Decl.cpp revision 750dc2b16fffa579f96ad053f061976a15ed4665
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" 2715de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor#include "clang/Basic/Module.h" 28465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara#include "clang/Basic/Specifiers.h" 294421d2b341d041df44013769f23c306308bbab83Douglas Gregor#include "clang/Basic/TargetInfo.h" 30f1bbbb49f06a7462476cd88166fccda5feb15cabJohn McCall#include "llvm/Support/ErrorHandling.h" 3127f8a28bee33bb0e857cfe1a61c281bbc234b338Ted Kremenek 324278c654b645402554eb52a48e9c7097c9f1233aDavid Blaikie#include <algorithm> 334278c654b645402554eb52a48e9c7097c9f1233aDavid Blaikie 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 36d3b9065ec7052ec4741783d2fb4130d13c766933Chris Lattner//===----------------------------------------------------------------------===// 374afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor// NamedDecl Implementation 385239304ff761b8b03eefb772bd5d830a9b9f1aeaArgyrios Kyrtzidis//===----------------------------------------------------------------------===// 395239304ff761b8b03eefb772bd5d830a9b9f1aeaArgyrios Kyrtzidis 404421d2b341d041df44013769f23c306308bbab83Douglas Gregorstatic llvm::Optional<Visibility> getVisibilityOf(const Decl *D) { 414421d2b341d041df44013769f23c306308bbab83Douglas Gregor // If this declaration has an explicit visibility attribute, use it. 424421d2b341d041df44013769f23c306308bbab83Douglas Gregor if (const VisibilityAttr *A = D->getAttr<VisibilityAttr>()) { 434421d2b341d041df44013769f23c306308bbab83Douglas Gregor switch (A->getVisibility()) { 444421d2b341d041df44013769f23c306308bbab83Douglas Gregor case VisibilityAttr::Default: 454421d2b341d041df44013769f23c306308bbab83Douglas Gregor return DefaultVisibility; 464421d2b341d041df44013769f23c306308bbab83Douglas Gregor case VisibilityAttr::Hidden: 474421d2b341d041df44013769f23c306308bbab83Douglas Gregor return HiddenVisibility; 484421d2b341d041df44013769f23c306308bbab83Douglas Gregor case VisibilityAttr::Protected: 494421d2b341d041df44013769f23c306308bbab83Douglas Gregor return ProtectedVisibility; 504421d2b341d041df44013769f23c306308bbab83Douglas Gregor } 517f1b98760d419a09b2261c1ef901f6bc1ff33e19John McCall 524421d2b341d041df44013769f23c306308bbab83Douglas Gregor return DefaultVisibility; 53e7bc9722c807030409178d4af8ce8d1260bbd821John McCall } 547f1b98760d419a09b2261c1ef901f6bc1ff33e19John McCall 554421d2b341d041df44013769f23c306308bbab83Douglas Gregor // If we're on Mac OS X, an 'availability' for Mac OS X attribute 564421d2b341d041df44013769f23c306308bbab83Douglas Gregor // implies visibility(default). 57bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor if (D->getASTContext().getTargetInfo().getTriple().isOSDarwin()) { 584421d2b341d041df44013769f23c306308bbab83Douglas Gregor for (specific_attr_iterator<AvailabilityAttr> 594421d2b341d041df44013769f23c306308bbab83Douglas Gregor A = D->specific_attr_begin<AvailabilityAttr>(), 604421d2b341d041df44013769f23c306308bbab83Douglas Gregor AEnd = D->specific_attr_end<AvailabilityAttr>(); 614421d2b341d041df44013769f23c306308bbab83Douglas Gregor A != AEnd; ++A) 624421d2b341d041df44013769f23c306308bbab83Douglas Gregor if ((*A)->getPlatform()->getName().equals("macosx")) 634421d2b341d041df44013769f23c306308bbab83Douglas Gregor return DefaultVisibility; 641fb0caaa7bef765b85972274e3b434af2572c141John McCall } 654421d2b341d041df44013769f23c306308bbab83Douglas Gregor 664421d2b341d041df44013769f23c306308bbab83Douglas Gregor return llvm::Optional<Visibility>(); 671fb0caaa7bef765b85972274e3b434af2572c141John McCall} 681fb0caaa7bef765b85972274e3b434af2572c141John McCall 69af14603ca61757cf4361b583b45639a04c57e651John McCalltypedef NamedDecl::LinkageInfo LinkageInfo; 70af14603ca61757cf4361b583b45639a04c57e651John McCall 71752c2e930a3ec30b5e338845fd5e7baae532ee69Benjamin Kramernamespace { 723698748400478880d2a146ef9eaa111cd0e60522John McCall/// Flags controlling the computation of linkage and visibility. 733698748400478880d2a146ef9eaa111cd0e60522John McCallstruct LVFlags { 743698748400478880d2a146ef9eaa111cd0e60522John McCall bool ConsiderGlobalVisibility; 753698748400478880d2a146ef9eaa111cd0e60522John McCall bool ConsiderVisibilityAttributes; 761a0918ade0a3490c7aff243f9cd519156dfcb0bdJohn McCall bool ConsiderTemplateParameterTypes; 773698748400478880d2a146ef9eaa111cd0e60522John McCall 783698748400478880d2a146ef9eaa111cd0e60522John McCall LVFlags() : ConsiderGlobalVisibility(true), 791a0918ade0a3490c7aff243f9cd519156dfcb0bdJohn McCall ConsiderVisibilityAttributes(true), 801a0918ade0a3490c7aff243f9cd519156dfcb0bdJohn McCall ConsiderTemplateParameterTypes(true) { 813698748400478880d2a146ef9eaa111cd0e60522John McCall } 823698748400478880d2a146ef9eaa111cd0e60522John McCall 83381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor /// \brief Returns a set of flags that is only useful for computing the 84381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor /// linkage, not the visibility, of a declaration. 85381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor static LVFlags CreateOnlyDeclLinkage() { 86381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor LVFlags F; 87381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor F.ConsiderGlobalVisibility = false; 88381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor F.ConsiderVisibilityAttributes = false; 891a0918ade0a3490c7aff243f9cd519156dfcb0bdJohn McCall F.ConsiderTemplateParameterTypes = false; 90381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor return F; 91381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor } 92381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor 933698748400478880d2a146ef9eaa111cd0e60522John McCall /// Returns a set of flags, otherwise based on these, which ignores 943698748400478880d2a146ef9eaa111cd0e60522John McCall /// off all sources of visibility except template arguments. 953698748400478880d2a146ef9eaa111cd0e60522John McCall LVFlags onlyTemplateVisibility() const { 963698748400478880d2a146ef9eaa111cd0e60522John McCall LVFlags F = *this; 973698748400478880d2a146ef9eaa111cd0e60522John McCall F.ConsiderGlobalVisibility = false; 983698748400478880d2a146ef9eaa111cd0e60522John McCall F.ConsiderVisibilityAttributes = false; 991a0918ade0a3490c7aff243f9cd519156dfcb0bdJohn McCall F.ConsiderTemplateParameterTypes = false; 1003698748400478880d2a146ef9eaa111cd0e60522John McCall return F; 1013698748400478880d2a146ef9eaa111cd0e60522John McCall } 10289d63e5e4f4423455f7ee6b1e85143c34d088128Douglas Gregor}; 103752c2e930a3ec30b5e338845fd5e7baae532ee69Benjamin Kramer} // end anonymous namespace 1043698748400478880d2a146ef9eaa111cd0e60522John McCall 105093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindolastatic LinkageInfo getLVForType(QualType T) { 106093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola std::pair<Linkage,Visibility> P = T->getLinkageAndVisibility(); 107093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola return LinkageInfo(P.first, P.second, T->isVisibilityExplicit()); 108093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola} 109093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola 1100b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor/// \brief Get the most restrictive linkage for the types in the given 1110b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor/// template parameter list. 112093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindolastatic LinkageInfo 1131fb0caaa7bef765b85972274e3b434af2572c141John McCallgetLVForTemplateParameterList(const TemplateParameterList *Params) { 114093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola LinkageInfo LV(ExternalLinkage, DefaultVisibility, false); 1150b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor for (TemplateParameterList::const_iterator P = Params->begin(), 1160b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor PEnd = Params->end(); 1170b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor P != PEnd; ++P) { 1186952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor if (NonTypeTemplateParmDecl *NTTP = dyn_cast<NonTypeTemplateParmDecl>(*P)) { 1196952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor if (NTTP->isExpandedParameterPack()) { 1206952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor for (unsigned I = 0, N = NTTP->getNumExpansionTypes(); I != N; ++I) { 1216952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor QualType T = NTTP->getExpansionType(I); 1226952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor if (!T->isDependentType()) 123093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola LV.merge(getLVForType(T)); 1246952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor } 1256952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor continue; 1266952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor } 127b5d763d87c8ffb969b4d4a59ed98a2e3516e0850Rafael Espindola 1280b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (!NTTP->getType()->isDependentType()) { 129093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola LV.merge(getLVForType(NTTP->getType())); 1300b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor continue; 1310b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 1326952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor } 1330b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1340b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (TemplateTemplateParmDecl *TTP 1350b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor = dyn_cast<TemplateTemplateParmDecl>(*P)) { 136093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola LV.merge(getLVForTemplateParameterList(TTP->getTemplateParameters())); 1370b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 1380b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 1390b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1401fb0caaa7bef765b85972274e3b434af2572c141John McCall return LV; 1410b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor} 1420b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 143381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor/// getLVForDecl - Get the linkage and visibility for the given declaration. 144381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregorstatic LinkageInfo getLVForDecl(const NamedDecl *D, LVFlags F); 145381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor 1460b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor/// \brief Get the most restrictive linkage for the types and 1470b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor/// declarations in the given template argument list. 148093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindolastatic LinkageInfo getLVForTemplateArgumentList(const TemplateArgument *Args, 149093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola unsigned NumArgs, 150093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola LVFlags &F) { 151093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola LinkageInfo LV(ExternalLinkage, DefaultVisibility, false); 1520b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1530b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor for (unsigned I = 0; I != NumArgs; ++I) { 1540b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor switch (Args[I].getKind()) { 1550b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Null: 1560b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Integral: 1570b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Expression: 1580b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor break; 159b5d763d87c8ffb969b4d4a59ed98a2e3516e0850Rafael Espindola 1600b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Type: 161093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola LV.merge(getLVForType(Args[I].getAsType())); 1620b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor break; 1630b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1640b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Declaration: 1651fb0caaa7bef765b85972274e3b434af2572c141John McCall // The decl can validly be null as the representation of nullptr 1661fb0caaa7bef765b85972274e3b434af2572c141John McCall // arguments, valid only in C++0x. 1671fb0caaa7bef765b85972274e3b434af2572c141John McCall if (Decl *D = Args[I].getAsDecl()) { 16889d63e5e4f4423455f7ee6b1e85143c34d088128Douglas Gregor if (NamedDecl *ND = dyn_cast<NamedDecl>(D)) 16989d63e5e4f4423455f7ee6b1e85143c34d088128Douglas Gregor LV = merge(LV, getLVForDecl(ND, F)); 1701fb0caaa7bef765b85972274e3b434af2572c141John McCall } 1710b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor break; 1720b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1730b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Template: 174a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor case TemplateArgument::TemplateExpansion: 175b5d763d87c8ffb969b4d4a59ed98a2e3516e0850Rafael Espindola if (TemplateDecl *Template 176a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor = Args[I].getAsTemplateOrTemplatePattern().getAsTemplateDecl()) 177093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola LV.merge(getLVForDecl(Template, F)); 1780b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor break; 1790b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1800b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Pack: 181093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola LV.merge(getLVForTemplateArgumentList(Args[I].pack_begin(), 182093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola Args[I].pack_size(), 183093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola F)); 1840b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor break; 1850b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 1860b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 1870b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1881fb0caaa7bef765b85972274e3b434af2572c141John McCall return LV; 1890b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor} 1900b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 191093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindolastatic LinkageInfo 192381d34e0b205ca27bcc7e7c1652561941c437965Douglas GregorgetLVForTemplateArgumentList(const TemplateArgumentList &TArgs, 193381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor LVFlags &F) { 194381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor return getLVForTemplateArgumentList(TArgs.data(), TArgs.size(), F); 1953cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall} 1963cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall 1976ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCallstatic bool shouldConsiderTemplateLV(const FunctionDecl *fn, 1986ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall const FunctionTemplateSpecializationInfo *spec) { 1996ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall return !(spec->isExplicitSpecialization() && 2006ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall fn->hasAttr<VisibilityAttr>()); 2016ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall} 2026ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall 2036ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCallstatic bool shouldConsiderTemplateLV(const ClassTemplateSpecializationDecl *d) { 2046ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall return !(d->isExplicitSpecialization() && d->hasAttr<VisibilityAttr>()); 2056ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall} 2066ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall 2073698748400478880d2a146ef9eaa111cd0e60522John McCallstatic LinkageInfo getLVForNamespaceScopeDecl(const NamedDecl *D, LVFlags F) { 2087a126a474fdde06382b315b4e3d8ef0a21d4dc31Sebastian Redl assert(D->getDeclContext()->getRedeclContext()->isFileContext() && 209d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor "Not a name having namespace scope"); 210d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor ASTContext &Context = D->getASTContext(); 211d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 212d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C++ [basic.link]p3: 213d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // A name having namespace scope (3.3.6) has internal linkage if it 214d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // is the name of 215d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - an object, reference, function or function template that is 216d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // explicitly declared static; or, 217d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // (This bullet corresponds to C99 6.2.2p3.) 218d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const VarDecl *Var = dyn_cast<VarDecl>(D)) { 219d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // Explicitly declared static. 220d931b086984257de68868a64a235c2b4b34003fbJohn McCall if (Var->getStorageClass() == SC_Static) 221af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::internal(); 222d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 223d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - an object or reference that is explicitly declared const 224d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // and neither explicitly declared extern nor previously 225d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // declared to have external linkage; or 226d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // (there is no equivalent in C99) 227d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (Context.getLangOptions().CPlusPlus && 228e9d6554ba78fb81e810fdaec9b2c98ab96526e83Eli Friedman Var->getType().isConstant(Context) && 229d931b086984257de68868a64a235c2b4b34003fbJohn McCall Var->getStorageClass() != SC_Extern && 230d931b086984257de68868a64a235c2b4b34003fbJohn McCall Var->getStorageClass() != SC_PrivateExtern) { 231d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor bool FoundExtern = false; 232ef96ee0be5f100789f451641542a69cd719144d2Douglas Gregor for (const VarDecl *PrevVar = Var->getPreviousDecl(); 233d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor PrevVar && !FoundExtern; 234ef96ee0be5f100789f451641542a69cd719144d2Douglas Gregor PrevVar = PrevVar->getPreviousDecl()) 2350b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (isExternalLinkage(PrevVar->getLinkage())) 236d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor FoundExtern = true; 237d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 238d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (!FoundExtern) 239af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::internal(); 240d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 241c7c9058f4977ef4584d68718e23f34504b150ef4Fariborz Jahanian if (Var->getStorageClass() == SC_None) { 242ef96ee0be5f100789f451641542a69cd719144d2Douglas Gregor const VarDecl *PrevVar = Var->getPreviousDecl(); 243ef96ee0be5f100789f451641542a69cd719144d2Douglas Gregor for (; PrevVar; PrevVar = PrevVar->getPreviousDecl()) 244c7c9058f4977ef4584d68718e23f34504b150ef4Fariborz Jahanian if (PrevVar->getStorageClass() == SC_PrivateExtern) 245c7c9058f4977ef4584d68718e23f34504b150ef4Fariborz Jahanian break; 246c7c9058f4977ef4584d68718e23f34504b150ef4Fariborz Jahanian if (PrevVar) 247c7c9058f4977ef4584d68718e23f34504b150ef4Fariborz Jahanian return PrevVar->getLinkageAndVisibility(); 248c7c9058f4977ef4584d68718e23f34504b150ef4Fariborz Jahanian } 249d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } else if (isa<FunctionDecl>(D) || isa<FunctionTemplateDecl>(D)) { 2500b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor // C++ [temp]p4: 2510b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor // A non-member function template can have internal linkage; any 2520b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor // other template name shall have external linkage. 253d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor const FunctionDecl *Function = 0; 254d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const FunctionTemplateDecl *FunTmpl 255d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor = dyn_cast<FunctionTemplateDecl>(D)) 256d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor Function = FunTmpl->getTemplatedDecl(); 257d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor else 258d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor Function = cast<FunctionDecl>(D); 259d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 260d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // Explicitly declared static. 261d931b086984257de68868a64a235c2b4b34003fbJohn McCall if (Function->getStorageClass() == SC_Static) 262af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo(InternalLinkage, DefaultVisibility, false); 263d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } else if (const FieldDecl *Field = dyn_cast<FieldDecl>(D)) { 264d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - a data member of an anonymous union. 265d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (cast<RecordDecl>(Field->getDeclContext())->isAnonymousStructOrUnion()) 266af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::internal(); 267d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 268d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 269094b64336495496ca29bc1e4774f5e2ceed79096Chandler Carruth if (D->isInAnonymousNamespace()) { 270094b64336495496ca29bc1e4774f5e2ceed79096Chandler Carruth const VarDecl *Var = dyn_cast<VarDecl>(D); 271094b64336495496ca29bc1e4774f5e2ceed79096Chandler Carruth const FunctionDecl *Func = dyn_cast<FunctionDecl>(D); 272750dc2b16fffa579f96ad053f061976a15ed4665Eli Friedman if ((!Var || !Var->getDeclContext()->isExternCContext()) && 273750dc2b16fffa579f96ad053f061976a15ed4665Eli Friedman (!Func || !Func->getDeclContext()->isExternCContext())) 274094b64336495496ca29bc1e4774f5e2ceed79096Chandler Carruth return LinkageInfo::uniqueExternal(); 275094b64336495496ca29bc1e4774f5e2ceed79096Chandler Carruth } 276e7bc9722c807030409178d4af8ce8d1260bbd821John McCall 2771fb0caaa7bef765b85972274e3b434af2572c141John McCall // Set up the defaults. 2781fb0caaa7bef765b85972274e3b434af2572c141John McCall 2791fb0caaa7bef765b85972274e3b434af2572c141John McCall // C99 6.2.2p5: 2801fb0caaa7bef765b85972274e3b434af2572c141John McCall // If the declaration of an identifier for an object has file 2811fb0caaa7bef765b85972274e3b434af2572c141John McCall // scope and no storage-class specifier, its linkage is 2821fb0caaa7bef765b85972274e3b434af2572c141John McCall // external. 283af14603ca61757cf4361b583b45639a04c57e651John McCall LinkageInfo LV; 284af14603ca61757cf4361b583b45639a04c57e651John McCall 2853698748400478880d2a146ef9eaa111cd0e60522John McCall if (F.ConsiderVisibilityAttributes) { 2864421d2b341d041df44013769f23c306308bbab83Douglas Gregor if (llvm::Optional<Visibility> Vis = D->getExplicitVisibility()) { 2874421d2b341d041df44013769f23c306308bbab83Douglas Gregor LV.setVisibility(*Vis, true); 2883698748400478880d2a146ef9eaa111cd0e60522John McCall F.ConsiderGlobalVisibility = false; 28990f1450c109fbbd333001165bbd986061f7c4513John McCall } else { 29090f1450c109fbbd333001165bbd986061f7c4513John McCall // If we're declared in a namespace with a visibility attribute, 29190f1450c109fbbd333001165bbd986061f7c4513John McCall // use that namespace's visibility, but don't call it explicit. 29290f1450c109fbbd333001165bbd986061f7c4513John McCall for (const DeclContext *DC = D->getDeclContext(); 29390f1450c109fbbd333001165bbd986061f7c4513John McCall !isa<TranslationUnitDecl>(DC); 29490f1450c109fbbd333001165bbd986061f7c4513John McCall DC = DC->getParent()) { 2956f26b5eeb4cf130b2602bdc93597da4f3419e7e5Rafael Espindola const NamespaceDecl *ND = dyn_cast<NamespaceDecl>(DC); 2966f26b5eeb4cf130b2602bdc93597da4f3419e7e5Rafael Espindola if (!ND) continue; 2976f26b5eeb4cf130b2602bdc93597da4f3419e7e5Rafael Espindola if (llvm::Optional<Visibility> Vis = ND->getExplicitVisibility()) { 29871cb8a2e10c3f75ca50e2b4f205cbd4cec40ad5eRafael Espindola LV.setVisibility(*Vis, true); 29990f1450c109fbbd333001165bbd986061f7c4513John McCall F.ConsiderGlobalVisibility = false; 30090f1450c109fbbd333001165bbd986061f7c4513John McCall break; 30190f1450c109fbbd333001165bbd986061f7c4513John McCall } 30290f1450c109fbbd333001165bbd986061f7c4513John McCall } 3033698748400478880d2a146ef9eaa111cd0e60522John McCall } 304af14603ca61757cf4361b583b45639a04c57e651John McCall } 3051fb0caaa7bef765b85972274e3b434af2572c141John McCall 306d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C++ [basic.link]p4: 3071fb0caaa7bef765b85972274e3b434af2572c141John McCall 308d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // A name having namespace scope has external linkage if it is the 309d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // name of 310d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // 311d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - an object or reference, unless it has internal linkage; or 312d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const VarDecl *Var = dyn_cast<VarDecl>(D)) { 313110e8e56af30363072c140285961592b0107f789John McCall // GCC applies the following optimization to variables and static 314110e8e56af30363072c140285961592b0107f789John McCall // data members, but not to functions: 315110e8e56af30363072c140285961592b0107f789John McCall // 3161fb0caaa7bef765b85972274e3b434af2572c141John McCall // Modify the variable's LV by the LV of its type unless this is 3171fb0caaa7bef765b85972274e3b434af2572c141John McCall // C or extern "C". This follows from [basic.link]p9: 3181fb0caaa7bef765b85972274e3b434af2572c141John McCall // A type without linkage shall not be used as the type of a 3191fb0caaa7bef765b85972274e3b434af2572c141John McCall // variable or function with external linkage unless 3201fb0caaa7bef765b85972274e3b434af2572c141John McCall // - the entity has C language linkage, or 3211fb0caaa7bef765b85972274e3b434af2572c141John McCall // - the entity is declared within an unnamed namespace, or 3221fb0caaa7bef765b85972274e3b434af2572c141John McCall // - the entity is not used or is defined in the same 3231fb0caaa7bef765b85972274e3b434af2572c141John McCall // translation unit. 3241fb0caaa7bef765b85972274e3b434af2572c141John McCall // and [basic.link]p10: 3251fb0caaa7bef765b85972274e3b434af2572c141John McCall // ...the types specified by all declarations referring to a 3261fb0caaa7bef765b85972274e3b434af2572c141John McCall // given variable or function shall be identical... 3271fb0caaa7bef765b85972274e3b434af2572c141John McCall // C does not have an equivalent rule. 3281fb0caaa7bef765b85972274e3b434af2572c141John McCall // 329ac65c6208d48b0f9b4661c30c28997a280ac5ba6John McCall // Ignore this if we've got an explicit attribute; the user 330ac65c6208d48b0f9b4661c30c28997a280ac5ba6John McCall // probably knows what they're doing. 331ac65c6208d48b0f9b4661c30c28997a280ac5ba6John McCall // 3321fb0caaa7bef765b85972274e3b434af2572c141John McCall // Note that we don't want to make the variable non-external 3331fb0caaa7bef765b85972274e3b434af2572c141John McCall // because of this, but unique-external linkage suits us. 334750dc2b16fffa579f96ad053f061976a15ed4665Eli Friedman if (Context.getLangOptions().CPlusPlus && 335750dc2b16fffa579f96ad053f061976a15ed4665Eli Friedman !Var->getDeclContext()->isExternCContext()) { 336093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola LinkageInfo TypeLV = getLVForType(Var->getType()); 337093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola if (TypeLV.linkage() != ExternalLinkage) 338af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::uniqueExternal(); 339af14603ca61757cf4361b583b45639a04c57e651John McCall if (!LV.visibilityExplicit()) 340093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola LV.mergeVisibility(TypeLV.visibility(), TypeLV.visibilityExplicit()); 341110e8e56af30363072c140285961592b0107f789John McCall } 342110e8e56af30363072c140285961592b0107f789John McCall 34335cebc3eea898637057b10b5cf7dd08b1d788980John McCall if (Var->getStorageClass() == SC_PrivateExtern) 34435cebc3eea898637057b10b5cf7dd08b1d788980John McCall LV.setVisibility(HiddenVisibility, true); 34535cebc3eea898637057b10b5cf7dd08b1d788980John McCall 346d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (!Context.getLangOptions().CPlusPlus && 347d931b086984257de68868a64a235c2b4b34003fbJohn McCall (Var->getStorageClass() == SC_Extern || 348d931b086984257de68868a64a235c2b4b34003fbJohn McCall Var->getStorageClass() == SC_PrivateExtern)) { 3491fb0caaa7bef765b85972274e3b434af2572c141John McCall 350d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C99 6.2.2p4: 351d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // For an identifier declared with the storage-class specifier 352d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // extern in a scope in which a prior declaration of that 353d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // identifier is visible, if the prior declaration specifies 354d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // internal or external linkage, the linkage of the identifier 355d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // at the later declaration is the same as the linkage 356d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // specified at the prior declaration. If no prior declaration 357d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // is visible, or if the prior declaration specifies no 358d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // linkage, then the identifier has external linkage. 359ef96ee0be5f100789f451641542a69cd719144d2Douglas Gregor if (const VarDecl *PrevVar = Var->getPreviousDecl()) { 360381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor LinkageInfo PrevLV = getLVForDecl(PrevVar, F); 361af14603ca61757cf4361b583b45639a04c57e651John McCall if (PrevLV.linkage()) LV.setLinkage(PrevLV.linkage()); 362af14603ca61757cf4361b583b45639a04c57e651John McCall LV.mergeVisibility(PrevLV); 363d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 364d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 365d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 366d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - a function, unless it has internal linkage; or 3671fb0caaa7bef765b85972274e3b434af2572c141John McCall } else if (const FunctionDecl *Function = dyn_cast<FunctionDecl>(D)) { 36867fa6d5ea630c800c3c96e129129aba93d1487c2John McCall // In theory, we can modify the function's LV by the LV of its 36967fa6d5ea630c800c3c96e129129aba93d1487c2John McCall // type unless it has C linkage (see comment above about variables 37067fa6d5ea630c800c3c96e129129aba93d1487c2John McCall // for justification). In practice, GCC doesn't do this, so it's 37167fa6d5ea630c800c3c96e129129aba93d1487c2John McCall // just too painful to make work. 3721fb0caaa7bef765b85972274e3b434af2572c141John McCall 37335cebc3eea898637057b10b5cf7dd08b1d788980John McCall if (Function->getStorageClass() == SC_PrivateExtern) 37435cebc3eea898637057b10b5cf7dd08b1d788980John McCall LV.setVisibility(HiddenVisibility, true); 37535cebc3eea898637057b10b5cf7dd08b1d788980John McCall 376d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C99 6.2.2p5: 377d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // If the declaration of an identifier for a function has no 378d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // storage-class specifier, its linkage is determined exactly 379d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // as if it were declared with the storage-class specifier 380d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // extern. 