ASTContext.cpp revision ceafbdeb93ecf323cca74e660bf54504c86f3b71
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- ASTContext.cpp - Context to hold long-lived AST nodes ------------===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 75f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 85f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 95f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// This file implements the ASTContext interface. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/AST/ASTContext.h" 15bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck#include "clang/AST/CharUnits.h" 1649aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis#include "clang/AST/DeclCXX.h" 17980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff#include "clang/AST/DeclObjC.h" 18aaba5e346dffdbad5d1c42765a89e4a7afb0da67Douglas Gregor#include "clang/AST/DeclTemplate.h" 19b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis#include "clang/AST/TypeLoc.h" 20e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar#include "clang/AST/Expr.h" 21ea1471e0e967548c596a71469702f8846dbaf3c0John McCall#include "clang/AST/ExprCXX.h" 222cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor#include "clang/AST/ExternalASTSource.h" 2319cc4abea06a9b49e0e16a50d335c064cd723572Anders Carlsson#include "clang/AST/RecordLayout.h" 241b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner#include "clang/Basic/Builtins.h" 25a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner#include "clang/Basic/SourceManager.h" 265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Basic/TargetInfo.h" 27f5942a44880be26878592eb052b737579349411eBenjamin Kramer#include "llvm/ADT/SmallString.h" 2885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson#include "llvm/ADT/StringExtras.h" 296fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman#include "llvm/Support/MathExtras.h" 30f5942a44880be26878592eb052b737579349411eBenjamin Kramer#include "llvm/Support/raw_ostream.h" 3129445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson#include "RecordLayoutBuilder.h" 3229445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerenum FloatingRank { 365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatRank, DoubleRank, LongDoubleRank 375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3961710854be2b098428aff5316e64bd34b30fbcb7Chris LattnerASTContext::ASTContext(const LangOptions& LOpts, SourceManager &SM, 40444be7366d0a1e172c0290a1ea54c1cb16b5947cDaniel Dunbar const TargetInfo &t, 41e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar IdentifierTable &idents, SelectorTable &sels, 421b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner Builtin::Context &builtins, 431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool FreeMem, unsigned size_reserve) : 441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump GlobalNestedNameSpecifier(0), CFConstantStringTypeDecl(0), 452bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl(0), 46782fa308a765aeac2acb39c4e697c937ec21185bMike Stump ObjCFastEnumerationStateTypeDecl(0), FILEDecl(0), jmp_bufDecl(0), 47083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump sigjmp_bufDecl(0), BlockDescriptorType(0), BlockDescriptorExtendedType(0), 48c6fbbedb3e90ff2f04828c36fd839e01468679f5Douglas Gregor SourceMgr(SM), LangOpts(LOpts), FreeMemory(FreeMem), Target(t), 492e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor Idents(idents), Selectors(sels), 50ac9590effa90406767a544005ed1de52e258306bTed Kremenek BuiltinInfo(builtins), 51ac9590effa90406767a544005ed1de52e258306bTed Kremenek DeclarationNames(*this), 52ac9590effa90406767a544005ed1de52e258306bTed Kremenek ExternalSource(0), PrintingPolicy(LOpts), 530c01d18094100db92d38daa923c95661512db203John McCall LastSDM(0, 0) { 540f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall ObjCIdRedefinitionType = QualType(); 550f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall ObjCClassRedefinitionType = QualType(); 56369a3bd9979cf529eed529aa037de713c213e47dFariborz Jahanian ObjCSelRedefinitionType = QualType(); 571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (size_reserve > 0) Types.reserve(size_reserve); 58e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar TUDecl = TranslationUnitDecl::Create(*this); 5914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff InitBuiltinTypes(); 60e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar} 61e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar 625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerASTContext::~ASTContext() { 633478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // Release the DenseMaps associated with DeclContext objects. 643478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // FIXME: Is this the ideal solution? 653478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek ReleaseDeclContextMaps(); 667d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 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 RecordDecl*, const ASTRecordLayout*>::iterator 93503524acc73f2f8280080ca0d200377406001b65Ted Kremenek I = ASTRecordLayouts.begin(), E = ASTRecordLayouts.end(); I != E; ) { 94503524acc73f2f8280080ca0d200377406001b65Ted Kremenek // Increment in loop to prevent using deallocated memory. 95503524acc73f2f8280080ca0d200377406001b65Ted Kremenek if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 96503524acc73f2f8280080ca0d200377406001b65Ted Kremenek R->Destroy(*this); 97503524acc73f2f8280080ca0d200377406001b65Ted Kremenek } 98b74668edbc119880eb0a7e563432314432cb775dNuno Lopes 99503524acc73f2f8280080ca0d200377406001b65Ted Kremenek for (llvm::DenseMap<const ObjCContainerDecl*, 100503524acc73f2f8280080ca0d200377406001b65Ted Kremenek const ASTRecordLayout*>::iterator 101503524acc73f2f8280080ca0d200377406001b65Ted Kremenek I = ObjCLayouts.begin(), E = ObjCLayouts.end(); I != E; ) { 102503524acc73f2f8280080ca0d200377406001b65Ted Kremenek // Increment in loop to prevent using deallocated memory. 103503524acc73f2f8280080ca0d200377406001b65Ted Kremenek if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 104503524acc73f2f8280080ca0d200377406001b65Ted Kremenek R->Destroy(*this); 105503524acc73f2f8280080ca0d200377406001b65Ted Kremenek } 106b74668edbc119880eb0a7e563432314432cb775dNuno Lopes } 107b74668edbc119880eb0a7e563432314432cb775dNuno Lopes 108ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor // Destroy nested-name-specifiers. 1091ae0afaf14b7ce9bed33c1fe51077d01a313434dDouglas Gregor for (llvm::FoldingSet<NestedNameSpecifier>::iterator 1101ae0afaf14b7ce9bed33c1fe51077d01a313434dDouglas Gregor NNS = NestedNameSpecifiers.begin(), 1111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NNSEnd = NestedNameSpecifiers.end(); 112bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek NNS != NNSEnd; ) { 113bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek // Increment in loop to prevent using deallocated memory. 1141ae0afaf14b7ce9bed33c1fe51077d01a313434dDouglas Gregor (*NNS++).Destroy(*this); 115bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek } 116ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 117ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor if (GlobalNestedNameSpecifier) 118ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor GlobalNestedNameSpecifier->Destroy(*this); 119ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 120b26153c2b06934b6d39886cae2a379988d9c3e2bEli Friedman TUDecl->Destroy(*this); 1215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1230054531488928a424666ac11fcdc6bcc5112de52Douglas Gregorvoid ASTContext::AddDeallocation(void (*Callback)(void*), void *Data) { 1240054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor Deallocations.push_back(std::make_pair(Callback, Data)); 1250054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor} 1260054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 1271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 1282cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorASTContext::setExternalSource(llvm::OwningPtr<ExternalASTSource> &Source) { 1292cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource.reset(Source.take()); 1302cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor} 1312cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 1325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::PrintStats() const { 1335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, "*** AST Context Stats:\n"); 1345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, " %d types total.\n", (int)Types.size()); 1357c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 136dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned counts[] = { 1371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump#define TYPE(Name, Parent) 0, 138dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 139dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 140dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor 0 // Extra 141dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor }; 142c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor 1435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0, e = Types.size(); i != e; ++i) { 1445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type *T = Types[i]; 145dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor counts[(unsigned)T->getTypeClass()]++; 1465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 148dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned Idx = 0; 149dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned TotalBytes = 0; 150dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define TYPE(Name, Parent) \ 151dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor if (counts[Idx]) \ 152dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor fprintf(stderr, " %d %s types\n", (int)counts[Idx], #Name); \ 153dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor TotalBytes += counts[Idx] * sizeof(Name##Type); \ 154dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor ++Idx; 155dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 156dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 1571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 158dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor fprintf(stderr, "Total bytes = %d\n", int(TotalBytes)); 1592cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 1602cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor if (ExternalSource.get()) { 1612cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor fprintf(stderr, "\n"); 1622cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource->PrintStats(); 1632cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor } 1645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 167e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallvoid ASTContext::InitBuiltinType(CanQualType &R, BuiltinType::Kind K) { 1686b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BuiltinType *Ty = new (*this, TypeAlignment) BuiltinType(K); 169e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall R = CanQualType::CreateUnsafe(QualType(Ty, 0)); 1706b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Types.push_back(Ty); 1715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::InitBuiltinTypes() { 1745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(VoidTy.isNull() && "Context reinitialized?"); 1751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p19. 1775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(VoidTy, BuiltinType::Void); 1781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p2. 1805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(BoolTy, BuiltinType::Bool); 1815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p3. 18215b91764d08e886391c865c4a444d7b51141c284Eli Friedman if (LangOpts.CharIsSigned) 1835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_S); 1845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 1855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_U); 1865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p4. 1875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(SignedCharTy, BuiltinType::SChar); 1885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(ShortTy, BuiltinType::Short); 1895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(IntTy, BuiltinType::Int); 1905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongTy, BuiltinType::Long); 1915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongLongTy, BuiltinType::LongLong); 1921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p6. 1945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedCharTy, BuiltinType::UChar); 1955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedShortTy, BuiltinType::UShort); 1965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedIntTy, BuiltinType::UInt); 1975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongTy, BuiltinType::ULong); 1985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongLongTy, BuiltinType::ULongLong); 1991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p10. 2015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(FloatTy, BuiltinType::Float); 2025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(DoubleTy, BuiltinType::Double); 2035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongDoubleTy, BuiltinType::LongDouble); 20464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 2052df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner // GNU extension, 128-bit integers. 2062df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(Int128Ty, BuiltinType::Int128); 2072df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(UnsignedInt128Ty, BuiltinType::UInt128); 2082df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner 2093a2503227c3db04a3619735127483263c1075ef7Chris Lattner if (LangOpts.CPlusPlus) // C++ 3.9.1p5 2103a2503227c3db04a3619735127483263c1075ef7Chris Lattner InitBuiltinType(WCharTy, BuiltinType::WChar); 2113a2503227c3db04a3619735127483263c1075ef7Chris Lattner else // C99 2123a2503227c3db04a3619735127483263c1075ef7Chris Lattner WCharTy = getFromTargetType(Target.getWCharType()); 21364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 214f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 215f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char16Ty, BuiltinType::Char16); 216f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 217f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char16Ty = getFromTargetType(Target.getChar16Type()); 218f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 219f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 220f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char32Ty, BuiltinType::Char32); 221f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 222f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char32Ty = getFromTargetType(Target.getChar32Type()); 223f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 2248e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor // Placeholder type for functions. 225898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor InitBuiltinType(OverloadTy, BuiltinType::Overload); 226898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 227898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // Placeholder type for type-dependent expressions whose type is 228898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // completely unknown. No code should ever check a type against 229898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // DependentTy and users should never see it; however, it is here to 230898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // help diagnose failures to properly check for type-dependent 231898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // expressions. 232898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor InitBuiltinType(DependentTy, BuiltinType::Dependent); 2338e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 2341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Placeholder type for C++0x auto declarations whose real type has 235e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson // not yet been deduced. 236e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson InitBuiltinType(UndeducedAutoTy, BuiltinType::UndeducedAuto); 2371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p11. 2395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatComplexTy = getComplexType(FloatTy); 2405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DoubleComplexTy = getComplexType(DoubleTy); 2415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongDoubleComplexTy = getComplexType(LongDoubleTy); 2428e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 2437e219e47de26346885d667131977bd9ca2d7662aSteve Naroff BuiltinVaListType = QualType(); 2441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 245de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // "Builtin" typedefs set by Sema::ActOnTranslationUnitScope(). 246de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = QualType(); 247de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = QualType(); 24813dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = QualType(); 2491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25013dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian // Builtin types for 'id', 'Class', and 'SEL'. 251de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinIdTy, BuiltinType::ObjCId); 252de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinClassTy, BuiltinType::ObjCClass); 25313dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian InitBuiltinType(ObjCBuiltinSelTy, BuiltinType::ObjCSel); 25414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 255a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = QualType(); 2561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // void * type 25833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian VoidPtrTy = getPointerType(VoidTy); 2596e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 2606e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl // nullptr type (C++0x 2.14.7) 2616e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl InitBuiltinType(NullPtrTy, BuiltinType::NullPtr); 2625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 2635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 264251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorMemberSpecializationInfo * 265663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas GregorASTContext::getInstantiatedFromStaticDataMember(const VarDecl *Var) { 2667caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Var->isStaticDataMember() && "Not a static data member"); 267663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor llvm::DenseMap<const VarDecl *, MemberSpecializationInfo *>::iterator Pos 2687caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor = InstantiatedFromStaticDataMember.find(Var); 2697caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Pos == InstantiatedFromStaticDataMember.end()) 2707caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return 0; 2711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2727caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return Pos->second; 2737caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 2747caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 2751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 276251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorASTContext::setInstantiatedFromStaticDataMember(VarDecl *Inst, VarDecl *Tmpl, 277251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor TemplateSpecializationKind TSK) { 2787caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Inst->isStaticDataMember() && "Not a static data member"); 2797caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Tmpl->isStaticDataMember() && "Not a static data member"); 2807caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(!InstantiatedFromStaticDataMember[Inst] && 2817caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor "Already noted what static data member was instantiated from"); 282251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor InstantiatedFromStaticDataMember[Inst] 283251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor = new (*this) MemberSpecializationInfo(Tmpl, TSK); 2847caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 2857caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 2867ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallNamedDecl * 287ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingDecl(UsingDecl *UUD) { 2887ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall llvm::DenseMap<UsingDecl *, NamedDecl *>::const_iterator Pos 289ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingDecl.find(UUD); 290ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingDecl.end()) 2910d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return 0; 2921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2930d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return Pos->second; 2940d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 2950d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 2960d8df780aef1acda5962347a32591efc629b6748Anders Carlssonvoid 297ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingDecl(UsingDecl *Inst, NamedDecl *Pattern) { 298ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert((isa<UsingDecl>(Pattern) || 299ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingValueDecl>(Pattern) || 300ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingTypenameDecl>(Pattern)) && 301ed97649e9574b9d854fa4d6109c9333ae0993554John McCall "pattern decl is not a using decl"); 302ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingDecl[Inst] && "pattern already exists"); 303ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingDecl[Inst] = Pattern; 304ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 305ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 306ed97649e9574b9d854fa4d6109c9333ae0993554John McCallUsingShadowDecl * 307ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst) { 308ed97649e9574b9d854fa4d6109c9333ae0993554John McCall llvm::DenseMap<UsingShadowDecl*, UsingShadowDecl*>::const_iterator Pos 309ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingShadowDecl.find(Inst); 310ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingShadowDecl.end()) 311ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return 0; 312ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 313ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Pos->second; 314ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 315ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 316ed97649e9574b9d854fa4d6109c9333ae0993554John McCallvoid 317ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst, 318ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingShadowDecl *Pattern) { 319ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingShadowDecl[Inst] && "pattern already exists"); 320ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingShadowDecl[Inst] = Pattern; 3210d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 3220d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 323d8b285fee4471f393da8ee30f552ceacdc362afaAnders CarlssonFieldDecl *ASTContext::getInstantiatedFromUnnamedFieldDecl(FieldDecl *Field) { 324d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson llvm::DenseMap<FieldDecl *, FieldDecl *>::iterator Pos 325d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson = InstantiatedFromUnnamedFieldDecl.find(Field); 326d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson if (Pos == InstantiatedFromUnnamedFieldDecl.end()) 327d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return 0; 3281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 329d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return Pos->second; 330d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 331d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 332d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlssonvoid ASTContext::setInstantiatedFromUnnamedFieldDecl(FieldDecl *Inst, 333d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson FieldDecl *Tmpl) { 334d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Inst->getDeclName() && "Instantiated field decl is not unnamed"); 335d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Tmpl->getDeclName() && "Template field decl is not unnamed"); 336d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!InstantiatedFromUnnamedFieldDecl[Inst] && 337d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson "Already noted what unnamed field was instantiated from"); 3381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 339d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson InstantiatedFromUnnamedFieldDecl[Inst] = Tmpl; 340d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 341d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 3427d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 3437d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_begin(const CXXMethodDecl *Method) const { 3447d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 3457d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 3467d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 3477d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 3487d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3497d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.begin(); 3507d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 3517d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3527d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 3537d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_end(const CXXMethodDecl *Method) const { 3547d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 3557d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 3567d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 3577d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 3587d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3597d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.end(); 3607d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 3617d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3627d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregorvoid ASTContext::addOverriddenMethod(const CXXMethodDecl *Method, 3637d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor const CXXMethodDecl *Overridden) { 3647d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OverriddenMethods[Method].push_back(Overridden); 3657d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 3667d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3672e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregornamespace { 3681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump class BeforeInTranslationUnit 3692e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor : std::binary_function<SourceRange, SourceRange, bool> { 3702e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor SourceManager *SourceMgr; 3711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3722e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor public: 3732e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor explicit BeforeInTranslationUnit(SourceManager *SM) : SourceMgr(SM) { } 3741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3752e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor bool operator()(SourceRange X, SourceRange Y) { 3762e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return SourceMgr->isBeforeInTranslationUnit(X.getBegin(), Y.getBegin()); 3772e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor } 3782e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor }; 3792e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor} 3802e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 381464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 382464175bba1318bef7905122e9fda20cff926df78Chris Lattner// Type Sizing and Analysis 383464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 384a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 385b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 386b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// scalar floating point type. 387b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattnerconst llvm::fltSemantics &ASTContext::getFloatTypeSemantics(QualType T) const { 388183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const BuiltinType *BT = T->getAs<BuiltinType>(); 389b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner assert(BT && "Not a floating point type!"); 390b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner switch (BT->getKind()) { 391b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner default: assert(0 && "Not a floating point type!"); 392b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Float: return Target.getFloatFormat(); 393b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Double: return Target.getDoubleFormat(); 394b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::LongDouble: return Target.getLongDoubleFormat(); 395b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner } 396b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner} 397b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 3988b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck/// getDeclAlign - Return a conservative estimate of the alignment of the 399af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// specified decl. Note that bitfields do not have a valid alignment, so 400af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// this method will assert on them. 4015d484e8cf710207010720589d89602233de61d01Sebastian Redl/// If @p RefAsPointee, references are treated like their underlying type 4025d484e8cf710207010720589d89602233de61d01Sebastian Redl/// (for alignof), else they're treated like pointers (for CodeGen). 4038b752f10c394b140f9ef89e049cbad1a7676fc25Ken DyckCharUnits ASTContext::getDeclAlign(const Decl *D, bool RefAsPointee) { 404dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman unsigned Align = Target.getCharWidth(); 405dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 40640b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (const AlignedAttr* AA = D->getAttr<AlignedAttr>()) 407bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Align = std::max(Align, AA->getMaxAlignment()); 408dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 409af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner if (const ValueDecl *VD = dyn_cast<ValueDecl>(D)) { 410af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner QualType T = VD->getType(); 4116217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType* RT = T->getAs<ReferenceType>()) { 4125d484e8cf710207010720589d89602233de61d01Sebastian Redl if (RefAsPointee) 4135d484e8cf710207010720589d89602233de61d01Sebastian Redl T = RT->getPointeeType(); 4145d484e8cf710207010720589d89602233de61d01Sebastian Redl else 4155d484e8cf710207010720589d89602233de61d01Sebastian Redl T = getPointerType(RT->getPointeeType()); 4165d484e8cf710207010720589d89602233de61d01Sebastian Redl } 4175d484e8cf710207010720589d89602233de61d01Sebastian Redl if (!T->isIncompleteType() && !T->isFunctionType()) { 4184cc2cfd48d7c2d11141871cad590db7b52ce00a0Anders Carlsson // Incomplete or function types default to 1. 419dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman while (isa<VariableArrayType>(T) || isa<IncompleteArrayType>(T)) 420dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman T = cast<ArrayType>(T)->getElementType(); 421dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 422dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman Align = std::max(Align, getPreferredTypeAlign(T.getTypePtr())); 423dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman } 42405f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis if (const FieldDecl *FD = dyn_cast<FieldDecl>(VD)) { 42505f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis // In the case of a field in a packed struct, we want the minimum 42605f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis // of the alignment of the field and the alignment of the struct. 42705f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis Align = std::min(Align, 42805f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis getPreferredTypeAlign(FD->getParent()->getTypeForDecl())); 42905f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis } 430af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner } 431dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 4328b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck return CharUnits::fromQuantity(Align / Target.getCharWidth()); 433af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner} 434b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 435ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 436ea1471e0e967548c596a71469702f8846dbaf3c0John McCallASTContext::getTypeInfoInChars(const Type *T) { 437ea1471e0e967548c596a71469702f8846dbaf3c0John McCall std::pair<uint64_t, unsigned> Info = getTypeInfo(T); 438ea1471e0e967548c596a71469702f8846dbaf3c0John McCall return std::make_pair(CharUnits::fromQuantity(Info.first / getCharWidth()), 439ea1471e0e967548c596a71469702f8846dbaf3c0John McCall CharUnits::fromQuantity(Info.second / getCharWidth())); 440ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 441ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 442ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 443ea1471e0e967548c596a71469702f8846dbaf3c0John McCallASTContext::getTypeInfoInChars(QualType T) { 444ea1471e0e967548c596a71469702f8846dbaf3c0John McCall return getTypeInfoInChars(T.getTypePtr()); 445ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 446ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 447a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// getTypeSize - Return the size of the specified type, in bits. This method 448a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// does not work on incomplete types. 4490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 4500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// FIXME: Pointers into different addr spaces could have different sizes and 4510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// alignment requirements: getPointerInfo should take an AddrSpace, this 4520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// should take a QualType, &c. 453d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattnerstd::pair<uint64_t, unsigned> 4541d75118af76cae2bfc06389cde410e14bd0a19fcDaniel DunbarASTContext::getTypeInfo(const Type *T) { 4555e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump uint64_t Width=0; 4565e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump unsigned Align=8; 457a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (T->getTypeClass()) { 45872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 45972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 46018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor#define NON_CANONICAL_TYPE(Class, Base) 46172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 46272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 46318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor assert(false && "Should not see dependent types"); 46472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor break; 46572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 4665d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionNoProto: 4675d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionProto: 46818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(function) = 32 bits 46918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 47018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 32; 47118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 47218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 47372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 474fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::VariableArray: 47518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 47618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = getTypeAlign(cast<ArrayType>(T)->getElementType()); 47718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 47818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 479fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::ConstantArray: { 4801d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ConstantArrayType *CAT = cast<ConstantArrayType>(T); 4811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 48298be4943e8dc4f3905629a7102668960873cf863Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(CAT->getElementType()); 4839e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*CAT->getSize().getZExtValue(); 484030d8846c7e520330007087e949f621989876e3aChris Lattner Align = EltInfo.second; 485030d8846c7e520330007087e949f621989876e3aChris Lattner break; 4865c09a02a5db85e08a432b6eeced9aa656349710dChristopher Lamb } 487213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman case Type::ExtVector: 488030d8846c7e520330007087e949f621989876e3aChris Lattner case Type::Vector: { 4899fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner const VectorType *VT = cast<VectorType>(T); 4909fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(VT->getElementType()); 4919fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = EltInfo.first*VT->getNumElements(); 4924bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman Align = Width; 4936fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // If the alignment is not a power of 2, round up to the next power of 2. 4946fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // This happens for non-power-of-2 length vectors. 4958eefcd353c1d06a10104f69e5079ebab3183f9a3Dan Gohman if (Align & (Align-1)) { 4969fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Align = llvm::NextPowerOf2(Align); 4979fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = llvm::RoundUpToAlignment(Width, Align); 4989fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner } 499030d8846c7e520330007087e949f621989876e3aChris Lattner break; 500030d8846c7e520330007087e949f621989876e3aChris Lattner } 5015d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner 5029e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner case Type::Builtin: 503a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 504692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner default: assert(0 && "Unknown builtin type!"); 505d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner case BuiltinType::Void: 50618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(void) = 8 bits. 50718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 50818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 8; 50918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 51018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 5116f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Bool: 5129e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getBoolWidth(); 5139e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getBoolAlign(); 5146f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 515692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_S: 516692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_U: 517692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UChar: 5186f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::SChar: 5199e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getCharWidth(); 5209e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getCharAlign(); 5216f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 52264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis case BuiltinType::WChar: 52364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Width = Target.getWCharWidth(); 52464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Align = Target.getWCharAlign(); 52564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis break; 526f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char16: 527f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar16Width(); 528f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar16Align(); 529f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 530f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char32: 531f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar32Width(); 532f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar32Align(); 533f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 534692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UShort: 5356f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Short: 5369e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getShortWidth(); 5379e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getShortAlign(); 5386f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 539692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UInt: 5406f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Int: 5419e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getIntWidth(); 5429e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getIntAlign(); 5436f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 544692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULong: 5456f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Long: 5469e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongWidth(); 5479e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongAlign(); 5486f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 549692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULongLong: 5506f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongLong: 5519e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongLongWidth(); 5529e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongLongAlign(); 5536f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 554ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::Int128: 555ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::UInt128: 556ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Width = 128; 557ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Align = 128; // int128_t is 128-bit aligned on all targets. 558ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner break; 5596f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Float: 5609e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getFloatWidth(); 5619e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getFloatAlign(); 5626f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 5636f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Double: 5645426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getDoubleWidth(); 5655426bf6456a5aeac416a9150de157904d101c819Chris Lattner Align = Target.getDoubleAlign(); 5666f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 5676f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongDouble: 5689e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongDoubleWidth(); 5699e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongDoubleAlign(); 5706f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 5716e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl case BuiltinType::NullPtr: 5726e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Width = Target.getPointerWidth(0); // C++ 3.9.1p11: sizeof(nullptr_t) 5736e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Align = Target.getPointerAlign(0); // == sizeof(void*) 5741590d9c0fec4c710c2962e4bb71f76979b5163d3Sebastian Redl break; 575a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 576bfef6d7c67831a135d6ab79931f010f750a730adChris Lattner break; 577d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff case Type::ObjCObjectPointer: 5785426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(0); 579f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(0); 5806f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 581485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff case Type::BlockPointer: { 582485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff unsigned AS = cast<BlockPointerType>(T)->getPointeeType().getAddressSpace(); 583485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Width = Target.getPointerWidth(AS); 584485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Align = Target.getPointerAlign(AS); 585485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff break; 586485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff } 5875d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::LValueReference: 5885d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::RValueReference: { 5895d484e8cf710207010720589d89602233de61d01Sebastian Redl // alignof and sizeof should never enter this code path here, so we go 5905d484e8cf710207010720589d89602233de61d01Sebastian Redl // the pointer route. 5915d484e8cf710207010720589d89602233de61d01Sebastian Redl unsigned AS = cast<ReferenceType>(T)->getPointeeType().getAddressSpace(); 5925d484e8cf710207010720589d89602233de61d01Sebastian Redl Width = Target.getPointerWidth(AS); 5935d484e8cf710207010720589d89602233de61d01Sebastian Redl Align = Target.getPointerAlign(AS); 5945d484e8cf710207010720589d89602233de61d01Sebastian Redl break; 5955d484e8cf710207010720589d89602233de61d01Sebastian Redl } 596f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner case Type::Pointer: { 597f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner unsigned AS = cast<PointerType>(T)->getPointeeType().getAddressSpace(); 5985426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(AS); 599f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(AS); 600f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner break; 601f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner } 602f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl case Type::MemberPointer: { 603f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType Pointee = cast<MemberPointerType>(T)->getPointeeType(); 6041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> PtrDiffInfo = 6051cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson getTypeInfo(getPointerDiffType()); 6061cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson Width = PtrDiffInfo.first; 607f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (Pointee->isFunctionType()) 608f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Width *= 2; 6091cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson Align = PtrDiffInfo.second; 6101cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson break; 611f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 6125d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::Complex: { 6135d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // Complex types have the same alignment as their elements, but twice the 6145d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // size. 6151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> EltInfo = 61698be4943e8dc4f3905629a7102668960873cf863Chris Lattner getTypeInfo(cast<ComplexType>(T)->getElementType()); 6179e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*2; 6185d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner Align = EltInfo.second; 6195d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner break; 6205d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner } 621c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: 622c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getTypeInfo(cast<ObjCObjectType>(T)->getBaseType().getTypePtr()); 62344a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel case Type::ObjCInterface: { 6241d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ObjCInterfaceType *ObjCI = cast<ObjCInterfaceType>(T); 62544a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &Layout = getASTObjCInterfaceLayout(ObjCI->getDecl()); 62644a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel Width = Layout.getSize(); 62744a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel Align = Layout.getAlignment(); 62844a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel break; 62944a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel } 63072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 63172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: { 6321d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const TagType *TT = cast<TagType>(T); 6331d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar 6341d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (TT->getDecl()->isInvalidDecl()) { 6358389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner Width = 1; 6368389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner Align = 1; 6378389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner break; 6388389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner } 6391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6401d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (const EnumType *ET = dyn_cast<EnumType>(TT)) 6417176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner return getTypeInfo(ET->getDecl()->getIntegerType()); 6427176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner 6431d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const RecordType *RT = cast<RecordType>(TT); 6447176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner const ASTRecordLayout &Layout = getASTRecordLayout(RT->getDecl()); 6457176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner Width = Layout.getSize(); 6467176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner Align = Layout.getAlignment(); 647dc0d73e6495404418acf8548875aeaff07791a74Chris Lattner break; 648a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 6497532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 6509fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner case Type::SubstTemplateTypeParm: 65149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getTypeInfo(cast<SubstTemplateTypeParmType>(T)-> 65249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall getReplacementType().getTypePtr()); 65349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 65418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::Typedef: { 65518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor const TypedefDecl *Typedef = cast<TypedefType>(T)->getDecl(); 65640b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (const AlignedAttr *Aligned = Typedef->getAttr<AlignedAttr>()) { 657bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Align = std::max(Aligned->getMaxAlignment(), 658bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt getTypeAlign(Typedef->getUnderlyingType().getTypePtr())); 65918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = getTypeSize(Typedef->getUnderlyingType().getTypePtr()); 66018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor } else 66118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(Typedef->getUnderlyingType().getTypePtr()); 6627532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor break; 6637176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner } 66418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 66518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOfExpr: 66618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfExprType>(T)->getUnderlyingExpr()->getType() 66718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor .getTypePtr()); 66818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 66918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOf: 67018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfType>(T)->getUnderlyingType().getTypePtr()); 67118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 672395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson case Type::Decltype: 673395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return getTypeInfo(cast<DecltypeType>(T)->getUnderlyingExpr()->getType() 674395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson .getTypePtr()); 675395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 676465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara case Type::Elaborated: 677465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return getTypeInfo(cast<ElaboratedType>(T)->getNamedType().getTypePtr()); 6781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 67918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TemplateSpecialization: 6801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(getCanonicalType(T) != T && 68118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor "Cannot request the size of a dependent type"); 68218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // FIXME: this is likely to be wrong once we support template 68318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // aliases, since a template alias could refer to a typedef that 68418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // has an __aligned__ attribute on it. 68518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(getCanonicalType(T)); 68618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor } 6871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 688464175bba1318bef7905122e9fda20cff926df78Chris Lattner assert(Align && (Align & (Align-1)) == 0 && "Alignment must be power of 2"); 6899e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner return std::make_pair(Width, Align); 690a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner} 691a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 692bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// getTypeSizeInChars - Return the size of the specified type, in characters. 693bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// This method does not work on incomplete types. 694bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen DyckCharUnits ASTContext::getTypeSizeInChars(QualType T) { 695199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return CharUnits::fromQuantity(getTypeSize(T) / getCharWidth()); 696bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 697bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen DyckCharUnits ASTContext::getTypeSizeInChars(const Type *T) { 698199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return CharUnits::fromQuantity(getTypeSize(T) / getCharWidth()); 699bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 700bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck 70116e20cce43385001f33f8e3f90ee345609c805d1Ken Dyck/// getTypeAlignInChars - Return the ABI-specified alignment of a type, in 70286fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck/// characters. This method does not work on incomplete types. 70386fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken DyckCharUnits ASTContext::getTypeAlignInChars(QualType T) { 70486fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck return CharUnits::fromQuantity(getTypeAlign(T) / getCharWidth()); 70586fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 70686fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken DyckCharUnits ASTContext::getTypeAlignInChars(const Type *T) { 70786fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck return CharUnits::fromQuantity(getTypeAlign(T) / getCharWidth()); 70886fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 70986fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck 71034ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// getPreferredTypeAlign - Return the "preferred" alignment of the specified 71134ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// type for the current target in bits. This can be different than the ABI 71234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// alignment in cases where it is beneficial for performance to overalign 71334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// a data type. 71434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattnerunsigned ASTContext::getPreferredTypeAlign(const Type *T) { 71534ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned ABIAlign = getTypeAlign(T); 7161eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 7171eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman // Double and long long should be naturally aligned if possible. 718183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType* CT = T->getAs<ComplexType>()) 7191eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T = CT->getElementType().getTypePtr(); 7201eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::Double) || 7211eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T->isSpecificBuiltinType(BuiltinType::LongLong)) 7221eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman return std::max(ABIAlign, (unsigned)getTypeSize(T)); 7231eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 72434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner return ABIAlign; 72534ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner} 72634ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner 727a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbarstatic void CollectLocalObjCIvars(ASTContext *Ctx, 728a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar const ObjCInterfaceDecl *OI, 729a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar llvm::SmallVectorImpl<FieldDecl*> &Fields) { 730a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator I = OI->ivar_begin(), 731a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian E = OI->ivar_end(); I != E; ++I) { 732f1690858344968358131f8d5690d9ee458883000Chris Lattner ObjCIvarDecl *IVDecl = *I; 733a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian if (!IVDecl->isInvalidDecl()) 734a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian Fields.push_back(cast<FieldDecl>(IVDecl)); 735a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian } 736a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian} 737a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian 738a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbarvoid ASTContext::CollectObjCIvars(const ObjCInterfaceDecl *OI, 739a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar llvm::SmallVectorImpl<FieldDecl*> &Fields) { 740a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar if (const ObjCInterfaceDecl *SuperClass = OI->getSuperClass()) 741a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar CollectObjCIvars(SuperClass, Fields); 742a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar CollectLocalObjCIvars(this, OI, Fields); 743a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar} 744a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar 7458e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// ShallowCollectObjCIvars - 7468e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// Collect all ivars, including those synthesized, in the current class. 7478e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// 7488e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanianvoid ASTContext::ShallowCollectObjCIvars(const ObjCInterfaceDecl *OI, 74911062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) { 7508e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator I = OI->ivar_begin(), 7518e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian E = OI->ivar_end(); I != E; ++I) { 7528e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian Ivars.push_back(*I); 7538e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian } 75411062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian 75511062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian CollectNonClassIvars(OI, Ivars); 7568e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 7578e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 75811062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian/// CollectNonClassIvars - 75911062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian/// This routine collects all other ivars which are not declared in the class. 7607d2aa11c5c3b85a9d727ff868de666ba3bff5b59Ted Kremenek/// This includes synthesized ivars (via @synthesize) and those in 7617d2aa11c5c3b85a9d727ff868de666ba3bff5b59Ted Kremenek// class's @implementation. 7629820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian/// 76311062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanianvoid ASTContext::CollectNonClassIvars(const ObjCInterfaceDecl *OI, 7649820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) { 7650e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian // Find ivars declared in class extension. 7660e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian if (const ObjCCategoryDecl *CDecl = OI->getClassExtension()) { 7670e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian for (ObjCCategoryDecl::ivar_iterator I = CDecl->ivar_begin(), 7680e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian E = CDecl->ivar_end(); I != E; ++I) { 7690e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian Ivars.push_back(*I); 7700e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian } 7710e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian } 77211062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian 7737d2aa11c5c3b85a9d727ff868de666ba3bff5b59Ted Kremenek // Also add any ivar defined in this class's implementation. This 7747d2aa11c5c3b85a9d727ff868de666ba3bff5b59Ted Kremenek // includes synthesized ivars. 77511062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian if (ObjCImplementationDecl *ImplDecl = OI->getImplementation()) { 77611062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian for (ObjCImplementationDecl::ivar_iterator I = ImplDecl->ivar_begin(), 77711062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian E = ImplDecl->ivar_end(); I != E; ++I) 77811062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian Ivars.push_back(*I); 77911062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian } 7809820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian} 7819820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian 782e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// CollectInheritedProtocols - Collect all protocols in current class and 783e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// those inherited by it. 784e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid ASTContext::CollectInheritedProtocols(const Decl *CDecl, 785432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl*, 8> &Protocols) { 786e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (const ObjCInterfaceDecl *OI = dyn_cast<ObjCInterfaceDecl>(CDecl)) { 787e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCInterfaceDecl::protocol_iterator P = OI->protocol_begin(), 788e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OI->protocol_end(); P != PE; ++P) { 789e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 790432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 791e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 792b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) { 793b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian Protocols.insert(*P); 794e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 795e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 796b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian } 797e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 798e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian // Categories of this Interface. 799e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (const ObjCCategoryDecl *CDeclChain = OI->getCategoryList(); 800e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CDeclChain; CDeclChain = CDeclChain->getNextClassCategory()) 801e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(CDeclChain, Protocols); 802e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (ObjCInterfaceDecl *SD = OI->getSuperClass()) 803e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian while (SD) { 804e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(SD, Protocols); 805e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian SD = SD->getSuperClass(); 806e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 807b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCCategoryDecl *OC = dyn_cast<ObjCCategoryDecl>(CDecl)) { 808e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCInterfaceDecl::protocol_iterator P = OC->protocol_begin(), 809e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OC->protocol_end(); P != PE; ++P) { 810e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 811432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 812e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 813e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 814e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 815e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 816b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCProtocolDecl *OP = dyn_cast<ObjCProtocolDecl>(CDecl)) { 817e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = OP->protocol_begin(), 818e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OP->protocol_end(); P != PE; ++P) { 819e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 820432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 821e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 822e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 823e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 824e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 825e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 826e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 827e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 8283bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanianunsigned ASTContext::CountNonClassIvars(const ObjCInterfaceDecl *OI) { 8293bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian unsigned count = 0; 8303bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivars declared in class extension. 831b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer if (const ObjCCategoryDecl *CDecl = OI->getClassExtension()) 832b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += CDecl->ivar_size(); 833b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 8343bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivar defined in this class's implementation. This 8353bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // includes synthesized ivars. 8363bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian if (ObjCImplementationDecl *ImplDecl = OI->getImplementation()) 837b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += ImplDecl->ivar_size(); 838b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 8398e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian return count; 8408e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 8418e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 8428a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCInterfaceDecl,or NULL if none exists. 8438a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCImplementationDecl *ASTContext::getObjCImplementation(ObjCInterfaceDecl *D) { 8448a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 8458a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 8468a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 8478a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCImplementationDecl>(I->second); 8488a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 8498a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 8508a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCCategoryDecl, or NULL if none exists. 8518a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCCategoryImplDecl *ASTContext::getObjCImplementation(ObjCCategoryDecl *D) { 8528a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 8538a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 8548a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 8558a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCCategoryImplDecl>(I->second); 8568a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 8578a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 8588a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 8598a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCInterfaceDecl. 8608a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCInterfaceDecl *IFaceD, 8618a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImplementationDecl *ImplD) { 8628a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(IFaceD && ImplD && "Passed null params"); 8638a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[IFaceD] = ImplD; 8648a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 8658a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCCategoryDecl. 8668a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCCategoryDecl *CatD, 8678a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCCategoryImplDecl *ImplD) { 8688a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(CatD && ImplD && "Passed null params"); 8698a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[CatD] = ImplD; 8708a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 8718a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 872a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// \brief Allocate an uninitialized TypeSourceInfo. 873b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 874a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// The caller should initialize the memory held by TypeSourceInfo using 875b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// the TypeLoc wrappers. 876b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 877b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// \param T the type that will be the basis for type source info. This type 878b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// should refer to how the declarator was written in source code, not to 879b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// what type semantic analysis resolved the declarator to. 880a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::CreateTypeSourceInfo(QualType T, 881109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall unsigned DataSize) { 882109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall if (!DataSize) 883109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall DataSize = TypeLoc::getFullDataSizeForType(T); 884109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall else 885109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall assert(DataSize == TypeLoc::getFullDataSizeForType(T) && 886a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall "incorrect data size provided to CreateTypeSourceInfo!"); 887109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall 888a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *TInfo = 889a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall (TypeSourceInfo*)BumpAlloc.Allocate(sizeof(TypeSourceInfo) + DataSize, 8); 890a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall new (TInfo) TypeSourceInfo(T); 891a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall return TInfo; 892b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis} 893b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis 894a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::getTrivialTypeSourceInfo(QualType T, 895a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall SourceLocation L) { 896a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(T); 897a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall DI->getTypeLoc().initialize(L); 898a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall return DI; 899a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall} 900a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall 901b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar/// getInterfaceLayoutImpl - Get or compute information about the 902b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar/// layout of the given interface. 903b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar/// 904b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar/// \param Impl - If given, also include the layout of the interface's 905b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar/// implementation. This may differ by including synthesized ivars. 90644a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patelconst ASTRecordLayout & 907b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel DunbarASTContext::getObjCLayout(const ObjCInterfaceDecl *D, 908b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar const ObjCImplementationDecl *Impl) { 909532d4daa038d972240138e2fd6e1122517340833Daniel Dunbar assert(!D->isForwardDecl() && "Invalid interface decl!"); 910532d4daa038d972240138e2fd6e1122517340833Daniel Dunbar 91144a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel // Look up this layout, if already laid out, return what we have. 9121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ObjCContainerDecl *Key = 913d8fd6ff0ea47ba63f836d0f4e6a1bee49863f64aDaniel Dunbar Impl ? (ObjCContainerDecl*) Impl : (ObjCContainerDecl*) D; 914d8fd6ff0ea47ba63f836d0f4e6a1bee49863f64aDaniel Dunbar if (const ASTRecordLayout *Entry = ObjCLayouts[Key]) 915d8fd6ff0ea47ba63f836d0f4e6a1bee49863f64aDaniel Dunbar return *Entry; 91644a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel 917453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar // Add in synthesized ivar count if laying out an implementation. 918453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar if (Impl) { 9193bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian unsigned SynthCount = CountNonClassIvars(D); 920d8fd6ff0ea47ba63f836d0f4e6a1bee49863f64aDaniel Dunbar // If there aren't any sythesized ivars then reuse the interface 921453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar // entry. Note we can't cache this because we simply free all 922453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar // entries later; however we shouldn't look up implementations 923453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar // frequently. 9248e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian if (SynthCount == 0) 925453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar return getObjCLayout(D, 0); 926453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar } 927453addbaea98f9678e2f9858057722a028f1ae3cDaniel Dunbar 9281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ASTRecordLayout *NewEntry = 92929445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson ASTRecordLayoutBuilder::ComputeLayout(*this, D, Impl); 93029445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson ObjCLayouts[Key] = NewEntry; 9311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 93244a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel return *NewEntry; 93344a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel} 93444a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel 935b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 936b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel DunbarASTContext::getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D) { 937b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D, 0); 938b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 939b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 940b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 941b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel DunbarASTContext::getASTObjCImplementationLayout(const ObjCImplementationDecl *D) { 942b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D->getClassInterface(), D); 943b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 944b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 94588a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel/// getASTRecordLayout - Get or compute information about the layout of the 946464175bba1318bef7905122e9fda20cff926df78Chris Lattner/// specified record (struct/union/class), which indicates its size and field 947464175bba1318bef7905122e9fda20cff926df78Chris Lattner/// position information. 94898be4943e8dc4f3905629a7102668960873cf863Chris Lattnerconst ASTRecordLayout &ASTContext::getASTRecordLayout(const RecordDecl *D) { 949952b017601f9c82b51119c3a1600f1312a833db9Douglas Gregor D = D->getDefinition(); 9504b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek assert(D && "Cannot get layout of forward declarations!"); 9514bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman 952464175bba1318bef7905122e9fda20cff926df78Chris Lattner // Look up this layout, if already laid out, return what we have. 953ab22c43320ae813e4f6214f48968216b7cb09b90Eli Friedman // Note that we can't save a reference to the entry because this function 954ab22c43320ae813e4f6214f48968216b7cb09b90Eli Friedman // is recursive. 955ab22c43320ae813e4f6214f48968216b7cb09b90Eli Friedman const ASTRecordLayout *Entry = ASTRecordLayouts[D]; 956464175bba1318bef7905122e9fda20cff926df78Chris Lattner if (Entry) return *Entry; 9574bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman 9581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ASTRecordLayout *NewEntry = 95929445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson ASTRecordLayoutBuilder::ComputeLayout(*this, D); 960ab22c43320ae813e4f6214f48968216b7cb09b90Eli Friedman ASTRecordLayouts[D] = NewEntry; 9611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9628d8ab749f6f8bb63ea2cd2b589c0f050b67fc5ccDaniel Dunbar if (getLangOptions().DumpRecordLayouts) { 9638d8ab749f6f8bb63ea2cd2b589c0f050b67fc5ccDaniel Dunbar llvm::errs() << "\n*** Dumping AST Record Layout\n"; 9648d8ab749f6f8bb63ea2cd2b589c0f050b67fc5ccDaniel Dunbar DumpRecordLayout(D, llvm::errs()); 9658d8ab749f6f8bb63ea2cd2b589c0f050b67fc5ccDaniel Dunbar } 9668d8ab749f6f8bb63ea2cd2b589c0f050b67fc5ccDaniel Dunbar 9675d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner return *NewEntry; 968464175bba1318bef7905122e9fda20cff926df78Chris Lattner} 969464175bba1318bef7905122e9fda20cff926df78Chris Lattner 970f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlssonconst CXXMethodDecl *ASTContext::getKeyFunction(const CXXRecordDecl *RD) { 971952b017601f9c82b51119c3a1600f1312a833db9Douglas Gregor RD = cast<CXXRecordDecl>(RD->getDefinition()); 972f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson assert(RD && "Cannot get key function for forward declarations!"); 973f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson 974f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson const CXXMethodDecl *&Entry = KeyFunctions[RD]; 975f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson if (!Entry) 976f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson Entry = ASTRecordLayoutBuilder::ComputeKeyFunction(RD); 977f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson else 978f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson assert(Entry == ASTRecordLayoutBuilder::ComputeKeyFunction(RD) && 979f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson "Key function changed!"); 980f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson 981f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson return Entry; 982f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson} 983f53df2398e07d13be9962b95aebc19b31706fa33Anders Carlsson 984a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 985a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner// Type creation/memoization methods 986a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 987a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 9880953e767ff7817f97b3ab20896b229891eeff45bJohn McCallQualType ASTContext::getExtQualType(const Type *TypeNode, Qualifiers Quals) { 9890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned Fast = Quals.getFastQualifiers(); 9900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.removeFastQualifiers(); 9910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 9920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Check if we've already instantiated this type. 9930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::FoldingSetNodeID ID; 9940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ExtQuals::Profile(ID, TypeNode, Quals); 9950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void *InsertPos = 0; 9960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (ExtQuals *EQ = ExtQualNodes.FindNodeOrInsertPos(ID, InsertPos)) { 9970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(EQ->getQualifiers() == Quals); 9980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = QualType(EQ, Fast); 9990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 10000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 10010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 10026b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtQuals *New = new (*this, TypeAlignment) ExtQuals(*this, TypeNode, Quals); 10030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ExtQualNodes.InsertNode(New, InsertPos); 10040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = QualType(New, Fast); 10050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 10060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 10070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 10080953e767ff7817f97b3ab20896b229891eeff45bJohn McCallQualType ASTContext::getVolatileType(QualType T) { 10090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType CanT = getCanonicalType(T); 10100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (CanT.isVolatileQualified()) return T; 10110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 10120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 10130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 10140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addVolatile(); 10150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 10160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 10170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 10180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1019f11284ac87daa613bc7b30db9f54bd716d123222Fariborz JahanianQualType ASTContext::getAddrSpaceQualType(QualType T, unsigned AddressSpace) { 1020f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType CanT = getCanonicalType(T); 1021f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner if (CanT.getAddressSpace() == AddressSpace) 1022f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner return T; 1023b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner 10240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 10250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 10260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 10270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 10281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an address space specified, it cannot get 10300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 10310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasAddressSpace() && 10320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot be in multiple addr spaces!"); 10330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addAddressSpace(AddressSpace); 10341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1036ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 1037ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 1038b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris LattnerQualType ASTContext::getObjCGCQualType(QualType T, 10390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GCAttr) { 1040d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType CanT = getCanonicalType(T); 1041b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner if (CanT.getObjCGCAttr() == GCAttr) 1042d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian return T; 10431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10444027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian if (T->isPointerType()) { 10456217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType Pointee = T->getAs<PointerType>()->getPointeeType(); 104658f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff if (Pointee->isAnyPointerType()) { 10474027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian QualType ResultType = getObjCGCQualType(Pointee, GCAttr); 10484027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian return getPointerType(ResultType); 10494027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 10504027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 10511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 10530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 10540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 10550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 10561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an ObjCGC specified, it cannot get 10580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 10590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasObjCGCAttr() && 10600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot have multiple ObjCGCs!"); 10610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addObjCGCAttr(GCAttr); 10621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1064d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 1065a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 1066264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindolastatic QualType getExtFunctionType(ASTContext& Context, QualType T, 1067264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const FunctionType::ExtInfo &Info) { 10680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType ResultType; 106943c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (const PointerType *Pointer = T->getAs<PointerType>()) { 107043c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor QualType Pointee = Pointer->getPointeeType(); 1071264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ResultType = getExtFunctionType(Context, Pointee, Info); 107243c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (ResultType == Pointee) 107343c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1074ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1075ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor ResultType = Context.getPointerType(ResultType); 107643c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor } else if (const BlockPointerType *BlockPointer 107743c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor = T->getAs<BlockPointerType>()) { 107843c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor QualType Pointee = BlockPointer->getPointeeType(); 1079264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ResultType = getExtFunctionType(Context, Pointee, Info); 108043c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (ResultType == Pointee) 108143c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1082ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1083ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor ResultType = Context.getBlockPointerType(ResultType); 1084ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor } else if (const FunctionType *F = T->getAs<FunctionType>()) { 1085264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola if (F->getExtInfo() == Info) 108643c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1087ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 108843c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (const FunctionNoProtoType *FNPT = dyn_cast<FunctionNoProtoType>(F)) { 1089ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor ResultType = Context.getFunctionNoProtoType(FNPT->getResultType(), 1090264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info); 10910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } else { 109243c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor const FunctionProtoType *FPT = cast<FunctionProtoType>(F); 10930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ResultType 1094ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor = Context.getFunctionType(FPT->getResultType(), FPT->arg_type_begin(), 1095ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->getNumArgs(), FPT->isVariadic(), 1096ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->getTypeQuals(), 1097ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->hasExceptionSpec(), 1098ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->hasAnyExceptionSpec(), 1099ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->getNumExceptions(), 1100ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->exception_begin(), 1101264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info); 11020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 110343c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor } else 110443c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1105ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1106ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor return Context.getQualifiedType(ResultType, T.getLocalQualifiers()); 1107ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor} 1108ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1109ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas GregorQualType ASTContext::getNoReturnType(QualType T, bool AddNoReturn) { 1110425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo Info = getFunctionExtInfo(T); 1111264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getExtFunctionType(*this, T, 1112264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withNoReturn(AddNoReturn)); 1113ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor} 1114ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1115ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas GregorQualType ASTContext::getCallConvType(QualType T, CallingConv CallConv) { 1116425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo Info = getFunctionExtInfo(T); 1117264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getExtFunctionType(*this, T, 1118264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(CallConv)); 11192455636163fdd18581d7fdae816433f886d88213Mike Stump} 11202455636163fdd18581d7fdae816433f886d88213Mike Stump 1121425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael EspindolaQualType ASTContext::getRegParmType(QualType T, unsigned RegParm) { 1122425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo Info = getFunctionExtInfo(T); 1123425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola return getExtFunctionType(*this, T, 1124425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola Info.withRegParm(RegParm)); 1125425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola} 1126425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola 11275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getComplexType - Return the uniqued reference to the type for a complex 11285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// number with the specified element type. 11295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerQualType ASTContext::getComplexType(QualType T) { 11305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 11315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 11325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 11335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType::Profile(ID, T); 11341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 11365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ComplexType *CT = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos)) 11375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(CT, 0); 11381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 11405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 11415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1142467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1143f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getComplexType(getCanonicalType(T)); 11441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 11465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType *NewIP = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos); 1147f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 11485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11496b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ComplexType *New = new (*this, TypeAlignment) ComplexType(T, Canonical); 11505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 11515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexTypes.InsertNode(New, InsertPos); 11525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 11535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 11545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getPointerType - Return the uniqued reference to the type for a pointer to 11565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the specified type. 11575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerQualType ASTContext::getPointerType(QualType T) { 11585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 11595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 11605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 11615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType::Profile(ID, T); 11621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 11645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (PointerType *PT = PointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 11655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(PT, 0); 11661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 11685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 11695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1170467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1171f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getPointerType(getCanonicalType(T)); 11721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 11745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType *NewIP = PointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1175f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 11765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11776b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall PointerType *New = new (*this, TypeAlignment) PointerType(T, Canonical); 11785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 11795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerTypes.InsertNode(New, InsertPos); 11805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 11815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 11825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getBlockPointerType - Return the uniqued reference to the type for 11845618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// a pointer to the specified block. 11855618bd4a52c45fbbb605e3ba885663b2164db8a3Steve NaroffQualType ASTContext::getBlockPointerType(QualType T) { 1186296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff assert(T->isFunctionType() && "block of function types only"); 1187296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff // Unique pointers, to guarantee there is only one block of a particular 11885618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // structure. 11895618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSetNodeID ID; 11905618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType::Profile(ID, T); 11911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11925618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void *InsertPos = 0; 11935618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff if (BlockPointerType *PT = 11945618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 11955618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(PT, 0); 11961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the block pointee type isn't canonical, this won't be a canonical 11985618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // type either so fill in the canonical type field. 11995618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType Canonical; 1200467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 12015618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Canonical = getBlockPointerType(getCanonicalType(T)); 12021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12035618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the new insert position for the node we care about. 12045618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType *NewIP = 12055618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1206f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 12075618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 12086b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BlockPointerType *New 12096b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) BlockPointerType(T, Canonical); 12105618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Types.push_back(New); 12115618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.InsertNode(New, InsertPos); 12125618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(New, 0); 12135618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 12145618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 12157c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getLValueReferenceType - Return the uniqued reference to the type for an 12167c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// lvalue reference to the specified type. 121754e14c4db764c0636160d26c5bbf491637c83a76John McCallQualType ASTContext::getLValueReferenceType(QualType T, bool SpelledAsLValue) { 12185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 12195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 12205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 122154e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, SpelledAsLValue); 12225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 12247c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (LValueReferenceType *RT = 12257c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 12265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(RT, 0); 12277c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 122854e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 122954e14c4db764c0636160d26c5bbf491637c83a76John McCall 12305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the referencee type isn't canonical, this won't be a canonical type 12315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // either, so fill in the canonical type field. 12325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 123354e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!SpelledAsLValue || InnerRef || !T.isCanonical()) { 123454e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 123554e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getLValueReferenceType(getCanonicalType(PointeeType)); 12367c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12377c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Get the new insert position for the node we care about. 12387c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceType *NewIP = 12397c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 12407c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 12417c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 12427c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12436b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall LValueReferenceType *New 124454e14c4db764c0636160d26c5bbf491637c83a76John McCall = new (*this, TypeAlignment) LValueReferenceType(T, Canonical, 124554e14c4db764c0636160d26c5bbf491637c83a76John McCall SpelledAsLValue); 12467c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl Types.push_back(New); 12477c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.InsertNode(New, InsertPos); 124854e14c4db764c0636160d26c5bbf491637c83a76John McCall 12497c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(New, 0); 12507c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 12517c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12527c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getRValueReferenceType - Return the uniqued reference to the type for an 12537c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// rvalue reference to the specified type. 12547c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian RedlQualType ASTContext::getRValueReferenceType(QualType T) { 12557c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 12567c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // structure. 12577c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSetNodeID ID; 125854e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, false); 12597c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12607c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl void *InsertPos = 0; 12617c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (RValueReferenceType *RT = 12627c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 12637c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(RT, 0); 12647c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 126554e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 126654e14c4db764c0636160d26c5bbf491637c83a76John McCall 12677c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // If the referencee type isn't canonical, this won't be a canonical type 12687c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // either, so fill in the canonical type field. 12697c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType Canonical; 127054e14c4db764c0636160d26c5bbf491637c83a76John McCall if (InnerRef || !T.isCanonical()) { 127154e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 127254e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getRValueReferenceType(getCanonicalType(PointeeType)); 12737c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 12757c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType *NewIP = 12767c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1277f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 12785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12806b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall RValueReferenceType *New 12816b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) RValueReferenceType(T, Canonical); 12825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 12837c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.InsertNode(New, InsertPos); 12845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 12855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 12865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1287f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// getMemberPointerType - Return the uniqued reference to the type for a 1288f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// member pointer to the specified type, in the specified class. 12891eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getMemberPointerType(QualType T, const Type *Cls) { 1290f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 1291f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // structure. 1292f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl llvm::FoldingSetNodeID ID; 1293f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType::Profile(ID, T, Cls); 1294f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1295f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void *InsertPos = 0; 1296f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (MemberPointerType *PT = 1297f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 1298f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(PT, 0); 1299f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1300f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // If the pointee or class type isn't canonical, this won't be a canonical 1301f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // type either, so fill in the canonical type field. 1302f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType Canonical; 130387c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor if (!T.isCanonical() || !Cls->isCanonicalUnqualified()) { 1304f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Canonical = getMemberPointerType(getCanonicalType(T),getCanonicalType(Cls)); 1305f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1306f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Get the new insert position for the node we care about. 1307f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType *NewIP = 1308f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1309f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 1310f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 13116b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall MemberPointerType *New 13126b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) MemberPointerType(T, Cls, Canonical); 1313f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Types.push_back(New); 1314f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.InsertNode(New, InsertPos); 1315f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(New, 0); 1316f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 1317f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 13181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getConstantArrayType - Return the unique reference to the type for an 1319fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff/// array of the specified element type. 13201eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getConstantArrayType(QualType EltTy, 132138aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner const llvm::APInt &ArySizeIn, 1322c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 1323c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals) { 1324923d56d436f750bc1f29db50e641078725558a1bSebastian Redl assert((EltTy->isDependentType() || 1325923d56d436f750bc1f29db50e641078725558a1bSebastian Redl EltTy->isIncompleteType() || EltTy->isConstantSizeType()) && 1326587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman "Constant array of VLAs is illegal!"); 1327587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman 132838aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // Convert the array size into a canonical width matching the pointer size for 132938aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // the target. 