Decl.cpp revision 5bbcdbf36f8cf79d99703ef20848c55960065e43
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" 284421d2b341d041df44013769f23c306308bbab83Douglas Gregor#include "clang/Basic/TargetInfo.h" 29f1bbbb49f06a7462476cd88166fccda5feb15cabJohn McCall#include "llvm/Support/ErrorHandling.h" 3027f8a28bee33bb0e857cfe1a61c281bbc234b338Ted Kremenek 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 33d3b9065ec7052ec4741783d2fb4130d13c766933Chris Lattner//===----------------------------------------------------------------------===// 344afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor// NamedDecl Implementation 355239304ff761b8b03eefb772bd5d830a9b9f1aeaArgyrios Kyrtzidis//===----------------------------------------------------------------------===// 365239304ff761b8b03eefb772bd5d830a9b9f1aeaArgyrios Kyrtzidis 374421d2b341d041df44013769f23c306308bbab83Douglas Gregorstatic llvm::Optional<Visibility> getVisibilityOf(const Decl *D) { 384421d2b341d041df44013769f23c306308bbab83Douglas Gregor // If this declaration has an explicit visibility attribute, use it. 394421d2b341d041df44013769f23c306308bbab83Douglas Gregor if (const VisibilityAttr *A = D->getAttr<VisibilityAttr>()) { 404421d2b341d041df44013769f23c306308bbab83Douglas Gregor switch (A->getVisibility()) { 414421d2b341d041df44013769f23c306308bbab83Douglas Gregor case VisibilityAttr::Default: 424421d2b341d041df44013769f23c306308bbab83Douglas Gregor return DefaultVisibility; 434421d2b341d041df44013769f23c306308bbab83Douglas Gregor case VisibilityAttr::Hidden: 444421d2b341d041df44013769f23c306308bbab83Douglas Gregor return HiddenVisibility; 454421d2b341d041df44013769f23c306308bbab83Douglas Gregor case VisibilityAttr::Protected: 464421d2b341d041df44013769f23c306308bbab83Douglas Gregor return ProtectedVisibility; 474421d2b341d041df44013769f23c306308bbab83Douglas Gregor } 487f1b98760d419a09b2261c1ef901f6bc1ff33e19John McCall 494421d2b341d041df44013769f23c306308bbab83Douglas Gregor return DefaultVisibility; 50e7bc9722c807030409178d4af8ce8d1260bbd821John McCall } 517f1b98760d419a09b2261c1ef901f6bc1ff33e19John McCall 524421d2b341d041df44013769f23c306308bbab83Douglas Gregor // If we're on Mac OS X, an 'availability' for Mac OS X attribute 534421d2b341d041df44013769f23c306308bbab83Douglas Gregor // implies visibility(default). 544421d2b341d041df44013769f23c306308bbab83Douglas Gregor if (D->getASTContext().Target.getTriple().getOS() == llvm::Triple::Darwin) { 554421d2b341d041df44013769f23c306308bbab83Douglas Gregor for (specific_attr_iterator<AvailabilityAttr> 564421d2b341d041df44013769f23c306308bbab83Douglas Gregor A = D->specific_attr_begin<AvailabilityAttr>(), 574421d2b341d041df44013769f23c306308bbab83Douglas Gregor AEnd = D->specific_attr_end<AvailabilityAttr>(); 584421d2b341d041df44013769f23c306308bbab83Douglas Gregor A != AEnd; ++A) 594421d2b341d041df44013769f23c306308bbab83Douglas Gregor if ((*A)->getPlatform()->getName().equals("macosx")) 604421d2b341d041df44013769f23c306308bbab83Douglas Gregor return DefaultVisibility; 611fb0caaa7bef765b85972274e3b434af2572c141John McCall } 624421d2b341d041df44013769f23c306308bbab83Douglas Gregor 634421d2b341d041df44013769f23c306308bbab83Douglas Gregor return llvm::Optional<Visibility>(); 641fb0caaa7bef765b85972274e3b434af2572c141John McCall} 651fb0caaa7bef765b85972274e3b434af2572c141John McCall 66af14603ca61757cf4361b583b45639a04c57e651John McCalltypedef NamedDecl::LinkageInfo LinkageInfo; 671fb0caaa7bef765b85972274e3b434af2572c141John McCalltypedef std::pair<Linkage,Visibility> LVPair; 68af14603ca61757cf4361b583b45639a04c57e651John McCall 691fb0caaa7bef765b85972274e3b434af2572c141John McCallstatic LVPair merge(LVPair L, LVPair R) { 701fb0caaa7bef765b85972274e3b434af2572c141John McCall return LVPair(minLinkage(L.first, R.first), 711fb0caaa7bef765b85972274e3b434af2572c141John McCall minVisibility(L.second, R.second)); 721fb0caaa7bef765b85972274e3b434af2572c141John McCall} 731fb0caaa7bef765b85972274e3b434af2572c141John McCall 74af14603ca61757cf4361b583b45639a04c57e651John McCallstatic LVPair merge(LVPair L, LinkageInfo R) { 75af14603ca61757cf4361b583b45639a04c57e651John McCall return LVPair(minLinkage(L.first, R.linkage()), 76af14603ca61757cf4361b583b45639a04c57e651John McCall minVisibility(L.second, R.visibility())); 77af14603ca61757cf4361b583b45639a04c57e651John McCall} 78af14603ca61757cf4361b583b45639a04c57e651John McCall 79752c2e930a3ec30b5e338845fd5e7baae532ee69Benjamin Kramernamespace { 803698748400478880d2a146ef9eaa111cd0e60522John McCall/// Flags controlling the computation of linkage and visibility. 813698748400478880d2a146ef9eaa111cd0e60522John McCallstruct LVFlags { 823698748400478880d2a146ef9eaa111cd0e60522John McCall bool ConsiderGlobalVisibility; 833698748400478880d2a146ef9eaa111cd0e60522John McCall bool ConsiderVisibilityAttributes; 841a0918ade0a3490c7aff243f9cd519156dfcb0bdJohn McCall bool ConsiderTemplateParameterTypes; 853698748400478880d2a146ef9eaa111cd0e60522John McCall 863698748400478880d2a146ef9eaa111cd0e60522John McCall LVFlags() : ConsiderGlobalVisibility(true), 871a0918ade0a3490c7aff243f9cd519156dfcb0bdJohn McCall ConsiderVisibilityAttributes(true), 881a0918ade0a3490c7aff243f9cd519156dfcb0bdJohn McCall ConsiderTemplateParameterTypes(true) { 893698748400478880d2a146ef9eaa111cd0e60522John McCall } 903698748400478880d2a146ef9eaa111cd0e60522John McCall 91381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor /// \brief Returns a set of flags that is only useful for computing the 92381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor /// linkage, not the visibility, of a declaration. 93381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor static LVFlags CreateOnlyDeclLinkage() { 94381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor LVFlags F; 95381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor F.ConsiderGlobalVisibility = false; 96381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor F.ConsiderVisibilityAttributes = false; 971a0918ade0a3490c7aff243f9cd519156dfcb0bdJohn McCall F.ConsiderTemplateParameterTypes = false; 98381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor return F; 99381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor } 100381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor 1013698748400478880d2a146ef9eaa111cd0e60522John McCall /// Returns a set of flags, otherwise based on these, which ignores 1023698748400478880d2a146ef9eaa111cd0e60522John McCall /// off all sources of visibility except template arguments. 1033698748400478880d2a146ef9eaa111cd0e60522John McCall LVFlags onlyTemplateVisibility() const { 1043698748400478880d2a146ef9eaa111cd0e60522John McCall LVFlags F = *this; 1053698748400478880d2a146ef9eaa111cd0e60522John McCall F.ConsiderGlobalVisibility = false; 1063698748400478880d2a146ef9eaa111cd0e60522John McCall F.ConsiderVisibilityAttributes = false; 1071a0918ade0a3490c7aff243f9cd519156dfcb0bdJohn McCall F.ConsiderTemplateParameterTypes = false; 1083698748400478880d2a146ef9eaa111cd0e60522John McCall return F; 1093698748400478880d2a146ef9eaa111cd0e60522John McCall } 11089d63e5e4f4423455f7ee6b1e85143c34d088128Douglas Gregor}; 111752c2e930a3ec30b5e338845fd5e7baae532ee69Benjamin Kramer} // end anonymous namespace 1123698748400478880d2a146ef9eaa111cd0e60522John McCall 1130b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor/// \brief Get the most restrictive linkage for the types in the given 1140b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor/// template parameter list. 1151fb0caaa7bef765b85972274e3b434af2572c141John McCallstatic LVPair 1161fb0caaa7bef765b85972274e3b434af2572c141John McCallgetLVForTemplateParameterList(const TemplateParameterList *Params) { 1171fb0caaa7bef765b85972274e3b434af2572c141John McCall LVPair LV(ExternalLinkage, DefaultVisibility); 1180b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor for (TemplateParameterList::const_iterator P = Params->begin(), 1190b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor PEnd = Params->end(); 1200b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor P != PEnd; ++P) { 1216952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor if (NonTypeTemplateParmDecl *NTTP = dyn_cast<NonTypeTemplateParmDecl>(*P)) { 1226952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor if (NTTP->isExpandedParameterPack()) { 1236952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor for (unsigned I = 0, N = NTTP->getNumExpansionTypes(); I != N; ++I) { 1246952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor QualType T = NTTP->getExpansionType(I); 1256952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor if (!T->isDependentType()) 1266952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor LV = merge(LV, T->getLinkageAndVisibility()); 1276952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor } 1286952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor continue; 1296952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor } 1306952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor 1310b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (!NTTP->getType()->isDependentType()) { 1321fb0caaa7bef765b85972274e3b434af2572c141John McCall LV = merge(LV, NTTP->getType()->getLinkageAndVisibility()); 1330b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor continue; 1340b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 1356952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor } 1360b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1370b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (TemplateTemplateParmDecl *TTP 1380b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor = dyn_cast<TemplateTemplateParmDecl>(*P)) { 139af14603ca61757cf4361b583b45639a04c57e651John McCall LV = merge(LV, getLVForTemplateParameterList(TTP->getTemplateParameters())); 1400b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 1410b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 1420b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1431fb0caaa7bef765b85972274e3b434af2572c141John McCall return LV; 1440b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor} 1450b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 146381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor/// getLVForDecl - Get the linkage and visibility for the given declaration. 147381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregorstatic LinkageInfo getLVForDecl(const NamedDecl *D, LVFlags F); 148381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor 1490b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor/// \brief Get the most restrictive linkage for the types and 1500b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor/// declarations in the given template argument list. 1511fb0caaa7bef765b85972274e3b434af2572c141John McCallstatic LVPair getLVForTemplateArgumentList(const TemplateArgument *Args, 152381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor unsigned NumArgs, 153381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor LVFlags &F) { 1541fb0caaa7bef765b85972274e3b434af2572c141John McCall LVPair LV(ExternalLinkage, DefaultVisibility); 1550b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1560b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor for (unsigned I = 0; I != NumArgs; ++I) { 1570b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor switch (Args[I].getKind()) { 1580b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Null: 1590b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Integral: 1600b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Expression: 1610b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor break; 1620b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1630b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Type: 1641fb0caaa7bef765b85972274e3b434af2572c141John McCall LV = merge(LV, Args[I].getAsType()->getLinkageAndVisibility()); 1650b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor break; 1660b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1670b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Declaration: 1681fb0caaa7bef765b85972274e3b434af2572c141John McCall // The decl can validly be null as the representation of nullptr 1691fb0caaa7bef765b85972274e3b434af2572c141John McCall // arguments, valid only in C++0x. 1701fb0caaa7bef765b85972274e3b434af2572c141John McCall if (Decl *D = Args[I].getAsDecl()) { 17189d63e5e4f4423455f7ee6b1e85143c34d088128Douglas Gregor if (NamedDecl *ND = dyn_cast<NamedDecl>(D)) 17289d63e5e4f4423455f7ee6b1e85143c34d088128Douglas Gregor LV = merge(LV, getLVForDecl(ND, F)); 1731fb0caaa7bef765b85972274e3b434af2572c141John McCall } 1740b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor break; 1750b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1760b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Template: 177a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor case TemplateArgument::TemplateExpansion: 178a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor if (TemplateDecl *Template 179a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor = Args[I].getAsTemplateOrTemplatePattern().getAsTemplateDecl()) 18089d63e5e4f4423455f7ee6b1e85143c34d088128Douglas Gregor LV = merge(LV, getLVForDecl(Template, F)); 1810b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor break; 1820b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1830b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Pack: 1841fb0caaa7bef765b85972274e3b434af2572c141John McCall LV = merge(LV, getLVForTemplateArgumentList(Args[I].pack_begin(), 185381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor Args[I].pack_size(), 186381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor F)); 1870b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor break; 1880b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 1890b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 1900b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1911fb0caaa7bef765b85972274e3b434af2572c141John McCall return LV; 1920b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor} 1930b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 194af14603ca61757cf4361b583b45639a04c57e651John McCallstatic LVPair 195381d34e0b205ca27bcc7e7c1652561941c437965Douglas GregorgetLVForTemplateArgumentList(const TemplateArgumentList &TArgs, 196381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor LVFlags &F) { 197381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor return getLVForTemplateArgumentList(TArgs.data(), TArgs.size(), F); 1983cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall} 1993cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall 2003698748400478880d2a146ef9eaa111cd0e60522John McCallstatic LinkageInfo getLVForNamespaceScopeDecl(const NamedDecl *D, LVFlags F) { 2017a126a474fdde06382b315b4e3d8ef0a21d4dc31Sebastian Redl assert(D->getDeclContext()->getRedeclContext()->isFileContext() && 202d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor "Not a name having namespace scope"); 203d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor ASTContext &Context = D->getASTContext(); 204d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 205d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C++ [basic.link]p3: 206d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // A name having namespace scope (3.3.6) has internal linkage if it 207d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // is the name of 208d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - an object, reference, function or function template that is 209d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // explicitly declared static; or, 210d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // (This bullet corresponds to C99 6.2.2p3.) 211d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const VarDecl *Var = dyn_cast<VarDecl>(D)) { 212d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // Explicitly declared static. 213d931b086984257de68868a64a235c2b4b34003fbJohn McCall if (Var->getStorageClass() == SC_Static) 214af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::internal(); 215d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 216d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - an object or reference that is explicitly declared const 217d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // and neither explicitly declared extern nor previously 218d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // declared to have external linkage; or 219d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // (there is no equivalent in C99) 220d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (Context.getLangOptions().CPlusPlus && 221e9d6554ba78fb81e810fdaec9b2c98ab96526e83Eli Friedman Var->getType().isConstant(Context) && 222d931b086984257de68868a64a235c2b4b34003fbJohn McCall Var->getStorageClass() != SC_Extern && 223d931b086984257de68868a64a235c2b4b34003fbJohn McCall Var->getStorageClass() != SC_PrivateExtern) { 224d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor bool FoundExtern = false; 225d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor for (const VarDecl *PrevVar = Var->getPreviousDeclaration(); 226d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor PrevVar && !FoundExtern; 227d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor PrevVar = PrevVar->getPreviousDeclaration()) 2280b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (isExternalLinkage(PrevVar->getLinkage())) 229d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor FoundExtern = true; 230d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 231d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (!FoundExtern) 232af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::internal(); 233d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 234d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } else if (isa<FunctionDecl>(D) || isa<FunctionTemplateDecl>(D)) { 2350b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor // C++ [temp]p4: 2360b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor // A non-member function template can have internal linkage; any 2370b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor // other template name shall have external linkage. 238d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor const FunctionDecl *Function = 0; 239d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const FunctionTemplateDecl *FunTmpl 240d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor = dyn_cast<FunctionTemplateDecl>(D)) 241d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor Function = FunTmpl->getTemplatedDecl(); 242d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor else 243d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor Function = cast<FunctionDecl>(D); 244d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 245d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // Explicitly declared static. 246d931b086984257de68868a64a235c2b4b34003fbJohn McCall if (Function->getStorageClass() == SC_Static) 247af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo(InternalLinkage, DefaultVisibility, false); 248d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } else if (const FieldDecl *Field = dyn_cast<FieldDecl>(D)) { 249d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - a data member of an anonymous union. 250d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (cast<RecordDecl>(Field->getDeclContext())->isAnonymousStructOrUnion()) 251af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::internal(); 252d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 253d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 254094b64336495496ca29bc1e4774f5e2ceed79096Chandler Carruth if (D->isInAnonymousNamespace()) { 255094b64336495496ca29bc1e4774f5e2ceed79096Chandler Carruth const VarDecl *Var = dyn_cast<VarDecl>(D); 256094b64336495496ca29bc1e4774f5e2ceed79096Chandler Carruth const FunctionDecl *Func = dyn_cast<FunctionDecl>(D); 257094b64336495496ca29bc1e4774f5e2ceed79096Chandler Carruth if ((!Var || !Var->isExternC()) && (!Func || !Func->isExternC())) 258094b64336495496ca29bc1e4774f5e2ceed79096Chandler Carruth return LinkageInfo::uniqueExternal(); 259094b64336495496ca29bc1e4774f5e2ceed79096Chandler Carruth } 260e7bc9722c807030409178d4af8ce8d1260bbd821John McCall 2611fb0caaa7bef765b85972274e3b434af2572c141John McCall // Set up the defaults. 2621fb0caaa7bef765b85972274e3b434af2572c141John McCall 2631fb0caaa7bef765b85972274e3b434af2572c141John McCall // C99 6.2.2p5: 2641fb0caaa7bef765b85972274e3b434af2572c141John McCall // If the declaration of an identifier for an object has file 2651fb0caaa7bef765b85972274e3b434af2572c141John McCall // scope and no storage-class specifier, its linkage is 2661fb0caaa7bef765b85972274e3b434af2572c141John McCall // external. 267af14603ca61757cf4361b583b45639a04c57e651John McCall LinkageInfo LV; 268af14603ca61757cf4361b583b45639a04c57e651John McCall 2693698748400478880d2a146ef9eaa111cd0e60522John McCall if (F.ConsiderVisibilityAttributes) { 2704421d2b341d041df44013769f23c306308bbab83Douglas Gregor if (llvm::Optional<Visibility> Vis = D->getExplicitVisibility()) { 2714421d2b341d041df44013769f23c306308bbab83Douglas Gregor LV.setVisibility(*Vis, true); 2723698748400478880d2a146ef9eaa111cd0e60522John McCall F.ConsiderGlobalVisibility = false; 27390f1450c109fbbd333001165bbd986061f7c4513John McCall } else { 27490f1450c109fbbd333001165bbd986061f7c4513John McCall // If we're declared in a namespace with a visibility attribute, 27590f1450c109fbbd333001165bbd986061f7c4513John McCall // use that namespace's visibility, but don't call it explicit. 27690f1450c109fbbd333001165bbd986061f7c4513John McCall for (const DeclContext *DC = D->getDeclContext(); 27790f1450c109fbbd333001165bbd986061f7c4513John McCall !isa<TranslationUnitDecl>(DC); 27890f1450c109fbbd333001165bbd986061f7c4513John McCall DC = DC->getParent()) { 27990f1450c109fbbd333001165bbd986061f7c4513John McCall if (!isa<NamespaceDecl>(DC)) continue; 2804421d2b341d041df44013769f23c306308bbab83Douglas Gregor if (llvm::Optional<Visibility> Vis 2814421d2b341d041df44013769f23c306308bbab83Douglas Gregor = cast<NamespaceDecl>(DC)->getExplicitVisibility()) { 2824421d2b341d041df44013769f23c306308bbab83Douglas Gregor LV.setVisibility(*Vis, false); 28390f1450c109fbbd333001165bbd986061f7c4513John McCall F.ConsiderGlobalVisibility = false; 28490f1450c109fbbd333001165bbd986061f7c4513John McCall break; 28590f1450c109fbbd333001165bbd986061f7c4513John McCall } 28690f1450c109fbbd333001165bbd986061f7c4513John McCall } 2873698748400478880d2a146ef9eaa111cd0e60522John McCall } 288af14603ca61757cf4361b583b45639a04c57e651John McCall } 2891fb0caaa7bef765b85972274e3b434af2572c141John McCall 290d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C++ [basic.link]p4: 2911fb0caaa7bef765b85972274e3b434af2572c141John McCall 292d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // A name having namespace scope has external linkage if it is the 293d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // name of 294d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // 295d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - an object or reference, unless it has internal linkage; or 296d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const VarDecl *Var = dyn_cast<VarDecl>(D)) { 297110e8e56af30363072c140285961592b0107f789John McCall // GCC applies the following optimization to variables and static 298110e8e56af30363072c140285961592b0107f789John McCall // data members, but not to functions: 299110e8e56af30363072c140285961592b0107f789John McCall // 3001fb0caaa7bef765b85972274e3b434af2572c141John McCall // Modify the variable's LV by the LV of its type unless this is 3011fb0caaa7bef765b85972274e3b434af2572c141John McCall // C or extern "C". This follows from [basic.link]p9: 3021fb0caaa7bef765b85972274e3b434af2572c141John McCall // A type without linkage shall not be used as the type of a 3031fb0caaa7bef765b85972274e3b434af2572c141John McCall // variable or function with external linkage unless 3041fb0caaa7bef765b85972274e3b434af2572c141John McCall // - the entity has C language linkage, or 3051fb0caaa7bef765b85972274e3b434af2572c141John McCall // - the entity is declared within an unnamed namespace, or 3061fb0caaa7bef765b85972274e3b434af2572c141John McCall // - the entity is not used or is defined in the same 3071fb0caaa7bef765b85972274e3b434af2572c141John McCall // translation unit. 3081fb0caaa7bef765b85972274e3b434af2572c141John McCall // and [basic.link]p10: 3091fb0caaa7bef765b85972274e3b434af2572c141John McCall // ...the types specified by all declarations referring to a 3101fb0caaa7bef765b85972274e3b434af2572c141John McCall // given variable or function shall be identical... 3111fb0caaa7bef765b85972274e3b434af2572c141John McCall // C does not have an equivalent rule. 3121fb0caaa7bef765b85972274e3b434af2572c141John McCall // 313ac65c6208d48b0f9b4661c30c28997a280ac5ba6John McCall // Ignore this if we've got an explicit attribute; the user 314ac65c6208d48b0f9b4661c30c28997a280ac5ba6John McCall // probably knows what they're doing. 315ac65c6208d48b0f9b4661c30c28997a280ac5ba6John McCall // 3161fb0caaa7bef765b85972274e3b434af2572c141John McCall // Note that we don't want to make the variable non-external 3171fb0caaa7bef765b85972274e3b434af2572c141John McCall // because of this, but unique-external linkage suits us. 318ee30102a9ef32cdbf0afe0e4c07a53d265a18f98John McCall if (Context.getLangOptions().CPlusPlus && !Var->isExternC()) { 3191fb0caaa7bef765b85972274e3b434af2572c141John McCall LVPair TypeLV = Var->getType()->getLinkageAndVisibility(); 3201fb0caaa7bef765b85972274e3b434af2572c141John McCall if (TypeLV.first != ExternalLinkage) 321af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::uniqueExternal(); 322af14603ca61757cf4361b583b45639a04c57e651John McCall if (!LV.visibilityExplicit()) 323af14603ca61757cf4361b583b45639a04c57e651John McCall LV.mergeVisibility(TypeLV.second); 324110e8e56af30363072c140285961592b0107f789John McCall } 325110e8e56af30363072c140285961592b0107f789John McCall 32635cebc3eea898637057b10b5cf7dd08b1d788980John McCall if (Var->getStorageClass() == SC_PrivateExtern) 32735cebc3eea898637057b10b5cf7dd08b1d788980John McCall LV.setVisibility(HiddenVisibility, true); 32835cebc3eea898637057b10b5cf7dd08b1d788980John McCall 329d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (!Context.getLangOptions().CPlusPlus && 330d931b086984257de68868a64a235c2b4b34003fbJohn McCall (Var->getStorageClass() == SC_Extern || 331d931b086984257de68868a64a235c2b4b34003fbJohn McCall Var->getStorageClass() == SC_PrivateExtern)) { 3321fb0caaa7bef765b85972274e3b434af2572c141John McCall 333d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C99 6.2.2p4: 334d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // For an identifier declared with the storage-class specifier 335d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // extern in a scope in which a prior declaration of that 336d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // identifier is visible, if the prior declaration specifies 337d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // internal or external linkage, the linkage of the identifier 338d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // at the later declaration is the same as the linkage 339d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // specified at the prior declaration. If no prior declaration 340d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // is visible, or if the prior declaration specifies no 341d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // linkage, then the identifier has external linkage. 