SemaTemplateInstantiateDecl.cpp revision 1b398205267ea69f35230eea50e0225db22ebb7e
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 288dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregornamespace { 2985b4521e34dcd4a0a4a1f0819e1123128e5a3125Benjamin Kramer class TemplateDeclInstantiator 30b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner : public DeclVisitor<TemplateDeclInstantiator, Decl *> { 318dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Sema &SemaRef; 328dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor DeclContext *Owner; 33d6350aefb1396b299e199c7f1fe51bb40c12e75eDouglas Gregor const MultiLevelTemplateArgumentList &TemplateArgs; 341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 358dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor public: 368dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor TemplateDeclInstantiator(Sema &SemaRef, DeclContext *Owner, 37d6350aefb1396b299e199c7f1fe51bb40c12e75eDouglas Gregor const MultiLevelTemplateArgumentList &TemplateArgs) 387e06390f8a60440d6fc5f0e633acdc2edd8ee924Douglas Gregor : SemaRef(SemaRef), Owner(Owner), TemplateArgs(TemplateArgs) { } 391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 40390b4cc8b45a05612349269ef08faab3e4688f06Mike Stump // FIXME: Once we get closer to completion, replace these manually-written 41390b4cc8b45a05612349269ef08faab3e4688f06Mike Stump // declarations with automatically-generated ones from 429a55591af3e5506b95a9718e15380129fbfc5ebcSean Hunt // clang/AST/DeclNodes.inc. 434f722be4587a7a0dece399fb5405dda158971ae1Douglas Gregor Decl *VisitTranslationUnitDecl(TranslationUnitDecl *D); 444f722be4587a7a0dece399fb5405dda158971ae1Douglas Gregor Decl *VisitNamespaceDecl(NamespaceDecl *D); 453dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall Decl *VisitNamespaceAliasDecl(NamespaceAliasDecl *D); 468dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Decl *VisitTypedefDecl(TypedefDecl *D); 473d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor Decl *VisitVarDecl(VarDecl *D); 486206d53f67613958ae1b023aba337ebb46f11a8bAbramo Bagnara Decl *VisitAccessSpecDecl(AccessSpecDecl *D); 498dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Decl *VisitFieldDecl(FieldDecl *D); 508dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Decl *VisitStaticAssertDecl(StaticAssertDecl *D); 518dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Decl *VisitEnumDecl(EnumDecl *D); 526477b69cc93e0a0ff15036d60d604f3544da0f29Douglas Gregor Decl *VisitEnumConstantDecl(EnumConstantDecl *D); 5302cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall Decl *VisitFriendDecl(FriendDecl *D); 54a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor Decl *VisitFunctionDecl(FunctionDecl *D, 55a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor TemplateParameterList *TemplateParams = 0); 56d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor Decl *VisitCXXRecordDecl(CXXRecordDecl *D); 57d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor Decl *VisitCXXMethodDecl(CXXMethodDecl *D, 58d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor TemplateParameterList *TemplateParams = 0); 59615c5d4674355ba830b9978f462ca7a8c5d15f85Douglas Gregor Decl *VisitCXXConstructorDecl(CXXConstructorDecl *D); 6003b2b07aaef3a585aec13048a33356c7f635de72Douglas Gregor Decl *VisitCXXDestructorDecl(CXXDestructorDecl *D); 61bb969ed4193e2eadabfaa0dfd0b94312b6146349Douglas Gregor Decl *VisitCXXConversionDecl(CXXConversionDecl *D); 626477b69cc93e0a0ff15036d60d604f3544da0f29Douglas Gregor ParmVarDecl *VisitParmVarDecl(ParmVarDecl *D); 63e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall Decl *VisitClassTemplateDecl(ClassTemplateDecl *D); 647974c3b7062f85bb7c0ada34526cdefe1d30f89bDouglas Gregor Decl *VisitClassTemplatePartialSpecializationDecl( 657974c3b7062f85bb7c0ada34526cdefe1d30f89bDouglas Gregor ClassTemplatePartialSpecializationDecl *D); 66d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor Decl *VisitFunctionTemplateDecl(FunctionTemplateDecl *D); 67e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall Decl *VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D); 6833642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor Decl *VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D); 699106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor Decl *VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D); 7048c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor Decl *VisitUsingDirectiveDecl(UsingDirectiveDecl *D); 71ed97649e9574b9d854fa4d6109c9333ae0993554John McCall Decl *VisitUsingDecl(UsingDecl *D); 72ed97649e9574b9d854fa4d6109c9333ae0993554John McCall Decl *VisitUsingShadowDecl(UsingShadowDecl *D); 737ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall Decl *VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D); 747ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall Decl *VisitUnresolvedUsingTypenameDecl(UnresolvedUsingTypenameDecl *D); 751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 768dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // Base case. FIXME: Remove once we can instantiate everything. 7748c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor Decl *VisitDecl(Decl *D) { 7848c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor unsigned DiagID = SemaRef.getDiagnostics().getCustomDiagID( 7948c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor Diagnostic::Error, 8048c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor "cannot instantiate %0 yet"); 8148c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor SemaRef.Diag(D->getLocation(), DiagID) 8248c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor << D->getDeclKindName(); 8348c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor 848dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor return 0; 858dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 865545e166a956a20d7a6b58408e251a1119025485Douglas Gregor 875545e166a956a20d7a6b58408e251a1119025485Douglas Gregor // Helper functions for instantiating methods. 8821ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall TypeSourceInfo *SubstFunctionType(FunctionDecl *D, 895545e166a956a20d7a6b58408e251a1119025485Douglas Gregor llvm::SmallVectorImpl<ParmVarDecl *> &Params); 90e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor bool InitFunctionInstantiation(FunctionDecl *New, FunctionDecl *Tmpl); 915545e166a956a20d7a6b58408e251a1119025485Douglas Gregor bool InitMethodInstantiation(CXXMethodDecl *New, CXXMethodDecl *Tmpl); 92e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 93e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall TemplateParameterList * 94ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCall SubstTemplateParams(TemplateParameterList *List); 95b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 96b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall bool SubstQualifier(const DeclaratorDecl *OldDecl, 97b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall DeclaratorDecl *NewDecl); 98b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall bool SubstQualifier(const TagDecl *OldDecl, 99b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall TagDecl *NewDecl); 100ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 101ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor bool InstantiateClassTemplatePartialSpecialization( 102ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplateDecl *ClassTemplate, 103ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplatePartialSpecializationDecl *PartialSpec); 1048dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor }; 1058dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor} 1068dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 107b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCallbool TemplateDeclInstantiator::SubstQualifier(const DeclaratorDecl *OldDecl, 108b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall DeclaratorDecl *NewDecl) { 109b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall NestedNameSpecifier *OldQual = OldDecl->getQualifier(); 110b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (!OldQual) return false; 111b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 112b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall SourceRange QualRange = OldDecl->getQualifierRange(); 113b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 114b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall NestedNameSpecifier *NewQual 115b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall = SemaRef.SubstNestedNameSpecifier(OldQual, QualRange, TemplateArgs); 116b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (!NewQual) 117b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall return true; 118b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 119b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall NewDecl->setQualifierInfo(NewQual, QualRange); 120b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall return false; 121b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall} 122b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 123b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCallbool TemplateDeclInstantiator::SubstQualifier(const TagDecl *OldDecl, 124b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall TagDecl *NewDecl) { 125b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall NestedNameSpecifier *OldQual = OldDecl->getQualifier(); 126b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (!OldQual) return false; 127b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 128b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall SourceRange QualRange = OldDecl->getQualifierRange(); 129b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 130b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall NestedNameSpecifier *NewQual 131b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall = SemaRef.SubstNestedNameSpecifier(OldQual, QualRange, TemplateArgs); 132b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (!NewQual) 133b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall return true; 134b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 135b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall NewDecl->setQualifierInfo(NewQual, QualRange); 136b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall return false; 137b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall} 138b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 1394ced79f0971592e6e7122037de69ee9ae534ce72Chandler Carruth// FIXME: Is this still too simple? 1401d8d1ccd36888f1120b3a1df9e76f35dc2edb81dJohn McCallvoid Sema::InstantiateAttrs(const MultiLevelTemplateArgumentList &TemplateArgs, 1411d8d1ccd36888f1120b3a1df9e76f35dc2edb81dJohn McCall Decl *Tmpl, Decl *New) { 142cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt for (AttrVec::const_iterator i = Tmpl->attr_begin(), e = Tmpl->attr_end(); 143cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt i != e; ++i) { 144cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt const Attr *TmplAttr = *i; 1454ced79f0971592e6e7122037de69ee9ae534ce72Chandler Carruth // FIXME: This should be generalized to more than just the AlignedAttr. 1464ced79f0971592e6e7122037de69ee9ae534ce72Chandler Carruth if (const AlignedAttr *Aligned = dyn_cast<AlignedAttr>(TmplAttr)) { 147cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt if (Aligned->isAlignmentDependent()) { 1484ced79f0971592e6e7122037de69ee9ae534ce72Chandler Carruth // The alignment expression is not potentially evaluated. 1491d8d1ccd36888f1120b3a1df9e76f35dc2edb81dJohn McCall EnterExpressionEvaluationContext Unevaluated(*this, 150f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::Unevaluated); 1514ced79f0971592e6e7122037de69ee9ae534ce72Chandler Carruth 152cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt if (Aligned->isAlignmentExpr()) { 15360d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Result = SubstExpr(Aligned->getAlignmentExpr(), 154cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt TemplateArgs); 155cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt if (!Result.isInvalid()) 156cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt AddAlignedAttr(Aligned->getLocation(), New, Result.takeAs<Expr>()); 157cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt } 158cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt else { 159cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt TypeSourceInfo *Result = SubstType(Aligned->getAlignmentType(), 160cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt TemplateArgs, 161cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt Aligned->getLocation(), 162cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt DeclarationName()); 163cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt if (Result) 164cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt AddAlignedAttr(Aligned->getLocation(), New, Result); 165cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt } 1664ced79f0971592e6e7122037de69ee9ae534ce72Chandler Carruth continue; 1674ced79f0971592e6e7122037de69ee9ae534ce72Chandler Carruth } 1684ced79f0971592e6e7122037de69ee9ae534ce72Chandler Carruth } 1694ced79f0971592e6e7122037de69ee9ae534ce72Chandler Carruth 170d8fe2d56fb5463c9d109e8c6dab2e98b06bee186Anders Carlsson // FIXME: Is cloning correct for all attributes? 1711d8d1ccd36888f1120b3a1df9e76f35dc2edb81dJohn McCall Attr *NewAttr = TmplAttr->clone(Context); 172d8fe2d56fb5463c9d109e8c6dab2e98b06bee186Anders Carlsson New->addAttr(NewAttr); 173d8fe2d56fb5463c9d109e8c6dab2e98b06bee186Anders Carlsson } 174d8fe2d56fb5463c9d109e8c6dab2e98b06bee186Anders Carlsson} 175d8fe2d56fb5463c9d109e8c6dab2e98b06bee186Anders Carlsson 1764f722be4587a7a0dece399fb5405dda158971ae1Douglas GregorDecl * 1774f722be4587a7a0dece399fb5405dda158971ae1Douglas GregorTemplateDeclInstantiator::VisitTranslationUnitDecl(TranslationUnitDecl *D) { 1784f722be4587a7a0dece399fb5405dda158971ae1Douglas Gregor assert(false && "Translation units cannot be instantiated"); 1794f722be4587a7a0dece399fb5405dda158971ae1Douglas Gregor return D; 1804f722be4587a7a0dece399fb5405dda158971ae1Douglas Gregor} 1814f722be4587a7a0dece399fb5405dda158971ae1Douglas Gregor 1824f722be4587a7a0dece399fb5405dda158971ae1Douglas GregorDecl * 1834f722be4587a7a0dece399fb5405dda158971ae1Douglas GregorTemplateDeclInstantiator::VisitNamespaceDecl(NamespaceDecl *D) { 1844f722be4587a7a0dece399fb5405dda158971ae1Douglas Gregor assert(false && "Namespaces cannot be instantiated"); 1854f722be4587a7a0dece399fb5405dda158971ae1Douglas Gregor return D; 1864f722be4587a7a0dece399fb5405dda158971ae1Douglas Gregor} 1874f722be4587a7a0dece399fb5405dda158971ae1Douglas Gregor 1883dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCallDecl * 1893dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCallTemplateDeclInstantiator::VisitNamespaceAliasDecl(NamespaceAliasDecl *D) { 1903dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall NamespaceAliasDecl *Inst 1913dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall = NamespaceAliasDecl::Create(SemaRef.Context, Owner, 1923dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall D->getNamespaceLoc(), 1933dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall D->getAliasLoc(), 1943dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall D->getNamespace()->getIdentifier(), 1953dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall D->getQualifierRange(), 1963dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall D->getQualifier(), 1973dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall D->getTargetNameLoc(), 1983dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall D->getNamespace()); 1993dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall Owner->addDecl(Inst); 2003dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall return Inst; 2013dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall} 2023dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall 2038dbc2694424b4e842b1d5ea39744a137b58600c3Douglas GregorDecl *TemplateDeclInstantiator::VisitTypedefDecl(TypedefDecl *D) { 2048dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor bool Invalid = false; 205a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = D->getTypeSourceInfo(); 206836adf6771d5170d936599dfcce21687e37e9bbfDouglas Gregor if (DI->getType()->isDependentType() || 207836adf6771d5170d936599dfcce21687e37e9bbfDouglas Gregor DI->getType()->isVariablyModifiedType()) { 208ba6a9bd384df475780be636ca45bcef5c5bbd19fJohn McCall DI = SemaRef.SubstType(DI, TemplateArgs, 209ba6a9bd384df475780be636ca45bcef5c5bbd19fJohn McCall D->getLocation(), D->getDeclName()); 210ba6a9bd384df475780be636ca45bcef5c5bbd19fJohn McCall if (!DI) { 2118dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Invalid = true; 212a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall DI = SemaRef.Context.getTrivialTypeSourceInfo(SemaRef.Context.IntTy); 2138dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 214b4eeaff1595b7d0a8fbc2b3c8bec7dc63f48b7fdDouglas Gregor } else { 215b4eeaff1595b7d0a8fbc2b3c8bec7dc63f48b7fdDouglas Gregor SemaRef.MarkDeclarationsReferencedInType(D->getLocation(), DI->getType()); 2168dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 2171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2188dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // Create the new typedef 2198dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor TypedefDecl *Typedef 2208dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor = TypedefDecl::Create(SemaRef.Context, Owner, D->getLocation(), 221ba6a9bd384df475780be636ca45bcef5c5bbd19fJohn McCall D->getIdentifier(), DI); 2228dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor if (Invalid) 2238dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Typedef->setInvalidDecl(); 2248dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 225d57a38ee02c285d69d05fed6df0d7406b2517888Douglas Gregor if (const TagType *TT = DI->getType()->getAs<TagType>()) { 226d57a38ee02c285d69d05fed6df0d7406b2517888Douglas Gregor TagDecl *TD = TT->getDecl(); 227d57a38ee02c285d69d05fed6df0d7406b2517888Douglas Gregor 228d57a38ee02c285d69d05fed6df0d7406b2517888Douglas Gregor // If the TagDecl that the TypedefDecl points to is an anonymous decl 229d57a38ee02c285d69d05fed6df0d7406b2517888Douglas Gregor // keep track of the TypedefDecl. 230d57a38ee02c285d69d05fed6df0d7406b2517888Douglas Gregor if (!TD->getIdentifier() && !TD->getTypedefForAnonDecl()) 231d57a38ee02c285d69d05fed6df0d7406b2517888Douglas Gregor TD->setTypedefForAnonDecl(Typedef); 232d57a38ee02c285d69d05fed6df0d7406b2517888Douglas Gregor } 233d57a38ee02c285d69d05fed6df0d7406b2517888Douglas Gregor 2345126fd0dd92c4ec211c837ee78d5ce59c68dcbd5John McCall if (TypedefDecl *Prev = D->getPreviousDeclaration()) { 2357c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor NamedDecl *InstPrev = SemaRef.FindInstantiatedDecl(D->getLocation(), Prev, 2367c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor TemplateArgs); 2375126fd0dd92c4ec211c837ee78d5ce59c68dcbd5John McCall Typedef->setPreviousDeclaration(cast<TypedefDecl>(InstPrev)); 2385126fd0dd92c4ec211c837ee78d5ce59c68dcbd5John McCall } 2395126fd0dd92c4ec211c837ee78d5ce59c68dcbd5John McCall 2401d8d1ccd36888f1120b3a1df9e76f35dc2edb81dJohn McCall SemaRef.InstantiateAttrs(TemplateArgs, D, Typedef); 241d57a38ee02c285d69d05fed6df0d7406b2517888Douglas Gregor 24246460a68f6508775e98c19b4bb8454bb471aac24John McCall Typedef->setAccess(D->getAccess()); 24317945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis Owner->addDecl(Typedef); 2441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2458dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor return Typedef; 2468dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor} 2478dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 2486eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor/// \brief Instantiate the arguments provided as part of initialization. 2496eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor/// 2506eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor/// \returns true if an error occurred, false otherwise. 2516eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregorstatic bool InstantiateInitializationArguments(Sema &SemaRef, 2526eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor Expr **Args, unsigned NumArgs, 2536eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor const MultiLevelTemplateArgumentList &TemplateArgs, 254ca0408fb49c1370430672acf2d770b7151cf71deJohn McCall ASTOwningVector<Expr*> &InitArgs) { 2556eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor for (unsigned I = 0; I != NumArgs; ++I) { 2566eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor // When we hit the first defaulted argument, break out of the loop: 2576eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor // we don't pass those default arguments on. 2586eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor if (Args[I]->isDefaultArgument()) 2596eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor break; 2606eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor 26160d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Arg = SemaRef.SubstExpr(Args[I], TemplateArgs); 2626eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor if (Arg.isInvalid()) 2636eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor return true; 2646eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor 2656eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor InitArgs.push_back(Arg.release()); 2666eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor } 2676eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor 2686eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor return false; 2696eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor} 2706eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor 2716b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// \brief Instantiate an initializer, breaking it into separate 2726b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// initialization arguments. 2736b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// 2746b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// \param S The semantic analysis object. 2756b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// 2766b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// \param Init The initializer to instantiate. 2776b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// 2786b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// \param TemplateArgs Template arguments to be substituted into the 2796b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// initializer. 2806b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// 2816b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// \param NewArgs Will be filled in with the instantiation arguments. 2826b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// 2836b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// \returns true if an error occurred, false otherwise 2846b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregorstatic bool InstantiateInitializer(Sema &S, Expr *Init, 2856b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor const MultiLevelTemplateArgumentList &TemplateArgs, 2866b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor SourceLocation &LParenLoc, 287ca0408fb49c1370430672acf2d770b7151cf71deJohn McCall ASTOwningVector<Expr*> &NewArgs, 2886b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor SourceLocation &RParenLoc) { 2896b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor NewArgs.clear(); 2906b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor LParenLoc = SourceLocation(); 2916b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor RParenLoc = SourceLocation(); 2926b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 2936b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (!Init) 2946b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor return false; 2956b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 2966b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (CXXExprWithTemporaries *ExprTemp = dyn_cast<CXXExprWithTemporaries>(Init)) 2976b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor Init = ExprTemp->getSubExpr(); 2986b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 2996b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor while (CXXBindTemporaryExpr *Binder = dyn_cast<CXXBindTemporaryExpr>(Init)) 3006b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor Init = Binder->getSubExpr(); 3016b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 3026b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(Init)) 3036b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor Init = ICE->getSubExprAsWritten(); 3046b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 3056b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (ParenListExpr *ParenList = dyn_cast<ParenListExpr>(Init)) { 3066b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor LParenLoc = ParenList->getLParenLoc(); 3076b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor RParenLoc = ParenList->getRParenLoc(); 3086b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor return InstantiateInitializationArguments(S, ParenList->getExprs(), 3096b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor ParenList->getNumExprs(), 310a1a04786cea2445759026edacd096abd1fbf4a05Douglas Gregor TemplateArgs, NewArgs); 3116b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor } 3126b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 3136b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (CXXConstructExpr *Construct = dyn_cast<CXXConstructExpr>(Init)) { 31428329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor if (!isa<CXXTemporaryObjectExpr>(Construct)) { 31528329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor if (InstantiateInitializationArguments(S, 31628329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor Construct->getArgs(), 31728329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor Construct->getNumArgs(), 318a1a04786cea2445759026edacd096abd1fbf4a05Douglas Gregor TemplateArgs, NewArgs)) 31928329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor return true; 32028329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor 32128329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor // FIXME: Fake locations! 32228329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor LParenLoc = S.PP.getLocForEndOfToken(Init->getLocStart()); 323a1a04786cea2445759026edacd096abd1fbf4a05Douglas Gregor RParenLoc = LParenLoc; 32428329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor return false; 32528329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor } 3266b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor } 3276b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 32860d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Result = S.SubstExpr(Init, TemplateArgs); 3296b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (Result.isInvalid()) 3306b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor return true; 3316b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 3326b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor NewArgs.push_back(Result.takeAs<Expr>()); 3336b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor return false; 3346b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor} 3356b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 3363d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas GregorDecl *TemplateDeclInstantiator::VisitVarDecl(VarDecl *D) { 3379901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor // If this is the variable for an anonymous struct or union, 3389901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor // instantiate the anonymous struct/union type first. 3399901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor if (const RecordType *RecordTy = D->getType()->getAs<RecordType>()) 3409901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor if (RecordTy->getDecl()->isAnonymousStructOrUnion()) 3419901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor if (!VisitCXXRecordDecl(cast<CXXRecordDecl>(RecordTy->getDecl()))) 3429901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor return 0; 3439901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor 344ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCall // Do substitution on the type of the declaration 345a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = SemaRef.SubstType(D->getTypeSourceInfo(), 3460a5fa06a688e1086ea553a24b42b9915996ed1f7John McCall TemplateArgs, 3470a5fa06a688e1086ea553a24b42b9915996ed1f7John McCall D->getTypeSpecStartLoc(), 3480a5fa06a688e1086ea553a24b42b9915996ed1f7John McCall D->getDeclName()); 3490a5fa06a688e1086ea553a24b42b9915996ed1f7John McCall if (!DI) 3503d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor return 0; 3513d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor 352c6dbc3fa467e2355b678a6b717534928048efcb2Douglas Gregor if (DI->getType()->isFunctionType()) { 353c6dbc3fa467e2355b678a6b717534928048efcb2Douglas Gregor SemaRef.Diag(D->getLocation(), diag::err_variable_instantiates_to_function) 354c6dbc3fa467e2355b678a6b717534928048efcb2Douglas Gregor << D->isStaticDataMember() << DI->getType(); 355c6dbc3fa467e2355b678a6b717534928048efcb2Douglas Gregor return 0; 356c6dbc3fa467e2355b678a6b717534928048efcb2Douglas Gregor } 357c6dbc3fa467e2355b678a6b717534928048efcb2Douglas Gregor 358b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor // Build the instantiated declaration 3593d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor VarDecl *Var = VarDecl::Create(SemaRef.Context, Owner, 3603d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor D->getLocation(), D->getIdentifier(), 3610a5fa06a688e1086ea553a24b42b9915996ed1f7John McCall DI->getType(), DI, 36216573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor D->getStorageClass(), 36316573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor D->getStorageClassAsWritten()); 3643d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor Var->setThreadSpecified(D->isThreadSpecified()); 3653d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor Var->setCXXDirectInitializer(D->hasCXXDirectInitializer()); 3661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 367b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Substitute the nested name specifier, if any. 368b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (SubstQualifier(D, Var)) 369b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall return 0; 370b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 3711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If we are instantiating a static data member defined 3727caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // out-of-line, the instantiation will have the same lexical 3737caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // context (which will be a namespace scope) as the template. 3747caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (D->isOutOfLine()) 3757caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor Var->setLexicalDeclContext(D->getLexicalDeclContext()); 3761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 37746460a68f6508775e98c19b4bb8454bb471aac24John McCall Var->setAccess(D->getAccess()); 378c070cc602d6eefea881f71a60de09e05b54c3fddDouglas Gregor 379c070cc602d6eefea881f71a60de09e05b54c3fddDouglas Gregor if (!D->isStaticDataMember()) 380c070cc602d6eefea881f71a60de09e05b54c3fddDouglas Gregor Var->setUsed(D->isUsed(false)); 3814469e8a97cdca3725b4f8f366916143113c029acDouglas Gregor 382390b4cc8b45a05612349269ef08faab3e4688f06Mike Stump // FIXME: In theory, we could have a previous declaration for variables that 383390b4cc8b45a05612349269ef08faab3e4688f06Mike Stump // are not static data members. 