133038aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner llvm::APInt ArySize(ArySizeIn); 133138aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner ArySize.zextOrTrunc(Target.getPointerWidth(EltTy.getAddressSpace())); 13321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 13340be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ConstantArrayType::Profile(ID, EltTy, ArySize, ASM, EltTypeQuals); 13351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 13371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ConstantArrayType *ATP = 13387192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 13395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(ATP, 0); 13401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 13425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 13435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1344467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!EltTy.isCanonical()) { 13451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Canonical = getConstantArrayType(getCanonicalType(EltTy), ArySize, 1346c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ASM, EltTypeQuals); 13475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 13481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstantArrayType *NewIP = 13497192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1350f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 13515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13536b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType *New = new(*this,TypeAlignment) 13546b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType(EltTy, Canonical, ArySize, ASM, EltTypeQuals); 13557192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.InsertNode(New, InsertPos); 13565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 13575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 13585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 13595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1360bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// getVariableArrayType - Returns a non-unique reference to the type for a 1361bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// variable array of the specified element type. 13627e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getVariableArrayType(QualType EltTy, 13637e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1364c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 13657e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 13667e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets) { 1367c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Since we don't unique expressions, it isn't possible to unique VLA's 1368c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // that have an expression provided for their size. 1369715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor QualType CanonType; 1370715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 1371715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor if (!EltTy.isCanonical()) { 1372715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor if (NumElts) 1373715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor NumElts->Retain(); 1374715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor CanonType = getVariableArrayType(getCanonicalType(EltTy), NumElts, ASM, 1375715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor EltTypeQuals, Brackets); 1376715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor } 1377715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 13786b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VariableArrayType *New = new(*this, TypeAlignment) 1379715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor VariableArrayType(EltTy, CanonType, NumElts, ASM, EltTypeQuals, Brackets); 1380c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1381c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman VariableArrayTypes.push_back(New); 1382c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1383c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1384c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman} 1385c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1386898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// getDependentSizedArrayType - Returns a non-unique reference to 1387898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// the type for a dependently-sized array of the specified element 138804d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor/// type. 13897e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getDependentSizedArrayType(QualType EltTy, 13907e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1391898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ArrayType::ArraySizeModifier ASM, 13927e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 13937e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets) { 1394cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor assert((!NumElts || NumElts->isTypeDependent() || 1395cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor NumElts->isValueDependent()) && 1396898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor "Size must be type- or value-dependent!"); 1397898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 139804d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor void *InsertPos = 0; 1399cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor DependentSizedArrayType *Canon = 0; 1400789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor llvm::FoldingSetNodeID ID; 1401cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 1402cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor if (NumElts) { 1403cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // Dependently-sized array types that do not have a specified 1404cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // number of elements will have their sizes deduced from an 1405cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // initializer. 1406cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor DependentSizedArrayType::Profile(ID, *this, getCanonicalType(EltTy), ASM, 1407cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor EltTypeQuals, NumElts); 1408cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 1409cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor Canon = DependentSizedArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1410cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor } 1411cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 141204d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor DependentSizedArrayType *New; 141304d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor if (Canon) { 141404d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor // We already have a canonical version of this array type; use it as 141504d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor // the canonical type for a newly-built type. 14166b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 14176b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedArrayType(*this, EltTy, QualType(Canon, 0), 14186b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumElts, ASM, EltTypeQuals, Brackets); 141904d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } else { 142004d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor QualType CanonEltTy = getCanonicalType(EltTy); 142104d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor if (CanonEltTy == EltTy) { 14226b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 14236b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedArrayType(*this, EltTy, QualType(), 14246b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumElts, ASM, EltTypeQuals, Brackets); 1425cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 1426789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (NumElts) { 1427789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentSizedArrayType *CanonCheck 1428789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentSizedArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1429789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CanonCheck && "Dependent-sized canonical array type broken"); 1430789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CanonCheck; 1431cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor DependentSizedArrayTypes.InsertNode(New, InsertPos); 1432789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 143304d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } else { 143404d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor QualType Canon = getDependentSizedArrayType(CanonEltTy, NumElts, 143504d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor ASM, EltTypeQuals, 143604d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor SourceRange()); 14376b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 14386b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedArrayType(*this, EltTy, Canon, 14396b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumElts, ASM, EltTypeQuals, Brackets); 144004d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } 144104d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } 14421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1443898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Types.push_back(New); 1444898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return QualType(New, 0); 1445898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor} 1446898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1447c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli FriedmanQualType ASTContext::getIncompleteArrayType(QualType EltTy, 1448c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 1449c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman unsigned EltTypeQuals) { 1450c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSetNodeID ID; 14510be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner IncompleteArrayType::Profile(ID, EltTy, ASM, EltTypeQuals); 1452c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1453c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman void *InsertPos = 0; 14541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (IncompleteArrayType *ATP = 1455c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 1456c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(ATP, 0); 1457c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1458c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // If the element type isn't canonical, this won't be a canonical type 1459c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // either, so fill in the canonical type field. 1460c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman QualType Canonical; 1461c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1462467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!EltTy.isCanonical()) { 1463f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getIncompleteArrayType(getCanonicalType(EltTy), 14642bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek ASM, EltTypeQuals); 1465c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1466c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Get the new insert position for the node we care about. 1467c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayType *NewIP = 1468c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1469f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 14702bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 1471c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 14726b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall IncompleteArrayType *New = new (*this, TypeAlignment) 14736b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall IncompleteArrayType(EltTy, Canonical, ASM, EltTypeQuals); 1474c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1475c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.InsertNode(New, InsertPos); 1476c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1477c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1478fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff} 1479fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 148073322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// getVectorType - Return the unique reference to a vector type of 148173322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 148282287d19ded35248c4ce6a425ce74116a13ce44eJohn ThompsonQualType ASTContext::getVectorType(QualType vecType, unsigned NumElts, 148382287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson bool IsAltiVec, bool IsPixel) { 14845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer BuiltinType *baseType; 14851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1486f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner baseType = dyn_cast<BuiltinType>(getCanonicalType(vecType).getTypePtr()); 148773322924127c873c13101b705dd823f5539ffa5fSteve Naroff assert(baseType != 0 && "getVectorType(): Expecting a built-in type"); 14881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Check if we've already instantiated a vector of this type. 14905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 149182287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VectorType::Profile(ID, vecType, NumElts, Type::Vector, 149282287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson IsAltiVec, IsPixel); 14935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 14945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 14955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(VTP, 0); 14965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 14985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 14995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 150082287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson if (!vecType.isCanonical() || IsAltiVec || IsPixel) { 150182287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson Canonical = getVectorType(getCanonicalType(vecType), 150282287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson NumElts, false, false); 15031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 15055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1506f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 15075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15086b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VectorType *New = new (*this, TypeAlignment) 150982287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VectorType(vecType, NumElts, Canonical, IsAltiVec, IsPixel); 15105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorTypes.InsertNode(New, InsertPos); 15115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 15125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 15135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 15145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1515213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// getExtVectorType - Return the unique reference to an extended vector type of 151673322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 1517213541a68a3e137d11d2cefb612c6cdb410d7e8eNate BegemanQualType ASTContext::getExtVectorType(QualType vecType, unsigned NumElts) { 151873322924127c873c13101b705dd823f5539ffa5fSteve Naroff BuiltinType *baseType; 15191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1520f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner baseType = dyn_cast<BuiltinType>(getCanonicalType(vecType).getTypePtr()); 1521213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman assert(baseType != 0 && "getExtVectorType(): Expecting a built-in type"); 15221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 152373322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Check if we've already instantiated a vector of this type. 152473322924127c873c13101b705dd823f5539ffa5fSteve Naroff llvm::FoldingSetNodeID ID; 152582287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VectorType::Profile(ID, vecType, NumElts, Type::ExtVector, false, false); 152673322924127c873c13101b705dd823f5539ffa5fSteve Naroff void *InsertPos = 0; 152773322924127c873c13101b705dd823f5539ffa5fSteve Naroff if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 152873322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(VTP, 0); 152973322924127c873c13101b705dd823f5539ffa5fSteve Naroff 153073322924127c873c13101b705dd823f5539ffa5fSteve Naroff // If the element type isn't canonical, this won't be a canonical type either, 153173322924127c873c13101b705dd823f5539ffa5fSteve Naroff // so fill in the canonical type field. 153273322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType Canonical; 1533467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!vecType.isCanonical()) { 1534213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman Canonical = getExtVectorType(getCanonicalType(vecType), NumElts); 15351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 153673322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Get the new insert position for the node we care about. 153773322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1538f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 153973322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 15406b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType *New = new (*this, TypeAlignment) 15416b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType(vecType, NumElts, Canonical); 154273322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorTypes.InsertNode(New, InsertPos); 154373322924127c873c13101b705dd823f5539ffa5fSteve Naroff Types.push_back(New); 154473322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(New, 0); 154573322924127c873c13101b705dd823f5539ffa5fSteve Naroff} 154673322924127c873c13101b705dd823f5539ffa5fSteve Naroff 15471eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getDependentSizedExtVectorType(QualType vecType, 15489cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Expr *SizeExpr, 15499cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation AttrLoc) { 15502ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor llvm::FoldingSetNodeID ID; 15511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedExtVectorType::Profile(ID, *this, getCanonicalType(vecType), 15522ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SizeExpr); 15531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15542ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void *InsertPos = 0; 15552ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *Canon 15562ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 15572ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *New; 15582ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (Canon) { 15592ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // We already have a canonical version of this array type; use it as 15602ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // the canonical type for a newly-built type. 15616b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 15626b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(Canon, 0), 15636b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall SizeExpr, AttrLoc); 15642ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 15652ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType CanonVecTy = getCanonicalType(vecType); 15662ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (CanonVecTy == vecType) { 15676b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 15686b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(), SizeExpr, 15696b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall AttrLoc); 1570789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1571789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentSizedExtVectorType *CanonCheck 1572789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1573789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CanonCheck && "Dependent-sized ext_vector canonical type broken"); 1574789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CanonCheck; 15752ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorTypes.InsertNode(New, InsertPos); 15762ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 15772ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType Canon = getDependentSizedExtVectorType(CanonVecTy, SizeExpr, 15782ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SourceLocation()); 15796b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 15806b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, Canon, SizeExpr, AttrLoc); 15812ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 15822ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 15831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15849cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Types.push_back(New); 15859cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor return QualType(New, 0); 15869cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor} 15879cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 158872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. 15895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 1590264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael EspindolaQualType ASTContext::getFunctionNoProtoType(QualType ResultTy, 1591264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const FunctionType::ExtInfo &Info) { 1592264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const CallingConv CallConv = Info.getCC(); 15935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 15945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 15955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1596264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionNoProtoType::Profile(ID, ResultTy, Info); 15971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 15991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionNoProtoType *FT = 160072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 16015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FT, 0); 16021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1604ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor if (!ResultTy.isCanonical() || 160504a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall getCanonicalCallConv(CallConv) != CallConv) { 1606264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Canonical = 1607264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola getFunctionNoProtoType(getCanonicalType(ResultTy), 1608264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(getCanonicalCallConv(CallConv))); 16091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 161172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoType *NewIP = 161272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1613f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 16145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 16151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16166b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall FunctionNoProtoType *New = new (*this, TypeAlignment) 1617264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionNoProtoType(ResultTy, Canonical, Info); 16185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 161972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.InsertNode(New, InsertPos); 16205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 16215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 16225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFunctionType - Return a normal function type with a typed argument 16245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// list. isVariadic indicates whether the argument list includes '...'. 162561710854be2b098428aff5316e64bd34b30fbcb7Chris LattnerQualType ASTContext::getFunctionType(QualType ResultTy,const QualType *ArgArray, 1626971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned NumArgs, bool isVariadic, 1627465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned TypeQuals, bool hasExceptionSpec, 1628465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasAnyExceptionSpec, unsigned NumExs, 1629264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const QualType *ExArray, 1630264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const FunctionType::ExtInfo &Info) { 1631264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const CallingConv CallConv= Info.getCC(); 16325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 16335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 16345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 163572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType::Profile(ID, ResultTy, ArgArray, NumArgs, isVariadic, 1636465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl TypeQuals, hasExceptionSpec, hasAnyExceptionSpec, 1637264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola NumExs, ExArray, Info); 16385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 16401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionProtoType *FTP = 164172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 16425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 1643465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1644465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // Determine whether the type being created is already canonical or not. 164554e14c4db764c0636160d26c5bbf491637c83a76John McCall bool isCanonical = !hasExceptionSpec && ResultTy.isCanonical(); 16465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs && isCanonical; ++i) 164754e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!ArgArray[i].isCanonicalAsParam()) 16485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isCanonical = false; 16495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If this type isn't canonical, get the canonical version of it. 1651465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // The exception spec is not part of the canonical type. 16525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 165304a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (!isCanonical || getCanonicalCallConv(CallConv) != CallConv) { 16545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::SmallVector<QualType, 16> CanonicalArgs; 16555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CanonicalArgs.reserve(NumArgs); 16565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs; ++i) 165754e14c4db764c0636160d26c5bbf491637c83a76John McCall CanonicalArgs.push_back(getCanonicalParamType(ArgArray[i])); 1658465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1659f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getFunctionType(getCanonicalType(ResultTy), 1660beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad CanonicalArgs.data(), NumArgs, 166147259d9ca7840dd66f06f5f11da7768b23d1e0fdDouglas Gregor isVariadic, TypeQuals, false, 1662264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, 0, 0, 1663264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(getCanonicalCallConv(CallConv))); 1664465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 16655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 166672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType *NewIP = 166772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1668f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 16695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1670465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 167172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor // FunctionProtoType objects are allocated with extra bytes after them 1672465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // for two variable size arrays (for parameter and exception types) at the 1673465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // end of them. 16741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FunctionProtoType *FTP = 1675465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl (FunctionProtoType*)Allocate(sizeof(FunctionProtoType) + 1676465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl NumArgs*sizeof(QualType) + 16776b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumExs*sizeof(QualType), TypeAlignment); 167872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor new (FTP) FunctionProtoType(ResultTy, ArgArray, NumArgs, isVariadic, 1679465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl TypeQuals, hasExceptionSpec, hasAnyExceptionSpec, 1680264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExArray, NumExs, Canonical, Info); 16815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(FTP); 168272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.InsertNode(FTP, InsertPos); 16835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 16845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 16855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16863cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#ifndef NDEBUG 16873cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallstatic bool NeedsInjectedClassNameType(const RecordDecl *D) { 16883cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (!isa<CXXRecordDecl>(D)) return false; 16893cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const CXXRecordDecl *RD = cast<CXXRecordDecl>(D); 16903cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (isa<ClassTemplatePartialSpecializationDecl>(RD)) 16913cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 16923cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (RD->getDescribedClassTemplate() && 16933cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall !isa<ClassTemplateSpecializationDecl>(RD)) 16943cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 16953cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return false; 16963cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 16973cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#endif 16983cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 16993cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// getInjectedClassNameType - Return the unique reference to the 17003cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// injected class name type for the specified templated declaration. 17013cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallQualType ASTContext::getInjectedClassNameType(CXXRecordDecl *Decl, 17023cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType TST) { 17033cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(NeedsInjectedClassNameType(Decl)); 17043cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (Decl->TypeForDecl) { 17053cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 17063cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } else if (CXXRecordDecl *PrevDecl 17073cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall = cast_or_null<CXXRecordDecl>(Decl->getPreviousDeclaration())) { 17083cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(PrevDecl->TypeForDecl && "previous declaration has no type"); 17093cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall Decl->TypeForDecl = PrevDecl->TypeForDecl; 17103cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 17113cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } else { 171231f17ecbef57b5679c017c375db330546b7b5145John McCall Decl->TypeForDecl = 171331f17ecbef57b5679c017c375db330546b7b5145John McCall new (*this, TypeAlignment) InjectedClassNameType(Decl, TST); 17143cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall Types.push_back(Decl->TypeForDecl); 17153cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 17163cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return QualType(Decl->TypeForDecl, 0); 17173cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 17183cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 17192ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// getTypeDeclType - Return the unique reference to the type for the 17202ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// specified type declaration. 1721becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCallQualType ASTContext::getTypeDeclTypeSlow(const TypeDecl *Decl) { 17221e6759e9e33dcaa73ce14c8a908ac9f87ac16463Argyrios Kyrtzidis assert(Decl && "Passed null for Decl param"); 1723becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Decl->TypeForDecl && "TypeForDecl present in slow case"); 17241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 172519c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const TypedefDecl *Typedef = dyn_cast<TypedefDecl>(Decl)) 17262ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor return getTypedefType(Typedef); 1727becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 1728becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!isa<TemplateTypeParmDecl>(Decl) && 1729becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "Template type parameter types are always available."); 1730becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 173119c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const RecordDecl *Record = dyn_cast<RecordDecl>(Decl)) { 1732becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Record->getPreviousDeclaration() && 1733becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "struct/union has previous declaration"); 1734becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!NeedsInjectedClassNameType(Record)); 1735becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall Decl->TypeForDecl = new (*this, TypeAlignment) RecordType(Record); 173619c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const EnumDecl *Enum = dyn_cast<EnumDecl>(Decl)) { 1737becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Enum->getPreviousDeclaration() && 1738becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "enum has previous declaration"); 1739becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall Decl->TypeForDecl = new (*this, TypeAlignment) EnumType(Enum); 174019c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const UnresolvedUsingTypenameDecl *Using = 1741ed97649e9574b9d854fa4d6109c9333ae0993554John McCall dyn_cast<UnresolvedUsingTypenameDecl>(Decl)) { 1742ed97649e9574b9d854fa4d6109c9333ae0993554John McCall Decl->TypeForDecl = new (*this, TypeAlignment) UnresolvedUsingType(Using); 17439fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else 1744becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall llvm_unreachable("TypeDecl without a type?"); 174549aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis 1746becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall Types.push_back(Decl->TypeForDecl); 174749aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 17482ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor} 17492ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 17505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTypedefType - Return the unique reference to the type for the 17515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified typename decl. 175219c8576b7328f4dc2d07682f5da552875c1912efJohn McCallQualType ASTContext::getTypedefType(const TypedefDecl *Decl) { 17535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 17541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1755f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType Canonical = getCanonicalType(Decl->getUnderlyingType()); 17566b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Decl->TypeForDecl = new(*this, TypeAlignment) 17576b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypedefType(Type::Typedef, Decl, Canonical); 17585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(Decl->TypeForDecl); 17595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(Decl->TypeForDecl, 0); 17605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 17615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 176249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Retrieve a substitution-result type. 176349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallQualType 176449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallASTContext::getSubstTemplateTypeParmType(const TemplateTypeParmType *Parm, 176549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType Replacement) { 1766467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(Replacement.isCanonical() 176749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall && "replacement types must always be canonical"); 176849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 176949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall llvm::FoldingSetNodeID ID; 177049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType::Profile(ID, Parm, Replacement); 177149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void *InsertPos = 0; 177249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType *SubstParm 177349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall = SubstTemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 177449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 177549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall if (!SubstParm) { 177649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstParm = new (*this, TypeAlignment) 177749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(Parm, Replacement); 177849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Types.push_back(SubstParm); 177949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); 178049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 178149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 178249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return QualType(SubstParm, 0); 178349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall} 178449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 1785fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor/// \brief Retrieve the template type parameter type for a template 17861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parameter or parameter pack with the given depth, index, and (optionally) 178776e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson/// name. 17881eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getTemplateTypeParmType(unsigned Depth, unsigned Index, 178976e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson bool ParameterPack, 1790fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor IdentifierInfo *Name) { 1791fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor llvm::FoldingSetNodeID ID; 179276e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson TemplateTypeParmType::Profile(ID, Depth, Index, ParameterPack, Name); 1793fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void *InsertPos = 0; 17941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType *TypeParm 1795fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 1796fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1797fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor if (TypeParm) 1798fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 17991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 180076e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson if (Name) { 180176e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson QualType Canon = getTemplateTypeParmType(Depth, Index, ParameterPack); 18026b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeParm = new (*this, TypeAlignment) 18036b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TemplateTypeParmType(Depth, Index, ParameterPack, Name, Canon); 1804789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1805789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor TemplateTypeParmType *TypeCheck 1806789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 1807789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!TypeCheck && "Template type parameter canonical type broken"); 1808789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)TypeCheck; 180976e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson } else 18106b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeParm = new (*this, TypeAlignment) 18116b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TemplateTypeParmType(Depth, Index, ParameterPack); 1812fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1813fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor Types.push_back(TypeParm); 1814fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor TemplateTypeParmTypes.InsertNode(TypeParm, InsertPos); 1815fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1816fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 1817fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor} 1818fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 18193cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallTypeSourceInfo * 18203cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallASTContext::getTemplateSpecializationTypeInfo(TemplateName Name, 18213cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall SourceLocation NameLoc, 18223cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const TemplateArgumentListInfo &Args, 18233cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType CanonType) { 18243cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType TST = getTemplateSpecializationType(Name, Args, CanonType); 18253cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 18263cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(TST); 18273cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TemplateSpecializationTypeLoc TL 18283cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall = cast<TemplateSpecializationTypeLoc>(DI->getTypeLoc()); 18293cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setTemplateNameLoc(NameLoc); 18303cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setLAngleLoc(Args.getLAngleLoc()); 18313cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setRAngleLoc(Args.getRAngleLoc()); 18323cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i) 18333cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setArgLocInfo(i, Args[i].getLocInfo()); 18343cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return DI; 18353cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 18363cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 18371eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 18387532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas GregorASTContext::getTemplateSpecializationType(TemplateName Template, 1839d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo &Args, 184031f17ecbef57b5679c017c375db330546b7b5145John McCall QualType Canon, 184131f17ecbef57b5679c017c375db330546b7b5145John McCall bool IsCurrentInstantiation) { 1842d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall unsigned NumArgs = Args.size(); 1843d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 1844833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall llvm::SmallVector<TemplateArgument, 4> ArgVec; 1845833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.reserve(NumArgs); 1846833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall for (unsigned i = 0; i != NumArgs; ++i) 1847833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.push_back(Args[i].getArgument()); 1848833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 184931f17ecbef57b5679c017c375db330546b7b5145John McCall return getTemplateSpecializationType(Template, ArgVec.data(), NumArgs, 185031f17ecbef57b5679c017c375db330546b7b5145John McCall Canon, IsCurrentInstantiation); 1851833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall} 1852833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 1853833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallQualType 1854833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallASTContext::getTemplateSpecializationType(TemplateName Template, 18557532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 18567532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, 185731f17ecbef57b5679c017c375db330546b7b5145John McCall QualType Canon, 185831f17ecbef57b5679c017c375db330546b7b5145John McCall bool IsCurrentInstantiation) { 1859b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor if (!Canon.isNull()) 1860b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor Canon = getCanonicalType(Canon); 1861b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor else { 186231f17ecbef57b5679c017c375db330546b7b5145John McCall assert(!IsCurrentInstantiation && 186331f17ecbef57b5679c017c375db330546b7b5145John McCall "current-instantiation specializations should always " 186431f17ecbef57b5679c017c375db330546b7b5145John McCall "have a canonical type"); 186531f17ecbef57b5679c017c375db330546b7b5145John McCall 1866b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor // Build the canonical template specialization type. 18671275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateName CanonTemplate = getCanonicalTemplateName(Template); 18681275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor llvm::SmallVector<TemplateArgument, 4> CanonArgs; 18691275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs.reserve(NumArgs); 18701275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor for (unsigned I = 0; I != NumArgs; ++I) 18711275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs.push_back(getCanonicalTemplateArgument(Args[I])); 18721275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 18731275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Determine whether this canonical template specialization type already 18741275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // exists. 18751275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor llvm::FoldingSetNodeID ID; 187631f17ecbef57b5679c017c375db330546b7b5145John McCall TemplateSpecializationType::Profile(ID, CanonTemplate, false, 1877828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor CanonArgs.data(), NumArgs, *this); 18781275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 18791275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor void *InsertPos = 0; 18801275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateSpecializationType *Spec 18811275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor = TemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 18821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18831275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor if (!Spec) { 18841275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Allocate a new canonical template specialization type. 18851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void *Mem = Allocate((sizeof(TemplateSpecializationType) + 18861275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor sizeof(TemplateArgument) * NumArgs), 18876b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment); 188831f17ecbef57b5679c017c375db330546b7b5145John McCall Spec = new (Mem) TemplateSpecializationType(*this, CanonTemplate, false, 18891275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs.data(), NumArgs, 1890b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor Canon); 18911275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor Types.push_back(Spec); 18921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateSpecializationTypes.InsertNode(Spec, InsertPos); 18931275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 18941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1895b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor if (Canon.isNull()) 1896b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor Canon = QualType(Spec, 0); 18971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(Canon->isDependentType() && 18981275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor "Non-dependent template-id type must have a canonical type"); 1899b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor } 1900fc705b84347e6fb4746a1a7e26949f64c2f2f358Douglas Gregor 19011275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Allocate the (non-canonical) template specialization type, but don't 19021275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // try to unique it: these types typically have location information that 19031275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // we don't unique and don't want to lose. 19041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void *Mem = Allocate((sizeof(TemplateSpecializationType) + 190540808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor sizeof(TemplateArgument) * NumArgs), 19066b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment); 19071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateSpecializationType *Spec 190831f17ecbef57b5679c017c375db330546b7b5145John McCall = new (Mem) TemplateSpecializationType(*this, Template, 190931f17ecbef57b5679c017c375db330546b7b5145John McCall IsCurrentInstantiation, 191031f17ecbef57b5679c017c375db330546b7b5145John McCall Args, NumArgs, 1911828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor Canon); 19121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 191355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor Types.push_back(Spec); 19141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(Spec, 0); 191555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor} 191655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 19171eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 1918465d41b92b2c862f3062c412a0538db65c6a2661Abramo BagnaraASTContext::getElaboratedType(ElaboratedTypeKeyword Keyword, 1919465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, 1920465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara QualType NamedType) { 1921e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor llvm::FoldingSetNodeID ID; 1922465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType::Profile(ID, Keyword, NNS, NamedType); 1923e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 1924e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void *InsertPos = 0; 1925465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *T = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 1926e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor if (T) 1927e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 1928e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 1929789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor QualType Canon = NamedType; 1930789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (!Canon.isCanonical()) { 1931789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor Canon = getCanonicalType(NamedType); 1932465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *CheckT = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 1933465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara assert(!CheckT && "Elaborated canonical type broken"); 1934789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckT; 1935789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 1936789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1937465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = new (*this) ElaboratedType(Keyword, NNS, NamedType, Canon); 1938e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor Types.push_back(T); 1939465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedTypes.InsertNode(T, InsertPos); 1940e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 1941e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor} 1942e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 19434a2023f5014e82389d5980d307b89c545dbbac81Douglas GregorQualType ASTContext::getDependentNameType(ElaboratedTypeKeyword Keyword, 19444a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 19454a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, 19464a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor QualType Canon) { 1947d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 1948d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1949d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (Canon.isNull()) { 1950d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 19514a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ElaboratedTypeKeyword CanonKeyword = Keyword; 19524a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (Keyword == ETK_None) 19534a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor CanonKeyword = ETK_Typename; 19544a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor 19554a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (CanonNNS != NNS || CanonKeyword != Keyword) 19564a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor Canon = getDependentNameType(CanonKeyword, CanonNNS, Name); 1957d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 1958d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1959d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor llvm::FoldingSetNodeID ID; 19604a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType::Profile(ID, Keyword, NNS, Name); 1961d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1962d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void *InsertPos = 0; 19634714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameType *T 19644714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor = DependentNameTypes.FindNodeOrInsertPos(ID, InsertPos); 1965d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (T) 1966d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return QualType(T, 0); 1967d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 19684a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor T = new (*this) DependentNameType(Keyword, NNS, Name, Canon); 1969d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor Types.push_back(T); 19704714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameTypes.InsertNode(T, InsertPos); 19711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 1972d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 1973d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 19741eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 19754a2023f5014e82389d5980d307b89c545dbbac81Douglas GregorASTContext::getDependentNameType(ElaboratedTypeKeyword Keyword, 19764a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 19774a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const TemplateSpecializationType *TemplateId, 19784a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor QualType Canon) { 19791734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 19801734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 1981789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor llvm::FoldingSetNodeID ID; 19824a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType::Profile(ID, Keyword, NNS, TemplateId); 1983789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1984789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor void *InsertPos = 0; 19854714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameType *T 19864714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor = DependentNameTypes.FindNodeOrInsertPos(ID, InsertPos); 1987789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (T) 1988789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor return QualType(T, 0); 1989789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 19901734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor if (Canon.isNull()) { 19911734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 19921734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor QualType CanonType = getCanonicalType(QualType(TemplateId, 0)); 19934a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ElaboratedTypeKeyword CanonKeyword = Keyword; 19944a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (Keyword == ETK_None) 19954a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor CanonKeyword = ETK_Typename; 19964a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (CanonNNS != NNS || CanonKeyword != Keyword || 19974a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor CanonType != QualType(TemplateId, 0)) { 19981734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor const TemplateSpecializationType *CanonTemplateId 1999183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall = CanonType->getAs<TemplateSpecializationType>(); 20001734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor assert(CanonTemplateId && 20011734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor "Canonical type must also be a template specialization type"); 20024a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor Canon = getDependentNameType(CanonKeyword, CanonNNS, CanonTemplateId); 20031734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor } 20041734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 20054714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameType *CheckT 20064714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor = DependentNameTypes.FindNodeOrInsertPos(ID, InsertPos); 2007789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckT && "Typename canonical type is broken"); (void)CheckT; 2008789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 20091734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 20104a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor T = new (*this) DependentNameType(Keyword, NNS, TemplateId, Canon); 20111734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Types.push_back(T); 20124714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameTypes.InsertNode(T, InsertPos); 20131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 20141734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor} 20151734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 201688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// CmpProtocolNames - Comparison predicate for sorting protocols 201788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// alphabetically. 