SemaTemplateInstantiateDecl.cpp revision 7a126a474fdde06382b315b4e3d8ef0a21d4dc31
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, 2546eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor llvm::SmallVectorImpl<SourceLocation> &FakeCommaLocs, 255ca0408fb49c1370430672acf2d770b7151cf71deJohn McCall ASTOwningVector<Expr*> &InitArgs) { 2566eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor for (unsigned I = 0; I != NumArgs; ++I) { 2576eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor // When we hit the first defaulted argument, break out of the loop: 2586eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor // we don't pass those default arguments on. 2596eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor if (Args[I]->isDefaultArgument()) 2606eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor break; 2616eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor 26260d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Arg = SemaRef.SubstExpr(Args[I], TemplateArgs); 2636eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor if (Arg.isInvalid()) 2646eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor return true; 2656eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor 2666eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor Expr *ArgExpr = (Expr *)Arg.get(); 2676eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor InitArgs.push_back(Arg.release()); 2686eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor 2696eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor // FIXME: We're faking all of the comma locations. Do we need them? 2706eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor FakeCommaLocs.push_back( 2716eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor SemaRef.PP.getLocForEndOfToken(ArgExpr->getLocEnd())); 2726eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor } 2736eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor 2746eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor return false; 2756eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor} 2766eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor 2776b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// \brief Instantiate an initializer, breaking it into separate 2786b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// initialization arguments. 2796b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// 2806b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// \param S The semantic analysis object. 2816b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// 2826b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// \param Init The initializer to instantiate. 2836b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// 2846b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// \param TemplateArgs Template arguments to be substituted into the 2856b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// initializer. 2866b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// 2876b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// \param NewArgs Will be filled in with the instantiation arguments. 2886b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// 2896b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// \returns true if an error occurred, false otherwise 2906b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregorstatic bool InstantiateInitializer(Sema &S, Expr *Init, 2916b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor const MultiLevelTemplateArgumentList &TemplateArgs, 2926b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor SourceLocation &LParenLoc, 2936b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor llvm::SmallVector<SourceLocation, 4> &CommaLocs, 294ca0408fb49c1370430672acf2d770b7151cf71deJohn McCall ASTOwningVector<Expr*> &NewArgs, 2956b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor SourceLocation &RParenLoc) { 2966b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor NewArgs.clear(); 2976b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor LParenLoc = SourceLocation(); 2986b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor RParenLoc = SourceLocation(); 2996b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 3006b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (!Init) 3016b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor return false; 3026b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 3036b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (CXXExprWithTemporaries *ExprTemp = dyn_cast<CXXExprWithTemporaries>(Init)) 3046b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor Init = ExprTemp->getSubExpr(); 3056b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 3066b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor while (CXXBindTemporaryExpr *Binder = dyn_cast<CXXBindTemporaryExpr>(Init)) 3076b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor Init = Binder->getSubExpr(); 3086b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 3096b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(Init)) 3106b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor Init = ICE->getSubExprAsWritten(); 3116b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 3126b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (ParenListExpr *ParenList = dyn_cast<ParenListExpr>(Init)) { 3136b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor LParenLoc = ParenList->getLParenLoc(); 3146b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor RParenLoc = ParenList->getRParenLoc(); 3156b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor return InstantiateInitializationArguments(S, ParenList->getExprs(), 3166b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor ParenList->getNumExprs(), 3176b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor TemplateArgs, CommaLocs, 3186b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor NewArgs); 3196b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor } 3206b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 3216b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (CXXConstructExpr *Construct = dyn_cast<CXXConstructExpr>(Init)) { 32228329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor if (!isa<CXXTemporaryObjectExpr>(Construct)) { 32328329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor if (InstantiateInitializationArguments(S, 32428329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor Construct->getArgs(), 32528329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor Construct->getNumArgs(), 32628329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor TemplateArgs, 32728329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor CommaLocs, NewArgs)) 32828329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor return true; 32928329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor 33028329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor // FIXME: Fake locations! 33128329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor LParenLoc = S.PP.getLocForEndOfToken(Init->getLocStart()); 33228329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor RParenLoc = CommaLocs.empty()? LParenLoc : CommaLocs.back(); 33328329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor return false; 33428329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor } 3356b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor } 3366b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 33760d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Result = S.SubstExpr(Init, TemplateArgs); 3386b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (Result.isInvalid()) 3396b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor return true; 3406b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 3416b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor NewArgs.push_back(Result.takeAs<Expr>()); 3426b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor return false; 3436b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor} 3446b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 3453d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas GregorDecl *TemplateDeclInstantiator::VisitVarDecl(VarDecl *D) { 3469901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor // If this is the variable for an anonymous struct or union, 3479901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor // instantiate the anonymous struct/union type first. 3489901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor if (const RecordType *RecordTy = D->getType()->getAs<RecordType>()) 3499901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor if (RecordTy->getDecl()->isAnonymousStructOrUnion()) 3509901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor if (!VisitCXXRecordDecl(cast<CXXRecordDecl>(RecordTy->getDecl()))) 3519901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor return 0; 3529901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor 353ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCall // Do substitution on the type of the declaration 354a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = SemaRef.SubstType(D->getTypeSourceInfo(), 3550a5fa06a688e1086ea553a24b42b9915996ed1f7John McCall TemplateArgs, 3560a5fa06a688e1086ea553a24b42b9915996ed1f7John McCall D->getTypeSpecStartLoc(), 3570a5fa06a688e1086ea553a24b42b9915996ed1f7John McCall D->getDeclName()); 3580a5fa06a688e1086ea553a24b42b9915996ed1f7John McCall if (!DI) 3593d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor return 0; 3603d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor 361b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor // Build the instantiated declaration 3623d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor VarDecl *Var = VarDecl::Create(SemaRef.Context, Owner, 3633d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor D->getLocation(), D->getIdentifier(), 3640a5fa06a688e1086ea553a24b42b9915996ed1f7John McCall DI->getType(), DI, 36516573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor D->getStorageClass(), 36616573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor D->getStorageClassAsWritten()); 3673d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor Var->setThreadSpecified(D->isThreadSpecified()); 3683d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor Var->setCXXDirectInitializer(D->hasCXXDirectInitializer()); 3691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 370b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Substitute the nested name specifier, if any. 371b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (SubstQualifier(D, Var)) 372b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall return 0; 373b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 3741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If we are instantiating a static data member defined 3757caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // out-of-line, the instantiation will have the same lexical 3767caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // context (which will be a namespace scope) as the template. 3777caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (D->isOutOfLine()) 3787caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor Var->setLexicalDeclContext(D->getLexicalDeclContext()); 3791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 38046460a68f6508775e98c19b4bb8454bb471aac24John McCall Var->setAccess(D->getAccess()); 381c070cc602d6eefea881f71a60de09e05b54c3fddDouglas Gregor 382c070cc602d6eefea881f71a60de09e05b54c3fddDouglas Gregor if (!D->isStaticDataMember()) 383c070cc602d6eefea881f71a60de09e05b54c3fddDouglas Gregor Var->setUsed(D->isUsed(false)); 3844469e8a97cdca3725b4f8f366916143113c029acDouglas Gregor 385390b4cc8b45a05612349269ef08faab3e4688f06Mike Stump // FIXME: In theory, we could have a previous declaration for variables that 386390b4cc8b45a05612349269ef08faab3e4688f06Mike Stump // are not static data members. 3873d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor bool Redeclaration = false; 3886826314938f8510cd1a6b03b5d032592456ae27bJohn McCall // FIXME: having to fake up a LookupResult is dumb. 3896826314938f8510cd1a6b03b5d032592456ae27bJohn McCall LookupResult Previous(SemaRef, Var->getDeclName(), Var->getLocation(), 390449d0a829007ea654912098e6a73134a2c529d61Douglas Gregor Sema::LookupOrdinaryName, Sema::ForRedeclaration); 39160c93c9981c467738369702e7aa23fd58c2b6aacDouglas Gregor if (D->isStaticDataMember()) 39260c93c9981c467738369702e7aa23fd58c2b6aacDouglas Gregor SemaRef.LookupQualifiedName(Previous, Owner, false); 3936826314938f8510cd1a6b03b5d032592456ae27bJohn McCall SemaRef.CheckVariableDeclaration(Var, Previous, Redeclaration); 3941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3957caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (D->isOutOfLine()) { 396ea7b4880bc07cd99b3994c2a95d722a06ab56594Abramo Bagnara if (!D->isStaticDataMember()) 397ea7b4880bc07cd99b3994c2a95d722a06ab56594Abramo Bagnara D->getLexicalDeclContext()->addDecl(Var); 3987caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor Owner->makeDeclVisibleInContext(Var); 3997caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor } else { 4007caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor Owner->addDecl(Var); 401f7d72f5a4a3f0e610d77c6779ca3c21920a14bc7Douglas Gregor if (Owner->isFunctionOrMethod()) 402f7d72f5a4a3f0e610d77c6779ca3c21920a14bc7Douglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal(D, Var); 4037caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor } 4041d8d1ccd36888f1120b3a1df9e76f35dc2edb81dJohn McCall SemaRef.InstantiateAttrs(TemplateArgs, D, Var); 4058dd0c5626455cdf94280783e85e413eed6cbf3d9Fariborz Jahanian 406251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor // Link instantiations of static data members back to the template from 407251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor // which they were instantiated. 408251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor if (Var->isStaticDataMember()) 409251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor SemaRef.Context.setInstantiatedFromStaticDataMember(Var, D, 410cf3293eaeb3853d12cff47e648bbe835004e929fDouglas Gregor TSK_ImplicitInstantiation); 411251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor 41260c93c9981c467738369702e7aa23fd58c2b6aacDouglas Gregor if (Var->getAnyInitializer()) { 41360c93c9981c467738369702e7aa23fd58c2b6aacDouglas Gregor // We already have an initializer in the class. 41460c93c9981c467738369702e7aa23fd58c2b6aacDouglas Gregor } else if (D->getInit()) { 4151f5f3a4d58a1c7c50c331b33329fc14563533c04Douglas Gregor if (Var->isStaticDataMember() && !D->isOutOfLine()) 4161f5f3a4d58a1c7c50c331b33329fc14563533c04Douglas Gregor SemaRef.PushExpressionEvaluationContext(Sema::Unevaluated); 4171f5f3a4d58a1c7c50c331b33329fc14563533c04Douglas Gregor else 4181f5f3a4d58a1c7c50c331b33329fc14563533c04Douglas Gregor SemaRef.PushExpressionEvaluationContext(Sema::PotentiallyEvaluated); 4191f5f3a4d58a1c7c50c331b33329fc14563533c04Douglas Gregor 4206b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor // Instantiate the initializer. 4216b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor SourceLocation LParenLoc, RParenLoc; 4226b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor llvm::SmallVector<SourceLocation, 4> CommaLocs; 423ca0408fb49c1370430672acf2d770b7151cf71deJohn McCall ASTOwningVector<Expr*> InitArgs(SemaRef); 4246b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (!InstantiateInitializer(SemaRef, D->getInit(), TemplateArgs, LParenLoc, 4256b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor CommaLocs, InitArgs, RParenLoc)) { 4266b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor // Attach the initializer to the declaration. 4276b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (D->hasCXXDirectInitializer()) { 4286eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor // Add the direct initializer to the declaration. 429d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall SemaRef.AddCXXDirectInitializerToDecl(Var, 4306b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor LParenLoc, 4316eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor move_arg(InitArgs), 4326eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor CommaLocs.data(), 4336b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor RParenLoc); 4346b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor } else if (InitArgs.size() == 1) { 4359ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Expr *Init = InitArgs.take()[0]; 4369ae2f076ca5ab1feb3ba95629099ec2319833701John McCall SemaRef.AddInitializerToDecl(Var, Init, false); 4376b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor } else { 4386b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor assert(InitArgs.size() == 0); 439d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall SemaRef.ActOnUninitializedDecl(Var, false); 44083ddad3ab513f5d73698cf9fbeb4ed3f011bc3b9Douglas Gregor } 4416eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor } else { 4426b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor // FIXME: Not too happy about invalidating the declaration 4436b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor // because of a bogus initializer. 4446b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor Var->setInvalidDecl(); 4456eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor } 4466eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor 4471f5f3a4d58a1c7c50c331b33329fc14563533c04Douglas Gregor SemaRef.PopExpressionEvaluationContext(); 44865b90055dd30cfb83d8344ff62ed428257431be4Douglas Gregor } else if (!Var->isStaticDataMember() || Var->isOutOfLine()) 449d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall SemaRef.ActOnUninitializedDecl(Var, false); 4503d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor 4515764f613e61cb3183f3d7ceeafd23396de96ed16Douglas Gregor // Diagnose unused local variables. 4525764f613e61cb3183f3d7ceeafd23396de96ed16Douglas Gregor if (!Var->isInvalidDecl() && Owner->isFunctionOrMethod() && !Var->isUsed()) 4535764f613e61cb3183f3d7ceeafd23396de96ed16Douglas Gregor SemaRef.DiagnoseUnusedDecl(Var); 454bbc6454bb98d6a6ecbaafa715222c5db834307f2Argyrios Kyrtzidis 4553d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor return Var; 4563d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor} 4573d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor 4586206d53f67613958ae1b023aba337ebb46f11a8bAbramo BagnaraDecl *TemplateDeclInstantiator::VisitAccessSpecDecl(AccessSpecDecl *D) { 4596206d53f67613958ae1b023aba337ebb46f11a8bAbramo Bagnara AccessSpecDecl* AD 4606206d53f67613958ae1b023aba337ebb46f11a8bAbramo Bagnara = AccessSpecDecl::Create(SemaRef.Context, D->getAccess(), Owner, 4616206d53f67613958ae1b023aba337ebb46f11a8bAbramo Bagnara D->getAccessSpecifierLoc(), D->getColonLoc()); 4626206d53f67613958ae1b023aba337ebb46f11a8bAbramo Bagnara Owner->addHiddenDecl(AD); 4636206d53f67613958ae1b023aba337ebb46f11a8bAbramo Bagnara return AD; 4646206d53f67613958ae1b023aba337ebb46f11a8bAbramo Bagnara} 4656206d53f67613958ae1b023aba337ebb46f11a8bAbramo Bagnara 4668dbc2694424b4e842b1d5ea39744a137b58600c3Douglas GregorDecl *TemplateDeclInstantiator::VisitFieldDecl(FieldDecl *D) { 4678dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor bool Invalid = false; 468a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = D->getTypeSourceInfo(); 469836adf6771d5170d936599dfcce21687e37e9bbfDouglas Gregor if (DI->getType()->isDependentType() || 470836adf6771d5170d936599dfcce21687e37e9bbfDouglas Gregor DI->getType()->isVariablyModifiedType()) { 47107fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall DI = SemaRef.SubstType(DI, TemplateArgs, 47207fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall D->getLocation(), D->getDeclName()); 47307fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall if (!DI) { 474a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall DI = D->getTypeSourceInfo(); 47507fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall Invalid = true; 47607fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall } else if (DI->getType()->isFunctionType()) { 4778dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // C++ [temp.arg.type]p3: 4788dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // If a declaration acquires a function type through a type 4798dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // dependent on a template-parameter and this causes a 4808dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // declaration that does not use the syntactic form of a 4818dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // function declarator to have function type, the program is 4828dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // ill-formed. 4838dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor SemaRef.Diag(D->getLocation(), diag::err_field_instantiates_to_function) 48407fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall << DI->getType(); 4858dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Invalid = true; 4868dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 487b4eeaff1595b7d0a8fbc2b3c8bec7dc63f48b7fdDouglas Gregor } else { 488b4eeaff1595b7d0a8fbc2b3c8bec7dc63f48b7fdDouglas Gregor SemaRef.MarkDeclarationsReferencedInType(D->getLocation(), DI->getType()); 4898dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 4908dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 4918dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Expr *BitWidth = D->getBitWidth(); 4928dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor if (Invalid) 4938dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor BitWidth = 0; 4948dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor else if (BitWidth) { 495ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor // The bit-width expression is not potentially evaluated. 496f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall EnterExpressionEvaluationContext Unevaluated(SemaRef, Sema::Unevaluated); 4971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 49860d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult InstantiatedBitWidth 499ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCall = SemaRef.SubstExpr(BitWidth, TemplateArgs); 5008dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor if (InstantiatedBitWidth.isInvalid()) { 5018dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Invalid = true; 5028dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor BitWidth = 0; 5038dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } else 504e9146f2e9f1c4e281544e8c080934c72d41012caAnders Carlsson BitWidth = InstantiatedBitWidth.takeAs<Expr>(); 5058dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 5068dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 50707fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall FieldDecl *Field = SemaRef.CheckFieldDecl(D->getDeclName(), 50807fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall DI->getType(), DI, 5091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump cast<RecordDecl>(Owner), 5108dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor D->getLocation(), 5118dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor D->isMutable(), 5128dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor BitWidth, 513ea218b8e8f9ba82d1c76bcb7e86d121a5f65ebedSteve Naroff D->getTypeSpecStartLoc(), 5148dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor D->getAccess(), 5158dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 0); 516663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor if (!Field) { 517663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor cast<Decl>(Owner)->setInvalidDecl(); 518f4b5f5c6a1487317aab9aa30d97bccfd57c82c98Anders Carlsson return 0; 519663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor } 5201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5211d8d1ccd36888f1120b3a1df9e76f35dc2edb81dJohn McCall SemaRef.InstantiateAttrs(TemplateArgs, D, Field); 522d8fe2d56fb5463c9d109e8c6dab2e98b06bee186Anders Carlsson 523f4b5f5c6a1487317aab9aa30d97bccfd57c82c98Anders Carlsson if (Invalid) 524f4b5f5c6a1487317aab9aa30d97bccfd57c82c98Anders Carlsson Field->setInvalidDecl(); 5251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 526f4b5f5c6a1487317aab9aa30d97bccfd57c82c98Anders Carlsson if (!Field->getDeclName()) { 527f4b5f5c6a1487317aab9aa30d97bccfd57c82c98Anders Carlsson // Keep track of where this decl came from. 528f4b5f5c6a1487317aab9aa30d97bccfd57c82c98Anders Carlsson SemaRef.Context.setInstantiatedFromUnnamedFieldDecl(Field, D); 5299901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor } 5309901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor if (CXXRecordDecl *Parent= dyn_cast<CXXRecordDecl>(Field->getDeclContext())) { 5319901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor if (Parent->isAnonymousStructOrUnion() && 5327a126a474fdde06382b315b4e3d8ef0a21d4dc31Sebastian Redl Parent->getRedeclContext()->isFunctionOrMethod()) 5339901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal(D, Field); 5348dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 5351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 536f4b5f5c6a1487317aab9aa30d97bccfd57c82c98Anders Carlsson Field->setImplicit(D->isImplicit()); 53746460a68f6508775e98c19b4bb8454bb471aac24John McCall Field->setAccess(D->getAccess()); 538f4b5f5c6a1487317aab9aa30d97bccfd57c82c98Anders Carlsson Owner->addDecl(Field); 5398dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 5408dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor return Field; 5418dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor} 5428dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 54302cace78cf48cc26686bd5b07c78606abca13bcdJohn McCallDecl *TemplateDeclInstantiator::VisitFriendDecl(FriendDecl *D) { 54402cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall // Handle friend type expressions by simply substituting template 54506245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor // parameters into the pattern type and checking the result. 54632f2fb53d9d7c28c94d8569fd0fcf06cccee0c3dJohn McCall if (TypeSourceInfo *Ty = D->getFriendType()) { 54732f2fb53d9d7c28c94d8569fd0fcf06cccee0c3dJohn McCall TypeSourceInfo *InstTy = 54832f2fb53d9d7c28c94d8569fd0fcf06cccee0c3dJohn McCall SemaRef.SubstType(Ty, TemplateArgs, 54932f2fb53d9d7c28c94d8569fd0fcf06cccee0c3dJohn McCall D->getLocation(), DeclarationName()); 55006245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor if (!InstTy) 55106245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor return 0; 552fd810b1386ed29b250e7d522ea826a65c815e49dJohn McCall 55306245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor FriendDecl *FD = SemaRef.CheckFriendTypeDecl(D->getFriendLoc(), InstTy); 55406245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor if (!FD) 55506245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor return 0; 55606245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor 55706245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor FD->setAccess(AS_public); 55806245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor Owner->addDecl(FD); 55906245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor return FD; 56006245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor } 56106245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor 56206245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor NamedDecl *ND = D->getFriendDecl(); 56306245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor assert(ND && "friend decl must be a decl or a type!"); 56432f2fb53d9d7c28c94d8569fd0fcf06cccee0c3dJohn McCall 565af2094e7cecadf36667deb61a83587ffdd979bd3John McCall // All of the Visit implementations for the various potential friend 566af2094e7cecadf36667deb61a83587ffdd979bd3John McCall // declarations have to be carefully written to work for friend 567af2094e7cecadf36667deb61a83587ffdd979bd3John McCall // objects, with the most important detail being that the target 568af2094e7cecadf36667deb61a83587ffdd979bd3John McCall // decl should almost certainly not be placed in Owner. 569af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Decl *NewND = Visit(ND); 57006245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor if (!NewND) return 0; 5711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 57202cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall FriendDecl *FD = 57306245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor FriendDecl::Create(SemaRef.Context, Owner, D->getLocation(), 57406245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor cast<NamedDecl>(NewND), D->getFriendLoc()); 5755fee110ac106370f75592df024001de73edced2aJohn McCall FD->setAccess(AS_public); 57602cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall Owner->addDecl(FD); 57702cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall return FD; 578fd810b1386ed29b250e7d522ea826a65c815e49dJohn McCall} 579fd810b1386ed29b250e7d522ea826a65c815e49dJohn McCall 5808dbc2694424b4e842b1d5ea39744a137b58600c3Douglas GregorDecl *TemplateDeclInstantiator::VisitStaticAssertDecl(StaticAssertDecl *D) { 5818dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Expr *AssertExpr = D->getAssertExpr(); 5821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 583ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor // The expression in a static assertion is not potentially evaluated. 