SemaTemplateInstantiateDecl.cpp revision b99268b3083c882103bd1bd08bdcc9a76a2b4795
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//===----------------------------------------------------------------------===/ 122d88708cbe4e4ec5e04e4acb6bd7f5be68557379John McCall#include "clang/Sema/SemaInternal.h" 13e737f5041a36d0befb39ffeed8d50ba15916d3daDouglas Gregor#include "clang/Sema/Lookup.h" 14f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall#include "clang/Sema/PrettyDeclStackTrace.h" 157cd088e519d7e6caa4c4c12db52e0e4ae35d25c2John McCall#include "clang/Sema/Template.h" 16aba43bb13b3aa3e81990989375fba3a902bfe1c2Douglas Gregor#include "clang/AST/ASTConsumer.h" 178dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor#include "clang/AST/ASTContext.h" 188dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor#include "clang/AST/DeclTemplate.h" 198dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor#include "clang/AST/DeclVisitor.h" 200c01d18094100db92d38daa923c95661512db203John McCall#include "clang/AST/DependentDiagnostic.h" 218dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor#include "clang/AST/Expr.h" 22a88cfbfac9bbcbb9858f048d6d73a48711d8e93dDouglas Gregor#include "clang/AST/ExprCXX.h" 2321ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall#include "clang/AST/TypeLoc.h" 2483ddad3ab513f5d73698cf9fbeb4ed3f011bc3b9Douglas Gregor#include "clang/Lex/Preprocessor.h" 258dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 268dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregorusing namespace clang; 278dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 28b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCallbool TemplateDeclInstantiator::SubstQualifier(const DeclaratorDecl *OldDecl, 29b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall DeclaratorDecl *NewDecl) { 30b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall NestedNameSpecifier *OldQual = OldDecl->getQualifier(); 31b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (!OldQual) return false; 32b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 33b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall SourceRange QualRange = OldDecl->getQualifierRange(); 34b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 35b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall NestedNameSpecifier *NewQual 36b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall = SemaRef.SubstNestedNameSpecifier(OldQual, QualRange, TemplateArgs); 37b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (!NewQual) 38b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall return true; 39b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 40b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall NewDecl->setQualifierInfo(NewQual, QualRange); 41b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall return false; 42b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall} 43b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 44b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCallbool TemplateDeclInstantiator::SubstQualifier(const TagDecl *OldDecl, 45b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall TagDecl *NewDecl) { 46b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall NestedNameSpecifier *OldQual = OldDecl->getQualifier(); 47b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (!OldQual) return false; 48b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 49b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall SourceRange QualRange = OldDecl->getQualifierRange(); 50b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 51b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall NestedNameSpecifier *NewQual 52b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall = SemaRef.SubstNestedNameSpecifier(OldQual, QualRange, TemplateArgs); 53b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (!NewQual) 54b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall return true; 55b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 56b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall NewDecl->setQualifierInfo(NewQual, QualRange); 57b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall return false; 58b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall} 59b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 604ced79f0971592e6e7122037de69ee9ae534ce72Chandler Carruth// FIXME: Is this still too simple? 611d8d1ccd36888f1120b3a1df9e76f35dc2edb81dJohn McCallvoid Sema::InstantiateAttrs(const MultiLevelTemplateArgumentList &TemplateArgs, 621d8d1ccd36888f1120b3a1df9e76f35dc2edb81dJohn McCall Decl *Tmpl, Decl *New) { 63cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt for (AttrVec::const_iterator i = Tmpl->attr_begin(), e = Tmpl->attr_end(); 64cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt i != e; ++i) { 65cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt const Attr *TmplAttr = *i; 664ced79f0971592e6e7122037de69ee9ae534ce72Chandler Carruth // FIXME: This should be generalized to more than just the AlignedAttr. 674ced79f0971592e6e7122037de69ee9ae534ce72Chandler Carruth if (const AlignedAttr *Aligned = dyn_cast<AlignedAttr>(TmplAttr)) { 68cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt if (Aligned->isAlignmentDependent()) { 694ced79f0971592e6e7122037de69ee9ae534ce72Chandler Carruth // The alignment expression is not potentially evaluated. 701d8d1ccd36888f1120b3a1df9e76f35dc2edb81dJohn McCall EnterExpressionEvaluationContext Unevaluated(*this, 71f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::Unevaluated); 724ced79f0971592e6e7122037de69ee9ae534ce72Chandler Carruth 73cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt if (Aligned->isAlignmentExpr()) { 7460d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Result = SubstExpr(Aligned->getAlignmentExpr(), 757663f396651716c82280f8fdcf97ad8e27c1ce5aNick Lewycky TemplateArgs); 76cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt if (!Result.isInvalid()) 77cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt AddAlignedAttr(Aligned->getLocation(), New, Result.takeAs<Expr>()); 78cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt } 79cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt else { 80cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt TypeSourceInfo *Result = SubstType(Aligned->getAlignmentType(), 817663f396651716c82280f8fdcf97ad8e27c1ce5aNick Lewycky TemplateArgs, 827663f396651716c82280f8fdcf97ad8e27c1ce5aNick Lewycky Aligned->getLocation(), 837663f396651716c82280f8fdcf97ad8e27c1ce5aNick Lewycky DeclarationName()); 84cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt if (Result) 85cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt AddAlignedAttr(Aligned->getLocation(), New, Result); 86cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt } 874ced79f0971592e6e7122037de69ee9ae534ce72Chandler Carruth continue; 884ced79f0971592e6e7122037de69ee9ae534ce72Chandler Carruth } 894ced79f0971592e6e7122037de69ee9ae534ce72Chandler Carruth } 904ced79f0971592e6e7122037de69ee9ae534ce72Chandler Carruth 91d8fe2d56fb5463c9d109e8c6dab2e98b06bee186Anders Carlsson // FIXME: Is cloning correct for all attributes? 921d8d1ccd36888f1120b3a1df9e76f35dc2edb81dJohn McCall Attr *NewAttr = TmplAttr->clone(Context); 93d8fe2d56fb5463c9d109e8c6dab2e98b06bee186Anders Carlsson New->addAttr(NewAttr); 94d8fe2d56fb5463c9d109e8c6dab2e98b06bee186Anders Carlsson } 95d8fe2d56fb5463c9d109e8c6dab2e98b06bee186Anders Carlsson} 96d8fe2d56fb5463c9d109e8c6dab2e98b06bee186Anders Carlsson 974f722be4587a7a0dece399fb5405dda158971ae1Douglas GregorDecl * 984f722be4587a7a0dece399fb5405dda158971ae1Douglas GregorTemplateDeclInstantiator::VisitTranslationUnitDecl(TranslationUnitDecl *D) { 994f722be4587a7a0dece399fb5405dda158971ae1Douglas Gregor assert(false && "Translation units cannot be instantiated"); 1004f722be4587a7a0dece399fb5405dda158971ae1Douglas Gregor return D; 1014f722be4587a7a0dece399fb5405dda158971ae1Douglas Gregor} 1024f722be4587a7a0dece399fb5405dda158971ae1Douglas Gregor 1034f722be4587a7a0dece399fb5405dda158971ae1Douglas GregorDecl * 1044f722be4587a7a0dece399fb5405dda158971ae1Douglas GregorTemplateDeclInstantiator::VisitNamespaceDecl(NamespaceDecl *D) { 1054f722be4587a7a0dece399fb5405dda158971ae1Douglas Gregor assert(false && "Namespaces cannot be instantiated"); 1064f722be4587a7a0dece399fb5405dda158971ae1Douglas Gregor return D; 1074f722be4587a7a0dece399fb5405dda158971ae1Douglas Gregor} 1084f722be4587a7a0dece399fb5405dda158971ae1Douglas Gregor 1093dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCallDecl * 1103dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCallTemplateDeclInstantiator::VisitNamespaceAliasDecl(NamespaceAliasDecl *D) { 1113dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall NamespaceAliasDecl *Inst 1123dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall = NamespaceAliasDecl::Create(SemaRef.Context, Owner, 1133dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall D->getNamespaceLoc(), 1143dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall D->getAliasLoc(), 1153dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall D->getNamespace()->getIdentifier(), 1163dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall D->getQualifierRange(), 1173dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall D->getQualifier(), 1183dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall D->getTargetNameLoc(), 1193dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall D->getNamespace()); 1203dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall Owner->addDecl(Inst); 1213dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall return Inst; 1223dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall} 1233dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall 1248dbc2694424b4e842b1d5ea39744a137b58600c3Douglas GregorDecl *TemplateDeclInstantiator::VisitTypedefDecl(TypedefDecl *D) { 1258dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor bool Invalid = false; 126a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = D->getTypeSourceInfo(); 127836adf6771d5170d936599dfcce21687e37e9bbfDouglas Gregor if (DI->getType()->isDependentType() || 128836adf6771d5170d936599dfcce21687e37e9bbfDouglas Gregor DI->getType()->isVariablyModifiedType()) { 129ba6a9bd384df475780be636ca45bcef5c5bbd19fJohn McCall DI = SemaRef.SubstType(DI, TemplateArgs, 130ba6a9bd384df475780be636ca45bcef5c5bbd19fJohn McCall D->getLocation(), D->getDeclName()); 131ba6a9bd384df475780be636ca45bcef5c5bbd19fJohn McCall if (!DI) { 1328dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Invalid = true; 133a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall DI = SemaRef.Context.getTrivialTypeSourceInfo(SemaRef.Context.IntTy); 1348dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 135b4eeaff1595b7d0a8fbc2b3c8bec7dc63f48b7fdDouglas Gregor } else { 136b4eeaff1595b7d0a8fbc2b3c8bec7dc63f48b7fdDouglas Gregor SemaRef.MarkDeclarationsReferencedInType(D->getLocation(), DI->getType()); 1378dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 1381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1398dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // Create the new typedef 1408dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor TypedefDecl *Typedef 1418dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor = TypedefDecl::Create(SemaRef.Context, Owner, D->getLocation(), 142ba6a9bd384df475780be636ca45bcef5c5bbd19fJohn McCall D->getIdentifier(), DI); 1438dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor if (Invalid) 1448dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Typedef->setInvalidDecl(); 1458dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 146d57a38ee02c285d69d05fed6df0d7406b2517888Douglas Gregor if (const TagType *TT = DI->getType()->getAs<TagType>()) { 147d57a38ee02c285d69d05fed6df0d7406b2517888Douglas Gregor TagDecl *TD = TT->getDecl(); 148d57a38ee02c285d69d05fed6df0d7406b2517888Douglas Gregor 149d57a38ee02c285d69d05fed6df0d7406b2517888Douglas Gregor // If the TagDecl that the TypedefDecl points to is an anonymous decl 150d57a38ee02c285d69d05fed6df0d7406b2517888Douglas Gregor // keep track of the TypedefDecl. 151d57a38ee02c285d69d05fed6df0d7406b2517888Douglas Gregor if (!TD->getIdentifier() && !TD->getTypedefForAnonDecl()) 152d57a38ee02c285d69d05fed6df0d7406b2517888Douglas Gregor TD->setTypedefForAnonDecl(Typedef); 153d57a38ee02c285d69d05fed6df0d7406b2517888Douglas Gregor } 154d57a38ee02c285d69d05fed6df0d7406b2517888Douglas Gregor 1555126fd0dd92c4ec211c837ee78d5ce59c68dcbd5John McCall if (TypedefDecl *Prev = D->getPreviousDeclaration()) { 1567c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor NamedDecl *InstPrev = SemaRef.FindInstantiatedDecl(D->getLocation(), Prev, 1577c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor TemplateArgs); 1585126fd0dd92c4ec211c837ee78d5ce59c68dcbd5John McCall Typedef->setPreviousDeclaration(cast<TypedefDecl>(InstPrev)); 1595126fd0dd92c4ec211c837ee78d5ce59c68dcbd5John McCall } 1605126fd0dd92c4ec211c837ee78d5ce59c68dcbd5John McCall 1611d8d1ccd36888f1120b3a1df9e76f35dc2edb81dJohn McCall SemaRef.InstantiateAttrs(TemplateArgs, D, Typedef); 162d57a38ee02c285d69d05fed6df0d7406b2517888Douglas Gregor 16346460a68f6508775e98c19b4bb8454bb471aac24John McCall Typedef->setAccess(D->getAccess()); 16417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis Owner->addDecl(Typedef); 1651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1668dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor return Typedef; 1678dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor} 1688dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 1696eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor/// \brief Instantiate the arguments provided as part of initialization. 1706eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor/// 1716eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor/// \returns true if an error occurred, false otherwise. 1726eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregorstatic bool InstantiateInitializationArguments(Sema &SemaRef, 1736eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor Expr **Args, unsigned NumArgs, 1746eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor const MultiLevelTemplateArgumentList &TemplateArgs, 175ca0408fb49c1370430672acf2d770b7151cf71deJohn McCall ASTOwningVector<Expr*> &InitArgs) { 1766eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor for (unsigned I = 0; I != NumArgs; ++I) { 1776eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor // When we hit the first defaulted argument, break out of the loop: 1786eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor // we don't pass those default arguments on. 1796eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor if (Args[I]->isDefaultArgument()) 1806eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor break; 1816eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor 18260d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Arg = SemaRef.SubstExpr(Args[I], TemplateArgs); 1836eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor if (Arg.isInvalid()) 1846eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor return true; 1856eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor 1866eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor InitArgs.push_back(Arg.release()); 1876eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor } 1886eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor 1896eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor return false; 1906eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor} 1916eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor 1926b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// \brief Instantiate an initializer, breaking it into separate 1936b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// initialization arguments. 1946b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// 1956b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// \param S The semantic analysis object. 1966b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// 1976b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// \param Init The initializer to instantiate. 1986b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// 1996b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// \param TemplateArgs Template arguments to be substituted into the 2006b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// initializer. 2016b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// 2026b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// \param NewArgs Will be filled in with the instantiation arguments. 2036b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// 2046b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// \returns true if an error occurred, false otherwise 2056b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregorstatic bool InstantiateInitializer(Sema &S, Expr *Init, 2066b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor const MultiLevelTemplateArgumentList &TemplateArgs, 2076b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor SourceLocation &LParenLoc, 2087663f396651716c82280f8fdcf97ad8e27c1ce5aNick Lewycky ASTOwningVector<Expr*> &NewArgs, 2096b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor SourceLocation &RParenLoc) { 2106b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor NewArgs.clear(); 2116b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor LParenLoc = SourceLocation(); 2126b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor RParenLoc = SourceLocation(); 2136b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 2146b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (!Init) 2156b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor return false; 2166b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 2174765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall if (ExprWithCleanups *ExprTemp = dyn_cast<ExprWithCleanups>(Init)) 2186b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor Init = ExprTemp->getSubExpr(); 2196b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 2206b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor while (CXXBindTemporaryExpr *Binder = dyn_cast<CXXBindTemporaryExpr>(Init)) 2216b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor Init = Binder->getSubExpr(); 2226b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 2236b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(Init)) 2246b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor Init = ICE->getSubExprAsWritten(); 2256b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 2266b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (ParenListExpr *ParenList = dyn_cast<ParenListExpr>(Init)) { 2276b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor LParenLoc = ParenList->getLParenLoc(); 2286b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor RParenLoc = ParenList->getRParenLoc(); 2296b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor return InstantiateInitializationArguments(S, ParenList->getExprs(), 2306b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor ParenList->getNumExprs(), 231a1a04786cea2445759026edacd096abd1fbf4a05Douglas Gregor TemplateArgs, NewArgs); 2326b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor } 2336b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 2346b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (CXXConstructExpr *Construct = dyn_cast<CXXConstructExpr>(Init)) { 23528329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor if (!isa<CXXTemporaryObjectExpr>(Construct)) { 23628329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor if (InstantiateInitializationArguments(S, 23728329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor Construct->getArgs(), 23828329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor Construct->getNumArgs(), 239a1a04786cea2445759026edacd096abd1fbf4a05Douglas Gregor TemplateArgs, NewArgs)) 24028329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor return true; 24128329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor 24228329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor // FIXME: Fake locations! 24328329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor LParenLoc = S.PP.getLocForEndOfToken(Init->getLocStart()); 244a1a04786cea2445759026edacd096abd1fbf4a05Douglas Gregor RParenLoc = LParenLoc; 24528329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor return false; 24628329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor } 2476b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor } 2486b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 24960d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Result = S.SubstExpr(Init, TemplateArgs); 2506b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (Result.isInvalid()) 2516b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor return true; 2526b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 2536b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor NewArgs.push_back(Result.takeAs<Expr>()); 2546b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor return false; 2556b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor} 2566b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 2573d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas GregorDecl *TemplateDeclInstantiator::VisitVarDecl(VarDecl *D) { 2589901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor // If this is the variable for an anonymous struct or union, 2599901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor // instantiate the anonymous struct/union type first. 2609901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor if (const RecordType *RecordTy = D->getType()->getAs<RecordType>()) 2619901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor if (RecordTy->getDecl()->isAnonymousStructOrUnion()) 2629901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor if (!VisitCXXRecordDecl(cast<CXXRecordDecl>(RecordTy->getDecl()))) 2639901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor return 0; 2649901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor 265ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCall // Do substitution on the type of the declaration 266a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = SemaRef.SubstType(D->getTypeSourceInfo(), 2670a5fa06a688e1086ea553a24b42b9915996ed1f7John McCall TemplateArgs, 2680a5fa06a688e1086ea553a24b42b9915996ed1f7John McCall D->getTypeSpecStartLoc(), 2690a5fa06a688e1086ea553a24b42b9915996ed1f7John McCall D->getDeclName()); 2700a5fa06a688e1086ea553a24b42b9915996ed1f7John McCall if (!DI) 2713d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor return 0; 2723d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor 273c6dbc3fa467e2355b678a6b717534928048efcb2Douglas Gregor if (DI->getType()->isFunctionType()) { 274c6dbc3fa467e2355b678a6b717534928048efcb2Douglas Gregor SemaRef.Diag(D->getLocation(), diag::err_variable_instantiates_to_function) 275c6dbc3fa467e2355b678a6b717534928048efcb2Douglas Gregor << D->isStaticDataMember() << DI->getType(); 276c6dbc3fa467e2355b678a6b717534928048efcb2Douglas Gregor return 0; 277c6dbc3fa467e2355b678a6b717534928048efcb2Douglas Gregor } 278c6dbc3fa467e2355b678a6b717534928048efcb2Douglas Gregor 279b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor // Build the instantiated declaration 2803d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor VarDecl *Var = VarDecl::Create(SemaRef.Context, Owner, 2813d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor D->getLocation(), D->getIdentifier(), 2820a5fa06a688e1086ea553a24b42b9915996ed1f7John McCall DI->getType(), DI, 28316573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor D->getStorageClass(), 28416573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor D->getStorageClassAsWritten()); 2853d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor Var->setThreadSpecified(D->isThreadSpecified()); 2863d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor Var->setCXXDirectInitializer(D->hasCXXDirectInitializer()); 2871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 288b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Substitute the nested name specifier, if any. 289b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (SubstQualifier(D, Var)) 290b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall return 0; 291b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 2921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If we are instantiating a static data member defined 2937caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // out-of-line, the instantiation will have the same lexical 2947caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // context (which will be a namespace scope) as the template. 2957caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (D->isOutOfLine()) 2967caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor Var->setLexicalDeclContext(D->getLexicalDeclContext()); 2971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29846460a68f6508775e98c19b4bb8454bb471aac24John McCall Var->setAccess(D->getAccess()); 299c070cc602d6eefea881f71a60de09e05b54c3fddDouglas Gregor 300c070cc602d6eefea881f71a60de09e05b54c3fddDouglas Gregor if (!D->isStaticDataMember()) 301c070cc602d6eefea881f71a60de09e05b54c3fddDouglas Gregor Var->setUsed(D->isUsed(false)); 3024469e8a97cdca3725b4f8f366916143113c029acDouglas Gregor 303390b4cc8b45a05612349269ef08faab3e4688f06Mike Stump // FIXME: In theory, we could have a previous declaration for variables that 304390b4cc8b45a05612349269ef08faab3e4688f06Mike Stump // are not static data members. 3053d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor bool Redeclaration = false; 3066826314938f8510cd1a6b03b5d032592456ae27bJohn McCall // FIXME: having to fake up a LookupResult is dumb. 3076826314938f8510cd1a6b03b5d032592456ae27bJohn McCall LookupResult Previous(SemaRef, Var->getDeclName(), Var->getLocation(), 308449d0a829007ea654912098e6a73134a2c529d61Douglas Gregor Sema::LookupOrdinaryName, Sema::ForRedeclaration); 30960c93c9981c467738369702e7aa23fd58c2b6aacDouglas Gregor if (D->isStaticDataMember()) 31060c93c9981c467738369702e7aa23fd58c2b6aacDouglas Gregor SemaRef.LookupQualifiedName(Previous, Owner, false); 3116826314938f8510cd1a6b03b5d032592456ae27bJohn McCall SemaRef.CheckVariableDeclaration(Var, Previous, Redeclaration); 3121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3137caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (D->isOutOfLine()) { 314ea7b4880bc07cd99b3994c2a95d722a06ab56594Abramo Bagnara if (!D->isStaticDataMember()) 315ea7b4880bc07cd99b3994c2a95d722a06ab56594Abramo Bagnara D->getLexicalDeclContext()->addDecl(Var); 3167caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor Owner->makeDeclVisibleInContext(Var); 3177caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor } else { 3187caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor Owner->addDecl(Var); 319f7d72f5a4a3f0e610d77c6779ca3c21920a14bc7Douglas Gregor if (Owner->isFunctionOrMethod()) 320f7d72f5a4a3f0e610d77c6779ca3c21920a14bc7Douglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal(D, Var); 3217caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor } 3221d8d1ccd36888f1120b3a1df9e76f35dc2edb81dJohn McCall SemaRef.InstantiateAttrs(TemplateArgs, D, Var); 3238dd0c5626455cdf94280783e85e413eed6cbf3d9Fariborz Jahanian 324251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor // Link instantiations of static data members back to the template from 325251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor // which they were instantiated. 326251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor if (Var->isStaticDataMember()) 327251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor SemaRef.Context.setInstantiatedFromStaticDataMember(Var, D, 328cf3293eaeb3853d12cff47e648bbe835004e929fDouglas Gregor TSK_ImplicitInstantiation); 329251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor 33060c93c9981c467738369702e7aa23fd58c2b6aacDouglas Gregor if (Var->getAnyInitializer()) { 33160c93c9981c467738369702e7aa23fd58c2b6aacDouglas Gregor // We already have an initializer in the class. 33260c93c9981c467738369702e7aa23fd58c2b6aacDouglas Gregor } else if (D->getInit()) { 3331f5f3a4d58a1c7c50c331b33329fc14563533c04Douglas Gregor if (Var->isStaticDataMember() && !D->isOutOfLine()) 3341f5f3a4d58a1c7c50c331b33329fc14563533c04Douglas Gregor SemaRef.PushExpressionEvaluationContext(Sema::Unevaluated); 3351f5f3a4d58a1c7c50c331b33329fc14563533c04Douglas Gregor else 3361f5f3a4d58a1c7c50c331b33329fc14563533c04Douglas Gregor SemaRef.PushExpressionEvaluationContext(Sema::PotentiallyEvaluated); 3371f5f3a4d58a1c7c50c331b33329fc14563533c04Douglas Gregor 3386b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor // Instantiate the initializer. 3396b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor SourceLocation LParenLoc, RParenLoc; 340ca0408fb49c1370430672acf2d770b7151cf71deJohn McCall ASTOwningVector<Expr*> InitArgs(SemaRef); 3416b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (!InstantiateInitializer(SemaRef, D->getInit(), TemplateArgs, LParenLoc, 342a1a04786cea2445759026edacd096abd1fbf4a05Douglas Gregor InitArgs, RParenLoc)) { 3436b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor // Attach the initializer to the declaration. 3446b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (D->hasCXXDirectInitializer()) { 3456eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor // Add the direct initializer to the declaration. 346d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall SemaRef.AddCXXDirectInitializerToDecl(Var, 3476b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor LParenLoc, 3486eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor move_arg(InitArgs), 3496b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor RParenLoc); 3506b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor } else if (InitArgs.size() == 1) { 3519ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Expr *Init = InitArgs.take()[0]; 3529ae2f076ca5ab1feb3ba95629099ec2319833701John McCall SemaRef.AddInitializerToDecl(Var, Init, false); 3536b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor } else { 3546b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor assert(InitArgs.size() == 0); 355d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall SemaRef.ActOnUninitializedDecl(Var, false); 35683ddad3ab513f5d73698cf9fbeb4ed3f011bc3b9Douglas Gregor } 3576eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor } else { 3586b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor // FIXME: Not too happy about invalidating the declaration 3596b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor // because of a bogus initializer. 3606b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor Var->setInvalidDecl(); 3616eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor } 3626eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor 3631f5f3a4d58a1c7c50c331b33329fc14563533c04Douglas Gregor SemaRef.PopExpressionEvaluationContext(); 36465b90055dd30cfb83d8344ff62ed428257431be4Douglas Gregor } else if (!Var->isStaticDataMember() || Var->isOutOfLine()) 365d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall SemaRef.ActOnUninitializedDecl(Var, false); 3663d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor 3675764f613e61cb3183f3d7ceeafd23396de96ed16Douglas Gregor // Diagnose unused local variables. 