McCall QualType Canon, 179731f17ecbef57b5679c017c375db330546b7b5145John McCall bool IsCurrentInstantiation) { 1798b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor if (!Canon.isNull()) 1799b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor Canon = getCanonicalType(Canon); 1800b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor else { 180131f17ecbef57b5679c017c375db330546b7b5145John McCall assert(!IsCurrentInstantiation && 180231f17ecbef57b5679c017c375db330546b7b5145John McCall "current-instantiation specializations should always " 180331f17ecbef57b5679c017c375db330546b7b5145John McCall "have a canonical type"); 180431f17ecbef57b5679c017c375db330546b7b5145John McCall 1805b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor // Build the canonical template specialization type. 18061275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateName CanonTemplate = getCanonicalTemplateName(Template); 18071275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor llvm::SmallVector<TemplateArgument, 4> CanonArgs; 18081275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs.reserve(NumArgs); 18091275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor for (unsigned I = 0; I != NumArgs; ++I) 18101275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs.push_back(getCanonicalTemplateArgument(Args[I])); 18111275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 18121275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Determine whether this canonical template specialization type already 18131275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // exists. 18141275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor llvm::FoldingSetNodeID ID; 181531f17ecbef57b5679c017c375db330546b7b5145John McCall TemplateSpecializationType::Profile(ID, CanonTemplate, false, 1816828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor CanonArgs.data(), NumArgs, *this); 18171275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 18181275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor void *InsertPos = 0; 18191275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateSpecializationType *Spec 18201275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor = TemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 18211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18221275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor if (!Spec) { 18231275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Allocate a new canonical template specialization type. 18241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void *Mem = Allocate((sizeof(TemplateSpecializationType) + 18251275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor sizeof(TemplateArgument) * NumArgs), 18266b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment); 182731f17ecbef57b5679c017c375db330546b7b5145John McCall Spec = new (Mem) TemplateSpecializationType(*this, CanonTemplate, false, 18281275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs.data(), NumArgs, 1829b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor Canon); 18301275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor Types.push_back(Spec); 18311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateSpecializationTypes.InsertNode(Spec, InsertPos); 18321275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 18331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1834b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor if (Canon.isNull()) 1835b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor Canon = QualType(Spec, 0); 18361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(Canon->isDependentType() && 18371275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor "Non-dependent template-id type must have a canonical type"); 1838b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor } 1839fc705b84347e6fb4746a1a7e26949f64c2f2f358Douglas Gregor 18401275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Allocate the (non-canonical) template specialization type, but don't 18411275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // try to unique it: these types typically have location information that 18421275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // we don't unique and don't want to lose. 18431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void *Mem = Allocate((sizeof(TemplateSpecializationType) + 184440808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor sizeof(TemplateArgument) * NumArgs), 18456b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment); 18461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateSpecializationType *Spec 184731f17ecbef57b5679c017c375db330546b7b5145John McCall = new (Mem) TemplateSpecializationType(*this, Template, 184831f17ecbef57b5679c017c375db330546b7b5145John McCall IsCurrentInstantiation, 184931f17ecbef57b5679c017c375db330546b7b5145John McCall Args, NumArgs, 1850828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor Canon); 18511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 185255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor Types.push_back(Spec); 18531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(Spec, 0); 185455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor} 185555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 18561eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 1857465d41b92b2c862f3062c412a0538db65c6a2661Abramo BagnaraASTContext::getElaboratedType(ElaboratedTypeKeyword Keyword, 1858465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, 1859465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara QualType NamedType) { 1860e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor llvm::FoldingSetNodeID ID; 1861465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType::Profile(ID, Keyword, NNS, NamedType); 1862e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 1863e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void *InsertPos = 0; 1864465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *T = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 1865e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor if (T) 1866e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 1867e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 1868789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor QualType Canon = NamedType; 1869789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (!Canon.isCanonical()) { 1870789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor Canon = getCanonicalType(NamedType); 1871465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *CheckT = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 1872465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara assert(!CheckT && "Elaborated canonical type broken"); 1873789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckT; 1874789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 1875789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1876465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = new (*this) ElaboratedType(Keyword, NNS, NamedType, Canon); 1877e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor Types.push_back(T); 1878465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedTypes.InsertNode(T, InsertPos); 1879e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 1880e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor} 1881e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 18824a2023f5014e82389d5980d307b89c545dbbac81Douglas GregorQualType ASTContext::getDependentNameType(ElaboratedTypeKeyword Keyword, 18834a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 18844a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, 18854a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor QualType Canon) { 1886d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 1887d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1888d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (Canon.isNull()) { 1889d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 18904a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ElaboratedTypeKeyword CanonKeyword = Keyword; 18914a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (Keyword == ETK_None) 18924a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor CanonKeyword = ETK_Typename; 18934a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor 18944a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (CanonNNS != NNS || CanonKeyword != Keyword) 18954a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor Canon = getDependentNameType(CanonKeyword, CanonNNS, Name); 1896d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 1897d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1898d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor llvm::FoldingSetNodeID ID; 18994a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType::Profile(ID, Keyword, NNS, Name); 1900d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1901d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void *InsertPos = 0; 19024714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameType *T 19034714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor = DependentNameTypes.FindNodeOrInsertPos(ID, InsertPos); 1904d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (T) 1905d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return QualType(T, 0); 1906d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 19074a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor T = new (*this) DependentNameType(Keyword, NNS, Name, Canon); 1908d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor Types.push_back(T); 19094714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameTypes.InsertNode(T, InsertPos); 19101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 1911d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 1912d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 19131eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 19144a2023f5014e82389d5980d307b89c545dbbac81Douglas GregorASTContext::getDependentNameType(ElaboratedTypeKeyword Keyword, 19154a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 19164a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const TemplateSpecializationType *TemplateId, 19174a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor QualType Canon) { 19181734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 19191734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 1920789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor llvm::FoldingSetNodeID ID; 19214a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType::Profile(ID, Keyword, NNS, TemplateId); 1922789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1923789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor void *InsertPos = 0; 19244714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameType *T 19254714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor = DependentNameTypes.FindNodeOrInsertPos(ID, InsertPos); 1926789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (T) 1927789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor return QualType(T, 0); 1928789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 19291734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor if (Canon.isNull()) { 19301734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 19311734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor QualType CanonType = getCanonicalType(QualType(TemplateId, 0)); 19324a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ElaboratedTypeKeyword CanonKeyword = Keyword; 19334a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (Keyword == ETK_None) 19344a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor CanonKeyword = ETK_Typename; 19354a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (CanonNNS != NNS || CanonKeyword != Keyword || 19364a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor CanonType != QualType(TemplateId, 0)) { 19371734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor const TemplateSpecializationType *CanonTemplateId 1938183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall = CanonType->getAs<TemplateSpecializationType>(); 19391734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor assert(CanonTemplateId && 19401734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor "Canonical type must also be a template specialization type"); 19414a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor Canon = getDependentNameType(CanonKeyword, CanonNNS, CanonTemplateId); 19421734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor } 19431734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 19444714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameType *CheckT 19454714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor = DependentNameTypes.FindNodeOrInsertPos(ID, InsertPos); 1946789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckT && "Typename canonical type is broken"); (void)CheckT; 1947789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 19481734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 19494a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor T = new (*this) DependentNameType(Keyword, NNS, TemplateId, Canon); 19501734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Types.push_back(T); 19514714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameTypes.InsertNode(T, InsertPos); 19521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 19531734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor} 19541734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 195588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// CmpProtocolNames - Comparison predicate for sorting protocols 195688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// alphabetically. 195788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattnerstatic bool CmpProtocolNames(const ObjCProtocolDecl *LHS, 195888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner const ObjCProtocolDecl *RHS) { 19592e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return LHS->getDeclName() < RHS->getDeclName(); 196088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 196188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 1962c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallstatic bool areSortedAndUniqued(ObjCProtocolDecl * const *Protocols, 196354e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned NumProtocols) { 196454e14c4db764c0636160d26c5bbf491637c83a76John McCall if (NumProtocols == 0) return true; 196554e14c4db764c0636160d26c5bbf491637c83a76John McCall 196654e14c4db764c0636160d26c5bbf491637c83a76John McCall for (unsigned i = 1; i != NumProtocols; ++i) 196754e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!CmpProtocolNames(Protocols[i-1], Protocols[i])) 196854e14c4db764c0636160d26c5bbf491637c83a76John McCall return false; 196954e14c4db764c0636160d26c5bbf491637c83a76John McCall return true; 197054e14c4db764c0636160d26c5bbf491637c83a76John McCall} 197154e14c4db764c0636160d26c5bbf491637c83a76John McCall 197254e14c4db764c0636160d26c5bbf491637c83a76John McCallstatic void SortAndUniqueProtocols(ObjCProtocolDecl **Protocols, 197388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner unsigned &NumProtocols) { 197488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ObjCProtocolDecl **ProtocolsEnd = Protocols+NumProtocols; 19751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 197688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Sort protocols, keyed by name. 197788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner std::sort(Protocols, Protocols+NumProtocols, CmpProtocolNames); 197888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 197988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Remove duplicates. 198088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ProtocolsEnd = std::unique(Protocols, ProtocolsEnd); 198188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner NumProtocols = ProtocolsEnd-Protocols; 198288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 198388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 1984c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallQualType ASTContext::getObjCObjectType(QualType BaseType, 1985c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 1986c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols) { 1987c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If the base type is an interface and there aren't any protocols 1988c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // to add, then the interface type will do just fine. 1989c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!NumProtocols && isa<ObjCInterfaceType>(BaseType)) 1990c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return BaseType; 1991d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 1992c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Look in the folding set for an existing type. 1993c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::FoldingSetNodeID ID; 1994c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl::Profile(ID, BaseType, Protocols, NumProtocols); 1995d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff void *InsertPos = 0; 1996c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectType *QT = ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos)) 1997c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(QT, 0); 1998d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 1999c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Build the canonical type, which has the canonical base type and 2000c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // a sorted-and-uniqued list of protocols. 200154e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2002c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool ProtocolsSorted = areSortedAndUniqued(Protocols, NumProtocols); 2003c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted || !BaseType.isCanonical()) { 2004c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted) { 20050237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer llvm::SmallVector<ObjCProtocolDecl*, 8> Sorted(Protocols, 20060237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer Protocols + NumProtocols); 200754e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned UniqueCount = NumProtocols; 200854e14c4db764c0636160d26c5bbf491637c83a76John McCall 200954e14c4db764c0636160d26c5bbf491637c83a76John McCall SortAndUniqueProtocols(&Sorted[0], UniqueCount); 2010c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2011c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall &Sorted[0], UniqueCount); 201254e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 2013c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2014c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Protocols, NumProtocols); 201554e14c4db764c0636160d26c5bbf491637c83a76John McCall } 201654e14c4db764c0636160d26c5bbf491637c83a76John McCall 201754e14c4db764c0636160d26c5bbf491637c83a76John McCall // Regenerate InsertPos. 2018c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos); 201954e14c4db764c0636160d26c5bbf491637c83a76John McCall } 202054e14c4db764c0636160d26c5bbf491637c83a76John McCall 2021c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned Size = sizeof(ObjCObjectTypeImpl); 2022c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Size += NumProtocols * sizeof(ObjCProtocolDecl *); 2023fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor void *Mem = Allocate(Size, TypeAlignment); 2024c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl *T = 2025c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectTypeImpl(Canonical, BaseType, Protocols, NumProtocols); 20261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2027c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Types.push_back(T); 2028c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.InsertNode(T, InsertPos); 2029c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(T, 0); 2030d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 203188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2032c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// getObjCObjectPointerType - Return a ObjCObjectPointerType type for 2033c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// the given object type. 2034c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallQualType ASTContext::getObjCObjectPointerType(QualType ObjectT) { 20354b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian llvm::FoldingSetNodeID ID; 2036c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType::Profile(ID, ObjectT); 20371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20384b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian void *InsertPos = 0; 2039c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectPointerType *QT = 2040c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 20414b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian return QualType(QT, 0); 20421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2043c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Find the canonical object type. 204454e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2045c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ObjectT.isCanonical()) { 2046c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectPointerType(getCanonicalType(ObjectT)); 204754e14c4db764c0636160d26c5bbf491637c83a76John McCall 2048c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Regenerate InsertPos. 2049c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 205054e14c4db764c0636160d26c5bbf491637c83a76John McCall } 205154e14c4db764c0636160d26c5bbf491637c83a76John McCall 2052c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // No match. 2053c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void *Mem = Allocate(sizeof(ObjCObjectPointerType), TypeAlignment); 2054c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType *QType = 2055c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectPointerType(Canonical, ObjectT); 205624fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 205724fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis Types.push_back(QType); 2058c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.InsertNode(QType, InsertPos); 205924fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis return QualType(QType, 0); 206024fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis} 206124fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 2062c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// getObjCInterfaceType - Return the unique reference to the type for the 2063c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// specified ObjC interface decl. The list of protocols is optional. 2064c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallQualType ASTContext::getObjCInterfaceType(const ObjCInterfaceDecl *Decl) { 2065c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (Decl->TypeForDecl) 2066c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(Decl->TypeForDecl, 0); 2067c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 2068c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // FIXME: redeclarations? 2069c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void *Mem = Allocate(sizeof(ObjCInterfaceType), TypeAlignment); 2070c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceType *T = new (Mem) ObjCInterfaceType(Decl); 2071c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Decl->TypeForDecl = T; 2072c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Types.push_back(T); 2073c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(T, 0); 2074c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 2075c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 207672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getTypeOfExprType - Unlike many "get<Type>" functions, we can't unique 207772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType AST's (since expression's are never shared). For example, 20789752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// multiple declarations that refer to "typeof(x)" all contain different 20791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// DeclRefExpr's. This doesn't effect the type checker, since it operates 20809752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 208172564e73277e29f6db3305d1f27ba408abb7ed88Douglas GregorQualType ASTContext::getTypeOfExprType(Expr *tofExpr) { 2082dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType *toe; 2083b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (tofExpr->isTypeDependent()) { 2084b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor llvm::FoldingSetNodeID ID; 2085b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType::Profile(ID, *this, tofExpr); 20861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2087b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void *InsertPos = 0; 2088b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType *Canon 2089b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor = DependentTypeOfExprTypes.FindNodeOrInsertPos(ID, InsertPos); 2090b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (Canon) { 2091b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // We already have a "canonical" version of an identical, dependent 2092b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // typeof(expr) type. Use that as our canonical type. 20936b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, 2094b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor QualType((TypeOfExprType*)Canon, 0)); 2095b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2096b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor else { 2097b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // Build a new, canonical typeof(expr) type. 20986b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon 20996b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) DependentTypeOfExprType(*this, tofExpr); 2100b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprTypes.InsertNode(Canon, InsertPos); 2101b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor toe = Canon; 2102b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2103b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } else { 2104dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType Canonical = getCanonicalType(tofExpr->getType()); 21056b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, Canonical); 2106dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 21079752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(toe); 21089752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(toe, 0); 2109d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2110d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 21119752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// getTypeOfType - Unlike many "get<Type>" functions, we don't unique 21129752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// TypeOfType AST's. The only motivation to unique these nodes would be 21139752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// memory savings. Since typeof(t) is fairly uncommon, space shouldn't be 21141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 21159752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 2116d1861fd633d5096a00777c918eb8575ea7162fe7Steve NaroffQualType ASTContext::getTypeOfType(QualType tofType) { 2117f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType Canonical = getCanonicalType(tofType); 21186b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeOfType *tot = new (*this, TypeAlignment) TypeOfType(tofType, Canonical); 21199752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(tot); 21209752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(tot, 0); 2121d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2122d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 212360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// getDecltypeForExpr - Given an expr, will return the decltype for that 212460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// expression, according to the rules in C++0x [dcl.type.simple]p4 212560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlssonstatic QualType getDecltypeForExpr(const Expr *e, ASTContext &Context) { 2126a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson if (e->isTypeDependent()) 2127a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson return Context.DependentTy; 21281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 212960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is an id expression or a class member access, decltype(e) is defined 213060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // as the type of the entity named by e. 213160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(e)) { 213260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const ValueDecl *VD = dyn_cast<ValueDecl>(DRE->getDecl())) 213360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return VD->getType(); 213460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 213560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const MemberExpr *ME = dyn_cast<MemberExpr>(e)) { 213660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const FieldDecl *FD = dyn_cast<FieldDecl>(ME->getMemberDecl())) 213760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return FD->getType(); 213860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 213960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is a function call or an invocation of an overloaded operator, 214060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // (parentheses around e are ignored), decltype(e) is defined as the 214160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // return type of that function. 214260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const CallExpr *CE = dyn_cast<CallExpr>(e->IgnoreParens())) 214360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return CE->getCallReturnType(); 21441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 214560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson QualType T = e->getType(); 21461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Otherwise, where T is the type of e, if e is an lvalue, decltype(e) is 214860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // defined as T&, otherwise decltype(e) is defined as T. 214960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (e->isLvalue(Context) == Expr::LV_Valid) 215060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson T = Context.getLValueReferenceType(T); 21511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 215260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return T; 215360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson} 215460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson 2155395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// getDecltypeType - Unlike many "get<Type>" functions, we don't unique 2156395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType AST's. The only motivation to unique these nodes would be 2157395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// memory savings. Since decltype(t) is fairly uncommon, space shouldn't be 21581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 2159395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// on canonical type's (which are always unique). 2160395b475a4474f1c7574d927ad142ca0c7997cbcaAnders CarlssonQualType ASTContext::getDecltypeType(Expr *e) { 2161dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor DecltypeType *dt; 21629d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (e->isTypeDependent()) { 21639d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor llvm::FoldingSetNodeID ID; 21649d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType::Profile(ID, *this, e); 21651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21669d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void *InsertPos = 0; 21679d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType *Canon 21689d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor = DependentDecltypeTypes.FindNodeOrInsertPos(ID, InsertPos); 21699d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (Canon) { 21709d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // We already have a "canonical" version of an equivalent, dependent 21719d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // decltype type. Use that as our canonical type. 21726b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, DependentTy, 21739d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor QualType((DecltypeType*)Canon, 0)); 21749d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 21759d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor else { 21769d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // Build a new, canonical typeof(expr) type. 21776b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon = new (*this, TypeAlignment) DependentDecltypeType(*this, e); 21789d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeTypes.InsertNode(Canon, InsertPos); 21799d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor dt = Canon; 21809d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 21819d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } else { 2182dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType T = getDecltypeForExpr(e, *this); 21836b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, T, getCanonicalType(T)); 2184dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 2185395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Types.push_back(dt); 2186395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return QualType(dt, 0); 2187395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson} 2188395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 21895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTagDeclType - Return the unique reference to the type for the 21905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified TagDecl (struct/union/class/enum) decl. 2191e607ed068334bacb8d7b093996b4671c6ca79e25Mike StumpQualType ASTContext::getTagDeclType(const TagDecl *Decl) { 2192d778f88d32b96a74c9edb7342c81357606a7cdc0Ted Kremenek assert (Decl); 2193e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // FIXME: What is the design on getTagDeclType when it requires casting 2194e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // away const? mutable? 2195e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump return getTypeDeclType(const_cast<TagDecl*>(Decl)); 21965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 21975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 21981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getSizeType - Return the unique type for "size_t" (C99 7.17), the result 21991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// of the sizeof operator (C99 6.5.3.4p4). The value is target dependent and 22001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// needs to agree with the definition in <stddef.h>. 