Decl.cpp revision 8be0c74e4a779b13c2d8fd8482dcd438eeb089d3
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). 54bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor if (D->getASTContext().getTargetInfo().getTriple().isOSDarwin()) { 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 2006ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCallstatic bool shouldConsiderTemplateLV(const FunctionDecl *fn, 2016ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall const FunctionTemplateSpecializationInfo *spec) { 2026ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall return !(spec->isExplicitSpecialization() && 2036ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall fn->hasAttr<VisibilityAttr>()); 2046ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall} 2056ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall 2066ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCallstatic bool shouldConsiderTemplateLV(const ClassTemplateSpecializationDecl *d) { 2076ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall return !(d->isExplicitSpecialization() && d->hasAttr<VisibilityAttr>()); 2086ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall} 2096ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall 2103698748400478880d2a146ef9eaa111cd0e60522John McCallstatic LinkageInfo getLVForNamespaceScopeDecl(const NamedDecl *D, LVFlags F) { 2117a126a474fdde06382b315b4e3d8ef0a21d4dc31Sebastian Redl assert(D->getDeclContext()->getRedeclContext()->isFileContext() && 212d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor "Not a name having namespace scope"); 213d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor ASTContext &Context = D->getASTContext(); 214d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 215d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C++ [basic.link]p3: 216d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // A name having namespace scope (3.3.6) has internal linkage if it 217d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // is the name of 218d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - an object, reference, function or function template that is 219d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // explicitly declared static; or, 220d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // (This bullet corresponds to C99 6.2.2p3.) 221d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const VarDecl *Var = dyn_cast<VarDecl>(D)) { 222d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // Explicitly declared static. 223d931b086984257de68868a64a235c2b4b34003fbJohn McCall if (Var->getStorageClass() == SC_Static) 224af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::internal(); 225d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 226d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - an object or reference that is explicitly declared const 227d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // and neither explicitly declared extern nor previously 228d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // declared to have external linkage; or 229d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // (there is no equivalent in C99) 230d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (Context.getLangOptions().CPlusPlus && 231e9d6554ba78fb81e810fdaec9b2c98ab96526e83Eli Friedman Var->getType().isConstant(Context) && 232d931b086984257de68868a64a235c2b4b34003fbJohn McCall Var->getStorageClass() != SC_Extern && 233d931b086984257de68868a64a235c2b4b34003fbJohn McCall Var->getStorageClass() != SC_PrivateExtern) { 234d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor bool FoundExtern = false; 235d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor for (const VarDecl *PrevVar = Var->getPreviousDeclaration(); 236d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor PrevVar && !FoundExtern; 237d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor PrevVar = PrevVar->getPreviousDeclaration()) 2380b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (isExternalLinkage(PrevVar->getLinkage())) 239d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor FoundExtern = true; 240d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 241d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (!FoundExtern) 242af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::internal(); 243d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 244c7c9058f4977ef4584d68718e23f34504b150ef4Fariborz Jahanian if (Var->getStorageClass() == SC_None) { 245c7c9058f4977ef4584d68718e23f34504b150ef4Fariborz Jahanian const VarDecl *PrevVar = Var->getPreviousDeclaration(); 246c7c9058f4977ef4584d68718e23f34504b150ef4Fariborz Jahanian for (; PrevVar; PrevVar = PrevVar->getPreviousDeclaration()) 247c7c9058f4977ef4584d68718e23f34504b150ef4Fariborz Jahanian if (PrevVar->getStorageClass() == SC_PrivateExtern) 248c7c9058f4977ef4584d68718e23f34504b150ef4Fariborz Jahanian break; 249c7c9058f4977ef4584d68718e23f34504b150ef4Fariborz Jahanian if (PrevVar) 250c7c9058f4977ef4584d68718e23f34504b150ef4Fariborz Jahanian return PrevVar->getLinkageAndVisibility(); 251c7c9058f4977ef4584d68718e23f34504b150ef4Fariborz Jahanian } 252d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } else if (isa<FunctionDecl>(D) || isa<FunctionTemplateDecl>(D)) { 2530b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor // C++ [temp]p4: 2540b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor // A non-member function template can have internal linkage; any 2550b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor // other template name shall have external linkage. 256d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor const FunctionDecl *Function = 0; 257d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const FunctionTemplateDecl *FunTmpl 258d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor = dyn_cast<FunctionTemplateDecl>(D)) 259d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor Function = FunTmpl->getTemplatedDecl(); 260d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor else 261d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor Function = cast<FunctionDecl>(D); 262d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 263d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // Explicitly declared static. 264d931b086984257de68868a64a235c2b4b34003fbJohn McCall if (Function->getStorageClass() == SC_Static) 265af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo(InternalLinkage, DefaultVisibility, false); 266d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } else if (const FieldDecl *Field = dyn_cast<FieldDecl>(D)) { 267d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - a data member of an anonymous union. 268d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (cast<RecordDecl>(Field->getDeclContext())->isAnonymousStructOrUnion()) 269af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::internal(); 270d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 271d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 272094b64336495496ca29bc1e4774f5e2ceed79096Chandler Carruth if (D->isInAnonymousNamespace()) { 273094b64336495496ca29bc1e4774f5e2ceed79096Chandler Carruth const VarDecl *Var = dyn_cast<VarDecl>(D); 274094b64336495496ca29bc1e4774f5e2ceed79096Chandler Carruth const FunctionDecl *Func = dyn_cast<FunctionDecl>(D); 275094b64336495496ca29bc1e4774f5e2ceed79096Chandler Carruth if ((!Var || !Var->isExternC()) && (!Func || !Func->isExternC())) 276094b64336495496ca29bc1e4774f5e2ceed79096Chandler Carruth return LinkageInfo::uniqueExternal(); 277094b64336495496ca29bc1e4774f5e2ceed79096Chandler Carruth } 278e7bc9722c807030409178d4af8ce8d1260bbd821John McCall 2791fb0caaa7bef765b85972274e3b434af2572c141John McCall // Set up the defaults. 2801fb0caaa7bef765b85972274e3b434af2572c141John McCall 2811fb0caaa7bef765b85972274e3b434af2572c141John McCall // C99 6.2.2p5: 2821fb0caaa7bef765b85972274e3b434af2572c141John McCall // If the declaration of an identifier for an object has file 2831fb0caaa7bef765b85972274e3b434af2572c141John McCall // scope and no storage-class specifier, its linkage is 2841fb0caaa7bef765b85972274e3b434af2572c141John McCall // external. 285af14603ca61757cf4361b583b45639a04c57e651John McCall LinkageInfo LV; 286af14603ca61757cf4361b583b45639a04c57e651John McCall 2873698748400478880d2a146ef9eaa111cd0e60522John McCall if (F.ConsiderVisibilityAttributes) { 2884421d2b341d041df44013769f23c306308bbab83Douglas Gregor if (llvm::Optional<Visibility> Vis = D->getExplicitVisibility()) { 2894421d2b341d041df44013769f23c306308bbab83Douglas Gregor LV.setVisibility(*Vis, true); 2903698748400478880d2a146ef9eaa111cd0e60522John McCall F.ConsiderGlobalVisibility = false; 29190f1450c109fbbd333001165bbd986061f7c4513John McCall } else { 29290f1450c109fbbd333001165bbd986061f7c4513John McCall // If we're declared in a namespace with a visibility attribute, 29390f1450c109fbbd333001165bbd986061f7c4513John McCall // use that namespace's visibility, but don't call it explicit. 29490f1450c109fbbd333001165bbd986061f7c4513John McCall for (const DeclContext *DC = D->getDeclContext(); 29590f1450c109fbbd333001165bbd986061f7c4513John McCall !isa<TranslationUnitDecl>(DC); 29690f1450c109fbbd333001165bbd986061f7c4513John McCall DC = DC->getParent()) { 29790f1450c109fbbd333001165bbd986061f7c4513John McCall if (!isa<NamespaceDecl>(DC)) continue; 2984421d2b341d041df44013769f23c306308bbab83Douglas Gregor if (llvm::Optional<Visibility> Vis 2994421d2b341d041df44013769f23c306308bbab83Douglas Gregor = cast<NamespaceDecl>(DC)->getExplicitVisibility()) { 3004421d2b341d041df44013769f23c306308bbab83Douglas Gregor LV.setVisibility(*Vis, false); 30190f1450c109fbbd333001165bbd986061f7c4513John McCall F.ConsiderGlobalVisibility = false; 30290f1450c109fbbd333001165bbd986061f7c4513John McCall break; 30390f1450c109fbbd333001165bbd986061f7c4513John McCall } 30490f1450c109fbbd333001165bbd986061f7c4513John McCall } 3053698748400478880d2a146ef9eaa111cd0e60522John McCall } 306af14603ca61757cf4361b583b45639a04c57e651John McCall } 3071fb0caaa7bef765b85972274e3b434af2572c141John McCall 308d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C++ [basic.link]p4: 3091fb0caaa7bef765b85972274e3b434af2572c141John McCall 310d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // A name having namespace scope has external linkage if it is the 311d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // name of 312d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // 313d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - an object or reference, unless it has internal linkage; or 314d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const VarDecl *Var = dyn_cast<VarDecl>(D)) { 315110e8e56af30363072c140285961592b0107f789John McCall // GCC applies the following optimization to variables and static 316110e8e56af30363072c140285961592b0107f789John McCall // data members, but not to functions: 317110e8e56af30363072c140285961592b0107f789John McCall // 3181fb0caaa7bef765b85972274e3b434af2572c141John McCall // Modify the variable's LV by the LV of its type unless this is 3191fb0caaa7bef765b85972274e3b434af2572c141John McCall // C or extern "C". This follows from [basic.link]p9: 3201fb0caaa7bef765b85972274e3b434af2572c141John McCall // A type without linkage shall not be used as the type of a 3211fb0caaa7bef765b85972274e3b434af2572c141John McCall // variable or function with external linkage unless 3221fb0caaa7bef765b85972274e3b434af2572c141John McCall // - the entity has C language linkage, or 3231fb0caaa7bef765b85972274e3b434af2572c141John McCall // - the entity is declared within an unnamed namespace, or 3241fb0caaa7bef765b85972274e3b434af2572c141John McCall // - the entity is not used or is defined in the same 3251fb0caaa7bef765b85972274e3b434af2572c141John McCall // translation unit. 3261fb0caaa7bef765b85972274e3b434af2572c141John McCall // and [basic.link]p10: 3271fb0caaa7bef765b85972274e3b434af2572c141John McCall // ...the types specified by all declarations referring to a 3281fb0caaa7bef765b85972274e3b434af2572c141John McCall // given variable or function shall be identical... 3291fb0caaa7bef765b85972274e3b434af2572c141John McCall // C does not have an equivalent rule. 3301fb0caaa7bef765b85972274e3b434af2572c141John McCall // 331ac65c6208d48b0f9b4661c30c28997a280ac5ba6John McCall // Ignore this if we've got an explicit attribute; the user 332ac65c6208d48b0f9b4661c30c28997a280ac5ba6John McCall // probably knows what they're doing. 333ac65c6208d48b0f9b4661c30c28997a280ac5ba6John McCall // 3341fb0caaa7bef765b85972274e3b434af2572c141John McCall // Note that we don't want to make the variable non-external 3351fb0caaa7bef765b85972274e3b434af2572c141John McCall // because of this, but unique-external linkage suits us. 336ee30102a9ef32cdbf0afe0e4c07a53d265a18f98John McCall if (Context.getLangOptions().CPlusPlus && !Var->isExternC()) { 3371fb0caaa7bef765b85972274e3b434af2572c141John McCall LVPair TypeLV = Var->getType()->getLinkageAndVisibility(); 3381fb0caaa7bef765b85972274e3b434af2572c141John McCall if (TypeLV.first != ExternalLinkage) 339af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::uniqueExternal(); 340af14603ca61757cf4361b583b45639a04c57e651John McCall if (!LV.visibilityExplicit()) 341af14603ca61757cf4361b583b45639a04c57e651John McCall LV.mergeVisibility(TypeLV.second); 342110e8e56af30363072c140285961592b0107f789John McCall } 343110e8e56af30363072c140285961592b0107f789John McCall 34435cebc3eea898637057b10b5cf7dd08b1d788980John McCall if (Var->getStorageClass() == SC_PrivateExtern) 34535cebc3eea898637057b10b5cf7dd08b1d788980John McCall LV.setVisibility(HiddenVisibility, true); 34635cebc3eea898637057b10b5cf7dd08b1d788980John McCall 347d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (!Context.getLangOptions().CPlusPlus && 348d931b086984257de68868a64a235c2b4b34003fbJohn McCall (Var->getStorageClass() == SC_Extern || 349d931b086984257de68868a64a235c2b4b34003fbJohn McCall Var->getStorageClass() == SC_PrivateExtern)) { 3501fb0caaa7bef765b85972274e3b434af2572c141John McCall 351d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C99 6.2.2p4: 352d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // For an identifier declared with the storage-class specifier 353d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // extern in a scope in which a prior declaration of that 354d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // identifier is visible, if the prior declaration specifies 355d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // internal or external linkage, the linkage of the identifier 356d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // at the later declaration is the same as the linkage 357d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // specified at the prior declaration. If no prior declaration 358d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // is visible, or if the prior declaration specifies no 359d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // linkage, then the identifier has external linkage. 360d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const VarDecl *PrevVar = Var->getPreviousDeclaration()) { 361381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor LinkageInfo PrevLV = getLVForDecl(PrevVar, F); 362af14603ca61757cf4361b583b45639a04c57e651John McCall if (PrevLV.linkage()) LV.setLinkage(PrevLV.linkage()); 363af14603ca61757cf4361b583b45639a04c57e651John McCall LV.mergeVisibility(PrevLV); 364d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 365d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 366d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 367d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - a function, unless it has internal linkage; or 3681fb0caaa7bef765b85972274e3b434af2572c141John McCall } else if (const FunctionDecl *Function = dyn_cast<FunctionDecl>(D)) { 36967fa6d5ea630c800c3c96e129129aba93d1487c2John McCall // In theory, we can modify the function's LV by the LV of its 37067fa6d5ea630c800c3c96e129129aba93d1487c2John McCall // type unless it has C linkage (see comment above about variables 37167fa6d5ea630c800c3c96e129129aba93d1487c2John McCall // for justification). In practice, GCC doesn't do this, so it's 37267fa6d5ea630c800c3c96e129129aba93d1487c2John McCall // just too painful to make work. 3731fb0caaa7bef765b85972274e3b434af2572c141John McCall 37435cebc3eea898637057b10b5cf7dd08b1d788980John McCall if (Function->getStorageClass() == SC_PrivateExtern) 37535cebc3eea898637057b10b5cf7dd08b1d788980John McCall LV.setVisibility(HiddenVisibility, true); 37635cebc3eea898637057b10b5cf7dd08b1d788980John McCall 377d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C99 6.2.2p5: 378d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // If the declaration of an identifier for a function has no 379d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // storage-class specifier, its linkage is determined exactly 380d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // as if it were declared with the storage-class specifier 381d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // extern. 382d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (!Context.getLangOptions().CPlusPlus && 383d931b086984257de68868a64a235c2b4b34003fbJohn McCall (Function->getStorageClass() == SC_Extern || 384d931b086984257de68868a64a235c2b4b34003fbJohn McCall Function->getStorageClass() == SC_PrivateExtern || 385d931b086984257de68868a64a235c2b4b34003fbJohn McCall Function->getStorageClass() == SC_None)) { 386d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C99 6.2.2p4: 387d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // For an identifier declared with the storage-class specifier 388d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // extern in a scope in which a prior declaration of that 389d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // identifier is visible, if the prior declaration specifies 390d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // internal or external linkage, the linkage of the identifier 391d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // at the later declaration is the same as the linkage 392d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // specified at the prior declaration. If no prior declaration 393d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // is visible, or if the prior declaration specifies no 394d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // linkage, then the identifier has external linkage. 395d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const FunctionDecl *PrevFunc = Function->getPreviousDeclaration()) { 396381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor LinkageInfo PrevLV = getLVForDecl(PrevFunc, F); 397af14603ca61757cf4361b583b45639a04c57e651John McCall if (PrevLV.linkage()) LV.setLinkage(PrevLV.linkage()); 398af14603ca61757cf4361b583b45639a04c57e651John McCall LV.mergeVisibility(PrevLV); 399d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 400d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 401d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 402af8ca37a7fa45bff84831706c6d85f9e5b4e1d15John McCall // In C++, then if the type of the function uses a type with 403af8ca37a7fa45bff84831706c6d85f9e5b4e1d15John McCall // unique-external linkage, it's not legally usable from outside 404af8ca37a7fa45bff84831706c6d85f9e5b4e1d15John McCall // this translation unit. However, we should use the C linkage 405af8ca37a7fa45bff84831706c6d85f9e5b4e1d15John McCall // rules instead for extern "C" declarations. 406af8ca37a7fa45bff84831706c6d85f9e5b4e1d15John McCall if (Context.getLangOptions().CPlusPlus && !Function->isExternC() && 407af8ca37a7fa45bff84831706c6d85f9e5b4e1d15John McCall Function->getType()->getLinkage() == UniqueExternalLinkage) 408af8ca37a7fa45bff84831706c6d85f9e5b4e1d15John McCall return LinkageInfo::uniqueExternal(); 409af8ca37a7fa45bff84831706c6d85f9e5b4e1d15John McCall 4106ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall // Consider LV from the template and the template arguments unless 4116ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall // this is an explicit specialization with a visibility attribute. 4126ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall if (FunctionTemplateSpecializationInfo *specInfo 4130b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor = Function->getTemplateSpecializationInfo()) { 4146ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall if (shouldConsiderTemplateLV(Function, specInfo)) { 4156ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall LV.merge(getLVForDecl(specInfo->getTemplate(), 4166ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall F.onlyTemplateVisibility())); 4176ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall const TemplateArgumentList &templateArgs = *specInfo->TemplateArguments; 4186ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall LV.merge(getLVForTemplateArgumentList(templateArgs, F)); 4196ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall } 4200b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 4210b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 422d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - a named class (Clause 9), or an unnamed class defined in a 423d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // typedef declaration in which the class has the typedef name 424d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // for linkage purposes (7.1.3); or 425d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - a named enumeration (7.2), or an unnamed enumeration 426d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // defined in a typedef declaration in which the enumeration 427d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // has the typedef name for linkage purposes (7.1.3); or 4281fb0caaa7bef765b85972274e3b434af2572c141John McCall } else if (const TagDecl *Tag = dyn_cast<TagDecl>(D)) { 4291fb0caaa7bef765b85972274e3b434af2572c141John McCall // Unnamed tags have no linkage. 430162e1c1b487352434552147967c3dd296ebee2f7Richard Smith if (!Tag->getDeclName() && !Tag->getTypedefNameForAnonDecl()) 431af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::none(); 4321fb0caaa7bef765b85972274e3b434af2572c141John McCall 4331fb0caaa7bef765b85972274e3b434af2572c141John McCall // If this is a class template specialization, consider the 4341fb0caaa7bef765b85972274e3b434af2572c141John McCall // linkage of the template and template arguments. 4356ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall if (const ClassTemplateSpecializationDecl *spec 4361fb0caaa7bef765b85972274e3b434af2572c141John McCall = dyn_cast<ClassTemplateSpecializationDecl>(Tag)) { 4376ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall if (shouldConsiderTemplateLV(spec)) { 4386ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall // From the template. 4396ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall LV.merge(getLVForDecl(spec->getSpecializedTemplate(), 4406ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall F.onlyTemplateVisibility())); 4416ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall 4426ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall // The arguments at which the template was instantiated. 4436ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall const TemplateArgumentList &TemplateArgs = spec->getTemplateArgs(); 4446ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall LV.merge(getLVForTemplateArgumentList(TemplateArgs, F)); 4456ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall } 4460b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 447d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 448ac65c6208d48b0f9b4661c30c28997a280ac5ba6John McCall // Consider -fvisibility unless the type has C linkage. 4493698748400478880d2a146ef9eaa111cd0e60522John McCall if (F.ConsiderGlobalVisibility) 4503698748400478880d2a146ef9eaa111cd0e60522John McCall F.ConsiderGlobalVisibility = 451ac65c6208d48b0f9b4661c30c28997a280ac5ba6John McCall (Context.getLangOptions().CPlusPlus && 452ac65c6208d48b0f9b4661c30c28997a280ac5ba6John McCall !Tag->getDeclContext()->isExternCContext()); 4531fb0caaa7bef765b85972274e3b434af2572c141John McCall 454d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - an enumerator belonging to an enumeration with external linkage; 4551fb0caaa7bef765b85972274e3b434af2572c141John McCall } else if (isa<EnumConstantDecl>(D)) { 456381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor LinkageInfo EnumLV = getLVForDecl(cast<NamedDecl>(D->getDeclContext()), F); 457af14603ca61757cf4361b583b45639a04c57e651John McCall if (!isExternalLinkage(EnumLV.linkage())) 458af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::none(); 459af14603ca61757cf4361b583b45639a04c57e651John McCall LV.merge(EnumLV); 460d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 461d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - a template, unless it is a function template that has 462d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // internal linkage (Clause 14); 4631a0918ade0a3490c7aff243f9cd519156dfcb0bdJohn McCall } else if (const TemplateDecl *temp = dyn_cast<TemplateDecl>(D)) { 4641a0918ade0a3490c7aff243f9cd519156dfcb0bdJohn McCall if (F.ConsiderTemplateParameterTypes) 4651a0918ade0a3490c7aff243f9cd519156dfcb0bdJohn McCall LV.merge(getLVForTemplateParameterList(temp->getTemplateParameters())); 4660b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 467d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - a namespace (7.3), unless it is declared within an unnamed 468d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // namespace. 4691fb0caaa7bef765b85972274e3b434af2572c141John McCall } else if (isa<NamespaceDecl>(D) && !D->isInAnonymousNamespace()) { 4701fb0caaa7bef765b85972274e3b434af2572c141John McCall return LV; 4711fb0caaa7bef765b85972274e3b434af2572c141John McCall 4721fb0caaa7bef765b85972274e3b434af2572c141John McCall // By extension, we assign external linkage to Objective-C 4731fb0caaa7bef765b85972274e3b434af2572c141John McCall // interfaces. 4741fb0caaa7bef765b85972274e3b434af2572c141John McCall } else if (isa<ObjCInterfaceDecl>(D)) { 4751fb0caaa7bef765b85972274e3b434af2572c141John McCall // fallout 4761fb0caaa7bef765b85972274e3b434af2572c141John McCall 4771fb0caaa7bef765b85972274e3b434af2572c141John McCall // Everything not covered here has no linkage. 4781fb0caaa7bef765b85972274e3b434af2572c141John McCall } else { 479af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::none(); 4801fb0caaa7bef765b85972274e3b434af2572c141John McCall } 4811fb0caaa7bef765b85972274e3b434af2572c141John McCall 4821fb0caaa7bef765b85972274e3b434af2572c141John McCall // If we ended up with non-external linkage, visibility should 4831fb0caaa7bef765b85972274e3b434af2572c141John McCall // always be default. 484af14603ca61757cf4361b583b45639a04c57e651John McCall if (LV.linkage() != ExternalLinkage) 485af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo(LV.linkage(), DefaultVisibility, false); 4861fb0caaa7bef765b85972274e3b434af2572c141John McCall 4871fb0caaa7bef765b85972274e3b434af2572c141John McCall // If we didn't end up with hidden visibility, consider attributes 4881fb0caaa7bef765b85972274e3b434af2572c141John McCall // and -fvisibility. 