584f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall EnterExpressionEvaluationContext Unevaluated(SemaRef, Sema::Unevaluated); 5851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 58660d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult InstantiatedAssertExpr 587ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCall = SemaRef.SubstExpr(AssertExpr, TemplateArgs); 5888dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor if (InstantiatedAssertExpr.isInvalid()) 5898dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor return 0; 5908dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 59160d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Message(D->getMessage()); 59243d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor D->getMessage()->Retain(); 593d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall return SemaRef.ActOnStaticAssertDeclaration(D->getLocation(), 5949ae2f076ca5ab1feb3ba95629099ec2319833701John McCall InstantiatedAssertExpr.get(), 5959ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Message.get()); 5968dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor} 5978dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 5988dbc2694424b4e842b1d5ea39744a137b58600c3Douglas GregorDecl *TemplateDeclInstantiator::VisitEnumDecl(EnumDecl *D) { 5991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump EnumDecl *Enum = EnumDecl::Create(SemaRef.Context, Owner, 6008dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor D->getLocation(), D->getIdentifier(), 601741dd9a7e1d63e4e385b657e4ce11c5d96d44f72Douglas Gregor D->getTagKeywordLoc(), 6028dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor /*PrevDecl=*/0); 6038dbc3c64965f99e48830885835b7d2fc26ec3cf5Douglas Gregor Enum->setInstantiationOfMemberEnum(D); 60406c0fecd197fef21e265a41bca8dc5022de1f864Douglas Gregor Enum->setAccess(D->getAccess()); 605b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (SubstQualifier(D, Enum)) return 0; 60617945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis Owner->addDecl(Enum); 6078dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Enum->startDefinition(); 6088dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 60996084f171f4824397dc48453146f0a9719cb9247Douglas Gregor if (D->getDeclContext()->isFunctionOrMethod()) 61096084f171f4824397dc48453146f0a9719cb9247Douglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal(D, Enum); 61196084f171f4824397dc48453146f0a9719cb9247Douglas Gregor 612d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall llvm::SmallVector<Decl*, 4> Enumerators; 6138dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 6148dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor EnumConstantDecl *LastEnumConst = 0; 61517945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (EnumDecl::enumerator_iterator EC = D->enumerator_begin(), 61617945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis ECEnd = D->enumerator_end(); 6178dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor EC != ECEnd; ++EC) { 6188dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // The specified value for the enumerator. 61960d7b3a319d84d688752be3870615ac0f111fb16John McCall ExprResult Value = SemaRef.Owned((Expr *)0); 620ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor if (Expr *UninstValue = EC->getInitExpr()) { 621ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor // The enumerator's value expression is not potentially evaluated. 6221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump EnterExpressionEvaluationContext Unevaluated(SemaRef, 623f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::Unevaluated); 6241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 625ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCall Value = SemaRef.SubstExpr(UninstValue, TemplateArgs); 626ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor } 6278dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 6288dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // Drop the initial value and continue. 6298dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor bool isInvalid = false; 6308dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor if (Value.isInvalid()) { 6318dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Value = SemaRef.Owned((Expr *)0); 6328dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor isInvalid = true; 6338dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 6348dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 6351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump EnumConstantDecl *EnumConst 6368dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor = SemaRef.CheckEnumConstant(Enum, LastEnumConst, 6378dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor EC->getLocation(), EC->getIdentifier(), 6389ae2f076ca5ab1feb3ba95629099ec2319833701John McCall Value.get()); 6398dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 6408dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor if (isInvalid) { 6418dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor if (EnumConst) 6428dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor EnumConst->setInvalidDecl(); 6438dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Enum->setInvalidDecl(); 6448dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 6458dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 6468dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor if (EnumConst) { 6473b85ecf2049c8670eba30d0c06f28f64168af9b8John McCall EnumConst->setAccess(Enum->getAccess()); 64817945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis Enum->addDecl(EnumConst); 649d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Enumerators.push_back(EnumConst); 6508dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor LastEnumConst = EnumConst; 65196084f171f4824397dc48453146f0a9719cb9247Douglas Gregor 65296084f171f4824397dc48453146f0a9719cb9247Douglas Gregor if (D->getDeclContext()->isFunctionOrMethod()) { 65396084f171f4824397dc48453146f0a9719cb9247Douglas Gregor // If the enumeration is within a function or method, record the enum 65496084f171f4824397dc48453146f0a9719cb9247Douglas Gregor // constant as a local. 65596084f171f4824397dc48453146f0a9719cb9247Douglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal(*EC, EnumConst); 65696084f171f4824397dc48453146f0a9719cb9247Douglas Gregor } 6578dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 6588dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 6591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 660c6e35aae23bc3cea7daf5ee075fa695c01c0f66fMike Stump // FIXME: Fixup LBraceLoc and RBraceLoc 661fee13819693c8492f0c364bc704645e844ef737aEdward O'Callaghan // FIXME: Empty Scope and AttributeList (required to handle attribute packed). 662c6e35aae23bc3cea7daf5ee075fa695c01c0f66fMike Stump SemaRef.ActOnEnumBody(Enum->getLocation(), SourceLocation(), SourceLocation(), 663d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall Enum, 664de7a0fcdf9f30cb5a97aab614f3975d93cd9926fEli Friedman Enumerators.data(), Enumerators.size(), 665fee13819693c8492f0c364bc704645e844ef737aEdward O'Callaghan 0, 0); 6668dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 6678dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor return Enum; 6688dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor} 6698dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 6706477b69cc93e0a0ff15036d60d604f3544da0f29Douglas GregorDecl *TemplateDeclInstantiator::VisitEnumConstantDecl(EnumConstantDecl *D) { 6716477b69cc93e0a0ff15036d60d604f3544da0f29Douglas Gregor assert(false && "EnumConstantDecls can only occur within EnumDecls."); 6726477b69cc93e0a0ff15036d60d604f3544da0f29Douglas Gregor return 0; 6736477b69cc93e0a0ff15036d60d604f3544da0f29Douglas Gregor} 6746477b69cc93e0a0ff15036d60d604f3544da0f29Douglas Gregor 675e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCallDecl *TemplateDeclInstantiator::VisitClassTemplateDecl(ClassTemplateDecl *D) { 67693ba8579c341d5329175f1413cdc3b35a36592d2John McCall bool isFriend = (D->getFriendObjectKind() != Decl::FOK_None); 67793ba8579c341d5329175f1413cdc3b35a36592d2John McCall 678550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // Create a local instantiation scope for this class template, which 679550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // will contain the instantiations of the template parameters. 6802a7fb27913999d132cf9e10e03dc5271faa2e9d3John McCall LocalInstantiationScope Scope(SemaRef); 681e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall TemplateParameterList *TempParams = D->getTemplateParameters(); 682ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCall TemplateParameterList *InstParams = SubstTemplateParams(TempParams); 6831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!InstParams) 684d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor return NULL; 685e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 686e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall CXXRecordDecl *Pattern = D->getTemplatedDecl(); 68793ba8579c341d5329175f1413cdc3b35a36592d2John McCall 68893ba8579c341d5329175f1413cdc3b35a36592d2John McCall // Instantiate the qualifier. We have to do this first in case 68993ba8579c341d5329175f1413cdc3b35a36592d2John McCall // we're a friend declaration, because if we are then we need to put 69093ba8579c341d5329175f1413cdc3b35a36592d2John McCall // the new declaration in the appropriate context. 69193ba8579c341d5329175f1413cdc3b35a36592d2John McCall NestedNameSpecifier *Qualifier = Pattern->getQualifier(); 69293ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (Qualifier) { 69393ba8579c341d5329175f1413cdc3b35a36592d2John McCall Qualifier = SemaRef.SubstNestedNameSpecifier(Qualifier, 69493ba8579c341d5329175f1413cdc3b35a36592d2John McCall Pattern->getQualifierRange(), 69593ba8579c341d5329175f1413cdc3b35a36592d2John McCall TemplateArgs); 69693ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (!Qualifier) return 0; 69793ba8579c341d5329175f1413cdc3b35a36592d2John McCall } 69893ba8579c341d5329175f1413cdc3b35a36592d2John McCall 69993ba8579c341d5329175f1413cdc3b35a36592d2John McCall CXXRecordDecl *PrevDecl = 0; 70093ba8579c341d5329175f1413cdc3b35a36592d2John McCall ClassTemplateDecl *PrevClassTemplate = 0; 70193ba8579c341d5329175f1413cdc3b35a36592d2John McCall 70293ba8579c341d5329175f1413cdc3b35a36592d2John McCall // If this isn't a friend, then it's a member template, in which 70393ba8579c341d5329175f1413cdc3b35a36592d2John McCall // case we just want to build the instantiation in the 70493ba8579c341d5329175f1413cdc3b35a36592d2John McCall // specialization. If it is a friend, we want to build it in 70593ba8579c341d5329175f1413cdc3b35a36592d2John McCall // the appropriate context. 70693ba8579c341d5329175f1413cdc3b35a36592d2John McCall DeclContext *DC = Owner; 70793ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (isFriend) { 70893ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (Qualifier) { 70993ba8579c341d5329175f1413cdc3b35a36592d2John McCall CXXScopeSpec SS; 71093ba8579c341d5329175f1413cdc3b35a36592d2John McCall SS.setScopeRep(Qualifier); 71193ba8579c341d5329175f1413cdc3b35a36592d2John McCall SS.setRange(Pattern->getQualifierRange()); 71293ba8579c341d5329175f1413cdc3b35a36592d2John McCall DC = SemaRef.computeDeclContext(SS); 71393ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (!DC) return 0; 71493ba8579c341d5329175f1413cdc3b35a36592d2John McCall } else { 71593ba8579c341d5329175f1413cdc3b35a36592d2John McCall DC = SemaRef.FindInstantiatedContext(Pattern->getLocation(), 71693ba8579c341d5329175f1413cdc3b35a36592d2John McCall Pattern->getDeclContext(), 71793ba8579c341d5329175f1413cdc3b35a36592d2John McCall TemplateArgs); 71893ba8579c341d5329175f1413cdc3b35a36592d2John McCall } 71993ba8579c341d5329175f1413cdc3b35a36592d2John McCall 72093ba8579c341d5329175f1413cdc3b35a36592d2John McCall // Look for a previous declaration of the template in the owning 72193ba8579c341d5329175f1413cdc3b35a36592d2John McCall // context. 72293ba8579c341d5329175f1413cdc3b35a36592d2John McCall LookupResult R(SemaRef, Pattern->getDeclName(), Pattern->getLocation(), 72393ba8579c341d5329175f1413cdc3b35a36592d2John McCall Sema::LookupOrdinaryName, Sema::ForRedeclaration); 72493ba8579c341d5329175f1413cdc3b35a36592d2John McCall SemaRef.LookupQualifiedName(R, DC); 72593ba8579c341d5329175f1413cdc3b35a36592d2John McCall 72693ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (R.isSingleResult()) { 72793ba8579c341d5329175f1413cdc3b35a36592d2John McCall PrevClassTemplate = R.getAsSingle<ClassTemplateDecl>(); 72893ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (PrevClassTemplate) 72993ba8579c341d5329175f1413cdc3b35a36592d2John McCall PrevDecl = PrevClassTemplate->getTemplatedDecl(); 73093ba8579c341d5329175f1413cdc3b35a36592d2John McCall } 73193ba8579c341d5329175f1413cdc3b35a36592d2John McCall 73293ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (!PrevClassTemplate && Qualifier) { 73393ba8579c341d5329175f1413cdc3b35a36592d2John McCall SemaRef.Diag(Pattern->getLocation(), diag::err_not_tag_in_scope) 7341eabb7d0c30f6a876b0fd03ad4656c096c26b8d0Douglas Gregor << D->getTemplatedDecl()->getTagKind() << Pattern->getDeclName() << DC 7351eabb7d0c30f6a876b0fd03ad4656c096c26b8d0Douglas Gregor << Pattern->getQualifierRange(); 73693ba8579c341d5329175f1413cdc3b35a36592d2John McCall return 0; 73793ba8579c341d5329175f1413cdc3b35a36592d2John McCall } 73893ba8579c341d5329175f1413cdc3b35a36592d2John McCall 739c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor bool AdoptedPreviousTemplateParams = false; 74093ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (PrevClassTemplate) { 741c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor bool Complain = true; 742c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor 743c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor // HACK: libstdc++ 4.2.1 contains an ill-formed friend class 744c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor // template for struct std::tr1::__detail::_Map_base, where the 745c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor // template parameters of the friend declaration don't match the 746c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor // template parameters of the original declaration. In this one 747c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor // case, we don't complain about the ill-formed friend 748c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor // declaration. 749c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor if (isFriend && Pattern->getIdentifier() && 750c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor Pattern->getIdentifier()->isStr("_Map_base") && 751c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor DC->isNamespace() && 752c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor cast<NamespaceDecl>(DC)->getIdentifier() && 753c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor cast<NamespaceDecl>(DC)->getIdentifier()->isStr("__detail")) { 754c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor DeclContext *DCParent = DC->getParent(); 755c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor if (DCParent->isNamespace() && 756c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor cast<NamespaceDecl>(DCParent)->getIdentifier() && 757c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor cast<NamespaceDecl>(DCParent)->getIdentifier()->isStr("tr1")) { 758c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor DeclContext *DCParent2 = DCParent->getParent(); 759c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor if (DCParent2->isNamespace() && 760c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor cast<NamespaceDecl>(DCParent2)->getIdentifier() && 761c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor cast<NamespaceDecl>(DCParent2)->getIdentifier()->isStr("std") && 762c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor DCParent2->getParent()->isTranslationUnit()) 763c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor Complain = false; 764c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor } 765c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor } 766c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor 76793ba8579c341d5329175f1413cdc3b35a36592d2John McCall TemplateParameterList *PrevParams 76893ba8579c341d5329175f1413cdc3b35a36592d2John McCall = PrevClassTemplate->getTemplateParameters(); 76993ba8579c341d5329175f1413cdc3b35a36592d2John McCall 77093ba8579c341d5329175f1413cdc3b35a36592d2John McCall // Make sure the parameter lists match. 77193ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (!SemaRef.TemplateParameterListsAreEqual(InstParams, PrevParams, 772c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor Complain, 773c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor Sema::TPL_TemplateMatch)) { 774c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor if (Complain) 775c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor return 0; 776c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor 777c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor AdoptedPreviousTemplateParams = true; 778c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor InstParams = PrevParams; 779c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor } 78093ba8579c341d5329175f1413cdc3b35a36592d2John McCall 78193ba8579c341d5329175f1413cdc3b35a36592d2John McCall // Do some additional validation, then merge default arguments 78293ba8579c341d5329175f1413cdc3b35a36592d2John McCall // from the existing declarations. 783c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor if (!AdoptedPreviousTemplateParams && 784c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor SemaRef.CheckTemplateParameterList(InstParams, PrevParams, 78593ba8579c341d5329175f1413cdc3b35a36592d2John McCall Sema::TPC_ClassTemplate)) 78693ba8579c341d5329175f1413cdc3b35a36592d2John McCall return 0; 78793ba8579c341d5329175f1413cdc3b35a36592d2John McCall } 78893ba8579c341d5329175f1413cdc3b35a36592d2John McCall } 78993ba8579c341d5329175f1413cdc3b35a36592d2John McCall 790e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall CXXRecordDecl *RecordInst 79193ba8579c341d5329175f1413cdc3b35a36592d2John McCall = CXXRecordDecl::Create(SemaRef.Context, Pattern->getTagKind(), DC, 792e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall Pattern->getLocation(), Pattern->getIdentifier(), 79393ba8579c341d5329175f1413cdc3b35a36592d2John McCall Pattern->getTagKeywordLoc(), PrevDecl, 794f0510d49a6985e9284d30cfc36a0df2a6292a638Douglas Gregor /*DelayTypeCreation=*/true); 795e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 79693ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (Qualifier) 79793ba8579c341d5329175f1413cdc3b35a36592d2John McCall RecordInst->setQualifierInfo(Qualifier, Pattern->getQualifierRange()); 798b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 799e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall ClassTemplateDecl *Inst 80093ba8579c341d5329175f1413cdc3b35a36592d2John McCall = ClassTemplateDecl::Create(SemaRef.Context, DC, D->getLocation(), 80193ba8579c341d5329175f1413cdc3b35a36592d2John McCall D->getIdentifier(), InstParams, RecordInst, 80293ba8579c341d5329175f1413cdc3b35a36592d2John McCall PrevClassTemplate); 803e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall RecordInst->setDescribedClassTemplate(Inst); 804ea7390c7b384ce607bfc8fc13c01f37cfc3776f0John McCall 80593ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (isFriend) { 806ea7390c7b384ce607bfc8fc13c01f37cfc3776f0John McCall if (PrevClassTemplate) 807ea7390c7b384ce607bfc8fc13c01f37cfc3776f0John McCall Inst->setAccess(PrevClassTemplate->getAccess()); 808ea7390c7b384ce607bfc8fc13c01f37cfc3776f0John McCall else 809ea7390c7b384ce607bfc8fc13c01f37cfc3776f0John McCall Inst->setAccess(D->getAccess()); 810ea7390c7b384ce607bfc8fc13c01f37cfc3776f0John McCall 81193ba8579c341d5329175f1413cdc3b35a36592d2John McCall Inst->setObjectOfFriendDecl(PrevClassTemplate != 0); 81293ba8579c341d5329175f1413cdc3b35a36592d2John McCall // TODO: do we want to track the instantiation progeny of this 81393ba8579c341d5329175f1413cdc3b35a36592d2John McCall // friend target decl? 81493ba8579c341d5329175f1413cdc3b35a36592d2John McCall } else { 815e8c01bdb56549adcecd71ce39160eea54b2c51c8Douglas Gregor Inst->setAccess(D->getAccess()); 81693ba8579c341d5329175f1413cdc3b35a36592d2John McCall Inst->setInstantiatedFromMemberTemplate(D); 81793ba8579c341d5329175f1413cdc3b35a36592d2John McCall } 818f0510d49a6985e9284d30cfc36a0df2a6292a638Douglas Gregor 819f0510d49a6985e9284d30cfc36a0df2a6292a638Douglas Gregor // Trigger creation of the type for the instantiation. 8203cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall SemaRef.Context.getInjectedClassNameType(RecordInst, 82124bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor Inst->getInjectedClassNameSpecialization()); 822ea7390c7b384ce607bfc8fc13c01f37cfc3776f0John McCall 823259571e27e513cfaf691cc7447e09b31a47d5438Douglas Gregor // Finish handling of friends. 82493ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (isFriend) { 82593ba8579c341d5329175f1413cdc3b35a36592d2John McCall DC->makeDeclVisibleInContext(Inst, /*Recoverable*/ false); 826e8c01bdb56549adcecd71ce39160eea54b2c51c8Douglas Gregor return Inst; 827259571e27e513cfaf691cc7447e09b31a47d5438Douglas Gregor } 828e8c01bdb56549adcecd71ce39160eea54b2c51c8Douglas Gregor 829e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall Owner->addDecl(Inst); 830ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 831ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Instantiate all of the partial specializations of this member class 832ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // template. 833dc60c1eb4acbde6edcec9760de92f9098593d915Douglas Gregor llvm::SmallVector<ClassTemplatePartialSpecializationDecl *, 4> PartialSpecs; 834dc60c1eb4acbde6edcec9760de92f9098593d915Douglas Gregor D->getPartialSpecializations(PartialSpecs); 835ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor for (unsigned I = 0, N = PartialSpecs.size(); I != N; ++I) 836ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor InstantiateClassTemplatePartialSpecialization(Inst, PartialSpecs[I]); 837ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 838e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall return Inst; 839e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall} 840e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 841d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas GregorDecl * 8427974c3b7062f85bb7c0ada34526cdefe1d30f89bDouglas GregorTemplateDeclInstantiator::VisitClassTemplatePartialSpecializationDecl( 8437974c3b7062f85bb7c0ada34526cdefe1d30f89bDouglas Gregor ClassTemplatePartialSpecializationDecl *D) { 844ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplateDecl *ClassTemplate = D->getSpecializedTemplate(); 845ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 846ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Lookup the already-instantiated declaration in the instantiation 847ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // of the class template and return that. 848ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor DeclContext::lookup_result Found 849ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor = Owner->lookup(ClassTemplate->getDeclName()); 850ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor if (Found.first == Found.second) 851ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return 0; 852ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 853ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplateDecl *InstClassTemplate 854ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor = dyn_cast<ClassTemplateDecl>(*Found.first); 855ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor if (!InstClassTemplate) 856ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return 0; 857ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 858cc0b1bc979b650a8a8b34b2032a074fd7724a90dArgyrios Kyrtzidis return InstClassTemplate->findPartialSpecInstantiatedFromMember(D); 8597974c3b7062f85bb7c0ada34526cdefe1d30f89bDouglas Gregor} 8607974c3b7062f85bb7c0ada34526cdefe1d30f89bDouglas Gregor 8617974c3b7062f85bb7c0ada34526cdefe1d30f89bDouglas GregorDecl * 862d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas GregorTemplateDeclInstantiator::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) { 863550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // Create a local instantiation scope for this function template, which 864550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // will contain the instantiations of the template parameters and then get 865550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // merged with the local instantiation scope for the function template 866550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // itself. 8672a7fb27913999d132cf9e10e03dc5271faa2e9d3John McCall LocalInstantiationScope Scope(SemaRef); 868895162da2d52f4243f61081d7436de66af4503fcDouglas Gregor 869d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor TemplateParameterList *TempParams = D->getTemplateParameters(); 870d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor TemplateParameterList *InstParams = SubstTemplateParams(TempParams); 8711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!InstParams) 872d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor return NULL; 873ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 874a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor FunctionDecl *Instantiated = 0; 875a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor if (CXXMethodDecl *DMethod = dyn_cast<CXXMethodDecl>(D->getTemplatedDecl())) 876a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor Instantiated = cast_or_null<FunctionDecl>(VisitCXXMethodDecl(DMethod, 877a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor InstParams)); 878a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor else 879a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor Instantiated = cast_or_null<FunctionDecl>(VisitFunctionDecl( 880a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor D->getTemplatedDecl(), 881a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor InstParams)); 882a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor 883a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor if (!Instantiated) 884d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor return 0; 885d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor 88646460a68f6508775e98c19b4bb8454bb471aac24John McCall Instantiated->setAccess(D->getAccess()); 88746460a68f6508775e98c19b4bb8454bb471aac24John McCall 8881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Link the instantiated function template declaration to the function 889d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // template from which it was instantiated. 89037d68185088947322a97eabdc1c0714b0debd929Douglas Gregor FunctionTemplateDecl *InstTemplate 891a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor = Instantiated->getDescribedFunctionTemplate(); 89237d68185088947322a97eabdc1c0714b0debd929Douglas Gregor InstTemplate->setAccess(D->getAccess()); 893a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor assert(InstTemplate && 894a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor "VisitFunctionDecl/CXXMethodDecl didn't create a template!"); 895e976ffe18ee60b81641423f42ff6feec2f5e3cb7John McCall 896b1a56e767cfb645fcb25027ab728dd5824d92615John McCall bool isFriend = (InstTemplate->getFriendObjectKind() != Decl::FOK_None); 897b1a56e767cfb645fcb25027ab728dd5824d92615John McCall 898e976ffe18ee60b81641423f42ff6feec2f5e3cb7John McCall // Link the instantiation back to the pattern *unless* this is a 899e976ffe18ee60b81641423f42ff6feec2f5e3cb7John McCall // non-definition friend declaration. 900e976ffe18ee60b81641423f42ff6feec2f5e3cb7John McCall if (!InstTemplate->getInstantiatedFromMemberTemplate() && 901b1a56e767cfb645fcb25027ab728dd5824d92615John McCall !(isFriend && !D->getTemplatedDecl()->isThisDeclarationADefinition())) 902a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor InstTemplate->setInstantiatedFromMemberTemplate(D); 903a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor 904b1a56e767cfb645fcb25027ab728dd5824d92615John McCall // Make declarations visible in the appropriate context. 