2201a3ccda58913cc1a4b8564e349448b12acc462da7Anders CarlssonCanQualType ASTContext::getSizeType() const { 2202b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getSizeType()); 22035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 22045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 220564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getSignedWCharType - Return the type of "signed wchar_t". 220664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 220764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getSignedWCharType() const { 220864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 220964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return WCharTy; 221064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 221164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 221264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getUnsignedWCharType - Return the type of "unsigned wchar_t". 221364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 221464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getUnsignedWCharType() const { 221564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 221664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return UnsignedIntTy; 221764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 221864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 22198b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 22208b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 22218b9023ba35a86838789e2c9034a6128728c547aaChris LattnerQualType ASTContext::getPointerDiffType() const { 2222b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getPtrDiffType(0)); 22238b9023ba35a86838789e2c9034a6128728c547aaChris Lattner} 22248b9023ba35a86838789e2c9034a6128728c547aaChris Lattner 2225e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2226e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner// Type Operators 2227e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2228e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 222954e14c4db764c0636160d26c5bbf491637c83a76John McCallCanQualType ASTContext::getCanonicalParamType(QualType T) { 223054e14c4db764c0636160d26c5bbf491637c83a76John McCall // Push qualifiers into arrays, and then discard any remaining 223154e14c4db764c0636160d26c5bbf491637c83a76John McCall // qualifiers. 223254e14c4db764c0636160d26c5bbf491637c83a76John McCall T = getCanonicalType(T); 223354e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *Ty = T.getTypePtr(); 223454e14c4db764c0636160d26c5bbf491637c83a76John McCall 223554e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Result; 223654e14c4db764c0636160d26c5bbf491637c83a76John McCall if (isa<ArrayType>(Ty)) { 223754e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getArrayDecayedType(QualType(Ty,0)); 223854e14c4db764c0636160d26c5bbf491637c83a76John McCall } else if (isa<FunctionType>(Ty)) { 223954e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getPointerType(QualType(Ty, 0)); 224054e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 224154e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = QualType(Ty, 0); 224254e14c4db764c0636160d26c5bbf491637c83a76John McCall } 224354e14c4db764c0636160d26c5bbf491637c83a76John McCall 224454e14c4db764c0636160d26c5bbf491637c83a76John McCall return CanQualType::CreateUnsafe(Result); 224554e14c4db764c0636160d26c5bbf491637c83a76John McCall} 224654e14c4db764c0636160d26c5bbf491637c83a76John McCall 224777c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// getCanonicalType - Return the canonical (structural) type corresponding to 224877c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// the specified potentially non-canonical type. The non-canonical version 224977c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// of a type may have many "decorated" versions of types. Decorators can 225077c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// include typedefs, 'typeof' operators, etc. The returned type is guaranteed 225177c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// to be free of any of these, allowing two canonical types to be compared 225277c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// for exact equality with a simple pointer comparison. 225350d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas GregorCanQualType ASTContext::getCanonicalType(QualType T) { 22540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 22550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *Ptr = Quals.strip(T); 22560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType CanType = Ptr->getCanonicalTypeInternal(); 22570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 22580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // The canonical internal type will be the canonical type *except* 22590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // that we push type qualifiers down through array types. 22601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If there are no new qualifiers to push down, stop here. 22620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!Quals.hasQualifiers()) 226350d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe(CanType); 2264c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 22650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the type qualifiers are on an array type, get the canonical 22660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // type of the array with the qualifiers applied to the element 22670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // type. 2268c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner ArrayType *AT = dyn_cast<ArrayType>(CanType); 2269c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (!AT) 22700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return CanQualType::CreateUnsafe(getQualifiedType(CanType, Quals)); 22711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2272c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the canonical version of the element with the extra qualifiers on it. 2273c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // This can recursively sink qualifiers through multiple levels of arrays. 22740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType NewEltTy = getQualifiedType(AT->getElementType(), Quals); 2275c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner NewEltTy = getCanonicalType(NewEltTy); 22761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2277c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) 227850d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe( 227950d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor getConstantArrayType(NewEltTy, CAT->getSize(), 228050d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor CAT->getSizeModifier(), 22810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CAT->getIndexTypeCVRQualifiers())); 2282c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(AT)) 228350d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe( 228450d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor getIncompleteArrayType(NewEltTy, IAT->getSizeModifier(), 22850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall IAT->getIndexTypeCVRQualifiers())); 22861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2287898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor if (DependentSizedArrayType *DSAT = dyn_cast<DependentSizedArrayType>(AT)) 228850d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe( 228950d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor getDependentSizedArrayType(NewEltTy, 2290bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr() ? 2291bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr()->Retain() : 0, 229250d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor DSAT->getSizeModifier(), 22930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall DSAT->getIndexTypeCVRQualifiers(), 229487a924e37dc40c6e3e2b33d1dbd646aeccf4c15bDouglas Gregor DSAT->getBracketsRange())->getCanonicalTypeInternal()); 2295898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 2296c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VariableArrayType *VAT = cast<VariableArrayType>(AT); 229750d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe(getVariableArrayType(NewEltTy, 2298bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman VAT->getSizeExpr() ? 2299bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman VAT->getSizeExpr()->Retain() : 0, 230050d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor VAT->getSizeModifier(), 23010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getIndexTypeCVRQualifiers(), 230250d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor VAT->getBracketsRange())); 2303c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 2304c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 230528e318cc6008c2bc008f0caee70dc736a03d6289Chandler CarruthQualType ASTContext::getUnqualifiedArrayType(QualType T, 230628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth Qualifiers &Quals) { 23075535c38a2fcface6c13bc8bbeca66882de2fa227Chandler Carruth Quals = T.getQualifiers(); 23089dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor const ArrayType *AT = getAsArrayType(T); 23099dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (!AT) { 23105535c38a2fcface6c13bc8bbeca66882de2fa227Chandler Carruth return T.getUnqualifiedType(); 231128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 231228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 231328e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth QualType Elt = AT->getElementType(); 2314c1ae0a8b0022a9fbb50d3413139f36ec5d8a63beZhongxing Xu QualType UnqualElt = getUnqualifiedArrayType(Elt, Quals); 231528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth if (Elt == UnqualElt) 231628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return T; 231728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 23189dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) { 231928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return getConstantArrayType(UnqualElt, CAT->getSize(), 232028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth CAT->getSizeModifier(), 0); 232128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 232228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 23239dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(AT)) { 232428e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return getIncompleteArrayType(UnqualElt, IAT->getSizeModifier(), 0); 232528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 232628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 23279dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const VariableArrayType *VAT = dyn_cast<VariableArrayType>(AT)) { 23289dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor return getVariableArrayType(UnqualElt, 23299dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeExpr() ? 23309dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeExpr()->Retain() : 0, 23319dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeModifier(), 23329dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getIndexTypeCVRQualifiers(), 23339dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getBracketsRange()); 23349dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor } 23359dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor 23369dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor const DependentSizedArrayType *DSAT = cast<DependentSizedArrayType>(AT); 233728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return getDependentSizedArrayType(UnqualElt, DSAT->getSizeExpr()->Retain(), 233828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth DSAT->getSizeModifier(), 0, 233928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth SourceRange()); 234028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth} 234128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 234280ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCallDeclarationName ASTContext::getNameForTemplate(TemplateName Name) { 234380ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (TemplateDecl *TD = Name.getAsTemplateDecl()) 234480ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall return TD->getDeclName(); 234580ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 234680ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DependentTemplateName *DTN = Name.getAsDependentTemplateName()) { 234780ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DTN->isIdentifier()) { 234880ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall return DeclarationNames.getIdentifier(DTN->getIdentifier()); 234980ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } else { 235080ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall return DeclarationNames.getCXXOperatorName(DTN->getOperator()); 235180ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 235280ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 235380ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 23540bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *Storage = Name.getAsOverloadedTemplate(); 23550bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(Storage); 23560bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall return (*Storage->begin())->getDeclName(); 235780ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall} 235880ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 235925a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas GregorTemplateName ASTContext::getCanonicalTemplateName(TemplateName Name) { 236025a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor // If this template name refers to a template, the canonical 236125a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor // template name merely stores the template itself. 236225a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor if (TemplateDecl *Template = Name.getAsTemplateDecl()) 236397fbaa2a38804268a024f1a104b43fcf8b4411b0Argyrios Kyrtzidis return TemplateName(cast<TemplateDecl>(Template->getCanonicalDecl())); 236425a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 23650bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(!Name.getAsOverloadedTemplate()); 23661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 236725a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor DependentTemplateName *DTN = Name.getAsDependentTemplateName(); 236825a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor assert(DTN && "Non-dependent template names must refer to template decls."); 236925a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor return DTN->CanonicalTemplateName; 237025a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor} 237125a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 2372db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregorbool ASTContext::hasSameTemplateName(TemplateName X, TemplateName Y) { 2373db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor X = getCanonicalTemplateName(X); 2374db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor Y = getCanonicalTemplateName(Y); 2375db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor return X.getAsVoidPointer() == Y.getAsVoidPointer(); 2376db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor} 2377db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor 23781eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateArgument 23791275ae098acda31fe0e434510c729fcfed0458a1Douglas GregorASTContext::getCanonicalTemplateArgument(const TemplateArgument &Arg) { 23801275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor switch (Arg.getKind()) { 23811275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Null: 23821275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 23831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23841275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Expression: 23851275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 23861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23871275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Declaration: 2388833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(Arg.getAsDecl()->getCanonicalDecl()); 23891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2390788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor case TemplateArgument::Template: 2391788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor return TemplateArgument(getCanonicalTemplateName(Arg.getAsTemplate())); 2392788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor 23931275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Integral: 2394833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(*Arg.getAsIntegral(), 23951275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor getCanonicalType(Arg.getIntegralType())); 23961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23971275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Type: 2398833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(getCanonicalType(Arg.getAsType())); 23991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24001275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Pack: { 24011275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // FIXME: Allocate in ASTContext 24021275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateArgument *CanonArgs = new TemplateArgument[Arg.pack_size()]; 24031275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor unsigned Idx = 0; 24041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (TemplateArgument::pack_iterator A = Arg.pack_begin(), 24051275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor AEnd = Arg.pack_end(); 24061275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor A != AEnd; (void)++A, ++Idx) 24071275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs[Idx] = getCanonicalTemplateArgument(*A); 24081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24091275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateArgument Result; 24101275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor Result.setArgumentPack(CanonArgs, Arg.pack_size(), false); 24111275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Result; 24121275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 24131275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 24141275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 24151275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Silence GCC warning 24161275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor assert(false && "Unhandled template argument kind"); 24171275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return TemplateArgument(); 24181275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor} 24191275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 2420d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorNestedNameSpecifier * 2421d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorASTContext::getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS) { 24221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!NNS) 2423d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 2424d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2425d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor switch (NNS->getKind()) { 2426d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Identifier: 2427d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Canonicalize the prefix but keep the identifier the same. 24281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return NestedNameSpecifier::Create(*this, 2429d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor getCanonicalNestedNameSpecifier(NNS->getPrefix()), 2430d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NNS->getAsIdentifier()); 2431d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2432d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Namespace: 2433d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 2434d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // this namespace and no prefix. 2435d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NestedNameSpecifier::Create(*this, 0, NNS->getAsNamespace()); 2436d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2437d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpec: 2438d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpecWithTemplate: { 2439d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType T = getCanonicalType(QualType(NNS->getAsType(), 0)); 24401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return NestedNameSpecifier::Create(*this, 0, 24411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NNS->getKind() == NestedNameSpecifier::TypeSpecWithTemplate, 2442d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor T.getTypePtr()); 2443d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2444d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2445d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Global: 2446d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // The global specifier is canonical and unique. 2447d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NNS; 2448d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2449d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2450d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Required to silence a GCC warning 2451d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 2452d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 2453d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2454c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 2455c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerconst ArrayType *ASTContext::getAsArrayType(QualType T) { 2456c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the non-qualified case efficiently. 2457a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (!T.hasLocalQualifiers()) { 2458c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the common positive case fast. 2459c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ArrayType *AT = dyn_cast<ArrayType>(T)) 2460c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return AT; 2461c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 24621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Handle the common negative case fast. 2464c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType CType = T->getCanonicalTypeInternal(); 24650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!isa<ArrayType>(CType)) 2466c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return 0; 24671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Apply any qualifiers from the array type to the element type. This 2469c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // implements C99 6.7.3p8: "If the specification of an array type includes 2470c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // any type qualifiers, the element type is so qualified, not the array type." 24711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2472c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we get here, we either have type qualifiers on the type, or we have 2473c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // sugar such as a typedef in the way. If we have type qualifiers on the type 247450d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor // we must propagate them down into the element type. 24750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 24760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qs; 24770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *Ty = Qs.strip(T.getDesugaredType()); 24781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2479c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we have a simple case, just return now. 2480c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *ATy = dyn_cast<ArrayType>(Ty); 24810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (ATy == 0 || Qs.empty()) 2482c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return ATy; 24831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2484c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Otherwise, we have an array and we have qualifiers on it. Push the 2485c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // qualifiers into the array element type and return a new array type. 2486c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the canonical version of the element with the extra qualifiers on it. 2487c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // This can recursively sink qualifiers through multiple levels of arrays. 24880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType NewEltTy = getQualifiedType(ATy->getElementType(), Qs); 24891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2490c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(ATy)) 2491c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getConstantArrayType(NewEltTy, CAT->getSize(), 2492c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner CAT->getSizeModifier(), 24930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CAT->getIndexTypeCVRQualifiers())); 2494c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(ATy)) 2495c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getIncompleteArrayType(NewEltTy, 2496c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner IAT->getSizeModifier(), 24970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall IAT->getIndexTypeCVRQualifiers())); 2498898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 24991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const DependentSizedArrayType *DSAT 2500898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor = dyn_cast<DependentSizedArrayType>(ATy)) 2501898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return cast<ArrayType>( 25021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getDependentSizedArrayType(NewEltTy, 2503bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr() ? 2504bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr()->Retain() : 0, 2505898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor DSAT->getSizeModifier(), 25060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall DSAT->getIndexTypeCVRQualifiers(), 25077e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor DSAT->getBracketsRange())); 25081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2509c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *VAT = cast<VariableArrayType>(ATy); 25107e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return cast<ArrayType>(getVariableArrayType(NewEltTy, 2511bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman VAT->getSizeExpr() ? 25120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getSizeExpr()->Retain() : 0, 2513c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VAT->getSizeModifier(), 25140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getIndexTypeCVRQualifiers(), 25157e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor VAT->getBracketsRange())); 251677c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner} 251777c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 251877c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 2519e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// getArrayDecayedType - Return the properly qualified result of decaying the 2520e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// specified array type to a pointer. This operation is non-trivial when 2521e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// handling typedefs etc. The canonical type of "T" must be an array type, 2522e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// this returns a pointer to a properly qualified element of the array. 2523e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// 2524e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 2525e6327747b72bb687c948270f702ff53c30f411a6Chris LattnerQualType ASTContext::getArrayDecayedType(QualType Ty) { 2526c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the element type with 'getAsArrayType' so that we don't lose any 2527c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // typedefs in the element type of the array. This also handles propagation 2528c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // of type qualifiers from the array type into the element type if present 2529c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // (C99 6.7.3p8). 2530c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *PrettyArrayType = getAsArrayType(Ty); 2531c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner assert(PrettyArrayType && "Not an array type!"); 25321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2533c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType PtrTy = getPointerType(PrettyArrayType->getElementType()); 2534e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 2535e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner // int x[restrict 4] -> int *restrict 25360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getQualifiedType(PtrTy, PrettyArrayType->getIndexTypeQualifiers()); 2537e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner} 2538e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 25395e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas GregorQualType ASTContext::getBaseElementType(QualType QT) { 25400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qs; 25410237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer while (const ArrayType *AT = getAsArrayType(QualType(Qs.strip(QT), 0))) 25420237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer QT = AT->getElementType(); 25430237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer return Qs.apply(QT); 25445e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor} 25455e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor 2546fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders CarlssonQualType ASTContext::getBaseElementType(const ArrayType *AT) { 2547fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson QualType ElemTy = AT->getElementType(); 25481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2549fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson if (const ArrayType *AT = getAsArrayType(ElemTy)) 2550fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson return getBaseElementType(AT); 25511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25526183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson return ElemTy; 25536183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson} 25546183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 25550de78998e7bda473b408437053e48661b510d453Fariborz Jahanian/// getConstantArrayElementCount - Returns number of constant array elements. 25561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpuint64_t 25570de78998e7bda473b408437053e48661b510d453Fariborz JahanianASTContext::getConstantArrayElementCount(const ConstantArrayType *CA) const { 25580de78998e7bda473b408437053e48661b510d453Fariborz Jahanian uint64_t ElementCount = 1; 25590de78998e7bda473b408437053e48661b510d453Fariborz Jahanian do { 25600de78998e7bda473b408437053e48661b510d453Fariborz Jahanian ElementCount *= CA->getSize().getZExtValue(); 25610de78998e7bda473b408437053e48661b510d453Fariborz Jahanian CA = dyn_cast<ConstantArrayType>(CA->getElementType()); 25620de78998e7bda473b408437053e48661b510d453Fariborz Jahanian } while (CA); 25630de78998e7bda473b408437053e48661b510d453Fariborz Jahanian return ElementCount; 25640de78998e7bda473b408437053e48661b510d453Fariborz Jahanian} 25650de78998e7bda473b408437053e48661b510d453Fariborz Jahanian 25665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFloatingRank - Return a relative rank for floating point types. 25675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// This routine will assert if passed a built-in type that isn't a float. 2568a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerstatic FloatingRank getFloatingRank(QualType T) { 2569183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) 25705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getFloatingRank(CT->getElementType()); 2571a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 2572183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall assert(T->getAs<BuiltinType>() && "getFloatingRank(): not a floating type"); 2573183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall switch (T->getAs<BuiltinType>()->getKind()) { 2574a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner default: assert(0 && "getFloatingRank(): not a floating type"); 25755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Float: return FloatRank; 25765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Double: return DoubleRank; 25775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::LongDouble: return LongDoubleRank; 25785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 25795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 25805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 25811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getFloatingTypeOfSizeWithinDomain - Returns a real floating 25821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// point or a complex type (based on typeDomain/typeSize). 2583716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeDomain' is a real floating point or complex type. 2584716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeSize' is a real floating point or complex type. 25851361b11066239ea15764a2a844405352d87296b3Chris LattnerQualType ASTContext::getFloatingTypeOfSizeWithinDomain(QualType Size, 25861361b11066239ea15764a2a844405352d87296b3Chris Lattner QualType Domain) const { 25871361b11066239ea15764a2a844405352d87296b3Chris Lattner FloatingRank EltRank = getFloatingRank(Size); 25881361b11066239ea15764a2a844405352d87296b3Chris Lattner if (Domain->isComplexType()) { 25891361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 2590716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff default: assert(0 && "getFloatingRank(): illegal value for rank"); 2591f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case FloatRank: return FloatComplexTy; 2592f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case DoubleRank: return DoubleComplexTy; 2593f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case LongDoubleRank: return LongDoubleComplexTy; 2594f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 2595f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 25961361b11066239ea15764a2a844405352d87296b3Chris Lattner 25971361b11066239ea15764a2a844405352d87296b3Chris Lattner assert(Domain->isRealFloatingType() && "Unknown domain!"); 25981361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 25991361b11066239ea15764a2a844405352d87296b3Chris Lattner default: assert(0 && "getFloatingRank(): illegal value for rank"); 26001361b11066239ea15764a2a844405352d87296b3Chris Lattner case FloatRank: return FloatTy; 26011361b11066239ea15764a2a844405352d87296b3Chris Lattner case DoubleRank: return DoubleTy; 26021361b11066239ea15764a2a844405352d87296b3Chris Lattner case LongDoubleRank: return LongDoubleTy; 26035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 26045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 26055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 26067cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// getFloatingTypeOrder - Compare the rank of the two specified floating 26077cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// point types, ignoring the domain of the type (i.e. 