Decl.cpp revision d98114647e16796a976b04af79975b4f0eacf22b
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 65af14603ca61757cf4361b583b45639a04c57e651John McCalltypedef NamedDecl::LinkageInfo LinkageInfo; 661fb0caaa7bef765b85972274e3b434af2572c141John McCalltypedef std::pair<Linkage,Visibility> LVPair; 67af14603ca61757cf4361b583b45639a04c57e651John McCall 681fb0caaa7bef765b85972274e3b434af2572c141John McCallstatic LVPair merge(LVPair L, LVPair R) { 691fb0caaa7bef765b85972274e3b434af2572c141John McCall return LVPair(minLinkage(L.first, R.first), 701fb0caaa7bef765b85972274e3b434af2572c141John McCall minVisibility(L.second, R.second)); 711fb0caaa7bef765b85972274e3b434af2572c141John McCall} 721fb0caaa7bef765b85972274e3b434af2572c141John McCall 73af14603ca61757cf4361b583b45639a04c57e651John McCallstatic LVPair merge(LVPair L, LinkageInfo R) { 74af14603ca61757cf4361b583b45639a04c57e651John McCall return LVPair(minLinkage(L.first, R.linkage()), 75af14603ca61757cf4361b583b45639a04c57e651John McCall minVisibility(L.second, R.visibility())); 76af14603ca61757cf4361b583b45639a04c57e651John McCall} 77af14603ca61757cf4361b583b45639a04c57e651John McCall 78752c2e930a3ec30b5e338845fd5e7baae532ee69Benjamin Kramernamespace { 793698748400478880d2a146ef9eaa111cd0e60522John McCall/// Flags controlling the computation of linkage and visibility. 803698748400478880d2a146ef9eaa111cd0e60522John McCallstruct LVFlags { 813698748400478880d2a146ef9eaa111cd0e60522John McCall bool ConsiderGlobalVisibility; 823698748400478880d2a146ef9eaa111cd0e60522John McCall bool ConsiderVisibilityAttributes; 833698748400478880d2a146ef9eaa111cd0e60522John McCall 843698748400478880d2a146ef9eaa111cd0e60522John McCall LVFlags() : ConsiderGlobalVisibility(true), 853698748400478880d2a146ef9eaa111cd0e60522John McCall ConsiderVisibilityAttributes(true) { 863698748400478880d2a146ef9eaa111cd0e60522John McCall } 873698748400478880d2a146ef9eaa111cd0e60522John McCall 883698748400478880d2a146ef9eaa111cd0e60522John McCall /// Returns a set of flags, otherwise based on these, which ignores 893698748400478880d2a146ef9eaa111cd0e60522John McCall /// off all sources of visibility except template arguments. 903698748400478880d2a146ef9eaa111cd0e60522John McCall LVFlags onlyTemplateVisibility() const { 913698748400478880d2a146ef9eaa111cd0e60522John McCall LVFlags F = *this; 923698748400478880d2a146ef9eaa111cd0e60522John McCall F.ConsiderGlobalVisibility = false; 933698748400478880d2a146ef9eaa111cd0e60522John McCall F.ConsiderVisibilityAttributes = false; 943698748400478880d2a146ef9eaa111cd0e60522John McCall return F; 953698748400478880d2a146ef9eaa111cd0e60522John McCall } 963698748400478880d2a146ef9eaa111cd0e60522John McCall}; 97752c2e930a3ec30b5e338845fd5e7baae532ee69Benjamin Kramer} // end anonymous namespace 983698748400478880d2a146ef9eaa111cd0e60522John McCall 990b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor/// \brief Get the most restrictive linkage for the types in the given 1000b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor/// template parameter list. 1011fb0caaa7bef765b85972274e3b434af2572c141John McCallstatic LVPair 1021fb0caaa7bef765b85972274e3b434af2572c141John McCallgetLVForTemplateParameterList(const TemplateParameterList *Params) { 1031fb0caaa7bef765b85972274e3b434af2572c141John McCall LVPair LV(ExternalLinkage, DefaultVisibility); 1040b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor for (TemplateParameterList::const_iterator P = Params->begin(), 1050b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor PEnd = Params->end(); 1060b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor P != PEnd; ++P) { 1070b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (NonTypeTemplateParmDecl *NTTP = dyn_cast<NonTypeTemplateParmDecl>(*P)) 1080b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (!NTTP->getType()->isDependentType()) { 1091fb0caaa7bef765b85972274e3b434af2572c141John McCall LV = merge(LV, NTTP->getType()->getLinkageAndVisibility()); 1100b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor continue; 1110b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 1120b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1130b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (TemplateTemplateParmDecl *TTP 1140b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor = dyn_cast<TemplateTemplateParmDecl>(*P)) { 115af14603ca61757cf4361b583b45639a04c57e651John McCall LV = merge(LV, getLVForTemplateParameterList(TTP->getTemplateParameters())); 1160b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 1170b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 1180b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1191fb0caaa7bef765b85972274e3b434af2572c141John McCall return LV; 1200b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor} 1210b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1220b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor/// \brief Get the most restrictive linkage for the types and 1230b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor/// declarations in the given template argument list. 1241fb0caaa7bef765b85972274e3b434af2572c141John McCallstatic LVPair getLVForTemplateArgumentList(const TemplateArgument *Args, 1251fb0caaa7bef765b85972274e3b434af2572c141John McCall unsigned NumArgs) { 1261fb0caaa7bef765b85972274e3b434af2572c141John McCall LVPair LV(ExternalLinkage, DefaultVisibility); 1270b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1280b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor for (unsigned I = 0; I != NumArgs; ++I) { 1290b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor switch (Args[I].getKind()) { 1300b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Null: 1310b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Integral: 1320b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Expression: 1330b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor break; 1340b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1350b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Type: 1361fb0caaa7bef765b85972274e3b434af2572c141John McCall LV = merge(LV, Args[I].getAsType()->getLinkageAndVisibility()); 1370b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor break; 1380b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1390b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Declaration: 1401fb0caaa7bef765b85972274e3b434af2572c141John McCall // The decl can validly be null as the representation of nullptr 1411fb0caaa7bef765b85972274e3b434af2572c141John McCall // arguments, valid only in C++0x. 1421fb0caaa7bef765b85972274e3b434af2572c141John McCall if (Decl *D = Args[I].getAsDecl()) { 1431fb0caaa7bef765b85972274e3b434af2572c141John McCall if (NamedDecl *ND = dyn_cast<NamedDecl>(D)) 1441fb0caaa7bef765b85972274e3b434af2572c141John McCall LV = merge(LV, ND->getLinkageAndVisibility()); 1451fb0caaa7bef765b85972274e3b434af2572c141John McCall if (ValueDecl *VD = dyn_cast<ValueDecl>(D)) 146af14603ca61757cf4361b583b45639a04c57e651John McCall LV = merge(LV, VD->getLinkageAndVisibility()); 1471fb0caaa7bef765b85972274e3b434af2572c141John McCall } 1480b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor break; 1490b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1500b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Template: 1511fb0caaa7bef765b85972274e3b434af2572c141John McCall if (TemplateDecl *Template = Args[I].getAsTemplate().getAsTemplateDecl()) 1521fb0caaa7bef765b85972274e3b434af2572c141John McCall LV = merge(LV, Template->getLinkageAndVisibility()); 1530b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor break; 1540b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1550b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Pack: 1561fb0caaa7bef765b85972274e3b434af2572c141John McCall LV = merge(LV, getLVForTemplateArgumentList(Args[I].pack_begin(), 1571fb0caaa7bef765b85972274e3b434af2572c141John McCall Args[I].pack_size())); 1580b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor break; 1590b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 1600b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 1610b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1621fb0caaa7bef765b85972274e3b434af2572c141John McCall return LV; 1630b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor} 1640b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 165af14603ca61757cf4361b583b45639a04c57e651John McCallstatic LVPair 166af14603ca61757cf4361b583b45639a04c57e651John McCallgetLVForTemplateArgumentList(const TemplateArgumentList &TArgs) { 167910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor return getLVForTemplateArgumentList(TArgs.data(), TArgs.size()); 1683cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall} 1693cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall 1700df9587ab011c12968fcbe3518666b2117afe350John McCall/// getLVForDecl - Get the cached linkage and visibility for the given 1710df9587ab011c12968fcbe3518666b2117afe350John McCall/// declaration. 1723698748400478880d2a146ef9eaa111cd0e60522John McCallstatic LinkageInfo getLVForDecl(const NamedDecl *D, LVFlags F); 1733698748400478880d2a146ef9eaa111cd0e60522John McCall 1743698748400478880d2a146ef9eaa111cd0e60522John McCallstatic LinkageInfo getLVForNamespaceScopeDecl(const NamedDecl *D, LVFlags F) { 1757a126a474fdde06382b315b4e3d8ef0a21d4dc31Sebastian Redl assert(D->getDeclContext()->getRedeclContext()->isFileContext() && 176d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor "Not a name having namespace scope"); 177d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor ASTContext &Context = D->getASTContext(); 178d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 179d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C++ [basic.link]p3: 180d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // A name having namespace scope (3.3.6) has internal linkage if it 181d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // is the name of 182d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - an object, reference, function or function template that is 183d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // explicitly declared static; or, 184d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // (This bullet corresponds to C99 6.2.2p3.) 185d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const VarDecl *Var = dyn_cast<VarDecl>(D)) { 186d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // Explicitly declared static. 187d931b086984257de68868a64a235c2b4b34003fbJohn McCall if (Var->getStorageClass() == SC_Static) 188af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::internal(); 189d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 190d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - an object or reference that is explicitly declared const 191d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // and neither explicitly declared extern nor previously 192d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // declared to have external linkage; or 193d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // (there is no equivalent in C99) 194d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (Context.getLangOptions().CPlusPlus && 195e9d6554ba78fb81e810fdaec9b2c98ab96526e83Eli Friedman Var->getType().isConstant(Context) && 196d931b086984257de68868a64a235c2b4b34003fbJohn McCall Var->getStorageClass() != SC_Extern && 197d931b086984257de68868a64a235c2b4b34003fbJohn McCall Var->getStorageClass() != SC_PrivateExtern) { 198d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor bool FoundExtern = false; 199d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor for (const VarDecl *PrevVar = Var->getPreviousDeclaration(); 200d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor PrevVar && !FoundExtern; 201d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor PrevVar = PrevVar->getPreviousDeclaration()) 2020b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (isExternalLinkage(PrevVar->getLinkage())) 203d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor FoundExtern = true; 204d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 205d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (!FoundExtern) 206af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::internal(); 207d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 208d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } else if (isa<FunctionDecl>(D) || isa<FunctionTemplateDecl>(D)) { 2090b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor // C++ [temp]p4: 2100b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor // A non-member function template can have internal linkage; any 2110b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor // other template name shall have external linkage. 212d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor const FunctionDecl *Function = 0; 213d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const FunctionTemplateDecl *FunTmpl 214d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor = dyn_cast<FunctionTemplateDecl>(D)) 215d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor Function = FunTmpl->getTemplatedDecl(); 216d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor else 217d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor Function = cast<FunctionDecl>(D); 218d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 219d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // Explicitly declared static. 220d931b086984257de68868a64a235c2b4b34003fbJohn McCall if (Function->getStorageClass() == SC_Static) 221af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo(InternalLinkage, DefaultVisibility, false); 222d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } else if (const FieldDecl *Field = dyn_cast<FieldDecl>(D)) { 223d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - a data member of an anonymous union. 224d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (cast<RecordDecl>(Field->getDeclContext())->isAnonymousStructOrUnion()) 225af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::internal(); 226d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 227d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 2281fb0caaa7bef765b85972274e3b434af2572c141John McCall if (D->isInAnonymousNamespace()) 229af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::uniqueExternal(); 230e7bc9722c807030409178d4af8ce8d1260bbd821John McCall 2311fb0caaa7bef765b85972274e3b434af2572c141John McCall // Set up the defaults. 2321fb0caaa7bef765b85972274e3b434af2572c141John McCall 2331fb0caaa7bef765b85972274e3b434af2572c141John McCall // C99 6.2.2p5: 2341fb0caaa7bef765b85972274e3b434af2572c141John McCall // If the declaration of an identifier for an object has file 2351fb0caaa7bef765b85972274e3b434af2572c141John McCall // scope and no storage-class specifier, its linkage is 2361fb0caaa7bef765b85972274e3b434af2572c141John McCall // external. 237af14603ca61757cf4361b583b45639a04c57e651John McCall LinkageInfo LV; 238af14603ca61757cf4361b583b45639a04c57e651John McCall 2393698748400478880d2a146ef9eaa111cd0e60522John McCall if (F.ConsiderVisibilityAttributes) { 2403698748400478880d2a146ef9eaa111cd0e60522John McCall if (const VisibilityAttr *VA = GetExplicitVisibility(D)) { 2413698748400478880d2a146ef9eaa111cd0e60522John McCall LV.setVisibility(GetVisibilityFromAttr(VA), true); 2423698748400478880d2a146ef9eaa111cd0e60522John McCall F.ConsiderGlobalVisibility = false; 2433698748400478880d2a146ef9eaa111cd0e60522John McCall } 244af14603ca61757cf4361b583b45639a04c57e651John McCall } 2451fb0caaa7bef765b85972274e3b434af2572c141John McCall 246d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C++ [basic.link]p4: 2471fb0caaa7bef765b85972274e3b434af2572c141John McCall 248d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // A name having namespace scope has external linkage if it is the 249d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // name of 250d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // 251d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - an object or reference, unless it has internal linkage; or 252d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const VarDecl *Var = dyn_cast<VarDecl>(D)) { 253110e8e56af30363072c140285961592b0107f789John McCall // GCC applies the following optimization to variables and static 254110e8e56af30363072c140285961592b0107f789John McCall // data members, but not to functions: 255110e8e56af30363072c140285961592b0107f789John McCall // 2561fb0caaa7bef765b85972274e3b434af2572c141John McCall // Modify the variable's LV by the LV of its type unless this is 2571fb0caaa7bef765b85972274e3b434af2572c141John McCall // C or extern "C". This follows from [basic.link]p9: 2581fb0caaa7bef765b85972274e3b434af2572c141John McCall // A type without linkage shall not be used as the type of a 2591fb0caaa7bef765b85972274e3b434af2572c141John McCall // variable or function with external linkage unless 2601fb0caaa7bef765b85972274e3b434af2572c141John McCall // - the entity has C language linkage, or 2611fb0caaa7bef765b85972274e3b434af2572c141John McCall // - the entity is declared within an unnamed namespace, or 2621fb0caaa7bef765b85972274e3b434af2572c141John McCall // - the entity is not used or is defined in the same 2631fb0caaa7bef765b85972274e3b434af2572c141John McCall // translation unit. 2641fb0caaa7bef765b85972274e3b434af2572c141John McCall // and [basic.link]p10: 2651fb0caaa7bef765b85972274e3b434af2572c141John McCall // ...the types specified by all declarations referring to a 2661fb0caaa7bef765b85972274e3b434af2572c141John McCall // given variable or function shall be identical... 2671fb0caaa7bef765b85972274e3b434af2572c141John McCall // C does not have an equivalent rule. 2681fb0caaa7bef765b85972274e3b434af2572c141John McCall // 269ac65c6208d48b0f9b4661c30c28997a280ac5ba6John McCall // Ignore this if we've got an explicit attribute; the user 270ac65c6208d48b0f9b4661c30c28997a280ac5ba6John McCall // probably knows what they're doing. 271ac65c6208d48b0f9b4661c30c28997a280ac5ba6John McCall // 2721fb0caaa7bef765b85972274e3b434af2572c141John McCall // Note that we don't want to make the variable non-external 2731fb0caaa7bef765b85972274e3b434af2572c141John McCall // because of this, but unique-external linkage suits us. 274ee30102a9ef32cdbf0afe0e4c07a53d265a18f98John McCall if (Context.getLangOptions().CPlusPlus && !Var->isExternC()) { 2751fb0caaa7bef765b85972274e3b434af2572c141John McCall LVPair TypeLV = Var->getType()->getLinkageAndVisibility(); 2761fb0caaa7bef765b85972274e3b434af2572c141John McCall if (TypeLV.first != ExternalLinkage) 277af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::uniqueExternal(); 278af14603ca61757cf4361b583b45639a04c57e651John McCall if (!LV.visibilityExplicit()) 279af14603ca61757cf4361b583b45639a04c57e651John McCall LV.mergeVisibility(TypeLV.second); 280110e8e56af30363072c140285961592b0107f789John McCall } 281110e8e56af30363072c140285961592b0107f789John McCall 28235cebc3eea898637057b10b5cf7dd08b1d788980John McCall if (Var->getStorageClass() == SC_PrivateExtern) 28335cebc3eea898637057b10b5cf7dd08b1d788980John McCall LV.setVisibility(HiddenVisibility, true); 28435cebc3eea898637057b10b5cf7dd08b1d788980John McCall 285d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (!Context.getLangOptions().CPlusPlus && 286d931b086984257de68868a64a235c2b4b34003fbJohn McCall (Var->getStorageClass() == SC_Extern || 287d931b086984257de68868a64a235c2b4b34003fbJohn McCall Var->getStorageClass() == SC_PrivateExtern)) { 2881fb0caaa7bef765b85972274e3b434af2572c141John McCall 289d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C99 6.2.2p4: 290d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // For an identifier declared with the storage-class specifier 291d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // extern in a scope in which a prior declaration of that 292d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // identifier is visible, if the prior declaration specifies 293d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // internal or external linkage, the linkage of the identifier 294d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // at the later declaration is the same as the linkage 295d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // specified at the prior declaration. If no prior declaration 296d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // is visible, or if the prior declaration specifies no 297d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // linkage, then the identifier has external linkage. 298d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const VarDecl *PrevVar = Var->getPreviousDeclaration()) { 299af14603ca61757cf4361b583b45639a04c57e651John McCall LinkageInfo PrevLV = PrevVar->getLinkageAndVisibility(); 300af14603ca61757cf4361b583b45639a04c57e651John McCall if (PrevLV.linkage()) LV.setLinkage(PrevLV.linkage()); 301af14603ca61757cf4361b583b45639a04c57e651John McCall LV.mergeVisibility(PrevLV); 302d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 303d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 304d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 305d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - a function, unless it has internal linkage; or 3061fb0caaa7bef765b85972274e3b434af2572c141John McCall } else if (const FunctionDecl *Function = dyn_cast<FunctionDecl>(D)) { 30767fa6d5ea630c800c3c96e129129aba93d1487c2John McCall // In theory, we can modify the function's LV by the LV of its 30867fa6d5ea630c800c3c96e129129aba93d1487c2John McCall // type unless it has C linkage (see comment above about variables 30967fa6d5ea630c800c3c96e129129aba93d1487c2John McCall // for justification). In practice, GCC doesn't do this, so it's 31067fa6d5ea630c800c3c96e129129aba93d1487c2John McCall // just too painful to make work. 3111fb0caaa7bef765b85972274e3b434af2572c141John McCall 31235cebc3eea898637057b10b5cf7dd08b1d788980John McCall if (Function->getStorageClass() == SC_PrivateExtern) 31335cebc3eea898637057b10b5cf7dd08b1d788980John McCall LV.setVisibility(HiddenVisibility, true); 31435cebc3eea898637057b10b5cf7dd08b1d788980John McCall 315d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C99 6.2.2p5: 316d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // If the declaration of an identifier for a function has no 317d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // storage-class specifier, its linkage is determined exactly 318d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // as if it were declared with the storage-class specifier 319d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // extern. 