3685764f613e61cb3183f3d7ceeafd23396de96ed16Douglas Gregor if (!Var->isInvalidDecl() && Owner->isFunctionOrMethod() && !Var->isUsed()) 3695764f613e61cb3183f3d7ceeafd23396de96ed16Douglas Gregor SemaRef.DiagnoseUnusedDecl(Var); 370bbc6454bb98d6a6ecbaafa715222c5db834307f2Argyrios Kyrtzidis 3713d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor return Var; 3723d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor} 3733d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor 3746206d53f67613958ae1b023aba337ebb46f11a8bAbramo BagnaraDecl *TemplateDeclInstantiator::VisitAccessSpecDecl(AccessSpecDecl *D) { 3756206d53f67613958ae1b023aba337ebb46f11a8bAbramo Bagnara AccessSpecDecl* AD 3766206d53f67613958ae1b023aba337ebb46f11a8bAbramo Bagnara = AccessSpecDecl::Create(SemaRef.Context, D->getAccess(), Owner, 3776206d53f67613958ae1b023aba337ebb46f11a8bAbramo Bagnara D->getAccessSpecifierLoc(), D->getColonLoc()); 3786206d53f67613958ae1b023aba337ebb46f11a8bAbramo Bagnara Owner->addHiddenDecl(AD); 3796206d53f67613958ae1b023aba337ebb46f11a8bAbramo Bagnara return AD; 3806206d53f67613958ae1b023aba337ebb46f11a8bAbramo Bagnara} 3816206d53f67613958ae1b023aba337ebb46f11a8bAbramo Bagnara 3828dbc2694424b4e842b1d5ea39744a137b58600c3Douglas GregorDecl *TemplateDeclInstantiator::VisitFieldDecl(FieldDecl *D) { 3838dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor bool Invalid = false; 384a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = D->getTypeSourceInfo(); 385836adf6771d5170d936599dfcce21687e37e9bbfDouglas Gregor if (DI->getType()->isDependentType() || 386836adf6771d5170d936599dfcce21687e37e9bbfDouglas Gregor DI->getType()->isVariablyModifiedType()) { 38707fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall DI = SemaRef.SubstType(DI, TemplateArgs, 38807fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall D->getLocation(), D->getDeclName()); 38907fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall if (!DI) { 390a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall DI = D->getTypeSourceInfo(); 39107fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall Invalid = true; 39207fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall } else if (DI->getType()->isFunctionType()) { 3938dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // C++ [temp.arg.type]p3: 3948dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // If a declaration acquires a function type through a type 3958dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // dependent on a template-parameter and this causes a 3968dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // declaration that does not use the syntactic form of a 3978dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // function declarator to have function type, the program is 3988dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // ill-formed. 3998dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor SemaRef.Diag(D->getLocation(), diag::err_field_instantiates_to_function) 40007fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall << DI->getType(); 4018dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Invalid = true; 4028dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 403b4eeaff1595b7d0a8fbc2b3c8bec7dc63f48b7fdDouglas Gregor } else { 404b4eeaff1595b7d0a8fbc2b3c8bec7dc63f48b7fdDouglas Gregor SemaRef.MarkDeclarationsReferencedInType(D->getLocation(), DI->getType()); 4058dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 4068dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 4078dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Expr *BitWidth = D->getBitWidth(); 4088dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor if (Invalid) 4098dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor BitWidth = 0; 4108dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor else if (BitWidth) { 411ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor // The bit-width expression is not potentially evaluated. 412f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall EnterExpressionEvaluationContext Unevaluated(SemaRef, Sema::Unevaluated); 4131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41460d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult InstantiatedBitWidth 415ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCall = SemaRef.SubstExpr(BitWidth, TemplateArgs); 4168dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor if (InstantiatedBitWidth.isInvalid()) { 4178dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Invalid = true; 4188dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor BitWidth = 0; 4198dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } else 420e9146f2e9f1c4e281544e8c080934c72d41012caAnders Carlsson BitWidth = InstantiatedBitWidth.takeAs<Expr>(); 4218dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 4228dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 42307fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall FieldDecl *Field = SemaRef.CheckFieldDecl(D->getDeclName(), 42407fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall DI->getType(), DI, 4251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump cast<RecordDecl>(Owner), 4268dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor D->getLocation(), 4278dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor D->isMutable(), 4288dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor BitWidth, 429ea218b8e8f9ba82d1c76bcb7e86d121a5f65ebedSteve Naroff D->getTypeSpecStartLoc(), 4308dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor D->getAccess(), 4318dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 0); 432663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor if (!Field) { 433663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor cast<Decl>(Owner)->setInvalidDecl(); 434f4b5f5c6a1487317aab9aa30d97bccfd57c82c98Anders Carlsson return 0; 435663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor } 4361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4371d8d1ccd36888f1120b3a1df9e76f35dc2edb81dJohn McCall SemaRef.InstantiateAttrs(TemplateArgs, D, Field); 438d8fe2d56fb5463c9d109e8c6dab2e98b06bee186Anders Carlsson 439f4b5f5c6a1487317aab9aa30d97bccfd57c82c98Anders Carlsson if (Invalid) 440f4b5f5c6a1487317aab9aa30d97bccfd57c82c98Anders Carlsson Field->setInvalidDecl(); 4411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 442f4b5f5c6a1487317aab9aa30d97bccfd57c82c98Anders Carlsson if (!Field->getDeclName()) { 443f4b5f5c6a1487317aab9aa30d97bccfd57c82c98Anders Carlsson // Keep track of where this decl came from. 444f4b5f5c6a1487317aab9aa30d97bccfd57c82c98Anders Carlsson SemaRef.Context.setInstantiatedFromUnnamedFieldDecl(Field, D); 4459901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor } 4469901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor if (CXXRecordDecl *Parent= dyn_cast<CXXRecordDecl>(Field->getDeclContext())) { 4479901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor if (Parent->isAnonymousStructOrUnion() && 4487a126a474fdde06382b315b4e3d8ef0a21d4dc31Sebastian Redl Parent->getRedeclContext()->isFunctionOrMethod()) 4499901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal(D, Field); 4508dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 4511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 452f4b5f5c6a1487317aab9aa30d97bccfd57c82c98Anders Carlsson Field->setImplicit(D->isImplicit()); 45346460a68f6508775e98c19b4bb8454bb471aac24John McCall Field->setAccess(D->getAccess()); 454f4b5f5c6a1487317aab9aa30d97bccfd57c82c98Anders Carlsson Owner->addDecl(Field); 4558dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 4568dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor return Field; 4578dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor} 4588dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 45987c2e121cf0522fc266efe2922b58091cd2e0182Francois PichetDecl *TemplateDeclInstantiator::VisitIndirectFieldDecl(IndirectFieldDecl *D) { 46087c2e121cf0522fc266efe2922b58091cd2e0182Francois Pichet NamedDecl **NamedChain = 46187c2e121cf0522fc266efe2922b58091cd2e0182Francois Pichet new (SemaRef.Context)NamedDecl*[D->getChainingSize()]; 46287c2e121cf0522fc266efe2922b58091cd2e0182Francois Pichet 46387c2e121cf0522fc266efe2922b58091cd2e0182Francois Pichet int i = 0; 46487c2e121cf0522fc266efe2922b58091cd2e0182Francois Pichet for (IndirectFieldDecl::chain_iterator PI = 46587c2e121cf0522fc266efe2922b58091cd2e0182Francois Pichet D->chain_begin(), PE = D->chain_end(); 46687c2e121cf0522fc266efe2922b58091cd2e0182Francois Pichet PI != PE; ++PI) 46787c2e121cf0522fc266efe2922b58091cd2e0182Francois Pichet NamedChain[i++] = (SemaRef.FindInstantiatedDecl(D->getLocation(), 46887c2e121cf0522fc266efe2922b58091cd2e0182Francois Pichet *PI, TemplateArgs)); 46987c2e121cf0522fc266efe2922b58091cd2e0182Francois Pichet 47040e17752086c2c497951d64f5ac6ab5039466113Francois Pichet QualType T = cast<FieldDecl>(NamedChain[i-1])->getType(); 47187c2e121cf0522fc266efe2922b58091cd2e0182Francois Pichet IndirectFieldDecl* IndirectField 47287c2e121cf0522fc266efe2922b58091cd2e0182Francois Pichet = IndirectFieldDecl::Create(SemaRef.Context, Owner, D->getLocation(), 47340e17752086c2c497951d64f5ac6ab5039466113Francois Pichet D->getIdentifier(), T, 47487c2e121cf0522fc266efe2922b58091cd2e0182Francois Pichet NamedChain, D->getChainingSize()); 47587c2e121cf0522fc266efe2922b58091cd2e0182Francois Pichet 47687c2e121cf0522fc266efe2922b58091cd2e0182Francois Pichet 47787c2e121cf0522fc266efe2922b58091cd2e0182Francois Pichet IndirectField->setImplicit(D->isImplicit()); 47887c2e121cf0522fc266efe2922b58091cd2e0182Francois Pichet IndirectField->setAccess(D->getAccess()); 47987c2e121cf0522fc266efe2922b58091cd2e0182Francois Pichet Owner->addDecl(IndirectField); 48087c2e121cf0522fc266efe2922b58091cd2e0182Francois Pichet return IndirectField; 48187c2e121cf0522fc266efe2922b58091cd2e0182Francois Pichet} 48287c2e121cf0522fc266efe2922b58091cd2e0182Francois Pichet 48302cace78cf48cc26686bd5b07c78606abca13bcdJohn McCallDecl *TemplateDeclInstantiator::VisitFriendDecl(FriendDecl *D) { 48402cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall // Handle friend type expressions by simply substituting template 48506245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor // parameters into the pattern type and checking the result. 48632f2fb53d9d7c28c94d8569fd0fcf06cccee0c3dJohn McCall if (TypeSourceInfo *Ty = D->getFriendType()) { 48732f2fb53d9d7c28c94d8569fd0fcf06cccee0c3dJohn McCall TypeSourceInfo *InstTy = 48832f2fb53d9d7c28c94d8569fd0fcf06cccee0c3dJohn McCall SemaRef.SubstType(Ty, TemplateArgs, 48932f2fb53d9d7c28c94d8569fd0fcf06cccee0c3dJohn McCall D->getLocation(), DeclarationName()); 49006245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor if (!InstTy) 49106245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor return 0; 492fd810b1386ed29b250e7d522ea826a65c815e49dJohn McCall 49306245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor FriendDecl *FD = SemaRef.CheckFriendTypeDecl(D->getFriendLoc(), InstTy); 49406245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor if (!FD) 49506245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor return 0; 49606245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor 49706245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor FD->setAccess(AS_public); 4989a34edb710917798aa30263374f624f13b594605John McCall FD->setUnsupportedFriend(D->isUnsupportedFriend()); 49906245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor Owner->addDecl(FD); 50006245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor return FD; 50106245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor } 50206245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor 50306245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor NamedDecl *ND = D->getFriendDecl(); 50406245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor assert(ND && "friend decl must be a decl or a type!"); 50532f2fb53d9d7c28c94d8569fd0fcf06cccee0c3dJohn McCall 506af2094e7cecadf36667deb61a83587ffdd979bd3John McCall // All of the Visit implementations for the various potential friend 507af2094e7cecadf36667deb61a83587ffdd979bd3John McCall // declarations have to be carefully written to work for friend 508af2094e7cecadf36667deb61a83587ffdd979bd3John McCall // objects, with the most important detail being that the target 509af2094e7cecadf36667deb61a83587ffdd979bd3John McCall // decl should almost certainly not be placed in Owner. 510af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Decl *NewND = Visit(ND); 51106245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor if (!NewND) return 0; 5121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 51302cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall FriendDecl *FD = 51406245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor FriendDecl::Create(SemaRef.Context, Owner, D->getLocation(), 51506245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor cast<NamedDecl>(NewND), D->getFriendLoc()); 5165fee110ac106370f75592df024001de73edced2aJohn McCall FD->setAccess(AS_public); 5179a34edb710917798aa30263374f624f13b594605John McCall FD->setUnsupportedFriend(D->isUnsupportedFriend()); 51802cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall Owner->addDecl(FD); 51902cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall return FD; 520fd810b1386ed29b250e7d522ea826a65c815e49dJohn McCall} 521fd810b1386ed29b250e7d522ea826a65c815e49dJohn McCall 5228dbc2694424b4e842b1d5ea39744a137b58600c3Douglas GregorDecl *TemplateDeclInstantiator::VisitStaticAssertDecl(StaticAssertDecl *D) { 5238dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Expr *AssertExpr = D->getAssertExpr(); 5241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 525ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor // The expression in a static assertion is not potentially evaluated. 526f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall EnterExpressionEvaluationContext Unevaluated(SemaRef, Sema::Unevaluated); 5271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 52860d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult InstantiatedAssertExpr 529ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCall = SemaRef.SubstExpr(AssertExpr, TemplateArgs); 5308dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor if (InstantiatedAssertExpr.isInvalid()) 5318dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor return 0; 5328dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 53360d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Message(D->getMessage()); 5343fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall D->getMessage(); 535d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return SemaRef.ActOnStaticAssertDeclaration(D->getLocation(), 5369ae2f076ca5ab1feb3ba95629099ec2319833701John McCall InstantiatedAssertExpr.get(), 5379ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Message.get()); 5388dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor} 5398dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 5408dbc2694424b4e842b1d5ea39744a137b58600c3Douglas GregorDecl *TemplateDeclInstantiator::VisitEnumDecl(EnumDecl *D) { 5411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump EnumDecl *Enum = EnumDecl::Create(SemaRef.Context, Owner, 5428dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor D->getLocation(), D->getIdentifier(), 543741dd9a7e1d63e4e385b657e4ce11c5d96d44f72Douglas Gregor D->getTagKeywordLoc(), 544a88cefd266c428be33cc06f7e8b00ff8fc97c1ffAbramo Bagnara /*PrevDecl=*/0, D->isScoped(), 545a88cefd266c428be33cc06f7e8b00ff8fc97c1ffAbramo Bagnara D->isScopedUsingClassTag(), D->isFixed()); 5461274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor if (D->isFixed()) { 5471274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor if (TypeSourceInfo* TI = D->getIntegerTypeSourceInfo()) { 5481274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor // If we have type source information for the underlying type, it means it 5491274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor // has been explicitly set by the user. Perform substitution on it before 5501274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor // moving on. 5511274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor SourceLocation UnderlyingLoc = TI->getTypeLoc().getBeginLoc(); 5521274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor Enum->setIntegerTypeSourceInfo(SemaRef.SubstType(TI, 5531274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor TemplateArgs, 5541274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor UnderlyingLoc, 5551274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor DeclarationName())); 5561274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor 5571274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor if (!Enum->getIntegerTypeSourceInfo()) 5581274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor Enum->setIntegerType(SemaRef.Context.IntTy); 5591274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor } 5601274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor else { 5611274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor assert(!D->getIntegerType()->isDependentType() 5621274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor && "Dependent type without type source info"); 5631274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor Enum->setIntegerType(D->getIntegerType()); 5641274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor } 5651274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor } 5661274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor 5675b629aa86c987f276d00453b6c9ab8424f7903feJohn McCall SemaRef.InstantiateAttrs(TemplateArgs, D, Enum); 5685b629aa86c987f276d00453b6c9ab8424f7903feJohn McCall 5698dbc3c64965f99e48830885835b7d2fc26ec3cf5Douglas Gregor Enum->setInstantiationOfMemberEnum(D); 57006c0fecd197fef21e265a41bca8dc5022de1f864Douglas Gregor Enum->setAccess(D->getAccess()); 571b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (SubstQualifier(D, Enum)) return 0; 57217945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis Owner->addDecl(Enum); 5738dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Enum->startDefinition(); 5748dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 57596084f171f4824397dc48453146f0a9719cb9247Douglas Gregor if (D->getDeclContext()->isFunctionOrMethod()) 57696084f171f4824397dc48453146f0a9719cb9247Douglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal(D, Enum); 57796084f171f4824397dc48453146f0a9719cb9247Douglas Gregor 578d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall llvm::SmallVector<Decl*, 4> Enumerators; 5798dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 5808dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor EnumConstantDecl *LastEnumConst = 0; 58117945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (EnumDecl::enumerator_iterator EC = D->enumerator_begin(), 58217945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis ECEnd = D->enumerator_end(); 5838dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor EC != ECEnd; ++EC) { 5848dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // The specified value for the enumerator. 58560d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Value = SemaRef.Owned((Expr *)0); 586ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor if (Expr *UninstValue = EC->getInitExpr()) { 587ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor // The enumerator's value expression is not potentially evaluated. 5881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump EnterExpressionEvaluationContext Unevaluated(SemaRef, 589f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::Unevaluated); 5901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 591ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCall Value = SemaRef.SubstExpr(UninstValue, TemplateArgs); 592ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor } 5938dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 5948dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // Drop the initial value and continue. 5958dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor bool isInvalid = false; 5968dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor if (Value.isInvalid()) { 5978dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Value = SemaRef.Owned((Expr *)0); 5988dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor isInvalid = true; 5998dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 6008dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 6011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump EnumConstantDecl *EnumConst 6028dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor = SemaRef.CheckEnumConstant(Enum, LastEnumConst, 6038dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor EC->getLocation(), EC->getIdentifier(), 6049ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Value.get()); 6058dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 6068dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor if (isInvalid) { 6078dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor if (EnumConst) 6088dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor EnumConst->setInvalidDecl(); 6098dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Enum->setInvalidDecl(); 6108dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 6118dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 6128dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor if (EnumConst) { 6135b629aa86c987f276d00453b6c9ab8424f7903feJohn McCall SemaRef.InstantiateAttrs(TemplateArgs, *EC, EnumConst); 6145b629aa86c987f276d00453b6c9ab8424f7903feJohn McCall 6153b85ecf2049c8670eba30d0c06f28f64168af9b8John McCall EnumConst->setAccess(Enum->getAccess()); 61617945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis Enum->addDecl(EnumConst); 617d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Enumerators.push_back(EnumConst); 6188dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor LastEnumConst = EnumConst; 61996084f171f4824397dc48453146f0a9719cb9247Douglas Gregor 62096084f171f4824397dc48453146f0a9719cb9247Douglas Gregor if (D->getDeclContext()->isFunctionOrMethod()) { 62196084f171f4824397dc48453146f0a9719cb9247Douglas Gregor // If the enumeration is within a function or method, record the enum 62296084f171f4824397dc48453146f0a9719cb9247Douglas Gregor // constant as a local. 62396084f171f4824397dc48453146f0a9719cb9247Douglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal(*EC, EnumConst); 62496084f171f4824397dc48453146f0a9719cb9247Douglas Gregor } 6258dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 6268dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 6271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 628c6e35aae23bc3cea7daf5ee075fa695c01c0f66fMike Stump // FIXME: Fixup LBraceLoc and RBraceLoc 629fee13819693c8492f0c364bc704645e844ef737aEdward O'Callaghan // FIXME: Empty Scope and AttributeList (required to handle attribute packed). 630c6e35aae23bc3cea7daf5ee075fa695c01c0f66fMike Stump SemaRef.ActOnEnumBody(Enum->getLocation(), SourceLocation(), SourceLocation(), 631d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Enum, 632de7a0fcdf9f30cb5a97aab614f3975d93cd9926fEli Friedman Enumerators.data(), Enumerators.size(), 633fee13819693c8492f0c364bc704645e844ef737aEdward O'Callaghan 0, 0); 6348dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 6358dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor return Enum; 6368dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor} 6378dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 6386477b69cc93e0a0ff15036d60d604f3544da0f29Douglas GregorDecl *TemplateDeclInstantiator::VisitEnumConstantDecl(EnumConstantDecl *D) { 6396477b69cc93e0a0ff15036d60d604f3544da0f29Douglas Gregor assert(false && "EnumConstantDecls can only occur within EnumDecls."); 6406477b69cc93e0a0ff15036d60d604f3544da0f29Douglas Gregor return 0; 6416477b69cc93e0a0ff15036d60d604f3544da0f29Douglas Gregor} 6426477b69cc93e0a0ff15036d60d604f3544da0f29Douglas Gregor 643e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCallDecl *TemplateDeclInstantiator::VisitClassTemplateDecl(ClassTemplateDecl *D) { 64493ba8579c341d5329175f1413cdc3b35a36592d2John McCall bool isFriend = (D->getFriendObjectKind() != Decl::FOK_None); 64593ba8579c341d5329175f1413cdc3b35a36592d2John McCall 646550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // Create a local instantiation scope for this class template, which 647550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // will contain the instantiations of the template parameters. 6482a7fb27913999d132cf9e10e03dc5271faa2e9d3John McCall LocalInstantiationScope Scope(SemaRef); 649e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall TemplateParameterList *TempParams = D->getTemplateParameters(); 650ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCall TemplateParameterList *InstParams = SubstTemplateParams(TempParams); 6511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!InstParams) 652d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor return NULL; 653e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 654e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall CXXRecordDecl *Pattern = D->getTemplatedDecl(); 65593ba8579c341d5329175f1413cdc3b35a36592d2John McCall 65693ba8579c341d5329175f1413cdc3b35a36592d2John McCall // Instantiate the qualifier. We have to do this first in case 65793ba8579c341d5329175f1413cdc3b35a36592d2John McCall // we're a friend declaration, because if we are then we need to put 65893ba8579c341d5329175f1413cdc3b35a36592d2John McCall // the new declaration in the appropriate context. 65993ba8579c341d5329175f1413cdc3b35a36592d2John McCall NestedNameSpecifier *Qualifier = Pattern->getQualifier(); 66093ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (Qualifier) { 66193ba8579c341d5329175f1413cdc3b35a36592d2John McCall Qualifier = SemaRef.SubstNestedNameSpecifier(Qualifier, 66293ba8579c341d5329175f1413cdc3b35a36592d2John McCall Pattern->getQualifierRange(), 66393ba8579c341d5329175f1413cdc3b35a36592d2John McCall TemplateArgs); 66493ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (!Qualifier) return 0; 66593ba8579c341d5329175f1413cdc3b35a36592d2John McCall } 66693ba8579c341d5329175f1413cdc3b35a36592d2John McCall 66793ba8579c341d5329175f1413cdc3b35a36592d2John McCall CXXRecordDecl *PrevDecl = 0; 66893ba8579c341d5329175f1413cdc3b35a36592d2John McCall ClassTemplateDecl *PrevClassTemplate = 0; 66993ba8579c341d5329175f1413cdc3b35a36592d2John McCall 67037574f55cd637340f651330f5cfda69742880d36Nick Lewycky if (!isFriend && Pattern->getPreviousDeclaration()) { 67137574f55cd637340f651330f5cfda69742880d36Nick Lewycky DeclContext::lookup_result Found = Owner->lookup(Pattern->getDeclName()); 67237574f55cd637340f651330f5cfda69742880d36Nick Lewycky if (Found.first != Found.second) { 67337574f55cd637340f651330f5cfda69742880d36Nick Lewycky PrevClassTemplate = dyn_cast<ClassTemplateDecl>(*Found.first); 67437574f55cd637340f651330f5cfda69742880d36Nick Lewycky if (PrevClassTemplate) 67537574f55cd637340f651330f5cfda69742880d36Nick Lewycky PrevDecl = PrevClassTemplate->getTemplatedDecl(); 67637574f55cd637340f651330f5cfda69742880d36Nick Lewycky } 67737574f55cd637340f651330f5cfda69742880d36Nick Lewycky } 67837574f55cd637340f651330f5cfda69742880d36Nick Lewycky 67993ba8579c341d5329175f1413cdc3b35a36592d2John McCall // If this isn't a friend, then it's a member template, in which 68093ba8579c341d5329175f1413cdc3b35a36592d2John McCall // case we just want to build the instantiation in the 68193ba8579c341d5329175f1413cdc3b35a36592d2John McCall // specialization. If it is a friend, we want to build it in 68293ba8579c341d5329175f1413cdc3b35a36592d2John McCall // the appropriate context. 68393ba8579c341d5329175f1413cdc3b35a36592d2John McCall DeclContext *DC = Owner; 68493ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (isFriend) { 68593ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (Qualifier) { 68693ba8579c341d5329175f1413cdc3b35a36592d2John McCall CXXScopeSpec SS; 68793ba8579c341d5329175f1413cdc3b35a36592d2John McCall SS.setScopeRep(Qualifier); 68893ba8579c341d5329175f1413cdc3b35a36592d2John McCall SS.setRange(Pattern->getQualifierRange()); 68993ba8579c341d5329175f1413cdc3b35a36592d2John McCall DC = SemaRef.computeDeclContext(SS); 69093ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (!DC) return 0; 69193ba8579c341d5329175f1413cdc3b35a36592d2John McCall } else { 69293ba8579c341d5329175f1413cdc3b35a36592d2John McCall DC = SemaRef.FindInstantiatedContext(Pattern->getLocation(), 69393ba8579c341d5329175f1413cdc3b35a36592d2John McCall Pattern->getDeclContext(), 69493ba8579c341d5329175f1413cdc3b35a36592d2John McCall TemplateArgs); 69593ba8579c341d5329175f1413cdc3b35a36592d2John McCall } 69693ba8579c341d5329175f1413cdc3b35a36592d2John McCall 69793ba8579c341d5329175f1413cdc3b35a36592d2John McCall // Look for a previous declaration of the template in the owning 69893ba8579c341d5329175f1413cdc3b35a36592d2John McCall // context. 69993ba8579c341d5329175f1413cdc3b35a36592d2John McCall LookupResult R(SemaRef, Pattern->getDeclName(), Pattern->getLocation(), 70093ba8579c341d5329175f1413cdc3b35a36592d2John McCall Sema::LookupOrdinaryName, Sema::ForRedeclaration); 70193ba8579c341d5329175f1413cdc3b35a36592d2John McCall SemaRef.LookupQualifiedName(R, DC); 70293ba8579c341d5329175f1413cdc3b35a36592d2John McCall 70393ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (R.isSingleResult()) { 70493ba8579c341d5329175f1413cdc3b35a36592d2John McCall PrevClassTemplate = R.getAsSingle<ClassTemplateDecl>(); 70593ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (PrevClassTemplate) 70693ba8579c341d5329175f1413cdc3b35a36592d2John McCall PrevDecl = PrevClassTemplate->getTemplatedDecl(); 70793ba8579c341d5329175f1413cdc3b35a36592d2John McCall } 70893ba8579c341d5329175f1413cdc3b35a36592d2John McCall 70993ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (!PrevClassTemplate && Qualifier) { 71093ba8579c341d5329175f1413cdc3b35a36592d2John McCall SemaRef.Diag(Pattern->getLocation(), diag::err_not_tag_in_scope) 7111eabb7d0c30f6a876b0fd03ad4656c096c26b8d0Douglas Gregor << D->getTemplatedDecl()->getTagKind() << Pattern->getDeclName() << DC 7121eabb7d0c30f6a876b0fd03ad4656c096c26b8d0Douglas Gregor << Pattern->getQualifierRange(); 71393ba8579c341d5329175f1413cdc3b35a36592d2John McCall return 0; 71493ba8579c341d5329175f1413cdc3b35a36592d2John McCall } 71593ba8579c341d5329175f1413cdc3b35a36592d2John McCall 716c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor bool AdoptedPreviousTemplateParams = false; 71793ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (PrevClassTemplate) { 718c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor bool Complain = true; 719c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor 720c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor // HACK: libstdc++ 4.2.1 contains an ill-formed friend class 721c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor // template for struct std::tr1::__detail::_Map_base, where the 722c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor // template parameters of the friend declaration don't match the 723c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor // template parameters of the original declaration. In this one 724c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor // case, we don't complain about the ill-formed friend 725c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor // declaration. 726c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor if (isFriend && Pattern->getIdentifier() && 727c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor Pattern->getIdentifier()->isStr("_Map_base") && 728c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor DC->isNamespace() && 729c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor cast<NamespaceDecl>(DC)->getIdentifier() && 730c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor cast<NamespaceDecl>(DC)->getIdentifier()->isStr("__detail")) { 731c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor DeclContext *DCParent = DC->getParent(); 732c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor if (DCParent->isNamespace() && 733c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor cast<NamespaceDecl>(DCParent)->getIdentifier() && 734c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor cast<NamespaceDecl>(DCParent)->getIdentifier()->isStr("tr1")) { 735c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor DeclContext *DCParent2 = DCParent->getParent(); 736c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor if (DCParent2->isNamespace() && 737c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor cast<NamespaceDecl>(DCParent2)->getIdentifier() && 738c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor cast<NamespaceDecl>(DCParent2)->getIdentifier()->isStr("std") && 739c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor DCParent2->getParent()->isTranslationUnit()) 740c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor Complain = false; 741c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor } 742c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor } 743c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor 74493ba8579c341d5329175f1413cdc3b35a36592d2John McCall TemplateParameterList *PrevParams 74593ba8579c341d5329175f1413cdc3b35a36592d2John McCall = PrevClassTemplate->getTemplateParameters(); 74693ba8579c341d5329175f1413cdc3b35a36592d2John McCall 74793ba8579c341d5329175f1413cdc3b35a36592d2John McCall // Make sure the parameter lists match. 