201888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattnerstatic bool CmpProtocolNames(const ObjCProtocolDecl *LHS, 201988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner const ObjCProtocolDecl *RHS) { 20202e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return LHS->getDeclName() < RHS->getDeclName(); 202188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 202288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2023c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallstatic bool areSortedAndUniqued(ObjCProtocolDecl * const *Protocols, 202454e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned NumProtocols) { 202554e14c4db764c0636160d26c5bbf491637c83a76John McCall if (NumProtocols == 0) return true; 202654e14c4db764c0636160d26c5bbf491637c83a76John McCall 202754e14c4db764c0636160d26c5bbf491637c83a76John McCall for (unsigned i = 1; i != NumProtocols; ++i) 202854e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!CmpProtocolNames(Protocols[i-1], Protocols[i])) 202954e14c4db764c0636160d26c5bbf491637c83a76John McCall return false; 203054e14c4db764c0636160d26c5bbf491637c83a76John McCall return true; 203154e14c4db764c0636160d26c5bbf491637c83a76John McCall} 203254e14c4db764c0636160d26c5bbf491637c83a76John McCall 203354e14c4db764c0636160d26c5bbf491637c83a76John McCallstatic void SortAndUniqueProtocols(ObjCProtocolDecl **Protocols, 203488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner unsigned &NumProtocols) { 203588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ObjCProtocolDecl **ProtocolsEnd = Protocols+NumProtocols; 20361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 203788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Sort protocols, keyed by name. 203888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner std::sort(Protocols, Protocols+NumProtocols, CmpProtocolNames); 203988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 204088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Remove duplicates. 204188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ProtocolsEnd = std::unique(Protocols, ProtocolsEnd); 204288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner NumProtocols = ProtocolsEnd-Protocols; 204388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 204488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2045c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallQualType ASTContext::getObjCObjectType(QualType BaseType, 2046c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 2047c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols) { 2048c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If the base type is an interface and there aren't any protocols 2049c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // to add, then the interface type will do just fine. 2050c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!NumProtocols && isa<ObjCInterfaceType>(BaseType)) 2051c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return BaseType; 2052d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2053c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Look in the folding set for an existing type. 2054c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::FoldingSetNodeID ID; 2055c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl::Profile(ID, BaseType, Protocols, NumProtocols); 2056d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff void *InsertPos = 0; 2057c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectType *QT = ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos)) 2058c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(QT, 0); 2059d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2060c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Build the canonical type, which has the canonical base type and 2061c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // a sorted-and-uniqued list of protocols. 206254e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2063c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool ProtocolsSorted = areSortedAndUniqued(Protocols, NumProtocols); 2064c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted || !BaseType.isCanonical()) { 2065c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted) { 20660237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer llvm::SmallVector<ObjCProtocolDecl*, 8> Sorted(Protocols, 20670237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer Protocols + NumProtocols); 206854e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned UniqueCount = NumProtocols; 206954e14c4db764c0636160d26c5bbf491637c83a76John McCall 207054e14c4db764c0636160d26c5bbf491637c83a76John McCall SortAndUniqueProtocols(&Sorted[0], UniqueCount); 2071c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2072c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall &Sorted[0], UniqueCount); 207354e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 2074c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2075c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Protocols, NumProtocols); 207654e14c4db764c0636160d26c5bbf491637c83a76John McCall } 207754e14c4db764c0636160d26c5bbf491637c83a76John McCall 207854e14c4db764c0636160d26c5bbf491637c83a76John McCall // Regenerate InsertPos. 2079c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos); 208054e14c4db764c0636160d26c5bbf491637c83a76John McCall } 208154e14c4db764c0636160d26c5bbf491637c83a76John McCall 2082c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned Size = sizeof(ObjCObjectTypeImpl); 2083c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Size += NumProtocols * sizeof(ObjCProtocolDecl *); 2084fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor void *Mem = Allocate(Size, TypeAlignment); 2085c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl *T = 2086c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectTypeImpl(Canonical, BaseType, Protocols, NumProtocols); 20871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2088c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Types.push_back(T); 2089c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.InsertNode(T, InsertPos); 2090c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(T, 0); 2091d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 209288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2093c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// getObjCObjectPointerType - Return a ObjCObjectPointerType type for 2094c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// the given object type. 2095c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallQualType ASTContext::getObjCObjectPointerType(QualType ObjectT) { 20964b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian llvm::FoldingSetNodeID ID; 2097c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType::Profile(ID, ObjectT); 20981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20994b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian void *InsertPos = 0; 2100c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectPointerType *QT = 2101c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 21024b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian return QualType(QT, 0); 21031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2104c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Find the canonical object type. 210554e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2106c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ObjectT.isCanonical()) { 2107c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectPointerType(getCanonicalType(ObjectT)); 210854e14c4db764c0636160d26c5bbf491637c83a76John McCall 2109c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Regenerate InsertPos. 2110c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 211154e14c4db764c0636160d26c5bbf491637c83a76John McCall } 211254e14c4db764c0636160d26c5bbf491637c83a76John McCall 2113c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // No match. 2114c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void *Mem = Allocate(sizeof(ObjCObjectPointerType), TypeAlignment); 2115c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType *QType = 2116c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectPointerType(Canonical, ObjectT); 211724fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 211824fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis Types.push_back(QType); 2119c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.InsertNode(QType, InsertPos); 212024fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis return QualType(QType, 0); 212124fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis} 212224fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 2123c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// getObjCInterfaceType - Return the unique reference to the type for the 2124c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// specified ObjC interface decl. The list of protocols is optional. 2125c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallQualType ASTContext::getObjCInterfaceType(const ObjCInterfaceDecl *Decl) { 2126c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (Decl->TypeForDecl) 2127c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(Decl->TypeForDecl, 0); 2128c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 2129c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // FIXME: redeclarations? 2130c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void *Mem = Allocate(sizeof(ObjCInterfaceType), TypeAlignment); 2131c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceType *T = new (Mem) ObjCInterfaceType(Decl); 2132c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Decl->TypeForDecl = T; 2133c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Types.push_back(T); 2134c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(T, 0); 2135c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 2136c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 213772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getTypeOfExprType - Unlike many "get<Type>" functions, we can't unique 213872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType AST's (since expression's are never shared). For example, 21399752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// multiple declarations that refer to "typeof(x)" all contain different 21401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// DeclRefExpr's. This doesn't effect the type checker, since it operates 21419752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 214272564e73277e29f6db3305d1f27ba408abb7ed88Douglas GregorQualType ASTContext::getTypeOfExprType(Expr *tofExpr) { 2143dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType *toe; 2144b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (tofExpr->isTypeDependent()) { 2145b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor llvm::FoldingSetNodeID ID; 2146b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType::Profile(ID, *this, tofExpr); 21471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2148b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void *InsertPos = 0; 2149b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType *Canon 2150b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor = DependentTypeOfExprTypes.FindNodeOrInsertPos(ID, InsertPos); 2151b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (Canon) { 2152b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // We already have a "canonical" version of an identical, dependent 2153b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // typeof(expr) type. Use that as our canonical type. 21546b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, 2155b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor QualType((TypeOfExprType*)Canon, 0)); 2156b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2157b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor else { 2158b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // Build a new, canonical typeof(expr) type. 21596b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon 21606b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) DependentTypeOfExprType(*this, tofExpr); 2161b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprTypes.InsertNode(Canon, InsertPos); 2162b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor toe = Canon; 2163b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2164b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } else { 2165dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType Canonical = getCanonicalType(tofExpr->getType()); 21666b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, Canonical); 2167dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 21689752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(toe); 21699752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(toe, 0); 2170d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2171d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 21729752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// getTypeOfType - Unlike many "get<Type>" functions, we don't unique 21739752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// TypeOfType AST's. The only motivation to unique these nodes would be 21749752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// memory savings. Since typeof(t) is fairly uncommon, space shouldn't be 21751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 21769752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 2177d1861fd633d5096a00777c918eb8575ea7162fe7Steve NaroffQualType ASTContext::getTypeOfType(QualType tofType) { 2178f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType Canonical = getCanonicalType(tofType); 21796b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeOfType *tot = new (*this, TypeAlignment) TypeOfType(tofType, Canonical); 21809752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(tot); 21819752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(tot, 0); 2182d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2183d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 218460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// getDecltypeForExpr - Given an expr, will return the decltype for that 218560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// expression, according to the rules in C++0x [dcl.type.simple]p4 218660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlssonstatic QualType getDecltypeForExpr(const Expr *e, ASTContext &Context) { 2187a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson if (e->isTypeDependent()) 2188a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson return Context.DependentTy; 21891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 219060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is an id expression or a class member access, decltype(e) is defined 219160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // as the type of the entity named by e. 219260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(e)) { 219360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const ValueDecl *VD = dyn_cast<ValueDecl>(DRE->getDecl())) 219460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return VD->getType(); 219560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 219660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const MemberExpr *ME = dyn_cast<MemberExpr>(e)) { 219760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const FieldDecl *FD = dyn_cast<FieldDecl>(ME->getMemberDecl())) 219860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return FD->getType(); 219960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 220060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is a function call or an invocation of an overloaded operator, 220160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // (parentheses around e are ignored), decltype(e) is defined as the 220260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // return type of that function. 220360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const CallExpr *CE = dyn_cast<CallExpr>(e->IgnoreParens())) 220460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return CE->getCallReturnType(); 22051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 220660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson QualType T = e->getType(); 22071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Otherwise, where T is the type of e, if e is an lvalue, decltype(e) is 220960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // defined as T&, otherwise decltype(e) is defined as T. 221060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (e->isLvalue(Context) == Expr::LV_Valid) 221160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson T = Context.getLValueReferenceType(T); 22121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 221360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return T; 221460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson} 221560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson 2216395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// getDecltypeType - Unlike many "get<Type>" functions, we don't unique 2217395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType AST's. The only motivation to unique these nodes would be 2218395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// memory savings. Since decltype(t) is fairly uncommon, space shouldn't be 22191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 2220395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// on canonical type's (which are always unique). 2221395b475a4474f1c7574d927ad142ca0c7997cbcaAnders CarlssonQualType ASTContext::getDecltypeType(Expr *e) { 2222dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor DecltypeType *dt; 22239d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (e->isTypeDependent()) { 22249d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor llvm::FoldingSetNodeID ID; 22259d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType::Profile(ID, *this, e); 22261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22279d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void *InsertPos = 0; 22289d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType *Canon 22299d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor = DependentDecltypeTypes.FindNodeOrInsertPos(ID, InsertPos); 22309d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (Canon) { 22319d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // We already have a "canonical" version of an equivalent, dependent 22329d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // decltype type. Use that as our canonical type. 22336b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, DependentTy, 22349d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor QualType((DecltypeType*)Canon, 0)); 22359d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 22369d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor else { 22379d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // Build a new, canonical typeof(expr) type. 22386b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon = new (*this, TypeAlignment) DependentDecltypeType(*this, e); 22399d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeTypes.InsertNode(Canon, InsertPos); 22409d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor dt = Canon; 22419d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 22429d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } else { 2243dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType T = getDecltypeForExpr(e, *this); 22446b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, T, getCanonicalType(T)); 2245dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 2246395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Types.push_back(dt); 2247395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return QualType(dt, 0); 2248395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson} 2249395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 22505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTagDeclType - Return the unique reference to the type for the 22515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified TagDecl (struct/union/class/enum) decl. 2252e607ed068334bacb8d7b093996b4671c6ca79e25Mike StumpQualType ASTContext::getTagDeclType(const TagDecl *Decl) { 2253d778f88d32b96a74c9edb7342c81357606a7cdc0Ted Kremenek assert (Decl); 2254e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // FIXME: What is the design on getTagDeclType when it requires casting 2255e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // away const? mutable? 2256e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump return getTypeDeclType(const_cast<TagDecl*>(Decl)); 22575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 22585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 22591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getSizeType - Return the unique type for "size_t" (C99 7.17), the result 22601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// of the sizeof operator (C99 6.5.3.4p4). The value is target dependent and 22611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// needs to agree with the definition in <stddef.h>. 2262a3ccda58913cc1a4b8564e349448b12acc462da7Anders CarlssonCanQualType ASTContext::getSizeType() const { 2263b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getSizeType()); 22645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 22655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 226664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getSignedWCharType - Return the type of "signed wchar_t". 226764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 226864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getSignedWCharType() const { 226964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 227064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return WCharTy; 227164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 227264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 227364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getUnsignedWCharType - Return the type of "unsigned wchar_t". 227464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 227564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getUnsignedWCharType() const { 227664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 227764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return UnsignedIntTy; 227864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 227964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 22808b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 22818b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 22828b9023ba35a86838789e2c9034a6128728c547aaChris LattnerQualType ASTContext::getPointerDiffType() const { 2283b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getPtrDiffType(0)); 22848b9023ba35a86838789e2c9034a6128728c547aaChris Lattner} 22858b9023ba35a86838789e2c9034a6128728c547aaChris Lattner 2286e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2287e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner// Type Operators 2288e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2289e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 229054e14c4db764c0636160d26c5bbf491637c83a76John McCallCanQualType ASTContext::getCanonicalParamType(QualType T) { 229154e14c4db764c0636160d26c5bbf491637c83a76John McCall // Push qualifiers into arrays, and then discard any remaining 229254e14c4db764c0636160d26c5bbf491637c83a76John McCall // qualifiers. 229354e14c4db764c0636160d26c5bbf491637c83a76John McCall T = getCanonicalType(T); 229454e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *Ty = T.getTypePtr(); 229554e14c4db764c0636160d26c5bbf491637c83a76John McCall 229654e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Result; 229754e14c4db764c0636160d26c5bbf491637c83a76John McCall if (isa<ArrayType>(Ty)) { 229854e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getArrayDecayedType(QualType(Ty,0)); 229954e14c4db764c0636160d26c5bbf491637c83a76John McCall } else if (isa<FunctionType>(Ty)) { 230054e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getPointerType(QualType(Ty, 0)); 230154e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 230254e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = QualType(Ty, 0); 230354e14c4db764c0636160d26c5bbf491637c83a76John McCall } 230454e14c4db764c0636160d26c5bbf491637c83a76John McCall 230554e14c4db764c0636160d26c5bbf491637c83a76John McCall return CanQualType::CreateUnsafe(Result); 230654e14c4db764c0636160d26c5bbf491637c83a76John McCall} 230754e14c4db764c0636160d26c5bbf491637c83a76John McCall 230877c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// getCanonicalType - Return the canonical (structural) type corresponding to 230977c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// the specified potentially non-canonical type. The non-canonical version 231077c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// of a type may have many "decorated" versions of types. Decorators can 231177c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// include typedefs, 'typeof' operators, etc. The returned type is guaranteed 231277c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// to be free of any of these, allowing two canonical types to be compared 231377c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// for exact equality with a simple pointer comparison. 231450d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas GregorCanQualType ASTContext::getCanonicalType(QualType T) { 23150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 23160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *Ptr = Quals.strip(T); 23170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType CanType = Ptr->getCanonicalTypeInternal(); 23180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 23190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // The canonical internal type will be the canonical type *except* 23200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // that we push type qualifiers down through array types. 23211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If there are no new qualifiers to push down, stop here. 23230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!Quals.hasQualifiers()) 232450d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe(CanType); 2325c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 23260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the type qualifiers are on an array type, get the canonical 23270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // type of the array with the qualifiers applied to the element 23280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // type. 2329c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner ArrayType *AT = dyn_cast<ArrayType>(CanType); 2330c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (!AT) 23310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return CanQualType::CreateUnsafe(getQualifiedType(CanType, Quals)); 23321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2333c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the canonical version of the element with the extra qualifiers on it. 2334c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // This can recursively sink qualifiers through multiple levels of arrays. 23350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType NewEltTy = getQualifiedType(AT->getElementType(), Quals); 2336c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner NewEltTy = getCanonicalType(NewEltTy); 23371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2338c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) 233950d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe( 234050d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor getConstantArrayType(NewEltTy, CAT->getSize(), 234150d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor CAT->getSizeModifier(), 23420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CAT->getIndexTypeCVRQualifiers())); 2343c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(AT)) 234450d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe( 234550d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor getIncompleteArrayType(NewEltTy, IAT->getSizeModifier(), 23460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall IAT->getIndexTypeCVRQualifiers())); 23471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2348898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor if (DependentSizedArrayType *DSAT = dyn_cast<DependentSizedArrayType>(AT)) 234950d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe( 235050d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor getDependentSizedArrayType(NewEltTy, 2351bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr() ? 2352bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr()->Retain() : 0, 235350d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor DSAT->getSizeModifier(), 23540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall DSAT->getIndexTypeCVRQualifiers(), 235587a924e37dc40c6e3e2b33d1dbd646aeccf4c15bDouglas Gregor DSAT->getBracketsRange())->getCanonicalTypeInternal()); 2356898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 2357c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VariableArrayType *VAT = cast<VariableArrayType>(AT); 235850d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe(getVariableArrayType(NewEltTy, 2359bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman VAT->getSizeExpr() ? 2360bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman VAT->getSizeExpr()->Retain() : 0, 236150d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor VAT->getSizeModifier(), 23620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getIndexTypeCVRQualifiers(), 236350d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor VAT->getBracketsRange())); 2364c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 2365c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 236628e318cc6008c2bc008f0caee70dc736a03d6289Chandler CarruthQualType ASTContext::getUnqualifiedArrayType(QualType T, 236728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth Qualifiers &Quals) { 23685535c38a2fcface6c13bc8bbeca66882de2fa227Chandler Carruth Quals = T.getQualifiers(); 23699dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor const ArrayType *AT = getAsArrayType(T); 23709dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (!AT) { 23715535c38a2fcface6c13bc8bbeca66882de2fa227Chandler Carruth return T.getUnqualifiedType(); 237228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 237328e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 237428e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth QualType Elt = AT->getElementType(); 2375c1ae0a8b0022a9fbb50d3413139f36ec5d8a63beZhongxing Xu QualType UnqualElt = getUnqualifiedArrayType(Elt, Quals); 237628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth if (Elt == UnqualElt) 237728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return T; 237828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 23799dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) { 238028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return getConstantArrayType(UnqualElt, CAT->getSize(), 238128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth CAT->getSizeModifier(), 0); 238228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 238328e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 23849dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(AT)) { 238528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return getIncompleteArrayType(UnqualElt, IAT->getSizeModifier(), 0); 238628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 238728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 23889dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const VariableArrayType *VAT = dyn_cast<VariableArrayType>(AT)) { 23899dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor return getVariableArrayType(UnqualElt, 23909dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeExpr() ? 23919dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeExpr()->Retain() : 0, 23929dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeModifier(), 23939dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getIndexTypeCVRQualifiers(), 23949dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getBracketsRange()); 23959dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor } 23969dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor 23979dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor const DependentSizedArrayType *DSAT = cast<DependentSizedArrayType>(AT); 239828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return getDependentSizedArrayType(UnqualElt, DSAT->getSizeExpr()->Retain(), 239928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth DSAT->getSizeModifier(), 0, 240028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth SourceRange()); 240128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth} 240228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 240380ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCallDeclarationName ASTContext::getNameForTemplate(TemplateName Name) { 240480ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (TemplateDecl *TD = Name.getAsTemplateDecl()) 240580ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall return TD->getDeclName(); 240680ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 240780ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DependentTemplateName *DTN = Name.getAsDependentTemplateName()) { 240880ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DTN->isIdentifier()) { 240980ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall return DeclarationNames.getIdentifier(DTN->getIdentifier()); 241080ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } else { 241180ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall return DeclarationNames.getCXXOperatorName(DTN->getOperator()); 241280ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 241380ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 241480ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 24150bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *Storage = Name.getAsOverloadedTemplate(); 24160bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(Storage); 24170bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall return (*Storage->begin())->getDeclName(); 241880ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall} 241980ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 242025a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas GregorTemplateName ASTContext::getCanonicalTemplateName(TemplateName Name) { 242125a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor // If this template name refers to a template, the canonical 242225a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor // template name merely stores the template itself. 242325a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor if (TemplateDecl *Template = Name.getAsTemplateDecl()) 242497fbaa2a38804268a024f1a104b43fcf8b4411b0Argyrios Kyrtzidis return TemplateName(cast<TemplateDecl>(Template->getCanonicalDecl())); 242525a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 24260bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(!Name.getAsOverloadedTemplate()); 24271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 242825a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor DependentTemplateName *DTN = Name.getAsDependentTemplateName(); 242925a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor assert(DTN && "Non-dependent template names must refer to template decls."); 243025a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor return DTN->CanonicalTemplateName; 243125a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor} 243225a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 2433db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregorbool ASTContext::hasSameTemplateName(TemplateName X, TemplateName Y) { 2434db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor X = getCanonicalTemplateName(X); 2435db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor Y = getCanonicalTemplateName(Y); 2436db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor return X.getAsVoidPointer() == Y.getAsVoidPointer(); 2437db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor} 2438db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor 24391eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateArgument 24401275ae098acda31fe0e434510c729fcfed0458a1Douglas GregorASTContext::getCanonicalTemplateArgument(const TemplateArgument &Arg) { 24411275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor switch (Arg.getKind()) { 24421275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Null: 24431275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 24441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24451275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Expression: 24461275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 24471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24481275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Declaration: 2449833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(Arg.getAsDecl()->getCanonicalDecl()); 24501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2451788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor case TemplateArgument::Template: 2452788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor return TemplateArgument(getCanonicalTemplateName(Arg.getAsTemplate())); 2453788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor 24541275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Integral: 2455833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(*Arg.getAsIntegral(), 24561275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor getCanonicalType(Arg.getIntegralType())); 24571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24581275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Type: 2459833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(getCanonicalType(Arg.getAsType())); 24601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24611275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Pack: { 24621275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // FIXME: Allocate in ASTContext 24631275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateArgument *CanonArgs = new TemplateArgument[Arg.pack_size()]; 24641275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor unsigned Idx = 0; 24651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (TemplateArgument::pack_iterator A = Arg.pack_begin(), 24661275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor AEnd = Arg.pack_end(); 24671275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor A != AEnd; (void)++A, ++Idx) 24681275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs[Idx] = getCanonicalTemplateArgument(*A); 24691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24701275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateArgument Result; 24711275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor Result.setArgumentPack(CanonArgs, Arg.pack_size(), false); 24721275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Result; 24731275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 24741275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 24751275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 24761275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Silence GCC warning 24771275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor assert(false && "Unhandled template argument kind"); 24781275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return TemplateArgument(); 24791275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor} 24801275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 2481d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorNestedNameSpecifier * 2482d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorASTContext::getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS) { 24831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!NNS) 2484d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 2485d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2486d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor switch (NNS->getKind()) { 2487d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Identifier: 2488d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Canonicalize the prefix but keep the identifier the same. 24891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return NestedNameSpecifier::Create(*this, 2490d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor getCanonicalNestedNameSpecifier(NNS->getPrefix()), 2491d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NNS->getAsIdentifier()); 2492d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2493d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Namespace: 2494d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 2495d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // this namespace and no prefix. 2496d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NestedNameSpecifier::Create(*this, 0, NNS->getAsNamespace()); 2497d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2498d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpec: 2499d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpecWithTemplate: { 2500d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType T = getCanonicalType(QualType(NNS->getAsType(), 0)); 25011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return NestedNameSpecifier::Create(*this, 0, 25021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NNS->getKind() == NestedNameSpecifier::TypeSpecWithTemplate, 2503d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor T.getTypePtr()); 2504d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2505d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2506d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Global: 2507d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // The global specifier is canonical and unique. 2508d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NNS; 2509d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2510d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2511d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Required to silence a GCC warning 2512d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 2513d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 2514d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2515c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 2516c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerconst ArrayType *ASTContext::getAsArrayType(QualType T) { 2517c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the non-qualified case efficiently. 2518a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (!T.hasLocalQualifiers()) { 2519c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the common positive case fast. 2520c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ArrayType *AT = dyn_cast<ArrayType>(T)) 2521c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return AT; 2522c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 25231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Handle the common negative case fast. 2525c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType CType = T->getCanonicalTypeInternal(); 25260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!isa<ArrayType>(CType)) 2527c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return 0; 25281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Apply any qualifiers from the array type to the element type. This 2530c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // implements C99 6.7.3p8: "If the specification of an array type includes 2531c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // any type qualifiers, the element type is so qualified, not the array type." 25321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2533c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we get here, we either have type qualifiers on the type, or we have 2534c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // sugar such as a typedef in the way. If we have type qualifiers on the type 253550d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor // we must propagate them down into the element type. 25360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 25370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qs; 25380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *Ty = Qs.strip(T.getDesugaredType()); 25391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2540c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we have a simple case, just return now. 2541c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *ATy = dyn_cast<ArrayType>(Ty); 25420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (ATy == 0 || Qs.empty()) 2543c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return ATy; 25441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2545c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Otherwise, we have an array and we have qualifiers on it. Push the 2546c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // qualifiers into the array element type and return a new array type. 2547c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the canonical version of the element with the extra qualifiers on it. 2548c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // This can recursively sink qualifiers through multiple levels of arrays. 25490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType NewEltTy = getQualifiedType(ATy->getElementType(), Qs); 25501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2551c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(ATy)) 2552c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getConstantArrayType(NewEltTy, CAT->getSize(), 2553c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner CAT->getSizeModifier(), 25540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CAT->getIndexTypeCVRQualifiers())); 2555c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(ATy)) 2556c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getIncompleteArrayType(NewEltTy, 2557c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner IAT->getSizeModifier(), 25580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall IAT->getIndexTypeCVRQualifiers())); 2559898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 25601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const DependentSizedArrayType *DSAT 2561898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor = dyn_cast<DependentSizedArrayType>(ATy)) 2562898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return cast<ArrayType>( 25631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getDependentSizedArrayType(NewEltTy, 2564bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr() ? 2565bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr()->Retain() : 0, 2566898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor DSAT->getSizeModifier(), 25670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall DSAT->getIndexTypeCVRQualifiers(), 25687e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor DSAT->getBracketsRange())); 25691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2570c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *VAT = cast<VariableArrayType>(ATy); 25717e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return cast<ArrayType>(getVariableArrayType(NewEltTy, 2572bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman VAT->getSizeExpr() ? 25730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getSizeExpr()->Retain() : 0, 2574c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VAT->getSizeModifier(), 25750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getIndexTypeCVRQualifiers(), 25767e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor VAT->getBracketsRange())); 257777c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner} 257877c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 257977c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 2580e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// getArrayDecayedType - Return the properly qualified result of decaying the 2581e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// specified array type to a pointer. This operation is non-trivial when 2582e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// handling typedefs etc. The canonical type of "T" must be an array type, 2583e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// this returns a pointer to a properly qualified element of the array. 2584e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// 2585e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 2586e6327747b72bb687c948270f702ff53c30f411a6Chris LattnerQualType ASTContext::getArrayDecayedType(QualType Ty) { 2587c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the element type with 'getAsArrayType' so that we don't lose any 2588c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // typedefs in the element type of the array. This also handles propagation 2589c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // of type qualifiers from the array type into the element type if present 2590c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // (C99 6.7.3p8). 