320d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (!Context.getLangOptions().CPlusPlus && 321d931b086984257de68868a64a235c2b4b34003fbJohn McCall (Function->getStorageClass() == SC_Extern || 322d931b086984257de68868a64a235c2b4b34003fbJohn McCall Function->getStorageClass() == SC_PrivateExtern || 323d931b086984257de68868a64a235c2b4b34003fbJohn McCall Function->getStorageClass() == SC_None)) { 324d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C99 6.2.2p4: 325d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // For an identifier declared with the storage-class specifier 326d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // extern in a scope in which a prior declaration of that 327d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // identifier is visible, if the prior declaration specifies 328d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // internal or external linkage, the linkage of the identifier 329d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // at the later declaration is the same as the linkage 330d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // specified at the prior declaration. If no prior declaration 331d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // is visible, or if the prior declaration specifies no 332d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // linkage, then the identifier has external linkage. 333d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const FunctionDecl *PrevFunc = Function->getPreviousDeclaration()) { 334af14603ca61757cf4361b583b45639a04c57e651John McCall LinkageInfo PrevLV = PrevFunc->getLinkageAndVisibility(); 335af14603ca61757cf4361b583b45639a04c57e651John McCall if (PrevLV.linkage()) LV.setLinkage(PrevLV.linkage()); 336af14603ca61757cf4361b583b45639a04c57e651John McCall LV.mergeVisibility(PrevLV); 337d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 338d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 339d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 3400b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (FunctionTemplateSpecializationInfo *SpecInfo 3410b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor = Function->getTemplateSpecializationInfo()) { 3423698748400478880d2a146ef9eaa111cd0e60522John McCall LV.merge(getLVForDecl(SpecInfo->getTemplate(), 3433698748400478880d2a146ef9eaa111cd0e60522John McCall F.onlyTemplateVisibility())); 3440b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor const TemplateArgumentList &TemplateArgs = *SpecInfo->TemplateArguments; 345af14603ca61757cf4361b583b45639a04c57e651John McCall LV.merge(getLVForTemplateArgumentList(TemplateArgs)); 3460b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 3470b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 348d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - a named class (Clause 9), or an unnamed class defined in a 349d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // typedef declaration in which the class has the typedef name 350d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // for linkage purposes (7.1.3); or 351d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - a named enumeration (7.2), or an unnamed enumeration 352d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // defined in a typedef declaration in which the enumeration 353d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // has the typedef name for linkage purposes (7.1.3); or 3541fb0caaa7bef765b85972274e3b434af2572c141John McCall } else if (const TagDecl *Tag = dyn_cast<TagDecl>(D)) { 3551fb0caaa7bef765b85972274e3b434af2572c141John McCall // Unnamed tags have no linkage. 3561fb0caaa7bef765b85972274e3b434af2572c141John McCall if (!Tag->getDeclName() && !Tag->getTypedefForAnonDecl()) 357af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::none(); 3581fb0caaa7bef765b85972274e3b434af2572c141John McCall 3591fb0caaa7bef765b85972274e3b434af2572c141John McCall // If this is a class template specialization, consider the 3601fb0caaa7bef765b85972274e3b434af2572c141John McCall // linkage of the template and template arguments. 3611fb0caaa7bef765b85972274e3b434af2572c141John McCall if (const ClassTemplateSpecializationDecl *Spec 3621fb0caaa7bef765b85972274e3b434af2572c141John McCall = dyn_cast<ClassTemplateSpecializationDecl>(Tag)) { 3633698748400478880d2a146ef9eaa111cd0e60522John McCall // From the template. 3643698748400478880d2a146ef9eaa111cd0e60522John McCall LV.merge(getLVForDecl(Spec->getSpecializedTemplate(), 3653698748400478880d2a146ef9eaa111cd0e60522John McCall F.onlyTemplateVisibility())); 3661fb0caaa7bef765b85972274e3b434af2572c141John McCall 3671fb0caaa7bef765b85972274e3b434af2572c141John McCall // The arguments at which the template was instantiated. 3681fb0caaa7bef765b85972274e3b434af2572c141John McCall const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); 369af14603ca61757cf4361b583b45639a04c57e651John McCall LV.merge(getLVForTemplateArgumentList(TemplateArgs)); 3700b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 371d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 372ac65c6208d48b0f9b4661c30c28997a280ac5ba6John McCall // Consider -fvisibility unless the type has C linkage. 3733698748400478880d2a146ef9eaa111cd0e60522John McCall if (F.ConsiderGlobalVisibility) 3743698748400478880d2a146ef9eaa111cd0e60522John McCall F.ConsiderGlobalVisibility = 375ac65c6208d48b0f9b4661c30c28997a280ac5ba6John McCall (Context.getLangOptions().CPlusPlus && 376ac65c6208d48b0f9b4661c30c28997a280ac5ba6John McCall !Tag->getDeclContext()->isExternCContext()); 3771fb0caaa7bef765b85972274e3b434af2572c141John McCall 378d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - an enumerator belonging to an enumeration with external linkage; 3791fb0caaa7bef765b85972274e3b434af2572c141John McCall } else if (isa<EnumConstantDecl>(D)) { 380af14603ca61757cf4361b583b45639a04c57e651John McCall LinkageInfo EnumLV = 3811fb0caaa7bef765b85972274e3b434af2572c141John McCall cast<NamedDecl>(D->getDeclContext())->getLinkageAndVisibility(); 382af14603ca61757cf4361b583b45639a04c57e651John McCall if (!isExternalLinkage(EnumLV.linkage())) 383af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::none(); 384af14603ca61757cf4361b583b45639a04c57e651John McCall LV.merge(EnumLV); 385d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 386d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - a template, unless it is a function template that has 387d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // internal linkage (Clause 14); 3881fb0caaa7bef765b85972274e3b434af2572c141John McCall } else if (const TemplateDecl *Template = dyn_cast<TemplateDecl>(D)) { 389af14603ca61757cf4361b583b45639a04c57e651John McCall LV.merge(getLVForTemplateParameterList(Template->getTemplateParameters())); 3900b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 391d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - a namespace (7.3), unless it is declared within an unnamed 392d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // namespace. 3931fb0caaa7bef765b85972274e3b434af2572c141John McCall } else if (isa<NamespaceDecl>(D) && !D->isInAnonymousNamespace()) { 3941fb0caaa7bef765b85972274e3b434af2572c141John McCall return LV; 3951fb0caaa7bef765b85972274e3b434af2572c141John McCall 3961fb0caaa7bef765b85972274e3b434af2572c141John McCall // By extension, we assign external linkage to Objective-C 3971fb0caaa7bef765b85972274e3b434af2572c141John McCall // interfaces. 3981fb0caaa7bef765b85972274e3b434af2572c141John McCall } else if (isa<ObjCInterfaceDecl>(D)) { 3991fb0caaa7bef765b85972274e3b434af2572c141John McCall // fallout 4001fb0caaa7bef765b85972274e3b434af2572c141John McCall 4011fb0caaa7bef765b85972274e3b434af2572c141John McCall // Everything not covered here has no linkage. 4021fb0caaa7bef765b85972274e3b434af2572c141John McCall } else { 403af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::none(); 4041fb0caaa7bef765b85972274e3b434af2572c141John McCall } 4051fb0caaa7bef765b85972274e3b434af2572c141John McCall 4061fb0caaa7bef765b85972274e3b434af2572c141John McCall // If we ended up with non-external linkage, visibility should 4071fb0caaa7bef765b85972274e3b434af2572c141John McCall // always be default. 408af14603ca61757cf4361b583b45639a04c57e651John McCall if (LV.linkage() != ExternalLinkage) 409af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo(LV.linkage(), DefaultVisibility, false); 4101fb0caaa7bef765b85972274e3b434af2572c141John McCall 4111fb0caaa7bef765b85972274e3b434af2572c141John McCall // If we didn't end up with hidden visibility, consider attributes 4121fb0caaa7bef765b85972274e3b434af2572c141John McCall // and -fvisibility. 4133698748400478880d2a146ef9eaa111cd0e60522John McCall if (F.ConsiderGlobalVisibility) 414af14603ca61757cf4361b583b45639a04c57e651John McCall LV.mergeVisibility(Context.getLangOptions().getVisibilityMode()); 415d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 4161fb0caaa7bef765b85972274e3b434af2572c141John McCall return LV; 417d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor} 418d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 4193698748400478880d2a146ef9eaa111cd0e60522John McCallstatic LinkageInfo getLVForClassMember(const NamedDecl *D, LVFlags F) { 4201fb0caaa7bef765b85972274e3b434af2572c141John McCall // Only certain class members have linkage. Note that fields don't 4211fb0caaa7bef765b85972274e3b434af2572c141John McCall // really have linkage, but it's convenient to say they do for the 4221fb0caaa7bef765b85972274e3b434af2572c141John McCall // purposes of calculating linkage of pointer-to-data-member 4231fb0caaa7bef765b85972274e3b434af2572c141John McCall // template arguments. 4243cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall if (!(isa<CXXMethodDecl>(D) || 4253cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall isa<VarDecl>(D) || 4261fb0caaa7bef765b85972274e3b434af2572c141John McCall isa<FieldDecl>(D) || 4273cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall (isa<TagDecl>(D) && 4283cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall (D->getDeclName() || cast<TagDecl>(D)->getTypedefForAnonDecl())))) 429af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::none(); 4303cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall 4313698748400478880d2a146ef9eaa111cd0e60522John McCall LinkageInfo LV; 4323698748400478880d2a146ef9eaa111cd0e60522John McCall 4333698748400478880d2a146ef9eaa111cd0e60522John McCall // The flags we're going to use to compute the class's visibility. 4343698748400478880d2a146ef9eaa111cd0e60522John McCall LVFlags ClassF = F; 4353698748400478880d2a146ef9eaa111cd0e60522John McCall 4363698748400478880d2a146ef9eaa111cd0e60522John McCall // If we have an explicit visibility attribute, merge that in. 4373698748400478880d2a146ef9eaa111cd0e60522John McCall if (F.ConsiderVisibilityAttributes) { 4383698748400478880d2a146ef9eaa111cd0e60522John McCall if (const VisibilityAttr *VA = GetExplicitVisibility(D)) { 4393698748400478880d2a146ef9eaa111cd0e60522John McCall LV.mergeVisibility(GetVisibilityFromAttr(VA), true); 4403698748400478880d2a146ef9eaa111cd0e60522John McCall 4413698748400478880d2a146ef9eaa111cd0e60522John McCall // Ignore global visibility later, but not this attribute. 4423698748400478880d2a146ef9eaa111cd0e60522John McCall F.ConsiderGlobalVisibility = false; 4433698748400478880d2a146ef9eaa111cd0e60522John McCall 4443698748400478880d2a146ef9eaa111cd0e60522John McCall // Ignore both global visibility and attributes when computing our 4453698748400478880d2a146ef9eaa111cd0e60522John McCall // parent's visibility. 4463698748400478880d2a146ef9eaa111cd0e60522John McCall ClassF = F.onlyTemplateVisibility(); 4473698748400478880d2a146ef9eaa111cd0e60522John McCall } 4483698748400478880d2a146ef9eaa111cd0e60522John McCall } 449af14603ca61757cf4361b583b45639a04c57e651John McCall 450af14603ca61757cf4361b583b45639a04c57e651John McCall // Class members only have linkage if their class has external 4513698748400478880d2a146ef9eaa111cd0e60522John McCall // linkage. 4523698748400478880d2a146ef9eaa111cd0e60522John McCall LV.merge(getLVForDecl(cast<RecordDecl>(D->getDeclContext()), ClassF)); 4533698748400478880d2a146ef9eaa111cd0e60522John McCall if (!isExternalLinkage(LV.linkage())) 454af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::none(); 4553cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall 4563cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall // If the class already has unique-external linkage, we can't improve. 4573698748400478880d2a146ef9eaa111cd0e60522John McCall if (LV.linkage() == UniqueExternalLinkage) 458af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::uniqueExternal(); 4591fb0caaa7bef765b85972274e3b434af2572c141John McCall 4603cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(D)) { 461110e8e56af30363072c140285961592b0107f789John McCall TemplateSpecializationKind TSK = TSK_Undeclared; 462110e8e56af30363072c140285961592b0107f789John McCall 4631fb0caaa7bef765b85972274e3b434af2572c141John McCall // If this is a method template specialization, use the linkage for 4641fb0caaa7bef765b85972274e3b434af2572c141John McCall // the template parameters and arguments. 4651fb0caaa7bef765b85972274e3b434af2572c141John McCall if (FunctionTemplateSpecializationInfo *Spec 4663cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall = MD->getTemplateSpecializationInfo()) { 467af14603ca61757cf4361b583b45639a04c57e651John McCall LV.merge(getLVForTemplateArgumentList(*Spec->TemplateArguments)); 468af14603ca61757cf4361b583b45639a04c57e651John McCall LV.merge(getLVForTemplateParameterList( 4691fb0caaa7bef765b85972274e3b434af2572c141John McCall Spec->getTemplate()->getTemplateParameters())); 470110e8e56af30363072c140285961592b0107f789John McCall 471110e8e56af30363072c140285961592b0107f789John McCall TSK = Spec->getTemplateSpecializationKind(); 472110e8e56af30363072c140285961592b0107f789John McCall } else if (MemberSpecializationInfo *MSI = 473110e8e56af30363072c140285961592b0107f789John McCall MD->getMemberSpecializationInfo()) { 474110e8e56af30363072c140285961592b0107f789John McCall TSK = MSI->getTemplateSpecializationKind(); 4753cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall } 4763cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall 477110e8e56af30363072c140285961592b0107f789John McCall // If we're paying attention to global visibility, apply 478110e8e56af30363072c140285961592b0107f789John McCall // -finline-visibility-hidden if this is an inline method. 479110e8e56af30363072c140285961592b0107f789John McCall // 480af14603ca61757cf4361b583b45639a04c57e651John McCall // Note that ConsiderGlobalVisibility doesn't yet have information 481af14603ca61757cf4361b583b45639a04c57e651John McCall // about whether containing classes have visibility attributes, 482af14603ca61757cf4361b583b45639a04c57e651John McCall // and that's intentional. 483af14603ca61757cf4361b583b45639a04c57e651John McCall if (TSK != TSK_ExplicitInstantiationDeclaration && 4843698748400478880d2a146ef9eaa111cd0e60522John McCall F.ConsiderGlobalVisibility && 48566cbcf3f150d075fead7c5935b6e9c61a32cf3d4John McCall MD->getASTContext().getLangOptions().InlineVisibilityHidden) { 48666cbcf3f150d075fead7c5935b6e9c61a32cf3d4John McCall // InlineVisibilityHidden only applies to definitions, and 48766cbcf3f150d075fead7c5935b6e9c61a32cf3d4John McCall // isInlined() only gives meaningful answers on definitions 48866cbcf3f150d075fead7c5935b6e9c61a32cf3d4John McCall // anyway. 48966cbcf3f150d075fead7c5935b6e9c61a32cf3d4John McCall const FunctionDecl *Def = 0; 49066cbcf3f150d075fead7c5935b6e9c61a32cf3d4John McCall if (MD->hasBody(Def) && Def->isInlined()) 49166cbcf3f150d075fead7c5935b6e9c61a32cf3d4John McCall LV.setVisibility(HiddenVisibility); 49266cbcf3f150d075fead7c5935b6e9c61a32cf3d4John McCall } 4931fb0caaa7bef765b85972274e3b434af2572c141John McCall 494110e8e56af30363072c140285961592b0107f789John McCall // Note that in contrast to basically every other situation, we 495110e8e56af30363072c140285961592b0107f789John McCall // *do* apply -fvisibility to method declarations. 496110e8e56af30363072c140285961592b0107f789John McCall 497110e8e56af30363072c140285961592b0107f789John McCall } else if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(D)) { 498110e8e56af30363072c140285961592b0107f789John McCall if (const ClassTemplateSpecializationDecl *Spec 499110e8e56af30363072c140285961592b0107f789John McCall = dyn_cast<ClassTemplateSpecializationDecl>(RD)) { 500110e8e56af30363072c140285961592b0107f789John McCall // Merge template argument/parameter information for member 501110e8e56af30363072c140285961592b0107f789John McCall // class template specializations. 502af14603ca61757cf4361b583b45639a04c57e651John McCall LV.merge(getLVForTemplateArgumentList(Spec->getTemplateArgs())); 503af14603ca61757cf4361b583b45639a04c57e651John McCall LV.merge(getLVForTemplateParameterList( 5041fb0caaa7bef765b85972274e3b434af2572c141John McCall Spec->getSpecializedTemplate()->getTemplateParameters())); 505110e8e56af30363072c140285961592b0107f789John McCall } 506110e8e56af30363072c140285961592b0107f789John McCall 507110e8e56af30363072c140285961592b0107f789John McCall // Static data members. 508110e8e56af30363072c140285961592b0107f789John McCall } else if (const VarDecl *VD = dyn_cast<VarDecl>(D)) { 509ee30102a9ef32cdbf0afe0e4c07a53d265a18f98John McCall // Modify the variable's linkage by its type, but ignore the 510ee30102a9ef32cdbf0afe0e4c07a53d265a18f98John McCall // type's visibility unless it's a definition. 511ee30102a9ef32cdbf0afe0e4c07a53d265a18f98John McCall LVPair TypeLV = VD->getType()->getLinkageAndVisibility(); 512ee30102a9ef32cdbf0afe0e4c07a53d265a18f98John McCall if (TypeLV.first != ExternalLinkage) 513af14603ca61757cf4361b583b45639a04c57e651John McCall LV.mergeLinkage(UniqueExternalLinkage); 514af14603ca61757cf4361b583b45639a04c57e651John McCall if (!LV.visibilityExplicit()) 515af14603ca61757cf4361b583b45639a04c57e651John McCall LV.mergeVisibility(TypeLV.second); 516110e8e56af30363072c140285961592b0107f789John McCall } 517110e8e56af30363072c140285961592b0107f789John McCall 5183698748400478880d2a146ef9eaa111cd0e60522John McCall F.ConsiderGlobalVisibility &= !LV.visibilityExplicit(); 519110e8e56af30363072c140285961592b0107f789John McCall 520110e8e56af30363072c140285961592b0107f789John McCall // Apply -fvisibility if desired. 5213698748400478880d2a146ef9eaa111cd0e60522John McCall if (F.ConsiderGlobalVisibility && LV.visibility() != HiddenVisibility) { 522af14603ca61757cf4361b583b45639a04c57e651John McCall LV.mergeVisibility(D->getASTContext().getLangOptions().getVisibilityMode()); 5233cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall } 5243cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall 5251fb0caaa7bef765b85972274e3b434af2572c141John McCall return LV; 5263cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall} 5273cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall 528af14603ca61757cf4361b583b45639a04c57e651John McCallLinkageInfo NamedDecl::getLinkageAndVisibility() const { 5293698748400478880d2a146ef9eaa111cd0e60522John McCall return getLVForDecl(this, LVFlags()); 5300df9587ab011c12968fcbe3518666b2117afe350John McCall} 531becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek 5323698748400478880d2a146ef9eaa111cd0e60522John McCallstatic LinkageInfo getLVForDecl(const NamedDecl *D, LVFlags Flags) { 533becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek // Objective-C: treat all Objective-C declarations as having external 534becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek // linkage. 5350df9587ab011c12968fcbe3518666b2117afe350John McCall switch (D->getKind()) { 536becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek default: 537becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek break; 5381fb0caaa7bef765b85972274e3b434af2572c141John McCall case Decl::TemplateTemplateParm: // count these as external 5391fb0caaa7bef765b85972274e3b434af2572c141John McCall case Decl::NonTypeTemplateParm: 540becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCAtDefsField: 541becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCCategory: 542becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCCategoryImpl: 543becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCCompatibleAlias: 544becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCForwardProtocol: 545becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCImplementation: 546becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCMethod: 547becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCProperty: 548becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCPropertyImpl: 549becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCProtocol: 550af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::external(); 551becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek } 552becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek 553d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // Handle linkage for namespace-scope names. 5540df9587ab011c12968fcbe3518666b2117afe350John McCall if (D->getDeclContext()->getRedeclContext()->isFileContext()) 5553698748400478880d2a146ef9eaa111cd0e60522John McCall return getLVForNamespaceScopeDecl(D, Flags); 556d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 557d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C++ [basic.link]p5: 558d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // In addition, a member function, static data member, a named 559d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // class or enumeration of class scope, or an unnamed class or 560d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // enumeration defined in a class-scope typedef declaration such 561d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // that the class or enumeration has the typedef name for linkage 562d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // purposes (7.1.3), has external linkage if the name of the class 563d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // has external linkage. 