342d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const VarDecl *PrevVar = Var->getPreviousDeclaration()) { 343381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor LinkageInfo PrevLV = getLVForDecl(PrevVar, F); 344af14603ca61757cf4361b583b45639a04c57e651John McCall if (PrevLV.linkage()) LV.setLinkage(PrevLV.linkage()); 345af14603ca61757cf4361b583b45639a04c57e651John McCall LV.mergeVisibility(PrevLV); 346d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 347d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 348d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 349d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - a function, unless it has internal linkage; or 3501fb0caaa7bef765b85972274e3b434af2572c141John McCall } else if (const FunctionDecl *Function = dyn_cast<FunctionDecl>(D)) { 35167fa6d5ea630c800c3c96e129129aba93d1487c2John McCall // In theory, we can modify the function's LV by the LV of its 35267fa6d5ea630c800c3c96e129129aba93d1487c2John McCall // type unless it has C linkage (see comment above about variables 35367fa6d5ea630c800c3c96e129129aba93d1487c2John McCall // for justification). In practice, GCC doesn't do this, so it's 35467fa6d5ea630c800c3c96e129129aba93d1487c2John McCall // just too painful to make work. 3551fb0caaa7bef765b85972274e3b434af2572c141John McCall 35635cebc3eea898637057b10b5cf7dd08b1d788980John McCall if (Function->getStorageClass() == SC_PrivateExtern) 35735cebc3eea898637057b10b5cf7dd08b1d788980John McCall LV.setVisibility(HiddenVisibility, true); 35835cebc3eea898637057b10b5cf7dd08b1d788980John McCall 359d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C99 6.2.2p5: 360d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // If the declaration of an identifier for a function has no 361d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // storage-class specifier, its linkage is determined exactly 362d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // as if it were declared with the storage-class specifier 363d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // extern. 364d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (!Context.getLangOptions().CPlusPlus && 365d931b086984257de68868a64a235c2b4b34003fbJohn McCall (Function->getStorageClass() == SC_Extern || 366d931b086984257de68868a64a235c2b4b34003fbJohn McCall Function->getStorageClass() == SC_PrivateExtern || 367d931b086984257de68868a64a235c2b4b34003fbJohn McCall Function->getStorageClass() == SC_None)) { 368d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C99 6.2.2p4: 369d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // For an identifier declared with the storage-class specifier 370d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // extern in a scope in which a prior declaration of that 371d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // identifier is visible, if the prior declaration specifies 372d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // internal or external linkage, the linkage of the identifier 373d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // at the later declaration is the same as the linkage 374d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // specified at the prior declaration. If no prior declaration 375d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // is visible, or if the prior declaration specifies no 376d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // linkage, then the identifier has external linkage. 377d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const FunctionDecl *PrevFunc = Function->getPreviousDeclaration()) { 378381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor LinkageInfo PrevLV = getLVForDecl(PrevFunc, F); 379af14603ca61757cf4361b583b45639a04c57e651John McCall if (PrevLV.linkage()) LV.setLinkage(PrevLV.linkage()); 380af14603ca61757cf4361b583b45639a04c57e651John McCall LV.mergeVisibility(PrevLV); 381d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 382d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 383d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 384af8ca37a7fa45bff84831706c6d85f9e5b4e1d15John McCall // In C++, then if the type of the function uses a type with 385af8ca37a7fa45bff84831706c6d85f9e5b4e1d15John McCall // unique-external linkage, it's not legally usable from outside 386af8ca37a7fa45bff84831706c6d85f9e5b4e1d15John McCall // this translation unit. However, we should use the C linkage 387af8ca37a7fa45bff84831706c6d85f9e5b4e1d15John McCall // rules instead for extern "C" declarations. 388af8ca37a7fa45bff84831706c6d85f9e5b4e1d15John McCall if (Context.getLangOptions().CPlusPlus && !Function->isExternC() && 389af8ca37a7fa45bff84831706c6d85f9e5b4e1d15John McCall Function->getType()->getLinkage() == UniqueExternalLinkage) 390af8ca37a7fa45bff84831706c6d85f9e5b4e1d15John McCall return LinkageInfo::uniqueExternal(); 391af8ca37a7fa45bff84831706c6d85f9e5b4e1d15John McCall 3920b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (FunctionTemplateSpecializationInfo *SpecInfo 3930b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor = Function->getTemplateSpecializationInfo()) { 3943698748400478880d2a146ef9eaa111cd0e60522John McCall LV.merge(getLVForDecl(SpecInfo->getTemplate(), 3953698748400478880d2a146ef9eaa111cd0e60522John McCall F.onlyTemplateVisibility())); 3960b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor const TemplateArgumentList &TemplateArgs = *SpecInfo->TemplateArguments; 397381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor LV.merge(getLVForTemplateArgumentList(TemplateArgs, F)); 3980b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 3990b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 400d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - a named class (Clause 9), or an unnamed class defined in a 401d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // typedef declaration in which the class has the typedef name 402d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // for linkage purposes (7.1.3); or 403d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - a named enumeration (7.2), or an unnamed enumeration 404d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // defined in a typedef declaration in which the enumeration 405d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // has the typedef name for linkage purposes (7.1.3); or 4061fb0caaa7bef765b85972274e3b434af2572c141John McCall } else if (const TagDecl *Tag = dyn_cast<TagDecl>(D)) { 4071fb0caaa7bef765b85972274e3b434af2572c141John McCall // Unnamed tags have no linkage. 4081fb0caaa7bef765b85972274e3b434af2572c141John McCall if (!Tag->getDeclName() && !Tag->getTypedefForAnonDecl()) 409af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::none(); 4101fb0caaa7bef765b85972274e3b434af2572c141John McCall 4111fb0caaa7bef765b85972274e3b434af2572c141John McCall // If this is a class template specialization, consider the 4121fb0caaa7bef765b85972274e3b434af2572c141John McCall // linkage of the template and template arguments. 4131fb0caaa7bef765b85972274e3b434af2572c141John McCall if (const ClassTemplateSpecializationDecl *Spec 4141fb0caaa7bef765b85972274e3b434af2572c141John McCall = dyn_cast<ClassTemplateSpecializationDecl>(Tag)) { 4153698748400478880d2a146ef9eaa111cd0e60522John McCall // From the template. 4163698748400478880d2a146ef9eaa111cd0e60522John McCall LV.merge(getLVForDecl(Spec->getSpecializedTemplate(), 4173698748400478880d2a146ef9eaa111cd0e60522John McCall F.onlyTemplateVisibility())); 4181fb0caaa7bef765b85972274e3b434af2572c141John McCall 4191fb0caaa7bef765b85972274e3b434af2572c141John McCall // The arguments at which the template was instantiated. 4201fb0caaa7bef765b85972274e3b434af2572c141John McCall const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); 421381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor LV.merge(getLVForTemplateArgumentList(TemplateArgs, F)); 4220b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 423d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 424ac65c6208d48b0f9b4661c30c28997a280ac5ba6John McCall // Consider -fvisibility unless the type has C linkage. 4253698748400478880d2a146ef9eaa111cd0e60522John McCall if (F.ConsiderGlobalVisibility) 4263698748400478880d2a146ef9eaa111cd0e60522John McCall F.ConsiderGlobalVisibility = 427ac65c6208d48b0f9b4661c30c28997a280ac5ba6John McCall (Context.getLangOptions().CPlusPlus && 428ac65c6208d48b0f9b4661c30c28997a280ac5ba6John McCall !Tag->getDeclContext()->isExternCContext()); 4291fb0caaa7bef765b85972274e3b434af2572c141John McCall 430d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - an enumerator belonging to an enumeration with external linkage; 4311fb0caaa7bef765b85972274e3b434af2572c141John McCall } else if (isa<EnumConstantDecl>(D)) { 432381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor LinkageInfo EnumLV = getLVForDecl(cast<NamedDecl>(D->getDeclContext()), F); 433af14603ca61757cf4361b583b45639a04c57e651John McCall if (!isExternalLinkage(EnumLV.linkage())) 434af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::none(); 435af14603ca61757cf4361b583b45639a04c57e651John McCall LV.merge(EnumLV); 436d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 437d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - a template, unless it is a function template that has 438d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // internal linkage (Clause 14); 4391a0918ade0a3490c7aff243f9cd519156dfcb0bdJohn McCall } else if (const TemplateDecl *temp = dyn_cast<TemplateDecl>(D)) { 4401a0918ade0a3490c7aff243f9cd519156dfcb0bdJohn McCall if (F.ConsiderTemplateParameterTypes) 4411a0918ade0a3490c7aff243f9cd519156dfcb0bdJohn McCall LV.merge(getLVForTemplateParameterList(temp->getTemplateParameters())); 4420b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 443d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - a namespace (7.3), unless it is declared within an unnamed 444d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // namespace. 4451fb0caaa7bef765b85972274e3b434af2572c141John McCall } else if (isa<NamespaceDecl>(D) && !D->isInAnonymousNamespace()) { 4461fb0caaa7bef765b85972274e3b434af2572c141John McCall return LV; 4471fb0caaa7bef765b85972274e3b434af2572c141John McCall 4481fb0caaa7bef765b85972274e3b434af2572c141John McCall // By extension, we assign external linkage to Objective-C 4491fb0caaa7bef765b85972274e3b434af2572c141John McCall // interfaces. 4501fb0caaa7bef765b85972274e3b434af2572c141John McCall } else if (isa<ObjCInterfaceDecl>(D)) { 4511fb0caaa7bef765b85972274e3b434af2572c141John McCall // fallout 4521fb0caaa7bef765b85972274e3b434af2572c141John McCall 4531fb0caaa7bef765b85972274e3b434af2572c141John McCall // Everything not covered here has no linkage. 4541fb0caaa7bef765b85972274e3b434af2572c141John McCall } else { 455af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::none(); 4561fb0caaa7bef765b85972274e3b434af2572c141John McCall } 4571fb0caaa7bef765b85972274e3b434af2572c141John McCall 4581fb0caaa7bef765b85972274e3b434af2572c141John McCall // If we ended up with non-external linkage, visibility should 4591fb0caaa7bef765b85972274e3b434af2572c141John McCall // always be default. 460af14603ca61757cf4361b583b45639a04c57e651John McCall if (LV.linkage() != ExternalLinkage) 461af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo(LV.linkage(), DefaultVisibility, false); 4621fb0caaa7bef765b85972274e3b434af2572c141John McCall 4631fb0caaa7bef765b85972274e3b434af2572c141John McCall // If we didn't end up with hidden visibility, consider attributes 4641fb0caaa7bef765b85972274e3b434af2572c141John McCall // and -fvisibility. 4653698748400478880d2a146ef9eaa111cd0e60522John McCall if (F.ConsiderGlobalVisibility) 466af14603ca61757cf4361b583b45639a04c57e651John McCall LV.mergeVisibility(Context.getLangOptions().getVisibilityMode()); 467d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 4681fb0caaa7bef765b85972274e3b434af2572c141John McCall return LV; 469d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor} 470d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 4713698748400478880d2a146ef9eaa111cd0e60522John McCallstatic LinkageInfo getLVForClassMember(const NamedDecl *D, LVFlags F) { 4721fb0caaa7bef765b85972274e3b434af2572c141John McCall // Only certain class members have linkage. Note that fields don't 4731fb0caaa7bef765b85972274e3b434af2572c141John McCall // really have linkage, but it's convenient to say they do for the 4741fb0caaa7bef765b85972274e3b434af2572c141John McCall // purposes of calculating linkage of pointer-to-data-member 4751fb0caaa7bef765b85972274e3b434af2572c141John McCall // template arguments. 4763cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall if (!(isa<CXXMethodDecl>(D) || 4773cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall isa<VarDecl>(D) || 4781fb0caaa7bef765b85972274e3b434af2572c141John McCall isa<FieldDecl>(D) || 4793cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall (isa<TagDecl>(D) && 4803cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall (D->getDeclName() || cast<TagDecl>(D)->getTypedefForAnonDecl())))) 481af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::none(); 4823cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall 4833698748400478880d2a146ef9eaa111cd0e60522John McCall LinkageInfo LV; 4843698748400478880d2a146ef9eaa111cd0e60522John McCall 4853698748400478880d2a146ef9eaa111cd0e60522John McCall // The flags we're going to use to compute the class's visibility. 4863698748400478880d2a146ef9eaa111cd0e60522John McCall LVFlags ClassF = F; 4873698748400478880d2a146ef9eaa111cd0e60522John McCall 4883698748400478880d2a146ef9eaa111cd0e60522John McCall // If we have an explicit visibility attribute, merge that in. 4893698748400478880d2a146ef9eaa111cd0e60522John McCall if (F.ConsiderVisibilityAttributes) { 4904421d2b341d041df44013769f23c306308bbab83Douglas Gregor if (llvm::Optional<Visibility> Vis = D->getExplicitVisibility()) { 4914421d2b341d041df44013769f23c306308bbab83Douglas Gregor LV.mergeVisibility(*Vis, true); 4923698748400478880d2a146ef9eaa111cd0e60522John McCall 4933698748400478880d2a146ef9eaa111cd0e60522John McCall // Ignore global visibility later, but not this attribute. 4943698748400478880d2a146ef9eaa111cd0e60522John McCall F.ConsiderGlobalVisibility = false; 4953698748400478880d2a146ef9eaa111cd0e60522John McCall 4963698748400478880d2a146ef9eaa111cd0e60522John McCall // Ignore both global visibility and attributes when computing our 4973698748400478880d2a146ef9eaa111cd0e60522John McCall // parent's visibility. 4983698748400478880d2a146ef9eaa111cd0e60522John McCall ClassF = F.onlyTemplateVisibility(); 4993698748400478880d2a146ef9eaa111cd0e60522John McCall } 5003698748400478880d2a146ef9eaa111cd0e60522John McCall } 501af14603ca61757cf4361b583b45639a04c57e651John McCall 502af14603ca61757cf4361b583b45639a04c57e651John McCall // Class members only have linkage if their class has external 5033698748400478880d2a146ef9eaa111cd0e60522John McCall // linkage. 5043698748400478880d2a146ef9eaa111cd0e60522John McCall LV.merge(getLVForDecl(cast<RecordDecl>(D->getDeclContext()), ClassF)); 5053698748400478880d2a146ef9eaa111cd0e60522John McCall if (!isExternalLinkage(LV.linkage())) 506af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::none(); 5073cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall 5083cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall // If the class already has unique-external linkage, we can't improve. 5093698748400478880d2a146ef9eaa111cd0e60522John McCall if (LV.linkage() == UniqueExternalLinkage) 510af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::uniqueExternal(); 5111fb0caaa7bef765b85972274e3b434af2572c141John McCall 5123cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(D)) { 513af8ca37a7fa45bff84831706c6d85f9e5b4e1d15John McCall // If the type of the function uses a type with unique-external 514af8ca37a7fa45bff84831706c6d85f9e5b4e1d15John McCall // linkage, it's not legally usable from outside this translation unit. 515af8ca37a7fa45bff84831706c6d85f9e5b4e1d15John McCall if (MD->getType()->getLinkage() == UniqueExternalLinkage) 516af8ca37a7fa45bff84831706c6d85f9e5b4e1d15John McCall return LinkageInfo::uniqueExternal(); 517af8ca37a7fa45bff84831706c6d85f9e5b4e1d15John McCall 518110e8e56af30363072c140285961592b0107f789John McCall TemplateSpecializationKind TSK = TSK_Undeclared; 519110e8e56af30363072c140285961592b0107f789John McCall 5201fb0caaa7bef765b85972274e3b434af2572c141John McCall // If this is a method template specialization, use the linkage for 5211fb0caaa7bef765b85972274e3b434af2572c141John McCall // the template parameters and arguments. 5221fb0caaa7bef765b85972274e3b434af2572c141John McCall if (FunctionTemplateSpecializationInfo *Spec 5233cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall = MD->getTemplateSpecializationInfo()) { 524381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor LV.merge(getLVForTemplateArgumentList(*Spec->TemplateArguments, F)); 5251a0918ade0a3490c7aff243f9cd519156dfcb0bdJohn McCall if (F.ConsiderTemplateParameterTypes) 5261a0918ade0a3490c7aff243f9cd519156dfcb0bdJohn McCall LV.merge(getLVForTemplateParameterList( 5271fb0caaa7bef765b85972274e3b434af2572c141John McCall Spec->getTemplate()->getTemplateParameters())); 528110e8e56af30363072c140285961592b0107f789John McCall 529110e8e56af30363072c140285961592b0107f789John McCall TSK = Spec->getTemplateSpecializationKind(); 530110e8e56af30363072c140285961592b0107f789John McCall } else if (MemberSpecializationInfo *MSI = 531110e8e56af30363072c140285961592b0107f789John McCall MD->getMemberSpecializationInfo()) { 532110e8e56af30363072c140285961592b0107f789John McCall TSK = MSI->getTemplateSpecializationKind(); 5333cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall } 5343cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall 535110e8e56af30363072c140285961592b0107f789John McCall // If we're paying attention to global visibility, apply 536110e8e56af30363072c140285961592b0107f789John McCall // -finline-visibility-hidden if this is an inline method. 537110e8e56af30363072c140285961592b0107f789John McCall // 538af14603ca61757cf4361b583b45639a04c57e651John McCall // Note that ConsiderGlobalVisibility doesn't yet have information 539af14603ca61757cf4361b583b45639a04c57e651John McCall // about whether containing classes have visibility attributes, 540af14603ca61757cf4361b583b45639a04c57e651John McCall // and that's intentional. 541af14603ca61757cf4361b583b45639a04c57e651John McCall if (TSK != TSK_ExplicitInstantiationDeclaration && 5423698748400478880d2a146ef9eaa111cd0e60522John McCall F.ConsiderGlobalVisibility && 54366cbcf3f150d075fead7c5935b6e9c61a32cf3d4John McCall MD->getASTContext().getLangOptions().InlineVisibilityHidden) { 54466cbcf3f150d075fead7c5935b6e9c61a32cf3d4John McCall // InlineVisibilityHidden only applies to definitions, and 54566cbcf3f150d075fead7c5935b6e9c61a32cf3d4John McCall // isInlined() only gives meaningful answers on definitions 54666cbcf3f150d075fead7c5935b6e9c61a32cf3d4John McCall // anyway. 54766cbcf3f150d075fead7c5935b6e9c61a32cf3d4John McCall const FunctionDecl *Def = 0; 54866cbcf3f150d075fead7c5935b6e9c61a32cf3d4John McCall if (MD->hasBody(Def) && Def->isInlined()) 54966cbcf3f150d075fead7c5935b6e9c61a32cf3d4John McCall LV.setVisibility(HiddenVisibility); 55066cbcf3f150d075fead7c5935b6e9c61a32cf3d4John McCall } 5511fb0caaa7bef765b85972274e3b434af2572c141John McCall 552110e8e56af30363072c140285961592b0107f789John McCall // Note that in contrast to basically every other situation, we 553110e8e56af30363072c140285961592b0107f789John McCall // *do* apply -fvisibility to method declarations. 554110e8e56af30363072c140285961592b0107f789John McCall 555110e8e56af30363072c140285961592b0107f789John McCall } else if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(D)) { 556110e8e56af30363072c140285961592b0107f789John McCall if (const ClassTemplateSpecializationDecl *Spec 557110e8e56af30363072c140285961592b0107f789John McCall = dyn_cast<ClassTemplateSpecializationDecl>(RD)) { 558110e8e56af30363072c140285961592b0107f789John McCall // Merge template argument/parameter information for member 559110e8e56af30363072c140285961592b0107f789John McCall // class template specializations. 560381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor LV.merge(getLVForTemplateArgumentList(Spec->getTemplateArgs(), F)); 5611a0918ade0a3490c7aff243f9cd519156dfcb0bdJohn McCall if (F.ConsiderTemplateParameterTypes) 5621a0918ade0a3490c7aff243f9cd519156dfcb0bdJohn McCall LV.merge(getLVForTemplateParameterList( 5631fb0caaa7bef765b85972274e3b434af2572c141John McCall Spec->getSpecializedTemplate()->getTemplateParameters())); 564110e8e56af30363072c140285961592b0107f789John McCall } 565110e8e56af30363072c140285961592b0107f789John McCall 566110e8e56af30363072c140285961592b0107f789John McCall // Static data members. 567110e8e56af30363072c140285961592b0107f789John McCall } else if (const VarDecl *VD = dyn_cast<VarDecl>(D)) { 568ee30102a9ef32cdbf0afe0e4c07a53d265a18f98John McCall // Modify the variable's linkage by its type, but ignore the 569ee30102a9ef32cdbf0afe0e4c07a53d265a18f98John McCall // type's visibility unless it's a definition. 570ee30102a9ef32cdbf0afe0e4c07a53d265a18f98John McCall LVPair TypeLV = VD->getType()->getLinkageAndVisibility(); 571ee30102a9ef32cdbf0afe0e4c07a53d265a18f98John McCall if (TypeLV.first != ExternalLinkage) 572af14603ca61757cf4361b583b45639a04c57e651John McCall LV.mergeLinkage(UniqueExternalLinkage); 573af14603ca61757cf4361b583b45639a04c57e651John McCall if (!LV.visibilityExplicit()) 574af14603ca61757cf4361b583b45639a04c57e651John McCall LV.mergeVisibility(TypeLV.second); 575110e8e56af30363072c140285961592b0107f789John McCall } 576110e8e56af30363072c140285961592b0107f789John McCall 5773698748400478880d2a146ef9eaa111cd0e60522John McCall F.ConsiderGlobalVisibility &= !LV.visibilityExplicit(); 578110e8e56af30363072c140285961592b0107f789John McCall 579110e8e56af30363072c140285961592b0107f789John McCall // Apply -fvisibility if desired. 5803698748400478880d2a146ef9eaa111cd0e60522John McCall if (F.ConsiderGlobalVisibility && LV.visibility() != HiddenVisibility) { 581af14603ca61757cf4361b583b45639a04c57e651John McCall LV.mergeVisibility(D->getASTContext().getLangOptions().getVisibilityMode()); 5823cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall } 5833cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall 5841fb0caaa7bef765b85972274e3b434af2572c141John McCall return LV; 5853cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall} 5863cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall 587f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCallstatic void clearLinkageForClass(const CXXRecordDecl *record) { 588f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall for (CXXRecordDecl::decl_iterator 589f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall i = record->decls_begin(), e = record->decls_end(); i != e; ++i) { 590f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall Decl *child = *i; 591f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall if (isa<NamedDecl>(child)) 592f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall cast<NamedDecl>(child)->ClearLinkageCache(); 593f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall } 594f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall} 595f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall 596f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCallvoid NamedDecl::ClearLinkageCache() { 597f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall // Note that we can't skip clearing the linkage of children just 598f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall // because the parent doesn't have cached linkage: we don't cache 599f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall // when computing linkage for parent contexts. 600f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall 601f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall HasCachedLinkage = 0; 602f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall 603f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall // If we're changing the linkage of a class, we need to reset the 604f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall // linkage of child declarations, too. 605f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall if (const CXXRecordDecl *record = dyn_cast<CXXRecordDecl>(this)) 606f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall clearLinkageForClass(record); 607f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall 60815e310a3b970b64a84cb30f0005bc396b4d978cbJohn McCall if (ClassTemplateDecl *temp = 60915e310a3b970b64a84cb30f0005bc396b4d978cbJohn McCall dyn_cast<ClassTemplateDecl>(const_cast<NamedDecl*>(this))) { 610f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall // Clear linkage for the template pattern. 