SemaTemplateInstantiateDecl.cpp revision d226f65006733ed7f709c3174f22ce33391cb58f
18dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor//===--- SemaTemplateInstantiateDecl.cpp - C++ Template Decl Instantiation ===/ 28dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor// 38dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor// The LLVM Compiler Infrastructure 48dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor// 58dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor// This file is distributed under the University of Illinois Open Source 68dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor// License. See LICENSE.TXT for details. 78dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor//===----------------------------------------------------------------------===/ 88dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor// 98dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor// This file implements C++ template instantiation for declarations. 108dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor// 118dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor//===----------------------------------------------------------------------===/ 12e737f5041a36d0befb39ffeed8d50ba15916d3daDouglas Gregor#include "clang/Sema/Sema.h" 13e737f5041a36d0befb39ffeed8d50ba15916d3daDouglas Gregor#include "clang/Sema/Lookup.h" 14aba43bb13b3aa3e81990989375fba3a902bfe1c2Douglas Gregor#include "clang/AST/ASTConsumer.h" 158dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor#include "clang/AST/ASTContext.h" 168dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor#include "clang/AST/DeclTemplate.h" 178dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor#include "clang/AST/DeclVisitor.h" 180c01d18094100db92d38daa923c95661512db203John McCall#include "clang/AST/DependentDiagnostic.h" 198dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor#include "clang/AST/Expr.h" 20a88cfbfac9bbcbb9858f048d6d73a48711d8e93dDouglas Gregor#include "clang/AST/ExprCXX.h" 2121ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall#include "clang/AST/TypeLoc.h" 22c17fb7bd9a06b027c792c7dfad7e9fa430277affAnders Carlsson#include "clang/Basic/PrettyStackTrace.h" 2383ddad3ab513f5d73698cf9fbeb4ed3f011bc3b9Douglas Gregor#include "clang/Lex/Preprocessor.h" 248dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 258dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregorusing namespace clang; 268dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 278dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregornamespace { 2885b4521e34dcd4a0a4a1f0819e1123128e5a3125Benjamin Kramer class TemplateDeclInstantiator 29b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner : public DeclVisitor<TemplateDeclInstantiator, Decl *> { 308dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Sema &SemaRef; 318dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor DeclContext *Owner; 32d6350aefb1396b299e199c7f1fe51bb40c12e75eDouglas Gregor const MultiLevelTemplateArgumentList &TemplateArgs; 331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 348dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor public: 358dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor typedef Sema::OwningExprResult OwningExprResult; 368dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 378dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor TemplateDeclInstantiator(Sema &SemaRef, DeclContext *Owner, 38d6350aefb1396b299e199c7f1fe51bb40c12e75eDouglas Gregor const MultiLevelTemplateArgumentList &TemplateArgs) 397e06390f8a60440d6fc5f0e633acdc2edd8ee924Douglas Gregor : SemaRef(SemaRef), Owner(Owner), TemplateArgs(TemplateArgs) { } 401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41390b4cc8b45a05612349269ef08faab3e4688f06Mike Stump // FIXME: Once we get closer to completion, replace these manually-written 42390b4cc8b45a05612349269ef08faab3e4688f06Mike Stump // declarations with automatically-generated ones from 439a55591af3e5506b95a9718e15380129fbfc5ebcSean Hunt // clang/AST/DeclNodes.inc. 444f722be4587a7a0dece399fb5405dda158971ae1Douglas Gregor Decl *VisitTranslationUnitDecl(TranslationUnitDecl *D); 454f722be4587a7a0dece399fb5405dda158971ae1Douglas Gregor Decl *VisitNamespaceDecl(NamespaceDecl *D); 463dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall Decl *VisitNamespaceAliasDecl(NamespaceAliasDecl *D); 478dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Decl *VisitTypedefDecl(TypedefDecl *D); 483d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor Decl *VisitVarDecl(VarDecl *D); 496206d53f67613958ae1b023aba337ebb46f11a8bAbramo Bagnara Decl *VisitAccessSpecDecl(AccessSpecDecl *D); 508dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Decl *VisitFieldDecl(FieldDecl *D); 518dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Decl *VisitStaticAssertDecl(StaticAssertDecl *D); 528dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Decl *VisitEnumDecl(EnumDecl *D); 536477b69cc93e0a0ff15036d60d604f3544da0f29Douglas Gregor Decl *VisitEnumConstantDecl(EnumConstantDecl *D); 5402cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall Decl *VisitFriendDecl(FriendDecl *D); 55a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor Decl *VisitFunctionDecl(FunctionDecl *D, 56a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor TemplateParameterList *TemplateParams = 0); 57d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor Decl *VisitCXXRecordDecl(CXXRecordDecl *D); 58d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor Decl *VisitCXXMethodDecl(CXXMethodDecl *D, 59d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor TemplateParameterList *TemplateParams = 0); 60615c5d4674355ba830b9978f462ca7a8c5d15f85Douglas Gregor Decl *VisitCXXConstructorDecl(CXXConstructorDecl *D); 6103b2b07aaef3a585aec13048a33356c7f635de72Douglas Gregor Decl *VisitCXXDestructorDecl(CXXDestructorDecl *D); 62bb969ed4193e2eadabfaa0dfd0b94312b6146349Douglas Gregor Decl *VisitCXXConversionDecl(CXXConversionDecl *D); 636477b69cc93e0a0ff15036d60d604f3544da0f29Douglas Gregor ParmVarDecl *VisitParmVarDecl(ParmVarDecl *D); 64e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall Decl *VisitClassTemplateDecl(ClassTemplateDecl *D); 657974c3b7062f85bb7c0ada34526cdefe1d30f89bDouglas Gregor Decl *VisitClassTemplatePartialSpecializationDecl( 667974c3b7062f85bb7c0ada34526cdefe1d30f89bDouglas Gregor ClassTemplatePartialSpecializationDecl *D); 67d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor Decl *VisitFunctionTemplateDecl(FunctionTemplateDecl *D); 68e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall Decl *VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D); 6933642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor Decl *VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D); 709106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor Decl *VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D); 7148c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor Decl *VisitUsingDirectiveDecl(UsingDirectiveDecl *D); 72ed97649e9574b9d854fa4d6109c9333ae0993554John McCall Decl *VisitUsingDecl(UsingDecl *D); 73ed97649e9574b9d854fa4d6109c9333ae0993554John McCall Decl *VisitUsingShadowDecl(UsingShadowDecl *D); 747ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall Decl *VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D); 757ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall Decl *VisitUnresolvedUsingTypenameDecl(UnresolvedUsingTypenameDecl *D); 761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 778dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // Base case. FIXME: Remove once we can instantiate everything. 7848c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor Decl *VisitDecl(Decl *D) { 7948c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor unsigned DiagID = SemaRef.getDiagnostics().getCustomDiagID( 8048c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor Diagnostic::Error, 8148c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor "cannot instantiate %0 yet"); 8248c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor SemaRef.Diag(D->getLocation(), DiagID) 8348c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor << D->getDeclKindName(); 8448c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor 858dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor return 0; 868dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 875545e166a956a20d7a6b58408e251a1119025485Douglas Gregor 885545e166a956a20d7a6b58408e251a1119025485Douglas Gregor // Helper functions for instantiating methods. 8921ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall TypeSourceInfo *SubstFunctionType(FunctionDecl *D, 905545e166a956a20d7a6b58408e251a1119025485Douglas Gregor llvm::SmallVectorImpl<ParmVarDecl *> &Params); 91e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor bool InitFunctionInstantiation(FunctionDecl *New, FunctionDecl *Tmpl); 925545e166a956a20d7a6b58408e251a1119025485Douglas Gregor bool InitMethodInstantiation(CXXMethodDecl *New, CXXMethodDecl *Tmpl); 93e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 94e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall TemplateParameterList * 95ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCall SubstTemplateParams(TemplateParameterList *List); 96b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 97b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall bool SubstQualifier(const DeclaratorDecl *OldDecl, 98b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall DeclaratorDecl *NewDecl); 99b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall bool SubstQualifier(const TagDecl *OldDecl, 100b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall TagDecl *NewDecl); 101ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 102ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor bool InstantiateClassTemplatePartialSpecialization( 103ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplateDecl *ClassTemplate, 104ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplatePartialSpecializationDecl *PartialSpec); 1058dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor }; 1068dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor} 1078dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 108b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCallbool TemplateDeclInstantiator::SubstQualifier(const DeclaratorDecl *OldDecl, 109b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall DeclaratorDecl *NewDecl) { 110b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall NestedNameSpecifier *OldQual = OldDecl->getQualifier(); 111b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (!OldQual) return false; 112b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 113b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall SourceRange QualRange = OldDecl->getQualifierRange(); 114b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 115b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall NestedNameSpecifier *NewQual 116b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall = SemaRef.SubstNestedNameSpecifier(OldQual, QualRange, TemplateArgs); 117b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (!NewQual) 118b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall return true; 119b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 120b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall NewDecl->setQualifierInfo(NewQual, QualRange); 121b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall return false; 122b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall} 123b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 124b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCallbool TemplateDeclInstantiator::SubstQualifier(const TagDecl *OldDecl, 125b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall TagDecl *NewDecl) { 126b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall NestedNameSpecifier *OldQual = OldDecl->getQualifier(); 127b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (!OldQual) return false; 128b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 129b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall SourceRange QualRange = OldDecl->getQualifierRange(); 130b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 131b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall NestedNameSpecifier *NewQual 132b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall = SemaRef.SubstNestedNameSpecifier(OldQual, QualRange, TemplateArgs); 133b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (!NewQual) 134b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall return true; 135b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 136b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall NewDecl->setQualifierInfo(NewQual, QualRange); 137b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall return false; 138b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall} 139b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 1404ced79f0971592e6e7122037de69ee9ae534ce72Chandler Carruth// FIXME: Is this still too simple? 1411d8d1ccd36888f1120b3a1df9e76f35dc2edb81dJohn McCallvoid Sema::InstantiateAttrs(const MultiLevelTemplateArgumentList &TemplateArgs, 1421d8d1ccd36888f1120b3a1df9e76f35dc2edb81dJohn McCall Decl *Tmpl, Decl *New) { 143cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt for (AttrVec::const_iterator i = Tmpl->attr_begin(), e = Tmpl->attr_end(); 144cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt i != e; ++i) { 145cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt const Attr *TmplAttr = *i; 1464ced79f0971592e6e7122037de69ee9ae534ce72Chandler Carruth // FIXME: This should be generalized to more than just the AlignedAttr. 1474ced79f0971592e6e7122037de69ee9ae534ce72Chandler Carruth if (const AlignedAttr *Aligned = dyn_cast<AlignedAttr>(TmplAttr)) { 148cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt if (Aligned->isAlignmentDependent()) { 1494ced79f0971592e6e7122037de69ee9ae534ce72Chandler Carruth // The alignment expression is not potentially evaluated. 1501d8d1ccd36888f1120b3a1df9e76f35dc2edb81dJohn McCall EnterExpressionEvaluationContext Unevaluated(*this, 1514ced79f0971592e6e7122037de69ee9ae534ce72Chandler Carruth Action::Unevaluated); 1524ced79f0971592e6e7122037de69ee9ae534ce72Chandler Carruth 153cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt if (Aligned->isAlignmentExpr()) { 154cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt OwningExprResult Result = SubstExpr(Aligned->getAlignmentExpr(), 155cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt TemplateArgs); 156cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt if (!Result.isInvalid()) 157cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt AddAlignedAttr(Aligned->getLocation(), New, Result.takeAs<Expr>()); 158cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt } 159cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt else { 160cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt TypeSourceInfo *Result = SubstType(Aligned->getAlignmentType(), 161cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt TemplateArgs, 162cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt Aligned->getLocation(), 163cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt DeclarationName()); 164cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt if (Result) 165cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt AddAlignedAttr(Aligned->getLocation(), New, Result); 166cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt } 1674ced79f0971592e6e7122037de69ee9ae534ce72Chandler Carruth continue; 1684ced79f0971592e6e7122037de69ee9ae534ce72Chandler Carruth } 1694ced79f0971592e6e7122037de69ee9ae534ce72Chandler Carruth } 1704ced79f0971592e6e7122037de69ee9ae534ce72Chandler Carruth 171d8fe2d56fb5463c9d109e8c6dab2e98b06bee186Anders Carlsson // FIXME: Is cloning correct for all attributes? 1721d8d1ccd36888f1120b3a1df9e76f35dc2edb81dJohn McCall Attr *NewAttr = TmplAttr->clone(Context); 173d8fe2d56fb5463c9d109e8c6dab2e98b06bee186Anders Carlsson New->addAttr(NewAttr); 174d8fe2d56fb5463c9d109e8c6dab2e98b06bee186Anders Carlsson } 175d8fe2d56fb5463c9d109e8c6dab2e98b06bee186Anders Carlsson} 176d8fe2d56fb5463c9d109e8c6dab2e98b06bee186Anders Carlsson 1774f722be4587a7a0dece399fb5405dda158971ae1Douglas GregorDecl * 1784f722be4587a7a0dece399fb5405dda158971ae1Douglas GregorTemplateDeclInstantiator::VisitTranslationUnitDecl(TranslationUnitDecl *D) { 1794f722be4587a7a0dece399fb5405dda158971ae1Douglas Gregor assert(false && "Translation units cannot be instantiated"); 1804f722be4587a7a0dece399fb5405dda158971ae1Douglas Gregor return D; 1814f722be4587a7a0dece399fb5405dda158971ae1Douglas Gregor} 1824f722be4587a7a0dece399fb5405dda158971ae1Douglas Gregor 1834f722be4587a7a0dece399fb5405dda158971ae1Douglas GregorDecl * 1844f722be4587a7a0dece399fb5405dda158971ae1Douglas GregorTemplateDeclInstantiator::VisitNamespaceDecl(NamespaceDecl *D) { 1854f722be4587a7a0dece399fb5405dda158971ae1Douglas Gregor assert(false && "Namespaces cannot be instantiated"); 1864f722be4587a7a0dece399fb5405dda158971ae1Douglas Gregor return D; 1874f722be4587a7a0dece399fb5405dda158971ae1Douglas Gregor} 1884f722be4587a7a0dece399fb5405dda158971ae1Douglas Gregor 1893dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCallDecl * 1903dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCallTemplateDeclInstantiator::VisitNamespaceAliasDecl(NamespaceAliasDecl *D) { 1913dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall NamespaceAliasDecl *Inst 1923dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall = NamespaceAliasDecl::Create(SemaRef.Context, Owner, 1933dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall D->getNamespaceLoc(), 1943dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall D->getAliasLoc(), 1953dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall D->getNamespace()->getIdentifier(), 1963dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall D->getQualifierRange(), 1973dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall D->getQualifier(), 1983dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall D->getTargetNameLoc(), 1993dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall D->getNamespace()); 2003dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall Owner->addDecl(Inst); 2013dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall return Inst; 2023dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall} 2033dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall 2048dbc2694424b4e842b1d5ea39744a137b58600c3Douglas GregorDecl *TemplateDeclInstantiator::VisitTypedefDecl(TypedefDecl *D) { 2058dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor bool Invalid = false; 206a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = D->getTypeSourceInfo(); 207836adf6771d5170d936599dfcce21687e37e9bbfDouglas Gregor if (DI->getType()->isDependentType() || 208836adf6771d5170d936599dfcce21687e37e9bbfDouglas Gregor DI->getType()->isVariablyModifiedType()) { 209ba6a9bd384df475780be636ca45bcef5c5bbd19fJohn McCall DI = SemaRef.SubstType(DI, TemplateArgs, 210ba6a9bd384df475780be636ca45bcef5c5bbd19fJohn McCall D->getLocation(), D->getDeclName()); 211ba6a9bd384df475780be636ca45bcef5c5bbd19fJohn McCall if (!DI) { 2128dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Invalid = true; 213a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall DI = SemaRef.Context.getTrivialTypeSourceInfo(SemaRef.Context.IntTy); 2148dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 215b4eeaff1595b7d0a8fbc2b3c8bec7dc63f48b7fdDouglas Gregor } else { 216b4eeaff1595b7d0a8fbc2b3c8bec7dc63f48b7fdDouglas Gregor SemaRef.MarkDeclarationsReferencedInType(D->getLocation(), DI->getType()); 2178dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 2181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2198dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // Create the new typedef 2208dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor TypedefDecl *Typedef 2218dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor = TypedefDecl::Create(SemaRef.Context, Owner, D->getLocation(), 222ba6a9bd384df475780be636ca45bcef5c5bbd19fJohn McCall D->getIdentifier(), DI); 2238dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor if (Invalid) 2248dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Typedef->setInvalidDecl(); 2258dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 226d57a38ee02c285d69d05fed6df0d7406b2517888Douglas Gregor if (const TagType *TT = DI->getType()->getAs<TagType>()) { 227d57a38ee02c285d69d05fed6df0d7406b2517888Douglas Gregor TagDecl *TD = TT->getDecl(); 228d57a38ee02c285d69d05fed6df0d7406b2517888Douglas Gregor 229d57a38ee02c285d69d05fed6df0d7406b2517888Douglas Gregor // If the TagDecl that the TypedefDecl points to is an anonymous decl 230d57a38ee02c285d69d05fed6df0d7406b2517888Douglas Gregor // keep track of the TypedefDecl. 231d57a38ee02c285d69d05fed6df0d7406b2517888Douglas Gregor if (!TD->getIdentifier() && !TD->getTypedefForAnonDecl()) 232d57a38ee02c285d69d05fed6df0d7406b2517888Douglas Gregor TD->setTypedefForAnonDecl(Typedef); 233d57a38ee02c285d69d05fed6df0d7406b2517888Douglas Gregor } 234d57a38ee02c285d69d05fed6df0d7406b2517888Douglas Gregor 2355126fd0dd92c4ec211c837ee78d5ce59c68dcbd5John McCall if (TypedefDecl *Prev = D->getPreviousDeclaration()) { 2367c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor NamedDecl *InstPrev = SemaRef.FindInstantiatedDecl(D->getLocation(), Prev, 2377c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor TemplateArgs); 2385126fd0dd92c4ec211c837ee78d5ce59c68dcbd5John McCall Typedef->setPreviousDeclaration(cast<TypedefDecl>(InstPrev)); 2395126fd0dd92c4ec211c837ee78d5ce59c68dcbd5John McCall } 2405126fd0dd92c4ec211c837ee78d5ce59c68dcbd5John McCall 2411d8d1ccd36888f1120b3a1df9e76f35dc2edb81dJohn McCall SemaRef.InstantiateAttrs(TemplateArgs, D, Typedef); 242d57a38ee02c285d69d05fed6df0d7406b2517888Douglas Gregor 24346460a68f6508775e98c19b4bb8454bb471aac24John McCall Typedef->setAccess(D->getAccess()); 24417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis Owner->addDecl(Typedef); 2451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2468dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor return Typedef; 2478dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor} 2488dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 2496eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor/// \brief Instantiate the arguments provided as part of initialization. 2506eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor/// 2516eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor/// \returns true if an error occurred, false otherwise. 2526eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregorstatic bool InstantiateInitializationArguments(Sema &SemaRef, 2536eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor Expr **Args, unsigned NumArgs, 2546eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor const MultiLevelTemplateArgumentList &TemplateArgs, 2556eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor llvm::SmallVectorImpl<SourceLocation> &FakeCommaLocs, 2566eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor ASTOwningVector<&ActionBase::DeleteExpr> &InitArgs) { 2576eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor for (unsigned I = 0; I != NumArgs; ++I) { 2586eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor // When we hit the first defaulted argument, break out of the loop: 2596eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor // we don't pass those default arguments on. 2606eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor if (Args[I]->isDefaultArgument()) 2616eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor break; 2626eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor 2636eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor Sema::OwningExprResult Arg = SemaRef.SubstExpr(Args[I], TemplateArgs); 2646eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor if (Arg.isInvalid()) 2656eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor return true; 2666eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor 2676eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor Expr *ArgExpr = (Expr *)Arg.get(); 2686eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor InitArgs.push_back(Arg.release()); 2696eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor 2706eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor // FIXME: We're faking all of the comma locations. Do we need them? 2716eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor FakeCommaLocs.push_back( 2726eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor SemaRef.PP.getLocForEndOfToken(ArgExpr->getLocEnd())); 2736eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor } 2746eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor 2756eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor return false; 2766eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor} 2776eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor 2786b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// \brief Instantiate an initializer, breaking it into separate 2796b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// initialization arguments. 2806b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// 2816b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// \param S The semantic analysis object. 2826b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// 2836b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// \param Init The initializer to instantiate. 2846b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// 2856b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// \param TemplateArgs Template arguments to be substituted into the 2866b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// initializer. 2876b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// 2886b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// \param NewArgs Will be filled in with the instantiation arguments. 2896b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// 2906b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// \returns true if an error occurred, false otherwise 2916b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregorstatic bool InstantiateInitializer(Sema &S, Expr *Init, 2926b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor const MultiLevelTemplateArgumentList &TemplateArgs, 2936b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor SourceLocation &LParenLoc, 2946b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor llvm::SmallVector<SourceLocation, 4> &CommaLocs, 2956b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor ASTOwningVector<&ActionBase::DeleteExpr> &NewArgs, 2966b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor SourceLocation &RParenLoc) { 2976b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor NewArgs.clear(); 2986b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor LParenLoc = SourceLocation(); 2996b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor RParenLoc = SourceLocation(); 3006b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 3016b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (!Init) 3026b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor return false; 3036b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 3046b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (CXXExprWithTemporaries *ExprTemp = dyn_cast<CXXExprWithTemporaries>(Init)) 3056b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor Init = ExprTemp->getSubExpr(); 3066b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 3076b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor while (CXXBindTemporaryExpr *Binder = dyn_cast<CXXBindTemporaryExpr>(Init)) 3086b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor Init = Binder->getSubExpr(); 3096b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 3106b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(Init)) 3116b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor Init = ICE->getSubExprAsWritten(); 3126b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 3136b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (ParenListExpr *ParenList = dyn_cast<ParenListExpr>(Init)) { 3146b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor LParenLoc = ParenList->getLParenLoc(); 3156b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor RParenLoc = ParenList->getRParenLoc(); 3166b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor return InstantiateInitializationArguments(S, ParenList->getExprs(), 3176b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor ParenList->getNumExprs(), 3186b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor TemplateArgs, CommaLocs, 3196b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor NewArgs); 3206b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor } 3216b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 3226b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (CXXConstructExpr *Construct = dyn_cast<CXXConstructExpr>(Init)) { 32328329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor if (!isa<CXXTemporaryObjectExpr>(Construct)) { 32428329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor if (InstantiateInitializationArguments(S, 32528329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor Construct->getArgs(), 32628329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor Construct->getNumArgs(), 32728329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor TemplateArgs, 32828329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor CommaLocs, NewArgs)) 32928329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor return true; 33028329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor 33128329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor // FIXME: Fake locations! 33228329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor LParenLoc = S.PP.getLocForEndOfToken(Init->getLocStart()); 33328329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor RParenLoc = CommaLocs.empty()? LParenLoc : CommaLocs.back(); 33428329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor return false; 33528329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor } 3366b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor } 3376b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 3386b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor Sema::OwningExprResult Result = S.SubstExpr(Init, TemplateArgs); 3396b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (Result.isInvalid()) 3406b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor return true; 3416b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 3426b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor NewArgs.push_back(Result.takeAs<Expr>()); 3436b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor return false; 3446b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor} 3456b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 3463d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas GregorDecl *TemplateDeclInstantiator::VisitVarDecl(VarDecl *D) { 3479901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor // If this is the variable for an anonymous struct or union, 3489901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor // instantiate the anonymous struct/union type first. 