ASTContext.cpp revision efed5c832de630715dd42211dd3b2aab5dd97a1b
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- ASTContext.cpp - Context to hold long-lived AST nodes ------------===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 75f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 85f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 95f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// This file implements the ASTContext interface. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/AST/ASTContext.h" 15bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck#include "clang/AST/CharUnits.h" 1649aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis#include "clang/AST/DeclCXX.h" 17980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff#include "clang/AST/DeclObjC.h" 18aaba5e346dffdbad5d1c42765a89e4a7afb0da67Douglas Gregor#include "clang/AST/DeclTemplate.h" 19b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis#include "clang/AST/TypeLoc.h" 20e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar#include "clang/AST/Expr.h" 21ea1471e0e967548c596a71469702f8846dbaf3c0John McCall#include "clang/AST/ExprCXX.h" 222cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor#include "clang/AST/ExternalASTSource.h" 2319cc4abea06a9b49e0e16a50d335c064cd723572Anders Carlsson#include "clang/AST/RecordLayout.h" 241b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner#include "clang/Basic/Builtins.h" 25a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner#include "clang/Basic/SourceManager.h" 265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Basic/TargetInfo.h" 27f5942a44880be26878592eb052b737579349411eBenjamin Kramer#include "llvm/ADT/SmallString.h" 2885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson#include "llvm/ADT/StringExtras.h" 296fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman#include "llvm/Support/MathExtras.h" 30f5942a44880be26878592eb052b737579349411eBenjamin Kramer#include "llvm/Support/raw_ostream.h" 3129445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerenum FloatingRank { 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatRank, DoubleRank, LongDoubleRank 365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3861710854be2b098428aff5316e64bd34b30fbcb7Chris LattnerASTContext::ASTContext(const LangOptions& LOpts, SourceManager &SM, 39444be7366d0a1e172c0290a1ea54c1cb16b5947cDaniel Dunbar const TargetInfo &t, 40e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar IdentifierTable &idents, SelectorTable &sels, 411b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner Builtin::Context &builtins, 421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool FreeMem, unsigned size_reserve) : 43ef99001908e799c388f1363b1e607dad5f5b57d3John McCall TemplateSpecializationTypes(this_()), 44ef99001908e799c388f1363b1e607dad5f5b57d3John McCall DependentTemplateSpecializationTypes(this_()), 451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump GlobalNestedNameSpecifier(0), CFConstantStringTypeDecl(0), 462bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl(0), 47782fa308a765aeac2acb39c4e697c937ec21185bMike Stump ObjCFastEnumerationStateTypeDecl(0), FILEDecl(0), jmp_bufDecl(0), 48083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump sigjmp_bufDecl(0), BlockDescriptorType(0), BlockDescriptorExtendedType(0), 49bf1a028246d884a540aeafa38e89be59a269b072John McCall NullTypeSourceInfo(QualType()), 50c6fbbedb3e90ff2f04828c36fd839e01468679f5Douglas Gregor SourceMgr(SM), LangOpts(LOpts), FreeMemory(FreeMem), Target(t), 512e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor Idents(idents), Selectors(sels), 52ac9590effa90406767a544005ed1de52e258306bTed Kremenek BuiltinInfo(builtins), 53ac9590effa90406767a544005ed1de52e258306bTed Kremenek DeclarationNames(*this), 54ac9590effa90406767a544005ed1de52e258306bTed Kremenek ExternalSource(0), PrintingPolicy(LOpts), 550c01d18094100db92d38daa923c95661512db203John McCall LastSDM(0, 0) { 560f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall ObjCIdRedefinitionType = QualType(); 570f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall ObjCClassRedefinitionType = QualType(); 58369a3bd9979cf529eed529aa037de713c213e47dFariborz Jahanian ObjCSelRedefinitionType = QualType(); 591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (size_reserve > 0) Types.reserve(size_reserve); 60e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar TUDecl = TranslationUnitDecl::Create(*this); 6114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff InitBuiltinTypes(); 62e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar} 63e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar 645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerASTContext::~ASTContext() { 653478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // Release the DenseMaps associated with DeclContext objects. 663478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // FIXME: Is this the ideal solution? 673478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek ReleaseDeclContextMaps(); 687d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 690054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor if (!FreeMemory) { 700054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor // Call all of the deallocation functions. 710054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor for (unsigned I = 0, N = Deallocations.size(); I != N; ++I) 720054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor Deallocations[I].first(Deallocations[I].second); 730054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor } 740054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 757d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor // Release all of the memory associated with overridden C++ methods. 767d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor for (llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::iterator 777d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM = OverriddenMethods.begin(), OMEnd = OverriddenMethods.end(); 787d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM != OMEnd; ++OM) 797d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM->second.Destroy(); 803478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek 81bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek if (FreeMemory) { 82bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek // Deallocate all the types. 83bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek while (!Types.empty()) { 84bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek Types.back()->Destroy(*this); 85bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek Types.pop_back(); 86bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek } 87b26153c2b06934b6d39886cae2a379988d9c3e2bEli Friedman 88bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek for (llvm::FoldingSet<ExtQuals>::iterator 89bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek I = ExtQualNodes.begin(), E = ExtQualNodes.end(); I != E; ) { 90bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek // Increment in loop to prevent using deallocated memory. 910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Deallocate(&*I++); 92bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek } 930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 94503524acc73f2f8280080ca0d200377406001b65Ted Kremenek for (llvm::DenseMap<const ObjCContainerDecl*, 95503524acc73f2f8280080ca0d200377406001b65Ted Kremenek const ASTRecordLayout*>::iterator 96503524acc73f2f8280080ca0d200377406001b65Ted Kremenek I = ObjCLayouts.begin(), E = ObjCLayouts.end(); I != E; ) { 97503524acc73f2f8280080ca0d200377406001b65Ted Kremenek // Increment in loop to prevent using deallocated memory. 98503524acc73f2f8280080ca0d200377406001b65Ted Kremenek if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 99503524acc73f2f8280080ca0d200377406001b65Ted Kremenek R->Destroy(*this); 100503524acc73f2f8280080ca0d200377406001b65Ted Kremenek } 101b74668edbc119880eb0a7e563432314432cb775dNuno Lopes } 102b74668edbc119880eb0a7e563432314432cb775dNuno Lopes 103dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek // ASTRecordLayout objects in ASTRecordLayouts must always be destroyed 104dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek // even when using the BumpPtrAllocator because they can contain 105dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek // DenseMaps. 106dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek for (llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*>::iterator 107dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek I = ASTRecordLayouts.begin(), E = ASTRecordLayouts.end(); I != E; ) { 108dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek // Increment in loop to prevent using deallocated memory. 109dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 110dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek R->Destroy(*this); 111dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek } 112dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek 113ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor // Destroy nested-name-specifiers. 1141ae0afaf14b7ce9bed33c1fe51077d01a313434dDouglas Gregor for (llvm::FoldingSet<NestedNameSpecifier>::iterator 1151ae0afaf14b7ce9bed33c1fe51077d01a313434dDouglas Gregor NNS = NestedNameSpecifiers.begin(), 1161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NNSEnd = NestedNameSpecifiers.end(); 117bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek NNS != NNSEnd; ) { 118bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek // Increment in loop to prevent using deallocated memory. 1191ae0afaf14b7ce9bed33c1fe51077d01a313434dDouglas Gregor (*NNS++).Destroy(*this); 120bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek } 121ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 122ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor if (GlobalNestedNameSpecifier) 123ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor GlobalNestedNameSpecifier->Destroy(*this); 124ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 125b26153c2b06934b6d39886cae2a379988d9c3e2bEli Friedman TUDecl->Destroy(*this); 1265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1280054531488928a424666ac11fcdc6bcc5112de52Douglas Gregorvoid ASTContext::AddDeallocation(void (*Callback)(void*), void *Data) { 1290054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor Deallocations.push_back(std::make_pair(Callback, Data)); 1300054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor} 1310054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 1321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 1332cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorASTContext::setExternalSource(llvm::OwningPtr<ExternalASTSource> &Source) { 1342cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource.reset(Source.take()); 1352cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor} 1362cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 1375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::PrintStats() const { 1385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, "*** AST Context Stats:\n"); 1395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, " %d types total.\n", (int)Types.size()); 1407c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 141dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned counts[] = { 1421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump#define TYPE(Name, Parent) 0, 143dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 144dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 145dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor 0 // Extra 146dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor }; 147c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor 1485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0, e = Types.size(); i != e; ++i) { 1495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type *T = Types[i]; 150dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor counts[(unsigned)T->getTypeClass()]++; 1515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 153dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned Idx = 0; 154dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned TotalBytes = 0; 155dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define TYPE(Name, Parent) \ 156dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor if (counts[Idx]) \ 157dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor fprintf(stderr, " %d %s types\n", (int)counts[Idx], #Name); \ 158dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor TotalBytes += counts[Idx] * sizeof(Name##Type); \ 159dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor ++Idx; 160dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 161dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 1621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 163dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor fprintf(stderr, "Total bytes = %d\n", int(TotalBytes)); 1642cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 1652cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor if (ExternalSource.get()) { 1662cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor fprintf(stderr, "\n"); 1672cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource->PrintStats(); 1682cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor } 1695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 172e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallvoid ASTContext::InitBuiltinType(CanQualType &R, BuiltinType::Kind K) { 1736b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BuiltinType *Ty = new (*this, TypeAlignment) BuiltinType(K); 174e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall R = CanQualType::CreateUnsafe(QualType(Ty, 0)); 1756b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Types.push_back(Ty); 1765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::InitBuiltinTypes() { 1795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(VoidTy.isNull() && "Context reinitialized?"); 1801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p19. 1825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(VoidTy, BuiltinType::Void); 1831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p2. 1855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(BoolTy, BuiltinType::Bool); 1865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p3. 18715b91764d08e886391c865c4a444d7b51141c284Eli Friedman if (LangOpts.CharIsSigned) 1885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_S); 1895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 1905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_U); 1915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p4. 1925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(SignedCharTy, BuiltinType::SChar); 1935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(ShortTy, BuiltinType::Short); 1945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(IntTy, BuiltinType::Int); 1955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongTy, BuiltinType::Long); 1965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongLongTy, BuiltinType::LongLong); 1971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p6. 1995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedCharTy, BuiltinType::UChar); 2005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedShortTy, BuiltinType::UShort); 2015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedIntTy, BuiltinType::UInt); 2025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongTy, BuiltinType::ULong); 2035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongLongTy, BuiltinType::ULongLong); 2041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p10. 2065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(FloatTy, BuiltinType::Float); 2075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(DoubleTy, BuiltinType::Double); 2085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongDoubleTy, BuiltinType::LongDouble); 20964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 2102df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner // GNU extension, 128-bit integers. 2112df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(Int128Ty, BuiltinType::Int128); 2122df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(UnsignedInt128Ty, BuiltinType::UInt128); 2132df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner 2143a2503227c3db04a3619735127483263c1075ef7Chris Lattner if (LangOpts.CPlusPlus) // C++ 3.9.1p5 2153a2503227c3db04a3619735127483263c1075ef7Chris Lattner InitBuiltinType(WCharTy, BuiltinType::WChar); 2163a2503227c3db04a3619735127483263c1075ef7Chris Lattner else // C99 2173a2503227c3db04a3619735127483263c1075ef7Chris Lattner WCharTy = getFromTargetType(Target.getWCharType()); 21864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 219f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 220f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char16Ty, BuiltinType::Char16); 221f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 222f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char16Ty = getFromTargetType(Target.getChar16Type()); 223f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 224f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 225f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char32Ty, BuiltinType::Char32); 226f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 227f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char32Ty = getFromTargetType(Target.getChar32Type()); 228f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 2298e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor // Placeholder type for functions. 230898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor InitBuiltinType(OverloadTy, BuiltinType::Overload); 231898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 232898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // Placeholder type for type-dependent expressions whose type is 233898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // completely unknown. No code should ever check a type against 234898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // DependentTy and users should never see it; however, it is here to 235898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // help diagnose failures to properly check for type-dependent 236898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // expressions. 237898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor InitBuiltinType(DependentTy, BuiltinType::Dependent); 2388e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 2391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Placeholder type for C++0x auto declarations whose real type has 240e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson // not yet been deduced. 241e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson InitBuiltinType(UndeducedAutoTy, BuiltinType::UndeducedAuto); 2421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p11. 2445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatComplexTy = getComplexType(FloatTy); 2455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DoubleComplexTy = getComplexType(DoubleTy); 2465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongDoubleComplexTy = getComplexType(LongDoubleTy); 2478e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 2487e219e47de26346885d667131977bd9ca2d7662aSteve Naroff BuiltinVaListType = QualType(); 2491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 250de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // "Builtin" typedefs set by Sema::ActOnTranslationUnitScope(). 251de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = QualType(); 252de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = QualType(); 25313dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = QualType(); 2541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25513dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian // Builtin types for 'id', 'Class', and 'SEL'. 256de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinIdTy, BuiltinType::ObjCId); 257de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinClassTy, BuiltinType::ObjCClass); 25813dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian InitBuiltinType(ObjCBuiltinSelTy, BuiltinType::ObjCSel); 25914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 260a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = QualType(); 2611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // void * type 26333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian VoidPtrTy = getPointerType(VoidTy); 2646e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 2656e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl // nullptr type (C++0x 2.14.7) 2666e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl InitBuiltinType(NullPtrTy, BuiltinType::NullPtr); 2675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 2685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 269251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorMemberSpecializationInfo * 270663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas GregorASTContext::getInstantiatedFromStaticDataMember(const VarDecl *Var) { 2717caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Var->isStaticDataMember() && "Not a static data member"); 272663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor llvm::DenseMap<const VarDecl *, MemberSpecializationInfo *>::iterator Pos 2737caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor = InstantiatedFromStaticDataMember.find(Var); 2747caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Pos == InstantiatedFromStaticDataMember.end()) 2757caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return 0; 2761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2777caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return Pos->second; 2787caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 2797caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 2801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 281251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorASTContext::setInstantiatedFromStaticDataMember(VarDecl *Inst, VarDecl *Tmpl, 282251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor TemplateSpecializationKind TSK) { 2837caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Inst->isStaticDataMember() && "Not a static data member"); 2847caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Tmpl->isStaticDataMember() && "Not a static data member"); 2857caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(!InstantiatedFromStaticDataMember[Inst] && 2867caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor "Already noted what static data member was instantiated from"); 287251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor InstantiatedFromStaticDataMember[Inst] 288251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor = new (*this) MemberSpecializationInfo(Tmpl, TSK); 2897caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 2907caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 2917ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallNamedDecl * 292ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingDecl(UsingDecl *UUD) { 2937ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall llvm::DenseMap<UsingDecl *, NamedDecl *>::const_iterator Pos 294ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingDecl.find(UUD); 295ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingDecl.end()) 2960d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return 0; 2971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2980d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return Pos->second; 2990d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 3000d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 3010d8df780aef1acda5962347a32591efc629b6748Anders Carlssonvoid 302ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingDecl(UsingDecl *Inst, NamedDecl *Pattern) { 303ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert((isa<UsingDecl>(Pattern) || 304ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingValueDecl>(Pattern) || 305ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingTypenameDecl>(Pattern)) && 306ed97649e9574b9d854fa4d6109c9333ae0993554John McCall "pattern decl is not a using decl"); 307ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingDecl[Inst] && "pattern already exists"); 308ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingDecl[Inst] = Pattern; 309ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 310ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 311ed97649e9574b9d854fa4d6109c9333ae0993554John McCallUsingShadowDecl * 312ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst) { 313ed97649e9574b9d854fa4d6109c9333ae0993554John McCall llvm::DenseMap<UsingShadowDecl*, UsingShadowDecl*>::const_iterator Pos 314ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingShadowDecl.find(Inst); 315ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingShadowDecl.end()) 316ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return 0; 317ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 318ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Pos->second; 319ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 320ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 321ed97649e9574b9d854fa4d6109c9333ae0993554John McCallvoid 322ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst, 323ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingShadowDecl *Pattern) { 324ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingShadowDecl[Inst] && "pattern already exists"); 325ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingShadowDecl[Inst] = Pattern; 3260d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 3270d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 328d8b285fee4471f393da8ee30f552ceacdc362afaAnders CarlssonFieldDecl *ASTContext::getInstantiatedFromUnnamedFieldDecl(FieldDecl *Field) { 329d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson llvm::DenseMap<FieldDecl *, FieldDecl *>::iterator Pos 330d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson = InstantiatedFromUnnamedFieldDecl.find(Field); 331d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson if (Pos == InstantiatedFromUnnamedFieldDecl.end()) 332d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return 0; 3331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 334d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return Pos->second; 335d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 336d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 337d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlssonvoid ASTContext::setInstantiatedFromUnnamedFieldDecl(FieldDecl *Inst, 338d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson FieldDecl *Tmpl) { 339d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Inst->getDeclName() && "Instantiated field decl is not unnamed"); 340d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Tmpl->getDeclName() && "Template field decl is not unnamed"); 341d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!InstantiatedFromUnnamedFieldDecl[Inst] && 342d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson "Already noted what unnamed field was instantiated from"); 3431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 344d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson InstantiatedFromUnnamedFieldDecl[Inst] = Tmpl; 345d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 346d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 3477d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 3487d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_begin(const CXXMethodDecl *Method) const { 3497d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 3507d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 3517d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 3527d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 3537d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3547d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.begin(); 3557d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 3567d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3577d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 3587d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_end(const CXXMethodDecl *Method) const { 3597d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 3607d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 3617d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 3627d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 3637d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3647d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.end(); 3657d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 3667d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3677d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregorvoid ASTContext::addOverriddenMethod(const CXXMethodDecl *Method, 3687d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor const CXXMethodDecl *Overridden) { 3697d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OverriddenMethods[Method].push_back(Overridden); 3707d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 3717d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 3722e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregornamespace { 3731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump class BeforeInTranslationUnit 3742e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor : std::binary_function<SourceRange, SourceRange, bool> { 3752e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor SourceManager *SourceMgr; 3761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3772e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor public: 3782e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor explicit BeforeInTranslationUnit(SourceManager *SM) : SourceMgr(SM) { } 3791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3802e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor bool operator()(SourceRange X, SourceRange Y) { 3812e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor return SourceMgr->isBeforeInTranslationUnit(X.getBegin(), Y.getBegin()); 3822e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor } 3832e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor }; 3842e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor} 3852e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor 386464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 387464175bba1318bef7905122e9fda20cff926df78Chris Lattner// Type Sizing and Analysis 388464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 389a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 390b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 391b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// scalar floating point type. 392b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattnerconst llvm::fltSemantics &ASTContext::getFloatTypeSemantics(QualType T) const { 393183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const BuiltinType *BT = T->getAs<BuiltinType>(); 394b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner assert(BT && "Not a floating point type!"); 395b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner switch (BT->getKind()) { 396b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner default: assert(0 && "Not a floating point type!"); 397b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Float: return Target.getFloatFormat(); 398b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Double: return Target.getDoubleFormat(); 399b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::LongDouble: return Target.getLongDoubleFormat(); 400b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner } 401b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner} 402b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 4038b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck/// getDeclAlign - Return a conservative estimate of the alignment of the 404af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// specified decl. Note that bitfields do not have a valid alignment, so 405af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// this method will assert on them. 4065d484e8cf710207010720589d89602233de61d01Sebastian Redl/// If @p RefAsPointee, references are treated like their underlying type 4075d484e8cf710207010720589d89602233de61d01Sebastian Redl/// (for alignof), else they're treated like pointers (for CodeGen). 4088b752f10c394b140f9ef89e049cbad1a7676fc25Ken DyckCharUnits ASTContext::getDeclAlign(const Decl *D, bool RefAsPointee) { 409dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman unsigned Align = Target.getCharWidth(); 410dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 41140b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (const AlignedAttr* AA = D->getAttr<AlignedAttr>()) 412bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Align = std::max(Align, AA->getMaxAlignment()); 413dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 414af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner if (const ValueDecl *VD = dyn_cast<ValueDecl>(D)) { 415af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner QualType T = VD->getType(); 4166217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType* RT = T->getAs<ReferenceType>()) { 4175d484e8cf710207010720589d89602233de61d01Sebastian Redl if (RefAsPointee) 4185d484e8cf710207010720589d89602233de61d01Sebastian Redl T = RT->getPointeeType(); 4195d484e8cf710207010720589d89602233de61d01Sebastian Redl else 4205d484e8cf710207010720589d89602233de61d01Sebastian Redl T = getPointerType(RT->getPointeeType()); 4215d484e8cf710207010720589d89602233de61d01Sebastian Redl } 4225d484e8cf710207010720589d89602233de61d01Sebastian Redl if (!T->isIncompleteType() && !T->isFunctionType()) { 4236deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola unsigned MinWidth = Target.getLargeArrayMinWidth(); 4246deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola unsigned ArrayAlign = Target.getLargeArrayAlign(); 4256deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola if (isa<VariableArrayType>(T) && MinWidth != 0) 4266deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola Align = std::max(Align, ArrayAlign); 4276deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola if (ConstantArrayType *CT = dyn_cast<ConstantArrayType>(T)) { 4286deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola unsigned Size = getTypeSize(CT); 4296deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola if (MinWidth != 0 && MinWidth <= Size) 4306deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola Align = std::max(Align, ArrayAlign); 4316deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola } 4324cc2cfd48d7c2d11141871cad590db7b52ce00a0Anders Carlsson // Incomplete or function types default to 1. 433dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman while (isa<VariableArrayType>(T) || isa<IncompleteArrayType>(T)) 434dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman T = cast<ArrayType>(T)->getElementType(); 435dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 436dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman Align = std::max(Align, getPreferredTypeAlign(T.getTypePtr())); 437dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman } 43805f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis if (const FieldDecl *FD = dyn_cast<FieldDecl>(VD)) { 43905f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis // In the case of a field in a packed struct, we want the minimum 44005f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis // of the alignment of the field and the alignment of the struct. 44105f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis Align = std::min(Align, 44205f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis getPreferredTypeAlign(FD->getParent()->getTypeForDecl())); 44305f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis } 444af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner } 445dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 4468b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck return CharUnits::fromQuantity(Align / Target.getCharWidth()); 447af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner} 448b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 449ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 450ea1471e0e967548c596a71469702f8846dbaf3c0John McCallASTContext::getTypeInfoInChars(const Type *T) { 451ea1471e0e967548c596a71469702f8846dbaf3c0John McCall std::pair<uint64_t, unsigned> Info = getTypeInfo(T); 452ea1471e0e967548c596a71469702f8846dbaf3c0John McCall return std::make_pair(CharUnits::fromQuantity(Info.first / getCharWidth()), 453ea1471e0e967548c596a71469702f8846dbaf3c0John McCall CharUnits::fromQuantity(Info.second / getCharWidth())); 454ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 455ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 456ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 457ea1471e0e967548c596a71469702f8846dbaf3c0John McCallASTContext::getTypeInfoInChars(QualType T) { 458ea1471e0e967548c596a71469702f8846dbaf3c0John McCall return getTypeInfoInChars(T.getTypePtr()); 459ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 460ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 461a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// getTypeSize - Return the size of the specified type, in bits. This method 462a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// does not work on incomplete types. 4630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 4640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// FIXME: Pointers into different addr spaces could have different sizes and 4650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// alignment requirements: getPointerInfo should take an AddrSpace, this 4660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// should take a QualType, &c. 467d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattnerstd::pair<uint64_t, unsigned> 4681d75118af76cae2bfc06389cde410e14bd0a19fcDaniel DunbarASTContext::getTypeInfo(const Type *T) { 4695e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump uint64_t Width=0; 4705e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump unsigned Align=8; 471a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (T->getTypeClass()) { 47272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 47372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 47418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor#define NON_CANONICAL_TYPE(Class, Base) 47572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 47672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 47718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor assert(false && "Should not see dependent types"); 47872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor break; 47972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 4805d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionNoProto: 4815d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionProto: 48218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(function) = 32 bits 48318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 48418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 32; 48518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 48618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 48772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 488fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::VariableArray: 48918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 49018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = getTypeAlign(cast<ArrayType>(T)->getElementType()); 49118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 49218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 493fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::ConstantArray: { 4941d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ConstantArrayType *CAT = cast<ConstantArrayType>(T); 4951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 49698be4943e8dc4f3905629a7102668960873cf863Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(CAT->getElementType()); 4979e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*CAT->getSize().getZExtValue(); 498030d8846c7e520330007087e949f621989876e3aChris Lattner Align = EltInfo.second; 499030d8846c7e520330007087e949f621989876e3aChris Lattner break; 5005c09a02a5db85e08a432b6eeced9aa656349710dChristopher Lamb } 501213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman case Type::ExtVector: 502030d8846c7e520330007087e949f621989876e3aChris Lattner case Type::Vector: { 5039fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner const VectorType *VT = cast<VectorType>(T); 5049fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(VT->getElementType()); 5059fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = EltInfo.first*VT->getNumElements(); 5064bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman Align = Width; 5076fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // If the alignment is not a power of 2, round up to the next power of 2. 5086fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // This happens for non-power-of-2 length vectors. 5098eefcd353c1d06a10104f69e5079ebab3183f9a3Dan Gohman if (Align & (Align-1)) { 5109fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Align = llvm::NextPowerOf2(Align); 5119fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = llvm::RoundUpToAlignment(Width, Align); 5129fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner } 513030d8846c7e520330007087e949f621989876e3aChris Lattner break; 514030d8846c7e520330007087e949f621989876e3aChris Lattner } 5155d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner 5169e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner case Type::Builtin: 517a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 518692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner default: assert(0 && "Unknown builtin type!"); 519d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner case BuiltinType::Void: 52018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(void) = 8 bits. 52118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 52218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 8; 52318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 52418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 5256f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Bool: 5269e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getBoolWidth(); 5279e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getBoolAlign(); 5286f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 529692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_S: 530692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_U: 531692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UChar: 5326f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::SChar: 5339e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getCharWidth(); 5349e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getCharAlign(); 5356f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 53664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis case BuiltinType::WChar: 53764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Width = Target.getWCharWidth(); 53864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Align = Target.getWCharAlign(); 53964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis break; 540f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char16: 541f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar16Width(); 542f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar16Align(); 543f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 544f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char32: 545f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar32Width(); 546f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar32Align(); 547f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 548692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UShort: 5496f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Short: 5509e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getShortWidth(); 5519e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getShortAlign(); 5526f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 553692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UInt: 5546f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Int: 5559e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getIntWidth(); 5569e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getIntAlign(); 5576f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 558692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULong: 5596f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Long: 5609e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongWidth(); 5619e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongAlign(); 5626f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 563692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULongLong: 5646f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongLong: 5659e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongLongWidth(); 5669e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongLongAlign(); 5676f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 568ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::Int128: 569ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::UInt128: 570ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Width = 128; 571ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Align = 128; // int128_t is 128-bit aligned on all targets. 572ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner break; 5736f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Float: 5749e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getFloatWidth(); 5759e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getFloatAlign(); 5766f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 5776f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Double: 5785426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getDoubleWidth(); 5795426bf6456a5aeac416a9150de157904d101c819Chris Lattner Align = Target.getDoubleAlign(); 5806f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 5816f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongDouble: 5829e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongDoubleWidth(); 5839e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongDoubleAlign(); 5846f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 5856e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl case BuiltinType::NullPtr: 5866e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Width = Target.getPointerWidth(0); // C++ 3.9.1p11: sizeof(nullptr_t) 5876e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Align = Target.getPointerAlign(0); // == sizeof(void*) 5881590d9c0fec4c710c2962e4bb71f76979b5163d3Sebastian Redl break; 589a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 590bfef6d7c67831a135d6ab79931f010f750a730adChris Lattner break; 591d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff case Type::ObjCObjectPointer: 5925426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(0); 593f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(0); 5946f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 595485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff case Type::BlockPointer: { 596485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff unsigned AS = cast<BlockPointerType>(T)->getPointeeType().getAddressSpace(); 597485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Width = Target.getPointerWidth(AS); 598485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Align = Target.getPointerAlign(AS); 599485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff break; 600485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff } 6015d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::LValueReference: 6025d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::RValueReference: { 6035d484e8cf710207010720589d89602233de61d01Sebastian Redl // alignof and sizeof should never enter this code path here, so we go 6045d484e8cf710207010720589d89602233de61d01Sebastian Redl // the pointer route. 6055d484e8cf710207010720589d89602233de61d01Sebastian Redl unsigned AS = cast<ReferenceType>(T)->getPointeeType().getAddressSpace(); 6065d484e8cf710207010720589d89602233de61d01Sebastian Redl Width = Target.getPointerWidth(AS); 6075d484e8cf710207010720589d89602233de61d01Sebastian Redl Align = Target.getPointerAlign(AS); 6085d484e8cf710207010720589d89602233de61d01Sebastian Redl break; 6095d484e8cf710207010720589d89602233de61d01Sebastian Redl } 610f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner case Type::Pointer: { 611f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner unsigned AS = cast<PointerType>(T)->getPointeeType().getAddressSpace(); 6125426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(AS); 613f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(AS); 614f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner break; 615f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner } 616f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl case Type::MemberPointer: { 617f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType Pointee = cast<MemberPointerType>(T)->getPointeeType(); 6181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> PtrDiffInfo = 6191cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson getTypeInfo(getPointerDiffType()); 6201cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson Width = PtrDiffInfo.first; 621f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (Pointee->isFunctionType()) 622f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Width *= 2; 6231cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson Align = PtrDiffInfo.second; 6241cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson break; 625f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 6265d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::Complex: { 6275d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // Complex types have the same alignment as their elements, but twice the 6285d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // size. 6291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> EltInfo = 63098be4943e8dc4f3905629a7102668960873cf863Chris Lattner getTypeInfo(cast<ComplexType>(T)->getElementType()); 6319e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*2; 6325d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner Align = EltInfo.second; 6335d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner break; 6345d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner } 635c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: 636c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getTypeInfo(cast<ObjCObjectType>(T)->getBaseType().getTypePtr()); 63744a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel case Type::ObjCInterface: { 6381d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ObjCInterfaceType *ObjCI = cast<ObjCInterfaceType>(T); 63944a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &Layout = getASTObjCInterfaceLayout(ObjCI->getDecl()); 64044a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel Width = Layout.getSize(); 64144a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel Align = Layout.getAlignment(); 64244a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel break; 64344a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel } 64472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 64572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: { 6461d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const TagType *TT = cast<TagType>(T); 6471d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar 6481d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (TT->getDecl()->isInvalidDecl()) { 6498389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner Width = 1; 6508389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner Align = 1; 6518389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner break; 6528389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner } 6531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6541d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (const EnumType *ET = dyn_cast<EnumType>(TT)) 6557176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner return getTypeInfo(ET->getDecl()->getIntegerType()); 6567176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner 6571d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const RecordType *RT = cast<RecordType>(TT); 6587176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner const ASTRecordLayout &Layout = getASTRecordLayout(RT->getDecl()); 6597176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner Width = Layout.getSize(); 6607176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner Align = Layout.getAlignment(); 661dc0d73e6495404418acf8548875aeaff07791a74Chris Lattner break; 662a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 6637532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 6649fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner case Type::SubstTemplateTypeParm: 66549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getTypeInfo(cast<SubstTemplateTypeParmType>(T)-> 66649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall getReplacementType().getTypePtr()); 66749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 66818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::Typedef: { 66918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor const TypedefDecl *Typedef = cast<TypedefType>(T)->getDecl(); 67040b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (const AlignedAttr *Aligned = Typedef->getAttr<AlignedAttr>()) { 671bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt Align = std::max(Aligned->getMaxAlignment(), 672bbd37c62e34db3f5a95c899723484a76c71d7757Sean Hunt getTypeAlign(Typedef->getUnderlyingType().getTypePtr())); 67318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = getTypeSize(Typedef->getUnderlyingType().getTypePtr()); 67418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor } else 67518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(Typedef->getUnderlyingType().getTypePtr()); 6767532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor break; 6777176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner } 67818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 67918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOfExpr: 68018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfExprType>(T)->getUnderlyingExpr()->getType() 68118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor .getTypePtr()); 68218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 68318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOf: 68418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfType>(T)->getUnderlyingType().getTypePtr()); 68518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 686395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson case Type::Decltype: 687395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return getTypeInfo(cast<DecltypeType>(T)->getUnderlyingExpr()->getType() 688395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson .getTypePtr()); 689395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 690465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara case Type::Elaborated: 691465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return getTypeInfo(cast<ElaboratedType>(T)->getNamedType().getTypePtr()); 6921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 69318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TemplateSpecialization: 6941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(getCanonicalType(T) != T && 69518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor "Cannot request the size of a dependent type"); 69618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // FIXME: this is likely to be wrong once we support template 69718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // aliases, since a template alias could refer to a typedef that 69818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // has an __aligned__ attribute on it. 69918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(getCanonicalType(T)); 70018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor } 7011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 702464175bba1318bef7905122e9fda20cff926df78Chris Lattner assert(Align && (Align & (Align-1)) == 0 && "Alignment must be power of 2"); 7039e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner return std::make_pair(Width, Align); 704a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner} 705a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 706bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// getTypeSizeInChars - Return the size of the specified type, in characters. 707bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// This method does not work on incomplete types. 708bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen DyckCharUnits ASTContext::getTypeSizeInChars(QualType T) { 709199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return CharUnits::fromQuantity(getTypeSize(T) / getCharWidth()); 710bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 711bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen DyckCharUnits ASTContext::getTypeSizeInChars(const Type *T) { 712199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return CharUnits::fromQuantity(getTypeSize(T) / getCharWidth()); 713bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 714bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck 71516e20cce43385001f33f8e3f90ee345609c805d1Ken Dyck/// getTypeAlignInChars - Return the ABI-specified alignment of a type, in 71686fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck/// characters. This method does not work on incomplete types. 71786fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken DyckCharUnits ASTContext::getTypeAlignInChars(QualType T) { 71886fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck return CharUnits::fromQuantity(getTypeAlign(T) / getCharWidth()); 71986fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 72086fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken DyckCharUnits ASTContext::getTypeAlignInChars(const Type *T) { 72186fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck return CharUnits::fromQuantity(getTypeAlign(T) / getCharWidth()); 72286fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 72386fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck 72434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// getPreferredTypeAlign - Return the "preferred" alignment of the specified 72534ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// type for the current target in bits. This can be different than the ABI 72634ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// alignment in cases where it is beneficial for performance to overalign 72734ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// a data type. 72834ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattnerunsigned ASTContext::getPreferredTypeAlign(const Type *T) { 72934ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned ABIAlign = getTypeAlign(T); 7301eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 7311eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman // Double and long long should be naturally aligned if possible. 732183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType* CT = T->getAs<ComplexType>()) 7331eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T = CT->getElementType().getTypePtr(); 7341eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::Double) || 7351eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T->isSpecificBuiltinType(BuiltinType::LongLong)) 7361eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman return std::max(ABIAlign, (unsigned)getTypeSize(T)); 7371eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 73834ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner return ABIAlign; 73934ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner} 74034ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner 741a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbarstatic void CollectLocalObjCIvars(ASTContext *Ctx, 742a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar const ObjCInterfaceDecl *OI, 743a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar llvm::SmallVectorImpl<FieldDecl*> &Fields) { 744a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator I = OI->ivar_begin(), 745a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian E = OI->ivar_end(); I != E; ++I) { 746f1690858344968358131f8d5690d9ee458883000Chris Lattner ObjCIvarDecl *IVDecl = *I; 747a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian if (!IVDecl->isInvalidDecl()) 748a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian Fields.push_back(cast<FieldDecl>(IVDecl)); 749a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian } 750a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian} 751a769c004a2874504c17ea8afccbc4ad35fc33c9fFariborz Jahanian 752a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbarvoid ASTContext::CollectObjCIvars(const ObjCInterfaceDecl *OI, 753a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar llvm::SmallVectorImpl<FieldDecl*> &Fields) { 754a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar if (const ObjCInterfaceDecl *SuperClass = OI->getSuperClass()) 755a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar CollectObjCIvars(SuperClass, Fields); 756a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar CollectLocalObjCIvars(this, OI, Fields); 757a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar} 758a80a0f6398df06c018af779a7ca82a29172c45d1Daniel Dunbar 7598e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// ShallowCollectObjCIvars - 7608e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// Collect all ivars, including those synthesized, in the current class. 7618e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// 7628e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanianvoid ASTContext::ShallowCollectObjCIvars(const ObjCInterfaceDecl *OI, 76311062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) { 7648e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator I = OI->ivar_begin(), 7658e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian E = OI->ivar_end(); I != E; ++I) { 7668e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian Ivars.push_back(*I); 7678e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian } 76811062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian 76911062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian CollectNonClassIvars(OI, Ivars); 7708e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 7718e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 77211062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian/// CollectNonClassIvars - 77311062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian/// This routine collects all other ivars which are not declared in the class. 7747d2aa11c5c3b85a9d727ff868de666ba3bff5b59Ted Kremenek/// This includes synthesized ivars (via @synthesize) and those in 7757d2aa11c5c3b85a9d727ff868de666ba3bff5b59Ted Kremenek// class's @implementation. 7769820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian/// 77711062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanianvoid ASTContext::CollectNonClassIvars(const ObjCInterfaceDecl *OI, 7789820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) { 7790e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian // Find ivars declared in class extension. 7800e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian if (const ObjCCategoryDecl *CDecl = OI->getClassExtension()) { 7810e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian for (ObjCCategoryDecl::ivar_iterator I = CDecl->ivar_begin(), 7820e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian E = CDecl->ivar_end(); I != E; ++I) { 7830e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian Ivars.push_back(*I); 7840e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian } 7850e5ad255729ee86b8ed57e659029008984517cdeFariborz Jahanian } 78611062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian 7877d2aa11c5c3b85a9d727ff868de666ba3bff5b59Ted Kremenek // Also add any ivar defined in this class's implementation. This 7887d2aa11c5c3b85a9d727ff868de666ba3bff5b59Ted Kremenek // includes synthesized ivars. 78911062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian if (ObjCImplementationDecl *ImplDecl = OI->getImplementation()) { 79011062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian for (ObjCImplementationDecl::ivar_iterator I = ImplDecl->ivar_begin(), 79111062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian E = ImplDecl->ivar_end(); I != E; ++I) 79211062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian Ivars.push_back(*I); 79311062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian } 7949820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian} 7959820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian 796e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// CollectInheritedProtocols - Collect all protocols in current class and 797e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// those inherited by it. 798e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid ASTContext::CollectInheritedProtocols(const Decl *CDecl, 799432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl*, 8> &Protocols) { 800e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (const ObjCInterfaceDecl *OI = dyn_cast<ObjCInterfaceDecl>(CDecl)) { 801e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCInterfaceDecl::protocol_iterator P = OI->protocol_begin(), 802e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OI->protocol_end(); P != PE; ++P) { 803e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 804432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 805e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 806b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) { 807b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian Protocols.insert(*P); 808e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 809e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 810b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian } 811e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 812e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian // Categories of this Interface. 813e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (const ObjCCategoryDecl *CDeclChain = OI->getCategoryList(); 814e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CDeclChain; CDeclChain = CDeclChain->getNextClassCategory()) 815e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(CDeclChain, Protocols); 816e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (ObjCInterfaceDecl *SD = OI->getSuperClass()) 817e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian while (SD) { 818e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(SD, Protocols); 819e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian SD = SD->getSuperClass(); 820e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 821b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCCategoryDecl *OC = dyn_cast<ObjCCategoryDecl>(CDecl)) { 822e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCInterfaceDecl::protocol_iterator P = OC->protocol_begin(), 823e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OC->protocol_end(); P != PE; ++P) { 824e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 825432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 826e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 827e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 828e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 829e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 830b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCProtocolDecl *OP = dyn_cast<ObjCProtocolDecl>(CDecl)) { 831e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = OP->protocol_begin(), 832e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OP->protocol_end(); P != PE; ++P) { 833e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 834432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 835e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 836e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 837e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 838e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 839e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 840e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 841e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 8423bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanianunsigned ASTContext::CountNonClassIvars(const ObjCInterfaceDecl *OI) { 8433bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian unsigned count = 0; 8443bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivars declared in class extension. 845b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer if (const ObjCCategoryDecl *CDecl = OI->getClassExtension()) 846b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += CDecl->ivar_size(); 847b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 8483bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivar defined in this class's implementation. This 8493bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // includes synthesized ivars. 8503bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian if (ObjCImplementationDecl *ImplDecl = OI->getImplementation()) 851b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += ImplDecl->ivar_size(); 852b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 8538e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian return count; 8548e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 8558e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 8568a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCInterfaceDecl,or NULL if none exists. 8578a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCImplementationDecl *ASTContext::getObjCImplementation(ObjCInterfaceDecl *D) { 8588a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 8598a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 8608a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 8618a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCImplementationDecl>(I->second); 8628a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 8638a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 8648a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCCategoryDecl, or NULL if none exists. 8658a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCCategoryImplDecl *ASTContext::getObjCImplementation(ObjCCategoryDecl *D) { 8668a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 8678a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 8688a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 8698a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCCategoryImplDecl>(I->second); 8708a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 8718a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 8728a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 8738a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCInterfaceDecl. 8748a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCInterfaceDecl *IFaceD, 8758a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImplementationDecl *ImplD) { 8768a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(IFaceD && ImplD && "Passed null params"); 8778a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[IFaceD] = ImplD; 8788a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 8798a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCCategoryDecl. 8808a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCCategoryDecl *CatD, 8818a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCCategoryImplDecl *ImplD) { 8828a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(CatD && ImplD && "Passed null params"); 8838a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[CatD] = ImplD; 8848a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 8858a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 886a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// \brief Allocate an uninitialized TypeSourceInfo. 887b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 888a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// The caller should initialize the memory held by TypeSourceInfo using 889b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// the TypeLoc wrappers. 890b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 891b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// \param T the type that will be the basis for type source info. This type 892b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// should refer to how the declarator was written in source code, not to 893b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// what type semantic analysis resolved the declarator to. 894a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::CreateTypeSourceInfo(QualType T, 895109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall unsigned DataSize) { 896109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall if (!DataSize) 897109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall DataSize = TypeLoc::getFullDataSizeForType(T); 898109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall else 899109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall assert(DataSize == TypeLoc::getFullDataSizeForType(T) && 900a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall "incorrect data size provided to CreateTypeSourceInfo!"); 901109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall 902a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *TInfo = 903a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall (TypeSourceInfo*)BumpAlloc.Allocate(sizeof(TypeSourceInfo) + DataSize, 8); 904a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall new (TInfo) TypeSourceInfo(T); 905a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall return TInfo; 906b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis} 907b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis 908a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::getTrivialTypeSourceInfo(QualType T, 909a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall SourceLocation L) { 910a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(T); 911a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall DI->getTypeLoc().initialize(L); 912a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall return DI; 913a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall} 914a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall 915b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 916b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel DunbarASTContext::getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D) { 917b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D, 0); 918b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 919b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 920b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 921b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel DunbarASTContext::getASTObjCImplementationLayout(const ObjCImplementationDecl *D) { 922b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D->getClassInterface(), D); 923b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 924b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 925a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 926a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner// Type creation/memoization methods 927a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 928a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 9290953e767ff7817f97b3ab20896b229891eeff45bJohn McCallQualType ASTContext::getExtQualType(const Type *TypeNode, Qualifiers Quals) { 9300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned Fast = Quals.getFastQualifiers(); 9310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.removeFastQualifiers(); 9320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 9330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Check if we've already instantiated this type. 9340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::FoldingSetNodeID ID; 9350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ExtQuals::Profile(ID, TypeNode, Quals); 9360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void *InsertPos = 0; 9370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (ExtQuals *EQ = ExtQualNodes.FindNodeOrInsertPos(ID, InsertPos)) { 9380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(EQ->getQualifiers() == Quals); 9390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = QualType(EQ, Fast); 9400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 9410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 9420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 9436b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtQuals *New = new (*this, TypeAlignment) ExtQuals(*this, TypeNode, Quals); 9440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ExtQualNodes.InsertNode(New, InsertPos); 9450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = QualType(New, Fast); 9460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 9470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 9480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 9490953e767ff7817f97b3ab20896b229891eeff45bJohn McCallQualType ASTContext::getVolatileType(QualType T) { 9500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType CanT = getCanonicalType(T); 9510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (CanT.isVolatileQualified()) return T; 9520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 9530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 9540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 9550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addVolatile(); 9560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 9570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 9580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 9590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 960f11284ac87daa613bc7b30db9f54bd716d123222Fariborz JahanianQualType ASTContext::getAddrSpaceQualType(QualType T, unsigned AddressSpace) { 961f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType CanT = getCanonicalType(T); 962f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner if (CanT.getAddressSpace() == AddressSpace) 963f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner return T; 964b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner 9650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 9660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 9670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 9680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 9691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an address space specified, it cannot get 9710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 9720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasAddressSpace() && 9730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot be in multiple addr spaces!"); 9740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addAddressSpace(AddressSpace); 9751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 977ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 978ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 979b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris LattnerQualType ASTContext::getObjCGCQualType(QualType T, 9800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GCAttr) { 981d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType CanT = getCanonicalType(T); 982b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner if (CanT.getObjCGCAttr() == GCAttr) 983d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian return T; 9841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9854027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian if (T->isPointerType()) { 9866217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType Pointee = T->getAs<PointerType>()->getPointeeType(); 98758f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff if (Pointee->isAnyPointerType()) { 9884027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian QualType ResultType = getObjCGCQualType(Pointee, GCAttr); 9894027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian return getPointerType(ResultType); 9904027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 9914027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 9921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 9940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 9950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 9960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 9971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an ObjCGC specified, it cannot get 9990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 10000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasObjCGCAttr() && 10010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot have multiple ObjCGCs!"); 10020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addObjCGCAttr(GCAttr); 10031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1005d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 1006a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 1007264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindolastatic QualType getExtFunctionType(ASTContext& Context, QualType T, 1008264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const FunctionType::ExtInfo &Info) { 10090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType ResultType; 101043c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (const PointerType *Pointer = T->getAs<PointerType>()) { 101143c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor QualType Pointee = Pointer->getPointeeType(); 1012264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ResultType = getExtFunctionType(Context, Pointee, Info); 101343c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (ResultType == Pointee) 101443c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1015ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1016ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor ResultType = Context.getPointerType(ResultType); 101743c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor } else if (const BlockPointerType *BlockPointer 101843c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor = T->getAs<BlockPointerType>()) { 101943c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor QualType Pointee = BlockPointer->getPointeeType(); 1020264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ResultType = getExtFunctionType(Context, Pointee, Info); 102143c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (ResultType == Pointee) 102243c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1023ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1024ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor ResultType = Context.getBlockPointerType(ResultType); 1025ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor } else if (const FunctionType *F = T->getAs<FunctionType>()) { 1026264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola if (F->getExtInfo() == Info) 102743c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1028ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 102943c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (const FunctionNoProtoType *FNPT = dyn_cast<FunctionNoProtoType>(F)) { 1030ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor ResultType = Context.getFunctionNoProtoType(FNPT->getResultType(), 1031264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info); 10320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } else { 103343c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor const FunctionProtoType *FPT = cast<FunctionProtoType>(F); 10340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ResultType 1035ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor = Context.getFunctionType(FPT->getResultType(), FPT->arg_type_begin(), 1036ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->getNumArgs(), FPT->isVariadic(), 1037ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->getTypeQuals(), 1038ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->hasExceptionSpec(), 1039ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->hasAnyExceptionSpec(), 1040ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->getNumExceptions(), 1041ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->exception_begin(), 1042264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info); 10430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 104443c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor } else 104543c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1046ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1047ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor return Context.getQualifiedType(ResultType, T.getLocalQualifiers()); 1048ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor} 1049ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1050ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas GregorQualType ASTContext::getNoReturnType(QualType T, bool AddNoReturn) { 1051425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo Info = getFunctionExtInfo(T); 1052264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getExtFunctionType(*this, T, 1053264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withNoReturn(AddNoReturn)); 1054ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor} 1055ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1056ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas GregorQualType ASTContext::getCallConvType(QualType T, CallingConv CallConv) { 1057425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo Info = getFunctionExtInfo(T); 1058264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getExtFunctionType(*this, T, 1059264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(CallConv)); 10602455636163fdd18581d7fdae816433f886d88213Mike Stump} 10612455636163fdd18581d7fdae816433f886d88213Mike Stump 1062425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael EspindolaQualType ASTContext::getRegParmType(QualType T, unsigned RegParm) { 1063425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo Info = getFunctionExtInfo(T); 1064425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola return getExtFunctionType(*this, T, 1065425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola Info.withRegParm(RegParm)); 1066425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola} 1067425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola 10685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getComplexType - Return the uniqued reference to the type for a complex 10695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// number with the specified element type. 10705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerQualType ASTContext::getComplexType(QualType T) { 10715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 10725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 10735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 10745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType::Profile(ID, T); 10751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 10775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ComplexType *CT = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos)) 10785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(CT, 0); 10791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 10815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 10825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1083467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1084f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getComplexType(getCanonicalType(T)); 10851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 10875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType *NewIP = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos); 1088f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 10895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10906b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ComplexType *New = new (*this, TypeAlignment) ComplexType(T, Canonical); 10915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 10925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexTypes.InsertNode(New, InsertPos); 10935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 10945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 10955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getPointerType - Return the uniqued reference to the type for a pointer to 10975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the specified type. 10985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerQualType ASTContext::getPointerType(QualType T) { 10995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 11005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 11015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 11025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType::Profile(ID, T); 11031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 11055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (PointerType *PT = PointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 11065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(PT, 0); 11071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 11095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 11105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1111467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1112f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getPointerType(getCanonicalType(T)); 11131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 11155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType *NewIP = PointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1116f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 11175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11186b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall PointerType *New = new (*this, TypeAlignment) PointerType(T, Canonical); 11195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 11205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerTypes.InsertNode(New, InsertPos); 11215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 11225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 11235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getBlockPointerType - Return the uniqued reference to the type for 11255618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// a pointer to the specified block. 11265618bd4a52c45fbbb605e3ba885663b2164db8a3Steve NaroffQualType ASTContext::getBlockPointerType(QualType T) { 1127296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff assert(T->isFunctionType() && "block of function types only"); 1128296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff // Unique pointers, to guarantee there is only one block of a particular 11295618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // structure. 11305618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSetNodeID ID; 11315618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType::Profile(ID, T); 11321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11335618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void *InsertPos = 0; 11345618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff if (BlockPointerType *PT = 11355618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 11365618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(PT, 0); 11371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the block pointee type isn't canonical, this won't be a canonical 11395618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // type either so fill in the canonical type field. 11405618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType Canonical; 1141467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 11425618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Canonical = getBlockPointerType(getCanonicalType(T)); 11431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11445618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the new insert position for the node we care about. 11455618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType *NewIP = 11465618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1147f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 11485618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 11496b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BlockPointerType *New 11506b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) BlockPointerType(T, Canonical); 11515618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Types.push_back(New); 11525618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.InsertNode(New, InsertPos); 11535618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(New, 0); 11545618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 11555618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 11567c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getLValueReferenceType - Return the uniqued reference to the type for an 11577c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// lvalue reference to the specified type. 115854e14c4db764c0636160d26c5bbf491637c83a76John McCallQualType ASTContext::getLValueReferenceType(QualType T, bool SpelledAsLValue) { 11595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 11605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 11615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 116254e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, SpelledAsLValue); 11635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 11657c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (LValueReferenceType *RT = 11667c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 11675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(RT, 0); 11687c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 116954e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 117054e14c4db764c0636160d26c5bbf491637c83a76John McCall 11715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the referencee type isn't canonical, this won't be a canonical type 11725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // either, so fill in the canonical type field. 11735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 117454e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!SpelledAsLValue || InnerRef || !T.isCanonical()) { 117554e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 117654e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getLValueReferenceType(getCanonicalType(PointeeType)); 11777c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 11787c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Get the new insert position for the node we care about. 11797c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceType *NewIP = 11807c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 11817c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 11827c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 11837c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 11846b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall LValueReferenceType *New 118554e14c4db764c0636160d26c5bbf491637c83a76John McCall = new (*this, TypeAlignment) LValueReferenceType(T, Canonical, 118654e14c4db764c0636160d26c5bbf491637c83a76John McCall SpelledAsLValue); 11877c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl Types.push_back(New); 11887c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.InsertNode(New, InsertPos); 118954e14c4db764c0636160d26c5bbf491637c83a76John McCall 11907c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(New, 0); 11917c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 11927c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 11937c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getRValueReferenceType - Return the uniqued reference to the type for an 11947c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// rvalue reference to the specified type. 11957c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian RedlQualType ASTContext::getRValueReferenceType(QualType T) { 11967c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 11977c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // structure. 11987c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSetNodeID ID; 119954e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, false); 12007c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12017c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl void *InsertPos = 0; 12027c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (RValueReferenceType *RT = 12037c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 12047c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(RT, 0); 12057c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 120654e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 120754e14c4db764c0636160d26c5bbf491637c83a76John McCall 12087c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // If the referencee type isn't canonical, this won't be a canonical type 12097c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // either, so fill in the canonical type field. 12107c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType Canonical; 121154e14c4db764c0636160d26c5bbf491637c83a76John McCall if (InnerRef || !T.isCanonical()) { 121254e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 121354e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getRValueReferenceType(getCanonicalType(PointeeType)); 12147c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 12167c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType *NewIP = 12177c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1218f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 12195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12216b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall RValueReferenceType *New 12226b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) RValueReferenceType(T, Canonical); 12235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 12247c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.InsertNode(New, InsertPos); 12255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 12265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 12275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1228f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// getMemberPointerType - Return the uniqued reference to the type for a 1229f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// member pointer to the specified type, in the specified class. 12301eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getMemberPointerType(QualType T, const Type *Cls) { 1231f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 1232f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // structure. 1233f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl llvm::FoldingSetNodeID ID; 1234f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType::Profile(ID, T, Cls); 1235f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1236f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void *InsertPos = 0; 1237f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (MemberPointerType *PT = 1238f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 1239f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(PT, 0); 1240f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1241f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // If the pointee or class type isn't canonical, this won't be a canonical 1242f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // type either, so fill in the canonical type field. 1243f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType Canonical; 124487c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor if (!T.isCanonical() || !Cls->isCanonicalUnqualified()) { 1245f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Canonical = getMemberPointerType(getCanonicalType(T),getCanonicalType(Cls)); 1246f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1247f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Get the new insert position for the node we care about. 1248f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType *NewIP = 1249f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1250f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 1251f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 12526b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall MemberPointerType *New 12536b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) MemberPointerType(T, Cls, Canonical); 1254f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Types.push_back(New); 1255f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.InsertNode(New, InsertPos); 1256f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(New, 0); 1257f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 1258f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 12591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getConstantArrayType - Return the unique reference to the type for an 1260fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff/// array of the specified element type. 12611eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getConstantArrayType(QualType EltTy, 126238aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner const llvm::APInt &ArySizeIn, 1263c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 1264c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals) { 1265923d56d436f750bc1f29db50e641078725558a1bSebastian Redl assert((EltTy->isDependentType() || 1266923d56d436f750bc1f29db50e641078725558a1bSebastian Redl EltTy->isIncompleteType() || EltTy->isConstantSizeType()) && 1267587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman "Constant array of VLAs is illegal!"); 1268587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman 126938aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // Convert the array size into a canonical width matching the pointer size for 127038aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // the target. 127138aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner llvm::APInt ArySize(ArySizeIn); 127238aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner ArySize.zextOrTrunc(Target.getPointerWidth(EltTy.getAddressSpace())); 12731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 12750be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ConstantArrayType::Profile(ID, EltTy, ArySize, ASM, EltTypeQuals); 12761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 12781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ConstantArrayType *ATP = 12797192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 12805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(ATP, 0); 12811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 12835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 12845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1285467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!EltTy.isCanonical()) { 12861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Canonical = getConstantArrayType(getCanonicalType(EltTy), ArySize, 1287c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ASM, EltTypeQuals); 12885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 12891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstantArrayType *NewIP = 12907192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1291f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 12925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12946b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType *New = new(*this,TypeAlignment) 12956b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType(EltTy, Canonical, ArySize, ASM, EltTypeQuals); 12967192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.InsertNode(New, InsertPos); 12975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 12985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 12995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 13005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1301bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// getVariableArrayType - Returns a non-unique reference to the type for a 1302bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// variable array of the specified element type. 13037e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getVariableArrayType(QualType EltTy, 13047e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1305c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 13067e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 13077e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets) { 1308c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Since we don't unique expressions, it isn't possible to unique VLA's 1309c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // that have an expression provided for their size. 1310715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor QualType CanonType; 1311715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 1312715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor if (!EltTy.isCanonical()) { 1313715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor if (NumElts) 1314715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor NumElts->Retain(); 1315715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor CanonType = getVariableArrayType(getCanonicalType(EltTy), NumElts, ASM, 1316715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor EltTypeQuals, Brackets); 1317715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor } 1318715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 13196b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VariableArrayType *New = new(*this, TypeAlignment) 1320715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor VariableArrayType(EltTy, CanonType, NumElts, ASM, EltTypeQuals, Brackets); 1321c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1322c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman VariableArrayTypes.push_back(New); 1323c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1324c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1325c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman} 1326c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1327898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// getDependentSizedArrayType - Returns a non-unique reference to 1328898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// the type for a dependently-sized array of the specified element 132904d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor/// type. 13307e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getDependentSizedArrayType(QualType EltTy, 13317e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1332898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ArrayType::ArraySizeModifier ASM, 13337e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 13347e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets) { 1335cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor assert((!NumElts || NumElts->isTypeDependent() || 1336cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor NumElts->isValueDependent()) && 1337898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor "Size must be type- or value-dependent!"); 1338898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 133904d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor void *InsertPos = 0; 1340cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor DependentSizedArrayType *Canon = 0; 1341789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor llvm::FoldingSetNodeID ID; 1342cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 1343cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor if (NumElts) { 1344cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // Dependently-sized array types that do not have a specified 1345cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // number of elements will have their sizes deduced from an 1346cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // initializer. 