74893ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (!SemaRef.TemplateParameterListsAreEqual(InstParams, PrevParams, 749c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor Complain, 750c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor Sema::TPL_TemplateMatch)) { 751c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor if (Complain) 752c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor return 0; 753c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor 754c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor AdoptedPreviousTemplateParams = true; 755c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor InstParams = PrevParams; 756c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor } 75793ba8579c341d5329175f1413cdc3b35a36592d2John McCall 75893ba8579c341d5329175f1413cdc3b35a36592d2John McCall // Do some additional validation, then merge default arguments 75993ba8579c341d5329175f1413cdc3b35a36592d2John McCall // from the existing declarations. 760c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor if (!AdoptedPreviousTemplateParams && 761c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor SemaRef.CheckTemplateParameterList(InstParams, PrevParams, 76293ba8579c341d5329175f1413cdc3b35a36592d2John McCall Sema::TPC_ClassTemplate)) 76393ba8579c341d5329175f1413cdc3b35a36592d2John McCall return 0; 76493ba8579c341d5329175f1413cdc3b35a36592d2John McCall } 76593ba8579c341d5329175f1413cdc3b35a36592d2John McCall } 76693ba8579c341d5329175f1413cdc3b35a36592d2John McCall 767e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall CXXRecordDecl *RecordInst 76893ba8579c341d5329175f1413cdc3b35a36592d2John McCall = CXXRecordDecl::Create(SemaRef.Context, Pattern->getTagKind(), DC, 769e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall Pattern->getLocation(), Pattern->getIdentifier(), 77093ba8579c341d5329175f1413cdc3b35a36592d2John McCall Pattern->getTagKeywordLoc(), PrevDecl, 771f0510d49a6985e9284d30cfc36a0df2a6292a638Douglas Gregor /*DelayTypeCreation=*/true); 772e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 77393ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (Qualifier) 77493ba8579c341d5329175f1413cdc3b35a36592d2John McCall RecordInst->setQualifierInfo(Qualifier, Pattern->getQualifierRange()); 775b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 776e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall ClassTemplateDecl *Inst 77793ba8579c341d5329175f1413cdc3b35a36592d2John McCall = ClassTemplateDecl::Create(SemaRef.Context, DC, D->getLocation(), 77893ba8579c341d5329175f1413cdc3b35a36592d2John McCall D->getIdentifier(), InstParams, RecordInst, 77993ba8579c341d5329175f1413cdc3b35a36592d2John McCall PrevClassTemplate); 780e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall RecordInst->setDescribedClassTemplate(Inst); 781ea7390c7b384ce607bfc8fc13c01f37cfc3776f0John McCall 78293ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (isFriend) { 783ea7390c7b384ce607bfc8fc13c01f37cfc3776f0John McCall if (PrevClassTemplate) 784ea7390c7b384ce607bfc8fc13c01f37cfc3776f0John McCall Inst->setAccess(PrevClassTemplate->getAccess()); 785ea7390c7b384ce607bfc8fc13c01f37cfc3776f0John McCall else 786ea7390c7b384ce607bfc8fc13c01f37cfc3776f0John McCall Inst->setAccess(D->getAccess()); 787ea7390c7b384ce607bfc8fc13c01f37cfc3776f0John McCall 78893ba8579c341d5329175f1413cdc3b35a36592d2John McCall Inst->setObjectOfFriendDecl(PrevClassTemplate != 0); 78993ba8579c341d5329175f1413cdc3b35a36592d2John McCall // TODO: do we want to track the instantiation progeny of this 79093ba8579c341d5329175f1413cdc3b35a36592d2John McCall // friend target decl? 79193ba8579c341d5329175f1413cdc3b35a36592d2John McCall } else { 792e8c01bdb56549adcecd71ce39160eea54b2c51c8Douglas Gregor Inst->setAccess(D->getAccess()); 79337574f55cd637340f651330f5cfda69742880d36Nick Lewycky if (!PrevClassTemplate) 79437574f55cd637340f651330f5cfda69742880d36Nick Lewycky Inst->setInstantiatedFromMemberTemplate(D); 79593ba8579c341d5329175f1413cdc3b35a36592d2John McCall } 796f0510d49a6985e9284d30cfc36a0df2a6292a638Douglas Gregor 797f0510d49a6985e9284d30cfc36a0df2a6292a638Douglas Gregor // Trigger creation of the type for the instantiation. 7983cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall SemaRef.Context.getInjectedClassNameType(RecordInst, 79924bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor Inst->getInjectedClassNameSpecialization()); 800ea7390c7b384ce607bfc8fc13c01f37cfc3776f0John McCall 801259571e27e513cfaf691cc7447e09b31a47d5438Douglas Gregor // Finish handling of friends. 80293ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (isFriend) { 80393ba8579c341d5329175f1413cdc3b35a36592d2John McCall DC->makeDeclVisibleInContext(Inst, /*Recoverable*/ false); 804e8c01bdb56549adcecd71ce39160eea54b2c51c8Douglas Gregor return Inst; 805259571e27e513cfaf691cc7447e09b31a47d5438Douglas Gregor } 806e8c01bdb56549adcecd71ce39160eea54b2c51c8Douglas Gregor 807e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall Owner->addDecl(Inst); 808d65587f7a6d38965fa37158d3f57990a7faf3836Douglas Gregor 809d65587f7a6d38965fa37158d3f57990a7faf3836Douglas Gregor if (!PrevClassTemplate) { 810d65587f7a6d38965fa37158d3f57990a7faf3836Douglas Gregor // Queue up any out-of-line partial specializations of this member 811d65587f7a6d38965fa37158d3f57990a7faf3836Douglas Gregor // class template; the client will force their instantiation once 812d65587f7a6d38965fa37158d3f57990a7faf3836Douglas Gregor // the enclosing class has been instantiated. 813d65587f7a6d38965fa37158d3f57990a7faf3836Douglas Gregor llvm::SmallVector<ClassTemplatePartialSpecializationDecl *, 4> PartialSpecs; 814d65587f7a6d38965fa37158d3f57990a7faf3836Douglas Gregor D->getPartialSpecializations(PartialSpecs); 815d65587f7a6d38965fa37158d3f57990a7faf3836Douglas Gregor for (unsigned I = 0, N = PartialSpecs.size(); I != N; ++I) 816d65587f7a6d38965fa37158d3f57990a7faf3836Douglas Gregor if (PartialSpecs[I]->isOutOfLine()) 817d65587f7a6d38965fa37158d3f57990a7faf3836Douglas Gregor OutOfLinePartialSpecs.push_back(std::make_pair(Inst, PartialSpecs[I])); 818d65587f7a6d38965fa37158d3f57990a7faf3836Douglas Gregor } 819d65587f7a6d38965fa37158d3f57990a7faf3836Douglas Gregor 820e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall return Inst; 821e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall} 822e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 823d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas GregorDecl * 8247974c3b7062f85bb7c0ada34526cdefe1d30f89bDouglas GregorTemplateDeclInstantiator::VisitClassTemplatePartialSpecializationDecl( 8257974c3b7062f85bb7c0ada34526cdefe1d30f89bDouglas Gregor ClassTemplatePartialSpecializationDecl *D) { 826ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplateDecl *ClassTemplate = D->getSpecializedTemplate(); 827ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 828ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Lookup the already-instantiated declaration in the instantiation 829ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // of the class template and return that. 830ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor DeclContext::lookup_result Found 831ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor = Owner->lookup(ClassTemplate->getDeclName()); 832ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor if (Found.first == Found.second) 833ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return 0; 834ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 835ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplateDecl *InstClassTemplate 836ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor = dyn_cast<ClassTemplateDecl>(*Found.first); 837ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor if (!InstClassTemplate) 838ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return 0; 839ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 840d65587f7a6d38965fa37158d3f57990a7faf3836Douglas Gregor if (ClassTemplatePartialSpecializationDecl *Result 841d65587f7a6d38965fa37158d3f57990a7faf3836Douglas Gregor = InstClassTemplate->findPartialSpecInstantiatedFromMember(D)) 842d65587f7a6d38965fa37158d3f57990a7faf3836Douglas Gregor return Result; 843d65587f7a6d38965fa37158d3f57990a7faf3836Douglas Gregor 844d65587f7a6d38965fa37158d3f57990a7faf3836Douglas Gregor return InstantiateClassTemplatePartialSpecialization(InstClassTemplate, D); 8457974c3b7062f85bb7c0ada34526cdefe1d30f89bDouglas Gregor} 8467974c3b7062f85bb7c0ada34526cdefe1d30f89bDouglas Gregor 8477974c3b7062f85bb7c0ada34526cdefe1d30f89bDouglas GregorDecl * 848d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas GregorTemplateDeclInstantiator::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) { 849550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // Create a local instantiation scope for this function template, which 850550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // will contain the instantiations of the template parameters and then get 851550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // merged with the local instantiation scope for the function template 852550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // itself. 8532a7fb27913999d132cf9e10e03dc5271faa2e9d3John McCall LocalInstantiationScope Scope(SemaRef); 854895162da2d52f4243f61081d7436de66af4503fcDouglas Gregor 855d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor TemplateParameterList *TempParams = D->getTemplateParameters(); 856d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor TemplateParameterList *InstParams = SubstTemplateParams(TempParams); 8571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!InstParams) 858d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor return NULL; 859ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 860a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor FunctionDecl *Instantiated = 0; 861a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor if (CXXMethodDecl *DMethod = dyn_cast<CXXMethodDecl>(D->getTemplatedDecl())) 862a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor Instantiated = cast_or_null<FunctionDecl>(VisitCXXMethodDecl(DMethod, 863a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor InstParams)); 864a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor else 865a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor Instantiated = cast_or_null<FunctionDecl>(VisitFunctionDecl( 866a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor D->getTemplatedDecl(), 867a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor InstParams)); 868a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor 869a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor if (!Instantiated) 870d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor return 0; 871d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor 87246460a68f6508775e98c19b4bb8454bb471aac24John McCall Instantiated->setAccess(D->getAccess()); 87346460a68f6508775e98c19b4bb8454bb471aac24John McCall 8741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Link the instantiated function template declaration to the function 875d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // template from which it was instantiated. 87637d68185088947322a97eabdc1c0714b0debd929Douglas Gregor FunctionTemplateDecl *InstTemplate 877a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor = Instantiated->getDescribedFunctionTemplate(); 87837d68185088947322a97eabdc1c0714b0debd929Douglas Gregor InstTemplate->setAccess(D->getAccess()); 879a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor assert(InstTemplate && 880a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor "VisitFunctionDecl/CXXMethodDecl didn't create a template!"); 881e976ffe18ee60b81641423f42ff6feec2f5e3cb7John McCall 882b1a56e767cfb645fcb25027ab728dd5824d92615John McCall bool isFriend = (InstTemplate->getFriendObjectKind() != Decl::FOK_None); 883b1a56e767cfb645fcb25027ab728dd5824d92615John McCall 884e976ffe18ee60b81641423f42ff6feec2f5e3cb7John McCall // Link the instantiation back to the pattern *unless* this is a 885e976ffe18ee60b81641423f42ff6feec2f5e3cb7John McCall // non-definition friend declaration. 886e976ffe18ee60b81641423f42ff6feec2f5e3cb7John McCall if (!InstTemplate->getInstantiatedFromMemberTemplate() && 887b1a56e767cfb645fcb25027ab728dd5824d92615John McCall !(isFriend && !D->getTemplatedDecl()->isThisDeclarationADefinition())) 888a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor InstTemplate->setInstantiatedFromMemberTemplate(D); 889a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor 890b1a56e767cfb645fcb25027ab728dd5824d92615John McCall // Make declarations visible in the appropriate context. 891b1a56e767cfb645fcb25027ab728dd5824d92615John McCall if (!isFriend) 892a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor Owner->addDecl(InstTemplate); 893b1a56e767cfb645fcb25027ab728dd5824d92615John McCall 894d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor return InstTemplate; 895d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor} 896d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor 897d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas GregorDecl *TemplateDeclInstantiator::VisitCXXRecordDecl(CXXRecordDecl *D) { 898d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor CXXRecordDecl *PrevDecl = 0; 899d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor if (D->isInjectedClassName()) 900d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor PrevDecl = cast<CXXRecordDecl>(Owner); 9016c1c1b8c6ca743a5b6b4c81f9ac56392c12c7457John McCall else if (D->getPreviousDeclaration()) { 9027c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor NamedDecl *Prev = SemaRef.FindInstantiatedDecl(D->getLocation(), 9037c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor D->getPreviousDeclaration(), 9046c1c1b8c6ca743a5b6b4c81f9ac56392c12c7457John McCall TemplateArgs); 9056c1c1b8c6ca743a5b6b4c81f9ac56392c12c7457John McCall if (!Prev) return 0; 9066c1c1b8c6ca743a5b6b4c81f9ac56392c12c7457John McCall PrevDecl = cast<CXXRecordDecl>(Prev); 9076c1c1b8c6ca743a5b6b4c81f9ac56392c12c7457John McCall } 908d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor 909d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor CXXRecordDecl *Record 9101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump = CXXRecordDecl::Create(SemaRef.Context, D->getTagKind(), Owner, 911741dd9a7e1d63e4e385b657e4ce11c5d96d44f72Douglas Gregor D->getLocation(), D->getIdentifier(), 912741dd9a7e1d63e4e385b657e4ce11c5d96d44f72Douglas Gregor D->getTagKeywordLoc(), PrevDecl); 913b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 914b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Substitute the nested name specifier, if any. 915b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (SubstQualifier(D, Record)) 916b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall return 0; 917b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 918d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor Record->setImplicit(D->isImplicit()); 919eaba1af8529c381d7bfd4dd0a8b48d2c01647972Eli Friedman // FIXME: Check against AS_none is an ugly hack to work around the issue that 920eaba1af8529c381d7bfd4dd0a8b48d2c01647972Eli Friedman // the tag decls introduced by friend class declarations don't have an access 921eaba1af8529c381d7bfd4dd0a8b48d2c01647972Eli Friedman // specifier. Remove once this area of the code gets sorted out. 922eaba1af8529c381d7bfd4dd0a8b48d2c01647972Eli Friedman if (D->getAccess() != AS_none) 923eaba1af8529c381d7bfd4dd0a8b48d2c01647972Eli Friedman Record->setAccess(D->getAccess()); 924d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor if (!D->isInjectedClassName()) 925f6b1185f0a8a209c06dfc1efdb6a59cc851e970cDouglas Gregor Record->setInstantiationOfMemberClass(D, TSK_ImplicitInstantiation); 926d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor 92702cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall // If the original function was part of a friend declaration, 92802cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall // inherit its namespace state. 92902cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall if (Decl::FriendObjectKind FOK = D->getFriendObjectKind()) 93002cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall Record->setObjectOfFriendDecl(FOK == Decl::FOK_Declared); 93102cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall 9329901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor // Make sure that anonymous structs and unions are recorded. 9339901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor if (D->isAnonymousStructOrUnion()) { 9349901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor Record->setAnonymousStructOrUnion(true); 9357a126a474fdde06382b315b4e3d8ef0a21d4dc31Sebastian Redl if (Record->getDeclContext()->getRedeclContext()->isFunctionOrMethod()) 9369901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal(D, Record); 9379901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor } 938d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 93917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis Owner->addDecl(Record); 940d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor return Record; 941d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor} 942d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor 94302cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// Normal class members are of more specific types and therefore 94402cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// don't make it here. This function serves two purposes: 94502cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// 1) instantiating function templates 94602cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// 2) substituting friend declarations 94702cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// FIXME: preserve function definitions in case #2 9487557a1348d2821dce126a778aa7acd7a00b814fdDouglas GregorDecl *TemplateDeclInstantiator::VisitFunctionDecl(FunctionDecl *D, 949a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor TemplateParameterList *TemplateParams) { 950127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor // Check whether there is already a function template specialization for 951127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor // this declaration. 952127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor FunctionTemplateDecl *FunctionTemplate = D->getDescribedFunctionTemplate(); 953127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor void *InsertPos = 0; 954b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (FunctionTemplate && !TemplateParams) { 95524bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor std::pair<const TemplateArgument *, unsigned> Innermost 95624bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor = TemplateArgs.getInnermost(); 9571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9582c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis FunctionDecl *SpecFunc 9592c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis = FunctionTemplate->findSpecialization(Innermost.first, Innermost.second, 9602c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis InsertPos); 9611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 962127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor // If we already have a function template specialization, return it. 9632c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis if (SpecFunc) 9642c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis return SpecFunc; 965127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor } 9661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 967b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall bool isFriend; 968b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (FunctionTemplate) 969b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall isFriend = (FunctionTemplate->getFriendObjectKind() != Decl::FOK_None); 970b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall else 971b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall isFriend = (D->getFriendObjectKind() != Decl::FOK_None); 972b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall 97379c2278a66d8fc0943774d1b7c71a32f7764e1e2Douglas Gregor bool MergeWithParentScope = (TemplateParams != 0) || 974b212d9a8e10308cde5b7a1ce07bd59d8df14fa06Douglas Gregor Owner->isFunctionOrMethod() || 97579c2278a66d8fc0943774d1b7c71a32f7764e1e2Douglas Gregor !(isa<Decl>(Owner) && 97679c2278a66d8fc0943774d1b7c71a32f7764e1e2Douglas Gregor cast<Decl>(Owner)->isDefinedOutsideFunctionOrMethod()); 9772a7fb27913999d132cf9e10e03dc5271faa2e9d3John McCall LocalInstantiationScope Scope(SemaRef, MergeWithParentScope); 9781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 979e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor llvm::SmallVector<ParmVarDecl *, 4> Params; 98021ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall TypeSourceInfo *TInfo = D->getTypeSourceInfo(); 98121ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall TInfo = SubstFunctionType(D, Params); 98221ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall if (!TInfo) 9832dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor return 0; 98421ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall QualType T = TInfo->getType(); 985fd810b1386ed29b250e7d522ea826a65c815e49dJohn McCall 986d325daa506338ab86f9dd468b48fd010673f49a6John McCall NestedNameSpecifier *Qualifier = D->getQualifier(); 987d325daa506338ab86f9dd468b48fd010673f49a6John McCall if (Qualifier) { 988d325daa506338ab86f9dd468b48fd010673f49a6John McCall Qualifier = SemaRef.SubstNestedNameSpecifier(Qualifier, 989d325daa506338ab86f9dd468b48fd010673f49a6John McCall D->getQualifierRange(), 990d325daa506338ab86f9dd468b48fd010673f49a6John McCall TemplateArgs); 991d325daa506338ab86f9dd468b48fd010673f49a6John McCall if (!Qualifier) return 0; 992d325daa506338ab86f9dd468b48fd010673f49a6John McCall } 993d325daa506338ab86f9dd468b48fd010673f49a6John McCall 99468b6b87b6beb7922fc2c8ab923ba2ce125490363John McCall // If we're instantiating a local function declaration, put the result 99568b6b87b6beb7922fc2c8ab923ba2ce125490363John McCall // in the owner; otherwise we need to find the instantiated context. 99668b6b87b6beb7922fc2c8ab923ba2ce125490363John McCall DeclContext *DC; 99768b6b87b6beb7922fc2c8ab923ba2ce125490363John McCall if (D->getDeclContext()->isFunctionOrMethod()) 99868b6b87b6beb7922fc2c8ab923ba2ce125490363John McCall DC = Owner; 999d325daa506338ab86f9dd468b48fd010673f49a6John McCall else if (isFriend && Qualifier) { 1000d325daa506338ab86f9dd468b48fd010673f49a6John McCall CXXScopeSpec SS; 1001d325daa506338ab86f9dd468b48fd010673f49a6John McCall SS.setScopeRep(Qualifier); 1002d325daa506338ab86f9dd468b48fd010673f49a6John McCall SS.setRange(D->getQualifierRange()); 1003d325daa506338ab86f9dd468b48fd010673f49a6John McCall DC = SemaRef.computeDeclContext(SS); 1004d325daa506338ab86f9dd468b48fd010673f49a6John McCall if (!DC) return 0; 1005d325daa506338ab86f9dd468b48fd010673f49a6John McCall } else { 10067c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor DC = SemaRef.FindInstantiatedContext(D->getLocation(), D->getDeclContext(), 10077c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor TemplateArgs); 1008d325daa506338ab86f9dd468b48fd010673f49a6John McCall } 100968b6b87b6beb7922fc2c8ab923ba2ce125490363John McCall 101002cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall FunctionDecl *Function = 10111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FunctionDecl::Create(SemaRef.Context, DC, D->getLocation(), 101221ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall D->getDeclName(), T, TInfo, 101316573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor D->getStorageClass(), D->getStorageClassAsWritten(), 10140130f3cc4ccd5f46361c48d5fe94133d74619424Douglas Gregor D->isInlineSpecified(), D->hasWrittenPrototype()); 1015b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 1016d325daa506338ab86f9dd468b48fd010673f49a6John McCall if (Qualifier) 1017d325daa506338ab86f9dd468b48fd010673f49a6John McCall Function->setQualifierInfo(Qualifier, D->getQualifierRange()); 1018b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 1019b1a56e767cfb645fcb25027ab728dd5824d92615John McCall DeclContext *LexicalDC = Owner; 1020b1a56e767cfb645fcb25027ab728dd5824d92615John McCall if (!isFriend && D->isOutOfLine()) { 1021b1a56e767cfb645fcb25027ab728dd5824d92615John McCall assert(D->getDeclContext()->isFileContext()); 1022b1a56e767cfb645fcb25027ab728dd5824d92615John McCall LexicalDC = D->getDeclContext(); 1023b1a56e767cfb645fcb25027ab728dd5824d92615John McCall } 1024b1a56e767cfb645fcb25027ab728dd5824d92615John McCall 1025b1a56e767cfb645fcb25027ab728dd5824d92615John McCall Function->setLexicalDeclContext(LexicalDC); 10261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1027e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor // Attach the parameters 1028e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor for (unsigned P = 0; P < Params.size(); ++P) 10293019c444c672938c57f5573840071ecd73425ee7John McCall if (Params[P]) 10303019c444c672938c57f5573840071ecd73425ee7John McCall Params[P]->setOwningFunction(Function); 1031838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor Function->setParams(Params.data(), Params.size()); 103202cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall 1033ac7c2c8a9d47df7d652364af3043c41816a18fa4Douglas Gregor SourceLocation InstantiateAtPOI; 1034a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor if (TemplateParams) { 1035a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // Our resulting instantiation is actually a function template, since we 1036a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // are substituting only the outer template parameters. For example, given 1037a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // 1038a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // template<typename T> 1039a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // struct X { 1040a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // template<typename U> friend void f(T, U); 1041a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // }; 1042a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // 1043a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // X<int> x; 1044a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // 1045a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // We are instantiating the friend function template "f" within X<int>, 1046a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // which means substituting int for T, but leaving "f" as a friend function 1047a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // template. 1048a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // Build the function template itself. 1049d325daa506338ab86f9dd468b48fd010673f49a6John McCall FunctionTemplate = FunctionTemplateDecl::Create(SemaRef.Context, DC, 1050a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor Function->getLocation(), 1051a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor Function->getDeclName(), 1052a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor TemplateParams, Function); 1053a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor Function->setDescribedFunctionTemplate(FunctionTemplate); 1054b1a56e767cfb645fcb25027ab728dd5824d92615John McCall 1055b1a56e767cfb645fcb25027ab728dd5824d92615John McCall FunctionTemplate->setLexicalDeclContext(LexicalDC); 1056d325daa506338ab86f9dd468b48fd010673f49a6John McCall 1057d325daa506338ab86f9dd468b48fd010673f49a6John McCall if (isFriend && D->isThisDeclarationADefinition()) { 1058d325daa506338ab86f9dd468b48fd010673f49a6John McCall // TODO: should we remember this connection regardless of whether 1059d325daa506338ab86f9dd468b48fd010673f49a6John McCall // the friend declaration provided a body? 1060d325daa506338ab86f9dd468b48fd010673f49a6John McCall FunctionTemplate->setInstantiatedFromMemberTemplate( 1061d325daa506338ab86f9dd468b48fd010673f49a6John McCall D->getDescribedFunctionTemplate()); 1062d325daa506338ab86f9dd468b48fd010673f49a6John McCall } 106366724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor } else if (FunctionTemplate) { 106466724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor // Record this function template specialization. 106524bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor std::pair<const TemplateArgument *, unsigned> Innermost 106624bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor = TemplateArgs.getInnermost(); 1067838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor Function->setFunctionTemplateSpecialization(FunctionTemplate, 1068910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgumentList::CreateCopy(SemaRef.Context, 106924bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor Innermost.first, 107024bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor Innermost.second), 107166724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor InsertPos); 1072d325daa506338ab86f9dd468b48fd010673f49a6John McCall } else if (isFriend && D->isThisDeclarationADefinition()) { 1073d325daa506338ab86f9dd468b48fd010673f49a6John McCall // TODO: should we remember this connection regardless of whether 1074d325daa506338ab86f9dd468b48fd010673f49a6John McCall // the friend declaration provided a body? 1075d325daa506338ab86f9dd468b48fd010673f49a6John McCall Function->setInstantiationOfMemberFunction(D, TSK_ImplicitInstantiation); 107602cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall } 1077a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor 1078e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor if (InitFunctionInstantiation(Function, D)) 1079e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor Function->setInvalidDecl(); 10801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1081e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor bool Redeclaration = false; 1082e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor bool OverloadableAttrRequired = false; 1083af2094e7cecadf36667deb61a83587ffdd979bd3John McCall bool isExplicitSpecialization = false; 1084a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor 10856826314938f8510cd1a6b03b5d032592456ae27bJohn McCall LookupResult Previous(SemaRef, Function->getDeclName(), SourceLocation(), 10866826314938f8510cd1a6b03b5d032592456ae27bJohn McCall Sema::LookupOrdinaryName, Sema::ForRedeclaration); 10876826314938f8510cd1a6b03b5d032592456ae27bJohn McCall 1088af2094e7cecadf36667deb61a83587ffdd979bd3John McCall if (DependentFunctionTemplateSpecializationInfo *Info 1089af2094e7cecadf36667deb61a83587ffdd979bd3John McCall = D->getDependentSpecializationInfo()) { 1090af2094e7cecadf36667deb61a83587ffdd979bd3John McCall assert(isFriend && "non-friend has dependent specialization info?"); 1091af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1092af2094e7cecadf36667deb61a83587ffdd979bd3John McCall // This needs to be set now for future sanity. 1093af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Function->setObjectOfFriendDecl(/*HasPrevious*/ true); 1094af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1095af2094e7cecadf36667deb61a83587ffdd979bd3John McCall // Instantiate the explicit template arguments. 1096af2094e7cecadf36667deb61a83587ffdd979bd3John McCall TemplateArgumentListInfo ExplicitArgs(Info->getLAngleLoc(), 1097af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Info->getRAngleLoc()); 1098af2094e7cecadf36667deb61a83587ffdd979bd3John McCall for (unsigned I = 0, E = Info->getNumTemplateArgs(); I != E; ++I) { 1099af2094e7cecadf36667deb61a83587ffdd979bd3John McCall TemplateArgumentLoc Loc; 1100af2094e7cecadf36667deb61a83587ffdd979bd3John McCall if (SemaRef.Subst(Info->getTemplateArg(I), Loc, TemplateArgs)) 1101af2094e7cecadf36667deb61a83587ffdd979bd3John McCall return 0; 1102af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1103af2094e7cecadf36667deb61a83587ffdd979bd3John McCall ExplicitArgs.addArgument(Loc); 1104af2094e7cecadf36667deb61a83587ffdd979bd3John McCall } 1105af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1106af2094e7cecadf36667deb61a83587ffdd979bd3John McCall // Map the candidate templates to their instantiations. 