3499901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor if (const RecordType *RecordTy = D->getType()->getAs<RecordType>()) 3509901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor if (RecordTy->getDecl()->isAnonymousStructOrUnion()) 3519901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor if (!VisitCXXRecordDecl(cast<CXXRecordDecl>(RecordTy->getDecl()))) 3529901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor return 0; 3539901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor 354ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCall // Do substitution on the type of the declaration 355a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = SemaRef.SubstType(D->getTypeSourceInfo(), 3560a5fa06a688e1086ea553a24b42b9915996ed1f7John McCall TemplateArgs, 3570a5fa06a688e1086ea553a24b42b9915996ed1f7John McCall D->getTypeSpecStartLoc(), 3580a5fa06a688e1086ea553a24b42b9915996ed1f7John McCall D->getDeclName()); 3590a5fa06a688e1086ea553a24b42b9915996ed1f7John McCall if (!DI) 3603d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor return 0; 3613d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor 362b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor // Build the instantiated declaration 3633d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor VarDecl *Var = VarDecl::Create(SemaRef.Context, Owner, 3643d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor D->getLocation(), D->getIdentifier(), 3650a5fa06a688e1086ea553a24b42b9915996ed1f7John McCall DI->getType(), DI, 36616573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor D->getStorageClass(), 36716573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor D->getStorageClassAsWritten()); 3683d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor Var->setThreadSpecified(D->isThreadSpecified()); 3693d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor Var->setCXXDirectInitializer(D->hasCXXDirectInitializer()); 3701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 371b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Substitute the nested name specifier, if any. 372b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (SubstQualifier(D, Var)) 373b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall return 0; 374b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 3751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If we are instantiating a static data member defined 3767caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // out-of-line, the instantiation will have the same lexical 3777caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // context (which will be a namespace scope) as the template. 3787caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (D->isOutOfLine()) 3797caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor Var->setLexicalDeclContext(D->getLexicalDeclContext()); 3801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 38146460a68f6508775e98c19b4bb8454bb471aac24John McCall Var->setAccess(D->getAccess()); 382c070cc602d6eefea881f71a60de09e05b54c3fddDouglas Gregor 383c070cc602d6eefea881f71a60de09e05b54c3fddDouglas Gregor if (!D->isStaticDataMember()) 384c070cc602d6eefea881f71a60de09e05b54c3fddDouglas Gregor Var->setUsed(D->isUsed(false)); 3854469e8a97cdca3725b4f8f366916143113c029acDouglas Gregor 386390b4cc8b45a05612349269ef08faab3e4688f06Mike Stump // FIXME: In theory, we could have a previous declaration for variables that 387390b4cc8b45a05612349269ef08faab3e4688f06Mike Stump // are not static data members. 3883d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor bool Redeclaration = false; 3896826314938f8510cd1a6b03b5d032592456ae27bJohn McCall // FIXME: having to fake up a LookupResult is dumb. 3906826314938f8510cd1a6b03b5d032592456ae27bJohn McCall LookupResult Previous(SemaRef, Var->getDeclName(), Var->getLocation(), 391449d0a829007ea654912098e6a73134a2c529d61Douglas Gregor Sema::LookupOrdinaryName, Sema::ForRedeclaration); 39260c93c9981c467738369702e7aa23fd58c2b6aacDouglas Gregor if (D->isStaticDataMember()) 39360c93c9981c467738369702e7aa23fd58c2b6aacDouglas Gregor SemaRef.LookupQualifiedName(Previous, Owner, false); 3946826314938f8510cd1a6b03b5d032592456ae27bJohn McCall SemaRef.CheckVariableDeclaration(Var, Previous, Redeclaration); 3951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3967caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (D->isOutOfLine()) { 397ea7b4880bc07cd99b3994c2a95d722a06ab56594Abramo Bagnara if (!D->isStaticDataMember()) 398ea7b4880bc07cd99b3994c2a95d722a06ab56594Abramo Bagnara D->getLexicalDeclContext()->addDecl(Var); 3997caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor Owner->makeDeclVisibleInContext(Var); 4007caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor } else { 4017caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor Owner->addDecl(Var); 402f7d72f5a4a3f0e610d77c6779ca3c21920a14bc7Douglas Gregor if (Owner->isFunctionOrMethod()) 403f7d72f5a4a3f0e610d77c6779ca3c21920a14bc7Douglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal(D, Var); 4047caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor } 4051d8d1ccd36888f1120b3a1df9e76f35dc2edb81dJohn McCall SemaRef.InstantiateAttrs(TemplateArgs, D, Var); 4068dd0c5626455cdf94280783e85e413eed6cbf3d9Fariborz Jahanian 407251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor // Link instantiations of static data members back to the template from 408251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor // which they were instantiated. 409251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor if (Var->isStaticDataMember()) 410251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor SemaRef.Context.setInstantiatedFromStaticDataMember(Var, D, 411cf3293eaeb3853d12cff47e648bbe835004e929fDouglas Gregor TSK_ImplicitInstantiation); 412251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor 41360c93c9981c467738369702e7aa23fd58c2b6aacDouglas Gregor if (Var->getAnyInitializer()) { 41460c93c9981c467738369702e7aa23fd58c2b6aacDouglas Gregor // We already have an initializer in the class. 41560c93c9981c467738369702e7aa23fd58c2b6aacDouglas Gregor } else if (D->getInit()) { 4161f5f3a4d58a1c7c50c331b33329fc14563533c04Douglas Gregor if (Var->isStaticDataMember() && !D->isOutOfLine()) 4171f5f3a4d58a1c7c50c331b33329fc14563533c04Douglas Gregor SemaRef.PushExpressionEvaluationContext(Sema::Unevaluated); 4181f5f3a4d58a1c7c50c331b33329fc14563533c04Douglas Gregor else 4191f5f3a4d58a1c7c50c331b33329fc14563533c04Douglas Gregor SemaRef.PushExpressionEvaluationContext(Sema::PotentiallyEvaluated); 4201f5f3a4d58a1c7c50c331b33329fc14563533c04Douglas Gregor 4216b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor // Instantiate the initializer. 4226b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor SourceLocation LParenLoc, RParenLoc; 4236b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor llvm::SmallVector<SourceLocation, 4> CommaLocs; 4246b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor ASTOwningVector<&ActionBase::DeleteExpr> InitArgs(SemaRef); 4256b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (!InstantiateInitializer(SemaRef, D->getInit(), TemplateArgs, LParenLoc, 4266b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor CommaLocs, InitArgs, RParenLoc)) { 4276b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor // Attach the initializer to the declaration. 4286b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (D->hasCXXDirectInitializer()) { 4296eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor // Add the direct initializer to the declaration. 430d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall SemaRef.AddCXXDirectInitializerToDecl(Var, 4316b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor LParenLoc, 4326eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor move_arg(InitArgs), 4336eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor CommaLocs.data(), 4346b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor RParenLoc); 4356b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor } else if (InitArgs.size() == 1) { 4366b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor Expr *Init = (Expr*)(InitArgs.take()[0]); 437d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall SemaRef.AddInitializerToDecl(Var, 4386b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor SemaRef.Owned(Init), 4396b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor false); 4406b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor } else { 4416b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor assert(InitArgs.size() == 0); 442d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall SemaRef.ActOnUninitializedDecl(Var, false); 44383ddad3ab513f5d73698cf9fbeb4ed3f011bc3b9Douglas Gregor } 4446eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor } else { 4456b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor // FIXME: Not too happy about invalidating the declaration 4466b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor // because of a bogus initializer. 4476b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor Var->setInvalidDecl(); 4486eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor } 4496eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor 4501f5f3a4d58a1c7c50c331b33329fc14563533c04Douglas Gregor SemaRef.PopExpressionEvaluationContext(); 45165b90055dd30cfb83d8344ff62ed428257431be4Douglas Gregor } else if (!Var->isStaticDataMember() || Var->isOutOfLine()) 452d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall SemaRef.ActOnUninitializedDecl(Var, false); 4533d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor 4545764f613e61cb3183f3d7ceeafd23396de96ed16Douglas Gregor // Diagnose unused local variables. 4555764f613e61cb3183f3d7ceeafd23396de96ed16Douglas Gregor if (!Var->isInvalidDecl() && Owner->isFunctionOrMethod() && !Var->isUsed()) 4565764f613e61cb3183f3d7ceeafd23396de96ed16Douglas Gregor SemaRef.DiagnoseUnusedDecl(Var); 457bbc6454bb98d6a6ecbaafa715222c5db834307f2Argyrios Kyrtzidis 4583d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor return Var; 4593d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor} 4603d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor 4616206d53f67613958ae1b023aba337ebb46f11a8bAbramo BagnaraDecl *TemplateDeclInstantiator::VisitAccessSpecDecl(AccessSpecDecl *D) { 4626206d53f67613958ae1b023aba337ebb46f11a8bAbramo Bagnara AccessSpecDecl* AD 4636206d53f67613958ae1b023aba337ebb46f11a8bAbramo Bagnara = AccessSpecDecl::Create(SemaRef.Context, D->getAccess(), Owner, 4646206d53f67613958ae1b023aba337ebb46f11a8bAbramo Bagnara D->getAccessSpecifierLoc(), D->getColonLoc()); 4656206d53f67613958ae1b023aba337ebb46f11a8bAbramo Bagnara Owner->addHiddenDecl(AD); 4666206d53f67613958ae1b023aba337ebb46f11a8bAbramo Bagnara return AD; 4676206d53f67613958ae1b023aba337ebb46f11a8bAbramo Bagnara} 4686206d53f67613958ae1b023aba337ebb46f11a8bAbramo Bagnara 4698dbc2694424b4e842b1d5ea39744a137b58600c3Douglas GregorDecl *TemplateDeclInstantiator::VisitFieldDecl(FieldDecl *D) { 4708dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor bool Invalid = false; 471a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = D->getTypeSourceInfo(); 472836adf6771d5170d936599dfcce21687e37e9bbfDouglas Gregor if (DI->getType()->isDependentType() || 473836adf6771d5170d936599dfcce21687e37e9bbfDouglas Gregor DI->getType()->isVariablyModifiedType()) { 47407fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall DI = SemaRef.SubstType(DI, TemplateArgs, 47507fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall D->getLocation(), D->getDeclName()); 47607fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall if (!DI) { 477a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall DI = D->getTypeSourceInfo(); 47807fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall Invalid = true; 47907fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall } else if (DI->getType()->isFunctionType()) { 4808dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // C++ [temp.arg.type]p3: 4818dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // If a declaration acquires a function type through a type 4828dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // dependent on a template-parameter and this causes a 4838dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // declaration that does not use the syntactic form of a 4848dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // function declarator to have function type, the program is 4858dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // ill-formed. 4868dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor SemaRef.Diag(D->getLocation(), diag::err_field_instantiates_to_function) 48707fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall << DI->getType(); 4888dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Invalid = true; 4898dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 490b4eeaff1595b7d0a8fbc2b3c8bec7dc63f48b7fdDouglas Gregor } else { 491b4eeaff1595b7d0a8fbc2b3c8bec7dc63f48b7fdDouglas Gregor SemaRef.MarkDeclarationsReferencedInType(D->getLocation(), DI->getType()); 4928dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 4938dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 4948dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Expr *BitWidth = D->getBitWidth(); 4958dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor if (Invalid) 4968dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor BitWidth = 0; 4978dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor else if (BitWidth) { 498ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor // The bit-width expression is not potentially evaluated. 499ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor EnterExpressionEvaluationContext Unevaluated(SemaRef, Action::Unevaluated); 5001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5018dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor OwningExprResult InstantiatedBitWidth 502ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCall = SemaRef.SubstExpr(BitWidth, TemplateArgs); 5038dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor if (InstantiatedBitWidth.isInvalid()) { 5048dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Invalid = true; 5058dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor BitWidth = 0; 5068dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } else 507e9146f2e9f1c4e281544e8c080934c72d41012caAnders Carlsson BitWidth = InstantiatedBitWidth.takeAs<Expr>(); 5088dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 5098dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 51007fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall FieldDecl *Field = SemaRef.CheckFieldDecl(D->getDeclName(), 51107fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall DI->getType(), DI, 5121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump cast<RecordDecl>(Owner), 5138dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor D->getLocation(), 5148dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor D->isMutable(), 5158dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor BitWidth, 516ea218b8e8f9ba82d1c76bcb7e86d121a5f65ebedSteve Naroff D->getTypeSpecStartLoc(), 5178dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor D->getAccess(), 5188dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 0); 519663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor if (!Field) { 520663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor cast<Decl>(Owner)->setInvalidDecl(); 521f4b5f5c6a1487317aab9aa30d97bccfd57c82c98Anders Carlsson return 0; 522663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor } 5231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5241d8d1ccd36888f1120b3a1df9e76f35dc2edb81dJohn McCall SemaRef.InstantiateAttrs(TemplateArgs, D, Field); 525d8fe2d56fb5463c9d109e8c6dab2e98b06bee186Anders Carlsson 526f4b5f5c6a1487317aab9aa30d97bccfd57c82c98Anders Carlsson if (Invalid) 527f4b5f5c6a1487317aab9aa30d97bccfd57c82c98Anders Carlsson Field->setInvalidDecl(); 5281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 529f4b5f5c6a1487317aab9aa30d97bccfd57c82c98Anders Carlsson if (!Field->getDeclName()) { 530f4b5f5c6a1487317aab9aa30d97bccfd57c82c98Anders Carlsson // Keep track of where this decl came from. 531f4b5f5c6a1487317aab9aa30d97bccfd57c82c98Anders Carlsson SemaRef.Context.setInstantiatedFromUnnamedFieldDecl(Field, D); 5329901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor } 5339901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor if (CXXRecordDecl *Parent= dyn_cast<CXXRecordDecl>(Field->getDeclContext())) { 5349901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor if (Parent->isAnonymousStructOrUnion() && 5359901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor Parent->getLookupContext()->isFunctionOrMethod()) 5369901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal(D, Field); 5378dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 5381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 539f4b5f5c6a1487317aab9aa30d97bccfd57c82c98Anders Carlsson Field->setImplicit(D->isImplicit()); 54046460a68f6508775e98c19b4bb8454bb471aac24John McCall Field->setAccess(D->getAccess()); 541f4b5f5c6a1487317aab9aa30d97bccfd57c82c98Anders Carlsson Owner->addDecl(Field); 5428dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 5438dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor return Field; 5448dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor} 5458dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 54602cace78cf48cc26686bd5b07c78606abca13bcdJohn McCallDecl *TemplateDeclInstantiator::VisitFriendDecl(FriendDecl *D) { 54702cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall // Handle friend type expressions by simply substituting template 54806245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor // parameters into the pattern type and checking the result. 54932f2fb53d9d7c28c94d8569fd0fcf06cccee0c3dJohn McCall if (TypeSourceInfo *Ty = D->getFriendType()) { 55032f2fb53d9d7c28c94d8569fd0fcf06cccee0c3dJohn McCall TypeSourceInfo *InstTy = 55132f2fb53d9d7c28c94d8569fd0fcf06cccee0c3dJohn McCall SemaRef.SubstType(Ty, TemplateArgs, 55232f2fb53d9d7c28c94d8569fd0fcf06cccee0c3dJohn McCall D->getLocation(), DeclarationName()); 55306245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor if (!InstTy) 55406245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor return 0; 555fd810b1386ed29b250e7d522ea826a65c815e49dJohn McCall 55606245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor FriendDecl *FD = SemaRef.CheckFriendTypeDecl(D->getFriendLoc(), InstTy); 55706245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor if (!FD) 55806245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor return 0; 55906245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor 56006245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor FD->setAccess(AS_public); 56106245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor Owner->addDecl(FD); 56206245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor return FD; 56306245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor } 56406245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor 56506245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor NamedDecl *ND = D->getFriendDecl(); 56606245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor assert(ND && "friend decl must be a decl or a type!"); 56732f2fb53d9d7c28c94d8569fd0fcf06cccee0c3dJohn McCall 568af2094e7cecadf36667deb61a83587ffdd979bd3John McCall // All of the Visit implementations for the various potential friend 569af2094e7cecadf36667deb61a83587ffdd979bd3John McCall // declarations have to be carefully written to work for friend 570af2094e7cecadf36667deb61a83587ffdd979bd3John McCall // objects, with the most important detail being that the target 571af2094e7cecadf36667deb61a83587ffdd979bd3John McCall // decl should almost certainly not be placed in Owner. 572af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Decl *NewND = Visit(ND); 57306245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor if (!NewND) return 0; 5741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 57502cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall FriendDecl *FD = 57606245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor FriendDecl::Create(SemaRef.Context, Owner, D->getLocation(), 57706245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor cast<NamedDecl>(NewND), D->getFriendLoc()); 5785fee110ac106370f75592df024001de73edced2aJohn McCall FD->setAccess(AS_public); 57902cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall Owner->addDecl(FD); 58002cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall return FD; 581fd810b1386ed29b250e7d522ea826a65c815e49dJohn McCall} 582fd810b1386ed29b250e7d522ea826a65c815e49dJohn McCall 5838dbc2694424b4e842b1d5ea39744a137b58600c3Douglas GregorDecl *TemplateDeclInstantiator::VisitStaticAssertDecl(StaticAssertDecl *D) { 5848dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Expr *AssertExpr = D->getAssertExpr(); 5851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 586ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor // The expression in a static assertion is not potentially evaluated. 587ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor EnterExpressionEvaluationContext Unevaluated(SemaRef, Action::Unevaluated); 5881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5898dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor OwningExprResult InstantiatedAssertExpr 590ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCall = SemaRef.SubstExpr(AssertExpr, TemplateArgs); 5918dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor if (InstantiatedAssertExpr.isInvalid()) 5928dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor return 0; 5938dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 59443d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor OwningExprResult Message(SemaRef, D->getMessage()); 59543d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor D->getMessage()->Retain(); 596d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return SemaRef.ActOnStaticAssertDeclaration(D->getLocation(), 597d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall move(InstantiatedAssertExpr), 598d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall move(Message)); 5998dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor} 6008dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 6018dbc2694424b4e842b1d5ea39744a137b58600c3Douglas GregorDecl *TemplateDeclInstantiator::VisitEnumDecl(EnumDecl *D) { 6021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump EnumDecl *Enum = EnumDecl::Create(SemaRef.Context, Owner, 6038dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor D->getLocation(), D->getIdentifier(), 604741dd9a7e1d63e4e385b657e4ce11c5d96d44f72Douglas Gregor D->getTagKeywordLoc(), 6058dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor /*PrevDecl=*/0); 6068dbc3c64965f99e48830885835b7d2fc26ec3cf5Douglas Gregor Enum->setInstantiationOfMemberEnum(D); 60706c0fecd197fef21e265a41bca8dc5022de1f864Douglas Gregor Enum->setAccess(D->getAccess()); 608b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (SubstQualifier(D, Enum)) return 0; 60917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis Owner->addDecl(Enum); 6108dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Enum->startDefinition(); 6118dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 61296084f171f4824397dc48453146f0a9719cb9247Douglas Gregor if (D->getDeclContext()->isFunctionOrMethod()) 61396084f171f4824397dc48453146f0a9719cb9247Douglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal(D, Enum); 61496084f171f4824397dc48453146f0a9719cb9247Douglas Gregor 615d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall llvm::SmallVector<Decl*, 4> Enumerators; 6168dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 6178dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor EnumConstantDecl *LastEnumConst = 0; 61817945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (EnumDecl::enumerator_iterator EC = D->enumerator_begin(), 61917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis ECEnd = D->enumerator_end(); 6208dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor EC != ECEnd; ++EC) { 6218dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // The specified value for the enumerator. 6228dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor OwningExprResult Value = SemaRef.Owned((Expr *)0); 623ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor if (Expr *UninstValue = EC->getInitExpr()) { 624ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor // The enumerator's value expression is not potentially evaluated. 6251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump EnterExpressionEvaluationContext Unevaluated(SemaRef, 626ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor Action::Unevaluated); 6271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 628ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCall Value = SemaRef.SubstExpr(UninstValue, TemplateArgs); 629ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor } 6308dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 6318dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // Drop the initial value and continue. 6328dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor bool isInvalid = false; 6338dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor if (Value.isInvalid()) { 6348dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Value = SemaRef.Owned((Expr *)0); 6358dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor isInvalid = true; 6368dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 6378dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 6381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump EnumConstantDecl *EnumConst 6398dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor = SemaRef.CheckEnumConstant(Enum, LastEnumConst, 6408dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor EC->getLocation(), EC->getIdentifier(), 6418dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor move(Value)); 6428dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 6438dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor if (isInvalid) { 6448dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor if (EnumConst) 6458dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor EnumConst->setInvalidDecl(); 6468dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Enum->setInvalidDecl(); 6478dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 6488dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 6498dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor if (EnumConst) { 6503b85ecf2049c8670eba30d0c06f28f64168af9b8John McCall EnumConst->setAccess(Enum->getAccess()); 65117945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis Enum->addDecl(EnumConst); 652d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Enumerators.push_back(EnumConst); 6538dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor LastEnumConst = EnumConst; 65496084f171f4824397dc48453146f0a9719cb9247Douglas Gregor 65596084f171f4824397dc48453146f0a9719cb9247Douglas Gregor if (D->getDeclContext()->isFunctionOrMethod()) { 65696084f171f4824397dc48453146f0a9719cb9247Douglas Gregor // If the enumeration is within a function or method, record the enum 65796084f171f4824397dc48453146f0a9719cb9247Douglas Gregor // constant as a local. 65896084f171f4824397dc48453146f0a9719cb9247Douglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal(*EC, EnumConst); 65996084f171f4824397dc48453146f0a9719cb9247Douglas Gregor } 6608dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 6618dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 6621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 663c6e35aae23bc3cea7daf5ee075fa695c01c0f66fMike Stump // FIXME: Fixup LBraceLoc and RBraceLoc 664fee13819693c8492f0c364bc704645e844ef737aEdward O'Callaghan // FIXME: Empty Scope and AttributeList (required to handle attribute packed). 665c6e35aae23bc3cea7daf5ee075fa695c01c0f66fMike Stump SemaRef.ActOnEnumBody(Enum->getLocation(), SourceLocation(), SourceLocation(), 666d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Enum, 667de7a0fcdf9f30cb5a97aab614f3975d93cd9926fEli Friedman Enumerators.data(), Enumerators.size(), 668fee13819693c8492f0c364bc704645e844ef737aEdward O'Callaghan 0, 0); 6698dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 6708dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor return Enum; 6718dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor} 6728dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 6736477b69cc93e0a0ff15036d60d604f3544da0f29Douglas GregorDecl *TemplateDeclInstantiator::VisitEnumConstantDecl(EnumConstantDecl *D) { 6746477b69cc93e0a0ff15036d60d604f3544da0f29Douglas Gregor assert(false && "EnumConstantDecls can only occur within EnumDecls."); 6756477b69cc93e0a0ff15036d60d604f3544da0f29Douglas Gregor return 0; 6766477b69cc93e0a0ff15036d60d604f3544da0f29Douglas Gregor} 6776477b69cc93e0a0ff15036d60d604f3544da0f29Douglas Gregor 678e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCallDecl *TemplateDeclInstantiator::VisitClassTemplateDecl(ClassTemplateDecl *D) { 67993ba8579c341d5329175f1413cdc3b35a36592d2John McCall bool isFriend = (D->getFriendObjectKind() != Decl::FOK_None); 68093ba8579c341d5329175f1413cdc3b35a36592d2John McCall 681550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // Create a local instantiation scope for this class template, which 682550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // will contain the instantiations of the template parameters. 683550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor Sema::LocalInstantiationScope Scope(SemaRef); 684e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall TemplateParameterList *TempParams = D->getTemplateParameters(); 685ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCall TemplateParameterList *InstParams = SubstTemplateParams(TempParams); 6861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!InstParams) 687d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor return NULL; 688e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 689e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall CXXRecordDecl *Pattern = D->getTemplatedDecl(); 69093ba8579c341d5329175f1413cdc3b35a36592d2John McCall 69193ba8579c341d5329175f1413cdc3b35a36592d2John McCall // Instantiate the qualifier. We have to do this first in case 69293ba8579c341d5329175f1413cdc3b35a36592d2John McCall // we're a friend declaration, because if we are then we need to put 69393ba8579c341d5329175f1413cdc3b35a36592d2John McCall // the new declaration in the appropriate context. 69493ba8579c341d5329175f1413cdc3b35a36592d2John McCall NestedNameSpecifier *Qualifier = Pattern->getQualifier(); 69593ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (Qualifier) { 69693ba8579c341d5329175f1413cdc3b35a36592d2John McCall Qualifier = SemaRef.SubstNestedNameSpecifier(Qualifier, 69793ba8579c341d5329175f1413cdc3b35a36592d2John McCall Pattern->getQualifierRange(), 69893ba8579c341d5329175f1413cdc3b35a36592d2John McCall TemplateArgs); 69993ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (!Qualifier) return 0; 70093ba8579c341d5329175f1413cdc3b35a36592d2John McCall } 70193ba8579c341d5329175f1413cdc3b35a36592d2John McCall 70293ba8579c341d5329175f1413cdc3b35a36592d2John McCall CXXRecordDecl *PrevDecl = 0; 70393ba8579c341d5329175f1413cdc3b35a36592d2John McCall ClassTemplateDecl *PrevClassTemplate = 0; 70493ba8579c341d5329175f1413cdc3b35a36592d2John McCall 70593ba8579c341d5329175f1413cdc3b35a36592d2John McCall // If this isn't a friend, then it's a member template, in which 70693ba8579c341d5329175f1413cdc3b35a36592d2John McCall // case we just want to build the instantiation in the 70793ba8579c341d5329175f1413cdc3b35a36592d2John McCall // specialization. If it is a friend, we want to build it in 70893ba8579c341d5329175f1413cdc3b35a36592d2John McCall // the appropriate context. 