611f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall CXXRecordDecl *record = temp->getTemplatedDecl(); 612f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall record->HasCachedLinkage = 0; 613f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall clearLinkageForClass(record); 614f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall 61515e310a3b970b64a84cb30f0005bc396b4d978cbJohn McCall // We need to clear linkage for specializations, too. 61615e310a3b970b64a84cb30f0005bc396b4d978cbJohn McCall for (ClassTemplateDecl::spec_iterator 61715e310a3b970b64a84cb30f0005bc396b4d978cbJohn McCall i = temp->spec_begin(), e = temp->spec_end(); i != e; ++i) 61815e310a3b970b64a84cb30f0005bc396b4d978cbJohn McCall i->ClearLinkageCache(); 619f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall } 62015e310a3b970b64a84cb30f0005bc396b4d978cbJohn McCall 62115e310a3b970b64a84cb30f0005bc396b4d978cbJohn McCall // Clear cached linkage for function template decls, too. 62215e310a3b970b64a84cb30f0005bc396b4d978cbJohn McCall if (FunctionTemplateDecl *temp = 62378951941f31d3c63c4178a1275e1a2db2e20da11John McCall dyn_cast<FunctionTemplateDecl>(const_cast<NamedDecl*>(this))) { 62478951941f31d3c63c4178a1275e1a2db2e20da11John McCall temp->getTemplatedDecl()->ClearLinkageCache(); 62515e310a3b970b64a84cb30f0005bc396b4d978cbJohn McCall for (FunctionTemplateDecl::spec_iterator 62615e310a3b970b64a84cb30f0005bc396b4d978cbJohn McCall i = temp->spec_begin(), e = temp->spec_end(); i != e; ++i) 62715e310a3b970b64a84cb30f0005bc396b4d978cbJohn McCall i->ClearLinkageCache(); 62878951941f31d3c63c4178a1275e1a2db2e20da11John McCall } 62915e310a3b970b64a84cb30f0005bc396b4d978cbJohn McCall 630f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall} 631f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall 632381d34e0b205ca27bcc7e7c1652561941c437965Douglas GregorLinkage NamedDecl::getLinkage() const { 633381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor if (HasCachedLinkage) { 63456ed7927232256516efcf6afb7bd59bad1e7af71Benjamin Kramer assert(Linkage(CachedLinkage) == 63556ed7927232256516efcf6afb7bd59bad1e7af71Benjamin Kramer getLVForDecl(this, LVFlags::CreateOnlyDeclLinkage()).linkage()); 636381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor return Linkage(CachedLinkage); 637381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor } 638381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor 639381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor CachedLinkage = getLVForDecl(this, 640381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor LVFlags::CreateOnlyDeclLinkage()).linkage(); 641381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor HasCachedLinkage = 1; 642381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor return Linkage(CachedLinkage); 643381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor} 644381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor 645af14603ca61757cf4361b583b45639a04c57e651John McCallLinkageInfo NamedDecl::getLinkageAndVisibility() const { 646381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor LinkageInfo LI = getLVForDecl(this, LVFlags()); 64756ed7927232256516efcf6afb7bd59bad1e7af71Benjamin Kramer assert(!HasCachedLinkage || Linkage(CachedLinkage) == LI.linkage()); 648381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor HasCachedLinkage = 1; 649381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor CachedLinkage = LI.linkage(); 650381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor return LI; 6510df9587ab011c12968fcbe3518666b2117afe350John McCall} 652becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek 6534421d2b341d041df44013769f23c306308bbab83Douglas Gregorllvm::Optional<Visibility> NamedDecl::getExplicitVisibility() const { 6544421d2b341d041df44013769f23c306308bbab83Douglas Gregor // Use the most recent declaration of a variable. 6554421d2b341d041df44013769f23c306308bbab83Douglas Gregor if (const VarDecl *var = dyn_cast<VarDecl>(this)) 6564421d2b341d041df44013769f23c306308bbab83Douglas Gregor return getVisibilityOf(var->getMostRecentDeclaration()); 6574421d2b341d041df44013769f23c306308bbab83Douglas Gregor 6584421d2b341d041df44013769f23c306308bbab83Douglas Gregor // Use the most recent declaration of a function, and also handle 6594421d2b341d041df44013769f23c306308bbab83Douglas Gregor // function template specializations. 6604421d2b341d041df44013769f23c306308bbab83Douglas Gregor if (const FunctionDecl *fn = dyn_cast<FunctionDecl>(this)) { 6614421d2b341d041df44013769f23c306308bbab83Douglas Gregor if (llvm::Optional<Visibility> V 6624421d2b341d041df44013769f23c306308bbab83Douglas Gregor = getVisibilityOf(fn->getMostRecentDeclaration())) 6634421d2b341d041df44013769f23c306308bbab83Douglas Gregor return V; 6644421d2b341d041df44013769f23c306308bbab83Douglas Gregor 6654421d2b341d041df44013769f23c306308bbab83Douglas Gregor // If the function is a specialization of a template with an 6664421d2b341d041df44013769f23c306308bbab83Douglas Gregor // explicit visibility attribute, use that. 6674421d2b341d041df44013769f23c306308bbab83Douglas Gregor if (FunctionTemplateSpecializationInfo *templateInfo 6684421d2b341d041df44013769f23c306308bbab83Douglas Gregor = fn->getTemplateSpecializationInfo()) 6694421d2b341d041df44013769f23c306308bbab83Douglas Gregor return getVisibilityOf(templateInfo->getTemplate()->getTemplatedDecl()); 6704421d2b341d041df44013769f23c306308bbab83Douglas Gregor 6714421d2b341d041df44013769f23c306308bbab83Douglas Gregor return llvm::Optional<Visibility>(); 6724421d2b341d041df44013769f23c306308bbab83Douglas Gregor } 6734421d2b341d041df44013769f23c306308bbab83Douglas Gregor 6744421d2b341d041df44013769f23c306308bbab83Douglas Gregor // Otherwise, just check the declaration itself first. 6754421d2b341d041df44013769f23c306308bbab83Douglas Gregor if (llvm::Optional<Visibility> V = getVisibilityOf(this)) 6764421d2b341d041df44013769f23c306308bbab83Douglas Gregor return V; 6774421d2b341d041df44013769f23c306308bbab83Douglas Gregor 6784421d2b341d041df44013769f23c306308bbab83Douglas Gregor // If there wasn't explicit visibility there, and this is a 6794421d2b341d041df44013769f23c306308bbab83Douglas Gregor // specialization of a class template, check for visibility 6804421d2b341d041df44013769f23c306308bbab83Douglas Gregor // on the pattern. 6814421d2b341d041df44013769f23c306308bbab83Douglas Gregor if (const ClassTemplateSpecializationDecl *spec 6824421d2b341d041df44013769f23c306308bbab83Douglas Gregor = dyn_cast<ClassTemplateSpecializationDecl>(this)) 6834421d2b341d041df44013769f23c306308bbab83Douglas Gregor return getVisibilityOf(spec->getSpecializedTemplate()->getTemplatedDecl()); 6844421d2b341d041df44013769f23c306308bbab83Douglas Gregor 6854421d2b341d041df44013769f23c306308bbab83Douglas Gregor return llvm::Optional<Visibility>(); 6864421d2b341d041df44013769f23c306308bbab83Douglas Gregor} 6874421d2b341d041df44013769f23c306308bbab83Douglas Gregor 6883698748400478880d2a146ef9eaa111cd0e60522John McCallstatic LinkageInfo getLVForDecl(const NamedDecl *D, LVFlags Flags) { 689becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek // Objective-C: treat all Objective-C declarations as having external 690becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek // linkage. 6910df9587ab011c12968fcbe3518666b2117afe350John McCall switch (D->getKind()) { 692becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek default: 693becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek break; 6941fb0caaa7bef765b85972274e3b434af2572c141John McCall case Decl::TemplateTemplateParm: // count these as external 6951fb0caaa7bef765b85972274e3b434af2572c141John McCall case Decl::NonTypeTemplateParm: 696becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCAtDefsField: 697becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCCategory: 698becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCCategoryImpl: 699becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCCompatibleAlias: 700becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCForwardProtocol: 701becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCImplementation: 702becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCMethod: 703becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCProperty: 704becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCPropertyImpl: 705becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCProtocol: 706af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::external(); 707becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek } 708becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek 709d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // Handle linkage for namespace-scope names. 7100df9587ab011c12968fcbe3518666b2117afe350John McCall if (D->getDeclContext()->getRedeclContext()->isFileContext()) 7113698748400478880d2a146ef9eaa111cd0e60522John McCall return getLVForNamespaceScopeDecl(D, Flags); 712d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 713d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C++ [basic.link]p5: 714d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // In addition, a member function, static data member, a named 715d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // class or enumeration of class scope, or an unnamed class or 716d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // enumeration defined in a class-scope typedef declaration such 717d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // that the class or enumeration has the typedef name for linkage 718d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // purposes (7.1.3), has external linkage if the name of the class 719d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // has external linkage. 7200df9587ab011c12968fcbe3518666b2117afe350John McCall if (D->getDeclContext()->isRecord()) 7213698748400478880d2a146ef9eaa111cd0e60522John McCall return getLVForClassMember(D, Flags); 722d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 723d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C++ [basic.link]p6: 724d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // The name of a function declared in block scope and the name of 725d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // an object declared by a block scope extern declaration have 726d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // linkage. If there is a visible declaration of an entity with 727d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // linkage having the same name and type, ignoring entities 728d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // declared outside the innermost enclosing namespace scope, the 729d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // block scope declaration declares that same entity and receives 730d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // the linkage of the previous declaration. If there is more than 731d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // one such matching entity, the program is ill-formed. Otherwise, 732d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // if no matching entity is found, the block scope entity receives 733d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // external linkage. 7340df9587ab011c12968fcbe3518666b2117afe350John McCall if (D->getLexicalDeclContext()->isFunctionOrMethod()) { 7350df9587ab011c12968fcbe3518666b2117afe350John McCall if (const FunctionDecl *Function = dyn_cast<FunctionDecl>(D)) { 73610aad449dfbb5b43611d45b99c88dfc26db7fac9Chandler Carruth if (Function->isInAnonymousNamespace() && !Function->isExternC()) 737af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::uniqueExternal(); 7381fb0caaa7bef765b85972274e3b434af2572c141John McCall 739af14603ca61757cf4361b583b45639a04c57e651John McCall LinkageInfo LV; 740381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor if (Flags.ConsiderVisibilityAttributes) { 7414421d2b341d041df44013769f23c306308bbab83Douglas Gregor if (llvm::Optional<Visibility> Vis = Function->getExplicitVisibility()) 7424421d2b341d041df44013769f23c306308bbab83Douglas Gregor LV.setVisibility(*Vis); 743381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor } 744381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor 7451fb0caaa7bef765b85972274e3b434af2572c141John McCall if (const FunctionDecl *Prev = Function->getPreviousDeclaration()) { 746381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor LinkageInfo PrevLV = getLVForDecl(Prev, Flags); 747af14603ca61757cf4361b583b45639a04c57e651John McCall if (PrevLV.linkage()) LV.setLinkage(PrevLV.linkage()); 748af14603ca61757cf4361b583b45639a04c57e651John McCall LV.mergeVisibility(PrevLV); 7491fb0caaa7bef765b85972274e3b434af2572c141John McCall } 7500b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 7511fb0caaa7bef765b85972274e3b434af2572c141John McCall return LV; 752d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 753d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 7540df9587ab011c12968fcbe3518666b2117afe350John McCall if (const VarDecl *Var = dyn_cast<VarDecl>(D)) 755d931b086984257de68868a64a235c2b4b34003fbJohn McCall if (Var->getStorageClass() == SC_Extern || 756d931b086984257de68868a64a235c2b4b34003fbJohn McCall Var->getStorageClass() == SC_PrivateExtern) { 75710aad449dfbb5b43611d45b99c88dfc26db7fac9Chandler Carruth if (Var->isInAnonymousNamespace() && !Var->isExternC()) 758af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::uniqueExternal(); 7591fb0caaa7bef765b85972274e3b434af2572c141John McCall 760af14603ca61757cf4361b583b45639a04c57e651John McCall LinkageInfo LV; 7611fb0caaa7bef765b85972274e3b434af2572c141John McCall if (Var->getStorageClass() == SC_PrivateExtern) 762af14603ca61757cf4361b583b45639a04c57e651John McCall LV.setVisibility(HiddenVisibility); 763381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor else if (Flags.ConsiderVisibilityAttributes) { 7644421d2b341d041df44013769f23c306308bbab83Douglas Gregor if (llvm::Optional<Visibility> Vis = Var->getExplicitVisibility()) 7654421d2b341d041df44013769f23c306308bbab83Douglas Gregor LV.setVisibility(*Vis); 766381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor } 767381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor 7681fb0caaa7bef765b85972274e3b434af2572c141John McCall if (const VarDecl *Prev = Var->getPreviousDeclaration()) { 769381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor LinkageInfo PrevLV = getLVForDecl(Prev, Flags); 770af14603ca61757cf4361b583b45639a04c57e651John McCall if (PrevLV.linkage()) LV.setLinkage(PrevLV.linkage()); 771af14603ca61757cf4361b583b45639a04c57e651John McCall LV.mergeVisibility(PrevLV); 7721fb0caaa7bef765b85972274e3b434af2572c141John McCall } 7731fb0caaa7bef765b85972274e3b434af2572c141John McCall 7741fb0caaa7bef765b85972274e3b434af2572c141John McCall return LV; 775d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 776d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 777d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 778d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C++ [basic.link]p6: 779d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // Names not covered by these rules have no linkage. 780af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::none(); 7811fb0caaa7bef765b85972274e3b434af2572c141John McCall} 782d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 78347b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregorstd::string NamedDecl::getQualifiedNameAsString() const { 7843a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson return getQualifiedNameAsString(getASTContext().getLangOptions()); 7853a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson} 7863a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson 7873a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlssonstd::string NamedDecl::getQualifiedNameAsString(const PrintingPolicy &P) const { 78847b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor const DeclContext *Ctx = getDeclContext(); 78947b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 79047b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor if (Ctx->isFunctionOrMethod()) 79147b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor return getNameAsString(); 79247b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 79368eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer typedef llvm::SmallVector<const DeclContext *, 8> ContextsTy; 79468eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer ContextsTy Contexts; 79568eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer 79668eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer // Collect contexts. 79768eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer while (Ctx && isa<NamedDecl>(Ctx)) { 79868eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer Contexts.push_back(Ctx); 79968eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer Ctx = Ctx->getParent(); 80068eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer }; 80168eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer 80268eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer std::string QualName; 80368eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer llvm::raw_string_ostream OS(QualName); 80468eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer 80568eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer for (ContextsTy::reverse_iterator I = Contexts.rbegin(), E = Contexts.rend(); 80668eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer I != E; ++I) { 8071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ClassTemplateSpecializationDecl *Spec 80868eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer = dyn_cast<ClassTemplateSpecializationDecl>(*I)) { 809f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregor const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); 810f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregor std::string TemplateArgsStr 811f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregor = TemplateSpecializationType::PrintTemplateArgumentList( 812910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgs.data(), 813910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgs.size(), 8143a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson P); 81568eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << Spec->getName() << TemplateArgsStr; 81668eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer } else if (const NamespaceDecl *ND = dyn_cast<NamespaceDecl>(*I)) { 8176be112049b24ffaa8508646aa695834b4b5ca2b2Sam Weinig if (ND->isAnonymousNamespace()) 81868eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << "<anonymous namespace>"; 8196be112049b24ffaa8508646aa695834b4b5ca2b2Sam Weinig else 82068eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << ND; 82168eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer } else if (const RecordDecl *RD = dyn_cast<RecordDecl>(*I)) { 82268eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer if (!RD->getIdentifier()) 82368eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << "<anonymous " << RD->getKindName() << '>'; 82468eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer else 82568eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << RD; 82668eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer } else if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(*I)) { 8273521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig const FunctionProtoType *FT = 0; 8283521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig if (FD->hasWrittenPrototype()) 8293521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig FT = dyn_cast<FunctionProtoType>(FD->getType()->getAs<FunctionType>()); 8303521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig 83168eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << FD << '('; 8323521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig if (FT) { 8333521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig unsigned NumParams = FD->getNumParams(); 8343521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig for (unsigned i = 0; i < NumParams; ++i) { 8353521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig if (i) 83668eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << ", "; 8373521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig std::string Param; 8383521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig FD->getParamDecl(i)->getType().getAsStringInternal(Param, P); 83968eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << Param; 8403521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig } 8413521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig 8423521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig if (FT->isVariadic()) { 8433521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig if (NumParams > 0) 84468eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << ", "; 84568eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << "..."; 8463521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig } 8473521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig } 84868eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << ')'; 84968eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer } else { 85068eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << cast<NamedDecl>(*I); 85168eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer } 85268eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << "::"; 85347b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor } 85447b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 8558472af4df9292e02fb25c952d25a81f3ca296252John McCall if (getDeclName()) 85668eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << this; 8578472af4df9292e02fb25c952d25a81f3ca296252John McCall else 85868eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << "<anonymous>"; 85947b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 86068eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer return OS.str(); 86147b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor} 86247b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 8634afa39deaa245592977136d367251ee2c173dd8dDouglas Gregorbool NamedDecl::declarationReplaces(NamedDecl *OldD) const { 8646ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor assert(getDeclName() == OldD->getDeclName() && "Declaration name mismatch"); 8656ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor 8662a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor // UsingDirectiveDecl's are not really NamedDecl's, and all have same name. 8672a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor // We want to keep it, unless it nominates same namespace. 8682a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor if (getKind() == Decl::UsingDirective) { 869db9924191092b4d426cc066637d81698211846aaDouglas Gregor return cast<UsingDirectiveDecl>(this)->getNominatedNamespace() 870db9924191092b4d426cc066637d81698211846aaDouglas Gregor ->getOriginalNamespace() == 871db9924191092b4d426cc066637d81698211846aaDouglas Gregor cast<UsingDirectiveDecl>(OldD)->getNominatedNamespace() 872db9924191092b4d426cc066637d81698211846aaDouglas Gregor ->getOriginalNamespace(); 8732a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor } 8741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8756ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(this)) 8766ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor // For function declarations, we keep track of redeclarations. 8776ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor return FD->getPreviousDeclaration() == OldD; 8786ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor 879e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor // For function templates, the underlying function declarations are linked. 880e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor if (const FunctionTemplateDecl *FunctionTemplate 881e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor = dyn_cast<FunctionTemplateDecl>(this)) 882e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor if (const FunctionTemplateDecl *OldFunctionTemplate 883e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor = dyn_cast<FunctionTemplateDecl>(OldD)) 884e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor return FunctionTemplate->getTemplatedDecl() 885e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor ->declarationReplaces(OldFunctionTemplate->getTemplatedDecl()); 8861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8870de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff // For method declarations, we keep track of redeclarations. 8880de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff if (isa<ObjCMethodDecl>(this)) 8890de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff return false; 8901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 891f36e02d4aff98bf2e52e342e0038d4172fbb5e64John McCall if (isa<ObjCInterfaceDecl>(this) && isa<ObjCCompatibleAliasDecl>(OldD)) 892f36e02d4aff98bf2e52e342e0038d4172fbb5e64John McCall return true; 893f36e02d4aff98bf2e52e342e0038d4172fbb5e64John McCall 8949488ea120e093068021f944176c3d610dd540914John McCall if (isa<UsingShadowDecl>(this) && isa<UsingShadowDecl>(OldD)) 8959488ea120e093068021f944176c3d610dd540914John McCall return cast<UsingShadowDecl>(this)->getTargetDecl() == 8969488ea120e093068021f944176c3d610dd540914John McCall cast<UsingShadowDecl>(OldD)->getTargetDecl(); 8979488ea120e093068021f944176c3d610dd540914John McCall 898dc355713be51fcb4ee52d9fd6b4548ceff47fadfDouglas Gregor if (isa<UsingDecl>(this) && isa<UsingDecl>(OldD)) { 899dc355713be51fcb4ee52d9fd6b4548ceff47fadfDouglas Gregor ASTContext &Context = getASTContext(); 900dc355713be51fcb4ee52d9fd6b4548ceff47fadfDouglas Gregor return Context.getCanonicalNestedNameSpecifier( 901dc355713be51fcb4ee52d9fd6b4548ceff47fadfDouglas Gregor cast<UsingDecl>(this)->getQualifier()) == 902dc355713be51fcb4ee52d9fd6b4548ceff47fadfDouglas Gregor Context.getCanonicalNestedNameSpecifier( 903dc355713be51fcb4ee52d9fd6b4548ceff47fadfDouglas Gregor cast<UsingDecl>(OldD)->getQualifier()); 904dc355713be51fcb4ee52d9fd6b4548ceff47fadfDouglas Gregor } 905c80117e7971c34088f3e254c849ec3a40205d2c3Argyrios Kyrtzidis 9066ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor // For non-function declarations, if the declarations are of the 9076ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor // same kind then this must be a redeclaration, or semantic analysis 9086ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor // would not have given us the new declaration. 