1347cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor DependentSizedArrayType::Profile(ID, *this, getCanonicalType(EltTy), ASM, 1348cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor EltTypeQuals, NumElts); 1349cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 1350cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor Canon = DependentSizedArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1351cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor } 1352cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 135304d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor DependentSizedArrayType *New; 135404d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor if (Canon) { 135504d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor // We already have a canonical version of this array type; use it as 135604d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor // the canonical type for a newly-built type. 13576b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 13586b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedArrayType(*this, EltTy, QualType(Canon, 0), 13596b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumElts, ASM, EltTypeQuals, Brackets); 136004d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } else { 136104d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor QualType CanonEltTy = getCanonicalType(EltTy); 136204d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor if (CanonEltTy == EltTy) { 13636b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 13646b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedArrayType(*this, EltTy, QualType(), 13656b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumElts, ASM, EltTypeQuals, Brackets); 1366cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 1367789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (NumElts) { 1368789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentSizedArrayType *CanonCheck 1369789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentSizedArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1370789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CanonCheck && "Dependent-sized canonical array type broken"); 1371789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CanonCheck; 1372cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor DependentSizedArrayTypes.InsertNode(New, InsertPos); 1373789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 137404d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } else { 137504d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor QualType Canon = getDependentSizedArrayType(CanonEltTy, NumElts, 137604d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor ASM, EltTypeQuals, 137704d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor SourceRange()); 13786b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 13796b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedArrayType(*this, EltTy, Canon, 13806b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumElts, ASM, EltTypeQuals, Brackets); 138104d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } 138204d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } 13831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1384898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Types.push_back(New); 1385898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return QualType(New, 0); 1386898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor} 1387898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1388c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli FriedmanQualType ASTContext::getIncompleteArrayType(QualType EltTy, 1389c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 1390c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman unsigned EltTypeQuals) { 1391c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSetNodeID ID; 13920be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner IncompleteArrayType::Profile(ID, EltTy, ASM, EltTypeQuals); 1393c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1394c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman void *InsertPos = 0; 13951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (IncompleteArrayType *ATP = 1396c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 1397c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(ATP, 0); 1398c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1399c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // If the element type isn't canonical, this won't be a canonical type 1400c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // either, so fill in the canonical type field. 1401c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman QualType Canonical; 1402c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1403467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!EltTy.isCanonical()) { 1404f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getIncompleteArrayType(getCanonicalType(EltTy), 14052bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek ASM, EltTypeQuals); 1406c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1407c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Get the new insert position for the node we care about. 1408c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayType *NewIP = 1409c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1410f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 14112bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 1412c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 14136b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall IncompleteArrayType *New = new (*this, TypeAlignment) 14146b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall IncompleteArrayType(EltTy, Canonical, ASM, EltTypeQuals); 1415c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1416c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.InsertNode(New, InsertPos); 1417c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1418c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1419fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff} 1420fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 142173322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// getVectorType - Return the unique reference to a vector type of 142273322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 142382287d19ded35248c4ce6a425ce74116a13ce44eJohn ThompsonQualType ASTContext::getVectorType(QualType vecType, unsigned NumElts, 142482287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson bool IsAltiVec, bool IsPixel) { 14255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer BuiltinType *baseType; 14261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1427f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner baseType = dyn_cast<BuiltinType>(getCanonicalType(vecType).getTypePtr()); 142873322924127c873c13101b705dd823f5539ffa5fSteve Naroff assert(baseType != 0 && "getVectorType(): Expecting a built-in type"); 14291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Check if we've already instantiated a vector of this type. 14315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 143282287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VectorType::Profile(ID, vecType, NumElts, Type::Vector, 143382287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson IsAltiVec, IsPixel); 14345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 14355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 14365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(VTP, 0); 14375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 14395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 14405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 144182287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson if (!vecType.isCanonical() || IsAltiVec || IsPixel) { 144282287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson Canonical = getVectorType(getCanonicalType(vecType), 144382287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson NumElts, false, false); 14441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 14465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1447f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 14485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14496b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VectorType *New = new (*this, TypeAlignment) 145082287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VectorType(vecType, NumElts, Canonical, IsAltiVec, IsPixel); 14515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorTypes.InsertNode(New, InsertPos); 14525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 14535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 14545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 14555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1456213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// getExtVectorType - Return the unique reference to an extended vector type of 145773322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 1458213541a68a3e137d11d2cefb612c6cdb410d7e8eNate BegemanQualType ASTContext::getExtVectorType(QualType vecType, unsigned NumElts) { 145973322924127c873c13101b705dd823f5539ffa5fSteve Naroff BuiltinType *baseType; 14601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1461f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner baseType = dyn_cast<BuiltinType>(getCanonicalType(vecType).getTypePtr()); 1462213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman assert(baseType != 0 && "getExtVectorType(): Expecting a built-in type"); 14631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 146473322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Check if we've already instantiated a vector of this type. 146573322924127c873c13101b705dd823f5539ffa5fSteve Naroff llvm::FoldingSetNodeID ID; 146682287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VectorType::Profile(ID, vecType, NumElts, Type::ExtVector, false, false); 146773322924127c873c13101b705dd823f5539ffa5fSteve Naroff void *InsertPos = 0; 146873322924127c873c13101b705dd823f5539ffa5fSteve Naroff if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 146973322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(VTP, 0); 147073322924127c873c13101b705dd823f5539ffa5fSteve Naroff 147173322924127c873c13101b705dd823f5539ffa5fSteve Naroff // If the element type isn't canonical, this won't be a canonical type either, 147273322924127c873c13101b705dd823f5539ffa5fSteve Naroff // so fill in the canonical type field. 147373322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType Canonical; 1474467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!vecType.isCanonical()) { 1475213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman Canonical = getExtVectorType(getCanonicalType(vecType), NumElts); 14761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 147773322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Get the new insert position for the node we care about. 147873322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1479f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 148073322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 14816b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType *New = new (*this, TypeAlignment) 14826b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType(vecType, NumElts, Canonical); 148373322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorTypes.InsertNode(New, InsertPos); 148473322924127c873c13101b705dd823f5539ffa5fSteve Naroff Types.push_back(New); 148573322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(New, 0); 148673322924127c873c13101b705dd823f5539ffa5fSteve Naroff} 148773322924127c873c13101b705dd823f5539ffa5fSteve Naroff 14881eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getDependentSizedExtVectorType(QualType vecType, 14899cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Expr *SizeExpr, 14909cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation AttrLoc) { 14912ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor llvm::FoldingSetNodeID ID; 14921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedExtVectorType::Profile(ID, *this, getCanonicalType(vecType), 14932ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SizeExpr); 14941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14952ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void *InsertPos = 0; 14962ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *Canon 14972ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 14982ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *New; 14992ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (Canon) { 15002ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // We already have a canonical version of this array type; use it as 15012ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // the canonical type for a newly-built type. 15026b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 15036b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(Canon, 0), 15046b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall SizeExpr, AttrLoc); 15052ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 15062ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType CanonVecTy = getCanonicalType(vecType); 15072ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (CanonVecTy == vecType) { 15086b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 15096b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(), SizeExpr, 15106b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall AttrLoc); 1511789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1512789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentSizedExtVectorType *CanonCheck 1513789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1514789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CanonCheck && "Dependent-sized ext_vector canonical type broken"); 1515789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CanonCheck; 15162ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorTypes.InsertNode(New, InsertPos); 15172ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 15182ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType Canon = getDependentSizedExtVectorType(CanonVecTy, SizeExpr, 15192ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SourceLocation()); 15206b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 15216b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, Canon, SizeExpr, AttrLoc); 15222ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 15232ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 15241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15259cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Types.push_back(New); 15269cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor return QualType(New, 0); 15279cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor} 15289cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 152972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. 15305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 1531264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael EspindolaQualType ASTContext::getFunctionNoProtoType(QualType ResultTy, 1532264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const FunctionType::ExtInfo &Info) { 1533264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const CallingConv CallConv = Info.getCC(); 15345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 15355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 15365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1537264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionNoProtoType::Profile(ID, ResultTy, Info); 15381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 15401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionNoProtoType *FT = 154172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 15425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FT, 0); 15431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1545ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor if (!ResultTy.isCanonical() || 154604a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall getCanonicalCallConv(CallConv) != CallConv) { 1547264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Canonical = 1548264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola getFunctionNoProtoType(getCanonicalType(ResultTy), 1549264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(getCanonicalCallConv(CallConv))); 15501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 155272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoType *NewIP = 155372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1554f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 15555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15576b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall FunctionNoProtoType *New = new (*this, TypeAlignment) 1558264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionNoProtoType(ResultTy, Canonical, Info); 15595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 156072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.InsertNode(New, InsertPos); 15615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 15625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 15635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFunctionType - Return a normal function type with a typed argument 15655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// list. isVariadic indicates whether the argument list includes '...'. 156661710854be2b098428aff5316e64bd34b30fbcb7Chris LattnerQualType ASTContext::getFunctionType(QualType ResultTy,const QualType *ArgArray, 1567971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned NumArgs, bool isVariadic, 1568465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned TypeQuals, bool hasExceptionSpec, 1569465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasAnyExceptionSpec, unsigned NumExs, 1570264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const QualType *ExArray, 1571264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const FunctionType::ExtInfo &Info) { 1572264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const CallingConv CallConv= Info.getCC(); 15735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 15745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 15755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 157672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType::Profile(ID, ResultTy, ArgArray, NumArgs, isVariadic, 1577465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl TypeQuals, hasExceptionSpec, hasAnyExceptionSpec, 1578264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola NumExs, ExArray, Info); 15795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 15811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionProtoType *FTP = 158272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 15835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 1584465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1585465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // Determine whether the type being created is already canonical or not. 158654e14c4db764c0636160d26c5bbf491637c83a76John McCall bool isCanonical = !hasExceptionSpec && ResultTy.isCanonical(); 15875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs && isCanonical; ++i) 158854e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!ArgArray[i].isCanonicalAsParam()) 15895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isCanonical = false; 15905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If this type isn't canonical, get the canonical version of it. 1592465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // The exception spec is not part of the canonical type. 15935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 159404a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (!isCanonical || getCanonicalCallConv(CallConv) != CallConv) { 15955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::SmallVector<QualType, 16> CanonicalArgs; 15965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CanonicalArgs.reserve(NumArgs); 15975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs; ++i) 159854e14c4db764c0636160d26c5bbf491637c83a76John McCall CanonicalArgs.push_back(getCanonicalParamType(ArgArray[i])); 1599465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1600f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getFunctionType(getCanonicalType(ResultTy), 1601beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad CanonicalArgs.data(), NumArgs, 160247259d9ca7840dd66f06f5f11da7768b23d1e0fdDouglas Gregor isVariadic, TypeQuals, false, 1603264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, 0, 0, 1604264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(getCanonicalCallConv(CallConv))); 1605465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 16065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 160772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType *NewIP = 160872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1609f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 16105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1611465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 161272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor // FunctionProtoType objects are allocated with extra bytes after them 1613465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // for two variable size arrays (for parameter and exception types) at the 1614465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // end of them. 16151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FunctionProtoType *FTP = 1616465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl (FunctionProtoType*)Allocate(sizeof(FunctionProtoType) + 1617465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl NumArgs*sizeof(QualType) + 16186b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumExs*sizeof(QualType), TypeAlignment); 161972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor new (FTP) FunctionProtoType(ResultTy, ArgArray, NumArgs, isVariadic, 1620465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl TypeQuals, hasExceptionSpec, hasAnyExceptionSpec, 1621264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExArray, NumExs, Canonical, Info); 16225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(FTP); 162372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.InsertNode(FTP, InsertPos); 16245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 16255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 16265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16273cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#ifndef NDEBUG 16283cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallstatic bool NeedsInjectedClassNameType(const RecordDecl *D) { 16293cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (!isa<CXXRecordDecl>(D)) return false; 16303cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const CXXRecordDecl *RD = cast<CXXRecordDecl>(D); 16313cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (isa<ClassTemplatePartialSpecializationDecl>(RD)) 16323cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 16333cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (RD->getDescribedClassTemplate() && 16343cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall !isa<ClassTemplateSpecializationDecl>(RD)) 16353cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 16363cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return false; 16373cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 16383cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#endif 16393cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 16403cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// getInjectedClassNameType - Return the unique reference to the 16413cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// injected class name type for the specified templated declaration. 16423cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallQualType ASTContext::getInjectedClassNameType(CXXRecordDecl *Decl, 16433cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType TST) { 16443cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(NeedsInjectedClassNameType(Decl)); 16453cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (Decl->TypeForDecl) { 16463cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 16473cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } else if (CXXRecordDecl *PrevDecl 16483cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall = cast_or_null<CXXRecordDecl>(Decl->getPreviousDeclaration())) { 16493cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(PrevDecl->TypeForDecl && "previous declaration has no type"); 16503cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall Decl->TypeForDecl = PrevDecl->TypeForDecl; 16513cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 16523cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } else { 165331f17ecbef57b5679c017c375db330546b7b5145John McCall Decl->TypeForDecl = 165431f17ecbef57b5679c017c375db330546b7b5145John McCall new (*this, TypeAlignment) InjectedClassNameType(Decl, TST); 16553cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall Types.push_back(Decl->TypeForDecl); 16563cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 16573cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return QualType(Decl->TypeForDecl, 0); 16583cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 16593cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 16602ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// getTypeDeclType - Return the unique reference to the type for the 16612ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// specified type declaration. 1662becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCallQualType ASTContext::getTypeDeclTypeSlow(const TypeDecl *Decl) { 16631e6759e9e33dcaa73ce14c8a908ac9f87ac16463Argyrios Kyrtzidis assert(Decl && "Passed null for Decl param"); 1664becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Decl->TypeForDecl && "TypeForDecl present in slow case"); 16651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 166619c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const TypedefDecl *Typedef = dyn_cast<TypedefDecl>(Decl)) 16672ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor return getTypedefType(Typedef); 1668becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 1669becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!isa<TemplateTypeParmDecl>(Decl) && 1670becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "Template type parameter types are always available."); 1671becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 167219c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const RecordDecl *Record = dyn_cast<RecordDecl>(Decl)) { 1673becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Record->getPreviousDeclaration() && 1674becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "struct/union has previous declaration"); 1675becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!NeedsInjectedClassNameType(Record)); 1676becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall Decl->TypeForDecl = new (*this, TypeAlignment) RecordType(Record); 167719c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const EnumDecl *Enum = dyn_cast<EnumDecl>(Decl)) { 1678becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Enum->getPreviousDeclaration() && 1679becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "enum has previous declaration"); 1680becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall Decl->TypeForDecl = new (*this, TypeAlignment) EnumType(Enum); 168119c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const UnresolvedUsingTypenameDecl *Using = 1682ed97649e9574b9d854fa4d6109c9333ae0993554John McCall dyn_cast<UnresolvedUsingTypenameDecl>(Decl)) { 1683ed97649e9574b9d854fa4d6109c9333ae0993554John McCall Decl->TypeForDecl = new (*this, TypeAlignment) UnresolvedUsingType(Using); 16849fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else 1685becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall llvm_unreachable("TypeDecl without a type?"); 168649aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis 1687becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall Types.push_back(Decl->TypeForDecl); 168849aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 16892ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor} 16902ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 16915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTypedefType - Return the unique reference to the type for the 16925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified typename decl. 169319c8576b7328f4dc2d07682f5da552875c1912efJohn McCallQualType ASTContext::getTypedefType(const TypedefDecl *Decl) { 16945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 16951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1696f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType Canonical = getCanonicalType(Decl->getUnderlyingType()); 16976b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Decl->TypeForDecl = new(*this, TypeAlignment) 16986b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypedefType(Type::Typedef, Decl, Canonical); 16995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(Decl->TypeForDecl); 17005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(Decl->TypeForDecl, 0); 17015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 17025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 170349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Retrieve a substitution-result type. 170449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallQualType 170549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallASTContext::getSubstTemplateTypeParmType(const TemplateTypeParmType *Parm, 170649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType Replacement) { 1707467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(Replacement.isCanonical() 170849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall && "replacement types must always be canonical"); 170949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 171049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall llvm::FoldingSetNodeID ID; 171149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType::Profile(ID, Parm, Replacement); 171249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void *InsertPos = 0; 171349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType *SubstParm 171449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall = SubstTemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 171549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 171649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall if (!SubstParm) { 171749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstParm = new (*this, TypeAlignment) 171849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(Parm, Replacement); 171949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Types.push_back(SubstParm); 172049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); 172149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 172249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 172349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return QualType(SubstParm, 0); 172449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall} 172549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 1726fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor/// \brief Retrieve the template type parameter type for a template 17271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parameter or parameter pack with the given depth, index, and (optionally) 172876e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson/// name. 17291eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getTemplateTypeParmType(unsigned Depth, unsigned Index, 173076e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson bool ParameterPack, 1731efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *Name) { 1732fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor llvm::FoldingSetNodeID ID; 1733efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TemplateTypeParmType::Profile(ID, Depth, Index, ParameterPack, Name); 1734fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void *InsertPos = 0; 17351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType *TypeParm 1736fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 1737fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1738fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor if (TypeParm) 1739fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 17401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1741efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor if (Name) { 174276e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson QualType Canon = getTemplateTypeParmType(Depth, Index, ParameterPack); 1743efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TypeParm = new (*this, TypeAlignment) 1744efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TemplateTypeParmType(Depth, Index, ParameterPack, Name, Canon); 1745789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1746789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor TemplateTypeParmType *TypeCheck 1747789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 1748789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!TypeCheck && "Template type parameter canonical type broken"); 1749789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)TypeCheck; 175076e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson } else 17516b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeParm = new (*this, TypeAlignment) 17526b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TemplateTypeParmType(Depth, Index, ParameterPack); 1753fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1754fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor Types.push_back(TypeParm); 1755fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor TemplateTypeParmTypes.InsertNode(TypeParm, InsertPos); 1756fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1757fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 1758fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor} 1759fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 17603cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallTypeSourceInfo * 17613cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallASTContext::getTemplateSpecializationTypeInfo(TemplateName Name, 17623cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall SourceLocation NameLoc, 17633cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const TemplateArgumentListInfo &Args, 17643cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType CanonType) { 17653cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType TST = getTemplateSpecializationType(Name, Args, CanonType); 17663cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 17673cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(TST); 17683cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TemplateSpecializationTypeLoc TL 17693cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall = cast<TemplateSpecializationTypeLoc>(DI->getTypeLoc()); 17703cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setTemplateNameLoc(NameLoc); 17713cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setLAngleLoc(Args.getLAngleLoc()); 17723cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setRAngleLoc(Args.getRAngleLoc()); 17733cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i) 17743cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setArgLocInfo(i, Args[i].getLocInfo()); 17753cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return DI; 17763cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 17773cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 17781eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 17797532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas GregorASTContext::getTemplateSpecializationType(TemplateName Template, 1780d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo &Args, 178171d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall QualType Canon) { 1782d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall unsigned NumArgs = Args.size(); 1783d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 1784833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall llvm::SmallVector<TemplateArgument, 4> ArgVec; 1785833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.reserve(NumArgs); 1786833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall for (unsigned i = 0; i != NumArgs; ++i) 1787833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.push_back(Args[i].getArgument()); 1788833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 178931f17ecbef57b5679c017c375db330546b7b5145John McCall return getTemplateSpecializationType(Template, ArgVec.data(), NumArgs, 179071d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall Canon); 1791833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall} 1792833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 1793833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallQualType 1794833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallASTContext::getTemplateSpecializationType(TemplateName Template, 17957532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 17967532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, 179771d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall QualType Canon) { 1798b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor if (!Canon.isNull()) 1799b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor Canon = getCanonicalType(Canon); 1800b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor else { 1801b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor // Build the canonical template specialization type. 18021275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateName CanonTemplate = getCanonicalTemplateName(Template); 18031275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor llvm::SmallVector<TemplateArgument, 4> CanonArgs; 18041275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs.reserve(NumArgs); 18051275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor for (unsigned I = 0; I != NumArgs; ++I) 18061275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs.push_back(getCanonicalTemplateArgument(Args[I])); 18071275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 18081275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Determine whether this canonical template specialization type already 18091275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // exists. 18101275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor llvm::FoldingSetNodeID ID; 181171d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall TemplateSpecializationType::Profile(ID, CanonTemplate, 1812828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor CanonArgs.data(), NumArgs, *this); 18131275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 18141275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor void *InsertPos = 0; 18151275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateSpecializationType *Spec 18161275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor = TemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 18171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18181275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor if (!Spec) { 18191275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Allocate a new canonical template specialization type. 18201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void *Mem = Allocate((sizeof(TemplateSpecializationType) + 18211275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor sizeof(TemplateArgument) * NumArgs), 18226b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment); 182371d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall Spec = new (Mem) TemplateSpecializationType(CanonTemplate, 18241275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs.data(), NumArgs, 1825b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor Canon); 18261275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor Types.push_back(Spec); 18271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateSpecializationTypes.InsertNode(Spec, InsertPos); 18281275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 18291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1830b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor if (Canon.isNull()) 1831b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor Canon = QualType(Spec, 0); 18321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(Canon->isDependentType() && 18331275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor "Non-dependent template-id type must have a canonical type"); 1834b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor } 1835fc705b84347e6fb4746a1a7e26949f64c2f2f358Douglas Gregor 18361275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Allocate the (non-canonical) template specialization type, but don't 18371275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // try to unique it: these types typically have location information that 18381275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // we don't unique and don't want to lose. 18391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void *Mem = Allocate((sizeof(TemplateSpecializationType) + 184040808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor sizeof(TemplateArgument) * NumArgs), 18416b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment); 18421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateSpecializationType *Spec 1843ef99001908e799c388f1363b1e607dad5f5b57d3John McCall = new (Mem) TemplateSpecializationType(Template, 184431f17ecbef57b5679c017c375db330546b7b5145John McCall Args, NumArgs, 1845828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor Canon); 18461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 184755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor Types.push_back(Spec); 18481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(Spec, 0); 184955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor} 185055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 18511eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 1852465d41b92b2c862f3062c412a0538db65c6a2661Abramo BagnaraASTContext::getElaboratedType(ElaboratedTypeKeyword Keyword, 1853465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, 1854465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara QualType NamedType) { 1855e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor llvm::FoldingSetNodeID ID; 1856465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType::Profile(ID, Keyword, NNS, NamedType); 1857e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 1858e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void *InsertPos = 0; 1859465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *T = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 1860e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor if (T) 1861e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 1862e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 1863789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor QualType Canon = NamedType; 1864789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (!Canon.isCanonical()) { 1865789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor Canon = getCanonicalType(NamedType); 1866465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *CheckT = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 1867465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara assert(!CheckT && "Elaborated canonical type broken"); 1868789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckT; 1869789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 1870789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1871465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = new (*this) ElaboratedType(Keyword, NNS, NamedType, Canon); 1872e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor Types.push_back(T); 1873465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedTypes.InsertNode(T, InsertPos); 1874e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 1875e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor} 1876e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 18774a2023f5014e82389d5980d307b89c545dbbac81Douglas GregorQualType ASTContext::getDependentNameType(ElaboratedTypeKeyword Keyword, 18784a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 18794a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, 18804a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor QualType Canon) { 1881d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 1882d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1883d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (Canon.isNull()) { 1884d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 18854a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ElaboratedTypeKeyword CanonKeyword = Keyword; 18864a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (Keyword == ETK_None) 18874a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor CanonKeyword = ETK_Typename; 18884a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor 18894a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (CanonNNS != NNS || CanonKeyword != Keyword) 18904a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor Canon = getDependentNameType(CanonKeyword, CanonNNS, Name); 1891d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 1892d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1893d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor llvm::FoldingSetNodeID ID; 18944a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType::Profile(ID, Keyword, NNS, Name); 1895d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1896d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void *InsertPos = 0; 18974714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameType *T 18984714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor = DependentNameTypes.FindNodeOrInsertPos(ID, InsertPos); 1899d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (T) 1900d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return QualType(T, 0); 1901d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 19024a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor T = new (*this) DependentNameType(Keyword, NNS, Name, Canon); 1903d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor Types.push_back(T); 19044714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameTypes.InsertNode(T, InsertPos); 19051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 1906d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 1907d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 19081eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 190933500955d731c73717af52088b7fc0e7a85681e7John McCallASTContext::getDependentTemplateSpecializationType( 191033500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 19114a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 191233500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 191333500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgumentListInfo &Args) { 191433500955d731c73717af52088b7fc0e7a85681e7John McCall // TODO: avoid this copy 191533500955d731c73717af52088b7fc0e7a85681e7John McCall llvm::SmallVector<TemplateArgument, 16> ArgCopy; 191633500955d731c73717af52088b7fc0e7a85681e7John McCall for (unsigned I = 0, E = Args.size(); I != E; ++I) 191733500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.push_back(Args[I].getArgument()); 191833500955d731c73717af52088b7fc0e7a85681e7John McCall return getDependentTemplateSpecializationType(Keyword, NNS, Name, 191933500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.size(), 192033500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.data()); 192133500955d731c73717af52088b7fc0e7a85681e7John McCall} 192233500955d731c73717af52088b7fc0e7a85681e7John McCall 192333500955d731c73717af52088b7fc0e7a85681e7John McCallQualType 192433500955d731c73717af52088b7fc0e7a85681e7John McCallASTContext::getDependentTemplateSpecializationType( 192533500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 192633500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, 192733500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 192833500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 192933500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *Args) { 19301734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 19311734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 1932789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor llvm::FoldingSetNodeID ID; 193333500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationType::Profile(ID, *this, Keyword, NNS, 193433500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, Args); 1935789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1936789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor void *InsertPos = 0; 193733500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationType *T 193833500955d731c73717af52088b7fc0e7a85681e7John McCall = DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 1939789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (T) 1940789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor return QualType(T, 0); 1941789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 194233500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 194333500955d731c73717af52088b7fc0e7a85681e7John McCall 194433500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword CanonKeyword = Keyword; 194533500955d731c73717af52088b7fc0e7a85681e7John McCall if (Keyword == ETK_None) CanonKeyword = ETK_Typename; 19461734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 194733500955d731c73717af52088b7fc0e7a85681e7John McCall bool AnyNonCanonArgs = false; 194833500955d731c73717af52088b7fc0e7a85681e7John McCall llvm::SmallVector<TemplateArgument, 16> CanonArgs(NumArgs); 194933500955d731c73717af52088b7fc0e7a85681e7John McCall for (unsigned I = 0; I != NumArgs; ++I) { 195033500955d731c73717af52088b7fc0e7a85681e7John McCall CanonArgs[I] = getCanonicalTemplateArgument(Args[I]); 195133500955d731c73717af52088b7fc0e7a85681e7John McCall if (!CanonArgs[I].structurallyEquals(Args[I])) 195233500955d731c73717af52088b7fc0e7a85681e7John McCall AnyNonCanonArgs = true; 1953789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 19541734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 195533500955d731c73717af52088b7fc0e7a85681e7John McCall QualType Canon; 195633500955d731c73717af52088b7fc0e7a85681e7John McCall if (AnyNonCanonArgs || CanonNNS != NNS || CanonKeyword != Keyword) { 195733500955d731c73717af52088b7fc0e7a85681e7John McCall Canon = getDependentTemplateSpecializationType(CanonKeyword, CanonNNS, 195833500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, 195933500955d731c73717af52088b7fc0e7a85681e7John McCall CanonArgs.data()); 196033500955d731c73717af52088b7fc0e7a85681e7John McCall 196133500955d731c73717af52088b7fc0e7a85681e7John McCall // Find the insert position again. 196233500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 196333500955d731c73717af52088b7fc0e7a85681e7John McCall } 196433500955d731c73717af52088b7fc0e7a85681e7John McCall 196533500955d731c73717af52088b7fc0e7a85681e7John McCall void *Mem = Allocate((sizeof(DependentTemplateSpecializationType) + 196633500955d731c73717af52088b7fc0e7a85681e7John McCall sizeof(TemplateArgument) * NumArgs), 196733500955d731c73717af52088b7fc0e7a85681e7John McCall TypeAlignment); 1968ef99001908e799c388f1363b1e607dad5f5b57d3John McCall T = new (Mem) DependentTemplateSpecializationType(Keyword, NNS, 196933500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, Args, Canon); 19701734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Types.push_back(T); 197133500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes.InsertNode(T, InsertPos); 19721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 19731734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor} 19741734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 197588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// CmpProtocolNames - Comparison predicate for sorting protocols 197688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// alphabetically. 197788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattnerstatic bool CmpProtocolNames(const ObjCProtocolDecl *LHS, 197888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner const ObjCProtocolDecl *RHS) { 19792e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return LHS->getDeclName() < RHS->getDeclName(); 198088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 198188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 1982c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallstatic bool areSortedAndUniqued(ObjCProtocolDecl * const *Protocols, 198354e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned NumProtocols) { 198454e14c4db764c0636160d26c5bbf491637c83a76John McCall if (NumProtocols == 0) return true; 198554e14c4db764c0636160d26c5bbf491637c83a76John McCall 198654e14c4db764c0636160d26c5bbf491637c83a76John McCall for (unsigned i = 1; i != NumProtocols; ++i) 198754e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!CmpProtocolNames(Protocols[i-1], Protocols[i])) 198854e14c4db764c0636160d26c5bbf491637c83a76John McCall return false; 198954e14c4db764c0636160d26c5bbf491637c83a76John McCall return true; 199054e14c4db764c0636160d26c5bbf491637c83a76John McCall} 199154e14c4db764c0636160d26c5bbf491637c83a76John McCall 199254e14c4db764c0636160d26c5bbf491637c83a76John McCallstatic void SortAndUniqueProtocols(ObjCProtocolDecl **Protocols, 199388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner unsigned &NumProtocols) { 199488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ObjCProtocolDecl **ProtocolsEnd = Protocols+NumProtocols; 19951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 199688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Sort protocols, keyed by name. 199788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner std::sort(Protocols, Protocols+NumProtocols, CmpProtocolNames); 199888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 199988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Remove duplicates. 