1107af2094e7cecadf36667deb61a83587ffdd979bd3John McCall for (unsigned I = 0, E = Info->getNumTemplates(); I != E; ++I) { 1108af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Decl *Temp = SemaRef.FindInstantiatedDecl(D->getLocation(), 1109af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Info->getTemplate(I), 1110af2094e7cecadf36667deb61a83587ffdd979bd3John McCall TemplateArgs); 1111af2094e7cecadf36667deb61a83587ffdd979bd3John McCall if (!Temp) return 0; 1112af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1113af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Previous.addDecl(cast<FunctionTemplateDecl>(Temp)); 1114af2094e7cecadf36667deb61a83587ffdd979bd3John McCall } 1115af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1116af2094e7cecadf36667deb61a83587ffdd979bd3John McCall if (SemaRef.CheckFunctionTemplateSpecialization(Function, 1117af2094e7cecadf36667deb61a83587ffdd979bd3John McCall &ExplicitArgs, 1118af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Previous)) 1119af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Function->setInvalidDecl(); 1120af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1121af2094e7cecadf36667deb61a83587ffdd979bd3John McCall isExplicitSpecialization = true; 1122af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1123af2094e7cecadf36667deb61a83587ffdd979bd3John McCall } else if (TemplateParams || !FunctionTemplate) { 1124a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // Look only into the namespace where the friend would be declared to 1125a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // find a previous declaration. This is the innermost enclosing namespace, 1126a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // as described in ActOnFriendFunctionDecl. 11276826314938f8510cd1a6b03b5d032592456ae27bJohn McCall SemaRef.LookupQualifiedName(Previous, DC); 1128a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor 1129a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // In C++, the previous declaration we find might be a tag type 1130a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // (class or enum). In this case, the new declaration will hide the 1131a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // tag type. Note that this does does not apply if we're declaring a 1132a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // typedef (C++ [dcl.typedef]p4). 11336826314938f8510cd1a6b03b5d032592456ae27bJohn McCall if (Previous.isSingleTagDecl()) 11346826314938f8510cd1a6b03b5d032592456ae27bJohn McCall Previous.clear(); 1135a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor } 1136a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor 11379f54ad4381370c6b771424b53d219e661d6d6706John McCall SemaRef.CheckFunctionDeclaration(/*Scope*/ 0, Function, Previous, 1138af2094e7cecadf36667deb61a83587ffdd979bd3John McCall isExplicitSpecialization, Redeclaration, 1139e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor /*FIXME:*/OverloadableAttrRequired); 1140e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor 114176d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall NamedDecl *PrincipalDecl = (TemplateParams 114276d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall ? cast<NamedDecl>(FunctionTemplate) 114376d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall : Function); 114476d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall 1145a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // If the original function was part of a friend declaration, 1146a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // inherit its namespace state and add it to the owner. 1147d325daa506338ab86f9dd468b48fd010673f49a6John McCall if (isFriend) { 11486826314938f8510cd1a6b03b5d032592456ae27bJohn McCall NamedDecl *PrevDecl; 114976d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall if (TemplateParams) 1150a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor PrevDecl = FunctionTemplate->getPreviousDeclaration(); 115176d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall else 1152a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor PrevDecl = Function->getPreviousDeclaration(); 115376d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall 115476d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall PrincipalDecl->setObjectOfFriendDecl(PrevDecl != 0); 115576d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall DC->makeDeclVisibleInContext(PrincipalDecl, /*Recoverable=*/ false); 1156ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif 115777535dfde258765c056ef4c6786ef56cc48f0c76Gabor Greif bool queuedInstantiation = false; 1158ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif 1159238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor if (!SemaRef.getLangOptions().CPlusPlus0x && 1160238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor D->isThisDeclarationADefinition()) { 1161238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor // Check for a function body. 1162238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor const FunctionDecl *Definition = 0; 116306a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis if (Function->hasBody(Definition) && 1164238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor Definition->getTemplateSpecializationKind() == TSK_Undeclared) { 1165238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor SemaRef.Diag(Function->getLocation(), diag::err_redefinition) 1166238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor << Function->getDeclName(); 1167238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor SemaRef.Diag(Definition->getLocation(), diag::note_previous_definition); 1168238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor Function->setInvalidDecl(); 1169238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor } 1170238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor // Check for redefinitions due to other instantiations of this or 1171238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor // a similar friend function. 1172238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor else for (FunctionDecl::redecl_iterator R = Function->redecls_begin(), 1173238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor REnd = Function->redecls_end(); 1174238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor R != REnd; ++R) { 117513a8affbb87cdb869adabe2a6e5998559f2598c4Gabor Greif if (*R == Function) 117613a8affbb87cdb869adabe2a6e5998559f2598c4Gabor Greif continue; 1177ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif switch (R->getFriendObjectKind()) { 1178ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif case Decl::FOK_None: 1179ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif if (!queuedInstantiation && R->isUsed(false)) { 1180ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif if (MemberSpecializationInfo *MSInfo 1181ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif = Function->getMemberSpecializationInfo()) { 1182ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif if (MSInfo->getPointOfInstantiation().isInvalid()) { 1183ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif SourceLocation Loc = R->getLocation(); // FIXME 1184ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif MSInfo->setPointOfInstantiation(Loc); 1185ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif SemaRef.PendingLocalImplicitInstantiations.push_back( 1186ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif std::make_pair(Function, Loc)); 1187ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif queuedInstantiation = true; 1188ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif } 1189ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif } 1190ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif } 1191ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif break; 1192ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif default: 1193238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor if (const FunctionDecl *RPattern 11946a557d8f6b3d7a747a0b57960d4b86f05ba2e53cGabor Greif = R->getTemplateInstantiationPattern()) 119506a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis if (RPattern->hasBody(RPattern)) { 1196238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor SemaRef.Diag(Function->getLocation(), diag::err_redefinition) 1197238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor << Function->getDeclName(); 11986a557d8f6b3d7a747a0b57960d4b86f05ba2e53cGabor Greif SemaRef.Diag(R->getLocation(), diag::note_previous_definition); 1199238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor Function->setInvalidDecl(); 1200238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor break; 1201238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor } 1202238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor } 1203238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor } 1204238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor } 1205a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor } 1206a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor 120776d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall if (Function->isOverloadedOperator() && !DC->isRecord() && 120876d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall PrincipalDecl->isInIdentifierNamespace(Decl::IDNS_Ordinary)) 120976d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall PrincipalDecl->setNonMemberOperator(); 121076d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall 1211e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor return Function; 1212e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor} 12132dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor 1214d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas GregorDecl * 1215d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas GregorTemplateDeclInstantiator::VisitCXXMethodDecl(CXXMethodDecl *D, 1216d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor TemplateParameterList *TemplateParams) { 12176b906869527be40b0d38d755e9ef51b331b88162Douglas Gregor FunctionTemplateDecl *FunctionTemplate = D->getDescribedFunctionTemplate(); 12186b906869527be40b0d38d755e9ef51b331b88162Douglas Gregor void *InsertPos = 0; 1219d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor if (FunctionTemplate && !TemplateParams) { 12201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We are creating a function template specialization from a function 12211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // template. Check whether there is already a function template 1222d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // specialization for this particular set of template arguments. 122324bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor std::pair<const TemplateArgument *, unsigned> Innermost 122424bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor = TemplateArgs.getInnermost(); 12251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12262c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis FunctionDecl *SpecFunc 12272c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis = FunctionTemplate->findSpecialization(Innermost.first, Innermost.second, 12282c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis InsertPos); 12291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12306b906869527be40b0d38d755e9ef51b331b88162Douglas Gregor // If we already have a function template specialization, return it. 12312c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis if (SpecFunc) 12322c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis return SpecFunc; 12336b906869527be40b0d38d755e9ef51b331b88162Douglas Gregor } 12346b906869527be40b0d38d755e9ef51b331b88162Douglas Gregor 1235b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall bool isFriend; 1236b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (FunctionTemplate) 1237b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall isFriend = (FunctionTemplate->getFriendObjectKind() != Decl::FOK_None); 1238b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall else 1239b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall isFriend = (D->getFriendObjectKind() != Decl::FOK_None); 1240b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall 124179c2278a66d8fc0943774d1b7c71a32f7764e1e2Douglas Gregor bool MergeWithParentScope = (TemplateParams != 0) || 124279c2278a66d8fc0943774d1b7c71a32f7764e1e2Douglas Gregor !(isa<Decl>(Owner) && 124379c2278a66d8fc0943774d1b7c71a32f7764e1e2Douglas Gregor cast<Decl>(Owner)->isDefinedOutsideFunctionOrMethod()); 12442a7fb27913999d132cf9e10e03dc5271faa2e9d3John McCall LocalInstantiationScope Scope(SemaRef, MergeWithParentScope); 124548dd19b19ddb9e105f8cf0bf6f0732ca4e6a385bDouglas Gregor 12464eab39f0745fb1949dbb40c4145771b927888242John McCall // Instantiate enclosing template arguments for friends. 12474eab39f0745fb1949dbb40c4145771b927888242John McCall llvm::SmallVector<TemplateParameterList *, 4> TempParamLists; 12484eab39f0745fb1949dbb40c4145771b927888242John McCall unsigned NumTempParamLists = 0; 12494eab39f0745fb1949dbb40c4145771b927888242John McCall if (isFriend && (NumTempParamLists = D->getNumTemplateParameterLists())) { 12504eab39f0745fb1949dbb40c4145771b927888242John McCall TempParamLists.set_size(NumTempParamLists); 12514eab39f0745fb1949dbb40c4145771b927888242John McCall for (unsigned I = 0; I != NumTempParamLists; ++I) { 12524eab39f0745fb1949dbb40c4145771b927888242John McCall TemplateParameterList *TempParams = D->getTemplateParameterList(I); 12534eab39f0745fb1949dbb40c4145771b927888242John McCall TemplateParameterList *InstParams = SubstTemplateParams(TempParams); 12544eab39f0745fb1949dbb40c4145771b927888242John McCall if (!InstParams) 12554eab39f0745fb1949dbb40c4145771b927888242John McCall return NULL; 12564eab39f0745fb1949dbb40c4145771b927888242John McCall TempParamLists[I] = InstParams; 12574eab39f0745fb1949dbb40c4145771b927888242John McCall } 12584eab39f0745fb1949dbb40c4145771b927888242John McCall } 12594eab39f0745fb1949dbb40c4145771b927888242John McCall 12600ca20ac8cea99c43d89510f29cf3dc876f9c9111Douglas Gregor llvm::SmallVector<ParmVarDecl *, 4> Params; 126121ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall TypeSourceInfo *TInfo = D->getTypeSourceInfo(); 126221ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall TInfo = SubstFunctionType(D, Params); 126321ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall if (!TInfo) 12642dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor return 0; 126521ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall QualType T = TInfo->getType(); 12662dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor 1267723df245307a530da5433dfb43accf187dc3e243Abramo Bagnara // \brief If the type of this function, after ignoring parentheses, 1268723df245307a530da5433dfb43accf187dc3e243Abramo Bagnara // is not *directly* a function type, then we're instantiating a function 1269723df245307a530da5433dfb43accf187dc3e243Abramo Bagnara // that was declared via a typedef, e.g., 12705f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor // 12715f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor // typedef int functype(int, int); 12725f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor // functype func; 12735f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor // 12745f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor // In this case, we'll just go instantiate the ParmVarDecls that we 12755f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor // synthesized in the method declaration. 1276723df245307a530da5433dfb43accf187dc3e243Abramo Bagnara if (!isa<FunctionProtoType>(T.IgnoreParens())) { 12775f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor assert(!Params.size() && "Instantiating type could not yield parameters"); 12785f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor for (unsigned I = 0, N = D->getNumParams(); I != N; ++I) { 12795f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor ParmVarDecl *P = SemaRef.SubstParmVarDecl(D->getParamDecl(I), 12805f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor TemplateArgs); 12815f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor if (!P) 12825f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor return 0; 12835f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor 12845f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor Params.push_back(P); 12855f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor } 12865f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor } 12875f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor 1288b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall NestedNameSpecifier *Qualifier = D->getQualifier(); 1289b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (Qualifier) { 1290b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall Qualifier = SemaRef.SubstNestedNameSpecifier(Qualifier, 1291b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall D->getQualifierRange(), 1292b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall TemplateArgs); 1293b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (!Qualifier) return 0; 1294b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } 1295b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall 1296b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall DeclContext *DC = Owner; 1297b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (isFriend) { 1298b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (Qualifier) { 1299b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall CXXScopeSpec SS; 1300b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall SS.setScopeRep(Qualifier); 1301b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall SS.setRange(D->getQualifierRange()); 1302b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall DC = SemaRef.computeDeclContext(SS); 1303c54d688c604d28dcb9ab8f92047837c10c8f9c61John McCall 1304c54d688c604d28dcb9ab8f92047837c10c8f9c61John McCall if (DC && SemaRef.RequireCompleteDeclContext(SS, DC)) 1305c54d688c604d28dcb9ab8f92047837c10c8f9c61John McCall return 0; 1306b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } else { 1307b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall DC = SemaRef.FindInstantiatedContext(D->getLocation(), 1308b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall D->getDeclContext(), 1309b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall TemplateArgs); 1310b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } 1311b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (!DC) return 0; 1312b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } 1313b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall 13142dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor // Build the instantiated method declaration. 1315b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall CXXRecordDecl *Record = cast<CXXRecordDecl>(DC); 1316dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor CXXMethodDecl *Method = 0; 13171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13182577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo NameInfo 13192577743c5650c646fb705df01403707e94f2df04Abramo Bagnara = SemaRef.SubstDeclarationNameInfo(D->getNameInfo(), TemplateArgs); 132017e32f30e2d1eaf6639d3d4e2196a8d7c709fbacDouglas Gregor if (CXXConstructorDecl *Constructor = dyn_cast<CXXConstructorDecl>(D)) { 13211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Method = CXXConstructorDecl::Create(SemaRef.Context, Record, 13222577743c5650c646fb705df01403707e94f2df04Abramo Bagnara NameInfo, T, TInfo, 13231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Constructor->isExplicit(), 132416573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor Constructor->isInlineSpecified(), 132516573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor false); 132617e32f30e2d1eaf6639d3d4e2196a8d7c709fbacDouglas Gregor } else if (CXXDestructorDecl *Destructor = dyn_cast<CXXDestructorDecl>(D)) { 132717e32f30e2d1eaf6639d3d4e2196a8d7c709fbacDouglas Gregor Method = CXXDestructorDecl::Create(SemaRef.Context, Record, 1328b41d899a6023385c00a61eb9dd3e44db9dc7994eCraig Silverstein NameInfo, T, TInfo, 13292577743c5650c646fb705df01403707e94f2df04Abramo Bagnara Destructor->isInlineSpecified(), 133016573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor false); 133165ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor } else if (CXXConversionDecl *Conversion = dyn_cast<CXXConversionDecl>(D)) { 133265ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor Method = CXXConversionDecl::Create(SemaRef.Context, Record, 13332577743c5650c646fb705df01403707e94f2df04Abramo Bagnara NameInfo, T, TInfo, 13340130f3cc4ccd5f46361c48d5fe94133d74619424Douglas Gregor Conversion->isInlineSpecified(), 133565ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor Conversion->isExplicit()); 1336dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor } else { 13372577743c5650c646fb705df01403707e94f2df04Abramo Bagnara Method = CXXMethodDecl::Create(SemaRef.Context, Record, 13382577743c5650c646fb705df01403707e94f2df04Abramo Bagnara NameInfo, T, TInfo, 133916573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor D->isStatic(), 134016573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor D->getStorageClassAsWritten(), 134116573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor D->isInlineSpecified()); 1342dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor } 13436b906869527be40b0d38d755e9ef51b331b88162Douglas Gregor 1344b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (Qualifier) 1345b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall Method->setQualifierInfo(Qualifier, D->getQualifierRange()); 1346b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 1347d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor if (TemplateParams) { 1348d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // Our resulting instantiation is actually a function template, since we 1349d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // are substituting only the outer template parameters. For example, given 13501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // 1351d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // template<typename T> 1352d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // struct X { 1353d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // template<typename U> void f(T, U); 1354d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // }; 1355d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // 1356d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // X<int> x; 1357d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // 1358d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // We are instantiating the member template "f" within X<int>, which means 1359d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // substituting int for T, but leaving "f" as a member function template. 1360d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // Build the function template itself. 1361d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor FunctionTemplate = FunctionTemplateDecl::Create(SemaRef.Context, Record, 1362d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor Method->getLocation(), 13631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Method->getDeclName(), 1364d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor TemplateParams, Method); 1365b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (isFriend) { 1366b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall FunctionTemplate->setLexicalDeclContext(Owner); 1367b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall FunctionTemplate->setObjectOfFriendDecl(true); 1368b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } else if (D->isOutOfLine()) 13691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FunctionTemplate->setLexicalDeclContext(D->getLexicalDeclContext()); 1370d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor Method->setDescribedFunctionTemplate(FunctionTemplate); 137166724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor } else if (FunctionTemplate) { 137266724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor // Record this function template specialization. 137324bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor std::pair<const TemplateArgument *, unsigned> Innermost 137424bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor = TemplateArgs.getInnermost(); 1375838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor Method->setFunctionTemplateSpecialization(FunctionTemplate, 1376910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgumentList::CreateCopy(SemaRef.Context, 1377910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor Innermost.first, 1378910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor Innermost.second), 137966724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor InsertPos); 1380b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } else if (!isFriend) { 138166724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor // Record that this is an instantiation of a member function. 13822db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor Method->setInstantiationOfMemberFunction(D, TSK_ImplicitInstantiation); 138366724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor } 138466724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor 13851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If we are instantiating a member function defined 13867caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // out-of-line, the instantiation will have the same lexical 13877caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // context (which will be a namespace scope) as the template. 1388b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (isFriend) { 13894eab39f0745fb1949dbb40c4145771b927888242John McCall if (NumTempParamLists) 13904eab39f0745fb1949dbb40c4145771b927888242John McCall Method->setTemplateParameterListsInfo(SemaRef.Context, 13914eab39f0745fb1949dbb40c4145771b927888242John McCall NumTempParamLists, 13924eab39f0745fb1949dbb40c4145771b927888242John McCall TempParamLists.data()); 13934eab39f0745fb1949dbb40c4145771b927888242John McCall 1394b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall Method->setLexicalDeclContext(Owner); 1395b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall Method->setObjectOfFriendDecl(true); 1396b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } else if (D->isOutOfLine()) 13977caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor Method->setLexicalDeclContext(D->getLexicalDeclContext()); 13981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13995545e166a956a20d7a6b58408e251a1119025485Douglas Gregor // Attach the parameters 14005545e166a956a20d7a6b58408e251a1119025485Douglas Gregor for (unsigned P = 0; P < Params.size(); ++P) 14015545e166a956a20d7a6b58408e251a1119025485Douglas Gregor Params[P]->setOwningFunction(Method); 1402838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor Method->setParams(Params.data(), Params.size()); 14035545e166a956a20d7a6b58408e251a1119025485Douglas Gregor 14045545e166a956a20d7a6b58408e251a1119025485Douglas Gregor if (InitMethodInstantiation(Method, D)) 14055545e166a956a20d7a6b58408e251a1119025485Douglas Gregor Method->setInvalidDecl(); 14062dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor 14072577743c5650c646fb705df01403707e94f2df04Abramo Bagnara LookupResult Previous(SemaRef, NameInfo, Sema::LookupOrdinaryName, 14082577743c5650c646fb705df01403707e94f2df04Abramo Bagnara Sema::ForRedeclaration); 14091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1410b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (!FunctionTemplate || TemplateParams || isFriend) { 1411b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall SemaRef.LookupQualifiedName(Previous, Record); 14121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1413dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor // In C++, the previous declaration we find might be a tag type 1414dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor // (class or enum). In this case, the new declaration will hide the 1415dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor // tag type. Note that this does does not apply if we're declaring a 1416dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor // typedef (C++ [dcl.typedef]p4). 14176826314938f8510cd1a6b03b5d032592456ae27bJohn McCall if (Previous.isSingleTagDecl()) 14186826314938f8510cd1a6b03b5d032592456ae27bJohn McCall Previous.clear(); 1419dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor } 14202dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor 142165ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor bool Redeclaration = false; 142265ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor bool OverloadableAttrRequired = false; 14239f54ad4381370c6b771424b53d219e661d6d6706John McCall SemaRef.CheckFunctionDeclaration(0, Method, Previous, false, Redeclaration, 142465ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor /*FIXME:*/OverloadableAttrRequired); 142565ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor 14264ba3136b3eb9740a07bd61d0ab23ce9a8d894deeDouglas Gregor if (D->isPure()) 14274ba3136b3eb9740a07bd61d0ab23ce9a8d894deeDouglas Gregor SemaRef.CheckPureMethod(Method, SourceRange()); 14284ba3136b3eb9740a07bd61d0ab23ce9a8d894deeDouglas Gregor 142946460a68f6508775e98c19b4bb8454bb471aac24John McCall Method->setAccess(D->getAccess()); 143046460a68f6508775e98c19b4bb8454bb471aac24John McCall 1431b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (FunctionTemplate) { 1432b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall // If there's a function template, let our caller handle it. 1433b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } else if (Method->isInvalidDecl() && !Previous.empty()) { 1434b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall // Don't hide a (potentially) valid declaration with an invalid one. 1435b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } else { 1436b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall NamedDecl *DeclToAdd = (TemplateParams 1437b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall ? cast<NamedDecl>(FunctionTemplate) 1438b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall : Method); 1439b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (isFriend) 1440b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall Record->makeDeclVisibleInContext(DeclToAdd); 1441b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall else 1442b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall Owner->addDecl(DeclToAdd); 1443b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } 1444bbc6454bb98d6a6ecbaafa715222c5db834307f2Argyrios Kyrtzidis 14452dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor return Method; 14462dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor} 14472dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor 1448615c5d4674355ba830b9978f462ca7a8c5d15f85Douglas GregorDecl *TemplateDeclInstantiator::VisitCXXConstructorDecl(CXXConstructorDecl *D) { 1449dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor return VisitCXXMethodDecl(D); 1450615c5d4674355ba830b9978f462ca7a8c5d15f85Douglas Gregor} 1451615c5d4674355ba830b9978f462ca7a8c5d15f85Douglas Gregor 145203b2b07aaef3a585aec13048a33356c7f635de72Douglas GregorDecl *TemplateDeclInstantiator::VisitCXXDestructorDecl(CXXDestructorDecl *D) { 145317e32f30e2d1eaf6639d3d4e2196a8d7c709fbacDouglas Gregor return VisitCXXMethodDecl(D); 145403b2b07aaef3a585aec13048a33356c7f635de72Douglas Gregor} 145503b2b07aaef3a585aec13048a33356c7f635de72Douglas Gregor 1456bb969ed4193e2eadabfaa0dfd0b94312b6146349Douglas GregorDecl *TemplateDeclInstantiator::VisitCXXConversionDecl(CXXConversionDecl *D) { 145765ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor return VisitCXXMethodDecl(D); 1458bb969ed4193e2eadabfaa0dfd0b94312b6146349Douglas Gregor} 1459bb969ed4193e2eadabfaa0dfd0b94312b6146349Douglas Gregor 14606477b69cc93e0a0ff15036d60d604f3544da0f29Douglas GregorParmVarDecl *TemplateDeclInstantiator::VisitParmVarDecl(ParmVarDecl *D) { 1461cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor return SemaRef.SubstParmVarDecl(D, TemplateArgs); 14622dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor} 14632dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor 1464e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCallDecl *TemplateDeclInstantiator::VisitTemplateTypeParmDecl( 1465e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall TemplateTypeParmDecl *D) { 1466e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall // TODO: don't always clone when decls are refcounted. 