'double' == 26087cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 26091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 2610a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerint ASTContext::getFloatingTypeOrder(QualType LHS, QualType RHS) { 2611a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank LHSR = getFloatingRank(LHS); 2612a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank RHSR = getFloatingRank(RHS); 26131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2614a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR == RHSR) 2615fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 0; 2616a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR > RHSR) 2617fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 1; 2618fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return -1; 26195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 26205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2621f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// getIntegerRank - Return an integer conversion rank (C99 6.3.1.1p1). This 2622f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// routine will assert if passed a built-in type that isn't an integer or enum, 2623f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// or if it is not canonicalized. 2624f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedmanunsigned ASTContext::getIntegerRank(Type *T) { 2625467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(T->isCanonicalUnqualified() && "T should be canonicalized"); 2626f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman if (EnumType* ET = dyn_cast<EnumType>(T)) 2627842aef8d942a880eeb9535d40de31a86838264cbJohn McCall T = ET->getDecl()->getPromotionType().getTypePtr(); 2628f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 2629a34267595534a72703290153a6f7e3da1adcec59Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::WChar)) 2630a34267595534a72703290153a6f7e3da1adcec59Eli Friedman T = getFromTargetType(Target.getWCharType()).getTypePtr(); 2631a34267595534a72703290153a6f7e3da1adcec59Eli Friedman 2632f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char16)) 2633f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar16Type()).getTypePtr(); 2634f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 2635f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char32)) 2636f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar32Type()).getTypePtr(); 2637f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 2638f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 26397cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner default: assert(0 && "getIntegerRank(): not a built-in integer"); 26407cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Bool: 2641f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 1 + (getIntWidth(BoolTy) << 3); 26427cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_S: 26437cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_U: 26447cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::SChar: 26457cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UChar: 2646f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 2 + (getIntWidth(CharTy) << 3); 26477cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Short: 26487cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UShort: 2649f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 3 + (getIntWidth(ShortTy) << 3); 26507cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Int: 26517cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UInt: 2652f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 4 + (getIntWidth(IntTy) << 3); 26537cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Long: 26547cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULong: 2655f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 5 + (getIntWidth(LongTy) << 3); 26567cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::LongLong: 26577cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULongLong: 2658f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 6 + (getIntWidth(LongLongTy) << 3); 26592df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 26602df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::UInt128: 26612df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return 7 + (getIntWidth(Int128Ty) << 3); 2662f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner } 2663f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner} 2664f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner 266504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \brief Whether this is a promotable bitfield reference according 266604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// to C99 6.3.1.1p2, bullet 2 (and GCC extensions). 266704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// 266804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \returns the type this bit-field will promote to, or NULL if no 266904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// promotion occurs. 267004e8357f6801e9ff52673e7e899a67bbabf9de93Eli FriedmanQualType ASTContext::isPromotableBitField(Expr *E) { 2671ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor if (E->isTypeDependent() || E->isValueDependent()) 2672ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor return QualType(); 2673ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor 267404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman FieldDecl *Field = E->getBitField(); 267504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (!Field) 267604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 267704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 267804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman QualType FT = Field->getType(); 267904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 268004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman llvm::APSInt BitWidthAP = Field->getBitWidth()->EvaluateAsInt(*this); 268104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t BitWidth = BitWidthAP.getZExtValue(); 268204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 268304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // GCC extension compatibility: if the bit-field size is less than or equal 268404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // to the size of int, it gets promoted no matter what its type is. 268504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // For instance, unsigned long bf : 4 gets promoted to signed int. 268604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth < IntSize) 268704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return IntTy; 268804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 268904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth == IntSize) 269004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return FT->isSignedIntegerType() ? IntTy : UnsignedIntTy; 269104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 269204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // Types bigger than int are not subject to promotions, and therefore act 269304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // like the base type. 269404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // FIXME: This doesn't quite match what gcc does, but what gcc does here 269504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // is ridiculous. 269604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 269704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman} 269804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 2699a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// getPromotedIntegerType - Returns the type that Promotable will 2700a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// promote to: C99 6.3.1.1p2, assuming that Promotable is a promotable 2701a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// integer type. 2702a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli FriedmanQualType ASTContext::getPromotedIntegerType(QualType Promotable) { 2703a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(!Promotable.isNull()); 2704a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isPromotableIntegerType()); 2705842aef8d942a880eeb9535d40de31a86838264cbJohn McCall if (const EnumType *ET = Promotable->getAs<EnumType>()) 2706842aef8d942a880eeb9535d40de31a86838264cbJohn McCall return ET->getDecl()->getPromotionType(); 2707a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (Promotable->isSignedIntegerType()) 2708a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return IntTy; 2709a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t PromotableSize = getTypeSize(Promotable); 2710a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 2711a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isUnsignedIntegerType() && PromotableSize <= IntSize); 2712a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return (PromotableSize != IntSize) ? IntTy : UnsignedIntTy; 2713a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman} 2714a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 27151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getIntegerTypeOrder - Returns the highest ranked integer type: 27167cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 27171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 27187cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattnerint ASTContext::getIntegerTypeOrder(QualType LHS, QualType RHS) { 2719f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Type *LHSC = getCanonicalType(LHS).getTypePtr(); 2720f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Type *RHSC = getCanonicalType(RHS).getTypePtr(); 27217cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSC == RHSC) return 0; 27221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2723f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool LHSUnsigned = LHSC->isUnsignedIntegerType(); 2724f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool RHSUnsigned = RHSC->isUnsignedIntegerType(); 27251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27267cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned LHSRank = getIntegerRank(LHSC); 27277cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned RHSRank = getIntegerRank(RHSC); 27281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27297cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned == RHSUnsigned) { // Both signed or both unsigned. 27307cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank == RHSRank) return 0; 27317cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return LHSRank > RHSRank ? 1 : -1; 27327cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 27331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27347cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // Otherwise, the LHS is signed and the RHS is unsigned or visa versa. 27357cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned) { 27367cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [LHS] type is larger, return it. 27377cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank >= RHSRank) 27387cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 27391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27407cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 27417cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 27421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 27437cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 27447cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 27457cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner 27467cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [RHS] type is larger, return it. 27477cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (RHSRank >= LHSRank) 27487cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 27491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27507cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 27517cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 27521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 27537cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 27545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 275571993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 275679cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlssonstatic RecordDecl * 275779cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders CarlssonCreateRecordDecl(ASTContext &Ctx, RecordDecl::TagKind TK, DeclContext *DC, 275879cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson SourceLocation L, IdentifierInfo *Id) { 275979cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson if (Ctx.getLangOptions().CPlusPlus) 276079cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson return CXXRecordDecl::Create(Ctx, TK, DC, L, Id); 276179cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson else 276279cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson return RecordDecl::Create(Ctx, TK, DC, L, Id); 276379cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson} 276479cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 27651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// getCFConstantStringType - Return the type used for constant CFStrings. 276671993dd85eed9cc42c6b2fa61ee5c53026b74817Anders CarlssonQualType ASTContext::getCFConstantStringType() { 276771993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson if (!CFConstantStringTypeDecl) { 27681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CFConstantStringTypeDecl = 2769465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 277079cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("NSConstantString")); 27715cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall CFConstantStringTypeDecl->startDefinition(); 277279cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 2773f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson QualType FieldTypes[4]; 27741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 277571993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const int *isa; 27760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[0] = getPointerType(IntTy.withConst()); 2777f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson // int flags; 2778f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson FieldTypes[1] = IntTy; 277971993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const char *str; 27800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[2] = getPointerType(CharTy.withConst()); 278171993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // long length; 27821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[3] = LongTy; 27831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 278444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor // Create fields 278544b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (unsigned i = 0; i < 4; ++i) { 27861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, CFConstantStringTypeDecl, 278744b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor SourceLocation(), 0, 2788a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 27891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 27904afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 27912888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 279217945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis CFConstantStringTypeDecl->addDecl(Field); 279344b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 279444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 2795838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor CFConstantStringTypeDecl->completeDefinition(); 279671993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson } 27971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 279871993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson return getTagDeclType(CFConstantStringTypeDecl); 27998467583c2704e7a9691ea56939a029015f0ade0aGabor Greif} 2800b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 2801319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setCFConstantStringType(QualType T) { 28026217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 2803319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid CFConstantStringType"); 2804319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor CFConstantStringTypeDecl = Rec->getDecl(); 2805319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 2806319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 28072bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian// getNSConstantStringType - Return the type used for constant NSStrings. 28082bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz JahanianQualType ASTContext::getNSConstantStringType() { 28092bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian if (!NSConstantStringTypeDecl) { 28102bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl = 2811465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 28122bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian &Idents.get("__builtin_NSString")); 28132bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->startDefinition(); 28142bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 28152bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian QualType FieldTypes[3]; 28162bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 28172bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // const int *isa; 28182bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[0] = getPointerType(IntTy.withConst()); 28192bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // const char *str; 28202bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[1] = getPointerType(CharTy.withConst()); 28212bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // unsigned int length; 28222bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[2] = UnsignedIntTy; 28232bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 28242bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // Create fields 28252bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian for (unsigned i = 0; i < 3; ++i) { 28262bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldDecl *Field = FieldDecl::Create(*this, NSConstantStringTypeDecl, 28272bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian SourceLocation(), 0, 28282bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[i], /*TInfo=*/0, 28292bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian /*BitWidth=*/0, 28302bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian /*Mutable=*/false); 28312888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 28322bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->addDecl(Field); 28332bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian } 28342bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 28352bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->completeDefinition(); 28362bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian } 28372bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 28382bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian return getTagDeclType(NSConstantStringTypeDecl); 28392bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian} 28402bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 28412bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanianvoid ASTContext::setNSConstantStringType(QualType T) { 28422bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian const RecordType *Rec = T->getAs<RecordType>(); 28432bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian assert(Rec && "Invalid NSConstantStringType"); 28442bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl = Rec->getDecl(); 28452bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian} 28462bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 28471eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getObjCFastEnumerationStateType() { 2848bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson if (!ObjCFastEnumerationStateTypeDecl) { 284944b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor ObjCFastEnumerationStateTypeDecl = 2850465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 285179cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__objcFastEnumerationState")); 28525cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall ObjCFastEnumerationStateTypeDecl->startDefinition(); 28531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2854bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson QualType FieldTypes[] = { 2855bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson UnsignedLongTy, 2856de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff getPointerType(ObjCIdTypedefType), 2857bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getPointerType(UnsignedLongTy), 2858bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getConstantArrayType(UnsignedLongTy, 2859bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson llvm::APInt(32, 5), ArrayType::Normal, 0) 2860bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson }; 28611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 286244b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (size_t i = 0; i < 4; ++i) { 28631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, 28641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ObjCFastEnumerationStateTypeDecl, 28651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 0, 2866a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 28671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 28684afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 28692888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 287017945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis ObjCFastEnumerationStateTypeDecl->addDecl(Field); 287144b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 287238c9ab880b843a128f8d895d3e2e24877e178788Fariborz Jahanian if (getLangOptions().CPlusPlus) 287381148e9c24687564b3dd13bcb5e5e9f5100c0c95Fariborz Jahanian if (CXXRecordDecl *CXXRD = 287481148e9c24687564b3dd13bcb5e5e9f5100c0c95Fariborz Jahanian dyn_cast<CXXRecordDecl>(ObjCFastEnumerationStateTypeDecl)) 287538c9ab880b843a128f8d895d3e2e24877e178788Fariborz Jahanian CXXRD->setEmpty(false); 28761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2877838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor ObjCFastEnumerationStateTypeDecl->completeDefinition(); 2878bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson } 28791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2880bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson return getTagDeclType(ObjCFastEnumerationStateTypeDecl); 2881bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson} 2882bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 2883adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike StumpQualType ASTContext::getBlockDescriptorType() { 2884adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump if (BlockDescriptorType) 2885adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 2886adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2887adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 2888adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Needs the FlagAppleBlock bit. 2889465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 289079cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor")); 28915cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 2892adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2893adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 2894adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 2895adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 2896adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 2897adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2898adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 2899adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "reserved", 2900083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size" 2901adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 2902adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2903adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 2; ++i) { 2904adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump FieldDecl *Field = FieldDecl::Create(*this, 2905adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T, 2906adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump SourceLocation(), 2907adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 2908a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 2909adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*BitWidth=*/0, 2910adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*Mutable=*/false); 29112888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 2912adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 2913adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 2914adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2915838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 2916adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2917adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = T; 2918adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2919adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 2920adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 2921adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2922adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stumpvoid ASTContext::setBlockDescriptorType(QualType T) { 2923adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const RecordType *Rec = T->getAs<RecordType>(); 2924adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump assert(Rec && "Invalid BlockDescriptorType"); 2925adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = Rec->getDecl(); 2926adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 2927adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2928083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike StumpQualType ASTContext::getBlockDescriptorExtendedType() { 2929083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump if (BlockDescriptorExtendedType) 2930083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 2931083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2932083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump RecordDecl *T; 2933083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump // FIXME: Needs the FlagAppleBlock bit. 2934465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 293579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor_withcopydispose")); 29365cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 2937083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2938083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType FieldTypes[] = { 2939083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 2940083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 2941083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy), 2942083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy) 2943083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 2944083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2945083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const char *FieldNames[] = { 2946083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "reserved", 2947083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size", 2948083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "CopyFuncPtr", 2949083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "DestroyFuncPtr" 2950083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 2951083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2952083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump for (size_t i = 0; i < 4; ++i) { 2953083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump FieldDecl *Field = FieldDecl::Create(*this, 2954083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T, 2955083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump SourceLocation(), 2956083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump &Idents.get(FieldNames[i]), 2957a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 2958083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*BitWidth=*/0, 2959083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*Mutable=*/false); 29602888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 2961083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T->addDecl(Field); 2962083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump } 2963083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2964838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 2965083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2966083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = T; 2967083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2968083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 2969083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 2970083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2971083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stumpvoid ASTContext::setBlockDescriptorExtendedType(QualType T) { 2972083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const RecordType *Rec = T->getAs<RecordType>(); 2973083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump assert(Rec && "Invalid BlockDescriptorType"); 2974083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = Rec->getDecl(); 2975083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 2976083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2977af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stumpbool ASTContext::BlockRequiresCopying(QualType Ty) { 2978af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (Ty->isBlockPointerType()) 2979af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 2980af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (isObjCNSObjectType(Ty)) 2981af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 2982af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (Ty->isObjCObjectPointerType()) 2983af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 2984af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return false; 2985af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump} 2986af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 2987af7b44d847d3e44c43346d508b2e55a6254b6e9dMike StumpQualType ASTContext::BuildByRefType(const char *DeclName, QualType Ty) { 2988af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // type = struct __Block_byref_1_X { 2989ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // void *__isa; 2990af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // struct __Block_byref_1_X *__forwarding; 2991ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __flags; 2992ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __size; 299338e1627e895cd276186ebf177f75ba5d229c3fd7Mike Stump // void *__copy_helper; // as needed 299438e1627e895cd276186ebf177f75ba5d229c3fd7Mike Stump // void *__destroy_help // as needed 2995af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // int X; 2996ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // } * 2997ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 2998af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump bool HasCopyAndDispose = BlockRequiresCopying(Ty); 2999af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3000af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // FIXME: Move up 30014d0d85c3370f2726c74ba0ece0a5e712830a1d82Fariborz Jahanian static unsigned int UniqueBlockByRefTypeID = 0; 3002f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::SmallString<36> Name; 3003f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__Block_byref_" << 3004f5942a44880be26878592eb052b737579349411eBenjamin Kramer ++UniqueBlockByRefTypeID << '_' << DeclName; 3005af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump RecordDecl *T; 3006465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 300779cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get(Name.str())); 3008af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->startDefinition(); 3009af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType Int32Ty = IntTy; 3010af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump assert(getIntWidth(IntTy) == 32 && "non-32bit int not supported"); 3011af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType FieldTypes[] = { 3012af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3013af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(getTagDeclType(T)), 3014af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3015af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3016af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3017af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3018af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Ty 3019af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3020af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3021af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump const char *FieldNames[] = { 3022af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__isa", 3023af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__forwarding", 3024af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__flags", 3025af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__size", 3026af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__copy_helper", 3027af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__destroy_helper", 3028af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump DeclName, 3029af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3030af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3031af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump for (size_t i = 0; i < 7; ++i) { 3032af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (!HasCopyAndDispose && i >=4 && i <= 5) 3033af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump continue; 3034af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3035af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump &Idents.get(FieldNames[i]), 3036a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3037af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump /*BitWidth=*/0, /*Mutable=*/false); 30382888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3039af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->addDecl(Field); 3040af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump } 3041af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3042838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3043af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3044af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return getPointerType(getTagDeclType(T)); 3045ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump} 3046ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3047ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3048ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike StumpQualType ASTContext::getBlockParmType( 3049083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump bool BlockHasCopyDispose, 3050ea1471e0e967548c596a71469702f8846dbaf3c0John McCall llvm::SmallVectorImpl<const Expr *> &Layout) { 3051ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 3052adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Move up 30534d0d85c3370f2726c74ba0ece0a5e712830a1d82Fariborz Jahanian static unsigned int UniqueBlockParmTypeID = 0; 3054f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::SmallString<36> Name; 3055f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__block_literal_" 3056f5942a44880be26878592eb052b737579349411eBenjamin Kramer << ++UniqueBlockParmTypeID; 3057adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 3058465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 305979cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get(Name.str())); 30605cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3061adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 3062adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump getPointerType(VoidPtrTy), 3063adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump IntTy, 3064adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump IntTy, 3065adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump getPointerType(VoidPtrTy), 3066083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump (BlockHasCopyDispose ? 