70993ba8579c341d5329175f1413cdc3b35a36592d2John McCall DeclContext *DC = Owner; 71093ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (isFriend) { 71193ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (Qualifier) { 71293ba8579c341d5329175f1413cdc3b35a36592d2John McCall CXXScopeSpec SS; 71393ba8579c341d5329175f1413cdc3b35a36592d2John McCall SS.setScopeRep(Qualifier); 71493ba8579c341d5329175f1413cdc3b35a36592d2John McCall SS.setRange(Pattern->getQualifierRange()); 71593ba8579c341d5329175f1413cdc3b35a36592d2John McCall DC = SemaRef.computeDeclContext(SS); 71693ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (!DC) return 0; 71793ba8579c341d5329175f1413cdc3b35a36592d2John McCall } else { 71893ba8579c341d5329175f1413cdc3b35a36592d2John McCall DC = SemaRef.FindInstantiatedContext(Pattern->getLocation(), 71993ba8579c341d5329175f1413cdc3b35a36592d2John McCall Pattern->getDeclContext(), 72093ba8579c341d5329175f1413cdc3b35a36592d2John McCall TemplateArgs); 72193ba8579c341d5329175f1413cdc3b35a36592d2John McCall } 72293ba8579c341d5329175f1413cdc3b35a36592d2John McCall 72393ba8579c341d5329175f1413cdc3b35a36592d2John McCall // Look for a previous declaration of the template in the owning 72493ba8579c341d5329175f1413cdc3b35a36592d2John McCall // context. 72593ba8579c341d5329175f1413cdc3b35a36592d2John McCall LookupResult R(SemaRef, Pattern->getDeclName(), Pattern->getLocation(), 72693ba8579c341d5329175f1413cdc3b35a36592d2John McCall Sema::LookupOrdinaryName, Sema::ForRedeclaration); 72793ba8579c341d5329175f1413cdc3b35a36592d2John McCall SemaRef.LookupQualifiedName(R, DC); 72893ba8579c341d5329175f1413cdc3b35a36592d2John McCall 72993ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (R.isSingleResult()) { 73093ba8579c341d5329175f1413cdc3b35a36592d2John McCall PrevClassTemplate = R.getAsSingle<ClassTemplateDecl>(); 73193ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (PrevClassTemplate) 73293ba8579c341d5329175f1413cdc3b35a36592d2John McCall PrevDecl = PrevClassTemplate->getTemplatedDecl(); 73393ba8579c341d5329175f1413cdc3b35a36592d2John McCall } 73493ba8579c341d5329175f1413cdc3b35a36592d2John McCall 73593ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (!PrevClassTemplate && Qualifier) { 73693ba8579c341d5329175f1413cdc3b35a36592d2John McCall SemaRef.Diag(Pattern->getLocation(), diag::err_not_tag_in_scope) 7371eabb7d0c30f6a876b0fd03ad4656c096c26b8d0Douglas Gregor << D->getTemplatedDecl()->getTagKind() << Pattern->getDeclName() << DC 7381eabb7d0c30f6a876b0fd03ad4656c096c26b8d0Douglas Gregor << Pattern->getQualifierRange(); 73993ba8579c341d5329175f1413cdc3b35a36592d2John McCall return 0; 74093ba8579c341d5329175f1413cdc3b35a36592d2John McCall } 74193ba8579c341d5329175f1413cdc3b35a36592d2John McCall 742c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor bool AdoptedPreviousTemplateParams = false; 74393ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (PrevClassTemplate) { 744c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor bool Complain = true; 745c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor 746c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor // HACK: libstdc++ 4.2.1 contains an ill-formed friend class 747c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor // template for struct std::tr1::__detail::_Map_base, where the 748c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor // template parameters of the friend declaration don't match the 749c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor // template parameters of the original declaration. In this one 750c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor // case, we don't complain about the ill-formed friend 751c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor // declaration. 752c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor if (isFriend && Pattern->getIdentifier() && 753c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor Pattern->getIdentifier()->isStr("_Map_base") && 754c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor DC->isNamespace() && 755c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor cast<NamespaceDecl>(DC)->getIdentifier() && 756c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor cast<NamespaceDecl>(DC)->getIdentifier()->isStr("__detail")) { 757c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor DeclContext *DCParent = DC->getParent(); 758c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor if (DCParent->isNamespace() && 759c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor cast<NamespaceDecl>(DCParent)->getIdentifier() && 760c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor cast<NamespaceDecl>(DCParent)->getIdentifier()->isStr("tr1")) { 761c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor DeclContext *DCParent2 = DCParent->getParent(); 762c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor if (DCParent2->isNamespace() && 763c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor cast<NamespaceDecl>(DCParent2)->getIdentifier() && 764c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor cast<NamespaceDecl>(DCParent2)->getIdentifier()->isStr("std") && 765c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor DCParent2->getParent()->isTranslationUnit()) 766c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor Complain = false; 767c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor } 768c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor } 769c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor 77093ba8579c341d5329175f1413cdc3b35a36592d2John McCall TemplateParameterList *PrevParams 77193ba8579c341d5329175f1413cdc3b35a36592d2John McCall = PrevClassTemplate->getTemplateParameters(); 77293ba8579c341d5329175f1413cdc3b35a36592d2John McCall 77393ba8579c341d5329175f1413cdc3b35a36592d2John McCall // Make sure the parameter lists match. 77493ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (!SemaRef.TemplateParameterListsAreEqual(InstParams, PrevParams, 775c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor Complain, 776c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor Sema::TPL_TemplateMatch)) { 777c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor if (Complain) 778c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor return 0; 779c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor 780c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor AdoptedPreviousTemplateParams = true; 781c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor InstParams = PrevParams; 782c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor } 78393ba8579c341d5329175f1413cdc3b35a36592d2John McCall 78493ba8579c341d5329175f1413cdc3b35a36592d2John McCall // Do some additional validation, then merge default arguments 78593ba8579c341d5329175f1413cdc3b35a36592d2John McCall // from the existing declarations. 786c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor if (!AdoptedPreviousTemplateParams && 787c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor SemaRef.CheckTemplateParameterList(InstParams, PrevParams, 78893ba8579c341d5329175f1413cdc3b35a36592d2John McCall Sema::TPC_ClassTemplate)) 78993ba8579c341d5329175f1413cdc3b35a36592d2John McCall return 0; 79093ba8579c341d5329175f1413cdc3b35a36592d2John McCall } 79193ba8579c341d5329175f1413cdc3b35a36592d2John McCall } 79293ba8579c341d5329175f1413cdc3b35a36592d2John McCall 793e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall CXXRecordDecl *RecordInst 79493ba8579c341d5329175f1413cdc3b35a36592d2John McCall = CXXRecordDecl::Create(SemaRef.Context, Pattern->getTagKind(), DC, 795e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall Pattern->getLocation(), Pattern->getIdentifier(), 79693ba8579c341d5329175f1413cdc3b35a36592d2John McCall Pattern->getTagKeywordLoc(), PrevDecl, 797f0510d49a6985e9284d30cfc36a0df2a6292a638Douglas Gregor /*DelayTypeCreation=*/true); 798e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 79993ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (Qualifier) 80093ba8579c341d5329175f1413cdc3b35a36592d2John McCall RecordInst->setQualifierInfo(Qualifier, Pattern->getQualifierRange()); 801b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 802e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall ClassTemplateDecl *Inst 80393ba8579c341d5329175f1413cdc3b35a36592d2John McCall = ClassTemplateDecl::Create(SemaRef.Context, DC, D->getLocation(), 80493ba8579c341d5329175f1413cdc3b35a36592d2John McCall D->getIdentifier(), InstParams, RecordInst, 80593ba8579c341d5329175f1413cdc3b35a36592d2John McCall PrevClassTemplate); 806e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall RecordInst->setDescribedClassTemplate(Inst); 807ea7390c7b384ce607bfc8fc13c01f37cfc3776f0John McCall 80893ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (isFriend) { 809ea7390c7b384ce607bfc8fc13c01f37cfc3776f0John McCall if (PrevClassTemplate) 810ea7390c7b384ce607bfc8fc13c01f37cfc3776f0John McCall Inst->setAccess(PrevClassTemplate->getAccess()); 811ea7390c7b384ce607bfc8fc13c01f37cfc3776f0John McCall else 812ea7390c7b384ce607bfc8fc13c01f37cfc3776f0John McCall Inst->setAccess(D->getAccess()); 813ea7390c7b384ce607bfc8fc13c01f37cfc3776f0John McCall 81493ba8579c341d5329175f1413cdc3b35a36592d2John McCall Inst->setObjectOfFriendDecl(PrevClassTemplate != 0); 81593ba8579c341d5329175f1413cdc3b35a36592d2John McCall // TODO: do we want to track the instantiation progeny of this 81693ba8579c341d5329175f1413cdc3b35a36592d2John McCall // friend target decl? 81793ba8579c341d5329175f1413cdc3b35a36592d2John McCall } else { 818e8c01bdb56549adcecd71ce39160eea54b2c51c8Douglas Gregor Inst->setAccess(D->getAccess()); 81993ba8579c341d5329175f1413cdc3b35a36592d2John McCall Inst->setInstantiatedFromMemberTemplate(D); 82093ba8579c341d5329175f1413cdc3b35a36592d2John McCall } 821f0510d49a6985e9284d30cfc36a0df2a6292a638Douglas Gregor 822f0510d49a6985e9284d30cfc36a0df2a6292a638Douglas Gregor // Trigger creation of the type for the instantiation. 8233cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall SemaRef.Context.getInjectedClassNameType(RecordInst, 82424bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor Inst->getInjectedClassNameSpecialization()); 825ea7390c7b384ce607bfc8fc13c01f37cfc3776f0John McCall 826259571e27e513cfaf691cc7447e09b31a47d5438Douglas Gregor // Finish handling of friends. 82793ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (isFriend) { 82893ba8579c341d5329175f1413cdc3b35a36592d2John McCall DC->makeDeclVisibleInContext(Inst, /*Recoverable*/ false); 829e8c01bdb56549adcecd71ce39160eea54b2c51c8Douglas Gregor return Inst; 830259571e27e513cfaf691cc7447e09b31a47d5438Douglas Gregor } 831e8c01bdb56549adcecd71ce39160eea54b2c51c8Douglas Gregor 832e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall Owner->addDecl(Inst); 833ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 834ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Instantiate all of the partial specializations of this member class 835ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // template. 836dc60c1eb4acbde6edcec9760de92f9098593d915Douglas Gregor llvm::SmallVector<ClassTemplatePartialSpecializationDecl *, 4> PartialSpecs; 837dc60c1eb4acbde6edcec9760de92f9098593d915Douglas Gregor D->getPartialSpecializations(PartialSpecs); 838ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor for (unsigned I = 0, N = PartialSpecs.size(); I != N; ++I) 839ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor InstantiateClassTemplatePartialSpecialization(Inst, PartialSpecs[I]); 840ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 841e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall return Inst; 842e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall} 843e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 844d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas GregorDecl * 8457974c3b7062f85bb7c0ada34526cdefe1d30f89bDouglas GregorTemplateDeclInstantiator::VisitClassTemplatePartialSpecializationDecl( 8467974c3b7062f85bb7c0ada34526cdefe1d30f89bDouglas Gregor ClassTemplatePartialSpecializationDecl *D) { 847ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplateDecl *ClassTemplate = D->getSpecializedTemplate(); 848ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 849ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Lookup the already-instantiated declaration in the instantiation 850ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // of the class template and return that. 851ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor DeclContext::lookup_result Found 852ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor = Owner->lookup(ClassTemplate->getDeclName()); 853ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor if (Found.first == Found.second) 854ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return 0; 855ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 856ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplateDecl *InstClassTemplate 857ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor = dyn_cast<ClassTemplateDecl>(*Found.first); 858ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor if (!InstClassTemplate) 859ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return 0; 860ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 861cc0b1bc979b650a8a8b34b2032a074fd7724a90dArgyrios Kyrtzidis return InstClassTemplate->findPartialSpecInstantiatedFromMember(D); 8627974c3b7062f85bb7c0ada34526cdefe1d30f89bDouglas Gregor} 8637974c3b7062f85bb7c0ada34526cdefe1d30f89bDouglas Gregor 8647974c3b7062f85bb7c0ada34526cdefe1d30f89bDouglas GregorDecl * 865d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas GregorTemplateDeclInstantiator::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) { 866550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // Create a local instantiation scope for this function template, which 867550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // will contain the instantiations of the template parameters and then get 868550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // merged with the local instantiation scope for the function template 869550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // itself. 870550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor Sema::LocalInstantiationScope Scope(SemaRef); 871895162da2d52f4243f61081d7436de66af4503fcDouglas Gregor 872d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor TemplateParameterList *TempParams = D->getTemplateParameters(); 873d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor TemplateParameterList *InstParams = SubstTemplateParams(TempParams); 8741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!InstParams) 875d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor return NULL; 876ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 877a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor FunctionDecl *Instantiated = 0; 878a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor if (CXXMethodDecl *DMethod = dyn_cast<CXXMethodDecl>(D->getTemplatedDecl())) 879a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor Instantiated = cast_or_null<FunctionDecl>(VisitCXXMethodDecl(DMethod, 880a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor InstParams)); 881a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor else 882a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor Instantiated = cast_or_null<FunctionDecl>(VisitFunctionDecl( 883a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor D->getTemplatedDecl(), 884a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor InstParams)); 885a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor 886a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor if (!Instantiated) 887d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor return 0; 888d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor 88946460a68f6508775e98c19b4bb8454bb471aac24John McCall Instantiated->setAccess(D->getAccess()); 89046460a68f6508775e98c19b4bb8454bb471aac24John McCall 8911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Link the instantiated function template declaration to the function 892d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // template from which it was instantiated. 89337d68185088947322a97eabdc1c0714b0debd929Douglas Gregor FunctionTemplateDecl *InstTemplate 894a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor = Instantiated->getDescribedFunctionTemplate(); 89537d68185088947322a97eabdc1c0714b0debd929Douglas Gregor InstTemplate->setAccess(D->getAccess()); 896a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor assert(InstTemplate && 897a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor "VisitFunctionDecl/CXXMethodDecl didn't create a template!"); 898e976ffe18ee60b81641423f42ff6feec2f5e3cb7John McCall 899b1a56e767cfb645fcb25027ab728dd5824d92615John McCall bool isFriend = (InstTemplate->getFriendObjectKind() != Decl::FOK_None); 900b1a56e767cfb645fcb25027ab728dd5824d92615John McCall 901e976ffe18ee60b81641423f42ff6feec2f5e3cb7John McCall // Link the instantiation back to the pattern *unless* this is a 902e976ffe18ee60b81641423f42ff6feec2f5e3cb7John McCall // non-definition friend declaration. 903e976ffe18ee60b81641423f42ff6feec2f5e3cb7John McCall if (!InstTemplate->getInstantiatedFromMemberTemplate() && 904b1a56e767cfb645fcb25027ab728dd5824d92615John McCall !(isFriend && !D->getTemplatedDecl()->isThisDeclarationADefinition())) 905a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor InstTemplate->setInstantiatedFromMemberTemplate(D); 906a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor 907b1a56e767cfb645fcb25027ab728dd5824d92615John McCall // Make declarations visible in the appropriate context. 908b1a56e767cfb645fcb25027ab728dd5824d92615John McCall if (!isFriend) 909a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor Owner->addDecl(InstTemplate); 910b1a56e767cfb645fcb25027ab728dd5824d92615John McCall 911d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor return InstTemplate; 912d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor} 913d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor 914d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas GregorDecl *TemplateDeclInstantiator::VisitCXXRecordDecl(CXXRecordDecl *D) { 915d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor CXXRecordDecl *PrevDecl = 0; 916d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor if (D->isInjectedClassName()) 917d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor PrevDecl = cast<CXXRecordDecl>(Owner); 9186c1c1b8c6ca743a5b6b4c81f9ac56392c12c7457John McCall else if (D->getPreviousDeclaration()) { 9197c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor NamedDecl *Prev = SemaRef.FindInstantiatedDecl(D->getLocation(), 9207c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor D->getPreviousDeclaration(), 9216c1c1b8c6ca743a5b6b4c81f9ac56392c12c7457John McCall TemplateArgs); 9226c1c1b8c6ca743a5b6b4c81f9ac56392c12c7457John McCall if (!Prev) return 0; 9236c1c1b8c6ca743a5b6b4c81f9ac56392c12c7457John McCall PrevDecl = cast<CXXRecordDecl>(Prev); 9246c1c1b8c6ca743a5b6b4c81f9ac56392c12c7457John McCall } 925d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor 926d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor CXXRecordDecl *Record 9271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump = CXXRecordDecl::Create(SemaRef.Context, D->getTagKind(), Owner, 928741dd9a7e1d63e4e385b657e4ce11c5d96d44f72Douglas Gregor D->getLocation(), D->getIdentifier(), 929741dd9a7e1d63e4e385b657e4ce11c5d96d44f72Douglas Gregor D->getTagKeywordLoc(), PrevDecl); 930b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 931b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Substitute the nested name specifier, if any. 932b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (SubstQualifier(D, Record)) 933b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall return 0; 934b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 935d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor Record->setImplicit(D->isImplicit()); 936eaba1af8529c381d7bfd4dd0a8b48d2c01647972Eli Friedman // FIXME: Check against AS_none is an ugly hack to work around the issue that 937eaba1af8529c381d7bfd4dd0a8b48d2c01647972Eli Friedman // the tag decls introduced by friend class declarations don't have an access 938eaba1af8529c381d7bfd4dd0a8b48d2c01647972Eli Friedman // specifier. Remove once this area of the code gets sorted out. 939eaba1af8529c381d7bfd4dd0a8b48d2c01647972Eli Friedman if (D->getAccess() != AS_none) 940eaba1af8529c381d7bfd4dd0a8b48d2c01647972Eli Friedman Record->setAccess(D->getAccess()); 941d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor if (!D->isInjectedClassName()) 942f6b1185f0a8a209c06dfc1efdb6a59cc851e970cDouglas Gregor Record->setInstantiationOfMemberClass(D, TSK_ImplicitInstantiation); 943d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor 94402cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall // If the original function was part of a friend declaration, 94502cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall // inherit its namespace state. 94602cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall if (Decl::FriendObjectKind FOK = D->getFriendObjectKind()) 94702cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall Record->setObjectOfFriendDecl(FOK == Decl::FOK_Declared); 94802cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall 9499901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor // Make sure that anonymous structs and unions are recorded. 9509901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor if (D->isAnonymousStructOrUnion()) { 9519901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor Record->setAnonymousStructOrUnion(true); 9529901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor if (Record->getDeclContext()->getLookupContext()->isFunctionOrMethod()) 9539901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal(D, Record); 9549901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor } 955d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 95617945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis Owner->addDecl(Record); 957d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor return Record; 958d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor} 959d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor 96002cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// Normal class members are of more specific types and therefore 96102cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// don't make it here. This function serves two purposes: 96202cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// 1) instantiating function templates 96302cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// 2) substituting friend declarations 96402cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// FIXME: preserve function definitions in case #2 9657557a1348d2821dce126a778aa7acd7a00b814fdDouglas GregorDecl *TemplateDeclInstantiator::VisitFunctionDecl(FunctionDecl *D, 966a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor TemplateParameterList *TemplateParams) { 967127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor // Check whether there is already a function template specialization for 968127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor // this declaration. 969127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor FunctionTemplateDecl *FunctionTemplate = D->getDescribedFunctionTemplate(); 970127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor void *InsertPos = 0; 971b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (FunctionTemplate && !TemplateParams) { 97224bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor std::pair<const TemplateArgument *, unsigned> Innermost 97324bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor = TemplateArgs.getInnermost(); 9741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9752c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis FunctionDecl *SpecFunc 9762c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis = FunctionTemplate->findSpecialization(Innermost.first, Innermost.second, 9772c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis InsertPos); 9781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 979127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor // If we already have a function template specialization, return it. 9802c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis if (SpecFunc) 9812c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis return SpecFunc; 982127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor } 9831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 984b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall bool isFriend; 985b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (FunctionTemplate) 986b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall isFriend = (FunctionTemplate->getFriendObjectKind() != Decl::FOK_None); 987b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall else 988b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall isFriend = (D->getFriendObjectKind() != Decl::FOK_None); 989b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall 99079c2278a66d8fc0943774d1b7c71a32f7764e1e2Douglas Gregor bool MergeWithParentScope = (TemplateParams != 0) || 991b212d9a8e10308cde5b7a1ce07bd59d8df14fa06Douglas Gregor Owner->isFunctionOrMethod() || 99279c2278a66d8fc0943774d1b7c71a32f7764e1e2Douglas Gregor !(isa<Decl>(Owner) && 99379c2278a66d8fc0943774d1b7c71a32f7764e1e2Douglas Gregor cast<Decl>(Owner)->isDefinedOutsideFunctionOrMethod()); 99479c2278a66d8fc0943774d1b7c71a32f7764e1e2Douglas Gregor Sema::LocalInstantiationScope Scope(SemaRef, MergeWithParentScope); 9951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 996e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor llvm::SmallVector<ParmVarDecl *, 4> Params; 99721ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall TypeSourceInfo *TInfo = D->getTypeSourceInfo(); 99821ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall TInfo = SubstFunctionType(D, Params); 99921ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall if (!TInfo) 10002dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor return 0; 100121ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall QualType T = TInfo->getType(); 1002fd810b1386ed29b250e7d522ea826a65c815e49dJohn McCall 1003d325daa506338ab86f9dd468b48fd010673f49a6John McCall NestedNameSpecifier *Qualifier = D->getQualifier(); 1004d325daa506338ab86f9dd468b48fd010673f49a6John McCall if (Qualifier) { 1005d325daa506338ab86f9dd468b48fd010673f49a6John McCall Qualifier = SemaRef.SubstNestedNameSpecifier(Qualifier, 1006d325daa506338ab86f9dd468b48fd010673f49a6John McCall D->getQualifierRange(), 1007d325daa506338ab86f9dd468b48fd010673f49a6John McCall TemplateArgs); 1008d325daa506338ab86f9dd468b48fd010673f49a6John McCall if (!Qualifier) return 0; 1009d325daa506338ab86f9dd468b48fd010673f49a6John McCall } 1010d325daa506338ab86f9dd468b48fd010673f49a6John McCall 101168b6b87b6beb7922fc2c8ab923ba2ce125490363John McCall // If we're instantiating a local function declaration, put the result 101268b6b87b6beb7922fc2c8ab923ba2ce125490363John McCall // in the owner; otherwise we need to find the instantiated context. 101368b6b87b6beb7922fc2c8ab923ba2ce125490363John McCall DeclContext *DC; 101468b6b87b6beb7922fc2c8ab923ba2ce125490363John McCall if (D->getDeclContext()->isFunctionOrMethod()) 101568b6b87b6beb7922fc2c8ab923ba2ce125490363John McCall DC = Owner; 1016d325daa506338ab86f9dd468b48fd010673f49a6John McCall else if (isFriend && Qualifier) { 1017d325daa506338ab86f9dd468b48fd010673f49a6John McCall CXXScopeSpec SS; 1018d325daa506338ab86f9dd468b48fd010673f49a6John McCall SS.setScopeRep(Qualifier); 1019d325daa506338ab86f9dd468b48fd010673f49a6John McCall SS.setRange(D->getQualifierRange()); 1020d325daa506338ab86f9dd468b48fd010673f49a6John McCall DC = SemaRef.computeDeclContext(SS); 1021d325daa506338ab86f9dd468b48fd010673f49a6John McCall if (!DC) return 0; 1022d325daa506338ab86f9dd468b48fd010673f49a6John McCall } else { 10237c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor DC = SemaRef.FindInstantiatedContext(D->getLocation(), D->getDeclContext(), 10247c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor TemplateArgs); 1025d325daa506338ab86f9dd468b48fd010673f49a6John McCall } 102668b6b87b6beb7922fc2c8ab923ba2ce125490363John McCall 102702cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall FunctionDecl *Function = 10281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FunctionDecl::Create(SemaRef.Context, DC, D->getLocation(), 102921ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall D->getDeclName(), T, TInfo, 103016573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor D->getStorageClass(), D->getStorageClassAsWritten(), 10310130f3cc4ccd5f46361c48d5fe94133d74619424Douglas Gregor D->isInlineSpecified(), D->hasWrittenPrototype()); 1032b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 1033d325daa506338ab86f9dd468b48fd010673f49a6John McCall if (Qualifier) 1034d325daa506338ab86f9dd468b48fd010673f49a6John McCall Function->setQualifierInfo(Qualifier, D->getQualifierRange()); 1035b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 1036b1a56e767cfb645fcb25027ab728dd5824d92615John McCall DeclContext *LexicalDC = Owner; 1037b1a56e767cfb645fcb25027ab728dd5824d92615John McCall if (!isFriend && D->isOutOfLine()) { 1038b1a56e767cfb645fcb25027ab728dd5824d92615John McCall assert(D->getDeclContext()->isFileContext()); 1039b1a56e767cfb645fcb25027ab728dd5824d92615John McCall LexicalDC = D->getDeclContext(); 1040b1a56e767cfb645fcb25027ab728dd5824d92615John McCall } 1041b1a56e767cfb645fcb25027ab728dd5824d92615John McCall 1042b1a56e767cfb645fcb25027ab728dd5824d92615John McCall Function->setLexicalDeclContext(LexicalDC); 10431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1044e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor // Attach the parameters 1045e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor for (unsigned P = 0; P < Params.size(); ++P) 1046e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor Params[P]->setOwningFunction(Function); 1047838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor Function->setParams(Params.data(), Params.size()); 104802cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall 1049ac7c2c8a9d47df7d652364af3043c41816a18fa4Douglas Gregor SourceLocation InstantiateAtPOI; 1050a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor if (TemplateParams) { 1051a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // Our resulting instantiation is actually a function template, since we 1052a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // are substituting only the outer template parameters. For example, given 1053a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // 1054a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // template<typename T> 1055a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // struct X { 1056a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // template<typename U> friend void f(T, U); 1057a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // }; 1058a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // 1059a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // X<int> x; 1060a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // 1061a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // We are instantiating the friend function template "f" within X<int>, 1062a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // which means substituting int for T, but leaving "f" as a friend function 1063a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // template. 