3843d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor bool Redeclaration = false; 3856826314938f8510cd1a6b03b5d032592456ae27bJohn McCall // FIXME: having to fake up a LookupResult is dumb. 3866826314938f8510cd1a6b03b5d032592456ae27bJohn McCall LookupResult Previous(SemaRef, Var->getDeclName(), Var->getLocation(), 387449d0a829007ea654912098e6a73134a2c529d61Douglas Gregor Sema::LookupOrdinaryName, Sema::ForRedeclaration); 38860c93c9981c467738369702e7aa23fd58c2b6aacDouglas Gregor if (D->isStaticDataMember()) 38960c93c9981c467738369702e7aa23fd58c2b6aacDouglas Gregor SemaRef.LookupQualifiedName(Previous, Owner, false); 3906826314938f8510cd1a6b03b5d032592456ae27bJohn McCall SemaRef.CheckVariableDeclaration(Var, Previous, Redeclaration); 3911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3927caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (D->isOutOfLine()) { 393ea7b4880bc07cd99b3994c2a95d722a06ab56594Abramo Bagnara if (!D->isStaticDataMember()) 394ea7b4880bc07cd99b3994c2a95d722a06ab56594Abramo Bagnara D->getLexicalDeclContext()->addDecl(Var); 3957caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor Owner->makeDeclVisibleInContext(Var); 3967caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor } else { 3977caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor Owner->addDecl(Var); 398f7d72f5a4a3f0e610d77c6779ca3c21920a14bc7Douglas Gregor if (Owner->isFunctionOrMethod()) 399f7d72f5a4a3f0e610d77c6779ca3c21920a14bc7Douglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal(D, Var); 4007caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor } 4011d8d1ccd36888f1120b3a1df9e76f35dc2edb81dJohn McCall SemaRef.InstantiateAttrs(TemplateArgs, D, Var); 4028dd0c5626455cdf94280783e85e413eed6cbf3d9Fariborz Jahanian 403251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor // Link instantiations of static data members back to the template from 404251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor // which they were instantiated. 405251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor if (Var->isStaticDataMember()) 406251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor SemaRef.Context.setInstantiatedFromStaticDataMember(Var, D, 407cf3293eaeb3853d12cff47e648bbe835004e929fDouglas Gregor TSK_ImplicitInstantiation); 408251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor 40960c93c9981c467738369702e7aa23fd58c2b6aacDouglas Gregor if (Var->getAnyInitializer()) { 41060c93c9981c467738369702e7aa23fd58c2b6aacDouglas Gregor // We already have an initializer in the class. 41160c93c9981c467738369702e7aa23fd58c2b6aacDouglas Gregor } else if (D->getInit()) { 4121f5f3a4d58a1c7c50c331b33329fc14563533c04Douglas Gregor if (Var->isStaticDataMember() && !D->isOutOfLine()) 4131f5f3a4d58a1c7c50c331b33329fc14563533c04Douglas Gregor SemaRef.PushExpressionEvaluationContext(Sema::Unevaluated); 4141f5f3a4d58a1c7c50c331b33329fc14563533c04Douglas Gregor else 4151f5f3a4d58a1c7c50c331b33329fc14563533c04Douglas Gregor SemaRef.PushExpressionEvaluationContext(Sema::PotentiallyEvaluated); 4161f5f3a4d58a1c7c50c331b33329fc14563533c04Douglas Gregor 4176b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor // Instantiate the initializer. 4186b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor SourceLocation LParenLoc, RParenLoc; 419ca0408fb49c1370430672acf2d770b7151cf71deJohn McCall ASTOwningVector<Expr*> InitArgs(SemaRef); 4206b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (!InstantiateInitializer(SemaRef, D->getInit(), TemplateArgs, LParenLoc, 421a1a04786cea2445759026edacd096abd1fbf4a05Douglas Gregor InitArgs, RParenLoc)) { 4226b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor // Attach the initializer to the declaration. 4236b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (D->hasCXXDirectInitializer()) { 4246eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor // Add the direct initializer to the declaration. 425d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall SemaRef.AddCXXDirectInitializerToDecl(Var, 4266b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor LParenLoc, 4276eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor move_arg(InitArgs), 4286b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor RParenLoc); 4296b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor } else if (InitArgs.size() == 1) { 4309ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Expr *Init = InitArgs.take()[0]; 4319ae2f076ca5ab1feb3ba95629099ec2319833701John McCall SemaRef.AddInitializerToDecl(Var, Init, false); 4326b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor } else { 4336b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor assert(InitArgs.size() == 0); 434d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall SemaRef.ActOnUninitializedDecl(Var, false); 43583ddad3ab513f5d73698cf9fbeb4ed3f011bc3b9Douglas Gregor } 4366eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor } else { 4376b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor // FIXME: Not too happy about invalidating the declaration 4386b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor // because of a bogus initializer. 4396b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor Var->setInvalidDecl(); 4406eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor } 4416eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor 4421f5f3a4d58a1c7c50c331b33329fc14563533c04Douglas Gregor SemaRef.PopExpressionEvaluationContext(); 44365b90055dd30cfb83d8344ff62ed428257431be4Douglas Gregor } else if (!Var->isStaticDataMember() || Var->isOutOfLine()) 444d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall SemaRef.ActOnUninitializedDecl(Var, false); 4453d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor 4465764f613e61cb3183f3d7ceeafd23396de96ed16Douglas Gregor // Diagnose unused local variables. 4475764f613e61cb3183f3d7ceeafd23396de96ed16Douglas Gregor if (!Var->isInvalidDecl() && Owner->isFunctionOrMethod() && !Var->isUsed()) 4485764f613e61cb3183f3d7ceeafd23396de96ed16Douglas Gregor SemaRef.DiagnoseUnusedDecl(Var); 449bbc6454bb98d6a6ecbaafa715222c5db834307f2Argyrios Kyrtzidis 4503d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor return Var; 4513d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor} 4523d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor 4536206d53f67613958ae1b023aba337ebb46f11a8bAbramo BagnaraDecl *TemplateDeclInstantiator::VisitAccessSpecDecl(AccessSpecDecl *D) { 4546206d53f67613958ae1b023aba337ebb46f11a8bAbramo Bagnara AccessSpecDecl* AD 4556206d53f67613958ae1b023aba337ebb46f11a8bAbramo Bagnara = AccessSpecDecl::Create(SemaRef.Context, D->getAccess(), Owner, 4566206d53f67613958ae1b023aba337ebb46f11a8bAbramo Bagnara D->getAccessSpecifierLoc(), D->getColonLoc()); 4576206d53f67613958ae1b023aba337ebb46f11a8bAbramo Bagnara Owner->addHiddenDecl(AD); 4586206d53f67613958ae1b023aba337ebb46f11a8bAbramo Bagnara return AD; 4596206d53f67613958ae1b023aba337ebb46f11a8bAbramo Bagnara} 4606206d53f67613958ae1b023aba337ebb46f11a8bAbramo Bagnara 4618dbc2694424b4e842b1d5ea39744a137b58600c3Douglas GregorDecl *TemplateDeclInstantiator::VisitFieldDecl(FieldDecl *D) { 4628dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor bool Invalid = false; 463a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = D->getTypeSourceInfo(); 464836adf6771d5170d936599dfcce21687e37e9bbfDouglas Gregor if (DI->getType()->isDependentType() || 465836adf6771d5170d936599dfcce21687e37e9bbfDouglas Gregor DI->getType()->isVariablyModifiedType()) { 46607fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall DI = SemaRef.SubstType(DI, TemplateArgs, 46707fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall D->getLocation(), D->getDeclName()); 46807fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall if (!DI) { 469a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall DI = D->getTypeSourceInfo(); 47007fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall Invalid = true; 47107fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall } else if (DI->getType()->isFunctionType()) { 4728dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // C++ [temp.arg.type]p3: 4738dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // If a declaration acquires a function type through a type 4748dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // dependent on a template-parameter and this causes a 4758dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // declaration that does not use the syntactic form of a 4768dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // function declarator to have function type, the program is 4778dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // ill-formed. 4788dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor SemaRef.Diag(D->getLocation(), diag::err_field_instantiates_to_function) 47907fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall << DI->getType(); 4808dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Invalid = true; 4818dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 482b4eeaff1595b7d0a8fbc2b3c8bec7dc63f48b7fdDouglas Gregor } else { 483b4eeaff1595b7d0a8fbc2b3c8bec7dc63f48b7fdDouglas Gregor SemaRef.MarkDeclarationsReferencedInType(D->getLocation(), DI->getType()); 4848dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 4858dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 4868dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Expr *BitWidth = D->getBitWidth(); 4878dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor if (Invalid) 4888dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor BitWidth = 0; 4898dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor else if (BitWidth) { 490ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor // The bit-width expression is not potentially evaluated. 491f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall EnterExpressionEvaluationContext Unevaluated(SemaRef, Sema::Unevaluated); 4921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 49360d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult InstantiatedBitWidth 494ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCall = SemaRef.SubstExpr(BitWidth, TemplateArgs); 4958dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor if (InstantiatedBitWidth.isInvalid()) { 4968dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Invalid = true; 4978dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor BitWidth = 0; 4988dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } else 499e9146f2e9f1c4e281544e8c080934c72d41012caAnders Carlsson BitWidth = InstantiatedBitWidth.takeAs<Expr>(); 5008dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 5018dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 50207fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall FieldDecl *Field = SemaRef.CheckFieldDecl(D->getDeclName(), 50307fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall DI->getType(), DI, 5041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump cast<RecordDecl>(Owner), 5058dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor D->getLocation(), 5068dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor D->isMutable(), 5078dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor BitWidth, 508ea218b8e8f9ba82d1c76bcb7e86d121a5f65ebedSteve Naroff D->getTypeSpecStartLoc(), 5098dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor D->getAccess(), 5108dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 0); 511663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor if (!Field) { 512663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor cast<Decl>(Owner)->setInvalidDecl(); 513f4b5f5c6a1487317aab9aa30d97bccfd57c82c98Anders Carlsson return 0; 514663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor } 5151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5161d8d1ccd36888f1120b3a1df9e76f35dc2edb81dJohn McCall SemaRef.InstantiateAttrs(TemplateArgs, D, Field); 517d8fe2d56fb5463c9d109e8c6dab2e98b06bee186Anders Carlsson 518f4b5f5c6a1487317aab9aa30d97bccfd57c82c98Anders Carlsson if (Invalid) 519f4b5f5c6a1487317aab9aa30d97bccfd57c82c98Anders Carlsson Field->setInvalidDecl(); 5201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 521f4b5f5c6a1487317aab9aa30d97bccfd57c82c98Anders Carlsson if (!Field->getDeclName()) { 522f4b5f5c6a1487317aab9aa30d97bccfd57c82c98Anders Carlsson // Keep track of where this decl came from. 523f4b5f5c6a1487317aab9aa30d97bccfd57c82c98Anders Carlsson SemaRef.Context.setInstantiatedFromUnnamedFieldDecl(Field, D); 5249901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor } 5259901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor if (CXXRecordDecl *Parent= dyn_cast<CXXRecordDecl>(Field->getDeclContext())) { 5269901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor if (Parent->isAnonymousStructOrUnion() && 5277a126a474fdde06382b315b4e3d8ef0a21d4dc31Sebastian Redl Parent->getRedeclContext()->isFunctionOrMethod()) 5289901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal(D, Field); 5298dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 5301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 531f4b5f5c6a1487317aab9aa30d97bccfd57c82c98Anders Carlsson Field->setImplicit(D->isImplicit()); 53246460a68f6508775e98c19b4bb8454bb471aac24John McCall Field->setAccess(D->getAccess()); 533f4b5f5c6a1487317aab9aa30d97bccfd57c82c98Anders Carlsson Owner->addDecl(Field); 5348dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 5358dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor return Field; 5368dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor} 5378dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 53802cace78cf48cc26686bd5b07c78606abca13bcdJohn McCallDecl *TemplateDeclInstantiator::VisitFriendDecl(FriendDecl *D) { 53902cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall // Handle friend type expressions by simply substituting template 54006245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor // parameters into the pattern type and checking the result. 54132f2fb53d9d7c28c94d8569fd0fcf06cccee0c3dJohn McCall if (TypeSourceInfo *Ty = D->getFriendType()) { 54232f2fb53d9d7c28c94d8569fd0fcf06cccee0c3dJohn McCall TypeSourceInfo *InstTy = 54332f2fb53d9d7c28c94d8569fd0fcf06cccee0c3dJohn McCall SemaRef.SubstType(Ty, TemplateArgs, 54432f2fb53d9d7c28c94d8569fd0fcf06cccee0c3dJohn McCall D->getLocation(), DeclarationName()); 54506245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor if (!InstTy) 54606245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor return 0; 547fd810b1386ed29b250e7d522ea826a65c815e49dJohn McCall 54806245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor FriendDecl *FD = SemaRef.CheckFriendTypeDecl(D->getFriendLoc(), InstTy); 54906245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor if (!FD) 55006245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor return 0; 55106245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor 55206245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor FD->setAccess(AS_public); 55306245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor Owner->addDecl(FD); 55406245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor return FD; 55506245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor } 55606245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor 55706245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor NamedDecl *ND = D->getFriendDecl(); 55806245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor assert(ND && "friend decl must be a decl or a type!"); 55932f2fb53d9d7c28c94d8569fd0fcf06cccee0c3dJohn McCall 560af2094e7cecadf36667deb61a83587ffdd979bd3John McCall // All of the Visit implementations for the various potential friend 561af2094e7cecadf36667deb61a83587ffdd979bd3John McCall // declarations have to be carefully written to work for friend 562af2094e7cecadf36667deb61a83587ffdd979bd3John McCall // objects, with the most important detail being that the target 563af2094e7cecadf36667deb61a83587ffdd979bd3John McCall // decl should almost certainly not be placed in Owner. 564af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Decl *NewND = Visit(ND); 56506245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor if (!NewND) return 0; 5661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 56702cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall FriendDecl *FD = 56806245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor FriendDecl::Create(SemaRef.Context, Owner, D->getLocation(), 56906245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor cast<NamedDecl>(NewND), D->getFriendLoc()); 5705fee110ac106370f75592df024001de73edced2aJohn McCall FD->setAccess(AS_public); 57102cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall Owner->addDecl(FD); 57202cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall return FD; 573fd810b1386ed29b250e7d522ea826a65c815e49dJohn McCall} 574fd810b1386ed29b250e7d522ea826a65c815e49dJohn McCall 5758dbc2694424b4e842b1d5ea39744a137b58600c3Douglas GregorDecl *TemplateDeclInstantiator::VisitStaticAssertDecl(StaticAssertDecl *D) { 5768dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Expr *AssertExpr = D->getAssertExpr(); 5771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 578ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor // The expression in a static assertion is not potentially evaluated. 579f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall EnterExpressionEvaluationContext Unevaluated(SemaRef, Sema::Unevaluated); 5801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 58160d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult InstantiatedAssertExpr 582ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCall = SemaRef.SubstExpr(AssertExpr, TemplateArgs); 5838dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor if (InstantiatedAssertExpr.isInvalid()) 5848dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor return 0; 5858dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 58660d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Message(D->getMessage()); 58743d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor D->getMessage()->Retain(); 588d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return SemaRef.ActOnStaticAssertDeclaration(D->getLocation(), 5899ae2f076ca5ab1feb3ba95629099ec2319833701John McCall InstantiatedAssertExpr.get(), 5909ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Message.get()); 5918dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor} 5928dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 5938dbc2694424b4e842b1d5ea39744a137b58600c3Douglas GregorDecl *TemplateDeclInstantiator::VisitEnumDecl(EnumDecl *D) { 5941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump EnumDecl *Enum = EnumDecl::Create(SemaRef.Context, Owner, 5958dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor D->getLocation(), D->getIdentifier(), 596741dd9a7e1d63e4e385b657e4ce11c5d96d44f72Douglas Gregor D->getTagKeywordLoc(), 5978dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor /*PrevDecl=*/0); 5988dbc3c64965f99e48830885835b7d2fc26ec3cf5Douglas Gregor Enum->setInstantiationOfMemberEnum(D); 59906c0fecd197fef21e265a41bca8dc5022de1f864Douglas Gregor Enum->setAccess(D->getAccess()); 600b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (SubstQualifier(D, Enum)) return 0; 60117945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis Owner->addDecl(Enum); 6028dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Enum->startDefinition(); 6038dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 60496084f171f4824397dc48453146f0a9719cb9247Douglas Gregor if (D->getDeclContext()->isFunctionOrMethod()) 60596084f171f4824397dc48453146f0a9719cb9247Douglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal(D, Enum); 60696084f171f4824397dc48453146f0a9719cb9247Douglas Gregor 607d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall llvm::SmallVector<Decl*, 4> Enumerators; 6088dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 6098dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor EnumConstantDecl *LastEnumConst = 0; 61017945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (EnumDecl::enumerator_iterator EC = D->enumerator_begin(), 61117945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis ECEnd = D->enumerator_end(); 6128dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor EC != ECEnd; ++EC) { 6138dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // The specified value for the enumerator. 61460d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Value = SemaRef.Owned((Expr *)0); 615ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor if (Expr *UninstValue = EC->getInitExpr()) { 616ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor // The enumerator's value expression is not potentially evaluated. 6171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump EnterExpressionEvaluationContext Unevaluated(SemaRef, 618f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::Unevaluated); 6191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 620ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCall Value = SemaRef.SubstExpr(UninstValue, TemplateArgs); 621ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor } 6228dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 6238dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // Drop the initial value and continue. 6248dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor bool isInvalid = false; 6258dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor if (Value.isInvalid()) { 6268dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Value = SemaRef.Owned((Expr *)0); 6278dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor isInvalid = true; 6288dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 6298dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 6301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump EnumConstantDecl *EnumConst 6318dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor = SemaRef.CheckEnumConstant(Enum, LastEnumConst, 6328dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor EC->getLocation(), EC->getIdentifier(), 6339ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Value.get()); 6348dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 6358dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor if (isInvalid) { 6368dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor if (EnumConst) 6378dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor EnumConst->setInvalidDecl(); 6388dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Enum->setInvalidDecl(); 6398dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 6408dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 6418dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor if (EnumConst) { 6423b85ecf2049c8670eba30d0c06f28f64168af9b8John McCall EnumConst->setAccess(Enum->getAccess()); 64317945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis Enum->addDecl(EnumConst); 644d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Enumerators.push_back(EnumConst); 6458dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor LastEnumConst = EnumConst; 64696084f171f4824397dc48453146f0a9719cb9247Douglas Gregor 64796084f171f4824397dc48453146f0a9719cb9247Douglas Gregor if (D->getDeclContext()->isFunctionOrMethod()) { 64896084f171f4824397dc48453146f0a9719cb9247Douglas Gregor // If the enumeration is within a function or method, record the enum 64996084f171f4824397dc48453146f0a9719cb9247Douglas Gregor // constant as a local. 65096084f171f4824397dc48453146f0a9719cb9247Douglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal(*EC, EnumConst); 65196084f171f4824397dc48453146f0a9719cb9247Douglas Gregor } 6528dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 6538dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 6541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 655c6e35aae23bc3cea7daf5ee075fa695c01c0f66fMike Stump // FIXME: Fixup LBraceLoc and RBraceLoc 656fee13819693c8492f0c364bc704645e844ef737aEdward O'Callaghan // FIXME: Empty Scope and AttributeList (required to handle attribute packed). 657c6e35aae23bc3cea7daf5ee075fa695c01c0f66fMike Stump SemaRef.ActOnEnumBody(Enum->getLocation(), SourceLocation(), SourceLocation(), 658d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Enum, 659de7a0fcdf9f30cb5a97aab614f3975d93cd9926fEli Friedman Enumerators.data(), Enumerators.size(), 660fee13819693c8492f0c364bc704645e844ef737aEdward O'Callaghan 0, 0); 6618dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 6628dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor return Enum; 6638dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor} 6648dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 6656477b69cc93e0a0ff15036d60d604f3544da0f29Douglas GregorDecl *TemplateDeclInstantiator::VisitEnumConstantDecl(EnumConstantDecl *D) { 6666477b69cc93e0a0ff15036d60d604f3544da0f29Douglas Gregor assert(false && "EnumConstantDecls can only occur within EnumDecls."); 6676477b69cc93e0a0ff15036d60d604f3544da0f29Douglas Gregor return 0; 6686477b69cc93e0a0ff15036d60d604f3544da0f29Douglas Gregor} 6696477b69cc93e0a0ff15036d60d604f3544da0f29Douglas Gregor 670e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCallDecl *TemplateDeclInstantiator::VisitClassTemplateDecl(ClassTemplateDecl *D) { 67193ba8579c341d5329175f1413cdc3b35a36592d2John McCall bool isFriend = (D->getFriendObjectKind() != Decl::FOK_None); 67293ba8579c341d5329175f1413cdc3b35a36592d2John McCall 673550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // Create a local instantiation scope for this class template, which 674550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // will contain the instantiations of the template parameters. 6752a7fb27913999d132cf9e10e03dc5271faa2e9d3John McCall LocalInstantiationScope Scope(SemaRef); 676e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall TemplateParameterList *TempParams = D->getTemplateParameters(); 677ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCall TemplateParameterList *InstParams = SubstTemplateParams(TempParams); 6781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!InstParams) 679d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor return NULL; 680e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 681e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall CXXRecordDecl *Pattern = D->getTemplatedDecl(); 68293ba8579c341d5329175f1413cdc3b35a36592d2John McCall 68393ba8579c341d5329175f1413cdc3b35a36592d2John McCall // Instantiate the qualifier. We have to do this first in case 68493ba8579c341d5329175f1413cdc3b35a36592d2John McCall // we're a friend declaration, because if we are then we need to put 68593ba8579c341d5329175f1413cdc3b35a36592d2John McCall // the new declaration in the appropriate context. 68693ba8579c341d5329175f1413cdc3b35a36592d2John McCall NestedNameSpecifier *Qualifier = Pattern->getQualifier(); 68793ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (Qualifier) { 68893ba8579c341d5329175f1413cdc3b35a36592d2John McCall Qualifier = SemaRef.SubstNestedNameSpecifier(Qualifier, 68993ba8579c341d5329175f1413cdc3b35a36592d2John McCall Pattern->getQualifierRange(), 69093ba8579c341d5329175f1413cdc3b35a36592d2John McCall TemplateArgs); 69193ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (!Qualifier) return 0; 69293ba8579c341d5329175f1413cdc3b35a36592d2John McCall } 69393ba8579c341d5329175f1413cdc3b35a36592d2John McCall 69493ba8579c341d5329175f1413cdc3b35a36592d2John McCall CXXRecordDecl *PrevDecl = 0; 69593ba8579c341d5329175f1413cdc3b35a36592d2John McCall ClassTemplateDecl *PrevClassTemplate = 0; 69693ba8579c341d5329175f1413cdc3b35a36592d2John McCall 69793ba8579c341d5329175f1413cdc3b35a36592d2John McCall // If this isn't a friend, then it's a member template, in which 69893ba8579c341d5329175f1413cdc3b35a36592d2John McCall // case we just want to build the instantiation in the 69993ba8579c341d5329175f1413cdc3b35a36592d2John McCall // specialization. If it is a friend, we want to build it in 70093ba8579c341d5329175f1413cdc3b35a36592d2John McCall // the appropriate context. 70193ba8579c341d5329175f1413cdc3b35a36592d2John McCall DeclContext *DC = Owner; 70293ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (isFriend) { 70393ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (Qualifier) { 70493ba8579c341d5329175f1413cdc3b35a36592d2John McCall CXXScopeSpec SS; 70593ba8579c341d5329175f1413cdc3b35a36592d2John McCall SS.setScopeRep(Qualifier); 70693ba8579c341d5329175f1413cdc3b35a36592d2John McCall SS.setRange(Pattern->getQualifierRange()); 70793ba8579c341d5329175f1413cdc3b35a36592d2John McCall DC = SemaRef.computeDeclContext(SS); 70893ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (!DC) return 0; 70993ba8579c341d5329175f1413cdc3b35a36592d2John McCall } else { 71093ba8579c341d5329175f1413cdc3b35a36592d2John McCall DC = SemaRef.FindInstantiatedContext(Pattern->getLocation(), 71193ba8579c341d5329175f1413cdc3b35a36592d2John McCall Pattern->getDeclContext(), 71293ba8579c341d5329175f1413cdc3b35a36592d2John McCall TemplateArgs); 71393ba8579c341d5329175f1413cdc3b35a36592d2John McCall } 71493ba8579c341d5329175f1413cdc3b35a36592d2John McCall 71593ba8579c341d5329175f1413cdc3b35a36592d2John McCall // Look for a previous declaration of the template in the owning 71693ba8579c341d5329175f1413cdc3b35a36592d2John McCall // context. 71793ba8579c341d5329175f1413cdc3b35a36592d2John McCall LookupResult R(SemaRef, Pattern->getDeclName(), Pattern->getLocation(), 71893ba8579c341d5329175f1413cdc3b35a36592d2John McCall Sema::LookupOrdinaryName, Sema::ForRedeclaration); 71993ba8579c341d5329175f1413cdc3b35a36592d2John McCall SemaRef.LookupQualifiedName(R, DC); 72093ba8579c341d5329175f1413cdc3b35a36592d2John McCall 72193ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (R.isSingleResult()) { 72293ba8579c341d5329175f1413cdc3b35a36592d2John McCall PrevClassTemplate = R.getAsSingle<ClassTemplateDecl>(); 72393ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (PrevClassTemplate) 72493ba8579c341d5329175f1413cdc3b35a36592d2John McCall PrevDecl = PrevClassTemplate->getTemplatedDecl(); 72593ba8579c341d5329175f1413cdc3b35a36592d2John McCall } 72693ba8579c341d5329175f1413cdc3b35a36592d2John McCall 72793ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (!PrevClassTemplate && Qualifier) { 72893ba8579c341d5329175f1413cdc3b35a36592d2John McCall SemaRef.Diag(Pattern->getLocation(), diag::err_not_tag_in_scope) 7291eabb7d0c30f6a876b0fd03ad4656c096c26b8d0Douglas Gregor << D->getTemplatedDecl()->getTagKind() << Pattern->getDeclName() << DC 7301eabb7d0c30f6a876b0fd03ad4656c096c26b8d0Douglas Gregor << Pattern->getQualifierRange(); 73193ba8579c341d5329175f1413cdc3b35a36592d2John McCall return 0; 73293ba8579c341d5329175f1413cdc3b35a36592d2John McCall } 73393ba8579c341d5329175f1413cdc3b35a36592d2John McCall 734c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor bool AdoptedPreviousTemplateParams = false; 73593ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (PrevClassTemplate) { 736c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor bool Complain = true; 737c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor 738c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor // HACK: libstdc++ 4.2.1 contains an ill-formed friend class 739c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor // template for struct std::tr1::__detail::_Map_base, where the 740c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor // template parameters of the friend declaration don't match the 741c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor // template parameters of the original declaration. In this one 742c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor // case, we don't complain about the ill-formed friend 743c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor // declaration. 