381d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (!Context.getLangOptions().CPlusPlus && 382d931b086984257de68868a64a235c2b4b34003fbJohn McCall (Function->getStorageClass() == SC_Extern || 383d931b086984257de68868a64a235c2b4b34003fbJohn McCall Function->getStorageClass() == SC_PrivateExtern || 384d931b086984257de68868a64a235c2b4b34003fbJohn McCall Function->getStorageClass() == SC_None)) { 385d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C99 6.2.2p4: 386d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // For an identifier declared with the storage-class specifier 387d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // extern in a scope in which a prior declaration of that 388d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // identifier is visible, if the prior declaration specifies 389d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // internal or external linkage, the linkage of the identifier 390d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // at the later declaration is the same as the linkage 391d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // specified at the prior declaration. If no prior declaration 392d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // is visible, or if the prior declaration specifies no 393d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // linkage, then the identifier has external linkage. 394ef96ee0be5f100789f451641542a69cd719144d2Douglas Gregor if (const FunctionDecl *PrevFunc = Function->getPreviousDecl()) { 395381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor LinkageInfo PrevLV = getLVForDecl(PrevFunc, F); 396af14603ca61757cf4361b583b45639a04c57e651John McCall if (PrevLV.linkage()) LV.setLinkage(PrevLV.linkage()); 397af14603ca61757cf4361b583b45639a04c57e651John McCall LV.mergeVisibility(PrevLV); 398d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 399d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 400d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 401af8ca37a7fa45bff84831706c6d85f9e5b4e1d15John McCall // In C++, then if the type of the function uses a type with 402af8ca37a7fa45bff84831706c6d85f9e5b4e1d15John McCall // unique-external linkage, it's not legally usable from outside 403af8ca37a7fa45bff84831706c6d85f9e5b4e1d15John McCall // this translation unit. However, we should use the C linkage 404af8ca37a7fa45bff84831706c6d85f9e5b4e1d15John McCall // rules instead for extern "C" declarations. 405750dc2b16fffa579f96ad053f061976a15ed4665Eli Friedman if (Context.getLangOptions().CPlusPlus && 406750dc2b16fffa579f96ad053f061976a15ed4665Eli Friedman !Function->getDeclContext()->isExternCContext() && 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 && 568fedb6ecbed93c6bf12a02d61b2421d6f0da3b4fcRafael Espindola TSK != TSK_ExplicitInstantiationDefinition && 5693698748400478880d2a146ef9eaa111cd0e60522John McCall F.ConsiderGlobalVisibility && 57066cbcf3f150d075fead7c5935b6e9c61a32cf3d4John McCall MD->getASTContext().getLangOptions().InlineVisibilityHidden) { 57166cbcf3f150d075fead7c5935b6e9c61a32cf3d4John McCall // InlineVisibilityHidden only applies to definitions, and 57266cbcf3f150d075fead7c5935b6e9c61a32cf3d4John McCall // isInlined() only gives meaningful answers on definitions 57366cbcf3f150d075fead7c5935b6e9c61a32cf3d4John McCall // anyway. 57466cbcf3f150d075fead7c5935b6e9c61a32cf3d4John McCall const FunctionDecl *Def = 0; 57566cbcf3f150d075fead7c5935b6e9c61a32cf3d4John McCall if (MD->hasBody(Def) && Def->isInlined()) 57666cbcf3f150d075fead7c5935b6e9c61a32cf3d4John McCall LV.setVisibility(HiddenVisibility); 57766cbcf3f150d075fead7c5935b6e9c61a32cf3d4John McCall } 5781fb0caaa7bef765b85972274e3b434af2572c141John McCall 579110e8e56af30363072c140285961592b0107f789John McCall // Note that in contrast to basically every other situation, we 580110e8e56af30363072c140285961592b0107f789John McCall // *do* apply -fvisibility to method declarations. 581110e8e56af30363072c140285961592b0107f789John McCall 582110e8e56af30363072c140285961592b0107f789John McCall } else if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(D)) { 5836ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall if (const ClassTemplateSpecializationDecl *spec 584110e8e56af30363072c140285961592b0107f789John McCall = dyn_cast<ClassTemplateSpecializationDecl>(RD)) { 5856ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall if (shouldConsiderTemplateLV(spec)) { 5866ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall // Merge template argument/parameter information for member 5876ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall // class template specializations. 5886ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall LV.merge(getLVForTemplateArgumentList(spec->getTemplateArgs(), F)); 5891a0918ade0a3490c7aff243f9cd519156dfcb0bdJohn McCall if (F.ConsiderTemplateParameterTypes) 5901a0918ade0a3490c7aff243f9cd519156dfcb0bdJohn McCall LV.merge(getLVForTemplateParameterList( 5916ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall spec->getSpecializedTemplate()->getTemplateParameters())); 5926ce51ee94bd300c5f30930d96436fd53e4ea89a7John McCall } 593110e8e56af30363072c140285961592b0107f789John McCall } 594110e8e56af30363072c140285961592b0107f789John McCall 595110e8e56af30363072c140285961592b0107f789John McCall // Static data members. 596110e8e56af30363072c140285961592b0107f789John McCall } else if (const VarDecl *VD = dyn_cast<VarDecl>(D)) { 597ee30102a9ef32cdbf0afe0e4c07a53d265a18f98John McCall // Modify the variable's linkage by its type, but ignore the 598ee30102a9ef32cdbf0afe0e4c07a53d265a18f98John McCall // type's visibility unless it's a definition. 599093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola LinkageInfo TypeLV = getLVForType(VD->getType()); 600093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola if (TypeLV.linkage() != ExternalLinkage) 601af14603ca61757cf4361b583b45639a04c57e651John McCall LV.mergeLinkage(UniqueExternalLinkage); 602af14603ca61757cf4361b583b45639a04c57e651John McCall if (!LV.visibilityExplicit()) 603093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola LV.mergeVisibility(TypeLV.visibility(), TypeLV.visibilityExplicit()); 604110e8e56af30363072c140285961592b0107f789John McCall } 605110e8e56af30363072c140285961592b0107f789John McCall 6063698748400478880d2a146ef9eaa111cd0e60522John McCall F.ConsiderGlobalVisibility &= !LV.visibilityExplicit(); 607110e8e56af30363072c140285961592b0107f789John McCall 608110e8e56af30363072c140285961592b0107f789John McCall // Apply -fvisibility if desired. 6093698748400478880d2a146ef9eaa111cd0e60522John McCall if (F.ConsiderGlobalVisibility && LV.visibility() != HiddenVisibility) { 610af14603ca61757cf4361b583b45639a04c57e651John McCall LV.mergeVisibility(D->getASTContext().getLangOptions().getVisibilityMode()); 6113cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall } 6123cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall 6131fb0caaa7bef765b85972274e3b434af2572c141John McCall return LV; 6143cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall} 6153cdfc4d1862b7195159c376a4542b440037dac6aJohn McCall 616f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCallstatic void clearLinkageForClass(const CXXRecordDecl *record) { 617f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall for (CXXRecordDecl::decl_iterator 618f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall i = record->decls_begin(), e = record->decls_end(); i != e; ++i) { 619f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall Decl *child = *i; 620f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall if (isa<NamedDecl>(child)) 621f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall cast<NamedDecl>(child)->ClearLinkageCache(); 622f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall } 623f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall} 624f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall 62599ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikievoid NamedDecl::anchor() { } 62699ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikie 627f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCallvoid NamedDecl::ClearLinkageCache() { 628f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall // Note that we can't skip clearing the linkage of children just 629f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall // because the parent doesn't have cached linkage: we don't cache 630f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall // when computing linkage for parent contexts. 631f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall 632f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall HasCachedLinkage = 0; 633f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall 634f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall // If we're changing the linkage of a class, we need to reset the 635f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall // linkage of child declarations, too. 636f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall if (const CXXRecordDecl *record = dyn_cast<CXXRecordDecl>(this)) 637f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall clearLinkageForClass(record); 638f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall 63915e310a3b970b64a84cb30f0005bc396b4d978cbJohn McCall if (ClassTemplateDecl *temp = 64015e310a3b970b64a84cb30f0005bc396b4d978cbJohn McCall dyn_cast<ClassTemplateDecl>(const_cast<NamedDecl*>(this))) { 641f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall // Clear linkage for the template pattern. 642f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall CXXRecordDecl *record = temp->getTemplatedDecl(); 643f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall record->HasCachedLinkage = 0; 644f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall clearLinkageForClass(record); 645f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall 64615e310a3b970b64a84cb30f0005bc396b4d978cbJohn McCall // We need to clear linkage for specializations, too. 64715e310a3b970b64a84cb30f0005bc396b4d978cbJohn McCall for (ClassTemplateDecl::spec_iterator 64815e310a3b970b64a84cb30f0005bc396b4d978cbJohn McCall i = temp->spec_begin(), e = temp->spec_end(); i != e; ++i) 64915e310a3b970b64a84cb30f0005bc396b4d978cbJohn McCall i->ClearLinkageCache(); 650f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall } 65115e310a3b970b64a84cb30f0005bc396b4d978cbJohn McCall 65215e310a3b970b64a84cb30f0005bc396b4d978cbJohn McCall // Clear cached linkage for function template decls, too. 65315e310a3b970b64a84cb30f0005bc396b4d978cbJohn McCall if (FunctionTemplateDecl *temp = 65478951941f31d3c63c4178a1275e1a2db2e20da11John McCall dyn_cast<FunctionTemplateDecl>(const_cast<NamedDecl*>(this))) { 65578951941f31d3c63c4178a1275e1a2db2e20da11John McCall temp->getTemplatedDecl()->ClearLinkageCache(); 65615e310a3b970b64a84cb30f0005bc396b4d978cbJohn McCall for (FunctionTemplateDecl::spec_iterator 65715e310a3b970b64a84cb30f0005bc396b4d978cbJohn McCall i = temp->spec_begin(), e = temp->spec_end(); i != e; ++i) 65815e310a3b970b64a84cb30f0005bc396b4d978cbJohn McCall i->ClearLinkageCache(); 65978951941f31d3c63c4178a1275e1a2db2e20da11John McCall } 66015e310a3b970b64a84cb30f0005bc396b4d978cbJohn McCall 661f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall} 662f76b092e1a6f0df4a5c64aae3c71d6e81e4b717cJohn McCall 663381d34e0b205ca27bcc7e7c1652561941c437965Douglas GregorLinkage NamedDecl::getLinkage() const { 664381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor if (HasCachedLinkage) { 66556ed7927232256516efcf6afb7bd59bad1e7af71Benjamin Kramer assert(Linkage(CachedLinkage) == 66656ed7927232256516efcf6afb7bd59bad1e7af71Benjamin Kramer getLVForDecl(this, LVFlags::CreateOnlyDeclLinkage()).linkage()); 667381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor return Linkage(CachedLinkage); 668381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor } 669381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor 670381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor CachedLinkage = getLVForDecl(this, 671381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor LVFlags::CreateOnlyDeclLinkage()).linkage(); 672381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor HasCachedLinkage = 1; 673381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor return Linkage(CachedLinkage); 674381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor} 675381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor 676af14603ca61757cf4361b583b45639a04c57e651John McCallLinkageInfo NamedDecl::getLinkageAndVisibility() const { 677381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor LinkageInfo LI = getLVForDecl(this, LVFlags()); 67856ed7927232256516efcf6afb7bd59bad1e7af71Benjamin Kramer assert(!HasCachedLinkage || Linkage(CachedLinkage) == LI.linkage()); 679381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor HasCachedLinkage = 1; 680381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor CachedLinkage = LI.linkage(); 681381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor return LI; 6820df9587ab011c12968fcbe3518666b2117afe350John McCall} 683becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek 6844421d2b341d041df44013769f23c306308bbab83Douglas Gregorllvm::Optional<Visibility> NamedDecl::getExplicitVisibility() const { 6854421d2b341d041df44013769f23c306308bbab83Douglas Gregor // Use the most recent declaration of a variable. 6864421d2b341d041df44013769f23c306308bbab83Douglas Gregor if (const VarDecl *var = dyn_cast<VarDecl>(this)) 687ef96ee0be5f100789f451641542a69cd719144d2Douglas Gregor return getVisibilityOf(var->getMostRecentDecl()); 6884421d2b341d041df44013769f23c306308bbab83Douglas Gregor 6894421d2b341d041df44013769f23c306308bbab83Douglas Gregor // Use the most recent declaration of a function, and also handle 6904421d2b341d041df44013769f23c306308bbab83Douglas Gregor // function template specializations. 6914421d2b341d041df44013769f23c306308bbab83Douglas Gregor if (const FunctionDecl *fn = dyn_cast<FunctionDecl>(this)) { 6924421d2b341d041df44013769f23c306308bbab83Douglas Gregor if (llvm::Optional<Visibility> V 693ef96ee0be5f100789f451641542a69cd719144d2Douglas Gregor = getVisibilityOf(fn->getMostRecentDecl())) 6944421d2b341d041df44013769f23c306308bbab83Douglas Gregor return V; 6954421d2b341d041df44013769f23c306308bbab83Douglas Gregor 6964421d2b341d041df44013769f23c306308bbab83Douglas Gregor // If the function is a specialization of a template with an 6974421d2b341d041df44013769f23c306308bbab83Douglas Gregor // explicit visibility attribute, use that. 6984421d2b341d041df44013769f23c306308bbab83Douglas Gregor if (FunctionTemplateSpecializationInfo *templateInfo 6994421d2b341d041df44013769f23c306308bbab83Douglas Gregor = fn->getTemplateSpecializationInfo()) 7004421d2b341d041df44013769f23c306308bbab83Douglas Gregor return getVisibilityOf(templateInfo->getTemplate()->getTemplatedDecl()); 7014421d2b341d041df44013769f23c306308bbab83Douglas Gregor 7024421d2b341d041df44013769f23c306308bbab83Douglas Gregor return llvm::Optional<Visibility>(); 7034421d2b341d041df44013769f23c306308bbab83Douglas Gregor } 7044421d2b341d041df44013769f23c306308bbab83Douglas Gregor 7054421d2b341d041df44013769f23c306308bbab83Douglas Gregor // Otherwise, just check the declaration itself first. 7064421d2b341d041df44013769f23c306308bbab83Douglas Gregor if (llvm::Optional<Visibility> V = getVisibilityOf(this)) 7074421d2b341d041df44013769f23c306308bbab83Douglas Gregor return V; 7084421d2b341d041df44013769f23c306308bbab83Douglas Gregor 7094421d2b341d041df44013769f23c306308bbab83Douglas Gregor // If there wasn't explicit visibility there, and this is a 7104421d2b341d041df44013769f23c306308bbab83Douglas Gregor // specialization of a class template, check for visibility 7114421d2b341d041df44013769f23c306308bbab83Douglas Gregor // on the pattern. 7124421d2b341d041df44013769f23c306308bbab83Douglas Gregor if (const ClassTemplateSpecializationDecl *spec 7134421d2b341d041df44013769f23c306308bbab83Douglas Gregor = dyn_cast<ClassTemplateSpecializationDecl>(this)) 7144421d2b341d041df44013769f23c306308bbab83Douglas Gregor return getVisibilityOf(spec->getSpecializedTemplate()->getTemplatedDecl()); 7154421d2b341d041df44013769f23c306308bbab83Douglas Gregor 7164421d2b341d041df44013769f23c306308bbab83Douglas Gregor return llvm::Optional<Visibility>(); 7174421d2b341d041df44013769f23c306308bbab83Douglas Gregor} 7184421d2b341d041df44013769f23c306308bbab83Douglas Gregor 7193698748400478880d2a146ef9eaa111cd0e60522John McCallstatic LinkageInfo getLVForDecl(const NamedDecl *D, LVFlags Flags) { 720becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek // Objective-C: treat all Objective-C declarations as having external 721becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek // linkage. 7220df9587ab011c12968fcbe3518666b2117afe350John McCall switch (D->getKind()) { 723becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek default: 724becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek break; 725f8d34ed0d0933350323d9f7a8521011d73dc98d5Argyrios Kyrtzidis case Decl::ParmVar: 726f8d34ed0d0933350323d9f7a8521011d73dc98d5Argyrios Kyrtzidis return LinkageInfo::none(); 7271fb0caaa7bef765b85972274e3b434af2572c141John McCall case Decl::TemplateTemplateParm: // count these as external 7281fb0caaa7bef765b85972274e3b434af2572c141John McCall case Decl::NonTypeTemplateParm: 729becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCAtDefsField: 730becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCCategory: 731becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCCategoryImpl: 732becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCCompatibleAlias: 733becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCImplementation: 734becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCMethod: 735becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCProperty: 736becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCPropertyImpl: 737becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCProtocol: 738af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::external(); 739becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek } 740becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek 741d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // Handle linkage for namespace-scope names. 7420df9587ab011c12968fcbe3518666b2117afe350John McCall if (D->getDeclContext()->getRedeclContext()->isFileContext()) 7433698748400478880d2a146ef9eaa111cd0e60522John McCall return getLVForNamespaceScopeDecl(D, Flags); 744d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 745d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C++ [basic.link]p5: 746d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // In addition, a member function, static data member, a named 747d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // class or enumeration of class scope, or an unnamed class or 748d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // enumeration defined in a class-scope typedef declaration such 749d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // that the class or enumeration has the typedef name for linkage 750d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // purposes (7.1.3), has external linkage if the name of the class 751d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // has external linkage. 7520df9587ab011c12968fcbe3518666b2117afe350John McCall if (D->getDeclContext()->isRecord()) 7533698748400478880d2a146ef9eaa111cd0e60522John McCall return getLVForClassMember(D, Flags); 754d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 755d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C++ [basic.link]p6: 756d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // The name of a function declared in block scope and the name of 757d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // an object declared by a block scope extern declaration have 758d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // linkage. If there is a visible declaration of an entity with 759d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // linkage having the same name and type, ignoring entities 760d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // declared outside the innermost enclosing namespace scope, the 761d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // block scope declaration declares that same entity and receives 762d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // the linkage of the previous declaration. If there is more than 763d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // one such matching entity, the program is ill-formed. Otherwise, 764d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // if no matching entity is found, the block scope entity receives 765d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // external linkage. 7660df9587ab011c12968fcbe3518666b2117afe350John McCall if (D->getLexicalDeclContext()->isFunctionOrMethod()) { 7670df9587ab011c12968fcbe3518666b2117afe350John McCall if (const FunctionDecl *Function = dyn_cast<FunctionDecl>(D)) { 768750dc2b16fffa579f96ad053f061976a15ed4665Eli Friedman if (Function->isInAnonymousNamespace() && 769750dc2b16fffa579f96ad053f061976a15ed4665Eli Friedman !Function->getDeclContext()->isExternCContext()) 770af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::uniqueExternal(); 7711fb0caaa7bef765b85972274e3b434af2572c141John McCall 772af14603ca61757cf4361b583b45639a04c57e651John McCall LinkageInfo LV; 773381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor if (Flags.ConsiderVisibilityAttributes) { 7744421d2b341d041df44013769f23c306308bbab83Douglas Gregor if (llvm::Optional<Visibility> Vis = Function->getExplicitVisibility()) 7754421d2b341d041df44013769f23c306308bbab83Douglas Gregor LV.setVisibility(*Vis); 776381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor } 777381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor 778ef96ee0be5f100789f451641542a69cd719144d2Douglas Gregor if (const FunctionDecl *Prev = Function->getPreviousDecl()) { 779381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor LinkageInfo PrevLV = getLVForDecl(Prev, Flags); 780af14603ca61757cf4361b583b45639a04c57e651John McCall if (PrevLV.linkage()) LV.setLinkage(PrevLV.linkage()); 781af14603ca61757cf4361b583b45639a04c57e651John McCall LV.mergeVisibility(PrevLV); 7821fb0caaa7bef765b85972274e3b434af2572c141John McCall } 7830b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 7841fb0caaa7bef765b85972274e3b434af2572c141John McCall return LV; 785d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 786d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 7870df9587ab011c12968fcbe3518666b2117afe350John McCall if (const VarDecl *Var = dyn_cast<VarDecl>(D)) 788d931b086984257de68868a64a235c2b4b34003fbJohn McCall if (Var->getStorageClass() == SC_Extern || 789d931b086984257de68868a64a235c2b4b34003fbJohn McCall Var->getStorageClass() == SC_PrivateExtern) { 790750dc2b16fffa579f96ad053f061976a15ed4665Eli Friedman if (Var->isInAnonymousNamespace() && 791750dc2b16fffa579f96ad053f061976a15ed4665Eli Friedman !Var->getDeclContext()->isExternCContext()) 792af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::uniqueExternal(); 7931fb0caaa7bef765b85972274e3b434af2572c141John McCall 794af14603ca61757cf4361b583b45639a04c57e651John McCall LinkageInfo LV; 7951fb0caaa7bef765b85972274e3b434af2572c141John McCall if (Var->getStorageClass() == SC_PrivateExtern) 796af14603ca61757cf4361b583b45639a04c57e651John McCall LV.setVisibility(HiddenVisibility); 797381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor else if (Flags.ConsiderVisibilityAttributes) { 7984421d2b341d041df44013769f23c306308bbab83Douglas Gregor if (llvm::Optional<Visibility> Vis = Var->getExplicitVisibility()) 7994421d2b341d041df44013769f23c306308bbab83Douglas Gregor LV.setVisibility(*Vis); 800381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor } 801381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor 802ef96ee0be5f100789f451641542a69cd719144d2Douglas Gregor if (const VarDecl *Prev = Var->getPreviousDecl()) { 803381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor LinkageInfo PrevLV = getLVForDecl(Prev, Flags); 804af14603ca61757cf4361b583b45639a04c57e651John McCall if (PrevLV.linkage()) LV.setLinkage(PrevLV.linkage()); 805af14603ca61757cf4361b583b45639a04c57e651John McCall LV.mergeVisibility(PrevLV); 8061fb0caaa7bef765b85972274e3b434af2572c141John McCall } 8071fb0caaa7bef765b85972274e3b434af2572c141John McCall 8081fb0caaa7bef765b85972274e3b434af2572c141John McCall return LV; 809d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 810d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 811d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 812d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C++ [basic.link]p6: 813d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // Names not covered by these rules have no linkage. 814af14603ca61757cf4361b583b45639a04c57e651John McCall return LinkageInfo::none(); 8151fb0caaa7bef765b85972274e3b434af2572c141John McCall} 816d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 81747b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregorstd::string NamedDecl::getQualifiedNameAsString() const { 8183a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson return getQualifiedNameAsString(getASTContext().getLangOptions()); 8193a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson} 8203a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson 8213a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlssonstd::string NamedDecl::getQualifiedNameAsString(const PrintingPolicy &P) const { 82247b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor const DeclContext *Ctx = getDeclContext(); 82347b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 82447b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor if (Ctx->isFunctionOrMethod()) 82547b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor return getNameAsString(); 82647b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 8275f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner typedef SmallVector<const DeclContext *, 8> ContextsTy; 82868eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer ContextsTy Contexts; 82968eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer 83068eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer // Collect contexts. 83168eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer while (Ctx && isa<NamedDecl>(Ctx)) { 83268eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer Contexts.push_back(Ctx); 83368eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer Ctx = Ctx->getParent(); 83468eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer }; 83568eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer 83668eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer std::string QualName; 83768eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer llvm::raw_string_ostream OS(QualName); 83868eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer 83968eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer for (ContextsTy::reverse_iterator I = Contexts.rbegin(), E = Contexts.rend(); 84068eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer I != E; ++I) { 8411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ClassTemplateSpecializationDecl *Spec 84268eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer = dyn_cast<ClassTemplateSpecializationDecl>(*I)) { 843f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregor const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); 844f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregor std::string TemplateArgsStr 845f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregor = TemplateSpecializationType::PrintTemplateArgumentList( 846910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgs.data(), 847910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgs.size(), 8483a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson P); 84968eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << Spec->getName() << TemplateArgsStr; 85068eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer } else if (const NamespaceDecl *ND = dyn_cast<NamespaceDecl>(*I)) { 8516be112049b24ffaa8508646aa695834b4b5ca2b2Sam Weinig if (ND->isAnonymousNamespace()) 85268eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << "<anonymous namespace>"; 8536be112049b24ffaa8508646aa695834b4b5ca2b2Sam Weinig else 854b8989f27f116ff2400e92a52c067a69846119eb5Benjamin Kramer OS << *ND; 85568eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer } else if (const RecordDecl *RD = dyn_cast<RecordDecl>(*I)) { 85668eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer if (!RD->getIdentifier()) 85768eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << "<anonymous " << RD->getKindName() << '>'; 85868eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer else 859b8989f27f116ff2400e92a52c067a69846119eb5Benjamin Kramer OS << *RD; 86068eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer } else if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(*I)) { 8613521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig const FunctionProtoType *FT = 0; 8623521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig if (FD->hasWrittenPrototype()) 8633521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig FT = dyn_cast<FunctionProtoType>(FD->getType()->getAs<FunctionType>()); 8643521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig 865b8989f27f116ff2400e92a52c067a69846119eb5Benjamin Kramer OS << *FD << '('; 8663521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig if (FT) { 8673521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig unsigned NumParams = FD->getNumParams(); 8683521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig for (unsigned i = 0; i < NumParams; ++i) { 8693521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig if (i) 87068eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << ", "; 8713521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig std::string Param; 8723521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig FD->getParamDecl(i)->getType().getAsStringInternal(Param, P); 87368eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << Param; 8743521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig } 8753521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig 8763521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig if (FT->isVariadic()) { 8773521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig if (NumParams > 0) 87868eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << ", "; 87968eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << "..."; 8803521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig } 8813521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig } 88268eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << ')'; 88368eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer } else { 884b8989f27f116ff2400e92a52c067a69846119eb5Benjamin Kramer OS << *cast<NamedDecl>(*I); 88568eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer } 88668eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << "::"; 88747b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor } 88847b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 8898472af4df9292e02fb25c952d25a81f3ca296252John McCall if (getDeclName()) 890b8989f27f116ff2400e92a52c067a69846119eb5Benjamin Kramer OS << *this; 8918472af4df9292e02fb25c952d25a81f3ca296252John McCall else 89268eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << "<anonymous>"; 89347b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 89468eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer return OS.str(); 89547b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor} 89647b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 8974afa39deaa245592977136d367251ee2c173dd8dDouglas Gregorbool NamedDecl::declarationReplaces(NamedDecl *OldD) const { 8986ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor assert(getDeclName() == OldD->getDeclName() && "Declaration name mismatch"); 8996ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor 9002a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor // UsingDirectiveDecl's are not really NamedDecl's, and all have same name. 9012a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor // We want to keep it, unless it nominates same namespace. 