2591c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *PrettyArrayType = getAsArrayType(Ty); 2592c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner assert(PrettyArrayType && "Not an array type!"); 25931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2594c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType PtrTy = getPointerType(PrettyArrayType->getElementType()); 2595e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 2596e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner // int x[restrict 4] -> int *restrict 25970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getQualifiedType(PtrTy, PrettyArrayType->getIndexTypeQualifiers()); 2598e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner} 2599e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 26005e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas GregorQualType ASTContext::getBaseElementType(QualType QT) { 26010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qs; 26020237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer while (const ArrayType *AT = getAsArrayType(QualType(Qs.strip(QT), 0))) 26030237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer QT = AT->getElementType(); 26040237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer return Qs.apply(QT); 26055e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor} 26065e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor 2607fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders CarlssonQualType ASTContext::getBaseElementType(const ArrayType *AT) { 2608fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson QualType ElemTy = AT->getElementType(); 26091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2610fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson if (const ArrayType *AT = getAsArrayType(ElemTy)) 2611fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson return getBaseElementType(AT); 26121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26136183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson return ElemTy; 26146183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson} 26156183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 26160de78998e7bda473b408437053e48661b510d453Fariborz Jahanian/// getConstantArrayElementCount - Returns number of constant array elements. 26171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpuint64_t 26180de78998e7bda473b408437053e48661b510d453Fariborz JahanianASTContext::getConstantArrayElementCount(const ConstantArrayType *CA) const { 26190de78998e7bda473b408437053e48661b510d453Fariborz Jahanian uint64_t ElementCount = 1; 26200de78998e7bda473b408437053e48661b510d453Fariborz Jahanian do { 26210de78998e7bda473b408437053e48661b510d453Fariborz Jahanian ElementCount *= CA->getSize().getZExtValue(); 26220de78998e7bda473b408437053e48661b510d453Fariborz Jahanian CA = dyn_cast<ConstantArrayType>(CA->getElementType()); 26230de78998e7bda473b408437053e48661b510d453Fariborz Jahanian } while (CA); 26240de78998e7bda473b408437053e48661b510d453Fariborz Jahanian return ElementCount; 26250de78998e7bda473b408437053e48661b510d453Fariborz Jahanian} 26260de78998e7bda473b408437053e48661b510d453Fariborz Jahanian 26275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFloatingRank - Return a relative rank for floating point types. 26285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// This routine will assert if passed a built-in type that isn't a float. 2629a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerstatic FloatingRank getFloatingRank(QualType T) { 2630183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) 26315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getFloatingRank(CT->getElementType()); 2632a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 2633183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall assert(T->getAs<BuiltinType>() && "getFloatingRank(): not a floating type"); 2634183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall switch (T->getAs<BuiltinType>()->getKind()) { 2635a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner default: assert(0 && "getFloatingRank(): not a floating type"); 26365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Float: return FloatRank; 26375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Double: return DoubleRank; 26385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::LongDouble: return LongDoubleRank; 26395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 26405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 26415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 26421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getFloatingTypeOfSizeWithinDomain - Returns a real floating 26431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// point or a complex type (based on typeDomain/typeSize). 2644716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeDomain' is a real floating point or complex type. 2645716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeSize' is a real floating point or complex type. 26461361b11066239ea15764a2a844405352d87296b3Chris LattnerQualType ASTContext::getFloatingTypeOfSizeWithinDomain(QualType Size, 26471361b11066239ea15764a2a844405352d87296b3Chris Lattner QualType Domain) const { 26481361b11066239ea15764a2a844405352d87296b3Chris Lattner FloatingRank EltRank = getFloatingRank(Size); 26491361b11066239ea15764a2a844405352d87296b3Chris Lattner if (Domain->isComplexType()) { 26501361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 2651716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff default: assert(0 && "getFloatingRank(): illegal value for rank"); 2652f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case FloatRank: return FloatComplexTy; 2653f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case DoubleRank: return DoubleComplexTy; 2654f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case LongDoubleRank: return LongDoubleComplexTy; 2655f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 2656f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 26571361b11066239ea15764a2a844405352d87296b3Chris Lattner 26581361b11066239ea15764a2a844405352d87296b3Chris Lattner assert(Domain->isRealFloatingType() && "Unknown domain!"); 26591361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 26601361b11066239ea15764a2a844405352d87296b3Chris Lattner default: assert(0 && "getFloatingRank(): illegal value for rank"); 26611361b11066239ea15764a2a844405352d87296b3Chris Lattner case FloatRank: return FloatTy; 26621361b11066239ea15764a2a844405352d87296b3Chris Lattner case DoubleRank: return DoubleTy; 26631361b11066239ea15764a2a844405352d87296b3Chris Lattner case LongDoubleRank: return LongDoubleTy; 26645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 26655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 26665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 26677cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// getFloatingTypeOrder - Compare the rank of the two specified floating 26687cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// point types, ignoring the domain of the type (i.e. 'double' == 26697cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 26701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 2671a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerint ASTContext::getFloatingTypeOrder(QualType LHS, QualType RHS) { 2672a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank LHSR = getFloatingRank(LHS); 2673a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank RHSR = getFloatingRank(RHS); 26741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2675a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR == RHSR) 2676fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 0; 2677a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR > RHSR) 2678fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 1; 2679fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return -1; 26805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 26815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2682f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// getIntegerRank - Return an integer conversion rank (C99 6.3.1.1p1). This 2683f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// routine will assert if passed a built-in type that isn't an integer or enum, 2684f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// or if it is not canonicalized. 2685f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedmanunsigned ASTContext::getIntegerRank(Type *T) { 2686467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(T->isCanonicalUnqualified() && "T should be canonicalized"); 2687f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman if (EnumType* ET = dyn_cast<EnumType>(T)) 2688842aef8d942a880eeb9535d40de31a86838264cbJohn McCall T = ET->getDecl()->getPromotionType().getTypePtr(); 2689f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 2690a34267595534a72703290153a6f7e3da1adcec59Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::WChar)) 2691a34267595534a72703290153a6f7e3da1adcec59Eli Friedman T = getFromTargetType(Target.getWCharType()).getTypePtr(); 2692a34267595534a72703290153a6f7e3da1adcec59Eli Friedman 2693f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char16)) 2694f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar16Type()).getTypePtr(); 2695f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 2696f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char32)) 2697f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar32Type()).getTypePtr(); 2698f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 2699f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 27007cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner default: assert(0 && "getIntegerRank(): not a built-in integer"); 27017cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Bool: 2702f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 1 + (getIntWidth(BoolTy) << 3); 27037cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_S: 27047cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_U: 27057cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::SChar: 27067cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UChar: 2707f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 2 + (getIntWidth(CharTy) << 3); 27087cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Short: 27097cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UShort: 2710f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 3 + (getIntWidth(ShortTy) << 3); 27117cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Int: 27127cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UInt: 2713f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 4 + (getIntWidth(IntTy) << 3); 27147cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Long: 27157cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULong: 2716f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 5 + (getIntWidth(LongTy) << 3); 27177cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::LongLong: 27187cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULongLong: 2719f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 6 + (getIntWidth(LongLongTy) << 3); 27202df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 27212df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::UInt128: 27222df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return 7 + (getIntWidth(Int128Ty) << 3); 2723f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner } 2724f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner} 2725f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner 272604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \brief Whether this is a promotable bitfield reference according 272704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// to C99 6.3.1.1p2, bullet 2 (and GCC extensions). 272804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// 272904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \returns the type this bit-field will promote to, or NULL if no 273004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// promotion occurs. 273104e8357f6801e9ff52673e7e899a67bbabf9de93Eli FriedmanQualType ASTContext::isPromotableBitField(Expr *E) { 2732ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor if (E->isTypeDependent() || E->isValueDependent()) 2733ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor return QualType(); 2734ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor 273504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman FieldDecl *Field = E->getBitField(); 273604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (!Field) 273704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 273804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 273904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman QualType FT = Field->getType(); 274004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 274104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman llvm::APSInt BitWidthAP = Field->getBitWidth()->EvaluateAsInt(*this); 274204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t BitWidth = BitWidthAP.getZExtValue(); 274304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 274404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // GCC extension compatibility: if the bit-field size is less than or equal 274504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // to the size of int, it gets promoted no matter what its type is. 274604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // For instance, unsigned long bf : 4 gets promoted to signed int. 274704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth < IntSize) 274804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return IntTy; 274904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 275004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth == IntSize) 275104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return FT->isSignedIntegerType() ? IntTy : UnsignedIntTy; 275204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 275304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // Types bigger than int are not subject to promotions, and therefore act 275404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // like the base type. 275504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // FIXME: This doesn't quite match what gcc does, but what gcc does here 275604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // is ridiculous. 275704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 275804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman} 275904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 2760a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// getPromotedIntegerType - Returns the type that Promotable will 2761a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// promote to: C99 6.3.1.1p2, assuming that Promotable is a promotable 2762a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// integer type. 2763a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli FriedmanQualType ASTContext::getPromotedIntegerType(QualType Promotable) { 2764a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(!Promotable.isNull()); 2765a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isPromotableIntegerType()); 2766842aef8d942a880eeb9535d40de31a86838264cbJohn McCall if (const EnumType *ET = Promotable->getAs<EnumType>()) 2767842aef8d942a880eeb9535d40de31a86838264cbJohn McCall return ET->getDecl()->getPromotionType(); 2768a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (Promotable->isSignedIntegerType()) 2769a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return IntTy; 2770a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t PromotableSize = getTypeSize(Promotable); 2771a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 2772a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isUnsignedIntegerType() && PromotableSize <= IntSize); 2773a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return (PromotableSize != IntSize) ? IntTy : UnsignedIntTy; 2774a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman} 2775a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 27761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getIntegerTypeOrder - Returns the highest ranked integer type: 27777cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 27781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 27797cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattnerint ASTContext::getIntegerTypeOrder(QualType LHS, QualType RHS) { 2780f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Type *LHSC = getCanonicalType(LHS).getTypePtr(); 2781f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Type *RHSC = getCanonicalType(RHS).getTypePtr(); 27827cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSC == RHSC) return 0; 27831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2784f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool LHSUnsigned = LHSC->isUnsignedIntegerType(); 2785f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool RHSUnsigned = RHSC->isUnsignedIntegerType(); 27861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27877cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned LHSRank = getIntegerRank(LHSC); 27887cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned RHSRank = getIntegerRank(RHSC); 27891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27907cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned == RHSUnsigned) { // Both signed or both unsigned. 27917cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank == RHSRank) return 0; 27927cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return LHSRank > RHSRank ? 1 : -1; 27937cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 27941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27957cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // Otherwise, the LHS is signed and the RHS is unsigned or visa versa. 27967cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned) { 27977cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [LHS] type is larger, return it. 27987cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank >= RHSRank) 27997cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 28001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28017cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 28027cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 28031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 28047cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 28057cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 28067cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner 28077cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [RHS] type is larger, return it. 28087cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (RHSRank >= LHSRank) 28097cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 28101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28117cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 28127cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 28131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 28147cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 28155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 281671993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 281779cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlssonstatic RecordDecl * 281879cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders CarlssonCreateRecordDecl(ASTContext &Ctx, RecordDecl::TagKind TK, DeclContext *DC, 281979cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson SourceLocation L, IdentifierInfo *Id) { 282079cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson if (Ctx.getLangOptions().CPlusPlus) 282179cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson return CXXRecordDecl::Create(Ctx, TK, DC, L, Id); 282279cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson else 282379cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson return RecordDecl::Create(Ctx, TK, DC, L, Id); 282479cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson} 282579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 28261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// getCFConstantStringType - Return the type used for constant CFStrings. 282771993dd85eed9cc42c6b2fa61ee5c53026b74817Anders CarlssonQualType ASTContext::getCFConstantStringType() { 282871993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson if (!CFConstantStringTypeDecl) { 28291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CFConstantStringTypeDecl = 2830465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 283179cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("NSConstantString")); 28325cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall CFConstantStringTypeDecl->startDefinition(); 283379cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 2834f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson QualType FieldTypes[4]; 28351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 283671993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const int *isa; 28370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[0] = getPointerType(IntTy.withConst()); 2838f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson // int flags; 2839f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson FieldTypes[1] = IntTy; 284071993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const char *str; 28410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[2] = getPointerType(CharTy.withConst()); 284271993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // long length; 28431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[3] = LongTy; 28441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 284544b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor // Create fields 284644b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (unsigned i = 0; i < 4; ++i) { 28471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, CFConstantStringTypeDecl, 284844b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor SourceLocation(), 0, 2849a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 28501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 28514afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 28522888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 285317945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis CFConstantStringTypeDecl->addDecl(Field); 285444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 285544b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 2856838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor CFConstantStringTypeDecl->completeDefinition(); 285771993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson } 28581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 285971993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson return getTagDeclType(CFConstantStringTypeDecl); 28608467583c2704e7a9691ea56939a029015f0ade0aGabor Greif} 2861b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 2862319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setCFConstantStringType(QualType T) { 28636217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 2864319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid CFConstantStringType"); 2865319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor CFConstantStringTypeDecl = Rec->getDecl(); 2866319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 2867319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 28682bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian// getNSConstantStringType - Return the type used for constant NSStrings. 28692bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz JahanianQualType ASTContext::getNSConstantStringType() { 28702bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian if (!NSConstantStringTypeDecl) { 28712bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl = 2872465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 28732bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian &Idents.get("__builtin_NSString")); 28742bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->startDefinition(); 28752bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 28762bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian QualType FieldTypes[3]; 28772bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 28782bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // const int *isa; 28792bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[0] = getPointerType(IntTy.withConst()); 28802bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // const char *str; 28812bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[1] = getPointerType(CharTy.withConst()); 28822bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // unsigned int length; 28832bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[2] = UnsignedIntTy; 28842bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 28852bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // Create fields 28862bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian for (unsigned i = 0; i < 3; ++i) { 28872bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldDecl *Field = FieldDecl::Create(*this, NSConstantStringTypeDecl, 28882bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian SourceLocation(), 0, 28892bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[i], /*TInfo=*/0, 28902bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian /*BitWidth=*/0, 28912bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian /*Mutable=*/false); 28922888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 28932bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->addDecl(Field); 28942bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian } 28952bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 28962bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->completeDefinition(); 28972bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian } 28982bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 28992bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian return getTagDeclType(NSConstantStringTypeDecl); 29002bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian} 29012bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 29022bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanianvoid ASTContext::setNSConstantStringType(QualType T) { 29032bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian const RecordType *Rec = T->getAs<RecordType>(); 29042bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian assert(Rec && "Invalid NSConstantStringType"); 29052bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl = Rec->getDecl(); 29062bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian} 29072bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 29081eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getObjCFastEnumerationStateType() { 2909bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson if (!ObjCFastEnumerationStateTypeDecl) { 291044b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor ObjCFastEnumerationStateTypeDecl = 2911465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 291279cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__objcFastEnumerationState")); 29135cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall ObjCFastEnumerationStateTypeDecl->startDefinition(); 29141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2915bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson QualType FieldTypes[] = { 2916bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson UnsignedLongTy, 2917de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff getPointerType(ObjCIdTypedefType), 2918bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getPointerType(UnsignedLongTy), 2919bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getConstantArrayType(UnsignedLongTy, 2920bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson llvm::APInt(32, 5), ArrayType::Normal, 0) 2921bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson }; 29221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 292344b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (size_t i = 0; i < 4; ++i) { 29241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, 29251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ObjCFastEnumerationStateTypeDecl, 29261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 0, 2927a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 29281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 29294afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 29302888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 293117945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis ObjCFastEnumerationStateTypeDecl->addDecl(Field); 293244b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 29331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2934838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor ObjCFastEnumerationStateTypeDecl->completeDefinition(); 2935bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson } 29361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2937bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson return getTagDeclType(ObjCFastEnumerationStateTypeDecl); 2938bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson} 2939bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 2940adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike StumpQualType ASTContext::getBlockDescriptorType() { 2941adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump if (BlockDescriptorType) 2942adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 2943adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2944adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 2945adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Needs the FlagAppleBlock bit. 2946465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 294779cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor")); 29485cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 2949adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2950adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 2951adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 2952adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 2953adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 2954adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2955adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 2956adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "reserved", 2957083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size" 2958adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 2959adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2960adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 2; ++i) { 2961adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump FieldDecl *Field = FieldDecl::Create(*this, 2962adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T, 2963adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump SourceLocation(), 2964adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 2965a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 2966adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*BitWidth=*/0, 2967adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*Mutable=*/false); 29682888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 2969adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 2970adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 2971adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2972838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 2973adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2974adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = T; 2975adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2976adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 2977adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 2978adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2979adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stumpvoid ASTContext::setBlockDescriptorType(QualType T) { 2980adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const RecordType *Rec = T->getAs<RecordType>(); 2981adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump assert(Rec && "Invalid BlockDescriptorType"); 2982adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = Rec->getDecl(); 2983adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 2984adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2985083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike StumpQualType ASTContext::getBlockDescriptorExtendedType() { 2986083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump if (BlockDescriptorExtendedType) 2987083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 2988083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2989083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump RecordDecl *T; 2990083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump // FIXME: Needs the FlagAppleBlock bit. 2991465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 299279cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor_withcopydispose")); 29935cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 2994083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2995083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType FieldTypes[] = { 2996083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 2997083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 2998083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy), 2999083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy) 3000083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3001083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3002083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const char *FieldNames[] = { 3003083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "reserved", 3004083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size", 3005083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "CopyFuncPtr", 3006083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "DestroyFuncPtr" 3007083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3008083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3009083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump for (size_t i = 0; i < 4; ++i) { 3010083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump FieldDecl *Field = FieldDecl::Create(*this, 3011083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T, 3012083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump SourceLocation(), 3013083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump &Idents.get(FieldNames[i]), 3014a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3015083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*BitWidth=*/0, 3016083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*Mutable=*/false); 30172888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3018083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T->addDecl(Field); 3019083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump } 3020083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3021838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3022083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3023083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = T; 3024083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3025083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3026083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 3027083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3028083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stumpvoid ASTContext::setBlockDescriptorExtendedType(QualType T) { 3029083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const RecordType *Rec = T->getAs<RecordType>(); 3030083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump assert(Rec && "Invalid BlockDescriptorType"); 3031083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = Rec->getDecl(); 3032083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 3033083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3034af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stumpbool ASTContext::BlockRequiresCopying(QualType Ty) { 3035af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (Ty->isBlockPointerType()) 3036af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3037af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (isObjCNSObjectType(Ty)) 3038af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3039af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (Ty->isObjCObjectPointerType()) 3040af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3041af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return false; 3042af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump} 3043af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3044af7b44d847d3e44c43346d508b2e55a6254b6e9dMike StumpQualType ASTContext::BuildByRefType(const char *DeclName, QualType Ty) { 3045af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // type = struct __Block_byref_1_X { 3046ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // void *__isa; 3047af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // struct __Block_byref_1_X *__forwarding; 3048ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __flags; 3049ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __size; 305038e1627e895cd276186ebf177f75ba5d229c3fd7Mike Stump // void *__copy_helper; // as needed 305138e1627e895cd276186ebf177f75ba5d229c3fd7Mike Stump // void *__destroy_help // as needed 3052af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // int X; 3053ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // } * 3054ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3055af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump bool HasCopyAndDispose = BlockRequiresCopying(Ty); 3056af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3057af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // FIXME: Move up 30584d0d85c3370f2726c74ba0ece0a5e712830a1d82Fariborz Jahanian static unsigned int UniqueBlockByRefTypeID = 0; 3059f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::SmallString<36> Name; 3060f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__Block_byref_" << 3061f5942a44880be26878592eb052b737579349411eBenjamin Kramer ++UniqueBlockByRefTypeID << '_' << DeclName; 3062af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump RecordDecl *T; 3063465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 306479cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get(Name.str())); 3065af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->startDefinition(); 3066af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType Int32Ty = IntTy; 3067af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump assert(getIntWidth(IntTy) == 32 && "non-32bit int not supported"); 3068af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType FieldTypes[] = { 3069af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3070af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(getTagDeclType(T)), 3071af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3072af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3073af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3074af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3075af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Ty 3076af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3077af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3078af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump const char *FieldNames[] = { 3079af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__isa", 3080af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__forwarding", 3081af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__flags", 3082af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__size", 3083af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__copy_helper", 3084af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__destroy_helper", 3085af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump DeclName, 3086af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3087af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3088af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump for (size_t i = 0; i < 7; ++i) { 3089af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (!HasCopyAndDispose && i >=4 && i <= 5) 3090af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump continue; 3091af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3092af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump &Idents.get(FieldNames[i]), 3093a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3094af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump /*BitWidth=*/0, /*Mutable=*/false); 30952888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3096af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->addDecl(Field); 3097af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump } 3098af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3099838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3100af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3101af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return getPointerType(getTagDeclType(T)); 3102ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump} 3103ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3104ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3105ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike StumpQualType ASTContext::getBlockParmType( 3106083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump bool BlockHasCopyDispose, 3107ea1471e0e967548c596a71469702f8846dbaf3c0John McCall llvm::SmallVectorImpl<const Expr *> &Layout) { 3108ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 3109adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Move up 31104d0d85c3370f2726c74ba0ece0a5e712830a1d82Fariborz Jahanian static unsigned int UniqueBlockParmTypeID = 0; 3111f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::SmallString<36> Name; 3112f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__block_literal_" 3113f5942a44880be26878592eb052b737579349411eBenjamin Kramer << ++UniqueBlockParmTypeID; 3114adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 3115465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 311679cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get(Name.str())); 31175cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3118adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 3119adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump getPointerType(VoidPtrTy), 3120adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump IntTy, 3121adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump IntTy, 3122adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump getPointerType(VoidPtrTy), 3123083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump (BlockHasCopyDispose ? 3124083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(getBlockDescriptorExtendedType()) : 3125083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(getBlockDescriptorType())) 3126adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3127adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3128adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 3129adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__isa", 3130adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__flags", 3131adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__reserved", 3132adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__FuncPtr", 3133adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__descriptor" 3134adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3135adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3136adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 5; ++i) { 3137ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3138adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 3139a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3140ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump /*BitWidth=*/0, /*Mutable=*/false); 31412888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3142ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump T->addDecl(Field); 3143ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump } 3144ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3145ea1471e0e967548c596a71469702f8846dbaf3c0John McCall for (unsigned i = 0; i < Layout.size(); ++i) { 3146ea1471e0e967548c596a71469702f8846dbaf3c0John McCall const Expr *E = Layout[i]; 3147ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 3148ea1471e0e967548c596a71469702f8846dbaf3c0John McCall QualType FieldType = E->getType(); 3149ea1471e0e967548c596a71469702f8846dbaf3c0John McCall IdentifierInfo *FieldName = 0; 3150ea1471e0e967548c596a71469702f8846dbaf3c0John McCall if (isa<CXXThisExpr>(E)) { 3151ea1471e0e967548c596a71469702f8846dbaf3c0John McCall FieldName = &Idents.get("this"); 3152ea1471e0e967548c596a71469702f8846dbaf3c0John McCall } else if (const BlockDeclRefExpr *BDRE = dyn_cast<BlockDeclRefExpr>(E)) { 3153ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump const ValueDecl *D = BDRE->getDecl(); 3154ea1471e0e967548c596a71469702f8846dbaf3c0John McCall FieldName = D->getIdentifier(); 3155ea1471e0e967548c596a71469702f8846dbaf3c0John McCall if (BDRE->isByRef()) 3156ea1471e0e967548c596a71469702f8846dbaf3c0John McCall FieldType = BuildByRefType(D->getNameAsCString(), FieldType); 3157ea1471e0e967548c596a71469702f8846dbaf3c0John McCall } else { 3158ea1471e0e967548c596a71469702f8846dbaf3c0John McCall // Padding. 3159ea1471e0e967548c596a71469702f8846dbaf3c0John McCall assert(isa<ConstantArrayType>(FieldType) && 3160ea1471e0e967548c596a71469702f8846dbaf3c0John McCall isa<DeclRefExpr>(E) && 3161ea1471e0e967548c596a71469702f8846dbaf3c0John McCall !cast<DeclRefExpr>(E)->getDecl()->getDeclName() && 3162ea1471e0e967548c596a71469702f8846dbaf3c0John McCall "doesn't match characteristics of padding decl"); 3163ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump } 3164ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3165ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3166ea1471e0e967548c596a71469702f8846dbaf3c0John McCall FieldName, FieldType, /*TInfo=*/0, 3167ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump /*BitWidth=*/0, /*Mutable=*/false); 31682888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3169adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 3170adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 3171adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3172838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3173ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3174ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump return getPointerType(getTagDeclType(T)); 3175adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3176adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3177319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setObjCFastEnumerationStateType(QualType T) { 31786217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 3179319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid ObjCFAstEnumerationStateType"); 3180319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor ObjCFastEnumerationStateTypeDecl = Rec->getDecl(); 3181319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 3182319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 3183e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// This returns true if a type has been typedefed to BOOL: 3184e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// typedef <type> BOOL; 31852d99833e8c956775f2183601cd120b65b569c867Chris Lattnerstatic bool isTypeTypedefedAsBOOL(QualType T) { 3186e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (const TypedefType *TT = dyn_cast<TypedefType>(T)) 3187bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner if (IdentifierInfo *II = TT->getDecl()->getIdentifier()) 3188bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner return II->isStr("BOOL"); 31891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 319085f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return false; 319185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 319285f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 3193a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingTypeSize returns size of type for objective-c encoding 319433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// purpose. 3195aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen DyckCharUnits ASTContext::getObjCEncodingTypeSize(QualType type) { 3196199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits sz = getTypeSizeInChars(type); 31971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 319833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Make all integer and enum types at least as large as an int 3199199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck if (sz.isPositive() && type->isIntegralType()) 3200199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = std::max(sz, getTypeSizeInChars(IntTy)); 320133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Treat arrays as pointers, since that's how they're passed in. 320233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian else if (type->isArrayType()) 3203199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = getTypeSizeInChars(VoidPtrTy); 3204aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck return sz; 3205199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck} 3206199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck 3207199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstatic inline 3208199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstd::string charUnitsToString(const CharUnits &CU) { 3209199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return llvm::itostr(CU.getQuantity()); 321033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 321133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 32126f46c2653c1545cc3fef0c0df996d18160160ce8Fariborz Jahanian/// getObjCEncodingForBlockDecl - Return the encoded type for this block 32135e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall/// declaration. 32145e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnallvoid ASTContext::getObjCEncodingForBlock(const BlockExpr *Expr, 32155e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall std::string& S) { 32165e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall const BlockDecl *Decl = Expr->getBlockDecl(); 32175e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType BlockTy = 32185e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Expr->getType()->getAs<BlockPointerType>()->getPointeeType(); 32195e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Encode result type. 32205e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall getObjCEncodingForType(cast<FunctionType>(BlockTy)->getResultType(), S); 32215e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Compute size of all parameters. 32225e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Start with computing size of a pointer in number of bytes. 32235e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // FIXME: There might(should) be a better way of doing this computation! 32245e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall SourceLocation Loc; 3225199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 3226199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = PtrSize; 32276f46c2653c1545cc3fef0c0df996d18160160ce8Fariborz Jahanian for (BlockDecl::param_const_iterator PI = Decl->param_begin(), 32285e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall E = Decl->param_end(); PI != E; ++PI) { 32295e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = (*PI)->getType(); 3230aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3231199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && "BlockExpr - Incomplete param type"); 32325e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset += sz; 32335e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 32345e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Size of the argument frame 3235199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 32365e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Block pointer and offset. 32375e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall S += "@?0"; 32385e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 32395e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 32405e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Argument types. 32415e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 32425e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall for (BlockDecl::param_const_iterator PI = Decl->param_begin(), E = 32435e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Decl->param_end(); PI != E; ++PI) { 32445e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmVarDecl *PVDecl = *PI; 32455e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = PVDecl->getOriginalType(); 32465e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (const ArrayType *AT = 32475e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 32485e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Use array's original type only if it has known number of 32495e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // elements. 32505e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (!isa<ConstantArrayType>(AT)) 32515e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 32525e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } else if (PType->isFunctionType()) 32535e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 32545e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall getObjCEncodingForType(PType, S); 3255199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 3256aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 32575e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 32585e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall} 32595e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 3260a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingForMethodDecl - Return the encoded type for this method 326133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// declaration. 