744c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor if (isFriend && Pattern->getIdentifier() && 745c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor Pattern->getIdentifier()->isStr("_Map_base") && 746c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor DC->isNamespace() && 747c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor cast<NamespaceDecl>(DC)->getIdentifier() && 748c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor cast<NamespaceDecl>(DC)->getIdentifier()->isStr("__detail")) { 749c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor DeclContext *DCParent = DC->getParent(); 750c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor if (DCParent->isNamespace() && 751c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor cast<NamespaceDecl>(DCParent)->getIdentifier() && 752c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor cast<NamespaceDecl>(DCParent)->getIdentifier()->isStr("tr1")) { 753c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor DeclContext *DCParent2 = DCParent->getParent(); 754c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor if (DCParent2->isNamespace() && 755c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor cast<NamespaceDecl>(DCParent2)->getIdentifier() && 756c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor cast<NamespaceDecl>(DCParent2)->getIdentifier()->isStr("std") && 757c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor DCParent2->getParent()->isTranslationUnit()) 758c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor Complain = false; 759c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor } 760c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor } 761c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor 76293ba8579c341d5329175f1413cdc3b35a36592d2John McCall TemplateParameterList *PrevParams 76393ba8579c341d5329175f1413cdc3b35a36592d2John McCall = PrevClassTemplate->getTemplateParameters(); 76493ba8579c341d5329175f1413cdc3b35a36592d2John McCall 76593ba8579c341d5329175f1413cdc3b35a36592d2John McCall // Make sure the parameter lists match. 76693ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (!SemaRef.TemplateParameterListsAreEqual(InstParams, PrevParams, 767c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor Complain, 768c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor Sema::TPL_TemplateMatch)) { 769c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor if (Complain) 770c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor return 0; 771c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor 772c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor AdoptedPreviousTemplateParams = true; 773c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor InstParams = PrevParams; 774c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor } 77593ba8579c341d5329175f1413cdc3b35a36592d2John McCall 77693ba8579c341d5329175f1413cdc3b35a36592d2John McCall // Do some additional validation, then merge default arguments 77793ba8579c341d5329175f1413cdc3b35a36592d2John McCall // from the existing declarations. 778c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor if (!AdoptedPreviousTemplateParams && 779c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor SemaRef.CheckTemplateParameterList(InstParams, PrevParams, 78093ba8579c341d5329175f1413cdc3b35a36592d2John McCall Sema::TPC_ClassTemplate)) 78193ba8579c341d5329175f1413cdc3b35a36592d2John McCall return 0; 78293ba8579c341d5329175f1413cdc3b35a36592d2John McCall } 78393ba8579c341d5329175f1413cdc3b35a36592d2John McCall } 78493ba8579c341d5329175f1413cdc3b35a36592d2John McCall 785e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall CXXRecordDecl *RecordInst 78693ba8579c341d5329175f1413cdc3b35a36592d2John McCall = CXXRecordDecl::Create(SemaRef.Context, Pattern->getTagKind(), DC, 787e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall Pattern->getLocation(), Pattern->getIdentifier(), 78893ba8579c341d5329175f1413cdc3b35a36592d2John McCall Pattern->getTagKeywordLoc(), PrevDecl, 789f0510d49a6985e9284d30cfc36a0df2a6292a638Douglas Gregor /*DelayTypeCreation=*/true); 790e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 79193ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (Qualifier) 79293ba8579c341d5329175f1413cdc3b35a36592d2John McCall RecordInst->setQualifierInfo(Qualifier, Pattern->getQualifierRange()); 793b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 794e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall ClassTemplateDecl *Inst 79593ba8579c341d5329175f1413cdc3b35a36592d2John McCall = ClassTemplateDecl::Create(SemaRef.Context, DC, D->getLocation(), 79693ba8579c341d5329175f1413cdc3b35a36592d2John McCall D->getIdentifier(), InstParams, RecordInst, 79793ba8579c341d5329175f1413cdc3b35a36592d2John McCall PrevClassTemplate); 798e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall RecordInst->setDescribedClassTemplate(Inst); 799ea7390c7b384ce607bfc8fc13c01f37cfc3776f0John McCall 80093ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (isFriend) { 801ea7390c7b384ce607bfc8fc13c01f37cfc3776f0John McCall if (PrevClassTemplate) 802ea7390c7b384ce607bfc8fc13c01f37cfc3776f0John McCall Inst->setAccess(PrevClassTemplate->getAccess()); 803ea7390c7b384ce607bfc8fc13c01f37cfc3776f0John McCall else 804ea7390c7b384ce607bfc8fc13c01f37cfc3776f0John McCall Inst->setAccess(D->getAccess()); 805ea7390c7b384ce607bfc8fc13c01f37cfc3776f0John McCall 80693ba8579c341d5329175f1413cdc3b35a36592d2John McCall Inst->setObjectOfFriendDecl(PrevClassTemplate != 0); 80793ba8579c341d5329175f1413cdc3b35a36592d2John McCall // TODO: do we want to track the instantiation progeny of this 80893ba8579c341d5329175f1413cdc3b35a36592d2John McCall // friend target decl? 80993ba8579c341d5329175f1413cdc3b35a36592d2John McCall } else { 810e8c01bdb56549adcecd71ce39160eea54b2c51c8Douglas Gregor Inst->setAccess(D->getAccess()); 81193ba8579c341d5329175f1413cdc3b35a36592d2John McCall Inst->setInstantiatedFromMemberTemplate(D); 81293ba8579c341d5329175f1413cdc3b35a36592d2John McCall } 813f0510d49a6985e9284d30cfc36a0df2a6292a638Douglas Gregor 814f0510d49a6985e9284d30cfc36a0df2a6292a638Douglas Gregor // Trigger creation of the type for the instantiation. 8153cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall SemaRef.Context.getInjectedClassNameType(RecordInst, 81624bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor Inst->getInjectedClassNameSpecialization()); 817ea7390c7b384ce607bfc8fc13c01f37cfc3776f0John McCall 818259571e27e513cfaf691cc7447e09b31a47d5438Douglas Gregor // Finish handling of friends. 81993ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (isFriend) { 82093ba8579c341d5329175f1413cdc3b35a36592d2John McCall DC->makeDeclVisibleInContext(Inst, /*Recoverable*/ false); 821e8c01bdb56549adcecd71ce39160eea54b2c51c8Douglas Gregor return Inst; 822259571e27e513cfaf691cc7447e09b31a47d5438Douglas Gregor } 823e8c01bdb56549adcecd71ce39160eea54b2c51c8Douglas Gregor 824e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall Owner->addDecl(Inst); 825ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 826ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Instantiate all of the partial specializations of this member class 827ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // template. 828dc60c1eb4acbde6edcec9760de92f9098593d915Douglas Gregor llvm::SmallVector<ClassTemplatePartialSpecializationDecl *, 4> PartialSpecs; 829dc60c1eb4acbde6edcec9760de92f9098593d915Douglas Gregor D->getPartialSpecializations(PartialSpecs); 830ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor for (unsigned I = 0, N = PartialSpecs.size(); I != N; ++I) 831ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor InstantiateClassTemplatePartialSpecialization(Inst, PartialSpecs[I]); 832ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 833e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall return Inst; 834e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall} 835e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 836d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas GregorDecl * 8377974c3b7062f85bb7c0ada34526cdefe1d30f89bDouglas GregorTemplateDeclInstantiator::VisitClassTemplatePartialSpecializationDecl( 8387974c3b7062f85bb7c0ada34526cdefe1d30f89bDouglas Gregor ClassTemplatePartialSpecializationDecl *D) { 839ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplateDecl *ClassTemplate = D->getSpecializedTemplate(); 840ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 841ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Lookup the already-instantiated declaration in the instantiation 842ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // of the class template and return that. 843ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor DeclContext::lookup_result Found 844ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor = Owner->lookup(ClassTemplate->getDeclName()); 845ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor if (Found.first == Found.second) 846ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return 0; 847ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 848ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplateDecl *InstClassTemplate 849ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor = dyn_cast<ClassTemplateDecl>(*Found.first); 850ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor if (!InstClassTemplate) 851ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return 0; 852ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 853cc0b1bc979b650a8a8b34b2032a074fd7724a90dArgyrios Kyrtzidis return InstClassTemplate->findPartialSpecInstantiatedFromMember(D); 8547974c3b7062f85bb7c0ada34526cdefe1d30f89bDouglas Gregor} 8557974c3b7062f85bb7c0ada34526cdefe1d30f89bDouglas Gregor 8567974c3b7062f85bb7c0ada34526cdefe1d30f89bDouglas GregorDecl * 857d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas GregorTemplateDeclInstantiator::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) { 858550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // Create a local instantiation scope for this function template, which 859550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // will contain the instantiations of the template parameters and then get 860550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // merged with the local instantiation scope for the function template 861550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // itself. 8622a7fb27913999d132cf9e10e03dc5271faa2e9d3John McCall LocalInstantiationScope Scope(SemaRef); 863895162da2d52f4243f61081d7436de66af4503fcDouglas Gregor 864d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor TemplateParameterList *TempParams = D->getTemplateParameters(); 865d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor TemplateParameterList *InstParams = SubstTemplateParams(TempParams); 8661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!InstParams) 867d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor return NULL; 868ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 869a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor FunctionDecl *Instantiated = 0; 870a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor if (CXXMethodDecl *DMethod = dyn_cast<CXXMethodDecl>(D->getTemplatedDecl())) 871a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor Instantiated = cast_or_null<FunctionDecl>(VisitCXXMethodDecl(DMethod, 872a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor InstParams)); 873a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor else 874a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor Instantiated = cast_or_null<FunctionDecl>(VisitFunctionDecl( 875a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor D->getTemplatedDecl(), 876a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor InstParams)); 877a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor 878a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor if (!Instantiated) 879d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor return 0; 880d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor 88146460a68f6508775e98c19b4bb8454bb471aac24John McCall Instantiated->setAccess(D->getAccess()); 88246460a68f6508775e98c19b4bb8454bb471aac24John McCall 8831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Link the instantiated function template declaration to the function 884d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // template from which it was instantiated. 88537d68185088947322a97eabdc1c0714b0debd929Douglas Gregor FunctionTemplateDecl *InstTemplate 886a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor = Instantiated->getDescribedFunctionTemplate(); 88737d68185088947322a97eabdc1c0714b0debd929Douglas Gregor InstTemplate->setAccess(D->getAccess()); 888a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor assert(InstTemplate && 889a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor "VisitFunctionDecl/CXXMethodDecl didn't create a template!"); 890e976ffe18ee60b81641423f42ff6feec2f5e3cb7John McCall 891b1a56e767cfb645fcb25027ab728dd5824d92615John McCall bool isFriend = (InstTemplate->getFriendObjectKind() != Decl::FOK_None); 892b1a56e767cfb645fcb25027ab728dd5824d92615John McCall 893e976ffe18ee60b81641423f42ff6feec2f5e3cb7John McCall // Link the instantiation back to the pattern *unless* this is a 894e976ffe18ee60b81641423f42ff6feec2f5e3cb7John McCall // non-definition friend declaration. 895e976ffe18ee60b81641423f42ff6feec2f5e3cb7John McCall if (!InstTemplate->getInstantiatedFromMemberTemplate() && 896b1a56e767cfb645fcb25027ab728dd5824d92615John McCall !(isFriend && !D->getTemplatedDecl()->isThisDeclarationADefinition())) 897a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor InstTemplate->setInstantiatedFromMemberTemplate(D); 898a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor 899b1a56e767cfb645fcb25027ab728dd5824d92615John McCall // Make declarations visible in the appropriate context. 900b1a56e767cfb645fcb25027ab728dd5824d92615John McCall if (!isFriend) 901a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor Owner->addDecl(InstTemplate); 902b1a56e767cfb645fcb25027ab728dd5824d92615John McCall 903d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor return InstTemplate; 904d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor} 905d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor 906d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas GregorDecl *TemplateDeclInstantiator::VisitCXXRecordDecl(CXXRecordDecl *D) { 907d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor CXXRecordDecl *PrevDecl = 0; 908d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor if (D->isInjectedClassName()) 909d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor PrevDecl = cast<CXXRecordDecl>(Owner); 9106c1c1b8c6ca743a5b6b4c81f9ac56392c12c7457John McCall else if (D->getPreviousDeclaration()) { 9117c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor NamedDecl *Prev = SemaRef.FindInstantiatedDecl(D->getLocation(), 9127c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor D->getPreviousDeclaration(), 9136c1c1b8c6ca743a5b6b4c81f9ac56392c12c7457John McCall TemplateArgs); 9146c1c1b8c6ca743a5b6b4c81f9ac56392c12c7457John McCall if (!Prev) return 0; 9156c1c1b8c6ca743a5b6b4c81f9ac56392c12c7457John McCall PrevDecl = cast<CXXRecordDecl>(Prev); 9166c1c1b8c6ca743a5b6b4c81f9ac56392c12c7457John McCall } 917d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor 918d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor CXXRecordDecl *Record 9191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump = CXXRecordDecl::Create(SemaRef.Context, D->getTagKind(), Owner, 920741dd9a7e1d63e4e385b657e4ce11c5d96d44f72Douglas Gregor D->getLocation(), D->getIdentifier(), 921741dd9a7e1d63e4e385b657e4ce11c5d96d44f72Douglas Gregor D->getTagKeywordLoc(), PrevDecl); 922b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 923b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Substitute the nested name specifier, if any. 924b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (SubstQualifier(D, Record)) 925b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall return 0; 926b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 927d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor Record->setImplicit(D->isImplicit()); 928eaba1af8529c381d7bfd4dd0a8b48d2c01647972Eli Friedman // FIXME: Check against AS_none is an ugly hack to work around the issue that 929eaba1af8529c381d7bfd4dd0a8b48d2c01647972Eli Friedman // the tag decls introduced by friend class declarations don't have an access 930eaba1af8529c381d7bfd4dd0a8b48d2c01647972Eli Friedman // specifier. Remove once this area of the code gets sorted out. 931eaba1af8529c381d7bfd4dd0a8b48d2c01647972Eli Friedman if (D->getAccess() != AS_none) 932eaba1af8529c381d7bfd4dd0a8b48d2c01647972Eli Friedman Record->setAccess(D->getAccess()); 933d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor if (!D->isInjectedClassName()) 934f6b1185f0a8a209c06dfc1efdb6a59cc851e970cDouglas Gregor Record->setInstantiationOfMemberClass(D, TSK_ImplicitInstantiation); 935d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor 93602cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall // If the original function was part of a friend declaration, 93702cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall // inherit its namespace state. 93802cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall if (Decl::FriendObjectKind FOK = D->getFriendObjectKind()) 93902cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall Record->setObjectOfFriendDecl(FOK == Decl::FOK_Declared); 94002cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall 9419901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor // Make sure that anonymous structs and unions are recorded. 9429901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor if (D->isAnonymousStructOrUnion()) { 9439901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor Record->setAnonymousStructOrUnion(true); 9447a126a474fdde06382b315b4e3d8ef0a21d4dc31Sebastian Redl if (Record->getDeclContext()->getRedeclContext()->isFunctionOrMethod()) 9459901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal(D, Record); 9469901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor } 947d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 94817945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis Owner->addDecl(Record); 949d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor return Record; 950d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor} 951d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor 95202cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// Normal class members are of more specific types and therefore 95302cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// don't make it here. This function serves two purposes: 95402cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// 1) instantiating function templates 95502cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// 2) substituting friend declarations 95602cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// FIXME: preserve function definitions in case #2 9577557a1348d2821dce126a778aa7acd7a00b814fdDouglas GregorDecl *TemplateDeclInstantiator::VisitFunctionDecl(FunctionDecl *D, 958a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor TemplateParameterList *TemplateParams) { 959127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor // Check whether there is already a function template specialization for 960127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor // this declaration. 961127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor FunctionTemplateDecl *FunctionTemplate = D->getDescribedFunctionTemplate(); 962127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor void *InsertPos = 0; 963b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (FunctionTemplate && !TemplateParams) { 96424bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor std::pair<const TemplateArgument *, unsigned> Innermost 96524bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor = TemplateArgs.getInnermost(); 9661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9672c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis FunctionDecl *SpecFunc 9682c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis = FunctionTemplate->findSpecialization(Innermost.first, Innermost.second, 9692c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis InsertPos); 9701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 971127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor // If we already have a function template specialization, return it. 9722c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis if (SpecFunc) 9732c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis return SpecFunc; 974127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor } 9751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 976b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall bool isFriend; 977b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (FunctionTemplate) 978b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall isFriend = (FunctionTemplate->getFriendObjectKind() != Decl::FOK_None); 979b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall else 980b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall isFriend = (D->getFriendObjectKind() != Decl::FOK_None); 981b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall 98279c2278a66d8fc0943774d1b7c71a32f7764e1e2Douglas Gregor bool MergeWithParentScope = (TemplateParams != 0) || 983b212d9a8e10308cde5b7a1ce07bd59d8df14fa06Douglas Gregor Owner->isFunctionOrMethod() || 98479c2278a66d8fc0943774d1b7c71a32f7764e1e2Douglas Gregor !(isa<Decl>(Owner) && 98579c2278a66d8fc0943774d1b7c71a32f7764e1e2Douglas Gregor cast<Decl>(Owner)->isDefinedOutsideFunctionOrMethod()); 9862a7fb27913999d132cf9e10e03dc5271faa2e9d3John McCall LocalInstantiationScope Scope(SemaRef, MergeWithParentScope); 9871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 988e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor llvm::SmallVector<ParmVarDecl *, 4> Params; 98921ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall TypeSourceInfo *TInfo = D->getTypeSourceInfo(); 99021ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall TInfo = SubstFunctionType(D, Params); 99121ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall if (!TInfo) 9922dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor return 0; 99321ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall QualType T = TInfo->getType(); 994fd810b1386ed29b250e7d522ea826a65c815e49dJohn McCall 995d325daa506338ab86f9dd468b48fd010673f49a6John McCall NestedNameSpecifier *Qualifier = D->getQualifier(); 996d325daa506338ab86f9dd468b48fd010673f49a6John McCall if (Qualifier) { 997d325daa506338ab86f9dd468b48fd010673f49a6John McCall Qualifier = SemaRef.SubstNestedNameSpecifier(Qualifier, 998d325daa506338ab86f9dd468b48fd010673f49a6John McCall D->getQualifierRange(), 999d325daa506338ab86f9dd468b48fd010673f49a6John McCall TemplateArgs); 1000d325daa506338ab86f9dd468b48fd010673f49a6John McCall if (!Qualifier) return 0; 1001d325daa506338ab86f9dd468b48fd010673f49a6John McCall } 1002d325daa506338ab86f9dd468b48fd010673f49a6John McCall 100368b6b87b6beb7922fc2c8ab923ba2ce125490363John McCall // If we're instantiating a local function declaration, put the result 100468b6b87b6beb7922fc2c8ab923ba2ce125490363John McCall // in the owner; otherwise we need to find the instantiated context. 100568b6b87b6beb7922fc2c8ab923ba2ce125490363John McCall DeclContext *DC; 100668b6b87b6beb7922fc2c8ab923ba2ce125490363John McCall if (D->getDeclContext()->isFunctionOrMethod()) 100768b6b87b6beb7922fc2c8ab923ba2ce125490363John McCall DC = Owner; 1008d325daa506338ab86f9dd468b48fd010673f49a6John McCall else if (isFriend && Qualifier) { 1009d325daa506338ab86f9dd468b48fd010673f49a6John McCall CXXScopeSpec SS; 1010d325daa506338ab86f9dd468b48fd010673f49a6John McCall SS.setScopeRep(Qualifier); 1011d325daa506338ab86f9dd468b48fd010673f49a6John McCall SS.setRange(D->getQualifierRange()); 1012d325daa506338ab86f9dd468b48fd010673f49a6John McCall DC = SemaRef.computeDeclContext(SS); 1013d325daa506338ab86f9dd468b48fd010673f49a6John McCall if (!DC) return 0; 1014d325daa506338ab86f9dd468b48fd010673f49a6John McCall } else { 10157c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor DC = SemaRef.FindInstantiatedContext(D->getLocation(), D->getDeclContext(), 10167c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor TemplateArgs); 1017d325daa506338ab86f9dd468b48fd010673f49a6John McCall } 101868b6b87b6beb7922fc2c8ab923ba2ce125490363John McCall 101902cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall FunctionDecl *Function = 10201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FunctionDecl::Create(SemaRef.Context, DC, D->getLocation(), 102121ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall D->getDeclName(), T, TInfo, 102216573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor D->getStorageClass(), D->getStorageClassAsWritten(), 10230130f3cc4ccd5f46361c48d5fe94133d74619424Douglas Gregor D->isInlineSpecified(), D->hasWrittenPrototype()); 1024b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 1025d325daa506338ab86f9dd468b48fd010673f49a6John McCall if (Qualifier) 1026d325daa506338ab86f9dd468b48fd010673f49a6John McCall Function->setQualifierInfo(Qualifier, D->getQualifierRange()); 1027b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 1028b1a56e767cfb645fcb25027ab728dd5824d92615John McCall DeclContext *LexicalDC = Owner; 1029b1a56e767cfb645fcb25027ab728dd5824d92615John McCall if (!isFriend && D->isOutOfLine()) { 1030b1a56e767cfb645fcb25027ab728dd5824d92615John McCall assert(D->getDeclContext()->isFileContext()); 1031b1a56e767cfb645fcb25027ab728dd5824d92615John McCall LexicalDC = D->getDeclContext(); 1032b1a56e767cfb645fcb25027ab728dd5824d92615John McCall } 1033b1a56e767cfb645fcb25027ab728dd5824d92615John McCall 1034b1a56e767cfb645fcb25027ab728dd5824d92615John McCall Function->setLexicalDeclContext(LexicalDC); 10351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1036e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor // Attach the parameters 1037e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor for (unsigned P = 0; P < Params.size(); ++P) 10383019c444c672938c57f5573840071ecd73425ee7John McCall if (Params[P]) 10393019c444c672938c57f5573840071ecd73425ee7John McCall Params[P]->setOwningFunction(Function); 1040838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor Function->setParams(Params.data(), Params.size()); 104102cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall 1042ac7c2c8a9d47df7d652364af3043c41816a18fa4Douglas Gregor SourceLocation InstantiateAtPOI; 1043a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor if (TemplateParams) { 1044a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // Our resulting instantiation is actually a function template, since we 1045a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // are substituting only the outer template parameters. For example, given 1046a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // 1047a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // template<typename T> 1048a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // struct X { 1049a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // template<typename U> friend void f(T, U); 1050a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // }; 1051a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // 1052a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // X<int> x; 1053a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // 1054a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // We are instantiating the friend function template "f" within X<int>, 1055a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // which means substituting int for T, but leaving "f" as a friend function 1056a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // template. 1057a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // Build the function template itself. 1058d325daa506338ab86f9dd468b48fd010673f49a6John McCall FunctionTemplate = FunctionTemplateDecl::Create(SemaRef.Context, DC, 1059a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor Function->getLocation(), 1060a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor Function->getDeclName(), 1061a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor TemplateParams, Function); 1062a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor Function->setDescribedFunctionTemplate(FunctionTemplate); 1063b1a56e767cfb645fcb25027ab728dd5824d92615John McCall 1064b1a56e767cfb645fcb25027ab728dd5824d92615John McCall FunctionTemplate->setLexicalDeclContext(LexicalDC); 1065d325daa506338ab86f9dd468b48fd010673f49a6John McCall 1066d325daa506338ab86f9dd468b48fd010673f49a6John McCall if (isFriend && D->isThisDeclarationADefinition()) { 1067d325daa506338ab86f9dd468b48fd010673f49a6John McCall // TODO: should we remember this connection regardless of whether 1068d325daa506338ab86f9dd468b48fd010673f49a6John McCall // the friend declaration provided a body? 1069d325daa506338ab86f9dd468b48fd010673f49a6John McCall FunctionTemplate->setInstantiatedFromMemberTemplate( 1070d325daa506338ab86f9dd468b48fd010673f49a6John McCall D->getDescribedFunctionTemplate()); 1071d325daa506338ab86f9dd468b48fd010673f49a6John McCall } 107266724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor } else if (FunctionTemplate) { 107366724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor // Record this function template specialization. 107424bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor std::pair<const TemplateArgument *, unsigned> Innermost 107524bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor = TemplateArgs.getInnermost(); 1076838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor Function->setFunctionTemplateSpecialization(FunctionTemplate, 107724bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor new (SemaRef.Context) TemplateArgumentList(SemaRef.Context, 107824bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor Innermost.first, 107924bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor Innermost.second), 108066724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor InsertPos); 1081d325daa506338ab86f9dd468b48fd010673f49a6John McCall } else if (isFriend && D->isThisDeclarationADefinition()) { 1082d325daa506338ab86f9dd468b48fd010673f49a6John McCall // TODO: should we remember this connection regardless of whether 1083d325daa506338ab86f9dd468b48fd010673f49a6John McCall // the friend declaration provided a body? 1084d325daa506338ab86f9dd468b48fd010673f49a6John McCall Function->setInstantiationOfMemberFunction(D, TSK_ImplicitInstantiation); 108502cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall } 1086a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor 1087e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor if (InitFunctionInstantiation(Function, D)) 1088e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor Function->setInvalidDecl(); 10891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1090e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor bool Redeclaration = false; 1091e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor bool OverloadableAttrRequired = false; 1092af2094e7cecadf36667deb61a83587ffdd979bd3John McCall bool isExplicitSpecialization = false; 1093a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor 10946826314938f8510cd1a6b03b5d032592456ae27bJohn McCall LookupResult Previous(SemaRef, Function->getDeclName(), SourceLocation(), 10956826314938f8510cd1a6b03b5d032592456ae27bJohn McCall Sema::LookupOrdinaryName, Sema::ForRedeclaration); 10966826314938f8510cd1a6b03b5d032592456ae27bJohn McCall 1097af2094e7cecadf36667deb61a83587ffdd979bd3John McCall if (DependentFunctionTemplateSpecializationInfo *Info 1098af2094e7cecadf36667deb61a83587ffdd979bd3John McCall = D->getDependentSpecializationInfo()) { 1099af2094e7cecadf36667deb61a83587ffdd979bd3John McCall assert(isFriend && "non-friend has dependent specialization info?"); 1100af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1101af2094e7cecadf36667deb61a83587ffdd979bd3John McCall // This needs to be set now for future sanity. 