1467efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor const Type* T = D->getTypeForDecl(); 1468efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor assert(T->isTemplateTypeParmType()); 1469efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor const TemplateTypeParmType *TTPT = T->getAs<TemplateTypeParmType>(); 14701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1471e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall TemplateTypeParmDecl *Inst = 1472e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall TemplateTypeParmDecl::Create(SemaRef.Context, Owner, D->getLocation(), 147371b87e4fa6bfb47107b099135864f9024004a4c9Douglas Gregor TTPT->getDepth() - TemplateArgs.getNumLevels(), 147461139c561f1a2c872209e32ff9143487cebf4324Nick Lewycky TTPT->getIndex(), D->getIdentifier(), 1475e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall D->wasDeclaredWithTypename(), 1476e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall D->isParameterPack()); 1477e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 14780f8716b7bb25d61a82f699b3975167451f7b5a68Douglas Gregor if (D->hasDefaultArgument()) 14790f8716b7bb25d61a82f699b3975167451f7b5a68Douglas Gregor Inst->setDefaultArgument(D->getDefaultArgumentInfo(), false); 1480e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 1481550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // Introduce this template parameter's instantiation into the instantiation 1482550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // scope. 1483550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal(D, Inst); 1484550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor 1485e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall return Inst; 1486e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall} 1487e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 148833642df30088f2ddb0b22c609523ab8df9dff595Douglas GregorDecl *TemplateDeclInstantiator::VisitNonTypeTemplateParmDecl( 148933642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor NonTypeTemplateParmDecl *D) { 149033642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor // Substitute into the type of the non-type template parameter. 149133642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor QualType T; 1492a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = D->getTypeSourceInfo(); 149333642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor if (DI) { 149433642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor DI = SemaRef.SubstType(DI, TemplateArgs, D->getLocation(), 149533642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor D->getDeclName()); 149633642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor if (DI) T = DI->getType(); 149733642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor } else { 149833642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor T = SemaRef.SubstType(D->getType(), TemplateArgs, D->getLocation(), 149933642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor D->getDeclName()); 150033642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor DI = 0; 150133642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor } 150233642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor if (T.isNull()) 150333642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor return 0; 150433642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor 150533642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor // Check that this type is acceptable for a non-type template parameter. 150633642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor bool Invalid = false; 150733642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor T = SemaRef.CheckNonTypeTemplateParameterType(T, D->getLocation()); 150833642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor if (T.isNull()) { 150933642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor T = SemaRef.Context.IntTy; 151033642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor Invalid = true; 151133642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor } 151233642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor 151333642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor NonTypeTemplateParmDecl *Param 151433642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor = NonTypeTemplateParmDecl::Create(SemaRef.Context, Owner, D->getLocation(), 151571b87e4fa6bfb47107b099135864f9024004a4c9Douglas Gregor D->getDepth() - TemplateArgs.getNumLevels(), 151671b87e4fa6bfb47107b099135864f9024004a4c9Douglas Gregor D->getPosition(), D->getIdentifier(), T, 151771b87e4fa6bfb47107b099135864f9024004a4c9Douglas Gregor DI); 151833642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor if (Invalid) 151933642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor Param->setInvalidDecl(); 152033642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor 1521d92f7a297c0ed3f7d0ebcbb557e1d4c1925b8c72Abramo Bagnara Param->setDefaultArgument(D->getDefaultArgument(), false); 1522550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor 1523550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // Introduce this template parameter's instantiation into the instantiation 1524550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // scope. 1525550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal(D, Param); 152633642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor return Param; 152733642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor} 152833642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor 15290dde18e5a713bc186062ca1ebc9967500b07faeeAnders CarlssonDecl * 15309106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas GregorTemplateDeclInstantiator::VisitTemplateTemplateParmDecl( 15319106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor TemplateTemplateParmDecl *D) { 15329106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor // Instantiate the template parameter list of the template template parameter. 15339106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor TemplateParameterList *TempParams = D->getTemplateParameters(); 15349106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor TemplateParameterList *InstParams; 15359106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor { 15369106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor // Perform the actual substitution of template parameters within a new, 15379106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor // local instantiation scope. 15382a7fb27913999d132cf9e10e03dc5271faa2e9d3John McCall LocalInstantiationScope Scope(SemaRef); 15399106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor InstParams = SubstTemplateParams(TempParams); 15409106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor if (!InstParams) 15419106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor return NULL; 15429106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor } 15439106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor 15449106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor // Build the template template parameter. 15459106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor TemplateTemplateParmDecl *Param 15469106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor = TemplateTemplateParmDecl::Create(SemaRef.Context, Owner, D->getLocation(), 154771b87e4fa6bfb47107b099135864f9024004a4c9Douglas Gregor D->getDepth() - TemplateArgs.getNumLevels(), 154871b87e4fa6bfb47107b099135864f9024004a4c9Douglas Gregor D->getPosition(), D->getIdentifier(), 154971b87e4fa6bfb47107b099135864f9024004a4c9Douglas Gregor InstParams); 1550d92f7a297c0ed3f7d0ebcbb557e1d4c1925b8c72Abramo Bagnara Param->setDefaultArgument(D->getDefaultArgument(), false); 15514469e8a97cdca3725b4f8f366916143113c029acDouglas Gregor 15529106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor // Introduce this template parameter's instantiation into the instantiation 15539106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor // scope. 15549106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal(D, Param); 15559106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor 15569106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor return Param; 15579106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor} 15589106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor 155948c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas GregorDecl *TemplateDeclInstantiator::VisitUsingDirectiveDecl(UsingDirectiveDecl *D) { 156048c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor // Using directives are never dependent, so they require no explicit 156148c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor 156248c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor UsingDirectiveDecl *Inst 156348c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor = UsingDirectiveDecl::Create(SemaRef.Context, Owner, D->getLocation(), 156448c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor D->getNamespaceKeyLocation(), 156548c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor D->getQualifierRange(), D->getQualifier(), 156648c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor D->getIdentLocation(), 156748c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor D->getNominatedNamespace(), 156848c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor D->getCommonAncestor()); 156948c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor Owner->addDecl(Inst); 157048c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor return Inst; 157148c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor} 157248c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor 1573ed97649e9574b9d854fa4d6109c9333ae0993554John McCallDecl *TemplateDeclInstantiator::VisitUsingDecl(UsingDecl *D) { 15741b398205267ea69f35230eea50e0225db22ebb7eDouglas Gregor 15751b398205267ea69f35230eea50e0225db22ebb7eDouglas Gregor // The nested name specifier may be dependent, for example 15761b398205267ea69f35230eea50e0225db22ebb7eDouglas Gregor // template <typename T> struct t { 15771b398205267ea69f35230eea50e0225db22ebb7eDouglas Gregor // struct s1 { T f1(); }; 15781b398205267ea69f35230eea50e0225db22ebb7eDouglas Gregor // struct s2 : s1 { using s1::f1; }; 15791b398205267ea69f35230eea50e0225db22ebb7eDouglas Gregor // }; 15801b398205267ea69f35230eea50e0225db22ebb7eDouglas Gregor // template struct t<int>; 15811b398205267ea69f35230eea50e0225db22ebb7eDouglas Gregor // Here, in using s1::f1, s1 refers to t<T>::s1; 15821b398205267ea69f35230eea50e0225db22ebb7eDouglas Gregor // we need to substitute for t<int>::s1. 15831b398205267ea69f35230eea50e0225db22ebb7eDouglas Gregor NestedNameSpecifier *NNS = 15841b398205267ea69f35230eea50e0225db22ebb7eDouglas Gregor SemaRef.SubstNestedNameSpecifier(D->getTargetNestedNameDecl(), 15851b398205267ea69f35230eea50e0225db22ebb7eDouglas Gregor D->getNestedNameRange(), 15861b398205267ea69f35230eea50e0225db22ebb7eDouglas Gregor TemplateArgs); 15871b398205267ea69f35230eea50e0225db22ebb7eDouglas Gregor if (!NNS) 15881b398205267ea69f35230eea50e0225db22ebb7eDouglas Gregor return 0; 15891b398205267ea69f35230eea50e0225db22ebb7eDouglas Gregor 15901b398205267ea69f35230eea50e0225db22ebb7eDouglas Gregor // The name info is non-dependent, so no transformation 15911b398205267ea69f35230eea50e0225db22ebb7eDouglas Gregor // is required. 1592ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara DeclarationNameInfo NameInfo = D->getNameInfo(); 1593ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 15949f54ad4381370c6b771424b53d219e661d6d6706John McCall // We only need to do redeclaration lookups if we're in a class 15959f54ad4381370c6b771424b53d219e661d6d6706John McCall // scope (in fact, it's not really even possible in non-class 15969f54ad4381370c6b771424b53d219e661d6d6706John McCall // scopes). 15979f54ad4381370c6b771424b53d219e661d6d6706John McCall bool CheckRedeclaration = Owner->isRecord(); 15989f54ad4381370c6b771424b53d219e661d6d6706John McCall 1599ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara LookupResult Prev(SemaRef, NameInfo, Sema::LookupUsingDeclName, 1600ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara Sema::ForRedeclaration); 16019f54ad4381370c6b771424b53d219e661d6d6706John McCall 1602ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingDecl *NewUD = UsingDecl::Create(SemaRef.Context, Owner, 1603ed97649e9574b9d854fa4d6109c9333ae0993554John McCall D->getNestedNameRange(), 1604ed97649e9574b9d854fa4d6109c9333ae0993554John McCall D->getUsingLocation(), 16051b398205267ea69f35230eea50e0225db22ebb7eDouglas Gregor NNS, 1606ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara NameInfo, 1607ed97649e9574b9d854fa4d6109c9333ae0993554John McCall D->isTypeName()); 1608ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 1609ed97649e9574b9d854fa4d6109c9333ae0993554John McCall CXXScopeSpec SS; 16101b398205267ea69f35230eea50e0225db22ebb7eDouglas Gregor SS.setScopeRep(NNS); 1611ed97649e9574b9d854fa4d6109c9333ae0993554John McCall SS.setRange(D->getNestedNameRange()); 16129f54ad4381370c6b771424b53d219e661d6d6706John McCall 16139f54ad4381370c6b771424b53d219e661d6d6706John McCall if (CheckRedeclaration) { 16149f54ad4381370c6b771424b53d219e661d6d6706John McCall Prev.setHideTags(false); 16159f54ad4381370c6b771424b53d219e661d6d6706John McCall SemaRef.LookupQualifiedName(Prev, Owner); 16169f54ad4381370c6b771424b53d219e661d6d6706John McCall 16179f54ad4381370c6b771424b53d219e661d6d6706John McCall // Check for invalid redeclarations. 16189f54ad4381370c6b771424b53d219e661d6d6706John McCall if (SemaRef.CheckUsingDeclRedeclaration(D->getUsingLocation(), 16199f54ad4381370c6b771424b53d219e661d6d6706John McCall D->isTypeName(), SS, 16209f54ad4381370c6b771424b53d219e661d6d6706John McCall D->getLocation(), Prev)) 16219f54ad4381370c6b771424b53d219e661d6d6706John McCall NewUD->setInvalidDecl(); 16229f54ad4381370c6b771424b53d219e661d6d6706John McCall 16239f54ad4381370c6b771424b53d219e661d6d6706John McCall } 16249f54ad4381370c6b771424b53d219e661d6d6706John McCall 16259f54ad4381370c6b771424b53d219e661d6d6706John McCall if (!NewUD->isInvalidDecl() && 16269f54ad4381370c6b771424b53d219e661d6d6706John McCall SemaRef.CheckUsingDeclQualifier(D->getUsingLocation(), SS, 1627ed97649e9574b9d854fa4d6109c9333ae0993554John McCall D->getLocation())) 1628ed97649e9574b9d854fa4d6109c9333ae0993554John McCall NewUD->setInvalidDecl(); 16299f54ad4381370c6b771424b53d219e661d6d6706John McCall 1630ed97649e9574b9d854fa4d6109c9333ae0993554John McCall SemaRef.Context.setInstantiatedFromUsingDecl(NewUD, D); 1631ed97649e9574b9d854fa4d6109c9333ae0993554John McCall NewUD->setAccess(D->getAccess()); 1632ed97649e9574b9d854fa4d6109c9333ae0993554John McCall Owner->addDecl(NewUD); 1633ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 16349f54ad4381370c6b771424b53d219e661d6d6706John McCall // Don't process the shadow decls for an invalid decl. 16359f54ad4381370c6b771424b53d219e661d6d6706John McCall if (NewUD->isInvalidDecl()) 16369f54ad4381370c6b771424b53d219e661d6d6706John McCall return NewUD; 16379f54ad4381370c6b771424b53d219e661d6d6706John McCall 1638323c310efa0abd7a786b0303501186b5f33eb8d7John McCall bool isFunctionScope = Owner->isFunctionOrMethod(); 1639323c310efa0abd7a786b0303501186b5f33eb8d7John McCall 16409f54ad4381370c6b771424b53d219e661d6d6706John McCall // Process the shadow decls. 16419f54ad4381370c6b771424b53d219e661d6d6706John McCall for (UsingDecl::shadow_iterator I = D->shadow_begin(), E = D->shadow_end(); 16429f54ad4381370c6b771424b53d219e661d6d6706John McCall I != E; ++I) { 16439f54ad4381370c6b771424b53d219e661d6d6706John McCall UsingShadowDecl *Shadow = *I; 16449f54ad4381370c6b771424b53d219e661d6d6706John McCall NamedDecl *InstTarget = 16457c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor cast<NamedDecl>(SemaRef.FindInstantiatedDecl(Shadow->getLocation(), 16467c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor Shadow->getTargetDecl(), 16479f54ad4381370c6b771424b53d219e661d6d6706John McCall TemplateArgs)); 16489f54ad4381370c6b771424b53d219e661d6d6706John McCall 16499f54ad4381370c6b771424b53d219e661d6d6706John McCall if (CheckRedeclaration && 16509f54ad4381370c6b771424b53d219e661d6d6706John McCall SemaRef.CheckUsingShadowDecl(NewUD, InstTarget, Prev)) 16519f54ad4381370c6b771424b53d219e661d6d6706John McCall continue; 16529f54ad4381370c6b771424b53d219e661d6d6706John McCall 16539f54ad4381370c6b771424b53d219e661d6d6706John McCall UsingShadowDecl *InstShadow 16549f54ad4381370c6b771424b53d219e661d6d6706John McCall = SemaRef.BuildUsingShadowDecl(/*Scope*/ 0, NewUD, InstTarget); 16559f54ad4381370c6b771424b53d219e661d6d6706John McCall SemaRef.Context.setInstantiatedFromUsingShadowDecl(InstShadow, Shadow); 1656323c310efa0abd7a786b0303501186b5f33eb8d7John McCall 1657323c310efa0abd7a786b0303501186b5f33eb8d7John McCall if (isFunctionScope) 1658323c310efa0abd7a786b0303501186b5f33eb8d7John McCall SemaRef.CurrentInstantiationScope->InstantiatedLocal(Shadow, InstShadow); 16599f54ad4381370c6b771424b53d219e661d6d6706John McCall } 1660ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 1661ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return NewUD; 1662ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 1663ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 1664ed97649e9574b9d854fa4d6109c9333ae0993554John McCallDecl *TemplateDeclInstantiator::VisitUsingShadowDecl(UsingShadowDecl *D) { 16659f54ad4381370c6b771424b53d219e661d6d6706John McCall // Ignore these; we handle them in bulk when processing the UsingDecl. 16669f54ad4381370c6b771424b53d219e661d6d6706John McCall return 0; 1667ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 1668ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 16697ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallDecl * TemplateDeclInstantiator 16707ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall ::VisitUnresolvedUsingTypenameDecl(UnresolvedUsingTypenameDecl *D) { 16717ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall NestedNameSpecifier *NNS = 16727ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall SemaRef.SubstNestedNameSpecifier(D->getTargetNestedNameSpecifier(), 16737ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall D->getTargetNestedNameRange(), 16747ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall TemplateArgs); 16757ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall if (!NNS) 16767ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall return 0; 16777ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall 16787ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall CXXScopeSpec SS; 16797ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall SS.setRange(D->getTargetNestedNameRange()); 16807ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall SS.setScopeRep(NNS); 16817ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall 1682ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara // Since NameInfo refers to a typename, it cannot be a C++ special name. 1683ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara // Hence, no tranformation is required for it. 1684ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara DeclarationNameInfo NameInfo(D->getDeclName(), D->getLocation()); 16857ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall NamedDecl *UD = 16867ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall SemaRef.BuildUsingDeclaration(/*Scope*/ 0, D->getAccess(), 1687ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara D->getUsingLoc(), SS, NameInfo, 0, 16887ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall /*instantiation*/ true, 16897ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall /*typename*/ true, D->getTypenameLoc()); 16904469e8a97cdca3725b4f8f366916143113c029acDouglas Gregor if (UD) 1691ed97649e9574b9d854fa4d6109c9333ae0993554John McCall SemaRef.Context.setInstantiatedFromUsingDecl(cast<UsingDecl>(UD), D); 1692ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 16937ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall return UD; 16947ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall} 16957ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall 16967ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallDecl * TemplateDeclInstantiator 16977ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall ::VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D) { 16981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NestedNameSpecifier *NNS = 16991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SemaRef.SubstNestedNameSpecifier(D->getTargetNestedNameSpecifier(), 17001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump D->getTargetNestedNameRange(), 17010dde18e5a713bc186062ca1ebc9967500b07faeeAnders Carlsson TemplateArgs); 17020dde18e5a713bc186062ca1ebc9967500b07faeeAnders Carlsson if (!NNS) 17030dde18e5a713bc186062ca1ebc9967500b07faeeAnders Carlsson return 0; 17041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17050dde18e5a713bc186062ca1ebc9967500b07faeeAnders Carlsson CXXScopeSpec SS; 17060dde18e5a713bc186062ca1ebc9967500b07faeeAnders Carlsson SS.setRange(D->getTargetNestedNameRange()); 17070dde18e5a713bc186062ca1ebc9967500b07faeeAnders Carlsson SS.setScopeRep(NNS); 17081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1709ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara DeclarationNameInfo NameInfo 1710ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara = SemaRef.SubstDeclarationNameInfo(D->getNameInfo(), TemplateArgs); 1711ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara 17121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NamedDecl *UD = 17139488ea120e093068021f944176c3d610dd540914John McCall SemaRef.BuildUsingDeclaration(/*Scope*/ 0, D->getAccess(), 1714ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara D->getUsingLoc(), SS, NameInfo, 0, 17157ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall /*instantiation*/ true, 17167ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall /*typename*/ false, SourceLocation()); 17174469e8a97cdca3725b4f8f366916143113c029acDouglas Gregor if (UD) 1718ed97649e9574b9d854fa4d6109c9333ae0993554John McCall SemaRef.Context.setInstantiatedFromUsingDecl(cast<UsingDecl>(UD), D); 1719ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 17200d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return UD; 17210dde18e5a713bc186062ca1ebc9967500b07faeeAnders Carlsson} 17220dde18e5a713bc186062ca1ebc9967500b07faeeAnders Carlsson 1723ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCallDecl *Sema::SubstDecl(Decl *D, DeclContext *Owner, 1724d6350aefb1396b299e199c7f1fe51bb40c12e75eDouglas Gregor const MultiLevelTemplateArgumentList &TemplateArgs) { 17257e06390f8a60440d6fc5f0e633acdc2edd8ee924Douglas Gregor TemplateDeclInstantiator Instantiator(*this, Owner, TemplateArgs); 17262fa98001f832836e3f652c211a9d2f80501d659aDouglas Gregor if (D->isInvalidDecl()) 17272fa98001f832836e3f652c211a9d2f80501d659aDouglas Gregor return 0; 17282fa98001f832836e3f652c211a9d2f80501d659aDouglas Gregor 17298dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor return Instantiator.Visit(D); 17308dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor} 17318dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 1732e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall/// \brief Instantiates a nested template parameter list in the current 1733e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall/// instantiation context. 1734e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall/// 1735e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall/// \param L The parameter list to instantiate 1736e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall/// 1737e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall/// \returns NULL if there was an error 1738e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCallTemplateParameterList * 1739ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCallTemplateDeclInstantiator::SubstTemplateParams(TemplateParameterList *L) { 1740e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall // Get errors for all the parameters before bailing out. 1741e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall bool Invalid = false; 1742e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 1743e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall unsigned N = L->size(); 1744bf4ea56cdc376cef5a12abf6bf18dc34805c2226Douglas Gregor typedef llvm::SmallVector<NamedDecl *, 8> ParamVector; 1745e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall ParamVector Params; 1746e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall Params.reserve(N); 1747e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall for (TemplateParameterList::iterator PI = L->begin(), PE = L->end(); 1748e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall PI != PE; ++PI) { 1749bf4ea56cdc376cef5a12abf6bf18dc34805c2226Douglas Gregor NamedDecl *D = cast_or_null<NamedDecl>(Visit(*PI)); 1750e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall Params.push_back(D); 17519148c3f5829f4d031249faeb1043e7be914539e8Douglas Gregor Invalid = Invalid || !D || D->isInvalidDecl(); 1752e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall } 1753e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 1754e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall // Clean up if we had an error. 1755ff331c15729f7d4439d253c97f4d60f2a7ffd0c6Douglas Gregor if (Invalid) 1756e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall return NULL; 1757e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 1758e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall TemplateParameterList *InstL 1759e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall = TemplateParameterList::Create(SemaRef.Context, L->getTemplateLoc(), 1760e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall L->getLAngleLoc(), &Params.front(), N, 1761e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall L->getRAngleLoc()); 1762e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall return InstL; 17631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump} 1764e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 1765ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// \brief Instantiate the declaration of a class template partial 1766ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// specialization. 1767ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// 1768ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// \param ClassTemplate the (instantiated) class template that is partially 1769ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor// specialized by the instantiation of \p PartialSpec. 1770ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// 1771ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// \param PartialSpec the (uninstantiated) class template partial 1772ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// specialization that we are instantiating. 1773ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// 1774d65587f7a6d38965fa37158d3f57990a7faf3836Douglas Gregor/// \returns The instantiated partial specialization, if successful; otherwise, 1775d65587f7a6d38965fa37158d3f57990a7faf3836Douglas Gregor/// NULL to indicate an error. 1776d65587f7a6d38965fa37158d3f57990a7faf3836Douglas GregorClassTemplatePartialSpecializationDecl * 1777ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas GregorTemplateDeclInstantiator::InstantiateClassTemplatePartialSpecialization( 1778ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplateDecl *ClassTemplate, 1779ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplatePartialSpecializationDecl *PartialSpec) { 1780550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // Create a local instantiation scope for this class template partial 1781550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // specialization, which will contain the instantiations of the template 1782550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // parameters. 17832a7fb27913999d132cf9e10e03dc5271faa2e9d3John McCall LocalInstantiationScope Scope(SemaRef); 1784550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor 1785ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Substitute into the template parameters of the class template partial 1786ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // specialization. 1787ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor TemplateParameterList *TempParams = PartialSpec->getTemplateParameters(); 1788ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor TemplateParameterList *InstParams = SubstTemplateParams(TempParams); 1789ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor if (!InstParams) 1790d65587f7a6d38965fa37158d3f57990a7faf3836Douglas Gregor return 0; 1791ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1792ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Substitute into the template arguments of the class template partial 1793ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // specialization. 1794833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const TemplateArgumentLoc *PartialSpecTemplateArgs 1795833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall = PartialSpec->getTemplateArgsAsWritten(); 1796833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall unsigned N = PartialSpec->getNumTemplateArgsAsWritten(); 1797833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 1798d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall TemplateArgumentListInfo InstTemplateArgs; // no angle locations 1799833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall for (unsigned I = 0; I != N; ++I) { 1800d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall TemplateArgumentLoc Loc; 1801d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall if (SemaRef.Subst(PartialSpecTemplateArgs[I], Loc, TemplateArgs)) 1802d65587f7a6d38965fa37158d3f57990a7faf3836Douglas Gregor return 0; 1803d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall InstTemplateArgs.addArgument(Loc); 1804ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor } 1805ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1806ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1807ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Check that the template argument list is well-formed for this 1808ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // class template. 1809910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor llvm::SmallVector<TemplateArgument, 4> Converted; 1810ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor if (SemaRef.CheckTemplateArgumentList(ClassTemplate, 1811ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor PartialSpec->getLocation(), 1812d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall InstTemplateArgs, 1813ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor false, 1814ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor Converted)) 1815d65587f7a6d38965fa37158d3f57990a7faf3836Douglas Gregor return 0; 1816ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1817ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Figure out where to insert this class template partial specialization 1818ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // in the member template's set of class template partial specializations. 1819ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor void *InsertPos = 0; 1820ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplateSpecializationDecl *PrevDecl 1821910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor = ClassTemplate->findPartialSpecialization(Converted.data(), 1822910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor Converted.size(), InsertPos); 1823ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1824ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Build the canonical type that describes the converted template 1825ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // arguments of the class template partial specialization. 1826ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor QualType CanonType 1827ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor = SemaRef.Context.getTemplateSpecializationType(TemplateName(ClassTemplate), 1828910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor Converted.data(), 1829910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor Converted.size()); 1830ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1831ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Build the fully-sugared type for this class template 1832ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // specialization as the user wrote in the specialization 1833ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // itself. This means that we'll pretty-print the type retrieved 1834ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // from the specialization's declaration the way that the user 1835ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // actually wrote the specialization, rather than formatting the 1836ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // name based on the "canonical" representation used to store the 1837ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // template arguments in the specialization. 