4893698748400478880d2a146ef9eaa111cd0e60522John McCall if (F.ConsiderGlobalVisibility) 490af14603ca61757cf4361b583b45639a04c57e651John McCall LV.mergeVisibility(Context.getLangOptions().getVisibilityMode()); 491d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 4921fb0caaa7bef765b85972274e3b434af2572c141John McCall return LV; 493d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor} 494d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 4953698748400478880d2a146ef9eaa111cd0e60522John McCallstatic LinkageInfo getLVForClassMember(const NamedDecl *D, LVFlags F) { 4961fb0caaa7bef765b85972274e3b434af2572c141John McCall // Only certain class members have linkage. Note that fields don't 4971fb0caaa7bef765b85972274e3b434af2572c141John McCall // really have linkage, but it's convenient to say they do for the 4981fb0caaa7bef765b85972274e3b434af2572c141John McCall // purposes of calculating linkage of pointer-to-data-member 4991fb0caaa7bef765b85972274e3b434af2572c141John McCall // template arguments. 5003cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall if (!(isa<CXXMethodDecl>(D) || 5013cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall isa<VarDecl>(D) || 5021fb0caaa7bef765b85972274e3b434af2572c141John McCall isa<FieldDecl>(D) || 5033cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall (isa<TagDecl>(D) && 504162e1c1b487352434552147967c3dd296ebee2f7Richard Smith (D->getDeclName() || cast<TagDecl>(D)->getTypedefNameForAnonDecl())))) 505af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::none(); 5063cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall 5073698748400478880d2a146ef9eaa111cd0e60522John McCall LinkageInfo LV; 5083698748400478880d2a146ef9eaa111cd0e60522John McCall 5093698748400478880d2a146ef9eaa111cd0e60522John McCall // The flags we're going to use to compute the class's visibility. 5103698748400478880d2a146ef9eaa111cd0e60522John McCall LVFlags ClassF = F; 5113698748400478880d2a146ef9eaa111cd0e60522John McCall 5123698748400478880d2a146ef9eaa111cd0e60522John McCall // If we have an explicit visibility attribute, merge that in. 5133698748400478880d2a146ef9eaa111cd0e60522John McCall if (F.ConsiderVisibilityAttributes) { 5144421d2b341d041df44013769f23c306308bbab83Douglas Gregor if (llvm::Optional<Visibility> Vis = D->getExplicitVisibility()) { 5154421d2b341d041df44013769f23c306308bbab83Douglas Gregor LV.mergeVisibility(*Vis, true); 5163698748400478880d2a146ef9eaa111cd0e60522John McCall 5173698748400478880d2a146ef9eaa111cd0e60522John McCall // Ignore global visibility later, but not this attribute. 5183698748400478880d2a146ef9eaa111cd0e60522John McCall F.ConsiderGlobalVisibility = false; 5193698748400478880d2a146ef9eaa111cd0e60522John McCall 5203698748400478880d2a146ef9eaa111cd0e60522John McCall // Ignore both global visibility and attributes when computing our 5213698748400478880d2a146ef9eaa111cd0e60522John McCall // parent's visibility. 5223698748400478880d2a146ef9eaa111cd0e60522John McCall ClassF = F.onlyTemplateVisibility(); 5233698748400478880d2a146ef9eaa111cd0e60522John McCall } 5243698748400478880d2a146ef9eaa111cd0e60522John McCall } 525af14603ca61757cf4361b583b45639a04c57e651John McCall 526af14603ca61757cf4361b583b45639a04c57e651John McCall // Class members only have linkage if their class has external 5273698748400478880d2a146ef9eaa111cd0e60522John McCall // linkage. 5283698748400478880d2a146ef9eaa111cd0e60522John McCall LV.merge(getLVForDecl(cast<RecordDecl>(D->getDeclContext()), ClassF)); 5293698748400478880d2a146ef9eaa111cd0e60522John McCall if (!isExternalLinkage(LV.linkage())) 530af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::none(); 5313cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall 5323cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall // If the class already has unique-external linkage, we can't improve. 5333698748400478880d2a146ef9eaa111cd0e60522John McCall if (LV.linkage() == UniqueExternalLinkage) 534af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::uniqueExternal(); 5351fb0caaa7bef765b85972274e3b434af2572c141John McCall 5363cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(D)) { 537af8ca37a7fa45bff84831706c6d85f9e5b4e1d15John McCall // If the type of the function uses a type with unique-external 538af8ca37a7fa45bff84831706c6d85f9e5b4e1d15John McCall // linkage, it's not legally usable from outside this translation unit. 539af8ca37a7fa45bff84831706c6d85f9e5b4e1d15John McCall if (MD->getType()->getLinkage() == UniqueExternalLinkage) 540af8ca37a7fa45bff84831706c6d85f9e5b4e1d15John McCall return LinkageInfo::uniqueExternal(); 541af8ca37a7fa45bff84831706c6d85f9e5b4e1d15John McCall 542110e8e56af30363072c140285961592b0107f789John McCall TemplateSpecializationKind TSK = TSK_Undeclared; 543110e8e56af30363072c140285961592b0107f789John McCall 5441fb0caaa7bef765b85972274e3b434af2572c141John McCall // If this is a method template specialization, use the linkage for 5451fb0caaa7bef765b85972274e3b434af2572c141John McCall // the template parameters and arguments. 5466ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall if (FunctionTemplateSpecializationInfo *spec 5473cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall = MD->getTemplateSpecializationInfo()) { 5486ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall if (shouldConsiderTemplateLV(MD, spec)) { 5496ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall LV.merge(getLVForTemplateArgumentList(*spec->TemplateArguments, F)); 5506ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall if (F.ConsiderTemplateParameterTypes) 5516ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall LV.merge(getLVForTemplateParameterList( 5526ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall spec->getTemplate()->getTemplateParameters())); 5536ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall } 554110e8e56af30363072c140285961592b0107f789John McCall 5556ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall TSK = spec->getTemplateSpecializationKind(); 556110e8e56af30363072c140285961592b0107f789John McCall } else if (MemberSpecializationInfo *MSI = 557110e8e56af30363072c140285961592b0107f789John McCall MD->getMemberSpecializationInfo()) { 558110e8e56af30363072c140285961592b0107f789John McCall TSK = MSI->getTemplateSpecializationKind(); 5593cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall } 5603cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall 561110e8e56af30363072c140285961592b0107f789John McCall // If we're paying attention to global visibility, apply 562110e8e56af30363072c140285961592b0107f789John McCall // -finline-visibility-hidden if this is an inline method. 563110e8e56af30363072c140285961592b0107f789John McCall // 564af14603ca61757cf4361b583b45639a04c57e651John McCall // Note that ConsiderGlobalVisibility doesn't yet have information 565af14603ca61757cf4361b583b45639a04c57e651John McCall // about whether containing classes have visibility attributes, 566af14603ca61757cf4361b583b45639a04c57e651John McCall // and that's intentional. 567af14603ca61757cf4361b583b45639a04c57e651John McCall if (TSK != TSK_ExplicitInstantiationDeclaration && 5683698748400478880d2a146ef9eaa111cd0e60522John McCall F.ConsiderGlobalVisibility && 56966cbcf3f150d075fead7c5935b6e9c61a32cf3d4John McCall MD->getASTContext().getLangOptions().InlineVisibilityHidden) { 57066cbcf3f150d075fead7c5935b6e9c61a32cf3d4John McCall // InlineVisibilityHidden only applies to definitions, and 57166cbcf3f150d075fead7c5935b6e9c61a32cf3d4John McCall // isInlined() only gives meaningful answers on definitions 57266cbcf3f150d075fead7c5935b6e9c61a32cf3d4John McCall // anyway. 57366cbcf3f150d075fead7c5935b6e9c61a32cf3d4John McCall const FunctionDecl *Def = 0; 57466cbcf3f150d075fead7c5935b6e9c61a32cf3d4John McCall if (MD->hasBody(Def) && Def->isInlined()) 57566cbcf3f150d075fead7c5935b6e9c61a32cf3d4John McCall LV.setVisibility(HiddenVisibility); 57666cbcf3f150d075fead7c5935b6e9c61a32cf3d4John McCall } 5771fb0caaa7bef765b85972274e3b434af2572c141John McCall 578110e8e56af30363072c140285961592b0107f789John McCall // Note that in contrast to basically every other situation, we 579110e8e56af30363072c140285961592b0107f789John McCall // *do* apply -fvisibility to method declarations. 580110e8e56af30363072c140285961592b0107f789John McCall 581110e8e56af30363072c140285961592b0107f789John McCall } else if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(D)) { 5826ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall if (const ClassTemplateSpecializationDecl *spec 583110e8e56af30363072c140285961592b0107f789John McCall = dyn_cast<ClassTemplateSpecializationDecl>(RD)) { 5846ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall if (shouldConsiderTemplateLV(spec)) { 5856ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall // Merge template argument/parameter information for member 5866ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall // class template specializations. 5876ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall LV.merge(getLVForTemplateArgumentList(spec->getTemplateArgs(), F)); 5881a0918ade0a3490c7aff243f9cd519156dfcb0bdJohn McCall if (F.ConsiderTemplateParameterTypes) 5891a0918ade0a3490c7aff243f9cd519156dfcb0bdJohn McCall LV.merge(getLVForTemplateParameterList( 5906ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall spec->getSpecializedTemplate()->getTemplateParameters())); 5916ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall } 592110e8e56af30363072c140285961592b0107f789John McCall } 593110e8e56af30363072c140285961592b0107f789John McCall 594110e8e56af30363072c140285961592b0107f789John McCall // Static data members. 595110e8e56af30363072c140285961592b0107f789John McCall } else if (const VarDecl *VD = dyn_cast<VarDecl>(D)) { 596ee30102a9ef32cdbf0afe0e4c07a53d265a18f98John McCall // Modify the variable's linkage by its type, but ignore the 597ee30102a9ef32cdbf0afe0e4c07a53d265a18f98John McCall // type's visibility unless it's a definition. 598ee30102a9ef32cdbf0afe0e4c07a53d265a18f98John McCall LVPair TypeLV = VD->getType()->getLinkageAndVisibility(); 599ee30102a9ef32cdbf0afe0e4c07a53d265a18f98John McCall if (TypeLV.first != ExternalLinkage) 600af14603ca61757cf4361b583b45639a04c57e651John McCall LV.mergeLinkage(UniqueExternalLinkage); 601af14603ca61757cf4361b583b45639a04c57e651John McCall if (!LV.visibilityExplicit()) 602af14603ca61757cf4361b583b45639a04c57e651John McCall LV.mergeVisibility(TypeLV.second); 603110e8e56af30363072c140285961592b0107f789John McCall } 604110e8e56af30363072c140285961592b0107f789John McCall 6053698748400478880d2a146ef9eaa111cd0e60522John McCall F.ConsiderGlobalVisibility &= !LV.visibilityExplicit(); 606110e8e56af30363072c140285961592b0107f789John McCall 607110e8e56af30363072c140285961592b0107f789John McCall // Apply -fvisibility if desired. 6083698748400478880d2a146ef9eaa111cd0e60522John McCall if (F.ConsiderGlobalVisibility && LV.visibility() != HiddenVisibility) { 609af14603ca61757cf4361b583b45639a04c57e651John McCall LV.mergeVisibility(D->getASTContext().getLangOptions().getVisibilityMode()); 6103cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall } 6113cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall 6121fb0caaa7bef765b85972274e3b434af2572c141John McCall return LV; 6133cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall} 6143cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall 615f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCallstatic void clearLinkageForClass(const CXXRecordDecl *record) { 616f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall for (CXXRecordDecl::decl_iterator 617f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall i = record->decls_begin(), e = record->decls_end(); i != e; ++i) { 618f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall Decl *child = *i; 619f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall if (isa<NamedDecl>(child)) 620f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall cast<NamedDecl>(child)->ClearLinkageCache(); 621f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall } 622f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall} 623f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall 624f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCallvoid NamedDecl::ClearLinkageCache() { 625f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall // Note that we can't skip clearing the linkage of children just 626f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall // because the parent doesn't have cached linkage: we don't cache 627f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall // when computing linkage for parent contexts. 628f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall 629f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall HasCachedLinkage = 0; 630f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall 631f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall // If we're changing the linkage of a class, we need to reset the 632f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall // linkage of child declarations, too. 633f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall if (const CXXRecordDecl *record = dyn_cast<CXXRecordDecl>(this)) 634f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall clearLinkageForClass(record); 635f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall 63615e310a3b970b64a84cb30f0005bc396b4d978cbJohn McCall if (ClassTemplateDecl *temp = 63715e310a3b970b64a84cb30f0005bc396b4d978cbJohn McCall dyn_cast<ClassTemplateDecl>(const_cast<NamedDecl*>(this))) { 638f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall // Clear linkage for the template pattern. 639f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall CXXRecordDecl *record = temp->getTemplatedDecl(); 640f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall record->HasCachedLinkage = 0; 641f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall clearLinkageForClass(record); 642f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall 64315e310a3b970b64a84cb30f0005bc396b4d978cbJohn McCall // We need to clear linkage for specializations, too. 64415e310a3b970b64a84cb30f0005bc396b4d978cbJohn McCall for (ClassTemplateDecl::spec_iterator 64515e310a3b970b64a84cb30f0005bc396b4d978cbJohn McCall i = temp->spec_begin(), e = temp->spec_end(); i != e; ++i) 64615e310a3b970b64a84cb30f0005bc396b4d978cbJohn McCall i->ClearLinkageCache(); 647f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall } 64815e310a3b970b64a84cb30f0005bc396b4d978cbJohn McCall 64915e310a3b970b64a84cb30f0005bc396b4d978cbJohn McCall // Clear cached linkage for function template decls, too. 65015e310a3b970b64a84cb30f0005bc396b4d978cbJohn McCall if (FunctionTemplateDecl *temp = 65178951941f31d3c63c4178a1275e1a2db2e20da11John McCall dyn_cast<FunctionTemplateDecl>(const_cast<NamedDecl*>(this))) { 65278951941f31d3c63c4178a1275e1a2db2e20da11John McCall temp->getTemplatedDecl()->ClearLinkageCache(); 65315e310a3b970b64a84cb30f0005bc396b4d978cbJohn McCall for (FunctionTemplateDecl::spec_iterator 65415e310a3b970b64a84cb30f0005bc396b4d978cbJohn McCall i = temp->spec_begin(), e = temp->spec_end(); i != e; ++i) 65515e310a3b970b64a84cb30f0005bc396b4d978cbJohn McCall i->ClearLinkageCache(); 65678951941f31d3c63c4178a1275e1a2db2e20da11John McCall } 65715e310a3b970b64a84cb30f0005bc396b4d978cbJohn McCall 658f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall} 659f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall 660381d34e0b205ca27bcc7e7c1652561941c437965Douglas GregorLinkage NamedDecl::getLinkage() const { 661381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor if (HasCachedLinkage) { 66256ed7927232256516efcf6afb7bd59bad1e7af71Benjamin Kramer assert(Linkage(CachedLinkage) == 66356ed7927232256516efcf6afb7bd59bad1e7af71Benjamin Kramer getLVForDecl(this, LVFlags::CreateOnlyDeclLinkage()).linkage()); 664381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor return Linkage(CachedLinkage); 665381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor } 666381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor 667381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor CachedLinkage = getLVForDecl(this, 668381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor LVFlags::CreateOnlyDeclLinkage()).linkage(); 669381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor HasCachedLinkage = 1; 670381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor return Linkage(CachedLinkage); 671381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor} 672381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor 673af14603ca61757cf4361b583b45639a04c57e651John McCallLinkageInfo NamedDecl::getLinkageAndVisibility() const { 674381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor LinkageInfo LI = getLVForDecl(this, LVFlags()); 67556ed7927232256516efcf6afb7bd59bad1e7af71Benjamin Kramer assert(!HasCachedLinkage || Linkage(CachedLinkage) == LI.linkage()); 676381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor HasCachedLinkage = 1; 677381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor CachedLinkage = LI.linkage(); 678381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor return LI; 6790df9587ab011c12968fcbe3518666b2117afe350John McCall} 680becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek 6814421d2b341d041df44013769f23c306308bbab83Douglas Gregorllvm::Optional<Visibility> NamedDecl::getExplicitVisibility() const { 6824421d2b341d041df44013769f23c306308bbab83Douglas Gregor // Use the most recent declaration of a variable. 6834421d2b341d041df44013769f23c306308bbab83Douglas Gregor if (const VarDecl *var = dyn_cast<VarDecl>(this)) 6844421d2b341d041df44013769f23c306308bbab83Douglas Gregor return getVisibilityOf(var->getMostRecentDeclaration()); 6854421d2b341d041df44013769f23c306308bbab83Douglas Gregor 6864421d2b341d041df44013769f23c306308bbab83Douglas Gregor // Use the most recent declaration of a function, and also handle 6874421d2b341d041df44013769f23c306308bbab83Douglas Gregor // function template specializations. 6884421d2b341d041df44013769f23c306308bbab83Douglas Gregor if (const FunctionDecl *fn = dyn_cast<FunctionDecl>(this)) { 6894421d2b341d041df44013769f23c306308bbab83Douglas Gregor if (llvm::Optional<Visibility> V 6904421d2b341d041df44013769f23c306308bbab83Douglas Gregor = getVisibilityOf(fn->getMostRecentDeclaration())) 6914421d2b341d041df44013769f23c306308bbab83Douglas Gregor return V; 6924421d2b341d041df44013769f23c306308bbab83Douglas Gregor 6934421d2b341d041df44013769f23c306308bbab83Douglas Gregor // If the function is a specialization of a template with an 6944421d2b341d041df44013769f23c306308bbab83Douglas Gregor // explicit visibility attribute, use that. 6954421d2b341d041df44013769f23c306308bbab83Douglas Gregor if (FunctionTemplateSpecializationInfo *templateInfo 6964421d2b341d041df44013769f23c306308bbab83Douglas Gregor = fn->getTemplateSpecializationInfo()) 6974421d2b341d041df44013769f23c306308bbab83Douglas Gregor return getVisibilityOf(templateInfo->getTemplate()->getTemplatedDecl()); 6984421d2b341d041df44013769f23c306308bbab83Douglas Gregor 6994421d2b341d041df44013769f23c306308bbab83Douglas Gregor return llvm::Optional<Visibility>(); 7004421d2b341d041df44013769f23c306308bbab83Douglas Gregor } 7014421d2b341d041df44013769f23c306308bbab83Douglas Gregor 7024421d2b341d041df44013769f23c306308bbab83Douglas Gregor // Otherwise, just check the declaration itself first. 7034421d2b341d041df44013769f23c306308bbab83Douglas Gregor if (llvm::Optional<Visibility> V = getVisibilityOf(this)) 7044421d2b341d041df44013769f23c306308bbab83Douglas Gregor return V; 7054421d2b341d041df44013769f23c306308bbab83Douglas Gregor 7064421d2b341d041df44013769f23c306308bbab83Douglas Gregor // If there wasn't explicit visibility there, and this is a 7074421d2b341d041df44013769f23c306308bbab83Douglas Gregor // specialization of a class template, check for visibility 7084421d2b341d041df44013769f23c306308bbab83Douglas Gregor // on the pattern. 7094421d2b341d041df44013769f23c306308bbab83Douglas Gregor if (const ClassTemplateSpecializationDecl *spec 7104421d2b341d041df44013769f23c306308bbab83Douglas Gregor = dyn_cast<ClassTemplateSpecializationDecl>(this)) 7114421d2b341d041df44013769f23c306308bbab83Douglas Gregor return getVisibilityOf(spec->getSpecializedTemplate()->getTemplatedDecl()); 7124421d2b341d041df44013769f23c306308bbab83Douglas Gregor 7134421d2b341d041df44013769f23c306308bbab83Douglas Gregor return llvm::Optional<Visibility>(); 7144421d2b341d041df44013769f23c306308bbab83Douglas Gregor} 7154421d2b341d041df44013769f23c306308bbab83Douglas Gregor 7163698748400478880d2a146ef9eaa111cd0e60522John McCallstatic LinkageInfo getLVForDecl(const NamedDecl *D, LVFlags Flags) { 717becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek // Objective-C: treat all Objective-C declarations as having external 718becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek // linkage. 7190df9587ab011c12968fcbe3518666b2117afe350John McCall switch (D->getKind()) { 720becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek default: 721becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek break; 7221fb0caaa7bef765b85972274e3b434af2572c141John McCall case Decl::TemplateTemplateParm: // count these as external 7231fb0caaa7bef765b85972274e3b434af2572c141John McCall case Decl::NonTypeTemplateParm: 724becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCAtDefsField: 725becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCCategory: 726becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCCategoryImpl: 727becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCCompatibleAlias: 728becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCForwardProtocol: 729becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCImplementation: 730becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCMethod: 731becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCProperty: 732becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCPropertyImpl: 733becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCProtocol: 734af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::external(); 735becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek } 736becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek 737d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // Handle linkage for namespace-scope names. 7380df9587ab011c12968fcbe3518666b2117afe350John McCall if (D->getDeclContext()->getRedeclContext()->isFileContext()) 7393698748400478880d2a146ef9eaa111cd0e60522John McCall return getLVForNamespaceScopeDecl(D, Flags); 740d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 741d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C++ [basic.link]p5: 742d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // In addition, a member function, static data member, a named 743d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // class or enumeration of class scope, or an unnamed class or 744d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // enumeration defined in a class-scope typedef declaration such 745d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // that the class or enumeration has the typedef name for linkage 746d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // purposes (7.1.3), has external linkage if the name of the class 747d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // has external linkage. 7480df9587ab011c12968fcbe3518666b2117afe350John McCall if (D->getDeclContext()->isRecord()) 7493698748400478880d2a146ef9eaa111cd0e60522John McCall return getLVForClassMember(D, Flags); 750d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 751d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C++ [basic.link]p6: 752d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // The name of a function declared in block scope and the name of 753d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // an object declared by a block scope extern declaration have 754d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // linkage. If there is a visible declaration of an entity with 755d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // linkage having the same name and type, ignoring entities 756d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // declared outside the innermost enclosing namespace scope, the 757d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // block scope declaration declares that same entity and receives 758d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // the linkage of the previous declaration. If there is more than 759d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // one such matching entity, the program is ill-formed. Otherwise, 760d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // if no matching entity is found, the block scope entity receives 761d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // external linkage. 7620df9587ab011c12968fcbe3518666b2117afe350John McCall if (D->getLexicalDeclContext()->isFunctionOrMethod()) { 7630df9587ab011c12968fcbe3518666b2117afe350John McCall if (const FunctionDecl *Function = dyn_cast<FunctionDecl>(D)) { 76410aad449dfbb5b43611d45b99c88dfc26db7fac9Chandler Carruth if (Function->isInAnonymousNamespace() && !Function->isExternC()) 765af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::uniqueExternal(); 7661fb0caaa7bef765b85972274e3b434af2572c141John McCall 767af14603ca61757cf4361b583b45639a04c57e651John McCall LinkageInfo LV; 768381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor if (Flags.ConsiderVisibilityAttributes) { 7694421d2b341d041df44013769f23c306308bbab83Douglas Gregor if (llvm::Optional<Visibility> Vis = Function->getExplicitVisibility()) 7704421d2b341d041df44013769f23c306308bbab83Douglas Gregor LV.setVisibility(*Vis); 771381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor } 772381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor 7731fb0caaa7bef765b85972274e3b434af2572c141John McCall if (const FunctionDecl *Prev = Function->getPreviousDeclaration()) { 774381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor LinkageInfo PrevLV = getLVForDecl(Prev, Flags); 775af14603ca61757cf4361b583b45639a04c57e651John McCall if (PrevLV.linkage()) LV.setLinkage(PrevLV.linkage()); 776af14603ca61757cf4361b583b45639a04c57e651John McCall LV.mergeVisibility(PrevLV); 7771fb0caaa7bef765b85972274e3b434af2572c141John McCall } 7780b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 7791fb0caaa7bef765b85972274e3b434af2572c141John McCall return LV; 780d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 781d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 7820df9587ab011c12968fcbe3518666b2117afe350John McCall if (const VarDecl *Var = dyn_cast<VarDecl>(D)) 783d931b086984257de68868a64a235c2b4b34003fbJohn McCall if (Var->getStorageClass() == SC_Extern || 784d931b086984257de68868a64a235c2b4b34003fbJohn McCall Var->getStorageClass() == SC_PrivateExtern) { 78510aad449dfbb5b43611d45b99c88dfc26db7fac9Chandler Carruth if (Var->isInAnonymousNamespace() && !Var->isExternC()) 786af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::uniqueExternal(); 7871fb0caaa7bef765b85972274e3b434af2572c141John McCall 788af14603ca61757cf4361b583b45639a04c57e651John McCall LinkageInfo LV; 7891fb0caaa7bef765b85972274e3b434af2572c141John McCall if (Var->getStorageClass() == SC_PrivateExtern) 790af14603ca61757cf4361b583b45639a04c57e651John McCall LV.setVisibility(HiddenVisibility); 791381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor else if (Flags.ConsiderVisibilityAttributes) { 7924421d2b341d041df44013769f23c306308bbab83Douglas Gregor if (llvm::Optional<Visibility> Vis = Var->getExplicitVisibility()) 7934421d2b341d041df44013769f23c306308bbab83Douglas Gregor LV.setVisibility(*Vis); 794381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor } 795381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor 7961fb0caaa7bef765b85972274e3b434af2572c141John McCall if (const VarDecl *Prev = Var->getPreviousDeclaration()) { 797381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor LinkageInfo PrevLV = getLVForDecl(Prev, Flags); 798af14603ca61757cf4361b583b45639a04c57e651John McCall if (PrevLV.linkage()) LV.setLinkage(PrevLV.linkage()); 799af14603ca61757cf4361b583b45639a04c57e651John McCall LV.mergeVisibility(PrevLV); 8001fb0caaa7bef765b85972274e3b434af2572c141John McCall } 8011fb0caaa7bef765b85972274e3b434af2572c141John McCall 8021fb0caaa7bef765b85972274e3b434af2572c141John McCall return LV; 803d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 804d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 805d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 806d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C++ [basic.link]p6: 807d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // Names not covered by these rules have no linkage. 