1102af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Function->setObjectOfFriendDecl(/*HasPrevious*/ true); 1103af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1104af2094e7cecadf36667deb61a83587ffdd979bd3John McCall // Instantiate the explicit template arguments. 1105af2094e7cecadf36667deb61a83587ffdd979bd3John McCall TemplateArgumentListInfo ExplicitArgs(Info->getLAngleLoc(), 1106af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Info->getRAngleLoc()); 1107af2094e7cecadf36667deb61a83587ffdd979bd3John McCall for (unsigned I = 0, E = Info->getNumTemplateArgs(); I != E; ++I) { 1108af2094e7cecadf36667deb61a83587ffdd979bd3John McCall TemplateArgumentLoc Loc; 1109af2094e7cecadf36667deb61a83587ffdd979bd3John McCall if (SemaRef.Subst(Info->getTemplateArg(I), Loc, TemplateArgs)) 1110af2094e7cecadf36667deb61a83587ffdd979bd3John McCall return 0; 1111af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1112af2094e7cecadf36667deb61a83587ffdd979bd3John McCall ExplicitArgs.addArgument(Loc); 1113af2094e7cecadf36667deb61a83587ffdd979bd3John McCall } 1114af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1115af2094e7cecadf36667deb61a83587ffdd979bd3John McCall // Map the candidate templates to their instantiations. 1116af2094e7cecadf36667deb61a83587ffdd979bd3John McCall for (unsigned I = 0, E = Info->getNumTemplates(); I != E; ++I) { 1117af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Decl *Temp = SemaRef.FindInstantiatedDecl(D->getLocation(), 1118af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Info->getTemplate(I), 1119af2094e7cecadf36667deb61a83587ffdd979bd3John McCall TemplateArgs); 1120af2094e7cecadf36667deb61a83587ffdd979bd3John McCall if (!Temp) return 0; 1121af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1122af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Previous.addDecl(cast<FunctionTemplateDecl>(Temp)); 1123af2094e7cecadf36667deb61a83587ffdd979bd3John McCall } 1124af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1125af2094e7cecadf36667deb61a83587ffdd979bd3John McCall if (SemaRef.CheckFunctionTemplateSpecialization(Function, 1126af2094e7cecadf36667deb61a83587ffdd979bd3John McCall &ExplicitArgs, 1127af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Previous)) 1128af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Function->setInvalidDecl(); 1129af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1130af2094e7cecadf36667deb61a83587ffdd979bd3John McCall isExplicitSpecialization = true; 1131af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1132af2094e7cecadf36667deb61a83587ffdd979bd3John McCall } else if (TemplateParams || !FunctionTemplate) { 1133a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // Look only into the namespace where the friend would be declared to 1134a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // find a previous declaration. This is the innermost enclosing namespace, 1135a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // as described in ActOnFriendFunctionDecl. 11366826314938f8510cd1a6b03b5d032592456ae27bJohn McCall SemaRef.LookupQualifiedName(Previous, DC); 1137a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor 1138a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // In C++, the previous declaration we find might be a tag type 1139a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // (class or enum). In this case, the new declaration will hide the 1140a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // tag type. Note that this does does not apply if we're declaring a 1141a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // typedef (C++ [dcl.typedef]p4). 11426826314938f8510cd1a6b03b5d032592456ae27bJohn McCall if (Previous.isSingleTagDecl()) 11436826314938f8510cd1a6b03b5d032592456ae27bJohn McCall Previous.clear(); 1144a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor } 1145a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor 11469f54ad4381370c6b771424b53d219e661d6d6706John McCall SemaRef.CheckFunctionDeclaration(/*Scope*/ 0, Function, Previous, 1147af2094e7cecadf36667deb61a83587ffdd979bd3John McCall isExplicitSpecialization, Redeclaration, 1148e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor /*FIXME:*/OverloadableAttrRequired); 1149e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor 115076d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall NamedDecl *PrincipalDecl = (TemplateParams 115176d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall ? cast<NamedDecl>(FunctionTemplate) 115276d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall : Function); 115376d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall 1154a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // If the original function was part of a friend declaration, 1155a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // inherit its namespace state and add it to the owner. 1156d325daa506338ab86f9dd468b48fd010673f49a6John McCall if (isFriend) { 11576826314938f8510cd1a6b03b5d032592456ae27bJohn McCall NamedDecl *PrevDecl; 115876d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall if (TemplateParams) 1159a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor PrevDecl = FunctionTemplate->getPreviousDeclaration(); 116076d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall else 1161a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor PrevDecl = Function->getPreviousDeclaration(); 116276d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall 116376d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall PrincipalDecl->setObjectOfFriendDecl(PrevDecl != 0); 116476d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall DC->makeDeclVisibleInContext(PrincipalDecl, /*Recoverable=*/ false); 1165ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif 116677535dfde258765c056ef4c6786ef56cc48f0c76Gabor Greif bool queuedInstantiation = false; 1167ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif 1168238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor if (!SemaRef.getLangOptions().CPlusPlus0x && 1169238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor D->isThisDeclarationADefinition()) { 1170238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor // Check for a function body. 1171238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor const FunctionDecl *Definition = 0; 117206a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis if (Function->hasBody(Definition) && 1173238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor Definition->getTemplateSpecializationKind() == TSK_Undeclared) { 1174238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor SemaRef.Diag(Function->getLocation(), diag::err_redefinition) 1175238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor << Function->getDeclName(); 1176238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor SemaRef.Diag(Definition->getLocation(), diag::note_previous_definition); 1177238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor Function->setInvalidDecl(); 1178238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor } 1179238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor // Check for redefinitions due to other instantiations of this or 1180238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor // a similar friend function. 1181238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor else for (FunctionDecl::redecl_iterator R = Function->redecls_begin(), 1182238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor REnd = Function->redecls_end(); 1183238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor R != REnd; ++R) { 118413a8affbb87cdb869adabe2a6e5998559f2598c4Gabor Greif if (*R == Function) 118513a8affbb87cdb869adabe2a6e5998559f2598c4Gabor Greif continue; 1186ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif switch (R->getFriendObjectKind()) { 1187ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif case Decl::FOK_None: 1188ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif if (!queuedInstantiation && R->isUsed(false)) { 1189ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif if (MemberSpecializationInfo *MSInfo 1190ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif = Function->getMemberSpecializationInfo()) { 1191ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif if (MSInfo->getPointOfInstantiation().isInvalid()) { 1192ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif SourceLocation Loc = R->getLocation(); // FIXME 1193ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif MSInfo->setPointOfInstantiation(Loc); 1194ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif SemaRef.PendingLocalImplicitInstantiations.push_back( 1195ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif std::make_pair(Function, Loc)); 1196ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif queuedInstantiation = true; 1197ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif } 1198ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif } 1199ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif } 1200ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif break; 1201ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif default: 1202238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor if (const FunctionDecl *RPattern 12036a557d8f6b3d7a747a0b57960d4b86f05ba2e53cGabor Greif = R->getTemplateInstantiationPattern()) 120406a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis if (RPattern->hasBody(RPattern)) { 1205238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor SemaRef.Diag(Function->getLocation(), diag::err_redefinition) 1206238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor << Function->getDeclName(); 12076a557d8f6b3d7a747a0b57960d4b86f05ba2e53cGabor Greif SemaRef.Diag(R->getLocation(), diag::note_previous_definition); 1208238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor Function->setInvalidDecl(); 1209238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor break; 1210238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor } 1211238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor } 1212238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor } 1213238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor } 1214a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor } 1215a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor 121676d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall if (Function->isOverloadedOperator() && !DC->isRecord() && 121776d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall PrincipalDecl->isInIdentifierNamespace(Decl::IDNS_Ordinary)) 121876d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall PrincipalDecl->setNonMemberOperator(); 121976d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall 1220e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor return Function; 1221e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor} 12222dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor 1223d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas GregorDecl * 1224d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas GregorTemplateDeclInstantiator::VisitCXXMethodDecl(CXXMethodDecl *D, 1225d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor TemplateParameterList *TemplateParams) { 12266b906869527be40b0d38d755e9ef51b331b88162Douglas Gregor FunctionTemplateDecl *FunctionTemplate = D->getDescribedFunctionTemplate(); 12276b906869527be40b0d38d755e9ef51b331b88162Douglas Gregor void *InsertPos = 0; 1228d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor if (FunctionTemplate && !TemplateParams) { 12291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We are creating a function template specialization from a function 12301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // template. Check whether there is already a function template 1231d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // specialization for this particular set of template arguments. 123224bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor std::pair<const TemplateArgument *, unsigned> Innermost 123324bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor = TemplateArgs.getInnermost(); 12341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12352c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis FunctionDecl *SpecFunc 12362c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis = FunctionTemplate->findSpecialization(Innermost.first, Innermost.second, 12372c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis InsertPos); 12381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12396b906869527be40b0d38d755e9ef51b331b88162Douglas Gregor // If we already have a function template specialization, return it. 12402c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis if (SpecFunc) 12412c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis return SpecFunc; 12426b906869527be40b0d38d755e9ef51b331b88162Douglas Gregor } 12436b906869527be40b0d38d755e9ef51b331b88162Douglas Gregor 1244b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall bool isFriend; 1245b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (FunctionTemplate) 1246b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall isFriend = (FunctionTemplate->getFriendObjectKind() != Decl::FOK_None); 1247b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall else 1248b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall isFriend = (D->getFriendObjectKind() != Decl::FOK_None); 1249b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall 125079c2278a66d8fc0943774d1b7c71a32f7764e1e2Douglas Gregor bool MergeWithParentScope = (TemplateParams != 0) || 125179c2278a66d8fc0943774d1b7c71a32f7764e1e2Douglas Gregor !(isa<Decl>(Owner) && 125279c2278a66d8fc0943774d1b7c71a32f7764e1e2Douglas Gregor cast<Decl>(Owner)->isDefinedOutsideFunctionOrMethod()); 12532a7fb27913999d132cf9e10e03dc5271faa2e9d3John McCall LocalInstantiationScope Scope(SemaRef, MergeWithParentScope); 125448dd19b19ddb9e105f8cf0bf6f0732ca4e6a385bDouglas Gregor 12550ca20ac8cea99c43d89510f29cf3dc876f9c9111Douglas Gregor llvm::SmallVector<ParmVarDecl *, 4> Params; 125621ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall TypeSourceInfo *TInfo = D->getTypeSourceInfo(); 125721ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall TInfo = SubstFunctionType(D, Params); 125821ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall if (!TInfo) 12592dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor return 0; 126021ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall QualType T = TInfo->getType(); 12612dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor 12625f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor // \brief If the type of this function is not *directly* a function 12635f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor // type, then we're instantiating the a function that was declared 12645f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor // via a typedef, e.g., 12655f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor // 12665f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor // typedef int functype(int, int); 12675f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor // functype func; 12685f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor // 12695f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor // In this case, we'll just go instantiate the ParmVarDecls that we 12705f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor // synthesized in the method declaration. 12715f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor if (!isa<FunctionProtoType>(T)) { 12725f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor assert(!Params.size() && "Instantiating type could not yield parameters"); 12735f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor for (unsigned I = 0, N = D->getNumParams(); I != N; ++I) { 12745f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor ParmVarDecl *P = SemaRef.SubstParmVarDecl(D->getParamDecl(I), 12755f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor TemplateArgs); 12765f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor if (!P) 12775f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor return 0; 12785f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor 12795f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor Params.push_back(P); 12805f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor } 12815f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor } 12825f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor 1283b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall NestedNameSpecifier *Qualifier = D->getQualifier(); 1284b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (Qualifier) { 1285b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall Qualifier = SemaRef.SubstNestedNameSpecifier(Qualifier, 1286b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall D->getQualifierRange(), 1287b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall TemplateArgs); 1288b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (!Qualifier) return 0; 1289b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } 1290b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall 1291b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall DeclContext *DC = Owner; 1292b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (isFriend) { 1293b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (Qualifier) { 1294b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall CXXScopeSpec SS; 1295b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall SS.setScopeRep(Qualifier); 1296b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall SS.setRange(D->getQualifierRange()); 1297b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall DC = SemaRef.computeDeclContext(SS); 1298b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } else { 1299b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall DC = SemaRef.FindInstantiatedContext(D->getLocation(), 1300b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall D->getDeclContext(), 1301b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall TemplateArgs); 1302b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } 1303b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (!DC) return 0; 1304b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } 1305b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall 13062dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor // Build the instantiated method declaration. 1307b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall CXXRecordDecl *Record = cast<CXXRecordDecl>(DC); 1308dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor CXXMethodDecl *Method = 0; 13091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13102577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo NameInfo 13112577743c5650c646fb705df01403707e94f2df04Abramo Bagnara = SemaRef.SubstDeclarationNameInfo(D->getNameInfo(), TemplateArgs); 131217e32f30e2d1eaf6639d3d4e2196a8d7c709fbacDouglas Gregor if (CXXConstructorDecl *Constructor = dyn_cast<CXXConstructorDecl>(D)) { 13131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Method = CXXConstructorDecl::Create(SemaRef.Context, Record, 13142577743c5650c646fb705df01403707e94f2df04Abramo Bagnara NameInfo, T, TInfo, 13151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Constructor->isExplicit(), 131616573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor Constructor->isInlineSpecified(), 131716573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor false); 131817e32f30e2d1eaf6639d3d4e2196a8d7c709fbacDouglas Gregor } else if (CXXDestructorDecl *Destructor = dyn_cast<CXXDestructorDecl>(D)) { 131917e32f30e2d1eaf6639d3d4e2196a8d7c709fbacDouglas Gregor Method = CXXDestructorDecl::Create(SemaRef.Context, Record, 13202577743c5650c646fb705df01403707e94f2df04Abramo Bagnara NameInfo, T, 13212577743c5650c646fb705df01403707e94f2df04Abramo Bagnara Destructor->isInlineSpecified(), 132216573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor false); 132365ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor } else if (CXXConversionDecl *Conversion = dyn_cast<CXXConversionDecl>(D)) { 132465ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor Method = CXXConversionDecl::Create(SemaRef.Context, Record, 13252577743c5650c646fb705df01403707e94f2df04Abramo Bagnara NameInfo, T, TInfo, 13260130f3cc4ccd5f46361c48d5fe94133d74619424Douglas Gregor Conversion->isInlineSpecified(), 132765ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor Conversion->isExplicit()); 1328dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor } else { 13292577743c5650c646fb705df01403707e94f2df04Abramo Bagnara Method = CXXMethodDecl::Create(SemaRef.Context, Record, 13302577743c5650c646fb705df01403707e94f2df04Abramo Bagnara NameInfo, T, TInfo, 133116573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor D->isStatic(), 133216573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor D->getStorageClassAsWritten(), 133316573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor D->isInlineSpecified()); 1334dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor } 13356b906869527be40b0d38d755e9ef51b331b88162Douglas Gregor 1336b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (Qualifier) 1337b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall Method->setQualifierInfo(Qualifier, D->getQualifierRange()); 1338b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 1339d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor if (TemplateParams) { 1340d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // Our resulting instantiation is actually a function template, since we 1341d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // are substituting only the outer template parameters. For example, given 13421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // 1343d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // template<typename T> 1344d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // struct X { 1345d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // template<typename U> void f(T, U); 1346d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // }; 1347d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // 1348d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // X<int> x; 1349d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // 1350d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // We are instantiating the member template "f" within X<int>, which means 1351d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // substituting int for T, but leaving "f" as a member function template. 1352d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // Build the function template itself. 1353d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor FunctionTemplate = FunctionTemplateDecl::Create(SemaRef.Context, Record, 1354d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor Method->getLocation(), 13551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Method->getDeclName(), 1356d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor TemplateParams, Method); 1357b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (isFriend) { 1358b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall FunctionTemplate->setLexicalDeclContext(Owner); 1359b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall FunctionTemplate->setObjectOfFriendDecl(true); 1360b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } else if (D->isOutOfLine()) 13611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FunctionTemplate->setLexicalDeclContext(D->getLexicalDeclContext()); 1362d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor Method->setDescribedFunctionTemplate(FunctionTemplate); 136366724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor } else if (FunctionTemplate) { 136466724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor // Record this function template specialization. 136524bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor std::pair<const TemplateArgument *, unsigned> Innermost 136624bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor = TemplateArgs.getInnermost(); 1367838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor Method->setFunctionTemplateSpecialization(FunctionTemplate, 136824bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor new (SemaRef.Context) TemplateArgumentList(SemaRef.Context, 136924bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor Innermost.first, 137024bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor Innermost.second), 137166724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor InsertPos); 1372b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } else if (!isFriend) { 137366724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor // Record that this is an instantiation of a member function. 13742db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor Method->setInstantiationOfMemberFunction(D, TSK_ImplicitInstantiation); 137566724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor } 137666724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor 13771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If we are instantiating a member function defined 13787caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // out-of-line, the instantiation will have the same lexical 13797caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // context (which will be a namespace scope) as the template. 1380b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (isFriend) { 1381b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall Method->setLexicalDeclContext(Owner); 1382b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall Method->setObjectOfFriendDecl(true); 1383b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } else if (D->isOutOfLine()) 13847caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor Method->setLexicalDeclContext(D->getLexicalDeclContext()); 13851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13865545e166a956a20d7a6b58408e251a1119025485Douglas Gregor // Attach the parameters 13875545e166a956a20d7a6b58408e251a1119025485Douglas Gregor for (unsigned P = 0; P < Params.size(); ++P) 13885545e166a956a20d7a6b58408e251a1119025485Douglas Gregor Params[P]->setOwningFunction(Method); 1389838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor Method->setParams(Params.data(), Params.size()); 13905545e166a956a20d7a6b58408e251a1119025485Douglas Gregor 13915545e166a956a20d7a6b58408e251a1119025485Douglas Gregor if (InitMethodInstantiation(Method, D)) 13925545e166a956a20d7a6b58408e251a1119025485Douglas Gregor Method->setInvalidDecl(); 13932dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor 13942577743c5650c646fb705df01403707e94f2df04Abramo Bagnara LookupResult Previous(SemaRef, NameInfo, Sema::LookupOrdinaryName, 13952577743c5650c646fb705df01403707e94f2df04Abramo Bagnara Sema::ForRedeclaration); 13961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1397b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (!FunctionTemplate || TemplateParams || isFriend) { 1398b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall SemaRef.LookupQualifiedName(Previous, Record); 13991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1400dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor // In C++, the previous declaration we find might be a tag type 1401dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor // (class or enum). In this case, the new declaration will hide the 1402dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor // tag type. Note that this does does not apply if we're declaring a 1403dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor // typedef (C++ [dcl.typedef]p4). 14046826314938f8510cd1a6b03b5d032592456ae27bJohn McCall if (Previous.isSingleTagDecl()) 14056826314938f8510cd1a6b03b5d032592456ae27bJohn McCall Previous.clear(); 1406dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor } 14072dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor 140865ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor bool Redeclaration = false; 140965ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor bool OverloadableAttrRequired = false; 14109f54ad4381370c6b771424b53d219e661d6d6706John McCall SemaRef.CheckFunctionDeclaration(0, Method, Previous, false, Redeclaration, 141165ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor /*FIXME:*/OverloadableAttrRequired); 141265ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor 14134ba3136b3eb9740a07bd61d0ab23ce9a8d894deeDouglas Gregor if (D->isPure()) 14144ba3136b3eb9740a07bd61d0ab23ce9a8d894deeDouglas Gregor SemaRef.CheckPureMethod(Method, SourceRange()); 14154ba3136b3eb9740a07bd61d0ab23ce9a8d894deeDouglas Gregor 141646460a68f6508775e98c19b4bb8454bb471aac24John McCall Method->setAccess(D->getAccess()); 141746460a68f6508775e98c19b4bb8454bb471aac24John McCall 1418b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (FunctionTemplate) { 1419b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall // If there's a function template, let our caller handle it. 1420b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } else if (Method->isInvalidDecl() && !Previous.empty()) { 1421b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall // Don't hide a (potentially) valid declaration with an invalid one. 1422b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } else { 1423b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall NamedDecl *DeclToAdd = (TemplateParams 1424b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall ? cast<NamedDecl>(FunctionTemplate) 1425b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall : Method); 1426b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (isFriend) 1427b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall Record->makeDeclVisibleInContext(DeclToAdd); 1428b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall else 1429b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall Owner->addDecl(DeclToAdd); 1430b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } 1431bbc6454bb98d6a6ecbaafa715222c5db834307f2Argyrios Kyrtzidis 14322dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor return Method; 14332dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor} 14342dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor 1435615c5d4674355ba830b9978f462ca7a8c5d15f85Douglas GregorDecl *TemplateDeclInstantiator::VisitCXXConstructorDecl(CXXConstructorDecl *D) { 1436dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor return VisitCXXMethodDecl(D); 1437615c5d4674355ba830b9978f462ca7a8c5d15f85Douglas Gregor} 1438615c5d4674355ba830b9978f462ca7a8c5d15f85Douglas Gregor 143903b2b07aaef3a585aec13048a33356c7f635de72Douglas GregorDecl *TemplateDeclInstantiator::VisitCXXDestructorDecl(CXXDestructorDecl *D) { 144017e32f30e2d1eaf6639d3d4e2196a8d7c709fbacDouglas Gregor return VisitCXXMethodDecl(D); 144103b2b07aaef3a585aec13048a33356c7f635de72Douglas Gregor} 144203b2b07aaef3a585aec13048a33356c7f635de72Douglas Gregor 1443bb969ed4193e2eadabfaa0dfd0b94312b6146349Douglas GregorDecl *TemplateDeclInstantiator::VisitCXXConversionDecl(CXXConversionDecl *D) { 144465ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor return VisitCXXMethodDecl(D); 1445bb969ed4193e2eadabfaa0dfd0b94312b6146349Douglas Gregor} 1446bb969ed4193e2eadabfaa0dfd0b94312b6146349Douglas Gregor 14476477b69cc93e0a0ff15036d60d604f3544da0f29Douglas GregorParmVarDecl *TemplateDeclInstantiator::VisitParmVarDecl(ParmVarDecl *D) { 1448cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor return SemaRef.SubstParmVarDecl(D, TemplateArgs); 14492dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor} 14502dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor 1451e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCallDecl *TemplateDeclInstantiator::VisitTemplateTypeParmDecl( 1452e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall TemplateTypeParmDecl *D) { 1453e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall // TODO: don't always clone when decls are refcounted. 