9096ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor return this->getKind() == OldD->getKind(); 9106ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor} 9116ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor 912d6f7e9dccd0fa8a5a15d7478324c0ae229fc5e1eDouglas Gregorbool NamedDecl::hasLinkage() const { 913d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor return getLinkage() != NoLinkage; 914d6f7e9dccd0fa8a5a15d7478324c0ae229fc5e1eDouglas Gregor} 9154afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor 916e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders CarlssonNamedDecl *NamedDecl::getUnderlyingDecl() { 917e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson NamedDecl *ND = this; 918e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson while (true) { 9199488ea120e093068021f944176c3d610dd540914John McCall if (UsingShadowDecl *UD = dyn_cast<UsingShadowDecl>(ND)) 920e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson ND = UD->getTargetDecl(); 921e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson else if (ObjCCompatibleAliasDecl *AD 922e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson = dyn_cast<ObjCCompatibleAliasDecl>(ND)) 923e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson return AD->getClassInterface(); 924e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson else 925e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson return ND; 926e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson } 927e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson} 928e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson 929161755a09898c95d21bfff33707da9ca41cd53c5John McCallbool NamedDecl::isCXXInstanceMember() const { 930161755a09898c95d21bfff33707da9ca41cd53c5John McCall assert(isCXXClassMember() && 931161755a09898c95d21bfff33707da9ca41cd53c5John McCall "checking whether non-member is instance member"); 932161755a09898c95d21bfff33707da9ca41cd53c5John McCall 933161755a09898c95d21bfff33707da9ca41cd53c5John McCall const NamedDecl *D = this; 934161755a09898c95d21bfff33707da9ca41cd53c5John McCall if (isa<UsingShadowDecl>(D)) 935161755a09898c95d21bfff33707da9ca41cd53c5John McCall D = cast<UsingShadowDecl>(D)->getTargetDecl(); 936161755a09898c95d21bfff33707da9ca41cd53c5John McCall 93787c2e121cf0522fc266efe2922b58091cd2e0182Francois Pichet if (isa<FieldDecl>(D) || isa<IndirectFieldDecl>(D)) 938161755a09898c95d21bfff33707da9ca41cd53c5John McCall return true; 939161755a09898c95d21bfff33707da9ca41cd53c5John McCall if (isa<CXXMethodDecl>(D)) 940161755a09898c95d21bfff33707da9ca41cd53c5John McCall return cast<CXXMethodDecl>(D)->isInstance(); 941161755a09898c95d21bfff33707da9ca41cd53c5John McCall if (isa<FunctionTemplateDecl>(D)) 942161755a09898c95d21bfff33707da9ca41cd53c5John McCall return cast<CXXMethodDecl>(cast<FunctionTemplateDecl>(D) 943161755a09898c95d21bfff33707da9ca41cd53c5John McCall ->getTemplatedDecl())->isInstance(); 944161755a09898c95d21bfff33707da9ca41cd53c5John McCall return false; 945161755a09898c95d21bfff33707da9ca41cd53c5John McCall} 946161755a09898c95d21bfff33707da9ca41cd53c5John McCall 9475239304ff761b8b03eefb772bd5d830a9b9f1aeaArgyrios Kyrtzidis//===----------------------------------------------------------------------===// 948a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis// DeclaratorDecl Implementation 949a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis//===----------------------------------------------------------------------===// 950a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis 9511693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregortemplate <typename DeclT> 9521693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregorstatic SourceLocation getTemplateOrInnerLocStart(const DeclT *decl) { 9531693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor if (decl->getNumTemplateParameterLists() > 0) 9541693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor return decl->getTemplateParameterList(0)->getTemplateLoc(); 9551693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor else 9561693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor return decl->getInnerLocStart(); 9571693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor} 9581693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor 959a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios KyrtzidisSourceLocation DeclaratorDecl::getTypeSpecStartLoc() const { 9604e449836c0deee9cfd92d32cb7d843759fa6452bJohn McCall TypeSourceInfo *TSI = getTypeSourceInfo(); 9614e449836c0deee9cfd92d32cb7d843759fa6452bJohn McCall if (TSI) return TSI->getTypeLoc().getBeginLoc(); 962a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis return SourceLocation(); 963a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis} 964a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis 965c22b5fff39a7520207f165fb16a27a34b944bd9cDouglas Gregorvoid DeclaratorDecl::setQualifierInfo(NestedNameSpecifierLoc QualifierLoc) { 966c22b5fff39a7520207f165fb16a27a34b944bd9cDouglas Gregor if (QualifierLoc) { 967b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Make sure the extended decl info is allocated. 968b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (!hasExtInfo()) { 969b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Save (non-extended) type source info pointer. 970b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall TypeSourceInfo *savedTInfo = DeclInfo.get<TypeSourceInfo*>(); 971b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Allocate external info struct. 972b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall DeclInfo = new (getASTContext()) ExtInfo; 973b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Restore savedTInfo into (extended) decl info. 974b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall getExtInfo()->TInfo = savedTInfo; 975b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall } 976b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Set qualifier info. 977c22b5fff39a7520207f165fb16a27a34b944bd9cDouglas Gregor getExtInfo()->QualifierLoc = QualifierLoc; 978b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall } 979b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall else { 980b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Here Qualifier == 0, i.e., we are removing the qualifier (if any). 981b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (hasExtInfo()) { 9827f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara if (getExtInfo()->NumTemplParamLists == 0) { 9837f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara // Save type source info pointer. 9847f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara TypeSourceInfo *savedTInfo = getExtInfo()->TInfo; 9857f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara // Deallocate the extended decl info. 9867f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara getASTContext().Deallocate(getExtInfo()); 9877f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara // Restore savedTInfo into (non-extended) decl info. 9887f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara DeclInfo = savedTInfo; 9897f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara } 9907f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara else 9917f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara getExtInfo()->QualifierLoc = QualifierLoc; 992b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall } 993b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall } 994b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall} 995b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 9967f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnaravoid 9977f0a915eb546d353071be08c8adec155e5d9a0dcAbramo BagnaraDeclaratorDecl::setTemplateParameterListsInfo(ASTContext &Context, 9987f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara unsigned NumTPLists, 9997f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara TemplateParameterList **TPLists) { 10007f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara assert(NumTPLists > 0); 10017f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara // Make sure the extended decl info is allocated. 10027f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara if (!hasExtInfo()) { 10037f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara // Save (non-extended) type source info pointer. 10047f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara TypeSourceInfo *savedTInfo = DeclInfo.get<TypeSourceInfo*>(); 10057f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara // Allocate external info struct. 10067f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara DeclInfo = new (getASTContext()) ExtInfo; 10077f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara // Restore savedTInfo into (extended) decl info. 10087f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara getExtInfo()->TInfo = savedTInfo; 10097f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara } 10107f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara // Set the template parameter lists info. 10117f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara getExtInfo()->setTemplateParameterListsInfo(Context, NumTPLists, TPLists); 10127f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara} 10137f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara 10141693e154bef16ca060b5e3786d8528ddc11f5637Douglas GregorSourceLocation DeclaratorDecl::getOuterLocStart() const { 10151693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor return getTemplateOrInnerLocStart(this); 10161693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor} 10171693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor 1018a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnaranamespace { 1019a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara 1020a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara// Helper function: returns true if QT is or contains a type 1021a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara// having a postfix component. 1022a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnarabool typeIsPostfix(clang::QualType QT) { 1023a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara while (true) { 1024a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara const Type* T = QT.getTypePtr(); 1025a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara switch (T->getTypeClass()) { 1026a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara default: 1027a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara return false; 1028a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara case Type::Pointer: 1029a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara QT = cast<PointerType>(T)->getPointeeType(); 1030a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara break; 1031a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara case Type::BlockPointer: 1032a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara QT = cast<BlockPointerType>(T)->getPointeeType(); 1033a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara break; 1034a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara case Type::MemberPointer: 1035a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara QT = cast<MemberPointerType>(T)->getPointeeType(); 1036a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara break; 1037a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara case Type::LValueReference: 1038a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara case Type::RValueReference: 1039a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara QT = cast<ReferenceType>(T)->getPointeeType(); 1040a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara break; 1041a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara case Type::PackExpansion: 1042a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara QT = cast<PackExpansionType>(T)->getPattern(); 1043a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara break; 1044a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara case Type::Paren: 1045a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara case Type::ConstantArray: 1046a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara case Type::DependentSizedArray: 1047a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara case Type::IncompleteArray: 1048a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara case Type::VariableArray: 1049a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara case Type::FunctionProto: 1050a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara case Type::FunctionNoProto: 1051a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara return true; 1052a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara } 1053a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara } 1054a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara} 1055a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara 1056a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara} // namespace 1057a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara 1058a2026c96d3935e7909e049ad9096762844544ed6Abramo BagnaraSourceRange DeclaratorDecl::getSourceRange() const { 1059a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara SourceLocation RangeEnd = getLocation(); 1060a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara if (TypeSourceInfo *TInfo = getTypeSourceInfo()) { 1061a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara if (typeIsPostfix(TInfo->getType())) 1062a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara RangeEnd = TInfo->getTypeLoc().getSourceRange().getEnd(); 1063a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara } 1064a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara return SourceRange(getOuterLocStart(), RangeEnd); 1065a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara} 1066a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara 10679b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnaravoid 1068c722ea4fbf886d6460b256b5e819a4ee751d5fffDouglas GregorQualifierInfo::setTemplateParameterListsInfo(ASTContext &Context, 1069c722ea4fbf886d6460b256b5e819a4ee751d5fffDouglas Gregor unsigned NumTPLists, 10709b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara TemplateParameterList **TPLists) { 10719b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara assert((NumTPLists == 0 || TPLists != 0) && 10729b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara "Empty array of template parameters with positive size!"); 10739b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara 10749b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara // Free previous template parameters (if any). 10759b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara if (NumTemplParamLists > 0) { 1076c722ea4fbf886d6460b256b5e819a4ee751d5fffDouglas Gregor Context.Deallocate(TemplParamLists); 10779b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara TemplParamLists = 0; 10789b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara NumTemplParamLists = 0; 10799b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara } 10809b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara // Set info on matched template parameter lists (if any). 10819b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara if (NumTPLists > 0) { 1082c722ea4fbf886d6460b256b5e819a4ee751d5fffDouglas Gregor TemplParamLists = new (Context) TemplateParameterList*[NumTPLists]; 10839b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara NumTemplParamLists = NumTPLists; 10849b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara for (unsigned i = NumTPLists; i-- > 0; ) 10859b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara TemplParamLists[i] = TPLists[i]; 10869b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara } 10879b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara} 10889b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara 1089a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis//===----------------------------------------------------------------------===// 109099f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes// VarDecl Implementation 109199f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes//===----------------------------------------------------------------------===// 109299f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes 10937783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlconst char *VarDecl::getStorageClassSpecifierString(StorageClass SC) { 10947783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl switch (SC) { 1095d931b086984257de68868a64a235c2b4b34003fbJohn McCall case SC_None: break; 1096d931b086984257de68868a64a235c2b4b34003fbJohn McCall case SC_Auto: return "auto"; break; 1097d931b086984257de68868a64a235c2b4b34003fbJohn McCall case SC_Extern: return "extern"; break; 1098d931b086984257de68868a64a235c2b4b34003fbJohn McCall case SC_PrivateExtern: return "__private_extern__"; break; 1099d931b086984257de68868a64a235c2b4b34003fbJohn McCall case SC_Register: return "register"; break; 1100d931b086984257de68868a64a235c2b4b34003fbJohn McCall case SC_Static: return "static"; break; 11017783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl } 11027783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 11037783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl assert(0 && "Invalid storage class"); 11047783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return 0; 11057783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 11067783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 1107ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo BagnaraVarDecl *VarDecl::Create(ASTContext &C, DeclContext *DC, 1108ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation StartL, SourceLocation IdL, 1109a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall IdentifierInfo *Id, QualType T, TypeSourceInfo *TInfo, 111016573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor StorageClass S, StorageClass SCAsWritten) { 1111ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara return new (C) VarDecl(Var, DC, StartL, IdL, Id, T, TInfo, S, SCAsWritten); 111299f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes} 111399f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes 1114381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregorvoid VarDecl::setStorageClass(StorageClass SC) { 1115381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor assert(isLegalForVariable(SC)); 1116381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor if (getStorageClass() != SC) 1117381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor ClearLinkageCache(); 1118381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor 1119381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor SClass = SC; 1120381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor} 1121381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor 11221693e154bef16ca060b5e3786d8528ddc11f5637Douglas GregorSourceRange VarDecl::getSourceRange() const { 112355d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis if (getInit()) 11241693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor return SourceRange(getOuterLocStart(), getInit()->getLocEnd()); 1125a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara return DeclaratorDecl::getSourceRange(); 112655d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis} 112755d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis 11287783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlbool VarDecl::isExternC() const { 11297783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl ASTContext &Context = getASTContext(); 11307783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (!Context.getLangOptions().CPlusPlus) 11317783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return (getDeclContext()->isTranslationUnit() && 1132d931b086984257de68868a64a235c2b4b34003fbJohn McCall getStorageClass() != SC_Static) || 11337783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl (getDeclContext()->isFunctionOrMethod() && hasExternalStorage()); 11347783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 113510aad449dfbb5b43611d45b99c88dfc26db7fac9Chandler Carruth const DeclContext *DC = getDeclContext(); 113610aad449dfbb5b43611d45b99c88dfc26db7fac9Chandler Carruth if (DC->isFunctionOrMethod()) 113710aad449dfbb5b43611d45b99c88dfc26db7fac9Chandler Carruth return false; 113810aad449dfbb5b43611d45b99c88dfc26db7fac9Chandler Carruth 113910aad449dfbb5b43611d45b99c88dfc26db7fac9Chandler Carruth for (; !DC->isTranslationUnit(); DC = DC->getParent()) { 11407783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (const LinkageSpecDecl *Linkage = dyn_cast<LinkageSpecDecl>(DC)) { 11417783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (Linkage->getLanguage() == LinkageSpecDecl::lang_c) 1142d931b086984257de68868a64a235c2b4b34003fbJohn McCall return getStorageClass() != SC_Static; 11437783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 11447783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl break; 11457783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl } 11467783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 11477783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl } 11487783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 11497783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return false; 11507783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 11517783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 11527783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlVarDecl *VarDecl::getCanonicalDecl() { 11537783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return getFirstDeclaration(); 11547783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 11557783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 1156e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian RedlVarDecl::DefinitionKind VarDecl::isThisDeclarationADefinition() const { 1157e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // C++ [basic.def]p2: 1158e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // A declaration is a definition unless [...] it contains the 'extern' 1159e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // specifier or a linkage-specification and neither an initializer [...], 1160e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // it declares a static data member in a class declaration [...]. 1161e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // C++ [temp.expl.spec]p15: 1162e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // An explicit specialization of a static data member of a template is a 1163e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // definition if the declaration includes an initializer; otherwise, it is 1164e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // a declaration. 1165e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (isStaticDataMember()) { 1166e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (isOutOfLine() && (hasInit() || 1167e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl getTemplateSpecializationKind() != TSK_ExplicitSpecialization)) 1168e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return Definition; 1169e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl else 1170e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return DeclarationOnly; 1171e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl } 1172e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // C99 6.7p5: 1173e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // A definition of an identifier is a declaration for that identifier that 1174e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // [...] causes storage to be reserved for that object. 1175e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // Note: that applies for all non-file-scope objects. 1176e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // C99 6.9.2p1: 1177e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // If the declaration of an identifier for an object has file scope and an 1178e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // initializer, the declaration is an external definition for the identifier 1179e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (hasInit()) 1180e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return Definition; 1181e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // AST for 'extern "C" int foo;' is annotated with 'extern'. 1182e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (hasExternalStorage()) 1183e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return DeclarationOnly; 11842bf6d7b1f7406ca4dfe841d4f6ef4b91dce195e4Fariborz Jahanian 1185d931b086984257de68868a64a235c2b4b34003fbJohn McCall if (getStorageClassAsWritten() == SC_Extern || 1186d931b086984257de68868a64a235c2b4b34003fbJohn McCall getStorageClassAsWritten() == SC_PrivateExtern) { 11872bf6d7b1f7406ca4dfe841d4f6ef4b91dce195e4Fariborz Jahanian for (const VarDecl *PrevVar = getPreviousDeclaration(); 11882bf6d7b1f7406ca4dfe841d4f6ef4b91dce195e4Fariborz Jahanian PrevVar; PrevVar = PrevVar->getPreviousDeclaration()) { 11892bf6d7b1f7406ca4dfe841d4f6ef4b91dce195e4Fariborz Jahanian if (PrevVar->getLinkage() == InternalLinkage && PrevVar->hasInit()) 11902bf6d7b1f7406ca4dfe841d4f6ef4b91dce195e4Fariborz Jahanian return DeclarationOnly; 11912bf6d7b1f7406ca4dfe841d4f6ef4b91dce195e4Fariborz Jahanian } 11922bf6d7b1f7406ca4dfe841d4f6ef4b91dce195e4Fariborz Jahanian } 1193e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // C99 6.9.2p2: 1194e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // A declaration of an object that has file scope without an initializer, 1195e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // and without a storage class specifier or the scs 'static', constitutes 1196e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // a tentative definition. 1197e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // No such thing in C++. 1198e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (!getASTContext().getLangOptions().CPlusPlus && isFileVarDecl()) 1199e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return TentativeDefinition; 1200e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 1201e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // What's left is (in C, block-scope) declarations without initializers or 1202e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // external storage. These are definitions. 