808af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::none(); 8091fb0caaa7bef765b85972274e3b434af2572c141John McCall} 810d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 81147b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregorstd::string NamedDecl::getQualifiedNameAsString() const { 8123a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson return getQualifiedNameAsString(getASTContext().getLangOptions()); 8133a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson} 8143a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson 8153a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlssonstd::string NamedDecl::getQualifiedNameAsString(const PrintingPolicy &P) const { 81647b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor const DeclContext *Ctx = getDeclContext(); 81747b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 81847b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor if (Ctx->isFunctionOrMethod()) 81947b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor return getNameAsString(); 82047b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 8215f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner typedef SmallVector<const DeclContext *, 8> ContextsTy; 82268eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer ContextsTy Contexts; 82368eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer 82468eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer // Collect contexts. 82568eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer while (Ctx && isa<NamedDecl>(Ctx)) { 82668eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer Contexts.push_back(Ctx); 82768eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer Ctx = Ctx->getParent(); 82868eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer }; 82968eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer 83068eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer std::string QualName; 83168eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer llvm::raw_string_ostream OS(QualName); 83268eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer 83368eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer for (ContextsTy::reverse_iterator I = Contexts.rbegin(), E = Contexts.rend(); 83468eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer I != E; ++I) { 8351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ClassTemplateSpecializationDecl *Spec 83668eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer = dyn_cast<ClassTemplateSpecializationDecl>(*I)) { 837f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregor const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); 838f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregor std::string TemplateArgsStr 839f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregor = TemplateSpecializationType::PrintTemplateArgumentList( 840910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgs.data(), 841910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgs.size(), 8423a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson P); 84368eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << Spec->getName() << TemplateArgsStr; 84468eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer } else if (const NamespaceDecl *ND = dyn_cast<NamespaceDecl>(*I)) { 8456be112049b24ffaa8508646aa695834b4b5ca2b2Sam Weinig if (ND->isAnonymousNamespace()) 84668eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << "<anonymous namespace>"; 8476be112049b24ffaa8508646aa695834b4b5ca2b2Sam Weinig else 84868eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << ND; 84968eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer } else if (const RecordDecl *RD = dyn_cast<RecordDecl>(*I)) { 85068eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer if (!RD->getIdentifier()) 85168eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << "<anonymous " << RD->getKindName() << '>'; 85268eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer else 85368eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << RD; 85468eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer } else if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(*I)) { 8553521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig const FunctionProtoType *FT = 0; 8563521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig if (FD->hasWrittenPrototype()) 8573521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig FT = dyn_cast<FunctionProtoType>(FD->getType()->getAs<FunctionType>()); 8583521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig 85968eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << FD << '('; 8603521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig if (FT) { 8613521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig unsigned NumParams = FD->getNumParams(); 8623521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig for (unsigned i = 0; i < NumParams; ++i) { 8633521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig if (i) 86468eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << ", "; 8653521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig std::string Param; 8663521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig FD->getParamDecl(i)->getType().getAsStringInternal(Param, P); 86768eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << Param; 8683521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig } 8693521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig 8703521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig if (FT->isVariadic()) { 8713521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig if (NumParams > 0) 87268eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << ", "; 87368eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << "..."; 8743521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig } 8753521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig } 87668eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << ')'; 87768eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer } else { 87868eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << cast<NamedDecl>(*I); 87968eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer } 88068eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << "::"; 88147b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor } 88247b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 8838472af4df9292e02fb25c952d25a81f3ca296252John McCall if (getDeclName()) 88468eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << this; 8858472af4df9292e02fb25c952d25a81f3ca296252John McCall else 88668eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << "<anonymous>"; 88747b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 88868eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer return OS.str(); 88947b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor} 89047b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 8914afa39deaa245592977136d367251ee2c173dd8dDouglas Gregorbool NamedDecl::declarationReplaces(NamedDecl *OldD) const { 8926ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor assert(getDeclName() == OldD->getDeclName() && "Declaration name mismatch"); 8936ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor 8942a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor // UsingDirectiveDecl's are not really NamedDecl's, and all have same name. 8952a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor // We want to keep it, unless it nominates same namespace. 8962a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor if (getKind() == Decl::UsingDirective) { 897db9924191092b4d426cc066637d81698211846aaDouglas Gregor return cast<UsingDirectiveDecl>(this)->getNominatedNamespace() 898db9924191092b4d426cc066637d81698211846aaDouglas Gregor ->getOriginalNamespace() == 899db9924191092b4d426cc066637d81698211846aaDouglas Gregor cast<UsingDirectiveDecl>(OldD)->getNominatedNamespace() 900db9924191092b4d426cc066637d81698211846aaDouglas Gregor ->getOriginalNamespace(); 9012a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor } 9021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9036ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(this)) 9046ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor // For function declarations, we keep track of redeclarations. 9056ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor return FD->getPreviousDeclaration() == OldD; 9066ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor 907e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor // For function templates, the underlying function declarations are linked. 908e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor if (const FunctionTemplateDecl *FunctionTemplate 909e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor = dyn_cast<FunctionTemplateDecl>(this)) 910e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor if (const FunctionTemplateDecl *OldFunctionTemplate 911e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor = dyn_cast<FunctionTemplateDecl>(OldD)) 912e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor return FunctionTemplate->getTemplatedDecl() 913e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor ->declarationReplaces(OldFunctionTemplate->getTemplatedDecl()); 9141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9150de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff // For method declarations, we keep track of redeclarations. 9160de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff if (isa<ObjCMethodDecl>(this)) 9170de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff return false; 9181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 919f36e02d4aff98bf2e52e342e0038d4172fbb5e64John McCall if (isa<ObjCInterfaceDecl>(this) && isa<ObjCCompatibleAliasDecl>(OldD)) 920f36e02d4aff98bf2e52e342e0038d4172fbb5e64John McCall return true; 921f36e02d4aff98bf2e52e342e0038d4172fbb5e64John McCall 9229488ea120e093068021f944176c3d610dd540914John McCall if (isa<UsingShadowDecl>(this) && isa<UsingShadowDecl>(OldD)) 9239488ea120e093068021f944176c3d610dd540914John McCall return cast<UsingShadowDecl>(this)->getTargetDecl() == 9249488ea120e093068021f944176c3d610dd540914John McCall cast<UsingShadowDecl>(OldD)->getTargetDecl(); 9259488ea120e093068021f944176c3d610dd540914John McCall 926dc355713be51fcb4ee52d9fd6b4548ceff47fadfDouglas Gregor if (isa<UsingDecl>(this) && isa<UsingDecl>(OldD)) { 927dc355713be51fcb4ee52d9fd6b4548ceff47fadfDouglas Gregor ASTContext &Context = getASTContext(); 928dc355713be51fcb4ee52d9fd6b4548ceff47fadfDouglas Gregor return Context.getCanonicalNestedNameSpecifier( 929dc355713be51fcb4ee52d9fd6b4548ceff47fadfDouglas Gregor cast<UsingDecl>(this)->getQualifier()) == 930dc355713be51fcb4ee52d9fd6b4548ceff47fadfDouglas Gregor Context.getCanonicalNestedNameSpecifier( 931dc355713be51fcb4ee52d9fd6b4548ceff47fadfDouglas Gregor cast<UsingDecl>(OldD)->getQualifier()); 932dc355713be51fcb4ee52d9fd6b4548ceff47fadfDouglas Gregor } 933c80117e7971c34088f3e254c849ec3a40205d2c3Argyrios Kyrtzidis 9346ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor // For non-function declarations, if the declarations are of the 9356ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor // same kind then this must be a redeclaration, or semantic analysis 9366ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor // would not have given us the new declaration. 9376ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor return this->getKind() == OldD->getKind(); 9386ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor} 9396ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor 940d6f7e9dccd0fa8a5a15d7478324c0ae229fc5e1eDouglas Gregorbool NamedDecl::hasLinkage() const { 941d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor return getLinkage() != NoLinkage; 942d6f7e9dccd0fa8a5a15d7478324c0ae229fc5e1eDouglas Gregor} 9434afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor 944e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders CarlssonNamedDecl *NamedDecl::getUnderlyingDecl() { 945e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson NamedDecl *ND = this; 946e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson while (true) { 9479488ea120e093068021f944176c3d610dd540914John McCall if (UsingShadowDecl *UD = dyn_cast<UsingShadowDecl>(ND)) 948e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson ND = UD->getTargetDecl(); 949e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson else if (ObjCCompatibleAliasDecl *AD 950e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson = dyn_cast<ObjCCompatibleAliasDecl>(ND)) 951e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson return AD->getClassInterface(); 952e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson else 953e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson return ND; 954e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson } 955e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson} 956e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson 957161755a09898c95d21bfff33707da9ca41cd53c5John McCallbool NamedDecl::isCXXInstanceMember() const { 958161755a09898c95d21bfff33707da9ca41cd53c5John McCall assert(isCXXClassMember() && 959161755a09898c95d21bfff33707da9ca41cd53c5John McCall "checking whether non-member is instance member"); 960161755a09898c95d21bfff33707da9ca41cd53c5John McCall 961161755a09898c95d21bfff33707da9ca41cd53c5John McCall const NamedDecl *D = this; 962161755a09898c95d21bfff33707da9ca41cd53c5John McCall if (isa<UsingShadowDecl>(D)) 963161755a09898c95d21bfff33707da9ca41cd53c5John McCall D = cast<UsingShadowDecl>(D)->getTargetDecl(); 964161755a09898c95d21bfff33707da9ca41cd53c5John McCall 96587c2e121cf0522fc266efe2922b58091cd2e0182Francois Pichet if (isa<FieldDecl>(D) || isa<IndirectFieldDecl>(D)) 966161755a09898c95d21bfff33707da9ca41cd53c5John McCall return true; 967161755a09898c95d21bfff33707da9ca41cd53c5John McCall if (isa<CXXMethodDecl>(D)) 968161755a09898c95d21bfff33707da9ca41cd53c5John McCall return cast<CXXMethodDecl>(D)->isInstance(); 969161755a09898c95d21bfff33707da9ca41cd53c5John McCall if (isa<FunctionTemplateDecl>(D)) 970161755a09898c95d21bfff33707da9ca41cd53c5John McCall return cast<CXXMethodDecl>(cast<FunctionTemplateDecl>(D) 971161755a09898c95d21bfff33707da9ca41cd53c5John McCall ->getTemplatedDecl())->isInstance(); 972161755a09898c95d21bfff33707da9ca41cd53c5John McCall return false; 973161755a09898c95d21bfff33707da9ca41cd53c5John McCall} 974161755a09898c95d21bfff33707da9ca41cd53c5John McCall 9755239304ff761b8b03eefb772bd5d830a9b9f1aeaArgyrios Kyrtzidis//===----------------------------------------------------------------------===// 976a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis// DeclaratorDecl Implementation 977a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis//===----------------------------------------------------------------------===// 978a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis 9791693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregortemplate <typename DeclT> 9801693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregorstatic SourceLocation getTemplateOrInnerLocStart(const DeclT *decl) { 9811693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor if (decl->getNumTemplateParameterLists() > 0) 9821693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor return decl->getTemplateParameterList(0)->getTemplateLoc(); 9831693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor else 9841693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor return decl->getInnerLocStart(); 9851693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor} 9861693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor 987a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios KyrtzidisSourceLocation DeclaratorDecl::getTypeSpecStartLoc() const { 9884e449836c0deee9cfd92d32cb7d843759fa6452bJohn McCall TypeSourceInfo *TSI = getTypeSourceInfo(); 9894e449836c0deee9cfd92d32cb7d843759fa6452bJohn McCall if (TSI) return TSI->getTypeLoc().getBeginLoc(); 990a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis return SourceLocation(); 991a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis} 992a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis 993c22b5fff39a7520207f165fb16a27a34b944bd9cDouglas Gregorvoid DeclaratorDecl::setQualifierInfo(NestedNameSpecifierLoc QualifierLoc) { 994c22b5fff39a7520207f165fb16a27a34b944bd9cDouglas Gregor if (QualifierLoc) { 995b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Make sure the extended decl info is allocated. 996b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (!hasExtInfo()) { 997b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Save (non-extended) type source info pointer. 998b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall TypeSourceInfo *savedTInfo = DeclInfo.get<TypeSourceInfo*>(); 999b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Allocate external info struct. 1000b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall DeclInfo = new (getASTContext()) ExtInfo; 1001b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Restore savedTInfo into (extended) decl info. 1002b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall getExtInfo()->TInfo = savedTInfo; 1003b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall } 1004b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Set qualifier info. 1005c22b5fff39a7520207f165fb16a27a34b944bd9cDouglas Gregor getExtInfo()->QualifierLoc = QualifierLoc; 10063060178ad9df29789505c1e6debcfc80a3a13587Chad Rosier } else { 1007b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Here Qualifier == 0, i.e., we are removing the qualifier (if any). 1008b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (hasExtInfo()) { 10097f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara if (getExtInfo()->NumTemplParamLists == 0) { 10107f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara // Save type source info pointer. 10117f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara TypeSourceInfo *savedTInfo = getExtInfo()->TInfo; 10127f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara // Deallocate the extended decl info. 10137f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara getASTContext().Deallocate(getExtInfo()); 10147f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara // Restore savedTInfo into (non-extended) decl info. 10157f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara DeclInfo = savedTInfo; 10167f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara } 10177f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara else 10187f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara getExtInfo()->QualifierLoc = QualifierLoc; 1019b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall } 1020b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall } 1021b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall} 1022b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 10237f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnaravoid 10247f0a915eb546d353071be08c8adec155e5d9a0dcAbramo BagnaraDeclaratorDecl::setTemplateParameterListsInfo(ASTContext &Context, 10257f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara unsigned NumTPLists, 10267f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara TemplateParameterList **TPLists) { 10277f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara assert(NumTPLists > 0); 10287f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara // Make sure the extended decl info is allocated. 10297f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara if (!hasExtInfo()) { 10307f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara // Save (non-extended) type source info pointer. 10317f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara TypeSourceInfo *savedTInfo = DeclInfo.get<TypeSourceInfo*>(); 10327f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara // Allocate external info struct. 10337f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara DeclInfo = new (getASTContext()) ExtInfo; 10347f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara // Restore savedTInfo into (extended) decl info. 10357f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara getExtInfo()->TInfo = savedTInfo; 10367f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara } 10377f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara // Set the template parameter lists info. 10387f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara getExtInfo()->setTemplateParameterListsInfo(Context, NumTPLists, TPLists); 10397f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara} 10407f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara 10411693e154bef16ca060b5e3786d8528ddc11f5637Douglas GregorSourceLocation DeclaratorDecl::getOuterLocStart() const { 10421693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor return getTemplateOrInnerLocStart(this); 10431693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor} 10441693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor 1045a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnaranamespace { 1046a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara 1047a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara// Helper function: returns true if QT is or contains a type 1048a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara// having a postfix component. 1049a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnarabool typeIsPostfix(clang::QualType QT) { 1050a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara while (true) { 1051a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara const Type* T = QT.getTypePtr(); 1052a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara switch (T->getTypeClass()) { 1053a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara default: 1054a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara return false; 1055a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara case Type::Pointer: 1056a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara QT = cast<PointerType>(T)->getPointeeType(); 1057a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara break; 1058a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara case Type::BlockPointer: 1059a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara QT = cast<BlockPointerType>(T)->getPointeeType(); 1060a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara break; 1061a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara case Type::MemberPointer: 1062a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara QT = cast<MemberPointerType>(T)->getPointeeType(); 1063a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara break; 1064a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara case Type::LValueReference: 1065a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara case Type::RValueReference: 1066a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara QT = cast<ReferenceType>(T)->getPointeeType(); 1067a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara break; 1068a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara case Type::PackExpansion: 1069a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara QT = cast<PackExpansionType>(T)->getPattern(); 1070a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara break; 1071a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara case Type::Paren: 1072a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara case Type::ConstantArray: 1073a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara case Type::DependentSizedArray: 1074a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara case Type::IncompleteArray: 1075a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara case Type::VariableArray: 1076a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara case Type::FunctionProto: 1077a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara case Type::FunctionNoProto: 1078a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara return true; 1079a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara } 1080a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara } 1081a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara} 1082a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara 1083a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara} // namespace 1084a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara 1085a2026c96d3935e7909e049ad9096762844544ed6Abramo BagnaraSourceRange DeclaratorDecl::getSourceRange() const { 1086a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara SourceLocation RangeEnd = getLocation(); 1087a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara if (TypeSourceInfo *TInfo = getTypeSourceInfo()) { 1088a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara if (typeIsPostfix(TInfo->getType())) 1089a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara RangeEnd = TInfo->getTypeLoc().getSourceRange().getEnd(); 1090a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara } 1091a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara return SourceRange(getOuterLocStart(), RangeEnd); 1092a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara} 1093a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara 10949b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnaravoid 1095c722ea4fbf886d6460b256b5e819a4ee751d5fffDouglas GregorQualifierInfo::setTemplateParameterListsInfo(ASTContext &Context, 1096c722ea4fbf886d6460b256b5e819a4ee751d5fffDouglas Gregor unsigned NumTPLists, 10979b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara TemplateParameterList **TPLists) { 10989b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara assert((NumTPLists == 0 || TPLists != 0) && 10999b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara "Empty array of template parameters with positive size!"); 11009b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara 11019b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara // Free previous template parameters (if any). 