9022a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor if (getKind() == Decl::UsingDirective) { 903db9924191092b4d426cc066637d81698211846aaDouglas Gregor return cast<UsingDirectiveDecl>(this)->getNominatedNamespace() 904db9924191092b4d426cc066637d81698211846aaDouglas Gregor ->getOriginalNamespace() == 905db9924191092b4d426cc066637d81698211846aaDouglas Gregor cast<UsingDirectiveDecl>(OldD)->getNominatedNamespace() 906db9924191092b4d426cc066637d81698211846aaDouglas Gregor ->getOriginalNamespace(); 9072a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor } 9081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9096ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(this)) 9106ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor // For function declarations, we keep track of redeclarations. 911ef96ee0be5f100789f451641542a69cd719144d2Douglas Gregor return FD->getPreviousDecl() == OldD; 9126ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor 913e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor // For function templates, the underlying function declarations are linked. 914e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor if (const FunctionTemplateDecl *FunctionTemplate 915e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor = dyn_cast<FunctionTemplateDecl>(this)) 916e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor if (const FunctionTemplateDecl *OldFunctionTemplate 917e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor = dyn_cast<FunctionTemplateDecl>(OldD)) 918e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor return FunctionTemplate->getTemplatedDecl() 919e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor ->declarationReplaces(OldFunctionTemplate->getTemplatedDecl()); 9201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9210de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff // For method declarations, we keep track of redeclarations. 9220de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff if (isa<ObjCMethodDecl>(this)) 9230de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff return false; 9241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 925f36e02d4aff98bf2e52e342e0038d4172fbb5e64John McCall if (isa<ObjCInterfaceDecl>(this) && isa<ObjCCompatibleAliasDecl>(OldD)) 926f36e02d4aff98bf2e52e342e0038d4172fbb5e64John McCall return true; 927f36e02d4aff98bf2e52e342e0038d4172fbb5e64John McCall 9289488ea120e093068021f944176c3d610dd540914John McCall if (isa<UsingShadowDecl>(this) && isa<UsingShadowDecl>(OldD)) 9299488ea120e093068021f944176c3d610dd540914John McCall return cast<UsingShadowDecl>(this)->getTargetDecl() == 9309488ea120e093068021f944176c3d610dd540914John McCall cast<UsingShadowDecl>(OldD)->getTargetDecl(); 9319488ea120e093068021f944176c3d610dd540914John McCall 932dc355713be51fcb4ee52d9fd6b4548ceff47fadfDouglas Gregor if (isa<UsingDecl>(this) && isa<UsingDecl>(OldD)) { 933dc355713be51fcb4ee52d9fd6b4548ceff47fadfDouglas Gregor ASTContext &Context = getASTContext(); 934dc355713be51fcb4ee52d9fd6b4548ceff47fadfDouglas Gregor return Context.getCanonicalNestedNameSpecifier( 935dc355713be51fcb4ee52d9fd6b4548ceff47fadfDouglas Gregor cast<UsingDecl>(this)->getQualifier()) == 936dc355713be51fcb4ee52d9fd6b4548ceff47fadfDouglas Gregor Context.getCanonicalNestedNameSpecifier( 937dc355713be51fcb4ee52d9fd6b4548ceff47fadfDouglas Gregor cast<UsingDecl>(OldD)->getQualifier()); 938dc355713be51fcb4ee52d9fd6b4548ceff47fadfDouglas Gregor } 939c80117e7971c34088f3e254c849ec3a40205d2c3Argyrios Kyrtzidis 9407a537404f039d4b7d063bbdc3c8c924be977dff2Douglas Gregor // A typedef of an Objective-C class type can replace an Objective-C class 9417a537404f039d4b7d063bbdc3c8c924be977dff2Douglas Gregor // declaration or definition, and vice versa. 9427a537404f039d4b7d063bbdc3c8c924be977dff2Douglas Gregor if ((isa<TypedefNameDecl>(this) && isa<ObjCInterfaceDecl>(OldD)) || 9437a537404f039d4b7d063bbdc3c8c924be977dff2Douglas Gregor (isa<ObjCInterfaceDecl>(this) && isa<TypedefNameDecl>(OldD))) 9447a537404f039d4b7d063bbdc3c8c924be977dff2Douglas Gregor return true; 9457a537404f039d4b7d063bbdc3c8c924be977dff2Douglas Gregor 9466ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor // For non-function declarations, if the declarations are of the 9476ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor // same kind then this must be a redeclaration, or semantic analysis 9486ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor // would not have given us the new declaration. 9496ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor return this->getKind() == OldD->getKind(); 9506ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor} 9516ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor 952d6f7e9dccd0fa8a5a15d7478324c0ae229fc5e1eDouglas Gregorbool NamedDecl::hasLinkage() const { 953d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor return getLinkage() != NoLinkage; 954d6f7e9dccd0fa8a5a15d7478324c0ae229fc5e1eDouglas Gregor} 9554afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor 956e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders CarlssonNamedDecl *NamedDecl::getUnderlyingDecl() { 957e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson NamedDecl *ND = this; 958e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson while (true) { 9599488ea120e093068021f944176c3d610dd540914John McCall if (UsingShadowDecl *UD = dyn_cast<UsingShadowDecl>(ND)) 960e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson ND = UD->getTargetDecl(); 961e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson else if (ObjCCompatibleAliasDecl *AD 962e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson = dyn_cast<ObjCCompatibleAliasDecl>(ND)) 963e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson return AD->getClassInterface(); 964e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson else 965e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson return ND; 966e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson } 967e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson} 968e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson 969161755a09898c95d21bfff33707da9ca41cd53c5John McCallbool NamedDecl::isCXXInstanceMember() const { 970161755a09898c95d21bfff33707da9ca41cd53c5John McCall assert(isCXXClassMember() && 971161755a09898c95d21bfff33707da9ca41cd53c5John McCall "checking whether non-member is instance member"); 972161755a09898c95d21bfff33707da9ca41cd53c5John McCall 973161755a09898c95d21bfff33707da9ca41cd53c5John McCall const NamedDecl *D = this; 974161755a09898c95d21bfff33707da9ca41cd53c5John McCall if (isa<UsingShadowDecl>(D)) 975161755a09898c95d21bfff33707da9ca41cd53c5John McCall D = cast<UsingShadowDecl>(D)->getTargetDecl(); 976161755a09898c95d21bfff33707da9ca41cd53c5John McCall 97787c2e121cf0522fc266efe2922b58091cd2e0182Francois Pichet if (isa<FieldDecl>(D) || isa<IndirectFieldDecl>(D)) 978161755a09898c95d21bfff33707da9ca41cd53c5John McCall return true; 979161755a09898c95d21bfff33707da9ca41cd53c5John McCall if (isa<CXXMethodDecl>(D)) 980161755a09898c95d21bfff33707da9ca41cd53c5John McCall return cast<CXXMethodDecl>(D)->isInstance(); 981161755a09898c95d21bfff33707da9ca41cd53c5John McCall if (isa<FunctionTemplateDecl>(D)) 982161755a09898c95d21bfff33707da9ca41cd53c5John McCall return cast<CXXMethodDecl>(cast<FunctionTemplateDecl>(D) 983161755a09898c95d21bfff33707da9ca41cd53c5John McCall ->getTemplatedDecl())->isInstance(); 984161755a09898c95d21bfff33707da9ca41cd53c5John McCall return false; 985161755a09898c95d21bfff33707da9ca41cd53c5John McCall} 986161755a09898c95d21bfff33707da9ca41cd53c5John McCall 9875239304ff761b8b03eefb772bd5d830a9b9f1aeaArgyrios Kyrtzidis//===----------------------------------------------------------------------===// 988a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis// DeclaratorDecl Implementation 989a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis//===----------------------------------------------------------------------===// 990a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis 9911693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregortemplate <typename DeclT> 9921693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregorstatic SourceLocation getTemplateOrInnerLocStart(const DeclT *decl) { 9931693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor if (decl->getNumTemplateParameterLists() > 0) 9941693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor return decl->getTemplateParameterList(0)->getTemplateLoc(); 9951693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor else 9961693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor return decl->getInnerLocStart(); 9971693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor} 9981693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor 999a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios KyrtzidisSourceLocation DeclaratorDecl::getTypeSpecStartLoc() const { 10004e449836c0deee9cfd92d32cb7d843759fa6452bJohn McCall TypeSourceInfo *TSI = getTypeSourceInfo(); 10014e449836c0deee9cfd92d32cb7d843759fa6452bJohn McCall if (TSI) return TSI->getTypeLoc().getBeginLoc(); 1002a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis return SourceLocation(); 1003a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis} 1004a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis 1005c22b5fff39a7520207f165fb16a27a34b944bd9cDouglas Gregorvoid DeclaratorDecl::setQualifierInfo(NestedNameSpecifierLoc QualifierLoc) { 1006c22b5fff39a7520207f165fb16a27a34b944bd9cDouglas Gregor if (QualifierLoc) { 1007b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Make sure the extended decl info is allocated. 1008b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (!hasExtInfo()) { 1009b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Save (non-extended) type source info pointer. 1010b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall TypeSourceInfo *savedTInfo = DeclInfo.get<TypeSourceInfo*>(); 1011b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Allocate external info struct. 1012b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall DeclInfo = new (getASTContext()) ExtInfo; 1013b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Restore savedTInfo into (extended) decl info. 1014b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall getExtInfo()->TInfo = savedTInfo; 1015b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall } 1016b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Set qualifier info. 1017c22b5fff39a7520207f165fb16a27a34b944bd9cDouglas Gregor getExtInfo()->QualifierLoc = QualifierLoc; 10183060178ad9df29789505c1e6debcfc80a3a13587Chad Rosier } else { 1019b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Here Qualifier == 0, i.e., we are removing the qualifier (if any). 1020b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (hasExtInfo()) { 10217f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara if (getExtInfo()->NumTemplParamLists == 0) { 10227f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara // Save type source info pointer. 10237f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara TypeSourceInfo *savedTInfo = getExtInfo()->TInfo; 10247f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara // Deallocate the extended decl info. 10257f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara getASTContext().Deallocate(getExtInfo()); 10267f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara // Restore savedTInfo into (non-extended) decl info. 10277f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara DeclInfo = savedTInfo; 10287f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara } 10297f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara else 10307f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara getExtInfo()->QualifierLoc = QualifierLoc; 1031b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall } 1032b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall } 1033b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall} 1034b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 10357f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnaravoid 10367f0a915eb546d353071be08c8adec155e5d9a0dcAbramo BagnaraDeclaratorDecl::setTemplateParameterListsInfo(ASTContext &Context, 10377f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara unsigned NumTPLists, 10387f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara TemplateParameterList **TPLists) { 10397f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara assert(NumTPLists > 0); 10407f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara // Make sure the extended decl info is allocated. 10417f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara if (!hasExtInfo()) { 10427f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara // Save (non-extended) type source info pointer. 10437f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara TypeSourceInfo *savedTInfo = DeclInfo.get<TypeSourceInfo*>(); 10447f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara // Allocate external info struct. 10457f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara DeclInfo = new (getASTContext()) ExtInfo; 10467f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara // Restore savedTInfo into (extended) decl info. 10477f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara getExtInfo()->TInfo = savedTInfo; 10487f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara } 10497f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara // Set the template parameter lists info. 10507f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara getExtInfo()->setTemplateParameterListsInfo(Context, NumTPLists, TPLists); 10517f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara} 10527f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara 10531693e154bef16ca060b5e3786d8528ddc11f5637Douglas GregorSourceLocation DeclaratorDecl::getOuterLocStart() const { 10541693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor return getTemplateOrInnerLocStart(this); 10551693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor} 10561693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor 1057a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnaranamespace { 1058a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara 1059a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara// Helper function: returns true if QT is or contains a type 1060a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara// having a postfix component. 1061a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnarabool typeIsPostfix(clang::QualType QT) { 1062a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara while (true) { 1063a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara const Type* T = QT.getTypePtr(); 1064a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara switch (T->getTypeClass()) { 1065a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara default: 1066a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara return false; 1067a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara case Type::Pointer: 1068a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara QT = cast<PointerType>(T)->getPointeeType(); 1069a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara break; 1070a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara case Type::BlockPointer: 1071a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara QT = cast<BlockPointerType>(T)->getPointeeType(); 1072a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara break; 1073a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara case Type::MemberPointer: 1074a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara QT = cast<MemberPointerType>(T)->getPointeeType(); 1075a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara break; 1076a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara case Type::LValueReference: 1077a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara case Type::RValueReference: 1078a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara QT = cast<ReferenceType>(T)->getPointeeType(); 1079a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara break; 1080a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara case Type::PackExpansion: 1081a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara QT = cast<PackExpansionType>(T)->getPattern(); 1082a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara break; 1083a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara case Type::Paren: 1084a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara case Type::ConstantArray: 1085a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara case Type::DependentSizedArray: 1086a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara case Type::IncompleteArray: 1087a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara case Type::VariableArray: 1088a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara case Type::FunctionProto: 1089a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara case Type::FunctionNoProto: 1090a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara return true; 1091a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara } 1092a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara } 1093a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara} 1094a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara 1095a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara} // namespace 1096a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara 1097a2026c96d3935e7909e049ad9096762844544ed6Abramo BagnaraSourceRange DeclaratorDecl::getSourceRange() const { 1098a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara SourceLocation RangeEnd = getLocation(); 1099a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara if (TypeSourceInfo *TInfo = getTypeSourceInfo()) { 1100a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara if (typeIsPostfix(TInfo->getType())) 1101a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara RangeEnd = TInfo->getTypeLoc().getSourceRange().getEnd(); 1102a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara } 1103a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara return SourceRange(getOuterLocStart(), RangeEnd); 1104a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara} 1105a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara 11069b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnaravoid 1107c722ea4fbf886d6460b256b5e819a4ee751d5fffDouglas GregorQualifierInfo::setTemplateParameterListsInfo(ASTContext &Context, 1108c722ea4fbf886d6460b256b5e819a4ee751d5fffDouglas Gregor unsigned NumTPLists, 11099b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara TemplateParameterList **TPLists) { 11109b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara assert((NumTPLists == 0 || TPLists != 0) && 11119b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara "Empty array of template parameters with positive size!"); 11129b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara 11139b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara // Free previous template parameters (if any). 11149b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara if (NumTemplParamLists > 0) { 1115c722ea4fbf886d6460b256b5e819a4ee751d5fffDouglas Gregor Context.Deallocate(TemplParamLists); 11169b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara TemplParamLists = 0; 11179b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara NumTemplParamLists = 0; 11189b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara } 11199b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara // Set info on matched template parameter lists (if any). 11209b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara if (NumTPLists > 0) { 1121c722ea4fbf886d6460b256b5e819a4ee751d5fffDouglas Gregor TemplParamLists = new (Context) TemplateParameterList*[NumTPLists]; 11229b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara NumTemplParamLists = NumTPLists; 11239b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara for (unsigned i = NumTPLists; i-- > 0; ) 11249b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara TemplParamLists[i] = TPLists[i]; 11259b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara } 11269b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara} 11279b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara 1128a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis//===----------------------------------------------------------------------===// 112999f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes// VarDecl Implementation 113099f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes//===----------------------------------------------------------------------===// 113199f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes 11327783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlconst char *VarDecl::getStorageClassSpecifierString(StorageClass SC) { 11337783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl switch (SC) { 11348c25fc584ce27d59df9923f153e8a132dde58d04Peter Collingbourne case SC_None: break; 11358be0c74e4a779b13c2d8fd8482dcd438eeb089d3Peter Collingbourne case SC_Auto: return "auto"; 11368be0c74e4a779b13c2d8fd8482dcd438eeb089d3Peter Collingbourne case SC_Extern: return "extern"; 11378be0c74e4a779b13c2d8fd8482dcd438eeb089d3Peter Collingbourne case SC_OpenCLWorkGroupLocal: return "<<work-group-local>>"; 11388be0c74e4a779b13c2d8fd8482dcd438eeb089d3Peter Collingbourne case SC_PrivateExtern: return "__private_extern__"; 11398be0c74e4a779b13c2d8fd8482dcd438eeb089d3Peter Collingbourne case SC_Register: return "register"; 11408be0c74e4a779b13c2d8fd8482dcd438eeb089d3Peter Collingbourne case SC_Static: return "static"; 11417783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl } 11427783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 11438be0c74e4a779b13c2d8fd8482dcd438eeb089d3Peter Collingbourne llvm_unreachable("Invalid storage class"); 11447783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return 0; 11457783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 11467783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 1147ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo BagnaraVarDecl *VarDecl::Create(ASTContext &C, DeclContext *DC, 1148ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation StartL, SourceLocation IdL, 1149a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall IdentifierInfo *Id, QualType T, TypeSourceInfo *TInfo, 115016573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor StorageClass S, StorageClass SCAsWritten) { 1151ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara return new (C) VarDecl(Var, DC, StartL, IdL, Id, T, TInfo, S, SCAsWritten); 115299f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes} 115399f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes 11541e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas GregorVarDecl *VarDecl::CreateDeserialized(ASTContext &C, unsigned ID) { 11551e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor void *Mem = AllocateDeserializedDecl(C, ID, sizeof(VarDecl)); 11561e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor return new (Mem) VarDecl(Var, 0, SourceLocation(), SourceLocation(), 0, 11571e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor QualType(), 0, SC_None, SC_None); 11581e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor} 11591e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor 1160381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregorvoid VarDecl::setStorageClass(StorageClass SC) { 1161381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor assert(isLegalForVariable(SC)); 1162381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor if (getStorageClass() != SC) 1163381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor ClearLinkageCache(); 1164381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor 1165f1e4fbf3112f33ec5b7bc5c57ec148445190d0a8John McCall VarDeclBits.SClass = SC; 1166381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor} 1167381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor 11681693e154bef16ca060b5e3786d8528ddc11f5637Douglas GregorSourceRange VarDecl::getSourceRange() const { 116955d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis if (getInit()) 11701693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor return SourceRange(getOuterLocStart(), getInit()->getLocEnd()); 1171a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara return DeclaratorDecl::getSourceRange(); 117255d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis} 117355d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis 11747783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlbool VarDecl::isExternC() const { 1175750dc2b16fffa579f96ad053f061976a15ed4665Eli Friedman if (getLinkage() != ExternalLinkage) 1176750dc2b16fffa579f96ad053f061976a15ed4665Eli Friedman return false; 11777783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 117810aad449dfbb5b43611d45b99c88dfc26db7fac9Chandler Carruth const DeclContext *DC = getDeclContext(); 1179750dc2b16fffa579f96ad053f061976a15ed4665Eli Friedman if (DC->isRecord()) 118010aad449dfbb5b43611d45b99c88dfc26db7fac9Chandler Carruth return false; 118110aad449dfbb5b43611d45b99c88dfc26db7fac9Chandler Carruth 1182750dc2b16fffa579f96ad053f061976a15ed4665Eli Friedman ASTContext &Context = getASTContext(); 1183750dc2b16fffa579f96ad053f061976a15ed4665Eli Friedman if (!Context.getLangOptions().CPlusPlus) 1184750dc2b16fffa579f96ad053f061976a15ed4665Eli Friedman return true; 1185750dc2b16fffa579f96ad053f061976a15ed4665Eli Friedman return DC->isExternCContext(); 11867783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 11877783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 11887783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlVarDecl *VarDecl::getCanonicalDecl() { 11897783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return getFirstDeclaration(); 11907783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 11917783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 1192e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian RedlVarDecl::DefinitionKind VarDecl::isThisDeclarationADefinition() const { 1193e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // C++ [basic.def]p2: 1194e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // A declaration is a definition unless [...] it contains the 'extern' 1195e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // specifier or a linkage-specification and neither an initializer [...], 1196e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // it declares a static data member in a class declaration [...]. 1197e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // C++ [temp.expl.spec]p15: 1198e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // An explicit specialization of a static data member of a template is a 1199e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // definition if the declaration includes an initializer; otherwise, it is 1200e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // a declaration. 1201e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (isStaticDataMember()) { 1202e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (isOutOfLine() && (hasInit() || 1203e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl getTemplateSpecializationKind() != TSK_ExplicitSpecialization)) 1204e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return Definition; 1205e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl else 1206e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return DeclarationOnly; 1207e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl } 1208e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // C99 6.7p5: 1209e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // A definition of an identifier is a declaration for that identifier that 1210e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // [...] causes storage to be reserved for that object. 1211e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // Note: that applies for all non-file-scope objects. 1212e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // C99 6.9.2p1: 1213e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // If the declaration of an identifier for an object has file scope and an 1214e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // initializer, the declaration is an external definition for the identifier 1215e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (hasInit()) 1216e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return Definition; 1217e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // AST for 'extern "C" int foo;' is annotated with 'extern'. 1218e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (hasExternalStorage()) 1219e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return DeclarationOnly; 12202bf6d7b1f7406ca4dfe841d4f6ef4b91dce195e4Fariborz Jahanian 1221d931b086984257de68868a64a235c2b4b34003fbJohn McCall if (getStorageClassAsWritten() == SC_Extern || 1222d931b086984257de68868a64a235c2b4b34003fbJohn McCall getStorageClassAsWritten() == SC_PrivateExtern) { 1223ef96ee0be5f100789f451641542a69cd719144d2Douglas Gregor for (const VarDecl *PrevVar = getPreviousDecl(); 1224ef96ee0be5f100789f451641542a69cd719144d2Douglas Gregor PrevVar; PrevVar = PrevVar->getPreviousDecl()) { 12252bf6d7b1f7406ca4dfe841d4f6ef4b91dce195e4Fariborz Jahanian if (PrevVar->getLinkage() == InternalLinkage && PrevVar->hasInit()) 12262bf6d7b1f7406ca4dfe841d4f6ef4b91dce195e4Fariborz Jahanian return DeclarationOnly; 12272bf6d7b1f7406ca4dfe841d4f6ef4b91dce195e4Fariborz Jahanian } 12282bf6d7b1f7406ca4dfe841d4f6ef4b91dce195e4Fariborz Jahanian } 1229e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // C99 6.9.2p2: 1230e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // A declaration of an object that has file scope without an initializer, 1231e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // and without a storage class specifier or the scs 'static', constitutes 1232e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // a tentative definition. 