1203e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return Definition; 1204e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl} 1205e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 1206e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian RedlVarDecl *VarDecl::getActingDefinition() { 1207e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl DefinitionKind Kind = isThisDeclarationADefinition(); 1208e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (Kind != TentativeDefinition) 1209e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return 0; 1210e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 1211f0ed9ef428a051bafc914b9935dcd1d1aa30cf3fChris Lattner VarDecl *LastTentative = 0; 1212e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl VarDecl *First = getFirstDeclaration(); 1213e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl for (redecl_iterator I = First->redecls_begin(), E = First->redecls_end(); 1214e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl I != E; ++I) { 1215e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl Kind = (*I)->isThisDeclarationADefinition(); 1216e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (Kind == Definition) 1217e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return 0; 1218e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl else if (Kind == TentativeDefinition) 1219e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl LastTentative = *I; 1220e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl } 1221e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return LastTentative; 1222e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl} 1223e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 1224e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redlbool VarDecl::isTentativeDefinitionNow() const { 1225e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl DefinitionKind Kind = isThisDeclarationADefinition(); 1226e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (Kind != TentativeDefinition) 1227e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return false; 1228e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 1229e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl for (redecl_iterator I = redecls_begin(), E = redecls_end(); I != E; ++I) { 1230e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if ((*I)->isThisDeclarationADefinition() == Definition) 1231e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return false; 1232e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl } 123331310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl return true; 123431310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl} 123531310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl 123631310a21fb2a9f13950f864f681c86080b05d5b2Sebastian RedlVarDecl *VarDecl::getDefinition() { 1237e2c52d29e483b4167bd5d8e3265c2fb7c38fbcd5Sebastian Redl VarDecl *First = getFirstDeclaration(); 1238e2c52d29e483b4167bd5d8e3265c2fb7c38fbcd5Sebastian Redl for (redecl_iterator I = First->redecls_begin(), E = First->redecls_end(); 1239e2c52d29e483b4167bd5d8e3265c2fb7c38fbcd5Sebastian Redl I != E; ++I) { 124031310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl if ((*I)->isThisDeclarationADefinition() == Definition) 124131310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl return *I; 124231310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl } 124331310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl return 0; 1244e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl} 1245e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 1246110e8e56af30363072c140285961592b0107f789John McCallVarDecl::DefinitionKind VarDecl::hasDefinition() const { 1247110e8e56af30363072c140285961592b0107f789John McCall DefinitionKind Kind = DeclarationOnly; 1248110e8e56af30363072c140285961592b0107f789John McCall 1249110e8e56af30363072c140285961592b0107f789John McCall const VarDecl *First = getFirstDeclaration(); 1250110e8e56af30363072c140285961592b0107f789John McCall for (redecl_iterator I = First->redecls_begin(), E = First->redecls_end(); 1251110e8e56af30363072c140285961592b0107f789John McCall I != E; ++I) 1252110e8e56af30363072c140285961592b0107f789John McCall Kind = std::max(Kind, (*I)->isThisDeclarationADefinition()); 1253110e8e56af30363072c140285961592b0107f789John McCall 1254110e8e56af30363072c140285961592b0107f789John McCall return Kind; 1255110e8e56af30363072c140285961592b0107f789John McCall} 1256110e8e56af30363072c140285961592b0107f789John McCall 125731310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redlconst Expr *VarDecl::getAnyInitializer(const VarDecl *&D) const { 12587783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl redecl_iterator I = redecls_begin(), E = redecls_end(); 12597783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl while (I != E && !I->getInit()) 12607783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl ++I; 12617783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 12627783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (I != E) { 126331310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl D = *I; 12647783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return I->getInit(); 12657783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl } 12667783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return 0; 12677783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 12687783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 12691028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregorbool VarDecl::isOutOfLine() const { 1270da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor if (Decl::isOutOfLine()) 12711028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor return true; 12728761d680eaa7386e03f51286f4b84a1ffe575e2eChandler Carruth 12738761d680eaa7386e03f51286f4b84a1ffe575e2eChandler Carruth if (!isStaticDataMember()) 12748761d680eaa7386e03f51286f4b84a1ffe575e2eChandler Carruth return false; 12758761d680eaa7386e03f51286f4b84a1ffe575e2eChandler Carruth 12761028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor // If this static data member was instantiated from a static data member of 12771028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor // a class template, check whether that static data member was defined 12781028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor // out-of-line. 12791028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor if (VarDecl *VD = getInstantiatedFromStaticDataMember()) 12801028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor return VD->isOutOfLine(); 12811028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor 12821028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor return false; 12831028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor} 12841028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor 12850d03514da06dffb39a260a1228ea3fd01d196fa4Douglas GregorVarDecl *VarDecl::getOutOfLineDefinition() { 12860d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor if (!isStaticDataMember()) 12870d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor return 0; 12880d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor 12890d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor for (VarDecl::redecl_iterator RD = redecls_begin(), RDEnd = redecls_end(); 12900d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor RD != RDEnd; ++RD) { 12910d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor if (RD->getLexicalDeclContext()->isFileContext()) 12920d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor return *RD; 12930d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor } 12940d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor 12950d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor return 0; 12960d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor} 12970d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor 1298838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregorvoid VarDecl::setInit(Expr *I) { 12997783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (EvaluatedStmt *Eval = Init.dyn_cast<EvaluatedStmt *>()) { 13007783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl Eval->~EvaluatedStmt(); 1301838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor getASTContext().Deallocate(Eval); 13027783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl } 13037783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 13047783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl Init = I; 13057783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 13067783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 13071028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas GregorVarDecl *VarDecl::getInstantiatedFromStaticDataMember() const { 1308b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor if (MemberSpecializationInfo *MSI = getMemberSpecializationInfo()) 1309251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return cast<VarDecl>(MSI->getInstantiatedFrom()); 1310251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor 1311251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return 0; 1312251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor} 1313251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor 1314663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas GregorTemplateSpecializationKind VarDecl::getTemplateSpecializationKind() const { 1315e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (MemberSpecializationInfo *MSI = getMemberSpecializationInfo()) 1316251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return MSI->getTemplateSpecializationKind(); 1317251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor 1318251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return TSK_Undeclared; 1319251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor} 1320251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor 13211028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas GregorMemberSpecializationInfo *VarDecl::getMemberSpecializationInfo() const { 1322b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor return getASTContext().getInstantiatedFromStaticDataMember(this); 1323b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor} 1324b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor 13250a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregorvoid VarDecl::setTemplateSpecializationKind(TemplateSpecializationKind TSK, 13260a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor SourceLocation PointOfInstantiation) { 1327b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor MemberSpecializationInfo *MSI = getMemberSpecializationInfo(); 1328251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor assert(MSI && "Not an instantiated static data member?"); 1329251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor MSI->setTemplateSpecializationKind(TSK); 13300a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor if (TSK != TSK_ExplicitSpecialization && 13310a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor PointOfInstantiation.isValid() && 13320a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor MSI->getPointOfInstantiation().isInvalid()) 13330a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor MSI->setPointOfInstantiation(PointOfInstantiation); 13347caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 13357caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 13367783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 13377783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl// ParmVarDecl Implementation 13387783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 1339275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor 13407783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlParmVarDecl *ParmVarDecl::Create(ASTContext &C, DeclContext *DC, 1341ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation StartLoc, 1342ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation IdLoc, IdentifierInfo *Id, 13437783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl QualType T, TypeSourceInfo *TInfo, 134416573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor StorageClass S, StorageClass SCAsWritten, 134516573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor Expr *DefArg) { 1346ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara return new (C) ParmVarDecl(ParmVar, DC, StartLoc, IdLoc, Id, T, TInfo, 134716573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor S, SCAsWritten, DefArg); 1348275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor} 1349275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor 13507783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlExpr *ParmVarDecl::getDefaultArg() { 13517783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl assert(!hasUnparsedDefaultArg() && "Default argument is not yet parsed!"); 13527783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl assert(!hasUninstantiatedDefaultArg() && 13537783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl "Default argument is not yet instantiated!"); 13547783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 13557783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl Expr *Arg = getInit(); 13564765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall if (ExprWithCleanups *E = dyn_cast_or_null<ExprWithCleanups>(Arg)) 13577783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return E->getSubExpr(); 13587783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 13597783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return Arg; 13607783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 13617783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 13627783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlunsigned ParmVarDecl::getNumDefaultArgTemporaries() const { 13634765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall if (const ExprWithCleanups *E = dyn_cast<ExprWithCleanups>(getInit())) 13647783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return E->getNumTemporaries(); 1365275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor 1366c37929c9e0dba89770dc5f0fbcfa0c9046da0b06Argyrios Kyrtzidis return 0; 1367275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor} 1368275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor 13697783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlCXXTemporary *ParmVarDecl::getDefaultArgTemporary(unsigned i) { 13707783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl assert(getNumDefaultArgTemporaries() && 13717783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl "Default arguments does not have any temporaries!"); 13727783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 13734765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall ExprWithCleanups *E = cast<ExprWithCleanups>(getInit()); 13747783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return E->getTemporary(i); 13757783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 13767783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 13777783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlSourceRange ParmVarDecl::getDefaultArgRange() const { 13787783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (const Expr *E = getInit()) 13797783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return E->getSourceRange(); 13807783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 13817783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (hasUninstantiatedDefaultArg()) 13827783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return getUninstantiatedDefaultArg()->getSourceRange(); 13837783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 13847783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return SourceRange(); 1385fc7e2a8fbb08f0f496ac6cea0721fe72db8ce240Argyrios Kyrtzidis} 1386fc7e2a8fbb08f0f496ac6cea0721fe72db8ce240Argyrios Kyrtzidis 13871fe85ea697fb5c85acded3ac0ddbc19f89c2e181Douglas Gregorbool ParmVarDecl::isParameterPack() const { 13881fe85ea697fb5c85acded3ac0ddbc19f89c2e181Douglas Gregor return isa<PackExpansionType>(getType()); 13891fe85ea697fb5c85acded3ac0ddbc19f89c2e181Douglas Gregor} 13901fe85ea697fb5c85acded3ac0ddbc19f89c2e181Douglas Gregor 139199f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes//===----------------------------------------------------------------------===// 13928a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner// FunctionDecl Implementation 13938a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner//===----------------------------------------------------------------------===// 13948a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner 1395da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregorvoid FunctionDecl::getNameForDiagnostic(std::string &S, 1396da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor const PrintingPolicy &Policy, 1397da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor bool Qualified) const { 1398da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor NamedDecl::getNameForDiagnostic(S, Policy, Qualified); 1399da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor const TemplateArgumentList *TemplateArgs = getTemplateSpecializationArgs(); 1400da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor if (TemplateArgs) 1401da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor S += TemplateSpecializationType::PrintTemplateArgumentList( 1402da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor TemplateArgs->data(), 1403da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor TemplateArgs->size(), 1404da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor Policy); 1405da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor 1406da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor} 1407da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor 14089498d388810d284d3970aef0d69fa4d069fd6cafTed Kremenekbool FunctionDecl::isVariadic() const { 14099498d388810d284d3970aef0d69fa4d069fd6cafTed Kremenek if (const FunctionProtoType *FT = getType()->getAs<FunctionProtoType>()) 14109498d388810d284d3970aef0d69fa4d069fd6cafTed Kremenek return FT->isVariadic(); 14119498d388810d284d3970aef0d69fa4d069fd6cafTed Kremenek return false; 14129498d388810d284d3970aef0d69fa4d069fd6cafTed Kremenek} 14139498d388810d284d3970aef0d69fa4d069fd6cafTed Kremenek 141406a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidisbool FunctionDecl::hasBody(const FunctionDecl *&Definition) const { 141506a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis for (redecl_iterator I = redecls_begin(), E = redecls_end(); I != E; ++I) { 141606a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis if (I->Body) { 141706a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis Definition = *I; 141806a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis return true; 141906a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis } 142006a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis } 142106a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis 142206a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis return false; 142306a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis} 142406a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis 14256fb0aee4f9dc261bbec72e1283ad8dc0557a6d96Argyrios KyrtzidisStmt *FunctionDecl::getBody(const FunctionDecl *&Definition) const { 1426c37929c9e0dba89770dc5f0fbcfa0c9046da0b06Argyrios Kyrtzidis for (redecl_iterator I = redecls_begin(), E = redecls_end(); I != E; ++I) { 1427c37929c9e0dba89770dc5f0fbcfa0c9046da0b06Argyrios Kyrtzidis if (I->Body) { 1428c37929c9e0dba89770dc5f0fbcfa0c9046da0b06Argyrios Kyrtzidis Definition = *I; 1429c37929c9e0dba89770dc5f0fbcfa0c9046da0b06Argyrios Kyrtzidis return I->Body.get(getASTContext().getExternalSource()); 1430f009795057dc8ca254f5618c80a0a90f07cd44b4Douglas Gregor } 1431f009795057dc8ca254f5618c80a0a90f07cd44b4Douglas Gregor } 1432f009795057dc8ca254f5618c80a0a90f07cd44b4Douglas Gregor 1433f009795057dc8ca254f5618c80a0a90f07cd44b4Douglas Gregor return 0; 14345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 14355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 143655d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidisvoid FunctionDecl::setBody(Stmt *B) { 143755d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis Body = B; 1438b5f35bae05f1ce3ae62ca52b266a086fd019e89bDouglas Gregor if (B) 143955d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis EndRangeLoc = B->getLocEnd(); 144055d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis} 144155d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis 14422138664dd2cff39de52ff11ca35f653c20b2e4b0Douglas Gregorvoid FunctionDecl::setPure(bool P) { 14432138664dd2cff39de52ff11ca35f653c20b2e4b0Douglas Gregor IsPure = P; 14442138664dd2cff39de52ff11ca35f653c20b2e4b0Douglas Gregor if (P) 14452138664dd2cff39de52ff11ca35f653c20b2e4b0Douglas Gregor if (CXXRecordDecl *Parent = dyn_cast<CXXRecordDecl>(getDeclContext())) 14462138664dd2cff39de52ff11ca35f653c20b2e4b0Douglas Gregor Parent->markedVirtualFunctionPure(); 14472138664dd2cff39de52ff11ca35f653c20b2e4b0Douglas Gregor} 14482138664dd2cff39de52ff11ca35f653c20b2e4b0Douglas Gregor 144948a83b5e7ae4051c7c11680ac00c1fa02d610a62Douglas Gregorbool FunctionDecl::isMain() const { 145048a83b5e7ae4051c7c11680ac00c1fa02d610a62Douglas Gregor ASTContext &Context = getASTContext(); 145107a5c22bb6fb0674c95205ae189365bf8e1b695eJohn McCall return !Context.getLangOptions().Freestanding && 14527a126a474fdde06382b315b4e3d8ef0a21d4dc31Sebastian Redl getDeclContext()->getRedeclContext()->isTranslationUnit() && 145304495c859f81e440748a9b86baa2913461652bb0Douglas Gregor getIdentifier() && getIdentifier()->isStr("main"); 145404495c859f81e440748a9b86baa2913461652bb0Douglas Gregor} 145504495c859f81e440748a9b86baa2913461652bb0Douglas Gregor 145648a83b5e7ae4051c7c11680ac00c1fa02d610a62Douglas Gregorbool FunctionDecl::isExternC() const { 145748a83b5e7ae4051c7c11680ac00c1fa02d610a62Douglas Gregor ASTContext &Context = getASTContext(); 14586393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor // In C, any non-static, non-overloadable function has external 14596393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor // linkage. 14606393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor if (!Context.getLangOptions().CPlusPlus) 1461d931b086984257de68868a64a235c2b4b34003fbJohn McCall return getStorageClass() != SC_Static && !getAttr<OverloadableAttr>(); 14626393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor 146310aad449dfbb5b43611d45b99c88dfc26db7fac9Chandler Carruth const DeclContext *DC = getDeclContext(); 146410aad449dfbb5b43611d45b99c88dfc26db7fac9Chandler Carruth if (DC->isRecord()) 146510aad449dfbb5b43611d45b99c88dfc26db7fac9Chandler Carruth return false; 146610aad449dfbb5b43611d45b99c88dfc26db7fac9Chandler Carruth 146710aad449dfbb5b43611d45b99c88dfc26db7fac9Chandler Carruth for (; !DC->isTranslationUnit(); DC = DC->getParent()) { 14686393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor if (const LinkageSpecDecl *Linkage = dyn_cast<LinkageSpecDecl>(DC)) { 14696393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor if (Linkage->getLanguage() == LinkageSpecDecl::lang_c) 1470d931b086984257de68868a64a235c2b4b34003fbJohn McCall return getStorageClass() != SC_Static && 147140b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis !getAttr<OverloadableAttr>(); 14726393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor 14736393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor break; 14746393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor } 14756393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor } 14766393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor 14770bab54cf82cd679152197c7a2eb938f8aa9f07ddDouglas Gregor return isMain(); 14786393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor} 14796393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor 14808499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregorbool FunctionDecl::isGlobal() const { 14818499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor if (const CXXMethodDecl *Method = dyn_cast<CXXMethodDecl>(this)) 14828499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor return Method->isStatic(); 14838499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor 1484d931b086984257de68868a64a235c2b4b34003fbJohn McCall if (getStorageClass() == SC_Static) 14858499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor return false; 14868499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor 14871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (const DeclContext *DC = getDeclContext(); 14888499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor DC->isNamespace(); 14898499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor DC = DC->getParent()) { 14908499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor if (const NamespaceDecl *Namespace = cast<NamespaceDecl>(DC)) { 14918499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor if (!Namespace->getDeclName()) 14928499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor return false; 14938499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor break; 14948499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor } 14958499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor } 14968499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor 14978499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor return true; 14988499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor} 14998499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor 15007783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlvoid 15017783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlFunctionDecl::setPreviousDeclaration(FunctionDecl *PrevDecl) { 15027783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl redeclarable_base::setPreviousDeclaration(PrevDecl); 15037783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 15047783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (FunctionTemplateDecl *FunTmpl = getDescribedFunctionTemplate()) { 15057783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl FunctionTemplateDecl *PrevFunTmpl 15067783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl = PrevDecl? PrevDecl->getDescribedFunctionTemplate() : 0; 15077783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl assert((!PrevDecl || PrevFunTmpl) && "Function/function template mismatch"); 15087783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl FunTmpl->setPreviousDeclaration(PrevFunTmpl); 15097783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl } 15108f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor 15118f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor if (PrevDecl->IsInline) 15128f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor IsInline = true; 15137783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 15147783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 15157783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlconst FunctionDecl *FunctionDecl::getCanonicalDecl() const { 15167783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return getFirstDeclaration(); 15177783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 15187783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 15197783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlFunctionDecl *FunctionDecl::getCanonicalDecl() { 15207783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return getFirstDeclaration(); 15217783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 15227783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 1523381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregorvoid FunctionDecl::setStorageClass(StorageClass SC) { 1524381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor assert(isLegalForFunction(SC)); 1525381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor if (getStorageClass() != SC) 1526381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor ClearLinkageCache(); 1527381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor 1528381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor SClass = SC; 1529381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor} 1530381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor 15313e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// \brief Returns a value indicating whether this function 15323e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// corresponds to a builtin function. 