SemaTemplateInstantiateDecl.cpp revision 6920cdce298ac9ba50dc7ebb7dea982a300b0664
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//===----------------------------------------------------------------------===/ 128dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor#include "Sema.h" 137d384dd5ace9ae9a22a69e700d2cacb256bc6c69John McCall#include "Lookup.h" 14aba43bb13b3aa3e81990989375fba3a902bfe1c2Douglas Gregor#include "clang/AST/ASTConsumer.h" 158dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor#include "clang/AST/ASTContext.h" 168dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor#include "clang/AST/DeclTemplate.h" 178dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor#include "clang/AST/DeclVisitor.h" 180c01d18094100db92d38daa923c95661512db203John McCall#include "clang/AST/DependentDiagnostic.h" 198dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor#include "clang/AST/Expr.h" 20a88cfbfac9bbcbb9858f048d6d73a48711d8e93dDouglas Gregor#include "clang/AST/ExprCXX.h" 2121ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall#include "clang/AST/TypeLoc.h" 22c17fb7bd9a06b027c792c7dfad7e9fa430277affAnders Carlsson#include "clang/Basic/PrettyStackTrace.h" 2383ddad3ab513f5d73698cf9fbeb4ed3f011bc3b9Douglas Gregor#include "clang/Lex/Preprocessor.h" 248dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 258dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregorusing namespace clang; 268dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 278dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregornamespace { 2885b4521e34dcd4a0a4a1f0819e1123128e5a3125Benjamin Kramer class TemplateDeclInstantiator 29b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner : public DeclVisitor<TemplateDeclInstantiator, Decl *> { 308dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Sema &SemaRef; 318dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor DeclContext *Owner; 32d6350aefb1396b299e199c7f1fe51bb40c12e75eDouglas Gregor const MultiLevelTemplateArgumentList &TemplateArgs; 331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 34d8fe2d56fb5463c9d109e8c6dab2e98b06bee186Anders Carlsson void InstantiateAttrs(Decl *Tmpl, Decl *New); 35d8fe2d56fb5463c9d109e8c6dab2e98b06bee186Anders Carlsson 368dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor public: 378dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor typedef Sema::OwningExprResult OwningExprResult; 388dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 398dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor TemplateDeclInstantiator(Sema &SemaRef, DeclContext *Owner, 40d6350aefb1396b299e199c7f1fe51bb40c12e75eDouglas Gregor const MultiLevelTemplateArgumentList &TemplateArgs) 417e06390f8a60440d6fc5f0e633acdc2edd8ee924Douglas Gregor : SemaRef(SemaRef), Owner(Owner), TemplateArgs(TemplateArgs) { } 421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43390b4cc8b45a05612349269ef08faab3e4688f06Mike Stump // FIXME: Once we get closer to completion, replace these manually-written 44390b4cc8b45a05612349269ef08faab3e4688f06Mike Stump // declarations with automatically-generated ones from 45390b4cc8b45a05612349269ef08faab3e4688f06Mike Stump // clang/AST/DeclNodes.def. 464f722be4587a7a0dece399fb5405dda158971ae1Douglas Gregor Decl *VisitTranslationUnitDecl(TranslationUnitDecl *D); 474f722be4587a7a0dece399fb5405dda158971ae1Douglas Gregor Decl *VisitNamespaceDecl(NamespaceDecl *D); 483dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall Decl *VisitNamespaceAliasDecl(NamespaceAliasDecl *D); 498dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Decl *VisitTypedefDecl(TypedefDecl *D); 503d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor Decl *VisitVarDecl(VarDecl *D); 518dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Decl *VisitFieldDecl(FieldDecl *D); 528dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Decl *VisitStaticAssertDecl(StaticAssertDecl *D); 538dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Decl *VisitEnumDecl(EnumDecl *D); 546477b69cc93e0a0ff15036d60d604f3544da0f29Douglas Gregor Decl *VisitEnumConstantDecl(EnumConstantDecl *D); 5502cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall Decl *VisitFriendDecl(FriendDecl *D); 56a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor Decl *VisitFunctionDecl(FunctionDecl *D, 57a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor TemplateParameterList *TemplateParams = 0); 58d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor Decl *VisitCXXRecordDecl(CXXRecordDecl *D); 59d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor Decl *VisitCXXMethodDecl(CXXMethodDecl *D, 60d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor TemplateParameterList *TemplateParams = 0); 61615c5d4674355ba830b9978f462ca7a8c5d15f85Douglas Gregor Decl *VisitCXXConstructorDecl(CXXConstructorDecl *D); 6203b2b07aaef3a585aec13048a33356c7f635de72Douglas Gregor Decl *VisitCXXDestructorDecl(CXXDestructorDecl *D); 63bb969ed4193e2eadabfaa0dfd0b94312b6146349Douglas Gregor Decl *VisitCXXConversionDecl(CXXConversionDecl *D); 646477b69cc93e0a0ff15036d60d604f3544da0f29Douglas Gregor ParmVarDecl *VisitParmVarDecl(ParmVarDecl *D); 65e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall Decl *VisitClassTemplateDecl(ClassTemplateDecl *D); 667974c3b7062f85bb7c0ada34526cdefe1d30f89bDouglas Gregor Decl *VisitClassTemplatePartialSpecializationDecl( 677974c3b7062f85bb7c0ada34526cdefe1d30f89bDouglas Gregor ClassTemplatePartialSpecializationDecl *D); 68d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor Decl *VisitFunctionTemplateDecl(FunctionTemplateDecl *D); 69e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall Decl *VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D); 7033642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor Decl *VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D); 719106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor Decl *VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D); 7248c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor Decl *VisitUsingDirectiveDecl(UsingDirectiveDecl *D); 73ed97649e9574b9d854fa4d6109c9333ae0993554John McCall Decl *VisitUsingDecl(UsingDecl *D); 74ed97649e9574b9d854fa4d6109c9333ae0993554John McCall Decl *VisitUsingShadowDecl(UsingShadowDecl *D); 757ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall Decl *VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D); 767ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall Decl *VisitUnresolvedUsingTypenameDecl(UnresolvedUsingTypenameDecl *D); 771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 788dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // Base case. FIXME: Remove once we can instantiate everything. 7948c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor Decl *VisitDecl(Decl *D) { 8048c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor unsigned DiagID = SemaRef.getDiagnostics().getCustomDiagID( 8148c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor Diagnostic::Error, 8248c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor "cannot instantiate %0 yet"); 8348c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor SemaRef.Diag(D->getLocation(), DiagID) 8448c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor << D->getDeclKindName(); 8548c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor 868dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor return 0; 878dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 885545e166a956a20d7a6b58408e251a1119025485Douglas Gregor 89fd810b1386ed29b250e7d522ea826a65c815e49dJohn McCall const LangOptions &getLangOptions() { 90fd810b1386ed29b250e7d522ea826a65c815e49dJohn McCall return SemaRef.getLangOptions(); 91fd810b1386ed29b250e7d522ea826a65c815e49dJohn McCall } 92fd810b1386ed29b250e7d522ea826a65c815e49dJohn McCall 935545e166a956a20d7a6b58408e251a1119025485Douglas Gregor // Helper functions for instantiating methods. 9421ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall TypeSourceInfo *SubstFunctionType(FunctionDecl *D, 955545e166a956a20d7a6b58408e251a1119025485Douglas Gregor llvm::SmallVectorImpl<ParmVarDecl *> &Params); 96e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor bool InitFunctionInstantiation(FunctionDecl *New, FunctionDecl *Tmpl); 975545e166a956a20d7a6b58408e251a1119025485Douglas Gregor bool InitMethodInstantiation(CXXMethodDecl *New, CXXMethodDecl *Tmpl); 98e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 99e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall TemplateParameterList * 100ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCall SubstTemplateParams(TemplateParameterList *List); 101b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 102b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall bool SubstQualifier(const DeclaratorDecl *OldDecl, 103b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall DeclaratorDecl *NewDecl); 104b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall bool SubstQualifier(const TagDecl *OldDecl, 105b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall TagDecl *NewDecl); 106ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 107ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor bool InstantiateClassTemplatePartialSpecialization( 108ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplateDecl *ClassTemplate, 109ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplatePartialSpecializationDecl *PartialSpec); 1108dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor }; 1118dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor} 1128dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 113b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCallbool TemplateDeclInstantiator::SubstQualifier(const DeclaratorDecl *OldDecl, 114b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall DeclaratorDecl *NewDecl) { 115b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall NestedNameSpecifier *OldQual = OldDecl->getQualifier(); 116b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (!OldQual) return false; 117b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 118b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall SourceRange QualRange = OldDecl->getQualifierRange(); 119b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 120b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall NestedNameSpecifier *NewQual 121b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall = SemaRef.SubstNestedNameSpecifier(OldQual, QualRange, TemplateArgs); 122b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (!NewQual) 123b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall return true; 124b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 125b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall NewDecl->setQualifierInfo(NewQual, QualRange); 126b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall return false; 127b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall} 128b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 129b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCallbool TemplateDeclInstantiator::SubstQualifier(const TagDecl *OldDecl, 130b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall TagDecl *NewDecl) { 131b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall NestedNameSpecifier *OldQual = OldDecl->getQualifier(); 132b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (!OldQual) return false; 133b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 134b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall SourceRange QualRange = OldDecl->getQualifierRange(); 135b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 136b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall NestedNameSpecifier *NewQual 137b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall = SemaRef.SubstNestedNameSpecifier(OldQual, QualRange, TemplateArgs); 138b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (!NewQual) 139b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall return true; 140b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 141b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall NewDecl->setQualifierInfo(NewQual, QualRange); 142b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall return false; 143b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall} 144b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 145d8fe2d56fb5463c9d109e8c6dab2e98b06bee186Anders Carlsson// FIXME: Is this too simple? 146d8fe2d56fb5463c9d109e8c6dab2e98b06bee186Anders Carlssonvoid TemplateDeclInstantiator::InstantiateAttrs(Decl *Tmpl, Decl *New) { 147d8fe2d56fb5463c9d109e8c6dab2e98b06bee186Anders Carlsson for (const Attr *TmplAttr = Tmpl->getAttrs(); TmplAttr; 148d8fe2d56fb5463c9d109e8c6dab2e98b06bee186Anders Carlsson TmplAttr = TmplAttr->getNext()) { 149d8fe2d56fb5463c9d109e8c6dab2e98b06bee186Anders Carlsson 150d8fe2d56fb5463c9d109e8c6dab2e98b06bee186Anders Carlsson // FIXME: Is cloning correct for all attributes? 151d8fe2d56fb5463c9d109e8c6dab2e98b06bee186Anders Carlsson Attr *NewAttr = TmplAttr->clone(SemaRef.Context); 152d8fe2d56fb5463c9d109e8c6dab2e98b06bee186Anders Carlsson 153d8fe2d56fb5463c9d109e8c6dab2e98b06bee186Anders Carlsson New->addAttr(NewAttr); 154d8fe2d56fb5463c9d109e8c6dab2e98b06bee186Anders Carlsson } 155d8fe2d56fb5463c9d109e8c6dab2e98b06bee186Anders Carlsson} 156d8fe2d56fb5463c9d109e8c6dab2e98b06bee186Anders Carlsson 1574f722be4587a7a0dece399fb5405dda158971ae1Douglas GregorDecl * 1584f722be4587a7a0dece399fb5405dda158971ae1Douglas GregorTemplateDeclInstantiator::VisitTranslationUnitDecl(TranslationUnitDecl *D) { 1594f722be4587a7a0dece399fb5405dda158971ae1Douglas Gregor assert(false && "Translation units cannot be instantiated"); 1604f722be4587a7a0dece399fb5405dda158971ae1Douglas Gregor return D; 1614f722be4587a7a0dece399fb5405dda158971ae1Douglas Gregor} 1624f722be4587a7a0dece399fb5405dda158971ae1Douglas Gregor 1634f722be4587a7a0dece399fb5405dda158971ae1Douglas GregorDecl * 1644f722be4587a7a0dece399fb5405dda158971ae1Douglas GregorTemplateDeclInstantiator::VisitNamespaceDecl(NamespaceDecl *D) { 1654f722be4587a7a0dece399fb5405dda158971ae1Douglas Gregor assert(false && "Namespaces cannot be instantiated"); 1664f722be4587a7a0dece399fb5405dda158971ae1Douglas Gregor return D; 1674f722be4587a7a0dece399fb5405dda158971ae1Douglas Gregor} 1684f722be4587a7a0dece399fb5405dda158971ae1Douglas Gregor 1693dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCallDecl * 1703dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCallTemplateDeclInstantiator::VisitNamespaceAliasDecl(NamespaceAliasDecl *D) { 1713dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall NamespaceAliasDecl *Inst 1723dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall = NamespaceAliasDecl::Create(SemaRef.Context, Owner, 1733dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall D->getNamespaceLoc(), 1743dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall D->getAliasLoc(), 1753dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall D->getNamespace()->getIdentifier(), 1763dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall D->getQualifierRange(), 1773dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall D->getQualifier(), 1783dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall D->getTargetNameLoc(), 1793dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall D->getNamespace()); 1803dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall Owner->addDecl(Inst); 1813dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall return Inst; 1823dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall} 1833dbd3d5c04cd5abd7dfd83b15f51d7c610a3c512John McCall 1848dbc2694424b4e842b1d5ea39744a137b58600c3Douglas GregorDecl *TemplateDeclInstantiator::VisitTypedefDecl(TypedefDecl *D) { 1858dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor bool Invalid = false; 186a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = D->getTypeSourceInfo(); 187ba6a9bd384df475780be636ca45bcef5c5bbd19fJohn McCall if (DI->getType()->isDependentType()) { 188ba6a9bd384df475780be636ca45bcef5c5bbd19fJohn McCall DI = SemaRef.SubstType(DI, TemplateArgs, 189ba6a9bd384df475780be636ca45bcef5c5bbd19fJohn McCall D->getLocation(), D->getDeclName()); 190ba6a9bd384df475780be636ca45bcef5c5bbd19fJohn McCall if (!DI) { 1918dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Invalid = true; 192a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall DI = SemaRef.Context.getTrivialTypeSourceInfo(SemaRef.Context.IntTy); 1938dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 1948dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 1951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1968dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // Create the new typedef 1978dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor TypedefDecl *Typedef 1988dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor = TypedefDecl::Create(SemaRef.Context, Owner, D->getLocation(), 199ba6a9bd384df475780be636ca45bcef5c5bbd19fJohn McCall D->getIdentifier(), DI); 2008dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor if (Invalid) 2018dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Typedef->setInvalidDecl(); 2028dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 203d57a38ee02c285d69d05fed6df0d7406b2517888Douglas Gregor if (const TagType *TT = DI->getType()->getAs<TagType>()) { 204d57a38ee02c285d69d05fed6df0d7406b2517888Douglas Gregor TagDecl *TD = TT->getDecl(); 205d57a38ee02c285d69d05fed6df0d7406b2517888Douglas Gregor 206d57a38ee02c285d69d05fed6df0d7406b2517888Douglas Gregor // If the TagDecl that the TypedefDecl points to is an anonymous decl 207d57a38ee02c285d69d05fed6df0d7406b2517888Douglas Gregor // keep track of the TypedefDecl. 