1064a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // Build the function template itself. 1065d325daa506338ab86f9dd468b48fd010673f49a6John McCall FunctionTemplate = FunctionTemplateDecl::Create(SemaRef.Context, DC, 1066a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor Function->getLocation(), 1067a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor Function->getDeclName(), 1068a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor TemplateParams, Function); 1069a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor Function->setDescribedFunctionTemplate(FunctionTemplate); 1070b1a56e767cfb645fcb25027ab728dd5824d92615John McCall 1071b1a56e767cfb645fcb25027ab728dd5824d92615John McCall FunctionTemplate->setLexicalDeclContext(LexicalDC); 1072d325daa506338ab86f9dd468b48fd010673f49a6John McCall 1073d325daa506338ab86f9dd468b48fd010673f49a6John McCall if (isFriend && D->isThisDeclarationADefinition()) { 1074d325daa506338ab86f9dd468b48fd010673f49a6John McCall // TODO: should we remember this connection regardless of whether 1075d325daa506338ab86f9dd468b48fd010673f49a6John McCall // the friend declaration provided a body? 1076d325daa506338ab86f9dd468b48fd010673f49a6John McCall FunctionTemplate->setInstantiatedFromMemberTemplate( 1077d325daa506338ab86f9dd468b48fd010673f49a6John McCall D->getDescribedFunctionTemplate()); 1078d325daa506338ab86f9dd468b48fd010673f49a6John McCall } 107966724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor } else if (FunctionTemplate) { 108066724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor // Record this function template specialization. 108124bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor std::pair<const TemplateArgument *, unsigned> Innermost 108224bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor = TemplateArgs.getInnermost(); 1083838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor Function->setFunctionTemplateSpecialization(FunctionTemplate, 108424bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor new (SemaRef.Context) TemplateArgumentList(SemaRef.Context, 108524bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor Innermost.first, 108624bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor Innermost.second), 108766724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor InsertPos); 1088d325daa506338ab86f9dd468b48fd010673f49a6John McCall } else if (isFriend && D->isThisDeclarationADefinition()) { 1089d325daa506338ab86f9dd468b48fd010673f49a6John McCall // TODO: should we remember this connection regardless of whether 1090d325daa506338ab86f9dd468b48fd010673f49a6John McCall // the friend declaration provided a body? 1091d325daa506338ab86f9dd468b48fd010673f49a6John McCall Function->setInstantiationOfMemberFunction(D, TSK_ImplicitInstantiation); 109202cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall } 1093a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor 1094e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor if (InitFunctionInstantiation(Function, D)) 1095e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor Function->setInvalidDecl(); 10961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1097e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor bool Redeclaration = false; 1098e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor bool OverloadableAttrRequired = false; 1099af2094e7cecadf36667deb61a83587ffdd979bd3John McCall bool isExplicitSpecialization = false; 1100a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor 11016826314938f8510cd1a6b03b5d032592456ae27bJohn McCall LookupResult Previous(SemaRef, Function->getDeclName(), SourceLocation(), 11026826314938f8510cd1a6b03b5d032592456ae27bJohn McCall Sema::LookupOrdinaryName, Sema::ForRedeclaration); 11036826314938f8510cd1a6b03b5d032592456ae27bJohn McCall 1104af2094e7cecadf36667deb61a83587ffdd979bd3John McCall if (DependentFunctionTemplateSpecializationInfo *Info 1105af2094e7cecadf36667deb61a83587ffdd979bd3John McCall = D->getDependentSpecializationInfo()) { 1106af2094e7cecadf36667deb61a83587ffdd979bd3John McCall assert(isFriend && "non-friend has dependent specialization info?"); 1107af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1108af2094e7cecadf36667deb61a83587ffdd979bd3John McCall // This needs to be set now for future sanity. 1109af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Function->setObjectOfFriendDecl(/*HasPrevious*/ true); 1110af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1111af2094e7cecadf36667deb61a83587ffdd979bd3John McCall // Instantiate the explicit template arguments. 1112af2094e7cecadf36667deb61a83587ffdd979bd3John McCall TemplateArgumentListInfo ExplicitArgs(Info->getLAngleLoc(), 1113af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Info->getRAngleLoc()); 1114af2094e7cecadf36667deb61a83587ffdd979bd3John McCall for (unsigned I = 0, E = Info->getNumTemplateArgs(); I != E; ++I) { 1115af2094e7cecadf36667deb61a83587ffdd979bd3John McCall TemplateArgumentLoc Loc; 1116af2094e7cecadf36667deb61a83587ffdd979bd3John McCall if (SemaRef.Subst(Info->getTemplateArg(I), Loc, TemplateArgs)) 1117af2094e7cecadf36667deb61a83587ffdd979bd3John McCall return 0; 1118af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1119af2094e7cecadf36667deb61a83587ffdd979bd3John McCall ExplicitArgs.addArgument(Loc); 1120af2094e7cecadf36667deb61a83587ffdd979bd3John McCall } 1121af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1122af2094e7cecadf36667deb61a83587ffdd979bd3John McCall // Map the candidate templates to their instantiations. 1123af2094e7cecadf36667deb61a83587ffdd979bd3John McCall for (unsigned I = 0, E = Info->getNumTemplates(); I != E; ++I) { 1124af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Decl *Temp = SemaRef.FindInstantiatedDecl(D->getLocation(), 1125af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Info->getTemplate(I), 1126af2094e7cecadf36667deb61a83587ffdd979bd3John McCall TemplateArgs); 1127af2094e7cecadf36667deb61a83587ffdd979bd3John McCall if (!Temp) return 0; 1128af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1129af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Previous.addDecl(cast<FunctionTemplateDecl>(Temp)); 1130af2094e7cecadf36667deb61a83587ffdd979bd3John McCall } 1131af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1132af2094e7cecadf36667deb61a83587ffdd979bd3John McCall if (SemaRef.CheckFunctionTemplateSpecialization(Function, 1133af2094e7cecadf36667deb61a83587ffdd979bd3John McCall &ExplicitArgs, 1134af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Previous)) 1135af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Function->setInvalidDecl(); 1136af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1137af2094e7cecadf36667deb61a83587ffdd979bd3John McCall isExplicitSpecialization = true; 1138af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1139af2094e7cecadf36667deb61a83587ffdd979bd3John McCall } else if (TemplateParams || !FunctionTemplate) { 1140a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // Look only into the namespace where the friend would be declared to 1141a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // find a previous declaration. This is the innermost enclosing namespace, 1142a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // as described in ActOnFriendFunctionDecl. 11436826314938f8510cd1a6b03b5d032592456ae27bJohn McCall SemaRef.LookupQualifiedName(Previous, DC); 1144a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor 1145a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // In C++, the previous declaration we find might be a tag type 1146a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // (class or enum). In this case, the new declaration will hide the 1147a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // tag type. Note that this does does not apply if we're declaring a 1148a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // typedef (C++ [dcl.typedef]p4). 11496826314938f8510cd1a6b03b5d032592456ae27bJohn McCall if (Previous.isSingleTagDecl()) 11506826314938f8510cd1a6b03b5d032592456ae27bJohn McCall Previous.clear(); 1151a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor } 1152a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor 11539f54ad4381370c6b771424b53d219e661d6d6706John McCall SemaRef.CheckFunctionDeclaration(/*Scope*/ 0, Function, Previous, 1154af2094e7cecadf36667deb61a83587ffdd979bd3John McCall isExplicitSpecialization, Redeclaration, 1155e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor /*FIXME:*/OverloadableAttrRequired); 1156e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor 115776d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall NamedDecl *PrincipalDecl = (TemplateParams 115876d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall ? cast<NamedDecl>(FunctionTemplate) 115976d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall : Function); 116076d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall 1161a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // If the original function was part of a friend declaration, 1162a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // inherit its namespace state and add it to the owner. 1163d325daa506338ab86f9dd468b48fd010673f49a6John McCall if (isFriend) { 11646826314938f8510cd1a6b03b5d032592456ae27bJohn McCall NamedDecl *PrevDecl; 116576d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall if (TemplateParams) 1166a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor PrevDecl = FunctionTemplate->getPreviousDeclaration(); 116776d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall else 1168a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor PrevDecl = Function->getPreviousDeclaration(); 116976d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall 117076d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall PrincipalDecl->setObjectOfFriendDecl(PrevDecl != 0); 117176d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall DC->makeDeclVisibleInContext(PrincipalDecl, /*Recoverable=*/ false); 1172238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor 1173238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor if (!SemaRef.getLangOptions().CPlusPlus0x && 1174238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor D->isThisDeclarationADefinition()) { 1175238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor // Check for a function body. 1176238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor const FunctionDecl *Definition = 0; 117706a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis if (Function->hasBody(Definition) && 1178238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor Definition->getTemplateSpecializationKind() == TSK_Undeclared) { 1179238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor SemaRef.Diag(Function->getLocation(), diag::err_redefinition) 1180238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor << Function->getDeclName(); 1181238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor SemaRef.Diag(Definition->getLocation(), diag::note_previous_definition); 1182238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor Function->setInvalidDecl(); 1183238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor } 1184238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor // Check for redefinitions due to other instantiations of this or 1185238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor // a similar friend function. 1186238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor else for (FunctionDecl::redecl_iterator R = Function->redecls_begin(), 1187238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor REnd = Function->redecls_end(); 1188238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor R != REnd; ++R) { 1189238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor if (*R != Function && 1190238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor ((*R)->getFriendObjectKind() != Decl::FOK_None)) { 1191238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor if (const FunctionDecl *RPattern 1192238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor = (*R)->getTemplateInstantiationPattern()) 119306a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis if (RPattern->hasBody(RPattern)) { 1194238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor SemaRef.Diag(Function->getLocation(), diag::err_redefinition) 1195238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor << Function->getDeclName(); 1196238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor SemaRef.Diag((*R)->getLocation(), diag::note_previous_definition); 1197238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor Function->setInvalidDecl(); 1198238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor break; 1199238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor } 1200238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor } 1201238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor } 1202238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor } 1203238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor 1204a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor } 1205a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor 120676d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall if (Function->isOverloadedOperator() && !DC->isRecord() && 120776d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall PrincipalDecl->isInIdentifierNamespace(Decl::IDNS_Ordinary)) 120876d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall PrincipalDecl->setNonMemberOperator(); 120976d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall 1210e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor return Function; 1211e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor} 12122dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor 1213d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas GregorDecl * 1214d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas GregorTemplateDeclInstantiator::VisitCXXMethodDecl(CXXMethodDecl *D, 1215d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor TemplateParameterList *TemplateParams) { 12166b906869527be40b0d38d755e9ef51b331b88162Douglas Gregor FunctionTemplateDecl *FunctionTemplate = D->getDescribedFunctionTemplate(); 12176b906869527be40b0d38d755e9ef51b331b88162Douglas Gregor void *InsertPos = 0; 1218d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor if (FunctionTemplate && !TemplateParams) { 12191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We are creating a function template specialization from a function 12201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // template. Check whether there is already a function template 1221d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // specialization for this particular set of template arguments. 122224bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor std::pair<const TemplateArgument *, unsigned> Innermost 122324bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor = TemplateArgs.getInnermost(); 12241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12252c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis FunctionDecl *SpecFunc 12262c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis = FunctionTemplate->findSpecialization(Innermost.first, Innermost.second, 12272c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis InsertPos); 12281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12296b906869527be40b0d38d755e9ef51b331b88162Douglas Gregor // If we already have a function template specialization, return it. 12302c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis if (SpecFunc) 12312c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis return SpecFunc; 12326b906869527be40b0d38d755e9ef51b331b88162Douglas Gregor } 12336b906869527be40b0d38d755e9ef51b331b88162Douglas Gregor 1234b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall bool isFriend; 1235b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (FunctionTemplate) 1236b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall isFriend = (FunctionTemplate->getFriendObjectKind() != Decl::FOK_None); 1237b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall else 1238b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall isFriend = (D->getFriendObjectKind() != Decl::FOK_None); 1239b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall 124079c2278a66d8fc0943774d1b7c71a32f7764e1e2Douglas Gregor bool MergeWithParentScope = (TemplateParams != 0) || 124179c2278a66d8fc0943774d1b7c71a32f7764e1e2Douglas Gregor !(isa<Decl>(Owner) && 124279c2278a66d8fc0943774d1b7c71a32f7764e1e2Douglas Gregor cast<Decl>(Owner)->isDefinedOutsideFunctionOrMethod()); 124379c2278a66d8fc0943774d1b7c71a32f7764e1e2Douglas Gregor Sema::LocalInstantiationScope Scope(SemaRef, MergeWithParentScope); 124448dd19b19ddb9e105f8cf0bf6f0732ca4e6a385bDouglas Gregor 12450ca20ac8cea99c43d89510f29cf3dc876f9c9111Douglas Gregor llvm::SmallVector<ParmVarDecl *, 4> Params; 124621ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall TypeSourceInfo *TInfo = D->getTypeSourceInfo(); 124721ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall TInfo = SubstFunctionType(D, Params); 124821ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall if (!TInfo) 12492dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor return 0; 125021ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall QualType T = TInfo->getType(); 12512dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor 12525f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor // \brief If the type of this function is not *directly* a function 12535f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor // type, then we're instantiating the a function that was declared 12545f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor // via a typedef, e.g., 12555f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor // 12565f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor // typedef int functype(int, int); 12575f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor // functype func; 12585f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor // 12595f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor // In this case, we'll just go instantiate the ParmVarDecls that we 12605f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor // synthesized in the method declaration. 12615f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor if (!isa<FunctionProtoType>(T)) { 12625f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor assert(!Params.size() && "Instantiating type could not yield parameters"); 12635f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor for (unsigned I = 0, N = D->getNumParams(); I != N; ++I) { 12645f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor ParmVarDecl *P = SemaRef.SubstParmVarDecl(D->getParamDecl(I), 12655f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor TemplateArgs); 12665f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor if (!P) 12675f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor return 0; 12685f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor 12695f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor Params.push_back(P); 12705f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor } 12715f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor } 12725f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor 1273b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall NestedNameSpecifier *Qualifier = D->getQualifier(); 1274b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (Qualifier) { 1275b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall Qualifier = SemaRef.SubstNestedNameSpecifier(Qualifier, 1276b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall D->getQualifierRange(), 1277b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall TemplateArgs); 1278b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (!Qualifier) return 0; 1279b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } 1280b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall 1281b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall DeclContext *DC = Owner; 1282b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (isFriend) { 1283b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (Qualifier) { 1284b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall CXXScopeSpec SS; 1285b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall SS.setScopeRep(Qualifier); 1286b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall SS.setRange(D->getQualifierRange()); 1287b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall DC = SemaRef.computeDeclContext(SS); 1288b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } else { 1289b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall DC = SemaRef.FindInstantiatedContext(D->getLocation(), 1290b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall D->getDeclContext(), 1291b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall TemplateArgs); 1292b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } 1293b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (!DC) return 0; 1294b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } 1295b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall 12962dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor // Build the instantiated method declaration. 1297b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall CXXRecordDecl *Record = cast<CXXRecordDecl>(DC); 1298dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor CXXMethodDecl *Method = 0; 12991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13002577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo NameInfo 13012577743c5650c646fb705df01403707e94f2df04Abramo Bagnara = SemaRef.SubstDeclarationNameInfo(D->getNameInfo(), TemplateArgs); 130217e32f30e2d1eaf6639d3d4e2196a8d7c709fbacDouglas Gregor if (CXXConstructorDecl *Constructor = dyn_cast<CXXConstructorDecl>(D)) { 13031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Method = CXXConstructorDecl::Create(SemaRef.Context, Record, 13042577743c5650c646fb705df01403707e94f2df04Abramo Bagnara NameInfo, T, TInfo, 13051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Constructor->isExplicit(), 130616573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor Constructor->isInlineSpecified(), 130716573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor false); 130817e32f30e2d1eaf6639d3d4e2196a8d7c709fbacDouglas Gregor } else if (CXXDestructorDecl *Destructor = dyn_cast<CXXDestructorDecl>(D)) { 130917e32f30e2d1eaf6639d3d4e2196a8d7c709fbacDouglas Gregor Method = CXXDestructorDecl::Create(SemaRef.Context, Record, 13102577743c5650c646fb705df01403707e94f2df04Abramo Bagnara NameInfo, T, 13112577743c5650c646fb705df01403707e94f2df04Abramo Bagnara Destructor->isInlineSpecified(), 131216573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor false); 131365ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor } else if (CXXConversionDecl *Conversion = dyn_cast<CXXConversionDecl>(D)) { 131465ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor Method = CXXConversionDecl::Create(SemaRef.Context, Record, 13152577743c5650c646fb705df01403707e94f2df04Abramo Bagnara NameInfo, T, TInfo, 13160130f3cc4ccd5f46361c48d5fe94133d74619424Douglas Gregor Conversion->isInlineSpecified(), 131765ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor Conversion->isExplicit()); 1318dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor } else { 13192577743c5650c646fb705df01403707e94f2df04Abramo Bagnara Method = CXXMethodDecl::Create(SemaRef.Context, Record, 13202577743c5650c646fb705df01403707e94f2df04Abramo Bagnara NameInfo, T, TInfo, 132116573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor D->isStatic(), 132216573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor D->getStorageClassAsWritten(), 132316573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor D->isInlineSpecified()); 1324dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor } 13256b906869527be40b0d38d755e9ef51b331b88162Douglas Gregor 1326b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (Qualifier) 1327b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall Method->setQualifierInfo(Qualifier, D->getQualifierRange()); 1328b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 1329d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor if (TemplateParams) { 1330d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // Our resulting instantiation is actually a function template, since we 1331d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // are substituting only the outer template parameters. For example, given 13321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // 1333d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // template<typename T> 1334d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // struct X { 1335d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // template<typename U> void f(T, U); 1336d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // }; 1337d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // 1338d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // X<int> x; 1339d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // 1340d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // We are instantiating the member template "f" within X<int>, which means 1341d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // substituting int for T, but leaving "f" as a member function template. 1342d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // Build the function template itself. 1343d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor FunctionTemplate = FunctionTemplateDecl::Create(SemaRef.Context, Record, 1344d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor Method->getLocation(), 13451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Method->getDeclName(), 1346d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor TemplateParams, Method); 1347b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (isFriend) { 1348b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall FunctionTemplate->setLexicalDeclContext(Owner); 1349b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall FunctionTemplate->setObjectOfFriendDecl(true); 1350b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } else if (D->isOutOfLine()) 13511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FunctionTemplate->setLexicalDeclContext(D->getLexicalDeclContext()); 1352d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor Method->setDescribedFunctionTemplate(FunctionTemplate); 135366724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor } else if (FunctionTemplate) { 135466724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor // Record this function template specialization. 135524bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor std::pair<const TemplateArgument *, unsigned> Innermost 135624bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor = TemplateArgs.getInnermost(); 1357838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor Method->setFunctionTemplateSpecialization(FunctionTemplate, 135824bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor new (SemaRef.Context) TemplateArgumentList(SemaRef.Context, 135924bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor Innermost.first, 136024bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor Innermost.second), 136166724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor InsertPos); 1362b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } else if (!isFriend) { 136366724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor // Record that this is an instantiation of a member function. 13642db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor Method->setInstantiationOfMemberFunction(D, TSK_ImplicitInstantiation); 136566724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor } 136666724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor 13671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If we are instantiating a member function defined 13687caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // out-of-line, the instantiation will have the same lexical 13697caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // context (which will be a namespace scope) as the template. 1370b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (isFriend) { 1371b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall Method->setLexicalDeclContext(Owner); 1372b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall Method->setObjectOfFriendDecl(true); 1373b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } else if (D->isOutOfLine()) 13747caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor Method->setLexicalDeclContext(D->getLexicalDeclContext()); 13751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13765545e166a956a20d7a6b58408e251a1119025485Douglas Gregor // Attach the parameters 13775545e166a956a20d7a6b58408e251a1119025485Douglas Gregor for (unsigned P = 0; P < Params.size(); ++P) 13785545e166a956a20d7a6b58408e251a1119025485Douglas Gregor Params[P]->setOwningFunction(Method); 1379838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor Method->setParams(Params.data(), Params.size()); 13805545e166a956a20d7a6b58408e251a1119025485Douglas Gregor 13815545e166a956a20d7a6b58408e251a1119025485Douglas Gregor if (InitMethodInstantiation(Method, D)) 13825545e166a956a20d7a6b58408e251a1119025485Douglas Gregor Method->setInvalidDecl(); 13832dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor 13842577743c5650c646fb705df01403707e94f2df04Abramo Bagnara LookupResult Previous(SemaRef, NameInfo, Sema::LookupOrdinaryName, 13852577743c5650c646fb705df01403707e94f2df04Abramo Bagnara Sema::ForRedeclaration); 13861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1387b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (!FunctionTemplate || TemplateParams || isFriend) { 1388b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall SemaRef.LookupQualifiedName(Previous, Record); 13891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1390dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor // In C++, the previous declaration we find might be a tag type 1391dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor // (class or enum). In this case, the new declaration will hide the 1392dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor // tag type. Note that this does does not apply if we're declaring a 1393dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor // typedef (C++ [dcl.typedef]p4). 