18383cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TypeSourceInfo *WrittenTy 18393cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall = SemaRef.Context.getTemplateSpecializationTypeInfo( 18403cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TemplateName(ClassTemplate), 18413cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall PartialSpec->getLocation(), 1842d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall InstTemplateArgs, 1843ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor CanonType); 1844ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1845ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor if (PrevDecl) { 1846ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // We've already seen a partial specialization with the same template 1847ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // parameters and template arguments. This can happen, for example, when 1848ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // substituting the outer template arguments ends up causing two 1849ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // class template partial specializations of a member class template 1850ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // to have identical forms, e.g., 1851ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // 1852ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // template<typename T, typename U> 1853ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // struct Outer { 1854ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // template<typename X, typename Y> struct Inner; 1855ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // template<typename Y> struct Inner<T, Y>; 1856ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // template<typename Y> struct Inner<U, Y>; 1857ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // }; 1858ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // 1859ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Outer<int, int> outer; // error: the partial specializations of Inner 1860ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // // have the same signature. 1861ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor SemaRef.Diag(PartialSpec->getLocation(), diag::err_partial_spec_redeclared) 1862d65587f7a6d38965fa37158d3f57990a7faf3836Douglas Gregor << WrittenTy->getType(); 1863ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor SemaRef.Diag(PrevDecl->getLocation(), diag::note_prev_partial_spec_here) 1864ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor << SemaRef.Context.getTypeDeclType(PrevDecl); 1865d65587f7a6d38965fa37158d3f57990a7faf3836Douglas Gregor return 0; 1866ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor } 1867ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1868ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1869ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Create the class template partial specialization declaration. 1870ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplatePartialSpecializationDecl *InstPartialSpec 187113c8577201e4fc0ddac5f09d05fd1778832137d1Douglas Gregor = ClassTemplatePartialSpecializationDecl::Create(SemaRef.Context, 187213c8577201e4fc0ddac5f09d05fd1778832137d1Douglas Gregor PartialSpec->getTagKind(), 187313c8577201e4fc0ddac5f09d05fd1778832137d1Douglas Gregor Owner, 1874ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor PartialSpec->getLocation(), 1875ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor InstParams, 1876ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplate, 1877910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor Converted.data(), 1878910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor Converted.size(), 1879d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall InstTemplateArgs, 18803cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall CanonType, 1881dc60c1eb4acbde6edcec9760de92f9098593d915Douglas Gregor 0, 1882cc0b1bc979b650a8a8b34b2032a074fd7724a90dArgyrios Kyrtzidis ClassTemplate->getNextPartialSpecSequenceNumber()); 1883b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Substitute the nested name specifier, if any. 1884b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (SubstQualifier(PartialSpec, InstPartialSpec)) 1885b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall return 0; 1886b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 1887ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor InstPartialSpec->setInstantiatedFromMember(PartialSpec); 18884469e8a97cdca3725b4f8f366916143113c029acDouglas Gregor InstPartialSpec->setTypeAsWritten(WrittenTy); 18894469e8a97cdca3725b4f8f366916143113c029acDouglas Gregor 1890ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Add this partial specialization to the set of class template partial 1891ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // specializations. 1892cc0b1bc979b650a8a8b34b2032a074fd7724a90dArgyrios Kyrtzidis ClassTemplate->AddPartialSpecialization(InstPartialSpec, InsertPos); 1893d65587f7a6d38965fa37158d3f57990a7faf3836Douglas Gregor return InstPartialSpec; 1894ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor} 1895ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 189621ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCallTypeSourceInfo* 189721ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCallTemplateDeclInstantiator::SubstFunctionType(FunctionDecl *D, 189821ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall llvm::SmallVectorImpl<ParmVarDecl *> &Params) { 189921ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall TypeSourceInfo *OldTInfo = D->getTypeSourceInfo(); 190021ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall assert(OldTInfo && "substituting function without type source info"); 190121ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall assert(Params.empty() && "parameter vector is non-empty at start"); 19026cd3b9fb8a29bb70fff01719bdde238723d67c10John McCall TypeSourceInfo *NewTInfo 19036cd3b9fb8a29bb70fff01719bdde238723d67c10John McCall = SemaRef.SubstFunctionDeclType(OldTInfo, TemplateArgs, 19046cd3b9fb8a29bb70fff01719bdde238723d67c10John McCall D->getTypeSpecStartLoc(), 19056cd3b9fb8a29bb70fff01719bdde238723d67c10John McCall D->getDeclName()); 190621ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall if (!NewTInfo) 190721ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall return 0; 19085545e166a956a20d7a6b58408e251a1119025485Douglas Gregor 1909cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor if (NewTInfo != OldTInfo) { 1910cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor // Get parameters from the new type info. 1911140a2bd77539b4537010d8cd6a0a3805ce724b3eAbramo Bagnara TypeLoc OldTL = OldTInfo->getTypeLoc().IgnoreParens(); 19126920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor if (FunctionProtoTypeLoc *OldProtoLoc 19136920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor = dyn_cast<FunctionProtoTypeLoc>(&OldTL)) { 1914140a2bd77539b4537010d8cd6a0a3805ce724b3eAbramo Bagnara TypeLoc NewTL = NewTInfo->getTypeLoc().IgnoreParens(); 19156920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor FunctionProtoTypeLoc *NewProtoLoc = cast<FunctionProtoTypeLoc>(&NewTL); 19166920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor assert(NewProtoLoc && "Missing prototype?"); 19176920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor for (unsigned i = 0, i_end = NewProtoLoc->getNumArgs(); i != i_end; ++i) { 19186920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor // FIXME: Variadic templates will break this. 19196920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor Params.push_back(NewProtoLoc->getArg(i)); 19206920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal( 1921895162da2d52f4243f61081d7436de66af4503fcDouglas Gregor OldProtoLoc->getArg(i), 1922895162da2d52f4243f61081d7436de66af4503fcDouglas Gregor NewProtoLoc->getArg(i)); 19236920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor } 1924895162da2d52f4243f61081d7436de66af4503fcDouglas Gregor } 1925cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor } else { 1926cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor // The function type itself was not dependent and therefore no 1927cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor // substitution occurred. However, we still need to instantiate 1928cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor // the function parameters themselves. 1929140a2bd77539b4537010d8cd6a0a3805ce724b3eAbramo Bagnara TypeLoc OldTL = OldTInfo->getTypeLoc().IgnoreParens(); 19306920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor if (FunctionProtoTypeLoc *OldProtoLoc 19316920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor = dyn_cast<FunctionProtoTypeLoc>(&OldTL)) { 19326920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor for (unsigned i = 0, i_end = OldProtoLoc->getNumArgs(); i != i_end; ++i) { 19336920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor ParmVarDecl *Parm = VisitParmVarDecl(OldProtoLoc->getArg(i)); 19346920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor if (!Parm) 19356920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor return 0; 19366920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor Params.push_back(Parm); 19376920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor } 1938cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor } 1939cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor } 194021ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall return NewTInfo; 19415545e166a956a20d7a6b58408e251a1119025485Douglas Gregor} 19425545e166a956a20d7a6b58408e251a1119025485Douglas Gregor 19431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// \brief Initializes the common fields of an instantiation function 1944e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor/// declaration (New) from the corresponding fields of its template (Tmpl). 1945e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor/// 1946e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor/// \returns true if there was an error 19471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpbool 19481eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateDeclInstantiator::InitFunctionInstantiation(FunctionDecl *New, 1949e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor FunctionDecl *Tmpl) { 1950e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor if (Tmpl->isDeleted()) 1951e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor New->setDeleted(); 19521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1953cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor // If we are performing substituting explicitly-specified template arguments 1954cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor // or deduced template arguments into a function template and we reach this 1955cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor // point, we are now past the point where SFINAE applies and have committed 19561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // to keeping the new function template specialization. We therefore 19571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // convert the active template instantiation for the function template 1958cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor // into a template instantiation for this specific function template 1959cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor // specialization, which is not a SFINAE context, so that we diagnose any 1960cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor // further errors in the declaration itself. 1961cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor typedef Sema::ActiveTemplateInstantiation ActiveInstType; 1962cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor ActiveInstType &ActiveInst = SemaRef.ActiveTemplateInstantiations.back(); 1963cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor if (ActiveInst.Kind == ActiveInstType::ExplicitTemplateArgumentSubstitution || 1964cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor ActiveInst.Kind == ActiveInstType::DeducedTemplateArgumentSubstitution) { 19651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionTemplateDecl *FunTmpl 1966cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor = dyn_cast<FunctionTemplateDecl>((Decl *)ActiveInst.Entity)) { 19671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(FunTmpl->getTemplatedDecl() == Tmpl && 1968cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor "Deduction from the wrong function template?"); 1969bcbb8bd3326a86aa70b7df386ae3c86c9ad255c5Daniel Dunbar (void) FunTmpl; 1970cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor ActiveInst.Kind = ActiveInstType::TemplateInstantiation; 1971cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor ActiveInst.Entity = reinterpret_cast<uintptr_t>(New); 1972f35f828f9883123772a9731af190a608f3236ef4Douglas Gregor --SemaRef.NonInstantiationEntries; 1973cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor } 1974cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor } 19751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19760ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor const FunctionProtoType *Proto = Tmpl->getType()->getAs<FunctionProtoType>(); 19770ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor assert(Proto && "Function template without prototype?"); 19780ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor 19790ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor if (Proto->hasExceptionSpec() || Proto->hasAnyExceptionSpec() || 19800ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor Proto->getNoReturnAttr()) { 19810ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor // The function has an exception specification or a "noreturn" 19820ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor // attribute. Substitute into each of the exception types. 19830ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor llvm::SmallVector<QualType, 4> Exceptions; 19840ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor for (unsigned I = 0, N = Proto->getNumExceptions(); I != N; ++I) { 19850ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor // FIXME: Poor location information! 1986b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor if (const PackExpansionType *PackExpansion 1987b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor = Proto->getExceptionType(I)->getAs<PackExpansionType>()) { 1988b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor // We have a pack expansion. Instantiate it. 1989b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor llvm::SmallVector<UnexpandedParameterPack, 2> Unexpanded; 1990b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor SemaRef.collectUnexpandedParameterPacks(PackExpansion->getPattern(), 1991b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor Unexpanded); 1992b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor assert(!Unexpanded.empty() && 1993b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor "Pack expansion without parameter packs?"); 1994b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor 1995b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor bool Expand = false; 1996b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor unsigned NumExpansions = 0; 1997b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor if (SemaRef.CheckParameterPacksForExpansion(New->getLocation(), 1998b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor SourceRange(), 1999b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor Unexpanded.data(), 2000b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor Unexpanded.size(), 2001b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor TemplateArgs, 2002b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor Expand, NumExpansions)) 2003b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor break; 2004b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor 2005b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor if (!Expand) { 2006b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor // We can't expand this pack expansion into separate arguments yet; 2007b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor // just substitute into the argument pack. 2008b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor Sema::ArgumentPackSubstitutionIndexRAII SubstIndex(SemaRef, -1); 2009b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor QualType T = SemaRef.SubstType(PackExpansion->getPattern(), 2010b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor TemplateArgs, 2011b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor New->getLocation(), New->getDeclName()); 2012b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor if (T.isNull()) 2013b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor break; 2014b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor 2015b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor Exceptions.push_back(T); 2016b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor continue; 2017b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor } 2018b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor 2019b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor // Substitute into the pack expansion pattern for each template 2020b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor bool Invalid = false; 2021b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor for (unsigned ArgIdx = 0; ArgIdx != NumExpansions; ++ArgIdx) { 2022b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor Sema::ArgumentPackSubstitutionIndexRAII SubstIndex(SemaRef, ArgIdx); 2023b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor 2024b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor QualType T = SemaRef.SubstType(PackExpansion->getPattern(), 2025b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor TemplateArgs, 2026b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor New->getLocation(), New->getDeclName()); 2027b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor if (T.isNull()) { 2028b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor Invalid = true; 2029b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor break; 2030b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor } 2031b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor 2032b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor Exceptions.push_back(T); 2033b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor } 2034b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor 2035b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor if (Invalid) 2036b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor break; 2037b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor 2038b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor continue; 2039b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor } 2040b99268b3083c882103bd1bd08bdcc9a76a2b4795Douglas Gregor 20410ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor QualType T 20420ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor = SemaRef.SubstType(Proto->getExceptionType(I), TemplateArgs, 20430ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor New->getLocation(), New->getDeclName()); 20440ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor if (T.isNull() || 20450ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor SemaRef.CheckSpecifiedExceptionType(T, New->getLocation())) 20460ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor continue; 20470ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor 20480ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor Exceptions.push_back(T); 20490ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor } 20500ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor 20510ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor // Rebuild the function type 20520ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor 2053e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = Proto->getExtProtoInfo(); 2054e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.HasExceptionSpec = Proto->hasExceptionSpec(); 2055e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.HasAnyExceptionSpec = Proto->hasAnyExceptionSpec(); 2056e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.NumExceptions = Exceptions.size(); 2057e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.Exceptions = Exceptions.data(); 2058e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = Proto->getExtInfo(); 2059e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 20600ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor const FunctionProtoType *NewProto 20610ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor = New->getType()->getAs<FunctionProtoType>(); 20620ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor assert(NewProto && "Template instantiation without function prototype?"); 20630ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor New->setType(SemaRef.Context.getFunctionType(NewProto->getResultType(), 20640ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor NewProto->arg_type_begin(), 20650ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor NewProto->getNumArgs(), 2066e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI)); 20670ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor } 20680ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor 20691d8d1ccd36888f1120b3a1df9e76f35dc2edb81dJohn McCall SemaRef.InstantiateAttrs(TemplateArgs, Tmpl, New); 20707cf84d66965a7706004d8590b5af5fe54b85f525Douglas Gregor 2071e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor return false; 2072e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor} 2073e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor 20745545e166a956a20d7a6b58408e251a1119025485Douglas Gregor/// \brief Initializes common fields of an instantiated method 20755545e166a956a20d7a6b58408e251a1119025485Douglas Gregor/// declaration (New) from the corresponding fields of its template 20765545e166a956a20d7a6b58408e251a1119025485Douglas Gregor/// (Tmpl). 20775545e166a956a20d7a6b58408e251a1119025485Douglas Gregor/// 20785545e166a956a20d7a6b58408e251a1119025485Douglas Gregor/// \returns true if there was an error 20791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpbool 20801eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateDeclInstantiator::InitMethodInstantiation(CXXMethodDecl *New, 20815545e166a956a20d7a6b58408e251a1119025485Douglas Gregor CXXMethodDecl *Tmpl) { 2082e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor if (InitFunctionInstantiation(New, Tmpl)) 2083e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor return true; 20841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20855545e166a956a20d7a6b58408e251a1119025485Douglas Gregor New->setAccess(Tmpl->getAccess()); 2086e7184df728bb339633d88c774b5097dd9318cc8aFariborz Jahanian if (Tmpl->isVirtualAsWritten()) 208785606ebf3dd1b5dd81a59ef25b5ad47627664774Douglas Gregor New->setVirtualAsWritten(true); 20885545e166a956a20d7a6b58408e251a1119025485Douglas Gregor 20895545e166a956a20d7a6b58408e251a1119025485Douglas Gregor // FIXME: attributes 20905545e166a956a20d7a6b58408e251a1119025485Douglas Gregor // FIXME: New needs a pointer to Tmpl 20915545e166a956a20d7a6b58408e251a1119025485Douglas Gregor return false; 20925545e166a956a20d7a6b58408e251a1119025485Douglas Gregor} 2093a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor 2094a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor/// \brief Instantiate the definition of the given function from its 2095a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor/// template. 2096a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor/// 2097b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// \param PointOfInstantiation the point at which the instantiation was 2098b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// required. Note that this is not precisely a "point of instantiation" 2099b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// for the function, but it's close. 2100b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// 2101a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor/// \param Function the already-instantiated declaration of a 2102b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// function template specialization or member function of a class template 2103b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// specialization. 2104b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// 2105b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// \param Recursive if true, recursively instantiates any functions that 2106b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// are required by this instantiation. 2107e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor/// 2108e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor/// \param DefinitionRequired if true, then we are performing an explicit 2109e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor/// instantiation where the body of the function is required. Complain if 2110e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor/// there is no such body. 2111f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregorvoid Sema::InstantiateFunctionDefinition(SourceLocation PointOfInstantiation, 2112b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor FunctionDecl *Function, 2113e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor bool Recursive, 2114e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor bool DefinitionRequired) { 211506a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis if (Function->isInvalidDecl() || Function->hasBody()) 211654dabfca850ca9e60e9ffb60003529f868d4d127Douglas Gregor return; 211754dabfca850ca9e60e9ffb60003529f868d4d127Douglas Gregor 2118251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor // Never instantiate an explicit specialization. 2119251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor if (Function->getTemplateSpecializationKind() == TSK_ExplicitSpecialization) 2120251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return; 21216cfacfe54c75baa4d67f1fbdf4f80644b662818eDouglas Gregor 21221eee0e753fb390b04848846e837714ec774b7bfdDouglas Gregor // Find the function body that we'll be substituting. 21233b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor const FunctionDecl *PatternDecl = Function->getTemplateInstantiationPattern(); 21241eee0e753fb390b04848846e837714ec774b7bfdDouglas Gregor Stmt *Pattern = 0; 21251eee0e753fb390b04848846e837714ec774b7bfdDouglas Gregor if (PatternDecl) 21266fb0aee4f9dc261bbec72e1283ad8dc0557a6d96Argyrios Kyrtzidis Pattern = PatternDecl->getBody(PatternDecl); 21271eee0e753fb390b04848846e837714ec774b7bfdDouglas Gregor 2128e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor if (!Pattern) { 2129e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor if (DefinitionRequired) { 2130e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor if (Function->getPrimaryTemplate()) 2131e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor Diag(PointOfInstantiation, 2132e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor diag::err_explicit_instantiation_undefined_func_template) 2133e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor << Function->getPrimaryTemplate(); 2134e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor else 2135e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor Diag(PointOfInstantiation, 2136e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor diag::err_explicit_instantiation_undefined_member) 2137e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor << 1 << Function->getDeclName() << Function->getDeclContext(); 2138e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor 2139e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor if (PatternDecl) 2140e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor Diag(PatternDecl->getLocation(), 2141e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor diag::note_explicit_instantiation_here); 2142cfe833be882f600206f1587f157b025b368497d7Douglas Gregor Function->setInvalidDecl(); 214358e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth } else if (Function->getTemplateSpecializationKind() 214458e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth == TSK_ExplicitInstantiationDefinition) { 214562c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth PendingInstantiations.push_back( 214658e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth std::make_pair(Function, PointOfInstantiation)); 2147e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor } 214858e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth 21491eee0e753fb390b04848846e837714ec774b7bfdDouglas Gregor return; 2150e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor } 21511eee0e753fb390b04848846e837714ec774b7bfdDouglas Gregor 2152d0e3daf2b980b505e535d35b432c938c6d0208efDouglas Gregor // C++0x [temp.explicit]p9: 2153d0e3daf2b980b505e535d35b432c938c6d0208efDouglas Gregor // Except for inline functions, other explicit instantiation declarations 21541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // have the effect of suppressing the implicit instantiation of the entity 2155d0e3daf2b980b505e535d35b432c938c6d0208efDouglas Gregor // to which they refer. 21561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (Function->getTemplateSpecializationKind() 2157d0e3daf2b980b505e535d35b432c938c6d0208efDouglas Gregor == TSK_ExplicitInstantiationDeclaration && 21587ced9c8529b734e313f62a3b81189d6f402f6713Douglas Gregor !PatternDecl->isInlined()) 2159d0e3daf2b980b505e535d35b432c938c6d0208efDouglas Gregor return; 21601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2161f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregor InstantiatingTemplate Inst(*this, PointOfInstantiation, Function); 2162f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregor if (Inst) 2163e7089b0c6ffe8a8854150b60df00fb544099f77dDouglas Gregor return; 2164e7089b0c6ffe8a8854150b60df00fb544099f77dDouglas Gregor 2165b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor // If we're performing recursive template instantiation, create our own 2166b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor // queue of pending implicit instantiations that we will instantiate later, 2167b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor // while we're still within our own instantiation context. 21682a5f99eb4e2af771faacfceb9f78e230129c5e5aNick Lewycky llvm::SmallVector<VTableUse, 16> SavedVTableUses; 216962c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth std::deque<PendingImplicitInstantiation> SavedPendingInstantiations; 21702a5f99eb4e2af771faacfceb9f78e230129c5e5aNick Lewycky if (Recursive) { 21712a5f99eb4e2af771faacfceb9f78e230129c5e5aNick Lewycky VTableUses.swap(SavedVTableUses); 217262c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth PendingInstantiations.swap(SavedPendingInstantiations); 21732a5f99eb4e2af771faacfceb9f78e230129c5e5aNick Lewycky } 21741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21759679cafc6368cceed1a5e69d3038d0316401b352Douglas Gregor EnterExpressionEvaluationContext EvalContext(*this, 2176f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::PotentiallyEvaluated); 2177d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall ActOnStartOfFunctionDef(0, Function); 2178e2c31ff0bc622e6fd7d47d7e08b53840f3be6c89Douglas Gregor 217954dabfca850ca9e60e9ffb60003529f868d4d127Douglas Gregor // Introduce a new scope where local variable instantiations will be 218060406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor // recorded, unless we're actually a member function within a local 218160406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor // class, in which case we need to merge our results with the parent 218260406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor // scope (of the enclosing function). 