5640df9587ab011c12968fcbe3518666b2117afe350John McCall if (D->getDeclContext()->isRecord()) 5653698748400478880d2a146ef9eaa111cd0e60522John McCall return getLVForClassMember(D, Flags); 566d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 567d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C++ [basic.link]p6: 568d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // The name of a function declared in block scope and the name of 569d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // an object declared by a block scope extern declaration have 570d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // linkage. If there is a visible declaration of an entity with 571d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // linkage having the same name and type, ignoring entities 572d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // declared outside the innermost enclosing namespace scope, the 573d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // block scope declaration declares that same entity and receives 574d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // the linkage of the previous declaration. If there is more than 575d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // one such matching entity, the program is ill-formed. Otherwise, 576d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // if no matching entity is found, the block scope entity receives 577d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // external linkage. 5780df9587ab011c12968fcbe3518666b2117afe350John McCall if (D->getLexicalDeclContext()->isFunctionOrMethod()) { 5790df9587ab011c12968fcbe3518666b2117afe350John McCall if (const FunctionDecl *Function = dyn_cast<FunctionDecl>(D)) { 5800b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (Function->isInAnonymousNamespace()) 581af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::uniqueExternal(); 5821fb0caaa7bef765b85972274e3b434af2572c141John McCall 583af14603ca61757cf4361b583b45639a04c57e651John McCall LinkageInfo LV; 584e7bc9722c807030409178d4af8ce8d1260bbd821John McCall if (const VisibilityAttr *VA = GetExplicitVisibility(Function)) 585af14603ca61757cf4361b583b45639a04c57e651John McCall LV.setVisibility(GetVisibilityFromAttr(VA)); 5861fb0caaa7bef765b85972274e3b434af2572c141John McCall 5871fb0caaa7bef765b85972274e3b434af2572c141John McCall if (const FunctionDecl *Prev = Function->getPreviousDeclaration()) { 588af14603ca61757cf4361b583b45639a04c57e651John McCall LinkageInfo PrevLV = Prev->getLinkageAndVisibility(); 589af14603ca61757cf4361b583b45639a04c57e651John McCall if (PrevLV.linkage()) LV.setLinkage(PrevLV.linkage()); 590af14603ca61757cf4361b583b45639a04c57e651John McCall LV.mergeVisibility(PrevLV); 5911fb0caaa7bef765b85972274e3b434af2572c141John McCall } 5920b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 5931fb0caaa7bef765b85972274e3b434af2572c141John McCall return LV; 594d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 595d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 5960df9587ab011c12968fcbe3518666b2117afe350John McCall if (const VarDecl *Var = dyn_cast<VarDecl>(D)) 597d931b086984257de68868a64a235c2b4b34003fbJohn McCall if (Var->getStorageClass() == SC_Extern || 598d931b086984257de68868a64a235c2b4b34003fbJohn McCall Var->getStorageClass() == SC_PrivateExtern) { 5990b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (Var->isInAnonymousNamespace()) 600af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::uniqueExternal(); 6011fb0caaa7bef765b85972274e3b434af2572c141John McCall 602af14603ca61757cf4361b583b45639a04c57e651John McCall LinkageInfo LV; 6031fb0caaa7bef765b85972274e3b434af2572c141John McCall if (Var->getStorageClass() == SC_PrivateExtern) 604af14603ca61757cf4361b583b45639a04c57e651John McCall LV.setVisibility(HiddenVisibility); 605e7bc9722c807030409178d4af8ce8d1260bbd821John McCall else if (const VisibilityAttr *VA = GetExplicitVisibility(Var)) 606af14603ca61757cf4361b583b45639a04c57e651John McCall LV.setVisibility(GetVisibilityFromAttr(VA)); 6070b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 6081fb0caaa7bef765b85972274e3b434af2572c141John McCall if (const VarDecl *Prev = Var->getPreviousDeclaration()) { 609af14603ca61757cf4361b583b45639a04c57e651John McCall LinkageInfo PrevLV = Prev->getLinkageAndVisibility(); 610af14603ca61757cf4361b583b45639a04c57e651John McCall if (PrevLV.linkage()) LV.setLinkage(PrevLV.linkage()); 611af14603ca61757cf4361b583b45639a04c57e651John McCall LV.mergeVisibility(PrevLV); 6121fb0caaa7bef765b85972274e3b434af2572c141John McCall } 6131fb0caaa7bef765b85972274e3b434af2572c141John McCall 6141fb0caaa7bef765b85972274e3b434af2572c141John McCall return LV; 615d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 616d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 617d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 618d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C++ [basic.link]p6: 619d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // Names not covered by these rules have no linkage. 620af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::none(); 6211fb0caaa7bef765b85972274e3b434af2572c141John McCall} 622d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 62347b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregorstd::string NamedDecl::getQualifiedNameAsString() const { 6243a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson return getQualifiedNameAsString(getASTContext().getLangOptions()); 6253a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson} 6263a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson 6273a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlssonstd::string NamedDecl::getQualifiedNameAsString(const PrintingPolicy &P) const { 62847b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor const DeclContext *Ctx = getDeclContext(); 62947b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 63047b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor if (Ctx->isFunctionOrMethod()) 63147b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor return getNameAsString(); 63247b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 63368eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer typedef llvm::SmallVector<const DeclContext *, 8> ContextsTy; 63468eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer ContextsTy Contexts; 63568eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer 63668eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer // Collect contexts. 63768eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer while (Ctx && isa<NamedDecl>(Ctx)) { 63868eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer Contexts.push_back(Ctx); 63968eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer Ctx = Ctx->getParent(); 64068eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer }; 64168eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer 64268eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer std::string QualName; 64368eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer llvm::raw_string_ostream OS(QualName); 64468eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer 64568eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer for (ContextsTy::reverse_iterator I = Contexts.rbegin(), E = Contexts.rend(); 64668eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer I != E; ++I) { 6471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ClassTemplateSpecializationDecl *Spec 64868eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer = dyn_cast<ClassTemplateSpecializationDecl>(*I)) { 649f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregor const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); 650f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregor std::string TemplateArgsStr 651f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregor = TemplateSpecializationType::PrintTemplateArgumentList( 652910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgs.data(), 653910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgs.size(), 6543a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson P); 65568eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << Spec->getName() << TemplateArgsStr; 65668eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer } else if (const NamespaceDecl *ND = dyn_cast<NamespaceDecl>(*I)) { 6576be112049b24ffaa8508646aa695834b4b5ca2b2Sam Weinig if (ND->isAnonymousNamespace()) 65868eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << "<anonymous namespace>"; 6596be112049b24ffaa8508646aa695834b4b5ca2b2Sam Weinig else 66068eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << ND; 66168eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer } else if (const RecordDecl *RD = dyn_cast<RecordDecl>(*I)) { 66268eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer if (!RD->getIdentifier()) 66368eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << "<anonymous " << RD->getKindName() << '>'; 66468eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer else 66568eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << RD; 66668eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer } else if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(*I)) { 6673521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig const FunctionProtoType *FT = 0; 6683521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig if (FD->hasWrittenPrototype()) 6693521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig FT = dyn_cast<FunctionProtoType>(FD->getType()->getAs<FunctionType>()); 6703521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig 67168eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << FD << '('; 6723521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig if (FT) { 6733521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig unsigned NumParams = FD->getNumParams(); 6743521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig for (unsigned i = 0; i < NumParams; ++i) { 6753521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig if (i) 67668eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << ", "; 6773521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig std::string Param; 6783521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig FD->getParamDecl(i)->getType().getAsStringInternal(Param, P); 67968eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << Param; 6803521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig } 6813521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig 6823521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig if (FT->isVariadic()) { 6833521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig if (NumParams > 0) 68468eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << ", "; 68568eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << "..."; 6863521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig } 6873521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig } 68868eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << ')'; 68968eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer } else { 69068eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << cast<NamedDecl>(*I); 69168eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer } 69268eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << "::"; 69347b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor } 69447b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 6958472af4df9292e02fb25c952d25a81f3ca296252John McCall if (getDeclName()) 69668eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << this; 6978472af4df9292e02fb25c952d25a81f3ca296252John McCall else 69868eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << "<anonymous>"; 69947b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 70068eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer return OS.str(); 70147b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor} 70247b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 7034afa39deaa245592977136d367251ee2c173dd8dDouglas Gregorbool NamedDecl::declarationReplaces(NamedDecl *OldD) const { 7046ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor assert(getDeclName() == OldD->getDeclName() && "Declaration name mismatch"); 7056ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor 7062a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor // UsingDirectiveDecl's are not really NamedDecl's, and all have same name. 7072a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor // We want to keep it, unless it nominates same namespace. 7082a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor if (getKind() == Decl::UsingDirective) { 7092a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor return cast<UsingDirectiveDecl>(this)->getNominatedNamespace() == 7102a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor cast<UsingDirectiveDecl>(OldD)->getNominatedNamespace(); 7112a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor } 7121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7136ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(this)) 7146ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor // For function declarations, we keep track of redeclarations. 7156ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor return FD->getPreviousDeclaration() == OldD; 7166ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor 717e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor // For function templates, the underlying function declarations are linked. 718e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor if (const FunctionTemplateDecl *FunctionTemplate 719e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor = dyn_cast<FunctionTemplateDecl>(this)) 720e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor if (const FunctionTemplateDecl *OldFunctionTemplate 721e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor = dyn_cast<FunctionTemplateDecl>(OldD)) 722e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor return FunctionTemplate->getTemplatedDecl() 723e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor ->declarationReplaces(OldFunctionTemplate->getTemplatedDecl()); 7241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7250de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff // For method declarations, we keep track of redeclarations. 7260de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff if (isa<ObjCMethodDecl>(this)) 7270de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff return false; 7281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 729f36e02d4aff98bf2e52e342e0038d4172fbb5e64John McCall if (isa<ObjCInterfaceDecl>(this) && isa<ObjCCompatibleAliasDecl>(OldD)) 730f36e02d4aff98bf2e52e342e0038d4172fbb5e64John McCall return true; 731f36e02d4aff98bf2e52e342e0038d4172fbb5e64John McCall 7329488ea120e093068021f944176c3d610dd540914John McCall if (isa<UsingShadowDecl>(this) && isa<UsingShadowDecl>(OldD)) 7339488ea120e093068021f944176c3d610dd540914John McCall return cast<UsingShadowDecl>(this)->getTargetDecl() == 7349488ea120e093068021f944176c3d610dd540914John McCall cast<UsingShadowDecl>(OldD)->getTargetDecl(); 7359488ea120e093068021f944176c3d610dd540914John McCall 736c80117e7971c34088f3e254c849ec3a40205d2c3Argyrios Kyrtzidis if (isa<UsingDecl>(this) && isa<UsingDecl>(OldD)) 737c80117e7971c34088f3e254c849ec3a40205d2c3Argyrios Kyrtzidis return cast<UsingDecl>(this)->getTargetNestedNameDecl() == 738c80117e7971c34088f3e254c849ec3a40205d2c3Argyrios Kyrtzidis cast<UsingDecl>(OldD)->getTargetNestedNameDecl(); 739c80117e7971c34088f3e254c849ec3a40205d2c3Argyrios Kyrtzidis 7406ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor // For non-function declarations, if the declarations are of the 7416ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor // same kind then this must be a redeclaration, or semantic analysis 7426ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor // would not have given us the new declaration. 7436ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor return this->getKind() == OldD->getKind(); 7446ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor} 7456ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor 746d6f7e9dccd0fa8a5a15d7478324c0ae229fc5e1eDouglas Gregorbool NamedDecl::hasLinkage() const { 747d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor return getLinkage() != NoLinkage; 748d6f7e9dccd0fa8a5a15d7478324c0ae229fc5e1eDouglas Gregor} 7494afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor 750e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders CarlssonNamedDecl *NamedDecl::getUnderlyingDecl() { 751e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson NamedDecl *ND = this; 752e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson while (true) { 7539488ea120e093068021f944176c3d610dd540914John McCall if (UsingShadowDecl *UD = dyn_cast<UsingShadowDecl>(ND)) 754e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson ND = UD->getTargetDecl(); 755e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson else if (ObjCCompatibleAliasDecl *AD 756e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson = dyn_cast<ObjCCompatibleAliasDecl>(ND)) 757e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson return AD->getClassInterface(); 758e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson else 759e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson return ND; 760e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson } 761e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson} 762e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson 763161755a09898c95d21bfff33707da9ca41cd53c5John McCallbool NamedDecl::isCXXInstanceMember() const { 764161755a09898c95d21bfff33707da9ca41cd53c5John McCall assert(isCXXClassMember() && 765161755a09898c95d21bfff33707da9ca41cd53c5John McCall "checking whether non-member is instance member"); 766161755a09898c95d21bfff33707da9ca41cd53c5John McCall 767161755a09898c95d21bfff33707da9ca41cd53c5John McCall const NamedDecl *D = this; 768161755a09898c95d21bfff33707da9ca41cd53c5John McCall if (isa<UsingShadowDecl>(D)) 769161755a09898c95d21bfff33707da9ca41cd53c5John McCall D = cast<UsingShadowDecl>(D)->getTargetDecl(); 770161755a09898c95d21bfff33707da9ca41cd53c5John McCall 77187c2e121cf0522fc266efe2922b58091cd2e0182Francois Pichet if (isa<FieldDecl>(D) || isa<IndirectFieldDecl>(D)) 772161755a09898c95d21bfff33707da9ca41cd53c5John McCall return true; 773161755a09898c95d21bfff33707da9ca41cd53c5John McCall if (isa<CXXMethodDecl>(D)) 774161755a09898c95d21bfff33707da9ca41cd53c5John McCall return cast<CXXMethodDecl>(D)->isInstance(); 775161755a09898c95d21bfff33707da9ca41cd53c5John McCall if (isa<FunctionTemplateDecl>(D)) 776161755a09898c95d21bfff33707da9ca41cd53c5John McCall return cast<CXXMethodDecl>(cast<FunctionTemplateDecl>(D) 777161755a09898c95d21bfff33707da9ca41cd53c5John McCall ->getTemplatedDecl())->isInstance(); 778161755a09898c95d21bfff33707da9ca41cd53c5John McCall return false; 779161755a09898c95d21bfff33707da9ca41cd53c5John McCall} 780161755a09898c95d21bfff33707da9ca41cd53c5John McCall 7815239304ff761b8b03eefb772bd5d830a9b9f1aeaArgyrios Kyrtzidis//===----------------------------------------------------------------------===// 782a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis// DeclaratorDecl Implementation 783a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis//===----------------------------------------------------------------------===// 784a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis 7851693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregortemplate <typename DeclT> 7861693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregorstatic SourceLocation getTemplateOrInnerLocStart(const DeclT *decl) { 7871693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor if (decl->getNumTemplateParameterLists() > 0) 7881693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor return decl->getTemplateParameterList(0)->getTemplateLoc(); 7891693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor else 7901693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor return decl->getInnerLocStart(); 7911693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor} 7921693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor 793a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios KyrtzidisSourceLocation DeclaratorDecl::getTypeSpecStartLoc() const { 7944e449836c0deee9cfd92d32cb7d843759fa6452bJohn McCall TypeSourceInfo *TSI = getTypeSourceInfo(); 7954e449836c0deee9cfd92d32cb7d843759fa6452bJohn McCall if (TSI) return TSI->getTypeLoc().getBeginLoc(); 796a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis return SourceLocation(); 797a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis} 798a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis 799b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCallvoid DeclaratorDecl::setQualifierInfo(NestedNameSpecifier *Qualifier, 800b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall SourceRange QualifierRange) { 801b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (Qualifier) { 802b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Make sure the extended decl info is allocated. 803b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (!hasExtInfo()) { 804b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Save (non-extended) type source info pointer. 805b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall TypeSourceInfo *savedTInfo = DeclInfo.get<TypeSourceInfo*>(); 806b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Allocate external info struct. 807b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall DeclInfo = new (getASTContext()) ExtInfo; 808b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Restore savedTInfo into (extended) decl info. 809b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall getExtInfo()->TInfo = savedTInfo; 810b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall } 811b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Set qualifier info. 812b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall getExtInfo()->NNS = Qualifier; 813b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall getExtInfo()->NNSRange = QualifierRange; 814b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall } 815b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall else { 816b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Here Qualifier == 0, i.e., we are removing the qualifier (if any). 817b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall assert(QualifierRange.isInvalid()); 818b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (hasExtInfo()) { 819b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Save type source info pointer. 