3067083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(getBlockDescriptorExtendedType()) : 3068083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(getBlockDescriptorType())) 3069adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3070adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3071adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 3072adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__isa", 3073adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__flags", 3074adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__reserved", 3075adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__FuncPtr", 3076adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__descriptor" 3077adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3078adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3079adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 5; ++i) { 3080ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3081adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 3082a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3083ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump /*BitWidth=*/0, /*Mutable=*/false); 30842888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3085ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump T->addDecl(Field); 3086ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump } 3087ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3088ea1471e0e967548c596a71469702f8846dbaf3c0John McCall for (unsigned i = 0; i < Layout.size(); ++i) { 3089ea1471e0e967548c596a71469702f8846dbaf3c0John McCall const Expr *E = Layout[i]; 3090ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 3091ea1471e0e967548c596a71469702f8846dbaf3c0John McCall QualType FieldType = E->getType(); 3092ea1471e0e967548c596a71469702f8846dbaf3c0John McCall IdentifierInfo *FieldName = 0; 3093ea1471e0e967548c596a71469702f8846dbaf3c0John McCall if (isa<CXXThisExpr>(E)) { 3094ea1471e0e967548c596a71469702f8846dbaf3c0John McCall FieldName = &Idents.get("this"); 3095ea1471e0e967548c596a71469702f8846dbaf3c0John McCall } else if (const BlockDeclRefExpr *BDRE = dyn_cast<BlockDeclRefExpr>(E)) { 3096ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump const ValueDecl *D = BDRE->getDecl(); 3097ea1471e0e967548c596a71469702f8846dbaf3c0John McCall FieldName = D->getIdentifier(); 3098ea1471e0e967548c596a71469702f8846dbaf3c0John McCall if (BDRE->isByRef()) 3099ea1471e0e967548c596a71469702f8846dbaf3c0John McCall FieldType = BuildByRefType(D->getNameAsCString(), FieldType); 3100ea1471e0e967548c596a71469702f8846dbaf3c0John McCall } else { 3101ea1471e0e967548c596a71469702f8846dbaf3c0John McCall // Padding. 3102ea1471e0e967548c596a71469702f8846dbaf3c0John McCall assert(isa<ConstantArrayType>(FieldType) && 3103ea1471e0e967548c596a71469702f8846dbaf3c0John McCall isa<DeclRefExpr>(E) && 3104ea1471e0e967548c596a71469702f8846dbaf3c0John McCall !cast<DeclRefExpr>(E)->getDecl()->getDeclName() && 3105ea1471e0e967548c596a71469702f8846dbaf3c0John McCall "doesn't match characteristics of padding decl"); 3106ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump } 3107ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3108ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3109ea1471e0e967548c596a71469702f8846dbaf3c0John McCall FieldName, FieldType, /*TInfo=*/0, 3110ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump /*BitWidth=*/0, /*Mutable=*/false); 31112888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3112adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 3113adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 3114adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3115838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3116ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3117ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump return getPointerType(getTagDeclType(T)); 3118adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3119adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3120319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setObjCFastEnumerationStateType(QualType T) { 31216217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 3122319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid ObjCFAstEnumerationStateType"); 3123319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor ObjCFastEnumerationStateTypeDecl = Rec->getDecl(); 3124319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 3125319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 3126e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// This returns true if a type has been typedefed to BOOL: 3127e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// typedef <type> BOOL; 31282d99833e8c956775f2183601cd120b65b569c867Chris Lattnerstatic bool isTypeTypedefedAsBOOL(QualType T) { 3129e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (const TypedefType *TT = dyn_cast<TypedefType>(T)) 3130bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner if (IdentifierInfo *II = TT->getDecl()->getIdentifier()) 3131bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner return II->isStr("BOOL"); 31321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 313385f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return false; 313485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 313585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 3136a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingTypeSize returns size of type for objective-c encoding 313733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// purpose. 3138aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen DyckCharUnits ASTContext::getObjCEncodingTypeSize(QualType type) { 3139199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits sz = getTypeSizeInChars(type); 31401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 314133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Make all integer and enum types at least as large as an int 3142199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck if (sz.isPositive() && type->isIntegralType()) 3143199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = std::max(sz, getTypeSizeInChars(IntTy)); 314433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Treat arrays as pointers, since that's how they're passed in. 314533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian else if (type->isArrayType()) 3146199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = getTypeSizeInChars(VoidPtrTy); 3147aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck return sz; 3148199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck} 3149199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck 3150199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstatic inline 3151199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstd::string charUnitsToString(const CharUnits &CU) { 3152199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return llvm::itostr(CU.getQuantity()); 315333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 315433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 31556f46c2653c1545cc3fef0c0df996d18160160ce8Fariborz Jahanian/// getObjCEncodingForBlockDecl - Return the encoded type for this block 31565e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall/// declaration. 31575e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnallvoid ASTContext::getObjCEncodingForBlock(const BlockExpr *Expr, 31585e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall std::string& S) { 31595e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall const BlockDecl *Decl = Expr->getBlockDecl(); 31605e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType BlockTy = 31615e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Expr->getType()->getAs<BlockPointerType>()->getPointeeType(); 31625e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Encode result type. 3163c71a4915ca216847599d03cab4ed1c5086b0eb43John McCall getObjCEncodingForType(BlockTy->getAs<FunctionType>()->getResultType(), S); 31645e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Compute size of all parameters. 31655e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Start with computing size of a pointer in number of bytes. 31665e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // FIXME: There might(should) be a better way of doing this computation! 31675e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall SourceLocation Loc; 3168199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 3169199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = PtrSize; 31706f46c2653c1545cc3fef0c0df996d18160160ce8Fariborz Jahanian for (BlockDecl::param_const_iterator PI = Decl->param_begin(), 31715e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall E = Decl->param_end(); PI != E; ++PI) { 31725e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = (*PI)->getType(); 3173aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3174199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && "BlockExpr - Incomplete param type"); 31755e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset += sz; 31765e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 31775e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Size of the argument frame 3178199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 31795e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Block pointer and offset. 31805e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall S += "@?0"; 31815e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 31825e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 31835e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Argument types. 31845e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 31855e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall for (BlockDecl::param_const_iterator PI = Decl->param_begin(), E = 31865e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Decl->param_end(); PI != E; ++PI) { 31875e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmVarDecl *PVDecl = *PI; 31885e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = PVDecl->getOriginalType(); 31895e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (const ArrayType *AT = 31905e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 31915e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Use array's original type only if it has known number of 31925e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // elements. 31935e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (!isa<ConstantArrayType>(AT)) 31945e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 31955e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } else if (PType->isFunctionType()) 31965e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 31975e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall getObjCEncodingForType(PType, S); 3198199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 3199aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 32005e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 32015e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall} 32025e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 3203a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingForMethodDecl - Return the encoded type for this method 320433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// declaration. 32051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, 3206e6db3b09a79d4affaa5c7becbfb6bba3c08430c1Chris Lattner std::string& S) { 3207c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 3208ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Encode type qualifer, 'in', 'inout', etc. for the return type. 3209a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek getObjCEncodingForTypeQualifier(Decl->getObjCDeclQualifier(), S); 321033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Encode result type. 32110d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(Decl->getResultType(), S); 321233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Compute size of all parameters. 321333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Start with computing size of a pointer in number of bytes. 321433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // FIXME: There might(should) be a better way of doing this computation! 321533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian SourceLocation Loc; 3216199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 321733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // The first two arguments (self and _cmd) are pointers; account for 321833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // their size. 3219199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = 2 * PtrSize; 322089951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 32217732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 322289951a86b594513c2a013532ed45d197413b1087Chris Lattner QualType PType = (*PI)->getType(); 3223aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3224199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && 3225199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck "getObjCEncodingForMethodDecl - Incomplete param type"); 322633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset += sz; 322733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 3228199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 322933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian S += "@0:"; 3230199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(PtrSize); 32311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 323233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Argument types. 323333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset = 2 * PtrSize; 323489951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 32357732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 323689951a86b594513c2a013532ed45d197413b1087Chris Lattner ParmVarDecl *PVDecl = *PI; 32371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType PType = PVDecl->getOriginalType(); 32384306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian if (const ArrayType *AT = 3239ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 3240ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // Use array's original type only if it has known number of 3241ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // elements. 3242bb3fde337fb712c0e6da8790d431621be4793048Steve Naroff if (!isa<ConstantArrayType>(AT)) 3243ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 3244ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff } else if (PType->isFunctionType()) 3245ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 3246ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Process argument qualifiers for user supplied arguments; such as, 324733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // 'in', 'inout', etc. 32484306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian getObjCEncodingForTypeQualifier(PVDecl->getObjCDeclQualifier(), S); 32490d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(PType, S); 3250199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 3251aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 325233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 325333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 325433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 3255c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// getObjCEncodingForPropertyDecl - Return the encoded type for this 325683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// property declaration. If non-NULL, Container must be either an 3257c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// ObjCCategoryImplDecl or ObjCImplementationDecl; it should only be 3258c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// NULL when getting encodings for protocol properties. 32591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Property attributes are stored as a comma-delimited C string. The simple 32601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// attributes readonly and bycopy are encoded as single characters. The 32611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parametrized attributes, getter=name, setter=name, and ivar=name, are 32621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// encoded as single characters, followed by an identifier. Property types 32631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// are also encoded as a parametrized attribute. The characters used to encode 326483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// these attributes are defined by the following enumeration: 326583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @code 326683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// enum PropertyAttributes { 326783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyReadOnly = 'R', // property is read-only. 326883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyBycopy = 'C', // property is a copy of the value last assigned 326983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyByref = '&', // property is a reference to the value last assigned 327083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyDynamic = 'D', // property is dynamic 327183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyGetter = 'G', // followed by getter selector name 327283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertySetter = 'S', // followed by setter selector name 327383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyInstanceVariable = 'V' // followed by instance variable name 327483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyType = 't' // followed by old-style type encoding. 327583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyWeak = 'W' // 'weak' property 327683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyStrong = 'P' // property GC'able 327783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyNonAtomic = 'N' // property non-atomic 327883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// }; 327983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @endcode 32801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 3281c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 3282e6db3b09a79d4affaa5c7becbfb6bba3c08430c1Chris Lattner std::string& S) { 3283c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Collect information from the property implementation decl(s). 3284c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar bool Dynamic = false; 3285c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *SynthesizePID = 0; 3286c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3287c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: Duplicated code due to poor abstraction. 3288c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Container) { 32891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCCategoryImplDecl *CID = 3290c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar dyn_cast<ObjCCategoryImplDecl>(Container)) { 3291c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 329217945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = CID->propimpl_begin(), e = CID->propimpl_end(); 3293653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 3294c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 3295c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 3296c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 3297c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 3298c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3299c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 3300c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3301c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3302c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3303c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 330461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner const ObjCImplementationDecl *OID=cast<ObjCImplementationDecl>(Container); 3305c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 330617945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = OID->propimpl_begin(), e = OID->propimpl_end(); 3307653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 3308c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 3309c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 3310c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 3311c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 3312c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3313c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 3314c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3315c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 33161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 3317c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3318c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3319c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3320c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 3321c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S = "T"; 3322c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3323c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Encode result type. 3324090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // GCC has some special rules regarding encoding of properties which 3325090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // closely resembles encoding of ivars. 33261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PD->getType(), S, true, true, 0, 3327090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* outermost type */, 3328090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* encoding for property */); 3329c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3330c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->isReadOnly()) { 3331c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",R"; 3332c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3333c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar switch (PD->getSetterKind()) { 3334c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Assign: break; 3335c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Copy: S += ",C"; break; 33361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump case ObjCPropertyDecl::Retain: S += ",&"; break; 3337c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3338c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3339c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3340c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // It really isn't clear at all what this means, since properties 3341c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // are "dynamic by default". 3342c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Dynamic) 3343c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",D"; 3344c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3345090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_nonatomic) 3346090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian S += ",N"; 33471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3348c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_getter) { 3349c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",G"; 3350077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getGetterName().getAsString(); 3351c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3352c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3353c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_setter) { 3354c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",S"; 3355077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getSetterName().getAsString(); 3356c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3357c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3358c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (SynthesizePID) { 3359c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const ObjCIvarDecl *OID = SynthesizePID->getPropertyIvarDecl(); 3360c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",V"; 336139f34e97d6a468f0a7dfa5664c61217cffc65b74Chris Lattner S += OID->getNameAsString(); 3362c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3363c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3364c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: OBJCGC: weak & strong 3365c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar} 3366c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3367a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// getLegacyIntegralTypeEncoding - 33681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Another legacy compatibility encoding: 32-bit longs are encoded as 33691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 'l' or 'L' , but not always. For typedefs, we need to use 3370a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 'i' or 'I' instead if encoding a struct field, or a pointer! 3371a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 3372a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanianvoid ASTContext::getLegacyIntegralTypeEncoding (QualType &PointeeTy) const { 33738e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(PointeeTy.getTypePtr())) { 3374183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = PointeeTy->getAs<BuiltinType>()) { 3375c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian if (BT->getKind() == BuiltinType::ULong && 3376c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian ((const_cast<ASTContext *>(this))->getIntWidth(PointeeTy) == 32)) 3377a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = UnsignedIntTy; 33781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else 3379c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian if (BT->getKind() == BuiltinType::Long && 3380c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian ((const_cast<ASTContext *>(this))->getIntWidth(PointeeTy) == 32)) 3381a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = IntTy; 3382a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3383a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3384a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian} 3385a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 33867d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanianvoid ASTContext::getObjCEncodingForType(QualType T, std::string& S, 3387153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *Field) { 338882a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // We follow the behavior of gcc, expanding structures which are 338982a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // directly pointed to, and expanding embedded structures. Note that 339082a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // these rules are sufficient to prevent recursive encoding of the 339182a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // same type. 33921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(T, S, true, true, Field, 33935b8c7d9fb620ba3a71e996d61e7b9bdf763b5c09Fariborz Jahanian true /* outermost type */); 339482a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar} 339582a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar 339664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnallstatic char ObjCEncodingForPrimitiveKind(const ASTContext *C, QualType T) { 339764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall switch (T->getAs<BuiltinType>()->getKind()) { 339864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall default: assert(0 && "Unhandled builtin type kind"); 339964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Void: return 'v'; 340064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Bool: return 'B'; 340164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_U: 340264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UChar: return 'C'; 340364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UShort: return 'S'; 340464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt: return 'I'; 340564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULong: 340664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall return 340764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall (const_cast<ASTContext *>(C))->getIntWidth(T) == 32 ? 'L' : 'Q'; 340864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt128: return 'T'; 340964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULongLong: return 'Q'; 341064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_S: 341164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::SChar: return 'c'; 341264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Short: return 's'; 341364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int: return 'i'; 341464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Long: 341564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall return 341664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall (const_cast<ASTContext *>(C))->getIntWidth(T) == 32 ? 'l' : 'q'; 341764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::LongLong: return 'q'; 341864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int128: return 't'; 341964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Float: return 'f'; 342064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Double: return 'd'; 342164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::LongDouble: return 'd'; 342264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 342364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall} 342464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall 34251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic void EncodeBitField(const ASTContext *Context, std::string& S, 342664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall QualType T, const FieldDecl *FD) { 34278b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian const Expr *E = FD->getBitWidth(); 34288b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian assert(E && "bitfield width not there - getObjCEncodingForTypeImpl"); 34298b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian ASTContext *Ctx = const_cast<ASTContext*>(Context); 34308b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'b'; 343164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The NeXT runtime encodes bit fields as b followed by the number of bits. 343264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The GNU runtime requires more information; bitfields are encoded as b, 343364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // then the offset (in bits) of the first element, then the type of the 343464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // bitfield, then the size in bits. For example, in this structure: 343564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // 343664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // struct 343764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // { 343864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int integer; 343964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int flags:2; 344064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // }; 344164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // On a 32-bit system, the encoding for flags would be b2 for the NeXT 344264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // runtime, but b32i2 for the GNU runtime. The reason for this extra 344364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // information is not especially sensible, but we're stuck with it for 344464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // compatibility with GCC, although providing it breaks anything that 344564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // actually uses runtime introspection and wants to work on both runtimes... 344664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (!Ctx->getLangOptions().NeXTRuntime) { 344764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const RecordDecl *RD = FD->getParent(); 344864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const ASTRecordLayout &RL = Ctx->getASTRecordLayout(RD); 344964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // FIXME: This same linear search is also used in ExprConstant - it might 345064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // be better if the FieldDecl stored its offset. We'd be increasing the 345164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // size of the object slightly, but saving some time every time it is used. 345264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall unsigned i = 0; 345364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall for (RecordDecl::field_iterator Field = RD->field_begin(), 345464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall FieldEnd = RD->field_end(); 345564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall Field != FieldEnd; (void)++Field, ++i) { 345664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (*Field == FD) 345764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall break; 345864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 345964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += llvm::utostr(RL.getFieldOffset(i)); 346064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += ObjCEncodingForPrimitiveKind(Context, T); 346164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 346264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall unsigned N = E->EvaluateAsInt(*Ctx).getZExtValue(); 34638b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += llvm::utostr(N); 34648b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian} 34658b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian 346601eb9b9683535d8a65c704ad2c545903409e2d36Daniel Dunbar// FIXME: Use SmallString for accumulating string. 