13946826314938f8510cd1a6b03b5d032592456ae27bJohn McCall if (Previous.isSingleTagDecl()) 13956826314938f8510cd1a6b03b5d032592456ae27bJohn McCall Previous.clear(); 1396dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor } 13972dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor 139865ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor bool Redeclaration = false; 139965ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor bool OverloadableAttrRequired = false; 14009f54ad4381370c6b771424b53d219e661d6d6706John McCall SemaRef.CheckFunctionDeclaration(0, Method, Previous, false, Redeclaration, 140165ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor /*FIXME:*/OverloadableAttrRequired); 140265ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor 14034ba3136b3eb9740a07bd61d0ab23ce9a8d894deeDouglas Gregor if (D->isPure()) 14044ba3136b3eb9740a07bd61d0ab23ce9a8d894deeDouglas Gregor SemaRef.CheckPureMethod(Method, SourceRange()); 14054ba3136b3eb9740a07bd61d0ab23ce9a8d894deeDouglas Gregor 140646460a68f6508775e98c19b4bb8454bb471aac24John McCall Method->setAccess(D->getAccess()); 140746460a68f6508775e98c19b4bb8454bb471aac24John McCall 1408b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (FunctionTemplate) { 1409b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall // If there's a function template, let our caller handle it. 1410b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } else if (Method->isInvalidDecl() && !Previous.empty()) { 1411b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall // Don't hide a (potentially) valid declaration with an invalid one. 1412b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } else { 1413b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall NamedDecl *DeclToAdd = (TemplateParams 1414b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall ? cast<NamedDecl>(FunctionTemplate) 1415b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall : Method); 1416b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (isFriend) 1417b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall Record->makeDeclVisibleInContext(DeclToAdd); 1418b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall else 1419b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall Owner->addDecl(DeclToAdd); 1420b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } 1421bbc6454bb98d6a6ecbaafa715222c5db834307f2Argyrios Kyrtzidis 14222dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor return Method; 14232dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor} 14242dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor 1425615c5d4674355ba830b9978f462ca7a8c5d15f85Douglas GregorDecl *TemplateDeclInstantiator::VisitCXXConstructorDecl(CXXConstructorDecl *D) { 1426dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor return VisitCXXMethodDecl(D); 1427615c5d4674355ba830b9978f462ca7a8c5d15f85Douglas Gregor} 1428615c5d4674355ba830b9978f462ca7a8c5d15f85Douglas Gregor 142903b2b07aaef3a585aec13048a33356c7f635de72Douglas GregorDecl *TemplateDeclInstantiator::VisitCXXDestructorDecl(CXXDestructorDecl *D) { 143017e32f30e2d1eaf6639d3d4e2196a8d7c709fbacDouglas Gregor return VisitCXXMethodDecl(D); 143103b2b07aaef3a585aec13048a33356c7f635de72Douglas Gregor} 143203b2b07aaef3a585aec13048a33356c7f635de72Douglas Gregor 1433bb969ed4193e2eadabfaa0dfd0b94312b6146349Douglas GregorDecl *TemplateDeclInstantiator::VisitCXXConversionDecl(CXXConversionDecl *D) { 143465ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor return VisitCXXMethodDecl(D); 1435bb969ed4193e2eadabfaa0dfd0b94312b6146349Douglas Gregor} 1436bb969ed4193e2eadabfaa0dfd0b94312b6146349Douglas Gregor 14376477b69cc93e0a0ff15036d60d604f3544da0f29Douglas GregorParmVarDecl *TemplateDeclInstantiator::VisitParmVarDecl(ParmVarDecl *D) { 1438cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor return SemaRef.SubstParmVarDecl(D, TemplateArgs); 14392dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor} 14402dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor 1441e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCallDecl *TemplateDeclInstantiator::VisitTemplateTypeParmDecl( 1442e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall TemplateTypeParmDecl *D) { 1443e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall // TODO: don't always clone when decls are refcounted. 1444efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor const Type* T = D->getTypeForDecl(); 1445efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor assert(T->isTemplateTypeParmType()); 1446efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor const TemplateTypeParmType *TTPT = T->getAs<TemplateTypeParmType>(); 14471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1448e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall TemplateTypeParmDecl *Inst = 1449e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall TemplateTypeParmDecl::Create(SemaRef.Context, Owner, D->getLocation(), 1450efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TTPT->getDepth() - 1, TTPT->getIndex(), 1451efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TTPT->getName(), 1452e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall D->wasDeclaredWithTypename(), 1453e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall D->isParameterPack()); 1454e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 14550f8716b7bb25d61a82f699b3975167451f7b5a68Douglas Gregor if (D->hasDefaultArgument()) 14560f8716b7bb25d61a82f699b3975167451f7b5a68Douglas Gregor Inst->setDefaultArgument(D->getDefaultArgumentInfo(), false); 1457e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 1458550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // Introduce this template parameter's instantiation into the instantiation 1459550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // scope. 1460550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal(D, Inst); 1461550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor 1462e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall return Inst; 1463e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall} 1464e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 146533642df30088f2ddb0b22c609523ab8df9dff595Douglas GregorDecl *TemplateDeclInstantiator::VisitNonTypeTemplateParmDecl( 146633642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor NonTypeTemplateParmDecl *D) { 146733642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor // Substitute into the type of the non-type template parameter. 146833642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor QualType T; 1469a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = D->getTypeSourceInfo(); 147033642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor if (DI) { 147133642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor DI = SemaRef.SubstType(DI, TemplateArgs, D->getLocation(), 147233642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor D->getDeclName()); 147333642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor if (DI) T = DI->getType(); 147433642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor } else { 147533642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor T = SemaRef.SubstType(D->getType(), TemplateArgs, D->getLocation(), 147633642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor D->getDeclName()); 147733642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor DI = 0; 147833642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor } 147933642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor if (T.isNull()) 148033642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor return 0; 148133642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor 148233642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor // Check that this type is acceptable for a non-type template parameter. 148333642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor bool Invalid = false; 148433642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor T = SemaRef.CheckNonTypeTemplateParameterType(T, D->getLocation()); 148533642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor if (T.isNull()) { 148633642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor T = SemaRef.Context.IntTy; 148733642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor Invalid = true; 148833642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor } 148933642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor 149033642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor NonTypeTemplateParmDecl *Param 149133642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor = NonTypeTemplateParmDecl::Create(SemaRef.Context, Owner, D->getLocation(), 149233642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor D->getDepth() - 1, D->getPosition(), 149333642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor D->getIdentifier(), T, DI); 149433642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor if (Invalid) 149533642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor Param->setInvalidDecl(); 149633642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor 1497d92f7a297c0ed3f7d0ebcbb557e1d4c1925b8c72Abramo Bagnara Param->setDefaultArgument(D->getDefaultArgument(), false); 1498550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor 1499550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // Introduce this template parameter's instantiation into the instantiation 1500550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // scope. 1501550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal(D, Param); 150233642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor return Param; 150333642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor} 150433642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor 15050dde18e5a713bc186062ca1ebc9967500b07faeeAnders CarlssonDecl * 15069106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas GregorTemplateDeclInstantiator::VisitTemplateTemplateParmDecl( 15079106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor TemplateTemplateParmDecl *D) { 15089106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor // Instantiate the template parameter list of the template template parameter. 15099106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor TemplateParameterList *TempParams = D->getTemplateParameters(); 15109106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor TemplateParameterList *InstParams; 15119106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor { 15129106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor // Perform the actual substitution of template parameters within a new, 15139106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor // local instantiation scope. 15149106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor Sema::LocalInstantiationScope Scope(SemaRef); 15159106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor InstParams = SubstTemplateParams(TempParams); 15169106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor if (!InstParams) 15179106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor return NULL; 15189106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor } 15199106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor 15209106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor // Build the template template parameter. 15219106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor TemplateTemplateParmDecl *Param 15229106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor = TemplateTemplateParmDecl::Create(SemaRef.Context, Owner, D->getLocation(), 15239106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor D->getDepth() - 1, D->getPosition(), 15249106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor D->getIdentifier(), InstParams); 1525d92f7a297c0ed3f7d0ebcbb557e1d4c1925b8c72Abramo Bagnara Param->setDefaultArgument(D->getDefaultArgument(), false); 15264469e8a97cdca3725b4f8f366916143113c029acDouglas Gregor 15279106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor // Introduce this template parameter's instantiation into the instantiation 15289106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor // scope. 15299106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal(D, Param); 15309106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor 15319106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor return Param; 15329106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor} 15339106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor 153448c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas GregorDecl *TemplateDeclInstantiator::VisitUsingDirectiveDecl(UsingDirectiveDecl *D) { 153548c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor // Using directives are never dependent, so they require no explicit 153648c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor 153748c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor UsingDirectiveDecl *Inst 153848c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor = UsingDirectiveDecl::Create(SemaRef.Context, Owner, D->getLocation(), 153948c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor D->getNamespaceKeyLocation(), 154048c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor D->getQualifierRange(), D->getQualifier(), 154148c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor D->getIdentLocation(), 154248c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor D->getNominatedNamespace(), 154348c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor D->getCommonAncestor()); 154448c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor Owner->addDecl(Inst); 154548c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor return Inst; 154648c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor} 154748c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor 1548ed97649e9574b9d854fa4d6109c9333ae0993554John McCallDecl *TemplateDeclInstantiator::VisitUsingDecl(UsingDecl *D) { 1549ed97649e9574b9d854fa4d6109c9333ae0993554John McCall // The nested name specifier is non-dependent, so no transformation 1550ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara // is required. The same holds for the name info. 1551ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara DeclarationNameInfo NameInfo = D->getNameInfo(); 1552ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 15539f54ad4381370c6b771424b53d219e661d6d6706John McCall // We only need to do redeclaration lookups if we're in a class 15549f54ad4381370c6b771424b53d219e661d6d6706John McCall // scope (in fact, it's not really even possible in non-class 15559f54ad4381370c6b771424b53d219e661d6d6706John McCall // scopes). 15569f54ad4381370c6b771424b53d219e661d6d6706John McCall bool CheckRedeclaration = Owner->isRecord(); 15579f54ad4381370c6b771424b53d219e661d6d6706John McCall 1558ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara LookupResult Prev(SemaRef, NameInfo, Sema::LookupUsingDeclName, 1559ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara Sema::ForRedeclaration); 15609f54ad4381370c6b771424b53d219e661d6d6706John McCall 1561ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingDecl *NewUD = UsingDecl::Create(SemaRef.Context, Owner, 1562ed97649e9574b9d854fa4d6109c9333ae0993554John McCall D->getNestedNameRange(), 1563ed97649e9574b9d854fa4d6109c9333ae0993554John McCall D->getUsingLocation(), 1564ed97649e9574b9d854fa4d6109c9333ae0993554John McCall D->getTargetNestedNameDecl(), 1565ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara NameInfo, 1566ed97649e9574b9d854fa4d6109c9333ae0993554John McCall D->isTypeName()); 1567ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 1568ed97649e9574b9d854fa4d6109c9333ae0993554John McCall CXXScopeSpec SS; 1569ed97649e9574b9d854fa4d6109c9333ae0993554John McCall SS.setScopeRep(D->getTargetNestedNameDecl()); 1570ed97649e9574b9d854fa4d6109c9333ae0993554John McCall SS.setRange(D->getNestedNameRange()); 15719f54ad4381370c6b771424b53d219e661d6d6706John McCall 15729f54ad4381370c6b771424b53d219e661d6d6706John McCall if (CheckRedeclaration) { 15739f54ad4381370c6b771424b53d219e661d6d6706John McCall Prev.setHideTags(false); 15749f54ad4381370c6b771424b53d219e661d6d6706John McCall SemaRef.LookupQualifiedName(Prev, Owner); 15759f54ad4381370c6b771424b53d219e661d6d6706John McCall 15769f54ad4381370c6b771424b53d219e661d6d6706John McCall // Check for invalid redeclarations. 15779f54ad4381370c6b771424b53d219e661d6d6706John McCall if (SemaRef.CheckUsingDeclRedeclaration(D->getUsingLocation(), 15789f54ad4381370c6b771424b53d219e661d6d6706John McCall D->isTypeName(), SS, 15799f54ad4381370c6b771424b53d219e661d6d6706John McCall D->getLocation(), Prev)) 15809f54ad4381370c6b771424b53d219e661d6d6706John McCall NewUD->setInvalidDecl(); 15819f54ad4381370c6b771424b53d219e661d6d6706John McCall 15829f54ad4381370c6b771424b53d219e661d6d6706John McCall } 15839f54ad4381370c6b771424b53d219e661d6d6706John McCall 15849f54ad4381370c6b771424b53d219e661d6d6706John McCall if (!NewUD->isInvalidDecl() && 15859f54ad4381370c6b771424b53d219e661d6d6706John McCall SemaRef.CheckUsingDeclQualifier(D->getUsingLocation(), SS, 1586ed97649e9574b9d854fa4d6109c9333ae0993554John McCall D->getLocation())) 1587ed97649e9574b9d854fa4d6109c9333ae0993554John McCall NewUD->setInvalidDecl(); 15889f54ad4381370c6b771424b53d219e661d6d6706John McCall 1589ed97649e9574b9d854fa4d6109c9333ae0993554John McCall SemaRef.Context.setInstantiatedFromUsingDecl(NewUD, D); 1590ed97649e9574b9d854fa4d6109c9333ae0993554John McCall NewUD->setAccess(D->getAccess()); 1591ed97649e9574b9d854fa4d6109c9333ae0993554John McCall Owner->addDecl(NewUD); 1592ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 15939f54ad4381370c6b771424b53d219e661d6d6706John McCall // Don't process the shadow decls for an invalid decl. 15949f54ad4381370c6b771424b53d219e661d6d6706John McCall if (NewUD->isInvalidDecl()) 15959f54ad4381370c6b771424b53d219e661d6d6706John McCall return NewUD; 15969f54ad4381370c6b771424b53d219e661d6d6706John McCall 1597323c310efa0abd7a786b0303501186b5f33eb8d7John McCall bool isFunctionScope = Owner->isFunctionOrMethod(); 1598323c310efa0abd7a786b0303501186b5f33eb8d7John McCall 15999f54ad4381370c6b771424b53d219e661d6d6706John McCall // Process the shadow decls. 16009f54ad4381370c6b771424b53d219e661d6d6706John McCall for (UsingDecl::shadow_iterator I = D->shadow_begin(), E = D->shadow_end(); 16019f54ad4381370c6b771424b53d219e661d6d6706John McCall I != E; ++I) { 16029f54ad4381370c6b771424b53d219e661d6d6706John McCall UsingShadowDecl *Shadow = *I; 16039f54ad4381370c6b771424b53d219e661d6d6706John McCall NamedDecl *InstTarget = 16047c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor cast<NamedDecl>(SemaRef.FindInstantiatedDecl(Shadow->getLocation(), 16057c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor Shadow->getTargetDecl(), 16069f54ad4381370c6b771424b53d219e661d6d6706John McCall TemplateArgs)); 16079f54ad4381370c6b771424b53d219e661d6d6706John McCall 16089f54ad4381370c6b771424b53d219e661d6d6706John McCall if (CheckRedeclaration && 16099f54ad4381370c6b771424b53d219e661d6d6706John McCall SemaRef.CheckUsingShadowDecl(NewUD, InstTarget, Prev)) 16109f54ad4381370c6b771424b53d219e661d6d6706John McCall continue; 16119f54ad4381370c6b771424b53d219e661d6d6706John McCall 16129f54ad4381370c6b771424b53d219e661d6d6706John McCall UsingShadowDecl *InstShadow 16139f54ad4381370c6b771424b53d219e661d6d6706John McCall = SemaRef.BuildUsingShadowDecl(/*Scope*/ 0, NewUD, InstTarget); 16149f54ad4381370c6b771424b53d219e661d6d6706John McCall SemaRef.Context.setInstantiatedFromUsingShadowDecl(InstShadow, Shadow); 1615323c310efa0abd7a786b0303501186b5f33eb8d7John McCall 1616323c310efa0abd7a786b0303501186b5f33eb8d7John McCall if (isFunctionScope) 1617323c310efa0abd7a786b0303501186b5f33eb8d7John McCall SemaRef.CurrentInstantiationScope->InstantiatedLocal(Shadow, InstShadow); 16189f54ad4381370c6b771424b53d219e661d6d6706John McCall } 1619ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 1620ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return NewUD; 1621ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 1622ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 1623ed97649e9574b9d854fa4d6109c9333ae0993554John McCallDecl *TemplateDeclInstantiator::VisitUsingShadowDecl(UsingShadowDecl *D) { 16249f54ad4381370c6b771424b53d219e661d6d6706John McCall // Ignore these; we handle them in bulk when processing the UsingDecl. 16259f54ad4381370c6b771424b53d219e661d6d6706John McCall return 0; 1626ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 1627ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 16287ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallDecl * TemplateDeclInstantiator 16297ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall ::VisitUnresolvedUsingTypenameDecl(UnresolvedUsingTypenameDecl *D) { 16307ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall NestedNameSpecifier *NNS = 16317ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall SemaRef.SubstNestedNameSpecifier(D->getTargetNestedNameSpecifier(), 16327ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall D->getTargetNestedNameRange(), 16337ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall TemplateArgs); 16347ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall if (!NNS) 16357ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall return 0; 16367ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall 16377ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall CXXScopeSpec SS; 16387ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall SS.setRange(D->getTargetNestedNameRange()); 16397ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall SS.setScopeRep(NNS); 16407ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall 1641ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara // Since NameInfo refers to a typename, it cannot be a C++ special name. 1642ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara // Hence, no tranformation is required for it. 1643ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara DeclarationNameInfo NameInfo(D->getDeclName(), D->getLocation()); 16447ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall NamedDecl *UD = 16457ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall SemaRef.BuildUsingDeclaration(/*Scope*/ 0, D->getAccess(), 1646ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara D->getUsingLoc(), SS, NameInfo, 0, 16477ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall /*instantiation*/ true, 16487ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall /*typename*/ true, D->getTypenameLoc()); 16494469e8a97cdca3725b4f8f366916143113c029acDouglas Gregor if (UD) 1650ed97649e9574b9d854fa4d6109c9333ae0993554John McCall SemaRef.Context.setInstantiatedFromUsingDecl(cast<UsingDecl>(UD), D); 1651ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 16527ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall return UD; 16537ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall} 16547ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall 16557ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallDecl * TemplateDeclInstantiator 16567ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall ::VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D) { 16571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NestedNameSpecifier *NNS = 16581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SemaRef.SubstNestedNameSpecifier(D->getTargetNestedNameSpecifier(), 16591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump D->getTargetNestedNameRange(), 16600dde18e5a713bc186062ca1ebc9967500b07faeeAnders Carlsson TemplateArgs); 16610dde18e5a713bc186062ca1ebc9967500b07faeeAnders Carlsson if (!NNS) 16620dde18e5a713bc186062ca1ebc9967500b07faeeAnders Carlsson return 0; 16631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16640dde18e5a713bc186062ca1ebc9967500b07faeeAnders Carlsson CXXScopeSpec SS; 16650dde18e5a713bc186062ca1ebc9967500b07faeeAnders Carlsson SS.setRange(D->getTargetNestedNameRange()); 16660dde18e5a713bc186062ca1ebc9967500b07faeeAnders Carlsson SS.setScopeRep(NNS); 16671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1668ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara DeclarationNameInfo NameInfo 1669ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara = SemaRef.SubstDeclarationNameInfo(D->getNameInfo(), TemplateArgs); 1670ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara 16711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NamedDecl *UD = 16729488ea120e093068021f944176c3d610dd540914John McCall SemaRef.BuildUsingDeclaration(/*Scope*/ 0, D->getAccess(), 1673ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara D->getUsingLoc(), SS, NameInfo, 0, 16747ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall /*instantiation*/ true, 16757ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall /*typename*/ false, SourceLocation()); 16764469e8a97cdca3725b4f8f366916143113c029acDouglas Gregor if (UD) 1677ed97649e9574b9d854fa4d6109c9333ae0993554John McCall SemaRef.Context.setInstantiatedFromUsingDecl(cast<UsingDecl>(UD), D); 1678ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 16790d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return UD; 16800dde18e5a713bc186062ca1ebc9967500b07faeeAnders Carlsson} 16810dde18e5a713bc186062ca1ebc9967500b07faeeAnders Carlsson 1682ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCallDecl *Sema::SubstDecl(Decl *D, DeclContext *Owner, 1683d6350aefb1396b299e199c7f1fe51bb40c12e75eDouglas Gregor const MultiLevelTemplateArgumentList &TemplateArgs) { 16847e06390f8a60440d6fc5f0e633acdc2edd8ee924Douglas Gregor TemplateDeclInstantiator Instantiator(*this, Owner, TemplateArgs); 16852fa98001f832836e3f652c211a9d2f80501d659aDouglas Gregor if (D->isInvalidDecl()) 16862fa98001f832836e3f652c211a9d2f80501d659aDouglas Gregor return 0; 16872fa98001f832836e3f652c211a9d2f80501d659aDouglas Gregor 16888dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor return Instantiator.Visit(D); 16898dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor} 16908dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 1691e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall/// \brief Instantiates a nested template parameter list in the current 1692e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall/// instantiation context. 1693e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall/// 1694e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall/// \param L The parameter list to instantiate 1695e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall/// 1696e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall/// \returns NULL if there was an error 1697e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCallTemplateParameterList * 1698ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCallTemplateDeclInstantiator::SubstTemplateParams(TemplateParameterList *L) { 1699e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall // Get errors for all the parameters before bailing out. 1700e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall bool Invalid = false; 1701e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 1702e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall unsigned N = L->size(); 1703bf4ea56cdc376cef5a12abf6bf18dc34805c2226Douglas Gregor typedef llvm::SmallVector<NamedDecl *, 8> ParamVector; 1704e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall ParamVector Params; 1705e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall Params.reserve(N); 1706e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall for (TemplateParameterList::iterator PI = L->begin(), PE = L->end(); 1707e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall PI != PE; ++PI) { 1708bf4ea56cdc376cef5a12abf6bf18dc34805c2226Douglas Gregor NamedDecl *D = cast_or_null<NamedDecl>(Visit(*PI)); 1709e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall Params.push_back(D); 17109148c3f5829f4d031249faeb1043e7be914539e8Douglas Gregor Invalid = Invalid || !D || D->isInvalidDecl(); 1711e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall } 1712e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 1713e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall // Clean up if we had an error. 1714ff331c15729f7d4439d253c97f4d60f2a7ffd0c6Douglas Gregor if (Invalid) 1715e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall return NULL; 1716e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 1717e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall TemplateParameterList *InstL 1718e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall = TemplateParameterList::Create(SemaRef.Context, L->getTemplateLoc(), 1719e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall L->getLAngleLoc(), &Params.front(), N, 1720e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall L->getRAngleLoc()); 1721e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall return InstL; 17221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump} 1723e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 1724ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// \brief Instantiate the declaration of a class template partial 1725ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// specialization. 1726ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// 1727ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// \param ClassTemplate the (instantiated) class template that is partially 1728ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor// specialized by the instantiation of \p PartialSpec. 1729ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// 1730ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// \param PartialSpec the (uninstantiated) class template partial 1731ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// specialization that we are instantiating. 1732ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// 1733ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// \returns true if there was an error, false otherwise. 1734ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregorbool 1735ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas GregorTemplateDeclInstantiator::InstantiateClassTemplatePartialSpecialization( 1736ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplateDecl *ClassTemplate, 1737ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplatePartialSpecializationDecl *PartialSpec) { 1738550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // Create a local instantiation scope for this class template partial 1739550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // specialization, which will contain the instantiations of the template 1740550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // parameters. 1741550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor Sema::LocalInstantiationScope Scope(SemaRef); 1742550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor 1743ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Substitute into the template parameters of the class template partial 1744ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // specialization. 1745ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor TemplateParameterList *TempParams = PartialSpec->getTemplateParameters(); 1746ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor TemplateParameterList *InstParams = SubstTemplateParams(TempParams); 1747ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor if (!InstParams) 1748ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return true; 1749ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1750ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Substitute into the template arguments of the class template partial 1751ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // specialization. 