820b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall TypeSourceInfo *savedTInfo = getExtInfo()->TInfo; 821b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Deallocate the extended decl info. 822b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall getASTContext().Deallocate(getExtInfo()); 823b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Restore savedTInfo into (non-extended) decl info. 824b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall DeclInfo = savedTInfo; 825b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall } 826b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall } 827b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall} 828b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 8291693e154bef16ca060b5e3786d8528ddc11f5637Douglas GregorSourceLocation DeclaratorDecl::getOuterLocStart() const { 8301693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor return getTemplateOrInnerLocStart(this); 8311693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor} 8321693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor 8339b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnaravoid 834c722ea4fbf886d6460b256b5e819a4ee751d5fffDouglas GregorQualifierInfo::setTemplateParameterListsInfo(ASTContext &Context, 835c722ea4fbf886d6460b256b5e819a4ee751d5fffDouglas Gregor unsigned NumTPLists, 8369b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara TemplateParameterList **TPLists) { 8379b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara assert((NumTPLists == 0 || TPLists != 0) && 8389b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara "Empty array of template parameters with positive size!"); 8399b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara assert((NumTPLists == 0 || NNS) && 8409b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara "Nonempty array of template parameters with no qualifier!"); 8419b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara 8429b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara // Free previous template parameters (if any). 8439b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara if (NumTemplParamLists > 0) { 844c722ea4fbf886d6460b256b5e819a4ee751d5fffDouglas Gregor Context.Deallocate(TemplParamLists); 8459b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara TemplParamLists = 0; 8469b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara NumTemplParamLists = 0; 8479b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara } 8489b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara // Set info on matched template parameter lists (if any). 8499b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara if (NumTPLists > 0) { 850c722ea4fbf886d6460b256b5e819a4ee751d5fffDouglas Gregor TemplParamLists = new (Context) TemplateParameterList*[NumTPLists]; 8519b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara NumTemplParamLists = NumTPLists; 8529b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara for (unsigned i = NumTPLists; i-- > 0; ) 8539b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara TemplParamLists[i] = TPLists[i]; 8549b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara } 8559b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara} 8569b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara 857a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis//===----------------------------------------------------------------------===// 85899f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes// VarDecl Implementation 85999f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes//===----------------------------------------------------------------------===// 86099f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes 8617783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlconst char *VarDecl::getStorageClassSpecifierString(StorageClass SC) { 8627783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl switch (SC) { 863d931b086984257de68868a64a235c2b4b34003fbJohn McCall case SC_None: break; 864d931b086984257de68868a64a235c2b4b34003fbJohn McCall case SC_Auto: return "auto"; break; 865d931b086984257de68868a64a235c2b4b34003fbJohn McCall case SC_Extern: return "extern"; break; 866d931b086984257de68868a64a235c2b4b34003fbJohn McCall case SC_PrivateExtern: return "__private_extern__"; break; 867d931b086984257de68868a64a235c2b4b34003fbJohn McCall case SC_Register: return "register"; break; 868d931b086984257de68868a64a235c2b4b34003fbJohn McCall case SC_Static: return "static"; break; 8697783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl } 8707783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 8717783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl assert(0 && "Invalid storage class"); 8727783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return 0; 8737783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 8747783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 8754afa39deaa245592977136d367251ee2c173dd8dDouglas GregorVarDecl *VarDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L, 876a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall IdentifierInfo *Id, QualType T, TypeSourceInfo *TInfo, 87716573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor StorageClass S, StorageClass SCAsWritten) { 87816573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor return new (C) VarDecl(Var, DC, L, Id, T, TInfo, S, SCAsWritten); 87999f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes} 88099f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes 8811693e154bef16ca060b5e3786d8528ddc11f5637Douglas GregorSourceLocation VarDecl::getInnerLocStart() const { 88233e9abd21083a0191a7676a04b497006d2da184dDouglas Gregor SourceLocation Start = getTypeSpecStartLoc(); 88333e9abd21083a0191a7676a04b497006d2da184dDouglas Gregor if (Start.isInvalid()) 88433e9abd21083a0191a7676a04b497006d2da184dDouglas Gregor Start = getLocation(); 8851693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor return Start; 8861693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor} 8871693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor 8881693e154bef16ca060b5e3786d8528ddc11f5637Douglas GregorSourceRange VarDecl::getSourceRange() const { 88955d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis if (getInit()) 8901693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor return SourceRange(getOuterLocStart(), getInit()->getLocEnd()); 8911693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor return SourceRange(getOuterLocStart(), getLocation()); 89255d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis} 89355d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis 8947783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlbool VarDecl::isExternC() const { 8957783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl ASTContext &Context = getASTContext(); 8967783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (!Context.getLangOptions().CPlusPlus) 8977783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return (getDeclContext()->isTranslationUnit() && 898d931b086984257de68868a64a235c2b4b34003fbJohn McCall getStorageClass() != SC_Static) || 8997783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl (getDeclContext()->isFunctionOrMethod() && hasExternalStorage()); 9007783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 9017783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl for (const DeclContext *DC = getDeclContext(); !DC->isTranslationUnit(); 9027783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl DC = DC->getParent()) { 9037783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (const LinkageSpecDecl *Linkage = dyn_cast<LinkageSpecDecl>(DC)) { 9047783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (Linkage->getLanguage() == LinkageSpecDecl::lang_c) 905d931b086984257de68868a64a235c2b4b34003fbJohn McCall return getStorageClass() != SC_Static; 9067783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 9077783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl break; 9087783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl } 9097783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 9107783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (DC->isFunctionOrMethod()) 9117783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return false; 9127783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl } 9137783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 9147783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return false; 9157783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 9167783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 9177783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlVarDecl *VarDecl::getCanonicalDecl() { 9187783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return getFirstDeclaration(); 9197783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 9207783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 921e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian RedlVarDecl::DefinitionKind VarDecl::isThisDeclarationADefinition() const { 922e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // C++ [basic.def]p2: 923e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // A declaration is a definition unless [...] it contains the 'extern' 924e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // specifier or a linkage-specification and neither an initializer [...], 925e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // it declares a static data member in a class declaration [...]. 926e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // C++ [temp.expl.spec]p15: 927e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // An explicit specialization of a static data member of a template is a 928e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // definition if the declaration includes an initializer; otherwise, it is 929e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // a declaration. 930e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (isStaticDataMember()) { 931e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (isOutOfLine() && (hasInit() || 932e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl getTemplateSpecializationKind() != TSK_ExplicitSpecialization)) 933e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return Definition; 934e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl else 935e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return DeclarationOnly; 936e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl } 937e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // C99 6.7p5: 938e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // A definition of an identifier is a declaration for that identifier that 939e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // [...] causes storage to be reserved for that object. 940e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // Note: that applies for all non-file-scope objects. 941e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // C99 6.9.2p1: 942e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // If the declaration of an identifier for an object has file scope and an 943e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // initializer, the declaration is an external definition for the identifier 944e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (hasInit()) 945e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return Definition; 946e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // AST for 'extern "C" int foo;' is annotated with 'extern'. 947e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (hasExternalStorage()) 948e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return DeclarationOnly; 9492bf6d7b1f7406ca4dfe841d4f6ef4b91dce195e4Fariborz Jahanian 950d931b086984257de68868a64a235c2b4b34003fbJohn McCall if (getStorageClassAsWritten() == SC_Extern || 951d931b086984257de68868a64a235c2b4b34003fbJohn McCall getStorageClassAsWritten() == SC_PrivateExtern) { 9522bf6d7b1f7406ca4dfe841d4f6ef4b91dce195e4Fariborz Jahanian for (const VarDecl *PrevVar = getPreviousDeclaration(); 9532bf6d7b1f7406ca4dfe841d4f6ef4b91dce195e4Fariborz Jahanian PrevVar; PrevVar = PrevVar->getPreviousDeclaration()) { 9542bf6d7b1f7406ca4dfe841d4f6ef4b91dce195e4Fariborz Jahanian if (PrevVar->getLinkage() == InternalLinkage && PrevVar->hasInit()) 9552bf6d7b1f7406ca4dfe841d4f6ef4b91dce195e4Fariborz Jahanian return DeclarationOnly; 9562bf6d7b1f7406ca4dfe841d4f6ef4b91dce195e4Fariborz Jahanian } 9572bf6d7b1f7406ca4dfe841d4f6ef4b91dce195e4Fariborz Jahanian } 958e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // C99 6.9.2p2: 959e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // A declaration of an object that has file scope without an initializer, 960e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // and without a storage class specifier or the scs 'static', constitutes 961e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // a tentative definition. 962e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // No such thing in C++. 963e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (!getASTContext().getLangOptions().CPlusPlus && isFileVarDecl()) 964e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return TentativeDefinition; 965e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 966e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // What's left is (in C, block-scope) declarations without initializers or 967e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // external storage. These are definitions. 968e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return Definition; 969e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl} 970e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 971e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian RedlVarDecl *VarDecl::getActingDefinition() { 972e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl DefinitionKind Kind = isThisDeclarationADefinition(); 973e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (Kind != TentativeDefinition) 974e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return 0; 975e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 976f0ed9ef428a051bafc914b9935dcd1d1aa30cf3fChris Lattner VarDecl *LastTentative = 0; 977e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl VarDecl *First = getFirstDeclaration(); 978e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl for (redecl_iterator I = First->redecls_begin(), E = First->redecls_end(); 979e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl I != E; ++I) { 980e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl Kind = (*I)->isThisDeclarationADefinition(); 981e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (Kind == Definition) 982e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return 0; 983e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl else if (Kind == TentativeDefinition) 984e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl LastTentative = *I; 985e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl } 986e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return LastTentative; 987e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl} 988e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 989e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redlbool VarDecl::isTentativeDefinitionNow() const { 990e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl DefinitionKind Kind = isThisDeclarationADefinition(); 991e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (Kind != TentativeDefinition) 992e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return false; 993e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 994e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl for (redecl_iterator I = redecls_begin(), E = redecls_end(); I != E; ++I) { 995e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if ((*I)->isThisDeclarationADefinition() == Definition) 996e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return false; 997e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl } 99831310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl return true; 99931310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl} 100031310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl 100131310a21fb2a9f13950f864f681c86080b05d5b2Sebastian RedlVarDecl *VarDecl::getDefinition() { 1002e2c52d29e483b4167bd5d8e3265c2fb7c38fbcd5Sebastian Redl VarDecl *First = getFirstDeclaration(); 1003e2c52d29e483b4167bd5d8e3265c2fb7c38fbcd5Sebastian Redl for (redecl_iterator I = First->redecls_begin(), E = First->redecls_end(); 1004e2c52d29e483b4167bd5d8e3265c2fb7c38fbcd5Sebastian Redl I != E; ++I) { 100531310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl if ((*I)->isThisDeclarationADefinition() == Definition) 100631310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl return *I; 100731310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl } 100831310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl return 0; 1009e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl} 1010e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 1011110e8e56af30363072c140285961592b0107f789John McCallVarDecl::DefinitionKind VarDecl::hasDefinition() const { 1012110e8e56af30363072c140285961592b0107f789John McCall DefinitionKind Kind = DeclarationOnly; 1013110e8e56af30363072c140285961592b0107f789John McCall 1014110e8e56af30363072c140285961592b0107f789John McCall const VarDecl *First = getFirstDeclaration(); 1015110e8e56af30363072c140285961592b0107f789John McCall for (redecl_iterator I = First->redecls_begin(), E = First->redecls_end(); 1016110e8e56af30363072c140285961592b0107f789John McCall I != E; ++I) 1017110e8e56af30363072c140285961592b0107f789John McCall Kind = std::max(Kind, (*I)->isThisDeclarationADefinition()); 1018110e8e56af30363072c140285961592b0107f789John McCall 1019110e8e56af30363072c140285961592b0107f789John McCall return Kind; 1020110e8e56af30363072c140285961592b0107f789John McCall} 1021110e8e56af30363072c140285961592b0107f789John McCall 102231310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redlconst Expr *VarDecl::getAnyInitializer(const VarDecl *&D) const { 10237783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl redecl_iterator I = redecls_begin(), E = redecls_end(); 10247783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl while (I != E && !I->getInit()) 10257783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl ++I; 10267783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 10277783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (I != E) { 102831310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl D = *I; 10297783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return I->getInit(); 10307783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl } 10317783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return 0; 10327783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 10337783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 10341028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregorbool VarDecl::isOutOfLine() const { 10351028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor if (Decl::isOutOfLine()) 10361028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor return true; 10378761d680eaa7386e03f51286f4b84a1ffe575e2eChandler Carruth 10388761d680eaa7386e03f51286f4b84a1ffe575e2eChandler Carruth if (!isStaticDataMember()) 10398761d680eaa7386e03f51286f4b84a1ffe575e2eChandler Carruth return false; 10408761d680eaa7386e03f51286f4b84a1ffe575e2eChandler Carruth 10411028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor // If this static data member was instantiated from a static data member of 10421028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor // a class template, check whether that static data member was defined 10431028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor // out-of-line. 10441028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor if (VarDecl *VD = getInstantiatedFromStaticDataMember()) 10451028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor return VD->isOutOfLine(); 10461028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor 10471028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor return false; 10481028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor} 10491028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor 10500d03514da06dffb39a260a1228ea3fd01d196fa4Douglas GregorVarDecl *VarDecl::getOutOfLineDefinition() { 10510d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor if (!isStaticDataMember()) 10520d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor return 0; 10530d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor 10540d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor for (VarDecl::redecl_iterator RD = redecls_begin(), RDEnd = redecls_end(); 10550d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor RD != RDEnd; ++RD) { 10560d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor if (RD->getLexicalDeclContext()->isFileContext()) 10570d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor return *RD; 10580d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor } 10590d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor 10600d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor return 0; 10610d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor} 10620d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor 1063838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregorvoid VarDecl::setInit(Expr *I) { 10647783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (EvaluatedStmt *Eval = Init.dyn_cast<EvaluatedStmt *>()) { 10657783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl Eval->~EvaluatedStmt(); 1066838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor getASTContext().Deallocate(Eval); 10677783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl } 10687783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 10697783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl Init = I; 10707783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 10717783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 10721028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas GregorVarDecl *VarDecl::getInstantiatedFromStaticDataMember() const { 