200088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ProtocolsEnd = std::unique(Protocols, ProtocolsEnd); 200188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner NumProtocols = ProtocolsEnd-Protocols; 200288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 200388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2004c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallQualType ASTContext::getObjCObjectType(QualType BaseType, 2005c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 2006c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols) { 2007c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If the base type is an interface and there aren't any protocols 2008c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // to add, then the interface type will do just fine. 2009c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!NumProtocols && isa<ObjCInterfaceType>(BaseType)) 2010c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return BaseType; 2011d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2012c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Look in the folding set for an existing type. 2013c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::FoldingSetNodeID ID; 2014c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl::Profile(ID, BaseType, Protocols, NumProtocols); 2015d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff void *InsertPos = 0; 2016c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectType *QT = ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos)) 2017c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(QT, 0); 2018d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2019c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Build the canonical type, which has the canonical base type and 2020c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // a sorted-and-uniqued list of protocols. 202154e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2022c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool ProtocolsSorted = areSortedAndUniqued(Protocols, NumProtocols); 2023c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted || !BaseType.isCanonical()) { 2024c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted) { 20250237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer llvm::SmallVector<ObjCProtocolDecl*, 8> Sorted(Protocols, 20260237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer Protocols + NumProtocols); 202754e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned UniqueCount = NumProtocols; 202854e14c4db764c0636160d26c5bbf491637c83a76John McCall 202954e14c4db764c0636160d26c5bbf491637c83a76John McCall SortAndUniqueProtocols(&Sorted[0], UniqueCount); 2030c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2031c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall &Sorted[0], UniqueCount); 203254e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 2033c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2034c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Protocols, NumProtocols); 203554e14c4db764c0636160d26c5bbf491637c83a76John McCall } 203654e14c4db764c0636160d26c5bbf491637c83a76John McCall 203754e14c4db764c0636160d26c5bbf491637c83a76John McCall // Regenerate InsertPos. 2038c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos); 203954e14c4db764c0636160d26c5bbf491637c83a76John McCall } 204054e14c4db764c0636160d26c5bbf491637c83a76John McCall 2041c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned Size = sizeof(ObjCObjectTypeImpl); 2042c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Size += NumProtocols * sizeof(ObjCProtocolDecl *); 2043fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor void *Mem = Allocate(Size, TypeAlignment); 2044c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl *T = 2045c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectTypeImpl(Canonical, BaseType, Protocols, NumProtocols); 20461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2047c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Types.push_back(T); 2048c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.InsertNode(T, InsertPos); 2049c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(T, 0); 2050d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 205188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2052c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// getObjCObjectPointerType - Return a ObjCObjectPointerType type for 2053c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// the given object type. 2054c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallQualType ASTContext::getObjCObjectPointerType(QualType ObjectT) { 20554b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian llvm::FoldingSetNodeID ID; 2056c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType::Profile(ID, ObjectT); 20571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20584b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian void *InsertPos = 0; 2059c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectPointerType *QT = 2060c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 20614b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian return QualType(QT, 0); 20621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2063c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Find the canonical object type. 206454e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2065c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ObjectT.isCanonical()) { 2066c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectPointerType(getCanonicalType(ObjectT)); 206754e14c4db764c0636160d26c5bbf491637c83a76John McCall 2068c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Regenerate InsertPos. 2069c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 207054e14c4db764c0636160d26c5bbf491637c83a76John McCall } 207154e14c4db764c0636160d26c5bbf491637c83a76John McCall 2072c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // No match. 2073c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void *Mem = Allocate(sizeof(ObjCObjectPointerType), TypeAlignment); 2074c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType *QType = 2075c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectPointerType(Canonical, ObjectT); 207624fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 207724fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis Types.push_back(QType); 2078c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.InsertNode(QType, InsertPos); 207924fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis return QualType(QType, 0); 208024fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis} 208124fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 2082c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// getObjCInterfaceType - Return the unique reference to the type for the 2083c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// specified ObjC interface decl. The list of protocols is optional. 2084c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallQualType ASTContext::getObjCInterfaceType(const ObjCInterfaceDecl *Decl) { 2085c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (Decl->TypeForDecl) 2086c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(Decl->TypeForDecl, 0); 2087c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 2088c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // FIXME: redeclarations? 2089c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void *Mem = Allocate(sizeof(ObjCInterfaceType), TypeAlignment); 2090c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceType *T = new (Mem) ObjCInterfaceType(Decl); 2091c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Decl->TypeForDecl = T; 2092c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Types.push_back(T); 2093c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(T, 0); 2094c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 2095c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 209672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getTypeOfExprType - Unlike many "get<Type>" functions, we can't unique 209772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType AST's (since expression's are never shared). For example, 20989752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// multiple declarations that refer to "typeof(x)" all contain different 20991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// DeclRefExpr's. This doesn't effect the type checker, since it operates 21009752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 210172564e73277e29f6db3305d1f27ba408abb7ed88Douglas GregorQualType ASTContext::getTypeOfExprType(Expr *tofExpr) { 2102dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType *toe; 2103b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (tofExpr->isTypeDependent()) { 2104b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor llvm::FoldingSetNodeID ID; 2105b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType::Profile(ID, *this, tofExpr); 21061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2107b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void *InsertPos = 0; 2108b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType *Canon 2109b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor = DependentTypeOfExprTypes.FindNodeOrInsertPos(ID, InsertPos); 2110b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (Canon) { 2111b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // We already have a "canonical" version of an identical, dependent 2112b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // typeof(expr) type. Use that as our canonical type. 21136b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, 2114b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor QualType((TypeOfExprType*)Canon, 0)); 2115b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2116b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor else { 2117b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // Build a new, canonical typeof(expr) type. 21186b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon 21196b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) DependentTypeOfExprType(*this, tofExpr); 2120b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprTypes.InsertNode(Canon, InsertPos); 2121b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor toe = Canon; 2122b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2123b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } else { 2124dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType Canonical = getCanonicalType(tofExpr->getType()); 21256b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, Canonical); 2126dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 21279752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(toe); 21289752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(toe, 0); 2129d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2130d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 21319752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// getTypeOfType - Unlike many "get<Type>" functions, we don't unique 21329752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// TypeOfType AST's. The only motivation to unique these nodes would be 21339752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// memory savings. Since typeof(t) is fairly uncommon, space shouldn't be 21341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 21359752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 2136d1861fd633d5096a00777c918eb8575ea7162fe7Steve NaroffQualType ASTContext::getTypeOfType(QualType tofType) { 2137f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType Canonical = getCanonicalType(tofType); 21386b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeOfType *tot = new (*this, TypeAlignment) TypeOfType(tofType, Canonical); 21399752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(tot); 21409752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(tot, 0); 2141d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2142d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 214360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// getDecltypeForExpr - Given an expr, will return the decltype for that 214460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// expression, according to the rules in C++0x [dcl.type.simple]p4 214560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlssonstatic QualType getDecltypeForExpr(const Expr *e, ASTContext &Context) { 2146a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson if (e->isTypeDependent()) 2147a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson return Context.DependentTy; 21481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 214960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is an id expression or a class member access, decltype(e) is defined 215060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // as the type of the entity named by e. 215160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(e)) { 215260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const ValueDecl *VD = dyn_cast<ValueDecl>(DRE->getDecl())) 215360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return VD->getType(); 215460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 215560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const MemberExpr *ME = dyn_cast<MemberExpr>(e)) { 215660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const FieldDecl *FD = dyn_cast<FieldDecl>(ME->getMemberDecl())) 215760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return FD->getType(); 215860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 215960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is a function call or an invocation of an overloaded operator, 216060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // (parentheses around e are ignored), decltype(e) is defined as the 216160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // return type of that function. 216260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const CallExpr *CE = dyn_cast<CallExpr>(e->IgnoreParens())) 216360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return CE->getCallReturnType(); 21641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 216560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson QualType T = e->getType(); 21661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Otherwise, where T is the type of e, if e is an lvalue, decltype(e) is 216860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // defined as T&, otherwise decltype(e) is defined as T. 216960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (e->isLvalue(Context) == Expr::LV_Valid) 217060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson T = Context.getLValueReferenceType(T); 21711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 217260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return T; 217360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson} 217460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson 2175395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// getDecltypeType - Unlike many "get<Type>" functions, we don't unique 2176395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType AST's. The only motivation to unique these nodes would be 2177395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// memory savings. Since decltype(t) is fairly uncommon, space shouldn't be 21781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 2179395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// on canonical type's (which are always unique). 2180395b475a4474f1c7574d927ad142ca0c7997cbcaAnders CarlssonQualType ASTContext::getDecltypeType(Expr *e) { 2181dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor DecltypeType *dt; 21829d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (e->isTypeDependent()) { 21839d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor llvm::FoldingSetNodeID ID; 21849d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType::Profile(ID, *this, e); 21851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21869d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void *InsertPos = 0; 21879d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType *Canon 21889d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor = DependentDecltypeTypes.FindNodeOrInsertPos(ID, InsertPos); 21899d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (Canon) { 21909d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // We already have a "canonical" version of an equivalent, dependent 21919d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // decltype type. Use that as our canonical type. 21926b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, DependentTy, 21939d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor QualType((DecltypeType*)Canon, 0)); 21949d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 21959d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor else { 21969d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // Build a new, canonical typeof(expr) type. 21976b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon = new (*this, TypeAlignment) DependentDecltypeType(*this, e); 21989d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeTypes.InsertNode(Canon, InsertPos); 21999d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor dt = Canon; 22009d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 22019d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } else { 2202dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType T = getDecltypeForExpr(e, *this); 22036b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, T, getCanonicalType(T)); 2204dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 2205395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Types.push_back(dt); 2206395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return QualType(dt, 0); 2207395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson} 2208395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 22095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTagDeclType - Return the unique reference to the type for the 22105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified TagDecl (struct/union/class/enum) decl. 2211e607ed068334bacb8d7b093996b4671c6ca79e25Mike StumpQualType ASTContext::getTagDeclType(const TagDecl *Decl) { 2212d778f88d32b96a74c9edb7342c81357606a7cdc0Ted Kremenek assert (Decl); 2213e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // FIXME: What is the design on getTagDeclType when it requires casting 2214e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // away const? mutable? 2215e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump return getTypeDeclType(const_cast<TagDecl*>(Decl)); 22165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 22175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 22181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getSizeType - Return the unique type for "size_t" (C99 7.17), the result 22191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// of the sizeof operator (C99 6.5.3.4p4). The value is target dependent and 22201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// needs to agree with the definition in <stddef.h>. 2221a3ccda58913cc1a4b8564e349448b12acc462da7Anders CarlssonCanQualType ASTContext::getSizeType() const { 2222b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getSizeType()); 22235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 22245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 222564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getSignedWCharType - Return the type of "signed wchar_t". 222664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 222764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getSignedWCharType() const { 222864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 222964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return WCharTy; 223064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 223164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 223264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getUnsignedWCharType - Return the type of "unsigned wchar_t". 223364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 223464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getUnsignedWCharType() const { 223564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 223664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return UnsignedIntTy; 223764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 223864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 22398b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 22408b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 22418b9023ba35a86838789e2c9034a6128728c547aaChris LattnerQualType ASTContext::getPointerDiffType() const { 2242b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getPtrDiffType(0)); 22438b9023ba35a86838789e2c9034a6128728c547aaChris Lattner} 22448b9023ba35a86838789e2c9034a6128728c547aaChris Lattner 2245e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2246e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner// Type Operators 2247e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2248e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 224954e14c4db764c0636160d26c5bbf491637c83a76John McCallCanQualType ASTContext::getCanonicalParamType(QualType T) { 225054e14c4db764c0636160d26c5bbf491637c83a76John McCall // Push qualifiers into arrays, and then discard any remaining 225154e14c4db764c0636160d26c5bbf491637c83a76John McCall // qualifiers. 225254e14c4db764c0636160d26c5bbf491637c83a76John McCall T = getCanonicalType(T); 225354e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *Ty = T.getTypePtr(); 225454e14c4db764c0636160d26c5bbf491637c83a76John McCall 225554e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Result; 225654e14c4db764c0636160d26c5bbf491637c83a76John McCall if (isa<ArrayType>(Ty)) { 225754e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getArrayDecayedType(QualType(Ty,0)); 225854e14c4db764c0636160d26c5bbf491637c83a76John McCall } else if (isa<FunctionType>(Ty)) { 225954e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getPointerType(QualType(Ty, 0)); 226054e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 226154e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = QualType(Ty, 0); 226254e14c4db764c0636160d26c5bbf491637c83a76John McCall } 226354e14c4db764c0636160d26c5bbf491637c83a76John McCall 226454e14c4db764c0636160d26c5bbf491637c83a76John McCall return CanQualType::CreateUnsafe(Result); 226554e14c4db764c0636160d26c5bbf491637c83a76John McCall} 226654e14c4db764c0636160d26c5bbf491637c83a76John McCall 226777c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// getCanonicalType - Return the canonical (structural) type corresponding to 226877c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// the specified potentially non-canonical type. The non-canonical version 226977c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// of a type may have many "decorated" versions of types. Decorators can 227077c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// include typedefs, 'typeof' operators, etc. The returned type is guaranteed 227177c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// to be free of any of these, allowing two canonical types to be compared 227277c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// for exact equality with a simple pointer comparison. 227350d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas GregorCanQualType ASTContext::getCanonicalType(QualType T) { 22740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 22750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *Ptr = Quals.strip(T); 22760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType CanType = Ptr->getCanonicalTypeInternal(); 22770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 22780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // The canonical internal type will be the canonical type *except* 22790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // that we push type qualifiers down through array types. 22801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If there are no new qualifiers to push down, stop here. 22820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!Quals.hasQualifiers()) 228350d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe(CanType); 2284c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 22850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the type qualifiers are on an array type, get the canonical 22860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // type of the array with the qualifiers applied to the element 22870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // type. 2288c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner ArrayType *AT = dyn_cast<ArrayType>(CanType); 2289c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (!AT) 22900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return CanQualType::CreateUnsafe(getQualifiedType(CanType, Quals)); 22911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2292c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the canonical version of the element with the extra qualifiers on it. 2293c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // This can recursively sink qualifiers through multiple levels of arrays. 22940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType NewEltTy = getQualifiedType(AT->getElementType(), Quals); 2295c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner NewEltTy = getCanonicalType(NewEltTy); 22961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2297c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) 229850d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe( 229950d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor getConstantArrayType(NewEltTy, CAT->getSize(), 230050d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor CAT->getSizeModifier(), 23010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CAT->getIndexTypeCVRQualifiers())); 2302c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(AT)) 230350d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe( 230450d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor getIncompleteArrayType(NewEltTy, IAT->getSizeModifier(), 23050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall IAT->getIndexTypeCVRQualifiers())); 23061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2307898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor if (DependentSizedArrayType *DSAT = dyn_cast<DependentSizedArrayType>(AT)) 230850d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe( 230950d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor getDependentSizedArrayType(NewEltTy, 2310bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr() ? 2311bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr()->Retain() : 0, 231250d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor DSAT->getSizeModifier(), 23130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall DSAT->getIndexTypeCVRQualifiers(), 231487a924e37dc40c6e3e2b33d1dbd646aeccf4c15bDouglas Gregor DSAT->getBracketsRange())->getCanonicalTypeInternal()); 2315898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 2316c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VariableArrayType *VAT = cast<VariableArrayType>(AT); 231750d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe(getVariableArrayType(NewEltTy, 2318bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman VAT->getSizeExpr() ? 2319bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman VAT->getSizeExpr()->Retain() : 0, 232050d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor VAT->getSizeModifier(), 23210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getIndexTypeCVRQualifiers(), 232250d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor VAT->getBracketsRange())); 2323c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 2324c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 232528e318cc6008c2bc008f0caee70dc736a03d6289Chandler CarruthQualType ASTContext::getUnqualifiedArrayType(QualType T, 232628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth Qualifiers &Quals) { 23275535c38a2fcface6c13bc8bbeca66882de2fa227Chandler Carruth Quals = T.getQualifiers(); 23289dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor const ArrayType *AT = getAsArrayType(T); 23299dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (!AT) { 23305535c38a2fcface6c13bc8bbeca66882de2fa227Chandler Carruth return T.getUnqualifiedType(); 233128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 233228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 233328e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth QualType Elt = AT->getElementType(); 2334c1ae0a8b0022a9fbb50d3413139f36ec5d8a63beZhongxing Xu QualType UnqualElt = getUnqualifiedArrayType(Elt, Quals); 233528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth if (Elt == UnqualElt) 233628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return T; 233728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 23389dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) { 233928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return getConstantArrayType(UnqualElt, CAT->getSize(), 234028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth CAT->getSizeModifier(), 0); 234128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 234228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 23439dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(AT)) { 234428e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return getIncompleteArrayType(UnqualElt, IAT->getSizeModifier(), 0); 234528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 234628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 23479dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const VariableArrayType *VAT = dyn_cast<VariableArrayType>(AT)) { 23489dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor return getVariableArrayType(UnqualElt, 23499dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeExpr() ? 23509dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeExpr()->Retain() : 0, 23519dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeModifier(), 23529dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getIndexTypeCVRQualifiers(), 23539dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getBracketsRange()); 23549dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor } 23559dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor 23569dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor const DependentSizedArrayType *DSAT = cast<DependentSizedArrayType>(AT); 235728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return getDependentSizedArrayType(UnqualElt, DSAT->getSizeExpr()->Retain(), 235828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth DSAT->getSizeModifier(), 0, 235928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth SourceRange()); 236028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth} 236128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 23625a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// UnwrapSimilarPointerTypes - If T1 and T2 are pointer types that 23635a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// may be similar (C++ 4.4), replaces T1 and T2 with the type that 23645a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// they point to and return true. If T1 and T2 aren't pointer types 23655a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// or pointer-to-member types, or if they are not similar at this 23665a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// level, returns false and leaves T1 and T2 unchanged. Top-level 23675a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// qualifiers on T1 and T2 are ignored. This function will typically 23685a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// be called in a loop that successively "unwraps" pointer and 23695a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// pointer-to-member types to compare them at each level. 23705a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregorbool ASTContext::UnwrapSimilarPointerTypes(QualType &T1, QualType &T2) { 23715a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const PointerType *T1PtrType = T1->getAs<PointerType>(), 23725a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2PtrType = T2->getAs<PointerType>(); 23735a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1PtrType && T2PtrType) { 23745a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1PtrType->getPointeeType(); 23755a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2PtrType->getPointeeType(); 23765a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 23775a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 23785a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 23795a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const MemberPointerType *T1MPType = T1->getAs<MemberPointerType>(), 23805a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2MPType = T2->getAs<MemberPointerType>(); 23815a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1MPType && T2MPType && 23825a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor hasSameUnqualifiedType(QualType(T1MPType->getClass(), 0), 23835a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor QualType(T2MPType->getClass(), 0))) { 23845a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1MPType->getPointeeType(); 23855a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2MPType->getPointeeType(); 23865a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 23875a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 23885a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 23895a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (getLangOptions().ObjC1) { 23905a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const ObjCObjectPointerType *T1OPType = T1->getAs<ObjCObjectPointerType>(), 23915a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2OPType = T2->getAs<ObjCObjectPointerType>(); 23925a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1OPType && T2OPType) { 23935a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1OPType->getPointeeType(); 23945a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2OPType->getPointeeType(); 23955a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 23965a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 23975a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 23985a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 23995a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor // FIXME: Block pointers, too? 24005a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 24015a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return false; 24025a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor} 24035a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 240480ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCallDeclarationName ASTContext::getNameForTemplate(TemplateName Name) { 240580ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (TemplateDecl *TD = Name.getAsTemplateDecl()) 240680ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall return TD->getDeclName(); 240780ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 240880ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DependentTemplateName *DTN = Name.getAsDependentTemplateName()) { 240980ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DTN->isIdentifier()) { 241080ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall return DeclarationNames.getIdentifier(DTN->getIdentifier()); 241180ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } else { 241280ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall return DeclarationNames.getCXXOperatorName(DTN->getOperator()); 241380ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 241480ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 241580ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 24160bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *Storage = Name.getAsOverloadedTemplate(); 24170bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(Storage); 24180bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall return (*Storage->begin())->getDeclName(); 241980ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall} 242080ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 242125a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas GregorTemplateName ASTContext::getCanonicalTemplateName(TemplateName Name) { 242225a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor // If this template name refers to a template, the canonical 242325a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor // template name merely stores the template itself. 242425a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor if (TemplateDecl *Template = Name.getAsTemplateDecl()) 242597fbaa2a38804268a024f1a104b43fcf8b4411b0Argyrios Kyrtzidis return TemplateName(cast<TemplateDecl>(Template->getCanonicalDecl())); 242625a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 24270bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(!Name.getAsOverloadedTemplate()); 24281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 242925a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor DependentTemplateName *DTN = Name.getAsDependentTemplateName(); 243025a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor assert(DTN && "Non-dependent template names must refer to template decls."); 243125a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor return DTN->CanonicalTemplateName; 243225a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor} 243325a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 2434db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregorbool ASTContext::hasSameTemplateName(TemplateName X, TemplateName Y) { 2435db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor X = getCanonicalTemplateName(X); 2436db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor Y = getCanonicalTemplateName(Y); 2437db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor return X.getAsVoidPointer() == Y.getAsVoidPointer(); 2438db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor} 2439db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor 24401eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateArgument 24411275ae098acda31fe0e434510c729fcfed0458a1Douglas GregorASTContext::getCanonicalTemplateArgument(const TemplateArgument &Arg) { 24421275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor switch (Arg.getKind()) { 24431275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Null: 24441275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 24451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24461275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Expression: 24471275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 24481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24491275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Declaration: 2450833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(Arg.getAsDecl()->getCanonicalDecl()); 24511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2452788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor case TemplateArgument::Template: 2453788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor return TemplateArgument(getCanonicalTemplateName(Arg.getAsTemplate())); 2454788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor 24551275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Integral: 2456833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(*Arg.getAsIntegral(), 24571275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor getCanonicalType(Arg.getIntegralType())); 24581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24591275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Type: 2460833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(getCanonicalType(Arg.getAsType())); 24611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24621275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Pack: { 24631275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // FIXME: Allocate in ASTContext 24641275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateArgument *CanonArgs = new TemplateArgument[Arg.pack_size()]; 24651275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor unsigned Idx = 0; 24661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (TemplateArgument::pack_iterator A = Arg.pack_begin(), 24671275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor AEnd = Arg.pack_end(); 24681275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor A != AEnd; (void)++A, ++Idx) 24691275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs[Idx] = getCanonicalTemplateArgument(*A); 24701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24711275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateArgument Result; 24721275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor Result.setArgumentPack(CanonArgs, Arg.pack_size(), false); 24731275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Result; 24741275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 24751275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 24761275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 24771275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Silence GCC warning 24781275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor assert(false && "Unhandled template argument kind"); 24791275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return TemplateArgument(); 24801275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor} 24811275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 2482d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorNestedNameSpecifier * 2483d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorASTContext::getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS) { 24841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!NNS) 2485d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 2486d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2487d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor switch (NNS->getKind()) { 2488d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Identifier: 2489d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Canonicalize the prefix but keep the identifier the same. 24901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return NestedNameSpecifier::Create(*this, 2491d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor getCanonicalNestedNameSpecifier(NNS->getPrefix()), 2492d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NNS->getAsIdentifier()); 2493d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2494d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Namespace: 2495d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 2496d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // this namespace and no prefix. 2497d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NestedNameSpecifier::Create(*this, 0, NNS->getAsNamespace()); 2498d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2499d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpec: 2500d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpecWithTemplate: { 2501d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType T = getCanonicalType(QualType(NNS->getAsType(), 0)); 25021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return NestedNameSpecifier::Create(*this, 0, 25031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NNS->getKind() == NestedNameSpecifier::TypeSpecWithTemplate, 2504d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor T.getTypePtr()); 2505d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2506d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2507d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Global: 2508d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // The global specifier is canonical and unique. 2509d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NNS; 2510d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2511d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2512d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Required to silence a GCC warning 2513d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 2514d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 2515d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2516c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 2517c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerconst ArrayType *ASTContext::getAsArrayType(QualType T) { 2518c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the non-qualified case efficiently. 2519a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (!T.hasLocalQualifiers()) { 2520c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the common positive case fast. 2521c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ArrayType *AT = dyn_cast<ArrayType>(T)) 2522c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return AT; 2523c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 25241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Handle the common negative case fast. 2526c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType CType = T->getCanonicalTypeInternal(); 25270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!isa<ArrayType>(CType)) 2528c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return 0; 25291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Apply any qualifiers from the array type to the element type. This 2531c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // implements C99 6.7.3p8: "If the specification of an array type includes 2532c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // any type qualifiers, the element type is so qualified, not the array type." 25331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2534c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we get here, we either have type qualifiers on the type, or we have 2535c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // sugar such as a typedef in the way. If we have type qualifiers on the type 253650d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor // we must propagate them down into the element type. 25370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 25380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qs; 25390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *Ty = Qs.strip(T.getDesugaredType()); 25401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2541c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we have a simple case, just return now. 2542c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *ATy = dyn_cast<ArrayType>(Ty); 25430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (ATy == 0 || Qs.empty()) 2544c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return ATy; 25451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2546c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Otherwise, we have an array and we have qualifiers on it. Push the 2547c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // qualifiers into the array element type and return a new array type. 2548c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the canonical version of the element with the extra qualifiers on it. 2549c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // This can recursively sink qualifiers through multiple levels of arrays. 25500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType NewEltTy = getQualifiedType(ATy->getElementType(), Qs); 25511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2552c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(ATy)) 2553c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getConstantArrayType(NewEltTy, CAT->getSize(), 2554c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner CAT->getSizeModifier(), 25550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CAT->getIndexTypeCVRQualifiers())); 2556c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(ATy)) 2557c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getIncompleteArrayType(NewEltTy, 2558c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner IAT->getSizeModifier(), 25590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall IAT->getIndexTypeCVRQualifiers())); 2560898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 25611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const DependentSizedArrayType *DSAT 2562898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor = dyn_cast<DependentSizedArrayType>(ATy)) 2563898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return cast<ArrayType>( 25641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getDependentSizedArrayType(NewEltTy, 2565bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr() ? 2566bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr()->Retain() : 0, 2567898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor DSAT->getSizeModifier(), 25680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall DSAT->getIndexTypeCVRQualifiers(), 25697e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor DSAT->getBracketsRange())); 25701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2571c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *VAT = cast<VariableArrayType>(ATy); 25727e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return cast<ArrayType>(getVariableArrayType(NewEltTy, 2573bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman VAT->getSizeExpr() ? 25740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getSizeExpr()->Retain() : 0, 2575c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VAT->getSizeModifier(), 25760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getIndexTypeCVRQualifiers(), 25777e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor VAT->getBracketsRange())); 257877c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner} 257977c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 258077c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 2581e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// getArrayDecayedType - Return the properly qualified result of decaying the 2582e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// specified array type to a pointer. This operation is non-trivial when 2583e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// handling typedefs etc. The canonical type of "T" must be an array type, 2584e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// this returns a pointer to a properly qualified element of the array. 2585e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// 2586e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 2587e6327747b72bb687c948270f702ff53c30f411a6Chris LattnerQualType ASTContext::getArrayDecayedType(QualType Ty) { 2588c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the element type with 'getAsArrayType' so that we don't lose any 2589c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // typedefs in the element type of the array. This also handles propagation 2590c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // of type qualifiers from the array type into the element type if present 2591c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // (C99 6.7.3p8). 2592c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *PrettyArrayType = getAsArrayType(Ty); 2593c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner assert(PrettyArrayType && "Not an array type!"); 25941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2595c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType PtrTy = getPointerType(PrettyArrayType->getElementType()); 2596e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 2597e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner // int x[restrict 4] -> int *restrict 25980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getQualifiedType(PtrTy, PrettyArrayType->getIndexTypeQualifiers()); 2599e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner} 2600e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 26015e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas GregorQualType ASTContext::getBaseElementType(QualType QT) { 26020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qs; 26030237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer while (const ArrayType *AT = getAsArrayType(QualType(Qs.strip(QT), 0))) 26040237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer QT = AT->getElementType(); 26050237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer return Qs.apply(QT); 26065e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor} 26075e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor 2608fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders CarlssonQualType ASTContext::getBaseElementType(const ArrayType *AT) { 2609fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson QualType ElemTy = AT->getElementType(); 26101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2611fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson if (const ArrayType *AT = getAsArrayType(ElemTy)) 2612fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson return getBaseElementType(AT); 26131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26146183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson return ElemTy; 26156183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson} 26166183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 26170de78998e7bda473b408437053e48661b510d453Fariborz Jahanian/// getConstantArrayElementCount - Returns number of constant array elements. 