32621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, 3263e6db3b09a79d4affaa5c7becbfb6bba3c08430c1Chris Lattner std::string& S) { 3264c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 3265ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Encode type qualifer, 'in', 'inout', etc. for the return type. 3266a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek getObjCEncodingForTypeQualifier(Decl->getObjCDeclQualifier(), S); 326733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Encode result type. 32680d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(Decl->getResultType(), S); 326933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Compute size of all parameters. 327033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Start with computing size of a pointer in number of bytes. 327133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // FIXME: There might(should) be a better way of doing this computation! 327233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian SourceLocation Loc; 3273199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 327433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // The first two arguments (self and _cmd) are pointers; account for 327533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // their size. 3276199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = 2 * PtrSize; 327789951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 32787732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 327989951a86b594513c2a013532ed45d197413b1087Chris Lattner QualType PType = (*PI)->getType(); 3280aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3281199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && 3282199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck "getObjCEncodingForMethodDecl - Incomplete param type"); 328333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset += sz; 328433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 3285199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 328633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian S += "@0:"; 3287199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(PtrSize); 32881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 328933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Argument types. 329033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset = 2 * PtrSize; 329189951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 32927732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 329389951a86b594513c2a013532ed45d197413b1087Chris Lattner ParmVarDecl *PVDecl = *PI; 32941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType PType = PVDecl->getOriginalType(); 32954306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian if (const ArrayType *AT = 3296ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 3297ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // Use array's original type only if it has known number of 3298ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // elements. 3299bb3fde337fb712c0e6da8790d431621be4793048Steve Naroff if (!isa<ConstantArrayType>(AT)) 3300ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 3301ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff } else if (PType->isFunctionType()) 3302ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 3303ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Process argument qualifiers for user supplied arguments; such as, 330433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // 'in', 'inout', etc. 33054306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian getObjCEncodingForTypeQualifier(PVDecl->getObjCDeclQualifier(), S); 33060d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(PType, S); 3307199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 3308aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 330933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 331033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 331133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 3312c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// getObjCEncodingForPropertyDecl - Return the encoded type for this 331383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// property declaration. If non-NULL, Container must be either an 3314c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// ObjCCategoryImplDecl or ObjCImplementationDecl; it should only be 3315c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// NULL when getting encodings for protocol properties. 33161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Property attributes are stored as a comma-delimited C string. The simple 33171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// attributes readonly and bycopy are encoded as single characters. The 33181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parametrized attributes, getter=name, setter=name, and ivar=name, are 33191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// encoded as single characters, followed by an identifier. Property types 33201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// are also encoded as a parametrized attribute. The characters used to encode 332183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// these attributes are defined by the following enumeration: 332283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @code 332383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// enum PropertyAttributes { 332483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyReadOnly = 'R', // property is read-only. 332583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyBycopy = 'C', // property is a copy of the value last assigned 332683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyByref = '&', // property is a reference to the value last assigned 332783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyDynamic = 'D', // property is dynamic 332883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyGetter = 'G', // followed by getter selector name 332983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertySetter = 'S', // followed by setter selector name 333083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyInstanceVariable = 'V' // followed by instance variable name 333183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyType = 't' // followed by old-style type encoding. 333283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyWeak = 'W' // 'weak' property 333383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyStrong = 'P' // property GC'able 333483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyNonAtomic = 'N' // property non-atomic 333583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// }; 333683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @endcode 33371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 3338c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 3339e6db3b09a79d4affaa5c7becbfb6bba3c08430c1Chris Lattner std::string& S) { 3340c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Collect information from the property implementation decl(s). 3341c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar bool Dynamic = false; 3342c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *SynthesizePID = 0; 3343c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3344c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: Duplicated code due to poor abstraction. 3345c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Container) { 33461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCCategoryImplDecl *CID = 3347c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar dyn_cast<ObjCCategoryImplDecl>(Container)) { 3348c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 334917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = CID->propimpl_begin(), e = CID->propimpl_end(); 3350653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 3351c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 3352c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 3353c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 3354c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 3355c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3356c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 3357c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3358c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3359c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3360c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 336161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner const ObjCImplementationDecl *OID=cast<ObjCImplementationDecl>(Container); 3362c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 336317945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = OID->propimpl_begin(), e = OID->propimpl_end(); 3364653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 3365c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 3366c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 3367c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 3368c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 3369c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3370c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 3371c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3372c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 33731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 3374c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3375c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3376c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3377c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 3378c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S = "T"; 3379c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3380c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Encode result type. 3381090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // GCC has some special rules regarding encoding of properties which 3382090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // closely resembles encoding of ivars. 33831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PD->getType(), S, true, true, 0, 3384090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* outermost type */, 3385090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* encoding for property */); 3386c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3387c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->isReadOnly()) { 3388c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",R"; 3389c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3390c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar switch (PD->getSetterKind()) { 3391c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Assign: break; 3392c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Copy: S += ",C"; break; 33931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump case ObjCPropertyDecl::Retain: S += ",&"; break; 3394c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3395c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3396c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3397c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // It really isn't clear at all what this means, since properties 3398c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // are "dynamic by default". 3399c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Dynamic) 3400c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",D"; 3401c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3402090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_nonatomic) 3403090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian S += ",N"; 34041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3405c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_getter) { 3406c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",G"; 3407077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getGetterName().getAsString(); 3408c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3409c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3410c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_setter) { 3411c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",S"; 3412077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getSetterName().getAsString(); 3413c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3414c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3415c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (SynthesizePID) { 3416c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const ObjCIvarDecl *OID = SynthesizePID->getPropertyIvarDecl(); 3417c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",V"; 341839f34e97d6a468f0a7dfa5664c61217cffc65b74Chris Lattner S += OID->getNameAsString(); 3419c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3420c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3421c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: OBJCGC: weak & strong 3422c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar} 3423c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3424a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// getLegacyIntegralTypeEncoding - 34251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Another legacy compatibility encoding: 32-bit longs are encoded as 34261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 'l' or 'L' , but not always. For typedefs, we need to use 3427a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 'i' or 'I' instead if encoding a struct field, or a pointer! 3428a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 3429a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanianvoid ASTContext::getLegacyIntegralTypeEncoding (QualType &PointeeTy) const { 34308e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(PointeeTy.getTypePtr())) { 3431183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = PointeeTy->getAs<BuiltinType>()) { 3432c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian if (BT->getKind() == BuiltinType::ULong && 3433c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian ((const_cast<ASTContext *>(this))->getIntWidth(PointeeTy) == 32)) 3434a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = UnsignedIntTy; 34351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else 3436c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian if (BT->getKind() == BuiltinType::Long && 3437c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian ((const_cast<ASTContext *>(this))->getIntWidth(PointeeTy) == 32)) 3438a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = IntTy; 3439a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3440a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3441a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian} 3442a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 34437d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanianvoid ASTContext::getObjCEncodingForType(QualType T, std::string& S, 3444153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *Field) { 344582a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // We follow the behavior of gcc, expanding structures which are 344682a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // directly pointed to, and expanding embedded structures. Note that 344782a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // these rules are sufficient to prevent recursive encoding of the 344882a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // same type. 34491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(T, S, true, true, Field, 34505b8c7d9fb620ba3a71e996d61e7b9bdf763b5c09Fariborz Jahanian true /* outermost type */); 345182a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar} 345282a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar 34531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic void EncodeBitField(const ASTContext *Context, std::string& S, 3454153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *FD) { 34558b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian const Expr *E = FD->getBitWidth(); 34568b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian assert(E && "bitfield width not there - getObjCEncodingForTypeImpl"); 34578b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian ASTContext *Ctx = const_cast<ASTContext*>(Context); 34589a901bb63990574ff0bcc12ff851d7a71cff8ddbEli Friedman unsigned N = E->EvaluateAsInt(*Ctx).getZExtValue(); 34598b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'b'; 34608b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += llvm::utostr(N); 34618b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian} 34628b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian 346301eb9b9683535d8a65c704ad2c545903409e2d36Daniel Dunbar// FIXME: Use SmallString for accumulating string. 346482a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbarvoid ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S, 346582a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 346682a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 3467153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *FD, 3468090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType, 34696ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor bool EncodingProperty) { 3470183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = T->getAs<BuiltinType>()) { 3471ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (FD && FD->isBitField()) 3472ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return EncodeBitField(this, S, FD); 3473ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner char encoding; 3474ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner switch (BT->getKind()) { 34751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: assert(0 && "Unhandled builtin type kind"); 3476ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Void: encoding = 'v'; break; 3477ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Bool: encoding = 'B'; break; 3478ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Char_U: 3479ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::UChar: encoding = 'C'; break; 3480ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::UShort: encoding = 'S'; break; 3481ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::UInt: encoding = 'I'; break; 34821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump case BuiltinType::ULong: 34831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump encoding = 34841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump (const_cast<ASTContext *>(this))->getIntWidth(T) == 32 ? 'L' : 'Q'; 348572696e17f90d399448d360cb43aebe5eb2007d4fFariborz Jahanian break; 3486ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::UInt128: encoding = 'T'; break; 3487ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::ULongLong: encoding = 'Q'; break; 3488ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Char_S: 3489ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::SChar: encoding = 'c'; break; 3490ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Short: encoding = 's'; break; 3491ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Int: encoding = 'i'; break; 34921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump case BuiltinType::Long: 34931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump encoding = 34941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump (const_cast<ASTContext *>(this))->getIntWidth(T) == 32 ? 'l' : 'q'; 3495ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner break; 3496ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::LongLong: encoding = 'q'; break; 3497ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Int128: encoding = 't'; break; 3498ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Float: encoding = 'f'; break; 3499ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::Double: encoding = 'd'; break; 3500ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner case BuiltinType::LongDouble: encoding = 'd'; break; 350143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 35021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3503ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += encoding; 3504ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3505ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 35061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3507183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) { 3508c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson S += 'j'; 35091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(CT->getElementType(), S, false, false, 0, false, 3510c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson false); 3511ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3512ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 351360bce3ef20a4c9684e3825cdd739fefb9810327dFariborz Jahanian 3514aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian // encoding for pointer or r3eference types. 3515aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian QualType PointeeTy; 35166217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType *PT = T->getAs<PointerType>()) { 35178d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (PT->isObjCSelType()) { 35188d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian S += ':'; 35198d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return; 35208d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian } 3521aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = PT->getPointeeType(); 3522aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian } 3523aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian else if (const ReferenceType *RT = T->getAs<ReferenceType>()) 3524aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = RT->getPointeeType(); 3525aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian if (!PointeeTy.isNull()) { 3526a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian bool isReadOnly = false; 3527a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // For historical/compatibility reasons, the read-only qualifier of the 3528a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // pointee gets emitted _before_ the '^'. The read-only qualifier of 3529a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // the pointer itself gets ignored, _unless_ we are looking at a typedef! 35301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Also, do not emit the 'r' for anything but the outermost type! 35318e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(T.getTypePtr())) { 3532a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (OutermostType && T.isConstQualified()) { 3533a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 3534a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 3535a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 35369fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else if (OutermostType) { 3537a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType P = PointeeTy; 35386217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek while (P->getAs<PointerType>()) 35396217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek P = P->getAs<PointerType>()->getPointeeType(); 3540a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (P.isConstQualified()) { 3541a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 3542a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 3543a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3544a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3545a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (isReadOnly) { 3546a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Another legacy compatibility encoding. Some ObjC qualifier and type 3547a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // combinations need to be rearranged. 3548a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Rewrite "in const" from "nr" to "rn" 35490237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer if (llvm::StringRef(S).endswith("nr")) 35500237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer S.replace(S.end()-2, S.end(), "rn"); 3551a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 35521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 355385f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson if (PointeeTy->isCharType()) { 355485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // char pointer types should be encoded as '*' unless it is a 355585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // type that has been typedef'd to 'BOOL'. 3556e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (!isTypeTypedefedAsBOOL(PointeeTy)) { 355785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '*'; 355885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return; 355985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 35606217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek } else if (const RecordType *RTy = PointeeTy->getAs<RecordType>()) { 35619533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_class *" to "#". 35629533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_class")) { 35639533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '#'; 35649533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 35659533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 35669533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_object *" to "@". 35679533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_object")) { 35689533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '@'; 35699533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 35709533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 35719533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // fall through... 357285f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 357385f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '^'; 3574a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(PointeeTy); 3575a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 35761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, false, ExpandPointedToStructures, 357743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian NULL); 3578ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3579ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 3580aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian 3581ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (const ArrayType *AT = 3582ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Ignore type qualifiers etc. 3583ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner dyn_cast<ArrayType>(T->getCanonicalTypeInternal())) { 3584559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson if (isa<IncompleteArrayType>(AT)) { 3585559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson // Incomplete arrays are encoded as a pointer to the array element. 3586559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '^'; 3587559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson 35881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 3589559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 3590559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } else { 3591559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '['; 35921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3593559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) 3594559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += llvm::utostr(CAT->getSize().getZExtValue()); 3595559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson else { 3596559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson //Variable length arrays are encoded as a regular array with 0 elements. 3597559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson assert(isa<VariableArrayType>(AT) && "Unknown array type!"); 3598559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '0'; 3599559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 36001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 36011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 3602559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 3603559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += ']'; 3604559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 3605ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3606ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 36071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3608183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (T->getAs<FunctionType>()) { 3609c0a87b7db06643178ad2cbce0767548c139ea387Anders Carlsson S += '?'; 3610ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3611ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 36121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 36136217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const RecordType *RTy = T->getAs<RecordType>()) { 361482a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar RecordDecl *RDecl = RTy->getDecl(); 3615d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? '(' : '{'; 3616502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar // Anonymous structures print as '?' 3617502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar if (const IdentifierInfo *II = RDecl->getIdentifier()) { 3618502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += II->getName(); 36196fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian if (ClassTemplateSpecializationDecl *Spec 36206fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = dyn_cast<ClassTemplateSpecializationDecl>(RDecl)) { 36216fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); 36226fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian std::string TemplateArgsStr 36236fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = TemplateSpecializationType::PrintTemplateArgumentList( 36246fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian TemplateArgs.getFlatArgumentList(), 36256fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian TemplateArgs.flat_size(), 36266fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian (*this).PrintingPolicy); 36276fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian 36286fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian S += TemplateArgsStr; 36296fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian } 3630502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } else { 3631502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += '?'; 3632502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } 36330d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar if (ExpandStructures) { 36347d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian S += '='; 363517945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (RecordDecl::field_iterator Field = RDecl->field_begin(), 363617945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis FieldEnd = RDecl->field_end(); 363744b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor Field != FieldEnd; ++Field) { 363843822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (FD) { 3639d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += '"'; 364044b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor S += Field->getNameAsString(); 3641d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += '"'; 3642d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 36431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3644d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar // Special case bit-fields. 364543822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (Field->isBitField()) { 36461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(Field->getType(), S, false, true, 364743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian (*Field)); 3648d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } else { 3649a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType qt = Field->getType(); 3650a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(qt); 36511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(qt, S, false, true, 365243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian FD); 3653d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 36547d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian } 36556de88a873a4cbe06d72602eef57d68006730a80bFariborz Jahanian } 3656d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? ')' : '}'; 3657ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3658ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 36591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3660ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isEnumeralType()) { 36618b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian if (FD && FD->isBitField()) 36628b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian EncodeBitField(this, S, FD); 36638b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian else 36648b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'i'; 3665ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3666ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 36671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3668ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isBlockPointerType()) { 366921a98b188857d690aa4510c52ac4317ffa0908a8Steve Naroff S += "@?"; // Unlike a pointer-to-function, which is "^?". 3670ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3671ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 36721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3673c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Ignore protocol qualifiers when mangling at this level. 3674c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const ObjCObjectType *OT = T->getAs<ObjCObjectType>()) 3675c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T = OT->getBaseType(); 3676c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 36770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (const ObjCInterfaceType *OIT = T->getAs<ObjCInterfaceType>()) { 367843822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian // @encode(class_name) 36790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ObjCInterfaceDecl *OI = OIT->getDecl(); 368043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '{'; 368143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian const IdentifierInfo *II = OI->getIdentifier(); 368243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += II->getName(); 368343822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '='; 3684f1690858344968358131f8d5690d9ee458883000Chris Lattner llvm::SmallVector<FieldDecl*, 32> RecFields; 368543822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian CollectObjCIvars(OI, RecFields); 3686f1690858344968358131f8d5690d9ee458883000Chris Lattner for (unsigned i = 0, e = RecFields.size(); i != e; ++i) { 368743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (RecFields[i]->isBitField()) 36881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(RecFields[i]->getType(), S, false, true, 368943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian RecFields[i]); 369043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian else 36911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(RecFields[i]->getType(), S, false, true, 369243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian FD); 369343822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 369443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '}'; 3695ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 369643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 36971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3698183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = T->getAs<ObjCObjectPointerType>()) { 369914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (OPT->isObjCIdType()) { 370014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '@'; 370114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 3702ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 37031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 370427d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->isObjCClassType() || OPT->isObjCQualifiedClassType()) { 370527d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // FIXME: Consider if we need to output qualifiers for 'Class<p>'. 370627d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // Since this is a binary compatibility issue, need to consult with runtime 370727d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // folks. Fortunately, this is a *very* obsure construct. 370814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '#'; 370914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 3710ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 37111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3712ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (OPT->isObjCQualifiedIdType()) { 37131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(getObjCIdType(), S, 371414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandPointedToStructures, 371514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandStructures, FD); 371614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (FD || EncodingProperty) { 371714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Note that we do extended encoding of protocol qualifer list 371814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Only when doing ivar or property encoding. 371914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 372067ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 372167ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 372214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '<'; 372314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += (*I)->getNameAsString(); 372414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '>'; 372514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 372614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 372714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 372814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 3729ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 37301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3731ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner QualType PointeeTy = OPT->getPointeeType(); 3732ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (!EncodingProperty && 3733ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner isa<TypedefType>(PointeeTy.getTypePtr())) { 3734ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Another historical/compatibility reason. 37351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We encode the underlying type which comes out as 3736ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // {...}; 3737ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '^'; 37381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, 37391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump false, ExpandPointedToStructures, 3740ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner NULL); 374114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 374214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3743ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 3744ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '@'; 374527d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->getInterfaceDecl() && (FD || EncodingProperty)) { 3746ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 374727d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff S += OPT->getInterfaceDecl()->getIdentifier()->getName(); 374867ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 374967ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 3750ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '<'; 3751ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += (*I)->getNameAsString(); 3752ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '>'; 37531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 3754ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 3755ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 3756ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3757ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 37581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3759532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // gcc just blithely ignores member pointers. 3760532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // TODO: maybe there should be a mangling for these 3761532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall if (T->getAs<MemberPointerType>()) 3762532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall return; 3763532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall 3764ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner assert(0 && "@encode for type not implemented!"); 376585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 376685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 37671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 3768ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string& S) const { 3769ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_In) 3770ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'n'; 3771ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Inout) 3772ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'N'; 3773ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Out) 3774ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'o'; 3775ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Bycopy) 3776ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'O'; 3777ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Byref) 3778ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'R'; 3779ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Oneway) 3780ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'V'; 3781ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian} 3782ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 3783ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setBuiltinVaListType(QualType T) { 3784b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson assert(BuiltinVaListType.isNull() && "__builtin_va_list type already set!"); 37851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3786b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson BuiltinVaListType = T; 3787b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson} 3788b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 3789ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCIdType(QualType T) { 3790de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = T; 37917e219e47de26346885d667131977bd9ca2d7662aSteve Naroff} 37927e219e47de26346885d667131977bd9ca2d7662aSteve Naroff 3793ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCSelType(QualType T) { 379413dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = T; 3795b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian} 3796b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 3797ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCProtoType(QualType QT) { 3798a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtoType = QT; 3799390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian} 3800390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 3801ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCClassType(QualType T) { 3802de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = T; 38038baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson} 38048baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 3805a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid ASTContext::setObjCConstantStringInterface(ObjCInterfaceDecl *Decl) { 38061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(ObjCConstantStringType.isNull() && 38072198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff "'NSConstantString' type already set!"); 38081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3809a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = getObjCInterfaceType(Decl); 38102198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff} 38112198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 38120bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// \brief Retrieve the template name that corresponds to a non-empty 38130bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// lookup. 3814eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCallTemplateName ASTContext::getOverloadedTemplateName(UnresolvedSetIterator Begin, 3815eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall UnresolvedSetIterator End) { 38160bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall unsigned size = End - Begin; 38170bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(size > 1 && "set is not overloaded!"); 38187532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 38190bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall void *memory = Allocate(sizeof(OverloadedTemplateStorage) + 38200bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall size * sizeof(FunctionTemplateDecl*)); 38210bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *OT = new(memory) OverloadedTemplateStorage(size); 38220bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall 38230bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl **Storage = OT->getStorage(); 3824eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall for (UnresolvedSetIterator I = Begin; I != End; ++I) { 38250bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl *D = *I; 38260bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(isa<FunctionTemplateDecl>(D) || 38270bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall (isa<UsingShadowDecl>(D) && 38280bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall isa<FunctionTemplateDecl>(D->getUnderlyingDecl()))); 38290bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall *Storage++ = D; 38307532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 38317532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 38320bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall return TemplateName(OT); 38337532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 38347532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 3835d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// \brief Retrieve the template name that represents a qualified 3836d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// template name such as \c std::vector. 38371eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateName ASTContext::getQualifiedTemplateName(NestedNameSpecifier *NNS, 3838d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor bool TemplateKeyword, 38390bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall TemplateDecl *Template) { 3840789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor // FIXME: Canonicalization? 3841d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor llvm::FoldingSetNodeID ID; 3842d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName::Profile(ID, NNS, TemplateKeyword, Template); 38431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3844d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor void *InsertPos = 0; 3845d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName *QTN = 38460bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall QualifiedTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 3847d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor if (!QTN) { 3848d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QTN = new (*this,4) QualifiedTemplateName(NNS, TemplateKeyword, Template); 3849d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateNames.InsertNode(QTN, InsertPos); 3850d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor } 38511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3852d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor return TemplateName(QTN); 3853d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor} 3854d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor 38557532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Retrieve the template name that represents a dependent 38567532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template name such as \c MetaFun::template apply. 38571eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateName ASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 38587532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const IdentifierInfo *Name) { 38591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert((!NNS || NNS->isDependent()) && 38603b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor "Nested name specifier must be dependent"); 38617532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 38627532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSetNodeID ID; 38637532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName::Profile(ID, NNS, Name); 38647532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 38657532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor void *InsertPos = 0; 38667532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName *QTN = 38677532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 38687532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 38697532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (QTN) 38707532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 38717532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 38727532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 38737532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (CanonNNS == NNS) { 38747532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name); 38757532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } else { 38767532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Name); 38777532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name, Canon); 3878789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN = 3879789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 3880789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent type name canonicalization broken"); 3881789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 38827532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 38837532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 38847532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 38857532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 38867532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 38877532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 3888ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Retrieve the template name that represents a dependent 3889ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// template name such as \c MetaFun::template operator+. 3890ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorTemplateName 3891ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 3892ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor OverloadedOperatorKind Operator) { 3893ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor assert((!NNS || NNS->isDependent()) && 3894ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor "Nested name specifier must be dependent"); 3895ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3896ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor llvm::FoldingSetNodeID ID; 3897ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateName::Profile(ID, NNS, Operator); 3898ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3899ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor void *InsertPos = 0; 3900789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *QTN 3901789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 3902ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3903ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (QTN) 3904ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 3905ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3906ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 3907ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (CanonNNS == NNS) { 3908ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator); 3909ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else { 3910ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Operator); 3911ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator, Canon); 3912789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 3913789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN 3914789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 3915789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent template name canonicalization broken"); 3916789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 3917ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 3918ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3919ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 3920ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 3921ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor} 3922ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3923b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor/// getFromTargetType - Given one of the integer types provided by 3924d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// TargetInfo, produce the corresponding type. The unsigned @p Type 3925d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// is actually a value of type @c TargetInfo::IntType. 