905b1a56e767cfb645fcb25027ab728dd5824d92615John McCall if (!isFriend) 906a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor Owner->addDecl(InstTemplate); 907b1a56e767cfb645fcb25027ab728dd5824d92615John McCall 908d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor return InstTemplate; 909d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor} 910d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor 911d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas GregorDecl *TemplateDeclInstantiator::VisitCXXRecordDecl(CXXRecordDecl *D) { 912d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor CXXRecordDecl *PrevDecl = 0; 913d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor if (D->isInjectedClassName()) 914d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor PrevDecl = cast<CXXRecordDecl>(Owner); 9156c1c1b8c6ca743a5b6b4c81f9ac56392c12c7457John McCall else if (D->getPreviousDeclaration()) { 9167c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor NamedDecl *Prev = SemaRef.FindInstantiatedDecl(D->getLocation(), 9177c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor D->getPreviousDeclaration(), 9186c1c1b8c6ca743a5b6b4c81f9ac56392c12c7457John McCall TemplateArgs); 9196c1c1b8c6ca743a5b6b4c81f9ac56392c12c7457John McCall if (!Prev) return 0; 9206c1c1b8c6ca743a5b6b4c81f9ac56392c12c7457John McCall PrevDecl = cast<CXXRecordDecl>(Prev); 9216c1c1b8c6ca743a5b6b4c81f9ac56392c12c7457John McCall } 922d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor 923d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor CXXRecordDecl *Record 9241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump = CXXRecordDecl::Create(SemaRef.Context, D->getTagKind(), Owner, 925741dd9a7e1d63e4e385b657e4ce11c5d96d44f72Douglas Gregor D->getLocation(), D->getIdentifier(), 926741dd9a7e1d63e4e385b657e4ce11c5d96d44f72Douglas Gregor D->getTagKeywordLoc(), PrevDecl); 927b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 928b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Substitute the nested name specifier, if any. 929b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (SubstQualifier(D, Record)) 930b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall return 0; 931b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 932d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor Record->setImplicit(D->isImplicit()); 933eaba1af8529c381d7bfd4dd0a8b48d2c01647972Eli Friedman // FIXME: Check against AS_none is an ugly hack to work around the issue that 934eaba1af8529c381d7bfd4dd0a8b48d2c01647972Eli Friedman // the tag decls introduced by friend class declarations don't have an access 935eaba1af8529c381d7bfd4dd0a8b48d2c01647972Eli Friedman // specifier. Remove once this area of the code gets sorted out. 936eaba1af8529c381d7bfd4dd0a8b48d2c01647972Eli Friedman if (D->getAccess() != AS_none) 937eaba1af8529c381d7bfd4dd0a8b48d2c01647972Eli Friedman Record->setAccess(D->getAccess()); 938d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor if (!D->isInjectedClassName()) 939f6b1185f0a8a209c06dfc1efdb6a59cc851e970cDouglas Gregor Record->setInstantiationOfMemberClass(D, TSK_ImplicitInstantiation); 940d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor 94102cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall // If the original function was part of a friend declaration, 94202cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall // inherit its namespace state. 94302cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall if (Decl::FriendObjectKind FOK = D->getFriendObjectKind()) 94402cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall Record->setObjectOfFriendDecl(FOK == Decl::FOK_Declared); 94502cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall 9469901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor // Make sure that anonymous structs and unions are recorded. 9479901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor if (D->isAnonymousStructOrUnion()) { 9489901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor Record->setAnonymousStructOrUnion(true); 9497a126a474fdde06382b315b4e3d8ef0a21d4dc31Sebastian Redl if (Record->getDeclContext()->getRedeclContext()->isFunctionOrMethod()) 9509901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal(D, Record); 9519901c57806f7e36736ed1616e6ab3eebcc99b78cDouglas Gregor } 952d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 95317945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis Owner->addDecl(Record); 954d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor return Record; 955d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor} 956d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor 95702cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// Normal class members are of more specific types and therefore 95802cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// don't make it here. This function serves two purposes: 95902cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// 1) instantiating function templates 96002cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// 2) substituting friend declarations 96102cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// FIXME: preserve function definitions in case #2 9627557a1348d2821dce126a778aa7acd7a00b814fdDouglas GregorDecl *TemplateDeclInstantiator::VisitFunctionDecl(FunctionDecl *D, 963a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor TemplateParameterList *TemplateParams) { 964127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor // Check whether there is already a function template specialization for 965127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor // this declaration. 966127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor FunctionTemplateDecl *FunctionTemplate = D->getDescribedFunctionTemplate(); 967127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor void *InsertPos = 0; 968b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (FunctionTemplate && !TemplateParams) { 96924bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor std::pair<const TemplateArgument *, unsigned> Innermost 97024bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor = TemplateArgs.getInnermost(); 9711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9722c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis FunctionDecl *SpecFunc 9732c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis = FunctionTemplate->findSpecialization(Innermost.first, Innermost.second, 9742c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis InsertPos); 9751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 976127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor // If we already have a function template specialization, return it. 9772c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis if (SpecFunc) 9782c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis return SpecFunc; 979127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor } 9801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 981b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall bool isFriend; 982b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (FunctionTemplate) 983b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall isFriend = (FunctionTemplate->getFriendObjectKind() != Decl::FOK_None); 984b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall else 985b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall isFriend = (D->getFriendObjectKind() != Decl::FOK_None); 986b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall 98779c2278a66d8fc0943774d1b7c71a32f7764e1e2Douglas Gregor bool MergeWithParentScope = (TemplateParams != 0) || 988b212d9a8e10308cde5b7a1ce07bd59d8df14fa06Douglas Gregor Owner->isFunctionOrMethod() || 98979c2278a66d8fc0943774d1b7c71a32f7764e1e2Douglas Gregor !(isa<Decl>(Owner) && 99079c2278a66d8fc0943774d1b7c71a32f7764e1e2Douglas Gregor cast<Decl>(Owner)->isDefinedOutsideFunctionOrMethod()); 9912a7fb27913999d132cf9e10e03dc5271faa2e9d3John McCall LocalInstantiationScope Scope(SemaRef, MergeWithParentScope); 9921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 993e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor llvm::SmallVector<ParmVarDecl *, 4> Params; 99421ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall TypeSourceInfo *TInfo = D->getTypeSourceInfo(); 99521ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall TInfo = SubstFunctionType(D, Params); 99621ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall if (!TInfo) 9972dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor return 0; 99821ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall QualType T = TInfo->getType(); 999fd810b1386ed29b250e7d522ea826a65c815e49dJohn McCall 1000d325daa506338ab86f9dd468b48fd010673f49a6John McCall NestedNameSpecifier *Qualifier = D->getQualifier(); 1001d325daa506338ab86f9dd468b48fd010673f49a6John McCall if (Qualifier) { 1002d325daa506338ab86f9dd468b48fd010673f49a6John McCall Qualifier = SemaRef.SubstNestedNameSpecifier(Qualifier, 1003d325daa506338ab86f9dd468b48fd010673f49a6John McCall D->getQualifierRange(), 1004d325daa506338ab86f9dd468b48fd010673f49a6John McCall TemplateArgs); 1005d325daa506338ab86f9dd468b48fd010673f49a6John McCall if (!Qualifier) return 0; 1006d325daa506338ab86f9dd468b48fd010673f49a6John McCall } 1007d325daa506338ab86f9dd468b48fd010673f49a6John McCall 100868b6b87b6beb7922fc2c8ab923ba2ce125490363John McCall // If we're instantiating a local function declaration, put the result 100968b6b87b6beb7922fc2c8ab923ba2ce125490363John McCall // in the owner; otherwise we need to find the instantiated context. 101068b6b87b6beb7922fc2c8ab923ba2ce125490363John McCall DeclContext *DC; 101168b6b87b6beb7922fc2c8ab923ba2ce125490363John McCall if (D->getDeclContext()->isFunctionOrMethod()) 101268b6b87b6beb7922fc2c8ab923ba2ce125490363John McCall DC = Owner; 1013d325daa506338ab86f9dd468b48fd010673f49a6John McCall else if (isFriend && Qualifier) { 1014d325daa506338ab86f9dd468b48fd010673f49a6John McCall CXXScopeSpec SS; 1015d325daa506338ab86f9dd468b48fd010673f49a6John McCall SS.setScopeRep(Qualifier); 1016d325daa506338ab86f9dd468b48fd010673f49a6John McCall SS.setRange(D->getQualifierRange()); 1017d325daa506338ab86f9dd468b48fd010673f49a6John McCall DC = SemaRef.computeDeclContext(SS); 1018d325daa506338ab86f9dd468b48fd010673f49a6John McCall if (!DC) return 0; 1019d325daa506338ab86f9dd468b48fd010673f49a6John McCall } else { 10207c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor DC = SemaRef.FindInstantiatedContext(D->getLocation(), D->getDeclContext(), 10217c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor TemplateArgs); 1022d325daa506338ab86f9dd468b48fd010673f49a6John McCall } 102368b6b87b6beb7922fc2c8ab923ba2ce125490363John McCall 102402cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall FunctionDecl *Function = 10251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FunctionDecl::Create(SemaRef.Context, DC, D->getLocation(), 102621ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall D->getDeclName(), T, TInfo, 102716573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor D->getStorageClass(), D->getStorageClassAsWritten(), 10280130f3cc4ccd5f46361c48d5fe94133d74619424Douglas Gregor D->isInlineSpecified(), D->hasWrittenPrototype()); 1029b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 1030d325daa506338ab86f9dd468b48fd010673f49a6John McCall if (Qualifier) 1031d325daa506338ab86f9dd468b48fd010673f49a6John McCall Function->setQualifierInfo(Qualifier, D->getQualifierRange()); 1032b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 1033b1a56e767cfb645fcb25027ab728dd5824d92615John McCall DeclContext *LexicalDC = Owner; 1034b1a56e767cfb645fcb25027ab728dd5824d92615John McCall if (!isFriend && D->isOutOfLine()) { 1035b1a56e767cfb645fcb25027ab728dd5824d92615John McCall assert(D->getDeclContext()->isFileContext()); 1036b1a56e767cfb645fcb25027ab728dd5824d92615John McCall LexicalDC = D->getDeclContext(); 1037b1a56e767cfb645fcb25027ab728dd5824d92615John McCall } 1038b1a56e767cfb645fcb25027ab728dd5824d92615John McCall 1039b1a56e767cfb645fcb25027ab728dd5824d92615John McCall Function->setLexicalDeclContext(LexicalDC); 10401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1041e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor // Attach the parameters 1042e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor for (unsigned P = 0; P < Params.size(); ++P) 1043e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor Params[P]->setOwningFunction(Function); 1044838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor Function->setParams(Params.data(), Params.size()); 104502cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall 1046ac7c2c8a9d47df7d652364af3043c41816a18fa4Douglas Gregor SourceLocation InstantiateAtPOI; 1047a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor if (TemplateParams) { 1048a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // Our resulting instantiation is actually a function template, since we 1049a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // are substituting only the outer template parameters. For example, given 1050a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // 1051a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // template<typename T> 1052a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // struct X { 1053a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // template<typename U> friend void f(T, U); 1054a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // }; 1055a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // 1056a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // X<int> x; 1057a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // 1058a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // We are instantiating the friend function template "f" within X<int>, 1059a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // which means substituting int for T, but leaving "f" as a friend function 1060a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // template. 1061a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // Build the function template itself. 1062d325daa506338ab86f9dd468b48fd010673f49a6John McCall FunctionTemplate = FunctionTemplateDecl::Create(SemaRef.Context, DC, 1063a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor Function->getLocation(), 1064a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor Function->getDeclName(), 1065a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor TemplateParams, Function); 1066a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor Function->setDescribedFunctionTemplate(FunctionTemplate); 1067b1a56e767cfb645fcb25027ab728dd5824d92615John McCall 1068b1a56e767cfb645fcb25027ab728dd5824d92615John McCall FunctionTemplate->setLexicalDeclContext(LexicalDC); 1069d325daa506338ab86f9dd468b48fd010673f49a6John McCall 1070d325daa506338ab86f9dd468b48fd010673f49a6John McCall if (isFriend && D->isThisDeclarationADefinition()) { 1071d325daa506338ab86f9dd468b48fd010673f49a6John McCall // TODO: should we remember this connection regardless of whether 1072d325daa506338ab86f9dd468b48fd010673f49a6John McCall // the friend declaration provided a body? 1073d325daa506338ab86f9dd468b48fd010673f49a6John McCall FunctionTemplate->setInstantiatedFromMemberTemplate( 1074d325daa506338ab86f9dd468b48fd010673f49a6John McCall D->getDescribedFunctionTemplate()); 1075d325daa506338ab86f9dd468b48fd010673f49a6John McCall } 107666724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor } else if (FunctionTemplate) { 107766724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor // Record this function template specialization. 107824bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor std::pair<const TemplateArgument *, unsigned> Innermost 107924bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor = TemplateArgs.getInnermost(); 1080838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor Function->setFunctionTemplateSpecialization(FunctionTemplate, 108124bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor new (SemaRef.Context) TemplateArgumentList(SemaRef.Context, 108224bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor Innermost.first, 108324bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor Innermost.second), 108466724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor InsertPos); 1085d325daa506338ab86f9dd468b48fd010673f49a6John McCall } else if (isFriend && D->isThisDeclarationADefinition()) { 1086d325daa506338ab86f9dd468b48fd010673f49a6John McCall // TODO: should we remember this connection regardless of whether 1087d325daa506338ab86f9dd468b48fd010673f49a6John McCall // the friend declaration provided a body? 1088d325daa506338ab86f9dd468b48fd010673f49a6John McCall Function->setInstantiationOfMemberFunction(D, TSK_ImplicitInstantiation); 108902cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall } 1090a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor 1091e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor if (InitFunctionInstantiation(Function, D)) 1092e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor Function->setInvalidDecl(); 10931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1094e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor bool Redeclaration = false; 1095e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor bool OverloadableAttrRequired = false; 1096af2094e7cecadf36667deb61a83587ffdd979bd3John McCall bool isExplicitSpecialization = false; 1097a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor 10986826314938f8510cd1a6b03b5d032592456ae27bJohn McCall LookupResult Previous(SemaRef, Function->getDeclName(), SourceLocation(), 10996826314938f8510cd1a6b03b5d032592456ae27bJohn McCall Sema::LookupOrdinaryName, Sema::ForRedeclaration); 11006826314938f8510cd1a6b03b5d032592456ae27bJohn McCall 1101af2094e7cecadf36667deb61a83587ffdd979bd3John McCall if (DependentFunctionTemplateSpecializationInfo *Info 1102af2094e7cecadf36667deb61a83587ffdd979bd3John McCall = D->getDependentSpecializationInfo()) { 1103af2094e7cecadf36667deb61a83587ffdd979bd3John McCall assert(isFriend && "non-friend has dependent specialization info?"); 1104af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1105af2094e7cecadf36667deb61a83587ffdd979bd3John McCall // This needs to be set now for future sanity. 1106af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Function->setObjectOfFriendDecl(/*HasPrevious*/ true); 1107af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1108af2094e7cecadf36667deb61a83587ffdd979bd3John McCall // Instantiate the explicit template arguments. 1109af2094e7cecadf36667deb61a83587ffdd979bd3John McCall TemplateArgumentListInfo ExplicitArgs(Info->getLAngleLoc(), 1110af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Info->getRAngleLoc()); 1111af2094e7cecadf36667deb61a83587ffdd979bd3John McCall for (unsigned I = 0, E = Info->getNumTemplateArgs(); I != E; ++I) { 1112af2094e7cecadf36667deb61a83587ffdd979bd3John McCall TemplateArgumentLoc Loc; 1113af2094e7cecadf36667deb61a83587ffdd979bd3John McCall if (SemaRef.Subst(Info->getTemplateArg(I), Loc, TemplateArgs)) 1114af2094e7cecadf36667deb61a83587ffdd979bd3John McCall return 0; 1115af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1116af2094e7cecadf36667deb61a83587ffdd979bd3John McCall ExplicitArgs.addArgument(Loc); 1117af2094e7cecadf36667deb61a83587ffdd979bd3John McCall } 1118af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1119af2094e7cecadf36667deb61a83587ffdd979bd3John McCall // Map the candidate templates to their instantiations. 1120af2094e7cecadf36667deb61a83587ffdd979bd3John McCall for (unsigned I = 0, E = Info->getNumTemplates(); I != E; ++I) { 1121af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Decl *Temp = SemaRef.FindInstantiatedDecl(D->getLocation(), 1122af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Info->getTemplate(I), 1123af2094e7cecadf36667deb61a83587ffdd979bd3John McCall TemplateArgs); 1124af2094e7cecadf36667deb61a83587ffdd979bd3John McCall if (!Temp) return 0; 1125af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1126af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Previous.addDecl(cast<FunctionTemplateDecl>(Temp)); 1127af2094e7cecadf36667deb61a83587ffdd979bd3John McCall } 1128af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1129af2094e7cecadf36667deb61a83587ffdd979bd3John McCall if (SemaRef.CheckFunctionTemplateSpecialization(Function, 1130af2094e7cecadf36667deb61a83587ffdd979bd3John McCall &ExplicitArgs, 1131af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Previous)) 1132af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Function->setInvalidDecl(); 1133af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1134af2094e7cecadf36667deb61a83587ffdd979bd3John McCall isExplicitSpecialization = true; 1135af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1136af2094e7cecadf36667deb61a83587ffdd979bd3John McCall } else if (TemplateParams || !FunctionTemplate) { 1137a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // Look only into the namespace where the friend would be declared to 1138a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // find a previous declaration. This is the innermost enclosing namespace, 1139a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // as described in ActOnFriendFunctionDecl. 11406826314938f8510cd1a6b03b5d032592456ae27bJohn McCall SemaRef.LookupQualifiedName(Previous, DC); 1141a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor 1142a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // In C++, the previous declaration we find might be a tag type 1143a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // (class or enum). In this case, the new declaration will hide the 1144a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // tag type. Note that this does does not apply if we're declaring a 1145a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // typedef (C++ [dcl.typedef]p4). 11466826314938f8510cd1a6b03b5d032592456ae27bJohn McCall if (Previous.isSingleTagDecl()) 11476826314938f8510cd1a6b03b5d032592456ae27bJohn McCall Previous.clear(); 1148a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor } 1149a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor 11509f54ad4381370c6b771424b53d219e661d6d6706John McCall SemaRef.CheckFunctionDeclaration(/*Scope*/ 0, Function, Previous, 1151af2094e7cecadf36667deb61a83587ffdd979bd3John McCall isExplicitSpecialization, Redeclaration, 1152e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor /*FIXME:*/OverloadableAttrRequired); 1153e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor 115476d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall NamedDecl *PrincipalDecl = (TemplateParams 115576d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall ? cast<NamedDecl>(FunctionTemplate) 115676d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall : Function); 115776d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall 1158a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // If the original function was part of a friend declaration, 1159a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // inherit its namespace state and add it to the owner. 1160d325daa506338ab86f9dd468b48fd010673f49a6John McCall if (isFriend) { 11616826314938f8510cd1a6b03b5d032592456ae27bJohn McCall NamedDecl *PrevDecl; 116276d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall if (TemplateParams) 1163a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor PrevDecl = FunctionTemplate->getPreviousDeclaration(); 116476d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall else 1165a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor PrevDecl = Function->getPreviousDeclaration(); 116676d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall 116776d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall PrincipalDecl->setObjectOfFriendDecl(PrevDecl != 0); 116876d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall DC->makeDeclVisibleInContext(PrincipalDecl, /*Recoverable=*/ false); 1169ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif 117077535dfde258765c056ef4c6786ef56cc48f0c76Gabor Greif bool queuedInstantiation = false; 1171ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif 1172238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor if (!SemaRef.getLangOptions().CPlusPlus0x && 1173238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor D->isThisDeclarationADefinition()) { 1174238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor // Check for a function body. 1175238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor const FunctionDecl *Definition = 0; 117606a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis if (Function->hasBody(Definition) && 1177238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor Definition->getTemplateSpecializationKind() == TSK_Undeclared) { 1178238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor SemaRef.Diag(Function->getLocation(), diag::err_redefinition) 1179238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor << Function->getDeclName(); 1180238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor SemaRef.Diag(Definition->getLocation(), diag::note_previous_definition); 1181238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor Function->setInvalidDecl(); 1182238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor } 1183238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor // Check for redefinitions due to other instantiations of this or 1184238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor // a similar friend function. 1185238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor else for (FunctionDecl::redecl_iterator R = Function->redecls_begin(), 1186238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor REnd = Function->redecls_end(); 1187238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor R != REnd; ++R) { 118813a8affbb87cdb869adabe2a6e5998559f2598c4Gabor Greif if (*R == Function) 118913a8affbb87cdb869adabe2a6e5998559f2598c4Gabor Greif continue; 1190ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif switch (R->getFriendObjectKind()) { 1191ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif case Decl::FOK_None: 1192ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif if (!queuedInstantiation && R->isUsed(false)) { 1193ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif if (MemberSpecializationInfo *MSInfo 1194ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif = Function->getMemberSpecializationInfo()) { 1195ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif if (MSInfo->getPointOfInstantiation().isInvalid()) { 1196ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif SourceLocation Loc = R->getLocation(); // FIXME 1197ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif MSInfo->setPointOfInstantiation(Loc); 1198ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif SemaRef.PendingLocalImplicitInstantiations.push_back( 1199ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif std::make_pair(Function, Loc)); 1200ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif queuedInstantiation = true; 1201ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif } 1202ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif } 1203ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif } 1204ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif break; 1205ab297ac4d3f7c078a34c75493b840ef6b5801be3Gabor Greif default: 1206238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor if (const FunctionDecl *RPattern 12076a557d8f6b3d7a747a0b57960d4b86f05ba2e53cGabor Greif = R->getTemplateInstantiationPattern()) 120806a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis if (RPattern->hasBody(RPattern)) { 1209238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor SemaRef.Diag(Function->getLocation(), diag::err_redefinition) 1210238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor << Function->getDeclName(); 12116a557d8f6b3d7a747a0b57960d4b86f05ba2e53cGabor Greif SemaRef.Diag(R->getLocation(), diag::note_previous_definition); 1212238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor Function->setInvalidDecl(); 1213238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor break; 1214238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor } 1215238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor } 1216238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor } 1217238058c372cfb7bdaf489f51171eb1380ebfd6a6Douglas Gregor } 1218a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor } 1219a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor 122076d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall if (Function->isOverloadedOperator() && !DC->isRecord() && 122176d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall PrincipalDecl->isInIdentifierNamespace(Decl::IDNS_Ordinary)) 122276d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall PrincipalDecl->setNonMemberOperator(); 122376d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall 1224e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor return Function; 1225e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor} 12262dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor 1227d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas GregorDecl * 1228d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas GregorTemplateDeclInstantiator::VisitCXXMethodDecl(CXXMethodDecl *D, 1229d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor TemplateParameterList *TemplateParams) { 12306b906869527be40b0d38d755e9ef51b331b88162Douglas Gregor FunctionTemplateDecl *FunctionTemplate = D->getDescribedFunctionTemplate(); 12316b906869527be40b0d38d755e9ef51b331b88162Douglas Gregor void *InsertPos = 0; 1232d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor if (FunctionTemplate && !TemplateParams) { 12331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We are creating a function template specialization from a function 12341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // template. Check whether there is already a function template 1235d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // specialization for this particular set of template arguments. 