208d57a38ee02c285d69d05fed6df0d7406b2517888Douglas Gregor if (!TD->getIdentifier() && !TD->getTypedefForAnonDecl()) 209d57a38ee02c285d69d05fed6df0d7406b2517888Douglas Gregor TD->setTypedefForAnonDecl(Typedef); 210d57a38ee02c285d69d05fed6df0d7406b2517888Douglas Gregor } 211d57a38ee02c285d69d05fed6df0d7406b2517888Douglas Gregor 2125126fd0dd92c4ec211c837ee78d5ce59c68dcbd5John McCall if (TypedefDecl *Prev = D->getPreviousDeclaration()) { 2137c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor NamedDecl *InstPrev = SemaRef.FindInstantiatedDecl(D->getLocation(), Prev, 2147c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor TemplateArgs); 2155126fd0dd92c4ec211c837ee78d5ce59c68dcbd5John McCall Typedef->setPreviousDeclaration(cast<TypedefDecl>(InstPrev)); 2165126fd0dd92c4ec211c837ee78d5ce59c68dcbd5John McCall } 2175126fd0dd92c4ec211c837ee78d5ce59c68dcbd5John McCall 218d57a38ee02c285d69d05fed6df0d7406b2517888Douglas Gregor 21946460a68f6508775e98c19b4bb8454bb471aac24John McCall Typedef->setAccess(D->getAccess()); 22017945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis Owner->addDecl(Typedef); 2211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2228dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor return Typedef; 2238dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor} 2248dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 2256eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor/// \brief Instantiate the arguments provided as part of initialization. 2266eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor/// 2276eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor/// \returns true if an error occurred, false otherwise. 2286eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregorstatic bool InstantiateInitializationArguments(Sema &SemaRef, 2296eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor Expr **Args, unsigned NumArgs, 2306eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor const MultiLevelTemplateArgumentList &TemplateArgs, 2316eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor llvm::SmallVectorImpl<SourceLocation> &FakeCommaLocs, 2326eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor ASTOwningVector<&ActionBase::DeleteExpr> &InitArgs) { 2336eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor for (unsigned I = 0; I != NumArgs; ++I) { 2346eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor // When we hit the first defaulted argument, break out of the loop: 2356eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor // we don't pass those default arguments on. 2366eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor if (Args[I]->isDefaultArgument()) 2376eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor break; 2386eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor 2396eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor Sema::OwningExprResult Arg = SemaRef.SubstExpr(Args[I], TemplateArgs); 2406eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor if (Arg.isInvalid()) 2416eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor return true; 2426eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor 2436eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor Expr *ArgExpr = (Expr *)Arg.get(); 2446eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor InitArgs.push_back(Arg.release()); 2456eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor 2466eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor // FIXME: We're faking all of the comma locations. Do we need them? 2476eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor FakeCommaLocs.push_back( 2486eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor SemaRef.PP.getLocForEndOfToken(ArgExpr->getLocEnd())); 2496eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor } 2506eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor 2516eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor return false; 2526eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor} 2536eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor 2546b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// \brief Instantiate an initializer, breaking it into separate 2556b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// initialization arguments. 2566b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// 2576b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// \param S The semantic analysis object. 2586b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// 2596b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// \param Init The initializer to instantiate. 2606b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// 2616b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// \param TemplateArgs Template arguments to be substituted into the 2626b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// initializer. 2636b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// 2646b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// \param NewArgs Will be filled in with the instantiation arguments. 2656b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// 2666b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor/// \returns true if an error occurred, false otherwise 2676b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregorstatic bool InstantiateInitializer(Sema &S, Expr *Init, 2686b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor const MultiLevelTemplateArgumentList &TemplateArgs, 2696b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor SourceLocation &LParenLoc, 2706b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor llvm::SmallVector<SourceLocation, 4> &CommaLocs, 2716b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor ASTOwningVector<&ActionBase::DeleteExpr> &NewArgs, 2726b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor SourceLocation &RParenLoc) { 2736b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor NewArgs.clear(); 2746b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor LParenLoc = SourceLocation(); 2756b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor RParenLoc = SourceLocation(); 2766b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 2776b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (!Init) 2786b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor return false; 2796b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 2806b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (CXXExprWithTemporaries *ExprTemp = dyn_cast<CXXExprWithTemporaries>(Init)) 2816b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor Init = ExprTemp->getSubExpr(); 2826b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 2836b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor while (CXXBindTemporaryExpr *Binder = dyn_cast<CXXBindTemporaryExpr>(Init)) 2846b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor Init = Binder->getSubExpr(); 2856b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 2866b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(Init)) 2876b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor Init = ICE->getSubExprAsWritten(); 2886b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 2896b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (ParenListExpr *ParenList = dyn_cast<ParenListExpr>(Init)) { 2906b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor LParenLoc = ParenList->getLParenLoc(); 2916b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor RParenLoc = ParenList->getRParenLoc(); 2926b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor return InstantiateInitializationArguments(S, ParenList->getExprs(), 2936b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor ParenList->getNumExprs(), 2946b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor TemplateArgs, CommaLocs, 2956b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor NewArgs); 2966b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor } 2976b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 2986b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (CXXConstructExpr *Construct = dyn_cast<CXXConstructExpr>(Init)) { 29928329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor if (!isa<CXXTemporaryObjectExpr>(Construct)) { 30028329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor if (InstantiateInitializationArguments(S, 30128329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor Construct->getArgs(), 30228329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor Construct->getNumArgs(), 30328329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor TemplateArgs, 30428329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor CommaLocs, NewArgs)) 30528329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor return true; 30628329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor 30728329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor // FIXME: Fake locations! 30828329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor LParenLoc = S.PP.getLocForEndOfToken(Init->getLocStart()); 30928329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor RParenLoc = CommaLocs.empty()? LParenLoc : CommaLocs.back(); 31028329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor return false; 31128329e511854fdd3b31561b2690f91f9e6a6402eDouglas Gregor } 3126b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor } 3136b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 3146b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor Sema::OwningExprResult Result = S.SubstExpr(Init, TemplateArgs); 3156b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (Result.isInvalid()) 3166b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor return true; 3176b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 3186b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor NewArgs.push_back(Result.takeAs<Expr>()); 3196b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor return false; 3206b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor} 3216b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor 3223d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas GregorDecl *TemplateDeclInstantiator::VisitVarDecl(VarDecl *D) { 323ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCall // Do substitution on the type of the declaration 324a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = SemaRef.SubstType(D->getTypeSourceInfo(), 3250a5fa06a688e1086ea553a24b42b9915996ed1f7John McCall TemplateArgs, 3260a5fa06a688e1086ea553a24b42b9915996ed1f7John McCall D->getTypeSpecStartLoc(), 3270a5fa06a688e1086ea553a24b42b9915996ed1f7John McCall D->getDeclName()); 3280a5fa06a688e1086ea553a24b42b9915996ed1f7John McCall if (!DI) 3293d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor return 0; 3303d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor 331b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor // Build the instantiated declaration 3323d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor VarDecl *Var = VarDecl::Create(SemaRef.Context, Owner, 3333d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor D->getLocation(), D->getIdentifier(), 3340a5fa06a688e1086ea553a24b42b9915996ed1f7John McCall DI->getType(), DI, 33516573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor D->getStorageClass(), 33616573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor D->getStorageClassAsWritten()); 3373d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor Var->setThreadSpecified(D->isThreadSpecified()); 3383d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor Var->setCXXDirectInitializer(D->hasCXXDirectInitializer()); 3393d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor Var->setDeclaredInCondition(D->isDeclaredInCondition()); 3401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 341b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Substitute the nested name specifier, if any. 342b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (SubstQualifier(D, Var)) 343b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall return 0; 344b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 3451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If we are instantiating a static data member defined 3467caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // out-of-line, the instantiation will have the same lexical 3477caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // context (which will be a namespace scope) as the template. 3487caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (D->isOutOfLine()) 3497caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor Var->setLexicalDeclContext(D->getLexicalDeclContext()); 3501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35146460a68f6508775e98c19b4bb8454bb471aac24John McCall Var->setAccess(D->getAccess()); 35246460a68f6508775e98c19b4bb8454bb471aac24John McCall 353390b4cc8b45a05612349269ef08faab3e4688f06Mike Stump // FIXME: In theory, we could have a previous declaration for variables that 354390b4cc8b45a05612349269ef08faab3e4688f06Mike Stump // are not static data members. 3553d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor bool Redeclaration = false; 3566826314938f8510cd1a6b03b5d032592456ae27bJohn McCall // FIXME: having to fake up a LookupResult is dumb. 3576826314938f8510cd1a6b03b5d032592456ae27bJohn McCall LookupResult Previous(SemaRef, Var->getDeclName(), Var->getLocation(), 358449d0a829007ea654912098e6a73134a2c529d61Douglas Gregor Sema::LookupOrdinaryName, Sema::ForRedeclaration); 35960c93c9981c467738369702e7aa23fd58c2b6aacDouglas Gregor if (D->isStaticDataMember()) 36060c93c9981c467738369702e7aa23fd58c2b6aacDouglas Gregor SemaRef.LookupQualifiedName(Previous, Owner, false); 3616826314938f8510cd1a6b03b5d032592456ae27bJohn McCall SemaRef.CheckVariableDeclaration(Var, Previous, Redeclaration); 3621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3637caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (D->isOutOfLine()) { 3647caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor D->getLexicalDeclContext()->addDecl(Var); 3657caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor Owner->makeDeclVisibleInContext(Var); 3667caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor } else { 3677caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor Owner->addDecl(Var); 3687caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor } 3691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 370251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor // Link instantiations of static data members back to the template from 371251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor // which they were instantiated. 372251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor if (Var->isStaticDataMember()) 373251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor SemaRef.Context.setInstantiatedFromStaticDataMember(Var, D, 374cf3293eaeb3853d12cff47e648bbe835004e929fDouglas Gregor TSK_ImplicitInstantiation); 375251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor 37660c93c9981c467738369702e7aa23fd58c2b6aacDouglas Gregor if (Var->getAnyInitializer()) { 37760c93c9981c467738369702e7aa23fd58c2b6aacDouglas Gregor // We already have an initializer in the class. 37860c93c9981c467738369702e7aa23fd58c2b6aacDouglas Gregor } else if (D->getInit()) { 3791f5f3a4d58a1c7c50c331b33329fc14563533c04Douglas Gregor if (Var->isStaticDataMember() && !D->isOutOfLine()) 3801f5f3a4d58a1c7c50c331b33329fc14563533c04Douglas Gregor SemaRef.PushExpressionEvaluationContext(Sema::Unevaluated); 3811f5f3a4d58a1c7c50c331b33329fc14563533c04Douglas Gregor else 3821f5f3a4d58a1c7c50c331b33329fc14563533c04Douglas Gregor SemaRef.PushExpressionEvaluationContext(Sema::PotentiallyEvaluated); 3831f5f3a4d58a1c7c50c331b33329fc14563533c04Douglas Gregor 3846b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor // Instantiate the initializer. 3856b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor SourceLocation LParenLoc, RParenLoc; 3866b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor llvm::SmallVector<SourceLocation, 4> CommaLocs; 3876b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor ASTOwningVector<&ActionBase::DeleteExpr> InitArgs(SemaRef); 3886b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (!InstantiateInitializer(SemaRef, D->getInit(), TemplateArgs, LParenLoc, 3896b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor CommaLocs, InitArgs, RParenLoc)) { 3906b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor // Attach the initializer to the declaration. 3916b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (D->hasCXXDirectInitializer()) { 3926eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor // Add the direct initializer to the declaration. 