1233e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // No such thing in C++. 1234e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (!getASTContext().getLangOptions().CPlusPlus && isFileVarDecl()) 1235e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return TentativeDefinition; 1236e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 1237e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // What's left is (in C, block-scope) declarations without initializers or 1238e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // external storage. These are definitions. 1239e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return Definition; 1240e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl} 1241e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 1242e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian RedlVarDecl *VarDecl::getActingDefinition() { 1243e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl DefinitionKind Kind = isThisDeclarationADefinition(); 1244e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (Kind != TentativeDefinition) 1245e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return 0; 1246e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 1247f0ed9ef428a051bafc914b9935dcd1d1aa30cf3fChris Lattner VarDecl *LastTentative = 0; 1248e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl VarDecl *First = getFirstDeclaration(); 1249e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl for (redecl_iterator I = First->redecls_begin(), E = First->redecls_end(); 1250e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl I != E; ++I) { 1251e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl Kind = (*I)->isThisDeclarationADefinition(); 1252e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (Kind == Definition) 1253e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return 0; 1254e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl else if (Kind == TentativeDefinition) 1255e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl LastTentative = *I; 1256e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl } 1257e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return LastTentative; 1258e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl} 1259e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 1260e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redlbool VarDecl::isTentativeDefinitionNow() const { 1261e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl DefinitionKind Kind = isThisDeclarationADefinition(); 1262e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (Kind != TentativeDefinition) 1263e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return false; 1264e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 1265e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl for (redecl_iterator I = redecls_begin(), E = redecls_end(); I != E; ++I) { 1266e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if ((*I)->isThisDeclarationADefinition() == Definition) 1267e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return false; 1268e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl } 126931310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl return true; 127031310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl} 127131310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl 127231310a21fb2a9f13950f864f681c86080b05d5b2Sebastian RedlVarDecl *VarDecl::getDefinition() { 1273e2c52d29e483b4167bd5d8e3265c2fb7c38fbcd5Sebastian Redl VarDecl *First = getFirstDeclaration(); 1274e2c52d29e483b4167bd5d8e3265c2fb7c38fbcd5Sebastian Redl for (redecl_iterator I = First->redecls_begin(), E = First->redecls_end(); 1275e2c52d29e483b4167bd5d8e3265c2fb7c38fbcd5Sebastian Redl I != E; ++I) { 127631310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl if ((*I)->isThisDeclarationADefinition() == Definition) 127731310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl return *I; 127831310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl } 127931310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl return 0; 1280e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl} 1281e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 1282110e8e56af30363072c140285961592b0107f789John McCallVarDecl::DefinitionKind VarDecl::hasDefinition() const { 1283110e8e56af30363072c140285961592b0107f789John McCall DefinitionKind Kind = DeclarationOnly; 1284110e8e56af30363072c140285961592b0107f789John McCall 1285110e8e56af30363072c140285961592b0107f789John McCall const VarDecl *First = getFirstDeclaration(); 1286110e8e56af30363072c140285961592b0107f789John McCall for (redecl_iterator I = First->redecls_begin(), E = First->redecls_end(); 1287110e8e56af30363072c140285961592b0107f789John McCall I != E; ++I) 1288110e8e56af30363072c140285961592b0107f789John McCall Kind = std::max(Kind, (*I)->isThisDeclarationADefinition()); 1289110e8e56af30363072c140285961592b0107f789John McCall 1290110e8e56af30363072c140285961592b0107f789John McCall return Kind; 1291110e8e56af30363072c140285961592b0107f789John McCall} 1292110e8e56af30363072c140285961592b0107f789John McCall 129331310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redlconst Expr *VarDecl::getAnyInitializer(const VarDecl *&D) const { 12947783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl redecl_iterator I = redecls_begin(), E = redecls_end(); 12957783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl while (I != E && !I->getInit()) 12967783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl ++I; 12977783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 12987783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (I != E) { 129931310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl D = *I; 13007783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return I->getInit(); 13017783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl } 13027783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return 0; 13037783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 13047783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 13051028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregorbool VarDecl::isOutOfLine() const { 1306da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor if (Decl::isOutOfLine()) 13071028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor return true; 13088761d680eaa7386e03f51286f4b84a1ffe575e2eChandler Carruth 13098761d680eaa7386e03f51286f4b84a1ffe575e2eChandler Carruth if (!isStaticDataMember()) 13108761d680eaa7386e03f51286f4b84a1ffe575e2eChandler Carruth return false; 13118761d680eaa7386e03f51286f4b84a1ffe575e2eChandler Carruth 13121028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor // If this static data member was instantiated from a static data member of 13131028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor // a class template, check whether that static data member was defined 13141028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor // out-of-line. 13151028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor if (VarDecl *VD = getInstantiatedFromStaticDataMember()) 13161028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor return VD->isOutOfLine(); 13171028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor 13181028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor return false; 13191028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor} 13201028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor 13210d03514da06dffb39a260a1228ea3fd01d196fa4Douglas GregorVarDecl *VarDecl::getOutOfLineDefinition() { 13220d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor if (!isStaticDataMember()) 13230d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor return 0; 13240d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor 13250d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor for (VarDecl::redecl_iterator RD = redecls_begin(), RDEnd = redecls_end(); 13260d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor RD != RDEnd; ++RD) { 13270d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor if (RD->getLexicalDeclContext()->isFileContext()) 13280d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor return *RD; 13290d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor } 13300d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor 13310d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor return 0; 13320d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor} 13330d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor 1334838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregorvoid VarDecl::setInit(Expr *I) { 13357783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (EvaluatedStmt *Eval = Init.dyn_cast<EvaluatedStmt *>()) { 13367783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl Eval->~EvaluatedStmt(); 1337838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor getASTContext().Deallocate(Eval); 13387783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl } 13397783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 13407783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl Init = I; 13417783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 13427783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 13431d238ea926bbdd04356ce475934fcd4cac654c4bRichard Smithbool VarDecl::isUsableInConstantExpressions() const { 13441d238ea926bbdd04356ce475934fcd4cac654c4bRichard Smith const LangOptions &Lang = getASTContext().getLangOptions(); 13451d238ea926bbdd04356ce475934fcd4cac654c4bRichard Smith 13461d238ea926bbdd04356ce475934fcd4cac654c4bRichard Smith // Only const variables can be used in constant expressions in C++. C++98 does 13471d238ea926bbdd04356ce475934fcd4cac654c4bRichard Smith // not require the variable to be non-volatile, but we consider this to be a 13481d238ea926bbdd04356ce475934fcd4cac654c4bRichard Smith // defect. 13491d238ea926bbdd04356ce475934fcd4cac654c4bRichard Smith if (!Lang.CPlusPlus || 13501d238ea926bbdd04356ce475934fcd4cac654c4bRichard Smith !getType().isConstQualified() || getType().isVolatileQualified()) 13511d238ea926bbdd04356ce475934fcd4cac654c4bRichard Smith return false; 13521d238ea926bbdd04356ce475934fcd4cac654c4bRichard Smith 13531d238ea926bbdd04356ce475934fcd4cac654c4bRichard Smith // In C++, const, non-volatile variables of integral or enumeration types 13541d238ea926bbdd04356ce475934fcd4cac654c4bRichard Smith // can be used in constant expressions. 13551d238ea926bbdd04356ce475934fcd4cac654c4bRichard Smith if (getType()->isIntegralOrEnumerationType()) 13561d238ea926bbdd04356ce475934fcd4cac654c4bRichard Smith return true; 13571d238ea926bbdd04356ce475934fcd4cac654c4bRichard Smith 13581d238ea926bbdd04356ce475934fcd4cac654c4bRichard Smith // Additionally, in C++11, non-volatile constexpr variables and references can 13591d238ea926bbdd04356ce475934fcd4cac654c4bRichard Smith // be used in constant expressions. 13601d238ea926bbdd04356ce475934fcd4cac654c4bRichard Smith return Lang.CPlusPlus0x && (isConstexpr() || getType()->isReferenceType()); 13611d238ea926bbdd04356ce475934fcd4cac654c4bRichard Smith} 13621d238ea926bbdd04356ce475934fcd4cac654c4bRichard Smith 1363099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith/// Convert the initializer for this declaration to the elaborated EvaluatedStmt 1364099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith/// form, which contains extra information on the evaluated value of the 1365099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith/// initializer. 1366099e7f647ccda915513f2b2ec53352dc756082d3Richard SmithEvaluatedStmt *VarDecl::ensureEvaluatedStmt() const { 1367099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith EvaluatedStmt *Eval = Init.dyn_cast<EvaluatedStmt *>(); 1368099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith if (!Eval) { 1369099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith Stmt *S = Init.get<Stmt *>(); 1370099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith Eval = new (getASTContext()) EvaluatedStmt; 1371099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith Eval->Value = S; 1372099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith Init = Eval; 1373099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith } 1374099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith return Eval; 1375099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith} 1376099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith 13772d6a5670465cb3f1d811695a9f23e372508240d2Richard SmithAPValue *VarDecl::evaluateValue() const { 13782d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith llvm::SmallVector<PartialDiagnosticAt, 8> Notes; 13792d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith return evaluateValue(Notes); 13802d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith} 13812d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith 13822d6a5670465cb3f1d811695a9f23e372508240d2Richard SmithAPValue *VarDecl::evaluateValue( 13832d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith llvm::SmallVectorImpl<PartialDiagnosticAt> &Notes) const { 1384099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith EvaluatedStmt *Eval = ensureEvaluatedStmt(); 1385099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith 1386099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith // We only produce notes indicating why an initializer is non-constant the 1387099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith // first time it is evaluated. FIXME: The notes won't always be emitted the 1388099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith // first time we try evaluation, so might not be produced at all. 1389099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith if (Eval->WasEvaluated) 13902d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith return Eval->Evaluated.isUninit() ? 0 : &Eval->Evaluated; 1391099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith 1392099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith const Expr *Init = cast<Expr>(Eval->Value); 1393099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith assert(!Init->isValueDependent()); 1394099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith 1395099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith if (Eval->IsEvaluating) { 1396099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith // FIXME: Produce a diagnostic for self-initialization. 1397099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith Eval->CheckedICE = true; 1398099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith Eval->IsICE = false; 13992d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith return 0; 1400099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith } 1401099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith 1402099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith Eval->IsEvaluating = true; 1403099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith 1404099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith bool Result = Init->EvaluateAsInitializer(Eval->Evaluated, getASTContext(), 1405099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith this, Notes); 1406099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith 1407099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith // Ensure the result is an uninitialized APValue if evaluation fails. 1408099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith if (!Result) 1409099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith Eval->Evaluated = APValue(); 1410099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith 1411099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith Eval->IsEvaluating = false; 1412099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith Eval->WasEvaluated = true; 1413099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith 1414099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith // In C++11, we have determined whether the initializer was a constant 1415099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith // expression as a side-effect. 1416099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith if (getASTContext().getLangOptions().CPlusPlus0x && !Eval->CheckedICE) { 1417099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith Eval->CheckedICE = true; 1418099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith Eval->IsICE = Notes.empty(); 1419099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith } 1420099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith 14212d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith return Result ? &Eval->Evaluated : 0; 1422099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith} 1423099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith 1424099e7f647ccda915513f2b2ec53352dc756082d3Richard Smithbool VarDecl::checkInitIsICE() const { 142573076431605556fdbf28d287d084a73a24a8b8d4John McCall // Initializers of weak variables are never ICEs. 142673076431605556fdbf28d287d084a73a24a8b8d4John McCall if (isWeak()) 142773076431605556fdbf28d287d084a73a24a8b8d4John McCall return false; 142873076431605556fdbf28d287d084a73a24a8b8d4John McCall 1429099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith EvaluatedStmt *Eval = ensureEvaluatedStmt(); 1430099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith if (Eval->CheckedICE) 1431099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith // We have already checked whether this subexpression is an 1432099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith // integral constant expression. 1433099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith return Eval->IsICE; 1434099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith 1435099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith const Expr *Init = cast<Expr>(Eval->Value); 1436099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith assert(!Init->isValueDependent()); 1437099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith 1438099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith // In C++11, evaluate the initializer to check whether it's a constant 1439099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith // expression. 1440099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith if (getASTContext().getLangOptions().CPlusPlus0x) { 1441099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith llvm::SmallVector<PartialDiagnosticAt, 8> Notes; 1442099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith evaluateValue(Notes); 1443099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith return Eval->IsICE; 1444099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith } 1445099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith 1446099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith // It's an ICE whether or not the definition we found is 1447099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith // out-of-line. See DR 721 and the discussion in Clang PR 1448099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith // 6206 for details. 1449099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith 1450099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith if (Eval->CheckingICE) 1451099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith return false; 1452099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith Eval->CheckingICE = true; 1453099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith 1454099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith Eval->IsICE = Init->isIntegerConstantExpr(getASTContext()); 1455099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith Eval->CheckingICE = false; 1456099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith Eval->CheckedICE = true; 1457099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith return Eval->IsICE; 1458099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith} 1459099e7f647ccda915513f2b2ec53352dc756082d3Richard Smith 146003e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregorbool VarDecl::extendsLifetimeOfTemporary() const { 14610b5810882bd34183c2b764676cafa4c2ce324740Douglas Gregor assert(getType()->isReferenceType() &&"Non-references never extend lifetime"); 146203e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor 146303e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor const Expr *E = getInit(); 146403e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor if (!E) 146503e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor return false; 146603e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor 146703e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor if (const ExprWithCleanups *Cleanups = dyn_cast<ExprWithCleanups>(E)) 146803e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor E = Cleanups->getSubExpr(); 146903e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor 147003e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor return isa<MaterializeTemporaryExpr>(E); 147103e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor} 147203e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor 14731028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas GregorVarDecl *VarDecl::getInstantiatedFromStaticDataMember() const { 1474b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor if (MemberSpecializationInfo *MSI = getMemberSpecializationInfo()) 1475251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return cast<VarDecl>(MSI->getInstantiatedFrom()); 1476251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor 1477251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return 0; 1478251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor} 1479251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor 1480663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas GregorTemplateSpecializationKind VarDecl::getTemplateSpecializationKind() const { 1481e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (MemberSpecializationInfo *MSI = getMemberSpecializationInfo()) 1482251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return MSI->getTemplateSpecializationKind(); 1483251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor 1484251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return TSK_Undeclared; 1485251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor} 1486251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor 14871028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas GregorMemberSpecializationInfo *VarDecl::getMemberSpecializationInfo() const { 1488b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor return getASTContext().getInstantiatedFromStaticDataMember(this); 1489b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor} 1490b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor 14910a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregorvoid VarDecl::setTemplateSpecializationKind(TemplateSpecializationKind TSK, 14920a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor SourceLocation PointOfInstantiation) { 1493b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor MemberSpecializationInfo *MSI = getMemberSpecializationInfo(); 1494251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor assert(MSI && "Not an instantiated static data member?"); 1495251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor MSI->setTemplateSpecializationKind(TSK); 14960a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor if (TSK != TSK_ExplicitSpecialization && 14970a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor PointOfInstantiation.isValid() && 14980a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor MSI->getPointOfInstantiation().isInvalid()) 14990a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor MSI->setPointOfInstantiation(PointOfInstantiation); 15007caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 15017caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 15027783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 15037783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl// ParmVarDecl Implementation 15047783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 1505275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor 15067783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlParmVarDecl *ParmVarDecl::Create(ASTContext &C, DeclContext *DC, 1507ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation StartLoc, 1508ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation IdLoc, IdentifierInfo *Id, 15097783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl QualType T, TypeSourceInfo *TInfo, 151016573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor StorageClass S, StorageClass SCAsWritten, 151116573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor Expr *DefArg) { 1512ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara return new (C) ParmVarDecl(ParmVar, DC, StartLoc, IdLoc, Id, T, TInfo, 151316573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor S, SCAsWritten, DefArg); 1514275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor} 1515275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor 15161e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas GregorParmVarDecl *ParmVarDecl::CreateDeserialized(ASTContext &C, unsigned ID) { 15171e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor void *Mem = AllocateDeserializedDecl(C, ID, sizeof(ParmVarDecl)); 15181e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor return new (Mem) ParmVarDecl(ParmVar, 0, SourceLocation(), SourceLocation(), 15191e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor 0, QualType(), 0, SC_None, SC_None, 0); 15201e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor} 15211e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor 15220bfe83b5a98ce37bf3a10274bca6f93ca4cb9696Argyrios KyrtzidisSourceRange ParmVarDecl::getSourceRange() const { 15230bfe83b5a98ce37bf3a10274bca6f93ca4cb9696Argyrios Kyrtzidis if (!hasInheritedDefaultArg()) { 15240bfe83b5a98ce37bf3a10274bca6f93ca4cb9696Argyrios Kyrtzidis SourceRange ArgRange = getDefaultArgRange(); 15250bfe83b5a98ce37bf3a10274bca6f93ca4cb9696Argyrios Kyrtzidis if (ArgRange.isValid()) 15260bfe83b5a98ce37bf3a10274bca6f93ca4cb9696Argyrios Kyrtzidis return SourceRange(getOuterLocStart(), ArgRange.getEnd()); 15270bfe83b5a98ce37bf3a10274bca6f93ca4cb9696Argyrios Kyrtzidis } 15280bfe83b5a98ce37bf3a10274bca6f93ca4cb9696Argyrios Kyrtzidis 15290bfe83b5a98ce37bf3a10274bca6f93ca4cb9696Argyrios Kyrtzidis return DeclaratorDecl::getSourceRange(); 15300bfe83b5a98ce37bf3a10274bca6f93ca4cb9696Argyrios Kyrtzidis} 15310bfe83b5a98ce37bf3a10274bca6f93ca4cb9696Argyrios Kyrtzidis 15327783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlExpr *ParmVarDecl::getDefaultArg() { 15337783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl assert(!hasUnparsedDefaultArg() && "Default argument is not yet parsed!"); 15347783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl assert(!hasUninstantiatedDefaultArg() && 15357783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl "Default argument is not yet instantiated!"); 15367783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 15377783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl Expr *Arg = getInit(); 15384765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall if (ExprWithCleanups *E = dyn_cast_or_null<ExprWithCleanups>(Arg)) 15397783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return E->getSubExpr(); 15407783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 15417783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return Arg; 15427783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 15437783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 15447783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlSourceRange ParmVarDecl::getDefaultArgRange() const { 15457783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (const Expr *E = getInit()) 15467783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return E->getSourceRange(); 15477783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 15487783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (hasUninstantiatedDefaultArg()) 15497783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return getUninstantiatedDefaultArg()->getSourceRange(); 15507783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 15517783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return SourceRange(); 1552fc7e2a8fbb08f0f496ac6cea0721fe72db8ce240Argyrios Kyrtzidis} 1553fc7e2a8fbb08f0f496ac6cea0721fe72db8ce240Argyrios Kyrtzidis 15541fe85ea697fb5c85acded3ac0ddbc19f89c2e181Douglas Gregorbool ParmVarDecl::isParameterPack() const { 15551fe85ea697fb5c85acded3ac0ddbc19f89c2e181Douglas Gregor return isa<PackExpansionType>(getType()); 15561fe85ea697fb5c85acded3ac0ddbc19f89c2e181Douglas Gregor} 15571fe85ea697fb5c85acded3ac0ddbc19f89c2e181Douglas Gregor 1558d211cb709510fbe7e75167b9feee0050851d001aTed Kremenekvoid ParmVarDecl::setParameterIndexLarge(unsigned parameterIndex) { 1559d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek getASTContext().setParameterIndex(this, parameterIndex); 1560d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek ParmVarDeclBits.ParameterIndex = ParameterIndexSentinel; 1561d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek} 1562d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek 1563d211cb709510fbe7e75167b9feee0050851d001aTed Kremenekunsigned ParmVarDecl::getParameterIndexLarge() const { 1564d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek return getASTContext().getParameterIndex(this); 1565d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek} 1566d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek 156799f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes//===----------------------------------------------------------------------===// 15688a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner// FunctionDecl Implementation 15698a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner//===----------------------------------------------------------------------===// 15708a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner 1571da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregorvoid FunctionDecl::getNameForDiagnostic(std::string &S, 1572da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor const PrintingPolicy &Policy, 1573da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor bool Qualified) const { 1574da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor NamedDecl::getNameForDiagnostic(S, Policy, Qualified); 1575da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor const TemplateArgumentList *TemplateArgs = getTemplateSpecializationArgs(); 1576da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor if (TemplateArgs) 1577da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor S += TemplateSpecializationType::PrintTemplateArgumentList( 1578da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor TemplateArgs->data(), 1579da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor TemplateArgs->size(), 1580da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor Policy); 1581da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor 1582da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor} 1583da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor 15849498d388810d284d3970aef0d69fa4d069fd6cafTed Kremenekbool FunctionDecl::isVariadic() const { 15859498d388810d284d3970aef0d69fa4d069fd6cafTed Kremenek if (const FunctionProtoType *FT = getType()->getAs<FunctionProtoType>()) 15869498d388810d284d3970aef0d69fa4d069fd6cafTed Kremenek return FT->isVariadic(); 15879498d388810d284d3970aef0d69fa4d069fd6cafTed Kremenek return false; 15889498d388810d284d3970aef0d69fa4d069fd6cafTed Kremenek} 15899498d388810d284d3970aef0d69fa4d069fd6cafTed Kremenek 159006a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidisbool FunctionDecl::hasBody(const FunctionDecl *&Definition) const { 159106a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis for (redecl_iterator I = redecls_begin(), E = redecls_end(); I != E; ++I) { 15928387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet if (I->Body || I->IsLateTemplateParsed) { 159306a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis Definition = *I; 159406a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis return true; 159506a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis } 159606a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis } 159706a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis 159806a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis return false; 159906a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis} 160006a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis 1601ffb945ffb5d29b80fd93649c3572b6d87abce3fcAnders Carlssonbool FunctionDecl::hasTrivialBody() const 1602ffb945ffb5d29b80fd93649c3572b6d87abce3fcAnders Carlsson{ 1603ffb945ffb5d29b80fd93649c3572b6d87abce3fcAnders Carlsson Stmt *S = getBody(); 1604ffb945ffb5d29b80fd93649c3572b6d87abce3fcAnders Carlsson if (!S) { 1605ffb945ffb5d29b80fd93649c3572b6d87abce3fcAnders Carlsson // Since we don't have a body for this function, we don't know if it's 1606ffb945ffb5d29b80fd93649c3572b6d87abce3fcAnders Carlsson // trivial or not. 1607ffb945ffb5d29b80fd93649c3572b6d87abce3fcAnders Carlsson return false; 1608ffb945ffb5d29b80fd93649c3572b6d87abce3fcAnders Carlsson } 1609ffb945ffb5d29b80fd93649c3572b6d87abce3fcAnders Carlsson 1610ffb945ffb5d29b80fd93649c3572b6d87abce3fcAnders Carlsson if (isa<CompoundStmt>(S) && cast<CompoundStmt>(S)->body_empty()) 1611ffb945ffb5d29b80fd93649c3572b6d87abce3fcAnders Carlsson return true; 1612ffb945ffb5d29b80fd93649c3572b6d87abce3fcAnders Carlsson return false; 1613ffb945ffb5d29b80fd93649c3572b6d87abce3fcAnders Carlsson} 1614ffb945ffb5d29b80fd93649c3572b6d87abce3fcAnders Carlsson 161510620eb5164e31208fcbf0437cd79ae535ed0559Sean Huntbool FunctionDecl::isDefined(const FunctionDecl *&Definition) const { 161610620eb5164e31208fcbf0437cd79ae535ed0559Sean Hunt for (redecl_iterator I = redecls_begin(), E = redecls_end(); I != E; ++I) { 1617cd10dec673680fd18a2e5a27646173780c059d32Sean Hunt if (I->IsDeleted || I->IsDefaulted || I->Body || I->IsLateTemplateParsed) { 161810620eb5164e31208fcbf0437cd79ae535ed0559Sean Hunt Definition = I->IsDeleted ? I->getCanonicalDecl() : *I; 161910620eb5164e31208fcbf0437cd79ae535ed0559Sean Hunt return true; 162010620eb5164e31208fcbf0437cd79ae535ed0559Sean Hunt } 162110620eb5164e31208fcbf0437cd79ae535ed0559Sean Hunt } 162210620eb5164e31208fcbf0437cd79ae535ed0559Sean Hunt 162310620eb5164e31208fcbf0437cd79ae535ed0559Sean Hunt return false; 162410620eb5164e31208fcbf0437cd79ae535ed0559Sean Hunt} 162510620eb5164e31208fcbf0437cd79ae535ed0559Sean Hunt 16266fb0aee4f9dc261bbec72e1283ad8dc0557a6d96Argyrios KyrtzidisStmt *FunctionDecl::getBody(const FunctionDecl *&Definition) const { 1627c37929c9e0dba89770dc5f0fbcfa0c9046da0b06Argyrios Kyrtzidis for (redecl_iterator I = redecls_begin(), E = redecls_end(); I != E; ++I) { 1628c37929c9e0dba89770dc5f0fbcfa0c9046da0b06Argyrios Kyrtzidis if (I->Body) { 1629c37929c9e0dba89770dc5f0fbcfa0c9046da0b06Argyrios Kyrtzidis Definition = *I; 1630c37929c9e0dba89770dc5f0fbcfa0c9046da0b06Argyrios Kyrtzidis return I->Body.get(getASTContext().getExternalSource()); 16318387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet } else if (I->IsLateTemplateParsed) { 16328387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet Definition = *I; 16338387e2a41eef6fa17fb140a18c29b6eee9dd2b8aFrancois Pichet return 0; 1634f009795057dc8ca254f5618c80a0a90f07cd44b4Douglas Gregor } 1635f009795057dc8ca254f5618c80a0a90f07cd44b4Douglas Gregor } 1636f009795057dc8ca254f5618c80a0a90f07cd44b4Douglas Gregor 1637f009795057dc8ca254f5618c80a0a90f07cd44b4Douglas Gregor return 0; 16385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 16395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 164055d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidisvoid FunctionDecl::setBody(Stmt *B) { 164155d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis Body = B; 1642b5f35bae05f1ce3ae62ca52b266a086fd019e89bDouglas Gregor if (B) 164355d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis EndRangeLoc = B->getLocEnd(); 164455d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis} 164555d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis 16462138664dd2cff39de52ff11ca35f653c20b2e4b0Douglas Gregorvoid FunctionDecl::setPure(bool P) { 16472138664dd2cff39de52ff11ca35f653c20b2e4b0Douglas Gregor IsPure = P; 16482138664dd2cff39de52ff11ca35f653c20b2e4b0Douglas Gregor if (P) 16492138664dd2cff39de52ff11ca35f653c20b2e4b0Douglas Gregor if (CXXRecordDecl *Parent = dyn_cast<CXXRecordDecl>(getDeclContext())) 16502138664dd2cff39de52ff11ca35f653c20b2e4b0Douglas Gregor Parent->markedVirtualFunctionPure(); 16512138664dd2cff39de52ff11ca35f653c20b2e4b0Douglas Gregor} 16522138664dd2cff39de52ff11ca35f653c20b2e4b0Douglas Gregor 165348a83b5e7ae4051c7c11680ac00c1fa02d610a62Douglas Gregorbool FunctionDecl::isMain() const { 165423c608d6815f188cb0bd3444c9708383c6461036John McCall const TranslationUnitDecl *tunit = 165523c608d6815f188cb0bd3444c9708383c6461036John McCall dyn_cast<TranslationUnitDecl>(getDeclContext()->getRedeclContext()); 165623c608d6815f188cb0bd3444c9708383c6461036John McCall return tunit && 16575587803dfdb862d573289782f0c695872d9297a1Sean Hunt !tunit->getASTContext().getLangOptions().Freestanding && 165823c608d6815f188cb0bd3444c9708383c6461036John McCall getIdentifier() && 165923c608d6815f188cb0bd3444c9708383c6461036John McCall getIdentifier()->isStr("main"); 166023c608d6815f188cb0bd3444c9708383c6461036John McCall} 166123c608d6815f188cb0bd3444c9708383c6461036John McCall 166223c608d6815f188cb0bd3444c9708383c6461036John McCallbool FunctionDecl::isReservedGlobalPlacementOperator() const { 166323c608d6815f188cb0bd3444c9708383c6461036John McCall assert(getDeclName().getNameKind() == DeclarationName::CXXOperatorName); 166423c608d6815f188cb0bd3444c9708383c6461036John McCall assert(getDeclName().getCXXOverloadedOperator() == OO_New || 166523c608d6815f188cb0bd3444c9708383c6461036John McCall getDeclName().getCXXOverloadedOperator() == OO_Delete || 166623c608d6815f188cb0bd3444c9708383c6461036John McCall getDeclName().getCXXOverloadedOperator() == OO_Array_New || 166723c608d6815f188cb0bd3444c9708383c6461036John McCall getDeclName().getCXXOverloadedOperator() == OO_Array_Delete); 166823c608d6815f188cb0bd3444c9708383c6461036John McCall 166923c608d6815f188cb0bd3444c9708383c6461036John McCall if (isa<CXXRecordDecl>(getDeclContext())) return false; 167023c608d6815f188cb0bd3444c9708383c6461036John McCall assert(getDeclContext()->getRedeclContext()->isTranslationUnit()); 167123c608d6815f188cb0bd3444c9708383c6461036John McCall 167223c608d6815f188cb0bd3444c9708383c6461036John McCall const FunctionProtoType *proto = getType()->castAs<FunctionProtoType>(); 167323c608d6815f188cb0bd3444c9708383c6461036John McCall if (proto->getNumArgs() != 2 || proto->isVariadic()) return false; 167423c608d6815f188cb0bd3444c9708383c6461036John McCall 167523c608d6815f188cb0bd3444c9708383c6461036John McCall ASTContext &Context = 167623c608d6815f188cb0bd3444c9708383c6461036John McCall cast<TranslationUnitDecl>(getDeclContext()->getRedeclContext()) 167723c608d6815f188cb0bd3444c9708383c6461036John McCall ->getASTContext(); 167823c608d6815f188cb0bd3444c9708383c6461036John McCall 167923c608d6815f188cb0bd3444c9708383c6461036John McCall // The result type and first argument type are constant across all 168023c608d6815f188cb0bd3444c9708383c6461036John McCall // these operators. The second argument must be exactly void*. 168123c608d6815f188cb0bd3444c9708383c6461036John McCall return (proto->getArgType(1).getCanonicalType() == Context.VoidPtrTy); 168204495c859f81e440748a9b86baa2913461652bb0Douglas Gregor} 168304495c859f81e440748a9b86baa2913461652bb0Douglas Gregor 168448a83b5e7ae4051c7c11680ac00c1fa02d610a62Douglas Gregorbool FunctionDecl::isExternC() const { 1685750dc2b16fffa579f96ad053f061976a15ed4665Eli Friedman if (getLinkage() != ExternalLinkage) 1686750dc2b16fffa579f96ad053f061976a15ed4665Eli Friedman return false; 1687750dc2b16fffa579f96ad053f061976a15ed4665Eli Friedman 1688750dc2b16fffa579f96ad053f061976a15ed4665Eli Friedman if (getAttr<OverloadableAttr>()) 1689750dc2b16fffa579f96ad053f061976a15ed4665Eli Friedman return false; 16906393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor 169110aad449dfbb5b43611d45b99c88dfc26db7fac9Chandler Carruth const DeclContext *DC = getDeclContext(); 169210aad449dfbb5b43611d45b99c88dfc26db7fac9Chandler Carruth if (DC->isRecord()) 169310aad449dfbb5b43611d45b99c88dfc26db7fac9Chandler Carruth return false; 169410aad449dfbb5b43611d45b99c88dfc26db7fac9Chandler Carruth 1695750dc2b16fffa579f96ad053f061976a15ed4665Eli Friedman ASTContext &Context = getASTContext(); 1696750dc2b16fffa579f96ad053f061976a15ed4665Eli Friedman if (!Context.getLangOptions().CPlusPlus) 1697750dc2b16fffa579f96ad053f061976a15ed4665Eli Friedman return true; 16986393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor 1699750dc2b16fffa579f96ad053f061976a15ed4665Eli Friedman return isMain() || DC->isExternCContext(); 17006393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor} 17016393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor 17028499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregorbool FunctionDecl::isGlobal() const { 17038499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor if (const CXXMethodDecl *Method = dyn_cast<CXXMethodDecl>(this)) 17048499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor return Method->isStatic(); 17058499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor 1706d931b086984257de68868a64a235c2b4b34003fbJohn McCall if (getStorageClass() == SC_Static) 17078499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor return false; 17088499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor 17091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (const DeclContext *DC = getDeclContext(); 17108499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor DC->isNamespace(); 17118499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor DC = DC->getParent()) { 17128499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor if (const NamespaceDecl *Namespace = cast<NamespaceDecl>(DC)) { 17138499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor if (!Namespace->getDeclName()) 17148499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor return false; 17158499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor break; 17168499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor } 17178499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor } 17188499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor 17198499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor return true; 17208499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor} 17218499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor 17227783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlvoid 17237783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlFunctionDecl::setPreviousDeclaration(FunctionDecl *PrevDecl) { 17247783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl redeclarable_base::setPreviousDeclaration(PrevDecl); 17257783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 17267783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (FunctionTemplateDecl *FunTmpl = getDescribedFunctionTemplate()) { 17277783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl FunctionTemplateDecl *PrevFunTmpl 17287783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl = PrevDecl? PrevDecl->getDescribedFunctionTemplate() : 0; 17297783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl assert((!PrevDecl || PrevFunTmpl) && "Function/function template mismatch"); 17307783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl FunTmpl->setPreviousDeclaration(PrevFunTmpl); 17317783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl } 17328f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor 1733d9d137e6bc54bad6a7aa64b667aea22230e8264bAxel Naumann if (PrevDecl && PrevDecl->IsInline) 17348f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor IsInline = true; 17357783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 17367783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 17377783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlconst FunctionDecl *FunctionDecl::getCanonicalDecl() const { 17387783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return getFirstDeclaration(); 17397783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 17407783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 17417783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlFunctionDecl *FunctionDecl::getCanonicalDecl() { 17427783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return getFirstDeclaration(); 17437783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 17447783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 1745381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregorvoid FunctionDecl::setStorageClass(StorageClass SC) { 1746381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor assert(isLegalForFunction(SC)); 1747381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor if (getStorageClass() != SC) 1748381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor ClearLinkageCache(); 1749381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor 1750381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor SClass = SC; 1751381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor} 1752381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor 17533e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// \brief Returns a value indicating whether this function 17543e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// corresponds to a builtin function. 17553e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// 17563e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// The function corresponds to a built-in function if it is 17573e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// declared at translation scope or within an extern "C" block and 17583e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// its name matches with the name of a builtin. The returned value 17593e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// will be 0 for functions that do not correspond to a builtin, a 17601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// value of type \c Builtin::ID if in the target-independent range 17613e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// \c [1,Builtin::First), or a target-specific builtin value. 17627814e6d6645d587891293d59ecf6576defcfac92Douglas Gregorunsigned FunctionDecl::getBuiltinID() const { 17637814e6d6645d587891293d59ecf6576defcfac92Douglas Gregor ASTContext &Context = getASTContext(); 17643c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor if (!getIdentifier() || !getIdentifier()->getBuiltinID()) 17653c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor return 0; 17663c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor 17673c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor unsigned BuiltinID = getIdentifier()->getBuiltinID(); 17683c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor if (!Context.BuiltinInfo.isPredefinedLibFunction(BuiltinID)) 17693c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor return BuiltinID; 17703c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor 17713c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // This function has the name of a known C library 17723c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // function. Determine whether it actually refers to the C library 17733c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // function or whether it just has the same name. 17743c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor 17759add31798f621f843233dbff8bba103fca64447bDouglas Gregor // If this is a static function, it's not a builtin. 1776d931b086984257de68868a64a235c2b4b34003fbJohn McCall if (getStorageClass() == SC_Static) 17779add31798f621f843233dbff8bba103fca64447bDouglas Gregor return 0; 17789add31798f621f843233dbff8bba103fca64447bDouglas Gregor 17793c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // If this function is at translation-unit scope and we're not in 17803c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // C++, it refers to the C library function. 17813c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor if (!Context.getLangOptions().CPlusPlus && 17823c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor getDeclContext()->isTranslationUnit()) 17833c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor return BuiltinID; 17843c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor 17853c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // If the function is in an extern "C" linkage specification and is 17863c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // not marked "overloadable", it's the real function. 17873c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor if (isa<LinkageSpecDecl>(getDeclContext()) && 17881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump cast<LinkageSpecDecl>(getDeclContext())->getLanguage() 17893c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor == LinkageSpecDecl::lang_c && 179040b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis !getAttr<OverloadableAttr>()) 17913c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor return BuiltinID; 17923c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor 17933c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // Not a builtin 17943e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor return 0; 17953e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor} 17963e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor 17973e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor 17981ad9b28e3217c2349a04f3d3bf14f9c73a99afa7Chris Lattner/// getNumParams - Return the number of parameters this function must have 17998dbfbf4c95251c69a455d4d016d6c7890c932007Bob Wilson/// based on its FunctionType. This is the length of the ParamInfo array 18001ad9b28e3217c2349a04f3d3bf14f9c73a99afa7Chris Lattner/// after it has been created. 18011ad9b28e3217c2349a04f3d3bf14f9c73a99afa7Chris Lattnerunsigned FunctionDecl::getNumParams() const { 1802183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *FT = getType()->getAs<FunctionType>(); 180372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor if (isa<FunctionNoProtoType>(FT)) 1804d3b9065ec7052ec4741783d2fb4130d13c766933Chris Lattner return 0; 180572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return cast<FunctionProtoType>(FT)->getNumArgs(); 18061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 18085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18096b5415196327fa8ef00f028ba175fafef1738ae1Argyrios Kyrtzidisvoid FunctionDecl::setParams(ASTContext &C, 18104278c654b645402554eb52a48e9c7097c9f1233aDavid Blaikie llvm::ArrayRef<ParmVarDecl *> NewParamInfo) { 18115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(ParamInfo == 0 && "Already has param info!"); 18124278c654b645402554eb52a48e9c7097c9f1233aDavid Blaikie assert(NewParamInfo.size() == getNumParams() && "Parameter count mismatch!"); 18131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Zero params -> null pointer. 18154278c654b645402554eb52a48e9c7097c9f1233aDavid Blaikie if (!NewParamInfo.empty()) { 18164278c654b645402554eb52a48e9c7097c9f1233aDavid Blaikie ParamInfo = new (C) ParmVarDecl*[NewParamInfo.size()]; 18174278c654b645402554eb52a48e9c7097c9f1233aDavid Blaikie std::copy(NewParamInfo.begin(), NewParamInfo.end(), ParamInfo); 18185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 18205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18218123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner/// getMinRequiredArguments - Returns the minimum number of arguments 18228123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner/// needed to call this function. This may be fewer than the number of 18238123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner/// function parameters, if some of the parameters have default 1824f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor/// arguments (in C++) or the last parameter is a parameter pack. 18258123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattnerunsigned FunctionDecl::getMinRequiredArguments() const { 18267d5c0c1273bdc1cb3dff1cb5a62d07b1439e82c7Douglas Gregor if (!getASTContext().getLangOptions().CPlusPlus) 18277d5c0c1273bdc1cb3dff1cb5a62d07b1439e82c7Douglas Gregor return getNumParams(); 18287d5c0c1273bdc1cb3dff1cb5a62d07b1439e82c7Douglas Gregor 1829f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor unsigned NumRequiredArgs = getNumParams(); 1830f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor 1831f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor // If the last parameter is a parameter pack, we don't need an argument for 1832f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor // it. 1833f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor if (NumRequiredArgs > 0 && 1834f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor getParamDecl(NumRequiredArgs - 1)->isParameterPack()) 1835f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor --NumRequiredArgs; 1836f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor 1837f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor // If this parameter has a default argument, we don't need an argument for 1838f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor // it. 1839f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor while (NumRequiredArgs > 0 && 1840f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor getParamDecl(NumRequiredArgs-1)->hasDefaultArg()) 18418123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner --NumRequiredArgs; 18428123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner 18437d5c0c1273bdc1cb3dff1cb5a62d07b1439e82c7Douglas Gregor // We might have parameter packs before the end. These can't be deduced, 18447d5c0c1273bdc1cb3dff1cb5a62d07b1439e82c7Douglas Gregor // but they can still handle multiple arguments. 18457d5c0c1273bdc1cb3dff1cb5a62d07b1439e82c7Douglas Gregor unsigned ArgIdx = NumRequiredArgs; 18467d5c0c1273bdc1cb3dff1cb5a62d07b1439e82c7Douglas Gregor while (ArgIdx > 0) { 18477d5c0c1273bdc1cb3dff1cb5a62d07b1439e82c7Douglas Gregor if (getParamDecl(ArgIdx - 1)->isParameterPack()) 18487d5c0c1273bdc1cb3dff1cb5a62d07b1439e82c7Douglas Gregor NumRequiredArgs = ArgIdx; 18497d5c0c1273bdc1cb3dff1cb5a62d07b1439e82c7Douglas Gregor 18507d5c0c1273bdc1cb3dff1cb5a62d07b1439e82c7Douglas Gregor --ArgIdx; 18517d5c0c1273bdc1cb3dff1cb5a62d07b1439e82c7Douglas Gregor } 18527d5c0c1273bdc1cb3dff1cb5a62d07b1439e82c7Douglas Gregor 18538123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner return NumRequiredArgs; 18548123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner} 18558123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner 18567ced9c8529b734e313f62a3b81189d6f402f6713Douglas Gregorbool FunctionDecl::isInlined() const { 18578f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor if (IsInline) 18587d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor return true; 185948eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson 186048eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson if (isa<CXXMethodDecl>(this)) { 186148eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson if (!isOutOfLine() || getCanonicalDecl()->isInlineSpecified()) 186248eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson return true; 186348eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson } 18647d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor 18657d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor switch (getTemplateSpecializationKind()) { 18667d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor case TSK_Undeclared: 18677d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor case TSK_ExplicitSpecialization: 18687d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor return false; 18697d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor 18707d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor case TSK_ImplicitInstantiation: 18717d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor case TSK_ExplicitInstantiationDeclaration: 18727d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor case TSK_ExplicitInstantiationDefinition: 18737d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor // Handle below. 18747d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor break; 18757d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor } 18767d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor 18777d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor const FunctionDecl *PatternDecl = getTemplateInstantiationPattern(); 187806a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis bool HasPattern = false; 18797d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor if (PatternDecl) 188006a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis HasPattern = PatternDecl->hasBody(PatternDecl); 18817d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor 188206a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis if (HasPattern && PatternDecl) 18837d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor return PatternDecl->isInlined(); 18847d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor 18857d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor return false; 18867ced9c8529b734e313f62a3b81189d6f402f6713Douglas Gregor} 18877ced9c8529b734e313f62a3b81189d6f402f6713Douglas Gregor 1888dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky/// \brief For a function declaration in C or C++, determine whether this 1889dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky/// declaration causes the definition to be externally visible. 1890dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky/// 1891dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky/// Determines whether this is the first non-inline redeclaration of an inline 1892dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky/// function in a language where "inline" does not normally require an 1893dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky/// externally visible definition. 1894dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewyckybool FunctionDecl::doesDeclarationForceExternallyVisibleDefinition() const { 1895dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky assert(!doesThisDeclarationHaveABody() && 1896dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky "Must have a declaration without a body."); 1897dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky 1898dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky ASTContext &Context = getASTContext(); 1899dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky 1900dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky // In C99 mode, a function may have an inline definition (causing it to 1901dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky // be deferred) then redeclared later. As a special case, "extern inline" 1902dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky // is not required to produce an external symbol. 1903dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky if (Context.getLangOptions().GNUInline || !Context.getLangOptions().C99 || 1904dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky Context.getLangOptions().CPlusPlus) 1905dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky return false; 1906dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky if (getLinkage() != ExternalLinkage || isInlineSpecified()) 1907dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky return false; 1908f57ef0516c011237a1b6a5b2585b99caf0396bd7Nick Lewycky const FunctionDecl *Definition = 0; 1909f57ef0516c011237a1b6a5b2585b99caf0396bd7Nick Lewycky if (hasBody(Definition)) 1910f57ef0516c011237a1b6a5b2585b99caf0396bd7Nick Lewycky return Definition->isInlined() && 1911f57ef0516c011237a1b6a5b2585b99caf0396bd7Nick Lewycky Definition->isInlineDefinitionExternallyVisible(); 1912dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky return false; 1913dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky} 1914dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky 19157d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor/// \brief For an inline function definition in C or C++, determine whether the 19161fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// definition will be externally visible. 19171fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// 19181fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// Inline function definitions are always available for inlining optimizations. 19191fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// However, depending on the language dialect, declaration specifiers, and 19201fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// attributes, the definition of an inline function may or may not be 19211fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// "externally" visible to other translation units in the program. 19221fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// 19231fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// In C99, inline definitions are not externally visible by default. However, 19241e5fd7f8e90e0953e5c59cbbbc130633d84a1e37Mike Stump/// if even one of the global-scope declarations is marked "extern inline", the 19251fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// inline definition becomes externally visible (C99 6.7.4p6). 