11029b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara if (NumTemplParamLists > 0) { 1103c722ea4fbf886d6460b256b5e819a4ee751d5fffDouglas Gregor Context.Deallocate(TemplParamLists); 11049b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara TemplParamLists = 0; 11059b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara NumTemplParamLists = 0; 11069b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara } 11079b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara // Set info on matched template parameter lists (if any). 11089b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara if (NumTPLists > 0) { 1109c722ea4fbf886d6460b256b5e819a4ee751d5fffDouglas Gregor TemplParamLists = new (Context) TemplateParameterList*[NumTPLists]; 11109b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara NumTemplParamLists = NumTPLists; 11119b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara for (unsigned i = NumTPLists; i-- > 0; ) 11129b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara TemplParamLists[i] = TPLists[i]; 11139b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara } 11149b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara} 11159b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara 1116a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis//===----------------------------------------------------------------------===// 111799f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes// VarDecl Implementation 111899f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes//===----------------------------------------------------------------------===// 111999f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes 11207783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlconst char *VarDecl::getStorageClassSpecifierString(StorageClass SC) { 11217783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl switch (SC) { 11228c25fc584ce27d59df9923f153e8a132dde58d04Peter Collingbourne case SC_None: break; 11238be0c74e4a779b13c2d8fd8482dcd438eeb089d3Peter Collingbourne case SC_Auto: return "auto"; 11248be0c74e4a779b13c2d8fd8482dcd438eeb089d3Peter Collingbourne case SC_Extern: return "extern"; 11258be0c74e4a779b13c2d8fd8482dcd438eeb089d3Peter Collingbourne case SC_OpenCLWorkGroupLocal: return "<<work-group-local>>"; 11268be0c74e4a779b13c2d8fd8482dcd438eeb089d3Peter Collingbourne case SC_PrivateExtern: return "__private_extern__"; 11278be0c74e4a779b13c2d8fd8482dcd438eeb089d3Peter Collingbourne case SC_Register: return "register"; 11288be0c74e4a779b13c2d8fd8482dcd438eeb089d3Peter Collingbourne case SC_Static: return "static"; 11297783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl } 11307783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 11318be0c74e4a779b13c2d8fd8482dcd438eeb089d3Peter Collingbourne llvm_unreachable("Invalid storage class"); 11327783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return 0; 11337783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 11347783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 1135ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo BagnaraVarDecl *VarDecl::Create(ASTContext &C, DeclContext *DC, 1136ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation StartL, SourceLocation IdL, 1137a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall IdentifierInfo *Id, QualType T, TypeSourceInfo *TInfo, 113816573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor StorageClass S, StorageClass SCAsWritten) { 1139ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara return new (C) VarDecl(Var, DC, StartL, IdL, Id, T, TInfo, S, SCAsWritten); 114099f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes} 114199f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes 1142381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregorvoid VarDecl::setStorageClass(StorageClass SC) { 1143381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor assert(isLegalForVariable(SC)); 1144381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor if (getStorageClass() != SC) 1145381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor ClearLinkageCache(); 1146381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor 1147f1e4fbf3112f33ec5b7bc5c57ec148445190d0a8John McCall VarDeclBits.SClass = SC; 1148381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor} 1149381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor 11501693e154bef16ca060b5e3786d8528ddc11f5637Douglas GregorSourceRange VarDecl::getSourceRange() const { 115155d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis if (getInit()) 11521693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor return SourceRange(getOuterLocStart(), getInit()->getLocEnd()); 1153a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara return DeclaratorDecl::getSourceRange(); 115455d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis} 115555d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis 11567783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlbool VarDecl::isExternC() const { 11577783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl ASTContext &Context = getASTContext(); 11587783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (!Context.getLangOptions().CPlusPlus) 11597783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return (getDeclContext()->isTranslationUnit() && 1160d931b086984257de68868a64a235c2b4b34003fbJohn McCall getStorageClass() != SC_Static) || 11617783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl (getDeclContext()->isFunctionOrMethod() && hasExternalStorage()); 11627783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 116310aad449dfbb5b43611d45b99c88dfc26db7fac9Chandler Carruth const DeclContext *DC = getDeclContext(); 116410aad449dfbb5b43611d45b99c88dfc26db7fac9Chandler Carruth if (DC->isFunctionOrMethod()) 116510aad449dfbb5b43611d45b99c88dfc26db7fac9Chandler Carruth return false; 116610aad449dfbb5b43611d45b99c88dfc26db7fac9Chandler Carruth 116710aad449dfbb5b43611d45b99c88dfc26db7fac9Chandler Carruth for (; !DC->isTranslationUnit(); DC = DC->getParent()) { 11687783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (const LinkageSpecDecl *Linkage = dyn_cast<LinkageSpecDecl>(DC)) { 11697783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (Linkage->getLanguage() == LinkageSpecDecl::lang_c) 1170d931b086984257de68868a64a235c2b4b34003fbJohn McCall return getStorageClass() != SC_Static; 11717783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 11727783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl break; 11737783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl } 11747783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 11757783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl } 11767783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 11777783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return false; 11787783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 11797783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 11807783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlVarDecl *VarDecl::getCanonicalDecl() { 11817783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return getFirstDeclaration(); 11827783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 11837783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 1184e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian RedlVarDecl::DefinitionKind VarDecl::isThisDeclarationADefinition() const { 1185e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // C++ [basic.def]p2: 1186e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // A declaration is a definition unless [...] it contains the 'extern' 1187e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // specifier or a linkage-specification and neither an initializer [...], 1188e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // it declares a static data member in a class declaration [...]. 1189e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // C++ [temp.expl.spec]p15: 1190e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // An explicit specialization of a static data member of a template is a 1191e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // definition if the declaration includes an initializer; otherwise, it is 1192e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // a declaration. 1193e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (isStaticDataMember()) { 1194e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (isOutOfLine() && (hasInit() || 1195e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl getTemplateSpecializationKind() != TSK_ExplicitSpecialization)) 1196e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return Definition; 1197e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl else 1198e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return DeclarationOnly; 1199e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl } 1200e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // C99 6.7p5: 1201e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // A definition of an identifier is a declaration for that identifier that 1202e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // [...] causes storage to be reserved for that object. 1203e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // Note: that applies for all non-file-scope objects. 1204e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // C99 6.9.2p1: 1205e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // If the declaration of an identifier for an object has file scope and an 1206e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // initializer, the declaration is an external definition for the identifier 1207e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (hasInit()) 1208e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return Definition; 1209e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // AST for 'extern "C" int foo;' is annotated with 'extern'. 1210e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (hasExternalStorage()) 1211e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return DeclarationOnly; 12122bf6d7b1f7406ca4dfe841d4f6ef4b91dce195e4Fariborz Jahanian 1213d931b086984257de68868a64a235c2b4b34003fbJohn McCall if (getStorageClassAsWritten() == SC_Extern || 1214d931b086984257de68868a64a235c2b4b34003fbJohn McCall getStorageClassAsWritten() == SC_PrivateExtern) { 12152bf6d7b1f7406ca4dfe841d4f6ef4b91dce195e4Fariborz Jahanian for (const VarDecl *PrevVar = getPreviousDeclaration(); 12162bf6d7b1f7406ca4dfe841d4f6ef4b91dce195e4Fariborz Jahanian PrevVar; PrevVar = PrevVar->getPreviousDeclaration()) { 12172bf6d7b1f7406ca4dfe841d4f6ef4b91dce195e4Fariborz Jahanian if (PrevVar->getLinkage() == InternalLinkage && PrevVar->hasInit()) 12182bf6d7b1f7406ca4dfe841d4f6ef4b91dce195e4Fariborz Jahanian return DeclarationOnly; 12192bf6d7b1f7406ca4dfe841d4f6ef4b91dce195e4Fariborz Jahanian } 12202bf6d7b1f7406ca4dfe841d4f6ef4b91dce195e4Fariborz Jahanian } 1221e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // C99 6.9.2p2: 1222e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // A declaration of an object that has file scope without an initializer, 1223e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // and without a storage class specifier or the scs 'static', constitutes 1224e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // a tentative definition. 1225e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // No such thing in C++. 1226e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (!getASTContext().getLangOptions().CPlusPlus && isFileVarDecl()) 1227e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return TentativeDefinition; 1228e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 1229e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // What's left is (in C, block-scope) declarations without initializers or 1230e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // external storage. These are definitions. 1231e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return Definition; 1232e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl} 1233e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 1234e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian RedlVarDecl *VarDecl::getActingDefinition() { 1235e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl DefinitionKind Kind = isThisDeclarationADefinition(); 1236e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (Kind != TentativeDefinition) 1237e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return 0; 1238e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 1239f0ed9ef428a051bafc914b9935dcd1d1aa30cf3fChris Lattner VarDecl *LastTentative = 0; 1240e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl VarDecl *First = getFirstDeclaration(); 1241e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl for (redecl_iterator I = First->redecls_begin(), E = First->redecls_end(); 1242e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl I != E; ++I) { 1243e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl Kind = (*I)->isThisDeclarationADefinition(); 1244e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (Kind == Definition) 1245e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return 0; 1246e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl else if (Kind == TentativeDefinition) 1247e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl LastTentative = *I; 1248e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl } 1249e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return LastTentative; 1250e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl} 1251e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 1252e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redlbool VarDecl::isTentativeDefinitionNow() const { 1253e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl DefinitionKind Kind = isThisDeclarationADefinition(); 1254e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (Kind != TentativeDefinition) 1255e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return false; 1256e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 1257e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl for (redecl_iterator I = redecls_begin(), E = redecls_end(); I != E; ++I) { 1258e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if ((*I)->isThisDeclarationADefinition() == Definition) 1259e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return false; 1260e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl } 126131310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl return true; 126231310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl} 126331310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl 126431310a21fb2a9f13950f864f681c86080b05d5b2Sebastian RedlVarDecl *VarDecl::getDefinition() { 1265e2c52d29e483b4167bd5d8e3265c2fb7c38fbcd5Sebastian Redl VarDecl *First = getFirstDeclaration(); 1266e2c52d29e483b4167bd5d8e3265c2fb7c38fbcd5Sebastian Redl for (redecl_iterator I = First->redecls_begin(), E = First->redecls_end(); 1267e2c52d29e483b4167bd5d8e3265c2fb7c38fbcd5Sebastian Redl I != E; ++I) { 126831310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl if ((*I)->isThisDeclarationADefinition() == Definition) 126931310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl return *I; 127031310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl } 127131310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl return 0; 1272e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl} 1273e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 1274110e8e56af30363072c140285961592b0107f789John McCallVarDecl::DefinitionKind VarDecl::hasDefinition() const { 1275110e8e56af30363072c140285961592b0107f789John McCall DefinitionKind Kind = DeclarationOnly; 1276110e8e56af30363072c140285961592b0107f789John McCall 1277110e8e56af30363072c140285961592b0107f789John McCall const VarDecl *First = getFirstDeclaration(); 1278110e8e56af30363072c140285961592b0107f789John McCall for (redecl_iterator I = First->redecls_begin(), E = First->redecls_end(); 1279110e8e56af30363072c140285961592b0107f789John McCall I != E; ++I) 1280110e8e56af30363072c140285961592b0107f789John McCall Kind = std::max(Kind, (*I)->isThisDeclarationADefinition()); 1281110e8e56af30363072c140285961592b0107f789John McCall 1282110e8e56af30363072c140285961592b0107f789John McCall return Kind; 1283110e8e56af30363072c140285961592b0107f789John McCall} 1284110e8e56af30363072c140285961592b0107f789John McCall 128531310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redlconst Expr *VarDecl::getAnyInitializer(const VarDecl *&D) const { 12867783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl redecl_iterator I = redecls_begin(), E = redecls_end(); 12877783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl while (I != E && !I->getInit()) 12887783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl ++I; 12897783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 12907783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (I != E) { 129131310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl D = *I; 12927783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return I->getInit(); 12937783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl } 12947783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return 0; 12957783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 12967783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 12971028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregorbool VarDecl::isOutOfLine() const { 1298da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor if (Decl::isOutOfLine()) 12991028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor return true; 13008761d680eaa7386e03f51286f4b84a1ffe575e2eChandler Carruth 13018761d680eaa7386e03f51286f4b84a1ffe575e2eChandler Carruth if (!isStaticDataMember()) 13028761d680eaa7386e03f51286f4b84a1ffe575e2eChandler Carruth return false; 13038761d680eaa7386e03f51286f4b84a1ffe575e2eChandler Carruth 13041028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor // If this static data member was instantiated from a static data member of 13051028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor // a class template, check whether that static data member was defined 13061028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor // out-of-line. 13071028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor if (VarDecl *VD = getInstantiatedFromStaticDataMember()) 13081028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor return VD->isOutOfLine(); 13091028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor 13101028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor return false; 13111028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor} 13121028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor 13130d03514da06dffb39a260a1228ea3fd01d196fa4Douglas GregorVarDecl *VarDecl::getOutOfLineDefinition() { 13140d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor if (!isStaticDataMember()) 13150d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor return 0; 13160d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor 13170d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor for (VarDecl::redecl_iterator RD = redecls_begin(), RDEnd = redecls_end(); 13180d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor RD != RDEnd; ++RD) { 13190d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor if (RD->getLexicalDeclContext()->isFileContext()) 13200d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor return *RD; 13210d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor } 13220d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor 13230d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor return 0; 13240d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor} 13250d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor 1326838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregorvoid VarDecl::setInit(Expr *I) { 13277783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (EvaluatedStmt *Eval = Init.dyn_cast<EvaluatedStmt *>()) { 13287783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl Eval->~EvaluatedStmt(); 1329838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor getASTContext().Deallocate(Eval); 13307783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl } 13317783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 13327783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl Init = I; 13337783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 13347783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 133503e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregorbool VarDecl::extendsLifetimeOfTemporary() const { 13360b5810882bd34183c2b764676cafa4c2ce324740Douglas Gregor assert(getType()->isReferenceType() &&"Non-references never extend lifetime"); 133703e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor 133803e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor const Expr *E = getInit(); 133903e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor if (!E) 134003e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor return false; 134103e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor 134203e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor if (const ExprWithCleanups *Cleanups = dyn_cast<ExprWithCleanups>(E)) 134303e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor E = Cleanups->getSubExpr(); 134403e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor 134503e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor return isa<MaterializeTemporaryExpr>(E); 134603e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor} 134703e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor 13481028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas GregorVarDecl *VarDecl::getInstantiatedFromStaticDataMember() const { 1349b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor if (MemberSpecializationInfo *MSI = getMemberSpecializationInfo()) 1350251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return cast<VarDecl>(MSI->getInstantiatedFrom()); 1351251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor 1352251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return 0; 1353251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor} 1354251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor 1355663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas GregorTemplateSpecializationKind VarDecl::getTemplateSpecializationKind() const { 1356e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (MemberSpecializationInfo *MSI = getMemberSpecializationInfo()) 1357251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return MSI->getTemplateSpecializationKind(); 1358251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor 1359251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return TSK_Undeclared; 1360251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor} 1361251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor 13621028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas GregorMemberSpecializationInfo *VarDecl::getMemberSpecializationInfo() const { 1363b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor return getASTContext().getInstantiatedFromStaticDataMember(this); 1364b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor} 1365b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor 13660a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregorvoid VarDecl::setTemplateSpecializationKind(TemplateSpecializationKind TSK, 13670a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor SourceLocation PointOfInstantiation) { 1368b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor MemberSpecializationInfo *MSI = getMemberSpecializationInfo(); 1369251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor assert(MSI && "Not an instantiated static data member?"); 1370251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor MSI->setTemplateSpecializationKind(TSK); 13710a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor if (TSK != TSK_ExplicitSpecialization && 13720a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor PointOfInstantiation.isValid() && 13730a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor MSI->getPointOfInstantiation().isInvalid()) 13740a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor MSI->setPointOfInstantiation(PointOfInstantiation); 13757caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 13767caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 13777783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 13787783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl// ParmVarDecl Implementation 13797783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 1380275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor 13817783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlParmVarDecl *ParmVarDecl::Create(ASTContext &C, DeclContext *DC, 1382ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation StartLoc, 1383ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation IdLoc, IdentifierInfo *Id, 13847783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl QualType T, TypeSourceInfo *TInfo, 138516573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor StorageClass S, StorageClass SCAsWritten, 138616573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor Expr *DefArg) { 1387ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara return new (C) ParmVarDecl(ParmVar, DC, StartLoc, IdLoc, Id, T, TInfo, 138816573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor S, SCAsWritten, DefArg); 1389275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor} 1390275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor 13910bfe83b5a98ce37bf3a10274bca6f93ca4cb9696Argyrios KyrtzidisSourceRange ParmVarDecl::getSourceRange() const { 13920bfe83b5a98ce37bf3a10274bca6f93ca4cb9696Argyrios Kyrtzidis if (!hasInheritedDefaultArg()) { 13930bfe83b5a98ce37bf3a10274bca6f93ca4cb9696Argyrios Kyrtzidis SourceRange ArgRange = getDefaultArgRange(); 13940bfe83b5a98ce37bf3a10274bca6f93ca4cb9696Argyrios Kyrtzidis if (ArgRange.isValid()) 13950bfe83b5a98ce37bf3a10274bca6f93ca4cb9696Argyrios Kyrtzidis return SourceRange(getOuterLocStart(), ArgRange.getEnd()); 13960bfe83b5a98ce37bf3a10274bca6f93ca4cb9696Argyrios Kyrtzidis } 13970bfe83b5a98ce37bf3a10274bca6f93ca4cb9696Argyrios Kyrtzidis 13980bfe83b5a98ce37bf3a10274bca6f93ca4cb9696Argyrios