1752833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const TemplateArgumentLoc *PartialSpecTemplateArgs 1753833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall = PartialSpec->getTemplateArgsAsWritten(); 1754833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall unsigned N = PartialSpec->getNumTemplateArgsAsWritten(); 1755833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 1756d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall TemplateArgumentListInfo InstTemplateArgs; // no angle locations 1757833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall for (unsigned I = 0; I != N; ++I) { 1758d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall TemplateArgumentLoc Loc; 1759d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall if (SemaRef.Subst(PartialSpecTemplateArgs[I], Loc, TemplateArgs)) 1760ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return true; 1761d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall InstTemplateArgs.addArgument(Loc); 1762ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor } 1763ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1764ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1765ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Check that the template argument list is well-formed for this 1766ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // class template. 1767ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor TemplateArgumentListBuilder Converted(ClassTemplate->getTemplateParameters(), 1768ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor InstTemplateArgs.size()); 1769ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor if (SemaRef.CheckTemplateArgumentList(ClassTemplate, 1770ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor PartialSpec->getLocation(), 1771d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall InstTemplateArgs, 1772ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor false, 1773ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor Converted)) 1774ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return true; 1775ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1776ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Figure out where to insert this class template partial specialization 1777ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // in the member template's set of class template partial specializations. 1778ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor void *InsertPos = 0; 1779ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplateSpecializationDecl *PrevDecl 1780cc0b1bc979b650a8a8b34b2032a074fd7724a90dArgyrios Kyrtzidis = ClassTemplate->findPartialSpecialization(Converted.getFlatArguments(), 1781cc0b1bc979b650a8a8b34b2032a074fd7724a90dArgyrios Kyrtzidis Converted.flatSize(), InsertPos); 1782ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1783ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Build the canonical type that describes the converted template 1784ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // arguments of the class template partial specialization. 1785ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor QualType CanonType 1786ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor = SemaRef.Context.getTemplateSpecializationType(TemplateName(ClassTemplate), 1787ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor Converted.getFlatArguments(), 1788ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor Converted.flatSize()); 1789ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1790ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Build the fully-sugared type for this class template 1791ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // specialization as the user wrote in the specialization 1792ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // itself. This means that we'll pretty-print the type retrieved 1793ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // from the specialization's declaration the way that the user 1794ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // actually wrote the specialization, rather than formatting the 1795ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // name based on the "canonical" representation used to store the 1796ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // template arguments in the specialization. 17973cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TypeSourceInfo *WrittenTy 17983cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall = SemaRef.Context.getTemplateSpecializationTypeInfo( 17993cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TemplateName(ClassTemplate), 18003cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall PartialSpec->getLocation(), 1801d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall InstTemplateArgs, 1802ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor CanonType); 1803ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1804ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor if (PrevDecl) { 1805ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // We've already seen a partial specialization with the same template 1806ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // parameters and template arguments. This can happen, for example, when 1807ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // substituting the outer template arguments ends up causing two 1808ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // class template partial specializations of a member class template 1809ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // to have identical forms, e.g., 1810ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // 1811ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // template<typename T, typename U> 1812ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // struct Outer { 1813ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // template<typename X, typename Y> struct Inner; 1814ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // template<typename Y> struct Inner<T, Y>; 1815ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // template<typename Y> struct Inner<U, Y>; 1816ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // }; 1817ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // 1818ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Outer<int, int> outer; // error: the partial specializations of Inner 1819ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // // have the same signature. 1820ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor SemaRef.Diag(PartialSpec->getLocation(), diag::err_partial_spec_redeclared) 1821ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor << WrittenTy; 1822ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor SemaRef.Diag(PrevDecl->getLocation(), diag::note_prev_partial_spec_here) 1823ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor << SemaRef.Context.getTypeDeclType(PrevDecl); 1824ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return true; 1825ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor } 1826ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1827ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1828ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Create the class template partial specialization declaration. 1829ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplatePartialSpecializationDecl *InstPartialSpec 183013c8577201e4fc0ddac5f09d05fd1778832137d1Douglas Gregor = ClassTemplatePartialSpecializationDecl::Create(SemaRef.Context, 183113c8577201e4fc0ddac5f09d05fd1778832137d1Douglas Gregor PartialSpec->getTagKind(), 183213c8577201e4fc0ddac5f09d05fd1778832137d1Douglas Gregor Owner, 1833ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor PartialSpec->getLocation(), 1834ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor InstParams, 1835ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplate, 1836ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor Converted, 1837d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall InstTemplateArgs, 18383cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall CanonType, 1839dc60c1eb4acbde6edcec9760de92f9098593d915Douglas Gregor 0, 1840cc0b1bc979b650a8a8b34b2032a074fd7724a90dArgyrios Kyrtzidis ClassTemplate->getNextPartialSpecSequenceNumber()); 1841b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Substitute the nested name specifier, if any. 1842b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (SubstQualifier(PartialSpec, InstPartialSpec)) 1843b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall return 0; 1844b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 1845ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor InstPartialSpec->setInstantiatedFromMember(PartialSpec); 18464469e8a97cdca3725b4f8f366916143113c029acDouglas Gregor InstPartialSpec->setTypeAsWritten(WrittenTy); 18474469e8a97cdca3725b4f8f366916143113c029acDouglas Gregor 1848ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Add this partial specialization to the set of class template partial 1849ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // specializations. 1850cc0b1bc979b650a8a8b34b2032a074fd7724a90dArgyrios Kyrtzidis ClassTemplate->AddPartialSpecialization(InstPartialSpec, InsertPos); 1851ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return false; 1852ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor} 1853ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 185421ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCallTypeSourceInfo* 185521ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCallTemplateDeclInstantiator::SubstFunctionType(FunctionDecl *D, 185621ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall llvm::SmallVectorImpl<ParmVarDecl *> &Params) { 185721ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall TypeSourceInfo *OldTInfo = D->getTypeSourceInfo(); 185821ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall assert(OldTInfo && "substituting function without type source info"); 185921ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall assert(Params.empty() && "parameter vector is non-empty at start"); 18606cd3b9fb8a29bb70fff01719bdde238723d67c10John McCall TypeSourceInfo *NewTInfo 18616cd3b9fb8a29bb70fff01719bdde238723d67c10John McCall = SemaRef.SubstFunctionDeclType(OldTInfo, TemplateArgs, 18626cd3b9fb8a29bb70fff01719bdde238723d67c10John McCall D->getTypeSpecStartLoc(), 18636cd3b9fb8a29bb70fff01719bdde238723d67c10John McCall D->getDeclName()); 186421ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall if (!NewTInfo) 186521ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall return 0; 18665545e166a956a20d7a6b58408e251a1119025485Douglas Gregor 1867cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor if (NewTInfo != OldTInfo) { 1868cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor // Get parameters from the new type info. 1869895162da2d52f4243f61081d7436de66af4503fcDouglas Gregor TypeLoc OldTL = OldTInfo->getTypeLoc(); 18706920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor if (FunctionProtoTypeLoc *OldProtoLoc 18716920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor = dyn_cast<FunctionProtoTypeLoc>(&OldTL)) { 18726920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor TypeLoc NewTL = NewTInfo->getTypeLoc(); 18736920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor FunctionProtoTypeLoc *NewProtoLoc = cast<FunctionProtoTypeLoc>(&NewTL); 18746920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor assert(NewProtoLoc && "Missing prototype?"); 18756920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor for (unsigned i = 0, i_end = NewProtoLoc->getNumArgs(); i != i_end; ++i) { 18766920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor // FIXME: Variadic templates will break this. 18776920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor Params.push_back(NewProtoLoc->getArg(i)); 18786920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal( 1879895162da2d52f4243f61081d7436de66af4503fcDouglas Gregor OldProtoLoc->getArg(i), 1880895162da2d52f4243f61081d7436de66af4503fcDouglas Gregor NewProtoLoc->getArg(i)); 18816920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor } 1882895162da2d52f4243f61081d7436de66af4503fcDouglas Gregor } 1883cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor } else { 1884cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor // The function type itself was not dependent and therefore no 1885cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor // substitution occurred. However, we still need to instantiate 1886cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor // the function parameters themselves. 1887cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor TypeLoc OldTL = OldTInfo->getTypeLoc(); 18886920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor if (FunctionProtoTypeLoc *OldProtoLoc 18896920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor = dyn_cast<FunctionProtoTypeLoc>(&OldTL)) { 18906920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor for (unsigned i = 0, i_end = OldProtoLoc->getNumArgs(); i != i_end; ++i) { 18916920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor ParmVarDecl *Parm = VisitParmVarDecl(OldProtoLoc->getArg(i)); 18926920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor if (!Parm) 18936920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor return 0; 18946920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor Params.push_back(Parm); 18956920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor } 1896cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor } 1897cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor } 189821ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall return NewTInfo; 18995545e166a956a20d7a6b58408e251a1119025485Douglas Gregor} 19005545e166a956a20d7a6b58408e251a1119025485Douglas Gregor 19011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// \brief Initializes the common fields of an instantiation function 1902e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor/// declaration (New) from the corresponding fields of its template (Tmpl). 1903e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor/// 1904e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor/// \returns true if there was an error 19051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpbool 19061eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateDeclInstantiator::InitFunctionInstantiation(FunctionDecl *New, 1907e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor FunctionDecl *Tmpl) { 1908e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor if (Tmpl->isDeleted()) 1909e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor New->setDeleted(); 19101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1911cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor // If we are performing substituting explicitly-specified template arguments 1912cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor // or deduced template arguments into a function template and we reach this 1913cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor // point, we are now past the point where SFINAE applies and have committed 19141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // to keeping the new function template specialization. We therefore 19151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // convert the active template instantiation for the function template 1916cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor // into a template instantiation for this specific function template 1917cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor // specialization, which is not a SFINAE context, so that we diagnose any 1918cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor // further errors in the declaration itself. 1919cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor typedef Sema::ActiveTemplateInstantiation ActiveInstType; 1920cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor ActiveInstType &ActiveInst = SemaRef.ActiveTemplateInstantiations.back(); 1921cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor if (ActiveInst.Kind == ActiveInstType::ExplicitTemplateArgumentSubstitution || 1922cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor ActiveInst.Kind == ActiveInstType::DeducedTemplateArgumentSubstitution) { 19231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionTemplateDecl *FunTmpl 1924cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor = dyn_cast<FunctionTemplateDecl>((Decl *)ActiveInst.Entity)) { 19251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(FunTmpl->getTemplatedDecl() == Tmpl && 1926cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor "Deduction from the wrong function template?"); 1927bcbb8bd3326a86aa70b7df386ae3c86c9ad255c5Daniel Dunbar (void) FunTmpl; 1928cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor ActiveInst.Kind = ActiveInstType::TemplateInstantiation; 1929cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor ActiveInst.Entity = reinterpret_cast<uintptr_t>(New); 1930f35f828f9883123772a9731af190a608f3236ef4Douglas Gregor --SemaRef.NonInstantiationEntries; 1931cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor } 1932cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor } 19331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19340ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor const FunctionProtoType *Proto = Tmpl->getType()->getAs<FunctionProtoType>(); 19350ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor assert(Proto && "Function template without prototype?"); 19360ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor 19370ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor if (Proto->hasExceptionSpec() || Proto->hasAnyExceptionSpec() || 19380ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor Proto->getNoReturnAttr()) { 19390ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor // The function has an exception specification or a "noreturn" 19400ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor // attribute. Substitute into each of the exception types. 19410ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor llvm::SmallVector<QualType, 4> Exceptions; 19420ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor for (unsigned I = 0, N = Proto->getNumExceptions(); I != N; ++I) { 19430ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor // FIXME: Poor location information! 19440ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor QualType T 19450ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor = SemaRef.SubstType(Proto->getExceptionType(I), TemplateArgs, 19460ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor New->getLocation(), New->getDeclName()); 19470ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor if (T.isNull() || 19480ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor SemaRef.CheckSpecifiedExceptionType(T, New->getLocation())) 19490ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor continue; 19500ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor 19510ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor Exceptions.push_back(T); 19520ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor } 19530ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor 19540ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor // Rebuild the function type 19550ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor 19560ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor const FunctionProtoType *NewProto 19570ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor = New->getType()->getAs<FunctionProtoType>(); 19580ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor assert(NewProto && "Template instantiation without function prototype?"); 19590ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor New->setType(SemaRef.Context.getFunctionType(NewProto->getResultType(), 19600ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor NewProto->arg_type_begin(), 19610ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor NewProto->getNumArgs(), 19620ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor NewProto->isVariadic(), 19630ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor NewProto->getTypeQuals(), 19640ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor Proto->hasExceptionSpec(), 19650ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor Proto->hasAnyExceptionSpec(), 19660ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor Exceptions.size(), 19670ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor Exceptions.data(), 1968264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Proto->getExtInfo())); 19690ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor } 19700ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor 19711d8d1ccd36888f1120b3a1df9e76f35dc2edb81dJohn McCall SemaRef.InstantiateAttrs(TemplateArgs, Tmpl, New); 19727cf84d66965a7706004d8590b5af5fe54b85f525Douglas Gregor 1973e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor return false; 1974e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor} 1975e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor 19765545e166a956a20d7a6b58408e251a1119025485Douglas Gregor/// \brief Initializes common fields of an instantiated method 19775545e166a956a20d7a6b58408e251a1119025485Douglas Gregor/// declaration (New) from the corresponding fields of its template 19785545e166a956a20d7a6b58408e251a1119025485Douglas Gregor/// (Tmpl). 19795545e166a956a20d7a6b58408e251a1119025485Douglas Gregor/// 19805545e166a956a20d7a6b58408e251a1119025485Douglas Gregor/// \returns true if there was an error 19811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpbool 19821eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateDeclInstantiator::InitMethodInstantiation(CXXMethodDecl *New, 19835545e166a956a20d7a6b58408e251a1119025485Douglas Gregor CXXMethodDecl *Tmpl) { 1984e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor if (InitFunctionInstantiation(New, Tmpl)) 1985e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor return true; 19861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19875545e166a956a20d7a6b58408e251a1119025485Douglas Gregor CXXRecordDecl *Record = cast<CXXRecordDecl>(Owner); 19885545e166a956a20d7a6b58408e251a1119025485Douglas Gregor New->setAccess(Tmpl->getAccess()); 1989e7184df728bb339633d88c774b5097dd9318cc8aFariborz Jahanian if (Tmpl->isVirtualAsWritten()) 1990e7184df728bb339633d88c774b5097dd9318cc8aFariborz Jahanian Record->setMethodAsVirtual(New); 19915545e166a956a20d7a6b58408e251a1119025485Douglas Gregor 19925545e166a956a20d7a6b58408e251a1119025485Douglas Gregor // FIXME: attributes 19935545e166a956a20d7a6b58408e251a1119025485Douglas Gregor // FIXME: New needs a pointer to Tmpl 19945545e166a956a20d7a6b58408e251a1119025485Douglas Gregor return false; 19955545e166a956a20d7a6b58408e251a1119025485Douglas Gregor} 1996a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor 1997a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor/// \brief Instantiate the definition of the given function from its 1998a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor/// template. 1999a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor/// 2000b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// \param PointOfInstantiation the point at which the instantiation was 2001b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// required. Note that this is not precisely a "point of instantiation" 2002b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// for the function, but it's close. 2003b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// 2004a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor/// \param Function the already-instantiated declaration of a 2005b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// function template specialization or member function of a class template 2006b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// specialization. 2007b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// 2008b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// \param Recursive if true, recursively instantiates any functions that 2009b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// are required by this instantiation. 2010e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor/// 2011e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor/// \param DefinitionRequired if true, then we are performing an explicit 2012e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor/// instantiation where the body of the function is required. Complain if 2013e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor/// there is no such body. 2014f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregorvoid Sema::InstantiateFunctionDefinition(SourceLocation PointOfInstantiation, 2015b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor FunctionDecl *Function, 2016e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor bool Recursive, 2017e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor bool DefinitionRequired) { 201806a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis if (Function->isInvalidDecl() || Function->hasBody()) 201954dabfca850ca9e60e9ffb60003529f868d4d127Douglas Gregor return; 202054dabfca850ca9e60e9ffb60003529f868d4d127Douglas Gregor 2021251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor // Never instantiate an explicit specialization. 2022251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor if (Function->getTemplateSpecializationKind() == TSK_ExplicitSpecialization) 2023251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return; 20246cfacfe54c75baa4d67f1fbdf4f80644b662818eDouglas Gregor 20251eee0e753fb390b04848846e837714ec774b7bfdDouglas Gregor // Find the function body that we'll be substituting. 20263b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor const FunctionDecl *PatternDecl = Function->getTemplateInstantiationPattern(); 20271eee0e753fb390b04848846e837714ec774b7bfdDouglas Gregor Stmt *Pattern = 0; 20281eee0e753fb390b04848846e837714ec774b7bfdDouglas Gregor if (PatternDecl) 20296fb0aee4f9dc261bbec72e1283ad8dc0557a6d96Argyrios Kyrtzidis Pattern = PatternDecl->getBody(PatternDecl); 20301eee0e753fb390b04848846e837714ec774b7bfdDouglas Gregor 2031e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor if (!Pattern) { 2032e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor if (DefinitionRequired) { 2033e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor if (Function->getPrimaryTemplate()) 2034e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor Diag(PointOfInstantiation, 2035e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor diag::err_explicit_instantiation_undefined_func_template) 2036e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor << Function->getPrimaryTemplate(); 2037e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor else 2038e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor Diag(PointOfInstantiation, 2039e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor diag::err_explicit_instantiation_undefined_member) 2040e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor << 1 << Function->getDeclName() << Function->getDeclContext(); 2041e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor 2042e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor if (PatternDecl) 2043e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor Diag(PatternDecl->getLocation(), 2044e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor diag::note_explicit_instantiation_here); 2045cfe833be882f600206f1587f157b025b368497d7Douglas Gregor Function->setInvalidDecl(); 2046e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor } 2047e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor 20481eee0e753fb390b04848846e837714ec774b7bfdDouglas Gregor return; 2049e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor } 20501eee0e753fb390b04848846e837714ec774b7bfdDouglas Gregor 2051d0e3daf2b980b505e535d35b432c938c6d0208efDouglas Gregor // C++0x [temp.explicit]p9: 2052d0e3daf2b980b505e535d35b432c938c6d0208efDouglas Gregor // Except for inline functions, other explicit instantiation declarations 20531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // have the effect of suppressing the implicit instantiation of the entity 2054d0e3daf2b980b505e535d35b432c938c6d0208efDouglas Gregor // to which they refer. 20551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (Function->getTemplateSpecializationKind() 2056d0e3daf2b980b505e535d35b432c938c6d0208efDouglas Gregor == TSK_ExplicitInstantiationDeclaration && 20577ced9c8529b734e313f62a3b81189d6f402f6713Douglas Gregor !PatternDecl->isInlined()) 2058d0e3daf2b980b505e535d35b432c938c6d0208efDouglas Gregor return; 20591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2060f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregor InstantiatingTemplate Inst(*this, PointOfInstantiation, Function); 2061f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregor if (Inst) 2062e7089b0c6ffe8a8854150b60df00fb544099f77dDouglas Gregor return; 2063e7089b0c6ffe8a8854150b60df00fb544099f77dDouglas Gregor 2064b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor // If we're performing recursive template instantiation, create our own 2065b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor // queue of pending implicit instantiations that we will instantiate later, 2066b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor // while we're still within our own instantiation context. 2067b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor std::deque<PendingImplicitInstantiation> SavedPendingImplicitInstantiations; 2068b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor if (Recursive) 2069b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor PendingImplicitInstantiations.swap(SavedPendingImplicitInstantiations); 20701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20719679cafc6368cceed1a5e69d3038d0316401b352Douglas Gregor EnterExpressionEvaluationContext EvalContext(*this, 20729679cafc6368cceed1a5e69d3038d0316401b352Douglas Gregor Action::PotentiallyEvaluated); 2073d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall ActOnStartOfFunctionDef(0, Function); 2074e2c31ff0bc622e6fd7d47d7e08b53840f3be6c89Douglas Gregor 207554dabfca850ca9e60e9ffb60003529f868d4d127Douglas Gregor // Introduce a new scope where local variable instantiations will be 207660406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor // recorded, unless we're actually a member function within a local 207760406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor // class, in which case we need to merge our results with the parent 207860406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor // scope (of the enclosing function). 