19261fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// 19271fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// In GNU89 mode, or if the gnu_inline attribute is attached to the function 19281fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// definition, we use the GNU semantics for inline, which are nearly the 19291fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// opposite of C99 semantics. In particular, "inline" by itself will create 19301fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// an externally visible symbol, but "extern inline" will not create an 19311fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// externally visible symbol. 19321fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregorbool FunctionDecl::isInlineDefinitionExternallyVisible() const { 193310620eb5164e31208fcbf0437cd79ae535ed0559Sean Hunt assert(doesThisDeclarationHaveABody() && "Must have the function definition"); 19347ced9c8529b734e313f62a3b81189d6f402f6713Douglas Gregor assert(isInlined() && "Function must be inline"); 19357d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor ASTContext &Context = getASTContext(); 19361fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor 1937fb3f4aad0436a9c40e9130598162150890c405b5Rafael Espindola if (Context.getLangOptions().GNUInline || hasAttr<GNUInlineAttr>()) { 19388f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor // If it's not the case that both 'inline' and 'extern' are 19398f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor // specified on the definition, then this inline definition is 19408f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor // externally visible. 19418f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor if (!(isInlineSpecified() && getStorageClassAsWritten() == SC_Extern)) 19428f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor return true; 19438f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor 19448f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor // If any declaration is 'inline' but not 'extern', then this definition 19458f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor // is externally visible. 19461fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor for (redecl_iterator Redecl = redecls_begin(), RedeclEnd = redecls_end(); 19471fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor Redecl != RedeclEnd; 19481fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor ++Redecl) { 19498f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor if (Redecl->isInlineSpecified() && 19508f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor Redecl->getStorageClassAsWritten() != SC_Extern) 19511fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor return true; 19528f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor } 19531fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor 19549f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor return false; 19551fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor } 19561fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor 19571fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // C99 6.7.4p6: 19581fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // [...] If all of the file scope declarations for a function in a 19591fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // translation unit include the inline function specifier without extern, 19601fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // then the definition in that translation unit is an inline definition. 19611fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor for (redecl_iterator Redecl = redecls_begin(), RedeclEnd = redecls_end(); 19621fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor Redecl != RedeclEnd; 19631fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor ++Redecl) { 19641fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // Only consider file-scope declarations in this test. 19651fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor if (!Redecl->getLexicalDeclContext()->isTranslationUnit()) 19661fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor continue; 19678a1d6a5eec8287729084e2a79b39fac96a9c75cdEli Friedman 19688a1d6a5eec8287729084e2a79b39fac96a9c75cdEli Friedman // Only consider explicit declarations; the presence of a builtin for a 19698a1d6a5eec8287729084e2a79b39fac96a9c75cdEli Friedman // libcall shouldn't affect whether a definition is externally visible. 19708a1d6a5eec8287729084e2a79b39fac96a9c75cdEli Friedman if (Redecl->isImplicit()) 19718a1d6a5eec8287729084e2a79b39fac96a9c75cdEli Friedman continue; 19728a1d6a5eec8287729084e2a79b39fac96a9c75cdEli Friedman 1973d931b086984257de68868a64a235c2b4b34003fbJohn McCall if (!Redecl->isInlineSpecified() || Redecl->getStorageClass() == SC_Extern) 19741fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor return true; // Not an inline definition 19751fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor } 19761fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor 19771fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // C99 6.7.4p6: 19781fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // An inline definition does not provide an external definition for the 19791fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // function, and does not forbid an external definition in another 19801fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // translation unit. 19819f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor return false; 19829f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor} 19839f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor 19841cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// getOverloadedOperator - Which C++ overloaded operator this 19851cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// function represents, if any. 19861cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas GregorOverloadedOperatorKind FunctionDecl::getOverloadedOperator() const { 1987e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor if (getDeclName().getNameKind() == DeclarationName::CXXOperatorName) 1988e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor return getDeclName().getCXXOverloadedOperator(); 19891cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor else 19901cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor return OO_None; 19911cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor} 19921cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 1993a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt/// getLiteralIdentifier - The literal suffix identifier this function 1994a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt/// represents, if any. 1995a6c058dd75c5563cced821fc16766a7cc179e00cSean Huntconst IdentifierInfo *FunctionDecl::getLiteralIdentifier() const { 1996a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt if (getDeclName().getNameKind() == DeclarationName::CXXLiteralOperatorName) 1997a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt return getDeclName().getCXXLiteralIdentifier(); 1998a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt else 1999a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt return 0; 2000a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt} 2001a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt 2002d0913557c800c8a712fb554032a833619f23bc56Argyrios KyrtzidisFunctionDecl::TemplatedKind FunctionDecl::getTemplatedKind() const { 2003d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis if (TemplateOrSpecialization.isNull()) 2004d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis return TK_NonTemplate; 2005d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis if (TemplateOrSpecialization.is<FunctionTemplateDecl *>()) 2006d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis return TK_FunctionTemplate; 2007d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis if (TemplateOrSpecialization.is<MemberSpecializationInfo *>()) 2008d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis return TK_MemberSpecialization; 2009d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis if (TemplateOrSpecialization.is<FunctionTemplateSpecializationInfo *>()) 2010d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis return TK_FunctionTemplateSpecialization; 2011d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis if (TemplateOrSpecialization.is 2012d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis <DependentFunctionTemplateSpecializationInfo*>()) 2013d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis return TK_DependentFunctionTemplateSpecialization; 2014d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis 2015b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Did we miss a TemplateOrSpecialization type?"); 2016d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis} 2017d0913557c800c8a712fb554032a833619f23bc56Argyrios Kyrtzidis 20182db323294ac02296125e1e0beb4c3595992e75bbDouglas GregorFunctionDecl *FunctionDecl::getInstantiatedFromMemberFunction() const { 2019b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor if (MemberSpecializationInfo *Info = getMemberSpecializationInfo()) 20202db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor return cast<FunctionDecl>(Info->getInstantiatedFrom()); 20212db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor 20222db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor return 0; 20232db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor} 20242db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor 2025b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas GregorMemberSpecializationInfo *FunctionDecl::getMemberSpecializationInfo() const { 2026b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor return TemplateOrSpecialization.dyn_cast<MemberSpecializationInfo*>(); 2027b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor} 2028b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor 20292db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregorvoid 20306b5415196327fa8ef00f028ba175fafef1738ae1Argyrios KyrtzidisFunctionDecl::setInstantiationOfMemberFunction(ASTContext &C, 20316b5415196327fa8ef00f028ba175fafef1738ae1Argyrios Kyrtzidis FunctionDecl *FD, 20322db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor TemplateSpecializationKind TSK) { 20332db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor assert(TemplateOrSpecialization.isNull() && 20342db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor "Member function is already a specialization"); 20352db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor MemberSpecializationInfo *Info 20366b5415196327fa8ef00f028ba175fafef1738ae1Argyrios Kyrtzidis = new (C) MemberSpecializationInfo(FD, TSK); 20372db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor TemplateOrSpecialization = Info; 20382db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor} 20392db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor 20403b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregorbool FunctionDecl::isImplicitlyInstantiable() const { 20416cfacfe54c75baa4d67f1fbdf4f80644b662818eDouglas Gregor // If the function is invalid, it can't be implicitly instantiated. 20426cfacfe54c75baa4d67f1fbdf4f80644b662818eDouglas Gregor if (isInvalidDecl()) 20433b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return false; 20443b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 20453b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor switch (getTemplateSpecializationKind()) { 20463b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor case TSK_Undeclared: 20473b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor case TSK_ExplicitInstantiationDefinition: 20483b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return false; 20493b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 20503b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor case TSK_ImplicitInstantiation: 20513b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return true; 20523b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 2053af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet // It is possible to instantiate TSK_ExplicitSpecialization kind 2054af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet // if the FunctionDecl has a class scope specialization pattern. 2055af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet case TSK_ExplicitSpecialization: 2056af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet return getClassScopeSpecializationPattern() != 0; 2057af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet 20583b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor case TSK_ExplicitInstantiationDeclaration: 20593b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // Handled below. 20603b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor break; 20613b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor } 20623b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 20633b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // Find the actual template from which we will instantiate. 20643b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor const FunctionDecl *PatternDecl = getTemplateInstantiationPattern(); 206506a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis bool HasPattern = false; 20663b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor if (PatternDecl) 206706a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis HasPattern = PatternDecl->hasBody(PatternDecl); 20683b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 20693b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // C++0x [temp.explicit]p9: 20703b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // Except for inline functions, other explicit instantiation declarations 20713b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // have the effect of suppressing the implicit instantiation of the entity 20723b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // to which they refer. 207306a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis if (!HasPattern || !PatternDecl) 20743b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return true; 20753b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 20767ced9c8529b734e313f62a3b81189d6f402f6713Douglas Gregor return PatternDecl->isInlined(); 207775df4eeede7b91c22c1d63fafd4dd4142844e3b9Ted Kremenek} 207875df4eeede7b91c22c1d63fafd4dd4142844e3b9Ted Kremenek 207975df4eeede7b91c22c1d63fafd4dd4142844e3b9Ted Kremenekbool FunctionDecl::isTemplateInstantiation() const { 208075df4eeede7b91c22c1d63fafd4dd4142844e3b9Ted Kremenek switch (getTemplateSpecializationKind()) { 208175df4eeede7b91c22c1d63fafd4dd4142844e3b9Ted Kremenek case TSK_Undeclared: 208275df4eeede7b91c22c1d63fafd4dd4142844e3b9Ted Kremenek case TSK_ExplicitSpecialization: 208375df4eeede7b91c22c1d63fafd4dd4142844e3b9Ted Kremenek return false; 208475df4eeede7b91c22c1d63fafd4dd4142844e3b9Ted Kremenek case TSK_ImplicitInstantiation: 208575df4eeede7b91c22c1d63fafd4dd4142844e3b9Ted Kremenek case TSK_ExplicitInstantiationDeclaration: 208675df4eeede7b91c22c1d63fafd4dd4142844e3b9Ted Kremenek case TSK_ExplicitInstantiationDefinition: 208775df4eeede7b91c22c1d63fafd4dd4142844e3b9Ted Kremenek return true; 208875df4eeede7b91c22c1d63fafd4dd4142844e3b9Ted Kremenek } 208975df4eeede7b91c22c1d63fafd4dd4142844e3b9Ted Kremenek llvm_unreachable("All TSK values handled."); 209075df4eeede7b91c22c1d63fafd4dd4142844e3b9Ted Kremenek} 20913b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 20923b846b6c252972a6f142aa226c1e65aebd0feecaDouglas GregorFunctionDecl *FunctionDecl::getTemplateInstantiationPattern() const { 2093af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet // Handle class scope explicit specialization special case. 2094af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet if (getTemplateSpecializationKind() == TSK_ExplicitSpecialization) 2095af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet return getClassScopeSpecializationPattern(); 2096af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet 20973b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor if (FunctionTemplateDecl *Primary = getPrimaryTemplate()) { 20983b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor while (Primary->getInstantiatedFromMemberTemplate()) { 20993b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // If we have hit a point where the user provided a specialization of 21003b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // this template, we're done looking. 21013b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor if (Primary->isMemberSpecialization()) 21023b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor break; 21033b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 21043b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor Primary = Primary->getInstantiatedFromMemberTemplate(); 21053b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor } 21063b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 21073b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return Primary->getTemplatedDecl(); 21083b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor } 21093b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 21103b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return getInstantiatedFromMemberFunction(); 21113b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor} 21123b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 211316e8be2ac532358d4e413fdfa2643b1876edda78Douglas GregorFunctionTemplateDecl *FunctionDecl::getPrimaryTemplate() const { 21141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionTemplateSpecializationInfo *Info 211516e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor = TemplateOrSpecialization 211616e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor .dyn_cast<FunctionTemplateSpecializationInfo*>()) { 21171fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor return Info->Template.getPointer(); 211816e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor } 211916e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor return 0; 212016e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor} 212116e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor 2122af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois PichetFunctionDecl *FunctionDecl::getClassScopeSpecializationPattern() const { 2123af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet return getASTContext().getClassScopeSpecializationPattern(this); 2124af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet} 2125af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet 212616e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregorconst TemplateArgumentList * 212716e8be2ac532358d4e413fdfa2643b1876edda78Douglas GregorFunctionDecl::getTemplateSpecializationArgs() const { 21281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionTemplateSpecializationInfo *Info 2129fd056bc86a8b22a9421b5d921bbca276d0f9d0f7Douglas Gregor = TemplateOrSpecialization 2130fd056bc86a8b22a9421b5d921bbca276d0f9d0f7Douglas Gregor .dyn_cast<FunctionTemplateSpecializationInfo*>()) { 213116e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor return Info->TemplateArguments; 213216e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor } 213316e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor return 0; 213416e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor} 213516e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor 213671a7605977113c795edd44fcbd2302ad49506653Argyrios Kyrtzidisconst ASTTemplateArgumentListInfo * 2137e03db98d67111ebf7622d9086951aacc24406b66Abramo BagnaraFunctionDecl::getTemplateSpecializationArgsAsWritten() const { 2138e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara if (FunctionTemplateSpecializationInfo *Info 2139e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara = TemplateOrSpecialization 2140e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara .dyn_cast<FunctionTemplateSpecializationInfo*>()) { 2141e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara return Info->TemplateArgumentsAsWritten; 2142e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara } 2143e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara return 0; 2144e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara} 2145e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara 21461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 21476b5415196327fa8ef00f028ba175fafef1738ae1Argyrios KyrtzidisFunctionDecl::setFunctionTemplateSpecialization(ASTContext &C, 21486b5415196327fa8ef00f028ba175fafef1738ae1Argyrios Kyrtzidis FunctionTemplateDecl *Template, 2149127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor const TemplateArgumentList *TemplateArgs, 2150b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor void *InsertPos, 2151e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara TemplateSpecializationKind TSK, 21527b081c8604efd33bc7f7e5c1e9427a031eedb2b4Argyrios Kyrtzidis const TemplateArgumentListInfo *TemplateArgsAsWritten, 21537b081c8604efd33bc7f7e5c1e9427a031eedb2b4Argyrios Kyrtzidis SourceLocation PointOfInstantiation) { 2154b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor assert(TSK != TSK_Undeclared && 2155b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor "Must specify the type of function template specialization"); 21561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FunctionTemplateSpecializationInfo *Info 215716e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor = TemplateOrSpecialization.dyn_cast<FunctionTemplateSpecializationInfo*>(); 21581637be727f2a0434c1ed7aa385ea1c18328b0ccdDouglas Gregor if (!Info) 2159a626a3d0fb74455651f742c0938902a42e6e71c8Argyrios Kyrtzidis Info = FunctionTemplateSpecializationInfo::Create(C, this, Template, TSK, 2160a626a3d0fb74455651f742c0938902a42e6e71c8Argyrios Kyrtzidis TemplateArgs, 2161a626a3d0fb74455651f742c0938902a42e6e71c8Argyrios Kyrtzidis TemplateArgsAsWritten, 2162a626a3d0fb74455651f742c0938902a42e6e71c8Argyrios Kyrtzidis PointOfInstantiation); 21631637be727f2a0434c1ed7aa385ea1c18328b0ccdDouglas Gregor TemplateOrSpecialization = Info; 21641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2165127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor // Insert this function template specialization into the set of known 2166b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor // function template specializations. 2167b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor if (InsertPos) 21685bbcdbf36f8cf79d99703ef20848c55960065e43Sebastian Redl Template->addSpecialization(Info, InsertPos); 2169b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor else { 21702c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis // Try to insert the new node. If there is an existing node, leave it, the 21712c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis // set will contain the canonical decls while 21722c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis // FunctionTemplateDecl::findSpecialization will return 21732c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis // the most recent redeclarations. 2174b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor FunctionTemplateSpecializationInfo *Existing 2175b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor = Template->getSpecializations().GetOrInsertNode(Info); 21762c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis (void)Existing; 21772c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis assert((!Existing || Existing->Function->isCanonicalDecl()) && 21782c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis "Set is supposed to only contain canonical decls"); 2179b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor } 21801637be727f2a0434c1ed7aa385ea1c18328b0ccdDouglas Gregor} 21811637be727f2a0434c1ed7aa385ea1c18328b0ccdDouglas Gregor 2182af2094e7cecadf36667deb61a83587ffdd979bd3John McCallvoid 2183af2094e7cecadf36667deb61a83587ffdd979bd3John McCallFunctionDecl::setDependentTemplateSpecialization(ASTContext &Context, 2184af2094e7cecadf36667deb61a83587ffdd979bd3John McCall const UnresolvedSetImpl &Templates, 2185af2094e7cecadf36667deb61a83587ffdd979bd3John McCall const TemplateArgumentListInfo &TemplateArgs) { 2186af2094e7cecadf36667deb61a83587ffdd979bd3John McCall assert(TemplateOrSpecialization.isNull()); 2187af2094e7cecadf36667deb61a83587ffdd979bd3John McCall size_t Size = sizeof(DependentFunctionTemplateSpecializationInfo); 2188af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Size += Templates.size() * sizeof(FunctionTemplateDecl*); 218921c0160959961b3a6ab3308608ee3fde182ecb49John McCall Size += TemplateArgs.size() * sizeof(TemplateArgumentLoc); 2190af2094e7cecadf36667deb61a83587ffdd979bd3John McCall void *Buffer = Context.Allocate(Size); 2191af2094e7cecadf36667deb61a83587ffdd979bd3John McCall DependentFunctionTemplateSpecializationInfo *Info = 2192af2094e7cecadf36667deb61a83587ffdd979bd3John McCall new (Buffer) DependentFunctionTemplateSpecializationInfo(Templates, 2193af2094e7cecadf36667deb61a83587ffdd979bd3John McCall TemplateArgs); 2194af2094e7cecadf36667deb61a83587ffdd979bd3John McCall TemplateOrSpecialization = Info; 2195af2094e7cecadf36667deb61a83587ffdd979bd3John McCall} 2196af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 2197af2094e7cecadf36667deb61a83587ffdd979bd3John McCallDependentFunctionTemplateSpecializationInfo:: 2198af2094e7cecadf36667deb61a83587ffdd979bd3John McCallDependentFunctionTemplateSpecializationInfo(const UnresolvedSetImpl &Ts, 2199af2094e7cecadf36667deb61a83587ffdd979bd3John McCall const TemplateArgumentListInfo &TArgs) 2200af2094e7cecadf36667deb61a83587ffdd979bd3John McCall : AngleLocs(TArgs.getLAngleLoc(), TArgs.getRAngleLoc()) { 2201af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 2202af2094e7cecadf36667deb61a83587ffdd979bd3John McCall d.NumTemplates = Ts.size(); 2203af2094e7cecadf36667deb61a83587ffdd979bd3John McCall d.NumArgs = TArgs.size(); 2204af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 2205af2094e7cecadf36667deb61a83587ffdd979bd3John McCall FunctionTemplateDecl **TsArray = 2206af2094e7cecadf36667deb61a83587ffdd979bd3John McCall const_cast<FunctionTemplateDecl**>(getTemplates()); 2207af2094e7cecadf36667deb61a83587ffdd979bd3John McCall for (unsigned I = 0, E = Ts.size(); I != E; ++I) 2208af2094e7cecadf36667deb61a83587ffdd979bd3John McCall TsArray[I] = cast<FunctionTemplateDecl>(Ts[I]->getUnderlyingDecl()); 2209af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 2210af2094e7cecadf36667deb61a83587ffdd979bd3John McCall TemplateArgumentLoc *ArgsArray = 2211af2094e7cecadf36667deb61a83587ffdd979bd3John McCall const_cast<TemplateArgumentLoc*>(getTemplateArgs()); 2212af2094e7cecadf36667deb61a83587ffdd979bd3John McCall for (unsigned I = 0, E = TArgs.size(); I != E; ++I) 2213af2094e7cecadf36667deb61a83587ffdd979bd3John McCall new (&ArgsArray[I]) TemplateArgumentLoc(TArgs[I]); 2214af2094e7cecadf36667deb61a83587ffdd979bd3John McCall} 2215af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 2216d0e3daf2b980b505e535d35b432c938c6d0208efDouglas GregorTemplateSpecializationKind FunctionDecl::getTemplateSpecializationKind() const { 22171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // For a function template specialization, query the specialization 2218d0e3daf2b980b505e535d35b432c938c6d0208efDouglas Gregor // information object. 22192db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor FunctionTemplateSpecializationInfo *FTSInfo 22201fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor = TemplateOrSpecialization.dyn_cast<FunctionTemplateSpecializationInfo*>(); 22212db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor if (FTSInfo) 22222db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor return FTSInfo->getTemplateSpecializationKind(); 2223d0e3daf2b980b505e535d35b432c938c6d0208efDouglas Gregor 22242db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor MemberSpecializationInfo *MSInfo 22252db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor = TemplateOrSpecialization.dyn_cast<MemberSpecializationInfo*>(); 22262db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor if (MSInfo) 22272db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor return MSInfo->getTemplateSpecializationKind(); 22282db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor 22292db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor return TSK_Undeclared; 22301fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor} 22311fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor 22321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 22330a897e32a09d290aa5b375444fe33928e47168bbDouglas GregorFunctionDecl::setTemplateSpecializationKind(TemplateSpecializationKind TSK, 22340a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor SourceLocation PointOfInstantiation) { 22352db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor if (FunctionTemplateSpecializationInfo *FTSInfo 22362db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor = TemplateOrSpecialization.dyn_cast< 22370a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor FunctionTemplateSpecializationInfo*>()) { 22382db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor FTSInfo->setTemplateSpecializationKind(TSK); 22390a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor if (TSK != TSK_ExplicitSpecialization && 22400a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor PointOfInstantiation.isValid() && 22410a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor FTSInfo->getPointOfInstantiation().isInvalid()) 22420a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor FTSInfo->setPointOfInstantiation(PointOfInstantiation); 22430a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor } else if (MemberSpecializationInfo *MSInfo 22440a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor = TemplateOrSpecialization.dyn_cast<MemberSpecializationInfo*>()) { 22452db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor MSInfo->setTemplateSpecializationKind(TSK); 22460a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor if (TSK != TSK_ExplicitSpecialization && 22470a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor PointOfInstantiation.isValid() && 22480a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor MSInfo->getPointOfInstantiation().isInvalid()) 22490a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor MSInfo->setPointOfInstantiation(PointOfInstantiation); 22500a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor } else 2251b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Function cannot have a template specialization kind"); 22521fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor} 22531fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor 22540a897e32a09d290aa5b375444fe33928e47168bbDouglas GregorSourceLocation FunctionDecl::getPointOfInstantiation() const { 22550a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor if (FunctionTemplateSpecializationInfo *FTSInfo 22560a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor = TemplateOrSpecialization.dyn_cast< 22570a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor FunctionTemplateSpecializationInfo*>()) 22580a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor return FTSInfo->getPointOfInstantiation(); 22590a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor else if (MemberSpecializationInfo *MSInfo 22600a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor = TemplateOrSpecialization.dyn_cast<MemberSpecializationInfo*>()) 22610a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor return MSInfo->getPointOfInstantiation(); 22620a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor 22630a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor return SourceLocation(); 22640a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor} 22650a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor 22669f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregorbool FunctionDecl::isOutOfLine() const { 2267da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor if (Decl::isOutOfLine()) 22689f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor return true; 22699f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor 22709f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor // If this function was instantiated from a member function of a 22719f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor // class template, check whether that member function was defined out-of-line. 22729f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor if (FunctionDecl *FD = getInstantiatedFromMemberFunction()) { 22739f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor const FunctionDecl *Definition; 227406a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis if (FD->hasBody(Definition)) 22759f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor return Definition->isOutOfLine(); 22769f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor } 22779f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor 22789f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor // If this function was instantiated from a function template, 22799f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor // check whether that function template was defined out-of-line. 22809f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor if (FunctionTemplateDecl *FunTmpl = getPrimaryTemplate()) { 22819f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor const FunctionDecl *Definition; 228206a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis if (FunTmpl->getTemplatedDecl()->hasBody(Definition)) 22839f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor return Definition->isOutOfLine(); 22849f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor } 22859f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor 22869f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor return false; 22879f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor} 22889f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor 2289a2026c96d3935e7909e049ad9096762844544ed6Abramo BagnaraSourceRange FunctionDecl::getSourceRange() const { 2290a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara return SourceRange(getOuterLocStart(), EndRangeLoc); 2291a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara} 2292a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara 2293d9b859a74ecaede23a78d37f364498102ef418c9Anna ZaksFunctionDecl::MemoryFunctionKind FunctionDecl::getMemoryFunctionKind() { 2294d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks IdentifierInfo *FnInfo = getIdentifier(); 2295d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks 2296d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks if (!FnInfo) 2297d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks return MFK_Invalid; 2298d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks 2299d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks // Builtin handling. 