3936eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor SemaRef.AddCXXDirectInitializerToDecl(Sema::DeclPtrTy::make(Var), 3946b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor LParenLoc, 3956eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor move_arg(InitArgs), 3966eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor CommaLocs.data(), 3976b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor RParenLoc); 3986b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor } else if (InitArgs.size() == 1) { 3996b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor Expr *Init = (Expr*)(InitArgs.take()[0]); 4006b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor SemaRef.AddInitializerToDecl(Sema::DeclPtrTy::make(Var), 4016b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor SemaRef.Owned(Init), 4026b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor false); 4036b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor } else { 4046b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor assert(InitArgs.size() == 0); 4056b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor SemaRef.ActOnUninitializedDecl(Sema::DeclPtrTy::make(Var), false); 40683ddad3ab513f5d73698cf9fbeb4ed3f011bc3b9Douglas Gregor } 4076eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor } else { 4086b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor // FIXME: Not too happy about invalidating the declaration 4096b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor // because of a bogus initializer. 4106b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor Var->setInvalidDecl(); 4116eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor } 4126eef519fc8a97bb7ca6066f23d35e10f06b2c1b5Douglas Gregor 4131f5f3a4d58a1c7c50c331b33329fc14563533c04Douglas Gregor SemaRef.PopExpressionEvaluationContext(); 41465b90055dd30cfb83d8344ff62ed428257431be4Douglas Gregor } else if (!Var->isStaticDataMember() || Var->isOutOfLine()) 41565b90055dd30cfb83d8344ff62ed428257431be4Douglas Gregor SemaRef.ActOnUninitializedDecl(Sema::DeclPtrTy::make(Var), false); 4163d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor 4173d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor return Var; 4183d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor} 4193d7a12a50558c31d4351e923c15ab57688f4fdf2Douglas Gregor 4208dbc2694424b4e842b1d5ea39744a137b58600c3Douglas GregorDecl *TemplateDeclInstantiator::VisitFieldDecl(FieldDecl *D) { 4218dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor bool Invalid = false; 422a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = D->getTypeSourceInfo(); 42307fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall if (DI->getType()->isDependentType()) { 42407fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall DI = SemaRef.SubstType(DI, TemplateArgs, 42507fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall D->getLocation(), D->getDeclName()); 42607fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall if (!DI) { 427a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall DI = D->getTypeSourceInfo(); 42807fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall Invalid = true; 42907fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall } else if (DI->getType()->isFunctionType()) { 4308dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // C++ [temp.arg.type]p3: 4318dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // If a declaration acquires a function type through a type 4328dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // dependent on a template-parameter and this causes a 4338dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // declaration that does not use the syntactic form of a 4348dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // function declarator to have function type, the program is 4358dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // ill-formed. 4368dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor SemaRef.Diag(D->getLocation(), diag::err_field_instantiates_to_function) 43707fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall << DI->getType(); 4388dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Invalid = true; 4398dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 4408dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 4418dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 4428dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Expr *BitWidth = D->getBitWidth(); 4438dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor if (Invalid) 4448dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor BitWidth = 0; 4458dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor else if (BitWidth) { 446ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor // The bit-width expression is not potentially evaluated. 447ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor EnterExpressionEvaluationContext Unevaluated(SemaRef, Action::Unevaluated); 4481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4498dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor OwningExprResult InstantiatedBitWidth 450ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCall = SemaRef.SubstExpr(BitWidth, TemplateArgs); 4518dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor if (InstantiatedBitWidth.isInvalid()) { 4528dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Invalid = true; 4538dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor BitWidth = 0; 4548dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } else 455e9146f2e9f1c4e281544e8c080934c72d41012caAnders Carlsson BitWidth = InstantiatedBitWidth.takeAs<Expr>(); 4568dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 4578dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 45807fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall FieldDecl *Field = SemaRef.CheckFieldDecl(D->getDeclName(), 45907fb6bef6242c0f2ab47f059583edbdef924823eJohn McCall DI->getType(), DI, 4601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump cast<RecordDecl>(Owner), 4618dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor D->getLocation(), 4628dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor D->isMutable(), 4638dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor BitWidth, 464ea218b8e8f9ba82d1c76bcb7e86d121a5f65ebedSteve Naroff D->getTypeSpecStartLoc(), 4658dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor D->getAccess(), 4668dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 0); 467663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor if (!Field) { 468663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor cast<Decl>(Owner)->setInvalidDecl(); 469f4b5f5c6a1487317aab9aa30d97bccfd57c82c98Anders Carlsson return 0; 470663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor } 4711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 472d8fe2d56fb5463c9d109e8c6dab2e98b06bee186Anders Carlsson InstantiateAttrs(D, Field); 473d8fe2d56fb5463c9d109e8c6dab2e98b06bee186Anders Carlsson 474f4b5f5c6a1487317aab9aa30d97bccfd57c82c98Anders Carlsson if (Invalid) 475f4b5f5c6a1487317aab9aa30d97bccfd57c82c98Anders Carlsson Field->setInvalidDecl(); 4761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 477f4b5f5c6a1487317aab9aa30d97bccfd57c82c98Anders Carlsson if (!Field->getDeclName()) { 478f4b5f5c6a1487317aab9aa30d97bccfd57c82c98Anders Carlsson // Keep track of where this decl came from. 479f4b5f5c6a1487317aab9aa30d97bccfd57c82c98Anders Carlsson SemaRef.Context.setInstantiatedFromUnnamedFieldDecl(Field, D); 4808dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 4811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 482f4b5f5c6a1487317aab9aa30d97bccfd57c82c98Anders Carlsson Field->setImplicit(D->isImplicit()); 48346460a68f6508775e98c19b4bb8454bb471aac24John McCall Field->setAccess(D->getAccess()); 484f4b5f5c6a1487317aab9aa30d97bccfd57c82c98Anders Carlsson Owner->addDecl(Field); 4858dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 4868dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor return Field; 4878dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor} 4888dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 48902cace78cf48cc26686bd5b07c78606abca13bcdJohn McCallDecl *TemplateDeclInstantiator::VisitFriendDecl(FriendDecl *D) { 49002cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall // Handle friend type expressions by simply substituting template 49106245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor // parameters into the pattern type and checking the result. 49232f2fb53d9d7c28c94d8569fd0fcf06cccee0c3dJohn McCall if (TypeSourceInfo *Ty = D->getFriendType()) { 49332f2fb53d9d7c28c94d8569fd0fcf06cccee0c3dJohn McCall TypeSourceInfo *InstTy = 49432f2fb53d9d7c28c94d8569fd0fcf06cccee0c3dJohn McCall SemaRef.SubstType(Ty, TemplateArgs, 49532f2fb53d9d7c28c94d8569fd0fcf06cccee0c3dJohn McCall D->getLocation(), DeclarationName()); 49606245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor if (!InstTy) 49706245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor return 0; 498fd810b1386ed29b250e7d522ea826a65c815e49dJohn McCall 49906245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor FriendDecl *FD = SemaRef.CheckFriendTypeDecl(D->getFriendLoc(), InstTy); 50006245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor if (!FD) 50106245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor return 0; 50206245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor 50306245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor FD->setAccess(AS_public); 50406245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor Owner->addDecl(FD); 50506245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor return FD; 50606245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor } 50706245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor 50806245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor NamedDecl *ND = D->getFriendDecl(); 50906245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor assert(ND && "friend decl must be a decl or a type!"); 51032f2fb53d9d7c28c94d8569fd0fcf06cccee0c3dJohn McCall 511af2094e7cecadf36667deb61a83587ffdd979bd3John McCall // All of the Visit implementations for the various potential friend 512af2094e7cecadf36667deb61a83587ffdd979bd3John McCall // declarations have to be carefully written to work for friend 513af2094e7cecadf36667deb61a83587ffdd979bd3John McCall // objects, with the most important detail being that the target 514af2094e7cecadf36667deb61a83587ffdd979bd3John McCall // decl should almost certainly not be placed in Owner. 515af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Decl *NewND = Visit(ND); 51606245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor if (!NewND) return 0; 5171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 51802cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall FriendDecl *FD = 51906245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor FriendDecl::Create(SemaRef.Context, Owner, D->getLocation(), 52006245bfb3ae40bb24a8bfb17eafeb266a4daf5caDouglas Gregor cast<NamedDecl>(NewND), D->getFriendLoc()); 5215fee110ac106370f75592df024001de73edced2aJohn McCall FD->setAccess(AS_public); 52202cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall Owner->addDecl(FD); 52302cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall return FD; 524fd810b1386ed29b250e7d522ea826a65c815e49dJohn McCall} 525fd810b1386ed29b250e7d522ea826a65c815e49dJohn McCall 5268dbc2694424b4e842b1d5ea39744a137b58600c3Douglas GregorDecl *TemplateDeclInstantiator::VisitStaticAssertDecl(StaticAssertDecl *D) { 5278dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Expr *AssertExpr = D->getAssertExpr(); 5281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 529ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor // The expression in a static assertion is not potentially evaluated. 530ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor EnterExpressionEvaluationContext Unevaluated(SemaRef, Action::Unevaluated); 5311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5328dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor OwningExprResult InstantiatedAssertExpr 533ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCall = SemaRef.SubstExpr(AssertExpr, TemplateArgs); 5348dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor if (InstantiatedAssertExpr.isInvalid()) 5358dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor return 0; 5368dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 53743d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor OwningExprResult Message(SemaRef, D->getMessage()); 53843d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor D->getMessage()->Retain(); 5391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Decl *StaticAssert 5401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump = SemaRef.ActOnStaticAssertDeclaration(D->getLocation(), 541b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner move(InstantiatedAssertExpr), 542b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner move(Message)).getAs<Decl>(); 5438dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor return StaticAssert; 5448dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor} 5458dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 5468dbc2694424b4e842b1d5ea39744a137b58600c3Douglas GregorDecl *TemplateDeclInstantiator::VisitEnumDecl(EnumDecl *D) { 5471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump EnumDecl *Enum = EnumDecl::Create(SemaRef.Context, Owner, 5488dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor D->getLocation(), D->getIdentifier(), 549741dd9a7e1d63e4e385b657e4ce11c5d96d44f72Douglas Gregor D->getTagKeywordLoc(), 5508dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor /*PrevDecl=*/0); 5518dbc3c64965f99e48830885835b7d2fc26ec3cf5Douglas Gregor Enum->setInstantiationOfMemberEnum(D); 55206c0fecd197fef21e265a41bca8dc5022de1f864Douglas Gregor Enum->setAccess(D->getAccess()); 553b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (SubstQualifier(D, Enum)) return 0; 55417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis Owner->addDecl(Enum); 5558dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Enum->startDefinition(); 5568dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 55796084f171f4824397dc48453146f0a9719cb9247Douglas Gregor if (D->getDeclContext()->isFunctionOrMethod()) 55896084f171f4824397dc48453146f0a9719cb9247Douglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal(D, Enum); 55996084f171f4824397dc48453146f0a9719cb9247Douglas Gregor 5600ca20ac8cea99c43d89510f29cf3dc876f9c9111Douglas Gregor llvm::SmallVector<Sema::DeclPtrTy, 4> Enumerators; 5618dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 5628dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor EnumConstantDecl *LastEnumConst = 0; 56317945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (EnumDecl::enumerator_iterator EC = D->enumerator_begin(), 56417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis ECEnd = D->enumerator_end(); 5658dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor EC != ECEnd; ++EC) { 5668dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // The specified value for the enumerator. 5678dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor OwningExprResult Value = SemaRef.Owned((Expr *)0); 568ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor if (Expr *UninstValue = EC->getInitExpr()) { 569ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor // The enumerator's value expression is not potentially evaluated. 5701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump EnterExpressionEvaluationContext Unevaluated(SemaRef, 571ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor Action::Unevaluated); 5721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 573ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCall Value = SemaRef.SubstExpr(UninstValue, TemplateArgs); 574ac7610dad6653bad02dd42de198ca358b6fb1f1dDouglas Gregor } 5758dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 5768dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor // Drop the initial value and continue. 5778dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor bool isInvalid = false; 5788dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor if (Value.isInvalid()) { 5798dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Value = SemaRef.Owned((Expr *)0); 5808dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor isInvalid = true; 5818dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 5828dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 5831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump EnumConstantDecl *EnumConst 5848dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor = SemaRef.CheckEnumConstant(Enum, LastEnumConst, 5858dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor EC->getLocation(), EC->getIdentifier(), 5868dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor move(Value)); 5878dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 5888dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor if (isInvalid) { 5898dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor if (EnumConst) 5908dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor EnumConst->setInvalidDecl(); 5918dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor Enum->setInvalidDecl(); 5928dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 5938dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 5948dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor if (EnumConst) { 5953b85ecf2049c8670eba30d0c06f28f64168af9b8John McCall EnumConst->setAccess(Enum->getAccess()); 59617945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis Enum->addDecl(EnumConst); 597b28317a8e5e0e2953d1e5406d753d6c3c7f1e7d2Chris Lattner Enumerators.push_back(Sema::DeclPtrTy::make(EnumConst)); 5988dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor LastEnumConst = EnumConst; 59996084f171f4824397dc48453146f0a9719cb9247Douglas Gregor 60096084f171f4824397dc48453146f0a9719cb9247Douglas Gregor if (D->getDeclContext()->isFunctionOrMethod()) { 60196084f171f4824397dc48453146f0a9719cb9247Douglas Gregor // If the enumeration is within a function or method, record the enum 60296084f171f4824397dc48453146f0a9719cb9247Douglas Gregor // constant as a local. 