26181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpuint64_t 26190de78998e7bda473b408437053e48661b510d453Fariborz JahanianASTContext::getConstantArrayElementCount(const ConstantArrayType *CA) const { 26200de78998e7bda473b408437053e48661b510d453Fariborz Jahanian uint64_t ElementCount = 1; 26210de78998e7bda473b408437053e48661b510d453Fariborz Jahanian do { 26220de78998e7bda473b408437053e48661b510d453Fariborz Jahanian ElementCount *= CA->getSize().getZExtValue(); 26230de78998e7bda473b408437053e48661b510d453Fariborz Jahanian CA = dyn_cast<ConstantArrayType>(CA->getElementType()); 26240de78998e7bda473b408437053e48661b510d453Fariborz Jahanian } while (CA); 26250de78998e7bda473b408437053e48661b510d453Fariborz Jahanian return ElementCount; 26260de78998e7bda473b408437053e48661b510d453Fariborz Jahanian} 26270de78998e7bda473b408437053e48661b510d453Fariborz Jahanian 26285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFloatingRank - Return a relative rank for floating point types. 26295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// This routine will assert if passed a built-in type that isn't a float. 2630a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerstatic FloatingRank getFloatingRank(QualType T) { 2631183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) 26325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getFloatingRank(CT->getElementType()); 2633a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 2634183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall assert(T->getAs<BuiltinType>() && "getFloatingRank(): not a floating type"); 2635183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall switch (T->getAs<BuiltinType>()->getKind()) { 2636a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner default: assert(0 && "getFloatingRank(): not a floating type"); 26375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Float: return FloatRank; 26385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Double: return DoubleRank; 26395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::LongDouble: return LongDoubleRank; 26405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 26415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 26425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 26431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getFloatingTypeOfSizeWithinDomain - Returns a real floating 26441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// point or a complex type (based on typeDomain/typeSize). 2645716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeDomain' is a real floating point or complex type. 2646716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeSize' is a real floating point or complex type. 26471361b11066239ea15764a2a844405352d87296b3Chris LattnerQualType ASTContext::getFloatingTypeOfSizeWithinDomain(QualType Size, 26481361b11066239ea15764a2a844405352d87296b3Chris Lattner QualType Domain) const { 26491361b11066239ea15764a2a844405352d87296b3Chris Lattner FloatingRank EltRank = getFloatingRank(Size); 26501361b11066239ea15764a2a844405352d87296b3Chris Lattner if (Domain->isComplexType()) { 26511361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 2652716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff default: assert(0 && "getFloatingRank(): illegal value for rank"); 2653f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case FloatRank: return FloatComplexTy; 2654f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case DoubleRank: return DoubleComplexTy; 2655f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case LongDoubleRank: return LongDoubleComplexTy; 2656f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 2657f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 26581361b11066239ea15764a2a844405352d87296b3Chris Lattner 26591361b11066239ea15764a2a844405352d87296b3Chris Lattner assert(Domain->isRealFloatingType() && "Unknown domain!"); 26601361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 26611361b11066239ea15764a2a844405352d87296b3Chris Lattner default: assert(0 && "getFloatingRank(): illegal value for rank"); 26621361b11066239ea15764a2a844405352d87296b3Chris Lattner case FloatRank: return FloatTy; 26631361b11066239ea15764a2a844405352d87296b3Chris Lattner case DoubleRank: return DoubleTy; 26641361b11066239ea15764a2a844405352d87296b3Chris Lattner case LongDoubleRank: return LongDoubleTy; 26655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 26665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 26675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 26687cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// getFloatingTypeOrder - Compare the rank of the two specified floating 26697cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// point types, ignoring the domain of the type (i.e. 'double' == 26707cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 26711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 2672a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerint ASTContext::getFloatingTypeOrder(QualType LHS, QualType RHS) { 2673a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank LHSR = getFloatingRank(LHS); 2674a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank RHSR = getFloatingRank(RHS); 26751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2676a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR == RHSR) 2677fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 0; 2678a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR > RHSR) 2679fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 1; 2680fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return -1; 26815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 26825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2683f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// getIntegerRank - Return an integer conversion rank (C99 6.3.1.1p1). This 2684f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// routine will assert if passed a built-in type that isn't an integer or enum, 2685f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// or if it is not canonicalized. 2686f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedmanunsigned ASTContext::getIntegerRank(Type *T) { 2687467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(T->isCanonicalUnqualified() && "T should be canonicalized"); 2688f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman if (EnumType* ET = dyn_cast<EnumType>(T)) 2689842aef8d942a880eeb9535d40de31a86838264cbJohn McCall T = ET->getDecl()->getPromotionType().getTypePtr(); 2690f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 2691a34267595534a72703290153a6f7e3da1adcec59Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::WChar)) 2692a34267595534a72703290153a6f7e3da1adcec59Eli Friedman T = getFromTargetType(Target.getWCharType()).getTypePtr(); 2693a34267595534a72703290153a6f7e3da1adcec59Eli Friedman 2694f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char16)) 2695f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar16Type()).getTypePtr(); 2696f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 2697f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char32)) 2698f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar32Type()).getTypePtr(); 2699f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 2700f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 27017cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner default: assert(0 && "getIntegerRank(): not a built-in integer"); 27027cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Bool: 2703f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 1 + (getIntWidth(BoolTy) << 3); 27047cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_S: 27057cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_U: 27067cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::SChar: 27077cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UChar: 2708f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 2 + (getIntWidth(CharTy) << 3); 27097cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Short: 27107cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UShort: 2711f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 3 + (getIntWidth(ShortTy) << 3); 27127cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Int: 27137cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UInt: 2714f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 4 + (getIntWidth(IntTy) << 3); 27157cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Long: 27167cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULong: 2717f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 5 + (getIntWidth(LongTy) << 3); 27187cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::LongLong: 27197cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULongLong: 2720f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 6 + (getIntWidth(LongLongTy) << 3); 27212df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 27222df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::UInt128: 27232df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return 7 + (getIntWidth(Int128Ty) << 3); 2724f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner } 2725f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner} 2726f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner 272704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \brief Whether this is a promotable bitfield reference according 272804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// to C99 6.3.1.1p2, bullet 2 (and GCC extensions). 272904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// 273004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \returns the type this bit-field will promote to, or NULL if no 273104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// promotion occurs. 273204e8357f6801e9ff52673e7e899a67bbabf9de93Eli FriedmanQualType ASTContext::isPromotableBitField(Expr *E) { 2733ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor if (E->isTypeDependent() || E->isValueDependent()) 2734ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor return QualType(); 2735ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor 273604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman FieldDecl *Field = E->getBitField(); 273704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (!Field) 273804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 273904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 274004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman QualType FT = Field->getType(); 274104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 274204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman llvm::APSInt BitWidthAP = Field->getBitWidth()->EvaluateAsInt(*this); 274304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t BitWidth = BitWidthAP.getZExtValue(); 274404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 274504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // GCC extension compatibility: if the bit-field size is less than or equal 274604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // to the size of int, it gets promoted no matter what its type is. 274704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // For instance, unsigned long bf : 4 gets promoted to signed int. 274804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth < IntSize) 274904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return IntTy; 275004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 275104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth == IntSize) 275204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return FT->isSignedIntegerType() ? IntTy : UnsignedIntTy; 275304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 275404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // Types bigger than int are not subject to promotions, and therefore act 275504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // like the base type. 275604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // FIXME: This doesn't quite match what gcc does, but what gcc does here 275704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // is ridiculous. 275804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 275904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman} 276004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 2761a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// getPromotedIntegerType - Returns the type that Promotable will 2762a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// promote to: C99 6.3.1.1p2, assuming that Promotable is a promotable 2763a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// integer type. 2764a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli FriedmanQualType ASTContext::getPromotedIntegerType(QualType Promotable) { 2765a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(!Promotable.isNull()); 2766a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isPromotableIntegerType()); 2767842aef8d942a880eeb9535d40de31a86838264cbJohn McCall if (const EnumType *ET = Promotable->getAs<EnumType>()) 2768842aef8d942a880eeb9535d40de31a86838264cbJohn McCall return ET->getDecl()->getPromotionType(); 2769a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (Promotable->isSignedIntegerType()) 2770a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return IntTy; 2771a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t PromotableSize = getTypeSize(Promotable); 2772a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 2773a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isUnsignedIntegerType() && PromotableSize <= IntSize); 2774a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return (PromotableSize != IntSize) ? IntTy : UnsignedIntTy; 2775a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman} 2776a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 27771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getIntegerTypeOrder - Returns the highest ranked integer type: 27787cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 27791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 27807cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattnerint ASTContext::getIntegerTypeOrder(QualType LHS, QualType RHS) { 2781f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Type *LHSC = getCanonicalType(LHS).getTypePtr(); 2782f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Type *RHSC = getCanonicalType(RHS).getTypePtr(); 27837cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSC == RHSC) return 0; 27841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2785f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool LHSUnsigned = LHSC->isUnsignedIntegerType(); 2786f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool RHSUnsigned = RHSC->isUnsignedIntegerType(); 27871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27887cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned LHSRank = getIntegerRank(LHSC); 27897cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned RHSRank = getIntegerRank(RHSC); 27901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27917cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned == RHSUnsigned) { // Both signed or both unsigned. 27927cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank == RHSRank) return 0; 27937cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return LHSRank > RHSRank ? 1 : -1; 27947cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 27951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27967cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // Otherwise, the LHS is signed and the RHS is unsigned or visa versa. 27977cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned) { 27987cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [LHS] type is larger, return it. 27997cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank >= RHSRank) 28007cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 28011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28027cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 28037cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 28041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 28057cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 28067cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 28077cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner 28087cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [RHS] type is larger, return it. 28097cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (RHSRank >= LHSRank) 28107cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 28111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28127cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 28137cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 28141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 28157cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 28165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 281771993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 281879cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlssonstatic RecordDecl * 281979cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders CarlssonCreateRecordDecl(ASTContext &Ctx, RecordDecl::TagKind TK, DeclContext *DC, 282079cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson SourceLocation L, IdentifierInfo *Id) { 282179cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson if (Ctx.getLangOptions().CPlusPlus) 282279cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson return CXXRecordDecl::Create(Ctx, TK, DC, L, Id); 282379cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson else 282479cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson return RecordDecl::Create(Ctx, TK, DC, L, Id); 282579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson} 282679cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 28271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// getCFConstantStringType - Return the type used for constant CFStrings. 282871993dd85eed9cc42c6b2fa61ee5c53026b74817Anders CarlssonQualType ASTContext::getCFConstantStringType() { 282971993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson if (!CFConstantStringTypeDecl) { 28301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CFConstantStringTypeDecl = 2831465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 283279cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("NSConstantString")); 28335cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall CFConstantStringTypeDecl->startDefinition(); 283479cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 2835f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson QualType FieldTypes[4]; 28361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 283771993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const int *isa; 28380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[0] = getPointerType(IntTy.withConst()); 2839f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson // int flags; 2840f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson FieldTypes[1] = IntTy; 284171993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const char *str; 28420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[2] = getPointerType(CharTy.withConst()); 284371993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // long length; 28441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[3] = LongTy; 28451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 284644b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor // Create fields 284744b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (unsigned i = 0; i < 4; ++i) { 28481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, CFConstantStringTypeDecl, 284944b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor SourceLocation(), 0, 2850a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 28511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 28524afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 28532888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 285417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis CFConstantStringTypeDecl->addDecl(Field); 285544b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 285644b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 2857838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor CFConstantStringTypeDecl->completeDefinition(); 285871993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson } 28591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 286071993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson return getTagDeclType(CFConstantStringTypeDecl); 28618467583c2704e7a9691ea56939a029015f0ade0aGabor Greif} 2862b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 2863319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setCFConstantStringType(QualType T) { 28646217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 2865319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid CFConstantStringType"); 2866319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor CFConstantStringTypeDecl = Rec->getDecl(); 2867319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 2868319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 28692bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian// getNSConstantStringType - Return the type used for constant NSStrings. 28702bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz JahanianQualType ASTContext::getNSConstantStringType() { 28712bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian if (!NSConstantStringTypeDecl) { 28722bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl = 2873465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 28742bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian &Idents.get("__builtin_NSString")); 28752bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->startDefinition(); 28762bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 28772bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian QualType FieldTypes[3]; 28782bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 28792bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // const int *isa; 28802bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[0] = getPointerType(IntTy.withConst()); 28812bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // const char *str; 28822bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[1] = getPointerType(CharTy.withConst()); 28832bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // unsigned int length; 28842bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[2] = UnsignedIntTy; 28852bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 28862bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // Create fields 28872bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian for (unsigned i = 0; i < 3; ++i) { 28882bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldDecl *Field = FieldDecl::Create(*this, NSConstantStringTypeDecl, 28892bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian SourceLocation(), 0, 28902bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[i], /*TInfo=*/0, 28912bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian /*BitWidth=*/0, 28922bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian /*Mutable=*/false); 28932888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 28942bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->addDecl(Field); 28952bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian } 28962bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 28972bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->completeDefinition(); 28982bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian } 28992bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 29002bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian return getTagDeclType(NSConstantStringTypeDecl); 29012bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian} 29022bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 29032bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanianvoid ASTContext::setNSConstantStringType(QualType T) { 29042bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian const RecordType *Rec = T->getAs<RecordType>(); 29052bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian assert(Rec && "Invalid NSConstantStringType"); 29062bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl = Rec->getDecl(); 29072bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian} 29082bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 29091eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getObjCFastEnumerationStateType() { 2910bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson if (!ObjCFastEnumerationStateTypeDecl) { 291144b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor ObjCFastEnumerationStateTypeDecl = 2912465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 291379cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__objcFastEnumerationState")); 29145cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall ObjCFastEnumerationStateTypeDecl->startDefinition(); 29151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2916bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson QualType FieldTypes[] = { 2917bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson UnsignedLongTy, 2918de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff getPointerType(ObjCIdTypedefType), 2919bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getPointerType(UnsignedLongTy), 2920bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getConstantArrayType(UnsignedLongTy, 2921bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson llvm::APInt(32, 5), ArrayType::Normal, 0) 2922bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson }; 29231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 292444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (size_t i = 0; i < 4; ++i) { 29251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, 29261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ObjCFastEnumerationStateTypeDecl, 29271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 0, 2928a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 29291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 29304afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 29312888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 293217945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis ObjCFastEnumerationStateTypeDecl->addDecl(Field); 293344b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 293438c9ab880b843a128f8d895d3e2e24877e178788Fariborz Jahanian if (getLangOptions().CPlusPlus) 293581148e9c24687564b3dd13bcb5e5e9f5100c0c95Fariborz Jahanian if (CXXRecordDecl *CXXRD = 293681148e9c24687564b3dd13bcb5e5e9f5100c0c95Fariborz Jahanian dyn_cast<CXXRecordDecl>(ObjCFastEnumerationStateTypeDecl)) 293738c9ab880b843a128f8d895d3e2e24877e178788Fariborz Jahanian CXXRD->setEmpty(false); 29381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2939838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor ObjCFastEnumerationStateTypeDecl->completeDefinition(); 2940bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson } 29411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2942bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson return getTagDeclType(ObjCFastEnumerationStateTypeDecl); 2943bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson} 2944bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 2945adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike StumpQualType ASTContext::getBlockDescriptorType() { 2946adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump if (BlockDescriptorType) 2947adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 2948adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2949adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 2950adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Needs the FlagAppleBlock bit. 2951465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 295279cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor")); 29535cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 2954adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2955adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 2956adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 2957adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 2958adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 2959adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2960adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 2961adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "reserved", 2962083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size" 2963adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 2964adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2965adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 2; ++i) { 2966adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump FieldDecl *Field = FieldDecl::Create(*this, 2967adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T, 2968adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump SourceLocation(), 2969adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 2970a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 2971adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*BitWidth=*/0, 2972adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*Mutable=*/false); 29732888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 2974adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 2975adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 2976adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2977838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 2978adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2979adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = T; 2980adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2981adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 2982adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 2983adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2984adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stumpvoid ASTContext::setBlockDescriptorType(QualType T) { 2985adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const RecordType *Rec = T->getAs<RecordType>(); 2986adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump assert(Rec && "Invalid BlockDescriptorType"); 2987adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = Rec->getDecl(); 2988adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 2989adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 2990083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike StumpQualType ASTContext::getBlockDescriptorExtendedType() { 2991083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump if (BlockDescriptorExtendedType) 2992083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 2993083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 2994083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump RecordDecl *T; 2995083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump // FIXME: Needs the FlagAppleBlock bit. 2996465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 299779cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor_withcopydispose")); 29985cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 2999083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3000083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType FieldTypes[] = { 3001083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3002083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3003083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy), 3004083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy) 3005083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3006083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3007083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const char *FieldNames[] = { 3008083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "reserved", 3009083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size", 3010083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "CopyFuncPtr", 3011083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "DestroyFuncPtr" 3012083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3013083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3014083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump for (size_t i = 0; i < 4; ++i) { 3015083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump FieldDecl *Field = FieldDecl::Create(*this, 3016083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T, 3017083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump SourceLocation(), 3018083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump &Idents.get(FieldNames[i]), 3019a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3020083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*BitWidth=*/0, 3021083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*Mutable=*/false); 30222888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3023083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T->addDecl(Field); 3024083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump } 3025083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3026838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3027083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3028083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = T; 3029083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3030083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3031083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 3032083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3033083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stumpvoid ASTContext::setBlockDescriptorExtendedType(QualType T) { 3034083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const RecordType *Rec = T->getAs<RecordType>(); 3035083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump assert(Rec && "Invalid BlockDescriptorType"); 3036083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = Rec->getDecl(); 3037083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 3038083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3039af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stumpbool ASTContext::BlockRequiresCopying(QualType Ty) { 3040af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (Ty->isBlockPointerType()) 3041af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3042af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (isObjCNSObjectType(Ty)) 3043af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3044af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (Ty->isObjCObjectPointerType()) 3045af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3046af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return false; 3047af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump} 3048af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3049af7b44d847d3e44c43346d508b2e55a6254b6e9dMike StumpQualType ASTContext::BuildByRefType(const char *DeclName, QualType Ty) { 3050af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // type = struct __Block_byref_1_X { 3051ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // void *__isa; 3052af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // struct __Block_byref_1_X *__forwarding; 3053ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __flags; 3054ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __size; 305538e1627e895cd276186ebf177f75ba5d229c3fd7Mike Stump // void *__copy_helper; // as needed 305638e1627e895cd276186ebf177f75ba5d229c3fd7Mike Stump // void *__destroy_help // as needed 3057af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // int X; 3058ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // } * 3059ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3060af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump bool HasCopyAndDispose = BlockRequiresCopying(Ty); 3061af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3062af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // FIXME: Move up 30634d0d85c3370f2726c74ba0ece0a5e712830a1d82Fariborz Jahanian static unsigned int UniqueBlockByRefTypeID = 0; 3064f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::SmallString<36> Name; 3065f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__Block_byref_" << 3066f5942a44880be26878592eb052b737579349411eBenjamin Kramer ++UniqueBlockByRefTypeID << '_' << DeclName; 3067af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump RecordDecl *T; 3068465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 306979cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get(Name.str())); 3070af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->startDefinition(); 3071af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType Int32Ty = IntTy; 3072af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump assert(getIntWidth(IntTy) == 32 && "non-32bit int not supported"); 3073af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType FieldTypes[] = { 3074af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3075af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(getTagDeclType(T)), 3076af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3077af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3078af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3079af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3080af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Ty 3081af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3082af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3083af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump const char *FieldNames[] = { 3084af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__isa", 3085af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__forwarding", 3086af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__flags", 3087af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__size", 3088af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__copy_helper", 3089af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__destroy_helper", 3090af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump DeclName, 3091af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3092af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3093af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump for (size_t i = 0; i < 7; ++i) { 3094af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (!HasCopyAndDispose && i >=4 && i <= 5) 3095af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump continue; 3096af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3097af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump &Idents.get(FieldNames[i]), 3098a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3099af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump /*BitWidth=*/0, /*Mutable=*/false); 31002888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3101af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->addDecl(Field); 3102af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump } 3103af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3104838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3105af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3106af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return getPointerType(getTagDeclType(T)); 3107ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump} 3108ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3109ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3110ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike StumpQualType ASTContext::getBlockParmType( 3111083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump bool BlockHasCopyDispose, 3112ea1471e0e967548c596a71469702f8846dbaf3c0John McCall llvm::SmallVectorImpl<const Expr *> &Layout) { 3113ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 3114adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Move up 31154d0d85c3370f2726c74ba0ece0a5e712830a1d82Fariborz Jahanian static unsigned int UniqueBlockParmTypeID = 0; 3116f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::SmallString<36> Name; 3117f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__block_literal_" 3118f5942a44880be26878592eb052b737579349411eBenjamin Kramer << ++UniqueBlockParmTypeID; 3119adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 3120465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 312179cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get(Name.str())); 31225cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3123adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 3124adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump getPointerType(VoidPtrTy), 3125adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump IntTy, 3126adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump IntTy, 3127adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump getPointerType(VoidPtrTy), 3128083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump (BlockHasCopyDispose ? 3129083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(getBlockDescriptorExtendedType()) : 3130083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(getBlockDescriptorType())) 3131adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3132adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3133adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 3134adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__isa", 3135adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__flags", 3136adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__reserved", 3137adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__FuncPtr", 3138adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__descriptor" 3139adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3140adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3141adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 5; ++i) { 3142ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3143adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 3144a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3145ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump /*BitWidth=*/0, /*Mutable=*/false); 31462888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3147ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump T->addDecl(Field); 3148ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump } 3149ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3150ea1471e0e967548c596a71469702f8846dbaf3c0John McCall for (unsigned i = 0; i < Layout.size(); ++i) { 3151ea1471e0e967548c596a71469702f8846dbaf3c0John McCall const Expr *E = Layout[i]; 3152ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 3153ea1471e0e967548c596a71469702f8846dbaf3c0John McCall QualType FieldType = E->getType(); 3154ea1471e0e967548c596a71469702f8846dbaf3c0John McCall IdentifierInfo *FieldName = 0; 3155ea1471e0e967548c596a71469702f8846dbaf3c0John McCall if (isa<CXXThisExpr>(E)) { 3156ea1471e0e967548c596a71469702f8846dbaf3c0John McCall FieldName = &Idents.get("this"); 3157ea1471e0e967548c596a71469702f8846dbaf3c0John McCall } else if (const BlockDeclRefExpr *BDRE = dyn_cast<BlockDeclRefExpr>(E)) { 3158ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump const ValueDecl *D = BDRE->getDecl(); 3159ea1471e0e967548c596a71469702f8846dbaf3c0John McCall FieldName = D->getIdentifier(); 3160ea1471e0e967548c596a71469702f8846dbaf3c0John McCall if (BDRE->isByRef()) 3161ea1471e0e967548c596a71469702f8846dbaf3c0John McCall FieldType = BuildByRefType(D->getNameAsCString(), FieldType); 3162ea1471e0e967548c596a71469702f8846dbaf3c0John McCall } else { 3163ea1471e0e967548c596a71469702f8846dbaf3c0John McCall // Padding. 3164ea1471e0e967548c596a71469702f8846dbaf3c0John McCall assert(isa<ConstantArrayType>(FieldType) && 3165ea1471e0e967548c596a71469702f8846dbaf3c0John McCall isa<DeclRefExpr>(E) && 3166ea1471e0e967548c596a71469702f8846dbaf3c0John McCall !cast<DeclRefExpr>(E)->getDecl()->getDeclName() && 3167ea1471e0e967548c596a71469702f8846dbaf3c0John McCall "doesn't match characteristics of padding decl"); 3168ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump } 3169ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3170ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3171ea1471e0e967548c596a71469702f8846dbaf3c0John McCall FieldName, FieldType, /*TInfo=*/0, 3172ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump /*BitWidth=*/0, /*Mutable=*/false); 31732888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3174adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 3175adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 3176adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3177838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3178ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3179ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump return getPointerType(getTagDeclType(T)); 3180adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3181adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3182319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setObjCFastEnumerationStateType(QualType T) { 31836217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 3184319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid ObjCFAstEnumerationStateType"); 3185319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor ObjCFastEnumerationStateTypeDecl = Rec->getDecl(); 3186319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 3187319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 3188e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// This returns true if a type has been typedefed to BOOL: 3189e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// typedef <type> BOOL; 31902d99833e8c956775f2183601cd120b65b569c867Chris Lattnerstatic bool isTypeTypedefedAsBOOL(QualType T) { 3191e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (const TypedefType *TT = dyn_cast<TypedefType>(T)) 3192bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner if (IdentifierInfo *II = TT->getDecl()->getIdentifier()) 3193bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner return II->isStr("BOOL"); 31941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 319585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return false; 319685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 319785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 3198a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingTypeSize returns size of type for objective-c encoding 319933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// purpose. 3200aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen DyckCharUnits ASTContext::getObjCEncodingTypeSize(QualType type) { 3201199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits sz = getTypeSizeInChars(type); 32021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 320333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Make all integer and enum types at least as large as an int 32042ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor if (sz.isPositive() && type->isIntegralOrEnumerationType()) 3205199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = std::max(sz, getTypeSizeInChars(IntTy)); 320633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Treat arrays as pointers, since that's how they're passed in. 320733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian else if (type->isArrayType()) 3208199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = getTypeSizeInChars(VoidPtrTy); 3209aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck return sz; 3210199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck} 3211199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck 3212199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstatic inline 3213199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstd::string charUnitsToString(const CharUnits &CU) { 3214199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return llvm::itostr(CU.getQuantity()); 321533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 321633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 32176f46c2653c1545cc3fef0c0df996d18160160ce8Fariborz Jahanian/// getObjCEncodingForBlockDecl - Return the encoded type for this block 32185e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall/// declaration. 32195e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnallvoid ASTContext::getObjCEncodingForBlock(const BlockExpr *Expr, 32205e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall std::string& S) { 32215e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall const BlockDecl *Decl = Expr->getBlockDecl(); 32225e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType BlockTy = 32235e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Expr->getType()->getAs<BlockPointerType>()->getPointeeType(); 32245e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Encode result type. 3225c71a4915ca216847599d03cab4ed1c5086b0eb43John McCall getObjCEncodingForType(BlockTy->getAs<FunctionType>()->getResultType(), S); 32265e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Compute size of all parameters. 32275e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Start with computing size of a pointer in number of bytes. 32285e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // FIXME: There might(should) be a better way of doing this computation! 32295e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall SourceLocation Loc; 3230199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 3231199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = PtrSize; 32326f46c2653c1545cc3fef0c0df996d18160160ce8Fariborz Jahanian for (BlockDecl::param_const_iterator PI = Decl->param_begin(), 32335e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall E = Decl->param_end(); PI != E; ++PI) { 32345e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = (*PI)->getType(); 3235aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3236199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && "BlockExpr - Incomplete param type"); 32375e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset += sz; 32385e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 32395e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Size of the argument frame 3240199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 32415e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Block pointer and offset. 32425e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall S += "@?0"; 32435e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 32445e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 32455e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Argument types. 32465e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 32475e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall for (BlockDecl::param_const_iterator PI = Decl->param_begin(), E = 32485e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Decl->param_end(); PI != E; ++PI) { 32495e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmVarDecl *PVDecl = *PI; 32505e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = PVDecl->getOriginalType(); 32515e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (const ArrayType *AT = 32525e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 32535e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Use array's original type only if it has known number of 32545e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // elements. 32555e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (!isa<ConstantArrayType>(AT)) 32565e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 32575e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } else if (PType->isFunctionType()) 32585e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 32595e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall getObjCEncodingForType(PType, S); 3260199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 3261aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 32625e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 32635e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall} 32645e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 3265a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingForMethodDecl - Return the encoded type for this method 326633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// declaration. 32671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, 3268e6db3b09a79d4affaa5c7becbfb6bba3c08430c1Chris Lattner std::string& S) { 3269c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 3270ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Encode type qualifer, 'in', 'inout', etc. for the return type. 3271a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek getObjCEncodingForTypeQualifier(Decl->getObjCDeclQualifier(), S); 327233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Encode result type. 32730d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(Decl->getResultType(), S); 327433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Compute size of all parameters. 327533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Start with computing size of a pointer in number of bytes. 327633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // FIXME: There might(should) be a better way of doing this computation! 