123624bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor std::pair<const TemplateArgument *, unsigned> Innermost 123724bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor = TemplateArgs.getInnermost(); 12381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12392c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis FunctionDecl *SpecFunc 12402c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis = FunctionTemplate->findSpecialization(Innermost.first, Innermost.second, 12412c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis InsertPos); 12421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12436b906869527be40b0d38d755e9ef51b331b88162Douglas Gregor // If we already have a function template specialization, return it. 12442c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis if (SpecFunc) 12452c853e401ca406d417eb916e867226050e7be06bArgyrios Kyrtzidis return SpecFunc; 12466b906869527be40b0d38d755e9ef51b331b88162Douglas Gregor } 12476b906869527be40b0d38d755e9ef51b331b88162Douglas Gregor 1248b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall bool isFriend; 1249b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (FunctionTemplate) 1250b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall isFriend = (FunctionTemplate->getFriendObjectKind() != Decl::FOK_None); 1251b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall else 1252b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall isFriend = (D->getFriendObjectKind() != Decl::FOK_None); 1253b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall 125479c2278a66d8fc0943774d1b7c71a32f7764e1e2Douglas Gregor bool MergeWithParentScope = (TemplateParams != 0) || 125579c2278a66d8fc0943774d1b7c71a32f7764e1e2Douglas Gregor !(isa<Decl>(Owner) && 125679c2278a66d8fc0943774d1b7c71a32f7764e1e2Douglas Gregor cast<Decl>(Owner)->isDefinedOutsideFunctionOrMethod()); 12572a7fb27913999d132cf9e10e03dc5271faa2e9d3John McCall LocalInstantiationScope Scope(SemaRef, MergeWithParentScope); 125848dd19b19ddb9e105f8cf0bf6f0732ca4e6a385bDouglas Gregor 12590ca20ac8cea99c43d89510f29cf3dc876f9c9111Douglas Gregor llvm::SmallVector<ParmVarDecl *, 4> Params; 126021ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall TypeSourceInfo *TInfo = D->getTypeSourceInfo(); 126121ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall TInfo = SubstFunctionType(D, Params); 126221ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall if (!TInfo) 12632dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor return 0; 126421ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall QualType T = TInfo->getType(); 12652dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor 12665f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor // \brief If the type of this function is not *directly* a function 12675f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor // type, then we're instantiating the a function that was declared 12685f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor // via a typedef, e.g., 12695f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor // 12705f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor // typedef int functype(int, int); 12715f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor // functype func; 12725f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor // 12735f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor // In this case, we'll just go instantiate the ParmVarDecls that we 12745f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor // synthesized in the method declaration. 12755f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor if (!isa<FunctionProtoType>(T)) { 12765f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor assert(!Params.size() && "Instantiating type could not yield parameters"); 12775f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor for (unsigned I = 0, N = D->getNumParams(); I != N; ++I) { 12785f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor ParmVarDecl *P = SemaRef.SubstParmVarDecl(D->getParamDecl(I), 12795f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor TemplateArgs); 12805f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor if (!P) 12815f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor return 0; 12825f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor 12835f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor Params.push_back(P); 12845f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor } 12855f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor } 12865f970eee81372dfc6a1457c3d6d052af04e32a38Douglas Gregor 1287b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall NestedNameSpecifier *Qualifier = D->getQualifier(); 1288b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (Qualifier) { 1289b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall Qualifier = SemaRef.SubstNestedNameSpecifier(Qualifier, 1290b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall D->getQualifierRange(), 1291b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall TemplateArgs); 1292b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (!Qualifier) return 0; 1293b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } 1294b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall 1295b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall DeclContext *DC = Owner; 1296b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (isFriend) { 1297b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (Qualifier) { 1298b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall CXXScopeSpec SS; 1299b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall SS.setScopeRep(Qualifier); 1300b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall SS.setRange(D->getQualifierRange()); 1301b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall DC = SemaRef.computeDeclContext(SS); 1302b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } else { 1303b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall DC = SemaRef.FindInstantiatedContext(D->getLocation(), 1304b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall D->getDeclContext(), 1305b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall TemplateArgs); 1306b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } 1307b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (!DC) return 0; 1308b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } 1309b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall 13102dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor // Build the instantiated method declaration. 1311b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall CXXRecordDecl *Record = cast<CXXRecordDecl>(DC); 1312dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor CXXMethodDecl *Method = 0; 13131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13142577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo NameInfo 13152577743c5650c646fb705df01403707e94f2df04Abramo Bagnara = SemaRef.SubstDeclarationNameInfo(D->getNameInfo(), TemplateArgs); 131617e32f30e2d1eaf6639d3d4e2196a8d7c709fbacDouglas Gregor if (CXXConstructorDecl *Constructor = dyn_cast<CXXConstructorDecl>(D)) { 13171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Method = CXXConstructorDecl::Create(SemaRef.Context, Record, 13182577743c5650c646fb705df01403707e94f2df04Abramo Bagnara NameInfo, T, TInfo, 13191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Constructor->isExplicit(), 132016573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor Constructor->isInlineSpecified(), 132116573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor false); 132217e32f30e2d1eaf6639d3d4e2196a8d7c709fbacDouglas Gregor } else if (CXXDestructorDecl *Destructor = dyn_cast<CXXDestructorDecl>(D)) { 132317e32f30e2d1eaf6639d3d4e2196a8d7c709fbacDouglas Gregor Method = CXXDestructorDecl::Create(SemaRef.Context, Record, 13242577743c5650c646fb705df01403707e94f2df04Abramo Bagnara NameInfo, T, 13252577743c5650c646fb705df01403707e94f2df04Abramo Bagnara Destructor->isInlineSpecified(), 132616573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor false); 132765ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor } else if (CXXConversionDecl *Conversion = dyn_cast<CXXConversionDecl>(D)) { 132865ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor Method = CXXConversionDecl::Create(SemaRef.Context, Record, 13292577743c5650c646fb705df01403707e94f2df04Abramo Bagnara NameInfo, T, TInfo, 13300130f3cc4ccd5f46361c48d5fe94133d74619424Douglas Gregor Conversion->isInlineSpecified(), 133165ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor Conversion->isExplicit()); 1332dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor } else { 13332577743c5650c646fb705df01403707e94f2df04Abramo Bagnara Method = CXXMethodDecl::Create(SemaRef.Context, Record, 13342577743c5650c646fb705df01403707e94f2df04Abramo Bagnara NameInfo, T, TInfo, 133516573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor D->isStatic(), 133616573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor D->getStorageClassAsWritten(), 133716573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor D->isInlineSpecified()); 1338dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor } 13396b906869527be40b0d38d755e9ef51b331b88162Douglas Gregor 1340b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (Qualifier) 1341b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall Method->setQualifierInfo(Qualifier, D->getQualifierRange()); 1342b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 1343d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor if (TemplateParams) { 1344d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // Our resulting instantiation is actually a function template, since we 1345d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // are substituting only the outer template parameters. For example, given 13461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // 1347d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // template<typename T> 1348d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // struct X { 1349d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // template<typename U> void f(T, U); 1350d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // }; 1351d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // 1352d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // X<int> x; 1353d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // 1354d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // We are instantiating the member template "f" within X<int>, which means 1355d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // substituting int for T, but leaving "f" as a member function template. 1356d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // Build the function template itself. 1357d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor FunctionTemplate = FunctionTemplateDecl::Create(SemaRef.Context, Record, 1358d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor Method->getLocation(), 13591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Method->getDeclName(), 1360d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor TemplateParams, Method); 1361b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (isFriend) { 1362b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall FunctionTemplate->setLexicalDeclContext(Owner); 1363b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall FunctionTemplate->setObjectOfFriendDecl(true); 1364b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } else if (D->isOutOfLine()) 13651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FunctionTemplate->setLexicalDeclContext(D->getLexicalDeclContext()); 1366d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor Method->setDescribedFunctionTemplate(FunctionTemplate); 136766724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor } else if (FunctionTemplate) { 136866724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor // Record this function template specialization. 136924bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor std::pair<const TemplateArgument *, unsigned> Innermost 137024bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor = TemplateArgs.getInnermost(); 1371838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor Method->setFunctionTemplateSpecialization(FunctionTemplate, 137224bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor new (SemaRef.Context) TemplateArgumentList(SemaRef.Context, 137324bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor Innermost.first, 137424bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor Innermost.second), 137566724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor InsertPos); 1376b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } else if (!isFriend) { 137766724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor // Record that this is an instantiation of a member function. 13782db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor Method->setInstantiationOfMemberFunction(D, TSK_ImplicitInstantiation); 137966724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor } 138066724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor 13811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If we are instantiating a member function defined 13827caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // out-of-line, the instantiation will have the same lexical 13837caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // context (which will be a namespace scope) as the template. 1384b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (isFriend) { 1385b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall Method->setLexicalDeclContext(Owner); 1386b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall Method->setObjectOfFriendDecl(true); 1387b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } else if (D->isOutOfLine()) 13887caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor Method->setLexicalDeclContext(D->getLexicalDeclContext()); 13891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13905545e166a956a20d7a6b58408e251a1119025485Douglas Gregor // Attach the parameters 13915545e166a956a20d7a6b58408e251a1119025485Douglas Gregor for (unsigned P = 0; P < Params.size(); ++P) 13925545e166a956a20d7a6b58408e251a1119025485Douglas Gregor Params[P]->setOwningFunction(Method); 1393838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor Method->setParams(Params.data(), Params.size()); 13945545e166a956a20d7a6b58408e251a1119025485Douglas Gregor 13955545e166a956a20d7a6b58408e251a1119025485Douglas Gregor if (InitMethodInstantiation(Method, D)) 13965545e166a956a20d7a6b58408e251a1119025485Douglas Gregor Method->setInvalidDecl(); 13972dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor 13982577743c5650c646fb705df01403707e94f2df04Abramo Bagnara LookupResult Previous(SemaRef, NameInfo, Sema::LookupOrdinaryName, 13992577743c5650c646fb705df01403707e94f2df04Abramo Bagnara Sema::ForRedeclaration); 14001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1401b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (!FunctionTemplate || TemplateParams || isFriend) { 1402b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall SemaRef.LookupQualifiedName(Previous, Record); 14031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1404dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor // In C++, the previous declaration we find might be a tag type 1405dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor // (class or enum). In this case, the new declaration will hide the 1406dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor // tag type. Note that this does does not apply if we're declaring a 1407dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor // typedef (C++ [dcl.typedef]p4). 14086826314938f8510cd1a6b03b5d032592456ae27bJohn McCall if (Previous.isSingleTagDecl()) 14096826314938f8510cd1a6b03b5d032592456ae27bJohn McCall Previous.clear(); 1410dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor } 14112dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor 141265ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor bool Redeclaration = false; 141365ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor bool OverloadableAttrRequired = false; 14149f54ad4381370c6b771424b53d219e661d6d6706John McCall SemaRef.CheckFunctionDeclaration(0, Method, Previous, false, Redeclaration, 141565ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor /*FIXME:*/OverloadableAttrRequired); 141665ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor 14174ba3136b3eb9740a07bd61d0ab23ce9a8d894deeDouglas Gregor if (D->isPure()) 14184ba3136b3eb9740a07bd61d0ab23ce9a8d894deeDouglas Gregor SemaRef.CheckPureMethod(Method, SourceRange()); 14194ba3136b3eb9740a07bd61d0ab23ce9a8d894deeDouglas Gregor 142046460a68f6508775e98c19b4bb8454bb471aac24John McCall Method->setAccess(D->getAccess()); 142146460a68f6508775e98c19b4bb8454bb471aac24John McCall 1422b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (FunctionTemplate) { 1423b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall // If there's a function template, let our caller handle it. 1424b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } else if (Method->isInvalidDecl() && !Previous.empty()) { 1425b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall // Don't hide a (potentially) valid declaration with an invalid one. 1426b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } else { 1427b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall NamedDecl *DeclToAdd = (TemplateParams 1428b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall ? cast<NamedDecl>(FunctionTemplate) 1429b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall : Method); 1430b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (isFriend) 1431b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall Record->makeDeclVisibleInContext(DeclToAdd); 1432b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall else 1433b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall Owner->addDecl(DeclToAdd); 1434b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } 1435bbc6454bb98d6a6ecbaafa715222c5db834307f2Argyrios Kyrtzidis 14362dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor return Method; 14372dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor} 14382dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor 1439615c5d4674355ba830b9978f462ca7a8c5d15f85Douglas GregorDecl *TemplateDeclInstantiator::VisitCXXConstructorDecl(CXXConstructorDecl *D) { 1440dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor return VisitCXXMethodDecl(D); 1441615c5d4674355ba830b9978f462ca7a8c5d15f85Douglas Gregor} 1442615c5d4674355ba830b9978f462ca7a8c5d15f85Douglas Gregor 144303b2b07aaef3a585aec13048a33356c7f635de72Douglas GregorDecl *TemplateDeclInstantiator::VisitCXXDestructorDecl(CXXDestructorDecl *D) { 144417e32f30e2d1eaf6639d3d4e2196a8d7c709fbacDouglas Gregor return VisitCXXMethodDecl(D); 144503b2b07aaef3a585aec13048a33356c7f635de72Douglas Gregor} 144603b2b07aaef3a585aec13048a33356c7f635de72Douglas Gregor 1447bb969ed4193e2eadabfaa0dfd0b94312b6146349Douglas GregorDecl *TemplateDeclInstantiator::VisitCXXConversionDecl(CXXConversionDecl *D) { 144865ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor return VisitCXXMethodDecl(D); 1449bb969ed4193e2eadabfaa0dfd0b94312b6146349Douglas Gregor} 1450bb969ed4193e2eadabfaa0dfd0b94312b6146349Douglas Gregor 14516477b69cc93e0a0ff15036d60d604f3544da0f29Douglas GregorParmVarDecl *TemplateDeclInstantiator::VisitParmVarDecl(ParmVarDecl *D) { 1452cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor return SemaRef.SubstParmVarDecl(D, TemplateArgs); 14532dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor} 14542dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor 1455e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCallDecl *TemplateDeclInstantiator::VisitTemplateTypeParmDecl( 1456e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall TemplateTypeParmDecl *D) { 1457e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall // TODO: don't always clone when decls are refcounted. 1458efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor const Type* T = D->getTypeForDecl(); 1459efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor assert(T->isTemplateTypeParmType()); 1460efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor const TemplateTypeParmType *TTPT = T->getAs<TemplateTypeParmType>(); 14611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1462e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall TemplateTypeParmDecl *Inst = 1463e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall TemplateTypeParmDecl::Create(SemaRef.Context, Owner, D->getLocation(), 146471b87e4fa6bfb47107b099135864f9024004a4c9Douglas Gregor TTPT->getDepth() - TemplateArgs.getNumLevels(), 146571b87e4fa6bfb47107b099135864f9024004a4c9Douglas Gregor TTPT->getIndex(),TTPT->getName(), 1466e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall D->wasDeclaredWithTypename(), 1467e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall D->isParameterPack()); 1468e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 14690f8716b7bb25d61a82f699b3975167451f7b5a68Douglas Gregor if (D->hasDefaultArgument()) 14700f8716b7bb25d61a82f699b3975167451f7b5a68Douglas Gregor Inst->setDefaultArgument(D->getDefaultArgumentInfo(), false); 1471e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 1472550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // Introduce this template parameter's instantiation into the instantiation 1473550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // scope. 1474550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal(D, Inst); 1475550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor 1476e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall return Inst; 1477e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall} 1478e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 147933642df30088f2ddb0b22c609523ab8df9dff595Douglas GregorDecl *TemplateDeclInstantiator::VisitNonTypeTemplateParmDecl( 148033642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor NonTypeTemplateParmDecl *D) { 148133642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor // Substitute into the type of the non-type template parameter. 148233642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor QualType T; 1483a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = D->getTypeSourceInfo(); 148433642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor if (DI) { 148533642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor DI = SemaRef.SubstType(DI, TemplateArgs, D->getLocation(), 148633642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor D->getDeclName()); 148733642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor if (DI) T = DI->getType(); 148833642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor } else { 148933642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor T = SemaRef.SubstType(D->getType(), TemplateArgs, D->getLocation(), 149033642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor D->getDeclName()); 149133642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor DI = 0; 149233642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor } 149333642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor if (T.isNull()) 149433642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor return 0; 149533642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor 149633642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor // Check that this type is acceptable for a non-type template parameter. 149733642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor bool Invalid = false; 149833642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor T = SemaRef.CheckNonTypeTemplateParameterType(T, D->getLocation()); 149933642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor if (T.isNull()) { 150033642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor T = SemaRef.Context.IntTy; 150133642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor Invalid = true; 150233642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor } 150333642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor 150433642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor NonTypeTemplateParmDecl *Param 150533642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor = NonTypeTemplateParmDecl::Create(SemaRef.Context, Owner, D->getLocation(), 150671b87e4fa6bfb47107b099135864f9024004a4c9Douglas Gregor D->getDepth() - TemplateArgs.getNumLevels(), 150771b87e4fa6bfb47107b099135864f9024004a4c9Douglas Gregor D->getPosition(), D->getIdentifier(), T, 150871b87e4fa6bfb47107b099135864f9024004a4c9Douglas Gregor DI); 150933642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor if (Invalid) 151033642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor Param->setInvalidDecl(); 151133642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor 1512d92f7a297c0ed3f7d0ebcbb557e1d4c1925b8c72Abramo Bagnara Param->setDefaultArgument(D->getDefaultArgument(), false); 1513550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor 1514550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // Introduce this template parameter's instantiation into the instantiation 1515550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // scope. 1516550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal(D, Param); 151733642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor return Param; 151833642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor} 151933642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor 15200dde18e5a713bc186062ca1ebc9967500b07faeeAnders CarlssonDecl * 15219106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas GregorTemplateDeclInstantiator::VisitTemplateTemplateParmDecl( 15229106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor TemplateTemplateParmDecl *D) { 15239106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor // Instantiate the template parameter list of the template template parameter. 15249106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor TemplateParameterList *TempParams = D->getTemplateParameters(); 15259106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor TemplateParameterList *InstParams; 15269106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor { 15279106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor // Perform the actual substitution of template parameters within a new, 15289106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor // local instantiation scope. 15292a7fb27913999d132cf9e10e03dc5271faa2e9d3John McCall LocalInstantiationScope Scope(SemaRef); 15309106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor InstParams = SubstTemplateParams(TempParams); 15319106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor if (!InstParams) 15329106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor return NULL; 15339106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor } 15349106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor 15359106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor // Build the template template parameter. 