60396084f171f4824397dc48453146f0a9719cb9247Douglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal(*EC, EnumConst); 60496084f171f4824397dc48453146f0a9719cb9247Douglas Gregor } 6058dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 6068dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor } 6071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 608c6e35aae23bc3cea7daf5ee075fa695c01c0f66fMike Stump // FIXME: Fixup LBraceLoc and RBraceLoc 609fee13819693c8492f0c364bc704645e844ef737aEdward O'Callaghan // FIXME: Empty Scope and AttributeList (required to handle attribute packed). 610c6e35aae23bc3cea7daf5ee075fa695c01c0f66fMike Stump SemaRef.ActOnEnumBody(Enum->getLocation(), SourceLocation(), SourceLocation(), 611c6e35aae23bc3cea7daf5ee075fa695c01c0f66fMike Stump Sema::DeclPtrTy::make(Enum), 612fee13819693c8492f0c364bc704645e844ef737aEdward O'Callaghan &Enumerators[0], Enumerators.size(), 613fee13819693c8492f0c364bc704645e844ef737aEdward O'Callaghan 0, 0); 6148dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 6158dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor return Enum; 6168dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor} 6178dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 6186477b69cc93e0a0ff15036d60d604f3544da0f29Douglas GregorDecl *TemplateDeclInstantiator::VisitEnumConstantDecl(EnumConstantDecl *D) { 6196477b69cc93e0a0ff15036d60d604f3544da0f29Douglas Gregor assert(false && "EnumConstantDecls can only occur within EnumDecls."); 6206477b69cc93e0a0ff15036d60d604f3544da0f29Douglas Gregor return 0; 6216477b69cc93e0a0ff15036d60d604f3544da0f29Douglas Gregor} 6226477b69cc93e0a0ff15036d60d604f3544da0f29Douglas Gregor 623e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCallDecl *TemplateDeclInstantiator::VisitClassTemplateDecl(ClassTemplateDecl *D) { 62493ba8579c341d5329175f1413cdc3b35a36592d2John McCall bool isFriend = (D->getFriendObjectKind() != Decl::FOK_None); 62593ba8579c341d5329175f1413cdc3b35a36592d2John McCall 626550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // Create a local instantiation scope for this class template, which 627550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // will contain the instantiations of the template parameters. 628550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor Sema::LocalInstantiationScope Scope(SemaRef); 629e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall TemplateParameterList *TempParams = D->getTemplateParameters(); 630ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCall TemplateParameterList *InstParams = SubstTemplateParams(TempParams); 6311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!InstParams) 632d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor return NULL; 633e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 634e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall CXXRecordDecl *Pattern = D->getTemplatedDecl(); 63593ba8579c341d5329175f1413cdc3b35a36592d2John McCall 63693ba8579c341d5329175f1413cdc3b35a36592d2John McCall // Instantiate the qualifier. We have to do this first in case 63793ba8579c341d5329175f1413cdc3b35a36592d2John McCall // we're a friend declaration, because if we are then we need to put 63893ba8579c341d5329175f1413cdc3b35a36592d2John McCall // the new declaration in the appropriate context. 63993ba8579c341d5329175f1413cdc3b35a36592d2John McCall NestedNameSpecifier *Qualifier = Pattern->getQualifier(); 64093ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (Qualifier) { 64193ba8579c341d5329175f1413cdc3b35a36592d2John McCall Qualifier = SemaRef.SubstNestedNameSpecifier(Qualifier, 64293ba8579c341d5329175f1413cdc3b35a36592d2John McCall Pattern->getQualifierRange(), 64393ba8579c341d5329175f1413cdc3b35a36592d2John McCall TemplateArgs); 64493ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (!Qualifier) return 0; 64593ba8579c341d5329175f1413cdc3b35a36592d2John McCall } 64693ba8579c341d5329175f1413cdc3b35a36592d2John McCall 64793ba8579c341d5329175f1413cdc3b35a36592d2John McCall CXXRecordDecl *PrevDecl = 0; 64893ba8579c341d5329175f1413cdc3b35a36592d2John McCall ClassTemplateDecl *PrevClassTemplate = 0; 64993ba8579c341d5329175f1413cdc3b35a36592d2John McCall 65093ba8579c341d5329175f1413cdc3b35a36592d2John McCall // If this isn't a friend, then it's a member template, in which 65193ba8579c341d5329175f1413cdc3b35a36592d2John McCall // case we just want to build the instantiation in the 65293ba8579c341d5329175f1413cdc3b35a36592d2John McCall // specialization. If it is a friend, we want to build it in 65393ba8579c341d5329175f1413cdc3b35a36592d2John McCall // the appropriate context. 65493ba8579c341d5329175f1413cdc3b35a36592d2John McCall DeclContext *DC = Owner; 65593ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (isFriend) { 65693ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (Qualifier) { 65793ba8579c341d5329175f1413cdc3b35a36592d2John McCall CXXScopeSpec SS; 65893ba8579c341d5329175f1413cdc3b35a36592d2John McCall SS.setScopeRep(Qualifier); 65993ba8579c341d5329175f1413cdc3b35a36592d2John McCall SS.setRange(Pattern->getQualifierRange()); 66093ba8579c341d5329175f1413cdc3b35a36592d2John McCall DC = SemaRef.computeDeclContext(SS); 66193ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (!DC) return 0; 66293ba8579c341d5329175f1413cdc3b35a36592d2John McCall } else { 66393ba8579c341d5329175f1413cdc3b35a36592d2John McCall DC = SemaRef.FindInstantiatedContext(Pattern->getLocation(), 66493ba8579c341d5329175f1413cdc3b35a36592d2John McCall Pattern->getDeclContext(), 66593ba8579c341d5329175f1413cdc3b35a36592d2John McCall TemplateArgs); 66693ba8579c341d5329175f1413cdc3b35a36592d2John McCall } 66793ba8579c341d5329175f1413cdc3b35a36592d2John McCall 66893ba8579c341d5329175f1413cdc3b35a36592d2John McCall // Look for a previous declaration of the template in the owning 66993ba8579c341d5329175f1413cdc3b35a36592d2John McCall // context. 67093ba8579c341d5329175f1413cdc3b35a36592d2John McCall LookupResult R(SemaRef, Pattern->getDeclName(), Pattern->getLocation(), 67193ba8579c341d5329175f1413cdc3b35a36592d2John McCall Sema::LookupOrdinaryName, Sema::ForRedeclaration); 67293ba8579c341d5329175f1413cdc3b35a36592d2John McCall SemaRef.LookupQualifiedName(R, DC); 67393ba8579c341d5329175f1413cdc3b35a36592d2John McCall 67493ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (R.isSingleResult()) { 67593ba8579c341d5329175f1413cdc3b35a36592d2John McCall PrevClassTemplate = R.getAsSingle<ClassTemplateDecl>(); 67693ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (PrevClassTemplate) 67793ba8579c341d5329175f1413cdc3b35a36592d2John McCall PrevDecl = PrevClassTemplate->getTemplatedDecl(); 67893ba8579c341d5329175f1413cdc3b35a36592d2John McCall } 67993ba8579c341d5329175f1413cdc3b35a36592d2John McCall 68093ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (!PrevClassTemplate && Qualifier) { 68193ba8579c341d5329175f1413cdc3b35a36592d2John McCall SemaRef.Diag(Pattern->getLocation(), diag::err_not_tag_in_scope) 6821eabb7d0c30f6a876b0fd03ad4656c096c26b8d0Douglas Gregor << D->getTemplatedDecl()->getTagKind() << Pattern->getDeclName() << DC 6831eabb7d0c30f6a876b0fd03ad4656c096c26b8d0Douglas Gregor << Pattern->getQualifierRange(); 68493ba8579c341d5329175f1413cdc3b35a36592d2John McCall return 0; 68593ba8579c341d5329175f1413cdc3b35a36592d2John McCall } 68693ba8579c341d5329175f1413cdc3b35a36592d2John McCall 687c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor bool AdoptedPreviousTemplateParams = false; 68893ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (PrevClassTemplate) { 689c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor bool Complain = true; 690c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor 691c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor // HACK: libstdc++ 4.2.1 contains an ill-formed friend class 692c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor // template for struct std::tr1::__detail::_Map_base, where the 693c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor // template parameters of the friend declaration don't match the 694c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor // template parameters of the original declaration. In this one 695c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor // case, we don't complain about the ill-formed friend 696c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor // declaration. 697c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor if (isFriend && Pattern->getIdentifier() && 698c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor Pattern->getIdentifier()->isStr("_Map_base") && 699c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor DC->isNamespace() && 700c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor cast<NamespaceDecl>(DC)->getIdentifier() && 701c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor cast<NamespaceDecl>(DC)->getIdentifier()->isStr("__detail")) { 702c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor DeclContext *DCParent = DC->getParent(); 703c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor if (DCParent->isNamespace() && 704c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor cast<NamespaceDecl>(DCParent)->getIdentifier() && 705c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor cast<NamespaceDecl>(DCParent)->getIdentifier()->isStr("tr1")) { 706c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor DeclContext *DCParent2 = DCParent->getParent(); 707c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor if (DCParent2->isNamespace() && 708c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor cast<NamespaceDecl>(DCParent2)->getIdentifier() && 709c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor cast<NamespaceDecl>(DCParent2)->getIdentifier()->isStr("std") && 710c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor DCParent2->getParent()->isTranslationUnit()) 711c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor Complain = false; 712c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor } 713c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor } 714c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor 71593ba8579c341d5329175f1413cdc3b35a36592d2John McCall TemplateParameterList *PrevParams 71693ba8579c341d5329175f1413cdc3b35a36592d2John McCall = PrevClassTemplate->getTemplateParameters(); 71793ba8579c341d5329175f1413cdc3b35a36592d2John McCall 71893ba8579c341d5329175f1413cdc3b35a36592d2John McCall // Make sure the parameter lists match. 71993ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (!SemaRef.TemplateParameterListsAreEqual(InstParams, PrevParams, 720c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor Complain, 721c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor Sema::TPL_TemplateMatch)) { 722c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor if (Complain) 723c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor return 0; 724c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor 725c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor AdoptedPreviousTemplateParams = true; 726c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor InstParams = PrevParams; 727c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor } 72893ba8579c341d5329175f1413cdc3b35a36592d2John McCall 72993ba8579c341d5329175f1413cdc3b35a36592d2John McCall // Do some additional validation, then merge default arguments 73093ba8579c341d5329175f1413cdc3b35a36592d2John McCall // from the existing declarations. 731c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor if (!AdoptedPreviousTemplateParams && 732c53d0d762010217d02da5aa14be171817d63e3feDouglas Gregor SemaRef.CheckTemplateParameterList(InstParams, PrevParams, 73393ba8579c341d5329175f1413cdc3b35a36592d2John McCall Sema::TPC_ClassTemplate)) 73493ba8579c341d5329175f1413cdc3b35a36592d2John McCall return 0; 73593ba8579c341d5329175f1413cdc3b35a36592d2John McCall } 73693ba8579c341d5329175f1413cdc3b35a36592d2John McCall } 73793ba8579c341d5329175f1413cdc3b35a36592d2John McCall 738e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall CXXRecordDecl *RecordInst 73993ba8579c341d5329175f1413cdc3b35a36592d2John McCall = CXXRecordDecl::Create(SemaRef.Context, Pattern->getTagKind(), DC, 740e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall Pattern->getLocation(), Pattern->getIdentifier(), 74193ba8579c341d5329175f1413cdc3b35a36592d2John McCall Pattern->getTagKeywordLoc(), PrevDecl, 742f0510d49a6985e9284d30cfc36a0df2a6292a638Douglas Gregor /*DelayTypeCreation=*/true); 743e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 74493ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (Qualifier) 74593ba8579c341d5329175f1413cdc3b35a36592d2John McCall RecordInst->setQualifierInfo(Qualifier, Pattern->getQualifierRange()); 746b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 747e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall ClassTemplateDecl *Inst 74893ba8579c341d5329175f1413cdc3b35a36592d2John McCall = ClassTemplateDecl::Create(SemaRef.Context, DC, D->getLocation(), 74993ba8579c341d5329175f1413cdc3b35a36592d2John McCall D->getIdentifier(), InstParams, RecordInst, 75093ba8579c341d5329175f1413cdc3b35a36592d2John McCall PrevClassTemplate); 751e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall RecordInst->setDescribedClassTemplate(Inst); 752ea7390c7b384ce607bfc8fc13c01f37cfc3776f0John McCall 75393ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (isFriend) { 754ea7390c7b384ce607bfc8fc13c01f37cfc3776f0John McCall if (PrevClassTemplate) 755ea7390c7b384ce607bfc8fc13c01f37cfc3776f0John McCall Inst->setAccess(PrevClassTemplate->getAccess()); 756ea7390c7b384ce607bfc8fc13c01f37cfc3776f0John McCall else 757ea7390c7b384ce607bfc8fc13c01f37cfc3776f0John McCall Inst->setAccess(D->getAccess()); 758ea7390c7b384ce607bfc8fc13c01f37cfc3776f0John McCall 75993ba8579c341d5329175f1413cdc3b35a36592d2John McCall Inst->setObjectOfFriendDecl(PrevClassTemplate != 0); 76093ba8579c341d5329175f1413cdc3b35a36592d2John McCall // TODO: do we want to track the instantiation progeny of this 76193ba8579c341d5329175f1413cdc3b35a36592d2John McCall // friend target decl? 76293ba8579c341d5329175f1413cdc3b35a36592d2John McCall } else { 763e8c01bdb56549adcecd71ce39160eea54b2c51c8Douglas Gregor Inst->setAccess(D->getAccess()); 76493ba8579c341d5329175f1413cdc3b35a36592d2John McCall Inst->setInstantiatedFromMemberTemplate(D); 76593ba8579c341d5329175f1413cdc3b35a36592d2John McCall } 766f0510d49a6985e9284d30cfc36a0df2a6292a638Douglas Gregor 767f0510d49a6985e9284d30cfc36a0df2a6292a638Douglas Gregor // Trigger creation of the type for the instantiation. 7683cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall SemaRef.Context.getInjectedClassNameType(RecordInst, 7693cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall Inst->getInjectedClassNameSpecialization(SemaRef.Context)); 770ea7390c7b384ce607bfc8fc13c01f37cfc3776f0John McCall 771259571e27e513cfaf691cc7447e09b31a47d5438Douglas Gregor // Finish handling of friends. 77293ba8579c341d5329175f1413cdc3b35a36592d2John McCall if (isFriend) { 77393ba8579c341d5329175f1413cdc3b35a36592d2John McCall DC->makeDeclVisibleInContext(Inst, /*Recoverable*/ false); 774e8c01bdb56549adcecd71ce39160eea54b2c51c8Douglas Gregor return Inst; 775259571e27e513cfaf691cc7447e09b31a47d5438Douglas Gregor } 776e8c01bdb56549adcecd71ce39160eea54b2c51c8Douglas Gregor 777e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall Owner->addDecl(Inst); 778ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 779ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Instantiate all of the partial specializations of this member class 780ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // template. 