Decl.cpp revision 67fa6d5ea630c800c3c96e129129aba93d1487c2
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- Decl.cpp - Declaration AST Node Implementation -------------------===// 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// 10e184baeaa112ceac32420f8ca127b8d4d152d109Argyrios Kyrtzidis// This file implements the Decl subclasses. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/AST/Decl.h" 152a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor#include "clang/AST/DeclCXX.h" 160de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff#include "clang/AST/DeclObjC.h" 177da97d0f31e1ec16998d3de2cfd2e88fe3736673Douglas Gregor#include "clang/AST/DeclTemplate.h" 186c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner#include "clang/AST/ASTContext.h" 19b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis#include "clang/AST/TypeLoc.h" 20e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar#include "clang/AST/Stmt.h" 2199f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes#include "clang/AST/Expr.h" 22337cba4b3e17b98cfa512dfd12e57f4ccb0859beAnders Carlsson#include "clang/AST/ExprCXX.h" 23d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor#include "clang/AST/PrettyPrinter.h" 24565bf30bf5607b9740d288d8d9c45cf38ea75298Argyrios Kyrtzidis#include "clang/AST/ASTMutationListener.h" 251b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner#include "clang/Basic/Builtins.h" 26e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar#include "clang/Basic/IdentifierTable.h" 27465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara#include "clang/Basic/Specifiers.h" 28f1bbbb49f06a7462476cd88166fccda5feb15cabJohn McCall#include "llvm/Support/ErrorHandling.h" 2927f8a28bee33bb0e857cfe1a61c281bbc234b338Ted Kremenek 305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 32d3b9065ec7052ec4741783d2fb4130d13c766933Chris Lattner//===----------------------------------------------------------------------===// 334afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor// NamedDecl Implementation 345239304ff761b8b03eefb772bd5d830a9b9f1aeaArgyrios Kyrtzidis//===----------------------------------------------------------------------===// 355239304ff761b8b03eefb772bd5d830a9b9f1aeaArgyrios Kyrtzidis 36e7bc9722c807030409178d4af8ce8d1260bbd821John McCallstatic const VisibilityAttr *GetExplicitVisibility(const Decl *D) { 37e7bc9722c807030409178d4af8ce8d1260bbd821John McCall // If the decl is redeclarable, make sure we use the explicit 38e7bc9722c807030409178d4af8ce8d1260bbd821John McCall // visibility attribute from the most recent declaration. 39e7bc9722c807030409178d4af8ce8d1260bbd821John McCall // 40e7bc9722c807030409178d4af8ce8d1260bbd821John McCall // Note that this isn't necessary for tags, which can't have their 41e7bc9722c807030409178d4af8ce8d1260bbd821John McCall // visibility adjusted. 42e7bc9722c807030409178d4af8ce8d1260bbd821John McCall if (isa<VarDecl>(D)) { 43e7bc9722c807030409178d4af8ce8d1260bbd821John McCall return cast<VarDecl>(D)->getMostRecentDeclaration() 44e7bc9722c807030409178d4af8ce8d1260bbd821John McCall ->getAttr<VisibilityAttr>(); 45e7bc9722c807030409178d4af8ce8d1260bbd821John McCall } else if (isa<FunctionDecl>(D)) { 46e7bc9722c807030409178d4af8ce8d1260bbd821John McCall return cast<FunctionDecl>(D)->getMostRecentDeclaration() 47e7bc9722c807030409178d4af8ce8d1260bbd821John McCall ->getAttr<VisibilityAttr>(); 48e7bc9722c807030409178d4af8ce8d1260bbd821John McCall } else { 49e7bc9722c807030409178d4af8ce8d1260bbd821John McCall return D->getAttr<VisibilityAttr>(); 50e7bc9722c807030409178d4af8ce8d1260bbd821John McCall } 51e7bc9722c807030409178d4af8ce8d1260bbd821John McCall} 52e7bc9722c807030409178d4af8ce8d1260bbd821John McCall 531fb0caaa7bef765b85972274e3b434af2572c141John McCallstatic Visibility GetVisibilityFromAttr(const VisibilityAttr *A) { 541fb0caaa7bef765b85972274e3b434af2572c141John McCall switch (A->getVisibility()) { 551fb0caaa7bef765b85972274e3b434af2572c141John McCall case VisibilityAttr::Default: 561fb0caaa7bef765b85972274e3b434af2572c141John McCall return DefaultVisibility; 571fb0caaa7bef765b85972274e3b434af2572c141John McCall case VisibilityAttr::Hidden: 581fb0caaa7bef765b85972274e3b434af2572c141John McCall return HiddenVisibility; 591fb0caaa7bef765b85972274e3b434af2572c141John McCall case VisibilityAttr::Protected: 601fb0caaa7bef765b85972274e3b434af2572c141John McCall return ProtectedVisibility; 611fb0caaa7bef765b85972274e3b434af2572c141John McCall } 621fb0caaa7bef765b85972274e3b434af2572c141John McCall return DefaultVisibility; 631fb0caaa7bef765b85972274e3b434af2572c141John McCall} 641fb0caaa7bef765b85972274e3b434af2572c141John McCall 651fb0caaa7bef765b85972274e3b434af2572c141John McCalltypedef std::pair<Linkage,Visibility> LVPair; 661fb0caaa7bef765b85972274e3b434af2572c141John McCallstatic LVPair merge(LVPair L, LVPair R) { 671fb0caaa7bef765b85972274e3b434af2572c141John McCall return LVPair(minLinkage(L.first, R.first), 681fb0caaa7bef765b85972274e3b434af2572c141John McCall minVisibility(L.second, R.second)); 691fb0caaa7bef765b85972274e3b434af2572c141John McCall} 701fb0caaa7bef765b85972274e3b434af2572c141John McCall 710b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor/// \brief Get the most restrictive linkage for the types in the given 720b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor/// template parameter list. 731fb0caaa7bef765b85972274e3b434af2572c141John McCallstatic LVPair 741fb0caaa7bef765b85972274e3b434af2572c141John McCallgetLVForTemplateParameterList(const TemplateParameterList *Params) { 751fb0caaa7bef765b85972274e3b434af2572c141John McCall LVPair LV(ExternalLinkage, DefaultVisibility); 760b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor for (TemplateParameterList::const_iterator P = Params->begin(), 770b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor PEnd = Params->end(); 780b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor P != PEnd; ++P) { 790b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (NonTypeTemplateParmDecl *NTTP = dyn_cast<NonTypeTemplateParmDecl>(*P)) 800b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (!NTTP->getType()->isDependentType()) { 811fb0caaa7bef765b85972274e3b434af2572c141John McCall LV = merge(LV, NTTP->getType()->getLinkageAndVisibility()); 820b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor continue; 830b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 840b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 850b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (TemplateTemplateParmDecl *TTP 860b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor = dyn_cast<TemplateTemplateParmDecl>(*P)) { 871fb0caaa7bef765b85972274e3b434af2572c141John McCall LV = 881fb0caaa7bef765b85972274e3b434af2572c141John McCall merge(LV, getLVForTemplateParameterList(TTP->getTemplateParameters())); 890b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 900b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 910b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 921fb0caaa7bef765b85972274e3b434af2572c141John McCall return LV; 930b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor} 940b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 950b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor/// \brief Get the most restrictive linkage for the types and 960b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor/// declarations in the given template argument list. 971fb0caaa7bef765b85972274e3b434af2572c141John McCallstatic LVPair getLVForTemplateArgumentList(const TemplateArgument *Args, 981fb0caaa7bef765b85972274e3b434af2572c141John McCall unsigned NumArgs) { 991fb0caaa7bef765b85972274e3b434af2572c141John McCall LVPair LV(ExternalLinkage, DefaultVisibility); 1000b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1010b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor for (unsigned I = 0; I != NumArgs; ++I) { 1020b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor switch (Args[I].getKind()) { 1030b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Null: 1040b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Integral: 1050b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Expression: 1060b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor break; 1070b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1080b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Type: 1091fb0caaa7bef765b85972274e3b434af2572c141John McCall LV = merge(LV, Args[I].getAsType()->getLinkageAndVisibility()); 1100b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor break; 1110b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1120b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Declaration: 1131fb0caaa7bef765b85972274e3b434af2572c141John McCall // The decl can validly be null as the representation of nullptr 1141fb0caaa7bef765b85972274e3b434af2572c141John McCall // arguments, valid only in C++0x. 1151fb0caaa7bef765b85972274e3b434af2572c141John McCall if (Decl *D = Args[I].getAsDecl()) { 1161fb0caaa7bef765b85972274e3b434af2572c141John McCall if (NamedDecl *ND = dyn_cast<NamedDecl>(D)) 1171fb0caaa7bef765b85972274e3b434af2572c141John McCall LV = merge(LV, ND->getLinkageAndVisibility()); 1181fb0caaa7bef765b85972274e3b434af2572c141John McCall if (ValueDecl *VD = dyn_cast<ValueDecl>(D)) 1191fb0caaa7bef765b85972274e3b434af2572c141John McCall LV = merge(LV, VD->getType()->getLinkageAndVisibility()); 1201fb0caaa7bef765b85972274e3b434af2572c141John McCall } 1210b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor break; 1220b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1230b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Template: 1241fb0caaa7bef765b85972274e3b434af2572c141John McCall if (TemplateDecl *Template = Args[I].getAsTemplate().getAsTemplateDecl()) 1251fb0caaa7bef765b85972274e3b434af2572c141John McCall LV = merge(LV, Template->getLinkageAndVisibility()); 1260b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor break; 1270b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1280b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Pack: 1291fb0caaa7bef765b85972274e3b434af2572c141John McCall LV = merge(LV, getLVForTemplateArgumentList(Args[I].pack_begin(), 1301fb0caaa7bef765b85972274e3b434af2572c141John McCall Args[I].pack_size())); 1310b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor break; 1320b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 1330b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 1340b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1351fb0caaa7bef765b85972274e3b434af2572c141John McCall return LV; 1360b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor} 1370b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1381fb0caaa7bef765b85972274e3b434af2572c141John McCallstatic LVPair getLVForTemplateArgumentList(const TemplateArgumentList &TArgs) { 1391fb0caaa7bef765b85972274e3b434af2572c141John McCall return getLVForTemplateArgumentList(TArgs.getFlatArgumentList(), 1401fb0caaa7bef765b85972274e3b434af2572c141John McCall TArgs.flat_size()); 1413cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall} 1423cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall 1431fb0caaa7bef765b85972274e3b434af2572c141John McCallstatic LVPair getLVForNamespaceScopeDecl(const NamedDecl *D) { 1447a126a474fdde06382b315b4e3d8ef0a21d4dc31Sebastian Redl assert(D->getDeclContext()->getRedeclContext()->isFileContext() && 145d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor "Not a name having namespace scope"); 146d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor ASTContext &Context = D->getASTContext(); 147d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 148d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C++ [basic.link]p3: 149d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // A name having namespace scope (3.3.6) has internal linkage if it 150d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // is the name of 151d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - an object, reference, function or function template that is 152d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // explicitly declared static; or, 153d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // (This bullet corresponds to C99 6.2.2p3.) 154d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const VarDecl *Var = dyn_cast<VarDecl>(D)) { 155d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // Explicitly declared static. 156d931b086984257de68868a64a235c2b4b34003fbJohn McCall if (Var->getStorageClass() == SC_Static) 1571fb0caaa7bef765b85972274e3b434af2572c141John McCall return LVPair(InternalLinkage, DefaultVisibility); 158d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 159d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - an object or reference that is explicitly declared const 160d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // and neither explicitly declared extern nor previously 161d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // declared to have external linkage; or 162d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // (there is no equivalent in C99) 163d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (Context.getLangOptions().CPlusPlus && 164e9d6554ba78fb81e810fdaec9b2c98ab96526e83Eli Friedman Var->getType().isConstant(Context) && 165d931b086984257de68868a64a235c2b4b34003fbJohn McCall Var->getStorageClass() != SC_Extern && 166d931b086984257de68868a64a235c2b4b34003fbJohn McCall Var->getStorageClass() != SC_PrivateExtern) { 167d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor bool FoundExtern = false; 168d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor for (const VarDecl *PrevVar = Var->getPreviousDeclaration(); 169d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor PrevVar && !FoundExtern; 170d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor PrevVar = PrevVar->getPreviousDeclaration()) 1710b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (isExternalLinkage(PrevVar->getLinkage())) 172d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor FoundExtern = true; 173d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 174d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (!FoundExtern) 1751fb0caaa7bef765b85972274e3b434af2572c141John McCall return LVPair(InternalLinkage, DefaultVisibility); 176d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 177d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } else if (isa<FunctionDecl>(D) || isa<FunctionTemplateDecl>(D)) { 1780b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor // C++ [temp]p4: 1790b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor // A non-member function template can have internal linkage; any 1800b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor // other template name shall have external linkage. 181d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor const FunctionDecl *Function = 0; 182d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const FunctionTemplateDecl *FunTmpl 183d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor = dyn_cast<FunctionTemplateDecl>(D)) 184d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor Function = FunTmpl->getTemplatedDecl(); 185d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor else 186d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor Function = cast<FunctionDecl>(D); 187d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 188d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // Explicitly declared static. 189d931b086984257de68868a64a235c2b4b34003fbJohn McCall if (Function->getStorageClass() == SC_Static) 1901fb0caaa7bef765b85972274e3b434af2572c141John McCall return LVPair(InternalLinkage, DefaultVisibility); 191d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } else if (const FieldDecl *Field = dyn_cast<FieldDecl>(D)) { 192d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - a data member of an anonymous union. 193d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (cast<RecordDecl>(Field->getDeclContext())->isAnonymousStructOrUnion()) 1941fb0caaa7bef765b85972274e3b434af2572c141John McCall return LVPair(InternalLinkage, DefaultVisibility); 195d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 196d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 1971fb0caaa7bef765b85972274e3b434af2572c141John McCall if (D->isInAnonymousNamespace()) 1981fb0caaa7bef765b85972274e3b434af2572c141John McCall return LVPair(UniqueExternalLinkage, DefaultVisibility); 1991fb0caaa7bef765b85972274e3b434af2572c141John McCall 200e7bc9722c807030409178d4af8ce8d1260bbd821John McCall const VisibilityAttr *ExplicitVisibility = GetExplicitVisibility(D); 201e7bc9722c807030409178d4af8ce8d1260bbd821John McCall 2021fb0caaa7bef765b85972274e3b434af2572c141John McCall // Set up the defaults. 2031fb0caaa7bef765b85972274e3b434af2572c141John McCall 2041fb0caaa7bef765b85972274e3b434af2572c141John McCall // C99 6.2.2p5: 2051fb0caaa7bef765b85972274e3b434af2572c141John McCall // If the declaration of an identifier for an object has file 2061fb0caaa7bef765b85972274e3b434af2572c141John McCall // scope and no storage-class specifier, its linkage is 2071fb0caaa7bef765b85972274e3b434af2572c141John McCall // external. 2081fb0caaa7bef765b85972274e3b434af2572c141John McCall LVPair LV(ExternalLinkage, DefaultVisibility); 2091fb0caaa7bef765b85972274e3b434af2572c141John McCall 2101fb0caaa7bef765b85972274e3b434af2572c141John McCall // We ignore -fvisibility on non-definitions and explicit 2111fb0caaa7bef765b85972274e3b434af2572c141John McCall // instantiation declarations. 2121fb0caaa7bef765b85972274e3b434af2572c141John McCall bool ConsiderDashFVisibility = true; 2131fb0caaa7bef765b85972274e3b434af2572c141John McCall 214d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C++ [basic.link]p4: 2151fb0caaa7bef765b85972274e3b434af2572c141John McCall 216d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // A name having namespace scope has external linkage if it is the 217d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // name of 218d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // 219d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - an object or reference, unless it has internal linkage; or 220d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const VarDecl *Var = dyn_cast<VarDecl>(D)) { 2211fb0caaa7bef765b85972274e3b434af2572c141John McCall // Modify the variable's LV by the LV of its type unless this is 2221fb0caaa7bef765b85972274e3b434af2572c141John McCall // C or extern "C". This follows from [basic.link]p9: 2231fb0caaa7bef765b85972274e3b434af2572c141John McCall // A type without linkage shall not be used as the type of a 2241fb0caaa7bef765b85972274e3b434af2572c141John McCall // variable or function with external linkage unless 2251fb0caaa7bef765b85972274e3b434af2572c141John McCall // - the entity has C language linkage, or 2261fb0caaa7bef765b85972274e3b434af2572c141John McCall // - the entity is declared within an unnamed namespace, or 2271fb0caaa7bef765b85972274e3b434af2572c141John McCall // - the entity is not used or is defined in the same 2281fb0caaa7bef765b85972274e3b434af2572c141John McCall // translation unit. 2291fb0caaa7bef765b85972274e3b434af2572c141John McCall // and [basic.link]p10: 2301fb0caaa7bef765b85972274e3b434af2572c141John McCall // ...the types specified by all declarations referring to a 2311fb0caaa7bef765b85972274e3b434af2572c141John McCall // given variable or function shall be identical... 2321fb0caaa7bef765b85972274e3b434af2572c141John McCall // C does not have an equivalent rule. 2331fb0caaa7bef765b85972274e3b434af2572c141John McCall // 234ac65c6208d48b0f9b4661c30c28997a280ac5ba6John McCall // Ignore this if we've got an explicit attribute; the user 235ac65c6208d48b0f9b4661c30c28997a280ac5ba6John McCall // probably knows what they're doing. 236ac65c6208d48b0f9b4661c30c28997a280ac5ba6John McCall // 2371fb0caaa7bef765b85972274e3b434af2572c141John McCall // Note that we don't want to make the variable non-external 2381fb0caaa7bef765b85972274e3b434af2572c141John McCall // because of this, but unique-external linkage suits us. 239ac65c6208d48b0f9b4661c30c28997a280ac5ba6John McCall if (Context.getLangOptions().CPlusPlus && !Var->isExternC() && 240e7bc9722c807030409178d4af8ce8d1260bbd821John McCall !ExplicitVisibility) { 2411fb0caaa7bef765b85972274e3b434af2572c141John McCall LVPair TypeLV = Var->getType()->getLinkageAndVisibility(); 2421fb0caaa7bef765b85972274e3b434af2572c141John McCall if (TypeLV.first != ExternalLinkage) 2431fb0caaa7bef765b85972274e3b434af2572c141John McCall return LVPair(UniqueExternalLinkage, DefaultVisibility); 2441fb0caaa7bef765b85972274e3b434af2572c141John McCall LV.second = minVisibility(LV.second, TypeLV.second); 2451fb0caaa7bef765b85972274e3b434af2572c141John McCall } 2461fb0caaa7bef765b85972274e3b434af2572c141John McCall 247d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (!Context.getLangOptions().CPlusPlus && 248d931b086984257de68868a64a235c2b4b34003fbJohn McCall (Var->getStorageClass() == SC_Extern || 249d931b086984257de68868a64a235c2b4b34003fbJohn McCall Var->getStorageClass() == SC_PrivateExtern)) { 2501fb0caaa7bef765b85972274e3b434af2572c141John McCall if (Var->getStorageClass() == SC_PrivateExtern) 2511fb0caaa7bef765b85972274e3b434af2572c141John McCall LV.second = HiddenVisibility; 2521fb0caaa7bef765b85972274e3b434af2572c141John McCall 253d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C99 6.2.2p4: 254d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // For an identifier declared with the storage-class specifier 255d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // extern in a scope in which a prior declaration of that 256d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // identifier is visible, if the prior declaration specifies 257d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // internal or external linkage, the linkage of the identifier 258d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // at the later declaration is the same as the linkage 259d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // specified at the prior declaration. If no prior declaration 260d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // is visible, or if the prior declaration specifies no 261d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // linkage, then the identifier has external linkage. 