15369106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor TemplateTemplateParmDecl *Param 15379106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor = TemplateTemplateParmDecl::Create(SemaRef.Context, Owner, D->getLocation(), 153871b87e4fa6bfb47107b099135864f9024004a4c9Douglas Gregor D->getDepth() - TemplateArgs.getNumLevels(), 153971b87e4fa6bfb47107b099135864f9024004a4c9Douglas Gregor D->getPosition(), D->getIdentifier(), 154071b87e4fa6bfb47107b099135864f9024004a4c9Douglas Gregor InstParams); 1541d92f7a297c0ed3f7d0ebcbb557e1d4c1925b8c72Abramo Bagnara Param->setDefaultArgument(D->getDefaultArgument(), false); 15424469e8a97cdca3725b4f8f366916143113c029acDouglas Gregor 15439106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor // Introduce this template parameter's instantiation into the instantiation 15449106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor // scope. 15459106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal(D, Param); 15469106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor 15479106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor return Param; 15489106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor} 15499106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor 155048c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas GregorDecl *TemplateDeclInstantiator::VisitUsingDirectiveDecl(UsingDirectiveDecl *D) { 155148c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor // Using directives are never dependent, so they require no explicit 155248c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor 155348c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor UsingDirectiveDecl *Inst 155448c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor = UsingDirectiveDecl::Create(SemaRef.Context, Owner, D->getLocation(), 155548c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor D->getNamespaceKeyLocation(), 155648c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor D->getQualifierRange(), D->getQualifier(), 155748c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor D->getIdentLocation(), 155848c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor D->getNominatedNamespace(), 155948c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor D->getCommonAncestor()); 156048c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor Owner->addDecl(Inst); 156148c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor return Inst; 156248c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor} 156348c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor 1564ed97649e9574b9d854fa4d6109c9333ae0993554John McCallDecl *TemplateDeclInstantiator::VisitUsingDecl(UsingDecl *D) { 1565ed97649e9574b9d854fa4d6109c9333ae0993554John McCall // The nested name specifier is non-dependent, so no transformation 1566ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara // is required. The same holds for the name info. 1567ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara DeclarationNameInfo NameInfo = D->getNameInfo(); 1568ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 15699f54ad4381370c6b771424b53d219e661d6d6706John McCall // We only need to do redeclaration lookups if we're in a class 15709f54ad4381370c6b771424b53d219e661d6d6706John McCall // scope (in fact, it's not really even possible in non-class 15719f54ad4381370c6b771424b53d219e661d6d6706John McCall // scopes). 15729f54ad4381370c6b771424b53d219e661d6d6706John McCall bool CheckRedeclaration = Owner->isRecord(); 15739f54ad4381370c6b771424b53d219e661d6d6706John McCall 1574ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara LookupResult Prev(SemaRef, NameInfo, Sema::LookupUsingDeclName, 1575ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara Sema::ForRedeclaration); 15769f54ad4381370c6b771424b53d219e661d6d6706John McCall 1577ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingDecl *NewUD = UsingDecl::Create(SemaRef.Context, Owner, 1578ed97649e9574b9d854fa4d6109c9333ae0993554John McCall D->getNestedNameRange(), 1579ed97649e9574b9d854fa4d6109c9333ae0993554John McCall D->getUsingLocation(), 1580ed97649e9574b9d854fa4d6109c9333ae0993554John McCall D->getTargetNestedNameDecl(), 1581ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara NameInfo, 1582ed97649e9574b9d854fa4d6109c9333ae0993554John McCall D->isTypeName()); 1583ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 1584ed97649e9574b9d854fa4d6109c9333ae0993554John McCall CXXScopeSpec SS; 1585ed97649e9574b9d854fa4d6109c9333ae0993554John McCall SS.setScopeRep(D->getTargetNestedNameDecl()); 1586ed97649e9574b9d854fa4d6109c9333ae0993554John McCall SS.setRange(D->getNestedNameRange()); 15879f54ad4381370c6b771424b53d219e661d6d6706John McCall 15889f54ad4381370c6b771424b53d219e661d6d6706John McCall if (CheckRedeclaration) { 15899f54ad4381370c6b771424b53d219e661d6d6706John McCall Prev.setHideTags(false); 15909f54ad4381370c6b771424b53d219e661d6d6706John McCall SemaRef.LookupQualifiedName(Prev, Owner); 15919f54ad4381370c6b771424b53d219e661d6d6706John McCall 15929f54ad4381370c6b771424b53d219e661d6d6706John McCall // Check for invalid redeclarations. 15939f54ad4381370c6b771424b53d219e661d6d6706John McCall if (SemaRef.CheckUsingDeclRedeclaration(D->getUsingLocation(), 15949f54ad4381370c6b771424b53d219e661d6d6706John McCall D->isTypeName(), SS, 15959f54ad4381370c6b771424b53d219e661d6d6706John McCall D->getLocation(), Prev)) 15969f54ad4381370c6b771424b53d219e661d6d6706John McCall NewUD->setInvalidDecl(); 15979f54ad4381370c6b771424b53d219e661d6d6706John McCall 15989f54ad4381370c6b771424b53d219e661d6d6706John McCall } 15999f54ad4381370c6b771424b53d219e661d6d6706John McCall 16009f54ad4381370c6b771424b53d219e661d6d6706John McCall if (!NewUD->isInvalidDecl() && 16019f54ad4381370c6b771424b53d219e661d6d6706John McCall SemaRef.CheckUsingDeclQualifier(D->getUsingLocation(), SS, 1602ed97649e9574b9d854fa4d6109c9333ae0993554John McCall D->getLocation())) 1603ed97649e9574b9d854fa4d6109c9333ae0993554John McCall NewUD->setInvalidDecl(); 16049f54ad4381370c6b771424b53d219e661d6d6706John McCall 1605ed97649e9574b9d854fa4d6109c9333ae0993554John McCall SemaRef.Context.setInstantiatedFromUsingDecl(NewUD, D); 1606ed97649e9574b9d854fa4d6109c9333ae0993554John McCall NewUD->setAccess(D->getAccess()); 1607ed97649e9574b9d854fa4d6109c9333ae0993554John McCall Owner->addDecl(NewUD); 1608ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 16099f54ad4381370c6b771424b53d219e661d6d6706John McCall // Don't process the shadow decls for an invalid decl. 16109f54ad4381370c6b771424b53d219e661d6d6706John McCall if (NewUD->isInvalidDecl()) 16119f54ad4381370c6b771424b53d219e661d6d6706John McCall return NewUD; 16129f54ad4381370c6b771424b53d219e661d6d6706John McCall 1613323c310efa0abd7a786b0303501186b5f33eb8d7John McCall bool isFunctionScope = Owner->isFunctionOrMethod(); 1614323c310efa0abd7a786b0303501186b5f33eb8d7John McCall 16159f54ad4381370c6b771424b53d219e661d6d6706John McCall // Process the shadow decls. 16169f54ad4381370c6b771424b53d219e661d6d6706John McCall for (UsingDecl::shadow_iterator I = D->shadow_begin(), E = D->shadow_end(); 16179f54ad4381370c6b771424b53d219e661d6d6706John McCall I != E; ++I) { 16189f54ad4381370c6b771424b53d219e661d6d6706John McCall UsingShadowDecl *Shadow = *I; 16199f54ad4381370c6b771424b53d219e661d6d6706John McCall NamedDecl *InstTarget = 16207c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor cast<NamedDecl>(SemaRef.FindInstantiatedDecl(Shadow->getLocation(), 16217c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor Shadow->getTargetDecl(), 16229f54ad4381370c6b771424b53d219e661d6d6706John McCall TemplateArgs)); 16239f54ad4381370c6b771424b53d219e661d6d6706John McCall 16249f54ad4381370c6b771424b53d219e661d6d6706John McCall if (CheckRedeclaration && 16259f54ad4381370c6b771424b53d219e661d6d6706John McCall SemaRef.CheckUsingShadowDecl(NewUD, InstTarget, Prev)) 16269f54ad4381370c6b771424b53d219e661d6d6706John McCall continue; 16279f54ad4381370c6b771424b53d219e661d6d6706John McCall 16289f54ad4381370c6b771424b53d219e661d6d6706John McCall UsingShadowDecl *InstShadow 16299f54ad4381370c6b771424b53d219e661d6d6706John McCall = SemaRef.BuildUsingShadowDecl(/*Scope*/ 0, NewUD, InstTarget); 16309f54ad4381370c6b771424b53d219e661d6d6706John McCall SemaRef.Context.setInstantiatedFromUsingShadowDecl(InstShadow, Shadow); 1631323c310efa0abd7a786b0303501186b5f33eb8d7John McCall 1632323c310efa0abd7a786b0303501186b5f33eb8d7John McCall if (isFunctionScope) 1633323c310efa0abd7a786b0303501186b5f33eb8d7John McCall SemaRef.CurrentInstantiationScope->InstantiatedLocal(Shadow, InstShadow); 16349f54ad4381370c6b771424b53d219e661d6d6706John McCall } 1635ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 1636ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return NewUD; 1637ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 1638ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 1639ed97649e9574b9d854fa4d6109c9333ae0993554John McCallDecl *TemplateDeclInstantiator::VisitUsingShadowDecl(UsingShadowDecl *D) { 16409f54ad4381370c6b771424b53d219e661d6d6706John McCall // Ignore these; we handle them in bulk when processing the UsingDecl. 16419f54ad4381370c6b771424b53d219e661d6d6706John McCall return 0; 1642ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 1643ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 16447ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallDecl * TemplateDeclInstantiator 16457ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall ::VisitUnresolvedUsingTypenameDecl(UnresolvedUsingTypenameDecl *D) { 16467ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall NestedNameSpecifier *NNS = 16477ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall SemaRef.SubstNestedNameSpecifier(D->getTargetNestedNameSpecifier(), 16487ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall D->getTargetNestedNameRange(), 16497ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall TemplateArgs); 16507ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall if (!NNS) 16517ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall return 0; 16527ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall 16537ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall CXXScopeSpec SS; 16547ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall SS.setRange(D->getTargetNestedNameRange()); 16557ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall SS.setScopeRep(NNS); 16567ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall 1657ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara // Since NameInfo refers to a typename, it cannot be a C++ special name. 1658ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara // Hence, no tranformation is required for it. 1659ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara DeclarationNameInfo NameInfo(D->getDeclName(), D->getLocation()); 16607ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall NamedDecl *UD = 16617ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall SemaRef.BuildUsingDeclaration(/*Scope*/ 0, D->getAccess(), 1662ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara D->getUsingLoc(), SS, NameInfo, 0, 16637ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall /*instantiation*/ true, 16647ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall /*typename*/ true, D->getTypenameLoc()); 16654469e8a97cdca3725b4f8f366916143113c029acDouglas Gregor if (UD) 1666ed97649e9574b9d854fa4d6109c9333ae0993554John McCall SemaRef.Context.setInstantiatedFromUsingDecl(cast<UsingDecl>(UD), D); 1667ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 16687ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall return UD; 16697ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall} 16707ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall 16717ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallDecl * TemplateDeclInstantiator 16727ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall ::VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D) { 16731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NestedNameSpecifier *NNS = 16741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SemaRef.SubstNestedNameSpecifier(D->getTargetNestedNameSpecifier(), 16751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump D->getTargetNestedNameRange(), 16760dde18e5a713bc186062ca1ebc9967500b07faeeAnders Carlsson TemplateArgs); 16770dde18e5a713bc186062ca1ebc9967500b07faeeAnders Carlsson if (!NNS) 16780dde18e5a713bc186062ca1ebc9967500b07faeeAnders Carlsson return 0; 16791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16800dde18e5a713bc186062ca1ebc9967500b07faeeAnders Carlsson CXXScopeSpec SS; 16810dde18e5a713bc186062ca1ebc9967500b07faeeAnders Carlsson SS.setRange(D->getTargetNestedNameRange()); 16820dde18e5a713bc186062ca1ebc9967500b07faeeAnders Carlsson SS.setScopeRep(NNS); 16831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1684ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara DeclarationNameInfo NameInfo 1685ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara = SemaRef.SubstDeclarationNameInfo(D->getNameInfo(), TemplateArgs); 1686ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara 16871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NamedDecl *UD = 16889488ea120e093068021f944176c3d610dd540914John McCall SemaRef.BuildUsingDeclaration(/*Scope*/ 0, D->getAccess(), 1689ef3dce817d43faadbf21ce9102d33a9d84b02e09Abramo Bagnara D->getUsingLoc(), SS, NameInfo, 0, 16907ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall /*instantiation*/ true, 16917ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall /*typename*/ false, SourceLocation()); 16924469e8a97cdca3725b4f8f366916143113c029acDouglas Gregor if (UD) 1693ed97649e9574b9d854fa4d6109c9333ae0993554John McCall SemaRef.Context.setInstantiatedFromUsingDecl(cast<UsingDecl>(UD), D); 1694ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 16950d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return UD; 16960dde18e5a713bc186062ca1ebc9967500b07faeeAnders Carlsson} 16970dde18e5a713bc186062ca1ebc9967500b07faeeAnders Carlsson 1698ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCallDecl *Sema::SubstDecl(Decl *D, DeclContext *Owner, 1699d6350aefb1396b299e199c7f1fe51bb40c12e75eDouglas Gregor const MultiLevelTemplateArgumentList &TemplateArgs) { 17007e06390f8a60440d6fc5f0e633acdc2edd8ee924Douglas Gregor TemplateDeclInstantiator Instantiator(*this, Owner, TemplateArgs); 17012fa98001f832836e3f652c211a9d2f80501d659aDouglas Gregor if (D->isInvalidDecl()) 17022fa98001f832836e3f652c211a9d2f80501d659aDouglas Gregor return 0; 17032fa98001f832836e3f652c211a9d2f80501d659aDouglas Gregor 17048dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor return Instantiator.Visit(D); 17058dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor} 17068dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 1707e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall/// \brief Instantiates a nested template parameter list in the current 1708e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall/// instantiation context. 1709e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall/// 1710e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall/// \param L The parameter list to instantiate 1711e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall/// 1712e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall/// \returns NULL if there was an error 1713e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCallTemplateParameterList * 1714ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCallTemplateDeclInstantiator::SubstTemplateParams(TemplateParameterList *L) { 1715e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall // Get errors for all the parameters before bailing out. 1716e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall bool Invalid = false; 1717e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 1718e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall unsigned N = L->size(); 1719bf4ea56cdc376cef5a12abf6bf18dc34805c2226Douglas Gregor typedef llvm::SmallVector<NamedDecl *, 8> ParamVector; 1720e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall ParamVector Params; 1721e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall Params.reserve(N); 1722e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall for (TemplateParameterList::iterator PI = L->begin(), PE = L->end(); 1723e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall PI != PE; ++PI) { 1724bf4ea56cdc376cef5a12abf6bf18dc34805c2226Douglas Gregor NamedDecl *D = cast_or_null<NamedDecl>(Visit(*PI)); 1725e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall Params.push_back(D); 17269148c3f5829f4d031249faeb1043e7be914539e8Douglas Gregor Invalid = Invalid || !D || D->isInvalidDecl(); 1727e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall } 1728e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 1729e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall // Clean up if we had an error. 1730ff331c15729f7d4439d253c97f4d60f2a7ffd0c6Douglas Gregor if (Invalid) 1731e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall return NULL; 1732e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 1733e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall TemplateParameterList *InstL 1734e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall = TemplateParameterList::Create(SemaRef.Context, L->getTemplateLoc(), 1735e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall L->getLAngleLoc(), &Params.front(), N, 1736e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall L->getRAngleLoc()); 1737e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall return InstL; 17381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump} 1739e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 1740ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// \brief Instantiate the declaration of a class template partial 1741ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// specialization. 1742ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// 1743ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// \param ClassTemplate the (instantiated) class template that is partially 1744ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor// specialized by the instantiation of \p PartialSpec. 1745ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// 1746ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// \param PartialSpec the (uninstantiated) class template partial 1747ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// specialization that we are instantiating. 1748ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// 1749ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// \returns true if there was an error, false otherwise. 1750ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregorbool 1751ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas GregorTemplateDeclInstantiator::InstantiateClassTemplatePartialSpecialization( 1752ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplateDecl *ClassTemplate, 1753ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplatePartialSpecializationDecl *PartialSpec) { 1754550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // Create a local instantiation scope for this class template partial 1755550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // specialization, which will contain the instantiations of the template 1756550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // parameters. 17572a7fb27913999d132cf9e10e03dc5271faa2e9d3John McCall LocalInstantiationScope Scope(SemaRef); 1758550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor 1759ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Substitute into the template parameters of the class template partial 1760ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // specialization. 1761ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor TemplateParameterList *TempParams = PartialSpec->getTemplateParameters(); 1762ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor TemplateParameterList *InstParams = SubstTemplateParams(TempParams); 1763ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor if (!InstParams) 1764ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return true; 1765ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1766ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Substitute into the template arguments of the class template partial 1767ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // specialization. 1768833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const TemplateArgumentLoc *PartialSpecTemplateArgs 1769833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall = PartialSpec->getTemplateArgsAsWritten(); 1770833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall unsigned N = PartialSpec->getNumTemplateArgsAsWritten(); 1771833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 1772d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall TemplateArgumentListInfo InstTemplateArgs; // no angle locations 1773833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall for (unsigned I = 0; I != N; ++I) { 1774d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall TemplateArgumentLoc Loc; 1775d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall if (SemaRef.Subst(PartialSpecTemplateArgs[I], Loc, TemplateArgs)) 1776ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return true; 1777d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall InstTemplateArgs.addArgument(Loc); 1778ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor } 1779ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1780ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1781ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Check that the template argument list is well-formed for this 1782ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // class template. 1783ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor TemplateArgumentListBuilder Converted(ClassTemplate->getTemplateParameters(), 1784ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor InstTemplateArgs.size()); 1785ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor if (SemaRef.CheckTemplateArgumentList(ClassTemplate, 1786ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor PartialSpec->getLocation(), 1787d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall InstTemplateArgs, 1788ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor false, 1789ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor Converted)) 1790ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return true; 1791ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1792ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Figure out where to insert this class template partial specialization 1793ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // in the member template's set of class template partial specializations. 1794ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor void *InsertPos = 0; 1795ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplateSpecializationDecl *PrevDecl 1796cc0b1bc979b650a8a8b34b2032a074fd7724a90dArgyrios Kyrtzidis = ClassTemplate->findPartialSpecialization(Converted.getFlatArguments(), 1797cc0b1bc979b650a8a8b34b2032a074fd7724a90dArgyrios Kyrtzidis Converted.flatSize(), InsertPos); 1798ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1799ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Build the canonical type that describes the converted template 1800ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // arguments of the class template partial specialization. 1801ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor QualType CanonType 1802ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor = SemaRef.Context.getTemplateSpecializationType(TemplateName(ClassTemplate), 1803ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor Converted.getFlatArguments(), 1804ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor Converted.flatSize()); 1805ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1806ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Build the fully-sugared type for this class template 1807ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // specialization as the user wrote in the specialization 1808ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // itself. This means that we'll pretty-print the type retrieved 1809ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // from the specialization's declaration the way that the user 1810ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // actually wrote the specialization, rather than formatting the 1811ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // name based on the "canonical" representation used to store the 1812ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // template arguments in the specialization. 18133cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TypeSourceInfo *WrittenTy 18143cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall = SemaRef.Context.getTemplateSpecializationTypeInfo( 18153cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TemplateName(ClassTemplate), 18163cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall PartialSpec->getLocation(), 1817d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall InstTemplateArgs, 1818ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor CanonType); 1819ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1820ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor if (PrevDecl) { 1821ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // We've already seen a partial specialization with the same template 1822ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // parameters and template arguments. This can happen, for example, when 1823ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // substituting the outer template arguments ends up causing two 1824ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // class template partial specializations of a member class template 1825ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // to have identical forms, e.g., 1826ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // 1827ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // template<typename T, typename U> 1828ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // struct Outer { 1829ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // template<typename X, typename Y> struct Inner; 1830ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // template<typename Y> struct Inner<T, Y>; 1831ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // template<typename Y> struct Inner<U, Y>; 1832ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // }; 1833ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // 1834ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Outer<int, int> outer; // error: the partial specializations of Inner 1835ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // // have the same signature. 1836ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor SemaRef.Diag(PartialSpec->getLocation(), diag::err_partial_spec_redeclared) 1837ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor << WrittenTy; 1838ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor SemaRef.Diag(PrevDecl->getLocation(), diag::note_prev_partial_spec_here) 1839ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor << SemaRef.Context.getTypeDeclType(PrevDecl); 1840ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return true; 1841ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor } 1842ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1843ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1844ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Create the class template partial specialization declaration. 1845ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplatePartialSpecializationDecl *InstPartialSpec 184613c8577201e4fc0ddac5f09d05fd1778832137d1Douglas Gregor = ClassTemplatePartialSpecializationDecl::Create(SemaRef.Context, 184713c8577201e4fc0ddac5f09d05fd1778832137d1Douglas Gregor PartialSpec->getTagKind(), 184813c8577201e4fc0ddac5f09d05fd1778832137d1Douglas Gregor Owner, 1849ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor PartialSpec->getLocation(), 1850ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor InstParams, 1851ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplate, 1852ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor Converted, 1853d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall InstTemplateArgs, 18543cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall CanonType, 1855dc60c1eb4acbde6edcec9760de92f9098593d915Douglas Gregor 0, 1856cc0b1bc979b650a8a8b34b2032a074fd7724a90dArgyrios Kyrtzidis ClassTemplate->getNextPartialSpecSequenceNumber()); 1857b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Substitute the nested name specifier, if any. 1858b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (SubstQualifier(PartialSpec, InstPartialSpec)) 1859b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall return 0; 1860b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 1861ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor InstPartialSpec->setInstantiatedFromMember(PartialSpec); 18624469e8a97cdca3725b4f8f366916143113c029acDouglas Gregor InstPartialSpec->setTypeAsWritten(WrittenTy); 18634469e8a97cdca3725b4f8f366916143113c029acDouglas Gregor 1864ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Add this partial specialization to the set of class template partial 1865ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // specializations. 