327733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian SourceLocation Loc; 3278199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 327933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // The first two arguments (self and _cmd) are pointers; account for 328033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // their size. 3281199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = 2 * PtrSize; 328289951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 32837732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 328489951a86b594513c2a013532ed45d197413b1087Chris Lattner QualType PType = (*PI)->getType(); 3285aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3286199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && 3287199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck "getObjCEncodingForMethodDecl - Incomplete param type"); 328833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset += sz; 328933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 3290199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 329133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian S += "@0:"; 3292199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(PtrSize); 32931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 329433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Argument types. 329533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset = 2 * PtrSize; 329689951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 32977732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 329889951a86b594513c2a013532ed45d197413b1087Chris Lattner ParmVarDecl *PVDecl = *PI; 32991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType PType = PVDecl->getOriginalType(); 33004306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian if (const ArrayType *AT = 3301ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 3302ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // Use array's original type only if it has known number of 3303ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // elements. 3304bb3fde337fb712c0e6da8790d431621be4793048Steve Naroff if (!isa<ConstantArrayType>(AT)) 3305ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 3306ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff } else if (PType->isFunctionType()) 3307ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 3308ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Process argument qualifiers for user supplied arguments; such as, 330933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // 'in', 'inout', etc. 33104306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian getObjCEncodingForTypeQualifier(PVDecl->getObjCDeclQualifier(), S); 33110d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(PType, S); 3312199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 3313aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 331433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 331533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 331633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 3317c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// getObjCEncodingForPropertyDecl - Return the encoded type for this 331883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// property declaration. If non-NULL, Container must be either an 3319c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// ObjCCategoryImplDecl or ObjCImplementationDecl; it should only be 3320c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// NULL when getting encodings for protocol properties. 33211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Property attributes are stored as a comma-delimited C string. The simple 33221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// attributes readonly and bycopy are encoded as single characters. The 33231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parametrized attributes, getter=name, setter=name, and ivar=name, are 33241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// encoded as single characters, followed by an identifier. Property types 33251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// are also encoded as a parametrized attribute. The characters used to encode 332683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// these attributes are defined by the following enumeration: 332783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @code 332883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// enum PropertyAttributes { 332983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyReadOnly = 'R', // property is read-only. 333083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyBycopy = 'C', // property is a copy of the value last assigned 333183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyByref = '&', // property is a reference to the value last assigned 333283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyDynamic = 'D', // property is dynamic 333383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyGetter = 'G', // followed by getter selector name 333483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertySetter = 'S', // followed by setter selector name 333583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyInstanceVariable = 'V' // followed by instance variable name 333683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyType = 't' // followed by old-style type encoding. 333783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyWeak = 'W' // 'weak' property 333883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyStrong = 'P' // property GC'able 333983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyNonAtomic = 'N' // property non-atomic 334083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// }; 334183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @endcode 33421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 3343c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 3344e6db3b09a79d4affaa5c7becbfb6bba3c08430c1Chris Lattner std::string& S) { 3345c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Collect information from the property implementation decl(s). 3346c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar bool Dynamic = false; 3347c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *SynthesizePID = 0; 3348c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3349c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: Duplicated code due to poor abstraction. 3350c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Container) { 33511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCCategoryImplDecl *CID = 3352c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar dyn_cast<ObjCCategoryImplDecl>(Container)) { 3353c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 335417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = CID->propimpl_begin(), e = CID->propimpl_end(); 3355653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 3356c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 3357c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 3358c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 3359c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 3360c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3361c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 3362c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3363c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3364c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3365c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 336661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner const ObjCImplementationDecl *OID=cast<ObjCImplementationDecl>(Container); 3367c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 336817945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = OID->propimpl_begin(), e = OID->propimpl_end(); 3369653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 3370c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 3371c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 3372c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 3373c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 3374c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3375c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 3376c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3377c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 33781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 3379c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3380c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3381c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3382c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 3383c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S = "T"; 3384c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3385c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Encode result type. 3386090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // GCC has some special rules regarding encoding of properties which 3387090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // closely resembles encoding of ivars. 33881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PD->getType(), S, true, true, 0, 3389090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* outermost type */, 3390090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* encoding for property */); 3391c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3392c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->isReadOnly()) { 3393c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",R"; 3394c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3395c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar switch (PD->getSetterKind()) { 3396c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Assign: break; 3397c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Copy: S += ",C"; break; 33981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump case ObjCPropertyDecl::Retain: S += ",&"; break; 3399c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3400c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3401c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3402c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // It really isn't clear at all what this means, since properties 3403c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // are "dynamic by default". 3404c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Dynamic) 3405c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",D"; 3406c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3407090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_nonatomic) 3408090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian S += ",N"; 34091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3410c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_getter) { 3411c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",G"; 3412077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getGetterName().getAsString(); 3413c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3414c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3415c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_setter) { 3416c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",S"; 3417077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getSetterName().getAsString(); 3418c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3419c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3420c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (SynthesizePID) { 3421c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const ObjCIvarDecl *OID = SynthesizePID->getPropertyIvarDecl(); 3422c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",V"; 342339f34e97d6a468f0a7dfa5664c61217cffc65b74Chris Lattner S += OID->getNameAsString(); 3424c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3425c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3426c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: OBJCGC: weak & strong 3427c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar} 3428c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3429a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// getLegacyIntegralTypeEncoding - 34301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Another legacy compatibility encoding: 32-bit longs are encoded as 34311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 'l' or 'L' , but not always. For typedefs, we need to use 3432a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 'i' or 'I' instead if encoding a struct field, or a pointer! 3433a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 3434a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanianvoid ASTContext::getLegacyIntegralTypeEncoding (QualType &PointeeTy) const { 34358e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(PointeeTy.getTypePtr())) { 3436183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = PointeeTy->getAs<BuiltinType>()) { 3437c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian if (BT->getKind() == BuiltinType::ULong && 3438c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian ((const_cast<ASTContext *>(this))->getIntWidth(PointeeTy) == 32)) 3439a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = UnsignedIntTy; 34401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else 3441c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian if (BT->getKind() == BuiltinType::Long && 3442c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian ((const_cast<ASTContext *>(this))->getIntWidth(PointeeTy) == 32)) 3443a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = IntTy; 3444a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3445a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3446a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian} 3447a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 34487d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanianvoid ASTContext::getObjCEncodingForType(QualType T, std::string& S, 3449153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *Field) { 345082a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // We follow the behavior of gcc, expanding structures which are 345182a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // directly pointed to, and expanding embedded structures. Note that 345282a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // these rules are sufficient to prevent recursive encoding of the 345382a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // same type. 34541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(T, S, true, true, Field, 34555b8c7d9fb620ba3a71e996d61e7b9bdf763b5c09Fariborz Jahanian true /* outermost type */); 345682a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar} 345782a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar 345864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnallstatic char ObjCEncodingForPrimitiveKind(const ASTContext *C, QualType T) { 345964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall switch (T->getAs<BuiltinType>()->getKind()) { 346064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall default: assert(0 && "Unhandled builtin type kind"); 346164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Void: return 'v'; 346264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Bool: return 'B'; 346364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_U: 346464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UChar: return 'C'; 346564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UShort: return 'S'; 346664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt: return 'I'; 346764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULong: 346864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall return 346964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall (const_cast<ASTContext *>(C))->getIntWidth(T) == 32 ? 'L' : 'Q'; 347064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt128: return 'T'; 347164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULongLong: return 'Q'; 347264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_S: 347364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::SChar: return 'c'; 347464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Short: return 's'; 347524da7093a84e4eb92731e0565ab655697b2ed08fJohn McCall case BuiltinType::WChar: 347664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int: return 'i'; 347764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Long: 347864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall return 347964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall (const_cast<ASTContext *>(C))->getIntWidth(T) == 32 ? 'l' : 'q'; 348064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::LongLong: return 'q'; 348164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int128: return 't'; 348264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Float: return 'f'; 348364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Double: return 'd'; 348464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::LongDouble: return 'd'; 348564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 348664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall} 348764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall 34881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic void EncodeBitField(const ASTContext *Context, std::string& S, 348964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall QualType T, const FieldDecl *FD) { 34908b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian const Expr *E = FD->getBitWidth(); 34918b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian assert(E && "bitfield width not there - getObjCEncodingForTypeImpl"); 34928b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian ASTContext *Ctx = const_cast<ASTContext*>(Context); 34938b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'b'; 349464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The NeXT runtime encodes bit fields as b followed by the number of bits. 349564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The GNU runtime requires more information; bitfields are encoded as b, 349664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // then the offset (in bits) of the first element, then the type of the 349764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // bitfield, then the size in bits. For example, in this structure: 349864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // 349964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // struct 350064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // { 350164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int integer; 350264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int flags:2; 350364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // }; 350464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // On a 32-bit system, the encoding for flags would be b2 for the NeXT 350564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // runtime, but b32i2 for the GNU runtime. The reason for this extra 350664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // information is not especially sensible, but we're stuck with it for 350764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // compatibility with GCC, although providing it breaks anything that 350864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // actually uses runtime introspection and wants to work on both runtimes... 350964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (!Ctx->getLangOptions().NeXTRuntime) { 351064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const RecordDecl *RD = FD->getParent(); 351164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const ASTRecordLayout &RL = Ctx->getASTRecordLayout(RD); 351264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // FIXME: This same linear search is also used in ExprConstant - it might 351364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // be better if the FieldDecl stored its offset. We'd be increasing the 351464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // size of the object slightly, but saving some time every time it is used. 351564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall unsigned i = 0; 351664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall for (RecordDecl::field_iterator Field = RD->field_begin(), 351764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall FieldEnd = RD->field_end(); 351864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall Field != FieldEnd; (void)++Field, ++i) { 351964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (*Field == FD) 352064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall break; 352164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 352264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += llvm::utostr(RL.getFieldOffset(i)); 352364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += ObjCEncodingForPrimitiveKind(Context, T); 352464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 352564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall unsigned N = E->EvaluateAsInt(*Ctx).getZExtValue(); 35268b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += llvm::utostr(N); 35278b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian} 35288b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian 352901eb9b9683535d8a65c704ad2c545903409e2d36Daniel Dunbar// FIXME: Use SmallString for accumulating string. 353082a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbarvoid ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S, 353182a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 353282a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 3533153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *FD, 3534090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType, 35356ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor bool EncodingProperty) { 353664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (T->getAs<BuiltinType>()) { 3537ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (FD && FD->isBitField()) 353864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall return EncodeBitField(this, S, T, FD); 353964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += ObjCEncodingForPrimitiveKind(this, T); 3540ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3541ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 35421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3543183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) { 3544c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson S += 'j'; 35451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(CT->getElementType(), S, false, false, 0, false, 3546c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson false); 3547ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3548ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 354960bce3ef20a4c9684e3825cdd739fefb9810327dFariborz Jahanian 3550aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian // encoding for pointer or r3eference types. 3551aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian QualType PointeeTy; 35526217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType *PT = T->getAs<PointerType>()) { 35538d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (PT->isObjCSelType()) { 35548d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian S += ':'; 35558d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return; 35568d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian } 3557aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = PT->getPointeeType(); 3558aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian } 3559aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian else if (const ReferenceType *RT = T->getAs<ReferenceType>()) 3560aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = RT->getPointeeType(); 3561aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian if (!PointeeTy.isNull()) { 3562a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian bool isReadOnly = false; 3563a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // For historical/compatibility reasons, the read-only qualifier of the 3564a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // pointee gets emitted _before_ the '^'. The read-only qualifier of 3565a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // the pointer itself gets ignored, _unless_ we are looking at a typedef! 35661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Also, do not emit the 'r' for anything but the outermost type! 35678e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(T.getTypePtr())) { 3568a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (OutermostType && T.isConstQualified()) { 3569a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 3570a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 3571a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 35729fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else if (OutermostType) { 3573a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType P = PointeeTy; 35746217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek while (P->getAs<PointerType>()) 35756217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek P = P->getAs<PointerType>()->getPointeeType(); 3576a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (P.isConstQualified()) { 3577a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 3578a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 3579a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3580a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3581a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (isReadOnly) { 3582a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Another legacy compatibility encoding. Some ObjC qualifier and type 3583a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // combinations need to be rearranged. 3584a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Rewrite "in const" from "nr" to "rn" 35850237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer if (llvm::StringRef(S).endswith("nr")) 35860237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer S.replace(S.end()-2, S.end(), "rn"); 3587a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 35881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 358985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson if (PointeeTy->isCharType()) { 359085f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // char pointer types should be encoded as '*' unless it is a 359185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // type that has been typedef'd to 'BOOL'. 3592e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (!isTypeTypedefedAsBOOL(PointeeTy)) { 359385f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '*'; 359485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return; 359585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 35966217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek } else if (const RecordType *RTy = PointeeTy->getAs<RecordType>()) { 35979533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_class *" to "#". 35989533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_class")) { 35999533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '#'; 36009533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 36019533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 36029533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_object *" to "@". 36039533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_object")) { 36049533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '@'; 36059533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 36069533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 36079533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // fall through... 360885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 360985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '^'; 3610a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(PointeeTy); 3611a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 36121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, false, ExpandPointedToStructures, 361343822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian NULL); 3614ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3615ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 3616aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian 3617ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (const ArrayType *AT = 3618ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Ignore type qualifiers etc. 3619ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner dyn_cast<ArrayType>(T->getCanonicalTypeInternal())) { 3620559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson if (isa<IncompleteArrayType>(AT)) { 3621559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson // Incomplete arrays are encoded as a pointer to the array element. 3622559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '^'; 3623559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson 36241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 3625559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 3626559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } else { 3627559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '['; 36281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3629559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) 3630559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += llvm::utostr(CAT->getSize().getZExtValue()); 3631559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson else { 3632559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson //Variable length arrays are encoded as a regular array with 0 elements. 3633559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson assert(isa<VariableArrayType>(AT) && "Unknown array type!"); 3634559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '0'; 3635559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 36361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 36371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 3638559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 3639559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += ']'; 3640559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 3641ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3642ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 36431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3644183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (T->getAs<FunctionType>()) { 3645c0a87b7db06643178ad2cbce0767548c139ea387Anders Carlsson S += '?'; 3646ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3647ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 36481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 36496217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const RecordType *RTy = T->getAs<RecordType>()) { 365082a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar RecordDecl *RDecl = RTy->getDecl(); 3651d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? '(' : '{'; 3652502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar // Anonymous structures print as '?' 3653502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar if (const IdentifierInfo *II = RDecl->getIdentifier()) { 3654502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += II->getName(); 36556fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian if (ClassTemplateSpecializationDecl *Spec 36566fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = dyn_cast<ClassTemplateSpecializationDecl>(RDecl)) { 36576fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); 36586fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian std::string TemplateArgsStr 36596fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = TemplateSpecializationType::PrintTemplateArgumentList( 36606fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian TemplateArgs.getFlatArgumentList(), 36616fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian TemplateArgs.flat_size(), 36626fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian (*this).PrintingPolicy); 36636fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian 36646fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian S += TemplateArgsStr; 36656fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian } 3666502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } else { 3667502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += '?'; 3668502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } 36690d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar if (ExpandStructures) { 36707d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian S += '='; 367117945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (RecordDecl::field_iterator Field = RDecl->field_begin(), 367217945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis FieldEnd = RDecl->field_end(); 367344b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor Field != FieldEnd; ++Field) { 367443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (FD) { 3675d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += '"'; 367644b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor S += Field->getNameAsString(); 3677d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += '"'; 3678d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 36791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3680d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar // Special case bit-fields. 368143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (Field->isBitField()) { 36821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(Field->getType(), S, false, true, 368343822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian (*Field)); 3684d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } else { 3685a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType qt = Field->getType(); 3686a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(qt); 36871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(qt, S, false, true, 368843822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian FD); 3689d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 36907d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian } 36916de88a873a4cbe06d72602eef57d68006730a80bFariborz Jahanian } 3692d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? ')' : '}'; 3693ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3694ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 36951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3696ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isEnumeralType()) { 36978b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian if (FD && FD->isBitField()) 369864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall EncodeBitField(this, S, T, FD); 36998b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian else 37008b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'i'; 3701ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3702ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 37031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3704ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isBlockPointerType()) { 370521a98b188857d690aa4510c52ac4317ffa0908a8Steve Naroff S += "@?"; // Unlike a pointer-to-function, which is "^?". 3706ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3707ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 37081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3709c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Ignore protocol qualifiers when mangling at this level. 3710c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const ObjCObjectType *OT = T->getAs<ObjCObjectType>()) 3711c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T = OT->getBaseType(); 3712c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 37130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (const ObjCInterfaceType *OIT = T->getAs<ObjCInterfaceType>()) { 371443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian // @encode(class_name) 37150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ObjCInterfaceDecl *OI = OIT->getDecl(); 371643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '{'; 371743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian const IdentifierInfo *II = OI->getIdentifier(); 371843822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += II->getName(); 371943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '='; 3720f1690858344968358131f8d5690d9ee458883000Chris Lattner llvm::SmallVector<FieldDecl*, 32> RecFields; 372143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian CollectObjCIvars(OI, RecFields); 3722f1690858344968358131f8d5690d9ee458883000Chris Lattner for (unsigned i = 0, e = RecFields.size(); i != e; ++i) { 372343822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (RecFields[i]->isBitField()) 37241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(RecFields[i]->getType(), S, false, true, 372543822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian RecFields[i]); 372643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian else 37271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(RecFields[i]->getType(), S, false, true, 372843822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian FD); 372943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 373043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '}'; 3731ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 373243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 37331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3734183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = T->getAs<ObjCObjectPointerType>()) { 373514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (OPT->isObjCIdType()) { 373614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '@'; 373714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 3738ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 37391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 374027d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->isObjCClassType() || OPT->isObjCQualifiedClassType()) { 374127d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // FIXME: Consider if we need to output qualifiers for 'Class<p>'. 374227d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // Since this is a binary compatibility issue, need to consult with runtime 374327d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // folks. Fortunately, this is a *very* obsure construct. 374414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '#'; 374514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 3746ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 37471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3748ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (OPT->isObjCQualifiedIdType()) { 37491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(getObjCIdType(), S, 375014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandPointedToStructures, 375114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandStructures, FD); 375214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (FD || EncodingProperty) { 375314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Note that we do extended encoding of protocol qualifer list 375414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Only when doing ivar or property encoding. 375514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 375667ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 375767ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 375814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '<'; 375914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += (*I)->getNameAsString(); 376014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '>'; 376114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 376214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 376314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 376414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 3765ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 37661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3767ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner QualType PointeeTy = OPT->getPointeeType(); 3768ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (!EncodingProperty && 3769ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner isa<TypedefType>(PointeeTy.getTypePtr())) { 3770ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Another historical/compatibility reason. 37711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We encode the underlying type which comes out as 3772ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // {...}; 3773ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '^'; 37741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, 37751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump false, ExpandPointedToStructures, 3776ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner NULL); 377714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 377814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3779ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 3780ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '@'; 378127d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->getInterfaceDecl() && (FD || EncodingProperty)) { 3782ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 378327d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff S += OPT->getInterfaceDecl()->getIdentifier()->getName(); 378467ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 378567ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 3786ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '<'; 3787ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += (*I)->getNameAsString(); 3788ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '>'; 37891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 3790ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 3791ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 3792ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3793ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 37941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3795532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // gcc just blithely ignores member pointers. 3796532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // TODO: maybe there should be a mangling for these 3797532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall if (T->getAs<MemberPointerType>()) 3798532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall return; 3799532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall 3800ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner assert(0 && "@encode for type not implemented!"); 380185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 380285f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 38031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 3804ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string& S) const { 3805ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_In) 3806ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'n'; 3807ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Inout) 3808ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'N'; 3809ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Out) 3810ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'o'; 3811ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Bycopy) 3812ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'O'; 3813ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Byref) 3814ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'R'; 3815ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Oneway) 3816ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'V'; 3817ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian} 3818ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 3819ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setBuiltinVaListType(QualType T) { 3820b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson assert(BuiltinVaListType.isNull() && "__builtin_va_list type already set!"); 38211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3822b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson BuiltinVaListType = T; 3823b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson} 3824b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 3825ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCIdType(QualType T) { 3826de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = T; 38277e219e47de26346885d667131977bd9ca2d7662aSteve Naroff} 38287e219e47de26346885d667131977bd9ca2d7662aSteve Naroff 3829ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCSelType(QualType T) { 383013dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = T; 3831b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian} 3832b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 3833ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCProtoType(QualType QT) { 3834a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtoType = QT; 3835390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian} 3836390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 3837ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCClassType(QualType T) { 3838de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = T; 38398baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson} 38408baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 3841a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid ASTContext::setObjCConstantStringInterface(ObjCInterfaceDecl *Decl) { 38421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(ObjCConstantStringType.isNull() && 38432198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff "'NSConstantString' type already set!"); 38441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3845a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = getObjCInterfaceType(Decl); 38462198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff} 38472198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 38480bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// \brief Retrieve the template name that corresponds to a non-empty 38490bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// lookup. 3850eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCallTemplateName ASTContext::getOverloadedTemplateName(UnresolvedSetIterator Begin, 3851eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall UnresolvedSetIterator End) { 38520bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall unsigned size = End - Begin; 38530bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(size > 1 && "set is not overloaded!"); 38547532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 38550bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall void *memory = Allocate(sizeof(OverloadedTemplateStorage) + 38560bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall size * sizeof(FunctionTemplateDecl*)); 38570bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *OT = new(memory) OverloadedTemplateStorage(size); 38580bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall 38590bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl **Storage = OT->getStorage(); 3860eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall for (UnresolvedSetIterator I = Begin; I != End; ++I) { 38610bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl *D = *I; 38620bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(isa<FunctionTemplateDecl>(D) || 38630bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall (isa<UsingShadowDecl>(D) && 38640bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall isa<FunctionTemplateDecl>(D->getUnderlyingDecl()))); 38650bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall *Storage++ = D; 38667532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 38677532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 38680bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall return TemplateName(OT); 38697532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 38707532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 3871d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// \brief Retrieve the template name that represents a qualified 3872d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// template name such as \c std::vector. 38731eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateName ASTContext::getQualifiedTemplateName(NestedNameSpecifier *NNS, 3874d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor bool TemplateKeyword, 38750bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall TemplateDecl *Template) { 3876789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor // FIXME: Canonicalization? 3877d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor llvm::FoldingSetNodeID ID; 3878d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName::Profile(ID, NNS, TemplateKeyword, Template); 38791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3880d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor void *InsertPos = 0; 3881d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName *QTN = 38820bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall QualifiedTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 3883d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor if (!QTN) { 3884d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QTN = new (*this,4) QualifiedTemplateName(NNS, TemplateKeyword, Template); 3885d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateNames.InsertNode(QTN, InsertPos); 3886d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor } 38871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3888d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor return TemplateName(QTN); 3889d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor} 3890d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor 38917532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Retrieve the template name that represents a dependent 38927532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template name such as \c MetaFun::template apply. 38931eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateName ASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 38947532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const IdentifierInfo *Name) { 38951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert((!NNS || NNS->isDependent()) && 38963b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor "Nested name specifier must be dependent"); 38977532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 38987532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSetNodeID ID; 38997532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName::Profile(ID, NNS, Name); 39007532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 39017532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor void *InsertPos = 0; 39027532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName *QTN = 39037532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 39047532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 39057532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (QTN) 39067532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 39077532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 39087532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 39097532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (CanonNNS == NNS) { 39107532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name); 39117532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } else { 39127532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Name); 39137532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name, Canon); 3914789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN = 3915789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 3916789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent type name canonicalization broken"); 3917789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 39187532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 39197532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 39207532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 39217532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 39227532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 39237532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 3924ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Retrieve the template name that represents a dependent 3925ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// template name such as \c MetaFun::template operator+. 3926ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorTemplateName 3927ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 3928ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor OverloadedOperatorKind Operator) { 3929ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor assert((!NNS || NNS->isDependent()) && 3930ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor "Nested name specifier must be dependent"); 3931ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3932ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor llvm::FoldingSetNodeID ID; 3933ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateName::Profile(ID, NNS, Operator); 3934ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3935ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor void *InsertPos = 0; 3936789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *QTN 3937789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 3938ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3939ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (QTN) 3940ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 3941ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3942ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 3943ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (CanonNNS == NNS) { 3944ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator); 3945ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else { 3946ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Operator); 3947ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator, Canon); 3948789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 3949789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN 3950789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 3951789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent template name canonicalization broken"); 3952789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 3953ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 3954ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3955ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 3956ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 3957ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor} 3958ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 3959b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor/// getFromTargetType - Given one of the integer types provided by 3960d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// TargetInfo, produce the corresponding type. The unsigned @p Type 3961d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// is actually a value of type @c TargetInfo::IntType. 