262d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const VarDecl *PrevVar = Var->getPreviousDeclaration()) { 2631fb0caaa7bef765b85972274e3b434af2572c141John McCall LVPair PrevLV = PrevVar->getLinkageAndVisibility(); 2641fb0caaa7bef765b85972274e3b434af2572c141John McCall if (PrevLV.first) LV.first = PrevLV.first; 2651fb0caaa7bef765b85972274e3b434af2572c141John McCall LV.second = minVisibility(LV.second, PrevLV.second); 266d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 267d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 268d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 269d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - a function, unless it has internal linkage; or 2701fb0caaa7bef765b85972274e3b434af2572c141John McCall } else if (const FunctionDecl *Function = dyn_cast<FunctionDecl>(D)) { 27167fa6d5ea630c800c3c96e129129aba93d1487c2John McCall // In theory, we can modify the function's LV by the LV of its 27267fa6d5ea630c800c3c96e129129aba93d1487c2John McCall // type unless it has C linkage (see comment above about variables 27367fa6d5ea630c800c3c96e129129aba93d1487c2John McCall // for justification). In practice, GCC doesn't do this, so it's 27467fa6d5ea630c800c3c96e129129aba93d1487c2John McCall // just too painful to make work. 2751fb0caaa7bef765b85972274e3b434af2572c141John McCall 276d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C99 6.2.2p5: 277d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // If the declaration of an identifier for a function has no 278d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // storage-class specifier, its linkage is determined exactly 279d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // as if it were declared with the storage-class specifier 280d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // extern. 281d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (!Context.getLangOptions().CPlusPlus && 282d931b086984257de68868a64a235c2b4b34003fbJohn McCall (Function->getStorageClass() == SC_Extern || 283d931b086984257de68868a64a235c2b4b34003fbJohn McCall Function->getStorageClass() == SC_PrivateExtern || 284d931b086984257de68868a64a235c2b4b34003fbJohn McCall Function->getStorageClass() == SC_None)) { 285d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C99 6.2.2p4: 286d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // For an identifier declared with the storage-class specifier 287d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // extern in a scope in which a prior declaration of that 288d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // identifier is visible, if the prior declaration specifies 289d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // internal or external linkage, the linkage of the identifier 290d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // at the later declaration is the same as the linkage 291d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // specified at the prior declaration. If no prior declaration 292d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // is visible, or if the prior declaration specifies no 293d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // linkage, then the identifier has external linkage. 294d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const FunctionDecl *PrevFunc = Function->getPreviousDeclaration()) { 2951fb0caaa7bef765b85972274e3b434af2572c141John McCall LVPair PrevLV = PrevFunc->getLinkageAndVisibility(); 2961fb0caaa7bef765b85972274e3b434af2572c141John McCall if (PrevLV.first) LV.first = PrevLV.first; 2971fb0caaa7bef765b85972274e3b434af2572c141John McCall LV.second = minVisibility(LV.second, PrevLV.second); 298d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 299d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 300d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 3010b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (FunctionTemplateSpecializationInfo *SpecInfo 3020b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor = Function->getTemplateSpecializationInfo()) { 3031fb0caaa7bef765b85972274e3b434af2572c141John McCall LV = merge(LV, SpecInfo->getTemplate()->getLinkageAndVisibility()); 3040b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor const TemplateArgumentList &TemplateArgs = *SpecInfo->TemplateArguments; 3051fb0caaa7bef765b85972274e3b434af2572c141John McCall LV = merge(LV, getLVForTemplateArgumentList(TemplateArgs)); 3061fb0caaa7bef765b85972274e3b434af2572c141John McCall 3071fb0caaa7bef765b85972274e3b434af2572c141John McCall if (SpecInfo->getTemplateSpecializationKind() 3081fb0caaa7bef765b85972274e3b434af2572c141John McCall == TSK_ExplicitInstantiationDeclaration) 3091fb0caaa7bef765b85972274e3b434af2572c141John McCall ConsiderDashFVisibility = false; 3100b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 3110b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 3121fb0caaa7bef765b85972274e3b434af2572c141John McCall if (ConsiderDashFVisibility) 3131fb0caaa7bef765b85972274e3b434af2572c141John McCall ConsiderDashFVisibility = Function->hasBody(); 314d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 315d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - a named class (Clause 9), or an unnamed class defined in a 316d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // typedef declaration in which the class has the typedef name 317d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // for linkage purposes (7.1.3); or 318d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - a named enumeration (7.2), or an unnamed enumeration 319d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // defined in a typedef declaration in which the enumeration 320d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // has the typedef name for linkage purposes (7.1.3); or 3211fb0caaa7bef765b85972274e3b434af2572c141John McCall } else if (const TagDecl *Tag = dyn_cast<TagDecl>(D)) { 3221fb0caaa7bef765b85972274e3b434af2572c141John McCall // Unnamed tags have no linkage. 3231fb0caaa7bef765b85972274e3b434af2572c141John McCall if (!Tag->getDeclName() && !Tag->getTypedefForAnonDecl()) 3241fb0caaa7bef765b85972274e3b434af2572c141John McCall return LVPair(NoLinkage, DefaultVisibility); 3251fb0caaa7bef765b85972274e3b434af2572c141John McCall 3261fb0caaa7bef765b85972274e3b434af2572c141John McCall // If this is a class template specialization, consider the 3271fb0caaa7bef765b85972274e3b434af2572c141John McCall // linkage of the template and template arguments. 3281fb0caaa7bef765b85972274e3b434af2572c141John McCall if (const ClassTemplateSpecializationDecl *Spec 3291fb0caaa7bef765b85972274e3b434af2572c141John McCall = dyn_cast<ClassTemplateSpecializationDecl>(Tag)) { 3301fb0caaa7bef765b85972274e3b434af2572c141John McCall // From the template. Note below the restrictions on how we 3311fb0caaa7bef765b85972274e3b434af2572c141John McCall // compute template visibility. 3321fb0caaa7bef765b85972274e3b434af2572c141John McCall LV = merge(LV, Spec->getSpecializedTemplate()->getLinkageAndVisibility()); 3331fb0caaa7bef765b85972274e3b434af2572c141John McCall 3341fb0caaa7bef765b85972274e3b434af2572c141John McCall // The arguments at which the template was instantiated. 3351fb0caaa7bef765b85972274e3b434af2572c141John McCall const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); 3361fb0caaa7bef765b85972274e3b434af2572c141John McCall LV = merge(LV, getLVForTemplateArgumentList(TemplateArgs)); 3371fb0caaa7bef765b85972274e3b434af2572c141John McCall 3381fb0caaa7bef765b85972274e3b434af2572c141John McCall if (Spec->getTemplateSpecializationKind() 3391fb0caaa7bef765b85972274e3b434af2572c141John McCall == TSK_ExplicitInstantiationDeclaration) 3401fb0caaa7bef765b85972274e3b434af2572c141John McCall ConsiderDashFVisibility = false; 3410b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 342d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 343ac65c6208d48b0f9b4661c30c28997a280ac5ba6John McCall // Consider -fvisibility unless the type has C linkage. 3441fb0caaa7bef765b85972274e3b434af2572c141John McCall if (ConsiderDashFVisibility) 345ac65c6208d48b0f9b4661c30c28997a280ac5ba6John McCall ConsiderDashFVisibility = 346ac65c6208d48b0f9b4661c30c28997a280ac5ba6John McCall (Context.getLangOptions().CPlusPlus && 347ac65c6208d48b0f9b4661c30c28997a280ac5ba6John McCall !Tag->getDeclContext()->isExternCContext()); 3481fb0caaa7bef765b85972274e3b434af2572c141John McCall 349d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - an enumerator belonging to an enumeration with external linkage; 3501fb0caaa7bef765b85972274e3b434af2572c141John McCall } else if (isa<EnumConstantDecl>(D)) { 3511fb0caaa7bef765b85972274e3b434af2572c141John McCall LVPair EnumLV = 3521fb0caaa7bef765b85972274e3b434af2572c141John McCall cast<NamedDecl>(D->getDeclContext())->getLinkageAndVisibility(); 3531fb0caaa7bef765b85972274e3b434af2572c141John McCall if (!isExternalLinkage(EnumLV.first)) 3541fb0caaa7bef765b85972274e3b434af2572c141John McCall return LVPair(NoLinkage, DefaultVisibility); 3551fb0caaa7bef765b85972274e3b434af2572c141John McCall LV = merge(LV, EnumLV); 356d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 357d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - a template, unless it is a function template that has 358d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // internal linkage (Clause 14); 3591fb0caaa7bef765b85972274e3b434af2572c141John McCall } else if (const TemplateDecl *Template = dyn_cast<TemplateDecl>(D)) { 3601fb0caaa7bef765b85972274e3b434af2572c141John McCall LV = merge(LV, getLVForTemplateParameterList( 3611fb0caaa7bef765b85972274e3b434af2572c141John McCall Template->getTemplateParameters())); 3620b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 3631fb0caaa7bef765b85972274e3b434af2572c141John McCall // We do not want to consider attributes or global settings when 3641fb0caaa7bef765b85972274e3b434af2572c141John McCall // computing template visibility. 3651fb0caaa7bef765b85972274e3b434af2572c141John McCall return LV; 366d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 367d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - a namespace (7.3), unless it is declared within an unnamed 368d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // namespace. 3691fb0caaa7bef765b85972274e3b434af2572c141John McCall } else if (isa<NamespaceDecl>(D) && !D->isInAnonymousNamespace()) { 3701fb0caaa7bef765b85972274e3b434af2572c141John McCall return LV; 3711fb0caaa7bef765b85972274e3b434af2572c141John McCall 3721fb0caaa7bef765b85972274e3b434af2572c141John McCall // By extension, we assign external linkage to Objective-C 3731fb0caaa7bef765b85972274e3b434af2572c141John McCall // interfaces. 3741fb0caaa7bef765b85972274e3b434af2572c141John McCall } else if (isa<ObjCInterfaceDecl>(D)) { 3751fb0caaa7bef765b85972274e3b434af2572c141John McCall // fallout 3761fb0caaa7bef765b85972274e3b434af2572c141John McCall 3771fb0caaa7bef765b85972274e3b434af2572c141John McCall // Everything not covered here has no linkage. 3781fb0caaa7bef765b85972274e3b434af2572c141John McCall } else { 3791fb0caaa7bef765b85972274e3b434af2572c141John McCall return LVPair(NoLinkage, DefaultVisibility); 3801fb0caaa7bef765b85972274e3b434af2572c141John McCall } 3811fb0caaa7bef765b85972274e3b434af2572c141John McCall 3821fb0caaa7bef765b85972274e3b434af2572c141John McCall // If we ended up with non-external linkage, visibility should 3831fb0caaa7bef765b85972274e3b434af2572c141John McCall // always be default. 3841fb0caaa7bef765b85972274e3b434af2572c141John McCall if (LV.first != ExternalLinkage) 3851fb0caaa7bef765b85972274e3b434af2572c141John McCall return LVPair(LV.first, DefaultVisibility); 3861fb0caaa7bef765b85972274e3b434af2572c141John McCall 3871fb0caaa7bef765b85972274e3b434af2572c141John McCall // If we didn't end up with hidden visibility, consider attributes 3881fb0caaa7bef765b85972274e3b434af2572c141John McCall // and -fvisibility. 3891fb0caaa7bef765b85972274e3b434af2572c141John McCall if (LV.second != HiddenVisibility) { 3901fb0caaa7bef765b85972274e3b434af2572c141John McCall Visibility StandardV; 3911fb0caaa7bef765b85972274e3b434af2572c141John McCall 3921fb0caaa7bef765b85972274e3b434af2572c141John McCall // If we have an explicit visibility attribute, merge that in. 393e7bc9722c807030409178d4af8ce8d1260bbd821John McCall if (ExplicitVisibility) 394e7bc9722c807030409178d4af8ce8d1260bbd821John McCall StandardV = GetVisibilityFromAttr(ExplicitVisibility); 3951fb0caaa7bef765b85972274e3b434af2572c141John McCall else if (ConsiderDashFVisibility) 3961fb0caaa7bef765b85972274e3b434af2572c141John McCall StandardV = Context.getLangOptions().getVisibilityMode(); 3971fb0caaa7bef765b85972274e3b434af2572c141John McCall else 3981fb0caaa7bef765b85972274e3b434af2572c141John McCall StandardV = DefaultVisibility; // no-op 3991fb0caaa7bef765b85972274e3b434af2572c141John McCall 4001fb0caaa7bef765b85972274e3b434af2572c141John McCall LV.second = minVisibility(LV.second, StandardV); 4011fb0caaa7bef765b85972274e3b434af2572c141John McCall } 402d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 4031fb0caaa7bef765b85972274e3b434af2572c141John McCall return LV; 404d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor} 405d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 4061fb0caaa7bef765b85972274e3b434af2572c141John McCallstatic LVPair getLVForClassMember(const NamedDecl *D) { 4071fb0caaa7bef765b85972274e3b434af2572c141John McCall // Only certain class members have linkage. Note that fields don't 4081fb0caaa7bef765b85972274e3b434af2572c141John McCall // really have linkage, but it's convenient to say they do for the 4091fb0caaa7bef765b85972274e3b434af2572c141John McCall // purposes of calculating linkage of pointer-to-data-member 4101fb0caaa7bef765b85972274e3b434af2572c141John McCall // template arguments. 4113cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall if (!(isa<CXXMethodDecl>(D) || 4123cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall isa<VarDecl>(D) || 4131fb0caaa7bef765b85972274e3b434af2572c141John McCall isa<FieldDecl>(D) || 4143cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall (isa<TagDecl>(D) && 4153cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall (D->getDeclName() || cast<TagDecl>(D)->getTypedefForAnonDecl())))) 4161fb0caaa7bef765b85972274e3b434af2572c141John McCall return LVPair(NoLinkage, DefaultVisibility); 4173cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall 4183cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall // Class members only have linkage if their class has external linkage. 4191fb0caaa7bef765b85972274e3b434af2572c141John McCall LVPair ClassLV = 4201fb0caaa7bef765b85972274e3b434af2572c141John McCall cast<RecordDecl>(D->getDeclContext())->getLinkageAndVisibility(); 4211fb0caaa7bef765b85972274e3b434af2572c141John McCall if (!isExternalLinkage(ClassLV.first)) 4221fb0caaa7bef765b85972274e3b434af2572c141John McCall return LVPair(NoLinkage, DefaultVisibility); 4233cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall 4243cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall // If the class already has unique-external linkage, we can't improve. 4251fb0caaa7bef765b85972274e3b434af2572c141John McCall if (ClassLV.first == UniqueExternalLinkage) 4261fb0caaa7bef765b85972274e3b434af2572c141John McCall return LVPair(UniqueExternalLinkage, DefaultVisibility); 4271fb0caaa7bef765b85972274e3b434af2572c141John McCall 4281fb0caaa7bef765b85972274e3b434af2572c141John McCall // Start with the class's linkage and visibility. 4291fb0caaa7bef765b85972274e3b434af2572c141John McCall LVPair LV = ClassLV; 4301fb0caaa7bef765b85972274e3b434af2572c141John McCall 4311fb0caaa7bef765b85972274e3b434af2572c141John McCall // If we have an explicit visibility attribute, merge that in. 432e7bc9722c807030409178d4af8ce8d1260bbd821John McCall const VisibilityAttr *VA = GetExplicitVisibility(D); 4331fb0caaa7bef765b85972274e3b434af2572c141John McCall if (VA) LV.second = minVisibility(LV.second, GetVisibilityFromAttr(VA)); 4341fb0caaa7bef765b85972274e3b434af2572c141John McCall 43567fa6d5ea630c800c3c96e129129aba93d1487c2John McCall // If it's a variable declaration and we don't have an explicit 43667fa6d5ea630c800c3c96e129129aba93d1487c2John McCall // visibility attribute, apply the LV from its type. 4371fb0caaa7bef765b85972274e3b434af2572c141John McCall // See the comment about namespace-scope variable decls above. 43867fa6d5ea630c800c3c96e129129aba93d1487c2John McCall if (!VA && isa<VarDecl>(D)) { 43967fa6d5ea630c800c3c96e129129aba93d1487c2John McCall LVPair TypeLV = cast<VarDecl>(D)->getType()->getLinkageAndVisibility(); 4401fb0caaa7bef765b85972274e3b434af2572c141John McCall if (TypeLV.first != ExternalLinkage) 4411fb0caaa7bef765b85972274e3b434af2572c141John McCall LV.first = minLinkage(LV.first, UniqueExternalLinkage); 4421fb0caaa7bef765b85972274e3b434af2572c141John McCall LV.second = minVisibility(LV.second, TypeLV.second); 4431fb0caaa7bef765b85972274e3b434af2572c141John McCall } 4443cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall 4453cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(D)) { 4461fb0caaa7bef765b85972274e3b434af2572c141John McCall // If this is a method template specialization, use the linkage for 4471fb0caaa7bef765b85972274e3b434af2572c141John McCall // the template parameters and arguments. 4481fb0caaa7bef765b85972274e3b434af2572c141John McCall if (FunctionTemplateSpecializationInfo *Spec 4493cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall = MD->getTemplateSpecializationInfo()) { 4501fb0caaa7bef765b85972274e3b434af2572c141John McCall LV = merge(LV, getLVForTemplateArgumentList(*Spec->TemplateArguments)); 4511fb0caaa7bef765b85972274e3b434af2572c141John McCall LV = merge(LV, getLVForTemplateParameterList( 4521fb0caaa7bef765b85972274e3b434af2572c141John McCall Spec->getTemplate()->getTemplateParameters())); 4533cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall } 4543cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall 4551fb0caaa7bef765b85972274e3b434af2572c141John McCall // If -fvisibility-inlines-hidden was provided, then inline C++ 4561fb0caaa7bef765b85972274e3b434af2572c141John McCall // member functions get "hidden" visibility if they don't have an 4571fb0caaa7bef765b85972274e3b434af2572c141John McCall // explicit visibility attribute. 4581fb0caaa7bef765b85972274e3b434af2572c141John McCall if (!VA && MD->isInlined() && LV.second > HiddenVisibility && 4591fb0caaa7bef765b85972274e3b434af2572c141John McCall D->getASTContext().getLangOptions().InlineVisibilityHidden) 4601fb0caaa7bef765b85972274e3b434af2572c141John McCall LV.second = HiddenVisibility; 4611fb0caaa7bef765b85972274e3b434af2572c141John McCall 4623cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall // Similarly for member class template specializations. 4633cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall } else if (const ClassTemplateSpecializationDecl *Spec 4643cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall = dyn_cast<ClassTemplateSpecializationDecl>(D)) { 4651fb0caaa7bef765b85972274e3b434af2572c141John McCall LV = merge(LV, getLVForTemplateArgumentList(Spec->getTemplateArgs())); 4661fb0caaa7bef765b85972274e3b434af2572c141John McCall LV = merge(LV, getLVForTemplateParameterList( 4671fb0caaa7bef765b85972274e3b434af2572c141John McCall Spec->getSpecializedTemplate()->getTemplateParameters())); 4683cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall } 4693cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall 4701fb0caaa7bef765b85972274e3b434af2572c141John McCall return LV; 4713cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall} 4723cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall 4731fb0caaa7bef765b85972274e3b434af2572c141John McCallLVPair NamedDecl::getLinkageAndVisibility() const { 474becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek 475becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek // Objective-C: treat all Objective-C declarations as having external 476becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek // linkage. 477becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek switch (getKind()) { 478becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek default: 479becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek break; 4801fb0caaa7bef765b85972274e3b434af2572c141John McCall case Decl::TemplateTemplateParm: // count these as external 4811fb0caaa7bef765b85972274e3b434af2572c141John McCall case Decl::NonTypeTemplateParm: 482becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCAtDefsField: 483becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCCategory: 484becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCCategoryImpl: 485becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCCompatibleAlias: 486becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCForwardProtocol: 487becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCImplementation: 488becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCMethod: 489becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCProperty: 490becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCPropertyImpl: 491becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCProtocol: 4921fb0caaa7bef765b85972274e3b434af2572c141John McCall return LVPair(ExternalLinkage, DefaultVisibility); 493becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek } 494becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek 495d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // Handle linkage for namespace-scope names. 4967a126a474fdde06382b315b4e3d8ef0a21d4dc31Sebastian Redl if (getDeclContext()->getRedeclContext()->isFileContext()) 4971fb0caaa7bef765b85972274e3b434af2572c141John McCall return getLVForNamespaceScopeDecl(this); 498d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 499d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C++ [basic.link]p5: 500d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // In addition, a member function, static data member, a named 501d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // class or enumeration of class scope, or an unnamed class or 502d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // enumeration defined in a class-scope typedef declaration such 503d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // that the class or enumeration has the typedef name for linkage 504d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // purposes (7.1.3), has external linkage if the name of the class 505d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // has external linkage. 