1866cc0b1bc979b650a8a8b34b2032a074fd7724a90dArgyrios Kyrtzidis ClassTemplate->AddPartialSpecialization(InstPartialSpec, InsertPos); 1867ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return false; 1868ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor} 1869ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 187021ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCallTypeSourceInfo* 187121ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCallTemplateDeclInstantiator::SubstFunctionType(FunctionDecl *D, 187221ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall llvm::SmallVectorImpl<ParmVarDecl *> &Params) { 187321ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall TypeSourceInfo *OldTInfo = D->getTypeSourceInfo(); 187421ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall assert(OldTInfo && "substituting function without type source info"); 187521ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall assert(Params.empty() && "parameter vector is non-empty at start"); 18766cd3b9fb8a29bb70fff01719bdde238723d67c10John McCall TypeSourceInfo *NewTInfo 18776cd3b9fb8a29bb70fff01719bdde238723d67c10John McCall = SemaRef.SubstFunctionDeclType(OldTInfo, TemplateArgs, 18786cd3b9fb8a29bb70fff01719bdde238723d67c10John McCall D->getTypeSpecStartLoc(), 18796cd3b9fb8a29bb70fff01719bdde238723d67c10John McCall D->getDeclName()); 188021ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall if (!NewTInfo) 188121ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall return 0; 18825545e166a956a20d7a6b58408e251a1119025485Douglas Gregor 1883cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor if (NewTInfo != OldTInfo) { 1884cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor // Get parameters from the new type info. 1885895162da2d52f4243f61081d7436de66af4503fcDouglas Gregor TypeLoc OldTL = OldTInfo->getTypeLoc(); 18866920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor if (FunctionProtoTypeLoc *OldProtoLoc 18876920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor = dyn_cast<FunctionProtoTypeLoc>(&OldTL)) { 18886920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor TypeLoc NewTL = NewTInfo->getTypeLoc(); 18896920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor FunctionProtoTypeLoc *NewProtoLoc = cast<FunctionProtoTypeLoc>(&NewTL); 18906920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor assert(NewProtoLoc && "Missing prototype?"); 18916920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor for (unsigned i = 0, i_end = NewProtoLoc->getNumArgs(); i != i_end; ++i) { 18926920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor // FIXME: Variadic templates will break this. 18936920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor Params.push_back(NewProtoLoc->getArg(i)); 18946920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal( 1895895162da2d52f4243f61081d7436de66af4503fcDouglas Gregor OldProtoLoc->getArg(i), 1896895162da2d52f4243f61081d7436de66af4503fcDouglas Gregor NewProtoLoc->getArg(i)); 18976920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor } 1898895162da2d52f4243f61081d7436de66af4503fcDouglas Gregor } 1899cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor } else { 1900cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor // The function type itself was not dependent and therefore no 1901cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor // substitution occurred. However, we still need to instantiate 1902cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor // the function parameters themselves. 1903cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor TypeLoc OldTL = OldTInfo->getTypeLoc(); 19046920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor if (FunctionProtoTypeLoc *OldProtoLoc 19056920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor = dyn_cast<FunctionProtoTypeLoc>(&OldTL)) { 19066920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor for (unsigned i = 0, i_end = OldProtoLoc->getNumArgs(); i != i_end; ++i) { 19076920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor ParmVarDecl *Parm = VisitParmVarDecl(OldProtoLoc->getArg(i)); 19086920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor if (!Parm) 19096920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor return 0; 19106920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor Params.push_back(Parm); 19116920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor } 1912cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor } 1913cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor } 191421ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall return NewTInfo; 19155545e166a956a20d7a6b58408e251a1119025485Douglas Gregor} 19165545e166a956a20d7a6b58408e251a1119025485Douglas Gregor 19171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// \brief Initializes the common fields of an instantiation function 1918e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor/// declaration (New) from the corresponding fields of its template (Tmpl). 1919e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor/// 1920e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor/// \returns true if there was an error 19211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpbool 19221eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateDeclInstantiator::InitFunctionInstantiation(FunctionDecl *New, 1923e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor FunctionDecl *Tmpl) { 1924e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor if (Tmpl->isDeleted()) 1925e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor New->setDeleted(); 19261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1927cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor // If we are performing substituting explicitly-specified template arguments 1928cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor // or deduced template arguments into a function template and we reach this 1929cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor // point, we are now past the point where SFINAE applies and have committed 19301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // to keeping the new function template specialization. We therefore 19311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // convert the active template instantiation for the function template 1932cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor // into a template instantiation for this specific function template 1933cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor // specialization, which is not a SFINAE context, so that we diagnose any 1934cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor // further errors in the declaration itself. 1935cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor typedef Sema::ActiveTemplateInstantiation ActiveInstType; 1936cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor ActiveInstType &ActiveInst = SemaRef.ActiveTemplateInstantiations.back(); 1937cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor if (ActiveInst.Kind == ActiveInstType::ExplicitTemplateArgumentSubstitution || 1938cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor ActiveInst.Kind == ActiveInstType::DeducedTemplateArgumentSubstitution) { 19391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionTemplateDecl *FunTmpl 1940cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor = dyn_cast<FunctionTemplateDecl>((Decl *)ActiveInst.Entity)) { 19411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(FunTmpl->getTemplatedDecl() == Tmpl && 1942cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor "Deduction from the wrong function template?"); 1943bcbb8bd3326a86aa70b7df386ae3c86c9ad255c5Daniel Dunbar (void) FunTmpl; 1944cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor ActiveInst.Kind = ActiveInstType::TemplateInstantiation; 1945cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor ActiveInst.Entity = reinterpret_cast<uintptr_t>(New); 1946f35f828f9883123772a9731af190a608f3236ef4Douglas Gregor --SemaRef.NonInstantiationEntries; 1947cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor } 1948cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor } 19491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19500ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor const FunctionProtoType *Proto = Tmpl->getType()->getAs<FunctionProtoType>(); 19510ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor assert(Proto && "Function template without prototype?"); 19520ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor 19530ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor if (Proto->hasExceptionSpec() || Proto->hasAnyExceptionSpec() || 19540ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor Proto->getNoReturnAttr()) { 19550ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor // The function has an exception specification or a "noreturn" 19560ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor // attribute. Substitute into each of the exception types. 19570ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor llvm::SmallVector<QualType, 4> Exceptions; 19580ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor for (unsigned I = 0, N = Proto->getNumExceptions(); I != N; ++I) { 19590ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor // FIXME: Poor location information! 19600ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor QualType T 19610ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor = SemaRef.SubstType(Proto->getExceptionType(I), TemplateArgs, 19620ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor New->getLocation(), New->getDeclName()); 19630ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor if (T.isNull() || 19640ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor SemaRef.CheckSpecifiedExceptionType(T, New->getLocation())) 19650ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor continue; 19660ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor 19670ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor Exceptions.push_back(T); 19680ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor } 19690ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor 19700ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor // Rebuild the function type 19710ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor 19720ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor const FunctionProtoType *NewProto 19730ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor = New->getType()->getAs<FunctionProtoType>(); 19740ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor assert(NewProto && "Template instantiation without function prototype?"); 19750ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor New->setType(SemaRef.Context.getFunctionType(NewProto->getResultType(), 19760ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor NewProto->arg_type_begin(), 19770ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor NewProto->getNumArgs(), 19780ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor NewProto->isVariadic(), 19790ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor NewProto->getTypeQuals(), 19800ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor Proto->hasExceptionSpec(), 19810ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor Proto->hasAnyExceptionSpec(), 19820ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor Exceptions.size(), 19830ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor Exceptions.data(), 1984264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Proto->getExtInfo())); 19850ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor } 19860ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor 19871d8d1ccd36888f1120b3a1df9e76f35dc2edb81dJohn McCall SemaRef.InstantiateAttrs(TemplateArgs, Tmpl, New); 19887cf84d66965a7706004d8590b5af5fe54b85f525Douglas Gregor 1989e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor return false; 1990e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor} 1991e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor 19925545e166a956a20d7a6b58408e251a1119025485Douglas Gregor/// \brief Initializes common fields of an instantiated method 19935545e166a956a20d7a6b58408e251a1119025485Douglas Gregor/// declaration (New) from the corresponding fields of its template 19945545e166a956a20d7a6b58408e251a1119025485Douglas Gregor/// (Tmpl). 19955545e166a956a20d7a6b58408e251a1119025485Douglas Gregor/// 19965545e166a956a20d7a6b58408e251a1119025485Douglas Gregor/// \returns true if there was an error 19971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpbool 19981eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateDeclInstantiator::InitMethodInstantiation(CXXMethodDecl *New, 19995545e166a956a20d7a6b58408e251a1119025485Douglas Gregor CXXMethodDecl *Tmpl) { 2000e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor if (InitFunctionInstantiation(New, Tmpl)) 2001e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor return true; 20021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20035545e166a956a20d7a6b58408e251a1119025485Douglas Gregor CXXRecordDecl *Record = cast<CXXRecordDecl>(Owner); 20045545e166a956a20d7a6b58408e251a1119025485Douglas Gregor New->setAccess(Tmpl->getAccess()); 2005e7184df728bb339633d88c774b5097dd9318cc8aFariborz Jahanian if (Tmpl->isVirtualAsWritten()) 2006e7184df728bb339633d88c774b5097dd9318cc8aFariborz Jahanian Record->setMethodAsVirtual(New); 20075545e166a956a20d7a6b58408e251a1119025485Douglas Gregor 20085545e166a956a20d7a6b58408e251a1119025485Douglas Gregor // FIXME: attributes 20095545e166a956a20d7a6b58408e251a1119025485Douglas Gregor // FIXME: New needs a pointer to Tmpl 20105545e166a956a20d7a6b58408e251a1119025485Douglas Gregor return false; 20115545e166a956a20d7a6b58408e251a1119025485Douglas Gregor} 2012a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor 2013a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor/// \brief Instantiate the definition of the given function from its 2014a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor/// template. 2015a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor/// 2016b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// \param PointOfInstantiation the point at which the instantiation was 2017b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// required. Note that this is not precisely a "point of instantiation" 2018b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// for the function, but it's close. 2019b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// 2020a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor/// \param Function the already-instantiated declaration of a 2021b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// function template specialization or member function of a class template 2022b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// specialization. 2023b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// 2024b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// \param Recursive if true, recursively instantiates any functions that 2025b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// are required by this instantiation. 2026e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor/// 2027e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor/// \param DefinitionRequired if true, then we are performing an explicit 2028e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor/// instantiation where the body of the function is required. Complain if 2029e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor/// there is no such body. 2030f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregorvoid Sema::InstantiateFunctionDefinition(SourceLocation PointOfInstantiation, 2031b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor FunctionDecl *Function, 2032e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor bool Recursive, 2033e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor bool DefinitionRequired) { 203406a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis if (Function->isInvalidDecl() || Function->hasBody()) 203554dabfca850ca9e60e9ffb60003529f868d4d127Douglas Gregor return; 203654dabfca850ca9e60e9ffb60003529f868d4d127Douglas Gregor 2037251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor // Never instantiate an explicit specialization. 2038251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor if (Function->getTemplateSpecializationKind() == TSK_ExplicitSpecialization) 2039251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return; 20406cfacfe54c75baa4d67f1fbdf4f80644b662818eDouglas Gregor 20411eee0e753fb390b04848846e837714ec774b7bfdDouglas Gregor // Find the function body that we'll be substituting. 20423b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor const FunctionDecl *PatternDecl = Function->getTemplateInstantiationPattern(); 20431eee0e753fb390b04848846e837714ec774b7bfdDouglas Gregor Stmt *Pattern = 0; 20441eee0e753fb390b04848846e837714ec774b7bfdDouglas Gregor if (PatternDecl) 20456fb0aee4f9dc261bbec72e1283ad8dc0557a6d96Argyrios Kyrtzidis Pattern = PatternDecl->getBody(PatternDecl); 20461eee0e753fb390b04848846e837714ec774b7bfdDouglas Gregor 2047e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor if (!Pattern) { 2048e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor if (DefinitionRequired) { 2049e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor if (Function->getPrimaryTemplate()) 2050e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor Diag(PointOfInstantiation, 2051e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor diag::err_explicit_instantiation_undefined_func_template) 2052e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor << Function->getPrimaryTemplate(); 2053e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor else 2054e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor Diag(PointOfInstantiation, 2055e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor diag::err_explicit_instantiation_undefined_member) 2056e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor << 1 << Function->getDeclName() << Function->getDeclContext(); 2057e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor 2058e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor if (PatternDecl) 2059e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor Diag(PatternDecl->getLocation(), 2060e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor diag::note_explicit_instantiation_here); 2061cfe833be882f600206f1587f157b025b368497d7Douglas Gregor Function->setInvalidDecl(); 206258e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth } else if (Function->getTemplateSpecializationKind() 206358e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth == TSK_ExplicitInstantiationDefinition) { 206462c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth PendingInstantiations.push_back( 206558e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth std::make_pair(Function, PointOfInstantiation)); 2066e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor } 206758e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth 20681eee0e753fb390b04848846e837714ec774b7bfdDouglas Gregor return; 2069e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor } 20701eee0e753fb390b04848846e837714ec774b7bfdDouglas Gregor 2071d0e3daf2b980b505e535d35b432c938c6d0208efDouglas Gregor // C++0x [temp.explicit]p9: 2072d0e3daf2b980b505e535d35b432c938c6d0208efDouglas Gregor // Except for inline functions, other explicit instantiation declarations 20731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // have the effect of suppressing the implicit instantiation of the entity 2074d0e3daf2b980b505e535d35b432c938c6d0208efDouglas Gregor // to which they refer. 20751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (Function->getTemplateSpecializationKind() 2076d0e3daf2b980b505e535d35b432c938c6d0208efDouglas Gregor == TSK_ExplicitInstantiationDeclaration && 20777ced9c8529b734e313f62a3b81189d6f402f6713Douglas Gregor !PatternDecl->isInlined()) 2078d0e3daf2b980b505e535d35b432c938c6d0208efDouglas Gregor return; 20791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2080f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregor InstantiatingTemplate Inst(*this, PointOfInstantiation, Function); 2081f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregor if (Inst) 2082e7089b0c6ffe8a8854150b60df00fb544099f77dDouglas Gregor return; 2083e7089b0c6ffe8a8854150b60df00fb544099f77dDouglas Gregor 2084b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor // If we're performing recursive template instantiation, create our own 2085b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor // queue of pending implicit instantiations that we will instantiate later, 2086b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor // while we're still within our own instantiation context. 208762c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth std::deque<PendingImplicitInstantiation> SavedPendingInstantiations; 2088b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor if (Recursive) 208962c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth PendingInstantiations.swap(SavedPendingInstantiations); 20901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20919679cafc6368cceed1a5e69d3038d0316401b352Douglas Gregor EnterExpressionEvaluationContext EvalContext(*this, 2092f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall Sema::PotentiallyEvaluated); 2093d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall ActOnStartOfFunctionDef(0, Function); 2094e2c31ff0bc622e6fd7d47d7e08b53840f3be6c89Douglas Gregor 209554dabfca850ca9e60e9ffb60003529f868d4d127Douglas Gregor // Introduce a new scope where local variable instantiations will be 209660406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor // recorded, unless we're actually a member function within a local 209760406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor // class, in which case we need to merge our results with the parent 209860406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor // scope (of the enclosing function). 209960406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor bool MergeWithParentScope = false; 210060406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor if (CXXRecordDecl *Rec = dyn_cast<CXXRecordDecl>(Function->getDeclContext())) 210160406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor MergeWithParentScope = Rec->isLocalClass(); 210260406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor 210360406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor LocalInstantiationScope Scope(*this, MergeWithParentScope); 21041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 210554dabfca850ca9e60e9ffb60003529f868d4d127Douglas Gregor // Introduce the instantiated function parameters into the local 21068a6c0f1a48b8167ca1457c9f05288fa637033dc9Peter Collingbourne // instantiation scope, and set the parameter names to those used 21078a6c0f1a48b8167ca1457c9f05288fa637033dc9Peter Collingbourne // in the template. 21088a6c0f1a48b8167ca1457c9f05288fa637033dc9Peter Collingbourne for (unsigned I = 0, N = PatternDecl->getNumParams(); I != N; ++I) { 21098a6c0f1a48b8167ca1457c9f05288fa637033dc9Peter Collingbourne const ParmVarDecl *PatternParam = PatternDecl->getParamDecl(I); 21108a6c0f1a48b8167ca1457c9f05288fa637033dc9Peter Collingbourne ParmVarDecl *FunctionParam = Function->getParamDecl(I); 21118a6c0f1a48b8167ca1457c9f05288fa637033dc9Peter Collingbourne FunctionParam->setDeclName(PatternParam->getDeclName()); 21128a6c0f1a48b8167ca1457c9f05288fa637033dc9Peter Collingbourne Scope.InstantiatedLocal(PatternParam, FunctionParam); 21138a6c0f1a48b8167ca1457c9f05288fa637033dc9Peter Collingbourne } 211454dabfca850ca9e60e9ffb60003529f868d4d127Douglas Gregor 2115b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor // Enter the scope of this instantiation. We don't use 2116b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor // PushDeclContext because we don't have a scope. 2117b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor DeclContext *PreviousContext = CurContext; 2118b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor CurContext = Function; 2119b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor 21201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump MultiLevelTemplateArgumentList TemplateArgs = 2121e7089b0c6ffe8a8854150b60df00fb544099f77dDouglas Gregor getTemplateInstantiationArgs(Function, 0, false, PatternDecl); 2122090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson 2123090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson // If this is a constructor, instantiate the member initializers. 21241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const CXXConstructorDecl *Ctor = 2125090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson dyn_cast<CXXConstructorDecl>(PatternDecl)) { 2126090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson InstantiateMemInitializers(cast<CXXConstructorDecl>(Function), Ctor, 2127090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson TemplateArgs); 21281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 21291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 213054dabfca850ca9e60e9ffb60003529f868d4d127Douglas Gregor // Instantiate the function body. 213160d7b3a319d84d688752be3870615ac0f111fb16John McCall StmtResult Body = SubstStmt(Pattern, TemplateArgs); 2132e2c31ff0bc622e6fd7d47d7e08b53840f3be6c89Douglas Gregor 213352604ab71a74b8ec481255dfeea7dc9dba63b1a5Douglas Gregor if (Body.isInvalid()) 213452604ab71a74b8ec481255dfeea7dc9dba63b1a5Douglas Gregor Function->setInvalidDecl(); 213552604ab71a74b8ec481255dfeea7dc9dba63b1a5Douglas Gregor 21369ae2f076ca5ab1feb3ba95629099ec2319833701John McCall ActOnFinishFunctionBody(Function, Body.get(), 2137e2c31ff0bc622e6fd7d47d7e08b53840f3be6c89Douglas Gregor /*IsInstantiation=*/true); 2138b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor 21390c01d18094100db92d38daa923c95661512db203John McCall PerformDependentDiagnostics(PatternDecl, TemplateArgs); 21400c01d18094100db92d38daa923c95661512db203John McCall 2141b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor CurContext = PreviousContext; 2142aba43bb13b3aa3e81990989375fba3a902bfe1c2Douglas Gregor 2143aba43bb13b3aa3e81990989375fba3a902bfe1c2Douglas Gregor DeclGroupRef DG(Function); 2144aba43bb13b3aa3e81990989375fba3a902bfe1c2Douglas Gregor Consumer.HandleTopLevelDecl(DG); 21451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 214660406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor // This class may have local implicit instantiations that need to be 214760406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor // instantiation within this scope. 214862c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth PerformPendingInstantiations(/*LocalOnly=*/true); 214960406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor Scope.Exit(); 215060406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor 2151b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor if (Recursive) { 2152b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor // Instantiate any pending implicit instantiations found during the 21531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // instantiation of this template. 215462c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth PerformPendingInstantiations(); 21551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2156b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor // Restore the set of pending implicit instantiations. 215762c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth PendingInstantiations.swap(SavedPendingInstantiations); 2158b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor } 2159a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor} 2160a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor 2161a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor/// \brief Instantiate the definition of the given variable from its 2162a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor/// template. 2163a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor/// 21647caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// \param PointOfInstantiation the point at which the instantiation was 21657caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// required. Note that this is not precisely a "point of instantiation" 21667caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// for the function, but it's close. 