3962e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallCanQualType ASTContext::getFromTargetType(unsigned Type) const { 3963b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor switch (Type) { 3964e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall case TargetInfo::NoInt: return CanQualType(); 3965b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedShort: return ShortTy; 3966b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedShort: return UnsignedShortTy; 3967b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedInt: return IntTy; 3968b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedInt: return UnsignedIntTy; 3969b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLong: return LongTy; 3970b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLong: return UnsignedLongTy; 3971b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLongLong: return LongLongTy; 3972b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLongLong: return UnsignedLongLongTy; 3973b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor } 3974b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 3975b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor assert(false && "Unhandled TargetInfo::IntType value"); 3976e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall return CanQualType(); 3977b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor} 3978b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 3979b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 3980b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek// Type Predicates. 3981b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 3982b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 3983fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// isObjCNSObjectType - Return true if this is an NSObject object using 3984fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// NSObject attribute on a c-style pointer type. 3985fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// FIXME - Make it work directly on types. 3986f49545602089be5b1f744e04326b8a566f6d8773Steve Naroff/// FIXME: Move to Type. 3987fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// 3988fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanianbool ASTContext::isObjCNSObjectType(QualType Ty) const { 3989fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian if (TypedefType *TDT = dyn_cast<TypedefType>(Ty)) { 3990fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian if (TypedefDecl *TD = TDT->getDecl()) 399140b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (TD->getAttr<ObjCNSObjectAttr>()) 3992fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian return true; 3993fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian } 39941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return false; 3995fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian} 3996fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian 39974fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's 39984fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// garbage collection attribute. 39994fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// 40000953e767ff7817f97b3ab20896b229891eeff45bJohn McCallQualifiers::GC ASTContext::getObjCGCAttrKind(const QualType &Ty) const { 40010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GCAttrs = Qualifiers::GCNone; 40024fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian if (getLangOptions().ObjC1 && 40034fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian getLangOptions().getGCMode() != LangOptions::NonGC) { 4004b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner GCAttrs = Ty.getObjCGCAttr(); 40054fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian // Default behavious under objective-c's gc is for objective-c pointers 40061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // (or pointers to them) be treated as though they were declared 4007a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian // as __strong. 40080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GCAttrs == Qualifiers::GCNone) { 400975212ee91313bc1b6dd826d9b173541bc4016539Fariborz Jahanian if (Ty->isObjCObjectPointerType() || Ty->isBlockPointerType()) 40100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall GCAttrs = Qualifiers::Strong; 4011a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian else if (Ty->isPointerType()) 40126217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek return getObjCGCAttrKind(Ty->getAs<PointerType>()->getPointeeType()); 4013a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian } 4014c2112181b96349eb595dc5e8b7073b81ecdec0dbFariborz Jahanian // Non-pointers have none gc'able attribute regardless of the attribute 4015c2112181b96349eb595dc5e8b7073b81ecdec0dbFariborz Jahanian // set on them. 4016f49545602089be5b1f744e04326b8a566f6d8773Steve Naroff else if (!Ty->isAnyPointerType() && !Ty->isBlockPointerType()) 40170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qualifiers::GCNone; 40184fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian } 4019b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner return GCAttrs; 40204fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian} 40214fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian 40226ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 40236ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner// Type Compatibility Testing 40246ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 4025770951b5bb6028a8d326ddb4a13cef7d4a128162Chris Lattner 40261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// areCompatVectorTypes - Return true if the two specified vector types are 40276ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner/// compatible. 40286ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattnerstatic bool areCompatVectorTypes(const VectorType *LHS, 40296ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner const VectorType *RHS) { 4030467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(LHS->isCanonicalUnqualified() && RHS->isCanonicalUnqualified()); 40316ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return LHS->getElementType() == RHS->getElementType() && 403261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner LHS->getNumElements() == RHS->getNumElements(); 40336ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 40346ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 40354084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 40364084c306635b70f37029dca938444e6013f08684Steve Naroff// ObjCQualifiedIdTypesAreCompatible - Compatibility testing for qualified id's. 40374084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 40384084c306635b70f37029dca938444e6013f08684Steve Naroff 40394084c306635b70f37029dca938444e6013f08684Steve Naroff/// ProtocolCompatibleWithProtocol - return 'true' if 'lProto' is in the 40404084c306635b70f37029dca938444e6013f08684Steve Naroff/// inheritance hierarchy of 'rProto'. 40410fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanianbool ASTContext::ProtocolCompatibleWithProtocol(ObjCProtocolDecl *lProto, 40420fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian ObjCProtocolDecl *rProto) { 40434084c306635b70f37029dca938444e6013f08684Steve Naroff if (lProto == rProto) 404414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return true; 40454084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCProtocolDecl::protocol_iterator PI = rProto->protocol_begin(), 40464084c306635b70f37029dca938444e6013f08684Steve Naroff E = rProto->protocol_end(); PI != E; ++PI) 40474084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lProto, *PI)) 40484084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 40494084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 40504084c306635b70f37029dca938444e6013f08684Steve Naroff} 405114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 40524084c306635b70f37029dca938444e6013f08684Steve Naroff/// QualifiedIdConformsQualifiedId - compare id<p,...> with id<p1,...> 40534084c306635b70f37029dca938444e6013f08684Steve Naroff/// return true if lhs's protocols conform to rhs's protocol; false 40544084c306635b70f37029dca938444e6013f08684Steve Naroff/// otherwise. 40554084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::QualifiedIdConformsQualifiedId(QualType lhs, QualType rhs) { 40564084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhs->isObjCQualifiedIdType() && rhs->isObjCQualifiedIdType()) 40574084c306635b70f37029dca938444e6013f08684Steve Naroff return ObjCQualifiedIdTypesAreCompatible(lhs, rhs, false); 40584084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 40594084c306635b70f37029dca938444e6013f08684Steve Naroff} 40604084c306635b70f37029dca938444e6013f08684Steve Naroff 40614084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIdTypesAreCompatible - We know that one of lhs/rhs is an 40624084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIDType. 40634084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::ObjCQualifiedIdTypesAreCompatible(QualType lhs, QualType rhs, 40644084c306635b70f37029dca938444e6013f08684Steve Naroff bool compare) { 40654084c306635b70f37029dca938444e6013f08684Steve Naroff // Allow id<P..> and an 'id' or void* type in all cases. 40661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isVoidPointerType() || 40674084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->isObjCIdType() || lhs->isObjCClassType()) 40684084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 40691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else if (rhs->isVoidPointerType() || 40704084c306635b70f37029dca938444e6013f08684Steve Naroff rhs->isObjCIdType() || rhs->isObjCClassType()) 40714084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 40724084c306635b70f37029dca938444e6013f08684Steve Naroff 40734084c306635b70f37029dca938444e6013f08684Steve Naroff if (const ObjCObjectPointerType *lhsQID = lhs->getAsObjCQualifiedIdType()) { 4074183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 40751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 40764084c306635b70f37029dca938444e6013f08684Steve Naroff if (!rhsOPT) return false; 40771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 40784084c306635b70f37029dca938444e6013f08684Steve Naroff if (rhsOPT->qual_empty()) { 40791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a unqualified interface pointer "NSString*", 40804084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 40814084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 40824084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 40834084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 40844084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 40854084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 40864084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 40870fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (!rhsID->ClassImplementsProtocol(*I, true)) 40884084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 40894084c306635b70f37029dca938444e6013f08684Steve Naroff } 40904084c306635b70f37029dca938444e6013f08684Steve Naroff } 40914084c306635b70f37029dca938444e6013f08684Steve Naroff // If there are no qualifiers and no interface, we have an 'id'. 40924084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 40934084c306635b70f37029dca938444e6013f08684Steve Naroff } 40941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Both the right and left sides have qualifiers. 40954084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 40964084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 40974084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 40984084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 4099de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff 4100de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // when comparing an id<P> on lhs with a static type on rhs, 4101de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // see if static class implements all of id's protocols, directly or 4102de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // through its super class and categories. 41034084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 41044084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsOPT->qual_end(); J != E; ++J) { 41054084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 41064084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 41074084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 41084084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 41098f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 41108f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 4111de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 41121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a qualified interface pointer "NSString<P>*", 41134084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 41144084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 41154084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 41164084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 41174084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 41184084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 41194084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 41200fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (rhsID->ClassImplementsProtocol(*I, true)) { 41214084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 41224084c306635b70f37029dca938444e6013f08684Steve Naroff break; 41234084c306635b70f37029dca938444e6013f08684Steve Naroff } 41244084c306635b70f37029dca938444e6013f08684Steve Naroff } 41254084c306635b70f37029dca938444e6013f08684Steve Naroff } 41264084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 4127de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return false; 4128de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 41291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4130de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return true; 4131de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 41321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41334084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *rhsQID = rhs->getAsObjCQualifiedIdType(); 41344084c306635b70f37029dca938444e6013f08684Steve Naroff assert(rhsQID && "One of the LHS/RHS should be id<x>"); 41354084c306635b70f37029dca938444e6013f08684Steve Naroff 41361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCObjectPointerType *lhsOPT = 41374084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->getAsObjCInterfacePointerType()) { 41384084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhsOPT->qual_empty()) { 41394084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 41404084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *lhsID = lhsOPT->getInterfaceDecl()) { 41414084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = rhsQID->qual_begin(), 41424084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); I != E; ++I) { 41434084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 41444084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 41454084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 41460fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (lhsID->ClassImplementsProtocol(*I, true)) { 41474084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 41484084c306635b70f37029dca938444e6013f08684Steve Naroff break; 41494084c306635b70f37029dca938444e6013f08684Steve Naroff } 41504084c306635b70f37029dca938444e6013f08684Steve Naroff } 41514084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 41524084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 41534084c306635b70f37029dca938444e6013f08684Steve Naroff } 41544084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 41554084c306635b70f37029dca938444e6013f08684Steve Naroff } 41561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Both the right and left sides have qualifiers. 41574084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsOPT->qual_begin(), 41584084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsOPT->qual_end(); I != E; ++I) { 41594084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 41604084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 41614084c306635b70f37029dca938444e6013f08684Steve Naroff 41624084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 41634084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 41644084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 41654084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 41664084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); J != E; ++J) { 41674084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 41684084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 41694084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 41704084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 41714084c306635b70f37029dca938444e6013f08684Steve Naroff break; 41724084c306635b70f37029dca938444e6013f08684Steve Naroff } 41734084c306635b70f37029dca938444e6013f08684Steve Naroff } 41744084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 41754084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 41764084c306635b70f37029dca938444e6013f08684Steve Naroff } 41774084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 41784084c306635b70f37029dca938444e6013f08684Steve Naroff } 41794084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 41804084c306635b70f37029dca938444e6013f08684Steve Naroff} 41814084c306635b70f37029dca938444e6013f08684Steve Naroff 41824084c306635b70f37029dca938444e6013f08684Steve Naroff/// canAssignObjCInterfaces - Return true if the two interface types are 41834084c306635b70f37029dca938444e6013f08684Steve Naroff/// compatible for assignment from RHS to LHS. This handles validation of any 41844084c306635b70f37029dca938444e6013f08684Steve Naroff/// protocol qualifiers on the LHS or RHS. 41854084c306635b70f37029dca938444e6013f08684Steve Naroff/// 41864084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::canAssignObjCInterfaces(const ObjCObjectPointerType *LHSOPT, 41874084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *RHSOPT) { 4188c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 4189c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 4190c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 41914084c306635b70f37029dca938444e6013f08684Steve Naroff // If either type represents the built-in 'id' or 'Class' types, return true. 4192c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCUnqualifiedIdOrClass() || 4193c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHS->isObjCUnqualifiedIdOrClass()) 41944084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 41954084c306635b70f37029dca938444e6013f08684Steve Naroff 4196c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCQualifiedId() || RHS->isObjCQualifiedId()) 41971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 41981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType(RHSOPT,0), 41994084c306635b70f37029dca938444e6013f08684Steve Naroff false); 42004084c306635b70f37029dca938444e6013f08684Steve Naroff 4201c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If we have 2 user-defined types, fall into that path. 4202c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->getInterface() && RHS->getInterface()) 42034084c306635b70f37029dca938444e6013f08684Steve Naroff return canAssignObjCInterfaces(LHS, RHS); 42041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 42054084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 420614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 420714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4208132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// canAssignObjCInterfacesInBlockPointer - This routine is specifically written 4209132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// for providing type-safty for objective-c pointers used to pass/return 4210132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// arguments in block literals. When passed as arguments, passing 'A*' where 4211132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// 'id' is expected is not OK. Passing 'Sub *" where 'Super *" is expected is 4212132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// not OK. For the return type, the opposite is not OK. 4213132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::canAssignObjCInterfacesInBlockPointer( 4214132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *LHSOPT, 4215132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *RHSOPT) { 4216a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (RHSOPT->isObjCBuiltinType() || LHSOPT->isObjCIdType()) 4217132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4218132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4219132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHSOPT->isObjCBuiltinType()) { 4220132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return RHSOPT->isObjCBuiltinType() || RHSOPT->isObjCQualifiedIdType(); 4221132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4222132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4223a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (LHSOPT->isObjCQualifiedIdType() || RHSOPT->isObjCQualifiedIdType()) 4224132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 4225132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType(RHSOPT,0), 4226132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian false); 4227132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4228132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* LHS = LHSOPT->getInterfaceType(); 4229132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* RHS = RHSOPT->getInterfaceType(); 4230132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS && RHS) { // We have 2 user-defined types. 4231132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS != RHS) { 4232132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS->getDecl()->isSuperClassOf(RHS->getDecl())) 4233132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return false; 4234132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (RHS->getDecl()->isSuperClassOf(LHS->getDecl())) 4235132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4236132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4237132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 4238132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4239132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4240132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return false; 4241132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 4242132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4243e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// getIntersectionOfProtocols - This routine finds the intersection of set 4244e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// of protocols inherited from two distinct objective-c pointer objects. 4245e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// It is used to build composite qualifier list of the composite type of 4246e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// the conditional expression involving two objective-c pointer objects. 4247e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianstatic 4248e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid getIntersectionOfProtocols(ASTContext &Context, 4249e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *LHSOPT, 4250e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *RHSOPT, 4251e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallVectorImpl<ObjCProtocolDecl *> &IntersectionOfProtocols) { 4252e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4253c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 4254c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 4255c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS must have an interface base"); 4256c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS must have an interface base"); 4257e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4258e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> InheritedProtocolSet; 4259e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned LHSNumProtocols = LHS->getNumProtocols(); 4260e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (LHSNumProtocols > 0) 4261e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHS->qual_begin(), LHS->qual_end()); 4262e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 4263432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 4264c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(LHS->getInterface(), 4265c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSInheritedProtocols); 4266e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHSInheritedProtocols.begin(), 4267e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian LHSInheritedProtocols.end()); 4268e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4269e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4270e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned RHSNumProtocols = RHS->getNumProtocols(); 4271e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (RHSNumProtocols > 0) { 4272cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman ObjCProtocolDecl **RHSProtocols = 4273cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman const_cast<ObjCProtocolDecl **>(RHS->qual_begin()); 4274e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (unsigned i = 0; i < RHSNumProtocols; ++i) 4275e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (InheritedProtocolSet.count(RHSProtocols[i])) 4276e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian IntersectionOfProtocols.push_back(RHSProtocols[i]); 4277e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4278e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 4279432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> RHSInheritedProtocols; 4280c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(RHS->getInterface(), 4281c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSInheritedProtocols); 4282432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 4283432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian RHSInheritedProtocols.begin(), 4284432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian E = RHSInheritedProtocols.end(); I != E; ++I) 4285432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian if (InheritedProtocolSet.count((*I))) 4286432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian IntersectionOfProtocols.push_back((*I)); 4287e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4288e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 4289e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4290db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// areCommonBaseCompatible - Returns common base class of the two classes if 4291db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// one found. Note that this is O'2 algorithm. But it will be called as the 4292db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// last type comparison in a ?-exp of ObjC pointer types before a 4293db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// warning is issued. So, its invokation is extremely rare. 4294db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz JahanianQualType ASTContext::areCommonBaseCompatible( 4295c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Lptr, 4296c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Rptr) { 4297c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *LHS = Lptr->getObjectType(); 4298c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS = Rptr->getObjectType(); 4299c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* LDecl = LHS->getInterface(); 4300c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* RDecl = RHS->getInterface(); 4301c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!LDecl || !RDecl) 4302db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 4303db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4304c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall while ((LDecl = LDecl->getSuperClass())) { 4305c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHS = cast<ObjCInterfaceType>(getObjCInterfaceType(LDecl)); 4306e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (canAssignObjCInterfaces(LHS, RHS)) { 4307c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::SmallVector<ObjCProtocolDecl *, 8> Protocols; 4308c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getIntersectionOfProtocols(*this, Lptr, Rptr, Protocols); 4309c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4310c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType Result = QualType(LHS, 0); 4311c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!Protocols.empty()) 4312c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectType(Result, Protocols.data(), Protocols.size()); 4313c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectPointerType(Result); 4314c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return Result; 4315e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4316db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian } 4317db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4318db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 4319db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian} 4320db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4321c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallbool ASTContext::canAssignObjCInterfaces(const ObjCObjectType *LHS, 4322c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS) { 4323c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS is not an interface type"); 4324c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS is not an interface type"); 4325c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 43266ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Verify that the base decls are compatible: the RHS must be a subclass of 43276ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // the LHS. 4328c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!LHS->getInterface()->isSuperClassOf(RHS->getInterface())) 43296ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return false; 43301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43316ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // RHS must have a superset of the protocols in the LHS. If the LHS is not 43326ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // protocol qualified at all, then we are good. 4333c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (LHS->getNumProtocols() == 0) 43346ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; 43351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43366ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Okay, we know the LHS has protocol qualifiers. If the RHS doesn't, then it 43376ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // isn't a superset. 4338c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (RHS->getNumProtocols() == 0) 43396ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; // FIXME: should return false! 43401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4341c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator LHSPI = LHS->qual_begin(), 4342c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSPE = LHS->qual_end(); 434391b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff LHSPI != LHSPE; LHSPI++) { 434491b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff bool RHSImplementsProtocol = false; 434591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff 434691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // If the RHS doesn't implement the protocol on the left, the types 434791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // are incompatible. 4348c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator RHSPI = RHS->qual_begin(), 4349c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSPE = RHS->qual_end(); 43508f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff RHSPI != RHSPE; RHSPI++) { 43518f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff if ((*RHSPI)->lookupProtocolNamed((*LHSPI)->getIdentifier())) { 435291b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff RHSImplementsProtocol = true; 43538f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 43548f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 435591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 435691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // FIXME: For better diagnostics, consider passing back the protocol name. 435791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff if (!RHSImplementsProtocol) 435891b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return false; 435991b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 436091b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // The RHS implements all protocols listed on the LHS. 436191b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return true; 43626ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 43636ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 4364389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroffbool ASTContext::areComparableObjCPointerTypes(QualType LHS, QualType RHS) { 4365389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff // get the "pointed to" types 4366183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *LHSOPT = LHS->getAs<ObjCObjectPointerType>(); 4367183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *RHSOPT = RHS->getAs<ObjCObjectPointerType>(); 43681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 436914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (!LHSOPT || !RHSOPT) 4370389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return false; 437114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 437214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return canAssignObjCInterfaces(LHSOPT, RHSOPT) || 437314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff canAssignObjCInterfaces(RHSOPT, LHSOPT); 4374389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff} 4375389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff 43761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typesAreCompatible - C99 6.7.3p9: For two qualified types to be compatible, 4377ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// both shall have the identically qualified version of a compatible type. 43781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// C99 6.2.7p1: Two types have compatible types if their types are the 4379ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// same. See 6.7.[2,3,5] for additional rules. 43803d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedmanbool ASTContext::typesAreCompatible(QualType LHS, QualType RHS) { 43810e709abafbd939326850501f795cc7a92c88a354Douglas Gregor if (getLangOptions().CPlusPlus) 43820e709abafbd939326850501f795cc7a92c88a354Douglas Gregor return hasSameType(LHS, RHS); 43830e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 43843d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return !mergeTypes(LHS, RHS).isNull(); 43853d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 43863d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4387132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::typesAreBlockPointerCompatible(QualType LHS, QualType RHS) { 4388132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return !mergeTypes(LHS, RHS, true).isNull(); 4389132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 4390132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4391132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeFunctionTypes(QualType lhs, QualType rhs, 4392132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian bool OfBlockPointer) { 4393183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *lbase = lhs->getAs<FunctionType>(); 4394183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *rbase = rhs->getAs<FunctionType>(); 439572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *lproto = dyn_cast<FunctionProtoType>(lbase); 439672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *rproto = dyn_cast<FunctionProtoType>(rbase); 43973d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allLTypes = true; 43983d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allRTypes = true; 43993d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 44003d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check return type 4401132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType retType; 4402132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (OfBlockPointer) 4403132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian retType = mergeTypes(rbase->getResultType(), lbase->getResultType(), true); 4404132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 4405132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian retType = mergeTypes(lbase->getResultType(), rbase->getResultType()); 44063d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (retType.isNull()) return QualType(); 44076de8b62ae42818c0bd8878b0d1900e17c7c43e0eFariborz Jahanian if (getCanonicalType(retType) != getCanonicalType(lbase->getResultType())) 440861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 44096de8b62ae42818c0bd8878b0d1900e17c7c43e0eFariborz Jahanian if (getCanonicalType(retType) != getCanonicalType(rbase->getResultType())) 441061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 44116a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: double check this 44126a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: should we error if lbase->getRegParmAttr() != 0 && 44136a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // rbase->getRegParmAttr() != 0 && 44146a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // lbase->getRegParmAttr() != rbase->getRegParmAttr()? 4415264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo lbaseInfo = lbase->getExtInfo(); 4416264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo rbaseInfo = rbase->getExtInfo(); 44176a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar unsigned RegParm = lbaseInfo.getRegParm() == 0 ? rbaseInfo.getRegParm() : 44186a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar lbaseInfo.getRegParm(); 44196a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar bool NoReturn = lbaseInfo.getNoReturn() || rbaseInfo.getNoReturn(); 44206a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar if (NoReturn != lbaseInfo.getNoReturn() || 44216a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar RegParm != lbaseInfo.getRegParm()) 44226a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allLTypes = false; 44236a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar if (NoReturn != rbaseInfo.getNoReturn() || 44246a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar RegParm != rbaseInfo.getRegParm()) 44256a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allRTypes = false; 4426264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola CallingConv lcc = lbaseInfo.getCC(); 4427264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola CallingConv rcc = rbaseInfo.getCC(); 4428ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor // Compatible functions must have compatible calling conventions 442904a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (!isSameCallConv(lcc, rcc)) 4430ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor return QualType(); 44311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 44323d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto && rproto) { // two C99 style function prototypes 4433465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!lproto->hasExceptionSpec() && !rproto->hasExceptionSpec() && 4434465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl "C++ shouldn't be here"); 44353d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned lproto_nargs = lproto->getNumArgs(); 44363d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned rproto_nargs = rproto->getNumArgs(); 44373d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 44383d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Compatible functions must have the same number of arguments 44393d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto_nargs != rproto_nargs) 44403d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 44413d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 44423d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Variadic and non-variadic functions aren't compatible 44433d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto->isVariadic() != rproto->isVariadic()) 44443d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 44453d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 44467fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis if (lproto->getTypeQuals() != rproto->getTypeQuals()) 44477fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis return QualType(); 44487fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis 44493d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check argument compatibility 44503d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman llvm::SmallVector<QualType, 10> types; 44513d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < lproto_nargs; i++) { 44523d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType largtype = lproto->getArgType(i).getUnqualifiedType(); 44533d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType rargtype = rproto->getArgType(i).getUnqualifiedType(); 4454132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType argtype = mergeTypes(largtype, rargtype, OfBlockPointer); 44553d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argtype.isNull()) return QualType(); 44563d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman types.push_back(argtype); 445761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(largtype)) 445861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 445961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(rargtype)) 446061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 44613d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 44623d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 44633d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 44643d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, types.begin(), types.size(), 44652455636163fdd18581d7fdae816433f886d88213Mike Stump lproto->isVariadic(), lproto->getTypeQuals(), 4466264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, false, 0, 0, 4467425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo(NoReturn, RegParm, lcc)); 44683d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 44693d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 44703d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto) allRTypes = false; 44713d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (rproto) allLTypes = false; 44723d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 447372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *proto = lproto ? lproto : rproto; 44743d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto) { 4475465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!proto->hasExceptionSpec() && "C++ shouldn't be here"); 44763d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto->isVariadic()) return QualType(); 44773d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check that the types are compatible with the types that 44783d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // would result from default argument promotions (C99 6.7.5.3p15). 44793d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // The only types actually affected are promotable integer 44803d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // types and floats, which would be passed as a different 44813d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // type depending on whether the prototype is visible. 44823d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned proto_nargs = proto->getNumArgs(); 44833d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < proto_nargs; ++i) { 44843d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType argTy = proto->getArgType(i); 4485b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 4486b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // Look at the promotion type of enum types, since that is the type used 4487b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // to pass enum values. 4488b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor if (const EnumType *Enum = argTy->getAs<EnumType>()) 4489b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor argTy = Enum->getDecl()->getPromotionType(); 4490b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 44913d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argTy->isPromotableIntegerType() || 44923d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman getCanonicalType(argTy).getUnqualifiedType() == FloatTy) 44933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 44943d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 44953d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 44963d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 44973d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 44983d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, proto->arg_type_begin(), 44992d3c191e1d5545e1724ee6e0550c70eef54beff2Mike Stump proto->getNumArgs(), proto->isVariadic(), 4500264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola proto->getTypeQuals(), 4501264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, false, 0, 0, 4502425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo(NoReturn, RegParm, lcc)); 45033d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 45043d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 45053d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 45063d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 4507425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo Info(NoReturn, RegParm, lcc); 4508264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getFunctionNoProtoType(retType, Info); 45093d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 45103d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4511132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeTypes(QualType LHS, QualType RHS, 4512132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian bool OfBlockPointer) { 451343d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // C++ [expr]: If an expression initially has the type "reference to T", the 451443d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // type is adjusted to "T" prior to any further analysis, the expression 451543d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // designates the object or function denoted by the reference, and the 45167c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // expression is an lvalue unless the reference is an rvalue reference and 45177c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // the expression is a function call (possibly inside parentheses). 45180e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!LHS->getAs<ReferenceType>() && "LHS is a reference type?"); 45190e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!RHS->getAs<ReferenceType>() && "RHS is a reference type?"); 45200e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 45213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSCan = getCanonicalType(LHS), 45223d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman RHSCan = getCanonicalType(RHS); 45233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4524f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner // If two types are identical, they are compatible. 45253d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LHSCan == RHSCan) 45263d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 45273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 45280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the qualifiers are different, the types aren't compatible... mostly. 4529a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers LQuals = LHSCan.getLocalQualifiers(); 4530a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers RQuals = RHSCan.getLocalQualifiers(); 45310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals != RQuals) { 45320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If any of these qualifiers are different, we have a type 45330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // mismatch. 45340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 45350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall LQuals.getAddressSpace() != RQuals.getAddressSpace()) 45360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 45370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 45380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Exactly one GC qualifier difference is allowed: __strong is 45390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // okay if the other type has no GC qualifier but is an Objective 45400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // C object pointer (i.e. implicitly strong by default). We fix 45410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // this by pretending that the unqualified type was actually 45420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualified __strong. 45430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 45440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 45450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 45460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 45470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 45480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 45490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 45500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Strong && RHSCan->isObjCObjectPointerType()) { 45510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(LHS, getObjCGCQualType(RHS, Qualifiers::Strong)); 45520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 45530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_R == Qualifiers::Strong && LHSCan->isObjCObjectPointerType()) { 45540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(getObjCGCQualType(LHS, Qualifiers::Strong), RHS); 45550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 45563d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 45570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 45580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 45590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Okay, qualifiers are equal. 45603d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4561852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass LHSClass = LHSCan->getTypeClass(); 4562852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass RHSClass = RHSCan->getTypeClass(); 4563f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner 45641adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // We want to consider the two function types to be the same for these 45651adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // comparisons, just force one to the other. 45661adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (LHSClass == Type::FunctionProto) LHSClass = Type::FunctionNoProto; 45671adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (RHSClass == Type::FunctionProto) RHSClass = Type::FunctionNoProto; 45684c721d381fb279899337d120edd4a24d405e56b2Eli Friedman 45694c721d381fb279899337d120edd4a24d405e56b2Eli Friedman // Same as above for arrays 4570a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (LHSClass == Type::VariableArray || LHSClass == Type::IncompleteArray) 4571a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner LHSClass = Type::ConstantArray; 4572a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (RHSClass == Type::VariableArray || RHSClass == Type::IncompleteArray) 4573a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner RHSClass = Type::ConstantArray; 45741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4575c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // ObjCInterfaces are just specialized ObjCObjects. 4576c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHSClass == Type::ObjCInterface) LHSClass = Type::ObjCObject; 4577c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (RHSClass == Type::ObjCInterface) RHSClass = Type::ObjCObject; 4578c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4579213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman // Canonicalize ExtVector -> Vector. 4580213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (LHSClass == Type::ExtVector) LHSClass = Type::Vector; 4581213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (RHSClass == Type::ExtVector) RHSClass = Type::Vector; 45821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 45834e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff // If the canonical type classes don't match. 