5063cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall if (getDeclContext()->isRecord()) 5071fb0caaa7bef765b85972274e3b434af2572c141John McCall return getLVForClassMember(this); 508d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 509d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C++ [basic.link]p6: 510d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // The name of a function declared in block scope and the name of 511d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // an object declared by a block scope extern declaration have 512d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // linkage. If there is a visible declaration of an entity with 513d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // linkage having the same name and type, ignoring entities 514d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // declared outside the innermost enclosing namespace scope, the 515d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // block scope declaration declares that same entity and receives 516d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // the linkage of the previous declaration. If there is more than 517d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // one such matching entity, the program is ill-formed. Otherwise, 518d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // if no matching entity is found, the block scope entity receives 519d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // external linkage. 520d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (getLexicalDeclContext()->isFunctionOrMethod()) { 521d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const FunctionDecl *Function = dyn_cast<FunctionDecl>(this)) { 5220b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (Function->isInAnonymousNamespace()) 5231fb0caaa7bef765b85972274e3b434af2572c141John McCall return LVPair(UniqueExternalLinkage, DefaultVisibility); 5241fb0caaa7bef765b85972274e3b434af2572c141John McCall 5251fb0caaa7bef765b85972274e3b434af2572c141John McCall LVPair LV(ExternalLinkage, DefaultVisibility); 526e7bc9722c807030409178d4af8ce8d1260bbd821John McCall if (const VisibilityAttr *VA = GetExplicitVisibility(Function)) 5271fb0caaa7bef765b85972274e3b434af2572c141John McCall LV.second = GetVisibilityFromAttr(VA); 5281fb0caaa7bef765b85972274e3b434af2572c141John McCall 5291fb0caaa7bef765b85972274e3b434af2572c141John McCall if (const FunctionDecl *Prev = Function->getPreviousDeclaration()) { 5301fb0caaa7bef765b85972274e3b434af2572c141John McCall LVPair PrevLV = Prev->getLinkageAndVisibility(); 5311fb0caaa7bef765b85972274e3b434af2572c141John McCall if (PrevLV.first) LV.first = PrevLV.first; 5321fb0caaa7bef765b85972274e3b434af2572c141John McCall LV.second = minVisibility(LV.second, PrevLV.second); 5331fb0caaa7bef765b85972274e3b434af2572c141John McCall } 5340b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 5351fb0caaa7bef765b85972274e3b434af2572c141John McCall return LV; 536d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 537d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 538d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const VarDecl *Var = dyn_cast<VarDecl>(this)) 539d931b086984257de68868a64a235c2b4b34003fbJohn McCall if (Var->getStorageClass() == SC_Extern || 540d931b086984257de68868a64a235c2b4b34003fbJohn McCall Var->getStorageClass() == SC_PrivateExtern) { 5410b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (Var->isInAnonymousNamespace()) 5421fb0caaa7bef765b85972274e3b434af2572c141John McCall return LVPair(UniqueExternalLinkage, DefaultVisibility); 5431fb0caaa7bef765b85972274e3b434af2572c141John McCall 5441fb0caaa7bef765b85972274e3b434af2572c141John McCall LVPair LV(ExternalLinkage, DefaultVisibility); 5451fb0caaa7bef765b85972274e3b434af2572c141John McCall if (Var->getStorageClass() == SC_PrivateExtern) 5461fb0caaa7bef765b85972274e3b434af2572c141John McCall LV.second = HiddenVisibility; 547e7bc9722c807030409178d4af8ce8d1260bbd821John McCall else if (const VisibilityAttr *VA = GetExplicitVisibility(Var)) 5481fb0caaa7bef765b85972274e3b434af2572c141John McCall LV.second = GetVisibilityFromAttr(VA); 5490b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 5501fb0caaa7bef765b85972274e3b434af2572c141John McCall if (const VarDecl *Prev = Var->getPreviousDeclaration()) { 5511fb0caaa7bef765b85972274e3b434af2572c141John McCall LVPair PrevLV = Prev->getLinkageAndVisibility(); 5521fb0caaa7bef765b85972274e3b434af2572c141John McCall if (PrevLV.first) LV.first = PrevLV.first; 5531fb0caaa7bef765b85972274e3b434af2572c141John McCall LV.second = minVisibility(LV.second, PrevLV.second); 5541fb0caaa7bef765b85972274e3b434af2572c141John McCall } 5551fb0caaa7bef765b85972274e3b434af2572c141John McCall 5561fb0caaa7bef765b85972274e3b434af2572c141John McCall return LV; 557d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 558d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 559d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 560d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C++ [basic.link]p6: 561d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // Names not covered by these rules have no linkage. 5621fb0caaa7bef765b85972274e3b434af2572c141John McCall return LVPair(NoLinkage, DefaultVisibility); 5631fb0caaa7bef765b85972274e3b434af2572c141John McCall} 564d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 56547b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregorstd::string NamedDecl::getQualifiedNameAsString() const { 5663a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson return getQualifiedNameAsString(getASTContext().getLangOptions()); 5673a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson} 5683a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson 5693a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlssonstd::string NamedDecl::getQualifiedNameAsString(const PrintingPolicy &P) const { 57047b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor const DeclContext *Ctx = getDeclContext(); 57147b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 57247b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor if (Ctx->isFunctionOrMethod()) 57347b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor return getNameAsString(); 57447b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 57568eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer typedef llvm::SmallVector<const DeclContext *, 8> ContextsTy; 57668eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer ContextsTy Contexts; 57768eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer 57868eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer // Collect contexts. 57968eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer while (Ctx && isa<NamedDecl>(Ctx)) { 58068eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer Contexts.push_back(Ctx); 58168eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer Ctx = Ctx->getParent(); 58268eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer }; 58368eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer 58468eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer std::string QualName; 58568eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer llvm::raw_string_ostream OS(QualName); 58668eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer 58768eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer for (ContextsTy::reverse_iterator I = Contexts.rbegin(), E = Contexts.rend(); 58868eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer I != E; ++I) { 5891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ClassTemplateSpecializationDecl *Spec 59068eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer = dyn_cast<ClassTemplateSpecializationDecl>(*I)) { 591f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregor const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); 592f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregor std::string TemplateArgsStr 593f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregor = TemplateSpecializationType::PrintTemplateArgumentList( 594f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregor TemplateArgs.getFlatArgumentList(), 595d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor TemplateArgs.flat_size(), 5963a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson P); 59768eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << Spec->getName() << TemplateArgsStr; 59868eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer } else if (const NamespaceDecl *ND = dyn_cast<NamespaceDecl>(*I)) { 5996be112049b24ffaa8508646aa695834b4b5ca2b2Sam Weinig if (ND->isAnonymousNamespace()) 60068eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << "<anonymous namespace>"; 6016be112049b24ffaa8508646aa695834b4b5ca2b2Sam Weinig else 60268eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << ND; 60368eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer } else if (const RecordDecl *RD = dyn_cast<RecordDecl>(*I)) { 60468eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer if (!RD->getIdentifier()) 60568eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << "<anonymous " << RD->getKindName() << '>'; 60668eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer else 60768eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << RD; 60868eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer } else if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(*I)) { 6093521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig const FunctionProtoType *FT = 0; 6103521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig if (FD->hasWrittenPrototype()) 6113521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig FT = dyn_cast<FunctionProtoType>(FD->getType()->getAs<FunctionType>()); 6123521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig 61368eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << FD << '('; 6143521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig if (FT) { 6153521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig unsigned NumParams = FD->getNumParams(); 6163521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig for (unsigned i = 0; i < NumParams; ++i) { 6173521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig if (i) 61868eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << ", "; 6193521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig std::string Param; 6203521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig FD->getParamDecl(i)->getType().getAsStringInternal(Param, P); 62168eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << Param; 6223521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig } 6233521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig 6243521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig if (FT->isVariadic()) { 6253521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig if (NumParams > 0) 62668eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << ", "; 62768eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << "..."; 6283521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig } 6293521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig } 63068eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << ')'; 63168eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer } else { 63268eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << cast<NamedDecl>(*I); 63368eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer } 63468eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << "::"; 63547b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor } 63647b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 6378472af4df9292e02fb25c952d25a81f3ca296252John McCall if (getDeclName()) 63868eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << this; 6398472af4df9292e02fb25c952d25a81f3ca296252John McCall else 64068eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << "<anonymous>"; 64147b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 64268eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer return OS.str(); 64347b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor} 64447b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 6454afa39deaa245592977136d367251ee2c173dd8dDouglas Gregorbool NamedDecl::declarationReplaces(NamedDecl *OldD) const { 6466ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor assert(getDeclName() == OldD->getDeclName() && "Declaration name mismatch"); 6476ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor 6482a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor // UsingDirectiveDecl's are not really NamedDecl's, and all have same name. 6492a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor // We want to keep it, unless it nominates same namespace. 6502a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor if (getKind() == Decl::UsingDirective) { 6512a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor return cast<UsingDirectiveDecl>(this)->getNominatedNamespace() == 6522a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor cast<UsingDirectiveDecl>(OldD)->getNominatedNamespace(); 6532a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor } 6541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6556ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(this)) 6566ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor // For function declarations, we keep track of redeclarations. 6576ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor return FD->getPreviousDeclaration() == OldD; 6586ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor 659e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor // For function templates, the underlying function declarations are linked. 660e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor if (const FunctionTemplateDecl *FunctionTemplate 661e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor = dyn_cast<FunctionTemplateDecl>(this)) 662e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor if (const FunctionTemplateDecl *OldFunctionTemplate 663e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor = dyn_cast<FunctionTemplateDecl>(OldD)) 664e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor return FunctionTemplate->getTemplatedDecl() 665e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor ->declarationReplaces(OldFunctionTemplate->getTemplatedDecl()); 6661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6670de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff // For method declarations, we keep track of redeclarations. 6680de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff if (isa<ObjCMethodDecl>(this)) 6690de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff return false; 6701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 671f36e02d4aff98bf2e52e342e0038d4172fbb5e64John McCall if (isa<ObjCInterfaceDecl>(this) && isa<ObjCCompatibleAliasDecl>(OldD)) 672f36e02d4aff98bf2e52e342e0038d4172fbb5e64John McCall return true; 673f36e02d4aff98bf2e52e342e0038d4172fbb5e64John McCall 6749488ea120e093068021f944176c3d610dd540914John McCall if (isa<UsingShadowDecl>(this) && isa<UsingShadowDecl>(OldD)) 6759488ea120e093068021f944176c3d610dd540914John McCall return cast<UsingShadowDecl>(this)->getTargetDecl() == 6769488ea120e093068021f944176c3d610dd540914John McCall cast<UsingShadowDecl>(OldD)->getTargetDecl(); 6779488ea120e093068021f944176c3d610dd540914John McCall 6786ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor // For non-function declarations, if the declarations are of the 6796ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor // same kind then this must be a redeclaration, or semantic analysis 6806ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor // would not have given us the new declaration. 6816ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor return this->getKind() == OldD->getKind(); 6826ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor} 6836ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor 684d6f7e9dccd0fa8a5a15d7478324c0ae229fc5e1eDouglas Gregorbool NamedDecl::hasLinkage() const { 685d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor return getLinkage() != NoLinkage; 686d6f7e9dccd0fa8a5a15d7478324c0ae229fc5e1eDouglas Gregor} 6874afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor 688e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders CarlssonNamedDecl *NamedDecl::getUnderlyingDecl() { 689e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson NamedDecl *ND = this; 690e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson while (true) { 6919488ea120e093068021f944176c3d610dd540914John McCall if (UsingShadowDecl *UD = dyn_cast<UsingShadowDecl>(ND)) 692e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson ND = UD->getTargetDecl(); 693e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson else if (ObjCCompatibleAliasDecl *AD 694e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson = dyn_cast<ObjCCompatibleAliasDecl>(ND)) 695e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson return AD->getClassInterface(); 696e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson else 697e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson return ND; 698e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson } 699e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson} 700e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson 701161755a09898c95d21bfff33707da9ca41cd53c5John McCallbool NamedDecl::isCXXInstanceMember() const { 702161755a09898c95d21bfff33707da9ca41cd53c5John McCall assert(isCXXClassMember() && 703161755a09898c95d21bfff33707da9ca41cd53c5John McCall "checking whether non-member is instance member"); 704161755a09898c95d21bfff33707da9ca41cd53c5John McCall 705161755a09898c95d21bfff33707da9ca41cd53c5John McCall const NamedDecl *D = this; 706161755a09898c95d21bfff33707da9ca41cd53c5John McCall if (isa<UsingShadowDecl>(D)) 707161755a09898c95d21bfff33707da9ca41cd53c5John McCall D = cast<UsingShadowDecl>(D)->getTargetDecl(); 708161755a09898c95d21bfff33707da9ca41cd53c5John McCall 709161755a09898c95d21bfff33707da9ca41cd53c5John McCall if (isa<FieldDecl>(D)) 710161755a09898c95d21bfff33707da9ca41cd53c5John McCall return true; 711161755a09898c95d21bfff33707da9ca41cd53c5John McCall if (isa<CXXMethodDecl>(D)) 712161755a09898c95d21bfff33707da9ca41cd53c5John McCall return cast<CXXMethodDecl>(D)->isInstance(); 713161755a09898c95d21bfff33707da9ca41cd53c5John McCall if (isa<FunctionTemplateDecl>(D)) 714161755a09898c95d21bfff33707da9ca41cd53c5John McCall return cast<CXXMethodDecl>(cast<FunctionTemplateDecl>(D) 715161755a09898c95d21bfff33707da9ca41cd53c5John McCall ->getTemplatedDecl())->isInstance(); 716161755a09898c95d21bfff33707da9ca41cd53c5John McCall return false; 717161755a09898c95d21bfff33707da9ca41cd53c5John McCall} 718161755a09898c95d21bfff33707da9ca41cd53c5John McCall 7195239304ff761b8b03eefb772bd5d830a9b9f1aeaArgyrios Kyrtzidis//===----------------------------------------------------------------------===// 720a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis// DeclaratorDecl Implementation 721a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis//===----------------------------------------------------------------------===// 722a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis 7231693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregortemplate <typename DeclT> 7241693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregorstatic SourceLocation getTemplateOrInnerLocStart(const DeclT *decl) { 7251693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor if (decl->getNumTemplateParameterLists() > 0) 7261693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor return decl->getTemplateParameterList(0)->getTemplateLoc(); 7271693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor else 7281693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor return decl->getInnerLocStart(); 7291693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor} 7301693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor 731a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios KyrtzidisSourceLocation DeclaratorDecl::getTypeSpecStartLoc() const { 7324e449836c0deee9cfd92d32cb7d843759fa6452bJohn McCall TypeSourceInfo *TSI = getTypeSourceInfo(); 7334e449836c0deee9cfd92d32cb7d843759fa6452bJohn McCall if (TSI) return TSI->getTypeLoc().getBeginLoc(); 734a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis return SourceLocation(); 735a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis} 736a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis 737b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCallvoid DeclaratorDecl::setQualifierInfo(NestedNameSpecifier *Qualifier, 738b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall SourceRange QualifierRange) { 739b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (Qualifier) { 740b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Make sure the extended decl info is allocated. 741b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (!hasExtInfo()) { 742b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Save (non-extended) type source info pointer. 743b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall TypeSourceInfo *savedTInfo = DeclInfo.get<TypeSourceInfo*>(); 744b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Allocate external info struct. 745b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall DeclInfo = new (getASTContext()) ExtInfo; 746b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Restore savedTInfo into (extended) decl info. 747b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall getExtInfo()->TInfo = savedTInfo; 748b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall } 749b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Set qualifier info. 750b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall getExtInfo()->NNS = Qualifier; 751b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall getExtInfo()->NNSRange = QualifierRange; 752b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall } 753b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall else { 754b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Here Qualifier == 0, i.e., we are removing the qualifier (if any). 