2300d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks switch (getBuiltinID()) { 2301d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks case Builtin::BI__builtin_memset: 2302d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks case Builtin::BI__builtin___memset_chk: 2303d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks case Builtin::BImemset: 2304d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks return MFK_Memset; 2305d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks 2306d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks case Builtin::BI__builtin_memcpy: 2307d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks case Builtin::BI__builtin___memcpy_chk: 2308d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks case Builtin::BImemcpy: 2309d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks return MFK_Memcpy; 2310d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks 2311d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks case Builtin::BI__builtin_memmove: 2312d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks case Builtin::BI__builtin___memmove_chk: 2313d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks case Builtin::BImemmove: 2314d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks return MFK_Memmove; 2315d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks 2316d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks case Builtin::BIstrlcpy: 2317d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks return MFK_Strlcpy; 2318d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks case Builtin::BIstrlcat: 2319d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks return MFK_Strlcat; 2320d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks 2321d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks case Builtin::BI__builtin_memcmp: 2322d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks return MFK_Memcmp; 2323d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks 2324d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks case Builtin::BI__builtin_strncpy: 2325d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks case Builtin::BI__builtin___strncpy_chk: 2326d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks case Builtin::BIstrncpy: 2327d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks return MFK_Strncpy; 2328d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks 2329d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks case Builtin::BI__builtin_strncmp: 2330d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks return MFK_Strncmp; 2331d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks 2332d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks case Builtin::BI__builtin_strncasecmp: 2333d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks return MFK_Strncasecmp; 2334d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks 2335d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks case Builtin::BI__builtin_strncat: 2336d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks case Builtin::BIstrncat: 2337d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks return MFK_Strncat; 2338d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks 2339d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks case Builtin::BI__builtin_strndup: 2340d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks case Builtin::BIstrndup: 2341d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks return MFK_Strndup; 2342d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks 2343d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks default: 2344750dc2b16fffa579f96ad053f061976a15ed4665Eli Friedman if (isExternC()) { 2345d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks if (FnInfo->isStr("memset")) 2346d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks return MFK_Memset; 2347d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks else if (FnInfo->isStr("memcpy")) 2348d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks return MFK_Memcpy; 2349d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks else if (FnInfo->isStr("memmove")) 2350d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks return MFK_Memmove; 2351d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks else if (FnInfo->isStr("memcmp")) 2352d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks return MFK_Memcmp; 2353d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks else if (FnInfo->isStr("strncpy")) 2354d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks return MFK_Strncpy; 2355d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks else if (FnInfo->isStr("strncmp")) 2356d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks return MFK_Strncmp; 2357d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks else if (FnInfo->isStr("strncasecmp")) 2358d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks return MFK_Strncasecmp; 2359d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks else if (FnInfo->isStr("strncat")) 2360d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks return MFK_Strncat; 2361d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks else if (FnInfo->isStr("strndup")) 2362d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks return MFK_Strndup; 2363d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks } 2364d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks break; 2365d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks } 2366d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks return MFK_Invalid; 2367d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks} 2368d9b859a74ecaede23a78d37f364498102ef418c9Anna Zaks 23698a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner//===----------------------------------------------------------------------===// 23707783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl// FieldDecl Implementation 23717783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 23727783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 23734ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadFieldDecl *FieldDecl::Create(const ASTContext &C, DeclContext *DC, 2374ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation StartLoc, SourceLocation IdLoc, 2375ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara IdentifierInfo *Id, QualType T, 23767a614d8380297fcd2bc23986241905d97222948cRichard Smith TypeSourceInfo *TInfo, Expr *BW, bool Mutable, 23777a614d8380297fcd2bc23986241905d97222948cRichard Smith bool HasInit) { 2378ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara return new (C) FieldDecl(Decl::Field, DC, StartLoc, IdLoc, Id, T, TInfo, 23797a614d8380297fcd2bc23986241905d97222948cRichard Smith BW, Mutable, HasInit); 23807783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 23817783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 23821e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas GregorFieldDecl *FieldDecl::CreateDeserialized(ASTContext &C, unsigned ID) { 23831e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor void *Mem = AllocateDeserializedDecl(C, ID, sizeof(FieldDecl)); 23841e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor return new (Mem) FieldDecl(Field, 0, SourceLocation(), SourceLocation(), 23851e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor 0, QualType(), 0, 0, false, false); 23861e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor} 23871e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor 23887783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlbool FieldDecl::isAnonymousStructOrUnion() const { 23897783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (!isImplicit() || getDeclName()) 23907783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return false; 23917783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 23927783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (const RecordType *Record = getType()->getAs<RecordType>()) 23937783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return Record->getDecl()->isAnonymousStructOrUnion(); 23947783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 23957783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return false; 23967783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 23977783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 2398a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smithunsigned FieldDecl::getBitWidthValue(const ASTContext &Ctx) const { 2399a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith assert(isBitField() && "not a bitfield"); 2400a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith Expr *BitWidth = InitializerOrBitWidth.getPointer(); 2401a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith return BitWidth->EvaluateKnownConstInt(Ctx).getZExtValue(); 2402a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith} 2403a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith 2404ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCallunsigned FieldDecl::getFieldIndex() const { 2405ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (CachedFieldIndex) return CachedFieldIndex - 1; 2406ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 2407180f47959a066795cc0f409433023af448bb0328Richard Smith unsigned Index = 0; 240807a8a21c3376f3a2ee470bfa3549c6f3ac4e236dFariborz Jahanian const RecordDecl *RD = getParent(); 240907a8a21c3376f3a2ee470bfa3549c6f3ac4e236dFariborz Jahanian const FieldDecl *LastFD = 0; 241007a8a21c3376f3a2ee470bfa3549c6f3ac4e236dFariborz Jahanian bool IsMsStruct = RD->hasAttr<MsStructAttr>(); 2411180f47959a066795cc0f409433023af448bb0328Richard Smith 2412180f47959a066795cc0f409433023af448bb0328Richard Smith for (RecordDecl::field_iterator I = RD->field_begin(), E = RD->field_end(); 2413180f47959a066795cc0f409433023af448bb0328Richard Smith I != E; ++I, ++Index) { 2414180f47959a066795cc0f409433023af448bb0328Richard Smith (*I)->CachedFieldIndex = Index + 1; 2415ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 241607a8a21c3376f3a2ee470bfa3549c6f3ac4e236dFariborz Jahanian if (IsMsStruct) { 241707a8a21c3376f3a2ee470bfa3549c6f3ac4e236dFariborz Jahanian // Zero-length bitfields following non-bitfield members are ignored. 2418180f47959a066795cc0f409433023af448bb0328Richard Smith if (getASTContext().ZeroBitfieldFollowsNonBitfield((*I), LastFD)) { 2419180f47959a066795cc0f409433023af448bb0328Richard Smith --Index; 242007a8a21c3376f3a2ee470bfa3549c6f3ac4e236dFariborz Jahanian continue; 242107a8a21c3376f3a2ee470bfa3549c6f3ac4e236dFariborz Jahanian } 2422180f47959a066795cc0f409433023af448bb0328Richard Smith LastFD = (*I); 242307a8a21c3376f3a2ee470bfa3549c6f3ac4e236dFariborz Jahanian } 2424ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall } 2425ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 2426180f47959a066795cc0f409433023af448bb0328Richard Smith assert(CachedFieldIndex && "failed to find field in parent"); 2427180f47959a066795cc0f409433023af448bb0328Richard Smith return CachedFieldIndex - 1; 2428ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall} 2429ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 2430f2cf562cec11dec926c0a29a71769a27fed02962Abramo BagnaraSourceRange FieldDecl::getSourceRange() const { 2431d330e23f183cedb9e6c1cbb809407576f7bbab71Abramo Bagnara if (const Expr *E = InitializerOrBitWidth.getPointer()) 2432d330e23f183cedb9e6c1cbb809407576f7bbab71Abramo Bagnara return SourceRange(getInnerLocStart(), E->getLocEnd()); 2433a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara return DeclaratorDecl::getSourceRange(); 2434f2cf562cec11dec926c0a29a71769a27fed02962Abramo Bagnara} 2435f2cf562cec11dec926c0a29a71769a27fed02962Abramo Bagnara 24367a614d8380297fcd2bc23986241905d97222948cRichard Smithvoid FieldDecl::setInClassInitializer(Expr *Init) { 24377a614d8380297fcd2bc23986241905d97222948cRichard Smith assert(!InitializerOrBitWidth.getPointer() && 24387a614d8380297fcd2bc23986241905d97222948cRichard Smith "bit width or initializer already set"); 24397a614d8380297fcd2bc23986241905d97222948cRichard Smith InitializerOrBitWidth.setPointer(Init); 24407a614d8380297fcd2bc23986241905d97222948cRichard Smith InitializerOrBitWidth.setInt(0); 24417a614d8380297fcd2bc23986241905d97222948cRichard Smith} 24427a614d8380297fcd2bc23986241905d97222948cRichard Smith 24437783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 2444bcbffc46f1ad3796c4582fa1e3a9113b5aa26061Douglas Gregor// TagDecl Implementation 24454b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek//===----------------------------------------------------------------------===// 24464b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek 24471693e154bef16ca060b5e3786d8528ddc11f5637Douglas GregorSourceLocation TagDecl::getOuterLocStart() const { 24481693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor return getTemplateOrInnerLocStart(this); 24491693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor} 24501693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor 2451f602c8b6ce1a269c0bf8b3f049e923f4ea5c18e2Argyrios KyrtzidisSourceRange TagDecl::getSourceRange() const { 2452f602c8b6ce1a269c0bf8b3f049e923f4ea5c18e2Argyrios Kyrtzidis SourceLocation E = RBraceLoc.isValid() ? RBraceLoc : getLocation(); 24531693e154bef16ca060b5e3786d8528ddc11f5637Douglas Gregor return SourceRange(getOuterLocStart(), E); 2454f602c8b6ce1a269c0bf8b3f049e923f4ea5c18e2Argyrios Kyrtzidis} 2455f602c8b6ce1a269c0bf8b3f049e923f4ea5c18e2Argyrios Kyrtzidis 2456b57a4fe73b8227c0dba651818b8495dfca61e530Argyrios KyrtzidisTagDecl* TagDecl::getCanonicalDecl() { 24578e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor return getFirstDeclaration(); 2458b57a4fe73b8227c0dba651818b8495dfca61e530Argyrios Kyrtzidis} 2459b57a4fe73b8227c0dba651818b8495dfca61e530Argyrios Kyrtzidis 2460162e1c1b487352434552147967c3dd296ebee2f7Richard Smithvoid TagDecl::setTypedefNameForAnonDecl(TypedefNameDecl *TDD) { 2461162e1c1b487352434552147967c3dd296ebee2f7Richard Smith TypedefNameDeclOrQualifier = TDD; 246260e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor if (TypeForDecl) 2463f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const_cast<Type*>(TypeForDecl)->ClearLinkageCache(); 2464381d34e0b205ca27bcc7e7c1652561941c437965Douglas Gregor ClearLinkageCache(); 246560e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor} 246660e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 24670b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregorvoid TagDecl::startDefinition() { 2468ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl IsBeingDefined = true; 246986ff308724171494395a840fd2efbe25e62f352eJohn McCall 247086ff308724171494395a840fd2efbe25e62f352eJohn McCall if (isa<CXXRecordDecl>(this)) { 247186ff308724171494395a840fd2efbe25e62f352eJohn McCall CXXRecordDecl *D = cast<CXXRecordDecl>(this); 247286ff308724171494395a840fd2efbe25e62f352eJohn McCall struct CXXRecordDecl::DefinitionData *Data = 247386ff308724171494395a840fd2efbe25e62f352eJohn McCall new (getASTContext()) struct CXXRecordDecl::DefinitionData(D); 24742243288c4826905b5a0837f6f21d9d821688652eJohn McCall for (redecl_iterator I = redecls_begin(), E = redecls_end(); I != E; ++I) 24752243288c4826905b5a0837f6f21d9d821688652eJohn McCall cast<CXXRecordDecl>(*I)->DefinitionData = Data; 247686ff308724171494395a840fd2efbe25e62f352eJohn McCall } 24770b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor} 24780b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor 24790b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregorvoid TagDecl::completeDefinition() { 24805cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall assert((!isa<CXXRecordDecl>(this) || 24815cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall cast<CXXRecordDecl>(this)->hasDefinition()) && 24825cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall "definition completed but not started"); 24835cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall 24845e1cdac63c3d9c9b32fa41fa0b2d242a58a20d49John McCall IsCompleteDefinition = true; 2485ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl IsBeingDefined = false; 2486565bf30bf5607b9740d288d8d9c45cf38ea75298Argyrios Kyrtzidis 2487565bf30bf5607b9740d288d8d9c45cf38ea75298Argyrios Kyrtzidis if (ASTMutationListener *L = getASTMutationListener()) 2488565bf30bf5607b9740d288d8d9c45cf38ea75298Argyrios Kyrtzidis L->CompletedTagDefinition(this); 24890b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor} 24900b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor 24915e1cdac63c3d9c9b32fa41fa0b2d242a58a20d49John McCallTagDecl *TagDecl::getDefinition() const { 24925e1cdac63c3d9c9b32fa41fa0b2d242a58a20d49John McCall if (isCompleteDefinition()) 24938e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor return const_cast<TagDecl *>(this); 2494220a9c82dc76a83a7f930879bf176783866c0514Andrew Trick if (const CXXRecordDecl *CXXRD = dyn_cast<CXXRecordDecl>(this)) 2495220a9c82dc76a83a7f930879bf176783866c0514Andrew Trick return CXXRD->getDefinition(); 24961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (redecl_iterator R = redecls_begin(), REnd = redecls_end(); 24988e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor R != REnd; ++R) 24995e1cdac63c3d9c9b32fa41fa0b2d242a58a20d49John McCall if (R->isCompleteDefinition()) 25008e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor return *R; 25011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25028e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor return 0; 25034b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek} 25044b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek 2505c22b5fff39a7520207f165fb16a27a34b944bd9cDouglas Gregorvoid TagDecl::setQualifierInfo(NestedNameSpecifierLoc QualifierLoc) { 2506c22b5fff39a7520207f165fb16a27a34b944bd9cDouglas Gregor if (QualifierLoc) { 2507b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Make sure the extended qualifier info is allocated. 2508b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (!hasExtInfo()) 2509162e1c1b487352434552147967c3dd296ebee2f7Richard Smith TypedefNameDeclOrQualifier = new (getASTContext()) ExtInfo; 2510b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Set qualifier info. 2511c22b5fff39a7520207f165fb16a27a34b944bd9cDouglas Gregor getExtInfo()->QualifierLoc = QualifierLoc; 25123060178ad9df29789505c1e6debcfc80a3a13587Chad Rosier } else { 2513b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Here Qualifier == 0, i.e., we are removing the qualifier (if any). 2514b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (hasExtInfo()) { 25157f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara if (getExtInfo()->NumTemplParamLists == 0) { 25167f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara getASTContext().Deallocate(getExtInfo()); 2517162e1c1b487352434552147967c3dd296ebee2f7Richard Smith TypedefNameDeclOrQualifier = (TypedefNameDecl*) 0; 25187f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara } 25197f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara else 25207f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara getExtInfo()->QualifierLoc = QualifierLoc; 2521b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall } 2522b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall } 2523b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall} 2524b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 25257f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnaravoid TagDecl::setTemplateParameterListsInfo(ASTContext &Context, 25267f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara unsigned NumTPLists, 25277f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara TemplateParameterList **TPLists) { 25287f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara assert(NumTPLists > 0); 25297f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara // Make sure the extended decl info is allocated. 25307f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara if (!hasExtInfo()) 25317f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara // Allocate external info struct. 2532162e1c1b487352434552147967c3dd296ebee2f7Richard Smith TypedefNameDeclOrQualifier = new (getASTContext()) ExtInfo; 25337f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara // Set the template parameter lists info. 25347f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara getExtInfo()->setTemplateParameterListsInfo(Context, NumTPLists, TPLists); 25357f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara} 25367f0a915eb546d353071be08c8adec155e5d9a0dcAbramo Bagnara 25374b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek//===----------------------------------------------------------------------===// 25387783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl// EnumDecl Implementation 25397783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 25407783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 254199ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikievoid EnumDecl::anchor() { } 254299ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikie 2543ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo BagnaraEnumDecl *EnumDecl::Create(ASTContext &C, DeclContext *DC, 2544ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara SourceLocation StartLoc, SourceLocation IdLoc, 2545ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara IdentifierInfo *Id, 2546a88cefd266c428be33cc06f7e8b00ff8fc97c1ffAbramo Bagnara EnumDecl *PrevDecl, bool IsScoped, 2547a88cefd266c428be33cc06f7e8b00ff8fc97c1ffAbramo Bagnara bool IsScopedUsingClassTag, bool IsFixed) { 2548ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara EnumDecl *Enum = new (C) EnumDecl(DC, StartLoc, IdLoc, Id, PrevDecl, 2549a88cefd266c428be33cc06f7e8b00ff8fc97c1ffAbramo Bagnara IsScoped, IsScopedUsingClassTag, IsFixed); 25507783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl C.getTypeDeclType(Enum, PrevDecl); 25517783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return Enum; 25527783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 25537783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 25541e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas GregorEnumDecl *EnumDecl::CreateDeserialized(ASTContext &C, unsigned ID) { 25551e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor void *Mem = AllocateDeserializedDecl(C, ID, sizeof(EnumDecl)); 25561e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor return new (Mem) EnumDecl(0, SourceLocation(), SourceLocation(), 0, 0, 25571e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor false, false, false); 2558b8b03e6df1cc89e701a809c6a47c41f31b7a9e50Argyrios Kyrtzidis} 2559b8b03e6df1cc89e701a809c6a47c41f31b7a9e50Argyrios Kyrtzidis 2560838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregorvoid EnumDecl::completeDefinition(QualType NewType, 25611b5a618c59025898806160ed5e7f0ff5bb79e482John McCall QualType NewPromotionType, 25621b5a618c59025898806160ed5e7f0ff5bb79e482John McCall unsigned NumPositiveBits, 25631b5a618c59025898806160ed5e7f0ff5bb79e482John McCall unsigned NumNegativeBits) { 25645e1cdac63c3d9c9b32fa41fa0b2d242a58a20d49John McCall assert(!isCompleteDefinition() && "Cannot redefine enums!"); 25651274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor if (!IntegerType) 25661274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor IntegerType = NewType.getTypePtr(); 25677783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl PromotionType = NewPromotionType; 25681b5a618c59025898806160ed5e7f0ff5bb79e482John McCall setNumPositiveBits(NumPositiveBits); 25691b5a618c59025898806160ed5e7f0ff5bb79e482John McCall setNumNegativeBits(NumNegativeBits); 25707783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl TagDecl::completeDefinition(); 25717783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 25727783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 25737783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 25748a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner// RecordDecl Implementation 25758a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner//===----------------------------------------------------------------------===// 25765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2577ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo BagnaraRecordDecl::RecordDecl(Kind DK, TagKind TK, DeclContext *DC, 2578ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara SourceLocation StartLoc, SourceLocation IdLoc, 2579ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara IdentifierInfo *Id, RecordDecl *PrevDecl) 2580ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara : TagDecl(DK, TK, DC, IdLoc, Id, PrevDecl, StartLoc) { 25816359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek HasFlexibleArrayMember = false; 2582bcbffc46f1ad3796c4582fa1e3a9113b5aa26061Douglas Gregor AnonymousStructOrUnion = false; 2583082b02e8403d3ee9d2ded969fbe0e5d472f04cd8Fariborz Jahanian HasObjectMember = false; 2584eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis LoadedFieldsFromExternalStorage = false; 25856359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek assert(classof(static_cast<Decl*>(this)) && "Invalid Kind!"); 25866359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek} 25876359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek 25884ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadRecordDecl *RecordDecl::Create(const ASTContext &C, TagKind TK, DeclContext *DC, 2589ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara SourceLocation StartLoc, SourceLocation IdLoc, 2590ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara IdentifierInfo *Id, RecordDecl* PrevDecl) { 2591ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara RecordDecl* R = new (C) RecordDecl(Record, TK, DC, StartLoc, IdLoc, Id, 2592ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara PrevDecl); 25934b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek C.getTypeDeclType(R, PrevDecl); 25944b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek return R; 25956359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek} 25966359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek 25971e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas GregorRecordDecl *RecordDecl::CreateDeserialized(const ASTContext &C, unsigned ID) { 25981e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor void *Mem = AllocateDeserializedDecl(C, ID, sizeof(RecordDecl)); 25991e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor return new (Mem) RecordDecl(Record, TTK_Struct, 0, SourceLocation(), 26001e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor SourceLocation(), 0, 0); 2601b8b03e6df1cc89e701a809c6a47c41f31b7a9e50Argyrios Kyrtzidis} 2602b8b03e6df1cc89e701a809c6a47c41f31b7a9e50Argyrios Kyrtzidis 2603c9b5b4074bd73d4af76e69cccf8ecd365fdd1008Douglas Gregorbool RecordDecl::isInjectedClassName() const { 26041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return isImplicit() && getDeclName() && getDeclContext()->isRecord() && 2605c9b5b4074bd73d4af76e69cccf8ecd365fdd1008Douglas Gregor cast<RecordDecl>(getDeclContext())->getDeclName() == getDeclName(); 2606c9b5b4074bd73d4af76e69cccf8ecd365fdd1008Douglas Gregor} 2607c9b5b4074bd73d4af76e69cccf8ecd365fdd1008Douglas Gregor 2608eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios KyrtzidisRecordDecl::field_iterator RecordDecl::field_begin() const { 2609eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis if (hasExternalLexicalStorage() && !LoadedFieldsFromExternalStorage) 2610eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis LoadFieldsFromExternalStorage(); 2611eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 2612eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis return field_iterator(decl_iterator(FirstDecl)); 2613eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis} 2614eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 2615da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor/// completeDefinition - Notes that the definition of this type is now 2616da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor/// complete. 