781dc60c1eb4acbde6edcec9760de92f9098593d915Douglas Gregor llvm::SmallVector<ClassTemplatePartialSpecializationDecl *, 4> PartialSpecs; 782dc60c1eb4acbde6edcec9760de92f9098593d915Douglas Gregor D->getPartialSpecializations(PartialSpecs); 783ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor for (unsigned I = 0, N = PartialSpecs.size(); I != N; ++I) 784ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor InstantiateClassTemplatePartialSpecialization(Inst, PartialSpecs[I]); 785ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 786e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall return Inst; 787e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall} 788e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 789d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas GregorDecl * 7907974c3b7062f85bb7c0ada34526cdefe1d30f89bDouglas GregorTemplateDeclInstantiator::VisitClassTemplatePartialSpecializationDecl( 7917974c3b7062f85bb7c0ada34526cdefe1d30f89bDouglas Gregor ClassTemplatePartialSpecializationDecl *D) { 792ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplateDecl *ClassTemplate = D->getSpecializedTemplate(); 793ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 794ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Lookup the already-instantiated declaration in the instantiation 795ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // of the class template and return that. 796ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor DeclContext::lookup_result Found 797ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor = Owner->lookup(ClassTemplate->getDeclName()); 798ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor if (Found.first == Found.second) 799ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return 0; 800ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 801ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplateDecl *InstClassTemplate 802ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor = dyn_cast<ClassTemplateDecl>(*Found.first); 803ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor if (!InstClassTemplate) 804ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return 0; 805ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 806ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor Decl *DCanon = D->getCanonicalDecl(); 807ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor for (llvm::FoldingSet<ClassTemplatePartialSpecializationDecl>::iterator 808ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor P = InstClassTemplate->getPartialSpecializations().begin(), 809ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor PEnd = InstClassTemplate->getPartialSpecializations().end(); 810ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor P != PEnd; ++P) { 811ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor if (P->getInstantiatedFromMember()->getCanonicalDecl() == DCanon) 812ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return &*P; 813ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor } 814ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 8157974c3b7062f85bb7c0ada34526cdefe1d30f89bDouglas Gregor return 0; 8167974c3b7062f85bb7c0ada34526cdefe1d30f89bDouglas Gregor} 8177974c3b7062f85bb7c0ada34526cdefe1d30f89bDouglas Gregor 8187974c3b7062f85bb7c0ada34526cdefe1d30f89bDouglas GregorDecl * 819d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas GregorTemplateDeclInstantiator::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) { 820550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // Create a local instantiation scope for this function template, which 821550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // will contain the instantiations of the template parameters and then get 822550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // merged with the local instantiation scope for the function template 823550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // itself. 824550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor Sema::LocalInstantiationScope Scope(SemaRef); 825895162da2d52f4243f61081d7436de66af4503fcDouglas Gregor 826d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor TemplateParameterList *TempParams = D->getTemplateParameters(); 827d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor TemplateParameterList *InstParams = SubstTemplateParams(TempParams); 8281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!InstParams) 829d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor return NULL; 830ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 831a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor FunctionDecl *Instantiated = 0; 832a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor if (CXXMethodDecl *DMethod = dyn_cast<CXXMethodDecl>(D->getTemplatedDecl())) 833a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor Instantiated = cast_or_null<FunctionDecl>(VisitCXXMethodDecl(DMethod, 834a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor InstParams)); 835a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor else 836a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor Instantiated = cast_or_null<FunctionDecl>(VisitFunctionDecl( 837a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor D->getTemplatedDecl(), 838a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor InstParams)); 839a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor 840a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor if (!Instantiated) 841d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor return 0; 842d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor 84346460a68f6508775e98c19b4bb8454bb471aac24John McCall Instantiated->setAccess(D->getAccess()); 84446460a68f6508775e98c19b4bb8454bb471aac24John McCall 8451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Link the instantiated function template declaration to the function 846d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // template from which it was instantiated. 84737d68185088947322a97eabdc1c0714b0debd929Douglas Gregor FunctionTemplateDecl *InstTemplate 848a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor = Instantiated->getDescribedFunctionTemplate(); 84937d68185088947322a97eabdc1c0714b0debd929Douglas Gregor InstTemplate->setAccess(D->getAccess()); 850a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor assert(InstTemplate && 851a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor "VisitFunctionDecl/CXXMethodDecl didn't create a template!"); 852e976ffe18ee60b81641423f42ff6feec2f5e3cb7John McCall 853b1a56e767cfb645fcb25027ab728dd5824d92615John McCall bool isFriend = (InstTemplate->getFriendObjectKind() != Decl::FOK_None); 854b1a56e767cfb645fcb25027ab728dd5824d92615John McCall 855e976ffe18ee60b81641423f42ff6feec2f5e3cb7John McCall // Link the instantiation back to the pattern *unless* this is a 856e976ffe18ee60b81641423f42ff6feec2f5e3cb7John McCall // non-definition friend declaration. 857e976ffe18ee60b81641423f42ff6feec2f5e3cb7John McCall if (!InstTemplate->getInstantiatedFromMemberTemplate() && 858b1a56e767cfb645fcb25027ab728dd5824d92615John McCall !(isFriend && !D->getTemplatedDecl()->isThisDeclarationADefinition())) 859a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor InstTemplate->setInstantiatedFromMemberTemplate(D); 860a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor 861b1a56e767cfb645fcb25027ab728dd5824d92615John McCall // Make declarations visible in the appropriate context. 862b1a56e767cfb645fcb25027ab728dd5824d92615John McCall if (!isFriend) 863a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor Owner->addDecl(InstTemplate); 864b1a56e767cfb645fcb25027ab728dd5824d92615John McCall 865d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor return InstTemplate; 866d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor} 867d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor 868d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas GregorDecl *TemplateDeclInstantiator::VisitCXXRecordDecl(CXXRecordDecl *D) { 869d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor CXXRecordDecl *PrevDecl = 0; 870d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor if (D->isInjectedClassName()) 871d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor PrevDecl = cast<CXXRecordDecl>(Owner); 8726c1c1b8c6ca743a5b6b4c81f9ac56392c12c7457John McCall else if (D->getPreviousDeclaration()) { 8737c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor NamedDecl *Prev = SemaRef.FindInstantiatedDecl(D->getLocation(), 8747c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor D->getPreviousDeclaration(), 8756c1c1b8c6ca743a5b6b4c81f9ac56392c12c7457John McCall TemplateArgs); 8766c1c1b8c6ca743a5b6b4c81f9ac56392c12c7457John McCall if (!Prev) return 0; 8776c1c1b8c6ca743a5b6b4c81f9ac56392c12c7457John McCall PrevDecl = cast<CXXRecordDecl>(Prev); 8786c1c1b8c6ca743a5b6b4c81f9ac56392c12c7457John McCall } 879d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor 880d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor CXXRecordDecl *Record 8811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump = CXXRecordDecl::Create(SemaRef.Context, D->getTagKind(), Owner, 882741dd9a7e1d63e4e385b657e4ce11c5d96d44f72Douglas Gregor D->getLocation(), D->getIdentifier(), 883741dd9a7e1d63e4e385b657e4ce11c5d96d44f72Douglas Gregor D->getTagKeywordLoc(), PrevDecl); 884b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 885b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Substitute the nested name specifier, if any. 886b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (SubstQualifier(D, Record)) 887b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall return 0; 888b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 889d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor Record->setImplicit(D->isImplicit()); 890eaba1af8529c381d7bfd4dd0a8b48d2c01647972Eli Friedman // FIXME: Check against AS_none is an ugly hack to work around the issue that 891eaba1af8529c381d7bfd4dd0a8b48d2c01647972Eli Friedman // the tag decls introduced by friend class declarations don't have an access 892eaba1af8529c381d7bfd4dd0a8b48d2c01647972Eli Friedman // specifier. Remove once this area of the code gets sorted out. 893eaba1af8529c381d7bfd4dd0a8b48d2c01647972Eli Friedman if (D->getAccess() != AS_none) 894eaba1af8529c381d7bfd4dd0a8b48d2c01647972Eli Friedman Record->setAccess(D->getAccess()); 895d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor if (!D->isInjectedClassName()) 896f6b1185f0a8a209c06dfc1efdb6a59cc851e970cDouglas Gregor Record->setInstantiationOfMemberClass(D, TSK_ImplicitInstantiation); 897d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor 89802cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall // If the original function was part of a friend declaration, 89902cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall // inherit its namespace state. 90002cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall if (Decl::FriendObjectKind FOK = D->getFriendObjectKind()) 90102cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall Record->setObjectOfFriendDecl(FOK == Decl::FOK_Declared); 90202cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall 903d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson Record->setAnonymousStructOrUnion(D->isAnonymousStructOrUnion()); 904d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 90517945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis Owner->addDecl(Record); 906d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor return Record; 907d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor} 908d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor 90902cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// Normal class members are of more specific types and therefore 91002cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// don't make it here. This function serves two purposes: 91102cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// 1) instantiating function templates 91202cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// 2) substituting friend declarations 91302cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// FIXME: preserve function definitions in case #2 9147557a1348d2821dce126a778aa7acd7a00b814fdDouglas GregorDecl *TemplateDeclInstantiator::VisitFunctionDecl(FunctionDecl *D, 915a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor TemplateParameterList *TemplateParams) { 916127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor // Check whether there is already a function template specialization for 917127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor // this declaration. 918127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor FunctionTemplateDecl *FunctionTemplate = D->getDescribedFunctionTemplate(); 919127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor void *InsertPos = 0; 920b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (FunctionTemplate && !TemplateParams) { 921127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor llvm::FoldingSetNodeID ID; 9221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FunctionTemplateSpecializationInfo::Profile(ID, 923d6350aefb1396b299e199c7f1fe51bb40c12e75eDouglas Gregor TemplateArgs.getInnermost().getFlatArgumentList(), 924d6350aefb1396b299e199c7f1fe51bb40c12e75eDouglas Gregor TemplateArgs.getInnermost().flat_size(), 925828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor SemaRef.Context); 9261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FunctionTemplateSpecializationInfo *Info 9281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump = FunctionTemplate->getSpecializations().FindNodeOrInsertPos(ID, 929127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor InsertPos); 9301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 931127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor // If we already have a function template specialization, return it. 932127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor if (Info) 933127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor return Info->Function; 934127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor } 9351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 936b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall bool isFriend; 937b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (FunctionTemplate) 938b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall isFriend = (FunctionTemplate->getFriendObjectKind() != Decl::FOK_None); 939b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall else 940b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall isFriend = (D->getFriendObjectKind() != Decl::FOK_None); 941b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall 94279c2278a66d8fc0943774d1b7c71a32f7764e1e2Douglas Gregor bool MergeWithParentScope = (TemplateParams != 0) || 94379c2278a66d8fc0943774d1b7c71a32f7764e1e2Douglas Gregor !(isa<Decl>(Owner) && 94479c2278a66d8fc0943774d1b7c71a32f7764e1e2Douglas Gregor cast<Decl>(Owner)->isDefinedOutsideFunctionOrMethod()); 94579c2278a66d8fc0943774d1b7c71a32f7764e1e2Douglas Gregor Sema::LocalInstantiationScope Scope(SemaRef, MergeWithParentScope); 9461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 947e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor llvm::SmallVector<ParmVarDecl *, 4> Params; 94821ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall TypeSourceInfo *TInfo = D->getTypeSourceInfo(); 94921ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall TInfo = SubstFunctionType(D, Params); 95021ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall if (!TInfo) 9512dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor return 0; 95221ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall QualType T = TInfo->getType(); 953fd810b1386ed29b250e7d522ea826a65c815e49dJohn McCall 954d325daa506338ab86f9dd468b48fd010673f49a6John McCall NestedNameSpecifier *Qualifier = D->getQualifier(); 955d325daa506338ab86f9dd468b48fd010673f49a6John McCall if (Qualifier) { 956d325daa506338ab86f9dd468b48fd010673f49a6John McCall Qualifier = SemaRef.SubstNestedNameSpecifier(Qualifier, 957d325daa506338ab86f9dd468b48fd010673f49a6John McCall D->getQualifierRange(), 958d325daa506338ab86f9dd468b48fd010673f49a6John McCall TemplateArgs); 959d325daa506338ab86f9dd468b48fd010673f49a6John McCall if (!Qualifier) return 0; 960d325daa506338ab86f9dd468b48fd010673f49a6John McCall } 961d325daa506338ab86f9dd468b48fd010673f49a6John McCall 96268b6b87b6beb7922fc2c8ab923ba2ce125490363John McCall // If we're instantiating a local function declaration, put the result 96368b6b87b6beb7922fc2c8ab923ba2ce125490363John McCall // in the owner; otherwise we need to find the instantiated context. 