755b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall assert(QualifierRange.isInvalid()); 756b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (hasExtInfo()) { 757b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Save type source info pointer. 758b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall TypeSourceInfo *savedTInfo = getExtInfo()->TInfo; 759b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Deallocate the extended decl info. 760b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall getASTContext().Deallocate(getExtInfo()); 761b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Restore savedTInfo into (non-extended) decl info. 762b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall DeclInfo = savedTInfo; 763b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall } 764b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall } 765b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall} 766b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 7671693e154bef16ca060b5e3786d8528ddc11f5637Douglas GregorSourceLocation DeclaratorDecl::getOuterLocStart() const { 7681693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor return getTemplateOrInnerLocStart(this); 7691693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor} 7701693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor 7719b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnaravoid 772c722ea4fbf886d6460b256b5e819a4ee751d5fffDouglas GregorQualifierInfo::setTemplateParameterListsInfo(ASTContext &Context, 773c722ea4fbf886d6460b256b5e819a4ee751d5fffDouglas Gregor unsigned NumTPLists, 7749b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara TemplateParameterList **TPLists) { 7759b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara assert((NumTPLists == 0 || TPLists != 0) && 7769b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara "Empty array of template parameters with positive size!"); 7779b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara assert((NumTPLists == 0 || NNS) && 7789b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara "Nonempty array of template parameters with no qualifier!"); 7799b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara 7809b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara // Free previous template parameters (if any). 7819b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara if (NumTemplParamLists > 0) { 782c722ea4fbf886d6460b256b5e819a4ee751d5fffDouglas Gregor Context.Deallocate(TemplParamLists); 7839b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara TemplParamLists = 0; 7849b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara NumTemplParamLists = 0; 7859b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara } 7869b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara // Set info on matched template parameter lists (if any). 7879b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara if (NumTPLists > 0) { 788c722ea4fbf886d6460b256b5e819a4ee751d5fffDouglas Gregor TemplParamLists = new (Context) TemplateParameterList*[NumTPLists]; 7899b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara NumTemplParamLists = NumTPLists; 7909b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara for (unsigned i = NumTPLists; i-- > 0; ) 7919b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara TemplParamLists[i] = TPLists[i]; 7929b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara } 7939b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara} 7949b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara 795a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis//===----------------------------------------------------------------------===// 79699f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes// VarDecl Implementation 79799f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes//===----------------------------------------------------------------------===// 79899f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes 7997783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlconst char *VarDecl::getStorageClassSpecifierString(StorageClass SC) { 8007783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl switch (SC) { 801d931b086984257de68868a64a235c2b4b34003fbJohn McCall case SC_None: break; 802d931b086984257de68868a64a235c2b4b34003fbJohn McCall case SC_Auto: return "auto"; break; 803d931b086984257de68868a64a235c2b4b34003fbJohn McCall case SC_Extern: return "extern"; break; 804d931b086984257de68868a64a235c2b4b34003fbJohn McCall case SC_PrivateExtern: return "__private_extern__"; break; 805d931b086984257de68868a64a235c2b4b34003fbJohn McCall case SC_Register: return "register"; break; 806d931b086984257de68868a64a235c2b4b34003fbJohn McCall case SC_Static: return "static"; break; 8077783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl } 8087783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 8097783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl assert(0 && "Invalid storage class"); 8107783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return 0; 8117783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 8127783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 8134afa39deaa245592977136d367251ee2c173dd8dDouglas GregorVarDecl *VarDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L, 814a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall IdentifierInfo *Id, QualType T, TypeSourceInfo *TInfo, 81516573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor StorageClass S, StorageClass SCAsWritten) { 81616573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor return new (C) VarDecl(Var, DC, L, Id, T, TInfo, S, SCAsWritten); 81799f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes} 81899f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes 8191693e154bef16ca060b5e3786d8528ddc11f5637Douglas GregorSourceLocation VarDecl::getInnerLocStart() const { 82033e9abd21083a0191a7676a04b497006d2da184dDouglas Gregor SourceLocation Start = getTypeSpecStartLoc(); 82133e9abd21083a0191a7676a04b497006d2da184dDouglas Gregor if (Start.isInvalid()) 82233e9abd21083a0191a7676a04b497006d2da184dDouglas Gregor Start = getLocation(); 8231693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor return Start; 8241693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor} 8251693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor 8261693e154bef16ca060b5e3786d8528ddc11f5637Douglas GregorSourceRange VarDecl::getSourceRange() const { 82755d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis if (getInit()) 8281693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor return SourceRange(getOuterLocStart(), getInit()->getLocEnd()); 8291693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor return SourceRange(getOuterLocStart(), getLocation()); 83055d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis} 83155d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis 8327783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlbool VarDecl::isExternC() const { 8337783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl ASTContext &Context = getASTContext(); 8347783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (!Context.getLangOptions().CPlusPlus) 8357783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return (getDeclContext()->isTranslationUnit() && 836d931b086984257de68868a64a235c2b4b34003fbJohn McCall getStorageClass() != SC_Static) || 8377783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl (getDeclContext()->isFunctionOrMethod() && hasExternalStorage()); 8387783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 8397783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl for (const DeclContext *DC = getDeclContext(); !DC->isTranslationUnit(); 8407783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl DC = DC->getParent()) { 8417783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (const LinkageSpecDecl *Linkage = dyn_cast<LinkageSpecDecl>(DC)) { 8427783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (Linkage->getLanguage() == LinkageSpecDecl::lang_c) 843d931b086984257de68868a64a235c2b4b34003fbJohn McCall return getStorageClass() != SC_Static; 8447783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 8457783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl break; 8467783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl } 8477783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 8487783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (DC->isFunctionOrMethod()) 8497783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return false; 8507783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl } 8517783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 8527783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return false; 8537783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 8547783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 8557783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlVarDecl *VarDecl::getCanonicalDecl() { 8567783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return getFirstDeclaration(); 8577783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 8587783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 859e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian RedlVarDecl::DefinitionKind VarDecl::isThisDeclarationADefinition() const { 860e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // C++ [basic.def]p2: 861e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // A declaration is a definition unless [...] it contains the 'extern' 862e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // specifier or a linkage-specification and neither an initializer [...], 863e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // it declares a static data member in a class declaration [...]. 864e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // C++ [temp.expl.spec]p15: 865e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // An explicit specialization of a static data member of a template is a 866e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // definition if the declaration includes an initializer; otherwise, it is 867e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // a declaration. 868e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (isStaticDataMember()) { 869e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (isOutOfLine() && (hasInit() || 870e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl getTemplateSpecializationKind() != TSK_ExplicitSpecialization)) 871e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return Definition; 872e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl else 873e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return DeclarationOnly; 874e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl } 875e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // C99 6.7p5: 876e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // A definition of an identifier is a declaration for that identifier that 877e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // [...] causes storage to be reserved for that object. 878e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // Note: that applies for all non-file-scope objects. 879e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // C99 6.9.2p1: 880e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // If the declaration of an identifier for an object has file scope and an 881e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // initializer, the declaration is an external definition for the identifier 882e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (hasInit()) 883e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return Definition; 884e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // AST for 'extern "C" int foo;' is annotated with 'extern'. 885e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (hasExternalStorage()) 886e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return DeclarationOnly; 8872bf6d7b1f7406ca4dfe841d4f6ef4b91dce195e4Fariborz Jahanian 888d931b086984257de68868a64a235c2b4b34003fbJohn McCall if (getStorageClassAsWritten() == SC_Extern || 889d931b086984257de68868a64a235c2b4b34003fbJohn McCall getStorageClassAsWritten() == SC_PrivateExtern) { 8902bf6d7b1f7406ca4dfe841d4f6ef4b91dce195e4Fariborz Jahanian for (const VarDecl *PrevVar = getPreviousDeclaration(); 8912bf6d7b1f7406ca4dfe841d4f6ef4b91dce195e4Fariborz Jahanian PrevVar; PrevVar = PrevVar->getPreviousDeclaration()) { 8922bf6d7b1f7406ca4dfe841d4f6ef4b91dce195e4Fariborz Jahanian if (PrevVar->getLinkage() == InternalLinkage && PrevVar->hasInit()) 8932bf6d7b1f7406ca4dfe841d4f6ef4b91dce195e4Fariborz Jahanian return DeclarationOnly; 8942bf6d7b1f7406ca4dfe841d4f6ef4b91dce195e4Fariborz Jahanian } 8952bf6d7b1f7406ca4dfe841d4f6ef4b91dce195e4Fariborz Jahanian } 896e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // C99 6.9.2p2: 897e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // A declaration of an object that has file scope without an initializer, 898e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // and without a storage class specifier or the scs 'static', constitutes 899e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // a tentative definition. 900e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // No such thing in C++. 901e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (!getASTContext().getLangOptions().CPlusPlus && isFileVarDecl()) 902e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return TentativeDefinition; 903e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 904e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // What's left is (in C, block-scope) declarations without initializers or 905e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // external storage. These are definitions. 906e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return Definition; 907e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl} 908e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 909e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian RedlVarDecl *VarDecl::getActingDefinition() { 910e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl DefinitionKind Kind = isThisDeclarationADefinition(); 911e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (Kind != TentativeDefinition) 912e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return 0; 913e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 914f0ed9ef428a051bafc914b9935dcd1d1aa30cf3fChris Lattner VarDecl *LastTentative = 0; 915e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl VarDecl *First = getFirstDeclaration(); 916e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl for (redecl_iterator I = First->redecls_begin(), E = First->redecls_end(); 917e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl I != E; ++I) { 918e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl Kind = (*I)->isThisDeclarationADefinition(); 919e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (Kind == Definition) 920e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return 0; 921e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl else if (Kind == TentativeDefinition) 922e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl LastTentative = *I; 923e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl } 924e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return LastTentative; 925e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl} 926e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 927e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redlbool VarDecl::isTentativeDefinitionNow() const { 928e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl DefinitionKind Kind = isThisDeclarationADefinition(); 929e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (Kind != TentativeDefinition) 930e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return false; 931e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 932e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl for (redecl_iterator I = redecls_begin(), E = redecls_end(); I != E; ++I) { 933e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if ((*I)->isThisDeclarationADefinition() == Definition) 934e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return false; 935e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl } 93631310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl return true; 93731310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl} 93831310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl 93931310a21fb2a9f13950f864f681c86080b05d5b2Sebastian RedlVarDecl *VarDecl::getDefinition() { 940e2c52d29e483b4167bd5d8e3265c2fb7c38fbcd5Sebastian Redl VarDecl *First = getFirstDeclaration(); 941e2c52d29e483b4167bd5d8e3265c2fb7c38fbcd5Sebastian Redl for (redecl_iterator I = First->redecls_begin(), E = First->redecls_end(); 942e2c52d29e483b4167bd5d8e3265c2fb7c38fbcd5Sebastian Redl I != E; ++I) { 94331310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl if ((*I)->isThisDeclarationADefinition() == Definition) 94431310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl return *I; 94531310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl } 94631310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl return 0; 947e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl} 948e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 94931310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redlconst Expr *VarDecl::getAnyInitializer(const VarDecl *&D) const { 9507783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl redecl_iterator I = redecls_begin(), E = redecls_end(); 9517783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl while (I != E && !I->getInit()) 9527783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl ++I; 9537783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 9547783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (I != E) { 95531310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl D = *I; 9567783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return I->getInit(); 9577783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl } 9587783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return 0; 9597783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 9607783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 9611028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregorbool VarDecl::isOutOfLine() const { 9621028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor if (Decl::isOutOfLine()) 9631028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor return true; 9648761d680eaa7386e03f51286f4b84a1ffe575e2eChandler Carruth 9658761d680eaa7386e03f51286f4b84a1ffe575e2eChandler Carruth if (!isStaticDataMember()) 9668761d680eaa7386e03f51286f4b84a1ffe575e2eChandler Carruth return false; 9678761d680eaa7386e03f51286f4b84a1ffe575e2eChandler Carruth 9681028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor // If this static data member was instantiated from a static data member of 9691028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor // a class template, check whether that static data member was defined 9701028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor // out-of-line. 9711028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor if (VarDecl *VD = getInstantiatedFromStaticDataMember()) 9721028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor return VD->isOutOfLine(); 9731028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor 9741028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor return false; 9751028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor} 9761028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor 9770d03514da06dffb39a260a1228ea3fd01d196fa4Douglas GregorVarDecl *VarDecl::getOutOfLineDefinition() { 9780d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor if (!isStaticDataMember()) 9790d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor return 0; 9800d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor 9810d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor for (VarDecl::redecl_iterator RD = redecls_begin(), RDEnd = redecls_end(); 9820d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor RD != RDEnd; ++RD) { 9830d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor if (RD->getLexicalDeclContext()->isFileContext()) 9840d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor return *RD; 9850d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor } 9860d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor 9870d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor return 0; 9880d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor} 9890d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor 990838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregorvoid VarDecl::setInit(Expr *I) { 9917783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (EvaluatedStmt *Eval = Init.dyn_cast<EvaluatedStmt *>()) { 9927783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl Eval->~EvaluatedStmt(); 993838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor getASTContext().Deallocate(Eval); 9947783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl } 9957783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 9967783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl Init = I; 9977783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 9987783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 9991028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas GregorVarDecl *VarDecl::getInstantiatedFromStaticDataMember() const { 1000b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor if (MemberSpecializationInfo *MSI = getMemberSpecializationInfo()) 1001251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return cast<VarDecl>(MSI->getInstantiatedFrom()); 