1073b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor if (MemberSpecializationInfo *MSI = getMemberSpecializationInfo()) 1074251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return cast<VarDecl>(MSI->getInstantiatedFrom()); 1075251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor 1076251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return 0; 1077251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor} 1078251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor 1079663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas GregorTemplateSpecializationKind VarDecl::getTemplateSpecializationKind() const { 1080e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (MemberSpecializationInfo *MSI = getMemberSpecializationInfo()) 1081251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return MSI->getTemplateSpecializationKind(); 1082251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor 1083251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return TSK_Undeclared; 1084251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor} 1085251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor 10861028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas GregorMemberSpecializationInfo *VarDecl::getMemberSpecializationInfo() const { 1087b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor return getASTContext().getInstantiatedFromStaticDataMember(this); 1088b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor} 1089b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor 10900a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregorvoid VarDecl::setTemplateSpecializationKind(TemplateSpecializationKind TSK, 10910a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor SourceLocation PointOfInstantiation) { 1092b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor MemberSpecializationInfo *MSI = getMemberSpecializationInfo(); 1093251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor assert(MSI && "Not an instantiated static data member?"); 1094251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor MSI->setTemplateSpecializationKind(TSK); 10950a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor if (TSK != TSK_ExplicitSpecialization && 10960a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor PointOfInstantiation.isValid() && 10970a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor MSI->getPointOfInstantiation().isInvalid()) 10980a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor MSI->setPointOfInstantiation(PointOfInstantiation); 10997caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 11007caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 11017783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 11027783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl// ParmVarDecl Implementation 11037783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 1104275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor 11057783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlParmVarDecl *ParmVarDecl::Create(ASTContext &C, DeclContext *DC, 11067783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl SourceLocation L, IdentifierInfo *Id, 11077783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl QualType T, TypeSourceInfo *TInfo, 110816573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor StorageClass S, StorageClass SCAsWritten, 110916573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor Expr *DefArg) { 111016573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor return new (C) ParmVarDecl(ParmVar, DC, L, Id, T, TInfo, 111116573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor S, SCAsWritten, DefArg); 1112275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor} 1113275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor 11147783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlExpr *ParmVarDecl::getDefaultArg() { 11157783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl assert(!hasUnparsedDefaultArg() && "Default argument is not yet parsed!"); 11167783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl assert(!hasUninstantiatedDefaultArg() && 11177783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl "Default argument is not yet instantiated!"); 11187783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 11197783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl Expr *Arg = getInit(); 11207783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (CXXExprWithTemporaries *E = dyn_cast_or_null<CXXExprWithTemporaries>(Arg)) 11217783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return E->getSubExpr(); 11227783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 11237783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return Arg; 11247783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 11257783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 11267783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlunsigned ParmVarDecl::getNumDefaultArgTemporaries() const { 11277783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (const CXXExprWithTemporaries *E = 11287783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl dyn_cast<CXXExprWithTemporaries>(getInit())) 11297783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return E->getNumTemporaries(); 1130275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor 1131c37929c9e0dba89770dc5f0fbcfa0c9046da0b06Argyrios Kyrtzidis return 0; 1132275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor} 1133275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor 11347783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlCXXTemporary *ParmVarDecl::getDefaultArgTemporary(unsigned i) { 11357783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl assert(getNumDefaultArgTemporaries() && 11367783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl "Default arguments does not have any temporaries!"); 11377783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 11387783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl CXXExprWithTemporaries *E = cast<CXXExprWithTemporaries>(getInit()); 11397783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return E->getTemporary(i); 11407783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 11417783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 11427783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlSourceRange ParmVarDecl::getDefaultArgRange() const { 11437783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (const Expr *E = getInit()) 11447783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return E->getSourceRange(); 11457783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 11467783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (hasUninstantiatedDefaultArg()) 11477783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return getUninstantiatedDefaultArg()->getSourceRange(); 11487783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 11497783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return SourceRange(); 1150fc7e2a8fbb08f0f496ac6cea0721fe72db8ce240Argyrios Kyrtzidis} 1151fc7e2a8fbb08f0f496ac6cea0721fe72db8ce240Argyrios Kyrtzidis 115299f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes//===----------------------------------------------------------------------===// 11538a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner// FunctionDecl Implementation 11548a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner//===----------------------------------------------------------------------===// 11558a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner 1156136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCallvoid FunctionDecl::getNameForDiagnostic(std::string &S, 1157136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall const PrintingPolicy &Policy, 1158136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall bool Qualified) const { 1159136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall NamedDecl::getNameForDiagnostic(S, Policy, Qualified); 1160136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall const TemplateArgumentList *TemplateArgs = getTemplateSpecializationArgs(); 1161136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall if (TemplateArgs) 1162136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall S += TemplateSpecializationType::PrintTemplateArgumentList( 1163910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgs->data(), 1164910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgs->size(), 1165136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall Policy); 1166136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall 1167136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall} 116827f8a28bee33bb0e857cfe1a61c281bbc234b338Ted Kremenek 11699498d388810d284d3970aef0d69fa4d069fd6cafTed Kremenekbool FunctionDecl::isVariadic() const { 11709498d388810d284d3970aef0d69fa4d069fd6cafTed Kremenek if (const FunctionProtoType *FT = getType()->getAs<FunctionProtoType>()) 11719498d388810d284d3970aef0d69fa4d069fd6cafTed Kremenek return FT->isVariadic(); 11729498d388810d284d3970aef0d69fa4d069fd6cafTed Kremenek return false; 11739498d388810d284d3970aef0d69fa4d069fd6cafTed Kremenek} 11749498d388810d284d3970aef0d69fa4d069fd6cafTed Kremenek 117506a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidisbool FunctionDecl::hasBody(const FunctionDecl *&Definition) const { 117606a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis for (redecl_iterator I = redecls_begin(), E = redecls_end(); I != E; ++I) { 117706a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis if (I->Body) { 117806a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis Definition = *I; 117906a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis return true; 118006a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis } 118106a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis } 118206a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis 118306a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis return false; 118406a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis} 118506a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis 11866fb0aee4f9dc261bbec72e1283ad8dc0557a6d96Argyrios KyrtzidisStmt *FunctionDecl::getBody(const FunctionDecl *&Definition) const { 1187c37929c9e0dba89770dc5f0fbcfa0c9046da0b06Argyrios Kyrtzidis for (redecl_iterator I = redecls_begin(), E = redecls_end(); I != E; ++I) { 1188c37929c9e0dba89770dc5f0fbcfa0c9046da0b06Argyrios Kyrtzidis if (I->Body) { 1189c37929c9e0dba89770dc5f0fbcfa0c9046da0b06Argyrios Kyrtzidis Definition = *I; 1190c37929c9e0dba89770dc5f0fbcfa0c9046da0b06Argyrios Kyrtzidis return I->Body.get(getASTContext().getExternalSource()); 1191f009795057dc8ca254f5618c80a0a90f07cd44b4Douglas Gregor } 1192f009795057dc8ca254f5618c80a0a90f07cd44b4Douglas Gregor } 1193f009795057dc8ca254f5618c80a0a90f07cd44b4Douglas Gregor 1194f009795057dc8ca254f5618c80a0a90f07cd44b4Douglas Gregor return 0; 11955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 11965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 119755d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidisvoid FunctionDecl::setBody(Stmt *B) { 119855d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis Body = B; 11991a5364e0fa0482d8d477d6f136d52e503bbe13f4Argyrios Kyrtzidis if (B) 120055d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis EndRangeLoc = B->getLocEnd(); 120155d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis} 120255d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis 12032138664dd2cff39de52ff11ca35f653c20b2e4b0Douglas Gregorvoid FunctionDecl::setPure(bool P) { 12042138664dd2cff39de52ff11ca35f653c20b2e4b0Douglas Gregor IsPure = P; 12052138664dd2cff39de52ff11ca35f653c20b2e4b0Douglas Gregor if (P) 12062138664dd2cff39de52ff11ca35f653c20b2e4b0Douglas Gregor if (CXXRecordDecl *Parent = dyn_cast<CXXRecordDecl>(getDeclContext())) 12072138664dd2cff39de52ff11ca35f653c20b2e4b0Douglas Gregor Parent->markedVirtualFunctionPure(); 12082138664dd2cff39de52ff11ca35f653c20b2e4b0Douglas Gregor} 12092138664dd2cff39de52ff11ca35f653c20b2e4b0Douglas Gregor 121048a83b5e7ae4051c7c11680ac00c1fa02d610a62Douglas Gregorbool FunctionDecl::isMain() const { 121148a83b5e7ae4051c7c11680ac00c1fa02d610a62Douglas Gregor ASTContext &Context = getASTContext(); 121207a5c22bb6fb0674c95205ae189365bf8e1b695eJohn McCall return !Context.getLangOptions().Freestanding && 12137a126a474fdde06382b315b4e3d8ef0a21d4dc31Sebastian Redl getDeclContext()->getRedeclContext()->isTranslationUnit() && 121404495c859f81e440748a9b86baa2913461652bb0Douglas Gregor getIdentifier() && getIdentifier()->isStr("main"); 121504495c859f81e440748a9b86baa2913461652bb0Douglas Gregor} 121604495c859f81e440748a9b86baa2913461652bb0Douglas Gregor 121748a83b5e7ae4051c7c11680ac00c1fa02d610a62Douglas Gregorbool FunctionDecl::isExternC() const { 121848a83b5e7ae4051c7c11680ac00c1fa02d610a62Douglas Gregor ASTContext &Context = getASTContext(); 12196393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor // In C, any non-static, non-overloadable function has external 12206393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor // linkage. 12216393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor if (!Context.getLangOptions().CPlusPlus) 1222d931b086984257de68868a64a235c2b4b34003fbJohn McCall return getStorageClass() != SC_Static && !getAttr<OverloadableAttr>(); 12236393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor 12241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (const DeclContext *DC = getDeclContext(); !DC->isTranslationUnit(); 12256393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor DC = DC->getParent()) { 12266393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor if (const LinkageSpecDecl *Linkage = dyn_cast<LinkageSpecDecl>(DC)) { 12276393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor if (Linkage->getLanguage() == LinkageSpecDecl::lang_c) 1228d931b086984257de68868a64a235c2b4b34003fbJohn McCall return getStorageClass() != SC_Static && 122940b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis !getAttr<OverloadableAttr>(); 12306393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor 12316393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor break; 12326393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor } 123345975531e3e93033b41e04974340e4e8f7481d61Douglas Gregor 123445975531e3e93033b41e04974340e4e8f7481d61Douglas Gregor if (DC->isRecord()) 123545975531e3e93033b41e04974340e4e8f7481d61Douglas Gregor break; 12366393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor } 12376393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor 12380bab54cf82cd679152197c7a2eb938f8aa9f07ddDouglas Gregor return isMain(); 12396393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor} 12406393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor 12418499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregorbool FunctionDecl::isGlobal() const { 12428499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor if (const CXXMethodDecl *Method = dyn_cast<CXXMethodDecl>(this)) 12438499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor return Method->isStatic(); 12448499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor 1245d931b086984257de68868a64a235c2b4b34003fbJohn McCall if (getStorageClass() == SC_Static) 12468499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor return false; 12478499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor 12481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (const DeclContext *DC = getDeclContext(); 12498499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor DC->isNamespace(); 12508499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor DC = DC->getParent()) { 12518499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor if (const NamespaceDecl *Namespace = cast<NamespaceDecl>(DC)) { 12528499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor if (!Namespace->getDeclName()) 12538499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor return false; 12548499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor break; 12558499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor } 12568499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor } 12578499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor 12588499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor return true; 12598499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor} 12608499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor 12617783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlvoid 12627783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlFunctionDecl::setPreviousDeclaration(FunctionDecl *PrevDecl) { 12637783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl redeclarable_base::setPreviousDeclaration(PrevDecl); 12647783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 12657783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (FunctionTemplateDecl *FunTmpl = getDescribedFunctionTemplate()) { 12667783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl FunctionTemplateDecl *PrevFunTmpl 12677783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl = PrevDecl? PrevDecl->getDescribedFunctionTemplate() : 0; 12687783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl assert((!PrevDecl || PrevFunTmpl) && "Function/function template mismatch"); 12697783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl FunTmpl->setPreviousDeclaration(PrevFunTmpl); 12707783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl } 12717783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 12727783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 12737783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlconst FunctionDecl *FunctionDecl::getCanonicalDecl() const { 12747783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return getFirstDeclaration(); 12757783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 12767783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 12777783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlFunctionDecl *FunctionDecl::getCanonicalDecl() { 12787783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return getFirstDeclaration(); 12797783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 12807783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 12813e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// \brief Returns a value indicating whether this function 12823e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// corresponds to a builtin function. 12833e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// 12843e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// The function corresponds to a built-in function if it is 12853e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// declared at translation scope or within an extern "C" block and 12863e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// its name matches with the name of a builtin. The returned value 12873e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// will be 0 for functions that do not correspond to a builtin, a 12881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// value of type \c Builtin::ID if in the target-independent range 12893e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// \c [1,Builtin::First), or a target-specific builtin value. 12907814e6d6645d587891293d59ecf6576defcfac92Douglas Gregorunsigned FunctionDecl::getBuiltinID() const { 12917814e6d6645d587891293d59ecf6576defcfac92Douglas Gregor ASTContext &Context = getASTContext(); 12923c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor if (!getIdentifier() || !getIdentifier()->getBuiltinID()) 12933c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor return 0; 12943c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor 12953c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor unsigned BuiltinID = getIdentifier()->getBuiltinID(); 12963c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor if (!Context.BuiltinInfo.isPredefinedLibFunction(BuiltinID)) 12973c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor return BuiltinID; 12983c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor 12993c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // This function has the name of a known C library 13003c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // function. Determine whether it actually refers to the C library 13013c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // function or whether it just has the same name. 13023c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor 13039add31798f621f843233dbff8bba103fca64447bDouglas Gregor // If this is a static function, it's not a builtin. 1304d931b086984257de68868a64a235c2b4b34003fbJohn McCall if (getStorageClass() == SC_Static) 13059add31798f621f843233dbff8bba103fca64447bDouglas Gregor return 0; 13069add31798f621f843233dbff8bba103fca64447bDouglas Gregor 13073c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // If this function is at translation-unit scope and we're not in 13083c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // C++, it refers to the C library function. 13093c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor if (!Context.getLangOptions().CPlusPlus && 13103c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor getDeclContext()->isTranslationUnit()) 13113c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor return BuiltinID; 13123c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor 13133c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // If the function is in an extern "C" linkage specification and is 13143c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // not marked "overloadable", it's the real function. 13153c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor if (isa<LinkageSpecDecl>(getDeclContext()) && 13161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump cast<LinkageSpecDecl>(getDeclContext())->getLanguage() 13173c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor == LinkageSpecDecl::lang_c && 131840b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis !getAttr<OverloadableAttr>()) 13193c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor return BuiltinID; 13203c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor 13213c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // Not a builtin 13223e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor return 0; 13233e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor} 13243e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor 13253e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor 13261ad9b28e3217c2349a04f3d3bf14f9c73a99afa7Chris Lattner/// getNumParams - Return the number of parameters this function must have 13272dbd285f5033ca6dea25babfd1c43d9fec35e7e5Chris Lattner/// based on its FunctionType. This is the length of the PararmInfo array 13281ad9b28e3217c2349a04f3d3bf14f9c73a99afa7Chris Lattner/// after it has been created. 