Kyrtzidis return DeclaratorDecl::getSourceRange(); 13990bfe83b5a98ce37bf3a10274bca6f93ca4cb9696Argyrios Kyrtzidis} 14000bfe83b5a98ce37bf3a10274bca6f93ca4cb9696Argyrios Kyrtzidis 14017783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlExpr *ParmVarDecl::getDefaultArg() { 14027783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl assert(!hasUnparsedDefaultArg() && "Default argument is not yet parsed!"); 14037783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl assert(!hasUninstantiatedDefaultArg() && 14047783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl "Default argument is not yet instantiated!"); 14057783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 14067783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl Expr *Arg = getInit(); 14074765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall if (ExprWithCleanups *E = dyn_cast_or_null<ExprWithCleanups>(Arg)) 14087783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return E->getSubExpr(); 14097783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 14107783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return Arg; 14117783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 14127783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 14137783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlunsigned ParmVarDecl::getNumDefaultArgTemporaries() const { 14144765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall if (const ExprWithCleanups *E = dyn_cast<ExprWithCleanups>(getInit())) 14157783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return E->getNumTemporaries(); 1416275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor 1417c37929c9e0dba89770dc5f0fbcfa0c9046da0b06Argyrios Kyrtzidis return 0; 1418275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor} 1419275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor 14207783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlCXXTemporary *ParmVarDecl::getDefaultArgTemporary(unsigned i) { 14217783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl assert(getNumDefaultArgTemporaries() && 14227783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl "Default arguments does not have any temporaries!"); 14237783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 14244765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall ExprWithCleanups *E = cast<ExprWithCleanups>(getInit()); 14257783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return E->getTemporary(i); 14267783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 14277783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 14287783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlSourceRange ParmVarDecl::getDefaultArgRange() const { 14297783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (const Expr *E = getInit()) 14307783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return E->getSourceRange(); 14317783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 14327783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (hasUninstantiatedDefaultArg()) 14337783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return getUninstantiatedDefaultArg()->getSourceRange(); 14347783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 14357783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return SourceRange(); 1436fc7e2a8fbb08f0f496ac6cea0721fe72db8ce240Argyrios Kyrtzidis} 1437fc7e2a8fbb08f0f496ac6cea0721fe72db8ce240Argyrios Kyrtzidis 14381fe85ea697fb5c85acded3ac0ddbc19f89c2e181Douglas Gregorbool ParmVarDecl::isParameterPack() const { 14391fe85ea697fb5c85acded3ac0ddbc19f89c2e181Douglas Gregor return isa<PackExpansionType>(getType()); 14401fe85ea697fb5c85acded3ac0ddbc19f89c2e181Douglas Gregor} 14411fe85ea697fb5c85acded3ac0ddbc19f89c2e181Douglas Gregor 144299f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes//===----------------------------------------------------------------------===// 14438a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner// FunctionDecl Implementation 14448a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner//===----------------------------------------------------------------------===// 14458a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner 1446da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregorvoid FunctionDecl::getNameForDiagnostic(std::string &S, 1447da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor const PrintingPolicy &Policy, 1448da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor bool Qualified) const { 1449da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor NamedDecl::getNameForDiagnostic(S, Policy, Qualified); 1450da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor const TemplateArgumentList *TemplateArgs = getTemplateSpecializationArgs(); 1451da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor if (TemplateArgs) 1452da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor S += TemplateSpecializationType::PrintTemplateArgumentList( 1453da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor TemplateArgs->data(), 1454da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor TemplateArgs->size(), 1455da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor Policy); 1456da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor 1457da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor} 1458da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor 14599498d388810d284d3970aef0d69fa4d069fd6cafTed Kremenekbool FunctionDecl::isVariadic() const { 14609498d388810d284d3970aef0d69fa4d069fd6cafTed Kremenek if (const FunctionProtoType *FT = getType()->getAs<FunctionProtoType>()) 14619498d388810d284d3970aef0d69fa4d069fd6cafTed Kremenek return FT->isVariadic(); 14629498d388810d284d3970aef0d69fa4d069fd6cafTed Kremenek return false; 14639498d388810d284d3970aef0d69fa4d069fd6cafTed Kremenek} 14649498d388810d284d3970aef0d69fa4d069fd6cafTed Kremenek 146506a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidisbool FunctionDecl::hasBody(const FunctionDecl *&Definition) const { 146606a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis for (redecl_iterator I = redecls_begin(), E = redecls_end(); I != E; ++I) { 14678387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet if (I->Body || I->IsLateTemplateParsed) { 146806a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis Definition = *I; 146906a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis return true; 147006a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis } 147106a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis } 147206a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis 147306a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis return false; 147406a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis} 147506a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis 1476ffb945ffb5d29b80fd93649c3572b6d87abce3fcAnders Carlssonbool FunctionDecl::hasTrivialBody() const 1477ffb945ffb5d29b80fd93649c3572b6d87abce3fcAnders Carlsson{ 1478ffb945ffb5d29b80fd93649c3572b6d87abce3fcAnders Carlsson Stmt *S = getBody(); 1479ffb945ffb5d29b80fd93649c3572b6d87abce3fcAnders Carlsson if (!S) { 1480ffb945ffb5d29b80fd93649c3572b6d87abce3fcAnders Carlsson // Since we don't have a body for this function, we don't know if it's 1481ffb945ffb5d29b80fd93649c3572b6d87abce3fcAnders Carlsson // trivial or not. 1482ffb945ffb5d29b80fd93649c3572b6d87abce3fcAnders Carlsson return false; 1483ffb945ffb5d29b80fd93649c3572b6d87abce3fcAnders Carlsson } 1484ffb945ffb5d29b80fd93649c3572b6d87abce3fcAnders Carlsson 1485ffb945ffb5d29b80fd93649c3572b6d87abce3fcAnders Carlsson if (isa<CompoundStmt>(S) && cast<CompoundStmt>(S)->body_empty()) 1486ffb945ffb5d29b80fd93649c3572b6d87abce3fcAnders Carlsson return true; 1487ffb945ffb5d29b80fd93649c3572b6d87abce3fcAnders Carlsson return false; 1488ffb945ffb5d29b80fd93649c3572b6d87abce3fcAnders Carlsson} 1489ffb945ffb5d29b80fd93649c3572b6d87abce3fcAnders Carlsson 149010620eb5164e31208fcbf0437cd79ae535ed0559Sean Huntbool FunctionDecl::isDefined(const FunctionDecl *&Definition) const { 149110620eb5164e31208fcbf0437cd79ae535ed0559Sean Hunt for (redecl_iterator I = redecls_begin(), E = redecls_end(); I != E; ++I) { 1492cd10dec673680fd18a2e5a27646173780c059d32Sean Hunt if (I->IsDeleted || I->IsDefaulted || I->Body || I->IsLateTemplateParsed) { 149310620eb5164e31208fcbf0437cd79ae535ed0559Sean Hunt Definition = I->IsDeleted ? I->getCanonicalDecl() : *I; 149410620eb5164e31208fcbf0437cd79ae535ed0559Sean Hunt return true; 149510620eb5164e31208fcbf0437cd79ae535ed0559Sean Hunt } 149610620eb5164e31208fcbf0437cd79ae535ed0559Sean Hunt } 149710620eb5164e31208fcbf0437cd79ae535ed0559Sean Hunt 149810620eb5164e31208fcbf0437cd79ae535ed0559Sean Hunt return false; 149910620eb5164e31208fcbf0437cd79ae535ed0559Sean Hunt} 150010620eb5164e31208fcbf0437cd79ae535ed0559Sean Hunt 15016fb0aee4f9dc261bbec72e1283ad8dc0557a6d96Argyrios KyrtzidisStmt *FunctionDecl::getBody(const FunctionDecl *&Definition) const { 1502c37929c9e0dba89770dc5f0fbcfa0c9046da0b06Argyrios Kyrtzidis for (redecl_iterator I = redecls_begin(), E = redecls_end(); I != E; ++I) { 1503c37929c9e0dba89770dc5f0fbcfa0c9046da0b06Argyrios Kyrtzidis if (I->Body) { 1504c37929c9e0dba89770dc5f0fbcfa0c9046da0b06Argyrios Kyrtzidis Definition = *I; 1505c37929c9e0dba89770dc5f0fbcfa0c9046da0b06Argyrios Kyrtzidis return I->Body.get(getASTContext().getExternalSource()); 15068387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet } else if (I->IsLateTemplateParsed) { 15078387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet Definition = *I; 15088387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet return 0; 1509f009795057dc8ca254f5618c80a0a90f07cd44b4Douglas Gregor } 1510f009795057dc8ca254f5618c80a0a90f07cd44b4Douglas Gregor } 1511f009795057dc8ca254f5618c80a0a90f07cd44b4Douglas Gregor 1512f009795057dc8ca254f5618c80a0a90f07cd44b4Douglas Gregor return 0; 15135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 15145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 151555d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidisvoid FunctionDecl::setBody(Stmt *B) { 151655d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis Body = B; 1517b5f35bae05f1ce3ae62ca52b266a086fd019e89bDouglas Gregor if (B) 151855d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis EndRangeLoc = B->getLocEnd(); 151955d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis} 152055d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis 15212138664dd2cff39de52ff11ca35f653c20b2e4b0Douglas Gregorvoid FunctionDecl::setPure(bool P) { 15222138664dd2cff39de52ff11ca35f653c20b2e4b0Douglas Gregor IsPure = P; 15232138664dd2cff39de52ff11ca35f653c20b2e4b0Douglas Gregor if (P) 15242138664dd2cff39de52ff11ca35f653c20b2e4b0Douglas Gregor if (CXXRecordDecl *Parent = dyn_cast<CXXRecordDecl>(getDeclContext())) 15252138664dd2cff39de52ff11ca35f653c20b2e4b0Douglas Gregor Parent->markedVirtualFunctionPure(); 15262138664dd2cff39de52ff11ca35f653c20b2e4b0Douglas Gregor} 15272138664dd2cff39de52ff11ca35f653c20b2e4b0Douglas Gregor 152848a83b5e7ae4051c7c11680ac00c1fa02d610a62Douglas Gregorbool FunctionDecl::isMain() const { 152923c608d6815f188cb0bd3444c9708383c6461036John McCall const TranslationUnitDecl *tunit = 153023c608d6815f188cb0bd3444c9708383c6461036John McCall dyn_cast<TranslationUnitDecl>(getDeclContext()->getRedeclContext()); 153123c608d6815f188cb0bd3444c9708383c6461036John McCall return tunit && 15325587803dfdb862d573289782f0c695872d9297a1Sean Hunt !tunit->getASTContext().getLangOptions().Freestanding && 153323c608d6815f188cb0bd3444c9708383c6461036John McCall getIdentifier() && 153423c608d6815f188cb0bd3444c9708383c6461036John McCall getIdentifier()->isStr("main"); 153523c608d6815f188cb0bd3444c9708383c6461036John McCall} 153623c608d6815f188cb0bd3444c9708383c6461036John McCall 153723c608d6815f188cb0bd3444c9708383c6461036John McCallbool FunctionDecl::isReservedGlobalPlacementOperator() const { 153823c608d6815f188cb0bd3444c9708383c6461036John McCall assert(getDeclName().getNameKind() == DeclarationName::CXXOperatorName); 153923c608d6815f188cb0bd3444c9708383c6461036John McCall assert(getDeclName().getCXXOverloadedOperator() == OO_New || 154023c608d6815f188cb0bd3444c9708383c6461036John McCall getDeclName().getCXXOverloadedOperator() == OO_Delete || 154123c608d6815f188cb0bd3444c9708383c6461036John McCall getDeclName().getCXXOverloadedOperator() == OO_Array_New || 154223c608d6815f188cb0bd3444c9708383c6461036John McCall getDeclName().getCXXOverloadedOperator() == OO_Array_Delete); 154323c608d6815f188cb0bd3444c9708383c6461036John McCall 154423c608d6815f188cb0bd3444c9708383c6461036John McCall if (isa<CXXRecordDecl>(getDeclContext())) return false; 154523c608d6815f188cb0bd3444c9708383c6461036John McCall assert(getDeclContext()->getRedeclContext()->isTranslationUnit()); 154623c608d6815f188cb0bd3444c9708383c6461036John McCall 154723c608d6815f188cb0bd3444c9708383c6461036John McCall const FunctionProtoType *proto = getType()->castAs<FunctionProtoType>(); 154823c608d6815f188cb0bd3444c9708383c6461036John McCall if (proto->getNumArgs() != 2 || proto->isVariadic()) return false; 154923c608d6815f188cb0bd3444c9708383c6461036John McCall 155023c608d6815f188cb0bd3444c9708383c6461036John McCall ASTContext &Context = 155123c608d6815f188cb0bd3444c9708383c6461036John McCall cast<TranslationUnitDecl>(getDeclContext()->getRedeclContext()) 155223c608d6815f188cb0bd3444c9708383c6461036John McCall ->getASTContext(); 155323c608d6815f188cb0bd3444c9708383c6461036John McCall 155423c608d6815f188cb0bd3444c9708383c6461036John McCall // The result type and first argument type are constant across all 155523c608d6815f188cb0bd3444c9708383c6461036John McCall // these operators. The second argument must be exactly void*. 155623c608d6815f188cb0bd3444c9708383c6461036John McCall return (proto->getArgType(1).getCanonicalType() == Context.VoidPtrTy); 155704495c859f81e440748a9b86baa2913461652bb0Douglas Gregor} 155804495c859f81e440748a9b86baa2913461652bb0Douglas Gregor 155948a83b5e7ae4051c7c11680ac00c1fa02d610a62Douglas Gregorbool FunctionDecl::isExternC() const { 156048a83b5e7ae4051c7c11680ac00c1fa02d610a62Douglas Gregor ASTContext &Context = getASTContext(); 15616393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor // In C, any non-static, non-overloadable function has external 15626393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor // linkage. 15636393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor if (!Context.getLangOptions().CPlusPlus) 1564d931b086984257de68868a64a235c2b4b34003fbJohn McCall return getStorageClass() != SC_Static && !getAttr<OverloadableAttr>(); 15656393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor 156610aad449dfbb5b43611d45b99c88dfc26db7fac9Chandler Carruth const DeclContext *DC = getDeclContext(); 156710aad449dfbb5b43611d45b99c88dfc26db7fac9Chandler Carruth if (DC->isRecord()) 156810aad449dfbb5b43611d45b99c88dfc26db7fac9Chandler Carruth return false; 156910aad449dfbb5b43611d45b99c88dfc26db7fac9Chandler Carruth 157010aad449dfbb5b43611d45b99c88dfc26db7fac9Chandler Carruth for (; !DC->isTranslationUnit(); DC = DC->getParent()) { 15716393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor if (const LinkageSpecDecl *Linkage = dyn_cast<LinkageSpecDecl>(DC)) { 15726393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor if (Linkage->getLanguage() == LinkageSpecDecl::lang_c) 1573d931b086984257de68868a64a235c2b4b34003fbJohn McCall return getStorageClass() != SC_Static && 157440b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis !getAttr<OverloadableAttr>(); 15756393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor 15766393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor break; 15776393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor } 15786393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor } 15796393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor 15800bab54cf82cd679152197c7a2eb938f8aa9f07ddDouglas Gregor return isMain(); 15816393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor} 15826393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor 15838499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregorbool FunctionDecl::isGlobal() const { 15848499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor if (const CXXMethodDecl *Method = dyn_cast<CXXMethodDecl>(this)) 15858499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor return Method->isStatic(); 15868499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor 1587d931b086984257de68868a64a235c2b4b34003fbJohn McCall if (getStorageClass() == SC_Static) 15888499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor return false; 15898499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor 15901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (const DeclContext *DC = getDeclContext(); 15918499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor DC->isNamespace(); 15928499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor DC = DC->getParent()) { 15938499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor if (const NamespaceDecl *Namespace = cast<NamespaceDecl>(DC)) { 15948499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor if (!Namespace->getDeclName()) 15958499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor return false; 15968499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor break; 15978499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor } 15988499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor } 15998499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor 16008499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor return true; 16018499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor} 16028499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor 16037783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlvoid 16047783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlFunctionDecl::setPreviousDeclaration(FunctionDecl *PrevDecl) { 16057783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl redeclarable_base::setPreviousDeclaration(PrevDecl); 16067783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 16077783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (FunctionTemplateDecl *FunTmpl = getDescribedFunctionTemplate()) { 16087783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl FunctionTemplateDecl *PrevFunTmpl 16097783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl = PrevDecl? PrevDecl->getDescribedFunctionTemplate() : 0; 16107783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl assert((!PrevDecl || PrevFunTmpl) && "Function/function template mismatch"); 16117783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl FunTmpl->setPreviousDeclaration(PrevFunTmpl); 16127783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl } 16138f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor 16148f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor if (PrevDecl->IsInline) 16158f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor IsInline = true; 16167783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 16177783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 16187783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlconst FunctionDecl *FunctionDecl::getCanonicalDecl() const { 16197783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return getFirstDeclaration(); 16207783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 16217783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 16227783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlFunctionDecl *FunctionDecl::getCanonicalDecl() { 16237783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return getFirstDeclaration(); 16247783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 16257783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 1626381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregorvoid FunctionDecl::setStorageClass(StorageClass SC) { 1627381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor assert(isLegalForFunction(SC)); 1628381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor if (getStorageClass() != SC) 1629381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor ClearLinkageCache(); 1630381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor 1631381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor SClass = SC; 1632381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor} 1633381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor 16343e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// \brief Returns a value indicating whether this function 16353e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// corresponds to a builtin function. 16363e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// 16373e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// The function corresponds to a built-in function if it is 16383e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// declared at translation scope or within an extern "C" block and 16393e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// its name matches with the name of a builtin. The returned value 16403e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// will be 0 for functions that do not correspond to a builtin, a 16411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// value of type \c Builtin::ID if in the target-independent range 16423e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// \c [1,Builtin::First), or a target-specific builtin value. 16437814e6d6645d587891293d59ecf6576defcfac92Douglas Gregorunsigned FunctionDecl::getBuiltinID() const { 16447814e6d6645d587891293d59ecf6576defcfac92Douglas Gregor ASTContext &Context = getASTContext(); 16453c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor if (!getIdentifier() || !getIdentifier()->getBuiltinID()) 16463c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor return 0; 16473c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor 16483c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor unsigned BuiltinID = getIdentifier()->getBuiltinID(); 16493c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor if (!Context.BuiltinInfo.isPredefinedLibFunction(BuiltinID)) 16503c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor return BuiltinID; 16513c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor 16523c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // This function has the name of a known C library 16533c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // function. Determine whether it actually refers to the C library 16543c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // function or whether it just has the same name. 16553c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor 16569add31798f621f843233dbff8bba103fca64447bDouglas Gregor // If this is a static function, it's not a builtin. 1657d931b086984257de68868a64a235c2b4b34003fbJohn McCall if (getStorageClass() == SC_Static) 16589add31798f621f843233dbff8bba103fca64447bDouglas Gregor return 0; 16599add31798f621f843233dbff8bba103fca64447bDouglas Gregor 16603c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // If this function is at translation-unit scope and we're not in 16613c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // C++, it refers to the C library function. 16623c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor if (!Context.getLangOptions().CPlusPlus && 16633c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor getDeclContext()->isTranslationUnit()) 16643c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor return BuiltinID; 16653c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor 16663c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // If the function is in an extern "C" linkage specification and is 16673c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // not marked "overloadable", it's the real function. 16683c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor if (isa<LinkageSpecDecl>(getDeclContext()) && 16691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump cast<LinkageSpecDecl>(getDeclContext())->getLanguage() 16703c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor == LinkageSpecDecl::lang_c && 167140b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis !getAttr<OverloadableAttr>()) 16723c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor return BuiltinID; 16733c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor 16743c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // Not a builtin 16753e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor return 0; 16763e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor} 16773e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor 16783e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor 16791ad9b28e3217c2349a04f3d3bf14f9c73a99afa7Chris Lattner/// getNumParams - Return the number of parameters this function must have 16808dbfbf4c95251c69a455d4d016d6c7890c932007Bob Wilson/// based on its FunctionType. This is the length of the ParamInfo array 16811ad9b28e3217c2349a04f3d3bf14f9c73a99afa7Chris Lattner/// after it has been created. 16821ad9b28e3217c2349a04f3d3bf14f9c73a99afa7Chris Lattnerunsigned FunctionDecl::getNumParams() const { 1683183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *FT = getType()->getAs<FunctionType>(); 168472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor if (isa<FunctionNoProtoType>(FT)) 1685d3b9065ec7052ec4741783d2fb4130d13c766933Chris Lattner return 0; 168672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return cast<FunctionProtoType>(FT)->getNumArgs(); 16871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 16895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16906b5415196327fa8ef00f028ba175fafef1738ae1Argyrios Kyrtzidisvoid FunctionDecl::setParams(ASTContext &C, 16916b5415196327fa8ef00f028ba175fafef1738ae1Argyrios Kyrtzidis ParmVarDecl **NewParamInfo, unsigned NumParams) { 16925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(ParamInfo == 0 && "Already has param info!"); 16932dbd285f5033ca6dea25babfd1c43d9fec35e7e5Chris Lattner assert(NumParams == getNumParams() && "Parameter count mismatch!"); 16941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Zero params -> null pointer. 