1002251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor 1003251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return 0; 1004251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor} 1005251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor 1006663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas GregorTemplateSpecializationKind VarDecl::getTemplateSpecializationKind() const { 1007e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (MemberSpecializationInfo *MSI = getMemberSpecializationInfo()) 1008251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return MSI->getTemplateSpecializationKind(); 1009251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor 1010251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return TSK_Undeclared; 1011251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor} 1012251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor 10131028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas GregorMemberSpecializationInfo *VarDecl::getMemberSpecializationInfo() const { 1014b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor return getASTContext().getInstantiatedFromStaticDataMember(this); 1015b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor} 1016b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor 10170a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregorvoid VarDecl::setTemplateSpecializationKind(TemplateSpecializationKind TSK, 10180a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor SourceLocation PointOfInstantiation) { 1019b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor MemberSpecializationInfo *MSI = getMemberSpecializationInfo(); 1020251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor assert(MSI && "Not an instantiated static data member?"); 1021251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor MSI->setTemplateSpecializationKind(TSK); 10220a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor if (TSK != TSK_ExplicitSpecialization && 10230a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor PointOfInstantiation.isValid() && 10240a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor MSI->getPointOfInstantiation().isInvalid()) 10250a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor MSI->setPointOfInstantiation(PointOfInstantiation); 10267caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 10277caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 10287783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 10297783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl// ParmVarDecl Implementation 10307783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 1031275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor 10327783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlParmVarDecl *ParmVarDecl::Create(ASTContext &C, DeclContext *DC, 10337783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl SourceLocation L, IdentifierInfo *Id, 10347783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl QualType T, TypeSourceInfo *TInfo, 103516573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor StorageClass S, StorageClass SCAsWritten, 103616573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor Expr *DefArg) { 103716573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor return new (C) ParmVarDecl(ParmVar, DC, L, Id, T, TInfo, 103816573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor S, SCAsWritten, DefArg); 1039275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor} 1040275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor 10417783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlExpr *ParmVarDecl::getDefaultArg() { 10427783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl assert(!hasUnparsedDefaultArg() && "Default argument is not yet parsed!"); 10437783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl assert(!hasUninstantiatedDefaultArg() && 10447783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl "Default argument is not yet instantiated!"); 10457783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 10467783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl Expr *Arg = getInit(); 10477783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (CXXExprWithTemporaries *E = dyn_cast_or_null<CXXExprWithTemporaries>(Arg)) 10487783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return E->getSubExpr(); 10497783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 10507783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return Arg; 10517783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 10527783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 10537783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlunsigned ParmVarDecl::getNumDefaultArgTemporaries() const { 10547783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (const CXXExprWithTemporaries *E = 10557783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl dyn_cast<CXXExprWithTemporaries>(getInit())) 10567783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return E->getNumTemporaries(); 1057275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor 1058c37929c9e0dba89770dc5f0fbcfa0c9046da0b06Argyrios Kyrtzidis return 0; 1059275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor} 1060275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor 10617783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlCXXTemporary *ParmVarDecl::getDefaultArgTemporary(unsigned i) { 10627783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl assert(getNumDefaultArgTemporaries() && 10637783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl "Default arguments does not have any temporaries!"); 10647783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 10657783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl CXXExprWithTemporaries *E = cast<CXXExprWithTemporaries>(getInit()); 10667783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return E->getTemporary(i); 10677783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 10687783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 10697783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlSourceRange ParmVarDecl::getDefaultArgRange() const { 10707783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (const Expr *E = getInit()) 10717783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return E->getSourceRange(); 10727783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 10737783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (hasUninstantiatedDefaultArg()) 10747783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return getUninstantiatedDefaultArg()->getSourceRange(); 10757783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 10767783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return SourceRange(); 1077fc7e2a8fbb08f0f496ac6cea0721fe72db8ce240Argyrios Kyrtzidis} 1078fc7e2a8fbb08f0f496ac6cea0721fe72db8ce240Argyrios Kyrtzidis 107999f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes//===----------------------------------------------------------------------===// 10808a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner// FunctionDecl Implementation 10818a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner//===----------------------------------------------------------------------===// 10828a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner 1083136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCallvoid FunctionDecl::getNameForDiagnostic(std::string &S, 1084136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall const PrintingPolicy &Policy, 1085136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall bool Qualified) const { 1086136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall NamedDecl::getNameForDiagnostic(S, Policy, Qualified); 1087136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall const TemplateArgumentList *TemplateArgs = getTemplateSpecializationArgs(); 1088136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall if (TemplateArgs) 1089136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall S += TemplateSpecializationType::PrintTemplateArgumentList( 1090136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall TemplateArgs->getFlatArgumentList(), 1091136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall TemplateArgs->flat_size(), 1092136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall Policy); 1093136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall 1094136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall} 109527f8a28bee33bb0e857cfe1a61c281bbc234b338Ted Kremenek 10969498d388810d284d3970aef0d69fa4d069fd6cafTed Kremenekbool FunctionDecl::isVariadic() const { 10979498d388810d284d3970aef0d69fa4d069fd6cafTed Kremenek if (const FunctionProtoType *FT = getType()->getAs<FunctionProtoType>()) 10989498d388810d284d3970aef0d69fa4d069fd6cafTed Kremenek return FT->isVariadic(); 10999498d388810d284d3970aef0d69fa4d069fd6cafTed Kremenek return false; 11009498d388810d284d3970aef0d69fa4d069fd6cafTed Kremenek} 11019498d388810d284d3970aef0d69fa4d069fd6cafTed Kremenek 110206a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidisbool FunctionDecl::hasBody(const FunctionDecl *&Definition) const { 110306a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis for (redecl_iterator I = redecls_begin(), E = redecls_end(); I != E; ++I) { 110406a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis if (I->Body) { 110506a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis Definition = *I; 110606a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis return true; 110706a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis } 110806a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis } 110906a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis 111006a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis return false; 111106a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis} 111206a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis 11136fb0aee4f9dc261bbec72e1283ad8dc0557a6d96Argyrios KyrtzidisStmt *FunctionDecl::getBody(const FunctionDecl *&Definition) const { 1114c37929c9e0dba89770dc5f0fbcfa0c9046da0b06Argyrios Kyrtzidis for (redecl_iterator I = redecls_begin(), E = redecls_end(); I != E; ++I) { 1115c37929c9e0dba89770dc5f0fbcfa0c9046da0b06Argyrios Kyrtzidis if (I->Body) { 1116c37929c9e0dba89770dc5f0fbcfa0c9046da0b06Argyrios Kyrtzidis Definition = *I; 1117c37929c9e0dba89770dc5f0fbcfa0c9046da0b06Argyrios Kyrtzidis return I->Body.get(getASTContext().getExternalSource()); 1118f009795057dc8ca254f5618c80a0a90f07cd44b4Douglas Gregor } 1119f009795057dc8ca254f5618c80a0a90f07cd44b4Douglas Gregor } 1120f009795057dc8ca254f5618c80a0a90f07cd44b4Douglas Gregor 1121f009795057dc8ca254f5618c80a0a90f07cd44b4Douglas Gregor return 0; 11225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 11235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 112455d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidisvoid FunctionDecl::setBody(Stmt *B) { 112555d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis Body = B; 11261a5364e0fa0482d8d477d6f136d52e503bbe13f4Argyrios Kyrtzidis if (B) 112755d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis EndRangeLoc = B->getLocEnd(); 112855d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis} 112955d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis 11302138664dd2cff39de52ff11ca35f653c20b2e4b0Douglas Gregorvoid FunctionDecl::setPure(bool P) { 11312138664dd2cff39de52ff11ca35f653c20b2e4b0Douglas Gregor IsPure = P; 11322138664dd2cff39de52ff11ca35f653c20b2e4b0Douglas Gregor if (P) 11332138664dd2cff39de52ff11ca35f653c20b2e4b0Douglas Gregor if (CXXRecordDecl *Parent = dyn_cast<CXXRecordDecl>(getDeclContext())) 11342138664dd2cff39de52ff11ca35f653c20b2e4b0Douglas Gregor Parent->markedVirtualFunctionPure(); 11352138664dd2cff39de52ff11ca35f653c20b2e4b0Douglas Gregor} 11362138664dd2cff39de52ff11ca35f653c20b2e4b0Douglas Gregor 113748a83b5e7ae4051c7c11680ac00c1fa02d610a62Douglas Gregorbool FunctionDecl::isMain() const { 113848a83b5e7ae4051c7c11680ac00c1fa02d610a62Douglas Gregor ASTContext &Context = getASTContext(); 113907a5c22bb6fb0674c95205ae189365bf8e1b695eJohn McCall return !Context.getLangOptions().Freestanding && 11407a126a474fdde06382b315b4e3d8ef0a21d4dc31Sebastian Redl getDeclContext()->getRedeclContext()->isTranslationUnit() && 114104495c859f81e440748a9b86baa2913461652bb0Douglas Gregor getIdentifier() && getIdentifier()->isStr("main"); 114204495c859f81e440748a9b86baa2913461652bb0Douglas Gregor} 114304495c859f81e440748a9b86baa2913461652bb0Douglas Gregor 114448a83b5e7ae4051c7c11680ac00c1fa02d610a62Douglas Gregorbool FunctionDecl::isExternC() const { 114548a83b5e7ae4051c7c11680ac00c1fa02d610a62Douglas Gregor ASTContext &Context = getASTContext(); 11466393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor // In C, any non-static, non-overloadable function has external 11476393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor // linkage. 11486393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor if (!Context.getLangOptions().CPlusPlus) 1149d931b086984257de68868a64a235c2b4b34003fbJohn McCall return getStorageClass() != SC_Static && !getAttr<OverloadableAttr>(); 11506393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor 11511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (const DeclContext *DC = getDeclContext(); !DC->isTranslationUnit(); 11526393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor DC = DC->getParent()) { 11536393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor if (const LinkageSpecDecl *Linkage = dyn_cast<LinkageSpecDecl>(DC)) { 11546393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor if (Linkage->getLanguage() == LinkageSpecDecl::lang_c) 1155d931b086984257de68868a64a235c2b4b34003fbJohn McCall return getStorageClass() != SC_Static && 115640b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis !getAttr<OverloadableAttr>(); 11576393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor 11586393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor break; 11596393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor } 116045975531e3e93033b41e04974340e4e8f7481d61Douglas Gregor 116145975531e3e93033b41e04974340e4e8f7481d61Douglas Gregor if (DC->isRecord()) 116245975531e3e93033b41e04974340e4e8f7481d61Douglas Gregor break; 11636393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor } 11646393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor 11650bab54cf82cd679152197c7a2eb938f8aa9f07ddDouglas Gregor return isMain(); 11666393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor} 11676393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor 11688499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregorbool FunctionDecl::isGlobal() const { 11698499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor if (const CXXMethodDecl *Method = dyn_cast<CXXMethodDecl>(this)) 11708499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor return Method->isStatic(); 11718499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor 1172d931b086984257de68868a64a235c2b4b34003fbJohn McCall if (getStorageClass() == SC_Static) 11738499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor return false; 11748499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor 11751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (const DeclContext *DC = getDeclContext(); 11768499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor DC->isNamespace(); 11778499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor DC = DC->getParent()) { 11788499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor if (const NamespaceDecl *Namespace = cast<NamespaceDecl>(DC)) { 11798499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor if (!Namespace->getDeclName()) 11808499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor return false; 11818499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor break; 11828499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor } 11838499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor } 11848499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor 11858499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor return true; 11868499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor} 11878499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor 11887783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlvoid 11897783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlFunctionDecl::setPreviousDeclaration(FunctionDecl *PrevDecl) { 11907783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl redeclarable_base::setPreviousDeclaration(PrevDecl); 11917783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 11927783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (FunctionTemplateDecl *FunTmpl = getDescribedFunctionTemplate()) { 11937783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl FunctionTemplateDecl *PrevFunTmpl 11947783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl = PrevDecl? PrevDecl->getDescribedFunctionTemplate() : 0; 11957783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl assert((!PrevDecl || PrevFunTmpl) && "Function/function template mismatch"); 11967783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl FunTmpl->setPreviousDeclaration(PrevFunTmpl); 11977783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl } 11987783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 11997783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 12007783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlconst FunctionDecl *FunctionDecl::getCanonicalDecl() const { 12017783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return getFirstDeclaration(); 12027783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 12037783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 12047783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlFunctionDecl *FunctionDecl::getCanonicalDecl() { 12057783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return getFirstDeclaration(); 12067783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 12077783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 12083e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// \brief Returns a value indicating whether this function 12093e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// corresponds to a builtin function. 12103e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// 12113e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// The function corresponds to a built-in function if it is 12123e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// declared at translation scope or within an extern "C" block and 12133e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// its name matches with the name of a builtin. The returned value 12143e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// will be 0 for functions that do not correspond to a builtin, a 12151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// value of type \c Builtin::ID if in the target-independent range 12163e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// \c [1,Builtin::First), or a target-specific builtin value. 12177814e6d6645d587891293d59ecf6576defcfac92Douglas Gregorunsigned FunctionDecl::getBuiltinID() const { 12187814e6d6645d587891293d59ecf6576defcfac92Douglas Gregor ASTContext &Context = getASTContext(); 12193c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor if (!getIdentifier() || !getIdentifier()->getBuiltinID()) 12203c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor return 0; 12213c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor 12223c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor unsigned BuiltinID = getIdentifier()->getBuiltinID(); 12233c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor if (!Context.BuiltinInfo.isPredefinedLibFunction(BuiltinID)) 12243c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor return BuiltinID; 12253c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor 12263c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // This function has the name of a known C library 12273c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // function. Determine whether it actually refers to the C library 12283c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // function or whether it just has the same name. 12293c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor 12309add31798f621f843233dbff8bba103fca64447bDouglas Gregor // If this is a static function, it's not a builtin. 1231d931b086984257de68868a64a235c2b4b34003fbJohn McCall if (getStorageClass() == SC_Static) 12329add31798f621f843233dbff8bba103fca64447bDouglas Gregor return 0; 12339add31798f621f843233dbff8bba103fca64447bDouglas Gregor 12343c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // If this function is at translation-unit scope and we're not in 12353c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // C++, it refers to the C library function. 12363c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor if (!Context.getLangOptions().CPlusPlus && 12373c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor getDeclContext()->isTranslationUnit()) 12383c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor return BuiltinID; 12393c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor 12403c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // If the function is in an extern "C" linkage specification and is 12413c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // not marked "overloadable", it's the real function. 12423c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor if (isa<LinkageSpecDecl>(getDeclContext()) && 12431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump cast<LinkageSpecDecl>(getDeclContext())->getLanguage() 12443c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor == LinkageSpecDecl::lang_c && 124540b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis !getAttr<OverloadableAttr>()) 12463c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor return BuiltinID; 12473c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor 12483c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // Not a builtin 12493e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor return 0; 12503e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor} 12513e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor 12523e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor 12531ad9b28e3217c2349a04f3d3bf14f9c73a99afa7Chris Lattner/// getNumParams - Return the number of parameters this function must have 12542dbd285f5033ca6dea25babfd1c43d9fec35e7e5Chris Lattner/// based on its FunctionType. This is the length of the PararmInfo array 12551ad9b28e3217c2349a04f3d3bf14f9c73a99afa7Chris Lattner/// after it has been created. 