1454efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor const Type* T = D->getTypeForDecl(); 1455efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor assert(T->isTemplateTypeParmType()); 1456efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor const TemplateTypeParmType *TTPT = T->getAs<TemplateTypeParmType>(); 14571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1458e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall TemplateTypeParmDecl *Inst = 1459e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall TemplateTypeParmDecl::Create(SemaRef.Context, Owner, D->getLocation(), 146071b87e4fa6bfb47107b099135864f9024004a4c9Douglas Gregor TTPT->getDepth() - TemplateArgs.getNumLevels(), 146171b87e4fa6bfb47107b099135864f9024004a4c9Douglas Gregor TTPT->getIndex(),TTPT->getName(), 1462e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall D->wasDeclaredWithTypename(), 1463e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall D->isParameterPack()); 1464e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 14650f8716b7bb25d61a82f699b3975167451f7b5a68Douglas Gregor if (D->hasDefaultArgument()) 14660f8716b7bb25d61a82f699b3975167451f7b5a68Douglas Gregor Inst->setDefaultArgument(D->getDefaultArgumentInfo(), false); 1467e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 1468550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // Introduce this template parameter's instantiation into the instantiation 1469550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // scope. 1470550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal(D, Inst); 1471550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor 1472e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall return Inst; 1473e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall} 1474e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 147533642df30088f2ddb0b22c609523ab8df9dff595Douglas GregorDecl *TemplateDeclInstantiator::VisitNonTypeTemplateParmDecl( 147633642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor NonTypeTemplateParmDecl *D) { 147733642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor // Substitute into the type of the non-type template parameter. 147833642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor QualType T; 1479a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = D->getTypeSourceInfo(); 148033642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor if (DI) { 148133642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor DI = SemaRef.SubstType(DI, TemplateArgs, D->getLocation(), 148233642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor D->getDeclName()); 148333642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor if (DI) T = DI->getType(); 148433642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor } else { 148533642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor T = SemaRef.SubstType(D->getType(), TemplateArgs, D->getLocation(), 148633642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor D->getDeclName()); 148733642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor DI = 0; 148833642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor } 148933642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor if (T.isNull()) 149033642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor return 0; 149133642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor 149233642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor // Check that this type is acceptable for a non-type template parameter. 149333642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor bool Invalid = false; 149433642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor T = SemaRef.CheckNonTypeTemplateParameterType(T, D->getLocation()); 149533642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor if (T.isNull()) { 149633642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor T = SemaRef.Context.IntTy; 149733642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor Invalid = true; 149833642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor } 149933642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor 150033642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor NonTypeTemplateParmDecl *Param 150133642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor = NonTypeTemplateParmDecl::Create(SemaRef.Context, Owner, D->getLocation(), 150271b87e4fa6bfb47107b099135864f9024004a4c9Douglas Gregor D->getDepth() - TemplateArgs.getNumLevels(), 150371b87e4fa6bfb47107b099135864f9024004a4c9Douglas Gregor D->getPosition(), D->getIdentifier(), T, 150471b87e4fa6bfb47107b099135864f9024004a4c9Douglas Gregor DI); 150533642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor if (Invalid) 150633642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor Param->setInvalidDecl(); 150733642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor 1508d92f7a297c0ed3f7d0ebcbb557e1d4c1925b8c72Abramo Bagnara Param->setDefaultArgument(D->getDefaultArgument(), false); 1509550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor 1510550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // Introduce this template parameter's instantiation into the instantiation 1511550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // scope. 1512550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal(D, Param); 151333642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor return Param; 151433642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor} 151533642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor 15160dde18e5a713bc186062ca1ebc9967500b07faeeAnders CarlssonDecl * 15179106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas GregorTemplateDeclInstantiator::VisitTemplateTemplateParmDecl( 15189106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor TemplateTemplateParmDecl *D) { 15199106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor // Instantiate the template parameter list of the template template parameter. 15209106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor TemplateParameterList *TempParams = D->getTemplateParameters(); 15219106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor TemplateParameterList *InstParams; 15229106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor { 15239106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor // Perform the actual substitution of template parameters within a new, 15249106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor // local instantiation scope. 15252a7fb27913999d132cf9e10e03dc5271faa2e9d3John McCall LocalInstantiationScope Scope(SemaRef); 15269106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor InstParams = SubstTemplateParams(TempParams); 15279106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor if (!InstParams) 15289106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor return NULL; 15299106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor } 15309106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor 15319106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor // Build the template template parameter. 15329106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor TemplateTemplateParmDecl *Param 15339106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor = TemplateTemplateParmDecl::Create(SemaRef.Context, Owner, D->getLocation(), 153471b87e4fa6bfb47107b099135864f9024004a4c9Douglas Gregor D->getDepth() - TemplateArgs.getNumLevels(), 153571b87e4fa6bfb47107b099135864f9024004a4c9Douglas Gregor D->getPosition(), D->getIdentifier(), 153671b87e4fa6bfb47107b099135864f9024004a4c9Douglas Gregor InstParams); 1537d92f7a297c0ed3f7d0ebcbb557e1d4c1925b8c72Abramo Bagnara Param->setDefaultArgument(D->getDefaultArgument(), false); 15384469e8a97cdca3725b4f8f366916143113c029acDouglas Gregor 15399106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor // Introduce this template parameter's instantiation into the instantiation 15409106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor // scope. 15419106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal(D, Param); 15429106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor 15439106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor return Param; 15449106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor} 15459106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor 154648c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas GregorDecl *TemplateDeclInstantiator::VisitUsingDirectiveDecl(UsingDirectiveDecl *D) { 154748c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor // Using directives are never dependent, so they require no explicit 154848c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor 154948c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor UsingDirectiveDecl *Inst 155048c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor = UsingDirectiveDecl::Create(SemaRef.Context, Owner, D->getLocation(), 155148c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor D->getNamespaceKeyLocation(), 155248c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor D->getQualifierRange(), D->getQualifier(), 155348c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor D->getIdentLocation(), 155448c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor D->getNominatedNamespace(), 155548c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor D->getCommonAncestor()); 155648c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor Owner->addDecl(Inst); 155748c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor return Inst; 155848c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor} 155948c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor 1560ed97649e9574b9d854fa4d6109c9333ae0993554John McCallDecl *TemplateDeclInstantiator::VisitUsingDecl(UsingDecl *D) { 15611b398205267ea69f35230eea50e0225db22ebb7eDouglas Gregor 15621b398205267ea69f35230eea50e0225db22ebb7eDouglas Gregor // The nested name specifier may be dependent, for example 15631b398205267ea69f35230eea50e0225db22ebb7eDouglas Gregor // template <typename T> struct t { 15641b398205267ea69f35230eea50e0225db22ebb7eDouglas Gregor // struct s1 { T f1(); }; 15651b398205267ea69f35230eea50e0225db22ebb7eDouglas Gregor // struct s2 : s1 { using s1::f1; }; 15661b398205267ea69f35230eea50e0225db22ebb7eDouglas Gregor // }; 15671b398205267ea69f35230eea50e0225db22ebb7eDouglas Gregor // template struct t<int>; 15681b398205267ea69f35230eea50e0225db22ebb7eDouglas Gregor // Here, in using s1::f1, s1 refers to t<T>::s1; 15691b398205267ea69f35230eea50e0225db22ebb7eDouglas Gregor // we need to substitute for t<int>::s1. 15701b398205267ea69f35230eea50e0225db22ebb7eDouglas Gregor NestedNameSpecifier *NNS = 15711b398205267ea69f35230eea50e0225db22ebb7eDouglas Gregor SemaRef.SubstNestedNameSpecifier(D->getTargetNestedNameDecl(), 15721b398205267ea69f35230eea50e0225db22ebb7eDouglas Gregor D->getNestedNameRange(), 15731b398205267ea69f35230eea50e0225db22ebb7eDouglas Gregor TemplateArgs); 15741b398205267ea69f35230eea50e0225db22ebb7eDouglas Gregor if (!NNS) 15751b398205267ea69f35230eea50e0225db22ebb7eDouglas Gregor return 0; 15761b398205267ea69f35230eea50e0225db22ebb7eDouglas Gregor 15771b398205267ea69f35230eea50e0225db22ebb7eDouglas Gregor // The name info is non-dependent, so no transformation 15781b398205267ea69f35230eea50e0225db22ebb7eDouglas Gregor // is required. 1579ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara DeclarationNameInfo NameInfo = D->getNameInfo(); 1580ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 15819f54ad4381370c6b771424b53d219e661d6d6706John McCall // We only need to do redeclaration lookups if we're in a class 15829f54ad4381370c6b771424b53d219e661d6d6706John McCall // scope (in fact, it's not really even possible in non-class 15839f54ad4381370c6b771424b53d219e661d6d6706John McCall // scopes). 15849f54ad4381370c6b771424b53d219e661d6d6706John McCall bool CheckRedeclaration = Owner->isRecord(); 15859f54ad4381370c6b771424b53d219e661d6d6706John McCall 1586ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara LookupResult Prev(SemaRef, NameInfo, Sema::LookupUsingDeclName, 1587ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara Sema::ForRedeclaration); 15889f54ad4381370c6b771424b53d219e661d6d6706John McCall 1589ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingDecl *NewUD = UsingDecl::Create(SemaRef.Context, Owner, 1590ed97649e9574b9d854fa4d6109c9333ae0993554John McCall D->getNestedNameRange(), 1591ed97649e9574b9d854fa4d6109c9333ae0993554John McCall D->getUsingLocation(), 15921b398205267ea69f35230eea50e0225db22ebb7eDouglas Gregor NNS, 1593ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara NameInfo, 1594ed97649e9574b9d854fa4d6109c9333ae0993554John McCall D->isTypeName()); 1595ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 1596ed97649e9574b9d854fa4d6109c9333ae0993554John McCall CXXScopeSpec SS; 15971b398205267ea69f35230eea50e0225db22ebb7eDouglas Gregor SS.setScopeRep(NNS); 1598ed97649e9574b9d854fa4d6109c9333ae0993554John McCall SS.setRange(D->getNestedNameRange()); 15999f54ad4381370c6b771424b53d219e661d6d6706John McCall 16009f54ad4381370c6b771424b53d219e661d6d6706John McCall if (CheckRedeclaration) { 16019f54ad4381370c6b771424b53d219e661d6d6706John McCall Prev.setHideTags(false); 16029f54ad4381370c6b771424b53d219e661d6d6706John McCall SemaRef.LookupQualifiedName(Prev, Owner); 16039f54ad4381370c6b771424b53d219e661d6d6706John McCall 16049f54ad4381370c6b771424b53d219e661d6d6706John McCall // Check for invalid redeclarations. 16059f54ad4381370c6b771424b53d219e661d6d6706John McCall if (SemaRef.CheckUsingDeclRedeclaration(D->getUsingLocation(), 16069f54ad4381370c6b771424b53d219e661d6d6706John McCall D->isTypeName(), SS, 16079f54ad4381370c6b771424b53d219e661d6d6706John McCall D->getLocation(), Prev)) 16089f54ad4381370c6b771424b53d219e661d6d6706John McCall NewUD->setInvalidDecl(); 16099f54ad4381370c6b771424b53d219e661d6d6706John McCall 16109f54ad4381370c6b771424b53d219e661d6d6706John McCall } 16119f54ad4381370c6b771424b53d219e661d6d6706John McCall 16129f54ad4381370c6b771424b53d219e661d6d6706John McCall if (!NewUD->isInvalidDecl() && 16139f54ad4381370c6b771424b53d219e661d6d6706John McCall SemaRef.CheckUsingDeclQualifier(D->getUsingLocation(), SS, 1614ed97649e9574b9d854fa4d6109c9333ae0993554John McCall D->getLocation())) 1615ed97649e9574b9d854fa4d6109c9333ae0993554John McCall NewUD->setInvalidDecl(); 16169f54ad4381370c6b771424b53d219e661d6d6706John McCall 1617ed97649e9574b9d854fa4d6109c9333ae0993554John McCall SemaRef.Context.setInstantiatedFromUsingDecl(NewUD, D); 1618ed97649e9574b9d854fa4d6109c9333ae0993554John McCall NewUD->setAccess(D->getAccess()); 1619ed97649e9574b9d854fa4d6109c9333ae0993554John McCall Owner->addDecl(NewUD); 1620ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 16219f54ad4381370c6b771424b53d219e661d6d6706John McCall // Don't process the shadow decls for an invalid decl. 16229f54ad4381370c6b771424b53d219e661d6d6706John McCall if (NewUD->isInvalidDecl()) 16239f54ad4381370c6b771424b53d219e661d6d6706John McCall return NewUD; 16249f54ad4381370c6b771424b53d219e661d6d6706John McCall 1625323c310efa0abd7a786b0303501186b5f33eb8d7John McCall bool isFunctionScope = Owner->isFunctionOrMethod(); 1626323c310efa0abd7a786b0303501186b5f33eb8d7John McCall 16279f54ad4381370c6b771424b53d219e661d6d6706John McCall // Process the shadow decls. 16289f54ad4381370c6b771424b53d219e661d6d6706John McCall for (UsingDecl::shadow_iterator I = D->shadow_begin(), E = D->shadow_end(); 16299f54ad4381370c6b771424b53d219e661d6d6706John McCall I != E; ++I) { 16309f54ad4381370c6b771424b53d219e661d6d6706John McCall UsingShadowDecl *Shadow = *I; 16319f54ad4381370c6b771424b53d219e661d6d6706John McCall NamedDecl *InstTarget = 16327c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor cast<NamedDecl>(SemaRef.FindInstantiatedDecl(Shadow->getLocation(), 16337c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor Shadow->getTargetDecl(), 16349f54ad4381370c6b771424b53d219e661d6d6706John McCall TemplateArgs)); 16359f54ad4381370c6b771424b53d219e661d6d6706John McCall 16369f54ad4381370c6b771424b53d219e661d6d6706John McCall if (CheckRedeclaration && 16379f54ad4381370c6b771424b53d219e661d6d6706John McCall SemaRef.CheckUsingShadowDecl(NewUD, InstTarget, Prev)) 16389f54ad4381370c6b771424b53d219e661d6d6706John McCall continue; 16399f54ad4381370c6b771424b53d219e661d6d6706John McCall 16409f54ad4381370c6b771424b53d219e661d6d6706John McCall UsingShadowDecl *InstShadow 16419f54ad4381370c6b771424b53d219e661d6d6706John McCall = SemaRef.BuildUsingShadowDecl(/*Scope*/ 0, NewUD, InstTarget); 16429f54ad4381370c6b771424b53d219e661d6d6706John McCall SemaRef.Context.setInstantiatedFromUsingShadowDecl(InstShadow, Shadow); 1643323c310efa0abd7a786b0303501186b5f33eb8d7John McCall 1644323c310efa0abd7a786b0303501186b5f33eb8d7John McCall if (isFunctionScope) 1645323c310efa0abd7a786b0303501186b5f33eb8d7John McCall SemaRef.CurrentInstantiationScope->InstantiatedLocal(Shadow, InstShadow); 16469f54ad4381370c6b771424b53d219e661d6d6706John McCall } 1647ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 1648ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return NewUD; 1649ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 1650ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 1651ed97649e9574b9d854fa4d6109c9333ae0993554John McCallDecl *TemplateDeclInstantiator::VisitUsingShadowDecl(UsingShadowDecl *D) { 16529f54ad4381370c6b771424b53d219e661d6d6706John McCall // Ignore these; we handle them in bulk when processing the UsingDecl. 16539f54ad4381370c6b771424b53d219e661d6d6706John McCall return 0; 1654ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 1655ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 16567ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallDecl * TemplateDeclInstantiator 16577ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall ::VisitUnresolvedUsingTypenameDecl(UnresolvedUsingTypenameDecl *D) { 16587ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall NestedNameSpecifier *NNS = 16597ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall SemaRef.SubstNestedNameSpecifier(D->getTargetNestedNameSpecifier(), 16607ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall D->getTargetNestedNameRange(), 16617ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall TemplateArgs); 16627ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall if (!NNS) 16637ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall return 0; 16647ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall 16657ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall CXXScopeSpec SS; 16667ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall SS.setRange(D->getTargetNestedNameRange()); 16677ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall SS.setScopeRep(NNS); 16687ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall 1669ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara // Since NameInfo refers to a typename, it cannot be a C++ special name. 1670ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara // Hence, no tranformation is required for it. 1671ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara DeclarationNameInfo NameInfo(D->getDeclName(), D->getLocation()); 16727ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall NamedDecl *UD = 16737ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall SemaRef.BuildUsingDeclaration(/*Scope*/ 0, D->getAccess(), 1674ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara D->getUsingLoc(), SS, NameInfo, 0, 16757ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall /*instantiation*/ true, 16767ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall /*typename*/ true, D->getTypenameLoc()); 16774469e8a97cdca3725b4f8f366916143113c029acDouglas Gregor if (UD) 1678ed97649e9574b9d854fa4d6109c9333ae0993554John McCall SemaRef.Context.setInstantiatedFromUsingDecl(cast<UsingDecl>(UD), D); 1679ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 16807ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall return UD; 16817ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall} 16827ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall 16837ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallDecl * TemplateDeclInstantiator 16847ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall ::VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D) { 16851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NestedNameSpecifier *NNS = 16861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SemaRef.SubstNestedNameSpecifier(D->getTargetNestedNameSpecifier(), 16871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump D->getTargetNestedNameRange(), 16880dde18e5a713bc186062ca1ebc9967500b07faeeAnders Carlsson TemplateArgs); 16890dde18e5a713bc186062ca1ebc9967500b07faeeAnders Carlsson if (!NNS) 16900dde18e5a713bc186062ca1ebc9967500b07faeeAnders Carlsson return 0; 16911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16920dde18e5a713bc186062ca1ebc9967500b07faeeAnders Carlsson CXXScopeSpec SS; 16930dde18e5a713bc186062ca1ebc9967500b07faeeAnders Carlsson SS.setRange(D->getTargetNestedNameRange()); 16940dde18e5a713bc186062ca1ebc9967500b07faeeAnders Carlsson SS.setScopeRep(NNS); 16951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1696ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara DeclarationNameInfo NameInfo 1697ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara = SemaRef.SubstDeclarationNameInfo(D->getNameInfo(), TemplateArgs); 1698ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara 16991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NamedDecl *UD = 17009488ea120e093068021f944176c3d610dd540914John McCall SemaRef.BuildUsingDeclaration(/*Scope*/ 0, D->getAccess(), 1701ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara D->getUsingLoc(), SS, NameInfo, 0, 17027ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall /*instantiation*/ true, 17037ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall /*typename*/ false, SourceLocation()); 17044469e8a97cdca3725b4f8f366916143113c029acDouglas Gregor if (UD) 1705ed97649e9574b9d854fa4d6109c9333ae0993554John McCall SemaRef.Context.setInstantiatedFromUsingDecl(cast<UsingDecl>(UD), D); 1706ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 17070d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return UD; 17080dde18e5a713bc186062ca1ebc9967500b07faeeAnders Carlsson} 17090dde18e5a713bc186062ca1ebc9967500b07faeeAnders Carlsson 1710ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCallDecl *Sema::SubstDecl(Decl *D, DeclContext *Owner, 1711d6350aefb1396b299e199c7f1fe51bb40c12e75eDouglas Gregor const MultiLevelTemplateArgumentList &TemplateArgs) { 17127e06390f8a60440d6fc5f0e633acdc2edd8ee924Douglas Gregor TemplateDeclInstantiator Instantiator(*this, Owner, TemplateArgs); 17132fa98001f832836e3f652c211a9d2f80501d659aDouglas Gregor if (D->isInvalidDecl()) 17142fa98001f832836e3f652c211a9d2f80501d659aDouglas Gregor return 0; 17152fa98001f832836e3f652c211a9d2f80501d659aDouglas Gregor 17168dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor return Instantiator.Visit(D); 17178dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor} 17188dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 1719e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall/// \brief Instantiates a nested template parameter list in the current 1720e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall/// instantiation context. 1721e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall/// 1722e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall/// \param L The parameter list to instantiate 1723e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall/// 1724e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall/// \returns NULL if there was an error 1725e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCallTemplateParameterList * 1726ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCallTemplateDeclInstantiator::SubstTemplateParams(TemplateParameterList *L) { 1727e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall // Get errors for all the parameters before bailing out. 1728e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall bool Invalid = false; 1729e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 1730e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall unsigned N = L->size(); 1731bf4ea56cdc376cef5a12abf6bf18dc34805c2226Douglas Gregor typedef llvm::SmallVector<NamedDecl *, 8> ParamVector; 1732e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall ParamVector Params; 1733e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall Params.reserve(N); 1734e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall for (TemplateParameterList::iterator PI = L->begin(), PE = L->end(); 1735e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall PI != PE; ++PI) { 1736bf4ea56cdc376cef5a12abf6bf18dc34805c2226Douglas Gregor NamedDecl *D = cast_or_null<NamedDecl>(Visit(*PI)); 1737e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall Params.push_back(D); 17389148c3f5829f4d031249faeb1043e7be914539e8Douglas Gregor Invalid = Invalid || !D || D->isInvalidDecl(); 1739e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall } 1740e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 1741e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall // Clean up if we had an error. 1742ff331c15729f7d4439d253c97f4d60f2a7ffd0c6Douglas Gregor if (Invalid) 1743e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall return NULL; 1744e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 1745e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall TemplateParameterList *InstL 1746e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall = TemplateParameterList::Create(SemaRef.Context, L->getTemplateLoc(), 1747e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall L->getLAngleLoc(), &Params.front(), N, 1748e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall L->getRAngleLoc()); 1749e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall return InstL; 17501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump} 1751e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 1752ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// \brief Instantiate the declaration of a class template partial 1753ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// specialization. 1754ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// 1755ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// \param ClassTemplate the (instantiated) class template that is partially 1756ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor// specialized by the instantiation of \p PartialSpec. 1757ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// 1758ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// \param PartialSpec the (uninstantiated) class template partial 1759ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// specialization that we are instantiating. 1760ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// 1761ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// \returns true if there was an error, false otherwise. 1762ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregorbool 1763ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas GregorTemplateDeclInstantiator::InstantiateClassTemplatePartialSpecialization( 1764ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplateDecl *ClassTemplate, 1765ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplatePartialSpecializationDecl *PartialSpec) { 1766550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // Create a local instantiation scope for this class template partial 1767550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // specialization, which will contain the instantiations of the template 1768550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // parameters. 17692a7fb27913999d132cf9e10e03dc5271faa2e9d3John McCall LocalInstantiationScope Scope(SemaRef); 1770550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor 1771ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Substitute into the template parameters of the class template partial 1772ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // specialization. 1773ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor TemplateParameterList *TempParams = PartialSpec->getTemplateParameters(); 1774ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor TemplateParameterList *InstParams = SubstTemplateParams(TempParams); 1775ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor if (!InstParams) 1776ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return true; 1777ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1778ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Substitute into the template arguments of the class template partial 1779ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // specialization. 1780833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const TemplateArgumentLoc *PartialSpecTemplateArgs 1781833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall = PartialSpec->getTemplateArgsAsWritten(); 1782833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall unsigned N = PartialSpec->getNumTemplateArgsAsWritten(); 1783833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 1784d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall TemplateArgumentListInfo InstTemplateArgs; // no angle locations 1785833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall for (unsigned I = 0; I != N; ++I) { 1786d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall TemplateArgumentLoc Loc; 1787d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall if (SemaRef.Subst(PartialSpecTemplateArgs[I], Loc, TemplateArgs)) 1788ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return true; 1789d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall InstTemplateArgs.addArgument(Loc); 1790ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor } 1791ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1792ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1793ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Check that the template argument list is well-formed for this 1794ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // class template. 