16965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (NumParams) { 16976b5415196327fa8ef00f028ba175fafef1738ae1Argyrios Kyrtzidis void *Mem = C.Allocate(sizeof(ParmVarDecl*)*NumParams); 1698fc767615bc67d3a7587b1fb2e0494c32c9dbd7a5Ted Kremenek ParamInfo = new (Mem) ParmVarDecl*[NumParams]; 16995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer memcpy(ParamInfo, NewParamInfo, sizeof(ParmVarDecl*)*NumParams); 17005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 17015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 17025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17038123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner/// getMinRequiredArguments - Returns the minimum number of arguments 17048123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner/// needed to call this function. This may be fewer than the number of 17058123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner/// function parameters, if some of the parameters have default 1706f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor/// arguments (in C++) or the last parameter is a parameter pack. 17078123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattnerunsigned FunctionDecl::getMinRequiredArguments() const { 17087d5c0c1273bdc1cb3dff1cb5a62d07b1439e82c7Douglas Gregor if (!getASTContext().getLangOptions().CPlusPlus) 17097d5c0c1273bdc1cb3dff1cb5a62d07b1439e82c7Douglas Gregor return getNumParams(); 17107d5c0c1273bdc1cb3dff1cb5a62d07b1439e82c7Douglas Gregor 1711f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor unsigned NumRequiredArgs = getNumParams(); 1712f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor 1713f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor // If the last parameter is a parameter pack, we don't need an argument for 1714f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor // it. 1715f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor if (NumRequiredArgs > 0 && 1716f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor getParamDecl(NumRequiredArgs - 1)->isParameterPack()) 1717f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor --NumRequiredArgs; 1718f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor 1719f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor // If this parameter has a default argument, we don't need an argument for 1720f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor // it. 1721f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor while (NumRequiredArgs > 0 && 1722f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor getParamDecl(NumRequiredArgs-1)->hasDefaultArg()) 17238123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner --NumRequiredArgs; 17248123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner 17257d5c0c1273bdc1cb3dff1cb5a62d07b1439e82c7Douglas Gregor // We might have parameter packs before the end. These can't be deduced, 17267d5c0c1273bdc1cb3dff1cb5a62d07b1439e82c7Douglas Gregor // but they can still handle multiple arguments. 17277d5c0c1273bdc1cb3dff1cb5a62d07b1439e82c7Douglas Gregor unsigned ArgIdx = NumRequiredArgs; 17287d5c0c1273bdc1cb3dff1cb5a62d07b1439e82c7Douglas Gregor while (ArgIdx > 0) { 17297d5c0c1273bdc1cb3dff1cb5a62d07b1439e82c7Douglas Gregor if (getParamDecl(ArgIdx - 1)->isParameterPack()) 17307d5c0c1273bdc1cb3dff1cb5a62d07b1439e82c7Douglas Gregor NumRequiredArgs = ArgIdx; 17317d5c0c1273bdc1cb3dff1cb5a62d07b1439e82c7Douglas Gregor 17327d5c0c1273bdc1cb3dff1cb5a62d07b1439e82c7Douglas Gregor --ArgIdx; 17337d5c0c1273bdc1cb3dff1cb5a62d07b1439e82c7Douglas Gregor } 17347d5c0c1273bdc1cb3dff1cb5a62d07b1439e82c7Douglas Gregor 17358123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner return NumRequiredArgs; 17368123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner} 17378123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner 17387ced9c8529b734e313f62a3b81189d6f402f6713Douglas Gregorbool FunctionDecl::isInlined() const { 17398f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor if (IsInline) 17407d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor return true; 174148eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson 174248eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson if (isa<CXXMethodDecl>(this)) { 174348eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson if (!isOutOfLine() || getCanonicalDecl()->isInlineSpecified()) 174448eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson return true; 174548eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson } 17467d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor 17477d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor switch (getTemplateSpecializationKind()) { 17487d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor case TSK_Undeclared: 17497d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor case TSK_ExplicitSpecialization: 17507d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor return false; 17517d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor 17527d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor case TSK_ImplicitInstantiation: 17537d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor case TSK_ExplicitInstantiationDeclaration: 17547d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor case TSK_ExplicitInstantiationDefinition: 17557d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor // Handle below. 17567d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor break; 17577d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor } 17587d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor 17597d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor const FunctionDecl *PatternDecl = getTemplateInstantiationPattern(); 176006a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis bool HasPattern = false; 17617d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor if (PatternDecl) 176206a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis HasPattern = PatternDecl->hasBody(PatternDecl); 17637d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor 176406a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis if (HasPattern && PatternDecl) 17657d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor return PatternDecl->isInlined(); 17667d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor 17677d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor return false; 17687ced9c8529b734e313f62a3b81189d6f402f6713Douglas Gregor} 17697ced9c8529b734e313f62a3b81189d6f402f6713Douglas Gregor 1770dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky/// \brief For a function declaration in C or C++, determine whether this 1771dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky/// declaration causes the definition to be externally visible. 1772dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky/// 1773dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky/// Determines whether this is the first non-inline redeclaration of an inline 1774dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky/// function in a language where "inline" does not normally require an 1775dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky/// externally visible definition. 1776dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewyckybool FunctionDecl::doesDeclarationForceExternallyVisibleDefinition() const { 1777dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky assert(!doesThisDeclarationHaveABody() && 1778dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky "Must have a declaration without a body."); 1779dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky 1780dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky ASTContext &Context = getASTContext(); 1781dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky 1782dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky // In C99 mode, a function may have an inline definition (causing it to 1783dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky // be deferred) then redeclared later. As a special case, "extern inline" 1784dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky // is not required to produce an external symbol. 1785dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky if (Context.getLangOptions().GNUInline || !Context.getLangOptions().C99 || 1786dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky Context.getLangOptions().CPlusPlus) 1787dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky return false; 1788dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky if (getLinkage() != ExternalLinkage || isInlineSpecified()) 1789dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky return false; 1790f57ef0516c011237a1b6a5b2585b99caf0396bd7Nick Lewycky const FunctionDecl *Definition = 0; 1791f57ef0516c011237a1b6a5b2585b99caf0396bd7Nick Lewycky if (hasBody(Definition)) 1792f57ef0516c011237a1b6a5b2585b99caf0396bd7Nick Lewycky return Definition->isInlined() && 1793f57ef0516c011237a1b6a5b2585b99caf0396bd7Nick Lewycky Definition->isInlineDefinitionExternallyVisible(); 1794dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky return false; 1795dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky} 1796dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky 17977d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor/// \brief For an inline function definition in C or C++, determine whether the 17981fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// definition will be externally visible. 17991fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// 18001fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// Inline function definitions are always available for inlining optimizations. 18011fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// However, depending on the language dialect, declaration specifiers, and 18021fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// attributes, the definition of an inline function may or may not be 18031fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// "externally" visible to other translation units in the program. 18041fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// 18051fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// In C99, inline definitions are not externally visible by default. However, 18061e5fd7f8e90e0953e5c59cbbbc130633d84a1e37Mike Stump/// if even one of the global-scope declarations is marked "extern inline", the 18071fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// inline definition becomes externally visible (C99 6.7.4p6). 18081fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// 18091fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// In GNU89 mode, or if the gnu_inline attribute is attached to the function 18101fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// definition, we use the GNU semantics for inline, which are nearly the 18111fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// opposite of C99 semantics. In particular, "inline" by itself will create 18121fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// an externally visible symbol, but "extern inline" will not create an 18131fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// externally visible symbol. 18141fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregorbool FunctionDecl::isInlineDefinitionExternallyVisible() const { 181510620eb5164e31208fcbf0437cd79ae535ed0559Sean Hunt assert(doesThisDeclarationHaveABody() && "Must have the function definition"); 18167ced9c8529b734e313f62a3b81189d6f402f6713Douglas Gregor assert(isInlined() && "Function must be inline"); 18177d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor ASTContext &Context = getASTContext(); 18181fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor 1819fb3f4aad0436a9c40e9130598162150890c405b5Rafael Espindola if (Context.getLangOptions().GNUInline || hasAttr<GNUInlineAttr>()) { 18208f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor // If it's not the case that both 'inline' and 'extern' are 18218f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor // specified on the definition, then this inline definition is 18228f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor // externally visible. 18238f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor if (!(isInlineSpecified() && getStorageClassAsWritten() == SC_Extern)) 18248f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor return true; 18258f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor 18268f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor // If any declaration is 'inline' but not 'extern', then this definition 18278f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor // is externally visible. 18281fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor for (redecl_iterator Redecl = redecls_begin(), RedeclEnd = redecls_end(); 18291fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor Redecl != RedeclEnd; 18301fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor ++Redecl) { 18318f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor if (Redecl->isInlineSpecified() && 18328f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor Redecl->getStorageClassAsWritten() != SC_Extern) 18331fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor return true; 18348f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor } 18351fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor 18369f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor return false; 18371fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor } 18381fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor 18391fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // C99 6.7.4p6: 18401fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // [...] If all of the file scope declarations for a function in a 18411fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // translation unit include the inline function specifier without extern, 18421fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // then the definition in that translation unit is an inline definition. 18431fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor for (redecl_iterator Redecl = redecls_begin(), RedeclEnd = redecls_end(); 18441fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor Redecl != RedeclEnd; 18451fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor ++Redecl) { 18461fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // Only consider file-scope declarations in this test. 18471fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor if (!Redecl->getLexicalDeclContext()->isTranslationUnit()) 18481fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor continue; 18491fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor 1850d931b086984257de68868a64a235c2b4b34003fbJohn McCall if (!Redecl->isInlineSpecified() || Redecl->getStorageClass() == SC_Extern) 18511fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor return true; // Not an inline definition 18521fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor } 18531fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor 18541fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // C99 6.7.4p6: 18551fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // An inline definition does not provide an external definition for the 18561fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // function, and does not forbid an external definition in another 18571fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // translation unit. 18589f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor return false; 18599f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor} 18609f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor 18611cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// getOverloadedOperator - Which C++ overloaded operator this 18621cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// function represents, if any. 18631cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas GregorOverloadedOperatorKind FunctionDecl::getOverloadedOperator() const { 1864e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor if (getDeclName().getNameKind() == DeclarationName::CXXOperatorName) 1865e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor return getDeclName().getCXXOverloadedOperator(); 18661cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor else 18671cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor return OO_None; 18681cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor} 18691cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 1870a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt/// getLiteralIdentifier - The literal suffix identifier this function 1871a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt/// represents, if any. 1872a6c058dd75c5563cced821fc16766a7cc179e00cSean Huntconst IdentifierInfo *FunctionDecl::getLiteralIdentifier() const { 1873a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt if (getDeclName().getNameKind() == DeclarationName::CXXLiteralOperatorName) 1874a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt return getDeclName().getCXXLiteralIdentifier(); 1875a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt else 1876a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt return 0; 1877a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt} 1878a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt 1879d0913557c800c8a712fb554032a833619f23bc56Argyrios KyrtzidisFunctionDecl::TemplatedKind FunctionDecl::getTemplatedKind() const { 1880d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis if (TemplateOrSpecialization.isNull()) 1881d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis return TK_NonTemplate; 1882d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis if (TemplateOrSpecialization.is<FunctionTemplateDecl *>()) 1883d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis return TK_FunctionTemplate; 1884d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis if (TemplateOrSpecialization.is<MemberSpecializationInfo *>()) 1885d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis return TK_MemberSpecialization; 1886d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis if (TemplateOrSpecialization.is<FunctionTemplateSpecializationInfo *>()) 1887d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis return TK_FunctionTemplateSpecialization; 1888d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis if (TemplateOrSpecialization.is 1889d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis <DependentFunctionTemplateSpecializationInfo*>()) 1890d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis return TK_DependentFunctionTemplateSpecialization; 1891d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis 1892d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis assert(false && "Did we miss a TemplateOrSpecialization type?"); 1893d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis return TK_NonTemplate; 1894d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis} 1895d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis 18962db323294ac02296125e1e0beb4c3595992e75bbDouglas GregorFunctionDecl *FunctionDecl::getInstantiatedFromMemberFunction() const { 1897b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor if (MemberSpecializationInfo *Info = getMemberSpecializationInfo()) 18982db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor return cast<FunctionDecl>(Info->getInstantiatedFrom()); 18992db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor 19002db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor return 0; 19012db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor} 19022db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor 1903b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas GregorMemberSpecializationInfo *FunctionDecl::getMemberSpecializationInfo() const { 1904b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor return TemplateOrSpecialization.dyn_cast<MemberSpecializationInfo*>(); 1905b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor} 1906b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor 19072db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregorvoid 19086b5415196327fa8ef00f028ba175fafef1738ae1Argyrios KyrtzidisFunctionDecl::setInstantiationOfMemberFunction(ASTContext &C, 19096b5415196327fa8ef00f028ba175fafef1738ae1Argyrios Kyrtzidis FunctionDecl *FD, 19102db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor TemplateSpecializationKind TSK) { 19112db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor assert(TemplateOrSpecialization.isNull() && 19122db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor "Member function is already a specialization"); 19132db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor MemberSpecializationInfo *Info 19146b5415196327fa8ef00f028ba175fafef1738ae1Argyrios Kyrtzidis = new (C) MemberSpecializationInfo(FD, TSK); 19152db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor TemplateOrSpecialization = Info; 19162db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor} 19172db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor 19183b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregorbool FunctionDecl::isImplicitlyInstantiable() const { 19196cfacfe54c75baa4d67f1fbdf4f80644b662818eDouglas Gregor // If the function is invalid, it can't be implicitly instantiated. 19206cfacfe54c75baa4d67f1fbdf4f80644b662818eDouglas Gregor if (isInvalidDecl()) 19213b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return false; 19223b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 19233b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor switch (getTemplateSpecializationKind()) { 19243b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor case TSK_Undeclared: 19253b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor case TSK_ExplicitInstantiationDefinition: 19263b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return false; 19273b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 19283b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor case TSK_ImplicitInstantiation: 19293b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return true; 19303b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 1931af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet // It is possible to instantiate TSK_ExplicitSpecialization kind 1932af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet // if the FunctionDecl has a class scope specialization pattern. 1933af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet case TSK_ExplicitSpecialization: 1934af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet return getClassScopeSpecializationPattern() != 0; 1935af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet 19363b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor case TSK_ExplicitInstantiationDeclaration: 19373b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // Handled below. 19383b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor break; 19393b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor } 19403b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 19413b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // Find the actual template from which we will instantiate. 19423b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor const FunctionDecl *PatternDecl = getTemplateInstantiationPattern(); 194306a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis bool HasPattern = false; 19443b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor if (PatternDecl) 194506a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis HasPattern = PatternDecl->hasBody(PatternDecl); 19463b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 19473b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // C++0x [temp.explicit]p9: 19483b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // Except for inline functions, other explicit instantiation declarations 19493b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // have the effect of suppressing the implicit instantiation of the entity 19503b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // to which they refer. 195106a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis if (!HasPattern || !PatternDecl) 19523b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return true; 19533b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 19547ced9c8529b734e313f62a3b81189d6f402f6713Douglas Gregor return PatternDecl->isInlined(); 19553b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor} 19563b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 19573b846b6c252972a6f142aa226c1e65aebd0feecaDouglas GregorFunctionDecl *FunctionDecl::getTemplateInstantiationPattern() const { 1958af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet // Handle class scope explicit specialization special case. 1959af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet if (getTemplateSpecializationKind() == TSK_ExplicitSpecialization) 1960af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet return getClassScopeSpecializationPattern(); 1961af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet 19623b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor if (FunctionTemplateDecl *Primary = getPrimaryTemplate()) { 19633b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor while (Primary->getInstantiatedFromMemberTemplate()) { 19643b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // If we have hit a point where the user provided a specialization of 19653b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // this template, we're done looking. 