15333e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// 15343e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// The function corresponds to a built-in function if it is 15353e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// declared at translation scope or within an extern "C" block and 15363e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// its name matches with the name of a builtin. The returned value 15373e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// will be 0 for functions that do not correspond to a builtin, a 15381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// value of type \c Builtin::ID if in the target-independent range 15393e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// \c [1,Builtin::First), or a target-specific builtin value. 15407814e6d6645d587891293d59ecf6576defcfac92Douglas Gregorunsigned FunctionDecl::getBuiltinID() const { 15417814e6d6645d587891293d59ecf6576defcfac92Douglas Gregor ASTContext &Context = getASTContext(); 15423c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor if (!getIdentifier() || !getIdentifier()->getBuiltinID()) 15433c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor return 0; 15443c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor 15453c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor unsigned BuiltinID = getIdentifier()->getBuiltinID(); 15463c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor if (!Context.BuiltinInfo.isPredefinedLibFunction(BuiltinID)) 15473c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor return BuiltinID; 15483c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor 15493c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // This function has the name of a known C library 15503c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // function. Determine whether it actually refers to the C library 15513c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // function or whether it just has the same name. 15523c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor 15539add31798f621f843233dbff8bba103fca64447bDouglas Gregor // If this is a static function, it's not a builtin. 1554d931b086984257de68868a64a235c2b4b34003fbJohn McCall if (getStorageClass() == SC_Static) 15559add31798f621f843233dbff8bba103fca64447bDouglas Gregor return 0; 15569add31798f621f843233dbff8bba103fca64447bDouglas Gregor 15573c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // If this function is at translation-unit scope and we're not in 15583c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // C++, it refers to the C library function. 15593c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor if (!Context.getLangOptions().CPlusPlus && 15603c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor getDeclContext()->isTranslationUnit()) 15613c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor return BuiltinID; 15623c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor 15633c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // If the function is in an extern "C" linkage specification and is 15643c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // not marked "overloadable", it's the real function. 15653c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor if (isa<LinkageSpecDecl>(getDeclContext()) && 15661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump cast<LinkageSpecDecl>(getDeclContext())->getLanguage() 15673c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor == LinkageSpecDecl::lang_c && 156840b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis !getAttr<OverloadableAttr>()) 15693c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor return BuiltinID; 15703c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor 15713c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // Not a builtin 15723e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor return 0; 15733e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor} 15743e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor 15753e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor 15761ad9b28e3217c2349a04f3d3bf14f9c73a99afa7Chris Lattner/// getNumParams - Return the number of parameters this function must have 15778dbfbf4c95251c69a455d4d016d6c7890c932007Bob Wilson/// based on its FunctionType. This is the length of the ParamInfo array 15781ad9b28e3217c2349a04f3d3bf14f9c73a99afa7Chris Lattner/// after it has been created. 15791ad9b28e3217c2349a04f3d3bf14f9c73a99afa7Chris Lattnerunsigned FunctionDecl::getNumParams() const { 1580183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *FT = getType()->getAs<FunctionType>(); 158172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor if (isa<FunctionNoProtoType>(FT)) 1582d3b9065ec7052ec4741783d2fb4130d13c766933Chris Lattner return 0; 158372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return cast<FunctionProtoType>(FT)->getNumArgs(); 15841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 15865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15876b5415196327fa8ef00f028ba175fafef1738ae1Argyrios Kyrtzidisvoid FunctionDecl::setParams(ASTContext &C, 15886b5415196327fa8ef00f028ba175fafef1738ae1Argyrios Kyrtzidis ParmVarDecl **NewParamInfo, unsigned NumParams) { 15895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(ParamInfo == 0 && "Already has param info!"); 15902dbd285f5033ca6dea25babfd1c43d9fec35e7e5Chris Lattner assert(NumParams == getNumParams() && "Parameter count mismatch!"); 15911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Zero params -> null pointer. 15935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (NumParams) { 15946b5415196327fa8ef00f028ba175fafef1738ae1Argyrios Kyrtzidis void *Mem = C.Allocate(sizeof(ParmVarDecl*)*NumParams); 1595fc767615bc67d3a7587b1fb2e0494c32c9dbd7a5Ted Kremenek ParamInfo = new (Mem) ParmVarDecl*[NumParams]; 15965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer memcpy(ParamInfo, NewParamInfo, sizeof(ParmVarDecl*)*NumParams); 159755d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis 159896888cc2515e55c9b5dd6798063bf4be2c22983aArgyrios Kyrtzidis // Update source range. The check below allows us to set EndRangeLoc before 159996888cc2515e55c9b5dd6798063bf4be2c22983aArgyrios Kyrtzidis // setting the parameters. 1600cb5f8f59322c352f51714c3de5d8047e70895165Argyrios Kyrtzidis if (EndRangeLoc.isInvalid() || EndRangeLoc == getLocation()) 160155d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis EndRangeLoc = NewParamInfo[NumParams-1]->getLocEnd(); 16025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 16035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 16045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16058123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner/// getMinRequiredArguments - Returns the minimum number of arguments 16068123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner/// needed to call this function. This may be fewer than the number of 16078123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner/// function parameters, if some of the parameters have default 1608f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor/// arguments (in C++) or the last parameter is a parameter pack. 16098123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattnerunsigned FunctionDecl::getMinRequiredArguments() const { 16107d5c0c1273bdc1cb3dff1cb5a62d07b1439e82c7Douglas Gregor if (!getASTContext().getLangOptions().CPlusPlus) 16117d5c0c1273bdc1cb3dff1cb5a62d07b1439e82c7Douglas Gregor return getNumParams(); 16127d5c0c1273bdc1cb3dff1cb5a62d07b1439e82c7Douglas Gregor 1613f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor unsigned NumRequiredArgs = getNumParams(); 1614f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor 1615f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor // If the last parameter is a parameter pack, we don't need an argument for 1616f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor // it. 1617f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor if (NumRequiredArgs > 0 && 1618f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor getParamDecl(NumRequiredArgs - 1)->isParameterPack()) 1619f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor --NumRequiredArgs; 1620f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor 1621f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor // If this parameter has a default argument, we don't need an argument for 1622f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor // it. 1623f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor while (NumRequiredArgs > 0 && 1624f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor getParamDecl(NumRequiredArgs-1)->hasDefaultArg()) 16258123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner --NumRequiredArgs; 16268123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner 16277d5c0c1273bdc1cb3dff1cb5a62d07b1439e82c7Douglas Gregor // We might have parameter packs before the end. These can't be deduced, 16287d5c0c1273bdc1cb3dff1cb5a62d07b1439e82c7Douglas Gregor // but they can still handle multiple arguments. 16297d5c0c1273bdc1cb3dff1cb5a62d07b1439e82c7Douglas Gregor unsigned ArgIdx = NumRequiredArgs; 16307d5c0c1273bdc1cb3dff1cb5a62d07b1439e82c7Douglas Gregor while (ArgIdx > 0) { 16317d5c0c1273bdc1cb3dff1cb5a62d07b1439e82c7Douglas Gregor if (getParamDecl(ArgIdx - 1)->isParameterPack()) 16327d5c0c1273bdc1cb3dff1cb5a62d07b1439e82c7Douglas Gregor NumRequiredArgs = ArgIdx; 16337d5c0c1273bdc1cb3dff1cb5a62d07b1439e82c7Douglas Gregor 16347d5c0c1273bdc1cb3dff1cb5a62d07b1439e82c7Douglas Gregor --ArgIdx; 16357d5c0c1273bdc1cb3dff1cb5a62d07b1439e82c7Douglas Gregor } 16367d5c0c1273bdc1cb3dff1cb5a62d07b1439e82c7Douglas Gregor 16378123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner return NumRequiredArgs; 16388123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner} 16398123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner 16407ced9c8529b734e313f62a3b81189d6f402f6713Douglas Gregorbool FunctionDecl::isInlined() const { 16418f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor if (IsInline) 16427d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor return true; 164348eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson 164448eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson if (isa<CXXMethodDecl>(this)) { 164548eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson if (!isOutOfLine() || getCanonicalDecl()->isInlineSpecified()) 164648eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson return true; 164748eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson } 16487d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor 16497d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor switch (getTemplateSpecializationKind()) { 16507d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor case TSK_Undeclared: 16517d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor case TSK_ExplicitSpecialization: 16527d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor return false; 16537d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor 16547d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor case TSK_ImplicitInstantiation: 16557d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor case TSK_ExplicitInstantiationDeclaration: 16567d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor case TSK_ExplicitInstantiationDefinition: 16577d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor // Handle below. 16587d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor break; 16597d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor } 16607d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor 16617d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor const FunctionDecl *PatternDecl = getTemplateInstantiationPattern(); 166206a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis bool HasPattern = false; 16637d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor if (PatternDecl) 166406a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis HasPattern = PatternDecl->hasBody(PatternDecl); 16657d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor 166606a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis if (HasPattern && PatternDecl) 16677d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor return PatternDecl->isInlined(); 16687d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor 16697d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor return false; 16707ced9c8529b734e313f62a3b81189d6f402f6713Douglas Gregor} 16717ced9c8529b734e313f62a3b81189d6f402f6713Douglas Gregor 16727d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor/// \brief For an inline function definition in C or C++, determine whether the 16731fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// definition will be externally visible. 16741fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// 16751fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// Inline function definitions are always available for inlining optimizations. 16761fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// However, depending on the language dialect, declaration specifiers, and 16771fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// attributes, the definition of an inline function may or may not be 16781fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// "externally" visible to other translation units in the program. 16791fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// 16801fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// In C99, inline definitions are not externally visible by default. However, 16811e5fd7f8e90e0953e5c59cbbbc130633d84a1e37Mike Stump/// if even one of the global-scope declarations is marked "extern inline", the 16821fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// inline definition becomes externally visible (C99 6.7.4p6). 16831fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// 16841fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// In GNU89 mode, or if the gnu_inline attribute is attached to the function 16851fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// definition, we use the GNU semantics for inline, which are nearly the 16861fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// opposite of C99 semantics. In particular, "inline" by itself will create 16871fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// an externally visible symbol, but "extern inline" will not create an 16881fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// externally visible symbol. 16891fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregorbool FunctionDecl::isInlineDefinitionExternallyVisible() const { 16901fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor assert(isThisDeclarationADefinition() && "Must have the function definition"); 16917ced9c8529b734e313f62a3b81189d6f402f6713Douglas Gregor assert(isInlined() && "Function must be inline"); 16927d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor ASTContext &Context = getASTContext(); 16931fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor 16947d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor if (!Context.getLangOptions().C99 || hasAttr<GNUInlineAttr>()) { 16958f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor // If it's not the case that both 'inline' and 'extern' are 16968f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor // specified on the definition, then this inline definition is 16978f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor // externally visible. 16988f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor if (!(isInlineSpecified() && getStorageClassAsWritten() == SC_Extern)) 16998f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor return true; 17008f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor 17018f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor // If any declaration is 'inline' but not 'extern', then this definition 17028f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor // is externally visible. 17031fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor for (redecl_iterator Redecl = redecls_begin(), RedeclEnd = redecls_end(); 17041fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor Redecl != RedeclEnd; 17051fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor ++Redecl) { 17068f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor if (Redecl->isInlineSpecified() && 17078f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor Redecl->getStorageClassAsWritten() != SC_Extern) 17081fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor return true; 17098f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor } 17101fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor 17119f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor return false; 17121fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor } 17131fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor 17141fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // C99 6.7.4p6: 17151fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // [...] If all of the file scope declarations for a function in a 17161fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // translation unit include the inline function specifier without extern, 17171fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // then the definition in that translation unit is an inline definition. 17181fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor for (redecl_iterator Redecl = redecls_begin(), RedeclEnd = redecls_end(); 17191fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor Redecl != RedeclEnd; 17201fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor ++Redecl) { 17211fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // Only consider file-scope declarations in this test. 17221fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor if (!Redecl->getLexicalDeclContext()->isTranslationUnit()) 17231fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor continue; 17241fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor 1725d931b086984257de68868a64a235c2b4b34003fbJohn McCall if (!Redecl->isInlineSpecified() || Redecl->getStorageClass() == SC_Extern) 17261fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor return true; // Not an inline definition 17271fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor } 17281fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor 17291fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // C99 6.7.4p6: 17301fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // An inline definition does not provide an external definition for the 17311fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // function, and does not forbid an external definition in another 17321fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // translation unit. 17339f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor return false; 17349f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor} 17359f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor 17361cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// getOverloadedOperator - Which C++ overloaded operator this 17371cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// function represents, if any. 17381cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas GregorOverloadedOperatorKind FunctionDecl::getOverloadedOperator() const { 1739e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor if (getDeclName().getNameKind() == DeclarationName::CXXOperatorName) 1740e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor return getDeclName().getCXXOverloadedOperator(); 17411cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor else 17421cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor return OO_None; 17431cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor} 17441cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 1745a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt/// getLiteralIdentifier - The literal suffix identifier this function 1746a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt/// represents, if any. 1747a6c058dd75c5563cced821fc16766a7cc179e00cSean Huntconst IdentifierInfo *FunctionDecl::getLiteralIdentifier() const { 1748a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt if (getDeclName().getNameKind() == DeclarationName::CXXLiteralOperatorName) 1749a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt return getDeclName().getCXXLiteralIdentifier(); 1750a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt else 1751a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt return 0; 1752a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt} 1753a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt 1754d0913557c800c8a712fb554032a833619f23bc56Argyrios KyrtzidisFunctionDecl::TemplatedKind FunctionDecl::getTemplatedKind() const { 1755d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis if (TemplateOrSpecialization.isNull()) 1756d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis return TK_NonTemplate; 1757d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis if (TemplateOrSpecialization.is<FunctionTemplateDecl *>()) 1758d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis return TK_FunctionTemplate; 1759d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis if (TemplateOrSpecialization.is<MemberSpecializationInfo *>()) 1760d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis return TK_MemberSpecialization; 1761d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis if (TemplateOrSpecialization.is<FunctionTemplateSpecializationInfo *>()) 1762d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis return TK_FunctionTemplateSpecialization; 1763d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis if (TemplateOrSpecialization.is 1764d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis <DependentFunctionTemplateSpecializationInfo*>()) 1765d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis return TK_DependentFunctionTemplateSpecialization; 1766d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis 1767d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis assert(false && "Did we miss a TemplateOrSpecialization type?"); 1768d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis return TK_NonTemplate; 1769d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis} 1770d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis 17712db323294ac02296125e1e0beb4c3595992e75bbDouglas GregorFunctionDecl *FunctionDecl::getInstantiatedFromMemberFunction() const { 1772b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor if (MemberSpecializationInfo *Info = getMemberSpecializationInfo()) 17732db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor return cast<FunctionDecl>(Info->getInstantiatedFrom()); 17742db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor 17752db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor return 0; 17762db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor} 17772db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor 1778b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas GregorMemberSpecializationInfo *FunctionDecl::getMemberSpecializationInfo() const { 1779b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor return TemplateOrSpecialization.dyn_cast<MemberSpecializationInfo*>(); 1780b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor} 1781b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor 17822db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregorvoid 17836b5415196327fa8ef00f028ba175fafef1738ae1Argyrios KyrtzidisFunctionDecl::setInstantiationOfMemberFunction(ASTContext &C, 17846b5415196327fa8ef00f028ba175fafef1738ae1Argyrios Kyrtzidis FunctionDecl *FD, 17852db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor TemplateSpecializationKind TSK) { 17862db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor assert(TemplateOrSpecialization.isNull() && 17872db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor "Member function is already a specialization"); 17882db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor MemberSpecializationInfo *Info 17896b5415196327fa8ef00f028ba175fafef1738ae1Argyrios Kyrtzidis = new (C) MemberSpecializationInfo(FD, TSK); 17902db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor TemplateOrSpecialization = Info; 17912db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor} 17922db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor 17933b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregorbool FunctionDecl::isImplicitlyInstantiable() const { 17946cfacfe54c75baa4d67f1fbdf4f80644b662818eDouglas Gregor // If the function is invalid, it can't be implicitly instantiated. 17956cfacfe54c75baa4d67f1fbdf4f80644b662818eDouglas Gregor if (isInvalidDecl()) 17963b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return false; 17973b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 17983b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor switch (getTemplateSpecializationKind()) { 17993b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor case TSK_Undeclared: 18003b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor case TSK_ExplicitSpecialization: 18013b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor case TSK_ExplicitInstantiationDefinition: 18023b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return false; 18033b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 18043b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor case TSK_ImplicitInstantiation: 18053b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return true; 18063b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 18073b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor case TSK_ExplicitInstantiationDeclaration: 18083b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // Handled below. 18093b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor break; 18103b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor } 18113b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 18123b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // Find the actual template from which we will instantiate. 18133b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor const FunctionDecl *PatternDecl = getTemplateInstantiationPattern(); 181406a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis bool HasPattern = false; 18153b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor if (PatternDecl) 181606a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis HasPattern = PatternDecl->hasBody(PatternDecl); 18173b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 18183b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // C++0x [temp.explicit]p9: 18193b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // Except for inline functions, other explicit instantiation declarations 18203b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // have the effect of suppressing the implicit instantiation of the entity 18213b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // to which they refer. 