12561ad9b28e3217c2349a04f3d3bf14f9c73a99afa7Chris Lattnerunsigned FunctionDecl::getNumParams() const { 1257183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *FT = getType()->getAs<FunctionType>(); 125872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor if (isa<FunctionNoProtoType>(FT)) 1259d3b9065ec7052ec4741783d2fb4130d13c766933Chris Lattner return 0; 126072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return cast<FunctionProtoType>(FT)->getNumArgs(); 12611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 12635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12646b5415196327fa8ef00f028ba175fafef1738ae1Argyrios Kyrtzidisvoid FunctionDecl::setParams(ASTContext &C, 12656b5415196327fa8ef00f028ba175fafef1738ae1Argyrios Kyrtzidis ParmVarDecl **NewParamInfo, unsigned NumParams) { 12665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(ParamInfo == 0 && "Already has param info!"); 12672dbd285f5033ca6dea25babfd1c43d9fec35e7e5Chris Lattner assert(NumParams == getNumParams() && "Parameter count mismatch!"); 12681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Zero params -> null pointer. 12705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (NumParams) { 12716b5415196327fa8ef00f028ba175fafef1738ae1Argyrios Kyrtzidis void *Mem = C.Allocate(sizeof(ParmVarDecl*)*NumParams); 1272fc767615bc67d3a7587b1fb2e0494c32c9dbd7a5Ted Kremenek ParamInfo = new (Mem) ParmVarDecl*[NumParams]; 12735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer memcpy(ParamInfo, NewParamInfo, sizeof(ParmVarDecl*)*NumParams); 127455d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis 127596888cc2515e55c9b5dd6798063bf4be2c22983aArgyrios Kyrtzidis // Update source range. The check below allows us to set EndRangeLoc before 127696888cc2515e55c9b5dd6798063bf4be2c22983aArgyrios Kyrtzidis // setting the parameters. 1277cb5f8f59322c352f51714c3de5d8047e70895165Argyrios Kyrtzidis if (EndRangeLoc.isInvalid() || EndRangeLoc == getLocation()) 127855d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis EndRangeLoc = NewParamInfo[NumParams-1]->getLocEnd(); 12795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 12815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12828123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner/// getMinRequiredArguments - Returns the minimum number of arguments 12838123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner/// needed to call this function. This may be fewer than the number of 12848123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner/// function parameters, if some of the parameters have default 12859e979557eea3875c9e3d100c68188233dd7f46c0Chris Lattner/// arguments (in C++). 12868123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattnerunsigned FunctionDecl::getMinRequiredArguments() const { 12878123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner unsigned NumRequiredArgs = getNumParams(); 12888123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner while (NumRequiredArgs > 0 1289ae0b4e7be78cf0dc2a6a333e865c2be9265774f9Anders Carlsson && getParamDecl(NumRequiredArgs-1)->hasDefaultArg()) 12908123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner --NumRequiredArgs; 12918123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner 12928123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner return NumRequiredArgs; 12938123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner} 12948123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner 12957ced9c8529b734e313f62a3b81189d6f402f6713Douglas Gregorbool FunctionDecl::isInlined() const { 129648eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson // FIXME: This is not enough. Consider: 129748eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson // 129848eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson // inline void f(); 129948eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson // void f() { } 130048eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson // 130148eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson // f is inlined, but does not have inline specified. 130248eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson // To fix this we should add an 'inline' flag to FunctionDecl. 130348eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson if (isInlineSpecified()) 13047d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor return true; 130548eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson 130648eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson if (isa<CXXMethodDecl>(this)) { 130748eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson if (!isOutOfLine() || getCanonicalDecl()->isInlineSpecified()) 130848eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson return true; 130948eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson } 13107d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor 13117d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor switch (getTemplateSpecializationKind()) { 13127d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor case TSK_Undeclared: 13137d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor case TSK_ExplicitSpecialization: 13147d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor return false; 13157d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor 13167d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor case TSK_ImplicitInstantiation: 13177d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor case TSK_ExplicitInstantiationDeclaration: 13187d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor case TSK_ExplicitInstantiationDefinition: 13197d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor // Handle below. 13207d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor break; 13217d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor } 13227d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor 13237d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor const FunctionDecl *PatternDecl = getTemplateInstantiationPattern(); 132406a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis bool HasPattern = false; 13257d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor if (PatternDecl) 132606a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis HasPattern = PatternDecl->hasBody(PatternDecl); 13277d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor 132806a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis if (HasPattern && PatternDecl) 13297d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor return PatternDecl->isInlined(); 13307d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor 13317d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor return false; 13327ced9c8529b734e313f62a3b81189d6f402f6713Douglas Gregor} 13337ced9c8529b734e313f62a3b81189d6f402f6713Douglas Gregor 13347d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor/// \brief For an inline function definition in C or C++, determine whether the 13351fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// definition will be externally visible. 13361fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// 13371fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// Inline function definitions are always available for inlining optimizations. 13381fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// However, depending on the language dialect, declaration specifiers, and 13391fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// attributes, the definition of an inline function may or may not be 13401fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// "externally" visible to other translation units in the program. 13411fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// 13421fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// In C99, inline definitions are not externally visible by default. However, 13431e5fd7f8e90e0953e5c59cbbbc130633d84a1e37Mike Stump/// if even one of the global-scope declarations is marked "extern inline", the 13441fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// inline definition becomes externally visible (C99 6.7.4p6). 13451fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// 13461fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// In GNU89 mode, or if the gnu_inline attribute is attached to the function 13471fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// definition, we use the GNU semantics for inline, which are nearly the 13481fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// opposite of C99 semantics. In particular, "inline" by itself will create 13491fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// an externally visible symbol, but "extern inline" will not create an 13501fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// externally visible symbol. 13511fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregorbool FunctionDecl::isInlineDefinitionExternallyVisible() const { 13521fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor assert(isThisDeclarationADefinition() && "Must have the function definition"); 13537ced9c8529b734e313f62a3b81189d6f402f6713Douglas Gregor assert(isInlined() && "Function must be inline"); 13547d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor ASTContext &Context = getASTContext(); 13551fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor 13567d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor if (!Context.getLangOptions().C99 || hasAttr<GNUInlineAttr>()) { 13571fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // GNU inline semantics. Based on a number of examples, we came up with the 13581fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // following heuristic: if the "inline" keyword is present on a 13591fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // declaration of the function but "extern" is not present on that 13601fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // declaration, then the symbol is externally visible. Otherwise, the GNU 13611fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // "extern inline" semantics applies and the symbol is not externally 13621fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // visible. 13631fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor for (redecl_iterator Redecl = redecls_begin(), RedeclEnd = redecls_end(); 13641fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor Redecl != RedeclEnd; 13651fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor ++Redecl) { 1366d931b086984257de68868a64a235c2b4b34003fbJohn McCall if (Redecl->isInlineSpecified() && Redecl->getStorageClass() != SC_Extern) 13671fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor return true; 13681fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor } 13691fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor 13701fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // GNU "extern inline" semantics; no externally visible symbol. 13719f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor return false; 13721fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor } 13731fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor 13741fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // C99 6.7.4p6: 13751fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // [...] If all of the file scope declarations for a function in a 13761fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // translation unit include the inline function specifier without extern, 13771fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // then the definition in that translation unit is an inline definition. 13781fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor for (redecl_iterator Redecl = redecls_begin(), RedeclEnd = redecls_end(); 13791fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor Redecl != RedeclEnd; 13801fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor ++Redecl) { 13811fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // Only consider file-scope declarations in this test. 13821fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor if (!Redecl->getLexicalDeclContext()->isTranslationUnit()) 13831fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor continue; 13841fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor 1385d931b086984257de68868a64a235c2b4b34003fbJohn McCall if (!Redecl->isInlineSpecified() || Redecl->getStorageClass() == SC_Extern) 13861fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor return true; // Not an inline definition 13871fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor } 13881fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor 13891fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // C99 6.7.4p6: 13901fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // An inline definition does not provide an external definition for the 13911fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // function, and does not forbid an external definition in another 13921fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // translation unit. 13939f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor return false; 13949f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor} 13959f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor 13961cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// getOverloadedOperator - Which C++ overloaded operator this 13971cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// function represents, if any. 13981cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas GregorOverloadedOperatorKind FunctionDecl::getOverloadedOperator() const { 1399e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor if (getDeclName().getNameKind() == DeclarationName::CXXOperatorName) 1400e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor return getDeclName().getCXXOverloadedOperator(); 14011cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor else 14021cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor return OO_None; 14031cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor} 14041cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 1405a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt/// getLiteralIdentifier - The literal suffix identifier this function 1406a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt/// represents, if any. 1407a6c058dd75c5563cced821fc16766a7cc179e00cSean Huntconst IdentifierInfo *FunctionDecl::getLiteralIdentifier() const { 1408a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt if (getDeclName().getNameKind() == DeclarationName::CXXLiteralOperatorName) 1409a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt return getDeclName().getCXXLiteralIdentifier(); 1410a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt else 1411a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt return 0; 1412a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt} 1413a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt 1414d0913557c800c8a712fb554032a833619f23bc56Argyrios KyrtzidisFunctionDecl::TemplatedKind FunctionDecl::getTemplatedKind() const { 1415d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis if (TemplateOrSpecialization.isNull()) 1416d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis return TK_NonTemplate; 1417d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis if (TemplateOrSpecialization.is<FunctionTemplateDecl *>()) 1418d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis return TK_FunctionTemplate; 1419d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis if (TemplateOrSpecialization.is<MemberSpecializationInfo *>()) 1420d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis return TK_MemberSpecialization; 1421d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis if (TemplateOrSpecialization.is<FunctionTemplateSpecializationInfo *>()) 1422d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis return TK_FunctionTemplateSpecialization; 1423d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis if (TemplateOrSpecialization.is 1424d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis <DependentFunctionTemplateSpecializationInfo*>()) 1425d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis return TK_DependentFunctionTemplateSpecialization; 1426d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis 1427d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis assert(false && "Did we miss a TemplateOrSpecialization type?"); 1428d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis return TK_NonTemplate; 1429d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis} 1430d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis 14312db323294ac02296125e1e0beb4c3595992e75bbDouglas GregorFunctionDecl *FunctionDecl::getInstantiatedFromMemberFunction() const { 1432b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor if (MemberSpecializationInfo *Info = getMemberSpecializationInfo()) 14332db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor return cast<FunctionDecl>(Info->getInstantiatedFrom()); 14342db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor 14352db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor return 0; 14362db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor} 14372db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor 1438b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas GregorMemberSpecializationInfo *FunctionDecl::getMemberSpecializationInfo() const { 1439b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor return TemplateOrSpecialization.dyn_cast<MemberSpecializationInfo*>(); 1440b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor} 1441b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor 14422db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregorvoid 14436b5415196327fa8ef00f028ba175fafef1738ae1Argyrios KyrtzidisFunctionDecl::setInstantiationOfMemberFunction(ASTContext &C, 14446b5415196327fa8ef00f028ba175fafef1738ae1Argyrios Kyrtzidis FunctionDecl *FD, 14452db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor TemplateSpecializationKind TSK) { 14462db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor assert(TemplateOrSpecialization.isNull() && 14472db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor "Member function is already a specialization"); 14482db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor MemberSpecializationInfo *Info 14496b5415196327fa8ef00f028ba175fafef1738ae1Argyrios Kyrtzidis = new (C) MemberSpecializationInfo(FD, TSK); 14502db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor TemplateOrSpecialization = Info; 14512db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor} 14522db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor 14533b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregorbool FunctionDecl::isImplicitlyInstantiable() const { 14546cfacfe54c75baa4d67f1fbdf4f80644b662818eDouglas Gregor // If the function is invalid, it can't be implicitly instantiated. 14556cfacfe54c75baa4d67f1fbdf4f80644b662818eDouglas Gregor if (isInvalidDecl()) 14563b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return false; 14573b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 14583b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor switch (getTemplateSpecializationKind()) { 14593b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor case TSK_Undeclared: 14603b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor case TSK_ExplicitSpecialization: 14613b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor case TSK_ExplicitInstantiationDefinition: 14623b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return false; 14633b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 14643b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor case TSK_ImplicitInstantiation: 14653b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return true; 14663b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 14673b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor case TSK_ExplicitInstantiationDeclaration: 14683b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // Handled below. 14693b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor break; 14703b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor } 14713b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 14723b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // Find the actual template from which we will instantiate. 14733b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor const FunctionDecl *PatternDecl = getTemplateInstantiationPattern(); 147406a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis bool HasPattern = false; 14753b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor if (PatternDecl) 147606a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis HasPattern = PatternDecl->hasBody(PatternDecl); 14773b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 14783b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // C++0x [temp.explicit]p9: 14793b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // Except for inline functions, other explicit instantiation declarations 14803b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // have the effect of suppressing the implicit instantiation of the entity 14813b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // to which they refer. 