218360406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor bool MergeWithParentScope = false; 218460406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor if (CXXRecordDecl *Rec = dyn_cast<CXXRecordDecl>(Function->getDeclContext())) 218560406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor MergeWithParentScope = Rec->isLocalClass(); 218660406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor 218760406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor LocalInstantiationScope Scope(*this, MergeWithParentScope); 21881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 218954dabfca850ca9e60e9ffb60003529f868d4d127Douglas Gregor // Introduce the instantiated function parameters into the local 21908a6c0f1a48b8167ca1457c9f05288fa637033dc9Peter Collingbourne // instantiation scope, and set the parameter names to those used 21918a6c0f1a48b8167ca1457c9f05288fa637033dc9Peter Collingbourne // in the template. 21928a6c0f1a48b8167ca1457c9f05288fa637033dc9Peter Collingbourne for (unsigned I = 0, N = PatternDecl->getNumParams(); I != N; ++I) { 21938a6c0f1a48b8167ca1457c9f05288fa637033dc9Peter Collingbourne const ParmVarDecl *PatternParam = PatternDecl->getParamDecl(I); 21948a6c0f1a48b8167ca1457c9f05288fa637033dc9Peter Collingbourne ParmVarDecl *FunctionParam = Function->getParamDecl(I); 21958a6c0f1a48b8167ca1457c9f05288fa637033dc9Peter Collingbourne FunctionParam->setDeclName(PatternParam->getDeclName()); 21968a6c0f1a48b8167ca1457c9f05288fa637033dc9Peter Collingbourne Scope.InstantiatedLocal(PatternParam, FunctionParam); 21978a6c0f1a48b8167ca1457c9f05288fa637033dc9Peter Collingbourne } 219854dabfca850ca9e60e9ffb60003529f868d4d127Douglas Gregor 2199b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor // Enter the scope of this instantiation. We don't use 2200b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor // PushDeclContext because we don't have a scope. 2201b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor DeclContext *PreviousContext = CurContext; 2202b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor CurContext = Function; 2203b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor 22041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump MultiLevelTemplateArgumentList TemplateArgs = 2205e7089b0c6ffe8a8854150b60df00fb544099f77dDouglas Gregor getTemplateInstantiationArgs(Function, 0, false, PatternDecl); 2206090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson 2207090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson // If this is a constructor, instantiate the member initializers. 22081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const CXXConstructorDecl *Ctor = 2209090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson dyn_cast<CXXConstructorDecl>(PatternDecl)) { 2210090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson InstantiateMemInitializers(cast<CXXConstructorDecl>(Function), Ctor, 2211090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson TemplateArgs); 22121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 22131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 221454dabfca850ca9e60e9ffb60003529f868d4d127Douglas Gregor // Instantiate the function body. 221560d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult Body = SubstStmt(Pattern, TemplateArgs); 2216e2c31ff0bc622e6fd7d47d7e08b53840f3be6c89Douglas Gregor 221752604ab71a74b8ec481255dfeea7dc9dba63b1a5Douglas Gregor if (Body.isInvalid()) 221852604ab71a74b8ec481255dfeea7dc9dba63b1a5Douglas Gregor Function->setInvalidDecl(); 221952604ab71a74b8ec481255dfeea7dc9dba63b1a5Douglas Gregor 22209ae2f076ca5ab1feb3ba95629099ec2319833701John McCall ActOnFinishFunctionBody(Function, Body.get(), 2221e2c31ff0bc622e6fd7d47d7e08b53840f3be6c89Douglas Gregor /*IsInstantiation=*/true); 2222b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor 22230c01d18094100db92d38daa923c95661512db203John McCall PerformDependentDiagnostics(PatternDecl, TemplateArgs); 22240c01d18094100db92d38daa923c95661512db203John McCall 2225b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor CurContext = PreviousContext; 2226aba43bb13b3aa3e81990989375fba3a902bfe1c2Douglas Gregor 2227aba43bb13b3aa3e81990989375fba3a902bfe1c2Douglas Gregor DeclGroupRef DG(Function); 2228aba43bb13b3aa3e81990989375fba3a902bfe1c2Douglas Gregor Consumer.HandleTopLevelDecl(DG); 22291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 223060406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor // This class may have local implicit instantiations that need to be 223160406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor // instantiation within this scope. 223262c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth PerformPendingInstantiations(/*LocalOnly=*/true); 223360406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor Scope.Exit(); 223460406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor 2235b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor if (Recursive) { 22362a5f99eb4e2af771faacfceb9f78e230129c5e5aNick Lewycky // Define any pending vtables. 22372a5f99eb4e2af771faacfceb9f78e230129c5e5aNick Lewycky DefineUsedVTables(); 22382a5f99eb4e2af771faacfceb9f78e230129c5e5aNick Lewycky 2239b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor // Instantiate any pending implicit instantiations found during the 22401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // instantiation of this template. 224162c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth PerformPendingInstantiations(); 22421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22432a5f99eb4e2af771faacfceb9f78e230129c5e5aNick Lewycky // Restore the set of pending vtables. 22442a5f99eb4e2af771faacfceb9f78e230129c5e5aNick Lewycky VTableUses.swap(SavedVTableUses); 22452a5f99eb4e2af771faacfceb9f78e230129c5e5aNick Lewycky 2246b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor // Restore the set of pending implicit instantiations. 224762c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth PendingInstantiations.swap(SavedPendingInstantiations); 2248b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor } 2249a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor} 2250a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor 2251a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor/// \brief Instantiate the definition of the given variable from its 2252a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor/// template. 2253a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor/// 22547caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// \param PointOfInstantiation the point at which the instantiation was 22557caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// required. Note that this is not precisely a "point of instantiation" 22567caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// for the function, but it's close. 22577caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// 22587caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// \param Var the already-instantiated declaration of a static member 22597caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// variable of a class template specialization. 22607caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// 22617caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// \param Recursive if true, recursively instantiates any functions that 22627caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// are required by this instantiation. 2263e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor/// 2264e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor/// \param DefinitionRequired if true, then we are performing an explicit 2265e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor/// instantiation where an out-of-line definition of the member variable 2266e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor/// is required. Complain if there is no such definition. 22677caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregorvoid Sema::InstantiateStaticDataMemberDefinition( 22687caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor SourceLocation PointOfInstantiation, 22697caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor VarDecl *Var, 2270e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor bool Recursive, 2271e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor bool DefinitionRequired) { 22727caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Var->isInvalidDecl()) 22737caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return; 22741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22757caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // Find the out-of-line definition of this static data member. 22767caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor VarDecl *Def = Var->getInstantiatedFromStaticDataMember(); 22777caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Def && "This data member was not instantiated from a template?"); 22780d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor assert(Def->isStaticDataMember() && "Not a static data member?"); 22790d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor Def = Def->getOutOfLineDefinition(); 22801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22810d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor if (!Def) { 22827caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // We did not find an out-of-line definition of this static data member, 22837caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // so we won't perform any instantiation. Rather, we rely on the user to 22841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // instantiate this definition (or provide a specialization for it) in 22851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // another translation unit. 2286e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor if (DefinitionRequired) { 22870d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor Def = Var->getInstantiatedFromStaticDataMember(); 2288e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor Diag(PointOfInstantiation, 2289e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor diag::err_explicit_instantiation_undefined_member) 2290e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor << 2 << Var->getDeclName() << Var->getDeclContext(); 2291e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor Diag(Def->getLocation(), diag::note_explicit_instantiation_here); 229258e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth } else if (Var->getTemplateSpecializationKind() 229358e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth == TSK_ExplicitInstantiationDefinition) { 229462c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth PendingInstantiations.push_back( 229558e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth std::make_pair(Var, PointOfInstantiation)); 229658e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth } 229758e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth 22987caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return; 22997caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor } 23007caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 2301251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor // Never instantiate an explicit specialization. 23021028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor if (Var->getTemplateSpecializationKind() == TSK_ExplicitSpecialization) 2303251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return; 2304251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor 2305251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor // C++0x [temp.explicit]p9: 2306251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor // Except for inline functions, other explicit instantiation declarations 2307251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor // have the effect of suppressing the implicit instantiation of the entity 2308251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor // to which they refer. 23091028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor if (Var->getTemplateSpecializationKind() 2310251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor == TSK_ExplicitInstantiationDeclaration) 2311251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return; 23121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23137caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor InstantiatingTemplate Inst(*this, PointOfInstantiation, Var); 23147caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Inst) 23157caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return; 23161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23177caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // If we're performing recursive template instantiation, create our own 23187caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // queue of pending implicit instantiations that we will instantiate later, 23197caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // while we're still within our own instantiation context. 232062c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth std::deque<PendingImplicitInstantiation> SavedPendingInstantiations; 23217caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Recursive) 232262c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth PendingInstantiations.swap(SavedPendingInstantiations); 23231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23247caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // Enter the scope of this instantiation. We don't use 23257caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // PushDeclContext because we don't have a scope. 23267caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor DeclContext *PreviousContext = CurContext; 23277caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor CurContext = Var->getDeclContext(); 23281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23291028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor VarDecl *OldVar = Var; 2330ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCall Var = cast_or_null<VarDecl>(SubstDecl(Def, Var->getDeclContext(), 23316bb4dcb412d53d05a80017df81d41e447e2aa3eaNico Weber getTemplateInstantiationArgs(Var))); 23327caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor CurContext = PreviousContext; 23337caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 23347caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Var) { 2335583f33b8a9227bace1a77a15404b4c64dc619d69Douglas Gregor MemberSpecializationInfo *MSInfo = OldVar->getMemberSpecializationInfo(); 2336583f33b8a9227bace1a77a15404b4c64dc619d69Douglas Gregor assert(MSInfo && "Missing member specialization information?"); 2337583f33b8a9227bace1a77a15404b4c64dc619d69Douglas Gregor Var->setTemplateSpecializationKind(MSInfo->getTemplateSpecializationKind(), 2338583f33b8a9227bace1a77a15404b4c64dc619d69Douglas Gregor MSInfo->getPointOfInstantiation()); 23397caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor DeclGroupRef DG(Var); 23407caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor Consumer.HandleTopLevelDecl(DG); 23417caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor } 23421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23437caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Recursive) { 23447caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // Instantiate any pending implicit instantiations found during the 23451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // instantiation of this template. 234662c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth PerformPendingInstantiations(); 23471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23487caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // Restore the set of pending implicit instantiations. 234962c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth PendingInstantiations.swap(SavedPendingInstantiations); 23501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 2351a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor} 2352815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 2353090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlssonvoid 2354090253155017b7eec031bbd7bf07824a448e1d7aAnders CarlssonSema::InstantiateMemInitializers(CXXConstructorDecl *New, 2355090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson const CXXConstructorDecl *Tmpl, 2356090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson const MultiLevelTemplateArgumentList &TemplateArgs) { 23571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2358090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson llvm::SmallVector<MemInitTy*, 4> NewInits; 23599db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor bool AnyErrors = false; 23609db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor 2361090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson // Instantiate all the initializers. 2362090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson for (CXXConstructorDecl::init_const_iterator Inits = Tmpl->init_begin(), 236372f6d678c8de9f3a770e8ae5fc4979abf3940668Douglas Gregor InitsEnd = Tmpl->init_end(); 236472f6d678c8de9f3a770e8ae5fc4979abf3940668Douglas Gregor Inits != InitsEnd; ++Inits) { 2365090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson CXXBaseOrMemberInitializer *Init = *Inits; 2366090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson 2367030ef472f31709e175895853fcb43d61d09022c7Chandler Carruth // Only instantiate written initializers, let Sema re-construct implicit 2368030ef472f31709e175895853fcb43d61d09022c7Chandler Carruth // ones. 2369030ef472f31709e175895853fcb43d61d09022c7Chandler Carruth if (!Init->isWritten()) 2370030ef472f31709e175895853fcb43d61d09022c7Chandler Carruth continue; 2371030ef472f31709e175895853fcb43d61d09022c7Chandler Carruth 23726b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor SourceLocation LParenLoc, RParenLoc; 2373ca0408fb49c1370430672acf2d770b7151cf71deJohn McCall ASTOwningVector<Expr*> NewArgs(*this); 23741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23756b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor // Instantiate the initializer. 23766b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (InstantiateInitializer(*this, Init->getInit(), TemplateArgs, 2377a1a04786cea2445759026edacd096abd1fbf4a05Douglas Gregor LParenLoc, NewArgs, RParenLoc)) { 23786b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor AnyErrors = true; 23796b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor continue; 2380090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson } 23819db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor 2382090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson MemInitResult NewInit; 2383090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson if (Init->isBaseInitializer()) { 2384a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *BaseTInfo = SubstType(Init->getBaseClassInfo(), 2385802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor TemplateArgs, 2386802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor Init->getSourceLocation(), 2387802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor New->getDeclName()); 2388a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall if (!BaseTInfo) { 23899db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor AnyErrors = true; 2390802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor New->setInvalidDecl(); 2391802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor continue; 2392802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor } 2393802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor 2394a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall NewInit = BuildBaseInitializer(BaseTInfo->getType(), BaseTInfo, 23951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump (Expr **)NewArgs.data(), 2396090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson NewArgs.size(), 2397802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor Init->getLParenLoc(), 2398090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson Init->getRParenLoc(), 2399090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson New->getParent()); 2400090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson } else if (Init->isMemberInitializer()) { 240100eb3f9c5b33e3d99aee1f8b75dd9c9678fdd66bFrancois Pichet FieldDecl *Member = cast<FieldDecl>(FindInstantiatedDecl( 240200eb3f9c5b33e3d99aee1f8b75dd9c9678fdd66bFrancois Pichet Init->getMemberLocation(), 240300eb3f9c5b33e3d99aee1f8b75dd9c9678fdd66bFrancois Pichet Init->getMember(), 240400eb3f9c5b33e3d99aee1f8b75dd9c9678fdd66bFrancois Pichet TemplateArgs)); 24051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NewInit = BuildMemberInitializer(Member, (Expr **)NewArgs.data(), 2407090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson NewArgs.size(), 2408090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson Init->getSourceLocation(), 2409802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor Init->getLParenLoc(), 2410090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson Init->getRParenLoc()); 241100eb3f9c5b33e3d99aee1f8b75dd9c9678fdd66bFrancois Pichet } else if (Init->isIndirectMemberInitializer()) { 241200eb3f9c5b33e3d99aee1f8b75dd9c9678fdd66bFrancois Pichet IndirectFieldDecl *IndirectMember = 241300eb3f9c5b33e3d99aee1f8b75dd9c9678fdd66bFrancois Pichet cast<IndirectFieldDecl>(FindInstantiatedDecl( 241400eb3f9c5b33e3d99aee1f8b75dd9c9678fdd66bFrancois Pichet Init->getMemberLocation(), 241500eb3f9c5b33e3d99aee1f8b75dd9c9678fdd66bFrancois Pichet Init->getIndirectMember(), TemplateArgs)); 241600eb3f9c5b33e3d99aee1f8b75dd9c9678fdd66bFrancois Pichet 241700eb3f9c5b33e3d99aee1f8b75dd9c9678fdd66bFrancois Pichet NewInit = BuildMemberInitializer(IndirectMember, (Expr **)NewArgs.data(), 241800eb3f9c5b33e3d99aee1f8b75dd9c9678fdd66bFrancois Pichet NewArgs.size(), 241900eb3f9c5b33e3d99aee1f8b75dd9c9678fdd66bFrancois Pichet Init->getSourceLocation(), 242000eb3f9c5b33e3d99aee1f8b75dd9c9678fdd66bFrancois Pichet Init->getLParenLoc(), 242100eb3f9c5b33e3d99aee1f8b75dd9c9678fdd66bFrancois Pichet Init->getRParenLoc()); 2422090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson } 2423090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson 24249db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor if (NewInit.isInvalid()) { 24259db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor AnyErrors = true; 2426090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson New->setInvalidDecl(); 24279db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor } else { 2428090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson // FIXME: It would be nice if ASTOwningVector had a release function. 2429090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson NewArgs.take(); 24301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2431090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson NewInits.push_back((MemInitTy *)NewInit.get()); 2432090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson } 2433090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson } 24341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2435090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson // Assign all the initializers to the new constructor. 2436d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall ActOnMemInitializers(New, 2437090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson /*FIXME: ColonLoc */ 2438090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson SourceLocation(), 24399db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor NewInits.data(), NewInits.size(), 24409db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor AnyErrors); 2441090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson} 2442090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson 244352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall// TODO: this could be templated if the various decl types used the 244452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall// same method name. 244552a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCallstatic bool isInstantiationOf(ClassTemplateDecl *Pattern, 244652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall ClassTemplateDecl *Instance) { 244752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Pattern = Pattern->getCanonicalDecl(); 244852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 244952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall do { 245052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getCanonicalDecl(); 245152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (Pattern == Instance) return true; 245252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getInstantiatedFromMemberTemplate(); 245352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall } while (Instance); 245452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 245552a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return false; 245652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall} 245752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 24580d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregorstatic bool isInstantiationOf(FunctionTemplateDecl *Pattern, 24590d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor FunctionTemplateDecl *Instance) { 24600d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor Pattern = Pattern->getCanonicalDecl(); 24610d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor 24620d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor do { 24630d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor Instance = Instance->getCanonicalDecl(); 24640d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor if (Pattern == Instance) return true; 24650d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor Instance = Instance->getInstantiatedFromMemberTemplate(); 24660d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor } while (Instance); 24670d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor 24680d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor return false; 24690d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor} 24700d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor 2471ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregorstatic bool 2472ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas GregorisInstantiationOf(ClassTemplatePartialSpecializationDecl *Pattern, 2473ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplatePartialSpecializationDecl *Instance) { 2474ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor Pattern 2475ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor = cast<ClassTemplatePartialSpecializationDecl>(Pattern->getCanonicalDecl()); 2476ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor do { 2477ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor Instance = cast<ClassTemplatePartialSpecializationDecl>( 2478ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor Instance->getCanonicalDecl()); 2479ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor if (Pattern == Instance) 2480ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return true; 2481ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor Instance = Instance->getInstantiatedFromMember(); 2482ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor } while (Instance); 2483ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 2484ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return false; 2485ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor} 2486ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 248752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCallstatic bool isInstantiationOf(CXXRecordDecl *Pattern, 248852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall CXXRecordDecl *Instance) { 248952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Pattern = Pattern->getCanonicalDecl(); 249052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 249152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall do { 249252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getCanonicalDecl(); 249352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (Pattern == Instance) return true; 249452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getInstantiatedFromMemberClass(); 249552a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall } while (Instance); 249652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 249752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return false; 249852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall} 249952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 250052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCallstatic bool isInstantiationOf(FunctionDecl *Pattern, 250152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall FunctionDecl *Instance) { 250252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Pattern = Pattern->getCanonicalDecl(); 250352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 250452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall do { 250552a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getCanonicalDecl(); 250652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (Pattern == Instance) return true; 250752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getInstantiatedFromMemberFunction(); 250852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall } while (Instance); 250952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 251052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return false; 251152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall} 251252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 251352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCallstatic bool isInstantiationOf(EnumDecl *Pattern, 251452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall EnumDecl *Instance) { 251552a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Pattern = Pattern->getCanonicalDecl(); 251652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 251752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall do { 251852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getCanonicalDecl(); 251952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (Pattern == Instance) return true; 252052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getInstantiatedFromMemberEnum(); 252152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall } while (Instance); 252252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 252352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return false; 252452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall} 252552a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 2526ed97649e9574b9d854fa4d6109c9333ae0993554John McCallstatic bool isInstantiationOf(UsingShadowDecl *Pattern, 2527ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingShadowDecl *Instance, 2528ed97649e9574b9d854fa4d6109c9333ae0993554John McCall ASTContext &C) { 2529ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return C.getInstantiatedFromUsingShadowDecl(Instance) == Pattern; 2530ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 2531ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2532ed97649e9574b9d854fa4d6109c9333ae0993554John McCallstatic bool isInstantiationOf(UsingDecl *Pattern, 2533ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingDecl *Instance, 2534ed97649e9574b9d854fa4d6109c9333ae0993554John McCall ASTContext &C) { 2535ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return C.getInstantiatedFromUsingDecl(Instance) == Pattern; 2536ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 2537ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 25387ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallstatic bool isInstantiationOf(UnresolvedUsingValueDecl *Pattern, 25397ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall UsingDecl *Instance, 25407ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall ASTContext &C) { 2541ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return C.getInstantiatedFromUsingDecl(Instance) == Pattern; 25427ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall} 25437ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall 25447ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallstatic bool isInstantiationOf(UnresolvedUsingTypenameDecl *Pattern, 25450d8df780aef1acda5962347a32591efc629b6748Anders Carlsson UsingDecl *Instance, 25460d8df780aef1acda5962347a32591efc629b6748Anders Carlsson ASTContext &C) { 2547ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return C.getInstantiatedFromUsingDecl(Instance) == Pattern; 25480d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 25490d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 255052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCallstatic bool isInstantiationOfStaticDataMember(VarDecl *Pattern, 255152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall VarDecl *Instance) { 255252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall assert(Instance->isStaticDataMember()); 255352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 255452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Pattern = Pattern->getCanonicalDecl(); 255552a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 255652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall do { 255752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getCanonicalDecl(); 255852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (Pattern == Instance) return true; 255952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getInstantiatedFromStaticDataMember(); 256052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall } while (Instance); 256152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 256252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return false; 256352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall} 256452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 2565ed97649e9574b9d854fa4d6109c9333ae0993554John McCall// Other is the prospective instantiation 2566ed97649e9574b9d854fa4d6109c9333ae0993554John McCall// D is the prospective pattern 2567815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregorstatic bool isInstantiationOf(ASTContext &Ctx, NamedDecl *D, Decl *Other) { 25680d8df780aef1acda5962347a32591efc629b6748Anders Carlsson if (D->getKind() != Other->getKind()) { 25697ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall if (UnresolvedUsingTypenameDecl *UUD 25707ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall = dyn_cast<UnresolvedUsingTypenameDecl>(D)) { 25717ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall if (UsingDecl *UD = dyn_cast<UsingDecl>(Other)) { 25727ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall return isInstantiationOf(UUD, UD, Ctx); 25737ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall } 25747ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall } 25757ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall 25767ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall if (UnresolvedUsingValueDecl *UUD 25777ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall = dyn_cast<UnresolvedUsingValueDecl>(D)) { 25780d8df780aef1acda5962347a32591efc629b6748Anders Carlsson if (UsingDecl *UD = dyn_cast<UsingDecl>(Other)) { 25790d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return isInstantiationOf(UUD, UD, Ctx); 25800d8df780aef1acda5962347a32591efc629b6748Anders Carlsson } 25810d8df780aef1acda5962347a32591efc629b6748Anders Carlsson } 2582815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 25830d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return false; 25840d8df780aef1acda5962347a32591efc629b6748Anders Carlsson } 25851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 258652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (CXXRecordDecl *Record = dyn_cast<CXXRecordDecl>(Other)) 258752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return isInstantiationOf(cast<CXXRecordDecl>(D), Record); 25881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 258952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (FunctionDecl *Function = dyn_cast<FunctionDecl>(Other)) 259052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return isInstantiationOf(cast<FunctionDecl>(D), Function); 2591815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 259252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (EnumDecl *Enum = dyn_cast<EnumDecl>(Other)) 259352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return isInstantiationOf(cast<EnumDecl>(D), Enum); 2594815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 25957caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (VarDecl *Var = dyn_cast<VarDecl>(Other)) 259652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (Var->isStaticDataMember()) 259752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return isInstantiationOfStaticDataMember(cast<VarDecl>(D), Var); 259852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 259952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (ClassTemplateDecl *Temp = dyn_cast<ClassTemplateDecl>(Other)) 260052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return isInstantiationOf(cast<ClassTemplateDecl>(D), Temp); 2601a5bf7f13d7772b164750997f95ab18487bbc4114Douglas Gregor 26020d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor if (FunctionTemplateDecl *Temp = dyn_cast<FunctionTemplateDecl>(Other)) 26030d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor return isInstantiationOf(cast<FunctionTemplateDecl>(D), Temp); 26040d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor 2605ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor if (ClassTemplatePartialSpecializationDecl *PartialSpec 2606ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor = dyn_cast<ClassTemplatePartialSpecializationDecl>(Other)) 2607ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return isInstantiationOf(cast<ClassTemplatePartialSpecializationDecl>(D), 2608ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor PartialSpec); 2609ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 2610d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson if (FieldDecl *Field = dyn_cast<FieldDecl>(Other)) { 2611d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson if (!Field->getDeclName()) { 2612d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson // This is an unnamed field. 26131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Ctx.getInstantiatedFromUnnamedFieldDecl(Field) == 2614d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson cast<FieldDecl>(D); 2615d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson } 2616d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson } 26171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2618ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (UsingDecl *Using = dyn_cast<UsingDecl>(Other)) 2619ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return isInstantiationOf(cast<UsingDecl>(D), Using, Ctx); 2620ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2621ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (UsingShadowDecl *Shadow = dyn_cast<UsingShadowDecl>(Other)) 2622ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return isInstantiationOf(cast<UsingShadowDecl>(D), Shadow, Ctx); 2623ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2624815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor return D->getDeclName() && isa<NamedDecl>(Other) && 2625815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor D->getDeclName() == cast<NamedDecl>(Other)->getDeclName(); 2626815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor} 2627815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 2628815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregortemplate<typename ForwardIterator> 26291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic NamedDecl *findInstantiationOf(ASTContext &Ctx, 2630815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor NamedDecl *D, 2631815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor ForwardIterator first, 2632815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor ForwardIterator last) { 2633815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor for (; first != last; ++first) 2634815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor if (isInstantiationOf(Ctx, D, *first)) 2635815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor return cast<NamedDecl>(*first); 2636815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 2637815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor return 0; 2638815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor} 2639815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 264002cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// \brief Finds the instantiation of the given declaration context 264102cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// within the current instantiation. 264202cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// 264302cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// \returns NULL if there was an error 26447c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas GregorDeclContext *Sema::FindInstantiatedContext(SourceLocation Loc, DeclContext* DC, 2645e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor const MultiLevelTemplateArgumentList &TemplateArgs) { 264602cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall if (NamedDecl *D = dyn_cast<NamedDecl>(DC)) { 26477c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor Decl* ID = FindInstantiatedDecl(Loc, D, TemplateArgs); 264802cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall return cast_or_null<DeclContext>(ID); 264902cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall } else return DC; 265002cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall} 265102cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall 2652ed961e7fffc268eeace169869f5a059bcbd5fcbdDouglas Gregor/// \brief Find the instantiation of the given declaration within the 2653ed961e7fffc268eeace169869f5a059bcbd5fcbdDouglas Gregor/// current instantiation. 2654815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// 2655815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// This routine is intended to be used when \p D is a declaration 2656815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// referenced from within a template, that needs to mapped into the 2657815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// corresponding declaration within an instantiation. For example, 2658815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// given: 2659815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// 2660815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// \code 2661815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// template<typename T> 2662815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// struct X { 2663815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// enum Kind { 2664815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// KnownValue = sizeof(T) 2665815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// }; 2666815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// 2667815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// bool getKind() const { return KnownValue; } 2668815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// }; 2669815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// 2670815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// template struct X<int>; 2671815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// \endcode 2672815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// 2673815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// In the instantiation of X<int>::getKind(), we need to map the 2674815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// EnumConstantDecl for KnownValue (which refers to 2675815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// X<T>::<Kind>::KnownValue) to its instantiation 2676ed961e7fffc268eeace169869f5a059bcbd5fcbdDouglas Gregor/// (X<int>::<Kind>::KnownValue). InstantiateCurrentDeclRef() performs 2677ed961e7fffc268eeace169869f5a059bcbd5fcbdDouglas Gregor/// this mapping from within the instantiation of X<int>. 26787c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas GregorNamedDecl *Sema::FindInstantiatedDecl(SourceLocation Loc, NamedDecl *D, 2679e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor const MultiLevelTemplateArgumentList &TemplateArgs) { 2680815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor DeclContext *ParentDC = D->getDeclContext(); 2681550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor if (isa<ParmVarDecl>(D) || isa<NonTypeTemplateParmDecl>(D) || 26826d3e627dacdb2f749195635ab587fd067ef813e1Douglas Gregor isa<TemplateTypeParmDecl>(D) || isa<TemplateTemplateParmDecl>(D) || 2683766724566289e6951a90b6483f0d3e22fe4b9b52John McCall (ParentDC->isFunctionOrMethod() && ParentDC->isDependentContext())) { 26842bba76b0ec4c2f2134eebb1a2bbfe102f36c2f6eDouglas Gregor // D is a local of some kind. Look into the map of local 26852bba76b0ec4c2f2134eebb1a2bbfe102f36c2f6eDouglas Gregor // declarations to their instantiations. 26868dd0c5626455cdf94280783e85e413eed6cbf3d9Fariborz Jahanian return cast<NamedDecl>(CurrentInstantiationScope->getInstantiationOf(D)); 26872bba76b0ec4c2f2134eebb1a2bbfe102f36c2f6eDouglas Gregor } 2688815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 2689e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor if (CXXRecordDecl *Record = dyn_cast<CXXRecordDecl>(D)) { 2690e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor if (!Record->isDependentContext()) 2691e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor return D; 2692e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor 26938b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // If the RecordDecl is actually the injected-class-name or a 26948b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // "templated" declaration for a class template, class template 26958b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // partial specialization, or a member class of a class template, 26968b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // substitute into the injected-class-name of the class template 26978b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // or partial specialization to find the new DeclContext. 2698e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor QualType T; 2699e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor ClassTemplateDecl *ClassTemplate = Record->getDescribedClassTemplate(); 2700e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor 2701e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor if (ClassTemplate) { 270224bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor T = ClassTemplate->getInjectedClassNameSpecialization(); 2703e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor } else if (ClassTemplatePartialSpecializationDecl *PartialSpec 2704e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor = dyn_cast<ClassTemplatePartialSpecializationDecl>(Record)) { 2705e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor ClassTemplate = PartialSpec->getSpecializedTemplate(); 27063cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 27073cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall // If we call SubstType with an InjectedClassNameType here we 27083cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall // can end up in an infinite loop. 27093cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall T = Context.getTypeDeclType(Record); 27103cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(T) && 27113cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall "type of partial specialization is not an InjectedClassNameType"); 271231f17ecbef57b5679c017c375db330546b7b5145John McCall T = cast<InjectedClassNameType>(T)->getInjectedSpecializationType(); 27133cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 2714e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor 2715e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor if (!T.isNull()) { 27168b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // Substitute into the injected-class-name to get the type 27178b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // corresponding to the instantiation we want, which may also be 27188b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // the current instantiation (if we're in a template 27198b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // definition). This substitution should never fail, since we 27208b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // know we can instantiate the injected-class-name or we 27218b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // wouldn't have gotten to the injected-class-name! 27228b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor 27238b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // FIXME: Can we use the CurrentInstantiationScope to avoid this 27248b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // extra instantiation in the common case? 2725e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor T = SubstType(T, TemplateArgs, SourceLocation(), DeclarationName()); 2726e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor assert(!T.isNull() && "Instantiation of injected-class-name cannot fail."); 2727e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor 2728e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor if (!T->isDependentType()) { 2729e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor assert(T->isRecordType() && "Instantiation must produce a record type"); 2730e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor return T->getAs<RecordType>()->getDecl(); 2731e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor } 2732e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor 27338b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // We are performing "partial" template instantiation to create 27348b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // the member declarations for the members of a class template 27358b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // specialization. Therefore, D is actually referring to something 27368b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // in the current instantiation. Look through the current 27378b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // context, which contains actual instantiations, to find the 27388b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // instantiation of the "current instantiation" that D refers 27398b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // to. 27408b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor bool SawNonDependentContext = false; 27411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (DeclContext *DC = CurContext; !DC->isFileContext(); 274252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall DC = DC->getParent()) { 27431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ClassTemplateSpecializationDecl *Spec 27448b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor = dyn_cast<ClassTemplateSpecializationDecl>(DC)) 2745e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor if (isInstantiationOf(ClassTemplate, 2746e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor Spec->getSpecializedTemplate())) 274752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return Spec; 27488b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor 27498b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor if (!DC->isDependentContext()) 27508b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor SawNonDependentContext = true; 275152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall } 275252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 27538b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // We're performing "instantiation" of a member of the current 27548b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // instantiation while we are type-checking the 27558b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // definition. Compute the declaration context and return that. 27568b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor assert(!SawNonDependentContext && 27578b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor "No dependent context while instantiating record"); 27588b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor DeclContext *DC = computeDeclContext(T); 27598b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor assert(DC && 276052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall "Unable to find declaration for the current instantiation"); 27618b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor return cast<CXXRecordDecl>(DC); 276252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall } 27638b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor 2764e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor // Fall through to deal with other dependent record types (e.g., 2765e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor // anonymous unions in class templates). 2766e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor } 276752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 2768e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor if (!ParentDC->isDependentContext()) 2769e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor return D; 2770e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor 27717c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor ParentDC = FindInstantiatedContext(Loc, ParentDC, TemplateArgs); 27721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!ParentDC) 277344c73848d5d5bd34c05582dc8398a20bea7cd971Douglas Gregor return 0; 27741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2775815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor if (ParentDC != D->getDeclContext()) { 2776815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // We performed some kind of instantiation in the parent context, 2777815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // so now we need to look into the instantiated parent context to 2778815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // find the instantiation of the declaration D. 27797c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor 27803cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall // If our context used to be dependent, we may need to instantiate 27813cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall // it before performing lookup into that context. 27823cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (CXXRecordDecl *Spec = dyn_cast<CXXRecordDecl>(ParentDC)) { 27837c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor if (!Spec->isDependentContext()) { 27847c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor QualType T = Context.getTypeDeclType(Spec); 27853cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const RecordType *Tag = T->getAs<RecordType>(); 27863cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(Tag && "type of non-dependent record is not a RecordType"); 27873cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (!Tag->isBeingDefined() && 27883cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall RequireCompleteType(Loc, T, diag::err_incomplete_type)) 27893cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return 0; 2790a43064c7b721a51ab2c0d0ccdc4f84064aa7ceccDouglas Gregor 2791a43064c7b721a51ab2c0d0ccdc4f84064aa7ceccDouglas Gregor ParentDC = Tag->getDecl(); 27927c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor } 27937c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor } 27947c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor 2795815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor NamedDecl *Result = 0; 2796815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor if (D->getDeclName()) { 279717945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis DeclContext::lookup_result Found = ParentDC->lookup(D->getDeclName()); 2798815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor Result = findInstantiationOf(Context, D, Found.first, Found.second); 2799815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor } else { 2800815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // Since we don't have a name for the entity we're looking for, 2801815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // our only option is to walk through all of the declarations to 2802815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // find that name. This will occur in a few cases: 2803815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // 2804815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // - anonymous struct/union within a template 2805815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // - unnamed class/struct/union/enum within a template 2806815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // 2807815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // FIXME: Find a better way to find these instantiations! 28081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Result = findInstantiationOf(Context, D, 280917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis ParentDC->decls_begin(), 281017945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis ParentDC->decls_end()); 2811815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor } 28121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28139f54ad4381370c6b771424b53d219e661d6d6706John McCall // UsingShadowDecls can instantiate to nothing because of using hiding. 281400225547b51b42f7400eed36475b6672418a1151Douglas Gregor assert((Result || isa<UsingShadowDecl>(D) || D->isInvalidDecl() || 281500225547b51b42f7400eed36475b6672418a1151Douglas Gregor cast<Decl>(ParentDC)->isInvalidDecl()) 28169f54ad4381370c6b771424b53d219e661d6d6706John McCall && "Unable to find instantiation of declaration!"); 28179f54ad4381370c6b771424b53d219e661d6d6706John McCall 2818815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor D = Result; 2819815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor } 2820815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 2821815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor return D; 2822815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor} 2823d7f37bf8b9a211455c5037df7b7e88e5a9510119Douglas Gregor 28241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// \brief Performs template instantiation for all implicit template 2825d7f37bf8b9a211455c5037df7b7e88e5a9510119Douglas Gregor/// instantiations we have seen until this point. 282662c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruthvoid Sema::PerformPendingInstantiations(bool LocalOnly) { 282760406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor while (!PendingLocalImplicitInstantiations.empty() || 282862c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth (!LocalOnly && !PendingInstantiations.empty())) { 282960406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor PendingImplicitInstantiation Inst; 283060406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor 283160406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor if (PendingLocalImplicitInstantiations.empty()) { 283262c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth Inst = PendingInstantiations.front(); 283362c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth PendingInstantiations.pop_front(); 283460406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor } else { 283560406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor Inst = PendingLocalImplicitInstantiations.front(); 283660406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor PendingLocalImplicitInstantiations.pop_front(); 283760406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor } 28381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28397caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // Instantiate function definitions 28407caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (FunctionDecl *Function = dyn_cast<FunctionDecl>(Inst.first)) { 2841f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall PrettyDeclStackTraceEntry CrashInfo(*this, Function, SourceLocation(), 2842f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall "instantiating function definition"); 284358e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth bool DefinitionRequired = Function->getTemplateSpecializationKind() == 284458e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth TSK_ExplicitInstantiationDefinition; 284558e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth InstantiateFunctionDefinition(/*FIXME:*/Inst.second, Function, true, 284658e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth DefinitionRequired); 28477caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor continue; 28487caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor } 28491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28507caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // Instantiate static data member definitions. 28517caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor VarDecl *Var = cast<VarDecl>(Inst.first); 28527caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Var->isStaticDataMember() && "Not a static data member?"); 2853c17fb7bd9a06b027c792c7dfad7e9fa430277affAnders Carlsson 2854291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth // Don't try to instantiate declarations if the most recent redeclaration 2855291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth // is invalid. 2856291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth if (Var->getMostRecentDeclaration()->isInvalidDecl()) 2857291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth continue; 2858291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth 2859291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth // Check if the most recent declaration has changed the specialization kind 2860291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth // and removed the need for implicit instantiation. 2861291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth switch (Var->getMostRecentDeclaration()->getTemplateSpecializationKind()) { 2862291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth case TSK_Undeclared: 2863291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth assert(false && "Cannot instantitiate an undeclared specialization."); 2864291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth case TSK_ExplicitInstantiationDeclaration: 2865291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth case TSK_ExplicitSpecialization: 286658e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth continue; // No longer need to instantiate this type. 286758e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth case TSK_ExplicitInstantiationDefinition: 286858e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth // We only need an instantiation if the pending instantiation *is* the 286958e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth // explicit instantiation. 287058e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth if (Var != Var->getMostRecentDeclaration()) continue; 2871291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth case TSK_ImplicitInstantiation: 2872291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth break; 2873291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth } 2874291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth 2875f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall PrettyDeclStackTraceEntry CrashInfo(*this, Var, Var->getLocation(), 2876f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall "instantiating static data member " 2877f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall "definition"); 28781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 287958e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth bool DefinitionRequired = Var->getTemplateSpecializationKind() == 288058e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth TSK_ExplicitInstantiationDefinition; 288158e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth InstantiateStaticDataMemberDefinition(/*FIXME:*/Inst.second, Var, true, 288258e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth DefinitionRequired); 2883d7f37bf8b9a211455c5037df7b7e88e5a9510119Douglas Gregor } 2884d7f37bf8b9a211455c5037df7b7e88e5a9510119Douglas Gregor} 28850c01d18094100db92d38daa923c95661512db203John McCall 28860c01d18094100db92d38daa923c95661512db203John McCallvoid Sema::PerformDependentDiagnostics(const DeclContext *Pattern, 28870c01d18094100db92d38daa923c95661512db203John McCall const MultiLevelTemplateArgumentList &TemplateArgs) { 28880c01d18094100db92d38daa923c95661512db203John McCall for (DeclContext::ddiag_iterator I = Pattern->ddiag_begin(), 28890c01d18094100db92d38daa923c95661512db203John McCall E = Pattern->ddiag_end(); I != E; ++I) { 28900c01d18094100db92d38daa923c95661512db203John McCall DependentDiagnostic *DD = *I; 28910c01d18094100db92d38daa923c95661512db203John McCall 28920c01d18094100db92d38daa923c95661512db203John McCall switch (DD->getKind()) { 28930c01d18094100db92d38daa923c95661512db203John McCall case DependentDiagnostic::Access: 28940c01d18094100db92d38daa923c95661512db203John McCall HandleDependentAccessCheck(*DD, TemplateArgs); 28950c01d18094100db92d38daa923c95661512db203John McCall break; 28960c01d18094100db92d38daa923c95661512db203John McCall } 28970c01d18094100db92d38daa923c95661512db203John McCall } 28980c01d18094100db92d38daa923c95661512db203John McCall} 2899