13291ad9b28e3217c2349a04f3d3bf14f9c73a99afa7Chris Lattnerunsigned FunctionDecl::getNumParams() const { 1330183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *FT = getType()->getAs<FunctionType>(); 133172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor if (isa<FunctionNoProtoType>(FT)) 1332d3b9065ec7052ec4741783d2fb4130d13c766933Chris Lattner return 0; 133372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return cast<FunctionProtoType>(FT)->getNumArgs(); 13341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 13365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13376b5415196327fa8ef00f028ba175fafef1738ae1Argyrios Kyrtzidisvoid FunctionDecl::setParams(ASTContext &C, 13386b5415196327fa8ef00f028ba175fafef1738ae1Argyrios Kyrtzidis ParmVarDecl **NewParamInfo, unsigned NumParams) { 13395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(ParamInfo == 0 && "Already has param info!"); 13402dbd285f5033ca6dea25babfd1c43d9fec35e7e5Chris Lattner assert(NumParams == getNumParams() && "Parameter count mismatch!"); 13411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Zero params -> null pointer. 13435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (NumParams) { 13446b5415196327fa8ef00f028ba175fafef1738ae1Argyrios Kyrtzidis void *Mem = C.Allocate(sizeof(ParmVarDecl*)*NumParams); 1345fc767615bc67d3a7587b1fb2e0494c32c9dbd7a5Ted Kremenek ParamInfo = new (Mem) ParmVarDecl*[NumParams]; 13465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer memcpy(ParamInfo, NewParamInfo, sizeof(ParmVarDecl*)*NumParams); 134755d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis 134896888cc2515e55c9b5dd6798063bf4be2c22983aArgyrios Kyrtzidis // Update source range. The check below allows us to set EndRangeLoc before 134996888cc2515e55c9b5dd6798063bf4be2c22983aArgyrios Kyrtzidis // setting the parameters. 1350cb5f8f59322c352f51714c3de5d8047e70895165Argyrios Kyrtzidis if (EndRangeLoc.isInvalid() || EndRangeLoc == getLocation()) 135155d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis EndRangeLoc = NewParamInfo[NumParams-1]->getLocEnd(); 13525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 13545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13558123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner/// getMinRequiredArguments - Returns the minimum number of arguments 13568123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner/// needed to call this function. This may be fewer than the number of 13578123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner/// function parameters, if some of the parameters have default 13589e979557eea3875c9e3d100c68188233dd7f46c0Chris Lattner/// arguments (in C++). 13598123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattnerunsigned FunctionDecl::getMinRequiredArguments() const { 13608123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner unsigned NumRequiredArgs = getNumParams(); 13618123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner while (NumRequiredArgs > 0 1362ae0b4e7be78cf0dc2a6a333e865c2be9265774f9Anders Carlsson && getParamDecl(NumRequiredArgs-1)->hasDefaultArg()) 13638123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner --NumRequiredArgs; 13648123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner 13658123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner return NumRequiredArgs; 13668123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner} 13678123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner 13687ced9c8529b734e313f62a3b81189d6f402f6713Douglas Gregorbool FunctionDecl::isInlined() const { 136948eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson // FIXME: This is not enough. Consider: 137048eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson // 137148eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson // inline void f(); 137248eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson // void f() { } 137348eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson // 137448eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson // f is inlined, but does not have inline specified. 137548eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson // To fix this we should add an 'inline' flag to FunctionDecl. 137648eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson if (isInlineSpecified()) 13777d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor return true; 137848eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson 137948eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson if (isa<CXXMethodDecl>(this)) { 138048eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson if (!isOutOfLine() || getCanonicalDecl()->isInlineSpecified()) 138148eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson return true; 138248eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson } 13837d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor 13847d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor switch (getTemplateSpecializationKind()) { 13857d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor case TSK_Undeclared: 13867d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor case TSK_ExplicitSpecialization: 13877d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor return false; 13887d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor 13897d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor case TSK_ImplicitInstantiation: 13907d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor case TSK_ExplicitInstantiationDeclaration: 13917d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor case TSK_ExplicitInstantiationDefinition: 13927d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor // Handle below. 13937d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor break; 13947d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor } 13957d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor 13967d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor const FunctionDecl *PatternDecl = getTemplateInstantiationPattern(); 139706a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis bool HasPattern = false; 13987d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor if (PatternDecl) 139906a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis HasPattern = PatternDecl->hasBody(PatternDecl); 14007d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor 140106a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis if (HasPattern && PatternDecl) 14027d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor return PatternDecl->isInlined(); 14037d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor 14047d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor return false; 14057ced9c8529b734e313f62a3b81189d6f402f6713Douglas Gregor} 14067ced9c8529b734e313f62a3b81189d6f402f6713Douglas Gregor 14077d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor/// \brief For an inline function definition in C or C++, determine whether the 14081fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// definition will be externally visible. 14091fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// 14101fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// Inline function definitions are always available for inlining optimizations. 14111fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// However, depending on the language dialect, declaration specifiers, and 14121fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// attributes, the definition of an inline function may or may not be 14131fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// "externally" visible to other translation units in the program. 14141fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// 14151fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// In C99, inline definitions are not externally visible by default. However, 14161e5fd7f8e90e0953e5c59cbbbc130633d84a1e37Mike Stump/// if even one of the global-scope declarations is marked "extern inline", the 14171fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// inline definition becomes externally visible (C99 6.7.4p6). 14181fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// 14191fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// In GNU89 mode, or if the gnu_inline attribute is attached to the function 14201fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// definition, we use the GNU semantics for inline, which are nearly the 14211fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// opposite of C99 semantics. In particular, "inline" by itself will create 14221fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// an externally visible symbol, but "extern inline" will not create an 14231fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// externally visible symbol. 14241fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregorbool FunctionDecl::isInlineDefinitionExternallyVisible() const { 14251fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor assert(isThisDeclarationADefinition() && "Must have the function definition"); 14267ced9c8529b734e313f62a3b81189d6f402f6713Douglas Gregor assert(isInlined() && "Function must be inline"); 14277d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor ASTContext &Context = getASTContext(); 14281fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor 14297d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor if (!Context.getLangOptions().C99 || hasAttr<GNUInlineAttr>()) { 14301fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // GNU inline semantics. Based on a number of examples, we came up with the 14311fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // following heuristic: if the "inline" keyword is present on a 14321fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // declaration of the function but "extern" is not present on that 14331fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // declaration, then the symbol is externally visible. Otherwise, the GNU 14341fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // "extern inline" semantics applies and the symbol is not externally 14351fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // visible. 14361fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor for (redecl_iterator Redecl = redecls_begin(), RedeclEnd = redecls_end(); 14371fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor Redecl != RedeclEnd; 14381fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor ++Redecl) { 1439d931b086984257de68868a64a235c2b4b34003fbJohn McCall if (Redecl->isInlineSpecified() && Redecl->getStorageClass() != SC_Extern) 14401fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor return true; 14411fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor } 14421fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor 14431fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // GNU "extern inline" semantics; no externally visible symbol. 14449f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor return false; 14451fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor } 14461fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor 14471fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // C99 6.7.4p6: 14481fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // [...] If all of the file scope declarations for a function in a 14491fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // translation unit include the inline function specifier without extern, 14501fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // then the definition in that translation unit is an inline definition. 14511fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor for (redecl_iterator Redecl = redecls_begin(), RedeclEnd = redecls_end(); 14521fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor Redecl != RedeclEnd; 14531fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor ++Redecl) { 14541fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // Only consider file-scope declarations in this test. 14551fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor if (!Redecl->getLexicalDeclContext()->isTranslationUnit()) 14561fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor continue; 14571fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor 1458d931b086984257de68868a64a235c2b4b34003fbJohn McCall if (!Redecl->isInlineSpecified() || Redecl->getStorageClass() == SC_Extern) 14591fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor return true; // Not an inline definition 14601fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor } 14611fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor 14621fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // C99 6.7.4p6: 14631fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // An inline definition does not provide an external definition for the 14641fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // function, and does not forbid an external definition in another 14651fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // translation unit. 14669f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor return false; 14679f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor} 14689f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor 14691cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// getOverloadedOperator - Which C++ overloaded operator this 14701cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// function represents, if any. 14711cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas GregorOverloadedOperatorKind FunctionDecl::getOverloadedOperator() const { 1472e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor if (getDeclName().getNameKind() == DeclarationName::CXXOperatorName) 1473e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor return getDeclName().getCXXOverloadedOperator(); 14741cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor else 14751cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor return OO_None; 14761cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor} 14771cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 1478a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt/// getLiteralIdentifier - The literal suffix identifier this function 1479a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt/// represents, if any. 1480a6c058dd75c5563cced821fc16766a7cc179e00cSean Huntconst IdentifierInfo *FunctionDecl::getLiteralIdentifier() const { 1481a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt if (getDeclName().getNameKind() == DeclarationName::CXXLiteralOperatorName) 1482a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt return getDeclName().getCXXLiteralIdentifier(); 1483a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt else 1484a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt return 0; 1485a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt} 1486a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt 1487d0913557c800c8a712fb554032a833619f23bc56Argyrios KyrtzidisFunctionDecl::TemplatedKind FunctionDecl::getTemplatedKind() const { 1488d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis if (TemplateOrSpecialization.isNull()) 1489d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis return TK_NonTemplate; 1490d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis if (TemplateOrSpecialization.is<FunctionTemplateDecl *>()) 1491d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis return TK_FunctionTemplate; 1492d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis if (TemplateOrSpecialization.is<MemberSpecializationInfo *>()) 1493d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis return TK_MemberSpecialization; 1494d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis if (TemplateOrSpecialization.is<FunctionTemplateSpecializationInfo *>()) 1495d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis return TK_FunctionTemplateSpecialization; 1496d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis if (TemplateOrSpecialization.is 1497d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis <DependentFunctionTemplateSpecializationInfo*>()) 1498d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis return TK_DependentFunctionTemplateSpecialization; 1499d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis 1500d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis assert(false && "Did we miss a TemplateOrSpecialization type?"); 1501d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis return TK_NonTemplate; 1502d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis} 1503d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis 15042db323294ac02296125e1e0beb4c3595992e75bbDouglas GregorFunctionDecl *FunctionDecl::getInstantiatedFromMemberFunction() const { 1505b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor if (MemberSpecializationInfo *Info = getMemberSpecializationInfo()) 15062db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor return cast<FunctionDecl>(Info->getInstantiatedFrom()); 15072db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor 15082db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor return 0; 15092db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor} 15102db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor 1511b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas GregorMemberSpecializationInfo *FunctionDecl::getMemberSpecializationInfo() const { 1512b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor return TemplateOrSpecialization.dyn_cast<MemberSpecializationInfo*>(); 1513b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor} 1514b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor 15152db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregorvoid 15166b5415196327fa8ef00f028ba175fafef1738ae1Argyrios KyrtzidisFunctionDecl::setInstantiationOfMemberFunction(ASTContext &C, 15176b5415196327fa8ef00f028ba175fafef1738ae1Argyrios Kyrtzidis FunctionDecl *FD, 15182db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor TemplateSpecializationKind TSK) { 15192db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor assert(TemplateOrSpecialization.isNull() && 15202db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor "Member function is already a specialization"); 15212db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor MemberSpecializationInfo *Info 15226b5415196327fa8ef00f028ba175fafef1738ae1Argyrios Kyrtzidis = new (C) MemberSpecializationInfo(FD, TSK); 15232db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor TemplateOrSpecialization = Info; 15242db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor} 15252db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor 15263b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregorbool FunctionDecl::isImplicitlyInstantiable() const { 15276cfacfe54c75baa4d67f1fbdf4f80644b662818eDouglas Gregor // If the function is invalid, it can't be implicitly instantiated. 15286cfacfe54c75baa4d67f1fbdf4f80644b662818eDouglas Gregor if (isInvalidDecl()) 15293b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return false; 15303b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 15313b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor switch (getTemplateSpecializationKind()) { 15323b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor case TSK_Undeclared: 15333b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor case TSK_ExplicitSpecialization: 15343b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor case TSK_ExplicitInstantiationDefinition: 15353b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return false; 15363b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 15373b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor case TSK_ImplicitInstantiation: 15383b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return true; 15393b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 15403b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor case TSK_ExplicitInstantiationDeclaration: 15413b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // Handled below. 15423b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor break; 15433b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor } 15443b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 15453b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // Find the actual template from which we will instantiate. 15463b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor const FunctionDecl *PatternDecl = getTemplateInstantiationPattern(); 154706a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis bool HasPattern = false; 15483b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor if (PatternDecl) 154906a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis HasPattern = PatternDecl->hasBody(PatternDecl); 15503b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 15513b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // C++0x [temp.explicit]p9: 15523b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // Except for inline functions, other explicit instantiation declarations 15533b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // have the effect of suppressing the implicit instantiation of the entity 15543b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // to which they refer. 155506a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis if (!HasPattern || !PatternDecl) 15563b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return true; 15573b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 15587ced9c8529b734e313f62a3b81189d6f402f6713Douglas Gregor return PatternDecl->isInlined(); 15593b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor} 15603b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 15613b846b6c252972a6f142aa226c1e65aebd0feecaDouglas GregorFunctionDecl *FunctionDecl::getTemplateInstantiationPattern() const { 15623b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor if (FunctionTemplateDecl *Primary = getPrimaryTemplate()) { 15633b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor while (Primary->getInstantiatedFromMemberTemplate()) { 15643b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // If we have hit a point where the user provided a specialization of 15653b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // this template, we're done looking. 