21677caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// 21687caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// \param Var the already-instantiated declaration of a static member 21697caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// variable of a class template specialization. 21707caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// 21717caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// \param Recursive if true, recursively instantiates any functions that 21727caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// are required by this instantiation. 2173e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor/// 2174e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor/// \param DefinitionRequired if true, then we are performing an explicit 2175e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor/// instantiation where an out-of-line definition of the member variable 2176e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor/// is required. Complain if there is no such definition. 21777caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregorvoid Sema::InstantiateStaticDataMemberDefinition( 21787caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor SourceLocation PointOfInstantiation, 21797caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor VarDecl *Var, 2180e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor bool Recursive, 2181e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor bool DefinitionRequired) { 21827caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Var->isInvalidDecl()) 21837caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return; 21841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21857caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // Find the out-of-line definition of this static data member. 21867caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor VarDecl *Def = Var->getInstantiatedFromStaticDataMember(); 21877caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Def && "This data member was not instantiated from a template?"); 21880d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor assert(Def->isStaticDataMember() && "Not a static data member?"); 21890d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor Def = Def->getOutOfLineDefinition(); 21901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21910d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor if (!Def) { 21927caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // We did not find an out-of-line definition of this static data member, 21937caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // so we won't perform any instantiation. Rather, we rely on the user to 21941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // instantiate this definition (or provide a specialization for it) in 21951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // another translation unit. 2196e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor if (DefinitionRequired) { 21970d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor Def = Var->getInstantiatedFromStaticDataMember(); 2198e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor Diag(PointOfInstantiation, 2199e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor diag::err_explicit_instantiation_undefined_member) 2200e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor << 2 << Var->getDeclName() << Var->getDeclContext(); 2201e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor Diag(Def->getLocation(), diag::note_explicit_instantiation_here); 220258e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth } else if (Var->getTemplateSpecializationKind() 220358e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth == TSK_ExplicitInstantiationDefinition) { 220462c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth PendingInstantiations.push_back( 220558e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth std::make_pair(Var, PointOfInstantiation)); 220658e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth } 220758e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth 22087caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return; 22097caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor } 22107caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 2211251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor // Never instantiate an explicit specialization. 22121028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor if (Var->getTemplateSpecializationKind() == TSK_ExplicitSpecialization) 2213251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return; 2214251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor 2215251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor // C++0x [temp.explicit]p9: 2216251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor // Except for inline functions, other explicit instantiation declarations 2217251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor // have the effect of suppressing the implicit instantiation of the entity 2218251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor // to which they refer. 22191028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor if (Var->getTemplateSpecializationKind() 2220251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor == TSK_ExplicitInstantiationDeclaration) 2221251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return; 22221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22237caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor InstantiatingTemplate Inst(*this, PointOfInstantiation, Var); 22247caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Inst) 22257caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return; 22261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22277caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // If we're performing recursive template instantiation, create our own 22287caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // queue of pending implicit instantiations that we will instantiate later, 22297caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // while we're still within our own instantiation context. 223062c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth std::deque<PendingImplicitInstantiation> SavedPendingInstantiations; 22317caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Recursive) 223262c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth PendingInstantiations.swap(SavedPendingInstantiations); 22331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22347caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // Enter the scope of this instantiation. We don't use 22357caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // PushDeclContext because we don't have a scope. 22367caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor DeclContext *PreviousContext = CurContext; 22377caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor CurContext = Var->getDeclContext(); 22381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22391028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor VarDecl *OldVar = Var; 2240ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCall Var = cast_or_null<VarDecl>(SubstDecl(Def, Var->getDeclContext(), 22417caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor getTemplateInstantiationArgs(Var))); 22427caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor CurContext = PreviousContext; 22437caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 22447caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Var) { 2245583f33b8a9227bace1a77a15404b4c64dc619d69Douglas Gregor MemberSpecializationInfo *MSInfo = OldVar->getMemberSpecializationInfo(); 2246583f33b8a9227bace1a77a15404b4c64dc619d69Douglas Gregor assert(MSInfo && "Missing member specialization information?"); 2247583f33b8a9227bace1a77a15404b4c64dc619d69Douglas Gregor Var->setTemplateSpecializationKind(MSInfo->getTemplateSpecializationKind(), 2248583f33b8a9227bace1a77a15404b4c64dc619d69Douglas Gregor MSInfo->getPointOfInstantiation()); 22497caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor DeclGroupRef DG(Var); 22507caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor Consumer.HandleTopLevelDecl(DG); 22517caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor } 22521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22537caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Recursive) { 22547caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // Instantiate any pending implicit instantiations found during the 22551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // instantiation of this template. 225662c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth PerformPendingInstantiations(); 22571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22587caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // Restore the set of pending implicit instantiations. 225962c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth PendingInstantiations.swap(SavedPendingInstantiations); 22601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 2261a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor} 2262815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 2263090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlssonvoid 2264090253155017b7eec031bbd7bf07824a448e1d7aAnders CarlssonSema::InstantiateMemInitializers(CXXConstructorDecl *New, 2265090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson const CXXConstructorDecl *Tmpl, 2266090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson const MultiLevelTemplateArgumentList &TemplateArgs) { 22671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2268090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson llvm::SmallVector<MemInitTy*, 4> NewInits; 22699db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor bool AnyErrors = false; 22709db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor 2271090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson // Instantiate all the initializers. 2272090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson for (CXXConstructorDecl::init_const_iterator Inits = Tmpl->init_begin(), 227372f6d678c8de9f3a770e8ae5fc4979abf3940668Douglas Gregor InitsEnd = Tmpl->init_end(); 227472f6d678c8de9f3a770e8ae5fc4979abf3940668Douglas Gregor Inits != InitsEnd; ++Inits) { 2275090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson CXXBaseOrMemberInitializer *Init = *Inits; 2276090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson 22776b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor SourceLocation LParenLoc, RParenLoc; 2278ca0408fb49c1370430672acf2d770b7151cf71deJohn McCall ASTOwningVector<Expr*> NewArgs(*this); 22799db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor llvm::SmallVector<SourceLocation, 4> CommaLocs; 22801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22816b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor // Instantiate the initializer. 22826b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (InstantiateInitializer(*this, Init->getInit(), TemplateArgs, 22836b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor LParenLoc, CommaLocs, NewArgs, RParenLoc)) { 22846b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor AnyErrors = true; 22856b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor continue; 2286090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson } 22879db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor 2288090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson MemInitResult NewInit; 2289090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson if (Init->isBaseInitializer()) { 2290a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *BaseTInfo = SubstType(Init->getBaseClassInfo(), 2291802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor TemplateArgs, 2292802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor Init->getSourceLocation(), 2293802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor New->getDeclName()); 2294a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall if (!BaseTInfo) { 22959db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor AnyErrors = true; 2296802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor New->setInvalidDecl(); 2297802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor continue; 2298802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor } 2299802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor 2300a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall NewInit = BuildBaseInitializer(BaseTInfo->getType(), BaseTInfo, 23011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump (Expr **)NewArgs.data(), 2302090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson NewArgs.size(), 2303802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor Init->getLParenLoc(), 2304090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson Init->getRParenLoc(), 2305090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson New->getParent()); 2306090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson } else if (Init->isMemberInitializer()) { 23079988d5d9ad0850e455bd413b03ba7dc8ecee5999Anders Carlsson FieldDecl *Member; 23081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23099988d5d9ad0850e455bd413b03ba7dc8ecee5999Anders Carlsson // Is this an anonymous union? 23109988d5d9ad0850e455bd413b03ba7dc8ecee5999Anders Carlsson if (FieldDecl *UnionInit = Init->getAnonUnionMember()) 23117c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor Member = cast<FieldDecl>(FindInstantiatedDecl(Init->getMemberLocation(), 23127c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor UnionInit, TemplateArgs)); 23139988d5d9ad0850e455bd413b03ba7dc8ecee5999Anders Carlsson else 23147c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor Member = cast<FieldDecl>(FindInstantiatedDecl(Init->getMemberLocation(), 23157c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor Init->getMember(), 2316e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor TemplateArgs)); 23171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NewInit = BuildMemberInitializer(Member, (Expr **)NewArgs.data(), 2319090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson NewArgs.size(), 2320090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson Init->getSourceLocation(), 2321802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor Init->getLParenLoc(), 2322090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson Init->getRParenLoc()); 2323090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson } 2324090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson 23259db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor if (NewInit.isInvalid()) { 23269db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor AnyErrors = true; 2327090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson New->setInvalidDecl(); 23289db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor } else { 2329090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson // FIXME: It would be nice if ASTOwningVector had a release function. 2330090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson NewArgs.take(); 23311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2332090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson NewInits.push_back((MemInitTy *)NewInit.get()); 2333090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson } 2334090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson } 23351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2336090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson // Assign all the initializers to the new constructor. 2337d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall ActOnMemInitializers(New, 2338090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson /*FIXME: ColonLoc */ 2339090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson SourceLocation(), 23409db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor NewInits.data(), NewInits.size(), 23419db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor AnyErrors); 2342090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson} 2343090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson 234452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall// TODO: this could be templated if the various decl types used the 234552a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall// same method name. 234652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCallstatic bool isInstantiationOf(ClassTemplateDecl *Pattern, 234752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall ClassTemplateDecl *Instance) { 234852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Pattern = Pattern->getCanonicalDecl(); 234952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 235052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall do { 235152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getCanonicalDecl(); 235252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (Pattern == Instance) return true; 235352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getInstantiatedFromMemberTemplate(); 235452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall } while (Instance); 235552a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 235652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return false; 235752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall} 235852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 23590d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregorstatic bool isInstantiationOf(FunctionTemplateDecl *Pattern, 23600d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor FunctionTemplateDecl *Instance) { 23610d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor Pattern = Pattern->getCanonicalDecl(); 23620d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor 23630d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor do { 23640d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor Instance = Instance->getCanonicalDecl(); 23650d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor if (Pattern == Instance) return true; 23660d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor Instance = Instance->getInstantiatedFromMemberTemplate(); 23670d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor } while (Instance); 23680d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor 23690d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor return false; 23700d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor} 23710d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor 2372ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregorstatic bool 2373ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas GregorisInstantiationOf(ClassTemplatePartialSpecializationDecl *Pattern, 2374ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplatePartialSpecializationDecl *Instance) { 2375ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor Pattern 2376ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor = cast<ClassTemplatePartialSpecializationDecl>(Pattern->getCanonicalDecl()); 2377ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor do { 2378ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor Instance = cast<ClassTemplatePartialSpecializationDecl>( 2379ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor Instance->getCanonicalDecl()); 2380ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor if (Pattern == Instance) 2381ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return true; 2382ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor Instance = Instance->getInstantiatedFromMember(); 2383ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor } while (Instance); 2384ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 2385ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return false; 2386ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor} 2387ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 238852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCallstatic bool isInstantiationOf(CXXRecordDecl *Pattern, 238952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall CXXRecordDecl *Instance) { 239052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Pattern = Pattern->getCanonicalDecl(); 239152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 239252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall do { 239352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getCanonicalDecl(); 239452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (Pattern == Instance) return true; 239552a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getInstantiatedFromMemberClass(); 239652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall } while (Instance); 239752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 239852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return false; 239952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall} 240052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 240152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCallstatic bool isInstantiationOf(FunctionDecl *Pattern, 240252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall FunctionDecl *Instance) { 240352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Pattern = Pattern->getCanonicalDecl(); 240452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 240552a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall do { 240652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getCanonicalDecl(); 240752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (Pattern == Instance) return true; 240852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getInstantiatedFromMemberFunction(); 240952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall } while (Instance); 241052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 241152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return false; 241252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall} 241352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 241452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCallstatic bool isInstantiationOf(EnumDecl *Pattern, 241552a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall EnumDecl *Instance) { 241652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Pattern = Pattern->getCanonicalDecl(); 241752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 241852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall do { 241952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getCanonicalDecl(); 242052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (Pattern == Instance) return true; 242152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getInstantiatedFromMemberEnum(); 242252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall } while (Instance); 242352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 242452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return false; 242552a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall} 242652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 2427ed97649e9574b9d854fa4d6109c9333ae0993554John McCallstatic bool isInstantiationOf(UsingShadowDecl *Pattern, 2428ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingShadowDecl *Instance, 2429ed97649e9574b9d854fa4d6109c9333ae0993554John McCall ASTContext &C) { 2430ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return C.getInstantiatedFromUsingShadowDecl(Instance) == Pattern; 2431ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 2432ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2433ed97649e9574b9d854fa4d6109c9333ae0993554John McCallstatic bool isInstantiationOf(UsingDecl *Pattern, 2434ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingDecl *Instance, 2435ed97649e9574b9d854fa4d6109c9333ae0993554John McCall ASTContext &C) { 2436ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return C.getInstantiatedFromUsingDecl(Instance) == Pattern; 2437ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 2438ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 24397ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallstatic bool isInstantiationOf(UnresolvedUsingValueDecl *Pattern, 24407ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall UsingDecl *Instance, 24417ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall ASTContext &C) { 2442ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return C.getInstantiatedFromUsingDecl(Instance) == Pattern; 24437ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall} 24447ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall 24457ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallstatic bool isInstantiationOf(UnresolvedUsingTypenameDecl *Pattern, 24460d8df780aef1acda5962347a32591efc629b6748Anders Carlsson UsingDecl *Instance, 24470d8df780aef1acda5962347a32591efc629b6748Anders Carlsson ASTContext &C) { 2448ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return C.getInstantiatedFromUsingDecl(Instance) == Pattern; 24490d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 24500d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 245152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCallstatic bool isInstantiationOfStaticDataMember(VarDecl *Pattern, 245252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall VarDecl *Instance) { 245352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall assert(Instance->isStaticDataMember()); 245452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 245552a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Pattern = Pattern->getCanonicalDecl(); 245652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 245752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall do { 245852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getCanonicalDecl(); 245952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (Pattern == Instance) return true; 246052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getInstantiatedFromStaticDataMember(); 246152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall } while (Instance); 246252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 246352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return false; 246452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall} 246552a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 2466ed97649e9574b9d854fa4d6109c9333ae0993554John McCall// Other is the prospective instantiation 2467ed97649e9574b9d854fa4d6109c9333ae0993554John McCall// D is the prospective pattern 2468815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregorstatic bool isInstantiationOf(ASTContext &Ctx, NamedDecl *D, Decl *Other) { 24690d8df780aef1acda5962347a32591efc629b6748Anders Carlsson if (D->getKind() != Other->getKind()) { 24707ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall if (UnresolvedUsingTypenameDecl *UUD 24717ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall = dyn_cast<UnresolvedUsingTypenameDecl>(D)) { 24727ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall if (UsingDecl *UD = dyn_cast<UsingDecl>(Other)) { 24737ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall return isInstantiationOf(UUD, UD, Ctx); 24747ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall } 24757ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall } 24767ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall 24777ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall if (UnresolvedUsingValueDecl *UUD 24787ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall = dyn_cast<UnresolvedUsingValueDecl>(D)) { 24790d8df780aef1acda5962347a32591efc629b6748Anders Carlsson if (UsingDecl *UD = dyn_cast<UsingDecl>(Other)) { 24800d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return isInstantiationOf(UUD, UD, Ctx); 24810d8df780aef1acda5962347a32591efc629b6748Anders Carlsson } 24820d8df780aef1acda5962347a32591efc629b6748Anders Carlsson } 2483815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 24840d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return false; 24850d8df780aef1acda5962347a32591efc629b6748Anders Carlsson } 24861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 248752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (CXXRecordDecl *Record = dyn_cast<CXXRecordDecl>(Other)) 248852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return isInstantiationOf(cast<CXXRecordDecl>(D), Record); 24891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 249052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (FunctionDecl *Function = dyn_cast<FunctionDecl>(Other)) 249152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return isInstantiationOf(cast<FunctionDecl>(D), Function); 2492815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 249352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (EnumDecl *Enum = dyn_cast<EnumDecl>(Other)) 249452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return isInstantiationOf(cast<EnumDecl>(D), Enum); 2495815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 24967caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (VarDecl *Var = dyn_cast<VarDecl>(Other)) 249752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (Var->isStaticDataMember()) 249852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return isInstantiationOfStaticDataMember(cast<VarDecl>(D), Var); 249952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 250052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (ClassTemplateDecl *Temp = dyn_cast<ClassTemplateDecl>(Other)) 250152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return isInstantiationOf(cast<ClassTemplateDecl>(D), Temp); 2502a5bf7f13d7772b164750997f95ab18487bbc4114Douglas Gregor 25030d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor if (FunctionTemplateDecl *Temp = dyn_cast<FunctionTemplateDecl>(Other)) 25040d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor return isInstantiationOf(cast<FunctionTemplateDecl>(D), Temp); 25050d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor 2506ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor if (ClassTemplatePartialSpecializationDecl *PartialSpec 2507ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor = dyn_cast<ClassTemplatePartialSpecializationDecl>(Other)) 2508ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return isInstantiationOf(cast<ClassTemplatePartialSpecializationDecl>(D), 2509ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor PartialSpec); 2510ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 2511d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson if (FieldDecl *Field = dyn_cast<FieldDecl>(Other)) { 2512d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson if (!Field->getDeclName()) { 2513d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson // This is an unnamed field. 