3926e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallCanQualType ASTContext::getFromTargetType(unsigned Type) const { 3927b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor switch (Type) { 3928e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall case TargetInfo::NoInt: return CanQualType(); 3929b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedShort: return ShortTy; 3930b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedShort: return UnsignedShortTy; 3931b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedInt: return IntTy; 3932b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedInt: return UnsignedIntTy; 3933b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLong: return LongTy; 3934b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLong: return UnsignedLongTy; 3935b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLongLong: return LongLongTy; 3936b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLongLong: return UnsignedLongLongTy; 3937b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor } 3938b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 3939b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor assert(false && "Unhandled TargetInfo::IntType value"); 3940e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall return CanQualType(); 3941b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor} 3942b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 3943b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 3944b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek// Type Predicates. 3945b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 3946b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 3947fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// isObjCNSObjectType - Return true if this is an NSObject object using 3948fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// NSObject attribute on a c-style pointer type. 3949fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// FIXME - Make it work directly on types. 3950f49545602089be5b1f744e04326b8a566f6d8773Steve Naroff/// FIXME: Move to Type. 3951fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// 3952fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanianbool ASTContext::isObjCNSObjectType(QualType Ty) const { 3953fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian if (TypedefType *TDT = dyn_cast<TypedefType>(Ty)) { 3954fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian if (TypedefDecl *TD = TDT->getDecl()) 395540b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (TD->getAttr<ObjCNSObjectAttr>()) 3956fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian return true; 3957fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian } 39581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return false; 3959fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian} 3960fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian 39614fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's 39624fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// garbage collection attribute. 39634fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// 39640953e767ff7817f97b3ab20896b229891eeff45bJohn McCallQualifiers::GC ASTContext::getObjCGCAttrKind(const QualType &Ty) const { 39650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GCAttrs = Qualifiers::GCNone; 39664fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian if (getLangOptions().ObjC1 && 39674fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian getLangOptions().getGCMode() != LangOptions::NonGC) { 3968b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner GCAttrs = Ty.getObjCGCAttr(); 39694fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian // Default behavious under objective-c's gc is for objective-c pointers 39701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // (or pointers to them) be treated as though they were declared 3971a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian // as __strong. 39720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GCAttrs == Qualifiers::GCNone) { 397375212ee91313bc1b6dd826d9b173541bc4016539Fariborz Jahanian if (Ty->isObjCObjectPointerType() || Ty->isBlockPointerType()) 39740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall GCAttrs = Qualifiers::Strong; 3975a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian else if (Ty->isPointerType()) 39766217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek return getObjCGCAttrKind(Ty->getAs<PointerType>()->getPointeeType()); 3977a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian } 3978c2112181b96349eb595dc5e8b7073b81ecdec0dbFariborz Jahanian // Non-pointers have none gc'able attribute regardless of the attribute 3979c2112181b96349eb595dc5e8b7073b81ecdec0dbFariborz Jahanian // set on them. 3980f49545602089be5b1f744e04326b8a566f6d8773Steve Naroff else if (!Ty->isAnyPointerType() && !Ty->isBlockPointerType()) 39810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qualifiers::GCNone; 39824fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian } 3983b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner return GCAttrs; 39844fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian} 39854fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian 39866ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 39876ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner// Type Compatibility Testing 39886ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 3989770951b5bb6028a8d326ddb4a13cef7d4a128162Chris Lattner 39901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// areCompatVectorTypes - Return true if the two specified vector types are 39916ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner/// compatible. 39926ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattnerstatic bool areCompatVectorTypes(const VectorType *LHS, 39936ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner const VectorType *RHS) { 3994467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(LHS->isCanonicalUnqualified() && RHS->isCanonicalUnqualified()); 39956ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return LHS->getElementType() == RHS->getElementType() && 399661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner LHS->getNumElements() == RHS->getNumElements(); 39976ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 39986ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 39994084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 40004084c306635b70f37029dca938444e6013f08684Steve Naroff// ObjCQualifiedIdTypesAreCompatible - Compatibility testing for qualified id's. 40014084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 40024084c306635b70f37029dca938444e6013f08684Steve Naroff 40034084c306635b70f37029dca938444e6013f08684Steve Naroff/// ProtocolCompatibleWithProtocol - return 'true' if 'lProto' is in the 40044084c306635b70f37029dca938444e6013f08684Steve Naroff/// inheritance hierarchy of 'rProto'. 40050fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanianbool ASTContext::ProtocolCompatibleWithProtocol(ObjCProtocolDecl *lProto, 40060fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian ObjCProtocolDecl *rProto) { 40074084c306635b70f37029dca938444e6013f08684Steve Naroff if (lProto == rProto) 400814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return true; 40094084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCProtocolDecl::protocol_iterator PI = rProto->protocol_begin(), 40104084c306635b70f37029dca938444e6013f08684Steve Naroff E = rProto->protocol_end(); PI != E; ++PI) 40114084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lProto, *PI)) 40124084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 40134084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 40144084c306635b70f37029dca938444e6013f08684Steve Naroff} 401514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 40164084c306635b70f37029dca938444e6013f08684Steve Naroff/// QualifiedIdConformsQualifiedId - compare id<p,...> with id<p1,...> 40174084c306635b70f37029dca938444e6013f08684Steve Naroff/// return true if lhs's protocols conform to rhs's protocol; false 40184084c306635b70f37029dca938444e6013f08684Steve Naroff/// otherwise. 40194084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::QualifiedIdConformsQualifiedId(QualType lhs, QualType rhs) { 40204084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhs->isObjCQualifiedIdType() && rhs->isObjCQualifiedIdType()) 40214084c306635b70f37029dca938444e6013f08684Steve Naroff return ObjCQualifiedIdTypesAreCompatible(lhs, rhs, false); 40224084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 40234084c306635b70f37029dca938444e6013f08684Steve Naroff} 40244084c306635b70f37029dca938444e6013f08684Steve Naroff 40254084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIdTypesAreCompatible - We know that one of lhs/rhs is an 40264084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIDType. 40274084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::ObjCQualifiedIdTypesAreCompatible(QualType lhs, QualType rhs, 40284084c306635b70f37029dca938444e6013f08684Steve Naroff bool compare) { 40294084c306635b70f37029dca938444e6013f08684Steve Naroff // Allow id<P..> and an 'id' or void* type in all cases. 40301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isVoidPointerType() || 40314084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->isObjCIdType() || lhs->isObjCClassType()) 40324084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 40331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else if (rhs->isVoidPointerType() || 40344084c306635b70f37029dca938444e6013f08684Steve Naroff rhs->isObjCIdType() || rhs->isObjCClassType()) 40354084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 40364084c306635b70f37029dca938444e6013f08684Steve Naroff 40374084c306635b70f37029dca938444e6013f08684Steve Naroff if (const ObjCObjectPointerType *lhsQID = lhs->getAsObjCQualifiedIdType()) { 4038183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 40391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 40404084c306635b70f37029dca938444e6013f08684Steve Naroff if (!rhsOPT) return false; 40411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 40424084c306635b70f37029dca938444e6013f08684Steve Naroff if (rhsOPT->qual_empty()) { 40431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a unqualified interface pointer "NSString*", 40444084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 40454084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 40464084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 40474084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 40484084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 40494084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 40504084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 40510fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (!rhsID->ClassImplementsProtocol(*I, true)) 40524084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 40534084c306635b70f37029dca938444e6013f08684Steve Naroff } 40544084c306635b70f37029dca938444e6013f08684Steve Naroff } 40554084c306635b70f37029dca938444e6013f08684Steve Naroff // If there are no qualifiers and no interface, we have an 'id'. 40564084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 40574084c306635b70f37029dca938444e6013f08684Steve Naroff } 40581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Both the right and left sides have qualifiers. 40594084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 40604084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 40614084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 40624084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 4063de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff 4064de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // when comparing an id<P> on lhs with a static type on rhs, 4065de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // see if static class implements all of id's protocols, directly or 4066de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // through its super class and categories. 40674084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 40684084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsOPT->qual_end(); J != E; ++J) { 40694084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 40704084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 40714084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 40724084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 40738f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 40748f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 4075de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 40761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a qualified interface pointer "NSString<P>*", 40774084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 40784084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 40794084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 40804084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 40814084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 40824084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 40834084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 40840fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (rhsID->ClassImplementsProtocol(*I, true)) { 40854084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 40864084c306635b70f37029dca938444e6013f08684Steve Naroff break; 40874084c306635b70f37029dca938444e6013f08684Steve Naroff } 40884084c306635b70f37029dca938444e6013f08684Steve Naroff } 40894084c306635b70f37029dca938444e6013f08684Steve Naroff } 40904084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 4091de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return false; 4092de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 40931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4094de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return true; 4095de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 40961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 40974084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *rhsQID = rhs->getAsObjCQualifiedIdType(); 40984084c306635b70f37029dca938444e6013f08684Steve Naroff assert(rhsQID && "One of the LHS/RHS should be id<x>"); 40994084c306635b70f37029dca938444e6013f08684Steve Naroff 41001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCObjectPointerType *lhsOPT = 41014084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->getAsObjCInterfacePointerType()) { 41024084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhsOPT->qual_empty()) { 41034084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 41044084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *lhsID = lhsOPT->getInterfaceDecl()) { 41054084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = rhsQID->qual_begin(), 41064084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); I != E; ++I) { 41074084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 41084084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 41094084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 41100fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (lhsID->ClassImplementsProtocol(*I, true)) { 41114084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 41124084c306635b70f37029dca938444e6013f08684Steve Naroff break; 41134084c306635b70f37029dca938444e6013f08684Steve Naroff } 41144084c306635b70f37029dca938444e6013f08684Steve Naroff } 41154084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 41164084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 41174084c306635b70f37029dca938444e6013f08684Steve Naroff } 41184084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 41194084c306635b70f37029dca938444e6013f08684Steve Naroff } 41201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Both the right and left sides have qualifiers. 41214084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsOPT->qual_begin(), 41224084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsOPT->qual_end(); I != E; ++I) { 41234084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 41244084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 41254084c306635b70f37029dca938444e6013f08684Steve Naroff 41264084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 41274084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 41284084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 41294084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 41304084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); J != E; ++J) { 41314084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 41324084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 41334084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 41344084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 41354084c306635b70f37029dca938444e6013f08684Steve Naroff break; 41364084c306635b70f37029dca938444e6013f08684Steve Naroff } 41374084c306635b70f37029dca938444e6013f08684Steve Naroff } 41384084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 41394084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 41404084c306635b70f37029dca938444e6013f08684Steve Naroff } 41414084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 41424084c306635b70f37029dca938444e6013f08684Steve Naroff } 41434084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 41444084c306635b70f37029dca938444e6013f08684Steve Naroff} 41454084c306635b70f37029dca938444e6013f08684Steve Naroff 41464084c306635b70f37029dca938444e6013f08684Steve Naroff/// canAssignObjCInterfaces - Return true if the two interface types are 41474084c306635b70f37029dca938444e6013f08684Steve Naroff/// compatible for assignment from RHS to LHS. This handles validation of any 41484084c306635b70f37029dca938444e6013f08684Steve Naroff/// protocol qualifiers on the LHS or RHS. 41494084c306635b70f37029dca938444e6013f08684Steve Naroff/// 41504084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::canAssignObjCInterfaces(const ObjCObjectPointerType *LHSOPT, 41514084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *RHSOPT) { 4152c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 4153c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 4154c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 41554084c306635b70f37029dca938444e6013f08684Steve Naroff // If either type represents the built-in 'id' or 'Class' types, return true. 4156c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCUnqualifiedIdOrClass() || 4157c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHS->isObjCUnqualifiedIdOrClass()) 41584084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 41594084c306635b70f37029dca938444e6013f08684Steve Naroff 4160c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCQualifiedId() || RHS->isObjCQualifiedId()) 41611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 41621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType(RHSOPT,0), 41634084c306635b70f37029dca938444e6013f08684Steve Naroff false); 41644084c306635b70f37029dca938444e6013f08684Steve Naroff 4165c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If we have 2 user-defined types, fall into that path. 4166c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->getInterface() && RHS->getInterface()) 41674084c306635b70f37029dca938444e6013f08684Steve Naroff return canAssignObjCInterfaces(LHS, RHS); 41681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41694084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 417014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 417114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4172132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// canAssignObjCInterfacesInBlockPointer - This routine is specifically written 4173132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// for providing type-safty for objective-c pointers used to pass/return 4174132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// arguments in block literals. When passed as arguments, passing 'A*' where 4175132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// 'id' is expected is not OK. Passing 'Sub *" where 'Super *" is expected is 4176132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// not OK. For the return type, the opposite is not OK. 4177132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::canAssignObjCInterfacesInBlockPointer( 4178132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *LHSOPT, 4179132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *RHSOPT) { 4180a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (RHSOPT->isObjCBuiltinType() || LHSOPT->isObjCIdType()) 4181132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4182132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4183132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHSOPT->isObjCBuiltinType()) { 4184132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return RHSOPT->isObjCBuiltinType() || RHSOPT->isObjCQualifiedIdType(); 4185132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4186132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4187a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (LHSOPT->isObjCQualifiedIdType() || RHSOPT->isObjCQualifiedIdType()) 4188132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 4189132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType(RHSOPT,0), 4190132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian false); 4191132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4192132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* LHS = LHSOPT->getInterfaceType(); 4193132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* RHS = RHSOPT->getInterfaceType(); 4194132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS && RHS) { // We have 2 user-defined types. 4195132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS != RHS) { 4196132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS->getDecl()->isSuperClassOf(RHS->getDecl())) 4197132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return false; 4198132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (RHS->getDecl()->isSuperClassOf(LHS->getDecl())) 4199132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4200132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4201132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 4202132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4203132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4204132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return false; 4205132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 4206132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4207e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// getIntersectionOfProtocols - This routine finds the intersection of set 4208e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// of protocols inherited from two distinct objective-c pointer objects. 4209e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// It is used to build composite qualifier list of the composite type of 4210e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// the conditional expression involving two objective-c pointer objects. 4211e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianstatic 4212e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid getIntersectionOfProtocols(ASTContext &Context, 4213e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *LHSOPT, 4214e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *RHSOPT, 4215e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallVectorImpl<ObjCProtocolDecl *> &IntersectionOfProtocols) { 4216e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4217c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 4218c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 4219c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS must have an interface base"); 4220c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS must have an interface base"); 4221e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4222e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> InheritedProtocolSet; 4223e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned LHSNumProtocols = LHS->getNumProtocols(); 4224e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (LHSNumProtocols > 0) 4225e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHS->qual_begin(), LHS->qual_end()); 4226e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 4227432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 4228c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(LHS->getInterface(), 4229c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSInheritedProtocols); 4230e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHSInheritedProtocols.begin(), 4231e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian LHSInheritedProtocols.end()); 4232e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4233e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4234e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned RHSNumProtocols = RHS->getNumProtocols(); 4235e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (RHSNumProtocols > 0) { 4236cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman ObjCProtocolDecl **RHSProtocols = 4237cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman const_cast<ObjCProtocolDecl **>(RHS->qual_begin()); 4238e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (unsigned i = 0; i < RHSNumProtocols; ++i) 4239e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (InheritedProtocolSet.count(RHSProtocols[i])) 4240e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian IntersectionOfProtocols.push_back(RHSProtocols[i]); 4241e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4242e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 4243432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> RHSInheritedProtocols; 4244c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(RHS->getInterface(), 4245c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSInheritedProtocols); 4246432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 4247432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian RHSInheritedProtocols.begin(), 4248432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian E = RHSInheritedProtocols.end(); I != E; ++I) 4249432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian if (InheritedProtocolSet.count((*I))) 4250432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian IntersectionOfProtocols.push_back((*I)); 4251e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4252e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 4253e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4254db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// areCommonBaseCompatible - Returns common base class of the two classes if 4255db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// one found. Note that this is O'2 algorithm. But it will be called as the 4256db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// last type comparison in a ?-exp of ObjC pointer types before a 4257db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// warning is issued. So, its invokation is extremely rare. 4258db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz JahanianQualType ASTContext::areCommonBaseCompatible( 4259c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Lptr, 4260c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Rptr) { 4261c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *LHS = Lptr->getObjectType(); 4262c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS = Rptr->getObjectType(); 4263c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* LDecl = LHS->getInterface(); 4264c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* RDecl = RHS->getInterface(); 4265c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!LDecl || !RDecl) 4266db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 4267db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4268c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall while ((LDecl = LDecl->getSuperClass())) { 4269c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHS = cast<ObjCInterfaceType>(getObjCInterfaceType(LDecl)); 4270e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (canAssignObjCInterfaces(LHS, RHS)) { 4271c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::SmallVector<ObjCProtocolDecl *, 8> Protocols; 4272c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getIntersectionOfProtocols(*this, Lptr, Rptr, Protocols); 4273c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4274c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType Result = QualType(LHS, 0); 4275c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!Protocols.empty()) 4276c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectType(Result, Protocols.data(), Protocols.size()); 4277c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectPointerType(Result); 4278c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return Result; 4279e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4280db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian } 4281db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4282db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 4283db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian} 4284db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4285c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallbool ASTContext::canAssignObjCInterfaces(const ObjCObjectType *LHS, 4286c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS) { 4287c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS is not an interface type"); 4288c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS is not an interface type"); 4289c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 42906ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Verify that the base decls are compatible: the RHS must be a subclass of 42916ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // the LHS. 4292c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!LHS->getInterface()->isSuperClassOf(RHS->getInterface())) 42936ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return false; 42941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 42956ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // RHS must have a superset of the protocols in the LHS. If the LHS is not 42966ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // protocol qualified at all, then we are good. 4297c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (LHS->getNumProtocols() == 0) 42986ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; 42991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43006ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Okay, we know the LHS has protocol qualifiers. If the RHS doesn't, then it 43016ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // isn't a superset. 4302c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (RHS->getNumProtocols() == 0) 43036ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; // FIXME: should return false! 43041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4305c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator LHSPI = LHS->qual_begin(), 4306c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSPE = LHS->qual_end(); 430791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff LHSPI != LHSPE; LHSPI++) { 430891b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff bool RHSImplementsProtocol = false; 430991b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff 431091b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // If the RHS doesn't implement the protocol on the left, the types 431191b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // are incompatible. 4312c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator RHSPI = RHS->qual_begin(), 4313c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSPE = RHS->qual_end(); 43148f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff RHSPI != RHSPE; RHSPI++) { 43158f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff if ((*RHSPI)->lookupProtocolNamed((*LHSPI)->getIdentifier())) { 431691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff RHSImplementsProtocol = true; 43178f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 43188f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 431991b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 432091b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // FIXME: For better diagnostics, consider passing back the protocol name. 432191b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff if (!RHSImplementsProtocol) 432291b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return false; 432391b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 432491b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // The RHS implements all protocols listed on the LHS. 432591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return true; 43266ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 43276ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 4328389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroffbool ASTContext::areComparableObjCPointerTypes(QualType LHS, QualType RHS) { 4329389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff // get the "pointed to" types 4330183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *LHSOPT = LHS->getAs<ObjCObjectPointerType>(); 4331183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *RHSOPT = RHS->getAs<ObjCObjectPointerType>(); 43321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 433314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (!LHSOPT || !RHSOPT) 4334389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return false; 433514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 433614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return canAssignObjCInterfaces(LHSOPT, RHSOPT) || 433714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff canAssignObjCInterfaces(RHSOPT, LHSOPT); 4338389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff} 4339389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff 43401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typesAreCompatible - C99 6.7.3p9: For two qualified types to be compatible, 4341ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// both shall have the identically qualified version of a compatible type. 43421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// C99 6.2.7p1: Two types have compatible types if their types are the 4343ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// same. See 6.7.[2,3,5] for additional rules. 43443d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedmanbool ASTContext::typesAreCompatible(QualType LHS, QualType RHS) { 43450e709abafbd939326850501f795cc7a92c88a354Douglas Gregor if (getLangOptions().CPlusPlus) 43460e709abafbd939326850501f795cc7a92c88a354Douglas Gregor return hasSameType(LHS, RHS); 43470e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 43483d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return !mergeTypes(LHS, RHS).isNull(); 43493d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 43503d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4351132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::typesAreBlockPointerCompatible(QualType LHS, QualType RHS) { 4352132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return !mergeTypes(LHS, RHS, true).isNull(); 4353132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 4354132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4355132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeFunctionTypes(QualType lhs, QualType rhs, 4356132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian bool OfBlockPointer) { 4357183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *lbase = lhs->getAs<FunctionType>(); 4358183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *rbase = rhs->getAs<FunctionType>(); 435972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *lproto = dyn_cast<FunctionProtoType>(lbase); 436072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *rproto = dyn_cast<FunctionProtoType>(rbase); 43613d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allLTypes = true; 43623d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allRTypes = true; 43633d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 43643d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check return type 4365132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType retType; 4366132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (OfBlockPointer) 4367132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian retType = mergeTypes(rbase->getResultType(), lbase->getResultType(), true); 4368132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 4369132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian retType = mergeTypes(lbase->getResultType(), rbase->getResultType()); 43703d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (retType.isNull()) return QualType(); 43716de8b62ae42818c0bd8878b0d1900e17c7c43e0eFariborz Jahanian if (getCanonicalType(retType) != getCanonicalType(lbase->getResultType())) 437261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 43736de8b62ae42818c0bd8878b0d1900e17c7c43e0eFariborz Jahanian if (getCanonicalType(retType) != getCanonicalType(rbase->getResultType())) 437461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 43756a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: double check this 43766a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: should we error if lbase->getRegParmAttr() != 0 && 43776a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // rbase->getRegParmAttr() != 0 && 43786a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // lbase->getRegParmAttr() != rbase->getRegParmAttr()? 4379264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo lbaseInfo = lbase->getExtInfo(); 4380264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo rbaseInfo = rbase->getExtInfo(); 43816a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar unsigned RegParm = lbaseInfo.getRegParm() == 0 ? rbaseInfo.getRegParm() : 43826a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar lbaseInfo.getRegParm(); 43836a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar bool NoReturn = lbaseInfo.getNoReturn() || rbaseInfo.getNoReturn(); 43846a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar if (NoReturn != lbaseInfo.getNoReturn() || 43856a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar RegParm != lbaseInfo.getRegParm()) 43866a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allLTypes = false; 43876a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar if (NoReturn != rbaseInfo.getNoReturn() || 43886a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar RegParm != rbaseInfo.getRegParm()) 43896a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allRTypes = false; 4390264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola CallingConv lcc = lbaseInfo.getCC(); 4391264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola CallingConv rcc = rbaseInfo.getCC(); 4392ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor // Compatible functions must have compatible calling conventions 439304a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (!isSameCallConv(lcc, rcc)) 4394ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor return QualType(); 43951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43963d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto && rproto) { // two C99 style function prototypes 4397465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!lproto->hasExceptionSpec() && !rproto->hasExceptionSpec() && 4398465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl "C++ shouldn't be here"); 43993d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned lproto_nargs = lproto->getNumArgs(); 44003d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned rproto_nargs = rproto->getNumArgs(); 44013d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 44023d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Compatible functions must have the same number of arguments 44033d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto_nargs != rproto_nargs) 44043d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 44053d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 44063d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Variadic and non-variadic functions aren't compatible 44073d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto->isVariadic() != rproto->isVariadic()) 44083d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 44093d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 44107fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis if (lproto->getTypeQuals() != rproto->getTypeQuals()) 44117fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis return QualType(); 44127fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis 44133d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check argument compatibility 44143d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman llvm::SmallVector<QualType, 10> types; 44153d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < lproto_nargs; i++) { 44163d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType largtype = lproto->getArgType(i).getUnqualifiedType(); 44173d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType rargtype = rproto->getArgType(i).getUnqualifiedType(); 4418132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType argtype = mergeTypes(largtype, rargtype, OfBlockPointer); 44193d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argtype.isNull()) return QualType(); 44203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman types.push_back(argtype); 442161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(largtype)) 442261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 442361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(rargtype)) 442461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 44253d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 44263d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 44273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 44283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, types.begin(), types.size(), 44292455636163fdd18581d7fdae816433f886d88213Mike Stump lproto->isVariadic(), lproto->getTypeQuals(), 4430264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, false, 0, 0, 4431425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo(NoReturn, RegParm, lcc)); 44323d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 44333d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 44343d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto) allRTypes = false; 44353d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (rproto) allLTypes = false; 44363d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 443772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *proto = lproto ? lproto : rproto; 44383d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto) { 4439465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!proto->hasExceptionSpec() && "C++ shouldn't be here"); 44403d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto->isVariadic()) return QualType(); 44413d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check that the types are compatible with the types that 44423d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // would result from default argument promotions (C99 6.7.5.3p15). 44433d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // The only types actually affected are promotable integer 44443d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // types and floats, which would be passed as a different 44453d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // type depending on whether the prototype is visible. 44463d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned proto_nargs = proto->getNumArgs(); 44473d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < proto_nargs; ++i) { 44483d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType argTy = proto->getArgType(i); 4449b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 4450b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // Look at the promotion type of enum types, since that is the type used 4451b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // to pass enum values. 4452b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor if (const EnumType *Enum = argTy->getAs<EnumType>()) 4453b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor argTy = Enum->getDecl()->getPromotionType(); 4454b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 44553d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argTy->isPromotableIntegerType() || 44563d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman getCanonicalType(argTy).getUnqualifiedType() == FloatTy) 44573d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 44583d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 44593d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 44603d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 44613d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 44623d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, proto->arg_type_begin(), 44632d3c191e1d5545e1724ee6e0550c70eef54beff2Mike Stump proto->getNumArgs(), proto->isVariadic(), 4464264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola proto->getTypeQuals(), 4465264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, false, 0, 0, 4466425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo(NoReturn, RegParm, lcc)); 44673d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 44683d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 44693d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 44703d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 4471425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo Info(NoReturn, RegParm, lcc); 4472264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getFunctionNoProtoType(retType, Info); 44733d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 44743d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4475132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeTypes(QualType LHS, QualType RHS, 4476132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian bool OfBlockPointer) { 447743d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // C++ [expr]: If an expression initially has the type "reference to T", the 447843d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // type is adjusted to "T" prior to any further analysis, the expression 447943d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // designates the object or function denoted by the reference, and the 44807c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // expression is an lvalue unless the reference is an rvalue reference and 44817c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // the expression is a function call (possibly inside parentheses). 44820e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!LHS->getAs<ReferenceType>() && "LHS is a reference type?"); 44830e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!RHS->getAs<ReferenceType>() && "RHS is a reference type?"); 44840e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 44853d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSCan = getCanonicalType(LHS), 44863d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman RHSCan = getCanonicalType(RHS); 44873d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4488f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner // If two types are identical, they are compatible. 44893d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LHSCan == RHSCan) 44903d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 44913d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 44920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the qualifiers are different, the types aren't compatible... mostly. 4493a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers LQuals = LHSCan.getLocalQualifiers(); 4494a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers RQuals = RHSCan.getLocalQualifiers(); 44950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals != RQuals) { 44960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If any of these qualifiers are different, we have a type 44970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // mismatch. 44980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 44990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall LQuals.getAddressSpace() != RQuals.getAddressSpace()) 45000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 45010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 45020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Exactly one GC qualifier difference is allowed: __strong is 45030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // okay if the other type has no GC qualifier but is an Objective 45040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // C object pointer (i.e. implicitly strong by default). We fix 45050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // this by pretending that the unqualified type was actually 45060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualified __strong. 45070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 45080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 45090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 45100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 45110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 45120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 45130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 45140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Strong && RHSCan->isObjCObjectPointerType()) { 45150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(LHS, getObjCGCQualType(RHS, Qualifiers::Strong)); 45160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 45170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_R == Qualifiers::Strong && LHSCan->isObjCObjectPointerType()) { 45180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(getObjCGCQualType(LHS, Qualifiers::Strong), RHS); 45190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 45203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 45210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 45220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 45230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Okay, qualifiers are equal. 45243d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4525852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass LHSClass = LHSCan->getTypeClass(); 4526852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass RHSClass = RHSCan->getTypeClass(); 4527f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner 45281adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // We want to consider the two function types to be the same for these 45291adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // comparisons, just force one to the other. 45301adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (LHSClass == Type::FunctionProto) LHSClass = Type::FunctionNoProto; 45311adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (RHSClass == Type::FunctionProto) RHSClass = Type::FunctionNoProto; 45324c721d381fb279899337d120edd4a24d405e56b2Eli Friedman 45334c721d381fb279899337d120edd4a24d405e56b2Eli Friedman // Same as above for arrays 4534a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (LHSClass == Type::VariableArray || LHSClass == Type::IncompleteArray) 4535a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner LHSClass = Type::ConstantArray; 4536a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (RHSClass == Type::VariableArray || RHSClass == Type::IncompleteArray) 4537a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner RHSClass = Type::ConstantArray; 45381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4539c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // ObjCInterfaces are just specialized ObjCObjects. 4540c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHSClass == Type::ObjCInterface) LHSClass = Type::ObjCObject; 4541c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (RHSClass == Type::ObjCInterface) RHSClass = Type::ObjCObject; 4542c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4543213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman // Canonicalize ExtVector -> Vector. 4544213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (LHSClass == Type::ExtVector) LHSClass = Type::Vector; 4545213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (RHSClass == Type::ExtVector) RHSClass = Type::Vector; 45461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 45474e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff // If the canonical type classes don't match. 45484e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff if (LHSClass != RHSClass) { 45491adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // C99 6.7.2.2p4: Each enumerated type shall be compatible with char, 45501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // a signed integer type, or an unsigned integer type. 4551842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // Compatibility is based on the underlying type, not the promotion 4552842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // type. 4553183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = LHS->getAs<EnumType>()) { 45543d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == RHSCan.getUnqualifiedType()) 45553d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 4556bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 4557183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = RHS->getAs<EnumType>()) { 45583d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == LHSCan.getUnqualifiedType()) 45593d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 4560bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 45611adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner 45623d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 4563ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 45643d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 45654a74678ed6c3dedac05d02b1ee341f1db869f049Steve Naroff // The canonical type classes match. 