15663b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor if (Primary->isMemberSpecialization()) 15673b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor break; 15683b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 15693b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor Primary = Primary->getInstantiatedFromMemberTemplate(); 15703b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor } 15713b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 15723b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return Primary->getTemplatedDecl(); 15733b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor } 15743b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 15753b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return getInstantiatedFromMemberFunction(); 15763b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor} 15773b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 157816e8be2ac532358d4e413fdfa2643b1876edda78Douglas GregorFunctionTemplateDecl *FunctionDecl::getPrimaryTemplate() const { 15791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionTemplateSpecializationInfo *Info 158016e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor = TemplateOrSpecialization 158116e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor .dyn_cast<FunctionTemplateSpecializationInfo*>()) { 15821fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor return Info->Template.getPointer(); 158316e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor } 158416e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor return 0; 158516e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor} 158616e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor 158716e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregorconst TemplateArgumentList * 158816e8be2ac532358d4e413fdfa2643b1876edda78Douglas GregorFunctionDecl::getTemplateSpecializationArgs() const { 15891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionTemplateSpecializationInfo *Info 1590fd056bc86a8b22a9421b5d921bbca276d0f9d0f7Douglas Gregor = TemplateOrSpecialization 1591fd056bc86a8b22a9421b5d921bbca276d0f9d0f7Douglas Gregor .dyn_cast<FunctionTemplateSpecializationInfo*>()) { 159216e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor return Info->TemplateArguments; 159316e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor } 159416e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor return 0; 159516e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor} 159616e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor 1597e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnaraconst TemplateArgumentListInfo * 1598e03db98d67111ebf7622d9086951aacc24406b66Abramo BagnaraFunctionDecl::getTemplateSpecializationArgsAsWritten() const { 1599e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara if (FunctionTemplateSpecializationInfo *Info 1600e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara = TemplateOrSpecialization 1601e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara .dyn_cast<FunctionTemplateSpecializationInfo*>()) { 1602e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara return Info->TemplateArgumentsAsWritten; 1603e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara } 1604e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara return 0; 1605e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara} 1606e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara 16071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 16086b5415196327fa8ef00f028ba175fafef1738ae1Argyrios KyrtzidisFunctionDecl::setFunctionTemplateSpecialization(ASTContext &C, 16096b5415196327fa8ef00f028ba175fafef1738ae1Argyrios Kyrtzidis FunctionTemplateDecl *Template, 1610127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor const TemplateArgumentList *TemplateArgs, 1611b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor void *InsertPos, 1612e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara TemplateSpecializationKind TSK, 16137b081c8604efd33bc7f7e5c1e9427a031eedb2b4Argyrios Kyrtzidis const TemplateArgumentListInfo *TemplateArgsAsWritten, 16147b081c8604efd33bc7f7e5c1e9427a031eedb2b4Argyrios Kyrtzidis SourceLocation PointOfInstantiation) { 1615b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor assert(TSK != TSK_Undeclared && 1616b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor "Must specify the type of function template specialization"); 16171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FunctionTemplateSpecializationInfo *Info 161816e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor = TemplateOrSpecialization.dyn_cast<FunctionTemplateSpecializationInfo*>(); 16191637be727f2a0434c1ed7aa385ea1c18328b0ccdDouglas Gregor if (!Info) 1620a626a3d0fb74455651f742c0938902a42e6e71c8Argyrios Kyrtzidis Info = FunctionTemplateSpecializationInfo::Create(C, this, Template, TSK, 1621a626a3d0fb74455651f742c0938902a42e6e71c8Argyrios Kyrtzidis TemplateArgs, 1622a626a3d0fb74455651f742c0938902a42e6e71c8Argyrios Kyrtzidis TemplateArgsAsWritten, 1623a626a3d0fb74455651f742c0938902a42e6e71c8Argyrios Kyrtzidis PointOfInstantiation); 16241637be727f2a0434c1ed7aa385ea1c18328b0ccdDouglas Gregor TemplateOrSpecialization = Info; 16251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1626127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor // Insert this function template specialization into the set of known 1627b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor // function template specializations. 1628b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor if (InsertPos) 1629b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor Template->getSpecializations().InsertNode(Info, InsertPos); 1630b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor else { 16312c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis // Try to insert the new node. If there is an existing node, leave it, the 16322c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis // set will contain the canonical decls while 16332c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis // FunctionTemplateDecl::findSpecialization will return 16342c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis // the most recent redeclarations. 1635b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor FunctionTemplateSpecializationInfo *Existing 1636b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor = Template->getSpecializations().GetOrInsertNode(Info); 16372c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis (void)Existing; 16382c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis assert((!Existing || Existing->Function->isCanonicalDecl()) && 16392c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis "Set is supposed to only contain canonical decls"); 1640b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor } 16411637be727f2a0434c1ed7aa385ea1c18328b0ccdDouglas Gregor} 16421637be727f2a0434c1ed7aa385ea1c18328b0ccdDouglas Gregor 1643af2094e7cecadf36667deb61a83587ffdd979bd3John McCallvoid 1644af2094e7cecadf36667deb61a83587ffdd979bd3John McCallFunctionDecl::setDependentTemplateSpecialization(ASTContext &Context, 1645af2094e7cecadf36667deb61a83587ffdd979bd3John McCall const UnresolvedSetImpl &Templates, 1646af2094e7cecadf36667deb61a83587ffdd979bd3John McCall const TemplateArgumentListInfo &TemplateArgs) { 1647af2094e7cecadf36667deb61a83587ffdd979bd3John McCall assert(TemplateOrSpecialization.isNull()); 1648af2094e7cecadf36667deb61a83587ffdd979bd3John McCall size_t Size = sizeof(DependentFunctionTemplateSpecializationInfo); 1649af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Size += Templates.size() * sizeof(FunctionTemplateDecl*); 165021c0160959961b3a6ab3308608ee3fde182ecb49John McCall Size += TemplateArgs.size() * sizeof(TemplateArgumentLoc); 1651af2094e7cecadf36667deb61a83587ffdd979bd3John McCall void *Buffer = Context.Allocate(Size); 1652af2094e7cecadf36667deb61a83587ffdd979bd3John McCall DependentFunctionTemplateSpecializationInfo *Info = 1653af2094e7cecadf36667deb61a83587ffdd979bd3John McCall new (Buffer) DependentFunctionTemplateSpecializationInfo(Templates, 1654af2094e7cecadf36667deb61a83587ffdd979bd3John McCall TemplateArgs); 1655af2094e7cecadf36667deb61a83587ffdd979bd3John McCall TemplateOrSpecialization = Info; 1656af2094e7cecadf36667deb61a83587ffdd979bd3John McCall} 1657af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1658af2094e7cecadf36667deb61a83587ffdd979bd3John McCallDependentFunctionTemplateSpecializationInfo:: 1659af2094e7cecadf36667deb61a83587ffdd979bd3John McCallDependentFunctionTemplateSpecializationInfo(const UnresolvedSetImpl &Ts, 1660af2094e7cecadf36667deb61a83587ffdd979bd3John McCall const TemplateArgumentListInfo &TArgs) 1661af2094e7cecadf36667deb61a83587ffdd979bd3John McCall : AngleLocs(TArgs.getLAngleLoc(), TArgs.getRAngleLoc()) { 1662af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1663af2094e7cecadf36667deb61a83587ffdd979bd3John McCall d.NumTemplates = Ts.size(); 1664af2094e7cecadf36667deb61a83587ffdd979bd3John McCall d.NumArgs = TArgs.size(); 1665af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1666af2094e7cecadf36667deb61a83587ffdd979bd3John McCall FunctionTemplateDecl **TsArray = 1667af2094e7cecadf36667deb61a83587ffdd979bd3John McCall const_cast<FunctionTemplateDecl**>(getTemplates()); 1668af2094e7cecadf36667deb61a83587ffdd979bd3John McCall for (unsigned I = 0, E = Ts.size(); I != E; ++I) 1669af2094e7cecadf36667deb61a83587ffdd979bd3John McCall TsArray[I] = cast<FunctionTemplateDecl>(Ts[I]->getUnderlyingDecl()); 1670af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1671af2094e7cecadf36667deb61a83587ffdd979bd3John McCall TemplateArgumentLoc *ArgsArray = 1672af2094e7cecadf36667deb61a83587ffdd979bd3John McCall const_cast<TemplateArgumentLoc*>(getTemplateArgs()); 1673af2094e7cecadf36667deb61a83587ffdd979bd3John McCall for (unsigned I = 0, E = TArgs.size(); I != E; ++I) 1674af2094e7cecadf36667deb61a83587ffdd979bd3John McCall new (&ArgsArray[I]) TemplateArgumentLoc(TArgs[I]); 1675af2094e7cecadf36667deb61a83587ffdd979bd3John McCall} 1676af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1677d0e3daf2b980b505e535d35b432c938c6d0208efDouglas GregorTemplateSpecializationKind FunctionDecl::getTemplateSpecializationKind() const { 16781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // For a function template specialization, query the specialization 1679d0e3daf2b980b505e535d35b432c938c6d0208efDouglas Gregor // information object. 16802db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor FunctionTemplateSpecializationInfo *FTSInfo 16811fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor = TemplateOrSpecialization.dyn_cast<FunctionTemplateSpecializationInfo*>(); 16822db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor if (FTSInfo) 16832db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor return FTSInfo->getTemplateSpecializationKind(); 1684d0e3daf2b980b505e535d35b432c938c6d0208efDouglas Gregor 16852db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor MemberSpecializationInfo *MSInfo 16862db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor = TemplateOrSpecialization.dyn_cast<MemberSpecializationInfo*>(); 16872db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor if (MSInfo) 16882db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor return MSInfo->getTemplateSpecializationKind(); 16892db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor 16902db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor return TSK_Undeclared; 16911fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor} 16921fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor 16931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 16940a897e32a09d290aa5b375444fe33928e47168bbDouglas GregorFunctionDecl::setTemplateSpecializationKind(TemplateSpecializationKind TSK, 16950a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor SourceLocation PointOfInstantiation) { 16962db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor if (FunctionTemplateSpecializationInfo *FTSInfo 16972db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor = TemplateOrSpecialization.dyn_cast< 16980a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor FunctionTemplateSpecializationInfo*>()) { 16992db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor FTSInfo->setTemplateSpecializationKind(TSK); 17000a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor if (TSK != TSK_ExplicitSpecialization && 17010a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor PointOfInstantiation.isValid() && 17020a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor FTSInfo->getPointOfInstantiation().isInvalid()) 17030a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor FTSInfo->setPointOfInstantiation(PointOfInstantiation); 17040a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor } else if (MemberSpecializationInfo *MSInfo 17050a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor = TemplateOrSpecialization.dyn_cast<MemberSpecializationInfo*>()) { 17062db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor MSInfo->setTemplateSpecializationKind(TSK); 17070a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor if (TSK != TSK_ExplicitSpecialization && 17080a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor PointOfInstantiation.isValid() && 17090a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor MSInfo->getPointOfInstantiation().isInvalid()) 17100a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor MSInfo->setPointOfInstantiation(PointOfInstantiation); 17110a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor } else 17122db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor assert(false && "Function cannot have a template specialization kind"); 17131fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor} 17141fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor 17150a897e32a09d290aa5b375444fe33928e47168bbDouglas GregorSourceLocation FunctionDecl::getPointOfInstantiation() const { 17160a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor if (FunctionTemplateSpecializationInfo *FTSInfo 17170a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor = TemplateOrSpecialization.dyn_cast< 17180a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor FunctionTemplateSpecializationInfo*>()) 17190a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor return FTSInfo->getPointOfInstantiation(); 17200a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor else if (MemberSpecializationInfo *MSInfo 17210a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor = TemplateOrSpecialization.dyn_cast<MemberSpecializationInfo*>()) 17220a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor return MSInfo->getPointOfInstantiation(); 17230a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor 17240a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor return SourceLocation(); 17250a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor} 17260a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor 17279f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregorbool FunctionDecl::isOutOfLine() const { 17289f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor if (Decl::isOutOfLine()) 17299f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor return true; 17309f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor 17319f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor // If this function was instantiated from a member function of a 17329f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor // class template, check whether that member function was defined out-of-line. 17339f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor if (FunctionDecl *FD = getInstantiatedFromMemberFunction()) { 17349f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor const FunctionDecl *Definition; 173506a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis if (FD->hasBody(Definition)) 17369f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor return Definition->isOutOfLine(); 17379f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor } 17389f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor 17399f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor // If this function was instantiated from a function template, 17409f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor // check whether that function template was defined out-of-line. 17419f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor if (FunctionTemplateDecl *FunTmpl = getPrimaryTemplate()) { 17429f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor const FunctionDecl *Definition; 174306a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis if (FunTmpl->getTemplatedDecl()->hasBody(Definition)) 17449f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor return Definition->isOutOfLine(); 17459f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor } 17469f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor 17479f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor return false; 17489f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor} 17499f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor 17508a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner//===----------------------------------------------------------------------===// 17517783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl// FieldDecl Implementation 17527783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 17537783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 17547783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlFieldDecl *FieldDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L, 17557783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl IdentifierInfo *Id, QualType T, 17567783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl TypeSourceInfo *TInfo, Expr *BW, bool Mutable) { 17577783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) FieldDecl(Decl::Field, DC, L, Id, T, TInfo, BW, Mutable); 17587783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 17597783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 17607783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlbool FieldDecl::isAnonymousStructOrUnion() const { 17617783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (!isImplicit() || getDeclName()) 17627783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return false; 17637783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 17647783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (const RecordType *Record = getType()->getAs<RecordType>()) 17657783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return Record->getDecl()->isAnonymousStructOrUnion(); 17667783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 17677783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return false; 17687783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 17697783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 17707783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 1771bcbffc46f1ad3796c4582fa1e3a9113b5aa26061Douglas Gregor// TagDecl Implementation 17724b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek//===----------------------------------------------------------------------===// 17734b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek 17741693e154bef16ca060b5e3786d8528ddc11f5637Douglas GregorSourceLocation TagDecl::getOuterLocStart() const { 17751693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor return getTemplateOrInnerLocStart(this); 17761693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor} 17771693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor 1778f602c8b6ce1a269c0bf8b3f049e923f4ea5c18e2Argyrios KyrtzidisSourceRange TagDecl::getSourceRange() const { 1779f602c8b6ce1a269c0bf8b3f049e923f4ea5c18e2Argyrios Kyrtzidis SourceLocation E = RBraceLoc.isValid() ? RBraceLoc : getLocation(); 17801693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor return SourceRange(getOuterLocStart(), E); 1781f602c8b6ce1a269c0bf8b3f049e923f4ea5c18e2Argyrios Kyrtzidis} 1782f602c8b6ce1a269c0bf8b3f049e923f4ea5c18e2Argyrios Kyrtzidis 1783b57a4fe73b8227c0dba651818b8495dfca61e530Argyrios KyrtzidisTagDecl* TagDecl::getCanonicalDecl() { 17848e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor return getFirstDeclaration(); 1785b57a4fe73b8227c0dba651818b8495dfca61e530Argyrios Kyrtzidis} 1786b57a4fe73b8227c0dba651818b8495dfca61e530Argyrios Kyrtzidis 178760e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregorvoid TagDecl::setTypedefForAnonDecl(TypedefDecl *TDD) { 178860e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor TypedefDeclOrQualifier = TDD; 178960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor if (TypeForDecl) 179060e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor TypeForDecl->ClearLinkageCache(); 179160e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor} 179260e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 17930b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregorvoid TagDecl::startDefinition() { 1794ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl IsBeingDefined = true; 179586ff308724171494395a840fd2efbe25e62f352eJohn McCall 179686ff308724171494395a840fd2efbe25e62f352eJohn McCall if (isa<CXXRecordDecl>(this)) { 179786ff308724171494395a840fd2efbe25e62f352eJohn McCall CXXRecordDecl *D = cast<CXXRecordDecl>(this); 179886ff308724171494395a840fd2efbe25e62f352eJohn McCall struct CXXRecordDecl::DefinitionData *Data = 179986ff308724171494395a840fd2efbe25e62f352eJohn McCall new (getASTContext()) struct CXXRecordDecl::DefinitionData(D); 18002243288c4826905b5a0837f6f21d9d821688652eJohn McCall for (redecl_iterator I = redecls_begin(), E = redecls_end(); I != E; ++I) 18012243288c4826905b5a0837f6f21d9d821688652eJohn McCall cast<CXXRecordDecl>(*I)->DefinitionData = Data; 180286ff308724171494395a840fd2efbe25e62f352eJohn McCall } 18030b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor} 18040b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor 18050b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregorvoid TagDecl::completeDefinition() { 18065cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall assert((!isa<CXXRecordDecl>(this) || 18075cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall cast<CXXRecordDecl>(this)->hasDefinition()) && 18085cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall "definition completed but not started"); 18095cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall 18100b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor IsDefinition = true; 1811ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl IsBeingDefined = false; 1812565bf30bf5607b9740d288d8d9c45cf38ea75298Argyrios Kyrtzidis 1813565bf30bf5607b9740d288d8d9c45cf38ea75298Argyrios Kyrtzidis if (ASTMutationListener *L = getASTMutationListener()) 1814565bf30bf5607b9740d288d8d9c45cf38ea75298Argyrios Kyrtzidis L->CompletedTagDefinition(this); 18150b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor} 18160b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor 1817952b017601f9c82b51119c3a1600f1312a833db9Douglas GregorTagDecl* TagDecl::getDefinition() const { 18188e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor if (isDefinition()) 18198e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor return const_cast<TagDecl *>(this); 1820220a9c82dc76a83a7f930879bf176783866c0514Andrew Trick if (const CXXRecordDecl *CXXRD = dyn_cast<CXXRecordDecl>(this)) 1821220a9c82dc76a83a7f930879bf176783866c0514Andrew Trick return CXXRD->getDefinition(); 18221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (redecl_iterator R = redecls_begin(), REnd = redecls_end(); 18248e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor R != REnd; ++R) 18258e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor if (R->isDefinition()) 18268e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor return *R; 18271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18288e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor return 0; 18294b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek} 18304b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek 1831b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCallvoid TagDecl::setQualifierInfo(NestedNameSpecifier *Qualifier, 1832b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall SourceRange QualifierRange) { 1833b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (Qualifier) { 1834b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Make sure the extended qualifier info is allocated. 