2617da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregorvoid RecordDecl::completeDefinition() { 26185e1cdac63c3d9c9b32fa41fa0b2d242a58a20d49John McCall assert(!isCompleteDefinition() && "Cannot redefine record!"); 2619da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor TagDecl::completeDefinition(); 2620da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor} 2621da2142f2e2b3a02ee6eb5de9f9e6ed6f7eb5a0c0Douglas Gregor 2622eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidisvoid RecordDecl::LoadFieldsFromExternalStorage() const { 2623eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis ExternalASTSource *Source = getASTContext().getExternalSource(); 2624eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis assert(hasExternalLexicalStorage() && Source && "No external storage?"); 2625eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 2626eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis // Notify that we have a RecordDecl doing some initialization. 2627eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis ExternalASTSource::Deserializing TheFields(Source); 2628eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 26295f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<Decl*, 64> Decls; 2630ba6ffaf21e465c0926d7fc5fa294ea52f8d45fafDouglas Gregor LoadedFieldsFromExternalStorage = true; 2631ba6ffaf21e465c0926d7fc5fa294ea52f8d45fafDouglas Gregor switch (Source->FindExternalLexicalDeclsBy<FieldDecl>(this, Decls)) { 2632ba6ffaf21e465c0926d7fc5fa294ea52f8d45fafDouglas Gregor case ELR_Success: 2633ba6ffaf21e465c0926d7fc5fa294ea52f8d45fafDouglas Gregor break; 2634ba6ffaf21e465c0926d7fc5fa294ea52f8d45fafDouglas Gregor 2635ba6ffaf21e465c0926d7fc5fa294ea52f8d45fafDouglas Gregor case ELR_AlreadyLoaded: 2636ba6ffaf21e465c0926d7fc5fa294ea52f8d45fafDouglas Gregor case ELR_Failure: 2637eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis return; 2638ba6ffaf21e465c0926d7fc5fa294ea52f8d45fafDouglas Gregor } 2639eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 2640eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis#ifndef NDEBUG 2641eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis // Check that all decls we got were FieldDecls. 2642eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis for (unsigned i=0, e=Decls.size(); i != e; ++i) 2643eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis assert(isa<FieldDecl>(Decls[i])); 2644eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis#endif 2645eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 2646eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis if (Decls.empty()) 2647eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis return; 2648eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 2649ec2ec1f20322076717c3865b196f7a1c95d883a4Argyrios Kyrtzidis llvm::tie(FirstDecl, LastDecl) = BuildDeclChain(Decls, 2650ec2ec1f20322076717c3865b196f7a1c95d883a4Argyrios Kyrtzidis /*FieldsAlreadyLoaded=*/false); 2651eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis} 2652eb5e9986e577b1e2bff3cca5973a2494fb593fbbArgyrios Kyrtzidis 265356ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff//===----------------------------------------------------------------------===// 265456ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff// BlockDecl Implementation 265556ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff//===----------------------------------------------------------------------===// 265656ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff 26574278c654b645402554eb52a48e9c7097c9f1233aDavid Blaikievoid BlockDecl::setParams(llvm::ArrayRef<ParmVarDecl *> NewParamInfo) { 2658e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff assert(ParamInfo == 0 && "Already has param info!"); 26591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2660e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff // Zero params -> null pointer. 26614278c654b645402554eb52a48e9c7097c9f1233aDavid Blaikie if (!NewParamInfo.empty()) { 26624278c654b645402554eb52a48e9c7097c9f1233aDavid Blaikie NumParams = NewParamInfo.size(); 26634278c654b645402554eb52a48e9c7097c9f1233aDavid Blaikie ParamInfo = new (getASTContext()) ParmVarDecl*[NewParamInfo.size()]; 26644278c654b645402554eb52a48e9c7097c9f1233aDavid Blaikie std::copy(NewParamInfo.begin(), NewParamInfo.end(), ParamInfo); 2665e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff } 2666e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff} 2667e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff 26686b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCallvoid BlockDecl::setCaptures(ASTContext &Context, 26696b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall const Capture *begin, 26706b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall const Capture *end, 26716b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall bool capturesCXXThis) { 2672469a1eb996e1cb0be54f9b210f836afbddcbb2ccJohn McCall CapturesCXXThis = capturesCXXThis; 2673469a1eb996e1cb0be54f9b210f836afbddcbb2ccJohn McCall 2674469a1eb996e1cb0be54f9b210f836afbddcbb2ccJohn McCall if (begin == end) { 26756b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall NumCaptures = 0; 26766b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall Captures = 0; 2677469a1eb996e1cb0be54f9b210f836afbddcbb2ccJohn McCall return; 2678469a1eb996e1cb0be54f9b210f836afbddcbb2ccJohn McCall } 2679469a1eb996e1cb0be54f9b210f836afbddcbb2ccJohn McCall 26806b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall NumCaptures = end - begin; 26816b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall 26826b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall // Avoid new Capture[] because we don't want to provide a default 26836b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall // constructor. 26846b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall size_t allocationSize = NumCaptures * sizeof(Capture); 26856b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall void *buffer = Context.Allocate(allocationSize, /*alignment*/sizeof(void*)); 26866b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall memcpy(buffer, begin, allocationSize); 26876b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall Captures = static_cast<Capture*>(buffer); 2688e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff} 26897783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 2690204e13395d83524e9a557c3f3fd6df2e2f353b9dJohn McCallbool BlockDecl::capturesVariable(const VarDecl *variable) const { 2691204e13395d83524e9a557c3f3fd6df2e2f353b9dJohn McCall for (capture_const_iterator 2692204e13395d83524e9a557c3f3fd6df2e2f353b9dJohn McCall i = capture_begin(), e = capture_end(); i != e; ++i) 2693204e13395d83524e9a557c3f3fd6df2e2f353b9dJohn McCall // Only auto vars can be captured, so no redeclaration worries. 2694204e13395d83524e9a557c3f3fd6df2e2f353b9dJohn McCall if (i->getVariable() == variable) 2695204e13395d83524e9a557c3f3fd6df2e2f353b9dJohn McCall return true; 2696204e13395d83524e9a557c3f3fd6df2e2f353b9dJohn McCall 2697204e13395d83524e9a557c3f3fd6df2e2f353b9dJohn McCall return false; 2698204e13395d83524e9a557c3f3fd6df2e2f353b9dJohn McCall} 2699204e13395d83524e9a557c3f3fd6df2e2f353b9dJohn McCall 27002fcbceff97e065cff499e6cc563ca25c762bf547Douglas GregorSourceRange BlockDecl::getSourceRange() const { 27012fcbceff97e065cff499e6cc563ca25c762bf547Douglas Gregor return SourceRange(getLocation(), Body? Body->getLocEnd() : getLocation()); 27022fcbceff97e065cff499e6cc563ca25c762bf547Douglas Gregor} 27037783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 27047783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 27057783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl// Other Decl Allocation/Deallocation Method Implementations 27067783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 27077783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 270899ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikievoid TranslationUnitDecl::anchor() { } 270999ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikie 27107783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlTranslationUnitDecl *TranslationUnitDecl::Create(ASTContext &C) { 27117783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) TranslationUnitDecl(C); 27127783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 27137783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 271499ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikievoid LabelDecl::anchor() { } 271599ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikie 2716ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris LattnerLabelDecl *LabelDecl::Create(ASTContext &C, DeclContext *DC, 27176784304db526cde59046d613c4175ce2caf93e44Abramo Bagnara SourceLocation IdentL, IdentifierInfo *II) { 27186784304db526cde59046d613c4175ce2caf93e44Abramo Bagnara return new (C) LabelDecl(DC, IdentL, II, 0, IdentL); 27196784304db526cde59046d613c4175ce2caf93e44Abramo Bagnara} 27206784304db526cde59046d613c4175ce2caf93e44Abramo Bagnara 27216784304db526cde59046d613c4175ce2caf93e44Abramo BagnaraLabelDecl *LabelDecl::Create(ASTContext &C, DeclContext *DC, 27226784304db526cde59046d613c4175ce2caf93e44Abramo Bagnara SourceLocation IdentL, IdentifierInfo *II, 27236784304db526cde59046d613c4175ce2caf93e44Abramo Bagnara SourceLocation GnuLabelL) { 27246784304db526cde59046d613c4175ce2caf93e44Abramo Bagnara assert(GnuLabelL != IdentL && "Use this only for GNU local labels"); 27256784304db526cde59046d613c4175ce2caf93e44Abramo Bagnara return new (C) LabelDecl(DC, IdentL, II, 0, GnuLabelL); 2726ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner} 2727ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner 27281e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas GregorLabelDecl *LabelDecl::CreateDeserialized(ASTContext &C, unsigned ID) { 27291e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor void *Mem = AllocateDeserializedDecl(C, ID, sizeof(LabelDecl)); 27301e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor return new (Mem) LabelDecl(0, SourceLocation(), 0, 0, SourceLocation()); 273106c919300ce39e50ed7f6dff5025c8ed96dcf221Douglas Gregor} 273206c919300ce39e50ed7f6dff5025c8ed96dcf221Douglas Gregor 273399ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikievoid ValueDecl::anchor() { } 273499ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikie 273599ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikievoid ImplicitParamDecl::anchor() { } 273699ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikie 27377783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlImplicitParamDecl *ImplicitParamDecl::Create(ASTContext &C, DeclContext *DC, 2738ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation IdLoc, 2739ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara IdentifierInfo *Id, 2740ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara QualType Type) { 2741ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara return new (C) ImplicitParamDecl(DC, IdLoc, Id, Type); 27427783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 27437783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 27441e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas GregorImplicitParamDecl *ImplicitParamDecl::CreateDeserialized(ASTContext &C, 27451e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor unsigned ID) { 27461e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor void *Mem = AllocateDeserializedDecl(C, ID, sizeof(ImplicitParamDecl)); 27471e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor return new (Mem) ImplicitParamDecl(0, SourceLocation(), 0, QualType()); 27481e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor} 27491e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor 27507783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlFunctionDecl *FunctionDecl::Create(ASTContext &C, DeclContext *DC, 2751ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation StartLoc, 27522577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameInfo &NameInfo, 27532577743c5650c646fb705df01403707e94f2df04Abramo Bagnara QualType T, TypeSourceInfo *TInfo, 2754ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara StorageClass SC, StorageClass SCAsWritten, 27558f1509446fc51db0473ea1241910c06353a153b8Douglas Gregor bool isInlineSpecified, 2756af1fc7af351758b0ea0d285bdfe5640128109a4eRichard Smith bool hasWrittenPrototype, 2757af1fc7af351758b0ea0d285bdfe5640128109a4eRichard Smith bool isConstexprSpecified) { 2758ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara FunctionDecl *New = new (C) FunctionDecl(Function, DC, StartLoc, NameInfo, 2759ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara T, TInfo, SC, SCAsWritten, 2760af1fc7af351758b0ea0d285bdfe5640128109a4eRichard Smith isInlineSpecified, 2761af1fc7af351758b0ea0d285bdfe5640128109a4eRichard Smith isConstexprSpecified); 27627783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl New->HasWrittenPrototype = hasWrittenPrototype; 27637783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return New; 27647783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 27657783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 27661e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas GregorFunctionDecl *FunctionDecl::CreateDeserialized(ASTContext &C, unsigned ID) { 27671e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor void *Mem = AllocateDeserializedDecl(C, ID, sizeof(FunctionDecl)); 27681e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor return new (Mem) FunctionDecl(Function, 0, SourceLocation(), 27691e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor DeclarationNameInfo(), QualType(), 0, 27701e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor SC_None, SC_None, false, false); 27711e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor} 27721e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor 27737783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlBlockDecl *BlockDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L) { 27747783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) BlockDecl(DC, L); 27757783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 27767783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 27771e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas GregorBlockDecl *BlockDecl::CreateDeserialized(ASTContext &C, unsigned ID) { 27781e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor void *Mem = AllocateDeserializedDecl(C, ID, sizeof(BlockDecl)); 27791e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor return new (Mem) BlockDecl(0, SourceLocation()); 27801e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor} 27811e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor 27827783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlEnumConstantDecl *EnumConstantDecl::Create(ASTContext &C, EnumDecl *CD, 27837783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl SourceLocation L, 27847783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl IdentifierInfo *Id, QualType T, 27857783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl Expr *E, const llvm::APSInt &V) { 27867783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) EnumConstantDecl(CD, L, Id, T, E, V); 27877783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 27887783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 27891e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas GregorEnumConstantDecl * 27901e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas GregorEnumConstantDecl::CreateDeserialized(ASTContext &C, unsigned ID) { 27911e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor void *Mem = AllocateDeserializedDecl(C, ID, sizeof(EnumConstantDecl)); 27921e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor return new (Mem) EnumConstantDecl(0, SourceLocation(), 0, QualType(), 0, 27931e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor llvm::APSInt()); 27941e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor} 27951e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor 279699ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikievoid IndirectFieldDecl::anchor() { } 279799ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikie 2798d98114647e16796a976b04af79975b4f0eacf22bBenjamin KramerIndirectFieldDecl * 2799d98114647e16796a976b04af79975b4f0eacf22bBenjamin KramerIndirectFieldDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L, 2800d98114647e16796a976b04af79975b4f0eacf22bBenjamin Kramer IdentifierInfo *Id, QualType T, NamedDecl **CH, 2801d98114647e16796a976b04af79975b4f0eacf22bBenjamin Kramer unsigned CHS) { 280287c2e121cf0522fc266efe2922b58091cd2e0182Francois Pichet return new (C) IndirectFieldDecl(DC, L, Id, T, CH, CHS); 280387c2e121cf0522fc266efe2922b58091cd2e0182Francois Pichet} 280487c2e121cf0522fc266efe2922b58091cd2e0182Francois Pichet 28051e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas GregorIndirectFieldDecl *IndirectFieldDecl::CreateDeserialized(ASTContext &C, 28061e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor unsigned ID) { 28071e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor void *Mem = AllocateDeserializedDecl(C, ID, sizeof(IndirectFieldDecl)); 28081e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor return new (Mem) IndirectFieldDecl(0, SourceLocation(), DeclarationName(), 28091e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor QualType(), 0, 0); 28101e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor} 28111e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor 28128e7139c9554230df64325f70fe202c83491ba7f5Douglas GregorSourceRange EnumConstantDecl::getSourceRange() const { 28138e7139c9554230df64325f70fe202c83491ba7f5Douglas Gregor SourceLocation End = getLocation(); 28148e7139c9554230df64325f70fe202c83491ba7f5Douglas Gregor if (Init) 28158e7139c9554230df64325f70fe202c83491ba7f5Douglas Gregor End = Init->getLocEnd(); 28168e7139c9554230df64325f70fe202c83491ba7f5Douglas Gregor return SourceRange(getLocation(), End); 28178e7139c9554230df64325f70fe202c83491ba7f5Douglas Gregor} 28188e7139c9554230df64325f70fe202c83491ba7f5Douglas Gregor 281999ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikievoid TypeDecl::anchor() { } 282099ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikie 28217783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlTypedefDecl *TypedefDecl::Create(ASTContext &C, DeclContext *DC, 2822344577e6b58f42d18dc8118c8903b49a85dc005eAbramo Bagnara SourceLocation StartLoc, SourceLocation IdLoc, 2823344577e6b58f42d18dc8118c8903b49a85dc005eAbramo Bagnara IdentifierInfo *Id, TypeSourceInfo *TInfo) { 2824344577e6b58f42d18dc8118c8903b49a85dc005eAbramo Bagnara return new (C) TypedefDecl(DC, StartLoc, IdLoc, Id, TInfo); 28257783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 28267783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 282799ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikievoid TypedefNameDecl::anchor() { } 282899ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikie 28291e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas GregorTypedefDecl *TypedefDecl::CreateDeserialized(ASTContext &C, unsigned ID) { 28301e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor void *Mem = AllocateDeserializedDecl(C, ID, sizeof(TypedefDecl)); 28311e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor return new (Mem) TypedefDecl(0, SourceLocation(), SourceLocation(), 0, 0); 28321e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor} 28331e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor 2834162e1c1b487352434552147967c3dd296ebee2f7Richard SmithTypeAliasDecl *TypeAliasDecl::Create(ASTContext &C, DeclContext *DC, 2835162e1c1b487352434552147967c3dd296ebee2f7Richard Smith SourceLocation StartLoc, 2836162e1c1b487352434552147967c3dd296ebee2f7Richard Smith SourceLocation IdLoc, IdentifierInfo *Id, 2837162e1c1b487352434552147967c3dd296ebee2f7Richard Smith TypeSourceInfo *TInfo) { 2838162e1c1b487352434552147967c3dd296ebee2f7Richard Smith return new (C) TypeAliasDecl(DC, StartLoc, IdLoc, Id, TInfo); 2839162e1c1b487352434552147967c3dd296ebee2f7Richard Smith} 2840162e1c1b487352434552147967c3dd296ebee2f7Richard Smith 28411e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas GregorTypeAliasDecl *TypeAliasDecl::CreateDeserialized(ASTContext &C, unsigned ID) { 28421e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor void *Mem = AllocateDeserializedDecl(C, ID, sizeof(TypeAliasDecl)); 28431e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor return new (Mem) TypeAliasDecl(0, SourceLocation(), SourceLocation(), 0, 0); 28441e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor} 28451e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor 2846a2026c96d3935e7909e049ad9096762844544ed6Abramo BagnaraSourceRange TypedefDecl::getSourceRange() const { 2847a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara SourceLocation RangeEnd = getLocation(); 2848a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara if (TypeSourceInfo *TInfo = getTypeSourceInfo()) { 2849a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara if (typeIsPostfix(TInfo->getType())) 2850a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara RangeEnd = TInfo->getTypeLoc().getSourceRange().getEnd(); 2851a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara } 2852a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara return SourceRange(getLocStart(), RangeEnd); 2853a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara} 2854a2026c96d3935e7909e049ad9096762844544ed6Abramo Bagnara 2855162e1c1b487352434552147967c3dd296ebee2f7Richard SmithSourceRange TypeAliasDecl::getSourceRange() const { 2856162e1c1b487352434552147967c3dd296ebee2f7Richard Smith SourceLocation RangeEnd = getLocStart(); 2857162e1c1b487352434552147967c3dd296ebee2f7Richard Smith if (TypeSourceInfo *TInfo = getTypeSourceInfo()) 2858162e1c1b487352434552147967c3dd296ebee2f7Richard Smith RangeEnd = TInfo->getTypeLoc().getSourceRange().getEnd(); 2859162e1c1b487352434552147967c3dd296ebee2f7Richard Smith return SourceRange(getLocStart(), RangeEnd); 2860162e1c1b487352434552147967c3dd296ebee2f7Richard Smith} 2861162e1c1b487352434552147967c3dd296ebee2f7Richard Smith 286299ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikievoid FileScopeAsmDecl::anchor() { } 286399ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikie 28647783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlFileScopeAsmDecl *FileScopeAsmDecl::Create(ASTContext &C, DeclContext *DC, 286521e006e51a7f9889f55f5bc7b3ca8b50d17571ecAbramo Bagnara StringLiteral *Str, 286621e006e51a7f9889f55f5bc7b3ca8b50d17571ecAbramo Bagnara SourceLocation AsmLoc, 286721e006e51a7f9889f55f5bc7b3ca8b50d17571ecAbramo Bagnara SourceLocation RParenLoc) { 286821e006e51a7f9889f55f5bc7b3ca8b50d17571ecAbramo Bagnara return new (C) FileScopeAsmDecl(DC, Str, AsmLoc, RParenLoc); 28697783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 287015de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor 28711e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas GregorFileScopeAsmDecl *FileScopeAsmDecl::CreateDeserialized(ASTContext &C, 28721e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor unsigned ID) { 28731e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor void *Mem = AllocateDeserializedDecl(C, ID, sizeof(FileScopeAsmDecl)); 28741e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor return new (Mem) FileScopeAsmDecl(0, 0, SourceLocation(), SourceLocation()); 28751e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor} 28761e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor 287715de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor//===----------------------------------------------------------------------===// 287815de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor// ImportDecl Implementation 287915de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor//===----------------------------------------------------------------------===// 288015de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor 288115de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor/// \brief Retrieve the number of module identifiers needed to name the given 288215de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor/// module. 288315de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregorstatic unsigned getNumModuleIdentifiers(Module *Mod) { 288415de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor unsigned Result = 1; 288515de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor while (Mod->Parent) { 288615de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor Mod = Mod->Parent; 288715de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor ++Result; 288815de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor } 288915de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor return Result; 289015de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor} 289115de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor 28925948ae1021122164b22f74353bb7fe325a64f616Douglas GregorImportDecl::ImportDecl(DeclContext *DC, SourceLocation StartLoc, 289315de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor Module *Imported, 289415de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor ArrayRef<SourceLocation> IdentifierLocs) 28955948ae1021122164b22f74353bb7fe325a64f616Douglas Gregor : Decl(Import, DC, StartLoc), ImportedAndComplete(Imported, true), 2896e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor NextLocalImport() 289715de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor{ 289815de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor assert(getNumModuleIdentifiers(Imported) == IdentifierLocs.size()); 289915de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor SourceLocation *StoredLocs = reinterpret_cast<SourceLocation *>(this + 1); 290015de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor memcpy(StoredLocs, IdentifierLocs.data(), 290115de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor IdentifierLocs.size() * sizeof(SourceLocation)); 290215de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor} 290315de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor 29045948ae1021122164b22f74353bb7fe325a64f616Douglas GregorImportDecl::ImportDecl(DeclContext *DC, SourceLocation StartLoc, 290515de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor Module *Imported, SourceLocation EndLoc) 29065948ae1021122164b22f74353bb7fe325a64f616Douglas Gregor : Decl(Import, DC, StartLoc), ImportedAndComplete(Imported, false), 2907e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor NextLocalImport() 290815de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor{ 290915de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor *reinterpret_cast<SourceLocation *>(this + 1) = EndLoc; 291015de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor} 291115de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor 291215de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas GregorImportDecl *ImportDecl::Create(ASTContext &C, DeclContext *DC, 29135948ae1021122164b22f74353bb7fe325a64f616Douglas Gregor SourceLocation StartLoc, Module *Imported, 291415de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor ArrayRef<SourceLocation> IdentifierLocs) { 291515de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor void *Mem = C.Allocate(sizeof(ImportDecl) + 291615de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor IdentifierLocs.size() * sizeof(SourceLocation)); 29175948ae1021122164b22f74353bb7fe325a64f616Douglas Gregor return new (Mem) ImportDecl(DC, StartLoc, Imported, IdentifierLocs); 291815de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor} 291915de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor 292015de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas GregorImportDecl *ImportDecl::CreateImplicit(ASTContext &C, DeclContext *DC, 29215948ae1021122164b22f74353bb7fe325a64f616Douglas Gregor SourceLocation StartLoc, 292215de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor Module *Imported, 292315de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor SourceLocation EndLoc) { 292415de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor void *Mem = C.Allocate(sizeof(ImportDecl) + sizeof(SourceLocation)); 29255948ae1021122164b22f74353bb7fe325a64f616Douglas Gregor ImportDecl *Import = new (Mem) ImportDecl(DC, StartLoc, Imported, EndLoc); 292615de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor Import->setImplicit(); 292715de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor return Import; 292815de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor} 292915de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor 29301e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas GregorImportDecl *ImportDecl::CreateDeserialized(ASTContext &C, unsigned ID, 29311e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor unsigned NumLocations) { 29321e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor void *Mem = AllocateDeserializedDecl(C, ID, 29331e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor (sizeof(ImportDecl) + 29341e68ecc4fcce12f683c4fd38acfd1a004001b04fDouglas Gregor NumLocations * sizeof(SourceLocation))); 293515de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor return new (Mem) ImportDecl(EmptyShell()); 293615de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor} 293715de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor 293815de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas GregorArrayRef<SourceLocation> ImportDecl::getIdentifierLocs() const { 293915de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor if (!ImportedAndComplete.getInt()) 294015de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor return ArrayRef<SourceLocation>(); 294115de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor 294215de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor const SourceLocation *StoredLocs 294315de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor = reinterpret_cast<const SourceLocation *>(this + 1); 294415de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor return ArrayRef<SourceLocation>(StoredLocs, 294515de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor getNumModuleIdentifiers(getImportedModule())); 294615de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor} 294715de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor 294815de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas GregorSourceRange ImportDecl::getSourceRange() const { 294915de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor if (!ImportedAndComplete.getInt()) 295015de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor return SourceRange(getLocation(), 295115de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor *reinterpret_cast<const SourceLocation *>(this + 1)); 295215de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor 295315de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor return SourceRange(getLocation(), getIdentifierLocs().back()); 295415de72cf580840c61e5704c2f8a2b56f9d0638e1Douglas Gregor} 2955