45661adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner switch (LHSClass) { 456772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 456872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 4569ad5e73887052193afda72db8efcb812bd083a4a8John McCall#define NON_CANONICAL_UNLESS_DEPENDENT_TYPE(Class, Base) case Type::Class: 457072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 457172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 457272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 457372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Non-canonical and dependent types shouldn't get here"); 457472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 457572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 45767c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::LValueReference: 45777c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::RValueReference: 457872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::MemberPointer: 457972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "C++ should never be in mergeTypes"); 458072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 458172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 4582c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCInterface: 458372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 458472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::VariableArray: 458572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::FunctionProto: 458672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::ExtVector: 458772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Types are eliminated above"); 458872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 458972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 45901adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Pointer: 45913d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 45923d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Merge two pointer types, while trying to preserve typedef info 45936217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<PointerType>()->getPointeeType(); 45946217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<PointerType>()->getPointeeType(); 45953d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType ResultType = mergeTypes(LHSPointee, RHSPointee); 45963d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 459707d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 459861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 459907d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 460061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 46013d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getPointerType(ResultType); 46023d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 4603c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff case Type::BlockPointer: 4604c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff { 4605c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff // Merge two block pointer types, while trying to preserve typedef info 46066217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<BlockPointerType>()->getPointeeType(); 46076217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<BlockPointerType>()->getPointeeType(); 4608132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType ResultType = mergeTypes(LHSPointee, RHSPointee, OfBlockPointer); 4609c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (ResultType.isNull()) return QualType(); 4610c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 4611c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return LHS; 4612c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 4613c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return RHS; 4614c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return getBlockPointerType(ResultType); 4615c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff } 46161adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::ConstantArray: 46173d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 46183d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* LCAT = getAsConstantArrayType(LHS); 46193d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* RCAT = getAsConstantArrayType(RHS); 46203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LCAT && RCAT && RCAT->getSize() != LCAT->getSize()) 46213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 46223d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 46233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSElem = getAsArrayType(LHS)->getElementType(); 46243d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType RHSElem = getAsArrayType(RHS)->getElementType(); 46253d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType ResultType = mergeTypes(LHSElem, RHSElem); 46263d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 462761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LCAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 462861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 462961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RCAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 463061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 46313bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (LCAT) return getConstantArrayType(ResultType, LCAT->getSize(), 46323bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 46333bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (RCAT) return getConstantArrayType(ResultType, RCAT->getSize(), 46343bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 46353d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* LVAT = getAsVariableArrayType(LHS); 46363d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* RVAT = getAsVariableArrayType(RHS); 463761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LVAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 463861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 463961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RVAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 464061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 46413d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LVAT) { 46423d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 46433d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of LHS, but the type 46443d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 46453d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 46463d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 46473d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (RVAT) { 46483d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 46493d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of RHS, but the type 46503d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 46513d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 46523d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 46533bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(LHSElem) == getCanonicalType(ResultType)) return LHS; 46543bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(RHSElem) == getCanonicalType(ResultType)) return RHS; 46557e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return getIncompleteArrayType(ResultType, 46567e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArrayType::ArraySizeModifier(), 0); 46573d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 46581adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::FunctionNoProto: 4659132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return mergeFunctionTypes(LHS, RHS, OfBlockPointer); 466072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 466172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: 46623d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 46631adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Builtin: 46643cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner // Only exactly equal builtin types are compatible, which is tested above. 46653d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 466664cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar case Type::Complex: 466764cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar // Distinct complex types are incompatible. 466864cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar return QualType(); 46693cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner case Type::Vector: 46705a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: The merged type should be an ExtVector! 46711c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall if (areCompatVectorTypes(LHSCan->getAs<VectorType>(), 46721c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall RHSCan->getAs<VectorType>())) 46733d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 467461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return QualType(); 4675c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: { 4676c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Check if the types are assignment compatible. 46775a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: This should be type compatibility, e.g. whether 46785a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // "LHS x; RHS x;" at global scope is legal. 4679c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHSIface = LHS->getAs<ObjCObjectType>(); 4680c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHSIface = RHS->getAs<ObjCObjectType>(); 4681c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (canAssignObjCInterfaces(LHSIface, RHSIface)) 46825fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff return LHS; 46835fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff 46843d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 468561490e9a965cfee8a78c12c6802138844f04250dCedric Venet } 468614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff case Type::ObjCObjectPointer: { 4687132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (OfBlockPointer) { 4688132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (canAssignObjCInterfacesInBlockPointer( 4689132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian LHS->getAs<ObjCObjectPointerType>(), 4690132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian RHS->getAs<ObjCObjectPointerType>())) 4691132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return LHS; 4692132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return QualType(); 4693132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4694183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (canAssignObjCInterfaces(LHS->getAs<ObjCObjectPointerType>(), 4695183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall RHS->getAs<ObjCObjectPointerType>())) 469614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return LHS; 469714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4698bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff return QualType(); 4699132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4700ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 470172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 470272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 4703ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff} 47047192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek 47052390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// mergeObjCGCQualifiers - This routine merges ObjC's GC attribute of 'LHS' and 47062390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// 'RHS' attributes and returns the merged version; including for function 47072390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// return types. 47082390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz JahanianQualType ASTContext::mergeObjCGCQualifiers(QualType LHS, QualType RHS) { 47092390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSCan = getCanonicalType(LHS), 47102390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian RHSCan = getCanonicalType(RHS); 47112390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If two types are identical, they are compatible. 47122390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan == RHSCan) 47132390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 47142390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (RHSCan->isFunctionType()) { 47152390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (!LHSCan->isFunctionType()) 47162390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 47172390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType OldReturnType = 47182390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(RHSCan.getTypePtr())->getResultType(); 47192390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType NewReturnType = 47202390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(LHSCan.getTypePtr())->getResultType(); 47212390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResReturnType = 47222390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian mergeObjCGCQualifiers(NewReturnType, OldReturnType); 47232390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType.isNull()) 47242390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 47252390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType == NewReturnType || ResReturnType == OldReturnType) { 47262390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // id foo(); ... __strong id foo(); or: __strong id foo(); ... id foo(); 47272390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // In either case, use OldReturnType to build the new function type. 47282390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian const FunctionType *F = LHS->getAs<FunctionType>(); 47292390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (const FunctionProtoType *FPT = cast<FunctionProtoType>(F)) { 47302390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FunctionType::ExtInfo Info = getFunctionExtInfo(LHS); 47312390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResultType 47322390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian = getFunctionType(OldReturnType, FPT->arg_type_begin(), 47332390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->getNumArgs(), FPT->isVariadic(), 47342390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->getTypeQuals(), 47352390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->hasExceptionSpec(), 47362390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->hasAnyExceptionSpec(), 47372390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->getNumExceptions(), 47382390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->exception_begin(), 47392390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Info); 47402390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return ResultType; 47412390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 47422390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 47432390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 47442390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 47452390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 47462390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If the qualifiers are different, the types can still be merged. 47472390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers LQuals = LHSCan.getLocalQualifiers(); 47482390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers RQuals = RHSCan.getLocalQualifiers(); 47492390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals != RQuals) { 47502390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If any of these qualifiers are different, we have a type mismatch. 47512390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 47522390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian LQuals.getAddressSpace() != RQuals.getAddressSpace()) 47532390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 47542390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 47552390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // Exactly one GC qualifier difference is allowed: __strong is 47562390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // okay if the other type has no GC qualifier but is an Objective 47572390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // C object pointer (i.e. implicitly strong by default). We fix 47582390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // this by pretending that the unqualified type was actually 47592390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // qualified __strong. 47602390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 47612390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 47622390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 47632390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 47642390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 47652390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 47662390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 47672390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Strong) 47682390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 47692390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_R == Qualifiers::Strong) 47702390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 47712390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 47722390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 47732390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 47742390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan->isObjCObjectPointerType() && RHSCan->isObjCObjectPointerType()) { 47752390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSBaseQT = LHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 47762390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType RHSBaseQT = RHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 47772390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResQT = mergeObjCGCQualifiers(LHSBaseQT, RHSBaseQT); 47782390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == LHSBaseQT) 47792390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 47802390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == RHSBaseQT) 47812390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 47822390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 47832390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 47842390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian} 47852390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 47865426bf6456a5aeac416a9150de157904d101c819Chris Lattner//===----------------------------------------------------------------------===// 4787ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman// Integer Predicates 4788ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman//===----------------------------------------------------------------------===// 478988054dee0402e4d3c1f64e6b697acc47195c0d72Chris Lattner 4790ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedmanunsigned ASTContext::getIntWidth(QualType T) { 4791632d772a78db7e2cd9b36f8a22aee49d44486fbfSebastian Redl if (T->isBooleanType()) 4792ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return 1; 4793842aef8d942a880eeb9535d40de31a86838264cbJohn McCall if (EnumType *ET = dyn_cast<EnumType>(T)) 479429a7f3342c3c6dd15d914c61ae22246c36d51ce7Eli Friedman T = ET->getDecl()->getIntegerType(); 4795f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // For builtin types, just use the standard type sizing method 4796ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return (unsigned)getTypeSize(T); 4797ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 4798ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 4799ad74a758189180b8ab8faea648e4766c3bfd7fcbEli FriedmanQualType ASTContext::getCorrespondingUnsignedType(QualType T) { 4800ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman assert(T->isSignedIntegerType() && "Unexpected type"); 48016a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 48026a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // Turn <4 x signed int> -> <4 x unsigned int> 48036a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const VectorType *VTy = T->getAs<VectorType>()) 48046a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner return getVectorType(getCorrespondingUnsignedType(VTy->getElementType()), 480582287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VTy->getNumElements(), VTy->isAltiVec(), VTy->isPixel()); 48066a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 48076a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // For enums, we return the unsigned version of the base type. 48086a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const EnumType *ETy = T->getAs<EnumType>()) 4809ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman T = ETy->getDecl()->getIntegerType(); 48106a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 48116a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner const BuiltinType *BTy = T->getAs<BuiltinType>(); 48126a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner assert(BTy && "Unexpected signed integer type"); 4813ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman switch (BTy->getKind()) { 4814ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Char_S: 4815ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::SChar: 4816ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedCharTy; 4817ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Short: 4818ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedShortTy; 4819ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Int: 4820ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedIntTy; 4821ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Long: 4822ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongTy; 4823ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::LongLong: 4824ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongLongTy; 48252df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 48262df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return UnsignedInt128Ty; 4827ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman default: 4828ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman assert(0 && "Unexpected signed integer type"); 4829ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return QualType(); 4830ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman } 4831ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 4832ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 48332cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorExternalASTSource::~ExternalASTSource() { } 48342cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 48352cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregorvoid ExternalASTSource::PrintStats() { } 483686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 483786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 483886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 483986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner// Builtin Type Computation 484086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 484186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 484286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// DecodeTypeFromStr - This decodes one type descriptor from Str, advancing the 484386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// pointer over the consumed characters. This returns the resultant type. 48441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic QualType DecodeTypeFromStr(const char *&Str, ASTContext &Context, 484586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ASTContext::GetBuiltinTypeError &Error, 484686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool AllowTypeModifiers = true) { 484786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Modifiers. 484886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner int HowLong = 0; 484986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Signed = false, Unsigned = false; 48501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 485186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Read the modifiers first. 485286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Done = false; 485386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 485486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 48551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: Done = true; --Str; break; 485686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'S': 485786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use both 'S' and 'U' modifiers!"); 485886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use 'S' modifier multiple times!"); 485986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Signed = true; 486086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 486186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'U': 486286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use both 'S' and 'U' modifiers!"); 486386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use 'S' modifier multiple times!"); 486486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Unsigned = true; 486586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 486686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'L': 486786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong <= 2 && "Can't have LLLL modifier"); 486886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ++HowLong; 486986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 487086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 487186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 487286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 487386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType Type; 48741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 487586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Read the base type. 487686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 487786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner default: assert(0 && "Unknown builtin type letter!"); 487886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'v': 487986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 488086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'v'!"); 488186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.VoidTy; 488286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 488386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'f': 488486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 488586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'f'!"); 488686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.FloatTy; 488786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 488886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'd': 488986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong < 2 && !Signed && !Unsigned && 489086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'd'!"); 489186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong) 489286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.LongDoubleTy; 489386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 489486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.DoubleTy; 489586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 489686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 's': 489786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 's'!"); 489886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Unsigned) 489986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedShortTy; 490086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 490186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.ShortTy; 490286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 490386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'i': 490486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong == 3) 490586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedInt128Ty : Context.Int128Ty; 490686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 2) 490786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongLongTy : Context.LongLongTy; 490886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 1) 490986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongTy : Context.LongTy; 491086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 491186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedIntTy : Context.IntTy; 491286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 491386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'c': 491486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 'c'!"); 491586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Signed) 491686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.SignedCharTy; 491786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (Unsigned) 491886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedCharTy; 491986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 492086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.CharTy; 492186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 492286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'b': // boolean 492386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'b'!"); 492486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.BoolTy; 492586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 492686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'z': // size_t. 492786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'z'!"); 492886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getSizeType(); 492986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 493086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'F': 493186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getCFConstantStringType(); 493286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 493386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'a': 493486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 493586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 493686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 493786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'A': 493886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // This is a "reference" to a va_list; however, what exactly 493986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // this means depends on how va_list is defined. There are two 494086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // different kinds of va_list: ones passed by value, and ones 494186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // passed by reference. An example of a by-value va_list is 494286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // x86, where va_list is a char*. An example of by-ref va_list 494386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // is x86-64, where va_list is a __va_list_tag[1]. For x86, 494486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // we want this argument to be a char*&; for x86-64, we want 494586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // it to be a __va_list_tag*. 494686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 494786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 494886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Type->isArrayType()) { 494986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getArrayDecayedType(Type); 495086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } else { 495186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getLValueReferenceType(Type); 495286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 495386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 495486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'V': { 495586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner char *End; 495686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner unsigned NumElements = strtoul(Str, &End, 10); 495786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(End != Str && "Missing vector size"); 49581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 495986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Str = End; 49601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 496186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, false); 496282287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson // FIXME: Don't know what to do about AltiVec. 496382287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson Type = Context.getVectorType(ElementType, NumElements, false, false); 496486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 496586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 4966d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor case 'X': { 4967d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor QualType ElementType = DecodeTypeFromStr(Str, Context, Error, false); 4968d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor Type = Context.getComplexType(ElementType); 4969d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor break; 4970d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor } 49719a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'P': 4972c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor Type = Context.getFILEType(); 4973c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor if (Type.isNull()) { 4974f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_stdio; 497586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 497686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 4977fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 49789a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'J': 4979f711c41dd9412a8182793259d355c4f6979ed5edMike Stump if (Signed) 4980782fa308a765aeac2acb39c4e697c937ec21185bMike Stump Type = Context.getsigjmp_bufType(); 4981f711c41dd9412a8182793259d355c4f6979ed5edMike Stump else 4982f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Type = Context.getjmp_bufType(); 4983f711c41dd9412a8182793259d355c4f6979ed5edMike Stump 4984fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump if (Type.isNull()) { 4985f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_setjmp; 4986fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump return QualType(); 4987fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump } 4988fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 4989782fa308a765aeac2acb39c4e697c937ec21185bMike Stump } 49901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 499186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (!AllowTypeModifiers) 499286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return Type; 49931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 499486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Done = false; 499586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 4996187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall switch (char c = *Str++) { 499786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner default: Done = true; --Str; break; 499886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case '*': 499986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case '&': 5000187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall { 5001187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall // Both pointers and references can have their pointee types 5002187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall // qualified with an address space. 5003187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall char *End; 5004187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall unsigned AddrSpace = strtoul(Str, &End, 10); 5005187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall if (End != Str && AddrSpace != 0) { 5006187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall Type = Context.getAddrSpaceQualType(Type, AddrSpace); 5007187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall Str = End; 5008187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall } 5009187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall } 5010187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall if (c == '*') 5011187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall Type = Context.getPointerType(Type); 5012187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall else 5013187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall Type = Context.getLValueReferenceType(Type); 501486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 501586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // FIXME: There's no way to have a built-in with an rvalue ref arg. 501686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'C': 50170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Type = Type.withConst(); 501886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 5019013af39d2a6a2e684f5a458c97890c52cddb7157Fariborz Jahanian case 'D': 5020013af39d2a6a2e684f5a458c97890c52cddb7157Fariborz Jahanian Type = Context.getVolatileType(Type); 5021013af39d2a6a2e684f5a458c97890c52cddb7157Fariborz Jahanian break; 502286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 502386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 50241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 502586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return Type; 502686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 502786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 502886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// GetBuiltinType - Return the type for the specified builtin. 502986df27bbdbb98c39ec2184695c0561209f91beddChris LattnerQualType ASTContext::GetBuiltinType(unsigned id, 503086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner GetBuiltinTypeError &Error) { 503186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner const char *TypeStr = BuiltinInfo.GetTypeString(id); 50321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 503386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner llvm::SmallVector<QualType, 8> ArgTypes; 50341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 503586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Error = GE_None; 503686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType ResType = DecodeTypeFromStr(TypeStr, *this, Error); 503786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 503886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 503986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (TypeStr[0] && TypeStr[0] != '.') { 504086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType Ty = DecodeTypeFromStr(TypeStr, *this, Error); 504186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 504286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 504386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 504486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Do array -> pointer decay. The builtin should use the decayed type. 504586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Ty->isArrayType()) 504686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Ty = getArrayDecayedType(Ty); 50471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 504886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ArgTypes.push_back(Ty); 504986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 505086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 505186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert((TypeStr[0] != '.' || TypeStr[1] == 0) && 505286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "'.' should only occur at end of builtin type list!"); 505386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 505486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // handle untyped/variadic arguments "T c99Style();" or "T cppStyle(...);". 505586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (ArgTypes.size() == 0 && TypeStr[0] == '.') 505686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return getFunctionNoProtoType(ResType); 5057ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor 5058ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor // FIXME: Should we create noreturn types? 505986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return getFunctionType(ResType, ArgTypes.data(), ArgTypes.size(), 5060ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor TypeStr[0] == '.', 0, false, false, 0, 0, 5061264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo()); 506286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 5063a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 5064a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli FriedmanQualType 5065a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli FriedmanASTContext::UsualArithmeticConversionsType(QualType lhs, QualType rhs) { 5066a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Perform the usual unary conversions. We do this early so that 5067a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // integral promotions to "int" can allow us to exit early, in the 5068a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // lhs == rhs check. Also, for conversion purposes, we ignore any 5069a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // qualifiers. For example, "const float" and "float" are 5070a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // equivalent. 5071a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isPromotableIntegerType()) 5072a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman lhs = getPromotedIntegerType(lhs); 5073a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman else 5074a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman lhs = lhs.getUnqualifiedType(); 5075a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (rhs->isPromotableIntegerType()) 5076a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhs = getPromotedIntegerType(rhs); 5077a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman else 5078a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhs = rhs.getUnqualifiedType(); 5079a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 5080a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // If both types are identical, no conversion is needed. 5081a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs == rhs) 5082a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 50831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5084a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // If either side is a non-arithmetic type (e.g. a pointer), we are done. 5085a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The caller can deal with this (e.g. pointer + int). 5086a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (!lhs->isArithmeticType() || !rhs->isArithmeticType()) 5087a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 50881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 50891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // At this point, we have two different arithmetic types. 50901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5091a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Handle complex types first (C99 6.3.1.8p1). 5092a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isComplexType() || rhs->isComplexType()) { 5093a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // if we have an integer operand, the result is the complex type. 50941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (rhs->isIntegerType() || rhs->isComplexIntegerType()) { 5095a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the rhs to the lhs complex type. 5096a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5097a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 50981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isIntegerType() || lhs->isComplexIntegerType()) { 5099a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the lhs to the rhs complex type. 5100a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5101a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5102a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // This handles complex/complex, complex/float, or float/complex. 51031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // When both operands are complex, the shorter operand is converted to the 51041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // type of the longer, and that is the type of the result. This corresponds 51051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // to what is done when combining two real floating-point operands. 51061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // The fun begins when size promotion occur across type domains. 5107a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // From H&S 6.3.4: When one operand is complex and the other is a real 51081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // floating-point type, the less precise type is converted, within it's 5109a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // real or complex domain, to the precision of the other type. For example, 51101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // when combining a "long double" with a "double _Complex", the 5111a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // "double _Complex" is promoted to "long double _Complex". 5112a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman int result = getFloatingTypeOrder(lhs, rhs); 51131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 51141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (result > 0) { // The left side is bigger, convert rhs. 5115a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhs = getFloatingTypeOfSizeWithinDomain(lhs, rhs); 51161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } else if (result < 0) { // The right side is bigger, convert lhs. 5117a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman lhs = getFloatingTypeOfSizeWithinDomain(rhs, lhs); 51181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 5119a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // At this point, lhs and rhs have the same rank/size. Now, make sure the 5120a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // domains match. This is a requirement for our implementation, C99 5121a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // does not require this promotion. 5122a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs != rhs) { // Domains don't match, we have complex/float mix. 5123a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isRealFloatingType()) { // handle "double, _Complex double". 5124a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5125a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else { // handle "_Complex double, double". 5126a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5127a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5128a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5129a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; // The domain/size match exactly. 5130a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5131a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Now handle "real" floating types (i.e. float, double, long double). 5132a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isRealFloatingType() || rhs->isRealFloatingType()) { 5133a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // if we have an integer operand, the result is the real floating type. 5134a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (rhs->isIntegerType()) { 5135a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert rhs to the lhs floating point type. 5136a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5137a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5138a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (rhs->isComplexIntegerType()) { 5139a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert rhs to the complex floating point type. 5140a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return getComplexType(lhs); 5141a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5142a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isIntegerType()) { 5143a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert lhs to the rhs floating point type. 5144a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5145a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 51461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isComplexIntegerType()) { 5147a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert lhs to the complex floating point type. 5148a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return getComplexType(rhs); 5149a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5150a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // We have two real floating types, float/complex combos were handled above. 5151a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Convert the smaller operand to the bigger result. 5152a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman int result = getFloatingTypeOrder(lhs, rhs); 5153a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (result > 0) // convert the rhs 5154a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5155a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(result < 0 && "illegal float comparison"); 5156a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; // convert the lhs 5157a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5158a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isComplexIntegerType() || rhs->isComplexIntegerType()) { 5159a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Handle GCC complex int extension. 5160a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman const ComplexType *lhsComplexInt = lhs->getAsComplexIntegerType(); 5161a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman const ComplexType *rhsComplexInt = rhs->getAsComplexIntegerType(); 5162a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 5163a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhsComplexInt && rhsComplexInt) { 51641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (getIntegerTypeOrder(lhsComplexInt->getElementType(), 5165a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhsComplexInt->getElementType()) >= 0) 5166a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; // convert the rhs 5167a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5168a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (lhsComplexInt && rhs->isIntegerType()) { 5169a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the rhs to the lhs complex type. 5170a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5171a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (rhsComplexInt && lhs->isIntegerType()) { 5172a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the lhs to the rhs complex type. 5173a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5174a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5175a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5176a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Finally, we have two differing integer types. 5177a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The rules for this case are in C99 6.3.1.8 5178a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman int compare = getIntegerTypeOrder(lhs, rhs); 5179a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman bool lhsSigned = lhs->isSignedIntegerType(), 5180a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhsSigned = rhs->isSignedIntegerType(); 5181a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman QualType destType; 5182a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhsSigned == rhsSigned) { 5183a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Same signedness; use the higher-ranked type 5184a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = compare >= 0 ? lhs : rhs; 5185a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (compare != (lhsSigned ? 1 : -1)) { 5186a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The unsigned type has greater than or equal rank to the 5187a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // signed type, so use the unsigned type 5188a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = lhsSigned ? rhs : lhs; 5189a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (getIntWidth(lhs) != getIntWidth(rhs)) { 5190a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The two types are different widths; if we are here, that 5191a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // means the signed type is larger than the unsigned type, so 5192a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // use the signed type. 5193a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = lhsSigned ? lhs : rhs; 5194a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else { 5195a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The signed type is higher-ranked than the unsigned type, 5196a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // but isn't actually any bigger (like unsigned int and long 5197a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // on most 32-bit systems). Use the unsigned type corresponding 5198a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // to the signed type. 5199a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = getCorrespondingUnsignedType(lhsSigned ? lhs : rhs); 5200a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5201a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return destType; 5202a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman} 5203