182206a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis if (!HasPattern || !PatternDecl) 18233b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return true; 18243b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 18257ced9c8529b734e313f62a3b81189d6f402f6713Douglas Gregor return PatternDecl->isInlined(); 18263b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor} 18273b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 18283b846b6c252972a6f142aa226c1e65aebd0feecaDouglas GregorFunctionDecl *FunctionDecl::getTemplateInstantiationPattern() const { 18293b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor if (FunctionTemplateDecl *Primary = getPrimaryTemplate()) { 18303b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor while (Primary->getInstantiatedFromMemberTemplate()) { 18313b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // If we have hit a point where the user provided a specialization of 18323b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // this template, we're done looking. 18333b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor if (Primary->isMemberSpecialization()) 18343b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor break; 18353b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 18363b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor Primary = Primary->getInstantiatedFromMemberTemplate(); 18373b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor } 18383b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 18393b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return Primary->getTemplatedDecl(); 18403b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor } 18413b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 18423b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return getInstantiatedFromMemberFunction(); 18433b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor} 18443b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 184516e8be2ac532358d4e413fdfa2643b1876edda78Douglas GregorFunctionTemplateDecl *FunctionDecl::getPrimaryTemplate() const { 18461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionTemplateSpecializationInfo *Info 184716e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor = TemplateOrSpecialization 184816e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor .dyn_cast<FunctionTemplateSpecializationInfo*>()) { 18491fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor return Info->Template.getPointer(); 185016e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor } 185116e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor return 0; 185216e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor} 185316e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor 185416e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregorconst TemplateArgumentList * 185516e8be2ac532358d4e413fdfa2643b1876edda78Douglas GregorFunctionDecl::getTemplateSpecializationArgs() const { 18561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionTemplateSpecializationInfo *Info 1857fd056bc86a8b22a9421b5d921bbca276d0f9d0f7Douglas Gregor = TemplateOrSpecialization 1858fd056bc86a8b22a9421b5d921bbca276d0f9d0f7Douglas Gregor .dyn_cast<FunctionTemplateSpecializationInfo*>()) { 185916e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor return Info->TemplateArguments; 186016e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor } 186116e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor return 0; 186216e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor} 186316e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor 1864e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnaraconst TemplateArgumentListInfo * 1865e03db98d67111ebf7622d9086951aacc24406b66Abramo BagnaraFunctionDecl::getTemplateSpecializationArgsAsWritten() const { 1866e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara if (FunctionTemplateSpecializationInfo *Info 1867e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara = TemplateOrSpecialization 1868e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara .dyn_cast<FunctionTemplateSpecializationInfo*>()) { 1869e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara return Info->TemplateArgumentsAsWritten; 1870e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara } 1871e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara return 0; 1872e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara} 1873e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara 18741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 18756b5415196327fa8ef00f028ba175fafef1738ae1Argyrios KyrtzidisFunctionDecl::setFunctionTemplateSpecialization(ASTContext &C, 18766b5415196327fa8ef00f028ba175fafef1738ae1Argyrios Kyrtzidis FunctionTemplateDecl *Template, 1877127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor const TemplateArgumentList *TemplateArgs, 1878b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor void *InsertPos, 1879e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara TemplateSpecializationKind TSK, 18807b081c8604efd33bc7f7e5c1e9427a031eedb2b4Argyrios Kyrtzidis const TemplateArgumentListInfo *TemplateArgsAsWritten, 18817b081c8604efd33bc7f7e5c1e9427a031eedb2b4Argyrios Kyrtzidis SourceLocation PointOfInstantiation) { 1882b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor assert(TSK != TSK_Undeclared && 1883b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor "Must specify the type of function template specialization"); 18841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FunctionTemplateSpecializationInfo *Info 188516e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor = TemplateOrSpecialization.dyn_cast<FunctionTemplateSpecializationInfo*>(); 18861637be727f2a0434c1ed7aa385ea1c18328b0ccdDouglas Gregor if (!Info) 1887a626a3d0fb74455651f742c0938902a42e6e71c8Argyrios Kyrtzidis Info = FunctionTemplateSpecializationInfo::Create(C, this, Template, TSK, 1888a626a3d0fb74455651f742c0938902a42e6e71c8Argyrios Kyrtzidis TemplateArgs, 1889a626a3d0fb74455651f742c0938902a42e6e71c8Argyrios Kyrtzidis TemplateArgsAsWritten, 1890a626a3d0fb74455651f742c0938902a42e6e71c8Argyrios Kyrtzidis PointOfInstantiation); 18911637be727f2a0434c1ed7aa385ea1c18328b0ccdDouglas Gregor TemplateOrSpecialization = Info; 18921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1893127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor // Insert this function template specialization into the set of known 1894b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor // function template specializations. 1895b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor if (InsertPos) 18965bbcdbf36f8cf79d99703ef20848c55960065e43Sebastian Redl Template->addSpecialization(Info, InsertPos); 1897b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor else { 18982c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis // Try to insert the new node. If there is an existing node, leave it, the 18992c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis // set will contain the canonical decls while 19002c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis // FunctionTemplateDecl::findSpecialization will return 19012c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis // the most recent redeclarations. 1902b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor FunctionTemplateSpecializationInfo *Existing 1903b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor = Template->getSpecializations().GetOrInsertNode(Info); 19042c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis (void)Existing; 19052c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis assert((!Existing || Existing->Function->isCanonicalDecl()) && 19062c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis "Set is supposed to only contain canonical decls"); 1907b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor } 19081637be727f2a0434c1ed7aa385ea1c18328b0ccdDouglas Gregor} 19091637be727f2a0434c1ed7aa385ea1c18328b0ccdDouglas Gregor 1910af2094e7cecadf36667deb61a83587ffdd979bd3John McCallvoid 1911af2094e7cecadf36667deb61a83587ffdd979bd3John McCallFunctionDecl::setDependentTemplateSpecialization(ASTContext &Context, 1912af2094e7cecadf36667deb61a83587ffdd979bd3John McCall const UnresolvedSetImpl &Templates, 1913af2094e7cecadf36667deb61a83587ffdd979bd3John McCall const TemplateArgumentListInfo &TemplateArgs) { 1914af2094e7cecadf36667deb61a83587ffdd979bd3John McCall assert(TemplateOrSpecialization.isNull()); 1915af2094e7cecadf36667deb61a83587ffdd979bd3John McCall size_t Size = sizeof(DependentFunctionTemplateSpecializationInfo); 1916af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Size += Templates.size() * sizeof(FunctionTemplateDecl*); 191721c0160959961b3a6ab3308608ee3fde182ecb49John McCall Size += TemplateArgs.size() * sizeof(TemplateArgumentLoc); 1918af2094e7cecadf36667deb61a83587ffdd979bd3John McCall void *Buffer = Context.Allocate(Size); 1919af2094e7cecadf36667deb61a83587ffdd979bd3John McCall DependentFunctionTemplateSpecializationInfo *Info = 1920af2094e7cecadf36667deb61a83587ffdd979bd3John McCall new (Buffer) DependentFunctionTemplateSpecializationInfo(Templates, 1921af2094e7cecadf36667deb61a83587ffdd979bd3John McCall TemplateArgs); 1922af2094e7cecadf36667deb61a83587ffdd979bd3John McCall TemplateOrSpecialization = Info; 1923af2094e7cecadf36667deb61a83587ffdd979bd3John McCall} 1924af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1925af2094e7cecadf36667deb61a83587ffdd979bd3John McCallDependentFunctionTemplateSpecializationInfo:: 1926af2094e7cecadf36667deb61a83587ffdd979bd3John McCallDependentFunctionTemplateSpecializationInfo(const UnresolvedSetImpl &Ts, 1927af2094e7cecadf36667deb61a83587ffdd979bd3John McCall const TemplateArgumentListInfo &TArgs) 1928af2094e7cecadf36667deb61a83587ffdd979bd3John McCall : AngleLocs(TArgs.getLAngleLoc(), TArgs.getRAngleLoc()) { 1929af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1930af2094e7cecadf36667deb61a83587ffdd979bd3John McCall d.NumTemplates = Ts.size(); 1931af2094e7cecadf36667deb61a83587ffdd979bd3John McCall d.NumArgs = TArgs.size(); 1932af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1933af2094e7cecadf36667deb61a83587ffdd979bd3John McCall FunctionTemplateDecl **TsArray = 1934af2094e7cecadf36667deb61a83587ffdd979bd3John McCall const_cast<FunctionTemplateDecl**>(getTemplates()); 1935af2094e7cecadf36667deb61a83587ffdd979bd3John McCall for (unsigned I = 0, E = Ts.size(); I != E; ++I) 1936af2094e7cecadf36667deb61a83587ffdd979bd3John McCall TsArray[I] = cast<FunctionTemplateDecl>(Ts[I]->getUnderlyingDecl()); 1937af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1938af2094e7cecadf36667deb61a83587ffdd979bd3John McCall TemplateArgumentLoc *ArgsArray = 1939af2094e7cecadf36667deb61a83587ffdd979bd3John McCall const_cast<TemplateArgumentLoc*>(getTemplateArgs()); 1940af2094e7cecadf36667deb61a83587ffdd979bd3John McCall for (unsigned I = 0, E = TArgs.size(); I != E; ++I) 1941af2094e7cecadf36667deb61a83587ffdd979bd3John McCall new (&ArgsArray[I]) TemplateArgumentLoc(TArgs[I]); 1942af2094e7cecadf36667deb61a83587ffdd979bd3John McCall} 1943af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1944d0e3daf2b980b505e535d35b432c938c6d0208efDouglas GregorTemplateSpecializationKind FunctionDecl::getTemplateSpecializationKind() const { 19451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // For a function template specialization, query the specialization 1946d0e3daf2b980b505e535d35b432c938c6d0208efDouglas Gregor // information object. 19472db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor FunctionTemplateSpecializationInfo *FTSInfo 19481fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor = TemplateOrSpecialization.dyn_cast<FunctionTemplateSpecializationInfo*>(); 19492db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor if (FTSInfo) 19502db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor return FTSInfo->getTemplateSpecializationKind(); 1951d0e3daf2b980b505e535d35b432c938c6d0208efDouglas Gregor 19522db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor MemberSpecializationInfo *MSInfo 19532db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor = TemplateOrSpecialization.dyn_cast<MemberSpecializationInfo*>(); 19542db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor if (MSInfo) 19552db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor return MSInfo->getTemplateSpecializationKind(); 19562db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor 19572db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor return TSK_Undeclared; 19581fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor} 19591fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor 19601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 19610a897e32a09d290aa5b375444fe33928e47168bbDouglas GregorFunctionDecl::setTemplateSpecializationKind(TemplateSpecializationKind TSK, 19620a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor SourceLocation PointOfInstantiation) { 19632db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor if (FunctionTemplateSpecializationInfo *FTSInfo 19642db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor = TemplateOrSpecialization.dyn_cast< 19650a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor FunctionTemplateSpecializationInfo*>()) { 19662db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor FTSInfo->setTemplateSpecializationKind(TSK); 19670a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor if (TSK != TSK_ExplicitSpecialization && 19680a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor PointOfInstantiation.isValid() && 19690a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor FTSInfo->getPointOfInstantiation().isInvalid()) 19700a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor FTSInfo->setPointOfInstantiation(PointOfInstantiation); 19710a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor } else if (MemberSpecializationInfo *MSInfo 19720a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor = TemplateOrSpecialization.dyn_cast<MemberSpecializationInfo*>()) { 19732db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor MSInfo->setTemplateSpecializationKind(TSK); 19740a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor if (TSK != TSK_ExplicitSpecialization && 19750a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor PointOfInstantiation.isValid() && 19760a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor MSInfo->getPointOfInstantiation().isInvalid()) 19770a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor MSInfo->setPointOfInstantiation(PointOfInstantiation); 19780a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor } else 19792db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor assert(false && "Function cannot have a template specialization kind"); 19801fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor} 19811fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor 19820a897e32a09d290aa5b375444fe33928e47168bbDouglas GregorSourceLocation FunctionDecl::getPointOfInstantiation() const { 19830a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor if (FunctionTemplateSpecializationInfo *FTSInfo 19840a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor = TemplateOrSpecialization.dyn_cast< 19850a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor FunctionTemplateSpecializationInfo*>()) 19860a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor return FTSInfo->getPointOfInstantiation(); 19870a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor else if (MemberSpecializationInfo *MSInfo 19880a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor = TemplateOrSpecialization.dyn_cast<MemberSpecializationInfo*>()) 19890a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor return MSInfo->getPointOfInstantiation(); 19900a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor 19910a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor return SourceLocation(); 19920a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor} 19930a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor 19949f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregorbool FunctionDecl::isOutOfLine() const { 1995da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor if (Decl::isOutOfLine()) 19969f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor return true; 19979f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor 19989f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor // If this function was instantiated from a member function of a 19999f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor // class template, check whether that member function was defined out-of-line. 20009f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor if (FunctionDecl *FD = getInstantiatedFromMemberFunction()) { 20019f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor const FunctionDecl *Definition; 200206a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis if (FD->hasBody(Definition)) 20039f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor return Definition->isOutOfLine(); 20049f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor } 20059f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor 20069f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor // If this function was instantiated from a function template, 20079f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor // check whether that function template was defined out-of-line. 20089f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor if (FunctionTemplateDecl *FunTmpl = getPrimaryTemplate()) { 20099f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor const FunctionDecl *Definition; 201006a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis if (FunTmpl->getTemplatedDecl()->hasBody(Definition)) 20119f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor return Definition->isOutOfLine(); 20129f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor } 20139f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor 20149f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor return false; 20159f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor} 20169f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor 2017a2026c96d3935e7909e049ad9096762844544ed6Abramo BagnaraSourceRange FunctionDecl::getSourceRange() const { 2018a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara return SourceRange(getOuterLocStart(), EndRangeLoc); 2019a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara} 2020a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara 20218a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner//===----------------------------------------------------------------------===// 20227783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl// FieldDecl Implementation 20237783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 20247783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 20254ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadFieldDecl *FieldDecl::Create(const ASTContext &C, DeclContext *DC, 2026ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation StartLoc, SourceLocation IdLoc, 2027ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara IdentifierInfo *Id, QualType T, 20287783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl TypeSourceInfo *TInfo, Expr *BW, bool Mutable) { 2029ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara return new (C) FieldDecl(Decl::Field, DC, StartLoc, IdLoc, Id, T, TInfo, 2030ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara BW, Mutable); 20317783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 20327783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 20337783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlbool FieldDecl::isAnonymousStructOrUnion() const { 20347783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (!isImplicit() || getDeclName()) 20357783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return false; 20367783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 20377783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (const RecordType *Record = getType()->getAs<RecordType>()) 20387783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return Record->getDecl()->isAnonymousStructOrUnion(); 20397783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 20407783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return false; 20417783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 20427783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 2043ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCallunsigned FieldDecl::getFieldIndex() const { 2044ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (CachedFieldIndex) return CachedFieldIndex - 1; 2045ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 2046ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall unsigned index = 0; 2047ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall RecordDecl::field_iterator 2048ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall i = getParent()->field_begin(), e = getParent()->field_end(); 2049ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall while (true) { 2050ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall assert(i != e && "failed to find field in parent!"); 2051ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (*i == this) 2052ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall break; 2053ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 2054ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall ++i; 2055ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall ++index; 2056ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall } 2057ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 2058ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall CachedFieldIndex = index + 1; 2059ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall return index; 2060ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall} 2061ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 2062f2cf562cec11dec926c0a29a71769a27fed02962Abramo BagnaraSourceRange FieldDecl::getSourceRange() const { 2063a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara if (isBitField()) 2064a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara return SourceRange(getInnerLocStart(), BitWidth->getLocEnd()); 2065a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara return DeclaratorDecl::getSourceRange(); 2066f2cf562cec11dec926c0a29a71769a27fed02962Abramo Bagnara} 2067f2cf562cec11dec926c0a29a71769a27fed02962Abramo Bagnara 20687783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 2069bcbffc46f1ad3796c4582fa1e3a9113b5aa26061Douglas Gregor// TagDecl Implementation 20704b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek//===----------------------------------------------------------------------===// 20714b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek 20721693e154bef16ca060b5e3786d8528ddc11f5637Douglas GregorSourceLocation TagDecl::getOuterLocStart() const { 20731693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor return getTemplateOrInnerLocStart(this); 20741693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor} 20751693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor 2076f602c8b6ce1a269c0bf8b3f049e923f4ea5c18e2Argyrios KyrtzidisSourceRange TagDecl::getSourceRange() const { 2077f602c8b6ce1a269c0bf8b3f049e923f4ea5c18e2Argyrios Kyrtzidis SourceLocation E = RBraceLoc.isValid() ? RBraceLoc : getLocation(); 20781693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor return SourceRange(getOuterLocStart(), E); 2079f602c8b6ce1a269c0bf8b3f049e923f4ea5c18e2Argyrios Kyrtzidis} 2080f602c8b6ce1a269c0bf8b3f049e923f4ea5c18e2Argyrios Kyrtzidis 2081b57a4fe73b8227c0dba651818b8495dfca61e530Argyrios KyrtzidisTagDecl* TagDecl::getCanonicalDecl() { 20828e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor return getFirstDeclaration(); 2083b57a4fe73b8227c0dba651818b8495dfca61e530Argyrios Kyrtzidis} 2084b57a4fe73b8227c0dba651818b8495dfca61e530Argyrios Kyrtzidis 208560e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregorvoid TagDecl::setTypedefForAnonDecl(TypedefDecl *TDD) { 208660e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor TypedefDeclOrQualifier = TDD; 208760e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor if (TypeForDecl) 2088f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const_cast<Type*>(TypeForDecl)->ClearLinkageCache(); 2089381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor ClearLinkageCache(); 209060e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor} 209160e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 20920b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregorvoid TagDecl::startDefinition() { 2093ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl IsBeingDefined = true; 209486ff308724171494395a840fd2efbe25e62f352eJohn McCall 209586ff308724171494395a840fd2efbe25e62f352eJohn McCall if (isa<CXXRecordDecl>(this)) { 209686ff308724171494395a840fd2efbe25e62f352eJohn McCall CXXRecordDecl *D = cast<CXXRecordDecl>(this); 209786ff308724171494395a840fd2efbe25e62f352eJohn McCall struct CXXRecordDecl::DefinitionData *Data = 209886ff308724171494395a840fd2efbe25e62f352eJohn McCall new (getASTContext()) struct CXXRecordDecl::DefinitionData(D); 20992243288c4826905b5a0837f6f21d9d821688652eJohn McCall for (redecl_iterator I = redecls_begin(), E = redecls_end(); I != E; ++I) 21002243288c4826905b5a0837f6f21d9d821688652eJohn McCall cast<CXXRecordDecl>(*I)->DefinitionData = Data; 210186ff308724171494395a840fd2efbe25e62f352eJohn McCall } 21020b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor} 21030b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor 21040b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregorvoid TagDecl::completeDefinition() { 21055cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall assert((!isa<CXXRecordDecl>(this) || 21065cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall cast<CXXRecordDecl>(this)->hasDefinition()) && 21075cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall "definition completed but not started"); 21085cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall 21090b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor IsDefinition = true; 2110ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl IsBeingDefined = false; 2111565bf30bf5607b9740d288d8d9c45cf38ea75298Argyrios Kyrtzidis 2112565bf30bf5607b9740d288d8d9c45cf38ea75298Argyrios Kyrtzidis if (ASTMutationListener *L = getASTMutationListener()) 2113565bf30bf5607b9740d288d8d9c45cf38ea75298Argyrios Kyrtzidis L->CompletedTagDefinition(this); 21140b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor} 21150b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor 2116952b017601f9c82b51119c3a1600f1312a833db9Douglas GregorTagDecl* TagDecl::getDefinition() const { 21178e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor if (isDefinition()) 21188e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor return const_cast<TagDecl *>(this); 2119220a9c82dc76a83a7f930879bf176783866c0514Andrew Trick if (const CXXRecordDecl *CXXRD = dyn_cast<CXXRecordDecl>(this)) 2120220a9c82dc76a83a7f930879bf176783866c0514Andrew Trick return CXXRD->getDefinition(); 21211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (redecl_iterator R = redecls_begin(), REnd = redecls_end(); 21238e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor R != REnd; ++R) 21248e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor if (R->isDefinition()) 21258e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor return *R; 21261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21278e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor return 0; 21284b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek} 21294b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek 2130c22b5fff39a7520207f165fb16a27a34b944bd9cDouglas Gregorvoid TagDecl::setQualifierInfo(NestedNameSpecifierLoc QualifierLoc) { 2131c22b5fff39a7520207f165fb16a27a34b944bd9cDouglas Gregor if (QualifierLoc) { 2132b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Make sure the extended qualifier info is allocated. 