1835b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (!hasExtInfo()) 1836b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall TypedefDeclOrQualifier = new (getASTContext()) ExtInfo; 1837b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Set qualifier info. 1838b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall getExtInfo()->NNS = Qualifier; 1839b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall getExtInfo()->NNSRange = QualifierRange; 1840b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall } 1841b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall else { 1842b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Here Qualifier == 0, i.e., we are removing the qualifier (if any). 1843b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall assert(QualifierRange.isInvalid()); 1844b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (hasExtInfo()) { 1845b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall getASTContext().Deallocate(getExtInfo()); 1846b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall TypedefDeclOrQualifier = (TypedefDecl*) 0; 1847b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall } 1848b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall } 1849b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall} 1850b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 18514b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek//===----------------------------------------------------------------------===// 18527783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl// EnumDecl Implementation 18537783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 18547783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 18557783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlEnumDecl *EnumDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L, 18567783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl IdentifierInfo *Id, SourceLocation TKL, 18571274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor EnumDecl *PrevDecl, bool IsScoped, bool IsFixed) { 18581274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor EnumDecl *Enum = new (C) EnumDecl(DC, L, Id, PrevDecl, TKL, 18591274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor IsScoped, IsFixed); 18607783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl C.getTypeDeclType(Enum, PrevDecl); 18617783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return Enum; 18627783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 18637783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 1864b8b03e6df1cc89e701a809c6a47c41f31b7a9e50Argyrios KyrtzidisEnumDecl *EnumDecl::Create(ASTContext &C, EmptyShell Empty) { 18651274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor return new (C) EnumDecl(0, SourceLocation(), 0, 0, SourceLocation(), 18661274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor false, false); 1867b8b03e6df1cc89e701a809c6a47c41f31b7a9e50Argyrios Kyrtzidis} 1868b8b03e6df1cc89e701a809c6a47c41f31b7a9e50Argyrios Kyrtzidis 1869838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregorvoid EnumDecl::completeDefinition(QualType NewType, 18701b5a618c59025898806160ed5e7f0ff5bb79e482John McCall QualType NewPromotionType, 18711b5a618c59025898806160ed5e7f0ff5bb79e482John McCall unsigned NumPositiveBits, 18721b5a618c59025898806160ed5e7f0ff5bb79e482John McCall unsigned NumNegativeBits) { 18737783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl assert(!isDefinition() && "Cannot redefine enums!"); 18741274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor if (!IntegerType) 18751274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor IntegerType = NewType.getTypePtr(); 18767783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl PromotionType = NewPromotionType; 18771b5a618c59025898806160ed5e7f0ff5bb79e482John McCall setNumPositiveBits(NumPositiveBits); 18781b5a618c59025898806160ed5e7f0ff5bb79e482John McCall setNumNegativeBits(NumNegativeBits); 18797783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl TagDecl::completeDefinition(); 18807783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 18817783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 18827783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 18838a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner// RecordDecl Implementation 18848a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner//===----------------------------------------------------------------------===// 18855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 188635bc0821c4f80041724cd4c5c4889b2581546a41Argyrios KyrtzidisRecordDecl::RecordDecl(Kind DK, TagKind TK, DeclContext *DC, SourceLocation L, 18878e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor IdentifierInfo *Id, RecordDecl *PrevDecl, 18888e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor SourceLocation TKL) 18898e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor : TagDecl(DK, TK, DC, L, Id, PrevDecl, TKL) { 18906359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek HasFlexibleArrayMember = false; 1891bcbffc46f1ad3796c4582fa1e3a9113b5aa26061Douglas Gregor AnonymousStructOrUnion = false; 1892082b02e8403d3ee9d2ded969fbe0e5d472f04cd8Fariborz Jahanian HasObjectMember = false; 1893eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis LoadedFieldsFromExternalStorage = false; 18946359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek assert(classof(static_cast<Decl*>(this)) && "Invalid Kind!"); 18956359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek} 18966359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek 18976359792ca92e7ca2f416cb804c6604358174e994Ted KremenekRecordDecl *RecordDecl::Create(ASTContext &C, TagKind TK, DeclContext *DC, 18984b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek SourceLocation L, IdentifierInfo *Id, 1899741dd9a7e1d63e4e385b657e4ce11c5d96d44f72Douglas Gregor SourceLocation TKL, RecordDecl* PrevDecl) { 19001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19018e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor RecordDecl* R = new (C) RecordDecl(Record, TK, DC, L, Id, PrevDecl, TKL); 19024b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek C.getTypeDeclType(R, PrevDecl); 19034b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek return R; 19046359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek} 19056359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek 1906b8b03e6df1cc89e701a809c6a47c41f31b7a9e50Argyrios KyrtzidisRecordDecl *RecordDecl::Create(ASTContext &C, EmptyShell Empty) { 1907b8b03e6df1cc89e701a809c6a47c41f31b7a9e50Argyrios Kyrtzidis return new (C) RecordDecl(Record, TTK_Struct, 0, SourceLocation(), 0, 0, 1908b8b03e6df1cc89e701a809c6a47c41f31b7a9e50Argyrios Kyrtzidis SourceLocation()); 1909b8b03e6df1cc89e701a809c6a47c41f31b7a9e50Argyrios Kyrtzidis} 1910b8b03e6df1cc89e701a809c6a47c41f31b7a9e50Argyrios Kyrtzidis 1911c9b5b4074bd73d4af76e69cccf8ecd365fdd1008Douglas Gregorbool RecordDecl::isInjectedClassName() const { 19121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return isImplicit() && getDeclName() && getDeclContext()->isRecord() && 1913c9b5b4074bd73d4af76e69cccf8ecd365fdd1008Douglas Gregor cast<RecordDecl>(getDeclContext())->getDeclName() == getDeclName(); 1914c9b5b4074bd73d4af76e69cccf8ecd365fdd1008Douglas Gregor} 1915c9b5b4074bd73d4af76e69cccf8ecd365fdd1008Douglas Gregor 1916eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios KyrtzidisRecordDecl::field_iterator RecordDecl::field_begin() const { 1917eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis if (hasExternalLexicalStorage() && !LoadedFieldsFromExternalStorage) 1918eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis LoadFieldsFromExternalStorage(); 1919eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 1920eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis return field_iterator(decl_iterator(FirstDecl)); 1921eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis} 1922eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 192344b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor/// completeDefinition - Notes that the definition of this type is now 192444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor/// complete. 1925838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregorvoid RecordDecl::completeDefinition() { 19265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(!isDefinition() && "Cannot redefine record!"); 19270b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor TagDecl::completeDefinition(); 19285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 19295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1930bc365c53606ab90537576cb48d93a54ce3fb0cb5John McCallValueDecl *RecordDecl::getAnonymousStructOrUnionObject() { 1931bc365c53606ab90537576cb48d93a54ce3fb0cb5John McCall // Force the decl chain to come into existence properly. 1932bc365c53606ab90537576cb48d93a54ce3fb0cb5John McCall if (!getNextDeclInContext()) getParent()->decls_begin(); 1933bc365c53606ab90537576cb48d93a54ce3fb0cb5John McCall 1934bc365c53606ab90537576cb48d93a54ce3fb0cb5John McCall assert(isAnonymousStructOrUnion()); 1935bc365c53606ab90537576cb48d93a54ce3fb0cb5John McCall ValueDecl *D = cast<ValueDecl>(getNextDeclInContext()); 1936bc365c53606ab90537576cb48d93a54ce3fb0cb5John McCall assert(D->getType()->isRecordType()); 1937bc365c53606ab90537576cb48d93a54ce3fb0cb5John McCall assert(D->getType()->getAs<RecordType>()->getDecl() == this); 1938bc365c53606ab90537576cb48d93a54ce3fb0cb5John McCall return D; 1939bc365c53606ab90537576cb48d93a54ce3fb0cb5John McCall} 1940bc365c53606ab90537576cb48d93a54ce3fb0cb5John McCall 1941eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidisvoid RecordDecl::LoadFieldsFromExternalStorage() const { 1942eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis ExternalASTSource *Source = getASTContext().getExternalSource(); 1943eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis assert(hasExternalLexicalStorage() && Source && "No external storage?"); 1944eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 1945eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis // Notify that we have a RecordDecl doing some initialization. 1946eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis ExternalASTSource::Deserializing TheFields(Source); 1947eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 1948eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis llvm::SmallVector<Decl*, 64> Decls; 1949eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis if (Source->FindExternalLexicalDeclsBy<FieldDecl>(this, Decls)) 1950eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis return; 1951eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 1952eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis#ifndef NDEBUG 1953eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis // Check that all decls we got were FieldDecls. 1954eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis for (unsigned i=0, e=Decls.size(); i != e; ++i) 1955eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis assert(isa<FieldDecl>(Decls[i])); 1956eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis#endif 1957eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 1958eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis LoadedFieldsFromExternalStorage = true; 1959eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 1960eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis if (Decls.empty()) 1961eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis return; 1962eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 1963eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis llvm::tie(FirstDecl, LastDecl) = BuildDeclChain(Decls); 1964eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis} 1965eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 196656ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff//===----------------------------------------------------------------------===// 196756ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff// BlockDecl Implementation 196856ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff//===----------------------------------------------------------------------===// 196956ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff 1970838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregorvoid BlockDecl::setParams(ParmVarDecl **NewParamInfo, 1971e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff unsigned NParms) { 1972e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff assert(ParamInfo == 0 && "Already has param info!"); 19731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1974e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff // Zero params -> null pointer. 1975e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff if (NParms) { 1976e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff NumParams = NParms; 1977838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor void *Mem = getASTContext().Allocate(sizeof(ParmVarDecl*)*NumParams); 1978e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff ParamInfo = new (Mem) ParmVarDecl*[NumParams]; 1979e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff memcpy(ParamInfo, NewParamInfo, sizeof(ParmVarDecl*)*NumParams); 1980e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff } 1981e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff} 1982e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff 1983e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroffunsigned BlockDecl::getNumParams() const { 1984e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff return NumParams; 1985e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff} 19867783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 19877783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 19887783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 19897783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl// Other Decl Allocation/Deallocation Method Implementations 19907783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 19917783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 19927783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlTranslationUnitDecl *TranslationUnitDecl::Create(ASTContext &C) { 19937783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) TranslationUnitDecl(C); 19947783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 19957783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 19967783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlNamespaceDecl *NamespaceDecl::Create(ASTContext &C, DeclContext *DC, 19977783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl SourceLocation L, IdentifierInfo *Id) { 19987783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) NamespaceDecl(DC, L, Id); 19997783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 20007783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 200106c919300ce39e50ed7f6dff5025c8ed96dcf221Douglas GregorNamespaceDecl *NamespaceDecl::getNextNamespace() { 200206c919300ce39e50ed7f6dff5025c8ed96dcf221Douglas Gregor return dyn_cast_or_null<NamespaceDecl>( 200306c919300ce39e50ed7f6dff5025c8ed96dcf221Douglas Gregor NextNamespace.get(getASTContext().getExternalSource())); 200406c919300ce39e50ed7f6dff5025c8ed96dcf221Douglas Gregor} 200506c919300ce39e50ed7f6dff5025c8ed96dcf221Douglas Gregor 20067783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlImplicitParamDecl *ImplicitParamDecl::Create(ASTContext &C, DeclContext *DC, 20077783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl SourceLocation L, IdentifierInfo *Id, QualType T) { 20087783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) ImplicitParamDecl(ImplicitParam, DC, L, Id, T); 20097783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 20107783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 20117783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlFunctionDecl *FunctionDecl::Create(ASTContext &C, DeclContext *DC, 20122577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 20132577743c5650c646fb705df01403707e94f2df04Abramo Bagnara QualType T, TypeSourceInfo *TInfo, 201416573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor StorageClass S, StorageClass SCAsWritten, 201516573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor bool isInline, bool hasWrittenPrototype) { 20162577743c5650c646fb705df01403707e94f2df04Abramo Bagnara FunctionDecl *New = new (C) FunctionDecl(Function, DC, NameInfo, T, TInfo, 201716573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor S, SCAsWritten, isInline); 20187783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl New->HasWrittenPrototype = hasWrittenPrototype; 20197783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return New; 20207783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 20217783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 20227783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlBlockDecl *BlockDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L) { 20237783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) BlockDecl(DC, L); 20247783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 20257783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 20267783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlEnumConstantDecl *EnumConstantDecl::Create(ASTContext &C, EnumDecl *CD, 20277783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl SourceLocation L, 20287783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl IdentifierInfo *Id, QualType T, 20297783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl Expr *E, const llvm::APSInt &V) { 20307783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) EnumConstantDecl(CD, L, Id, T, E, V); 20317783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 20327783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 2033d98114647e16796a976b04af79975b4f0eacf22bBenjamin KramerIndirectFieldDecl * 2034d98114647e16796a976b04af79975b4f0eacf22bBenjamin KramerIndirectFieldDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L, 2035d98114647e16796a976b04af79975b4f0eacf22bBenjamin Kramer IdentifierInfo *Id, QualType T, NamedDecl **CH, 2036d98114647e16796a976b04af79975b4f0eacf22bBenjamin Kramer unsigned CHS) { 203787c2e121cf0522fc266efe2922b58091cd2e0182Francois Pichet return new (C) IndirectFieldDecl(DC, L, Id, T, CH, CHS); 203887c2e121cf0522fc266efe2922b58091cd2e0182Francois Pichet} 203987c2e121cf0522fc266efe2922b58091cd2e0182Francois Pichet 20408e7139c9554230df64325f70fe202c83491ba7f5Douglas GregorSourceRange EnumConstantDecl::getSourceRange() const { 20418e7139c9554230df64325f70fe202c83491ba7f5Douglas Gregor SourceLocation End = getLocation(); 20428e7139c9554230df64325f70fe202c83491ba7f5Douglas Gregor if (Init) 20438e7139c9554230df64325f70fe202c83491ba7f5Douglas Gregor End = Init->getLocEnd(); 20448e7139c9554230df64325f70fe202c83491ba7f5Douglas Gregor return SourceRange(getLocation(), End); 20458e7139c9554230df64325f70fe202c83491ba7f5Douglas Gregor} 20468e7139c9554230df64325f70fe202c83491ba7f5Douglas Gregor 20477783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlTypedefDecl *TypedefDecl::Create(ASTContext &C, DeclContext *DC, 20487783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl SourceLocation L, IdentifierInfo *Id, 20497783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl TypeSourceInfo *TInfo) { 20507783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) TypedefDecl(DC, L, Id, TInfo); 20517783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 20527783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 20537783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlFileScopeAsmDecl *FileScopeAsmDecl::Create(ASTContext &C, DeclContext *DC, 20547783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl SourceLocation L, 20557783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl StringLiteral *Str) { 20567783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) FileScopeAsmDecl(DC, L, Str); 20577783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 2058