207960406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor bool MergeWithParentScope = false; 208060406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor if (CXXRecordDecl *Rec = dyn_cast<CXXRecordDecl>(Function->getDeclContext())) 208160406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor MergeWithParentScope = Rec->isLocalClass(); 208260406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor 208360406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor LocalInstantiationScope Scope(*this, MergeWithParentScope); 20841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 208554dabfca850ca9e60e9ffb60003529f868d4d127Douglas Gregor // Introduce the instantiated function parameters into the local 20868a6c0f1a48b8167ca1457c9f05288fa637033dc9Peter Collingbourne // instantiation scope, and set the parameter names to those used 20878a6c0f1a48b8167ca1457c9f05288fa637033dc9Peter Collingbourne // in the template. 20888a6c0f1a48b8167ca1457c9f05288fa637033dc9Peter Collingbourne for (unsigned I = 0, N = PatternDecl->getNumParams(); I != N; ++I) { 20898a6c0f1a48b8167ca1457c9f05288fa637033dc9Peter Collingbourne const ParmVarDecl *PatternParam = PatternDecl->getParamDecl(I); 20908a6c0f1a48b8167ca1457c9f05288fa637033dc9Peter Collingbourne ParmVarDecl *FunctionParam = Function->getParamDecl(I); 20918a6c0f1a48b8167ca1457c9f05288fa637033dc9Peter Collingbourne FunctionParam->setDeclName(PatternParam->getDeclName()); 20928a6c0f1a48b8167ca1457c9f05288fa637033dc9Peter Collingbourne Scope.InstantiatedLocal(PatternParam, FunctionParam); 20938a6c0f1a48b8167ca1457c9f05288fa637033dc9Peter Collingbourne } 209454dabfca850ca9e60e9ffb60003529f868d4d127Douglas Gregor 2095b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor // Enter the scope of this instantiation. We don't use 2096b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor // PushDeclContext because we don't have a scope. 2097b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor DeclContext *PreviousContext = CurContext; 2098b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor CurContext = Function; 2099b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor 21001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump MultiLevelTemplateArgumentList TemplateArgs = 2101e7089b0c6ffe8a8854150b60df00fb544099f77dDouglas Gregor getTemplateInstantiationArgs(Function, 0, false, PatternDecl); 2102090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson 2103090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson // If this is a constructor, instantiate the member initializers. 21041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const CXXConstructorDecl *Ctor = 2105090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson dyn_cast<CXXConstructorDecl>(PatternDecl)) { 2106090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson InstantiateMemInitializers(cast<CXXConstructorDecl>(Function), Ctor, 2107090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson TemplateArgs); 21081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 21091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 211054dabfca850ca9e60e9ffb60003529f868d4d127Douglas Gregor // Instantiate the function body. 2111090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson OwningStmtResult Body = SubstStmt(Pattern, TemplateArgs); 2112e2c31ff0bc622e6fd7d47d7e08b53840f3be6c89Douglas Gregor 211352604ab71a74b8ec481255dfeea7dc9dba63b1a5Douglas Gregor if (Body.isInvalid()) 211452604ab71a74b8ec481255dfeea7dc9dba63b1a5Douglas Gregor Function->setInvalidDecl(); 211552604ab71a74b8ec481255dfeea7dc9dba63b1a5Douglas Gregor 2116d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall ActOnFinishFunctionBody(Function, move(Body), 2117e2c31ff0bc622e6fd7d47d7e08b53840f3be6c89Douglas Gregor /*IsInstantiation=*/true); 2118b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor 21190c01d18094100db92d38daa923c95661512db203John McCall PerformDependentDiagnostics(PatternDecl, TemplateArgs); 21200c01d18094100db92d38daa923c95661512db203John McCall 2121b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor CurContext = PreviousContext; 2122aba43bb13b3aa3e81990989375fba3a902bfe1c2Douglas Gregor 2123aba43bb13b3aa3e81990989375fba3a902bfe1c2Douglas Gregor DeclGroupRef DG(Function); 2124aba43bb13b3aa3e81990989375fba3a902bfe1c2Douglas Gregor Consumer.HandleTopLevelDecl(DG); 21251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 212660406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor // This class may have local implicit instantiations that need to be 212760406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor // instantiation within this scope. 212860406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor PerformPendingImplicitInstantiations(/*LocalOnly=*/true); 212960406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor Scope.Exit(); 213060406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor 2131b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor if (Recursive) { 2132b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor // Instantiate any pending implicit instantiations found during the 21331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // instantiation of this template. 2134b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor PerformPendingImplicitInstantiations(); 21351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2136b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor // Restore the set of pending implicit instantiations. 2137b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor PendingImplicitInstantiations.swap(SavedPendingImplicitInstantiations); 2138b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor } 2139a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor} 2140a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor 2141a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor/// \brief Instantiate the definition of the given variable from its 2142a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor/// template. 2143a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor/// 21447caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// \param PointOfInstantiation the point at which the instantiation was 21457caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// required. Note that this is not precisely a "point of instantiation" 21467caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// for the function, but it's close. 21477caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// 21487caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// \param Var the already-instantiated declaration of a static member 21497caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// variable of a class template specialization. 21507caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// 21517caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// \param Recursive if true, recursively instantiates any functions that 21527caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// are required by this instantiation. 2153e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor/// 2154e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor/// \param DefinitionRequired if true, then we are performing an explicit 2155e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor/// instantiation where an out-of-line definition of the member variable 2156e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor/// is required. Complain if there is no such definition. 21577caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregorvoid Sema::InstantiateStaticDataMemberDefinition( 21587caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor SourceLocation PointOfInstantiation, 21597caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor VarDecl *Var, 2160e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor bool Recursive, 2161e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor bool DefinitionRequired) { 21627caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Var->isInvalidDecl()) 21637caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return; 21641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21657caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // Find the out-of-line definition of this static data member. 21667caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor VarDecl *Def = Var->getInstantiatedFromStaticDataMember(); 21677caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Def && "This data member was not instantiated from a template?"); 21680d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor assert(Def->isStaticDataMember() && "Not a static data member?"); 21690d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor Def = Def->getOutOfLineDefinition(); 21701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21710d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor if (!Def) { 21727caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // We did not find an out-of-line definition of this static data member, 21737caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // so we won't perform any instantiation. Rather, we rely on the user to 21741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // instantiate this definition (or provide a specialization for it) in 21751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // another translation unit. 2176e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor if (DefinitionRequired) { 21770d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor Def = Var->getInstantiatedFromStaticDataMember(); 2178e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor Diag(PointOfInstantiation, 2179e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor diag::err_explicit_instantiation_undefined_member) 2180e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor << 2 << Var->getDeclName() << Var->getDeclContext(); 2181e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor Diag(Def->getLocation(), diag::note_explicit_instantiation_here); 2182e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor } 2183e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor 21847caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return; 21857caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor } 21867caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 2187251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor // Never instantiate an explicit specialization. 21881028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor if (Var->getTemplateSpecializationKind() == TSK_ExplicitSpecialization) 2189251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return; 2190251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor 2191251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor // C++0x [temp.explicit]p9: 2192251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor // Except for inline functions, other explicit instantiation declarations 2193251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor // have the effect of suppressing the implicit instantiation of the entity 2194251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor // to which they refer. 21951028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor if (Var->getTemplateSpecializationKind() 2196251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor == TSK_ExplicitInstantiationDeclaration) 2197251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return; 21981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21997caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor InstantiatingTemplate Inst(*this, PointOfInstantiation, Var); 22007caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Inst) 22017caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return; 22021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22037caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // If we're performing recursive template instantiation, create our own 22047caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // queue of pending implicit instantiations that we will instantiate later, 22057caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // while we're still within our own instantiation context. 22067caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor std::deque<PendingImplicitInstantiation> SavedPendingImplicitInstantiations; 22077caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Recursive) 22087caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor PendingImplicitInstantiations.swap(SavedPendingImplicitInstantiations); 22091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22107caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // Enter the scope of this instantiation. We don't use 22117caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // PushDeclContext because we don't have a scope. 22127caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor DeclContext *PreviousContext = CurContext; 22137caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor CurContext = Var->getDeclContext(); 22141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22151028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor VarDecl *OldVar = Var; 2216ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCall Var = cast_or_null<VarDecl>(SubstDecl(Def, Var->getDeclContext(), 22177caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor getTemplateInstantiationArgs(Var))); 22187caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor CurContext = PreviousContext; 22197caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 22207caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Var) { 2221583f33b8a9227bace1a77a15404b4c64dc619d69Douglas Gregor MemberSpecializationInfo *MSInfo = OldVar->getMemberSpecializationInfo(); 2222583f33b8a9227bace1a77a15404b4c64dc619d69Douglas Gregor assert(MSInfo && "Missing member specialization information?"); 2223583f33b8a9227bace1a77a15404b4c64dc619d69Douglas Gregor Var->setTemplateSpecializationKind(MSInfo->getTemplateSpecializationKind(), 2224583f33b8a9227bace1a77a15404b4c64dc619d69Douglas Gregor MSInfo->getPointOfInstantiation()); 22257caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor DeclGroupRef DG(Var); 22267caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor Consumer.HandleTopLevelDecl(DG); 22277caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor } 22281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22297caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Recursive) { 22307caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // Instantiate any pending implicit instantiations found during the 22311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // instantiation of this template. 22327caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor PerformPendingImplicitInstantiations(); 22331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22347caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // Restore the set of pending implicit instantiations. 22357caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor PendingImplicitInstantiations.swap(SavedPendingImplicitInstantiations); 22361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 2237a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor} 2238815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 2239090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlssonvoid 2240090253155017b7eec031bbd7bf07824a448e1d7aAnders CarlssonSema::InstantiateMemInitializers(CXXConstructorDecl *New, 2241090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson const CXXConstructorDecl *Tmpl, 2242090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson const MultiLevelTemplateArgumentList &TemplateArgs) { 22431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2244090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson llvm::SmallVector<MemInitTy*, 4> NewInits; 22459db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor bool AnyErrors = false; 22469db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor 2247090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson // Instantiate all the initializers. 2248090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson for (CXXConstructorDecl::init_const_iterator Inits = Tmpl->init_begin(), 224972f6d678c8de9f3a770e8ae5fc4979abf3940668Douglas Gregor InitsEnd = Tmpl->init_end(); 225072f6d678c8de9f3a770e8ae5fc4979abf3940668Douglas Gregor Inits != InitsEnd; ++Inits) { 2251090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson CXXBaseOrMemberInitializer *Init = *Inits; 2252090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson 22536b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor SourceLocation LParenLoc, RParenLoc; 2254090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson ASTOwningVector<&ActionBase::DeleteExpr> NewArgs(*this); 22559db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor llvm::SmallVector<SourceLocation, 4> CommaLocs; 22561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22576b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor // Instantiate the initializer. 22586b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (InstantiateInitializer(*this, Init->getInit(), TemplateArgs, 22596b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor LParenLoc, CommaLocs, NewArgs, RParenLoc)) { 22606b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor AnyErrors = true; 22616b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor continue; 2262090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson } 22639db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor 2264090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson MemInitResult NewInit; 2265090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson if (Init->isBaseInitializer()) { 2266a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *BaseTInfo = SubstType(Init->getBaseClassInfo(), 2267802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor TemplateArgs, 2268802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor Init->getSourceLocation(), 2269802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor New->getDeclName()); 2270a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall if (!BaseTInfo) { 22719db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor AnyErrors = true; 2272802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor New->setInvalidDecl(); 2273802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor continue; 2274802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor } 2275802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor 2276a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall NewInit = BuildBaseInitializer(BaseTInfo->getType(), BaseTInfo, 22771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump (Expr **)NewArgs.data(), 2278090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson NewArgs.size(), 2279802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor Init->getLParenLoc(), 2280090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson Init->getRParenLoc(), 2281090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson New->getParent()); 2282090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson } else if (Init->isMemberInitializer()) { 22839988d5d9ad0850e455bd413b03ba7dc8ecee5999Anders Carlsson FieldDecl *Member; 22841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22859988d5d9ad0850e455bd413b03ba7dc8ecee5999Anders Carlsson // Is this an anonymous union? 22869988d5d9ad0850e455bd413b03ba7dc8ecee5999Anders Carlsson if (FieldDecl *UnionInit = Init->getAnonUnionMember()) 22877c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor Member = cast<FieldDecl>(FindInstantiatedDecl(Init->getMemberLocation(), 22887c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor UnionInit, TemplateArgs)); 22899988d5d9ad0850e455bd413b03ba7dc8ecee5999Anders Carlsson else 22907c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor Member = cast<FieldDecl>(FindInstantiatedDecl(Init->getMemberLocation(), 22917c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor Init->getMember(), 2292e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor TemplateArgs)); 22931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NewInit = BuildMemberInitializer(Member, (Expr **)NewArgs.data(), 2295090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson NewArgs.size(), 2296090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson Init->getSourceLocation(), 2297802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor Init->getLParenLoc(), 2298090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson Init->getRParenLoc()); 2299090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson } 2300090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson 23019db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor if (NewInit.isInvalid()) { 23029db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor AnyErrors = true; 2303090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson New->setInvalidDecl(); 23049db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor } else { 2305090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson // FIXME: It would be nice if ASTOwningVector had a release function. 2306090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson NewArgs.take(); 23071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2308090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson NewInits.push_back((MemInitTy *)NewInit.get()); 2309090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson } 2310090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson } 23111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2312090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson // Assign all the initializers to the new constructor. 2313d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall ActOnMemInitializers(New, 2314090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson /*FIXME: ColonLoc */ 2315090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson SourceLocation(), 23169db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor NewInits.data(), NewInits.size(), 23179db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor AnyErrors); 2318090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson} 2319090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson 232052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall// TODO: this could be templated if the various decl types used the 232152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall// same method name. 232252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCallstatic bool isInstantiationOf(ClassTemplateDecl *Pattern, 232352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall ClassTemplateDecl *Instance) { 232452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Pattern = Pattern->getCanonicalDecl(); 232552a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 232652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall do { 232752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getCanonicalDecl(); 232852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (Pattern == Instance) return true; 232952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getInstantiatedFromMemberTemplate(); 233052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall } while (Instance); 233152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 233252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return false; 233352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall} 233452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 23350d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregorstatic bool isInstantiationOf(FunctionTemplateDecl *Pattern, 23360d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor FunctionTemplateDecl *Instance) { 23370d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor Pattern = Pattern->getCanonicalDecl(); 23380d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor 23390d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor do { 23400d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor Instance = Instance->getCanonicalDecl(); 23410d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor if (Pattern == Instance) return true; 23420d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor Instance = Instance->getInstantiatedFromMemberTemplate(); 23430d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor } while (Instance); 23440d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor 23450d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor return false; 23460d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor} 23470d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor 2348ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregorstatic bool 2349ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas GregorisInstantiationOf(ClassTemplatePartialSpecializationDecl *Pattern, 2350ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplatePartialSpecializationDecl *Instance) { 2351ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor Pattern 2352ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor = cast<ClassTemplatePartialSpecializationDecl>(Pattern->getCanonicalDecl()); 2353ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor do { 2354ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor Instance = cast<ClassTemplatePartialSpecializationDecl>( 2355ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor Instance->getCanonicalDecl()); 2356ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor if (Pattern == Instance) 2357ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return true; 2358ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor Instance = Instance->getInstantiatedFromMember(); 2359ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor } while (Instance); 2360ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 2361ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return false; 2362ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor} 2363ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 236452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCallstatic bool isInstantiationOf(CXXRecordDecl *Pattern, 236552a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall CXXRecordDecl *Instance) { 236652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Pattern = Pattern->getCanonicalDecl(); 236752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 236852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall do { 236952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getCanonicalDecl(); 237052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (Pattern == Instance) return true; 237152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getInstantiatedFromMemberClass(); 237252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall } while (Instance); 237352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 237452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return false; 237552a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall} 237652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 237752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCallstatic bool isInstantiationOf(FunctionDecl *Pattern, 237852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall FunctionDecl *Instance) { 237952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Pattern = Pattern->getCanonicalDecl(); 238052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 238152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall do { 238252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getCanonicalDecl(); 238352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (Pattern == Instance) return true; 238452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getInstantiatedFromMemberFunction(); 238552a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall } while (Instance); 238652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 238752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return false; 238852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall} 238952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 239052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCallstatic bool isInstantiationOf(EnumDecl *Pattern, 239152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall EnumDecl *Instance) { 239252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Pattern = Pattern->getCanonicalDecl(); 239352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 239452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall do { 239552a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getCanonicalDecl(); 239652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (Pattern == Instance) return true; 239752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getInstantiatedFromMemberEnum(); 239852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall } while (Instance); 239952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 240052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return false; 240152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall} 240252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 2403ed97649e9574b9d854fa4d6109c9333ae0993554John McCallstatic bool isInstantiationOf(UsingShadowDecl *Pattern, 2404ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingShadowDecl *Instance, 2405ed97649e9574b9d854fa4d6109c9333ae0993554John McCall ASTContext &C) { 2406ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return C.getInstantiatedFromUsingShadowDecl(Instance) == Pattern; 2407ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 2408ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2409ed97649e9574b9d854fa4d6109c9333ae0993554John McCallstatic bool isInstantiationOf(UsingDecl *Pattern, 2410ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingDecl *Instance, 2411ed97649e9574b9d854fa4d6109c9333ae0993554John McCall ASTContext &C) { 2412ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return C.getInstantiatedFromUsingDecl(Instance) == Pattern; 2413ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 2414ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 24157ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallstatic bool isInstantiationOf(UnresolvedUsingValueDecl *Pattern, 24167ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall UsingDecl *Instance, 24177ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall ASTContext &C) { 2418ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return C.getInstantiatedFromUsingDecl(Instance) == Pattern; 24197ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall} 24207ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall 24217ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallstatic bool isInstantiationOf(UnresolvedUsingTypenameDecl *Pattern, 24220d8df780aef1acda5962347a32591efc629b6748Anders Carlsson UsingDecl *Instance, 24230d8df780aef1acda5962347a32591efc629b6748Anders Carlsson ASTContext &C) { 2424ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return C.getInstantiatedFromUsingDecl(Instance) == Pattern; 24250d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 24260d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 242752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCallstatic bool isInstantiationOfStaticDataMember(VarDecl *Pattern, 242852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall VarDecl *Instance) { 242952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall assert(Instance->isStaticDataMember()); 243052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 243152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Pattern = Pattern->getCanonicalDecl(); 243252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 243352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall do { 243452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getCanonicalDecl(); 