25141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Ctx.getInstantiatedFromUnnamedFieldDecl(Field) == 2515d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson cast<FieldDecl>(D); 2516d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson } 2517d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson } 25181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2519ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (UsingDecl *Using = dyn_cast<UsingDecl>(Other)) 2520ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return isInstantiationOf(cast<UsingDecl>(D), Using, Ctx); 2521ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2522ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (UsingShadowDecl *Shadow = dyn_cast<UsingShadowDecl>(Other)) 2523ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return isInstantiationOf(cast<UsingShadowDecl>(D), Shadow, Ctx); 2524ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2525815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor return D->getDeclName() && isa<NamedDecl>(Other) && 2526815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor D->getDeclName() == cast<NamedDecl>(Other)->getDeclName(); 2527815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor} 2528815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 2529815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregortemplate<typename ForwardIterator> 25301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic NamedDecl *findInstantiationOf(ASTContext &Ctx, 2531815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor NamedDecl *D, 2532815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor ForwardIterator first, 2533815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor ForwardIterator last) { 2534815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor for (; first != last; ++first) 2535815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor if (isInstantiationOf(Ctx, D, *first)) 2536815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor return cast<NamedDecl>(*first); 2537815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 2538815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor return 0; 2539815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor} 2540815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 254102cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// \brief Finds the instantiation of the given declaration context 254202cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// within the current instantiation. 254302cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// 254402cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// \returns NULL if there was an error 25457c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas GregorDeclContext *Sema::FindInstantiatedContext(SourceLocation Loc, DeclContext* DC, 2546e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor const MultiLevelTemplateArgumentList &TemplateArgs) { 254702cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall if (NamedDecl *D = dyn_cast<NamedDecl>(DC)) { 25487c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor Decl* ID = FindInstantiatedDecl(Loc, D, TemplateArgs); 254902cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall return cast_or_null<DeclContext>(ID); 255002cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall } else return DC; 255102cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall} 255202cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall 2553ed961e7fffc268eeace169869f5a059bcbd5fcbdDouglas Gregor/// \brief Find the instantiation of the given declaration within the 2554ed961e7fffc268eeace169869f5a059bcbd5fcbdDouglas Gregor/// current instantiation. 2555815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// 2556815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// This routine is intended to be used when \p D is a declaration 2557815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// referenced from within a template, that needs to mapped into the 2558815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// corresponding declaration within an instantiation. For example, 2559815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// given: 2560815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// 2561815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// \code 2562815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// template<typename T> 2563815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// struct X { 2564815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// enum Kind { 2565815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// KnownValue = sizeof(T) 2566815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// }; 2567815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// 2568815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// bool getKind() const { return KnownValue; } 2569815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// }; 2570815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// 2571815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// template struct X<int>; 2572815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// \endcode 2573815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// 2574815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// In the instantiation of X<int>::getKind(), we need to map the 2575815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// EnumConstantDecl for KnownValue (which refers to 2576815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// X<T>::<Kind>::KnownValue) to its instantiation 2577ed961e7fffc268eeace169869f5a059bcbd5fcbdDouglas Gregor/// (X<int>::<Kind>::KnownValue). InstantiateCurrentDeclRef() performs 2578ed961e7fffc268eeace169869f5a059bcbd5fcbdDouglas Gregor/// this mapping from within the instantiation of X<int>. 25797c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas GregorNamedDecl *Sema::FindInstantiatedDecl(SourceLocation Loc, NamedDecl *D, 2580e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor const MultiLevelTemplateArgumentList &TemplateArgs) { 2581815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor DeclContext *ParentDC = D->getDeclContext(); 2582550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor if (isa<ParmVarDecl>(D) || isa<NonTypeTemplateParmDecl>(D) || 25836d3e627dacdb2f749195635ab587fd067ef813e1Douglas Gregor isa<TemplateTypeParmDecl>(D) || isa<TemplateTemplateParmDecl>(D) || 2584766724566289e6951a90b6483f0d3e22fe4b9b52John McCall (ParentDC->isFunctionOrMethod() && ParentDC->isDependentContext())) { 25852bba76b0ec4c2f2134eebb1a2bbfe102f36c2f6eDouglas Gregor // D is a local of some kind. Look into the map of local 25862bba76b0ec4c2f2134eebb1a2bbfe102f36c2f6eDouglas Gregor // declarations to their instantiations. 25878dd0c5626455cdf94280783e85e413eed6cbf3d9Fariborz Jahanian return cast<NamedDecl>(CurrentInstantiationScope->getInstantiationOf(D)); 25882bba76b0ec4c2f2134eebb1a2bbfe102f36c2f6eDouglas Gregor } 2589815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 2590e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor if (CXXRecordDecl *Record = dyn_cast<CXXRecordDecl>(D)) { 2591e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor if (!Record->isDependentContext()) 2592e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor return D; 2593e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor 25948b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // If the RecordDecl is actually the injected-class-name or a 25958b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // "templated" declaration for a class template, class template 25968b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // partial specialization, or a member class of a class template, 25978b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // substitute into the injected-class-name of the class template 25988b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // or partial specialization to find the new DeclContext. 2599e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor QualType T; 2600e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor ClassTemplateDecl *ClassTemplate = Record->getDescribedClassTemplate(); 2601e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor 2602e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor if (ClassTemplate) { 260324bae92f08ae098cc50a602d8cf1273b423e14daDouglas Gregor T = ClassTemplate->getInjectedClassNameSpecialization(); 2604e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor } else if (ClassTemplatePartialSpecializationDecl *PartialSpec 2605e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor = dyn_cast<ClassTemplatePartialSpecializationDecl>(Record)) { 2606e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor ClassTemplate = PartialSpec->getSpecializedTemplate(); 26073cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 26083cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall // If we call SubstType with an InjectedClassNameType here we 26093cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall // can end up in an infinite loop. 26103cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall T = Context.getTypeDeclType(Record); 26113cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(T) && 26123cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall "type of partial specialization is not an InjectedClassNameType"); 261331f17ecbef57b5679c017c375db330546b7b5145John McCall T = cast<InjectedClassNameType>(T)->getInjectedSpecializationType(); 26143cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 2615e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor 2616e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor if (!T.isNull()) { 26178b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // Substitute into the injected-class-name to get the type 26188b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // corresponding to the instantiation we want, which may also be 26198b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // the current instantiation (if we're in a template 26208b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // definition). This substitution should never fail, since we 26218b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // know we can instantiate the injected-class-name or we 26228b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // wouldn't have gotten to the injected-class-name! 26238b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor 26248b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // FIXME: Can we use the CurrentInstantiationScope to avoid this 26258b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // extra instantiation in the common case? 2626e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor T = SubstType(T, TemplateArgs, SourceLocation(), DeclarationName()); 2627e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor assert(!T.isNull() && "Instantiation of injected-class-name cannot fail."); 2628e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor 2629e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor if (!T->isDependentType()) { 2630e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor assert(T->isRecordType() && "Instantiation must produce a record type"); 2631e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor return T->getAs<RecordType>()->getDecl(); 2632e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor } 2633e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor 26348b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // We are performing "partial" template instantiation to create 26358b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // the member declarations for the members of a class template 26368b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // specialization. Therefore, D is actually referring to something 26378b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // in the current instantiation. Look through the current 26388b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // context, which contains actual instantiations, to find the 26398b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // instantiation of the "current instantiation" that D refers 26408b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // to. 26418b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor bool SawNonDependentContext = false; 26421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (DeclContext *DC = CurContext; !DC->isFileContext(); 264352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall DC = DC->getParent()) { 26441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ClassTemplateSpecializationDecl *Spec 26458b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor = dyn_cast<ClassTemplateSpecializationDecl>(DC)) 2646e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor if (isInstantiationOf(ClassTemplate, 2647e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor Spec->getSpecializedTemplate())) 264852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return Spec; 26498b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor 26508b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor if (!DC->isDependentContext()) 26518b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor SawNonDependentContext = true; 265252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall } 265352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 26548b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // We're performing "instantiation" of a member of the current 26558b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // instantiation while we are type-checking the 26568b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // definition. Compute the declaration context and return that. 26578b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor assert(!SawNonDependentContext && 26588b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor "No dependent context while instantiating record"); 26598b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor DeclContext *DC = computeDeclContext(T); 26608b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor assert(DC && 266152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall "Unable to find declaration for the current instantiation"); 26628b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor return cast<CXXRecordDecl>(DC); 266352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall } 26648b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor 2665e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor // Fall through to deal with other dependent record types (e.g., 2666e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor // anonymous unions in class templates). 2667e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor } 266852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 2669e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor if (!ParentDC->isDependentContext()) 2670e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor return D; 2671e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor 26727c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor ParentDC = FindInstantiatedContext(Loc, ParentDC, TemplateArgs); 26731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!ParentDC) 267444c73848d5d5bd34c05582dc8398a20bea7cd971Douglas Gregor return 0; 26751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2676815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor if (ParentDC != D->getDeclContext()) { 2677815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // We performed some kind of instantiation in the parent context, 2678815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // so now we need to look into the instantiated parent context to 2679815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // find the instantiation of the declaration D. 26807c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor 26813cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall // If our context used to be dependent, we may need to instantiate 26823cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall // it before performing lookup into that context. 26833cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (CXXRecordDecl *Spec = dyn_cast<CXXRecordDecl>(ParentDC)) { 26847c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor if (!Spec->isDependentContext()) { 26857c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor QualType T = Context.getTypeDeclType(Spec); 26863cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const RecordType *Tag = T->getAs<RecordType>(); 26873cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(Tag && "type of non-dependent record is not a RecordType"); 26883cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (!Tag->isBeingDefined() && 26893cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall RequireCompleteType(Loc, T, diag::err_incomplete_type)) 26903cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return 0; 26917c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor } 26927c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor } 26937c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor 2694815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor NamedDecl *Result = 0; 2695815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor if (D->getDeclName()) { 269617945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis DeclContext::lookup_result Found = ParentDC->lookup(D->getDeclName()); 2697815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor Result = findInstantiationOf(Context, D, Found.first, Found.second); 2698815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor } else { 2699815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // Since we don't have a name for the entity we're looking for, 2700815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // our only option is to walk through all of the declarations to 2701815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // find that name. This will occur in a few cases: 2702815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // 2703815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // - anonymous struct/union within a template 2704815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // - unnamed class/struct/union/enum within a template 2705815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // 2706815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // FIXME: Find a better way to find these instantiations! 27071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Result = findInstantiationOf(Context, D, 270817945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis ParentDC->decls_begin(), 270917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis ParentDC->decls_end()); 2710815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor } 27111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27129f54ad4381370c6b771424b53d219e661d6d6706John McCall // UsingShadowDecls can instantiate to nothing because of using hiding. 271300225547b51b42f7400eed36475b6672418a1151Douglas Gregor assert((Result || isa<UsingShadowDecl>(D) || D->isInvalidDecl() || 271400225547b51b42f7400eed36475b6672418a1151Douglas Gregor cast<Decl>(ParentDC)->isInvalidDecl()) 27159f54ad4381370c6b771424b53d219e661d6d6706John McCall && "Unable to find instantiation of declaration!"); 27169f54ad4381370c6b771424b53d219e661d6d6706John McCall 2717815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor D = Result; 2718815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor } 2719815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 2720815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor return D; 2721815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor} 2722d7f37bf8b9a211455c5037df7b7e88e5a9510119Douglas Gregor 27231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// \brief Performs template instantiation for all implicit template 2724d7f37bf8b9a211455c5037df7b7e88e5a9510119Douglas Gregor/// instantiations we have seen until this point. 272562c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruthvoid Sema::PerformPendingInstantiations(bool LocalOnly) { 272660406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor while (!PendingLocalImplicitInstantiations.empty() || 272762c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth (!LocalOnly && !PendingInstantiations.empty())) { 272860406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor PendingImplicitInstantiation Inst; 272960406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor 273060406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor if (PendingLocalImplicitInstantiations.empty()) { 273162c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth Inst = PendingInstantiations.front(); 273262c78d54bee499dd87f768f48b21c9b5ec15e516Chandler Carruth PendingInstantiations.pop_front(); 273360406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor } else { 273460406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor Inst = PendingLocalImplicitInstantiations.front(); 273560406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor PendingLocalImplicitInstantiations.pop_front(); 273660406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor } 27371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27387caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // Instantiate function definitions 27397caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (FunctionDecl *Function = dyn_cast<FunctionDecl>(Inst.first)) { 2740f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall PrettyDeclStackTraceEntry CrashInfo(*this, Function, SourceLocation(), 2741f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall "instantiating function definition"); 274258e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth bool DefinitionRequired = Function->getTemplateSpecializationKind() == 274358e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth TSK_ExplicitInstantiationDefinition; 274458e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth InstantiateFunctionDefinition(/*FIXME:*/Inst.second, Function, true, 274558e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth DefinitionRequired); 27467caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor continue; 27477caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor } 27481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27497caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // Instantiate static data member definitions. 27507caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor VarDecl *Var = cast<VarDecl>(Inst.first); 27517caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Var->isStaticDataMember() && "Not a static data member?"); 2752c17fb7bd9a06b027c792c7dfad7e9fa430277affAnders Carlsson 2753291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth // Don't try to instantiate declarations if the most recent redeclaration 2754291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth // is invalid. 2755291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth if (Var->getMostRecentDeclaration()->isInvalidDecl()) 2756291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth continue; 2757291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth 2758291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth // Check if the most recent declaration has changed the specialization kind 2759291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth // and removed the need for implicit instantiation. 2760291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth switch (Var->getMostRecentDeclaration()->getTemplateSpecializationKind()) { 2761291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth case TSK_Undeclared: 2762291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth assert(false && "Cannot instantitiate an undeclared specialization."); 2763291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth case TSK_ExplicitInstantiationDeclaration: 2764291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth case TSK_ExplicitSpecialization: 276558e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth continue; // No longer need to instantiate this type. 276658e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth case TSK_ExplicitInstantiationDefinition: 276758e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth // We only need an instantiation if the pending instantiation *is* the 276858e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth // explicit instantiation. 276958e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth if (Var != Var->getMostRecentDeclaration()) continue; 2770291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth case TSK_ImplicitInstantiation: 2771291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth break; 2772291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth } 2773291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth 2774f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall PrettyDeclStackTraceEntry CrashInfo(*this, Var, Var->getLocation(), 2775f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall "instantiating static data member " 2776f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall "definition"); 27771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 277858e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth bool DefinitionRequired = Var->getTemplateSpecializationKind() == 277958e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth TSK_ExplicitInstantiationDefinition; 278058e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth InstantiateStaticDataMemberDefinition(/*FIXME:*/Inst.second, Var, true, 278158e390ef491c8fb11ae17445054ee09527b492d3Chandler Carruth DefinitionRequired); 2782d7f37bf8b9a211455c5037df7b7e88e5a9510119Douglas Gregor } 2783d7f37bf8b9a211455c5037df7b7e88e5a9510119Douglas Gregor} 27840c01d18094100db92d38daa923c95661512db203John McCall 27850c01d18094100db92d38daa923c95661512db203John McCallvoid Sema::PerformDependentDiagnostics(const DeclContext *Pattern, 27860c01d18094100db92d38daa923c95661512db203John McCall const MultiLevelTemplateArgumentList &TemplateArgs) { 27870c01d18094100db92d38daa923c95661512db203John McCall for (DeclContext::ddiag_iterator I = Pattern->ddiag_begin(), 27880c01d18094100db92d38daa923c95661512db203John McCall E = Pattern->ddiag_end(); I != E; ++I) { 27890c01d18094100db92d38daa923c95661512db203John McCall DependentDiagnostic *DD = *I; 27900c01d18094100db92d38daa923c95661512db203John McCall 27910c01d18094100db92d38daa923c95661512db203John McCall switch (DD->getKind()) { 27920c01d18094100db92d38daa923c95661512db203John McCall case DependentDiagnostic::Access: 27930c01d18094100db92d38daa923c95661512db203John McCall HandleDependentAccessCheck(*DD, TemplateArgs); 27940c01d18094100db92d38daa923c95661512db203John McCall break; 27950c01d18094100db92d38daa923c95661512db203John McCall } 27960c01d18094100db92d38daa923c95661512db203John McCall } 27970c01d18094100db92d38daa923c95661512db203John McCall} 2798f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCall 2799