1795ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor TemplateArgumentListBuilder Converted(ClassTemplate->getTemplateParameters(), 1796ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor InstTemplateArgs.size()); 1797ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor if (SemaRef.CheckTemplateArgumentList(ClassTemplate, 1798ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor PartialSpec->getLocation(), 1799d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall InstTemplateArgs, 1800ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor false, 1801ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor Converted)) 1802ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return true; 1803ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1804ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Figure out where to insert this class template partial specialization 1805ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // in the member template's set of class template partial specializations. 1806ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor void *InsertPos = 0; 1807ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplateSpecializationDecl *PrevDecl 1808cc0b1bc979b650a8a8b34b2032a074fd7724a90dArgyrios Kyrtzidis = ClassTemplate->findPartialSpecialization(Converted.getFlatArguments(), 1809cc0b1bc979b650a8a8b34b2032a074fd7724a90dArgyrios Kyrtzidis Converted.flatSize(), InsertPos); 1810ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1811ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Build the canonical type that describes the converted template 1812ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // arguments of the class template partial specialization. 1813ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor QualType CanonType 1814ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor = SemaRef.Context.getTemplateSpecializationType(TemplateName(ClassTemplate), 1815ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor Converted.getFlatArguments(), 1816ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor Converted.flatSize()); 1817ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1818ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Build the fully-sugared type for this class template 1819ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // specialization as the user wrote in the specialization 1820ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // itself. This means that we'll pretty-print the type retrieved 1821ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // from the specialization's declaration the way that the user 1822ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // actually wrote the specialization, rather than formatting the 1823ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // name based on the "canonical" representation used to store the 1824ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // template arguments in the specialization. 18253cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TypeSourceInfo *WrittenTy 18263cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall = SemaRef.Context.getTemplateSpecializationTypeInfo( 18273cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TemplateName(ClassTemplate), 18283cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall PartialSpec->getLocation(), 1829d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall InstTemplateArgs, 1830ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor CanonType); 1831ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1832ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor if (PrevDecl) { 1833ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // We've already seen a partial specialization with the same template 1834ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // parameters and template arguments. This can happen, for example, when 1835ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // substituting the outer template arguments ends up causing two 1836ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // class template partial specializations of a member class template 1837ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // to have identical forms, e.g., 1838ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // 1839ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // template<typename T, typename U> 1840ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // struct Outer { 1841ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // template<typename X, typename Y> struct Inner; 1842ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // template<typename Y> struct Inner<T, Y>; 1843ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // template<typename Y> struct Inner<U, Y>; 1844ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // }; 1845ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // 1846ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Outer<int, int> outer; // error: the partial specializations of Inner 1847ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // // have the same signature. 1848ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor SemaRef.Diag(PartialSpec->getLocation(), diag::err_partial_spec_redeclared) 1849ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor << WrittenTy; 1850ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor SemaRef.Diag(PrevDecl->getLocation(), diag::note_prev_partial_spec_here) 1851ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor << SemaRef.Context.getTypeDeclType(PrevDecl); 1852ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return true; 1853ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor } 1854ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1855ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1856ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Create the class template partial specialization declaration. 1857ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplatePartialSpecializationDecl *InstPartialSpec 185813c8577201e4fc0ddac5f09d05fd1778832137d1Douglas Gregor = ClassTemplatePartialSpecializationDecl::Create(SemaRef.Context, 185913c8577201e4fc0ddac5f09d05fd1778832137d1Douglas Gregor PartialSpec->getTagKind(), 186013c8577201e4fc0ddac5f09d05fd1778832137d1Douglas Gregor Owner, 1861ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor PartialSpec->getLocation(), 1862ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor InstParams, 1863ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplate, 1864ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor Converted, 1865d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall InstTemplateArgs, 18663cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall CanonType, 1867dc60c1eb4acbde6edcec9760de92f9098593d915Douglas Gregor 0, 1868cc0b1bc979b650a8a8b34b2032a074fd7724a90dArgyrios Kyrtzidis ClassTemplate->getNextPartialSpecSequenceNumber()); 1869b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Substitute the nested name specifier, if any. 1870b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (SubstQualifier(PartialSpec, InstPartialSpec)) 1871b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall return 0; 1872b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 1873ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor InstPartialSpec->setInstantiatedFromMember(PartialSpec); 18744469e8a97cdca3725b4f8f366916143113c029acDouglas Gregor InstPartialSpec->setTypeAsWritten(WrittenTy); 18754469e8a97cdca3725b4f8f366916143113c029acDouglas Gregor 1876ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Add this partial specialization to the set of class template partial 1877ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // specializations. 1878cc0b1bc979b650a8a8b34b2032a074fd7724a90dArgyrios Kyrtzidis ClassTemplate->AddPartialSpecialization(InstPartialSpec, InsertPos); 1879ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return false; 1880ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor} 1881ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 188221ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCallTypeSourceInfo* 188321ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCallTemplateDeclInstantiator::SubstFunctionType(FunctionDecl *D, 188421ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall llvm::SmallVectorImpl<ParmVarDecl *> &Params) { 188521ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall TypeSourceInfo *OldTInfo = D->getTypeSourceInfo(); 188621ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall assert(OldTInfo && "substituting function without type source info"); 188721ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall assert(Params.empty() && "parameter vector is non-empty at start"); 18886cd3b9fb8a29bb70fff01719bdde238723d67c10John McCall TypeSourceInfo *NewTInfo 18896cd3b9fb8a29bb70fff01719bdde238723d67c10John McCall = SemaRef.SubstFunctionDeclType(OldTInfo, TemplateArgs, 18906cd3b9fb8a29bb70fff01719bdde238723d67c10John McCall D->getTypeSpecStartLoc(), 18916cd3b9fb8a29bb70fff01719bdde238723d67c10John McCall D->getDeclName()); 189221ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall if (!NewTInfo) 189321ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall return 0; 18945545e166a956a20d7a6b58408e251a1119025485Douglas Gregor 1895cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor if (NewTInfo != OldTInfo) { 1896cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor // Get parameters from the new type info. 1897895162da2d52f4243f61081d7436de66af4503fcDouglas Gregor TypeLoc OldTL = OldTInfo->getTypeLoc(); 18986920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor if (FunctionProtoTypeLoc *OldProtoLoc 18996920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor = dyn_cast<FunctionProtoTypeLoc>(&OldTL)) { 19006920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor TypeLoc NewTL = NewTInfo->getTypeLoc(); 19016920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor FunctionProtoTypeLoc *NewProtoLoc = cast<FunctionProtoTypeLoc>(&NewTL); 19026920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor assert(NewProtoLoc && "Missing prototype?"); 19036920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor for (unsigned i = 0, i_end = NewProtoLoc->getNumArgs(); i != i_end; ++i) { 19046920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor // FIXME: Variadic templates will break this. 19056920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor Params.push_back(NewProtoLoc->getArg(i)); 19066920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal( 1907895162da2d52f4243f61081d7436de66af4503fcDouglas Gregor OldProtoLoc->getArg(i), 1908895162da2d52f4243f61081d7436de66af4503fcDouglas Gregor NewProtoLoc->getArg(i)); 19096920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor } 1910895162da2d52f4243f61081d7436de66af4503fcDouglas Gregor } 1911cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor } else { 1912cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor // The function type itself was not dependent and therefore no 1913cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor // substitution occurred. However, we still need to instantiate 1914cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor // the function parameters themselves. 1915cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor TypeLoc OldTL = OldTInfo->getTypeLoc(); 19166920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor if (FunctionProtoTypeLoc *OldProtoLoc 19176920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor = dyn_cast<FunctionProtoTypeLoc>(&OldTL)) { 19186920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor for (unsigned i = 0, i_end = OldProtoLoc->getNumArgs(); i != i_end; ++i) { 19196920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor ParmVarDecl *Parm = VisitParmVarDecl(OldProtoLoc->getArg(i)); 19206920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor if (!Parm) 19216920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor return 0; 19226920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor Params.push_back(Parm); 19236920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor } 1924cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor } 1925cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor } 192621ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall return NewTInfo; 19275545e166a956a20d7a6b58408e251a1119025485Douglas Gregor} 19285545e166a956a20d7a6b58408e251a1119025485Douglas Gregor 19291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// \brief Initializes the common fields of an instantiation function 1930e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor/// declaration (New) from the corresponding fields of its template (Tmpl). 1931e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor/// 1932e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor/// \returns true if there was an error 19331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpbool 19341eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateDeclInstantiator::InitFunctionInstantiation(FunctionDecl *New, 1935e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor FunctionDecl *Tmpl) { 1936e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor if (Tmpl->isDeleted()) 1937e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor New->setDeleted(); 19381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1939cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor // If we are performing substituting explicitly-specified template arguments 1940cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor // or deduced template arguments into a function template and we reach this 1941cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor // point, we are now past the point where SFINAE applies and have committed 19421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // to keeping the new function template specialization. We therefore 19431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // convert the active template instantiation for the function template 1944cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor // into a template instantiation for this specific function template 1945cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor // specialization, which is not a SFINAE context, so that we diagnose any 1946cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor // further errors in the declaration itself. 1947cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor typedef Sema::ActiveTemplateInstantiation ActiveInstType; 1948cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor ActiveInstType &ActiveInst = SemaRef.ActiveTemplateInstantiations.back(); 1949cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor if (ActiveInst.Kind == ActiveInstType::ExplicitTemplateArgumentSubstitution || 1950cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor ActiveInst.Kind == ActiveInstType::DeducedTemplateArgumentSubstitution) { 19511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionTemplateDecl *FunTmpl 1952cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor = dyn_cast<FunctionTemplateDecl>((Decl *)ActiveInst.Entity)) { 19531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(FunTmpl->getTemplatedDecl() == Tmpl && 1954cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor "Deduction from the wrong function template?"); 1955bcbb8bd3326a86aa70b7df386ae3c86c9ad255c5Daniel Dunbar (void) FunTmpl; 1956cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor ActiveInst.Kind = ActiveInstType::TemplateInstantiation; 1957cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor ActiveInst.Entity = reinterpret_cast<uintptr_t>(New); 1958f35f828f9883123772a9731af190a608f3236ef4Douglas Gregor --SemaRef.NonInstantiationEntries; 1959cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor } 1960cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor } 19611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19620ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor const FunctionProtoType *Proto = Tmpl->getType()->getAs<FunctionProtoType>(); 19630ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor assert(Proto && "Function template without prototype?"); 19640ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor 19650ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor if (Proto->hasExceptionSpec() || Proto->hasAnyExceptionSpec() || 19660ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor Proto->getNoReturnAttr()) { 19670ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor // The function has an exception specification or a "noreturn" 19680ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor // attribute. Substitute into each of the exception types. 19690ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor llvm::SmallVector<QualType, 4> Exceptions; 19700ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor for (unsigned I = 0, N = Proto->getNumExceptions(); I != N; ++I) { 19710ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor // FIXME: Poor location information! 19720ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor QualType T 19730ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor = SemaRef.SubstType(Proto->getExceptionType(I), TemplateArgs, 19740ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor New->getLocation(), New->getDeclName()); 19750ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor if (T.isNull() || 19760ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor SemaRef.CheckSpecifiedExceptionType(T, New->getLocation())) 19770ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor continue; 19780ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor 19790ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor Exceptions.push_back(T); 19800ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor } 19810ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor 19820ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor // Rebuild the function type 19830ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor 19840ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor const FunctionProtoType *NewProto 19850ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor = New->getType()->getAs<FunctionProtoType>(); 19860ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor assert(NewProto && "Template instantiation without function prototype?"); 19870ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor New->setType(SemaRef.Context.getFunctionType(NewProto->getResultType(), 19880ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor NewProto->arg_type_begin(), 19890ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor NewProto->getNumArgs(), 19900ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor NewProto->isVariadic(), 19910ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor NewProto->getTypeQuals(), 19920ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor Proto->hasExceptionSpec(), 19930ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor Proto->hasAnyExceptionSpec(), 19940ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor Exceptions.size(), 19950ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor Exceptions.data(), 1996264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Proto->getExtInfo())); 19970ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor } 19980ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor 19991d8d1ccd36888f1120b3a1df9e76f35dc2edb81dJohn McCall SemaRef.InstantiateAttrs(TemplateArgs, Tmpl, New); 20007cf84d66965a7706004d8590b5af5fe54b85f525Douglas Gregor 2001e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor return false; 2002e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor} 2003e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor 20045545e166a956a20d7a6b58408e251a1119025485Douglas Gregor/// \brief Initializes common fields of an instantiated method 20055545e166a956a20d7a6b58408e251a1119025485Douglas Gregor/// declaration (New) from the corresponding fields of its template 20065545e166a956a20d7a6b58408e251a1119025485Douglas Gregor/// (Tmpl). 20075545e166a956a20d7a6b58408e251a1119025485Douglas Gregor/// 20085545e166a956a20d7a6b58408e251a1119025485Douglas Gregor/// \returns true if there was an error 20091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpbool 20101eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateDeclInstantiator::InitMethodInstantiation(CXXMethodDecl *New, 20115545e166a956a20d7a6b58408e251a1119025485Douglas Gregor CXXMethodDecl *Tmpl) { 2012e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor if (InitFunctionInstantiation(New, Tmpl)) 2013e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor return true; 20141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20155545e166a956a20d7a6b58408e251a1119025485Douglas Gregor New->setAccess(Tmpl->getAccess()); 2016e7184df728bb339633d88c774b5097dd9318cc8aFariborz Jahanian if (Tmpl->isVirtualAsWritten()) 201785606ebf3dd1b5dd81a59ef25b5ad47627664774Douglas Gregor New->setVirtualAsWritten(true); 20185545e166a956a20d7a6b58408e251a1119025485Douglas Gregor 20195545e166a956a20d7a6b58408e251a1119025485Douglas Gregor // FIXME: attributes 20205545e166a956a20d7a6b58408e251a1119025485Douglas Gregor // FIXME: New needs a pointer to Tmpl 20215545e166a956a20d7a6b58408e251a1119025485Douglas Gregor return false; 20225545e166a956a20d7a6b58408e251a1119025485Douglas Gregor} 2023a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor 2024a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor/// \brief Instantiate the definition of the given function from its 2025a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor/// template. 2026a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor/// 2027b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// \param PointOfInstantiation the point at which the instantiation was 2028b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// required. Note that this is not precisely a "point of instantiation" 2029b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// for the function, but it's close. 2030b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// 2031a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor/// \param Function the already-instantiated declaration of a 2032b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// function template specialization or member function of a class template 2033b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// specialization. 2034b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// 2035b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// \param Recursive if true, recursively instantiates any functions that 2036b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// are required by this instantiation. 2037e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor/// 2038e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor/// \param DefinitionRequired if true, then we are performing an explicit 2039e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor/// instantiation where the body of the function is required. Complain if 2040e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor/// there is no such body. 2041f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregorvoid Sema::InstantiateFunctionDefinition(SourceLocation PointOfInstantiation, 2042b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor FunctionDecl *Function, 2043e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor bool Recursive, 2044e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor bool DefinitionRequired) { 204506a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis if (Function->isInvalidDecl() || Function->hasBody()) 204654dabfca850ca9e60e9ffb60003529f868d4d127Douglas Gregor return; 204754dabfca850ca9e60e9ffb60003529f868d4d127Douglas Gregor 2048251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor // Never instantiate an explicit specialization. 2049251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor if (Function->getTemplateSpecializationKind() == TSK_ExplicitSpecialization) 2050251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return; 20516cfacfe54c75baa4d67f1fbdf4f80644b662818eDouglas Gregor 20521eee0e753fb390b04848846e837714ec774b7bfdDouglas Gregor // Find the function body that we'll be substituting. 20533b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor const FunctionDecl *PatternDecl = Function->getTemplateInstantiationPattern(); 20541eee0e753fb390b04848846e837714ec774b7bfdDouglas Gregor Stmt *Pattern = 0; 20551eee0e753fb390b04848846e837714ec774b7bfdDouglas Gregor if (PatternDecl) 20566fb0aee4f9dc261bbec72e1283ad8dc0557a6d96Argyrios Kyrtzidis Pattern = PatternDecl->getBody(PatternDecl); 20571eee0e753fb390b04848846e837714ec774b7bfdDouglas Gregor 2058e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor if (!Pattern) { 2059e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor if (DefinitionRequired) { 2060e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor if (Function->getPrimaryTemplate()) 2061e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor Diag(PointOfInstantiation, 2062e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor diag::err_explicit_instantiation_undefined_func_template) 2063e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor << Function->getPrimaryTemplate(); 2064e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor else 2065e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor Diag(PointOfInstantiation, 2066e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor diag::err_explicit_instantiation_undefined_member) 2067e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor << 1 << Function->getDeclName() << Function->getDeclContext(); 2068e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor 2069e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor if (PatternDecl) 2070e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor Diag(PatternDecl->getLocation(), 2071e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor diag::note_explicit_instantiation_here); 2072cfe833be882f600206f1587f157b025b368497d7Douglas Gregor Function->setInvalidDecl(); 207358e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth } else if (Function->getTemplateSpecializationKind() 207458e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth == TSK_ExplicitInstantiationDefinition) { 207562c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth PendingInstantiations.push_back( 207658e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth std::make_pair(Function, PointOfInstantiation)); 2077e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor } 207858e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth 20791eee0e753fb390b04848846e837714ec774b7bfdDouglas Gregor return; 2080e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor } 20811eee0e753fb390b04848846e837714ec774b7bfdDouglas Gregor 2082d0e3daf2b980b505e535d35b432c938c6d0208efDouglas Gregor // C++0x [temp.explicit]p9: 2083d0e3daf2b980b505e535d35b432c938c6d0208efDouglas Gregor // Except for inline functions, other explicit instantiation declarations 20841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // have the effect of suppressing the implicit instantiation of the entity 2085d0e3daf2b980b505e535d35b432c938c6d0208efDouglas Gregor // to which they refer. 20861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (Function->getTemplateSpecializationKind() 2087d0e3daf2b980b505e535d35b432c938c6d0208efDouglas Gregor == TSK_ExplicitInstantiationDeclaration && 20887ced9c8529b734e313f62a3b81189d6f402f6713Douglas Gregor !PatternDecl->isInlined()) 2089d0e3daf2b980b505e535d35b432c938c6d0208efDouglas Gregor return; 20901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2091f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregor InstantiatingTemplate Inst(*this, PointOfInstantiation, Function); 2092f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregor if (Inst) 2093e7089b0c6ffe8a8854150b60df00fb544099f77dDouglas Gregor return; 2094e7089b0c6ffe8a8854150b60df00fb544099f77dDouglas Gregor 2095b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor // If we're performing recursive template instantiation, create our own 2096b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor // queue of pending implicit instantiations that we will instantiate later, 2097b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor // while we're still within our own instantiation context. 209862c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth std::deque<PendingImplicitInstantiation> SavedPendingInstantiations; 2099b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor if (Recursive) 210062c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth PendingInstantiations.swap(SavedPendingInstantiations); 21011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21029679cafc6368cceed1a5e69d3038d0316401b352Douglas Gregor EnterExpressionEvaluationContext EvalContext(*this, 2103f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::PotentiallyEvaluated); 2104d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall ActOnStartOfFunctionDef(0, Function); 2105e2c31ff0bc622e6fd7d47d7e08b53840f3be6c89Douglas Gregor 210654dabfca850ca9e60e9ffb60003529f868d4d127Douglas Gregor // Introduce a new scope where local variable instantiations will be 210760406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor // recorded, unless we're actually a member function within a local 210860406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor // class, in which case we need to merge our results with the parent 210960406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor // scope (of the enclosing function). 211060406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor bool MergeWithParentScope = false; 211160406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor if (CXXRecordDecl *Rec = dyn_cast<CXXRecordDecl>(Function->getDeclContext())) 211260406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor MergeWithParentScope = Rec->isLocalClass(); 211360406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor 211460406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor LocalInstantiationScope Scope(*this, MergeWithParentScope); 21151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 211654dabfca850ca9e60e9ffb60003529f868d4d127Douglas Gregor // Introduce the instantiated function parameters into the local 21178a6c0f1a48b8167ca1457c9f05288fa637033dc9Peter Collingbourne // instantiation scope, and set the parameter names to those used 21188a6c0f1a48b8167ca1457c9f05288fa637033dc9Peter Collingbourne // in the template. 21198a6c0f1a48b8167ca1457c9f05288fa637033dc9Peter Collingbourne for (unsigned I = 0, N = PatternDecl->getNumParams(); I != N; ++I) { 21208a6c0f1a48b8167ca1457c9f05288fa637033dc9Peter Collingbourne const ParmVarDecl *PatternParam = PatternDecl->getParamDecl(I); 21218a6c0f1a48b8167ca1457c9f05288fa637033dc9Peter Collingbourne ParmVarDecl *FunctionParam = Function->getParamDecl(I); 21228a6c0f1a48b8167ca1457c9f05288fa637033dc9Peter Collingbourne FunctionParam->setDeclName(PatternParam->getDeclName()); 21238a6c0f1a48b8167ca1457c9f05288fa637033dc9Peter Collingbourne Scope.InstantiatedLocal(PatternParam, FunctionParam); 21248a6c0f1a48b8167ca1457c9f05288fa637033dc9Peter Collingbourne } 212554dabfca850ca9e60e9ffb60003529f868d4d127Douglas Gregor 2126b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor // Enter the scope of this instantiation. We don't use 2127b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor // PushDeclContext because we don't have a scope. 