2133b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (!hasExtInfo()) 2134b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall TypedefDeclOrQualifier = new (getASTContext()) ExtInfo; 2135b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Set qualifier info. 2136c22b5fff39a7520207f165fb16a27a34b944bd9cDouglas Gregor getExtInfo()->QualifierLoc = QualifierLoc; 2137b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall } 2138b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall else { 2139b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Here Qualifier == 0, i.e., we are removing the qualifier (if any). 2140b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (hasExtInfo()) { 21417f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara if (getExtInfo()->NumTemplParamLists == 0) { 21427f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara getASTContext().Deallocate(getExtInfo()); 21437f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara TypedefDeclOrQualifier = (TypedefDecl*) 0; 21447f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara } 21457f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara else 21467f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara getExtInfo()->QualifierLoc = QualifierLoc; 2147b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall } 2148b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall } 2149b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall} 2150b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 21517f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnaravoid TagDecl::setTemplateParameterListsInfo(ASTContext &Context, 21527f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara unsigned NumTPLists, 21537f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara TemplateParameterList **TPLists) { 21547f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara assert(NumTPLists > 0); 21557f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara // Make sure the extended decl info is allocated. 21567f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara if (!hasExtInfo()) 21577f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara // Allocate external info struct. 21587f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara TypedefDeclOrQualifier = new (getASTContext()) ExtInfo; 21597f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara // Set the template parameter lists info. 21607f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara getExtInfo()->setTemplateParameterListsInfo(Context, NumTPLists, TPLists); 21617f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara} 21627f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara 21634b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek//===----------------------------------------------------------------------===// 21647783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl// EnumDecl Implementation 21657783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 21667783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 2167ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo BagnaraEnumDecl *EnumDecl::Create(ASTContext &C, DeclContext *DC, 2168ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara SourceLocation StartLoc, SourceLocation IdLoc, 2169ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara IdentifierInfo *Id, 2170a88cefd266c428be33cc06f7e8b00ff8fc97c1ffAbramo Bagnara EnumDecl *PrevDecl, bool IsScoped, 2171a88cefd266c428be33cc06f7e8b00ff8fc97c1ffAbramo Bagnara bool IsScopedUsingClassTag, bool IsFixed) { 2172ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara EnumDecl *Enum = new (C) EnumDecl(DC, StartLoc, IdLoc, Id, PrevDecl, 2173a88cefd266c428be33cc06f7e8b00ff8fc97c1ffAbramo Bagnara IsScoped, IsScopedUsingClassTag, IsFixed); 21747783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl C.getTypeDeclType(Enum, PrevDecl); 21757783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return Enum; 21767783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 21777783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 2178b8b03e6df1cc89e701a809c6a47c41f31b7a9e50Argyrios KyrtzidisEnumDecl *EnumDecl::Create(ASTContext &C, EmptyShell Empty) { 2179ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara return new (C) EnumDecl(0, SourceLocation(), SourceLocation(), 0, 0, 2180a88cefd266c428be33cc06f7e8b00ff8fc97c1ffAbramo Bagnara false, false, false); 2181b8b03e6df1cc89e701a809c6a47c41f31b7a9e50Argyrios Kyrtzidis} 2182b8b03e6df1cc89e701a809c6a47c41f31b7a9e50Argyrios Kyrtzidis 2183838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregorvoid EnumDecl::completeDefinition(QualType NewType, 21841b5a618c59025898806160ed5e7f0ff5bb79e482John McCall QualType NewPromotionType, 21851b5a618c59025898806160ed5e7f0ff5bb79e482John McCall unsigned NumPositiveBits, 21861b5a618c59025898806160ed5e7f0ff5bb79e482John McCall unsigned NumNegativeBits) { 21877783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl assert(!isDefinition() && "Cannot redefine enums!"); 21881274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor if (!IntegerType) 21891274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor IntegerType = NewType.getTypePtr(); 21907783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl PromotionType = NewPromotionType; 21911b5a618c59025898806160ed5e7f0ff5bb79e482John McCall setNumPositiveBits(NumPositiveBits); 21921b5a618c59025898806160ed5e7f0ff5bb79e482John McCall setNumNegativeBits(NumNegativeBits); 21937783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl TagDecl::completeDefinition(); 21947783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 21957783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 21967783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 21978a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner// RecordDecl Implementation 21988a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner//===----------------------------------------------------------------------===// 21995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2200ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo BagnaraRecordDecl::RecordDecl(Kind DK, TagKind TK, DeclContext *DC, 2201ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara SourceLocation StartLoc, SourceLocation IdLoc, 2202ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara IdentifierInfo *Id, RecordDecl *PrevDecl) 2203ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara : TagDecl(DK, TK, DC, IdLoc, Id, PrevDecl, StartLoc) { 22046359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek HasFlexibleArrayMember = false; 2205bcbffc46f1ad3796c4582fa1e3a9113b5aa26061Douglas Gregor AnonymousStructOrUnion = false; 2206082b02e8403d3ee9d2ded969fbe0e5d472f04cd8Fariborz Jahanian HasObjectMember = false; 2207eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis LoadedFieldsFromExternalStorage = false; 22086359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek assert(classof(static_cast<Decl*>(this)) && "Invalid Kind!"); 22096359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek} 22106359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek 22114ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadRecordDecl *RecordDecl::Create(const ASTContext &C, TagKind TK, DeclContext *DC, 2212ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara SourceLocation StartLoc, SourceLocation IdLoc, 2213ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara IdentifierInfo *Id, RecordDecl* PrevDecl) { 2214ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara RecordDecl* R = new (C) RecordDecl(Record, TK, DC, StartLoc, IdLoc, Id, 2215ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara PrevDecl); 22164b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek C.getTypeDeclType(R, PrevDecl); 22174b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek return R; 22186359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek} 22196359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek 22204ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadRecordDecl *RecordDecl::Create(const ASTContext &C, EmptyShell Empty) { 2221ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara return new (C) RecordDecl(Record, TTK_Struct, 0, SourceLocation(), 2222ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara SourceLocation(), 0, 0); 2223b8b03e6df1cc89e701a809c6a47c41f31b7a9e50Argyrios Kyrtzidis} 2224b8b03e6df1cc89e701a809c6a47c41f31b7a9e50Argyrios Kyrtzidis 2225c9b5b4074bd73d4af76e69cccf8ecd365fdd1008Douglas Gregorbool RecordDecl::isInjectedClassName() const { 22261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return isImplicit() && getDeclName() && getDeclContext()->isRecord() && 2227c9b5b4074bd73d4af76e69cccf8ecd365fdd1008Douglas Gregor cast<RecordDecl>(getDeclContext())->getDeclName() == getDeclName(); 2228c9b5b4074bd73d4af76e69cccf8ecd365fdd1008Douglas Gregor} 2229c9b5b4074bd73d4af76e69cccf8ecd365fdd1008Douglas Gregor 2230eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios KyrtzidisRecordDecl::field_iterator RecordDecl::field_begin() const { 2231eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis if (hasExternalLexicalStorage() && !LoadedFieldsFromExternalStorage) 2232eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis LoadFieldsFromExternalStorage(); 2233eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 2234eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis return field_iterator(decl_iterator(FirstDecl)); 2235eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis} 2236eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 2237da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor/// completeDefinition - Notes that the definition of this type is now 2238da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor/// complete. 2239da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregorvoid RecordDecl::completeDefinition() { 2240da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor assert(!isDefinition() && "Cannot redefine record!"); 2241da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor TagDecl::completeDefinition(); 2242da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor} 2243da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor 2244eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidisvoid RecordDecl::LoadFieldsFromExternalStorage() const { 2245eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis ExternalASTSource *Source = getASTContext().getExternalSource(); 2246eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis assert(hasExternalLexicalStorage() && Source && "No external storage?"); 2247eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 2248eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis // Notify that we have a RecordDecl doing some initialization. 2249eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis ExternalASTSource::Deserializing TheFields(Source); 2250eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 2251eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis llvm::SmallVector<Decl*, 64> Decls; 2252eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis if (Source->FindExternalLexicalDeclsBy<FieldDecl>(this, Decls)) 2253eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis return; 2254eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 2255eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis#ifndef NDEBUG 2256eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis // Check that all decls we got were FieldDecls. 2257eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis for (unsigned i=0, e=Decls.size(); i != e; ++i) 2258eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis assert(isa<FieldDecl>(Decls[i])); 2259eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis#endif 2260eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 2261eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis LoadedFieldsFromExternalStorage = true; 2262eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 2263eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis if (Decls.empty()) 2264eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis return; 2265eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 2266eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis llvm::tie(FirstDecl, LastDecl) = BuildDeclChain(Decls); 2267eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis} 2268eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 226956ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff//===----------------------------------------------------------------------===// 227056ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff// BlockDecl Implementation 227156ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff//===----------------------------------------------------------------------===// 227256ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff 2273838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregorvoid BlockDecl::setParams(ParmVarDecl **NewParamInfo, 2274e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff unsigned NParms) { 2275e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff assert(ParamInfo == 0 && "Already has param info!"); 22761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2277e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff // Zero params -> null pointer. 2278e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff if (NParms) { 2279e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff NumParams = NParms; 2280838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor void *Mem = getASTContext().Allocate(sizeof(ParmVarDecl*)*NumParams); 2281e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff ParamInfo = new (Mem) ParmVarDecl*[NumParams]; 2282e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff memcpy(ParamInfo, NewParamInfo, sizeof(ParmVarDecl*)*NumParams); 2283e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff } 2284e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff} 2285e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff 22866b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCallvoid BlockDecl::setCaptures(ASTContext &Context, 22876b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall const Capture *begin, 22886b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall const Capture *end, 22896b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall bool capturesCXXThis) { 2290469a1eb996e1cb0be54f9b210f836afbddcbb2ccJohn McCall CapturesCXXThis = capturesCXXThis; 2291469a1eb996e1cb0be54f9b210f836afbddcbb2ccJohn McCall 2292469a1eb996e1cb0be54f9b210f836afbddcbb2ccJohn McCall if (begin == end) { 22936b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall NumCaptures = 0; 22946b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall Captures = 0; 2295469a1eb996e1cb0be54f9b210f836afbddcbb2ccJohn McCall return; 2296469a1eb996e1cb0be54f9b210f836afbddcbb2ccJohn McCall } 2297469a1eb996e1cb0be54f9b210f836afbddcbb2ccJohn McCall 22986b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall NumCaptures = end - begin; 22996b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall 23006b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall // Avoid new Capture[] because we don't want to provide a default 23016b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall // constructor. 23026b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall size_t allocationSize = NumCaptures * sizeof(Capture); 23036b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall void *buffer = Context.Allocate(allocationSize, /*alignment*/sizeof(void*)); 23046b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall memcpy(buffer, begin, allocationSize); 23056b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall Captures = static_cast<Capture*>(buffer); 2306e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff} 23077783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 23082fcbceff97e065cff499e6cc563ca25c762bf547Douglas GregorSourceRange BlockDecl::getSourceRange() const { 23092fcbceff97e065cff499e6cc563ca25c762bf547Douglas Gregor return SourceRange(getLocation(), Body? Body->getLocEnd() : getLocation()); 23102fcbceff97e065cff499e6cc563ca25c762bf547Douglas Gregor} 23117783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 23127783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 23137783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl// Other Decl Allocation/Deallocation Method Implementations 23147783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 23157783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 23167783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlTranslationUnitDecl *TranslationUnitDecl::Create(ASTContext &C) { 23177783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) TranslationUnitDecl(C); 23187783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 23197783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 2320ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris LattnerLabelDecl *LabelDecl::Create(ASTContext &C, DeclContext *DC, 23216784304db526cde59046d613c4175ce2caf93e44Abramo Bagnara SourceLocation IdentL, IdentifierInfo *II) { 23226784304db526cde59046d613c4175ce2caf93e44Abramo Bagnara return new (C) LabelDecl(DC, IdentL, II, 0, IdentL); 23236784304db526cde59046d613c4175ce2caf93e44Abramo Bagnara} 23246784304db526cde59046d613c4175ce2caf93e44Abramo Bagnara 23256784304db526cde59046d613c4175ce2caf93e44Abramo BagnaraLabelDecl *LabelDecl::Create(ASTContext &C, DeclContext *DC, 23266784304db526cde59046d613c4175ce2caf93e44Abramo Bagnara SourceLocation IdentL, IdentifierInfo *II, 23276784304db526cde59046d613c4175ce2caf93e44Abramo Bagnara SourceLocation GnuLabelL) { 23286784304db526cde59046d613c4175ce2caf93e44Abramo Bagnara assert(GnuLabelL != IdentL && "Use this only for GNU local labels"); 23296784304db526cde59046d613c4175ce2caf93e44Abramo Bagnara return new (C) LabelDecl(DC, IdentL, II, 0, GnuLabelL); 2330ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner} 2331ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner 2332ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner 23337783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlNamespaceDecl *NamespaceDecl::Create(ASTContext &C, DeclContext *DC, 2334acba90f30876b4140b738f0d3dd0e50724053a96Abramo Bagnara SourceLocation StartLoc, 2335acba90f30876b4140b738f0d3dd0e50724053a96Abramo Bagnara SourceLocation IdLoc, IdentifierInfo *Id) { 2336acba90f30876b4140b738f0d3dd0e50724053a96Abramo Bagnara return new (C) NamespaceDecl(DC, StartLoc, IdLoc, Id); 23377783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 23387783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 233906c919300ce39e50ed7f6dff5025c8ed96dcf221Douglas GregorNamespaceDecl *NamespaceDecl::getNextNamespace() { 234006c919300ce39e50ed7f6dff5025c8ed96dcf221Douglas Gregor return dyn_cast_or_null<NamespaceDecl>( 234106c919300ce39e50ed7f6dff5025c8ed96dcf221Douglas Gregor NextNamespace.get(getASTContext().getExternalSource())); 234206c919300ce39e50ed7f6dff5025c8ed96dcf221Douglas Gregor} 234306c919300ce39e50ed7f6dff5025c8ed96dcf221Douglas Gregor 23447783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlImplicitParamDecl *ImplicitParamDecl::Create(ASTContext &C, DeclContext *DC, 2345ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation IdLoc, 2346ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara IdentifierInfo *Id, 2347ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara QualType Type) { 2348ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara return new (C) ImplicitParamDecl(DC, IdLoc, Id, Type); 23497783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 23507783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 23517783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlFunctionDecl *FunctionDecl::Create(ASTContext &C, DeclContext *DC, 2352ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation StartLoc, 23532577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 23542577743c5650c646fb705df01403707e94f2df04Abramo Bagnara QualType T, TypeSourceInfo *TInfo, 2355ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara StorageClass SC, StorageClass SCAsWritten, 23568f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor bool isInlineSpecified, 23578f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor bool hasWrittenPrototype) { 2358ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara FunctionDecl *New = new (C) FunctionDecl(Function, DC, StartLoc, NameInfo, 2359ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara T, TInfo, SC, SCAsWritten, 2360ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara isInlineSpecified); 23617783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl New->HasWrittenPrototype = hasWrittenPrototype; 23627783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return New; 23637783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 23647783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 23657783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlBlockDecl *BlockDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L) { 23667783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) BlockDecl(DC, L); 23677783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 23687783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 23697783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlEnumConstantDecl *EnumConstantDecl::Create(ASTContext &C, EnumDecl *CD, 23707783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl SourceLocation L, 23717783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl IdentifierInfo *Id, QualType T, 23727783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl Expr *E, const llvm::APSInt &V) { 23737783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) EnumConstantDecl(CD, L, Id, T, E, V); 23747783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 23757783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 2376d98114647e16796a976b04af79975b4f0eacf22bBenjamin KramerIndirectFieldDecl * 2377d98114647e16796a976b04af79975b4f0eacf22bBenjamin KramerIndirectFieldDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L, 2378d98114647e16796a976b04af79975b4f0eacf22bBenjamin Kramer IdentifierInfo *Id, QualType T, NamedDecl **CH, 2379d98114647e16796a976b04af79975b4f0eacf22bBenjamin Kramer unsigned CHS) { 238087c2e121cf0522fc266efe2922b58091cd2e0182Francois Pichet return new (C) IndirectFieldDecl(DC, L, Id, T, CH, CHS); 238187c2e121cf0522fc266efe2922b58091cd2e0182Francois Pichet} 238287c2e121cf0522fc266efe2922b58091cd2e0182Francois Pichet 23838e7139c9554230df64325f70fe202c83491ba7f5Douglas GregorSourceRange EnumConstantDecl::getSourceRange() const { 23848e7139c9554230df64325f70fe202c83491ba7f5Douglas Gregor SourceLocation End = getLocation(); 23858e7139c9554230df64325f70fe202c83491ba7f5Douglas Gregor if (Init) 23868e7139c9554230df64325f70fe202c83491ba7f5Douglas Gregor End = Init->getLocEnd(); 23878e7139c9554230df64325f70fe202c83491ba7f5Douglas Gregor return SourceRange(getLocation(), End); 23888e7139c9554230df64325f70fe202c83491ba7f5Douglas Gregor} 23898e7139c9554230df64325f70fe202c83491ba7f5Douglas Gregor 23907783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlTypedefDecl *TypedefDecl::Create(ASTContext &C, DeclContext *DC, 2391344577e6b58f42d18dc8118c8903b49a85dc005eAbramo Bagnara SourceLocation StartLoc, SourceLocation IdLoc, 2392344577e6b58f42d18dc8118c8903b49a85dc005eAbramo Bagnara IdentifierInfo *Id, TypeSourceInfo *TInfo) { 2393344577e6b58f42d18dc8118c8903b49a85dc005eAbramo Bagnara return new (C) TypedefDecl(DC, StartLoc, IdLoc, Id, TInfo); 23947783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 23957783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 2396a2026c96d3935e7909e049ad9096762844544ed6Abramo BagnaraSourceRange TypedefDecl::getSourceRange() const { 2397a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara SourceLocation RangeEnd = getLocation(); 2398a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara if (TypeSourceInfo *TInfo = getTypeSourceInfo()) { 2399a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara if (typeIsPostfix(TInfo->getType())) 2400a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara RangeEnd = TInfo->getTypeLoc().getSourceRange().getEnd(); 2401a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara } 2402a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara return SourceRange(getLocStart(), RangeEnd); 2403a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara} 2404a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara 24057783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlFileScopeAsmDecl *FileScopeAsmDecl::Create(ASTContext &C, DeclContext *DC, 240621e006e51a7f9889f55f5bc7b3ca8b50d17571ecAbramo Bagnara StringLiteral *Str, 240721e006e51a7f9889f55f5bc7b3ca8b50d17571ecAbramo Bagnara SourceLocation AsmLoc, 240821e006e51a7f9889f55f5bc7b3ca8b50d17571ecAbramo Bagnara SourceLocation RParenLoc) { 240921e006e51a7f9889f55f5bc7b3ca8b50d17571ecAbramo Bagnara return new (C) FileScopeAsmDecl(DC, Str, AsmLoc, RParenLoc); 24107783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 2411