243552a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (Pattern == Instance) return true; 243652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getInstantiatedFromStaticDataMember(); 243752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall } while (Instance); 243852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 243952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return false; 244052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall} 244152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 2442ed97649e9574b9d854fa4d6109c9333ae0993554John McCall// Other is the prospective instantiation 2443ed97649e9574b9d854fa4d6109c9333ae0993554John McCall// D is the prospective pattern 2444815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregorstatic bool isInstantiationOf(ASTContext &Ctx, NamedDecl *D, Decl *Other) { 24450d8df780aef1acda5962347a32591efc629b6748Anders Carlsson if (D->getKind() != Other->getKind()) { 24467ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall if (UnresolvedUsingTypenameDecl *UUD 24477ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall = dyn_cast<UnresolvedUsingTypenameDecl>(D)) { 24487ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall if (UsingDecl *UD = dyn_cast<UsingDecl>(Other)) { 24497ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall return isInstantiationOf(UUD, UD, Ctx); 24507ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall } 24517ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall } 24527ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall 24537ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall if (UnresolvedUsingValueDecl *UUD 24547ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall = dyn_cast<UnresolvedUsingValueDecl>(D)) { 24550d8df780aef1acda5962347a32591efc629b6748Anders Carlsson if (UsingDecl *UD = dyn_cast<UsingDecl>(Other)) { 24560d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return isInstantiationOf(UUD, UD, Ctx); 24570d8df780aef1acda5962347a32591efc629b6748Anders Carlsson } 24580d8df780aef1acda5962347a32591efc629b6748Anders Carlsson } 2459815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 24600d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return false; 24610d8df780aef1acda5962347a32591efc629b6748Anders Carlsson } 24621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 246352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (CXXRecordDecl *Record = dyn_cast<CXXRecordDecl>(Other)) 246452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return isInstantiationOf(cast<CXXRecordDecl>(D), Record); 24651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 246652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (FunctionDecl *Function = dyn_cast<FunctionDecl>(Other)) 246752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return isInstantiationOf(cast<FunctionDecl>(D), Function); 2468815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 246952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (EnumDecl *Enum = dyn_cast<EnumDecl>(Other)) 247052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return isInstantiationOf(cast<EnumDecl>(D), Enum); 2471815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 24727caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (VarDecl *Var = dyn_cast<VarDecl>(Other)) 247352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (Var->isStaticDataMember()) 247452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return isInstantiationOfStaticDataMember(cast<VarDecl>(D), Var); 247552a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 247652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (ClassTemplateDecl *Temp = dyn_cast<ClassTemplateDecl>(Other)) 247752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return isInstantiationOf(cast<ClassTemplateDecl>(D), Temp); 2478a5bf7f13d7772b164750997f95ab18487bbc4114Douglas Gregor 24790d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor if (FunctionTemplateDecl *Temp = dyn_cast<FunctionTemplateDecl>(Other)) 24800d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor return isInstantiationOf(cast<FunctionTemplateDecl>(D), Temp); 24810d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor 2482ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor if (ClassTemplatePartialSpecializationDecl *PartialSpec 2483ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor = dyn_cast<ClassTemplatePartialSpecializationDecl>(Other)) 2484ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return isInstantiationOf(cast<ClassTemplatePartialSpecializationDecl>(D), 2485ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor PartialSpec); 2486ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 2487d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson if (FieldDecl *Field = dyn_cast<FieldDecl>(Other)) { 2488d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson if (!Field->getDeclName()) { 2489d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson // This is an unnamed field. 24901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Ctx.getInstantiatedFromUnnamedFieldDecl(Field) == 2491d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson cast<FieldDecl>(D); 2492d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson } 2493d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson } 24941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2495ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (UsingDecl *Using = dyn_cast<UsingDecl>(Other)) 2496ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return isInstantiationOf(cast<UsingDecl>(D), Using, Ctx); 2497ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2498ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (UsingShadowDecl *Shadow = dyn_cast<UsingShadowDecl>(Other)) 2499ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return isInstantiationOf(cast<UsingShadowDecl>(D), Shadow, Ctx); 2500ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2501815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor return D->getDeclName() && isa<NamedDecl>(Other) && 2502815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor D->getDeclName() == cast<NamedDecl>(Other)->getDeclName(); 2503815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor} 2504815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 2505815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregortemplate<typename ForwardIterator> 25061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic NamedDecl *findInstantiationOf(ASTContext &Ctx, 2507815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor NamedDecl *D, 2508815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor ForwardIterator first, 2509815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor ForwardIterator last) { 2510815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor for (; first != last; ++first) 2511815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor if (isInstantiationOf(Ctx, D, *first)) 2512815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor return cast<NamedDecl>(*first); 2513815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 2514815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor return 0; 2515815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor} 2516815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 251702cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// \brief Finds the instantiation of the given declaration context 251802cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// within the current instantiation. 251902cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// 252002cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// \returns NULL if there was an error 25217c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas GregorDeclContext *Sema::FindInstantiatedContext(SourceLocation Loc, DeclContext* DC, 2522e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor const MultiLevelTemplateArgumentList &TemplateArgs) { 252302cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall if (NamedDecl *D = dyn_cast<NamedDecl>(DC)) { 25247c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor Decl* ID = FindInstantiatedDecl(Loc, D, TemplateArgs); 252502cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall return cast_or_null<DeclContext>(ID); 252602cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall } else return DC; 252702cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall} 252802cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall 2529ed961e7fffc268eeace169869f5a059bcbd5fcbdDouglas Gregor/// \brief Find the instantiation of the given declaration within the 2530ed961e7fffc268eeace169869f5a059bcbd5fcbdDouglas Gregor/// current instantiation. 2531815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// 2532815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// This routine is intended to be used when \p D is a declaration 2533815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// referenced from within a template, that needs to mapped into the 2534815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// corresponding declaration within an instantiation. For example, 2535815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// given: 2536815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// 2537815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// \code 2538815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// template<typename T> 2539815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// struct X { 2540815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// enum Kind { 2541815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// KnownValue = sizeof(T) 2542815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// }; 2543815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// 2544815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// bool getKind() const { return KnownValue; } 2545815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// }; 2546815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// 2547815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// template struct X<int>; 2548815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// \endcode 2549815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// 2550815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// In the instantiation of X<int>::getKind(), we need to map the 2551815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// EnumConstantDecl for KnownValue (which refers to 2552815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// X<T>::<Kind>::KnownValue) to its instantiation 2553ed961e7fffc268eeace169869f5a059bcbd5fcbdDouglas Gregor/// (X<int>::<Kind>::KnownValue). InstantiateCurrentDeclRef() performs 2554ed961e7fffc268eeace169869f5a059bcbd5fcbdDouglas Gregor/// this mapping from within the instantiation of X<int>. 25557c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas GregorNamedDecl *Sema::FindInstantiatedDecl(SourceLocation Loc, NamedDecl *D, 2556e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor const MultiLevelTemplateArgumentList &TemplateArgs) { 2557815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor DeclContext *ParentDC = D->getDeclContext(); 2558550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor if (isa<ParmVarDecl>(D) || isa<NonTypeTemplateParmDecl>(D) || 25596d3e627dacdb2f749195635ab587fd067ef813e1Douglas Gregor isa<TemplateTypeParmDecl>(D) || isa<TemplateTemplateParmDecl>(D) || 2560766724566289e6951a90b6483f0d3e22fe4b9b52John McCall (ParentDC->isFunctionOrMethod() && ParentDC->isDependentContext())) { 25612bba76b0ec4c2f2134eebb1a2bbfe102f36c2f6eDouglas Gregor // D is a local of some kind. Look into the map of local 25622bba76b0ec4c2f2134eebb1a2bbfe102f36c2f6eDouglas Gregor // declarations to their instantiations. 25638dd0c5626455cdf94280783e85e413eed6cbf3d9Fariborz Jahanian return cast<NamedDecl>(CurrentInstantiationScope->getInstantiationOf(D)); 25642bba76b0ec4c2f2134eebb1a2bbfe102f36c2f6eDouglas Gregor } 2565815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 2566e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor if (CXXRecordDecl *Record = dyn_cast<CXXRecordDecl>(D)) { 2567e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor if (!Record->isDependentContext()) 2568e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor return D; 2569e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor 25708b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // If the RecordDecl is actually the injected-class-name or a 25718b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // "templated" declaration for a class template, class template 25728b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // partial specialization, or a member class of a class template, 25738b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // substitute into the injected-class-name of the class template 25748b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // or partial specialization to find the new DeclContext. 2575e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor QualType T; 2576e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor ClassTemplateDecl *ClassTemplate = Record->getDescribedClassTemplate(); 2577e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor 2578e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor if (ClassTemplate) { 257924bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor T = ClassTemplate->getInjectedClassNameSpecialization(); 2580e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor } else if (ClassTemplatePartialSpecializationDecl *PartialSpec 2581e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor = dyn_cast<ClassTemplatePartialSpecializationDecl>(Record)) { 2582e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor ClassTemplate = PartialSpec->getSpecializedTemplate(); 25833cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 25843cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall // If we call SubstType with an InjectedClassNameType here we 25853cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall // can end up in an infinite loop. 25863cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall T = Context.getTypeDeclType(Record); 25873cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(T) && 25883cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall "type of partial specialization is not an InjectedClassNameType"); 258931f17ecbef57b5679c017c375db330546b7b5145John McCall T = cast<InjectedClassNameType>(T)->getInjectedSpecializationType(); 25903cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 2591e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor 2592e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor if (!T.isNull()) { 25938b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // Substitute into the injected-class-name to get the type 25948b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // corresponding to the instantiation we want, which may also be 25958b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // the current instantiation (if we're in a template 25968b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // definition). This substitution should never fail, since we 25978b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // know we can instantiate the injected-class-name or we 25988b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // wouldn't have gotten to the injected-class-name! 25998b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor 26008b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // FIXME: Can we use the CurrentInstantiationScope to avoid this 26018b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // extra instantiation in the common case? 2602e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor T = SubstType(T, TemplateArgs, SourceLocation(), DeclarationName()); 2603e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor assert(!T.isNull() && "Instantiation of injected-class-name cannot fail."); 2604e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor 2605e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor if (!T->isDependentType()) { 2606e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor assert(T->isRecordType() && "Instantiation must produce a record type"); 2607e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor return T->getAs<RecordType>()->getDecl(); 2608e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor } 2609e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor 26108b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // We are performing "partial" template instantiation to create 26118b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // the member declarations for the members of a class template 26128b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // specialization. Therefore, D is actually referring to something 26138b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // in the current instantiation. Look through the current 26148b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // context, which contains actual instantiations, to find the 26158b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // instantiation of the "current instantiation" that D refers 26168b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // to. 26178b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor bool SawNonDependentContext = false; 26181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (DeclContext *DC = CurContext; !DC->isFileContext(); 261952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall DC = DC->getParent()) { 26201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ClassTemplateSpecializationDecl *Spec 26218b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor = dyn_cast<ClassTemplateSpecializationDecl>(DC)) 2622e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor if (isInstantiationOf(ClassTemplate, 2623e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor Spec->getSpecializedTemplate())) 262452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return Spec; 26258b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor 26268b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor if (!DC->isDependentContext()) 26278b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor SawNonDependentContext = true; 262852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall } 262952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 26308b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // We're performing "instantiation" of a member of the current 26318b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // instantiation while we are type-checking the 26328b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // definition. Compute the declaration context and return that. 26338b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor assert(!SawNonDependentContext && 26348b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor "No dependent context while instantiating record"); 26358b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor DeclContext *DC = computeDeclContext(T); 26368b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor assert(DC && 263752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall "Unable to find declaration for the current instantiation"); 26388b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor return cast<CXXRecordDecl>(DC); 263952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall } 26408b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor 2641e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor // Fall through to deal with other dependent record types (e.g., 2642e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor // anonymous unions in class templates). 2643e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor } 264452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 2645e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor if (!ParentDC->isDependentContext()) 2646e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor return D; 2647e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor 26487c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor ParentDC = FindInstantiatedContext(Loc, ParentDC, TemplateArgs); 26491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!ParentDC) 265044c73848d5d5bd34c05582dc8398a20bea7cd971Douglas Gregor return 0; 26511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2652815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor if (ParentDC != D->getDeclContext()) { 2653815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // We performed some kind of instantiation in the parent context, 2654815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // so now we need to look into the instantiated parent context to 2655815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // find the instantiation of the declaration D. 26567c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor 26573cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall // If our context used to be dependent, we may need to instantiate 26583cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall // it before performing lookup into that context. 26593cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (CXXRecordDecl *Spec = dyn_cast<CXXRecordDecl>(ParentDC)) { 26607c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor if (!Spec->isDependentContext()) { 26617c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor QualType T = Context.getTypeDeclType(Spec); 26623cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const RecordType *Tag = T->getAs<RecordType>(); 26633cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(Tag && "type of non-dependent record is not a RecordType"); 26643cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (!Tag->isBeingDefined() && 26653cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall RequireCompleteType(Loc, T, diag::err_incomplete_type)) 26663cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return 0; 26677c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor } 26687c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor } 26697c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor 2670815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor NamedDecl *Result = 0; 2671815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor if (D->getDeclName()) { 267217945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis DeclContext::lookup_result Found = ParentDC->lookup(D->getDeclName()); 2673815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor Result = findInstantiationOf(Context, D, Found.first, Found.second); 2674815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor } else { 2675815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // Since we don't have a name for the entity we're looking for, 2676815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // our only option is to walk through all of the declarations to 2677815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // find that name. This will occur in a few cases: 2678815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // 2679815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // - anonymous struct/union within a template 2680815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // - unnamed class/struct/union/enum within a template 2681815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // 2682815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // FIXME: Find a better way to find these instantiations! 26831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Result = findInstantiationOf(Context, D, 268417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis ParentDC->decls_begin(), 268517945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis ParentDC->decls_end()); 2686815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor } 26871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26889f54ad4381370c6b771424b53d219e661d6d6706John McCall // UsingShadowDecls can instantiate to nothing because of using hiding. 268900225547b51b42f7400eed36475b6672418a1151Douglas Gregor assert((Result || isa<UsingShadowDecl>(D) || D->isInvalidDecl() || 269000225547b51b42f7400eed36475b6672418a1151Douglas Gregor cast<Decl>(ParentDC)->isInvalidDecl()) 26919f54ad4381370c6b771424b53d219e661d6d6706John McCall && "Unable to find instantiation of declaration!"); 26929f54ad4381370c6b771424b53d219e661d6d6706John McCall 2693815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor D = Result; 2694815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor } 2695815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 2696815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor return D; 2697815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor} 2698d7f37bf8b9a211455c5037df7b7e88e5a9510119Douglas Gregor 26991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// \brief Performs template instantiation for all implicit template 2700d7f37bf8b9a211455c5037df7b7e88e5a9510119Douglas Gregor/// instantiations we have seen until this point. 270160406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregorvoid Sema::PerformPendingImplicitInstantiations(bool LocalOnly) { 270260406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor while (!PendingLocalImplicitInstantiations.empty() || 270360406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor (!LocalOnly && !PendingImplicitInstantiations.empty())) { 270460406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor PendingImplicitInstantiation Inst; 270560406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor 270660406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor if (PendingLocalImplicitInstantiations.empty()) { 270760406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor Inst = PendingImplicitInstantiations.front(); 270860406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor PendingImplicitInstantiations.pop_front(); 270960406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor } else { 271060406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor Inst = PendingLocalImplicitInstantiations.front(); 271160406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor PendingLocalImplicitInstantiations.pop_front(); 271260406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor } 27131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27147caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // Instantiate function definitions 27157caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (FunctionDecl *Function = dyn_cast<FunctionDecl>(Inst.first)) { 2716d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall PrettyStackTraceActionsDecl CrashInfo(Function, 2717c17fb7bd9a06b027c792c7dfad7e9fa430277affAnders Carlsson Function->getLocation(), *this, 2718c17fb7bd9a06b027c792c7dfad7e9fa430277affAnders Carlsson Context.getSourceManager(), 2719c17fb7bd9a06b027c792c7dfad7e9fa430277affAnders Carlsson "instantiating function definition"); 27201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27216cfacfe54c75baa4d67f1fbdf4f80644b662818eDouglas Gregor InstantiateFunctionDefinition(/*FIXME:*/Inst.second, Function, true); 27227caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor continue; 27237caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor } 27241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27257caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // Instantiate static data member definitions. 27267caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor VarDecl *Var = cast<VarDecl>(Inst.first); 27277caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Var->isStaticDataMember() && "Not a static data member?"); 2728c17fb7bd9a06b027c792c7dfad7e9fa430277affAnders Carlsson 2729291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth // Don't try to instantiate declarations if the most recent redeclaration 2730291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth // is invalid. 2731291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth if (Var->getMostRecentDeclaration()->isInvalidDecl()) 2732291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth continue; 2733291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth 2734291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth // Check if the most recent declaration has changed the specialization kind 2735291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth // and removed the need for implicit instantiation. 2736291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth switch (Var->getMostRecentDeclaration()->getTemplateSpecializationKind()) { 2737291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth case TSK_Undeclared: 2738291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth assert(false && "Cannot instantitiate an undeclared specialization."); 2739291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth case TSK_ExplicitInstantiationDeclaration: 2740291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth case TSK_ExplicitInstantiationDefinition: 2741291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth case TSK_ExplicitSpecialization: 2742291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth continue; // No longer need implicit instantiation. 2743291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth case TSK_ImplicitInstantiation: 2744291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth break; 2745291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth } 2746291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth 2747d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall PrettyStackTraceActionsDecl CrashInfo(Var, Var->getLocation(), *this, 2748c17fb7bd9a06b027c792c7dfad7e9fa430277affAnders Carlsson Context.getSourceManager(), 2749c17fb7bd9a06b027c792c7dfad7e9fa430277affAnders Carlsson "instantiating static data member " 2750c17fb7bd9a06b027c792c7dfad7e9fa430277affAnders Carlsson "definition"); 27511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27527caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor InstantiateStaticDataMemberDefinition(/*FIXME:*/Inst.second, Var, true); 2753d7f37bf8b9a211455c5037df7b7e88e5a9510119Douglas Gregor } 2754d7f37bf8b9a211455c5037df7b7e88e5a9510119Douglas Gregor} 27550c01d18094100db92d38daa923c95661512db203John McCall 27560c01d18094100db92d38daa923c95661512db203John McCallvoid Sema::PerformDependentDiagnostics(const DeclContext *Pattern, 27570c01d18094100db92d38daa923c95661512db203John McCall const MultiLevelTemplateArgumentList &TemplateArgs) { 27580c01d18094100db92d38daa923c95661512db203John McCall for (DeclContext::ddiag_iterator I = Pattern->ddiag_begin(), 27590c01d18094100db92d38daa923c95661512db203John McCall E = Pattern->ddiag_end(); I != E; ++I) { 27600c01d18094100db92d38daa923c95661512db203John McCall DependentDiagnostic *DD = *I; 27610c01d18094100db92d38daa923c95661512db203John McCall 27620c01d18094100db92d38daa923c95661512db203John McCall switch (DD->getKind()) { 27630c01d18094100db92d38daa923c95661512db203John McCall case DependentDiagnostic::Access: 27640c01d18094100db92d38daa923c95661512db203John McCall HandleDependentAccessCheck(*DD, TemplateArgs); 27650c01d18094100db92d38daa923c95661512db203John McCall break; 27660c01d18094100db92d38daa923c95661512db203John McCall } 27670c01d18094100db92d38daa923c95661512db203John McCall } 27680c01d18094100db92d38daa923c95661512db203John McCall} 2769