96468b6b87b6beb7922fc2c8ab923ba2ce125490363John McCall DeclContext *DC; 96568b6b87b6beb7922fc2c8ab923ba2ce125490363John McCall if (D->getDeclContext()->isFunctionOrMethod()) 96668b6b87b6beb7922fc2c8ab923ba2ce125490363John McCall DC = Owner; 967d325daa506338ab86f9dd468b48fd010673f49a6John McCall else if (isFriend && Qualifier) { 968d325daa506338ab86f9dd468b48fd010673f49a6John McCall CXXScopeSpec SS; 969d325daa506338ab86f9dd468b48fd010673f49a6John McCall SS.setScopeRep(Qualifier); 970d325daa506338ab86f9dd468b48fd010673f49a6John McCall SS.setRange(D->getQualifierRange()); 971d325daa506338ab86f9dd468b48fd010673f49a6John McCall DC = SemaRef.computeDeclContext(SS); 972d325daa506338ab86f9dd468b48fd010673f49a6John McCall if (!DC) return 0; 973d325daa506338ab86f9dd468b48fd010673f49a6John McCall } else { 9747c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor DC = SemaRef.FindInstantiatedContext(D->getLocation(), D->getDeclContext(), 9757c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor TemplateArgs); 976d325daa506338ab86f9dd468b48fd010673f49a6John McCall } 97768b6b87b6beb7922fc2c8ab923ba2ce125490363John McCall 97802cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall FunctionDecl *Function = 9791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FunctionDecl::Create(SemaRef.Context, DC, D->getLocation(), 98021ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall D->getDeclName(), T, TInfo, 98116573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor D->getStorageClass(), D->getStorageClassAsWritten(), 9820130f3cc4ccd5f46361c48d5fe94133d74619424Douglas Gregor D->isInlineSpecified(), D->hasWrittenPrototype()); 983b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 984d325daa506338ab86f9dd468b48fd010673f49a6John McCall if (Qualifier) 985d325daa506338ab86f9dd468b48fd010673f49a6John McCall Function->setQualifierInfo(Qualifier, D->getQualifierRange()); 986b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 987b1a56e767cfb645fcb25027ab728dd5824d92615John McCall DeclContext *LexicalDC = Owner; 988b1a56e767cfb645fcb25027ab728dd5824d92615John McCall if (!isFriend && D->isOutOfLine()) { 989b1a56e767cfb645fcb25027ab728dd5824d92615John McCall assert(D->getDeclContext()->isFileContext()); 990b1a56e767cfb645fcb25027ab728dd5824d92615John McCall LexicalDC = D->getDeclContext(); 991b1a56e767cfb645fcb25027ab728dd5824d92615John McCall } 992b1a56e767cfb645fcb25027ab728dd5824d92615John McCall 993b1a56e767cfb645fcb25027ab728dd5824d92615John McCall Function->setLexicalDeclContext(LexicalDC); 9941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 995e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor // Attach the parameters 996e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor for (unsigned P = 0; P < Params.size(); ++P) 997e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor Params[P]->setOwningFunction(Function); 998838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor Function->setParams(Params.data(), Params.size()); 99902cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall 1000a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor if (TemplateParams) { 1001a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // Our resulting instantiation is actually a function template, since we 1002a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // are substituting only the outer template parameters. For example, given 1003a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // 1004a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // template<typename T> 1005a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // struct X { 1006a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // template<typename U> friend void f(T, U); 1007a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // }; 1008a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // 1009a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // X<int> x; 1010a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // 1011a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // We are instantiating the friend function template "f" within X<int>, 1012a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // which means substituting int for T, but leaving "f" as a friend function 1013a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // template. 1014a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // Build the function template itself. 1015d325daa506338ab86f9dd468b48fd010673f49a6John McCall FunctionTemplate = FunctionTemplateDecl::Create(SemaRef.Context, DC, 1016a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor Function->getLocation(), 1017a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor Function->getDeclName(), 1018a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor TemplateParams, Function); 1019a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor Function->setDescribedFunctionTemplate(FunctionTemplate); 1020b1a56e767cfb645fcb25027ab728dd5824d92615John McCall 1021b1a56e767cfb645fcb25027ab728dd5824d92615John McCall FunctionTemplate->setLexicalDeclContext(LexicalDC); 1022d325daa506338ab86f9dd468b48fd010673f49a6John McCall 1023d325daa506338ab86f9dd468b48fd010673f49a6John McCall if (isFriend && D->isThisDeclarationADefinition()) { 1024d325daa506338ab86f9dd468b48fd010673f49a6John McCall // TODO: should we remember this connection regardless of whether 1025d325daa506338ab86f9dd468b48fd010673f49a6John McCall // the friend declaration provided a body? 1026d325daa506338ab86f9dd468b48fd010673f49a6John McCall FunctionTemplate->setInstantiatedFromMemberTemplate( 1027d325daa506338ab86f9dd468b48fd010673f49a6John McCall D->getDescribedFunctionTemplate()); 1028d325daa506338ab86f9dd468b48fd010673f49a6John McCall } 102966724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor } else if (FunctionTemplate) { 103066724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor // Record this function template specialization. 1031838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor Function->setFunctionTemplateSpecialization(FunctionTemplate, 103266724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor &TemplateArgs.getInnermost(), 103366724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor InsertPos); 1034d325daa506338ab86f9dd468b48fd010673f49a6John McCall } else if (isFriend && D->isThisDeclarationADefinition()) { 1035d325daa506338ab86f9dd468b48fd010673f49a6John McCall // TODO: should we remember this connection regardless of whether 1036d325daa506338ab86f9dd468b48fd010673f49a6John McCall // the friend declaration provided a body? 1037d325daa506338ab86f9dd468b48fd010673f49a6John McCall Function->setInstantiationOfMemberFunction(D, TSK_ImplicitInstantiation); 103802cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall } 1039a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor 1040e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor if (InitFunctionInstantiation(Function, D)) 1041e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor Function->setInvalidDecl(); 10421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1043e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor bool Redeclaration = false; 1044e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor bool OverloadableAttrRequired = false; 1045af2094e7cecadf36667deb61a83587ffdd979bd3John McCall bool isExplicitSpecialization = false; 1046a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor 10476826314938f8510cd1a6b03b5d032592456ae27bJohn McCall LookupResult Previous(SemaRef, Function->getDeclName(), SourceLocation(), 10486826314938f8510cd1a6b03b5d032592456ae27bJohn McCall Sema::LookupOrdinaryName, Sema::ForRedeclaration); 10496826314938f8510cd1a6b03b5d032592456ae27bJohn McCall 1050af2094e7cecadf36667deb61a83587ffdd979bd3John McCall if (DependentFunctionTemplateSpecializationInfo *Info 1051af2094e7cecadf36667deb61a83587ffdd979bd3John McCall = D->getDependentSpecializationInfo()) { 1052af2094e7cecadf36667deb61a83587ffdd979bd3John McCall assert(isFriend && "non-friend has dependent specialization info?"); 1053af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1054af2094e7cecadf36667deb61a83587ffdd979bd3John McCall // This needs to be set now for future sanity. 1055af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Function->setObjectOfFriendDecl(/*HasPrevious*/ true); 1056af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1057af2094e7cecadf36667deb61a83587ffdd979bd3John McCall // Instantiate the explicit template arguments. 1058af2094e7cecadf36667deb61a83587ffdd979bd3John McCall TemplateArgumentListInfo ExplicitArgs(Info->getLAngleLoc(), 1059af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Info->getRAngleLoc()); 1060af2094e7cecadf36667deb61a83587ffdd979bd3John McCall for (unsigned I = 0, E = Info->getNumTemplateArgs(); I != E; ++I) { 1061af2094e7cecadf36667deb61a83587ffdd979bd3John McCall TemplateArgumentLoc Loc; 1062af2094e7cecadf36667deb61a83587ffdd979bd3John McCall if (SemaRef.Subst(Info->getTemplateArg(I), Loc, TemplateArgs)) 1063af2094e7cecadf36667deb61a83587ffdd979bd3John McCall return 0; 1064af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1065af2094e7cecadf36667deb61a83587ffdd979bd3John McCall ExplicitArgs.addArgument(Loc); 1066af2094e7cecadf36667deb61a83587ffdd979bd3John McCall } 1067af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1068af2094e7cecadf36667deb61a83587ffdd979bd3John McCall // Map the candidate templates to their instantiations. 1069af2094e7cecadf36667deb61a83587ffdd979bd3John McCall for (unsigned I = 0, E = Info->getNumTemplates(); I != E; ++I) { 1070af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Decl *Temp = SemaRef.FindInstantiatedDecl(D->getLocation(), 1071af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Info->getTemplate(I), 1072af2094e7cecadf36667deb61a83587ffdd979bd3John McCall TemplateArgs); 1073af2094e7cecadf36667deb61a83587ffdd979bd3John McCall if (!Temp) return 0; 1074af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1075af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Previous.addDecl(cast<FunctionTemplateDecl>(Temp)); 1076af2094e7cecadf36667deb61a83587ffdd979bd3John McCall } 1077af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1078af2094e7cecadf36667deb61a83587ffdd979bd3John McCall if (SemaRef.CheckFunctionTemplateSpecialization(Function, 1079af2094e7cecadf36667deb61a83587ffdd979bd3John McCall &ExplicitArgs, 1080af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Previous)) 1081af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Function->setInvalidDecl(); 1082af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1083af2094e7cecadf36667deb61a83587ffdd979bd3John McCall isExplicitSpecialization = true; 1084af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1085af2094e7cecadf36667deb61a83587ffdd979bd3John McCall } else if (TemplateParams || !FunctionTemplate) { 1086a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // Look only into the namespace where the friend would be declared to 1087a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // find a previous declaration. This is the innermost enclosing namespace, 1088a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // as described in ActOnFriendFunctionDecl. 10896826314938f8510cd1a6b03b5d032592456ae27bJohn McCall SemaRef.LookupQualifiedName(Previous, DC); 1090a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor 1091a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // In C++, the previous declaration we find might be a tag type 1092a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // (class or enum). In this case, the new declaration will hide the 1093a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // tag type. Note that this does does not apply if we're declaring a 1094a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // typedef (C++ [dcl.typedef]p4). 10956826314938f8510cd1a6b03b5d032592456ae27bJohn McCall if (Previous.isSingleTagDecl()) 10966826314938f8510cd1a6b03b5d032592456ae27bJohn McCall Previous.clear(); 1097a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor } 1098a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor 10999f54ad4381370c6b771424b53d219e661d6d6706John McCall SemaRef.CheckFunctionDeclaration(/*Scope*/ 0, Function, Previous, 1100af2094e7cecadf36667deb61a83587ffdd979bd3John McCall isExplicitSpecialization, Redeclaration, 1101e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor /*FIXME:*/OverloadableAttrRequired); 1102e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor 110376d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall NamedDecl *PrincipalDecl = (TemplateParams 110476d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall ? cast<NamedDecl>(FunctionTemplate) 110576d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall : Function); 110676d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall 1107a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // If the original function was part of a friend declaration, 1108a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor // inherit its namespace state and add it to the owner. 1109d325daa506338ab86f9dd468b48fd010673f49a6John McCall if (isFriend) { 11106826314938f8510cd1a6b03b5d032592456ae27bJohn McCall NamedDecl *PrevDecl; 111176d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall if (TemplateParams) 1112a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor PrevDecl = FunctionTemplate->getPreviousDeclaration(); 111376d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall else 1114a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor PrevDecl = Function->getPreviousDeclaration(); 111576d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall 111676d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall PrincipalDecl->setObjectOfFriendDecl(PrevDecl != 0); 111776d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall DC->makeDeclVisibleInContext(PrincipalDecl, /*Recoverable=*/ false); 1118a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor } 1119a735b206fdb5c15767a45289e1ffb3b568f70f2bDouglas Gregor 112076d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall if (Function->isOverloadedOperator() && !DC->isRecord() && 112176d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall PrincipalDecl->isInIdentifierNamespace(Decl::IDNS_Ordinary)) 112276d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall PrincipalDecl->setNonMemberOperator(); 112376d326448d7e4c10b2896edc2ee855d1e68d1b88John McCall 1124e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor return Function; 1125e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor} 11262dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor 1127d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas GregorDecl * 1128d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas GregorTemplateDeclInstantiator::VisitCXXMethodDecl(CXXMethodDecl *D, 1129d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor TemplateParameterList *TemplateParams) { 11306b906869527be40b0d38d755e9ef51b331b88162Douglas Gregor FunctionTemplateDecl *FunctionTemplate = D->getDescribedFunctionTemplate(); 11316b906869527be40b0d38d755e9ef51b331b88162Douglas Gregor void *InsertPos = 0; 1132d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor if (FunctionTemplate && !TemplateParams) { 11331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We are creating a function template specialization from a function 11341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // template. Check whether there is already a function template 1135d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // specialization for this particular set of template arguments. 11366b906869527be40b0d38d755e9ef51b331b88162Douglas Gregor llvm::FoldingSetNodeID ID; 11371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FunctionTemplateSpecializationInfo::Profile(ID, 1138d6350aefb1396b299e199c7f1fe51bb40c12e75eDouglas Gregor TemplateArgs.getInnermost().getFlatArgumentList(), 1139d6350aefb1396b299e199c7f1fe51bb40c12e75eDouglas Gregor TemplateArgs.getInnermost().flat_size(), 11406b906869527be40b0d38d755e9ef51b331b88162Douglas Gregor SemaRef.Context); 11411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FunctionTemplateSpecializationInfo *Info 11431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump = FunctionTemplate->getSpecializations().FindNodeOrInsertPos(ID, 11446b906869527be40b0d38d755e9ef51b331b88162Douglas Gregor InsertPos); 11451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11466b906869527be40b0d38d755e9ef51b331b88162Douglas Gregor // If we already have a function template specialization, return it. 11476b906869527be40b0d38d755e9ef51b331b88162Douglas Gregor if (Info) 11486b906869527be40b0d38d755e9ef51b331b88162Douglas Gregor return Info->Function; 11496b906869527be40b0d38d755e9ef51b331b88162Douglas Gregor } 11506b906869527be40b0d38d755e9ef51b331b88162Douglas Gregor 1151b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall bool isFriend; 1152b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (FunctionTemplate) 1153b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall isFriend = (FunctionTemplate->getFriendObjectKind() != Decl::FOK_None); 1154b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall else 1155b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall isFriend = (D->getFriendObjectKind() != Decl::FOK_None); 1156b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall 115779c2278a66d8fc0943774d1b7c71a32f7764e1e2Douglas Gregor bool MergeWithParentScope = (TemplateParams != 0) || 115879c2278a66d8fc0943774d1b7c71a32f7764e1e2Douglas Gregor !(isa<Decl>(Owner) && 115979c2278a66d8fc0943774d1b7c71a32f7764e1e2Douglas Gregor cast<Decl>(Owner)->isDefinedOutsideFunctionOrMethod()); 116079c2278a66d8fc0943774d1b7c71a32f7764e1e2Douglas Gregor Sema::LocalInstantiationScope Scope(SemaRef, MergeWithParentScope); 116148dd19b19ddb9e105f8cf0bf6f0732ca4e6a385bDouglas Gregor 11620ca20ac8cea99c43d89510f29cf3dc876f9c9111Douglas Gregor llvm::SmallVector<ParmVarDecl *, 4> Params; 116321ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall TypeSourceInfo *TInfo = D->getTypeSourceInfo(); 116421ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall TInfo = SubstFunctionType(D, Params); 116521ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall if (!TInfo) 11662dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor return 0; 116721ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall QualType T = TInfo->getType(); 11682dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor 1169b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall NestedNameSpecifier *Qualifier = D->getQualifier(); 1170b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (Qualifier) { 1171b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall Qualifier = SemaRef.SubstNestedNameSpecifier(Qualifier, 1172b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall D->getQualifierRange(), 1173b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall TemplateArgs); 1174b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (!Qualifier) return 0; 1175b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } 1176b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall 1177b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall DeclContext *DC = Owner; 1178b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (isFriend) { 1179b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (Qualifier) { 1180b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall CXXScopeSpec SS; 1181b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall SS.setScopeRep(Qualifier); 1182b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall SS.setRange(D->getQualifierRange()); 1183b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall DC = SemaRef.computeDeclContext(SS); 1184b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } else { 1185b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall DC = SemaRef.FindInstantiatedContext(D->getLocation(), 1186b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall D->getDeclContext(), 1187b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall TemplateArgs); 1188b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } 1189b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (!DC) return 0; 1190b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } 1191b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall 11922dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor // Build the instantiated method declaration. 