2128b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor DeclContext *PreviousContext = CurContext; 2129b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor CurContext = Function; 2130b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor 21311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump MultiLevelTemplateArgumentList TemplateArgs = 2132e7089b0c6ffe8a8854150b60df00fb544099f77dDouglas Gregor getTemplateInstantiationArgs(Function, 0, false, PatternDecl); 2133090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson 2134090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson // If this is a constructor, instantiate the member initializers. 21351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const CXXConstructorDecl *Ctor = 2136090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson dyn_cast<CXXConstructorDecl>(PatternDecl)) { 2137090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson InstantiateMemInitializers(cast<CXXConstructorDecl>(Function), Ctor, 2138090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson TemplateArgs); 21391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 21401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 214154dabfca850ca9e60e9ffb60003529f868d4d127Douglas Gregor // Instantiate the function body. 214260d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult Body = SubstStmt(Pattern, TemplateArgs); 2143e2c31ff0bc622e6fd7d47d7e08b53840f3be6c89Douglas Gregor 214452604ab71a74b8ec481255dfeea7dc9dba63b1a5Douglas Gregor if (Body.isInvalid()) 214552604ab71a74b8ec481255dfeea7dc9dba63b1a5Douglas Gregor Function->setInvalidDecl(); 214652604ab71a74b8ec481255dfeea7dc9dba63b1a5Douglas Gregor 21479ae2f076ca5ab1feb3ba95629099ec2319833701John McCall ActOnFinishFunctionBody(Function, Body.get(), 2148e2c31ff0bc622e6fd7d47d7e08b53840f3be6c89Douglas Gregor /*IsInstantiation=*/true); 2149b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor 21500c01d18094100db92d38daa923c95661512db203John McCall PerformDependentDiagnostics(PatternDecl, TemplateArgs); 21510c01d18094100db92d38daa923c95661512db203John McCall 2152b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor CurContext = PreviousContext; 2153aba43bb13b3aa3e81990989375fba3a902bfe1c2Douglas Gregor 2154aba43bb13b3aa3e81990989375fba3a902bfe1c2Douglas Gregor DeclGroupRef DG(Function); 2155aba43bb13b3aa3e81990989375fba3a902bfe1c2Douglas Gregor Consumer.HandleTopLevelDecl(DG); 21561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 215760406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor // This class may have local implicit instantiations that need to be 215860406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor // instantiation within this scope. 215962c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth PerformPendingInstantiations(/*LocalOnly=*/true); 216060406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor Scope.Exit(); 216160406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor 2162b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor if (Recursive) { 2163b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor // Instantiate any pending implicit instantiations found during the 21641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // instantiation of this template. 216562c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth PerformPendingInstantiations(); 21661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2167b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor // Restore the set of pending implicit instantiations. 216862c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth PendingInstantiations.swap(SavedPendingInstantiations); 2169b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor } 2170a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor} 2171a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor 2172a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor/// \brief Instantiate the definition of the given variable from its 2173a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor/// template. 2174a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor/// 21757caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// \param PointOfInstantiation the point at which the instantiation was 21767caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// required. Note that this is not precisely a "point of instantiation" 21777caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// for the function, but it's close. 21787caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// 21797caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// \param Var the already-instantiated declaration of a static member 21807caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// variable of a class template specialization. 21817caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// 21827caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// \param Recursive if true, recursively instantiates any functions that 21837caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// are required by this instantiation. 2184e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor/// 2185e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor/// \param DefinitionRequired if true, then we are performing an explicit 2186e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor/// instantiation where an out-of-line definition of the member variable 2187e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor/// is required. Complain if there is no such definition. 21887caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregorvoid Sema::InstantiateStaticDataMemberDefinition( 21897caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor SourceLocation PointOfInstantiation, 21907caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor VarDecl *Var, 2191e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor bool Recursive, 2192e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor bool DefinitionRequired) { 21937caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Var->isInvalidDecl()) 21947caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return; 21951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21967caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // Find the out-of-line definition of this static data member. 21977caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor VarDecl *Def = Var->getInstantiatedFromStaticDataMember(); 21987caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Def && "This data member was not instantiated from a template?"); 21990d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor assert(Def->isStaticDataMember() && "Not a static data member?"); 22000d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor Def = Def->getOutOfLineDefinition(); 22011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22020d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor if (!Def) { 22037caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // We did not find an out-of-line definition of this static data member, 22047caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // so we won't perform any instantiation. Rather, we rely on the user to 22051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // instantiate this definition (or provide a specialization for it) in 22061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // another translation unit. 2207e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor if (DefinitionRequired) { 22080d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor Def = Var->getInstantiatedFromStaticDataMember(); 2209e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor Diag(PointOfInstantiation, 2210e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor diag::err_explicit_instantiation_undefined_member) 2211e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor << 2 << Var->getDeclName() << Var->getDeclContext(); 2212e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor Diag(Def->getLocation(), diag::note_explicit_instantiation_here); 221358e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth } else if (Var->getTemplateSpecializationKind() 221458e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth == TSK_ExplicitInstantiationDefinition) { 221562c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth PendingInstantiations.push_back( 221658e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth std::make_pair(Var, PointOfInstantiation)); 221758e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth } 221858e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth 22197caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return; 22207caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor } 22217caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 2222251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor // Never instantiate an explicit specialization. 22231028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor if (Var->getTemplateSpecializationKind() == TSK_ExplicitSpecialization) 2224251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return; 2225251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor 2226251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor // C++0x [temp.explicit]p9: 2227251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor // Except for inline functions, other explicit instantiation declarations 2228251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor // have the effect of suppressing the implicit instantiation of the entity 2229251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor // to which they refer. 22301028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor if (Var->getTemplateSpecializationKind() 2231251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor == TSK_ExplicitInstantiationDeclaration) 2232251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return; 22331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22347caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor InstantiatingTemplate Inst(*this, PointOfInstantiation, Var); 22357caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Inst) 22367caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return; 22371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22387caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // If we're performing recursive template instantiation, create our own 22397caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // queue of pending implicit instantiations that we will instantiate later, 22407caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // while we're still within our own instantiation context. 224162c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth std::deque<PendingImplicitInstantiation> SavedPendingInstantiations; 22427caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Recursive) 224362c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth PendingInstantiations.swap(SavedPendingInstantiations); 22441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22457caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // Enter the scope of this instantiation. We don't use 22467caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // PushDeclContext because we don't have a scope. 22477caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor DeclContext *PreviousContext = CurContext; 22487caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor CurContext = Var->getDeclContext(); 22491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22501028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor VarDecl *OldVar = Var; 2251ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCall Var = cast_or_null<VarDecl>(SubstDecl(Def, Var->getDeclContext(), 22527caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor getTemplateInstantiationArgs(Var))); 22537caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor CurContext = PreviousContext; 22547caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 22557caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Var) { 2256583f33b8a9227bace1a77a15404b4c64dc619d69Douglas Gregor MemberSpecializationInfo *MSInfo = OldVar->getMemberSpecializationInfo(); 2257583f33b8a9227bace1a77a15404b4c64dc619d69Douglas Gregor assert(MSInfo && "Missing member specialization information?"); 2258583f33b8a9227bace1a77a15404b4c64dc619d69Douglas Gregor Var->setTemplateSpecializationKind(MSInfo->getTemplateSpecializationKind(), 2259583f33b8a9227bace1a77a15404b4c64dc619d69Douglas Gregor MSInfo->getPointOfInstantiation()); 22607caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor DeclGroupRef DG(Var); 22617caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor Consumer.HandleTopLevelDecl(DG); 22627caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor } 22631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22647caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Recursive) { 22657caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // Instantiate any pending implicit instantiations found during the 22661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // instantiation of this template. 226762c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth PerformPendingInstantiations(); 22681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22697caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // Restore the set of pending implicit instantiations. 227062c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth PendingInstantiations.swap(SavedPendingInstantiations); 22711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 2272a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor} 2273815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 2274090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlssonvoid 2275090253155017b7eec031bbd7bf07824a448e1d7aAnders CarlssonSema::InstantiateMemInitializers(CXXConstructorDecl *New, 2276090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson const CXXConstructorDecl *Tmpl, 2277090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson const MultiLevelTemplateArgumentList &TemplateArgs) { 22781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2279090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson llvm::SmallVector<MemInitTy*, 4> NewInits; 22809db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor bool AnyErrors = false; 22819db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor 2282090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson // Instantiate all the initializers. 2283090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson for (CXXConstructorDecl::init_const_iterator Inits = Tmpl->init_begin(), 228472f6d678c8de9f3a770e8ae5fc4979abf3940668Douglas Gregor InitsEnd = Tmpl->init_end(); 228572f6d678c8de9f3a770e8ae5fc4979abf3940668Douglas Gregor Inits != InitsEnd; ++Inits) { 2286090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson CXXBaseOrMemberInitializer *Init = *Inits; 2287090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson 2288030ef472f31709e175895853fcb43d61d09022c7Chandler Carruth // Only instantiate written initializers, let Sema re-construct implicit 2289030ef472f31709e175895853fcb43d61d09022c7Chandler Carruth // ones. 2290030ef472f31709e175895853fcb43d61d09022c7Chandler Carruth if (!Init->isWritten()) 2291030ef472f31709e175895853fcb43d61d09022c7Chandler Carruth continue; 2292030ef472f31709e175895853fcb43d61d09022c7Chandler Carruth 22936b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor SourceLocation LParenLoc, RParenLoc; 2294ca0408fb49c1370430672acf2d770b7151cf71deJohn McCall ASTOwningVector<Expr*> NewArgs(*this); 22951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22966b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor // Instantiate the initializer. 22976b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (InstantiateInitializer(*this, Init->getInit(), TemplateArgs, 2298a1a04786cea2445759026edacd096abd1fbf4a05Douglas Gregor LParenLoc, NewArgs, RParenLoc)) { 22996b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor AnyErrors = true; 23006b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor continue; 2301090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson } 23029db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor 2303090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson MemInitResult NewInit; 2304090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson if (Init->isBaseInitializer()) { 2305a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *BaseTInfo = SubstType(Init->getBaseClassInfo(), 2306802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor TemplateArgs, 2307802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor Init->getSourceLocation(), 2308802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor New->getDeclName()); 2309a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall if (!BaseTInfo) { 23109db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor AnyErrors = true; 2311802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor New->setInvalidDecl(); 2312802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor continue; 2313802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor } 2314802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor 2315a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall NewInit = BuildBaseInitializer(BaseTInfo->getType(), BaseTInfo, 23161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump (Expr **)NewArgs.data(), 2317090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson NewArgs.size(), 2318802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor Init->getLParenLoc(), 2319090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson Init->getRParenLoc(), 2320090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson New->getParent()); 2321090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson } else if (Init->isMemberInitializer()) { 23229988d5d9ad0850e455bd413b03ba7dc8ecee5999Anders Carlsson FieldDecl *Member; 23231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23249988d5d9ad0850e455bd413b03ba7dc8ecee5999Anders Carlsson // Is this an anonymous union? 23259988d5d9ad0850e455bd413b03ba7dc8ecee5999Anders Carlsson if (FieldDecl *UnionInit = Init->getAnonUnionMember()) 23267c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor Member = cast<FieldDecl>(FindInstantiatedDecl(Init->getMemberLocation(), 23277c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor UnionInit, TemplateArgs)); 23289988d5d9ad0850e455bd413b03ba7dc8ecee5999Anders Carlsson else 23297c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor Member = cast<FieldDecl>(FindInstantiatedDecl(Init->getMemberLocation(), 23307c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor Init->getMember(), 2331e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor TemplateArgs)); 23321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NewInit = BuildMemberInitializer(Member, (Expr **)NewArgs.data(), 2334090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson NewArgs.size(), 2335090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson Init->getSourceLocation(), 2336802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor Init->getLParenLoc(), 2337090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson Init->getRParenLoc()); 2338090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson } 2339090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson 23409db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor if (NewInit.isInvalid()) { 23419db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor AnyErrors = true; 2342090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson New->setInvalidDecl(); 23439db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor } else { 2344090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson // FIXME: It would be nice if ASTOwningVector had a release function. 2345090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson NewArgs.take(); 23461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2347090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson NewInits.push_back((MemInitTy *)NewInit.get()); 2348090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson } 2349090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson } 23501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2351090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson // Assign all the initializers to the new constructor. 2352d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall ActOnMemInitializers(New, 2353090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson /*FIXME: ColonLoc */ 2354090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson SourceLocation(), 23559db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor NewInits.data(), NewInits.size(), 23569db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor AnyErrors); 2357090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson} 2358090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson 235952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall// TODO: this could be templated if the various decl types used the 236052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall// same method name. 236152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCallstatic bool isInstantiationOf(ClassTemplateDecl *Pattern, 236252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall ClassTemplateDecl *Instance) { 236352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Pattern = Pattern->getCanonicalDecl(); 236452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 236552a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall do { 236652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getCanonicalDecl(); 236752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (Pattern == Instance) return true; 236852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getInstantiatedFromMemberTemplate(); 236952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall } while (Instance); 237052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 237152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return false; 237252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall} 237352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 23740d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregorstatic bool isInstantiationOf(FunctionTemplateDecl *Pattern, 23750d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor FunctionTemplateDecl *Instance) { 23760d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor Pattern = Pattern->getCanonicalDecl(); 23770d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor 23780d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor do { 23790d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor Instance = Instance->getCanonicalDecl(); 23800d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor if (Pattern == Instance) return true; 23810d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor Instance = Instance->getInstantiatedFromMemberTemplate(); 23820d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor } while (Instance); 23830d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor 23840d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor return false; 23850d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor} 23860d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor 2387ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregorstatic bool 2388ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas GregorisInstantiationOf(ClassTemplatePartialSpecializationDecl *Pattern, 2389ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplatePartialSpecializationDecl *Instance) { 2390ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor Pattern 2391ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor = cast<ClassTemplatePartialSpecializationDecl>(Pattern->getCanonicalDecl()); 2392ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor do { 2393ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor Instance = cast<ClassTemplatePartialSpecializationDecl>( 2394ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor Instance->getCanonicalDecl()); 2395ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor if (Pattern == Instance) 2396ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return true; 2397ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor Instance = Instance->getInstantiatedFromMember(); 2398ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor } while (Instance); 2399ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 2400ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return false; 2401ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor} 2402ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 240352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCallstatic bool isInstantiationOf(CXXRecordDecl *Pattern, 240452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall CXXRecordDecl *Instance) { 240552a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Pattern = Pattern->getCanonicalDecl(); 240652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 240752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall do { 240852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getCanonicalDecl(); 240952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (Pattern == Instance) return true; 241052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getInstantiatedFromMemberClass(); 241152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall } while (Instance); 241252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 241352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return false; 241452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall} 241552a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 241652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCallstatic bool isInstantiationOf(FunctionDecl *Pattern, 241752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall FunctionDecl *Instance) { 241852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Pattern = Pattern->getCanonicalDecl(); 241952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 242052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall do { 242152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getCanonicalDecl(); 242252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (Pattern == Instance) return true; 242352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getInstantiatedFromMemberFunction(); 242452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall } while (Instance); 242552a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 242652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return false; 242752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall} 242852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 242952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCallstatic bool isInstantiationOf(EnumDecl *Pattern, 243052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall EnumDecl *Instance) { 243152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Pattern = Pattern->getCanonicalDecl(); 243252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 243352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall do { 243452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getCanonicalDecl(); 243552a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (Pattern == Instance) return true; 243652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getInstantiatedFromMemberEnum(); 243752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall } while (Instance); 243852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 243952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return false; 244052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall} 244152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 2442ed97649e9574b9d854fa4d6109c9333ae0993554John McCallstatic bool isInstantiationOf(UsingShadowDecl *Pattern, 2443ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingShadowDecl *Instance, 2444ed97649e9574b9d854fa4d6109c9333ae0993554John McCall ASTContext &C) { 2445ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return C.getInstantiatedFromUsingShadowDecl(Instance) == Pattern; 2446ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 2447ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2448ed97649e9574b9d854fa4d6109c9333ae0993554John McCallstatic bool isInstantiationOf(UsingDecl *Pattern, 2449ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingDecl *Instance, 2450ed97649e9574b9d854fa4d6109c9333ae0993554John McCall ASTContext &C) { 2451ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return C.getInstantiatedFromUsingDecl(Instance) == Pattern; 2452ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 2453ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 24547ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallstatic bool isInstantiationOf(UnresolvedUsingValueDecl *Pattern, 24557ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall UsingDecl *Instance, 24567ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall ASTContext &C) { 2457ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return C.getInstantiatedFromUsingDecl(Instance) == Pattern; 24587ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall} 24597ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall 24607ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallstatic bool isInstantiationOf(UnresolvedUsingTypenameDecl *Pattern, 24610d8df780aef1acda5962347a32591efc629b6748Anders Carlsson UsingDecl *Instance, 24620d8df780aef1acda5962347a32591efc629b6748Anders Carlsson ASTContext &C) { 2463ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return C.getInstantiatedFromUsingDecl(Instance) == Pattern; 24640d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 24650d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 246652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCallstatic bool isInstantiationOfStaticDataMember(VarDecl *Pattern, 246752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall VarDecl *Instance) { 246852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall assert(Instance->isStaticDataMember()); 246952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 247052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Pattern = Pattern->getCanonicalDecl(); 247152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 247252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall do { 247352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getCanonicalDecl(); 247452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (Pattern == Instance) return true; 247552a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getInstantiatedFromStaticDataMember(); 247652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall } while (Instance); 247752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 247852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return false; 247952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall} 248052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 2481ed97649e9574b9d854fa4d6109c9333ae0993554John McCall// Other is the prospective instantiation 2482ed97649e9574b9d854fa4d6109c9333ae0993554John McCall// D is the prospective pattern 2483815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregorstatic bool isInstantiationOf(ASTContext &Ctx, NamedDecl *D, Decl *Other) { 24840d8df780aef1acda5962347a32591efc629b6748Anders Carlsson if (D->getKind() != Other->getKind()) { 24857ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall if (UnresolvedUsingTypenameDecl *UUD 24867ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall = dyn_cast<UnresolvedUsingTypenameDecl>(D)) { 24877ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall if (UsingDecl *UD = dyn_cast<UsingDecl>(Other)) { 24887ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall return isInstantiationOf(UUD, UD, Ctx); 24897ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall } 24907ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall } 24917ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall 24927ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall if (UnresolvedUsingValueDecl *UUD 24937ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall = dyn_cast<UnresolvedUsingValueDecl>(D)) { 24940d8df780aef1acda5962347a32591efc629b6748Anders Carlsson if (UsingDecl *UD = dyn_cast<UsingDecl>(Other)) { 24950d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return isInstantiationOf(UUD, UD, Ctx); 24960d8df780aef1acda5962347a32591efc629b6748Anders Carlsson } 24970d8df780aef1acda5962347a32591efc629b6748Anders Carlsson } 2498815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 24990d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return false; 25000d8df780aef1acda5962347a32591efc629b6748Anders Carlsson } 25011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 250252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (CXXRecordDecl *Record = dyn_cast<CXXRecordDecl>(Other)) 250352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return isInstantiationOf(cast<CXXRecordDecl>(D), Record); 25041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 250552a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (FunctionDecl *Function = dyn_cast<FunctionDecl>(Other)) 250652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return isInstantiationOf(cast<FunctionDecl>(D), Function); 2507815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 250852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (EnumDecl *Enum = dyn_cast<EnumDecl>(Other)) 250952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return isInstantiationOf(cast<EnumDecl>(D), Enum); 2510815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 25117caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (VarDecl *Var = dyn_cast<VarDecl>(Other)) 251252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (Var->isStaticDataMember()) 251352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return isInstantiationOfStaticDataMember(cast<VarDecl>(D), Var); 251452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 251552a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (ClassTemplateDecl *Temp = dyn_cast<ClassTemplateDecl>(Other)) 251652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return isInstantiationOf(cast<ClassTemplateDecl>(D), Temp); 2517a5bf7f13d7772b164750997f95ab18487bbc4114Douglas Gregor 25180d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor if (FunctionTemplateDecl *Temp = dyn_cast<FunctionTemplateDecl>(Other)) 25190d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor return isInstantiationOf(cast<FunctionTemplateDecl>(D), Temp); 25200d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor 2521ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor if (ClassTemplatePartialSpecializationDecl *PartialSpec 2522ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor = dyn_cast<ClassTemplatePartialSpecializationDecl>(Other)) 2523ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return isInstantiationOf(cast<ClassTemplatePartialSpecializationDecl>(D), 2524ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor PartialSpec); 2525ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 2526d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson if (FieldDecl *Field = dyn_cast<FieldDecl>(Other)) { 2527d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson if (!Field->getDeclName()) { 2528d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson // This is an unnamed field. 