148206a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis if (!HasPattern || !PatternDecl) 14833b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return true; 14843b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 14857ced9c8529b734e313f62a3b81189d6f402f6713Douglas Gregor return PatternDecl->isInlined(); 14863b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor} 14873b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 14883b846b6c252972a6f142aa226c1e65aebd0feecaDouglas GregorFunctionDecl *FunctionDecl::getTemplateInstantiationPattern() const { 14893b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor if (FunctionTemplateDecl *Primary = getPrimaryTemplate()) { 14903b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor while (Primary->getInstantiatedFromMemberTemplate()) { 14913b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // If we have hit a point where the user provided a specialization of 14923b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // this template, we're done looking. 14933b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor if (Primary->isMemberSpecialization()) 14943b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor break; 14953b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 14963b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor Primary = Primary->getInstantiatedFromMemberTemplate(); 14973b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor } 14983b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 14993b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return Primary->getTemplatedDecl(); 15003b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor } 15013b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 15023b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return getInstantiatedFromMemberFunction(); 15033b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor} 15043b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 150516e8be2ac532358d4e413fdfa2643b1876edda78Douglas GregorFunctionTemplateDecl *FunctionDecl::getPrimaryTemplate() const { 15061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionTemplateSpecializationInfo *Info 150716e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor = TemplateOrSpecialization 150816e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor .dyn_cast<FunctionTemplateSpecializationInfo*>()) { 15091fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor return Info->Template.getPointer(); 151016e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor } 151116e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor return 0; 151216e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor} 151316e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor 151416e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregorconst TemplateArgumentList * 151516e8be2ac532358d4e413fdfa2643b1876edda78Douglas GregorFunctionDecl::getTemplateSpecializationArgs() const { 15161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionTemplateSpecializationInfo *Info 1517fd056bc86a8b22a9421b5d921bbca276d0f9d0f7Douglas Gregor = TemplateOrSpecialization 1518fd056bc86a8b22a9421b5d921bbca276d0f9d0f7Douglas Gregor .dyn_cast<FunctionTemplateSpecializationInfo*>()) { 151916e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor return Info->TemplateArguments; 152016e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor } 152116e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor return 0; 152216e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor} 152316e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor 1524e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnaraconst TemplateArgumentListInfo * 1525e03db98d67111ebf7622d9086951aacc24406b66Abramo BagnaraFunctionDecl::getTemplateSpecializationArgsAsWritten() const { 1526e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara if (FunctionTemplateSpecializationInfo *Info 1527e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara = TemplateOrSpecialization 1528e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara .dyn_cast<FunctionTemplateSpecializationInfo*>()) { 1529e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara return Info->TemplateArgumentsAsWritten; 1530e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara } 1531e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara return 0; 1532e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara} 1533e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara 15341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 15356b5415196327fa8ef00f028ba175fafef1738ae1Argyrios KyrtzidisFunctionDecl::setFunctionTemplateSpecialization(ASTContext &C, 15366b5415196327fa8ef00f028ba175fafef1738ae1Argyrios Kyrtzidis FunctionTemplateDecl *Template, 1537127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor const TemplateArgumentList *TemplateArgs, 1538b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor void *InsertPos, 1539e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara TemplateSpecializationKind TSK, 15407b081c8604efd33bc7f7e5c1e9427a031eedb2b4Argyrios Kyrtzidis const TemplateArgumentListInfo *TemplateArgsAsWritten, 15417b081c8604efd33bc7f7e5c1e9427a031eedb2b4Argyrios Kyrtzidis SourceLocation PointOfInstantiation) { 1542b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor assert(TSK != TSK_Undeclared && 1543b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor "Must specify the type of function template specialization"); 15441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FunctionTemplateSpecializationInfo *Info 154516e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor = TemplateOrSpecialization.dyn_cast<FunctionTemplateSpecializationInfo*>(); 15461637be727f2a0434c1ed7aa385ea1c18328b0ccdDouglas Gregor if (!Info) 1547a626a3d0fb74455651f742c0938902a42e6e71c8Argyrios Kyrtzidis Info = FunctionTemplateSpecializationInfo::Create(C, this, Template, TSK, 1548a626a3d0fb74455651f742c0938902a42e6e71c8Argyrios Kyrtzidis TemplateArgs, 1549a626a3d0fb74455651f742c0938902a42e6e71c8Argyrios Kyrtzidis TemplateArgsAsWritten, 1550a626a3d0fb74455651f742c0938902a42e6e71c8Argyrios Kyrtzidis PointOfInstantiation); 15511637be727f2a0434c1ed7aa385ea1c18328b0ccdDouglas Gregor TemplateOrSpecialization = Info; 15521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1553127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor // Insert this function template specialization into the set of known 1554b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor // function template specializations. 1555b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor if (InsertPos) 1556b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor Template->getSpecializations().InsertNode(Info, InsertPos); 1557b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor else { 15582c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis // Try to insert the new node. If there is an existing node, leave it, the 15592c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis // set will contain the canonical decls while 15602c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis // FunctionTemplateDecl::findSpecialization will return 15612c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis // the most recent redeclarations. 1562b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor FunctionTemplateSpecializationInfo *Existing 1563b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor = Template->getSpecializations().GetOrInsertNode(Info); 15642c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis (void)Existing; 15652c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis assert((!Existing || Existing->Function->isCanonicalDecl()) && 15662c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis "Set is supposed to only contain canonical decls"); 1567b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor } 15681637be727f2a0434c1ed7aa385ea1c18328b0ccdDouglas Gregor} 15691637be727f2a0434c1ed7aa385ea1c18328b0ccdDouglas Gregor 1570af2094e7cecadf36667deb61a83587ffdd979bd3John McCallvoid 1571af2094e7cecadf36667deb61a83587ffdd979bd3John McCallFunctionDecl::setDependentTemplateSpecialization(ASTContext &Context, 1572af2094e7cecadf36667deb61a83587ffdd979bd3John McCall const UnresolvedSetImpl &Templates, 1573af2094e7cecadf36667deb61a83587ffdd979bd3John McCall const TemplateArgumentListInfo &TemplateArgs) { 1574af2094e7cecadf36667deb61a83587ffdd979bd3John McCall assert(TemplateOrSpecialization.isNull()); 1575af2094e7cecadf36667deb61a83587ffdd979bd3John McCall size_t Size = sizeof(DependentFunctionTemplateSpecializationInfo); 1576af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Size += Templates.size() * sizeof(FunctionTemplateDecl*); 157721c0160959961b3a6ab3308608ee3fde182ecb49John McCall Size += TemplateArgs.size() * sizeof(TemplateArgumentLoc); 1578af2094e7cecadf36667deb61a83587ffdd979bd3John McCall void *Buffer = Context.Allocate(Size); 1579af2094e7cecadf36667deb61a83587ffdd979bd3John McCall DependentFunctionTemplateSpecializationInfo *Info = 1580af2094e7cecadf36667deb61a83587ffdd979bd3John McCall new (Buffer) DependentFunctionTemplateSpecializationInfo(Templates, 1581af2094e7cecadf36667deb61a83587ffdd979bd3John McCall TemplateArgs); 1582af2094e7cecadf36667deb61a83587ffdd979bd3John McCall TemplateOrSpecialization = Info; 1583af2094e7cecadf36667deb61a83587ffdd979bd3John McCall} 1584af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1585af2094e7cecadf36667deb61a83587ffdd979bd3John McCallDependentFunctionTemplateSpecializationInfo:: 1586af2094e7cecadf36667deb61a83587ffdd979bd3John McCallDependentFunctionTemplateSpecializationInfo(const UnresolvedSetImpl &Ts, 1587af2094e7cecadf36667deb61a83587ffdd979bd3John McCall const TemplateArgumentListInfo &TArgs) 1588af2094e7cecadf36667deb61a83587ffdd979bd3John McCall : AngleLocs(TArgs.getLAngleLoc(), TArgs.getRAngleLoc()) { 1589af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1590af2094e7cecadf36667deb61a83587ffdd979bd3John McCall d.NumTemplates = Ts.size(); 1591af2094e7cecadf36667deb61a83587ffdd979bd3John McCall d.NumArgs = TArgs.size(); 1592af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1593af2094e7cecadf36667deb61a83587ffdd979bd3John McCall FunctionTemplateDecl **TsArray = 1594af2094e7cecadf36667deb61a83587ffdd979bd3John McCall const_cast<FunctionTemplateDecl**>(getTemplates()); 1595af2094e7cecadf36667deb61a83587ffdd979bd3John McCall for (unsigned I = 0, E = Ts.size(); I != E; ++I) 1596af2094e7cecadf36667deb61a83587ffdd979bd3John McCall TsArray[I] = cast<FunctionTemplateDecl>(Ts[I]->getUnderlyingDecl()); 1597af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1598af2094e7cecadf36667deb61a83587ffdd979bd3John McCall TemplateArgumentLoc *ArgsArray = 1599af2094e7cecadf36667deb61a83587ffdd979bd3John McCall const_cast<TemplateArgumentLoc*>(getTemplateArgs()); 1600af2094e7cecadf36667deb61a83587ffdd979bd3John McCall for (unsigned I = 0, E = TArgs.size(); I != E; ++I) 1601af2094e7cecadf36667deb61a83587ffdd979bd3John McCall new (&ArgsArray[I]) TemplateArgumentLoc(TArgs[I]); 1602af2094e7cecadf36667deb61a83587ffdd979bd3John McCall} 1603af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1604d0e3daf2b980b505e535d35b432c938c6d0208efDouglas GregorTemplateSpecializationKind FunctionDecl::getTemplateSpecializationKind() const { 16051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // For a function template specialization, query the specialization 1606d0e3daf2b980b505e535d35b432c938c6d0208efDouglas Gregor // information object. 16072db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor FunctionTemplateSpecializationInfo *FTSInfo 16081fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor = TemplateOrSpecialization.dyn_cast<FunctionTemplateSpecializationInfo*>(); 16092db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor if (FTSInfo) 16102db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor return FTSInfo->getTemplateSpecializationKind(); 1611d0e3daf2b980b505e535d35b432c938c6d0208efDouglas Gregor 16122db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor MemberSpecializationInfo *MSInfo 16132db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor = TemplateOrSpecialization.dyn_cast<MemberSpecializationInfo*>(); 16142db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor if (MSInfo) 16152db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor return MSInfo->getTemplateSpecializationKind(); 16162db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor 16172db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor return TSK_Undeclared; 16181fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor} 16191fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor 16201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 16210a897e32a09d290aa5b375444fe33928e47168bbDouglas GregorFunctionDecl::setTemplateSpecializationKind(TemplateSpecializationKind TSK, 16220a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor SourceLocation PointOfInstantiation) { 16232db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor if (FunctionTemplateSpecializationInfo *FTSInfo 16242db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor = TemplateOrSpecialization.dyn_cast< 16250a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor FunctionTemplateSpecializationInfo*>()) { 16262db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor FTSInfo->setTemplateSpecializationKind(TSK); 16270a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor if (TSK != TSK_ExplicitSpecialization && 16280a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor PointOfInstantiation.isValid() && 16290a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor FTSInfo->getPointOfInstantiation().isInvalid()) 16300a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor FTSInfo->setPointOfInstantiation(PointOfInstantiation); 16310a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor } else if (MemberSpecializationInfo *MSInfo 16320a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor = TemplateOrSpecialization.dyn_cast<MemberSpecializationInfo*>()) { 16332db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor MSInfo->setTemplateSpecializationKind(TSK); 16340a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor if (TSK != TSK_ExplicitSpecialization && 16350a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor PointOfInstantiation.isValid() && 16360a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor MSInfo->getPointOfInstantiation().isInvalid()) 16370a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor MSInfo->setPointOfInstantiation(PointOfInstantiation); 16380a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor } else 16392db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor assert(false && "Function cannot have a template specialization kind"); 16401fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor} 16411fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor 16420a897e32a09d290aa5b375444fe33928e47168bbDouglas GregorSourceLocation FunctionDecl::getPointOfInstantiation() const { 16430a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor if (FunctionTemplateSpecializationInfo *FTSInfo 16440a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor = TemplateOrSpecialization.dyn_cast< 16450a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor FunctionTemplateSpecializationInfo*>()) 16460a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor return FTSInfo->getPointOfInstantiation(); 16470a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor else if (MemberSpecializationInfo *MSInfo 16480a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor = TemplateOrSpecialization.dyn_cast<MemberSpecializationInfo*>()) 16490a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor return MSInfo->getPointOfInstantiation(); 16500a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor 16510a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor return SourceLocation(); 16520a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor} 16530a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor 16549f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregorbool FunctionDecl::isOutOfLine() const { 16559f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor if (Decl::isOutOfLine()) 16569f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor return true; 16579f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor 16589f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor // If this function was instantiated from a member function of a 16599f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor // class template, check whether that member function was defined out-of-line. 16609f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor if (FunctionDecl *FD = getInstantiatedFromMemberFunction()) { 16619f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor const FunctionDecl *Definition; 166206a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis if (FD->hasBody(Definition)) 16639f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor return Definition->isOutOfLine(); 16649f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor } 16659f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor 16669f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor // If this function was instantiated from a function template, 16679f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor // check whether that function template was defined out-of-line. 16689f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor if (FunctionTemplateDecl *FunTmpl = getPrimaryTemplate()) { 16699f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor const FunctionDecl *Definition; 167006a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis if (FunTmpl->getTemplatedDecl()->hasBody(Definition)) 16719f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor return Definition->isOutOfLine(); 16729f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor } 16739f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor 16749f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor return false; 16759f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor} 16769f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor 16778a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner//===----------------------------------------------------------------------===// 16787783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl// FieldDecl Implementation 16797783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 16807783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 16817783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlFieldDecl *FieldDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L, 16827783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl IdentifierInfo *Id, QualType T, 16837783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl TypeSourceInfo *TInfo, Expr *BW, bool Mutable) { 16847783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) FieldDecl(Decl::Field, DC, L, Id, T, TInfo, BW, Mutable); 16857783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 16867783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 16877783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlbool FieldDecl::isAnonymousStructOrUnion() const { 16887783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (!isImplicit() || getDeclName()) 16897783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return false; 16907783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 16917783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (const RecordType *Record = getType()->getAs<RecordType>()) 16927783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return Record->getDecl()->isAnonymousStructOrUnion(); 16937783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 16947783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return false; 16957783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 16967783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 16977783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 1698bcbffc46f1ad3796c4582fa1e3a9113b5aa26061Douglas Gregor// TagDecl Implementation 16994b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek//===----------------------------------------------------------------------===// 17004b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek 17011693e154bef16ca060b5e3786d8528ddc11f5637Douglas GregorSourceLocation TagDecl::getOuterLocStart() const { 17021693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor return getTemplateOrInnerLocStart(this); 17031693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor} 17041693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor 1705f602c8b6ce1a269c0bf8b3f049e923f4ea5c18e2Argyrios KyrtzidisSourceRange TagDecl::getSourceRange() const { 1706f602c8b6ce1a269c0bf8b3f049e923f4ea5c18e2Argyrios Kyrtzidis SourceLocation E = RBraceLoc.isValid() ? RBraceLoc : getLocation(); 17071693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor return SourceRange(getOuterLocStart(), E); 1708f602c8b6ce1a269c0bf8b3f049e923f4ea5c18e2Argyrios Kyrtzidis} 1709f602c8b6ce1a269c0bf8b3f049e923f4ea5c18e2Argyrios Kyrtzidis 1710b57a4fe73b8227c0dba651818b8495dfca61e530Argyrios KyrtzidisTagDecl* TagDecl::getCanonicalDecl() { 17118e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor return getFirstDeclaration(); 1712b57a4fe73b8227c0dba651818b8495dfca61e530Argyrios Kyrtzidis} 1713b57a4fe73b8227c0dba651818b8495dfca61e530Argyrios Kyrtzidis 171460e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregorvoid TagDecl::setTypedefForAnonDecl(TypedefDecl *TDD) { 171560e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor TypedefDeclOrQualifier = TDD; 171660e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor if (TypeForDecl) 171760e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor TypeForDecl->ClearLinkageCache(); 171860e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor} 171960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 17200b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregorvoid TagDecl::startDefinition() { 1721ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl IsBeingDefined = true; 172286ff308724171494395a840fd2efbe25e62f352eJohn McCall 172386ff308724171494395a840fd2efbe25e62f352eJohn McCall if (isa<CXXRecordDecl>(this)) { 172486ff308724171494395a840fd2efbe25e62f352eJohn McCall CXXRecordDecl *D = cast<CXXRecordDecl>(this); 172586ff308724171494395a840fd2efbe25e62f352eJohn McCall struct CXXRecordDecl::DefinitionData *Data = 172686ff308724171494395a840fd2efbe25e62f352eJohn McCall new (getASTContext()) struct CXXRecordDecl::DefinitionData(D); 17272243288c4826905b5a0837f6f21d9d821688652eJohn McCall for (redecl_iterator I = redecls_begin(), E = redecls_end(); I != E; ++I) 17282243288c4826905b5a0837f6f21d9d821688652eJohn McCall cast<CXXRecordDecl>(*I)->DefinitionData = Data; 172986ff308724171494395a840fd2efbe25e62f352eJohn McCall } 17300b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor} 17310b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor 17320b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregorvoid TagDecl::completeDefinition() { 17335cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall assert((!isa<CXXRecordDecl>(this) || 17345cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall cast<CXXRecordDecl>(this)->hasDefinition()) && 17355cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall "definition completed but not started"); 17365cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall 17370b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor IsDefinition = true; 1738ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl IsBeingDefined = false; 1739565bf30bf5607b9740d288d8d9c45cf38ea75298Argyrios Kyrtzidis 1740565bf30bf5607b9740d288d8d9c45cf38ea75298Argyrios Kyrtzidis if (ASTMutationListener *L = getASTMutationListener()) 1741565bf30bf5607b9740d288d8d9c45cf38ea75298Argyrios Kyrtzidis L->CompletedTagDefinition(this); 17420b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor} 17430b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor 1744952b017601f9c82b51119c3a1600f1312a833db9Douglas GregorTagDecl* TagDecl::getDefinition() const { 17458e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor if (isDefinition()) 17468e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor return const_cast<TagDecl *>(this); 1747220a9c82dc76a83a7f930879bf176783866c0514Andrew Trick if (const CXXRecordDecl *CXXRD = dyn_cast<CXXRecordDecl>(this)) 1748220a9c82dc76a83a7f930879bf176783866c0514Andrew Trick return CXXRD->getDefinition(); 17491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (redecl_iterator R = redecls_begin(), REnd = redecls_end(); 17518e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor R != REnd; ++R) 17528e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor if (R->isDefinition()) 17538e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor return *R; 17541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17558e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor return 0; 17564b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek} 17574b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek 1758b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCallvoid TagDecl::setQualifierInfo(NestedNameSpecifier *Qualifier, 1759b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall SourceRange QualifierRange) { 1760b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (Qualifier) { 1761b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Make sure the extended qualifier info is allocated. 