346782a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbarvoid ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S, 346882a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 346982a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 3470153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *FD, 3471090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType, 34726ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor bool EncodingProperty) { 347364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (T->getAs<BuiltinType>()) { 3474ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (FD && FD->isBitField()) 347564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall return EncodeBitField(this, S, T, FD); 347664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += ObjCEncodingForPrimitiveKind(this, T); 3477ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3478ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 34791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3480183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) { 3481c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson S += 'j'; 34821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(CT->getElementType(), S, false, false, 0, false, 3483c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson false); 3484ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3485ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 348660bce3ef20a4c9684e3825cdd739fefb9810327dFariborz Jahanian 3487aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian // encoding for pointer or r3eference types. 3488aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian QualType PointeeTy; 34896217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType *PT = T->getAs<PointerType>()) { 34908d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (PT->isObjCSelType()) { 34918d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian S += ':'; 34928d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return; 34938d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian } 3494aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = PT->getPointeeType(); 3495aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian } 3496aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian else if (const ReferenceType *RT = T->getAs<ReferenceType>()) 3497aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = RT->getPointeeType(); 3498aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian if (!PointeeTy.isNull()) { 3499a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian bool isReadOnly = false; 3500a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // For historical/compatibility reasons, the read-only qualifier of the 3501a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // pointee gets emitted _before_ the '^'. The read-only qualifier of 3502a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // the pointer itself gets ignored, _unless_ we are looking at a typedef! 35031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Also, do not emit the 'r' for anything but the outermost type! 35048e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(T.getTypePtr())) { 3505a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (OutermostType && T.isConstQualified()) { 3506a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 3507a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 3508a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 35099fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else if (OutermostType) { 3510a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType P = PointeeTy; 35116217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek while (P->getAs<PointerType>()) 35126217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek P = P->getAs<PointerType>()->getPointeeType(); 3513a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (P.isConstQualified()) { 3514a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 3515a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 3516a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3517a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3518a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (isReadOnly) { 3519a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Another legacy compatibility encoding. Some ObjC qualifier and type 3520a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // combinations need to be rearranged. 3521a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Rewrite "in const" from "nr" to "rn" 35220237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer if (llvm::StringRef(S).endswith("nr")) 35230237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer S.replace(S.end()-2, S.end(), "rn"); 3524a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 35251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 352685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson if (PointeeTy->isCharType()) { 352785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // char pointer types should be encoded as '*' unless it is a 352885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // type that has been typedef'd to 'BOOL'. 3529e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (!isTypeTypedefedAsBOOL(PointeeTy)) { 353085f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '*'; 353185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return; 353285f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 35336217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek } else if (const RecordType *RTy = PointeeTy->getAs<RecordType>()) { 35349533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_class *" to "#". 35359533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_class")) { 35369533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '#'; 35379533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 35389533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 35399533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_object *" to "@". 35409533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_object")) { 35419533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '@'; 35429533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 35439533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 35449533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // fall through... 354585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 354685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '^'; 3547a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(PointeeTy); 3548a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 35491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, false, ExpandPointedToStructures, 355043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian NULL); 3551ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3552ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 3553aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian 3554ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (const ArrayType *AT = 3555ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Ignore type qualifiers etc. 3556ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner dyn_cast<ArrayType>(T->getCanonicalTypeInternal())) { 3557559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson if (isa<IncompleteArrayType>(AT)) { 3558559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson // Incomplete arrays are encoded as a pointer to the array element. 3559559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '^'; 3560559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson 35611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 3562559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 3563559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } else { 3564559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '['; 35651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3566559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) 3567559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += llvm::utostr(CAT->getSize().getZExtValue()); 3568559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson else { 3569559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson //Variable length arrays are encoded as a regular array with 0 elements. 3570559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson assert(isa<VariableArrayType>(AT) && "Unknown array type!"); 3571559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '0'; 3572559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 35731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 3575559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 3576559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += ']'; 3577559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 3578ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3579ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 35801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3581183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (T->getAs<FunctionType>()) { 3582c0a87b7db06643178ad2cbce0767548c139ea387Anders Carlsson S += '?'; 3583ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3584ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 35851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35866217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const RecordType *RTy = T->getAs<RecordType>()) { 358782a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar RecordDecl *RDecl = RTy->getDecl(); 3588d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? '(' : '{'; 3589502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar // Anonymous structures print as '?' 3590502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar if (const IdentifierInfo *II = RDecl->getIdentifier()) { 3591502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += II->getName(); 35926fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian if (ClassTemplateSpecializationDecl *Spec 35936fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = dyn_cast<ClassTemplateSpecializationDecl>(RDecl)) { 35946fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); 35956fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian std::string TemplateArgsStr 35966fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = TemplateSpecializationType::PrintTemplateArgumentList( 35976fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian TemplateArgs.getFlatArgumentList(), 35986fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian TemplateArgs.flat_size(), 35996fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian (*this).PrintingPolicy); 36006fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian 36016fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian S += TemplateArgsStr; 36026fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian } 3603502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } else { 3604502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += '?'; 3605502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } 36060d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar if (ExpandStructures) { 36077d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian S += '='; 360817945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (RecordDecl::field_iterator Field = RDecl->field_begin(), 360917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis FieldEnd = RDecl->field_end(); 361044b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor Field != FieldEnd; ++Field) { 361143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (FD) { 3612d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += '"'; 361344b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor S += Field->getNameAsString(); 3614d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += '"'; 3615d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 36161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3617d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar // Special case bit-fields. 361843822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (Field->isBitField()) { 36191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(Field->getType(), S, false, true, 362043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian (*Field)); 3621d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } else { 3622a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType qt = Field->getType(); 3623a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(qt); 36241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(qt, S, false, true, 362543822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian FD); 3626d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 36277d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian } 36286de88a873a4cbe06d72602eef57d68006730a80bFariborz Jahanian } 3629d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? ')' : '}'; 3630ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3631ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 36321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3633ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isEnumeralType()) { 36348b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian if (FD && FD->isBitField()) 363564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall EncodeBitField(this, S, T, FD); 36368b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian else 36378b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'i'; 3638ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3639ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 36401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3641ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isBlockPointerType()) { 364221a98b188857d690aa4510c52ac4317ffa0908a8Steve Naroff S += "@?"; // Unlike a pointer-to-function, which is "^?". 3643ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3644ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 36451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3646c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Ignore protocol qualifiers when mangling at this level. 3647c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const ObjCObjectType *OT = T->getAs<ObjCObjectType>()) 3648c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T = OT->getBaseType(); 3649c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 36500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (const ObjCInterfaceType *OIT = T->getAs<ObjCInterfaceType>()) { 365143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian // @encode(class_name) 36520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ObjCInterfaceDecl *OI = OIT->getDecl(); 365343822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '{'; 365443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian const IdentifierInfo *II = OI->getIdentifier(); 365543822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += II->getName(); 365643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '='; 3657f1690858344968358131f8d5690d9ee458883000Chris Lattner llvm::SmallVector<FieldDecl*, 32> RecFields; 365843822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian CollectObjCIvars(OI, RecFields); 3659f1690858344968358131f8d5690d9ee458883000Chris Lattner for (unsigned i = 0, e = RecFields.size(); i != e; ++i) { 366043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (RecFields[i]->isBitField()) 36611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(RecFields[i]->getType(), S, false, true, 366243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian RecFields[i]); 366343822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian else 36641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(RecFields[i]->getType(), S, false, true, 366543822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian FD); 366643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 366743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '}'; 3668ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 366943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 36701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3671183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = T->getAs<ObjCObjectPointerType>()) { 367214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (OPT->isObjCIdType()) { 367314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '@'; 367414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 3675ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 36761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 367727d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->isObjCClassType() || OPT->isObjCQualifiedClassType()) { 367827d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // FIXME: Consider if we need to output qualifiers for 'Class<p>'. 367927d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // Since this is a binary compatibility issue, need to consult with runtime 368027d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // folks. Fortunately, this is a *very* obsure construct. 368114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '#'; 368214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 3683ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 36841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3685ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (OPT->isObjCQualifiedIdType()) { 36861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(getObjCIdType(), S, 368714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandPointedToStructures, 368814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandStructures, FD); 368914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (FD || EncodingProperty) { 369014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Note that we do extended encoding of protocol qualifer list 369114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Only when doing ivar or property encoding. 369214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 369367ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 369467ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 369514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '<'; 369614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += (*I)->getNameAsString(); 369714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '>'; 369814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 369914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 370014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 370114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 3702ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 37031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3704ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner QualType PointeeTy = OPT->getPointeeType(); 3705ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (!EncodingProperty && 3706ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner isa<TypedefType>(PointeeTy.getTypePtr())) { 3707ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Another historical/compatibility reason. 37081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We encode the underlying type which comes out as 3709ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // {...}; 3710ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '^'; 37111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, 37121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump false, ExpandPointedToStructures, 3713ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner NULL); 371414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 371514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3716ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 3717ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '@'; 371827d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->getInterfaceDecl() && (FD || EncodingProperty)) { 3719ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 372027d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff S += OPT->getInterfaceDecl()->getIdentifier()->getName(); 372167ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 372267ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 3723ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '<'; 3724ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += (*I)->getNameAsString(); 3725ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '>'; 37261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 3727ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 3728ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 3729ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3730ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 37311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3732532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // gcc just blithely ignores member pointers. 3733532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // TODO: maybe there should be a mangling for these 3734532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall if (T->getAs<MemberPointerType>()) 3735532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall return; 3736532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall 3737ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner assert(0 && "@encode for type not implemented!"); 373885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 373985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 37401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 3741ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string& S) const { 3742ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_In) 3743ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'n'; 3744ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Inout) 3745ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'N'; 3746ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Out) 3747ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'o'; 3748ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Bycopy) 3749ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'O'; 3750ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Byref) 3751ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'R'; 3752ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Oneway) 3753ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'V'; 3754ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian} 3755ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 3756ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setBuiltinVaListType(QualType T) { 3757b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson assert(BuiltinVaListType.isNull() && "__builtin_va_list type already set!"); 37581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3759b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson BuiltinVaListType = T; 3760b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson} 3761b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 3762ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCIdType(QualType T) { 3763de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = T; 37647e219e47de26346885d667131977bd9ca2d7662aSteve Naroff} 37657e219e47de26346885d667131977bd9ca2d7662aSteve Naroff 3766ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCSelType(QualType T) { 376713dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = T; 3768b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian} 3769b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 3770ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCProtoType(QualType QT) { 3771a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtoType = QT; 3772390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian} 3773390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 3774ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCClassType(QualType T) { 3775de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = T; 37768baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson} 37778baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 3778a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid ASTContext::setObjCConstantStringInterface(ObjCInterfaceDecl *Decl) { 37791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(ObjCConstantStringType.isNull() && 37802198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff "'NSConstantString' type already set!"); 37811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3782a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = getObjCInterfaceType(Decl); 37832198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff} 37842198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 37850bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// \brief Retrieve the template name that corresponds to a non-empty 37860bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// lookup. 3787eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCallTemplateName ASTContext::getOverloadedTemplateName(UnresolvedSetIterator Begin, 3788eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall UnresolvedSetIterator End) { 37890bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall unsigned size = End - Begin; 37900bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(size > 1 && "set is not overloaded!"); 37917532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 37920bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall void *memory = Allocate(sizeof(OverloadedTemplateStorage) + 37930bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall size * sizeof(FunctionTemplateDecl*)); 37940bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *OT = new(memory) OverloadedTemplateStorage(size); 37950bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall 37960bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl **Storage = OT->getStorage(); 3797eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall for (UnresolvedSetIterator I = Begin; I != End; ++I) { 37980bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl *D = *I; 37990bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(isa<FunctionTemplateDecl>(D) || 38000bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall (isa<UsingShadowDecl>(D) && 38010bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall isa<FunctionTemplateDecl>(D->getUnderlyingDecl()))); 38020bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall *Storage++ = D; 38037532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 38047532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 38050bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall return TemplateName(OT); 38067532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 38077532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 3808d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// \brief Retrieve the template name that represents a qualified 3809d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// template name such as \c std::vector. 38101eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateName ASTContext::getQualifiedTemplateName(NestedNameSpecifier *NNS, 3811d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor bool TemplateKeyword, 38120bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall TemplateDecl *Template) { 3813789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor // FIXME: Canonicalization? 3814d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor llvm::FoldingSetNodeID ID; 3815d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName::Profile(ID, NNS, TemplateKeyword, Template); 38161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3817d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor void *InsertPos = 0; 3818d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName *QTN = 38190bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall QualifiedTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 3820d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor if (!QTN) { 3821d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QTN = new (*this,4) QualifiedTemplateName(NNS, TemplateKeyword, Template); 3822d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateNames.InsertNode(QTN, InsertPos); 3823d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor } 38241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3825d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor return TemplateName(QTN); 3826d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor} 3827d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor 38287532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Retrieve the template name that represents a dependent 38297532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template name such as \c MetaFun::template apply. 38301eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateName ASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 38317532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const IdentifierInfo *Name) { 38321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert((!NNS || NNS->isDependent()) && 38333b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor "Nested name specifier must be dependent"); 38347532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 38357532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSetNodeID ID; 38367532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName::Profile(ID, NNS, Name); 38377532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 38387532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor void *InsertPos = 0; 38397532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName *QTN = 38407532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 38417532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 38427532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (QTN) 38437532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 38447532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 38457532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 38467532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (CanonNNS == NNS) { 38477532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name); 38487532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } else { 38497532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Name); 38507532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name, Canon); 3851789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN = 3852789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 3853789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent type name canonicalization broken"); 3854789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 38557532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 38567532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 38577532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 38587532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 38597532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 38607532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 3861ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Retrieve the template name that represents a dependent 3862ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// template name such as \c MetaFun::template operator+. 3863ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorTemplateName 3864ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 3865ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor OverloadedOperatorKind Operator) { 3866ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor assert((!NNS || NNS->isDependent()) && 3867ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor "Nested name specifier must be dependent"); 3868ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3869ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor llvm::FoldingSetNodeID ID; 3870ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateName::Profile(ID, NNS, Operator); 3871ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3872ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor void *InsertPos = 0; 3873789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *QTN 3874789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 3875ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3876ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (QTN) 3877ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 3878ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3879ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 3880ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (CanonNNS == NNS) { 3881ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator); 3882ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else { 3883ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Operator); 3884ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator, Canon); 3885789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 3886789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN 3887789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 3888789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent template name canonicalization broken"); 3889789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 3890ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 3891ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3892ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 3893ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 3894ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor} 3895ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3896b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor/// getFromTargetType - Given one of the integer types provided by 3897d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// TargetInfo, produce the corresponding type. The unsigned @p Type 3898d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// is actually a value of type @c TargetInfo::IntType. 3899e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallCanQualType ASTContext::getFromTargetType(unsigned Type) const { 3900b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor switch (Type) { 3901e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall case TargetInfo::NoInt: return CanQualType(); 3902b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedShort: return ShortTy; 3903b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedShort: return UnsignedShortTy; 3904b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedInt: return IntTy; 3905b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedInt: return UnsignedIntTy; 3906b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLong: return LongTy; 3907b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLong: return UnsignedLongTy; 3908b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLongLong: return LongLongTy; 3909b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLongLong: return UnsignedLongLongTy; 3910b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor } 3911b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 3912b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor assert(false && "Unhandled TargetInfo::IntType value"); 3913e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall return CanQualType(); 3914b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor} 3915b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 3916b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 3917b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek// Type Predicates. 3918b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 3919b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 3920fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// isObjCNSObjectType - Return true if this is an NSObject object using 3921fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// NSObject attribute on a c-style pointer type. 3922fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// FIXME - Make it work directly on types. 