25291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Ctx.getInstantiatedFromUnnamedFieldDecl(Field) == 2530d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson cast<FieldDecl>(D); 2531d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson } 2532d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson } 25331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2534ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (UsingDecl *Using = dyn_cast<UsingDecl>(Other)) 2535ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return isInstantiationOf(cast<UsingDecl>(D), Using, Ctx); 2536ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2537ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (UsingShadowDecl *Shadow = dyn_cast<UsingShadowDecl>(Other)) 2538ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return isInstantiationOf(cast<UsingShadowDecl>(D), Shadow, Ctx); 2539ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2540815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor return D->getDeclName() && isa<NamedDecl>(Other) && 2541815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor D->getDeclName() == cast<NamedDecl>(Other)->getDeclName(); 2542815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor} 2543815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 2544815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregortemplate<typename ForwardIterator> 25451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic NamedDecl *findInstantiationOf(ASTContext &Ctx, 2546815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor NamedDecl *D, 2547815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor ForwardIterator first, 2548815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor ForwardIterator last) { 2549815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor for (; first != last; ++first) 2550815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor if (isInstantiationOf(Ctx, D, *first)) 2551815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor return cast<NamedDecl>(*first); 2552815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 2553815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor return 0; 2554815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor} 2555815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 255602cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// \brief Finds the instantiation of the given declaration context 255702cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// within the current instantiation. 255802cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// 255902cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// \returns NULL if there was an error 25607c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas GregorDeclContext *Sema::FindInstantiatedContext(SourceLocation Loc, DeclContext* DC, 2561e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor const MultiLevelTemplateArgumentList &TemplateArgs) { 256202cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall if (NamedDecl *D = dyn_cast<NamedDecl>(DC)) { 25637c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor Decl* ID = FindInstantiatedDecl(Loc, D, TemplateArgs); 256402cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall return cast_or_null<DeclContext>(ID); 256502cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall } else return DC; 256602cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall} 256702cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall 2568ed961e7fffc268eeace169869f5a059bcbd5fcbdDouglas Gregor/// \brief Find the instantiation of the given declaration within the 2569ed961e7fffc268eeace169869f5a059bcbd5fcbdDouglas Gregor/// current instantiation. 2570815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// 2571815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// This routine is intended to be used when \p D is a declaration 2572815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// referenced from within a template, that needs to mapped into the 2573815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// corresponding declaration within an instantiation. For example, 2574815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// given: 2575815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// 2576815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// \code 2577815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// template<typename T> 2578815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// struct X { 2579815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// enum Kind { 2580815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// KnownValue = sizeof(T) 2581815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// }; 2582815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// 2583815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// bool getKind() const { return KnownValue; } 2584815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// }; 2585815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// 2586815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// template struct X<int>; 2587815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// \endcode 2588815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// 2589815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// In the instantiation of X<int>::getKind(), we need to map the 2590815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// EnumConstantDecl for KnownValue (which refers to 2591815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// X<T>::<Kind>::KnownValue) to its instantiation 2592ed961e7fffc268eeace169869f5a059bcbd5fcbdDouglas Gregor/// (X<int>::<Kind>::KnownValue). InstantiateCurrentDeclRef() performs 2593ed961e7fffc268eeace169869f5a059bcbd5fcbdDouglas Gregor/// this mapping from within the instantiation of X<int>. 25947c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas GregorNamedDecl *Sema::FindInstantiatedDecl(SourceLocation Loc, NamedDecl *D, 2595e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor const MultiLevelTemplateArgumentList &TemplateArgs) { 2596815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor DeclContext *ParentDC = D->getDeclContext(); 2597550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor if (isa<ParmVarDecl>(D) || isa<NonTypeTemplateParmDecl>(D) || 25986d3e627dacdb2f749195635ab587fd067ef813e1Douglas Gregor isa<TemplateTypeParmDecl>(D) || isa<TemplateTemplateParmDecl>(D) || 2599766724566289e6951a90b6483f0d3e22fe4b9b52John McCall (ParentDC->isFunctionOrMethod() && ParentDC->isDependentContext())) { 26002bba76b0ec4c2f2134eebb1a2bbfe102f36c2f6eDouglas Gregor // D is a local of some kind. Look into the map of local 26012bba76b0ec4c2f2134eebb1a2bbfe102f36c2f6eDouglas Gregor // declarations to their instantiations. 26028dd0c5626455cdf94280783e85e413eed6cbf3d9Fariborz Jahanian return cast<NamedDecl>(CurrentInstantiationScope->getInstantiationOf(D)); 26032bba76b0ec4c2f2134eebb1a2bbfe102f36c2f6eDouglas Gregor } 2604815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 2605e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor if (CXXRecordDecl *Record = dyn_cast<CXXRecordDecl>(D)) { 2606e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor if (!Record->isDependentContext()) 2607e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor return D; 2608e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor 26098b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // If the RecordDecl is actually the injected-class-name or a 26108b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // "templated" declaration for a class template, class template 26118b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // partial specialization, or a member class of a class template, 26128b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // substitute into the injected-class-name of the class template 26138b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // or partial specialization to find the new DeclContext. 2614e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor QualType T; 2615e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor ClassTemplateDecl *ClassTemplate = Record->getDescribedClassTemplate(); 2616e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor 2617e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor if (ClassTemplate) { 261824bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor T = ClassTemplate->getInjectedClassNameSpecialization(); 2619e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor } else if (ClassTemplatePartialSpecializationDecl *PartialSpec 2620e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor = dyn_cast<ClassTemplatePartialSpecializationDecl>(Record)) { 2621e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor ClassTemplate = PartialSpec->getSpecializedTemplate(); 26223cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 26233cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall // If we call SubstType with an InjectedClassNameType here we 26243cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall // can end up in an infinite loop. 26253cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall T = Context.getTypeDeclType(Record); 26263cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(T) && 26273cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall "type of partial specialization is not an InjectedClassNameType"); 262831f17ecbef57b5679c017c375db330546b7b5145John McCall T = cast<InjectedClassNameType>(T)->getInjectedSpecializationType(); 26293cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 2630e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor 2631e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor if (!T.isNull()) { 26328b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // Substitute into the injected-class-name to get the type 26338b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // corresponding to the instantiation we want, which may also be 26348b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // the current instantiation (if we're in a template 26358b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // definition). This substitution should never fail, since we 26368b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // know we can instantiate the injected-class-name or we 26378b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // wouldn't have gotten to the injected-class-name! 26388b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor 26398b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // FIXME: Can we use the CurrentInstantiationScope to avoid this 26408b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // extra instantiation in the common case? 2641e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor T = SubstType(T, TemplateArgs, SourceLocation(), DeclarationName()); 2642e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor assert(!T.isNull() && "Instantiation of injected-class-name cannot fail."); 2643e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor 2644e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor if (!T->isDependentType()) { 2645e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor assert(T->isRecordType() && "Instantiation must produce a record type"); 2646e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor return T->getAs<RecordType>()->getDecl(); 2647e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor } 2648e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor 26498b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // We are performing "partial" template instantiation to create 26508b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // the member declarations for the members of a class template 26518b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // specialization. Therefore, D is actually referring to something 26528b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // in the current instantiation. Look through the current 26538b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // context, which contains actual instantiations, to find the 26548b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // instantiation of the "current instantiation" that D refers 26558b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // to. 26568b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor bool SawNonDependentContext = false; 26571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (DeclContext *DC = CurContext; !DC->isFileContext(); 265852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall DC = DC->getParent()) { 26591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ClassTemplateSpecializationDecl *Spec 26608b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor = dyn_cast<ClassTemplateSpecializationDecl>(DC)) 2661e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor if (isInstantiationOf(ClassTemplate, 2662e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor Spec->getSpecializedTemplate())) 266352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return Spec; 26648b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor 26658b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor if (!DC->isDependentContext()) 26668b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor SawNonDependentContext = true; 266752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall } 266852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 26698b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // We're performing "instantiation" of a member of the current 26708b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // instantiation while we are type-checking the 26718b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // definition. Compute the declaration context and return that. 26728b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor assert(!SawNonDependentContext && 26738b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor "No dependent context while instantiating record"); 26748b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor DeclContext *DC = computeDeclContext(T); 26758b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor assert(DC && 267652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall "Unable to find declaration for the current instantiation"); 26778b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor return cast<CXXRecordDecl>(DC); 267852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall } 26798b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor 2680e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor // Fall through to deal with other dependent record types (e.g., 2681e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor // anonymous unions in class templates). 2682e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor } 268352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 2684e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor if (!ParentDC->isDependentContext()) 2685e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor return D; 2686e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor 26877c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor ParentDC = FindInstantiatedContext(Loc, ParentDC, TemplateArgs); 26881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!ParentDC) 268944c73848d5d5bd34c05582dc8398a20bea7cd971Douglas Gregor return 0; 26901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2691815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor if (ParentDC != D->getDeclContext()) { 2692815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // We performed some kind of instantiation in the parent context, 2693815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // so now we need to look into the instantiated parent context to 2694815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // find the instantiation of the declaration D. 26957c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor 26963cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall // If our context used to be dependent, we may need to instantiate 26973cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall // it before performing lookup into that context. 26983cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (CXXRecordDecl *Spec = dyn_cast<CXXRecordDecl>(ParentDC)) { 26997c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor if (!Spec->isDependentContext()) { 27007c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor QualType T = Context.getTypeDeclType(Spec); 27013cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const RecordType *Tag = T->getAs<RecordType>(); 27023cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(Tag && "type of non-dependent record is not a RecordType"); 27033cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (!Tag->isBeingDefined() && 27043cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall RequireCompleteType(Loc, T, diag::err_incomplete_type)) 27053cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return 0; 27067c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor } 27077c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor } 27087c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor 2709815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor NamedDecl *Result = 0; 2710815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor if (D->getDeclName()) { 271117945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis DeclContext::lookup_result Found = ParentDC->lookup(D->getDeclName()); 2712815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor Result = findInstantiationOf(Context, D, Found.first, Found.second); 2713815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor } else { 2714815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // Since we don't have a name for the entity we're looking for, 2715815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // our only option is to walk through all of the declarations to 2716815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // find that name. This will occur in a few cases: 2717815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // 2718815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // - anonymous struct/union within a template 2719815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // - unnamed class/struct/union/enum within a template 2720815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // 2721815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // FIXME: Find a better way to find these instantiations! 27221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Result = findInstantiationOf(Context, D, 272317945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis ParentDC->decls_begin(), 272417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis ParentDC->decls_end()); 2725815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor } 27261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27279f54ad4381370c6b771424b53d219e661d6d6706John McCall // UsingShadowDecls can instantiate to nothing because of using hiding. 272800225547b51b42f7400eed36475b6672418a1151Douglas Gregor assert((Result || isa<UsingShadowDecl>(D) || D->isInvalidDecl() || 272900225547b51b42f7400eed36475b6672418a1151Douglas Gregor cast<Decl>(ParentDC)->isInvalidDecl()) 27309f54ad4381370c6b771424b53d219e661d6d6706John McCall && "Unable to find instantiation of declaration!"); 27319f54ad4381370c6b771424b53d219e661d6d6706John McCall 2732815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor D = Result; 2733815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor } 2734815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 2735815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor return D; 2736815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor} 2737d7f37bf8b9a211455c5037df7b7e88e5a9510119Douglas Gregor 27381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// \brief Performs template instantiation for all implicit template 2739d7f37bf8b9a211455c5037df7b7e88e5a9510119Douglas Gregor/// instantiations we have seen until this point. 274062c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruthvoid Sema::PerformPendingInstantiations(bool LocalOnly) { 274160406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor while (!PendingLocalImplicitInstantiations.empty() || 274262c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth (!LocalOnly && !PendingInstantiations.empty())) { 274360406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor PendingImplicitInstantiation Inst; 274460406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor 274560406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor if (PendingLocalImplicitInstantiations.empty()) { 274662c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth Inst = PendingInstantiations.front(); 274762c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth PendingInstantiations.pop_front(); 274860406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor } else { 274960406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor Inst = PendingLocalImplicitInstantiations.front(); 275060406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor PendingLocalImplicitInstantiations.pop_front(); 275160406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor } 27521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27537caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // Instantiate function definitions 27547caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (FunctionDecl *Function = dyn_cast<FunctionDecl>(Inst.first)) { 2755f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall PrettyDeclStackTraceEntry CrashInfo(*this, Function, SourceLocation(), 2756f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall "instantiating function definition"); 275758e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth bool DefinitionRequired = Function->getTemplateSpecializationKind() == 275858e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth TSK_ExplicitInstantiationDefinition; 275958e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth InstantiateFunctionDefinition(/*FIXME:*/Inst.second, Function, true, 276058e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth DefinitionRequired); 27617caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor continue; 27627caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor } 27631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27647caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // Instantiate static data member definitions. 27657caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor VarDecl *Var = cast<VarDecl>(Inst.first); 27667caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Var->isStaticDataMember() && "Not a static data member?"); 2767c17fb7bd9a06b027c792c7dfad7e9fa430277affAnders Carlsson 2768291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth // Don't try to instantiate declarations if the most recent redeclaration 2769291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth // is invalid. 2770291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth if (Var->getMostRecentDeclaration()->isInvalidDecl()) 2771291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth continue; 2772291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth 2773291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth // Check if the most recent declaration has changed the specialization kind 2774291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth // and removed the need for implicit instantiation. 2775291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth switch (Var->getMostRecentDeclaration()->getTemplateSpecializationKind()) { 2776291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth case TSK_Undeclared: 2777291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth assert(false && "Cannot instantitiate an undeclared specialization."); 2778291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth case TSK_ExplicitInstantiationDeclaration: 2779291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth case TSK_ExplicitSpecialization: 278058e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth continue; // No longer need to instantiate this type. 278158e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth case TSK_ExplicitInstantiationDefinition: 278258e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth // We only need an instantiation if the pending instantiation *is* the 278358e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth // explicit instantiation. 278458e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth if (Var != Var->getMostRecentDeclaration()) continue; 2785291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth case TSK_ImplicitInstantiation: 2786291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth break; 2787291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth } 2788291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth 2789f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall PrettyDeclStackTraceEntry CrashInfo(*this, Var, Var->getLocation(), 2790f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall "instantiating static data member " 2791f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall "definition"); 27921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 279358e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth bool DefinitionRequired = Var->getTemplateSpecializationKind() == 279458e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth TSK_ExplicitInstantiationDefinition; 279558e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth InstantiateStaticDataMemberDefinition(/*FIXME:*/Inst.second, Var, true, 279658e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth DefinitionRequired); 2797d7f37bf8b9a211455c5037df7b7e88e5a9510119Douglas Gregor } 2798d7f37bf8b9a211455c5037df7b7e88e5a9510119Douglas Gregor} 27990c01d18094100db92d38daa923c95661512db203John McCall 28000c01d18094100db92d38daa923c95661512db203John McCallvoid Sema::PerformDependentDiagnostics(const DeclContext *Pattern, 28010c01d18094100db92d38daa923c95661512db203John McCall const MultiLevelTemplateArgumentList &TemplateArgs) { 28020c01d18094100db92d38daa923c95661512db203John McCall for (DeclContext::ddiag_iterator I = Pattern->ddiag_begin(), 28030c01d18094100db92d38daa923c95661512db203John McCall E = Pattern->ddiag_end(); I != E; ++I) { 28040c01d18094100db92d38daa923c95661512db203John McCall DependentDiagnostic *DD = *I; 28050c01d18094100db92d38daa923c95661512db203John McCall 28060c01d18094100db92d38daa923c95661512db203John McCall switch (DD->getKind()) { 28070c01d18094100db92d38daa923c95661512db203John McCall case DependentDiagnostic::Access: 28080c01d18094100db92d38daa923c95661512db203John McCall HandleDependentAccessCheck(*DD, TemplateArgs); 28090c01d18094100db92d38daa923c95661512db203John McCall break; 28100c01d18094100db92d38daa923c95661512db203John McCall } 28110c01d18094100db92d38daa923c95661512db203John McCall } 28120c01d18094100db92d38daa923c95661512db203John McCall} 2813f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall 2814