1193b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall CXXRecordDecl *Record = cast<CXXRecordDecl>(DC); 1194dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor CXXMethodDecl *Method = 0; 11951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1196dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor DeclarationName Name = D->getDeclName(); 119717e32f30e2d1eaf6639d3d4e2196a8d7c709fbacDouglas Gregor if (CXXConstructorDecl *Constructor = dyn_cast<CXXConstructorDecl>(D)) { 1198dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor QualType ClassTy = SemaRef.Context.getTypeDeclType(Record); 1199dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor Name = SemaRef.Context.DeclarationNames.getCXXConstructorName( 1200dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor SemaRef.Context.getCanonicalType(ClassTy)); 12011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Method = CXXConstructorDecl::Create(SemaRef.Context, Record, 12021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Constructor->getLocation(), 120321ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall Name, T, TInfo, 12041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Constructor->isExplicit(), 120516573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor Constructor->isInlineSpecified(), 120616573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor false); 120717e32f30e2d1eaf6639d3d4e2196a8d7c709fbacDouglas Gregor } else if (CXXDestructorDecl *Destructor = dyn_cast<CXXDestructorDecl>(D)) { 120817e32f30e2d1eaf6639d3d4e2196a8d7c709fbacDouglas Gregor QualType ClassTy = SemaRef.Context.getTypeDeclType(Record); 120917e32f30e2d1eaf6639d3d4e2196a8d7c709fbacDouglas Gregor Name = SemaRef.Context.DeclarationNames.getCXXDestructorName( 121017e32f30e2d1eaf6639d3d4e2196a8d7c709fbacDouglas Gregor SemaRef.Context.getCanonicalType(ClassTy)); 121117e32f30e2d1eaf6639d3d4e2196a8d7c709fbacDouglas Gregor Method = CXXDestructorDecl::Create(SemaRef.Context, Record, 121217e32f30e2d1eaf6639d3d4e2196a8d7c709fbacDouglas Gregor Destructor->getLocation(), Name, 121316573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor T, Destructor->isInlineSpecified(), 121416573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor false); 121565ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor } else if (CXXConversionDecl *Conversion = dyn_cast<CXXConversionDecl>(D)) { 12161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CanQualType ConvTy 121765ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor = SemaRef.Context.getCanonicalType( 1218183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall T->getAs<FunctionType>()->getResultType()); 121965ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor Name = SemaRef.Context.DeclarationNames.getCXXConversionFunctionName( 122065ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor ConvTy); 122165ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor Method = CXXConversionDecl::Create(SemaRef.Context, Record, 122265ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor Conversion->getLocation(), Name, 122321ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall T, TInfo, 12240130f3cc4ccd5f46361c48d5fe94133d74619424Douglas Gregor Conversion->isInlineSpecified(), 122565ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor Conversion->isExplicit()); 1226dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor } else { 12271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Method = CXXMethodDecl::Create(SemaRef.Context, Record, D->getLocation(), 122821ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall D->getDeclName(), T, TInfo, 122916573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor D->isStatic(), 123016573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor D->getStorageClassAsWritten(), 123116573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor D->isInlineSpecified()); 1232dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor } 12336b906869527be40b0d38d755e9ef51b331b88162Douglas Gregor 1234b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (Qualifier) 1235b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall Method->setQualifierInfo(Qualifier, D->getQualifierRange()); 1236b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 1237d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor if (TemplateParams) { 1238d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // Our resulting instantiation is actually a function template, since we 1239d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // are substituting only the outer template parameters. For example, given 12401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // 1241d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // template<typename T> 1242d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // struct X { 1243d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // template<typename U> void f(T, U); 1244d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // }; 1245d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // 1246d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // X<int> x; 1247d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // 1248d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // We are instantiating the member template "f" within X<int>, which means 1249d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // substituting int for T, but leaving "f" as a member function template. 1250d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor // Build the function template itself. 1251d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor FunctionTemplate = FunctionTemplateDecl::Create(SemaRef.Context, Record, 1252d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor Method->getLocation(), 12531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Method->getDeclName(), 1254d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor TemplateParams, Method); 1255b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (isFriend) { 1256b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall FunctionTemplate->setLexicalDeclContext(Owner); 1257b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall FunctionTemplate->setObjectOfFriendDecl(true); 1258b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } else if (D->isOutOfLine()) 12591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FunctionTemplate->setLexicalDeclContext(D->getLexicalDeclContext()); 1260d60e105e6d1624da647ef7dd35a9cf6fad1b763eDouglas Gregor Method->setDescribedFunctionTemplate(FunctionTemplate); 126166724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor } else if (FunctionTemplate) { 126266724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor // Record this function template specialization. 1263838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor Method->setFunctionTemplateSpecialization(FunctionTemplate, 126466724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor &TemplateArgs.getInnermost(), 126566724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor InsertPos); 1266b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } else if (!isFriend) { 126766724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor // Record that this is an instantiation of a member function. 12682db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor Method->setInstantiationOfMemberFunction(D, TSK_ImplicitInstantiation); 126966724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor } 127066724ea67d7d598b937d86fa66f03f09a1c758f3Douglas Gregor 12711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If we are instantiating a member function defined 12727caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // out-of-line, the instantiation will have the same lexical 12737caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // context (which will be a namespace scope) as the template. 1274b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (isFriend) { 1275b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall Method->setLexicalDeclContext(Owner); 1276b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall Method->setObjectOfFriendDecl(true); 1277b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } else if (D->isOutOfLine()) 12787caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor Method->setLexicalDeclContext(D->getLexicalDeclContext()); 12791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12805545e166a956a20d7a6b58408e251a1119025485Douglas Gregor // Attach the parameters 12815545e166a956a20d7a6b58408e251a1119025485Douglas Gregor for (unsigned P = 0; P < Params.size(); ++P) 12825545e166a956a20d7a6b58408e251a1119025485Douglas Gregor Params[P]->setOwningFunction(Method); 1283838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor Method->setParams(Params.data(), Params.size()); 12845545e166a956a20d7a6b58408e251a1119025485Douglas Gregor 12855545e166a956a20d7a6b58408e251a1119025485Douglas Gregor if (InitMethodInstantiation(Method, D)) 12865545e166a956a20d7a6b58408e251a1119025485Douglas Gregor Method->setInvalidDecl(); 12872dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor 12886826314938f8510cd1a6b03b5d032592456ae27bJohn McCall LookupResult Previous(SemaRef, Name, SourceLocation(), 12896826314938f8510cd1a6b03b5d032592456ae27bJohn McCall Sema::LookupOrdinaryName, Sema::ForRedeclaration); 12901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1291b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (!FunctionTemplate || TemplateParams || isFriend) { 1292b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall SemaRef.LookupQualifiedName(Previous, Record); 12931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1294dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor // In C++, the previous declaration we find might be a tag type 1295dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor // (class or enum). In this case, the new declaration will hide the 1296dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor // tag type. Note that this does does not apply if we're declaring a 1297dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor // typedef (C++ [dcl.typedef]p4). 12986826314938f8510cd1a6b03b5d032592456ae27bJohn McCall if (Previous.isSingleTagDecl()) 12996826314938f8510cd1a6b03b5d032592456ae27bJohn McCall Previous.clear(); 1300dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor } 13012dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor 130265ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor bool Redeclaration = false; 130365ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor bool OverloadableAttrRequired = false; 13049f54ad4381370c6b771424b53d219e661d6d6706John McCall SemaRef.CheckFunctionDeclaration(0, Method, Previous, false, Redeclaration, 130565ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor /*FIXME:*/OverloadableAttrRequired); 130665ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor 13074ba3136b3eb9740a07bd61d0ab23ce9a8d894deeDouglas Gregor if (D->isPure()) 13084ba3136b3eb9740a07bd61d0ab23ce9a8d894deeDouglas Gregor SemaRef.CheckPureMethod(Method, SourceRange()); 13094ba3136b3eb9740a07bd61d0ab23ce9a8d894deeDouglas Gregor 131046460a68f6508775e98c19b4bb8454bb471aac24John McCall Method->setAccess(D->getAccess()); 131146460a68f6508775e98c19b4bb8454bb471aac24John McCall 1312b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (FunctionTemplate) { 1313b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall // If there's a function template, let our caller handle it. 1314b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } else if (Method->isInvalidDecl() && !Previous.empty()) { 1315b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall // Don't hide a (potentially) valid declaration with an invalid one. 1316b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } else { 1317b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall NamedDecl *DeclToAdd = (TemplateParams 1318b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall ? cast<NamedDecl>(FunctionTemplate) 1319b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall : Method); 1320b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall if (isFriend) 1321b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall Record->makeDeclVisibleInContext(DeclToAdd); 1322b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall else 1323b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall Owner->addDecl(DeclToAdd); 1324b0cb022daec8671406ab25f4b5d5a6d48d823bc4John McCall } 13251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13262dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor return Method; 13272dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor} 13282dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor 1329615c5d4674355ba830b9978f462ca7a8c5d15f85Douglas GregorDecl *TemplateDeclInstantiator::VisitCXXConstructorDecl(CXXConstructorDecl *D) { 1330dec06664a1c4d8984251083db2215875aea1c80dDouglas Gregor return VisitCXXMethodDecl(D); 1331615c5d4674355ba830b9978f462ca7a8c5d15f85Douglas Gregor} 1332615c5d4674355ba830b9978f462ca7a8c5d15f85Douglas Gregor 133303b2b07aaef3a585aec13048a33356c7f635de72Douglas GregorDecl *TemplateDeclInstantiator::VisitCXXDestructorDecl(CXXDestructorDecl *D) { 133417e32f30e2d1eaf6639d3d4e2196a8d7c709fbacDouglas Gregor return VisitCXXMethodDecl(D); 133503b2b07aaef3a585aec13048a33356c7f635de72Douglas Gregor} 133603b2b07aaef3a585aec13048a33356c7f635de72Douglas Gregor 1337bb969ed4193e2eadabfaa0dfd0b94312b6146349Douglas GregorDecl *TemplateDeclInstantiator::VisitCXXConversionDecl(CXXConversionDecl *D) { 133865ec1fda479688d143fe2403242cd9c730c800a1Douglas Gregor return VisitCXXMethodDecl(D); 1339bb969ed4193e2eadabfaa0dfd0b94312b6146349Douglas Gregor} 1340bb969ed4193e2eadabfaa0dfd0b94312b6146349Douglas Gregor 13416477b69cc93e0a0ff15036d60d604f3544da0f29Douglas GregorParmVarDecl *TemplateDeclInstantiator::VisitParmVarDecl(ParmVarDecl *D) { 1342cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor return SemaRef.SubstParmVarDecl(D, TemplateArgs); 13432dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor} 13442dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor 1345e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCallDecl *TemplateDeclInstantiator::VisitTemplateTypeParmDecl( 1346e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall TemplateTypeParmDecl *D) { 1347e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall // TODO: don't always clone when decls are refcounted. 1348e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall const Type* T = D->getTypeForDecl(); 1349e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall assert(T->isTemplateTypeParmType()); 1350e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall const TemplateTypeParmType *TTPT = T->getAs<TemplateTypeParmType>(); 13511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1352e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall TemplateTypeParmDecl *Inst = 1353e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall TemplateTypeParmDecl::Create(SemaRef.Context, Owner, D->getLocation(), 1354550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor TTPT->getDepth() - 1, TTPT->getIndex(), 1355e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall TTPT->getName(), 1356e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall D->wasDeclaredWithTypename(), 1357e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall D->isParameterPack()); 1358e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 13590f8716b7bb25d61a82f699b3975167451f7b5a68Douglas Gregor if (D->hasDefaultArgument()) 13600f8716b7bb25d61a82f699b3975167451f7b5a68Douglas Gregor Inst->setDefaultArgument(D->getDefaultArgumentInfo(), false); 1361e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 1362550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // Introduce this template parameter's instantiation into the instantiation 1363550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // scope. 