3923f49545602089be5b1f744e04326b8a566f6d8773Steve Naroff/// FIXME: Move to Type. 3924fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// 3925fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanianbool ASTContext::isObjCNSObjectType(QualType Ty) const { 3926fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian if (TypedefType *TDT = dyn_cast<TypedefType>(Ty)) { 3927fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian if (TypedefDecl *TD = TDT->getDecl()) 392840b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (TD->getAttr<ObjCNSObjectAttr>()) 3929fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian return true; 3930fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian } 39311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return false; 3932fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian} 3933fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian 39344fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's 39354fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// garbage collection attribute. 39364fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// 39370953e767ff7817f97b3ab20896b229891eeff45bJohn McCallQualifiers::GC ASTContext::getObjCGCAttrKind(const QualType &Ty) const { 39380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GCAttrs = Qualifiers::GCNone; 39394fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian if (getLangOptions().ObjC1 && 39404fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian getLangOptions().getGCMode() != LangOptions::NonGC) { 3941b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner GCAttrs = Ty.getObjCGCAttr(); 39424fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian // Default behavious under objective-c's gc is for objective-c pointers 39431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // (or pointers to them) be treated as though they were declared 3944a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian // as __strong. 39450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GCAttrs == Qualifiers::GCNone) { 394675212ee91313bc1b6dd826d9b173541bc4016539Fariborz Jahanian if (Ty->isObjCObjectPointerType() || Ty->isBlockPointerType()) 39470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall GCAttrs = Qualifiers::Strong; 3948a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian else if (Ty->isPointerType()) 39496217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek return getObjCGCAttrKind(Ty->getAs<PointerType>()->getPointeeType()); 3950a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian } 3951c2112181b96349eb595dc5e8b7073b81ecdec0dbFariborz Jahanian // Non-pointers have none gc'able attribute regardless of the attribute 3952c2112181b96349eb595dc5e8b7073b81ecdec0dbFariborz Jahanian // set on them. 3953f49545602089be5b1f744e04326b8a566f6d8773Steve Naroff else if (!Ty->isAnyPointerType() && !Ty->isBlockPointerType()) 39540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qualifiers::GCNone; 39554fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian } 3956b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner return GCAttrs; 39574fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian} 39584fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian 39596ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 39606ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner// Type Compatibility Testing 39616ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 3962770951b5bb6028a8d326ddb4a13cef7d4a128162Chris Lattner 39631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// areCompatVectorTypes - Return true if the two specified vector types are 39646ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner/// compatible. 39656ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattnerstatic bool areCompatVectorTypes(const VectorType *LHS, 39666ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner const VectorType *RHS) { 3967467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(LHS->isCanonicalUnqualified() && RHS->isCanonicalUnqualified()); 39686ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return LHS->getElementType() == RHS->getElementType() && 396961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner LHS->getNumElements() == RHS->getNumElements(); 39706ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 39716ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 39724084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 39734084c306635b70f37029dca938444e6013f08684Steve Naroff// ObjCQualifiedIdTypesAreCompatible - Compatibility testing for qualified id's. 39744084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 39754084c306635b70f37029dca938444e6013f08684Steve Naroff 39764084c306635b70f37029dca938444e6013f08684Steve Naroff/// ProtocolCompatibleWithProtocol - return 'true' if 'lProto' is in the 39774084c306635b70f37029dca938444e6013f08684Steve Naroff/// inheritance hierarchy of 'rProto'. 39780fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanianbool ASTContext::ProtocolCompatibleWithProtocol(ObjCProtocolDecl *lProto, 39790fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian ObjCProtocolDecl *rProto) { 39804084c306635b70f37029dca938444e6013f08684Steve Naroff if (lProto == rProto) 398114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return true; 39824084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCProtocolDecl::protocol_iterator PI = rProto->protocol_begin(), 39834084c306635b70f37029dca938444e6013f08684Steve Naroff E = rProto->protocol_end(); PI != E; ++PI) 39844084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lProto, *PI)) 39854084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 39864084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 39874084c306635b70f37029dca938444e6013f08684Steve Naroff} 398814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 39894084c306635b70f37029dca938444e6013f08684Steve Naroff/// QualifiedIdConformsQualifiedId - compare id<p,...> with id<p1,...> 39904084c306635b70f37029dca938444e6013f08684Steve Naroff/// return true if lhs's protocols conform to rhs's protocol; false 39914084c306635b70f37029dca938444e6013f08684Steve Naroff/// otherwise. 39924084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::QualifiedIdConformsQualifiedId(QualType lhs, QualType rhs) { 39934084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhs->isObjCQualifiedIdType() && rhs->isObjCQualifiedIdType()) 39944084c306635b70f37029dca938444e6013f08684Steve Naroff return ObjCQualifiedIdTypesAreCompatible(lhs, rhs, false); 39954084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 39964084c306635b70f37029dca938444e6013f08684Steve Naroff} 39974084c306635b70f37029dca938444e6013f08684Steve Naroff 39984084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIdTypesAreCompatible - We know that one of lhs/rhs is an 39994084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIDType. 40004084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::ObjCQualifiedIdTypesAreCompatible(QualType lhs, QualType rhs, 40014084c306635b70f37029dca938444e6013f08684Steve Naroff bool compare) { 40024084c306635b70f37029dca938444e6013f08684Steve Naroff // Allow id<P..> and an 'id' or void* type in all cases. 40031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isVoidPointerType() || 40044084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->isObjCIdType() || lhs->isObjCClassType()) 40054084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 40061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else if (rhs->isVoidPointerType() || 40074084c306635b70f37029dca938444e6013f08684Steve Naroff rhs->isObjCIdType() || rhs->isObjCClassType()) 40084084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 40094084c306635b70f37029dca938444e6013f08684Steve Naroff 40104084c306635b70f37029dca938444e6013f08684Steve Naroff if (const ObjCObjectPointerType *lhsQID = lhs->getAsObjCQualifiedIdType()) { 4011183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 40121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 40134084c306635b70f37029dca938444e6013f08684Steve Naroff if (!rhsOPT) return false; 40141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 40154084c306635b70f37029dca938444e6013f08684Steve Naroff if (rhsOPT->qual_empty()) { 40161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a unqualified interface pointer "NSString*", 40174084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 40184084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 40194084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 40204084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 40214084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 40224084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 40234084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 40240fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (!rhsID->ClassImplementsProtocol(*I, true)) 40254084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 40264084c306635b70f37029dca938444e6013f08684Steve Naroff } 40274084c306635b70f37029dca938444e6013f08684Steve Naroff } 40284084c306635b70f37029dca938444e6013f08684Steve Naroff // If there are no qualifiers and no interface, we have an 'id'. 40294084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 40304084c306635b70f37029dca938444e6013f08684Steve Naroff } 40311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Both the right and left sides have qualifiers. 40324084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 40334084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 40344084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 40354084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 4036de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff 4037de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // when comparing an id<P> on lhs with a static type on rhs, 4038de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // see if static class implements all of id's protocols, directly or 4039de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // through its super class and categories. 40404084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 40414084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsOPT->qual_end(); J != E; ++J) { 40424084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 40434084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 40444084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 40454084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 40468f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 40478f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 4048de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 40491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a qualified interface pointer "NSString<P>*", 40504084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 40514084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 40524084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 40534084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 40544084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 40554084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 40564084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 40570fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (rhsID->ClassImplementsProtocol(*I, true)) { 40584084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 40594084c306635b70f37029dca938444e6013f08684Steve Naroff break; 40604084c306635b70f37029dca938444e6013f08684Steve Naroff } 40614084c306635b70f37029dca938444e6013f08684Steve Naroff } 40624084c306635b70f37029dca938444e6013f08684Steve Naroff } 40634084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 4064de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return false; 4065de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 40661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4067de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return true; 4068de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 40691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 40704084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *rhsQID = rhs->getAsObjCQualifiedIdType(); 40714084c306635b70f37029dca938444e6013f08684Steve Naroff assert(rhsQID && "One of the LHS/RHS should be id<x>"); 40724084c306635b70f37029dca938444e6013f08684Steve Naroff 40731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCObjectPointerType *lhsOPT = 40744084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->getAsObjCInterfacePointerType()) { 40754084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhsOPT->qual_empty()) { 40764084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 40774084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *lhsID = lhsOPT->getInterfaceDecl()) { 40784084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = rhsQID->qual_begin(), 40794084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); I != E; ++I) { 40804084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 40814084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 40824084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 40830fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (lhsID->ClassImplementsProtocol(*I, true)) { 40844084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 40854084c306635b70f37029dca938444e6013f08684Steve Naroff break; 40864084c306635b70f37029dca938444e6013f08684Steve Naroff } 40874084c306635b70f37029dca938444e6013f08684Steve Naroff } 40884084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 40894084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 40904084c306635b70f37029dca938444e6013f08684Steve Naroff } 40914084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 40924084c306635b70f37029dca938444e6013f08684Steve Naroff } 40931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Both the right and left sides have qualifiers. 40944084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsOPT->qual_begin(), 40954084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsOPT->qual_end(); I != E; ++I) { 40964084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 40974084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 40984084c306635b70f37029dca938444e6013f08684Steve Naroff 40994084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 41004084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 41014084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 41024084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 41034084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); J != E; ++J) { 41044084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 41054084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 41064084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 41074084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 41084084c306635b70f37029dca938444e6013f08684Steve Naroff break; 41094084c306635b70f37029dca938444e6013f08684Steve Naroff } 41104084c306635b70f37029dca938444e6013f08684Steve Naroff } 41114084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 41124084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 41134084c306635b70f37029dca938444e6013f08684Steve Naroff } 41144084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 41154084c306635b70f37029dca938444e6013f08684Steve Naroff } 41164084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 41174084c306635b70f37029dca938444e6013f08684Steve Naroff} 41184084c306635b70f37029dca938444e6013f08684Steve Naroff 41194084c306635b70f37029dca938444e6013f08684Steve Naroff/// canAssignObjCInterfaces - Return true if the two interface types are 41204084c306635b70f37029dca938444e6013f08684Steve Naroff/// compatible for assignment from RHS to LHS. This handles validation of any 41214084c306635b70f37029dca938444e6013f08684Steve Naroff/// protocol qualifiers on the LHS or RHS. 41224084c306635b70f37029dca938444e6013f08684Steve Naroff/// 41234084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::canAssignObjCInterfaces(const ObjCObjectPointerType *LHSOPT, 41244084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *RHSOPT) { 4125c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 4126c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 4127c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 41284084c306635b70f37029dca938444e6013f08684Steve Naroff // If either type represents the built-in 'id' or 'Class' types, return true. 4129c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCUnqualifiedIdOrClass() || 4130c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHS->isObjCUnqualifiedIdOrClass()) 41314084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 41324084c306635b70f37029dca938444e6013f08684Steve Naroff 4133c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCQualifiedId() || RHS->isObjCQualifiedId()) 41341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 41351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType(RHSOPT,0), 41364084c306635b70f37029dca938444e6013f08684Steve Naroff false); 41374084c306635b70f37029dca938444e6013f08684Steve Naroff 4138c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If we have 2 user-defined types, fall into that path. 4139c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->getInterface() && RHS->getInterface()) 41404084c306635b70f37029dca938444e6013f08684Steve Naroff return canAssignObjCInterfaces(LHS, RHS); 41411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41424084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 414314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 414414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4145132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// canAssignObjCInterfacesInBlockPointer - This routine is specifically written 4146132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// for providing type-safty for objective-c pointers used to pass/return 4147132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// arguments in block literals. When passed as arguments, passing 'A*' where 4148132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// 'id' is expected is not OK. Passing 'Sub *" where 'Super *" is expected is 4149132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// not OK. For the return type, the opposite is not OK. 4150132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::canAssignObjCInterfacesInBlockPointer( 4151132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *LHSOPT, 4152132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *RHSOPT) { 4153a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (RHSOPT->isObjCBuiltinType() || LHSOPT->isObjCIdType()) 4154132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4155132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4156132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHSOPT->isObjCBuiltinType()) { 4157132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return RHSOPT->isObjCBuiltinType() || RHSOPT->isObjCQualifiedIdType(); 4158132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4159132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4160a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (LHSOPT->isObjCQualifiedIdType() || RHSOPT->isObjCQualifiedIdType()) 4161132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 4162132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType(RHSOPT,0), 4163132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian false); 4164132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4165132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* LHS = LHSOPT->getInterfaceType(); 4166132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* RHS = RHSOPT->getInterfaceType(); 4167132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS && RHS) { // We have 2 user-defined types. 4168132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS != RHS) { 4169132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS->getDecl()->isSuperClassOf(RHS->getDecl())) 4170132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return false; 4171132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (RHS->getDecl()->isSuperClassOf(LHS->getDecl())) 4172132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4173132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4174132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 4175132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4176132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4177132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return false; 4178132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 4179132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4180e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// getIntersectionOfProtocols - This routine finds the intersection of set 4181e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// of protocols inherited from two distinct objective-c pointer objects. 4182e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// It is used to build composite qualifier list of the composite type of 4183e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// the conditional expression involving two objective-c pointer objects. 4184e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianstatic 4185e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid getIntersectionOfProtocols(ASTContext &Context, 4186e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *LHSOPT, 4187e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *RHSOPT, 4188e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallVectorImpl<ObjCProtocolDecl *> &IntersectionOfProtocols) { 4189e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4190c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 4191c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 4192c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS must have an interface base"); 4193c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS must have an interface base"); 4194e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4195e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> InheritedProtocolSet; 4196e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned LHSNumProtocols = LHS->getNumProtocols(); 4197e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (LHSNumProtocols > 0) 4198e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHS->qual_begin(), LHS->qual_end()); 4199e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 4200432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 4201c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(LHS->getInterface(), 4202c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSInheritedProtocols); 4203e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHSInheritedProtocols.begin(), 4204e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian LHSInheritedProtocols.end()); 4205e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4206e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4207e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned RHSNumProtocols = RHS->getNumProtocols(); 4208e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (RHSNumProtocols > 0) { 4209cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman ObjCProtocolDecl **RHSProtocols = 4210cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman const_cast<ObjCProtocolDecl **>(RHS->qual_begin()); 4211e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (unsigned i = 0; i < RHSNumProtocols; ++i) 4212e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (InheritedProtocolSet.count(RHSProtocols[i])) 4213e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian IntersectionOfProtocols.push_back(RHSProtocols[i]); 4214e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4215e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 4216432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> RHSInheritedProtocols; 4217c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(RHS->getInterface(), 4218c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSInheritedProtocols); 4219432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 4220432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian RHSInheritedProtocols.begin(), 4221432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian E = RHSInheritedProtocols.end(); I != E; ++I) 4222432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian if (InheritedProtocolSet.count((*I))) 4223432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian IntersectionOfProtocols.push_back((*I)); 4224e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4225e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 4226e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4227db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// areCommonBaseCompatible - Returns common base class of the two classes if 4228db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// one found. Note that this is O'2 algorithm. But it will be called as the 4229db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// last type comparison in a ?-exp of ObjC pointer types before a 4230db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// warning is issued. So, its invokation is extremely rare. 4231db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz JahanianQualType ASTContext::areCommonBaseCompatible( 4232c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Lptr, 4233c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Rptr) { 4234c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *LHS = Lptr->getObjectType(); 4235c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS = Rptr->getObjectType(); 4236c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* LDecl = LHS->getInterface(); 4237c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* RDecl = RHS->getInterface(); 4238c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!LDecl || !RDecl) 4239db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 4240db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4241c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall while ((LDecl = LDecl->getSuperClass())) { 4242c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHS = cast<ObjCInterfaceType>(getObjCInterfaceType(LDecl)); 4243e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (canAssignObjCInterfaces(LHS, RHS)) { 4244c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::SmallVector<ObjCProtocolDecl *, 8> Protocols; 4245c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getIntersectionOfProtocols(*this, Lptr, Rptr, Protocols); 4246c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4247c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType Result = QualType(LHS, 0); 4248c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!Protocols.empty()) 4249c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectType(Result, Protocols.data(), Protocols.size()); 4250c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectPointerType(Result); 4251c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return Result; 4252e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4253db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian } 4254db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4255db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 4256db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian} 4257db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4258c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallbool ASTContext::canAssignObjCInterfaces(const ObjCObjectType *LHS, 4259c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS) { 4260c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS is not an interface type"); 4261c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS is not an interface type"); 4262c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 42636ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Verify that the base decls are compatible: the RHS must be a subclass of 42646ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // the LHS. 4265c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!LHS->getInterface()->isSuperClassOf(RHS->getInterface())) 42666ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return false; 42671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 42686ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // RHS must have a superset of the protocols in the LHS. If the LHS is not 42696ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // protocol qualified at all, then we are good. 4270c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (LHS->getNumProtocols() == 0) 42716ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; 42721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 42736ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Okay, we know the LHS has protocol qualifiers. If the RHS doesn't, then it 42746ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // isn't a superset. 4275c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (RHS->getNumProtocols() == 0) 42766ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; // FIXME: should return false! 42771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4278c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator LHSPI = LHS->qual_begin(), 4279c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSPE = LHS->qual_end(); 428091b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff LHSPI != LHSPE; LHSPI++) { 428191b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff bool RHSImplementsProtocol = false; 428291b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff 428391b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // If the RHS doesn't implement the protocol on the left, the types 428491b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // are incompatible. 4285c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator RHSPI = RHS->qual_begin(), 4286c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSPE = RHS->qual_end(); 42878f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff RHSPI != RHSPE; RHSPI++) { 42888f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff if ((*RHSPI)->lookupProtocolNamed((*LHSPI)->getIdentifier())) { 428991b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff RHSImplementsProtocol = true; 42908f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 42918f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 429291b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 429391b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // FIXME: For better diagnostics, consider passing back the protocol name. 429491b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff if (!RHSImplementsProtocol) 429591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return false; 429691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 429791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // The RHS implements all protocols listed on the LHS. 429891b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return true; 42996ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 43006ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 4301389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroffbool ASTContext::areComparableObjCPointerTypes(QualType LHS, QualType RHS) { 4302389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff // get the "pointed to" types 4303183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *LHSOPT = LHS->getAs<ObjCObjectPointerType>(); 4304183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *RHSOPT = RHS->getAs<ObjCObjectPointerType>(); 43051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 430614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (!LHSOPT || !RHSOPT) 4307389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return false; 430814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 430914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return canAssignObjCInterfaces(LHSOPT, RHSOPT) || 431014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff canAssignObjCInterfaces(RHSOPT, LHSOPT); 4311389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff} 4312389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff 43131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typesAreCompatible - C99 6.7.3p9: For two qualified types to be compatible, 4314ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// both shall have the identically qualified version of a compatible type. 43151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// C99 6.2.7p1: Two types have compatible types if their types are the 4316ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// same. See 6.7.[2,3,5] for additional rules. 43173d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedmanbool ASTContext::typesAreCompatible(QualType LHS, QualType RHS) { 43180e709abafbd939326850501f795cc7a92c88a354Douglas Gregor if (getLangOptions().CPlusPlus) 43190e709abafbd939326850501f795cc7a92c88a354Douglas Gregor return hasSameType(LHS, RHS); 43200e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 43213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return !mergeTypes(LHS, RHS).isNull(); 43223d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 43233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4324132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::typesAreBlockPointerCompatible(QualType LHS, QualType RHS) { 4325132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return !mergeTypes(LHS, RHS, true).isNull(); 4326132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 4327132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4328132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeFunctionTypes(QualType lhs, QualType rhs, 4329132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian bool OfBlockPointer) { 4330183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *lbase = lhs->getAs<FunctionType>(); 4331183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *rbase = rhs->getAs<FunctionType>(); 433272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *lproto = dyn_cast<FunctionProtoType>(lbase); 433372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *rproto = dyn_cast<FunctionProtoType>(rbase); 43343d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allLTypes = true; 43353d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allRTypes = true; 43363d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 43373d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check return type 4338132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType retType; 4339132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (OfBlockPointer) 4340132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian retType = mergeTypes(rbase->getResultType(), lbase->getResultType(), true); 4341132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 4342132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian retType = mergeTypes(lbase->getResultType(), rbase->getResultType()); 43433d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (retType.isNull()) return QualType(); 43446de8b62ae42818c0bd8878b0d1900e17c7c43e0eFariborz Jahanian if (getCanonicalType(retType) != getCanonicalType(lbase->getResultType())) 434561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 43466de8b62ae42818c0bd8878b0d1900e17c7c43e0eFariborz Jahanian if (getCanonicalType(retType) != getCanonicalType(rbase->getResultType())) 434761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 43486a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: double check this 43496a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: should we error if lbase->getRegParmAttr() != 0 && 43506a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // rbase->getRegParmAttr() != 0 && 43516a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // lbase->getRegParmAttr() != rbase->getRegParmAttr()? 