19663b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor if (Primary->isMemberSpecialization()) 19673b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor break; 19683b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 19693b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor Primary = Primary->getInstantiatedFromMemberTemplate(); 19703b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor } 19713b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 19723b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return Primary->getTemplatedDecl(); 19733b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor } 19743b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 19753b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return getInstantiatedFromMemberFunction(); 19763b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor} 19773b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 197816e8be2ac532358d4e413fdfa2643b1876edda78Douglas GregorFunctionTemplateDecl *FunctionDecl::getPrimaryTemplate() const { 19791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionTemplateSpecializationInfo *Info 198016e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor = TemplateOrSpecialization 198116e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor .dyn_cast<FunctionTemplateSpecializationInfo*>()) { 19821fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor return Info->Template.getPointer(); 198316e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor } 198416e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor return 0; 198516e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor} 198616e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor 1987af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois PichetFunctionDecl *FunctionDecl::getClassScopeSpecializationPattern() const { 1988af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet return getASTContext().getClassScopeSpecializationPattern(this); 1989af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet} 1990af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet 199116e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregorconst TemplateArgumentList * 199216e8be2ac532358d4e413fdfa2643b1876edda78Douglas GregorFunctionDecl::getTemplateSpecializationArgs() const { 19931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionTemplateSpecializationInfo *Info 1994fd056bc86a8b22a9421b5d921bbca276d0f9d0f7Douglas Gregor = TemplateOrSpecialization 1995fd056bc86a8b22a9421b5d921bbca276d0f9d0f7Douglas Gregor .dyn_cast<FunctionTemplateSpecializationInfo*>()) { 199616e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor return Info->TemplateArguments; 199716e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor } 199816e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor return 0; 199916e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor} 200016e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor 2001e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnaraconst TemplateArgumentListInfo * 2002e03db98d67111ebf7622d9086951aacc24406b66Abramo BagnaraFunctionDecl::getTemplateSpecializationArgsAsWritten() const { 2003e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara if (FunctionTemplateSpecializationInfo *Info 2004e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara = TemplateOrSpecialization 2005e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara .dyn_cast<FunctionTemplateSpecializationInfo*>()) { 2006e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara return Info->TemplateArgumentsAsWritten; 2007e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara } 2008e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara return 0; 2009e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara} 2010e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara 20111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 20126b5415196327fa8ef00f028ba175fafef1738ae1Argyrios KyrtzidisFunctionDecl::setFunctionTemplateSpecialization(ASTContext &C, 20136b5415196327fa8ef00f028ba175fafef1738ae1Argyrios Kyrtzidis FunctionTemplateDecl *Template, 2014127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor const TemplateArgumentList *TemplateArgs, 2015b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor void *InsertPos, 2016e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara TemplateSpecializationKind TSK, 20177b081c8604efd33bc7f7e5c1e9427a031eedb2b4Argyrios Kyrtzidis const TemplateArgumentListInfo *TemplateArgsAsWritten, 20187b081c8604efd33bc7f7e5c1e9427a031eedb2b4Argyrios Kyrtzidis SourceLocation PointOfInstantiation) { 2019b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor assert(TSK != TSK_Undeclared && 2020b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor "Must specify the type of function template specialization"); 20211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FunctionTemplateSpecializationInfo *Info 202216e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor = TemplateOrSpecialization.dyn_cast<FunctionTemplateSpecializationInfo*>(); 20231637be727f2a0434c1ed7aa385ea1c18328b0ccdDouglas Gregor if (!Info) 2024a626a3d0fb74455651f742c0938902a42e6e71c8Argyrios Kyrtzidis Info = FunctionTemplateSpecializationInfo::Create(C, this, Template, TSK, 2025a626a3d0fb74455651f742c0938902a42e6e71c8Argyrios Kyrtzidis TemplateArgs, 2026a626a3d0fb74455651f742c0938902a42e6e71c8Argyrios Kyrtzidis TemplateArgsAsWritten, 2027a626a3d0fb74455651f742c0938902a42e6e71c8Argyrios Kyrtzidis PointOfInstantiation); 20281637be727f2a0434c1ed7aa385ea1c18328b0ccdDouglas Gregor TemplateOrSpecialization = Info; 20291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2030127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor // Insert this function template specialization into the set of known 2031b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor // function template specializations. 2032b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor if (InsertPos) 20335bbcdbf36f8cf79d99703ef20848c55960065e43Sebastian Redl Template->addSpecialization(Info, InsertPos); 2034b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor else { 20352c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis // Try to insert the new node. If there is an existing node, leave it, the 20362c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis // set will contain the canonical decls while 20372c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis // FunctionTemplateDecl::findSpecialization will return 20382c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis // the most recent redeclarations. 2039b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor FunctionTemplateSpecializationInfo *Existing 2040b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor = Template->getSpecializations().GetOrInsertNode(Info); 20412c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis (void)Existing; 20422c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis assert((!Existing || Existing->Function->isCanonicalDecl()) && 20432c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis "Set is supposed to only contain canonical decls"); 2044b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor } 20451637be727f2a0434c1ed7aa385ea1c18328b0ccdDouglas Gregor} 20461637be727f2a0434c1ed7aa385ea1c18328b0ccdDouglas Gregor 2047af2094e7cecadf36667deb61a83587ffdd979bd3John McCallvoid 2048af2094e7cecadf36667deb61a83587ffdd979bd3John McCallFunctionDecl::setDependentTemplateSpecialization(ASTContext &Context, 2049af2094e7cecadf36667deb61a83587ffdd979bd3John McCall const UnresolvedSetImpl &Templates, 2050af2094e7cecadf36667deb61a83587ffdd979bd3John McCall const TemplateArgumentListInfo &TemplateArgs) { 2051af2094e7cecadf36667deb61a83587ffdd979bd3John McCall assert(TemplateOrSpecialization.isNull()); 2052af2094e7cecadf36667deb61a83587ffdd979bd3John McCall size_t Size = sizeof(DependentFunctionTemplateSpecializationInfo); 2053af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Size += Templates.size() * sizeof(FunctionTemplateDecl*); 205421c0160959961b3a6ab3308608ee3fde182ecb49John McCall Size += TemplateArgs.size() * sizeof(TemplateArgumentLoc); 2055af2094e7cecadf36667deb61a83587ffdd979bd3John McCall void *Buffer = Context.Allocate(Size); 2056af2094e7cecadf36667deb61a83587ffdd979bd3John McCall DependentFunctionTemplateSpecializationInfo *Info = 2057af2094e7cecadf36667deb61a83587ffdd979bd3John McCall new (Buffer) DependentFunctionTemplateSpecializationInfo(Templates, 2058af2094e7cecadf36667deb61a83587ffdd979bd3John McCall TemplateArgs); 2059af2094e7cecadf36667deb61a83587ffdd979bd3John McCall TemplateOrSpecialization = Info; 2060af2094e7cecadf36667deb61a83587ffdd979bd3John McCall} 2061af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 2062af2094e7cecadf36667deb61a83587ffdd979bd3John McCallDependentFunctionTemplateSpecializationInfo:: 2063af2094e7cecadf36667deb61a83587ffdd979bd3John McCallDependentFunctionTemplateSpecializationInfo(const UnresolvedSetImpl &Ts, 2064af2094e7cecadf36667deb61a83587ffdd979bd3John McCall const TemplateArgumentListInfo &TArgs) 2065af2094e7cecadf36667deb61a83587ffdd979bd3John McCall : AngleLocs(TArgs.getLAngleLoc(), TArgs.getRAngleLoc()) { 2066af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 2067af2094e7cecadf36667deb61a83587ffdd979bd3John McCall d.NumTemplates = Ts.size(); 2068af2094e7cecadf36667deb61a83587ffdd979bd3John McCall d.NumArgs = TArgs.size(); 2069af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 2070af2094e7cecadf36667deb61a83587ffdd979bd3John McCall FunctionTemplateDecl **TsArray = 2071af2094e7cecadf36667deb61a83587ffdd979bd3John McCall const_cast<FunctionTemplateDecl**>(getTemplates()); 2072af2094e7cecadf36667deb61a83587ffdd979bd3John McCall for (unsigned I = 0, E = Ts.size(); I != E; ++I) 2073af2094e7cecadf36667deb61a83587ffdd979bd3John McCall TsArray[I] = cast<FunctionTemplateDecl>(Ts[I]->getUnderlyingDecl()); 2074af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 2075af2094e7cecadf36667deb61a83587ffdd979bd3John McCall TemplateArgumentLoc *ArgsArray = 2076af2094e7cecadf36667deb61a83587ffdd979bd3John McCall const_cast<TemplateArgumentLoc*>(getTemplateArgs()); 2077af2094e7cecadf36667deb61a83587ffdd979bd3John McCall for (unsigned I = 0, E = TArgs.size(); I != E; ++I) 2078af2094e7cecadf36667deb61a83587ffdd979bd3John McCall new (&ArgsArray[I]) TemplateArgumentLoc(TArgs[I]); 2079af2094e7cecadf36667deb61a83587ffdd979bd3John McCall} 2080af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 2081d0e3daf2b980b505e535d35b432c938c6d0208efDouglas GregorTemplateSpecializationKind FunctionDecl::getTemplateSpecializationKind() const { 20821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // For a function template specialization, query the specialization 2083d0e3daf2b980b505e535d35b432c938c6d0208efDouglas Gregor // information object. 20842db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor FunctionTemplateSpecializationInfo *FTSInfo 20851fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor = TemplateOrSpecialization.dyn_cast<FunctionTemplateSpecializationInfo*>(); 20862db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor if (FTSInfo) 20872db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor return FTSInfo->getTemplateSpecializationKind(); 2088d0e3daf2b980b505e535d35b432c938c6d0208efDouglas Gregor 20892db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor MemberSpecializationInfo *MSInfo 20902db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor = TemplateOrSpecialization.dyn_cast<MemberSpecializationInfo*>(); 20912db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor if (MSInfo) 20922db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor return MSInfo->getTemplateSpecializationKind(); 20932db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor 20942db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor return TSK_Undeclared; 20951fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor} 20961fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor 20971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 20980a897e32a09d290aa5b375444fe33928e47168bbDouglas GregorFunctionDecl::setTemplateSpecializationKind(TemplateSpecializationKind TSK, 20990a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor SourceLocation PointOfInstantiation) { 21002db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor if (FunctionTemplateSpecializationInfo *FTSInfo 21012db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor = TemplateOrSpecialization.dyn_cast< 21020a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor FunctionTemplateSpecializationInfo*>()) { 21032db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor FTSInfo->setTemplateSpecializationKind(TSK); 21040a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor if (TSK != TSK_ExplicitSpecialization && 21050a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor PointOfInstantiation.isValid() && 21060a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor FTSInfo->getPointOfInstantiation().isInvalid()) 21070a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor FTSInfo->setPointOfInstantiation(PointOfInstantiation); 21080a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor } else if (MemberSpecializationInfo *MSInfo 21090a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor = TemplateOrSpecialization.dyn_cast<MemberSpecializationInfo*>()) { 21102db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor MSInfo->setTemplateSpecializationKind(TSK); 21110a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor if (TSK != TSK_ExplicitSpecialization && 21120a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor PointOfInstantiation.isValid() && 21130a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor MSInfo->getPointOfInstantiation().isInvalid()) 21140a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor MSInfo->setPointOfInstantiation(PointOfInstantiation); 21150a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor } else 21162db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor assert(false && "Function cannot have a template specialization kind"); 21171fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor} 21181fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor 21190a897e32a09d290aa5b375444fe33928e47168bbDouglas GregorSourceLocation FunctionDecl::getPointOfInstantiation() const { 21200a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor if (FunctionTemplateSpecializationInfo *FTSInfo 21210a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor = TemplateOrSpecialization.dyn_cast< 21220a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor FunctionTemplateSpecializationInfo*>()) 21230a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor return FTSInfo->getPointOfInstantiation(); 21240a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor else if (MemberSpecializationInfo *MSInfo 21250a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor = TemplateOrSpecialization.dyn_cast<MemberSpecializationInfo*>()) 21260a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor return MSInfo->getPointOfInstantiation(); 21270a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor 21280a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor return SourceLocation(); 21290a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor} 21300a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor 21319f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregorbool FunctionDecl::isOutOfLine() const { 2132da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor if (Decl::isOutOfLine()) 21339f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor return true; 21349f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor 21359f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor // If this function was instantiated from a member function of a 21369f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor // class template, check whether that member function was defined out-of-line. 21379f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor if (FunctionDecl *FD = getInstantiatedFromMemberFunction()) { 21389f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor const FunctionDecl *Definition; 213906a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis if (FD->hasBody(Definition)) 21409f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor return Definition->isOutOfLine(); 21419f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor } 21429f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor 21439f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor // If this function was instantiated from a function template, 21449f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor // check whether that function template was defined out-of-line. 21459f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor if (FunctionTemplateDecl *FunTmpl = getPrimaryTemplate()) { 21469f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor const FunctionDecl *Definition; 214706a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis if (FunTmpl->getTemplatedDecl()->hasBody(Definition)) 21489f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor return Definition->isOutOfLine(); 21499f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor } 21509f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor 21519f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor return false; 21529f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor} 21539f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor 2154a2026c96d3935e7909e049ad9096762844544ed6Abramo BagnaraSourceRange FunctionDecl::getSourceRange() const { 2155a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara return SourceRange(getOuterLocStart(), EndRangeLoc); 2156a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara} 2157a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara 21588a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner//===----------------------------------------------------------------------===// 21597783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl// FieldDecl Implementation 21607783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 21617783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 21624ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadFieldDecl *FieldDecl::Create(const ASTContext &C, DeclContext *DC, 2163ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation StartLoc, SourceLocation IdLoc, 2164ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara IdentifierInfo *Id, QualType T, 21657a614d8380297fcd2bc23986241905d97222948cRichard Smith TypeSourceInfo *TInfo, Expr *BW, bool Mutable, 21667a614d8380297fcd2bc23986241905d97222948cRichard Smith bool HasInit) { 2167ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara return new (C) FieldDecl(Decl::Field, DC, StartLoc, IdLoc, Id, T, TInfo, 21687a614d8380297fcd2bc23986241905d97222948cRichard Smith BW, Mutable, HasInit); 21697783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 21707783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 21717783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlbool FieldDecl::isAnonymousStructOrUnion() const { 21727783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (!isImplicit() || getDeclName()) 21737783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return false; 21747783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 21757783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (const RecordType *Record = getType()->getAs<RecordType>()) 21767783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return Record->getDecl()->isAnonymousStructOrUnion(); 21777783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 21787783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return false; 21797783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 21807783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 2181ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCallunsigned FieldDecl::getFieldIndex() const { 2182ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (CachedFieldIndex) return CachedFieldIndex - 1; 2183ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 2184ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall unsigned index = 0; 218507a8a21c3376f3a2ee470bfa3549c6f3ac4e236dFariborz Jahanian const RecordDecl *RD = getParent(); 218607a8a21c3376f3a2ee470bfa3549c6f3ac4e236dFariborz Jahanian const FieldDecl *LastFD = 0; 218707a8a21c3376f3a2ee470bfa3549c6f3ac4e236dFariborz Jahanian bool IsMsStruct = RD->hasAttr<MsStructAttr>(); 218807a8a21c3376f3a2ee470bfa3549c6f3ac4e236dFariborz Jahanian 218907a8a21c3376f3a2ee470bfa3549c6f3ac4e236dFariborz Jahanian RecordDecl::field_iterator i = RD->field_begin(), e = RD->field_end(); 2190ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall while (true) { 2191ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall assert(i != e && "failed to find field in parent!"); 2192ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (*i == this) 2193ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall break; 2194ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 219507a8a21c3376f3a2ee470bfa3549c6f3ac4e236dFariborz Jahanian if (IsMsStruct) { 219607a8a21c3376f3a2ee470bfa3549c6f3ac4e236dFariborz Jahanian // Zero-length bitfields following non-bitfield members are ignored. 2197855a8e79f42e670b405b31efd3963f4d89732affFariborz Jahanian if (getASTContext().ZeroBitfieldFollowsNonBitfield((*i), LastFD)) { 219807a8a21c3376f3a2ee470bfa3549c6f3ac4e236dFariborz Jahanian ++i; 219907a8a21c3376f3a2ee470bfa3549c6f3ac4e236dFariborz Jahanian continue; 220007a8a21c3376f3a2ee470bfa3549c6f3ac4e236dFariborz Jahanian } 220107a8a21c3376f3a2ee470bfa3549c6f3ac4e236dFariborz Jahanian LastFD = (*i); 220207a8a21c3376f3a2ee470bfa3549c6f3ac4e236dFariborz Jahanian } 2203ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall ++i; 2204ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall ++index; 2205ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall } 2206ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 2207ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall CachedFieldIndex = index + 1; 2208ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall return index; 2209ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall} 2210ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 2211f2cf562cec11dec926c0a29a71769a27fed02962Abramo BagnaraSourceRange FieldDecl::getSourceRange() const { 2212d330e23f183cedb9e6c1cbb809407576f7bbab71Abramo Bagnara if (const Expr *E = InitializerOrBitWidth.getPointer()) 2213d330e23f183cedb9e6c1cbb809407576f7bbab71Abramo Bagnara return SourceRange(getInnerLocStart(), E->getLocEnd()); 2214a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara return DeclaratorDecl::getSourceRange(); 2215f2cf562cec11dec926c0a29a71769a27fed02962Abramo Bagnara} 2216f2cf562cec11dec926c0a29a71769a27fed02962Abramo Bagnara 22177a614d8380297fcd2bc23986241905d97222948cRichard Smithvoid FieldDecl::setInClassInitializer(Expr *Init) { 22187a614d8380297fcd2bc23986241905d97222948cRichard Smith assert(!InitializerOrBitWidth.getPointer() && 22197a614d8380297fcd2bc23986241905d97222948cRichard Smith "bit width or initializer already set"); 22207a614d8380297fcd2bc23986241905d97222948cRichard Smith InitializerOrBitWidth.setPointer(Init); 22217a614d8380297fcd2bc23986241905d97222948cRichard Smith InitializerOrBitWidth.setInt(0); 22227a614d8380297fcd2bc23986241905d97222948cRichard Smith} 22237a614d8380297fcd2bc23986241905d97222948cRichard Smith 22247783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 2225bcbffc46f1ad3796c4582fa1e3a9113b5aa26061Douglas Gregor// TagDecl Implementation 22264b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek//===----------------------------------------------------------------------===// 22274b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek 22281693e154bef16ca060b5e3786d8528ddc11f5637Douglas GregorSourceLocation TagDecl::getOuterLocStart() const { 22291693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor return getTemplateOrInnerLocStart(this); 22301693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor} 22311693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor 2232f602c8b6ce1a269c0bf8b3f049e923f4ea5c18e2Argyrios KyrtzidisSourceRange TagDecl::getSourceRange() const { 2233f602c8b6ce1a269c0bf8b3f049e923f4ea5c18e2Argyrios Kyrtzidis SourceLocation E = RBraceLoc.isValid() ? RBraceLoc : getLocation(); 22341693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor return SourceRange(getOuterLocStart(), E); 2235f602c8b6ce1a269c0bf8b3f049e923f4ea5c18e2Argyrios Kyrtzidis} 2236f602c8b6ce1a269c0bf8b3f049e923f4ea5c18e2Argyrios Kyrtzidis 2237b57a4fe73b8227c0dba651818b8495dfca61e530Argyrios KyrtzidisTagDecl* TagDecl::getCanonicalDecl() { 22388e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor return getFirstDeclaration(); 2239b57a4fe73b8227c0dba651818b8495dfca61e530Argyrios Kyrtzidis} 2240b57a4fe73b8227c0dba651818b8495dfca61e530Argyrios Kyrtzidis 2241162e1c1b487352434552147967c3dd296ebee2f7Richard Smithvoid TagDecl::setTypedefNameForAnonDecl(TypedefNameDecl *TDD) { 2242162e1c1b487352434552147967c3dd296ebee2f7Richard Smith TypedefNameDeclOrQualifier = TDD; 224360e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor if (TypeForDecl) 2244f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const_cast<Type*>(TypeForDecl)->ClearLinkageCache(); 2245381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor ClearLinkageCache(); 224660e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor} 224760e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 22480b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregorvoid TagDecl::startDefinition() { 2249ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl IsBeingDefined = true; 225086ff308724171494395a840fd2efbe25e62f352eJohn McCall 225186ff308724171494395a840fd2efbe25e62f352eJohn McCall if (isa<CXXRecordDecl>(this)) { 225286ff308724171494395a840fd2efbe25e62f352eJohn McCall CXXRecordDecl *D = cast<CXXRecordDecl>(this); 225386ff308724171494395a840fd2efbe25e62f352eJohn McCall struct CXXRecordDecl::DefinitionData *Data = 225486ff308724171494395a840fd2efbe25e62f352eJohn McCall new (getASTContext()) struct CXXRecordDecl::DefinitionData(D); 22552243288c4826905b5a0837f6f21d9d821688652eJohn McCall for (redecl_iterator I = redecls_begin(), E = redecls_end(); I != E; ++I) 22562243288c4826905b5a0837f6f21d9d821688652eJohn McCall cast<CXXRecordDecl>(*I)->DefinitionData = Data; 225786ff308724171494395a840fd2efbe25e62f352eJohn McCall } 22580b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor} 22590b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor 22600b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregorvoid TagDecl::completeDefinition() { 22615cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall assert((!isa<CXXRecordDecl>(this) || 22625cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall cast<CXXRecordDecl>(this)->hasDefinition()) && 22635cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall "definition completed but not started"); 22645cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall 22650b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor IsDefinition = true; 2266ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl IsBeingDefined = false; 2267565bf30bf5607b9740d288d8d9c45cf38ea75298Argyrios Kyrtzidis 2268565bf30bf5607b9740d288d8d9c45cf38ea75298Argyrios Kyrtzidis if (ASTMutationListener *L = getASTMutationListener()) 2269565bf30bf5607b9740d288d8d9c45cf38ea75298Argyrios Kyrtzidis L->CompletedTagDefinition(this); 22700b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor} 22710b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor 2272952b017601f9c82b51119c3a1600f1312a833db9Douglas GregorTagDecl* TagDecl::getDefinition() const { 22738e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor if (isDefinition()) 22748e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor return const_cast<TagDecl *>(this); 2275220a9c82dc76a83a7f930879bf176783866c0514Andrew Trick if (const CXXRecordDecl *CXXRD = dyn_cast<CXXRecordDecl>(this)) 2276220a9c82dc76a83a7f930879bf176783866c0514Andrew Trick return CXXRD->getDefinition(); 22771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (redecl_iterator R = redecls_begin(), REnd = redecls_end(); 22798e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor R != REnd; ++R) 22808e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor if (R->isDefinition()) 22818e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor return *R; 22821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22838e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor return 0; 22844b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek} 22854b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek 2286c22b5fff39a7520207f165fb16a27a34b944bd9cDouglas Gregorvoid TagDecl::setQualifierInfo(NestedNameSpecifierLoc QualifierLoc) { 2287c22b5fff39a7520207f165fb16a27a34b944bd9cDouglas Gregor if (QualifierLoc) { 2288b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Make sure the extended qualifier info is allocated. 2289b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (!hasExtInfo()) 2290162e1c1b487352434552147967c3dd296ebee2f7Richard Smith TypedefNameDeclOrQualifier = new (getASTContext()) ExtInfo; 2291b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Set qualifier info. 2292c22b5fff39a7520207f165fb16a27a34b944bd9cDouglas Gregor getExtInfo()->QualifierLoc = QualifierLoc; 22933060178ad9df29789505c1e6debcfc80a3a13587Chad Rosier } else { 2294b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Here Qualifier == 0, i.e., we are removing the qualifier (if any). 