1762b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (!hasExtInfo()) 1763b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall TypedefDeclOrQualifier = new (getASTContext()) ExtInfo; 1764b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Set qualifier info. 1765b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall getExtInfo()->NNS = Qualifier; 1766b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall getExtInfo()->NNSRange = QualifierRange; 1767b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall } 1768b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall else { 1769b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Here Qualifier == 0, i.e., we are removing the qualifier (if any). 1770b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall assert(QualifierRange.isInvalid()); 1771b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (hasExtInfo()) { 1772b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall getASTContext().Deallocate(getExtInfo()); 1773b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall TypedefDeclOrQualifier = (TypedefDecl*) 0; 1774b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall } 1775b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall } 1776b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall} 1777b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 17784b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek//===----------------------------------------------------------------------===// 17797783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl// EnumDecl Implementation 17807783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 17817783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 17827783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlEnumDecl *EnumDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L, 17837783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl IdentifierInfo *Id, SourceLocation TKL, 17841274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor EnumDecl *PrevDecl, bool IsScoped, bool IsFixed) { 17851274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor EnumDecl *Enum = new (C) EnumDecl(DC, L, Id, PrevDecl, TKL, 17861274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor IsScoped, IsFixed); 17877783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl C.getTypeDeclType(Enum, PrevDecl); 17887783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return Enum; 17897783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 17907783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 1791b8b03e6df1cc89e701a809c6a47c41f31b7a9e50Argyrios KyrtzidisEnumDecl *EnumDecl::Create(ASTContext &C, EmptyShell Empty) { 17921274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor return new (C) EnumDecl(0, SourceLocation(), 0, 0, SourceLocation(), 17931274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor false, false); 1794b8b03e6df1cc89e701a809c6a47c41f31b7a9e50Argyrios Kyrtzidis} 1795b8b03e6df1cc89e701a809c6a47c41f31b7a9e50Argyrios Kyrtzidis 1796838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregorvoid EnumDecl::completeDefinition(QualType NewType, 17971b5a618c59025898806160ed5e7f0ff5bb79e482John McCall QualType NewPromotionType, 17981b5a618c59025898806160ed5e7f0ff5bb79e482John McCall unsigned NumPositiveBits, 17991b5a618c59025898806160ed5e7f0ff5bb79e482John McCall unsigned NumNegativeBits) { 18007783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl assert(!isDefinition() && "Cannot redefine enums!"); 18011274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor if (!IntegerType) 18021274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor IntegerType = NewType.getTypePtr(); 18037783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl PromotionType = NewPromotionType; 18041b5a618c59025898806160ed5e7f0ff5bb79e482John McCall setNumPositiveBits(NumPositiveBits); 18051b5a618c59025898806160ed5e7f0ff5bb79e482John McCall setNumNegativeBits(NumNegativeBits); 18067783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl TagDecl::completeDefinition(); 18077783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 18087783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 18097783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 18108a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner// RecordDecl Implementation 18118a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner//===----------------------------------------------------------------------===// 18125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 181335bc0821c4f80041724cd4c5c4889b2581546a41Argyrios KyrtzidisRecordDecl::RecordDecl(Kind DK, TagKind TK, DeclContext *DC, SourceLocation L, 18148e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor IdentifierInfo *Id, RecordDecl *PrevDecl, 18158e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor SourceLocation TKL) 18168e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor : TagDecl(DK, TK, DC, L, Id, PrevDecl, TKL) { 18176359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek HasFlexibleArrayMember = false; 1818bcbffc46f1ad3796c4582fa1e3a9113b5aa26061Douglas Gregor AnonymousStructOrUnion = false; 1819082b02e8403d3ee9d2ded969fbe0e5d472f04cd8Fariborz Jahanian HasObjectMember = false; 1820eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis LoadedFieldsFromExternalStorage = false; 18216359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek assert(classof(static_cast<Decl*>(this)) && "Invalid Kind!"); 18226359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek} 18236359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek 18246359792ca92e7ca2f416cb804c6604358174e994Ted KremenekRecordDecl *RecordDecl::Create(ASTContext &C, TagKind TK, DeclContext *DC, 18254b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek SourceLocation L, IdentifierInfo *Id, 1826741dd9a7e1d63e4e385b657e4ce11c5d96d44f72Douglas Gregor SourceLocation TKL, RecordDecl* PrevDecl) { 18271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18288e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor RecordDecl* R = new (C) RecordDecl(Record, TK, DC, L, Id, PrevDecl, TKL); 18294b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek C.getTypeDeclType(R, PrevDecl); 18304b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek return R; 18316359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek} 18326359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek 1833b8b03e6df1cc89e701a809c6a47c41f31b7a9e50Argyrios KyrtzidisRecordDecl *RecordDecl::Create(ASTContext &C, EmptyShell Empty) { 1834b8b03e6df1cc89e701a809c6a47c41f31b7a9e50Argyrios Kyrtzidis return new (C) RecordDecl(Record, TTK_Struct, 0, SourceLocation(), 0, 0, 1835b8b03e6df1cc89e701a809c6a47c41f31b7a9e50Argyrios Kyrtzidis SourceLocation()); 1836b8b03e6df1cc89e701a809c6a47c41f31b7a9e50Argyrios Kyrtzidis} 1837b8b03e6df1cc89e701a809c6a47c41f31b7a9e50Argyrios Kyrtzidis 1838c9b5b4074bd73d4af76e69cccf8ecd365fdd1008Douglas Gregorbool RecordDecl::isInjectedClassName() const { 18391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return isImplicit() && getDeclName() && getDeclContext()->isRecord() && 1840c9b5b4074bd73d4af76e69cccf8ecd365fdd1008Douglas Gregor cast<RecordDecl>(getDeclContext())->getDeclName() == getDeclName(); 1841c9b5b4074bd73d4af76e69cccf8ecd365fdd1008Douglas Gregor} 1842c9b5b4074bd73d4af76e69cccf8ecd365fdd1008Douglas Gregor 1843eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios KyrtzidisRecordDecl::field_iterator RecordDecl::field_begin() const { 1844eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis if (hasExternalLexicalStorage() && !LoadedFieldsFromExternalStorage) 1845eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis LoadFieldsFromExternalStorage(); 1846eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 1847eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis return field_iterator(decl_iterator(FirstDecl)); 1848eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis} 1849eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 185044b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor/// completeDefinition - Notes that the definition of this type is now 185144b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor/// complete. 1852838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregorvoid RecordDecl::completeDefinition() { 18535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(!isDefinition() && "Cannot redefine record!"); 18540b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor TagDecl::completeDefinition(); 18555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 18565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1857bc365c53606ab90537576cb48d93a54ce3fb0cb5John McCallValueDecl *RecordDecl::getAnonymousStructOrUnionObject() { 1858bc365c53606ab90537576cb48d93a54ce3fb0cb5John McCall // Force the decl chain to come into existence properly. 1859bc365c53606ab90537576cb48d93a54ce3fb0cb5John McCall if (!getNextDeclInContext()) getParent()->decls_begin(); 1860bc365c53606ab90537576cb48d93a54ce3fb0cb5John McCall 1861bc365c53606ab90537576cb48d93a54ce3fb0cb5John McCall assert(isAnonymousStructOrUnion()); 1862bc365c53606ab90537576cb48d93a54ce3fb0cb5John McCall ValueDecl *D = cast<ValueDecl>(getNextDeclInContext()); 1863bc365c53606ab90537576cb48d93a54ce3fb0cb5John McCall assert(D->getType()->isRecordType()); 1864bc365c53606ab90537576cb48d93a54ce3fb0cb5John McCall assert(D->getType()->getAs<RecordType>()->getDecl() == this); 1865bc365c53606ab90537576cb48d93a54ce3fb0cb5John McCall return D; 1866bc365c53606ab90537576cb48d93a54ce3fb0cb5John McCall} 1867bc365c53606ab90537576cb48d93a54ce3fb0cb5John McCall 1868eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidisvoid RecordDecl::LoadFieldsFromExternalStorage() const { 1869eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis ExternalASTSource *Source = getASTContext().getExternalSource(); 1870eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis assert(hasExternalLexicalStorage() && Source && "No external storage?"); 1871eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 1872eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis // Notify that we have a RecordDecl doing some initialization. 1873eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis ExternalASTSource::Deserializing TheFields(Source); 1874eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 1875eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis llvm::SmallVector<Decl*, 64> Decls; 1876eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis if (Source->FindExternalLexicalDeclsBy<FieldDecl>(this, Decls)) 1877eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis return; 1878eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 1879eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis#ifndef NDEBUG 1880eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis // Check that all decls we got were FieldDecls. 1881eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis for (unsigned i=0, e=Decls.size(); i != e; ++i) 1882eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis assert(isa<FieldDecl>(Decls[i])); 1883eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis#endif 1884eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 1885eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis LoadedFieldsFromExternalStorage = true; 1886eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 1887eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis if (Decls.empty()) 1888eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis return; 1889eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 1890eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis llvm::tie(FirstDecl, LastDecl) = BuildDeclChain(Decls); 1891eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis} 1892eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 189356ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff//===----------------------------------------------------------------------===// 189456ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff// BlockDecl Implementation 189556ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff//===----------------------------------------------------------------------===// 189656ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff 1897838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregorvoid BlockDecl::setParams(ParmVarDecl **NewParamInfo, 1898e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff unsigned NParms) { 1899e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff assert(ParamInfo == 0 && "Already has param info!"); 19001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1901e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff // Zero params -> null pointer. 1902e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff if (NParms) { 1903e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff NumParams = NParms; 1904838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor void *Mem = getASTContext().Allocate(sizeof(ParmVarDecl*)*NumParams); 1905e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff ParamInfo = new (Mem) ParmVarDecl*[NumParams]; 1906e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff memcpy(ParamInfo, NewParamInfo, sizeof(ParmVarDecl*)*NumParams); 1907e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff } 1908e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff} 1909e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff 1910e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroffunsigned BlockDecl::getNumParams() const { 1911e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff return NumParams; 1912e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff} 19137783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 19147783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 19157783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 19167783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl// Other Decl Allocation/Deallocation Method Implementations 19177783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 19187783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 19197783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlTranslationUnitDecl *TranslationUnitDecl::Create(ASTContext &C) { 19207783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) TranslationUnitDecl(C); 19217783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 19227783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 19237783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlNamespaceDecl *NamespaceDecl::Create(ASTContext &C, DeclContext *DC, 19247783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl SourceLocation L, IdentifierInfo *Id) { 19257783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) NamespaceDecl(DC, L, Id); 19267783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 19277783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 192806c919300ce39e50ed7f6dff5025c8ed96dcf221Douglas GregorNamespaceDecl *NamespaceDecl::getNextNamespace() { 192906c919300ce39e50ed7f6dff5025c8ed96dcf221Douglas Gregor return dyn_cast_or_null<NamespaceDecl>( 193006c919300ce39e50ed7f6dff5025c8ed96dcf221Douglas Gregor NextNamespace.get(getASTContext().getExternalSource())); 193106c919300ce39e50ed7f6dff5025c8ed96dcf221Douglas Gregor} 193206c919300ce39e50ed7f6dff5025c8ed96dcf221Douglas Gregor 19337783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlImplicitParamDecl *ImplicitParamDecl::Create(ASTContext &C, DeclContext *DC, 19347783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl SourceLocation L, IdentifierInfo *Id, QualType T) { 19357783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) ImplicitParamDecl(ImplicitParam, DC, L, Id, T); 19367783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 19377783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 19387783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlFunctionDecl *FunctionDecl::Create(ASTContext &C, DeclContext *DC, 19392577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 19402577743c5650c646fb705df01403707e94f2df04Abramo Bagnara QualType T, TypeSourceInfo *TInfo, 194116573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor StorageClass S, StorageClass SCAsWritten, 194216573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor bool isInline, bool hasWrittenPrototype) { 19432577743c5650c646fb705df01403707e94f2df04Abramo Bagnara FunctionDecl *New = new (C) FunctionDecl(Function, DC, NameInfo, T, TInfo, 194416573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor S, SCAsWritten, isInline); 19457783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl New->HasWrittenPrototype = hasWrittenPrototype; 19467783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return New; 19477783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 19487783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 19497783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlBlockDecl *BlockDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L) { 19507783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) BlockDecl(DC, L); 19517783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 19527783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 19537783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlEnumConstantDecl *EnumConstantDecl::Create(ASTContext &C, EnumDecl *CD, 19547783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl SourceLocation L, 19557783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl IdentifierInfo *Id, QualType T, 19567783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl Expr *E, const llvm::APSInt &V) { 19577783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) EnumConstantDecl(CD, L, Id, T, E, V); 19587783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 19597783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 19608e7139c9554230df64325f70fe202c83491ba7f5Douglas GregorSourceRange EnumConstantDecl::getSourceRange() const { 19618e7139c9554230df64325f70fe202c83491ba7f5Douglas Gregor SourceLocation End = getLocation(); 19628e7139c9554230df64325f70fe202c83491ba7f5Douglas Gregor if (Init) 19638e7139c9554230df64325f70fe202c83491ba7f5Douglas Gregor End = Init->getLocEnd(); 19648e7139c9554230df64325f70fe202c83491ba7f5Douglas Gregor return SourceRange(getLocation(), End); 19658e7139c9554230df64325f70fe202c83491ba7f5Douglas Gregor} 19668e7139c9554230df64325f70fe202c83491ba7f5Douglas Gregor 19677783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlTypedefDecl *TypedefDecl::Create(ASTContext &C, DeclContext *DC, 19687783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl SourceLocation L, IdentifierInfo *Id, 19697783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl TypeSourceInfo *TInfo) { 19707783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) TypedefDecl(DC, L, Id, TInfo); 19717783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 19727783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 19737783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlFileScopeAsmDecl *FileScopeAsmDecl::Create(ASTContext &C, DeclContext *DC, 19747783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl SourceLocation L, 19757783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl StringLiteral *Str) { 19767783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) FileScopeAsmDecl(DC, L, Str); 19777783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 1978