4352264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo lbaseInfo = lbase->getExtInfo(); 4353264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo rbaseInfo = rbase->getExtInfo(); 43546a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar unsigned RegParm = lbaseInfo.getRegParm() == 0 ? rbaseInfo.getRegParm() : 43556a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar lbaseInfo.getRegParm(); 43566a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar bool NoReturn = lbaseInfo.getNoReturn() || rbaseInfo.getNoReturn(); 43576a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar if (NoReturn != lbaseInfo.getNoReturn() || 43586a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar RegParm != lbaseInfo.getRegParm()) 43596a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allLTypes = false; 43606a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar if (NoReturn != rbaseInfo.getNoReturn() || 43616a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar RegParm != rbaseInfo.getRegParm()) 43626a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allRTypes = false; 4363264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola CallingConv lcc = lbaseInfo.getCC(); 4364264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola CallingConv rcc = rbaseInfo.getCC(); 4365ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor // Compatible functions must have compatible calling conventions 436604a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (!isSameCallConv(lcc, rcc)) 4367ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor return QualType(); 43681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43693d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto && rproto) { // two C99 style function prototypes 4370465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!lproto->hasExceptionSpec() && !rproto->hasExceptionSpec() && 4371465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl "C++ shouldn't be here"); 43723d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned lproto_nargs = lproto->getNumArgs(); 43733d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned rproto_nargs = rproto->getNumArgs(); 43743d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 43753d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Compatible functions must have the same number of arguments 43763d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto_nargs != rproto_nargs) 43773d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 43783d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 43793d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Variadic and non-variadic functions aren't compatible 43803d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto->isVariadic() != rproto->isVariadic()) 43813d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 43823d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 43837fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis if (lproto->getTypeQuals() != rproto->getTypeQuals()) 43847fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis return QualType(); 43857fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis 43863d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check argument compatibility 43873d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman llvm::SmallVector<QualType, 10> types; 43883d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < lproto_nargs; i++) { 43893d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType largtype = lproto->getArgType(i).getUnqualifiedType(); 43903d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType rargtype = rproto->getArgType(i).getUnqualifiedType(); 4391132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType argtype = mergeTypes(largtype, rargtype, OfBlockPointer); 43923d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argtype.isNull()) return QualType(); 43933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman types.push_back(argtype); 439461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(largtype)) 439561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 439661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(rargtype)) 439761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 43983d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 43993d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 44003d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 44013d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, types.begin(), types.size(), 44022455636163fdd18581d7fdae816433f886d88213Mike Stump lproto->isVariadic(), lproto->getTypeQuals(), 4403264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, false, 0, 0, 4404425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo(NoReturn, RegParm, lcc)); 44053d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 44063d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 44073d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto) allRTypes = false; 44083d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (rproto) allLTypes = false; 44093d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 441072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *proto = lproto ? lproto : rproto; 44113d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto) { 4412465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!proto->hasExceptionSpec() && "C++ shouldn't be here"); 44133d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto->isVariadic()) return QualType(); 44143d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check that the types are compatible with the types that 44153d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // would result from default argument promotions (C99 6.7.5.3p15). 44163d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // The only types actually affected are promotable integer 44173d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // types and floats, which would be passed as a different 44183d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // type depending on whether the prototype is visible. 44193d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned proto_nargs = proto->getNumArgs(); 44203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < proto_nargs; ++i) { 44213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType argTy = proto->getArgType(i); 4422b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 4423b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // Look at the promotion type of enum types, since that is the type used 4424b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // to pass enum values. 4425b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor if (const EnumType *Enum = argTy->getAs<EnumType>()) 4426b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor argTy = Enum->getDecl()->getPromotionType(); 4427b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 44283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argTy->isPromotableIntegerType() || 44293d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman getCanonicalType(argTy).getUnqualifiedType() == FloatTy) 44303d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 44313d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 44323d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 44333d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 44343d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 44353d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, proto->arg_type_begin(), 44362d3c191e1d5545e1724ee6e0550c70eef54beff2Mike Stump proto->getNumArgs(), proto->isVariadic(), 4437264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola proto->getTypeQuals(), 4438264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, false, 0, 0, 4439425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo(NoReturn, RegParm, lcc)); 44403d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 44413d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 44423d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 44433d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 4444425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo Info(NoReturn, RegParm, lcc); 4445264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getFunctionNoProtoType(retType, Info); 44463d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 44473d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4448132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeTypes(QualType LHS, QualType RHS, 4449132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian bool OfBlockPointer) { 445043d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // C++ [expr]: If an expression initially has the type "reference to T", the 445143d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // type is adjusted to "T" prior to any further analysis, the expression 445243d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // designates the object or function denoted by the reference, and the 44537c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // expression is an lvalue unless the reference is an rvalue reference and 44547c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // the expression is a function call (possibly inside parentheses). 44550e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!LHS->getAs<ReferenceType>() && "LHS is a reference type?"); 44560e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!RHS->getAs<ReferenceType>() && "RHS is a reference type?"); 44570e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 44583d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSCan = getCanonicalType(LHS), 44593d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman RHSCan = getCanonicalType(RHS); 44603d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4461f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner // If two types are identical, they are compatible. 44623d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LHSCan == RHSCan) 44633d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 44643d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 44650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the qualifiers are different, the types aren't compatible... mostly. 4466a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers LQuals = LHSCan.getLocalQualifiers(); 4467a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers RQuals = RHSCan.getLocalQualifiers(); 44680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals != RQuals) { 44690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If any of these qualifiers are different, we have a type 44700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // mismatch. 44710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 44720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall LQuals.getAddressSpace() != RQuals.getAddressSpace()) 44730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 44740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 44750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Exactly one GC qualifier difference is allowed: __strong is 44760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // okay if the other type has no GC qualifier but is an Objective 44770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // C object pointer (i.e. implicitly strong by default). We fix 44780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // this by pretending that the unqualified type was actually 44790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualified __strong. 44800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 44810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 44820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 44830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 44840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 44850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 44860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 44870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Strong && RHSCan->isObjCObjectPointerType()) { 44880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(LHS, getObjCGCQualType(RHS, Qualifiers::Strong)); 44890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 44900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_R == Qualifiers::Strong && LHSCan->isObjCObjectPointerType()) { 44910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(getObjCGCQualType(LHS, Qualifiers::Strong), RHS); 44920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 44933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 44940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 44950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 44960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Okay, qualifiers are equal. 44973d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4498852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass LHSClass = LHSCan->getTypeClass(); 4499852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass RHSClass = RHSCan->getTypeClass(); 4500f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner 45011adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // We want to consider the two function types to be the same for these 45021adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // comparisons, just force one to the other. 45031adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (LHSClass == Type::FunctionProto) LHSClass = Type::FunctionNoProto; 45041adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (RHSClass == Type::FunctionProto) RHSClass = Type::FunctionNoProto; 45054c721d381fb279899337d120edd4a24d405e56b2Eli Friedman 45064c721d381fb279899337d120edd4a24d405e56b2Eli Friedman // Same as above for arrays 4507a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (LHSClass == Type::VariableArray || LHSClass == Type::IncompleteArray) 4508a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner LHSClass = Type::ConstantArray; 4509a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (RHSClass == Type::VariableArray || RHSClass == Type::IncompleteArray) 4510a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner RHSClass = Type::ConstantArray; 45111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4512c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // ObjCInterfaces are just specialized ObjCObjects. 4513c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHSClass == Type::ObjCInterface) LHSClass = Type::ObjCObject; 4514c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (RHSClass == Type::ObjCInterface) RHSClass = Type::ObjCObject; 4515c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4516213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman // Canonicalize ExtVector -> Vector. 4517213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (LHSClass == Type::ExtVector) LHSClass = Type::Vector; 4518213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (RHSClass == Type::ExtVector) RHSClass = Type::Vector; 45191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 45204e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff // If the canonical type classes don't match. 45214e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff if (LHSClass != RHSClass) { 45221adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // C99 6.7.2.2p4: Each enumerated type shall be compatible with char, 45231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // a signed integer type, or an unsigned integer type. 4524842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // Compatibility is based on the underlying type, not the promotion 4525842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // type. 4526183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = LHS->getAs<EnumType>()) { 45273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == RHSCan.getUnqualifiedType()) 45283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 4529bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 4530183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = RHS->getAs<EnumType>()) { 45313d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == LHSCan.getUnqualifiedType()) 45323d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 4533bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 45341adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner 45353d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 4536ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 45373d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 45384a74678ed6c3dedac05d02b1ee341f1db869f049Steve Naroff // The canonical type classes match. 45391adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner switch (LHSClass) { 454072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 454172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 4542ad5e73887052193afda72db8efcb812bd083a4a8John McCall#define NON_CANONICAL_UNLESS_DEPENDENT_TYPE(Class, Base) case Type::Class: 454372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 454472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 454572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 454672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Non-canonical and dependent types shouldn't get here"); 454772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 454872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 45497c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::LValueReference: 45507c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::RValueReference: 455172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::MemberPointer: 455272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "C++ should never be in mergeTypes"); 455372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 455472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 4555c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCInterface: 455672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 455772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::VariableArray: 455872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::FunctionProto: 455972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::ExtVector: 456072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Types are eliminated above"); 456172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 456272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 45631adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Pointer: 45643d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 45653d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Merge two pointer types, while trying to preserve typedef info 45666217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<PointerType>()->getPointeeType(); 45676217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<PointerType>()->getPointeeType(); 45683d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType ResultType = mergeTypes(LHSPointee, RHSPointee); 45693d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 457007d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 457161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 457207d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 457361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 45743d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getPointerType(ResultType); 45753d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 4576c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff case Type::BlockPointer: 4577c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff { 4578c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff // Merge two block pointer types, while trying to preserve typedef info 45796217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<BlockPointerType>()->getPointeeType(); 45806217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<BlockPointerType>()->getPointeeType(); 4581132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType ResultType = mergeTypes(LHSPointee, RHSPointee, OfBlockPointer); 4582c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (ResultType.isNull()) return QualType(); 4583c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 4584c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return LHS; 4585c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 4586c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return RHS; 4587c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return getBlockPointerType(ResultType); 4588c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff } 45891adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::ConstantArray: 45903d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 45913d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* LCAT = getAsConstantArrayType(LHS); 45923d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* RCAT = getAsConstantArrayType(RHS); 45933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LCAT && RCAT && RCAT->getSize() != LCAT->getSize()) 45943d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 45953d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 45963d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSElem = getAsArrayType(LHS)->getElementType(); 45973d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType RHSElem = getAsArrayType(RHS)->getElementType(); 45983d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType ResultType = mergeTypes(LHSElem, RHSElem); 45993d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 460061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LCAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 460161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 460261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RCAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 460361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 46043bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (LCAT) return getConstantArrayType(ResultType, LCAT->getSize(), 46053bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 46063bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (RCAT) return getConstantArrayType(ResultType, RCAT->getSize(), 46073bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 46083d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* LVAT = getAsVariableArrayType(LHS); 46093d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* RVAT = getAsVariableArrayType(RHS); 461061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LVAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 461161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 461261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RVAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 461361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 46143d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LVAT) { 46153d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 46163d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of LHS, but the type 46173d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 46183d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 46193d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 46203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (RVAT) { 46213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 46223d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of RHS, but the type 46233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 46243d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 46253d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 46263bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(LHSElem) == getCanonicalType(ResultType)) return LHS; 46273bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(RHSElem) == getCanonicalType(ResultType)) return RHS; 46287e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return getIncompleteArrayType(ResultType, 46297e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArrayType::ArraySizeModifier(), 0); 46303d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 46311adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::FunctionNoProto: 4632132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return mergeFunctionTypes(LHS, RHS, OfBlockPointer); 463372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 463472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: 46353d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 46361adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Builtin: 46373cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner // Only exactly equal builtin types are compatible, which is tested above. 46383d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 463964cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar case Type::Complex: 464064cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar // Distinct complex types are incompatible. 464164cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar return QualType(); 46423cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner case Type::Vector: 46435a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: The merged type should be an ExtVector! 46441c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall if (areCompatVectorTypes(LHSCan->getAs<VectorType>(), 46451c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall RHSCan->getAs<VectorType>())) 46463d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 464761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return QualType(); 4648c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: { 4649c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Check if the types are assignment compatible. 46505a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: This should be type compatibility, e.g. whether 46515a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // "LHS x; RHS x;" at global scope is legal. 4652c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHSIface = LHS->getAs<ObjCObjectType>(); 4653c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHSIface = RHS->getAs<ObjCObjectType>(); 4654c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (canAssignObjCInterfaces(LHSIface, RHSIface)) 46555fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff return LHS; 46565fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff 46573d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 465861490e9a965cfee8a78c12c6802138844f04250dCedric Venet } 465914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff case Type::ObjCObjectPointer: { 4660132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (OfBlockPointer) { 4661132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (canAssignObjCInterfacesInBlockPointer( 4662132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian LHS->getAs<ObjCObjectPointerType>(), 4663132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian RHS->getAs<ObjCObjectPointerType>())) 4664132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return LHS; 4665132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return QualType(); 4666132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4667183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (canAssignObjCInterfaces(LHS->getAs<ObjCObjectPointerType>(), 4668183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall RHS->getAs<ObjCObjectPointerType>())) 466914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return LHS; 467014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4671bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff return QualType(); 4672132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4673ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 467472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 467572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 4676ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff} 46777192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek 46782390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// mergeObjCGCQualifiers - This routine merges ObjC's GC attribute of 'LHS' and 46792390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// 'RHS' attributes and returns the merged version; including for function 46802390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// return types. 46812390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz JahanianQualType ASTContext::mergeObjCGCQualifiers(QualType LHS, QualType RHS) { 46822390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSCan = getCanonicalType(LHS), 46832390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian RHSCan = getCanonicalType(RHS); 46842390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If two types are identical, they are compatible. 46852390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan == RHSCan) 46862390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 46872390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (RHSCan->isFunctionType()) { 46882390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (!LHSCan->isFunctionType()) 46892390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 46902390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType OldReturnType = 46912390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(RHSCan.getTypePtr())->getResultType(); 46922390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType NewReturnType = 46932390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(LHSCan.getTypePtr())->getResultType(); 46942390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResReturnType = 46952390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian mergeObjCGCQualifiers(NewReturnType, OldReturnType); 46962390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType.isNull()) 46972390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 46982390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType == NewReturnType || ResReturnType == OldReturnType) { 46992390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // id foo(); ... __strong id foo(); or: __strong id foo(); ... id foo(); 47002390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // In either case, use OldReturnType to build the new function type. 47012390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian const FunctionType *F = LHS->getAs<FunctionType>(); 47022390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (const FunctionProtoType *FPT = cast<FunctionProtoType>(F)) { 47032390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FunctionType::ExtInfo Info = getFunctionExtInfo(LHS); 47042390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResultType 47052390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian = getFunctionType(OldReturnType, FPT->arg_type_begin(), 47062390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->getNumArgs(), FPT->isVariadic(), 47072390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->getTypeQuals(), 47082390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->hasExceptionSpec(), 47092390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->hasAnyExceptionSpec(), 47102390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->getNumExceptions(), 47112390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->exception_begin(), 47122390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Info); 47132390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return ResultType; 47142390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 47152390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 47162390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 47172390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 47182390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 47192390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If the qualifiers are different, the types can still be merged. 47202390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers LQuals = LHSCan.getLocalQualifiers(); 47212390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers RQuals = RHSCan.getLocalQualifiers(); 47222390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals != RQuals) { 47232390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If any of these qualifiers are different, we have a type mismatch. 47242390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 47252390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian LQuals.getAddressSpace() != RQuals.getAddressSpace()) 47262390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 47272390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 47282390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // Exactly one GC qualifier difference is allowed: __strong is 47292390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // okay if the other type has no GC qualifier but is an Objective 47302390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // C object pointer (i.e. implicitly strong by default). We fix 47312390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // this by pretending that the unqualified type was actually 47322390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // qualified __strong. 