2295b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (hasExtInfo()) { 22967f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara if (getExtInfo()->NumTemplParamLists == 0) { 22977f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara getASTContext().Deallocate(getExtInfo()); 2298162e1c1b487352434552147967c3dd296ebee2f7Richard Smith TypedefNameDeclOrQualifier = (TypedefNameDecl*) 0; 22997f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara } 23007f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara else 23017f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara getExtInfo()->QualifierLoc = QualifierLoc; 2302b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall } 2303b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall } 2304b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall} 2305b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 23067f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnaravoid TagDecl::setTemplateParameterListsInfo(ASTContext &Context, 23077f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara unsigned NumTPLists, 23087f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara TemplateParameterList **TPLists) { 23097f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara assert(NumTPLists > 0); 23107f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara // Make sure the extended decl info is allocated. 23117f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara if (!hasExtInfo()) 23127f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara // Allocate external info struct. 2313162e1c1b487352434552147967c3dd296ebee2f7Richard Smith TypedefNameDeclOrQualifier = new (getASTContext()) ExtInfo; 23147f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara // Set the template parameter lists info. 23157f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara getExtInfo()->setTemplateParameterListsInfo(Context, NumTPLists, TPLists); 23167f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara} 23177f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara 23184b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek//===----------------------------------------------------------------------===// 23197783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl// EnumDecl Implementation 23207783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 23217783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 2322ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo BagnaraEnumDecl *EnumDecl::Create(ASTContext &C, DeclContext *DC, 2323ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara SourceLocation StartLoc, SourceLocation IdLoc, 2324ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara IdentifierInfo *Id, 2325a88cefd266c428be33cc06f7e8b00ff8fc97c1ffAbramo Bagnara EnumDecl *PrevDecl, bool IsScoped, 2326a88cefd266c428be33cc06f7e8b00ff8fc97c1ffAbramo Bagnara bool IsScopedUsingClassTag, bool IsFixed) { 2327ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara EnumDecl *Enum = new (C) EnumDecl(DC, StartLoc, IdLoc, Id, PrevDecl, 2328a88cefd266c428be33cc06f7e8b00ff8fc97c1ffAbramo Bagnara IsScoped, IsScopedUsingClassTag, IsFixed); 23297783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl C.getTypeDeclType(Enum, PrevDecl); 23307783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return Enum; 23317783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 23327783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 2333b8b03e6df1cc89e701a809c6a47c41f31b7a9e50Argyrios KyrtzidisEnumDecl *EnumDecl::Create(ASTContext &C, EmptyShell Empty) { 2334ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara return new (C) EnumDecl(0, SourceLocation(), SourceLocation(), 0, 0, 2335a88cefd266c428be33cc06f7e8b00ff8fc97c1ffAbramo Bagnara false, false, false); 2336b8b03e6df1cc89e701a809c6a47c41f31b7a9e50Argyrios Kyrtzidis} 2337b8b03e6df1cc89e701a809c6a47c41f31b7a9e50Argyrios Kyrtzidis 2338838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregorvoid EnumDecl::completeDefinition(QualType NewType, 23391b5a618c59025898806160ed5e7f0ff5bb79e482John McCall QualType NewPromotionType, 23401b5a618c59025898806160ed5e7f0ff5bb79e482John McCall unsigned NumPositiveBits, 23411b5a618c59025898806160ed5e7f0ff5bb79e482John McCall unsigned NumNegativeBits) { 23427783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl assert(!isDefinition() && "Cannot redefine enums!"); 23431274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor if (!IntegerType) 23441274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor IntegerType = NewType.getTypePtr(); 23457783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl PromotionType = NewPromotionType; 23461b5a618c59025898806160ed5e7f0ff5bb79e482John McCall setNumPositiveBits(NumPositiveBits); 23471b5a618c59025898806160ed5e7f0ff5bb79e482John McCall setNumNegativeBits(NumNegativeBits); 23487783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl TagDecl::completeDefinition(); 23497783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 23507783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 23517783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 23528a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner// RecordDecl Implementation 23538a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner//===----------------------------------------------------------------------===// 23545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2355ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo BagnaraRecordDecl::RecordDecl(Kind DK, TagKind TK, DeclContext *DC, 2356ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara SourceLocation StartLoc, SourceLocation IdLoc, 2357ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara IdentifierInfo *Id, RecordDecl *PrevDecl) 2358ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara : TagDecl(DK, TK, DC, IdLoc, Id, PrevDecl, StartLoc) { 23596359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek HasFlexibleArrayMember = false; 2360bcbffc46f1ad3796c4582fa1e3a9113b5aa26061Douglas Gregor AnonymousStructOrUnion = false; 2361082b02e8403d3ee9d2ded969fbe0e5d472f04cd8Fariborz Jahanian HasObjectMember = false; 2362eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis LoadedFieldsFromExternalStorage = false; 23636359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek assert(classof(static_cast<Decl*>(this)) && "Invalid Kind!"); 23646359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek} 23656359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek 23664ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadRecordDecl *RecordDecl::Create(const ASTContext &C, TagKind TK, DeclContext *DC, 2367ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara SourceLocation StartLoc, SourceLocation IdLoc, 2368ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara IdentifierInfo *Id, RecordDecl* PrevDecl) { 2369ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara RecordDecl* R = new (C) RecordDecl(Record, TK, DC, StartLoc, IdLoc, Id, 2370ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara PrevDecl); 23714b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek C.getTypeDeclType(R, PrevDecl); 23724b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek return R; 23736359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek} 23746359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek 23754ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadRecordDecl *RecordDecl::Create(const ASTContext &C, EmptyShell Empty) { 2376ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara return new (C) RecordDecl(Record, TTK_Struct, 0, SourceLocation(), 2377ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara SourceLocation(), 0, 0); 2378b8b03e6df1cc89e701a809c6a47c41f31b7a9e50Argyrios Kyrtzidis} 2379b8b03e6df1cc89e701a809c6a47c41f31b7a9e50Argyrios Kyrtzidis 2380c9b5b4074bd73d4af76e69cccf8ecd365fdd1008Douglas Gregorbool RecordDecl::isInjectedClassName() const { 23811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return isImplicit() && getDeclName() && getDeclContext()->isRecord() && 2382c9b5b4074bd73d4af76e69cccf8ecd365fdd1008Douglas Gregor cast<RecordDecl>(getDeclContext())->getDeclName() == getDeclName(); 2383c9b5b4074bd73d4af76e69cccf8ecd365fdd1008Douglas Gregor} 2384c9b5b4074bd73d4af76e69cccf8ecd365fdd1008Douglas Gregor 2385eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios KyrtzidisRecordDecl::field_iterator RecordDecl::field_begin() const { 2386eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis if (hasExternalLexicalStorage() && !LoadedFieldsFromExternalStorage) 2387eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis LoadFieldsFromExternalStorage(); 2388eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 2389eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis return field_iterator(decl_iterator(FirstDecl)); 2390eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis} 2391eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 2392da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor/// completeDefinition - Notes that the definition of this type is now 2393da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor/// complete. 2394da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregorvoid RecordDecl::completeDefinition() { 2395da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor assert(!isDefinition() && "Cannot redefine record!"); 2396da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor TagDecl::completeDefinition(); 2397da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor} 2398da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor 2399eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidisvoid RecordDecl::LoadFieldsFromExternalStorage() const { 2400eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis ExternalASTSource *Source = getASTContext().getExternalSource(); 2401eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis assert(hasExternalLexicalStorage() && Source && "No external storage?"); 2402eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 2403eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis // Notify that we have a RecordDecl doing some initialization. 2404eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis ExternalASTSource::Deserializing TheFields(Source); 2405eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 24065f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl*, 64> Decls; 2407ba6ffaf21e465c0926d7fc5fa294ea52f8d45fafDouglas Gregor LoadedFieldsFromExternalStorage = true; 2408ba6ffaf21e465c0926d7fc5fa294ea52f8d45fafDouglas Gregor switch (Source->FindExternalLexicalDeclsBy<FieldDecl>(this, Decls)) { 2409ba6ffaf21e465c0926d7fc5fa294ea52f8d45fafDouglas Gregor case ELR_Success: 2410ba6ffaf21e465c0926d7fc5fa294ea52f8d45fafDouglas Gregor break; 2411ba6ffaf21e465c0926d7fc5fa294ea52f8d45fafDouglas Gregor 2412ba6ffaf21e465c0926d7fc5fa294ea52f8d45fafDouglas Gregor case ELR_AlreadyLoaded: 2413ba6ffaf21e465c0926d7fc5fa294ea52f8d45fafDouglas Gregor case ELR_Failure: 2414eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis return; 2415ba6ffaf21e465c0926d7fc5fa294ea52f8d45fafDouglas Gregor } 2416eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 2417eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis#ifndef NDEBUG 2418eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis // Check that all decls we got were FieldDecls. 2419eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis for (unsigned i=0, e=Decls.size(); i != e; ++i) 2420eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis assert(isa<FieldDecl>(Decls[i])); 2421eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis#endif 2422eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 2423eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis if (Decls.empty()) 2424eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis return; 2425eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 2426eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis llvm::tie(FirstDecl, LastDecl) = BuildDeclChain(Decls); 2427eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis} 2428eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 242956ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff//===----------------------------------------------------------------------===// 243056ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff// BlockDecl Implementation 243156ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff//===----------------------------------------------------------------------===// 243256ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff 2433838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregorvoid BlockDecl::setParams(ParmVarDecl **NewParamInfo, 2434e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff unsigned NParms) { 2435e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff assert(ParamInfo == 0 && "Already has param info!"); 24361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2437e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff // Zero params -> null pointer. 2438e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff if (NParms) { 2439e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff NumParams = NParms; 2440838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor void *Mem = getASTContext().Allocate(sizeof(ParmVarDecl*)*NumParams); 2441e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff ParamInfo = new (Mem) ParmVarDecl*[NumParams]; 2442e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff memcpy(ParamInfo, NewParamInfo, sizeof(ParmVarDecl*)*NumParams); 2443e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff } 2444e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff} 2445e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff 24466b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCallvoid BlockDecl::setCaptures(ASTContext &Context, 24476b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall const Capture *begin, 24486b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall const Capture *end, 24496b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall bool capturesCXXThis) { 2450469a1eb996e1cb0be54f9b210f836afbddcbb2ccJohn McCall CapturesCXXThis = capturesCXXThis; 2451469a1eb996e1cb0be54f9b210f836afbddcbb2ccJohn McCall 2452469a1eb996e1cb0be54f9b210f836afbddcbb2ccJohn McCall if (begin == end) { 24536b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall NumCaptures = 0; 24546b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall Captures = 0; 2455469a1eb996e1cb0be54f9b210f836afbddcbb2ccJohn McCall return; 2456469a1eb996e1cb0be54f9b210f836afbddcbb2ccJohn McCall } 2457469a1eb996e1cb0be54f9b210f836afbddcbb2ccJohn McCall 24586b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall NumCaptures = end - begin; 24596b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall 24606b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall // Avoid new Capture[] because we don't want to provide a default 24616b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall // constructor. 24626b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall size_t allocationSize = NumCaptures * sizeof(Capture); 24636b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall void *buffer = Context.Allocate(allocationSize, /*alignment*/sizeof(void*)); 24646b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall memcpy(buffer, begin, allocationSize); 24656b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall Captures = static_cast<Capture*>(buffer); 2466e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff} 24677783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 2468204e13395d83524e9a557c3f3fd6df2e2f353b9dJohn McCallbool BlockDecl::capturesVariable(const VarDecl *variable) const { 2469204e13395d83524e9a557c3f3fd6df2e2f353b9dJohn McCall for (capture_const_iterator 2470204e13395d83524e9a557c3f3fd6df2e2f353b9dJohn McCall i = capture_begin(), e = capture_end(); i != e; ++i) 2471204e13395d83524e9a557c3f3fd6df2e2f353b9dJohn McCall // Only auto vars can be captured, so no redeclaration worries. 2472204e13395d83524e9a557c3f3fd6df2e2f353b9dJohn McCall if (i->getVariable() == variable) 2473204e13395d83524e9a557c3f3fd6df2e2f353b9dJohn McCall return true; 2474204e13395d83524e9a557c3f3fd6df2e2f353b9dJohn McCall 2475204e13395d83524e9a557c3f3fd6df2e2f353b9dJohn McCall return false; 2476204e13395d83524e9a557c3f3fd6df2e2f353b9dJohn McCall} 2477204e13395d83524e9a557c3f3fd6df2e2f353b9dJohn McCall 24782fcbceff97e065cff499e6cc563ca25c762bf547Douglas GregorSourceRange BlockDecl::getSourceRange() const { 24792fcbceff97e065cff499e6cc563ca25c762bf547Douglas Gregor return SourceRange(getLocation(), Body? Body->getLocEnd() : getLocation()); 24802fcbceff97e065cff499e6cc563ca25c762bf547Douglas Gregor} 24817783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 24827783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 24837783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl// Other Decl Allocation/Deallocation Method Implementations 24847783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 24857783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 24867783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlTranslationUnitDecl *TranslationUnitDecl::Create(ASTContext &C) { 24877783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) TranslationUnitDecl(C); 24887783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 24897783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 2490ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris LattnerLabelDecl *LabelDecl::Create(ASTContext &C, DeclContext *DC, 24916784304db526cde59046d613c4175ce2caf93e44Abramo Bagnara SourceLocation IdentL, IdentifierInfo *II) { 24926784304db526cde59046d613c4175ce2caf93e44Abramo Bagnara return new (C) LabelDecl(DC, IdentL, II, 0, IdentL); 24936784304db526cde59046d613c4175ce2caf93e44Abramo Bagnara} 24946784304db526cde59046d613c4175ce2caf93e44Abramo Bagnara 24956784304db526cde59046d613c4175ce2caf93e44Abramo BagnaraLabelDecl *LabelDecl::Create(ASTContext &C, DeclContext *DC, 24966784304db526cde59046d613c4175ce2caf93e44Abramo Bagnara SourceLocation IdentL, IdentifierInfo *II, 24976784304db526cde59046d613c4175ce2caf93e44Abramo Bagnara SourceLocation GnuLabelL) { 24986784304db526cde59046d613c4175ce2caf93e44Abramo Bagnara assert(GnuLabelL != IdentL && "Use this only for GNU local labels"); 24996784304db526cde59046d613c4175ce2caf93e44Abramo Bagnara return new (C) LabelDecl(DC, IdentL, II, 0, GnuLabelL); 2500ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner} 2501ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner 2502ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner 25037783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlNamespaceDecl *NamespaceDecl::Create(ASTContext &C, DeclContext *DC, 2504acba90f30876b4140b738f0d3dd0e50724053a96Abramo Bagnara SourceLocation StartLoc, 2505acba90f30876b4140b738f0d3dd0e50724053a96Abramo Bagnara SourceLocation IdLoc, IdentifierInfo *Id) { 2506acba90f30876b4140b738f0d3dd0e50724053a96Abramo Bagnara return new (C) NamespaceDecl(DC, StartLoc, IdLoc, Id); 25077783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 25087783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 250906c919300ce39e50ed7f6dff5025c8ed96dcf221Douglas GregorNamespaceDecl *NamespaceDecl::getNextNamespace() { 251006c919300ce39e50ed7f6dff5025c8ed96dcf221Douglas Gregor return dyn_cast_or_null<NamespaceDecl>( 251106c919300ce39e50ed7f6dff5025c8ed96dcf221Douglas Gregor NextNamespace.get(getASTContext().getExternalSource())); 251206c919300ce39e50ed7f6dff5025c8ed96dcf221Douglas Gregor} 251306c919300ce39e50ed7f6dff5025c8ed96dcf221Douglas Gregor 25147783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlImplicitParamDecl *ImplicitParamDecl::Create(ASTContext &C, DeclContext *DC, 2515ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation IdLoc, 2516ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara IdentifierInfo *Id, 2517ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara QualType Type) { 2518ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara return new (C) ImplicitParamDecl(DC, IdLoc, Id, Type); 25197783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 25207783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 25217783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlFunctionDecl *FunctionDecl::Create(ASTContext &C, DeclContext *DC, 2522ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation StartLoc, 25232577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 25242577743c5650c646fb705df01403707e94f2df04Abramo Bagnara QualType T, TypeSourceInfo *TInfo, 2525ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara StorageClass SC, StorageClass SCAsWritten, 25268f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor bool isInlineSpecified, 2527af1fc7af351758b0ea0d285bdfe5640128109a4eRichard Smith bool hasWrittenPrototype, 2528af1fc7af351758b0ea0d285bdfe5640128109a4eRichard Smith bool isConstexprSpecified) { 2529ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara FunctionDecl *New = new (C) FunctionDecl(Function, DC, StartLoc, NameInfo, 2530ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara T, TInfo, SC, SCAsWritten, 2531af1fc7af351758b0ea0d285bdfe5640128109a4eRichard Smith isInlineSpecified, 2532af1fc7af351758b0ea0d285bdfe5640128109a4eRichard Smith isConstexprSpecified); 25337783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl New->HasWrittenPrototype = hasWrittenPrototype; 25347783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return New; 25357783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 25367783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 25377783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlBlockDecl *BlockDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L) { 25387783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) BlockDecl(DC, L); 25397783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 25407783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 25417783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlEnumConstantDecl *EnumConstantDecl::Create(ASTContext &C, EnumDecl *CD, 25427783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl SourceLocation L, 25437783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl IdentifierInfo *Id, QualType T, 25447783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl Expr *E, const llvm::APSInt &V) { 25457783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) EnumConstantDecl(CD, L, Id, T, E, V); 25467783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 25477783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 2548d98114647e16796a976b04af79975b4f0eacf22bBenjamin KramerIndirectFieldDecl * 2549d98114647e16796a976b04af79975b4f0eacf22bBenjamin KramerIndirectFieldDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L, 2550d98114647e16796a976b04af79975b4f0eacf22bBenjamin Kramer IdentifierInfo *Id, QualType T, NamedDecl **CH, 2551d98114647e16796a976b04af79975b4f0eacf22bBenjamin Kramer unsigned CHS) { 255287c2e121cf0522fc266efe2922b58091cd2e0182Francois Pichet return new (C) IndirectFieldDecl(DC, L, Id, T, CH, CHS); 255387c2e121cf0522fc266efe2922b58091cd2e0182Francois Pichet} 255487c2e121cf0522fc266efe2922b58091cd2e0182Francois Pichet 25558e7139c9554230df64325f70fe202c83491ba7f5Douglas GregorSourceRange EnumConstantDecl::getSourceRange() const { 25568e7139c9554230df64325f70fe202c83491ba7f5Douglas Gregor SourceLocation End = getLocation(); 25578e7139c9554230df64325f70fe202c83491ba7f5Douglas Gregor if (Init) 25588e7139c9554230df64325f70fe202c83491ba7f5Douglas Gregor End = Init->getLocEnd(); 25598e7139c9554230df64325f70fe202c83491ba7f5Douglas Gregor return SourceRange(getLocation(), End); 25608e7139c9554230df64325f70fe202c83491ba7f5Douglas Gregor} 25618e7139c9554230df64325f70fe202c83491ba7f5Douglas Gregor 25627783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlTypedefDecl *TypedefDecl::Create(ASTContext &C, DeclContext *DC, 2563344577e6b58f42d18dc8118c8903b49a85dc005eAbramo Bagnara SourceLocation StartLoc, SourceLocation IdLoc, 2564344577e6b58f42d18dc8118c8903b49a85dc005eAbramo Bagnara IdentifierInfo *Id, TypeSourceInfo *TInfo) { 2565344577e6b58f42d18dc8118c8903b49a85dc005eAbramo Bagnara return new (C) TypedefDecl(DC, StartLoc, IdLoc, Id, TInfo); 25667783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 25677783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 2568162e1c1b487352434552147967c3dd296ebee2f7Richard SmithTypeAliasDecl *TypeAliasDecl::Create(ASTContext &C, DeclContext *DC, 2569162e1c1b487352434552147967c3dd296ebee2f7Richard Smith SourceLocation StartLoc, 2570162e1c1b487352434552147967c3dd296ebee2f7Richard Smith SourceLocation IdLoc, IdentifierInfo *Id, 2571162e1c1b487352434552147967c3dd296ebee2f7Richard Smith TypeSourceInfo *TInfo) { 2572162e1c1b487352434552147967c3dd296ebee2f7Richard Smith return new (C) TypeAliasDecl(DC, StartLoc, IdLoc, Id, TInfo); 2573162e1c1b487352434552147967c3dd296ebee2f7Richard Smith} 2574162e1c1b487352434552147967c3dd296ebee2f7Richard Smith 2575a2026c96d3935e7909e049ad9096762844544ed6Abramo BagnaraSourceRange TypedefDecl::getSourceRange() const { 2576a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara SourceLocation RangeEnd = getLocation(); 2577a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara if (TypeSourceInfo *TInfo = getTypeSourceInfo()) { 2578a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara if (typeIsPostfix(TInfo->getType())) 2579a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara RangeEnd = TInfo->getTypeLoc().getSourceRange().getEnd(); 2580a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara } 2581a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara return SourceRange(getLocStart(), RangeEnd); 2582a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara} 2583a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara 2584162e1c1b487352434552147967c3dd296ebee2f7Richard SmithSourceRange TypeAliasDecl::getSourceRange() const { 2585162e1c1b487352434552147967c3dd296ebee2f7Richard Smith SourceLocation RangeEnd = getLocStart(); 2586162e1c1b487352434552147967c3dd296ebee2f7Richard Smith if (TypeSourceInfo *TInfo = getTypeSourceInfo()) 2587162e1c1b487352434552147967c3dd296ebee2f7Richard Smith RangeEnd = TInfo->getTypeLoc().getSourceRange().getEnd(); 2588162e1c1b487352434552147967c3dd296ebee2f7Richard Smith return SourceRange(getLocStart(), RangeEnd); 2589162e1c1b487352434552147967c3dd296ebee2f7Richard Smith} 2590162e1c1b487352434552147967c3dd296ebee2f7Richard Smith 25917783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlFileScopeAsmDecl *FileScopeAsmDecl::Create(ASTContext &C, DeclContext *DC, 259221e006e51a7f9889f55f5bc7b3ca8b50d17571ecAbramo Bagnara StringLiteral *Str, 259321e006e51a7f9889f55f5bc7b3ca8b50d17571ecAbramo Bagnara SourceLocation AsmLoc, 259421e006e51a7f9889f55f5bc7b3ca8b50d17571ecAbramo Bagnara SourceLocation RParenLoc) { 259521e006e51a7f9889f55f5bc7b3ca8b50d17571ecAbramo Bagnara return new (C) FileScopeAsmDecl(DC, Str, AsmLoc, RParenLoc); 25967783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 2597