45844e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff if (LHSClass != RHSClass) { 45851adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // C99 6.7.2.2p4: Each enumerated type shall be compatible with char, 45861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // a signed integer type, or an unsigned integer type. 4587842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // Compatibility is based on the underlying type, not the promotion 4588842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // type. 4589183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = LHS->getAs<EnumType>()) { 45903d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == RHSCan.getUnqualifiedType()) 45913d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 4592bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 4593183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = RHS->getAs<EnumType>()) { 45943d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == LHSCan.getUnqualifiedType()) 45953d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 4596bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 45971adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner 45983d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 4599ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 46003d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 46014a74678ed6c3dedac05d02b1ee341f1db869f049Steve Naroff // The canonical type classes match. 46021adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner switch (LHSClass) { 460372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 460472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 4605ad5e73887052193afda72db8efcb812bd083a4a8John McCall#define NON_CANONICAL_UNLESS_DEPENDENT_TYPE(Class, Base) case Type::Class: 460672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 460772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 460872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 460972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Non-canonical and dependent types shouldn't get here"); 461072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 461172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 46127c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::LValueReference: 46137c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::RValueReference: 461472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::MemberPointer: 461572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "C++ should never be in mergeTypes"); 461672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 461772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 4618c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCInterface: 461972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 462072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::VariableArray: 462172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::FunctionProto: 462272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::ExtVector: 462372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Types are eliminated above"); 462472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 462572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 46261adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Pointer: 46273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 46283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Merge two pointer types, while trying to preserve typedef info 46296217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<PointerType>()->getPointeeType(); 46306217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<PointerType>()->getPointeeType(); 46313d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType ResultType = mergeTypes(LHSPointee, RHSPointee); 46323d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 463307d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 463461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 463507d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 463661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 46373d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getPointerType(ResultType); 46383d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 4639c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff case Type::BlockPointer: 4640c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff { 4641c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff // Merge two block pointer types, while trying to preserve typedef info 46426217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<BlockPointerType>()->getPointeeType(); 46436217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<BlockPointerType>()->getPointeeType(); 4644132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType ResultType = mergeTypes(LHSPointee, RHSPointee, OfBlockPointer); 4645c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (ResultType.isNull()) return QualType(); 4646c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 4647c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return LHS; 4648c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 4649c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return RHS; 4650c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return getBlockPointerType(ResultType); 4651c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff } 46521adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::ConstantArray: 46533d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 46543d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* LCAT = getAsConstantArrayType(LHS); 46553d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* RCAT = getAsConstantArrayType(RHS); 46563d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LCAT && RCAT && RCAT->getSize() != LCAT->getSize()) 46573d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 46583d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 46593d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSElem = getAsArrayType(LHS)->getElementType(); 46603d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType RHSElem = getAsArrayType(RHS)->getElementType(); 46613d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType ResultType = mergeTypes(LHSElem, RHSElem); 46623d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 466361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LCAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 466461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 466561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RCAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 466661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 46673bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (LCAT) return getConstantArrayType(ResultType, LCAT->getSize(), 46683bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 46693bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (RCAT) return getConstantArrayType(ResultType, RCAT->getSize(), 46703bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 46713d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* LVAT = getAsVariableArrayType(LHS); 46723d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* RVAT = getAsVariableArrayType(RHS); 467361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LVAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 467461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 467561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RVAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 467661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 46773d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LVAT) { 46783d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 46793d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of LHS, but the type 46803d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 46813d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 46823d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 46833d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (RVAT) { 46843d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 46853d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of RHS, but the type 46863d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 46873d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 46883d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 46893bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(LHSElem) == getCanonicalType(ResultType)) return LHS; 46903bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(RHSElem) == getCanonicalType(ResultType)) return RHS; 46917e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return getIncompleteArrayType(ResultType, 46927e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArrayType::ArraySizeModifier(), 0); 46933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 46941adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::FunctionNoProto: 4695132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return mergeFunctionTypes(LHS, RHS, OfBlockPointer); 469672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 469772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: 46983d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 46991adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Builtin: 47003cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner // Only exactly equal builtin types are compatible, which is tested above. 47013d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 470264cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar case Type::Complex: 470364cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar // Distinct complex types are incompatible. 470464cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar return QualType(); 47053cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner case Type::Vector: 47065a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: The merged type should be an ExtVector! 47071c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall if (areCompatVectorTypes(LHSCan->getAs<VectorType>(), 47081c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall RHSCan->getAs<VectorType>())) 47093d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 471061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return QualType(); 4711c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: { 4712c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Check if the types are assignment compatible. 47135a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: This should be type compatibility, e.g. whether 47145a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // "LHS x; RHS x;" at global scope is legal. 4715c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHSIface = LHS->getAs<ObjCObjectType>(); 4716c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHSIface = RHS->getAs<ObjCObjectType>(); 4717c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (canAssignObjCInterfaces(LHSIface, RHSIface)) 47185fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff return LHS; 47195fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff 47203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 472161490e9a965cfee8a78c12c6802138844f04250dCedric Venet } 472214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff case Type::ObjCObjectPointer: { 4723132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (OfBlockPointer) { 4724132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (canAssignObjCInterfacesInBlockPointer( 4725132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian LHS->getAs<ObjCObjectPointerType>(), 4726132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian RHS->getAs<ObjCObjectPointerType>())) 4727132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return LHS; 4728132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return QualType(); 4729132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4730183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (canAssignObjCInterfaces(LHS->getAs<ObjCObjectPointerType>(), 4731183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall RHS->getAs<ObjCObjectPointerType>())) 473214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return LHS; 473314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4734bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff return QualType(); 4735132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4736ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 473772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 473872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 4739ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff} 47407192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek 47412390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// mergeObjCGCQualifiers - This routine merges ObjC's GC attribute of 'LHS' and 47422390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// 'RHS' attributes and returns the merged version; including for function 47432390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// return types. 47442390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz JahanianQualType ASTContext::mergeObjCGCQualifiers(QualType LHS, QualType RHS) { 47452390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSCan = getCanonicalType(LHS), 47462390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian RHSCan = getCanonicalType(RHS); 47472390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If two types are identical, they are compatible. 47482390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan == RHSCan) 47492390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 47502390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (RHSCan->isFunctionType()) { 47512390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (!LHSCan->isFunctionType()) 47522390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 47532390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType OldReturnType = 47542390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(RHSCan.getTypePtr())->getResultType(); 47552390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType NewReturnType = 47562390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(LHSCan.getTypePtr())->getResultType(); 47572390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResReturnType = 47582390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian mergeObjCGCQualifiers(NewReturnType, OldReturnType); 47592390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType.isNull()) 47602390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 47612390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType == NewReturnType || ResReturnType == OldReturnType) { 47622390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // id foo(); ... __strong id foo(); or: __strong id foo(); ... id foo(); 47632390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // In either case, use OldReturnType to build the new function type. 47642390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian const FunctionType *F = LHS->getAs<FunctionType>(); 47652390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (const FunctionProtoType *FPT = cast<FunctionProtoType>(F)) { 47662390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FunctionType::ExtInfo Info = getFunctionExtInfo(LHS); 47672390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResultType 47682390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian = getFunctionType(OldReturnType, FPT->arg_type_begin(), 47692390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->getNumArgs(), FPT->isVariadic(), 47702390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->getTypeQuals(), 47712390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->hasExceptionSpec(), 47722390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->hasAnyExceptionSpec(), 47732390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->getNumExceptions(), 47742390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->exception_begin(), 47752390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Info); 47762390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return ResultType; 47772390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 47782390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 47792390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 47802390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 47812390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 47822390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If the qualifiers are different, the types can still be merged. 47832390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers LQuals = LHSCan.getLocalQualifiers(); 47842390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers RQuals = RHSCan.getLocalQualifiers(); 47852390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals != RQuals) { 47862390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If any of these qualifiers are different, we have a type mismatch. 47872390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 47882390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian LQuals.getAddressSpace() != RQuals.getAddressSpace()) 47892390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 47902390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 47912390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // Exactly one GC qualifier difference is allowed: __strong is 47922390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // okay if the other type has no GC qualifier but is an Objective 47932390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // C object pointer (i.e. implicitly strong by default). We fix 47942390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // this by pretending that the unqualified type was actually 47952390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // qualified __strong. 47962390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 47972390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 47982390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 47992390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 48002390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 48012390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 48022390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 48032390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Strong) 48042390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 48052390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_R == Qualifiers::Strong) 48062390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 48072390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 48082390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 48092390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 48102390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan->isObjCObjectPointerType() && RHSCan->isObjCObjectPointerType()) { 48112390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSBaseQT = LHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 48122390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType RHSBaseQT = RHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 48132390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResQT = mergeObjCGCQualifiers(LHSBaseQT, RHSBaseQT); 48142390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == LHSBaseQT) 48152390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 48162390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == RHSBaseQT) 48172390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 48182390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 48192390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 48202390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian} 48212390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 48225426bf6456a5aeac416a9150de157904d101c819Chris Lattner//===----------------------------------------------------------------------===// 4823ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman// Integer Predicates 4824ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman//===----------------------------------------------------------------------===// 482588054dee0402e4d3c1f64e6b697acc47195c0d72Chris Lattner 4826ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedmanunsigned ASTContext::getIntWidth(QualType T) { 4827632d772a78db7e2cd9b36f8a22aee49d44486fbfSebastian Redl if (T->isBooleanType()) 4828ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return 1; 4829842aef8d942a880eeb9535d40de31a86838264cbJohn McCall if (EnumType *ET = dyn_cast<EnumType>(T)) 483029a7f3342c3c6dd15d914c61ae22246c36d51ce7Eli Friedman T = ET->getDecl()->getIntegerType(); 4831f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // For builtin types, just use the standard type sizing method 4832ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return (unsigned)getTypeSize(T); 4833ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 4834ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 4835ad74a758189180b8ab8faea648e4766c3bfd7fcbEli FriedmanQualType ASTContext::getCorrespondingUnsignedType(QualType T) { 4836ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman assert(T->isSignedIntegerType() && "Unexpected type"); 48376a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 48386a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // Turn <4 x signed int> -> <4 x unsigned int> 48396a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const VectorType *VTy = T->getAs<VectorType>()) 48406a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner return getVectorType(getCorrespondingUnsignedType(VTy->getElementType()), 484182287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VTy->getNumElements(), VTy->isAltiVec(), VTy->isPixel()); 48426a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 48436a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // For enums, we return the unsigned version of the base type. 48446a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const EnumType *ETy = T->getAs<EnumType>()) 4845ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman T = ETy->getDecl()->getIntegerType(); 48466a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 48476a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner const BuiltinType *BTy = T->getAs<BuiltinType>(); 48486a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner assert(BTy && "Unexpected signed integer type"); 4849ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman switch (BTy->getKind()) { 4850ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Char_S: 4851ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::SChar: 4852ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedCharTy; 4853ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Short: 4854ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedShortTy; 4855ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Int: 4856ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedIntTy; 4857ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Long: 4858ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongTy; 4859ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::LongLong: 4860ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongLongTy; 48612df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 48622df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return UnsignedInt128Ty; 4863ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman default: 4864ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman assert(0 && "Unexpected signed integer type"); 4865ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return QualType(); 4866ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman } 4867ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 4868ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 48692cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorExternalASTSource::~ExternalASTSource() { } 48702cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 48712cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregorvoid ExternalASTSource::PrintStats() { } 487286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 487386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 487486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 487586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner// Builtin Type Computation 487686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 487786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 487886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// DecodeTypeFromStr - This decodes one type descriptor from Str, advancing the 487986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// pointer over the consumed characters. This returns the resultant type. 48801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic QualType DecodeTypeFromStr(const char *&Str, ASTContext &Context, 488186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ASTContext::GetBuiltinTypeError &Error, 488286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool AllowTypeModifiers = true) { 488386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Modifiers. 488486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner int HowLong = 0; 488586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Signed = false, Unsigned = false; 48861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 488786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Read the modifiers first. 488886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Done = false; 488986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 489086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 48911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: Done = true; --Str; break; 489286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'S': 489386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use both 'S' and 'U' modifiers!"); 489486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use 'S' modifier multiple times!"); 489586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Signed = true; 489686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 489786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'U': 489886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use both 'S' and 'U' modifiers!"); 489986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use 'S' modifier multiple times!"); 490086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Unsigned = true; 490186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 490286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'L': 490386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong <= 2 && "Can't have LLLL modifier"); 490486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ++HowLong; 490586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 490686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 490786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 490886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 490986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType Type; 49101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 491186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Read the base type. 491286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 491386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner default: assert(0 && "Unknown builtin type letter!"); 491486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'v': 491586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 491686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'v'!"); 491786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.VoidTy; 491886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 491986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'f': 492086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 492186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'f'!"); 492286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.FloatTy; 492386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 492486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'd': 492586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong < 2 && !Signed && !Unsigned && 492686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'd'!"); 492786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong) 492886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.LongDoubleTy; 492986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 493086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.DoubleTy; 493186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 493286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 's': 493386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 's'!"); 493486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Unsigned) 493586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedShortTy; 493686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 493786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.ShortTy; 493886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 493986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'i': 494086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong == 3) 494186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedInt128Ty : Context.Int128Ty; 494286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 2) 494386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongLongTy : Context.LongLongTy; 494486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 1) 494586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongTy : Context.LongTy; 494686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 494786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedIntTy : Context.IntTy; 494886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 494986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'c': 495086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 'c'!"); 495186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Signed) 495286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.SignedCharTy; 495386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (Unsigned) 495486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedCharTy; 495586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 495686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.CharTy; 495786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 495886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'b': // boolean 495986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'b'!"); 496086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.BoolTy; 496186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 496286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'z': // size_t. 496386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'z'!"); 496486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getSizeType(); 496586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 496686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'F': 496786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getCFConstantStringType(); 496886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 496986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'a': 497086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 497186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 497286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 497386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'A': 497486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // This is a "reference" to a va_list; however, what exactly 497586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // this means depends on how va_list is defined. There are two 497686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // different kinds of va_list: ones passed by value, and ones 497786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // passed by reference. An example of a by-value va_list is 497886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // x86, where va_list is a char*. An example of by-ref va_list 497986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // is x86-64, where va_list is a __va_list_tag[1]. For x86, 498086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // we want this argument to be a char*&; for x86-64, we want 498186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // it to be a __va_list_tag*. 498286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 498386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 498486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Type->isArrayType()) { 498586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getArrayDecayedType(Type); 498686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } else { 498786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getLValueReferenceType(Type); 498886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 498986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 499086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'V': { 499186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner char *End; 499286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner unsigned NumElements = strtoul(Str, &End, 10); 499386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(End != Str && "Missing vector size"); 49941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 499586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Str = End; 49961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 499786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, false); 499882287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson // FIXME: Don't know what to do about AltiVec. 499982287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson Type = Context.getVectorType(ElementType, NumElements, false, false); 500086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 500186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 5002d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor case 'X': { 5003d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor QualType ElementType = DecodeTypeFromStr(Str, Context, Error, false); 5004d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor Type = Context.getComplexType(ElementType); 5005d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor break; 5006d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor } 50079a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'P': 5008c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor Type = Context.getFILEType(); 5009c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor if (Type.isNull()) { 5010f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_stdio; 501186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 501286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 5013fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 50149a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'J': 5015f711c41dd9412a8182793259d355c4f6979ed5edMike Stump if (Signed) 5016782fa308a765aeac2acb39c4e697c937ec21185bMike Stump Type = Context.getsigjmp_bufType(); 5017f711c41dd9412a8182793259d355c4f6979ed5edMike Stump else 5018f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Type = Context.getjmp_bufType(); 5019f711c41dd9412a8182793259d355c4f6979ed5edMike Stump 5020fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump if (Type.isNull()) { 5021f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_setjmp; 5022fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump return QualType(); 5023fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump } 5024fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 5025782fa308a765aeac2acb39c4e697c937ec21185bMike Stump } 50261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 502786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (!AllowTypeModifiers) 502886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return Type; 50291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 503086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Done = false; 503186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 5032187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall switch (char c = *Str++) { 503386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner default: Done = true; --Str; break; 503486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case '*': 503586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case '&': 5036187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall { 5037187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall // Both pointers and references can have their pointee types 5038187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall // qualified with an address space. 5039187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall char *End; 5040187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall unsigned AddrSpace = strtoul(Str, &End, 10); 5041187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall if (End != Str && AddrSpace != 0) { 5042187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall Type = Context.getAddrSpaceQualType(Type, AddrSpace); 5043187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall Str = End; 5044187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall } 5045187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall } 5046187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall if (c == '*') 5047187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall Type = Context.getPointerType(Type); 5048187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall else 5049187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall Type = Context.getLValueReferenceType(Type); 505086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 505186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // FIXME: There's no way to have a built-in with an rvalue ref arg. 505286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'C': 50530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Type = Type.withConst(); 505486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 5055013af39d2a6a2e684f5a458c97890c52cddb7157Fariborz Jahanian case 'D': 5056013af39d2a6a2e684f5a458c97890c52cddb7157Fariborz Jahanian Type = Context.getVolatileType(Type); 5057013af39d2a6a2e684f5a458c97890c52cddb7157Fariborz Jahanian break; 505886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 505986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 50601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 506186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return Type; 506286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 506386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 506486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// GetBuiltinType - Return the type for the specified builtin. 506586df27bbdbb98c39ec2184695c0561209f91beddChris LattnerQualType ASTContext::GetBuiltinType(unsigned id, 506686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner GetBuiltinTypeError &Error) { 506786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner const char *TypeStr = BuiltinInfo.GetTypeString(id); 50681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 506986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner llvm::SmallVector<QualType, 8> ArgTypes; 50701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 507186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Error = GE_None; 507286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType ResType = DecodeTypeFromStr(TypeStr, *this, Error); 507386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 507486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 507586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (TypeStr[0] && TypeStr[0] != '.') { 507686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType Ty = DecodeTypeFromStr(TypeStr, *this, Error); 507786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 507886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 507986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 508086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Do array -> pointer decay. The builtin should use the decayed type. 508186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Ty->isArrayType()) 508286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Ty = getArrayDecayedType(Ty); 50831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 508486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ArgTypes.push_back(Ty); 508586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 508686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 508786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert((TypeStr[0] != '.' || TypeStr[1] == 0) && 508886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "'.' should only occur at end of builtin type list!"); 508986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 509086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // handle untyped/variadic arguments "T c99Style();" or "T cppStyle(...);". 509186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (ArgTypes.size() == 0 && TypeStr[0] == '.') 509286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return getFunctionNoProtoType(ResType); 5093ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor 5094ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor // FIXME: Should we create noreturn types? 509586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return getFunctionType(ResType, ArgTypes.data(), ArgTypes.size(), 5096ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor TypeStr[0] == '.', 0, false, false, 0, 0, 5097264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo()); 509886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 5099a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 5100a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli FriedmanQualType 5101a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli FriedmanASTContext::UsualArithmeticConversionsType(QualType lhs, QualType rhs) { 5102a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Perform the usual unary conversions. We do this early so that 5103a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // integral promotions to "int" can allow us to exit early, in the 5104a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // lhs == rhs check. Also, for conversion purposes, we ignore any 5105a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // qualifiers. For example, "const float" and "float" are 5106a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // equivalent. 5107a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isPromotableIntegerType()) 5108a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman lhs = getPromotedIntegerType(lhs); 5109a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman else 5110a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman lhs = lhs.getUnqualifiedType(); 5111a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (rhs->isPromotableIntegerType()) 5112a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhs = getPromotedIntegerType(rhs); 5113a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman else 5114a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhs = rhs.getUnqualifiedType(); 5115a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 5116a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // If both types are identical, no conversion is needed. 5117a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs == rhs) 5118a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 51191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5120a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // If either side is a non-arithmetic type (e.g. a pointer), we are done. 5121a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The caller can deal with this (e.g. pointer + int). 5122a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (!lhs->isArithmeticType() || !rhs->isArithmeticType()) 5123a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 51241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 51251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // At this point, we have two different arithmetic types. 51261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5127a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Handle complex types first (C99 6.3.1.8p1). 5128a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isComplexType() || rhs->isComplexType()) { 5129a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // if we have an integer operand, the result is the complex type. 51301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (rhs->isIntegerType() || rhs->isComplexIntegerType()) { 5131a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the rhs to the lhs complex type. 5132a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5133a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 51341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isIntegerType() || lhs->isComplexIntegerType()) { 5135a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the lhs to the rhs complex type. 5136a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5137a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5138a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // This handles complex/complex, complex/float, or float/complex. 51391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // When both operands are complex, the shorter operand is converted to the 51401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // type of the longer, and that is the type of the result. This corresponds 51411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // to what is done when combining two real floating-point operands. 51421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // The fun begins when size promotion occur across type domains. 5143a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // From H&S 6.3.4: When one operand is complex and the other is a real 51441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // floating-point type, the less precise type is converted, within it's 5145a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // real or complex domain, to the precision of the other type. For example, 51461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // when combining a "long double" with a "double _Complex", the 5147a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // "double _Complex" is promoted to "long double _Complex". 5148a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman int result = getFloatingTypeOrder(lhs, rhs); 51491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 51501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (result > 0) { // The left side is bigger, convert rhs. 5151a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhs = getFloatingTypeOfSizeWithinDomain(lhs, rhs); 51521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } else if (result < 0) { // The right side is bigger, convert lhs. 5153a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman lhs = getFloatingTypeOfSizeWithinDomain(rhs, lhs); 51541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 5155a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // At this point, lhs and rhs have the same rank/size. Now, make sure the 5156a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // domains match. This is a requirement for our implementation, C99 5157a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // does not require this promotion. 5158a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs != rhs) { // Domains don't match, we have complex/float mix. 5159a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isRealFloatingType()) { // handle "double, _Complex double". 5160a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5161a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else { // handle "_Complex double, double". 5162a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5163a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5164a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5165a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; // The domain/size match exactly. 5166a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5167a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Now handle "real" floating types (i.e. float, double, long double). 5168a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isRealFloatingType() || rhs->isRealFloatingType()) { 5169a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // if we have an integer operand, the result is the real floating type. 5170a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (rhs->isIntegerType()) { 5171a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert rhs to the lhs floating point type. 5172a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5173a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5174a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (rhs->isComplexIntegerType()) { 5175a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert rhs to the complex floating point type. 5176a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return getComplexType(lhs); 5177a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5178a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isIntegerType()) { 5179a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert lhs to the rhs floating point type. 5180a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5181a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 51821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isComplexIntegerType()) { 5183a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert lhs to the complex floating point type. 5184a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return getComplexType(rhs); 5185a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5186a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // We have two real floating types, float/complex combos were handled above. 5187a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Convert the smaller operand to the bigger result. 5188a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman int result = getFloatingTypeOrder(lhs, rhs); 5189a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (result > 0) // convert the rhs 5190a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5191a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(result < 0 && "illegal float comparison"); 5192a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; // convert the lhs 5193a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5194a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isComplexIntegerType() || rhs->isComplexIntegerType()) { 5195a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Handle GCC complex int extension. 5196a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman const ComplexType *lhsComplexInt = lhs->getAsComplexIntegerType(); 5197a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman const ComplexType *rhsComplexInt = rhs->getAsComplexIntegerType(); 5198a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 5199a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhsComplexInt && rhsComplexInt) { 52001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (getIntegerTypeOrder(lhsComplexInt->getElementType(), 5201a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhsComplexInt->getElementType()) >= 0) 5202a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; // convert the rhs 5203a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5204a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (lhsComplexInt && rhs->isIntegerType()) { 5205a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the rhs to the lhs complex type. 5206a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5207a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (rhsComplexInt && lhs->isIntegerType()) { 5208a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the lhs to the rhs complex type. 5209a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5210a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5211a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5212a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Finally, we have two differing integer types. 5213a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The rules for this case are in C99 6.3.1.8 5214a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman int compare = getIntegerTypeOrder(lhs, rhs); 5215a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman bool lhsSigned = lhs->isSignedIntegerType(), 5216a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhsSigned = rhs->isSignedIntegerType(); 5217a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman QualType destType; 5218a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhsSigned == rhsSigned) { 5219a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Same signedness; use the higher-ranked type 5220a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = compare >= 0 ? lhs : rhs; 5221a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (compare != (lhsSigned ? 1 : -1)) { 5222a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The unsigned type has greater than or equal rank to the 5223a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // signed type, so use the unsigned type 5224a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = lhsSigned ? rhs : lhs; 5225a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (getIntWidth(lhs) != getIntWidth(rhs)) { 5226a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The two types are different widths; if we are here, that 5227a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // means the signed type is larger than the unsigned type, so 5228a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // use the signed type. 5229a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = lhsSigned ? lhs : rhs; 5230a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else { 5231a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The signed type is higher-ranked than the unsigned type, 5232a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // but isn't actually any bigger (like unsigned int and long 5233a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // on most 32-bit systems). Use the unsigned type corresponding 5234a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // to the signed type. 5235a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = getCorrespondingUnsignedType(lhsSigned ? lhs : rhs); 5236a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5237a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return destType; 5238a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman} 5239