47332390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 47342390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 47352390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 47362390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 47372390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 47382390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 47392390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 47402390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Strong) 47412390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 47422390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_R == Qualifiers::Strong) 47432390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 47442390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 47452390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 47462390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 47472390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan->isObjCObjectPointerType() && RHSCan->isObjCObjectPointerType()) { 47482390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSBaseQT = LHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 47492390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType RHSBaseQT = RHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 47502390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResQT = mergeObjCGCQualifiers(LHSBaseQT, RHSBaseQT); 47512390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == LHSBaseQT) 47522390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 47532390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == RHSBaseQT) 47542390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 47552390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 47562390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 47572390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian} 47582390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 47595426bf6456a5aeac416a9150de157904d101c819Chris Lattner//===----------------------------------------------------------------------===// 4760ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman// Integer Predicates 4761ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman//===----------------------------------------------------------------------===// 476288054dee0402e4d3c1f64e6b697acc47195c0d72Chris Lattner 4763ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedmanunsigned ASTContext::getIntWidth(QualType T) { 4764632d772a78db7e2cd9b36f8a22aee49d44486fbfSebastian Redl if (T->isBooleanType()) 4765ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return 1; 4766842aef8d942a880eeb9535d40de31a86838264cbJohn McCall if (EnumType *ET = dyn_cast<EnumType>(T)) 476729a7f3342c3c6dd15d914c61ae22246c36d51ce7Eli Friedman T = ET->getDecl()->getIntegerType(); 4768f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // For builtin types, just use the standard type sizing method 4769ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return (unsigned)getTypeSize(T); 4770ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 4771ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 4772ad74a758189180b8ab8faea648e4766c3bfd7fcbEli FriedmanQualType ASTContext::getCorrespondingUnsignedType(QualType T) { 4773ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman assert(T->isSignedIntegerType() && "Unexpected type"); 47746a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 47756a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // Turn <4 x signed int> -> <4 x unsigned int> 47766a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const VectorType *VTy = T->getAs<VectorType>()) 47776a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner return getVectorType(getCorrespondingUnsignedType(VTy->getElementType()), 477882287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VTy->getNumElements(), VTy->isAltiVec(), VTy->isPixel()); 47796a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 47806a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // For enums, we return the unsigned version of the base type. 47816a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const EnumType *ETy = T->getAs<EnumType>()) 4782ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman T = ETy->getDecl()->getIntegerType(); 47836a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 47846a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner const BuiltinType *BTy = T->getAs<BuiltinType>(); 47856a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner assert(BTy && "Unexpected signed integer type"); 4786ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman switch (BTy->getKind()) { 4787ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Char_S: 4788ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::SChar: 4789ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedCharTy; 4790ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Short: 4791ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedShortTy; 4792ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Int: 4793ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedIntTy; 4794ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Long: 4795ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongTy; 4796ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::LongLong: 4797ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongLongTy; 47982df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 47992df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return UnsignedInt128Ty; 4800ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman default: 4801ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman assert(0 && "Unexpected signed integer type"); 4802ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return QualType(); 4803ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman } 4804ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 4805ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 48062cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorExternalASTSource::~ExternalASTSource() { } 48072cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 48082cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregorvoid ExternalASTSource::PrintStats() { } 480986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 481086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 481186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 481286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner// Builtin Type Computation 481386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 481486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 481586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// DecodeTypeFromStr - This decodes one type descriptor from Str, advancing the 481686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// pointer over the consumed characters. This returns the resultant type. 48171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic QualType DecodeTypeFromStr(const char *&Str, ASTContext &Context, 481886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ASTContext::GetBuiltinTypeError &Error, 481986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool AllowTypeModifiers = true) { 482086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Modifiers. 482186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner int HowLong = 0; 482286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Signed = false, Unsigned = false; 48231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 482486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Read the modifiers first. 482586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Done = false; 482686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 482786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 48281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: Done = true; --Str; break; 482986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'S': 483086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use both 'S' and 'U' modifiers!"); 483186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use 'S' modifier multiple times!"); 483286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Signed = true; 483386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 483486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'U': 483586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use both 'S' and 'U' modifiers!"); 483686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use 'S' modifier multiple times!"); 483786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Unsigned = true; 483886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 483986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'L': 484086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong <= 2 && "Can't have LLLL modifier"); 484186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ++HowLong; 484286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 484386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 484486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 484586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 484686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType Type; 48471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 484886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Read the base type. 484986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 485086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner default: assert(0 && "Unknown builtin type letter!"); 485186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'v': 485286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 485386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'v'!"); 485486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.VoidTy; 485586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 485686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'f': 485786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 485886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'f'!"); 485986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.FloatTy; 486086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 486186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'd': 486286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong < 2 && !Signed && !Unsigned && 486386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'd'!"); 486486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong) 486586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.LongDoubleTy; 486686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 486786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.DoubleTy; 486886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 486986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 's': 487086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 's'!"); 487186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Unsigned) 487286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedShortTy; 487386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 487486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.ShortTy; 487586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 487686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'i': 487786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong == 3) 487886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedInt128Ty : Context.Int128Ty; 487986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 2) 488086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongLongTy : Context.LongLongTy; 488186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 1) 488286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongTy : Context.LongTy; 488386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 488486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedIntTy : Context.IntTy; 488586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 488686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'c': 488786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 'c'!"); 488886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Signed) 488986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.SignedCharTy; 489086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (Unsigned) 489186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedCharTy; 489286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 489386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.CharTy; 489486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 489586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'b': // boolean 489686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'b'!"); 489786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.BoolTy; 489886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 489986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'z': // size_t. 490086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'z'!"); 490186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getSizeType(); 490286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 490386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'F': 490486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getCFConstantStringType(); 490586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 490686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'a': 490786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 490886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 490986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 491086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'A': 491186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // This is a "reference" to a va_list; however, what exactly 491286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // this means depends on how va_list is defined. There are two 491386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // different kinds of va_list: ones passed by value, and ones 491486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // passed by reference. An example of a by-value va_list is 491586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // x86, where va_list is a char*. An example of by-ref va_list 491686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // is x86-64, where va_list is a __va_list_tag[1]. For x86, 491786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // we want this argument to be a char*&; for x86-64, we want 491886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // it to be a __va_list_tag*. 491986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 492086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 492186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Type->isArrayType()) { 492286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getArrayDecayedType(Type); 492386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } else { 492486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getLValueReferenceType(Type); 492586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 492686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 492786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'V': { 492886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner char *End; 492986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner unsigned NumElements = strtoul(Str, &End, 10); 493086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(End != Str && "Missing vector size"); 49311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 493286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Str = End; 49331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 493486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, false); 493582287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson // FIXME: Don't know what to do about AltiVec. 493682287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson Type = Context.getVectorType(ElementType, NumElements, false, false); 493786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 493886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 4939d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor case 'X': { 4940d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor QualType ElementType = DecodeTypeFromStr(Str, Context, Error, false); 4941d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor Type = Context.getComplexType(ElementType); 4942d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor break; 4943d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor } 49449a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'P': 4945c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor Type = Context.getFILEType(); 4946c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor if (Type.isNull()) { 4947f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_stdio; 494886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 494986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 4950fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 49519a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'J': 4952f711c41dd9412a8182793259d355c4f6979ed5edMike Stump if (Signed) 4953782fa308a765aeac2acb39c4e697c937ec21185bMike Stump Type = Context.getsigjmp_bufType(); 4954f711c41dd9412a8182793259d355c4f6979ed5edMike Stump else 4955f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Type = Context.getjmp_bufType(); 4956f711c41dd9412a8182793259d355c4f6979ed5edMike Stump 4957fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump if (Type.isNull()) { 4958f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_setjmp; 4959fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump return QualType(); 4960fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump } 4961fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 4962782fa308a765aeac2acb39c4e697c937ec21185bMike Stump } 49631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 496486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (!AllowTypeModifiers) 496586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return Type; 49661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 496786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Done = false; 496886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 4969187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall switch (char c = *Str++) { 497086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner default: Done = true; --Str; break; 497186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case '*': 497286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case '&': 4973187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall { 4974187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall // Both pointers and references can have their pointee types 4975187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall // qualified with an address space. 4976187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall char *End; 4977187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall unsigned AddrSpace = strtoul(Str, &End, 10); 4978187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall if (End != Str && AddrSpace != 0) { 4979187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall Type = Context.getAddrSpaceQualType(Type, AddrSpace); 4980187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall Str = End; 4981187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall } 4982187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall } 4983187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall if (c == '*') 4984187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall Type = Context.getPointerType(Type); 4985187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall else 4986187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall Type = Context.getLValueReferenceType(Type); 498786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 498886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // FIXME: There's no way to have a built-in with an rvalue ref arg. 498986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'C': 49900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Type = Type.withConst(); 499186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 4992013af39d2a6a2e684f5a458c97890c52cddb7157Fariborz Jahanian case 'D': 4993013af39d2a6a2e684f5a458c97890c52cddb7157Fariborz Jahanian Type = Context.getVolatileType(Type); 4994013af39d2a6a2e684f5a458c97890c52cddb7157Fariborz Jahanian break; 499586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 499686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 49971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 499886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return Type; 499986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 500086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 500186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// GetBuiltinType - Return the type for the specified builtin. 500286df27bbdbb98c39ec2184695c0561209f91beddChris LattnerQualType ASTContext::GetBuiltinType(unsigned id, 500386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner GetBuiltinTypeError &Error) { 500486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner const char *TypeStr = BuiltinInfo.GetTypeString(id); 50051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 500686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner llvm::SmallVector<QualType, 8> ArgTypes; 50071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 500886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Error = GE_None; 500986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType ResType = DecodeTypeFromStr(TypeStr, *this, Error); 501086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 501186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 501286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (TypeStr[0] && TypeStr[0] != '.') { 501386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType Ty = DecodeTypeFromStr(TypeStr, *this, Error); 501486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 501586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 501686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 501786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Do array -> pointer decay. The builtin should use the decayed type. 501886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Ty->isArrayType()) 501986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Ty = getArrayDecayedType(Ty); 50201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 502186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ArgTypes.push_back(Ty); 502286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 502386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 502486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert((TypeStr[0] != '.' || TypeStr[1] == 0) && 502586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "'.' should only occur at end of builtin type list!"); 502686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 502786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // handle untyped/variadic arguments "T c99Style();" or "T cppStyle(...);". 502886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (ArgTypes.size() == 0 && TypeStr[0] == '.') 502986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return getFunctionNoProtoType(ResType); 5030ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor 5031ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor // FIXME: Should we create noreturn types? 503286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return getFunctionType(ResType, ArgTypes.data(), ArgTypes.size(), 5033ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor TypeStr[0] == '.', 0, false, false, 0, 0, 5034264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo()); 503586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 5036a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 5037a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli FriedmanQualType 5038a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli FriedmanASTContext::UsualArithmeticConversionsType(QualType lhs, QualType rhs) { 5039a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Perform the usual unary conversions. We do this early so that 5040a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // integral promotions to "int" can allow us to exit early, in the 5041a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // lhs == rhs check. Also, for conversion purposes, we ignore any 5042a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // qualifiers. For example, "const float" and "float" are 5043a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // equivalent. 5044a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isPromotableIntegerType()) 5045a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman lhs = getPromotedIntegerType(lhs); 5046a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman else 5047a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman lhs = lhs.getUnqualifiedType(); 5048a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (rhs->isPromotableIntegerType()) 5049a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhs = getPromotedIntegerType(rhs); 5050a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman else 5051a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhs = rhs.getUnqualifiedType(); 5052a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 5053a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // If both types are identical, no conversion is needed. 5054a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs == rhs) 5055a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 50561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5057a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // If either side is a non-arithmetic type (e.g. a pointer), we are done. 5058a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The caller can deal with this (e.g. pointer + int). 5059a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (!lhs->isArithmeticType() || !rhs->isArithmeticType()) 5060a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 50611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 50621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // At this point, we have two different arithmetic types. 50631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5064a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Handle complex types first (C99 6.3.1.8p1). 5065a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isComplexType() || rhs->isComplexType()) { 5066a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // if we have an integer operand, the result is the complex type. 50671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (rhs->isIntegerType() || rhs->isComplexIntegerType()) { 5068a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the rhs to the lhs complex type. 5069a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5070a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 50711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isIntegerType() || lhs->isComplexIntegerType()) { 5072a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the lhs to the rhs complex type. 5073a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5074a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5075a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // This handles complex/complex, complex/float, or float/complex. 50761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // When both operands are complex, the shorter operand is converted to the 50771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // type of the longer, and that is the type of the result. This corresponds 50781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // to what is done when combining two real floating-point operands. 50791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // The fun begins when size promotion occur across type domains. 5080a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // From H&S 6.3.4: When one operand is complex and the other is a real 50811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // floating-point type, the less precise type is converted, within it's 5082a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // real or complex domain, to the precision of the other type. For example, 50831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // when combining a "long double" with a "double _Complex", the 5084a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // "double _Complex" is promoted to "long double _Complex". 5085a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman int result = getFloatingTypeOrder(lhs, rhs); 50861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 50871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (result > 0) { // The left side is bigger, convert rhs. 5088a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhs = getFloatingTypeOfSizeWithinDomain(lhs, rhs); 50891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } else if (result < 0) { // The right side is bigger, convert lhs. 5090a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman lhs = getFloatingTypeOfSizeWithinDomain(rhs, lhs); 50911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 5092a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // At this point, lhs and rhs have the same rank/size. Now, make sure the 5093a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // domains match. This is a requirement for our implementation, C99 5094a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // does not require this promotion. 5095a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs != rhs) { // Domains don't match, we have complex/float mix. 5096a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isRealFloatingType()) { // handle "double, _Complex double". 5097a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5098a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else { // handle "_Complex double, double". 5099a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5100a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5101a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5102a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; // The domain/size match exactly. 5103a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5104a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Now handle "real" floating types (i.e. float, double, long double). 5105a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isRealFloatingType() || rhs->isRealFloatingType()) { 5106a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // if we have an integer operand, the result is the real floating type. 5107a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (rhs->isIntegerType()) { 5108a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert rhs to the lhs floating point type. 5109a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5110a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5111a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (rhs->isComplexIntegerType()) { 5112a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert rhs to the complex floating point type. 5113a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return getComplexType(lhs); 5114a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5115a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isIntegerType()) { 5116a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert lhs to the rhs floating point type. 5117a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5118a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 51191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isComplexIntegerType()) { 5120a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert lhs to the complex floating point type. 5121a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return getComplexType(rhs); 5122a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5123a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // We have two real floating types, float/complex combos were handled above. 5124a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Convert the smaller operand to the bigger result. 5125a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman int result = getFloatingTypeOrder(lhs, rhs); 5126a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (result > 0) // convert the rhs 5127a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5128a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(result < 0 && "illegal float comparison"); 5129a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; // convert the lhs 5130a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5131a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isComplexIntegerType() || rhs->isComplexIntegerType()) { 5132a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Handle GCC complex int extension. 5133a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman const ComplexType *lhsComplexInt = lhs->getAsComplexIntegerType(); 5134a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman const ComplexType *rhsComplexInt = rhs->getAsComplexIntegerType(); 5135a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 5136a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhsComplexInt && rhsComplexInt) { 51371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (getIntegerTypeOrder(lhsComplexInt->getElementType(), 5138a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhsComplexInt->getElementType()) >= 0) 5139a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; // convert the rhs 5140a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5141a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (lhsComplexInt && rhs->isIntegerType()) { 5142a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the rhs to the lhs complex type. 5143a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5144a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (rhsComplexInt && lhs->isIntegerType()) { 5145a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the lhs to the rhs complex type. 5146a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5147a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5148a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5149a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Finally, we have two differing integer types. 5150a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The rules for this case are in C99 6.3.1.8 5151a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman int compare = getIntegerTypeOrder(lhs, rhs); 5152a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman bool lhsSigned = lhs->isSignedIntegerType(), 5153a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhsSigned = rhs->isSignedIntegerType(); 5154a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman QualType destType; 5155a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhsSigned == rhsSigned) { 5156a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Same signedness; use the higher-ranked type 5157a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = compare >= 0 ? lhs : rhs; 5158a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (compare != (lhsSigned ? 1 : -1)) { 5159a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The unsigned type has greater than or equal rank to the 5160a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // signed type, so use the unsigned type 5161a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = lhsSigned ? rhs : lhs; 5162a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (getIntWidth(lhs) != getIntWidth(rhs)) { 5163a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The two types are different widths; if we are here, that 5164a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // means the signed type is larger than the unsigned type, so 5165a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // use the signed type. 5166a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = lhsSigned ? lhs : rhs; 5167a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else { 5168a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The signed type is higher-ranked than the unsigned type, 5169a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // but isn't actually any bigger (like unsigned int and long 5170a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // on most 32-bit systems). Use the unsigned type corresponding 5171a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // to the signed type. 5172a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = getCorrespondingUnsignedType(lhsSigned ? lhs : rhs); 5173a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5174a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return destType; 5175a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman} 5176