1364550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal(D, Inst); 1365550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor 1366e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall return Inst; 1367e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall} 1368e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 136933642df30088f2ddb0b22c609523ab8df9dff595Douglas GregorDecl *TemplateDeclInstantiator::VisitNonTypeTemplateParmDecl( 137033642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor NonTypeTemplateParmDecl *D) { 137133642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor // Substitute into the type of the non-type template parameter. 137233642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor QualType T; 1373a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = D->getTypeSourceInfo(); 137433642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor if (DI) { 137533642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor DI = SemaRef.SubstType(DI, TemplateArgs, D->getLocation(), 137633642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor D->getDeclName()); 137733642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor if (DI) T = DI->getType(); 137833642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor } else { 137933642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor T = SemaRef.SubstType(D->getType(), TemplateArgs, D->getLocation(), 138033642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor D->getDeclName()); 138133642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor DI = 0; 138233642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor } 138333642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor if (T.isNull()) 138433642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor return 0; 138533642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor 138633642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor // Check that this type is acceptable for a non-type template parameter. 138733642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor bool Invalid = false; 138833642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor T = SemaRef.CheckNonTypeTemplateParameterType(T, D->getLocation()); 138933642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor if (T.isNull()) { 139033642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor T = SemaRef.Context.IntTy; 139133642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor Invalid = true; 139233642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor } 139333642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor 139433642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor NonTypeTemplateParmDecl *Param 139533642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor = NonTypeTemplateParmDecl::Create(SemaRef.Context, Owner, D->getLocation(), 139633642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor D->getDepth() - 1, D->getPosition(), 139733642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor D->getIdentifier(), T, DI); 139833642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor if (Invalid) 139933642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor Param->setInvalidDecl(); 140033642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor 140133642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor Param->setDefaultArgument(D->getDefaultArgument()); 1402550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor 1403550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // Introduce this template parameter's instantiation into the instantiation 1404550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // scope. 1405550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal(D, Param); 140633642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor return Param; 140733642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor} 140833642df30088f2ddb0b22c609523ab8df9dff595Douglas Gregor 14090dde18e5a713bc186062ca1ebc9967500b07faeeAnders CarlssonDecl * 14109106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas GregorTemplateDeclInstantiator::VisitTemplateTemplateParmDecl( 14119106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor TemplateTemplateParmDecl *D) { 14129106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor // Instantiate the template parameter list of the template template parameter. 14139106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor TemplateParameterList *TempParams = D->getTemplateParameters(); 14149106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor TemplateParameterList *InstParams; 14159106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor { 14169106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor // Perform the actual substitution of template parameters within a new, 14179106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor // local instantiation scope. 14189106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor Sema::LocalInstantiationScope Scope(SemaRef); 14199106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor InstParams = SubstTemplateParams(TempParams); 14209106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor if (!InstParams) 14219106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor return NULL; 14229106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor } 14239106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor 14249106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor // Build the template template parameter. 14259106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor TemplateTemplateParmDecl *Param 14269106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor = TemplateTemplateParmDecl::Create(SemaRef.Context, Owner, D->getLocation(), 14279106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor D->getDepth() - 1, D->getPosition(), 14289106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor D->getIdentifier(), InstParams); 14299106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor Param->setDefaultArgument(D->getDefaultArgument()); 14309106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor 14319106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor // Introduce this template parameter's instantiation into the instantiation 14329106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor // scope. 14339106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal(D, Param); 14349106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor 14359106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor return Param; 14369106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor} 14379106ef78f8fcc9df1a60c7a5b64c7d967194207eDouglas Gregor 143848c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas GregorDecl *TemplateDeclInstantiator::VisitUsingDirectiveDecl(UsingDirectiveDecl *D) { 143948c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor // Using directives are never dependent, so they require no explicit 144048c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor 144148c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor UsingDirectiveDecl *Inst 144248c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor = UsingDirectiveDecl::Create(SemaRef.Context, Owner, D->getLocation(), 144348c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor D->getNamespaceKeyLocation(), 144448c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor D->getQualifierRange(), D->getQualifier(), 144548c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor D->getIdentLocation(), 144648c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor D->getNominatedNamespace(), 144748c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor D->getCommonAncestor()); 144848c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor Owner->addDecl(Inst); 144948c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor return Inst; 145048c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor} 145148c32a7e7c977f317dc1dc19524c2f54d29c7270Douglas Gregor 1452ed97649e9574b9d854fa4d6109c9333ae0993554John McCallDecl *TemplateDeclInstantiator::VisitUsingDecl(UsingDecl *D) { 1453ed97649e9574b9d854fa4d6109c9333ae0993554John McCall // The nested name specifier is non-dependent, so no transformation 1454ed97649e9574b9d854fa4d6109c9333ae0993554John McCall // is required. 1455ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 14569f54ad4381370c6b771424b53d219e661d6d6706John McCall // We only need to do redeclaration lookups if we're in a class 14579f54ad4381370c6b771424b53d219e661d6d6706John McCall // scope (in fact, it's not really even possible in non-class 14589f54ad4381370c6b771424b53d219e661d6d6706John McCall // scopes). 14599f54ad4381370c6b771424b53d219e661d6d6706John McCall bool CheckRedeclaration = Owner->isRecord(); 14609f54ad4381370c6b771424b53d219e661d6d6706John McCall 14619f54ad4381370c6b771424b53d219e661d6d6706John McCall LookupResult Prev(SemaRef, D->getDeclName(), D->getLocation(), 14629f54ad4381370c6b771424b53d219e661d6d6706John McCall Sema::LookupUsingDeclName, Sema::ForRedeclaration); 14639f54ad4381370c6b771424b53d219e661d6d6706John McCall 1464ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingDecl *NewUD = UsingDecl::Create(SemaRef.Context, Owner, 1465ed97649e9574b9d854fa4d6109c9333ae0993554John McCall D->getLocation(), 1466ed97649e9574b9d854fa4d6109c9333ae0993554John McCall D->getNestedNameRange(), 1467ed97649e9574b9d854fa4d6109c9333ae0993554John McCall D->getUsingLocation(), 1468ed97649e9574b9d854fa4d6109c9333ae0993554John McCall D->getTargetNestedNameDecl(), 1469ed97649e9574b9d854fa4d6109c9333ae0993554John McCall D->getDeclName(), 1470ed97649e9574b9d854fa4d6109c9333ae0993554John McCall D->isTypeName()); 1471ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 1472ed97649e9574b9d854fa4d6109c9333ae0993554John McCall CXXScopeSpec SS; 1473ed97649e9574b9d854fa4d6109c9333ae0993554John McCall SS.setScopeRep(D->getTargetNestedNameDecl()); 1474ed97649e9574b9d854fa4d6109c9333ae0993554John McCall SS.setRange(D->getNestedNameRange()); 14759f54ad4381370c6b771424b53d219e661d6d6706John McCall 14769f54ad4381370c6b771424b53d219e661d6d6706John McCall if (CheckRedeclaration) { 14779f54ad4381370c6b771424b53d219e661d6d6706John McCall Prev.setHideTags(false); 14789f54ad4381370c6b771424b53d219e661d6d6706John McCall SemaRef.LookupQualifiedName(Prev, Owner); 14799f54ad4381370c6b771424b53d219e661d6d6706John McCall 14809f54ad4381370c6b771424b53d219e661d6d6706John McCall // Check for invalid redeclarations. 14819f54ad4381370c6b771424b53d219e661d6d6706John McCall if (SemaRef.CheckUsingDeclRedeclaration(D->getUsingLocation(), 14829f54ad4381370c6b771424b53d219e661d6d6706John McCall D->isTypeName(), SS, 14839f54ad4381370c6b771424b53d219e661d6d6706John McCall D->getLocation(), Prev)) 14849f54ad4381370c6b771424b53d219e661d6d6706John McCall NewUD->setInvalidDecl(); 14859f54ad4381370c6b771424b53d219e661d6d6706John McCall 14869f54ad4381370c6b771424b53d219e661d6d6706John McCall } 14879f54ad4381370c6b771424b53d219e661d6d6706John McCall 14889f54ad4381370c6b771424b53d219e661d6d6706John McCall if (!NewUD->isInvalidDecl() && 14899f54ad4381370c6b771424b53d219e661d6d6706John McCall SemaRef.CheckUsingDeclQualifier(D->getUsingLocation(), SS, 1490ed97649e9574b9d854fa4d6109c9333ae0993554John McCall D->getLocation())) 1491ed97649e9574b9d854fa4d6109c9333ae0993554John McCall NewUD->setInvalidDecl(); 14929f54ad4381370c6b771424b53d219e661d6d6706John McCall 1493ed97649e9574b9d854fa4d6109c9333ae0993554John McCall SemaRef.Context.setInstantiatedFromUsingDecl(NewUD, D); 1494ed97649e9574b9d854fa4d6109c9333ae0993554John McCall NewUD->setAccess(D->getAccess()); 1495ed97649e9574b9d854fa4d6109c9333ae0993554John McCall Owner->addDecl(NewUD); 1496ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 14979f54ad4381370c6b771424b53d219e661d6d6706John McCall // Don't process the shadow decls for an invalid decl. 14989f54ad4381370c6b771424b53d219e661d6d6706John McCall if (NewUD->isInvalidDecl()) 14999f54ad4381370c6b771424b53d219e661d6d6706John McCall return NewUD; 15009f54ad4381370c6b771424b53d219e661d6d6706John McCall 1501323c310efa0abd7a786b0303501186b5f33eb8d7John McCall bool isFunctionScope = Owner->isFunctionOrMethod(); 1502323c310efa0abd7a786b0303501186b5f33eb8d7John McCall 15039f54ad4381370c6b771424b53d219e661d6d6706John McCall // Process the shadow decls. 15049f54ad4381370c6b771424b53d219e661d6d6706John McCall for (UsingDecl::shadow_iterator I = D->shadow_begin(), E = D->shadow_end(); 15059f54ad4381370c6b771424b53d219e661d6d6706John McCall I != E; ++I) { 15069f54ad4381370c6b771424b53d219e661d6d6706John McCall UsingShadowDecl *Shadow = *I; 15079f54ad4381370c6b771424b53d219e661d6d6706John McCall NamedDecl *InstTarget = 15087c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor cast<NamedDecl>(SemaRef.FindInstantiatedDecl(Shadow->getLocation(), 15097c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor Shadow->getTargetDecl(), 15109f54ad4381370c6b771424b53d219e661d6d6706John McCall TemplateArgs)); 15119f54ad4381370c6b771424b53d219e661d6d6706John McCall 15129f54ad4381370c6b771424b53d219e661d6d6706John McCall if (CheckRedeclaration && 15139f54ad4381370c6b771424b53d219e661d6d6706John McCall SemaRef.CheckUsingShadowDecl(NewUD, InstTarget, Prev)) 15149f54ad4381370c6b771424b53d219e661d6d6706John McCall continue; 15159f54ad4381370c6b771424b53d219e661d6d6706John McCall 15169f54ad4381370c6b771424b53d219e661d6d6706John McCall UsingShadowDecl *InstShadow 15179f54ad4381370c6b771424b53d219e661d6d6706John McCall = SemaRef.BuildUsingShadowDecl(/*Scope*/ 0, NewUD, InstTarget); 15189f54ad4381370c6b771424b53d219e661d6d6706John McCall SemaRef.Context.setInstantiatedFromUsingShadowDecl(InstShadow, Shadow); 1519323c310efa0abd7a786b0303501186b5f33eb8d7John McCall 1520323c310efa0abd7a786b0303501186b5f33eb8d7John McCall if (isFunctionScope) 1521323c310efa0abd7a786b0303501186b5f33eb8d7John McCall SemaRef.CurrentInstantiationScope->InstantiatedLocal(Shadow, InstShadow); 15229f54ad4381370c6b771424b53d219e661d6d6706John McCall } 1523ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 1524ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return NewUD; 1525ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 1526ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 1527ed97649e9574b9d854fa4d6109c9333ae0993554John McCallDecl *TemplateDeclInstantiator::VisitUsingShadowDecl(UsingShadowDecl *D) { 15289f54ad4381370c6b771424b53d219e661d6d6706John McCall // Ignore these; we handle them in bulk when processing the UsingDecl. 15299f54ad4381370c6b771424b53d219e661d6d6706John McCall return 0; 1530ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 1531ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 15327ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallDecl * TemplateDeclInstantiator 15337ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall ::VisitUnresolvedUsingTypenameDecl(UnresolvedUsingTypenameDecl *D) { 15347ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall NestedNameSpecifier *NNS = 15357ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall SemaRef.SubstNestedNameSpecifier(D->getTargetNestedNameSpecifier(), 15367ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall D->getTargetNestedNameRange(), 15377ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall TemplateArgs); 15387ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall if (!NNS) 15397ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall return 0; 15407ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall 15417ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall CXXScopeSpec SS; 15427ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall SS.setRange(D->getTargetNestedNameRange()); 15437ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall SS.setScopeRep(NNS); 15447ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall 15457ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall NamedDecl *UD = 15467ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall SemaRef.BuildUsingDeclaration(/*Scope*/ 0, D->getAccess(), 15477ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall D->getUsingLoc(), SS, D->getLocation(), 15487ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall D->getDeclName(), 0, 15497ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall /*instantiation*/ true, 15507ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall /*typename*/ true, D->getTypenameLoc()); 15517ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall if (UD) 1552ed97649e9574b9d854fa4d6109c9333ae0993554John McCall SemaRef.Context.setInstantiatedFromUsingDecl(cast<UsingDecl>(UD), D); 1553ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 15547ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall return UD; 15557ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall} 15567ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall 15577ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallDecl * TemplateDeclInstantiator 15587ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall ::VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D) { 15591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NestedNameSpecifier *NNS = 15601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SemaRef.SubstNestedNameSpecifier(D->getTargetNestedNameSpecifier(), 15611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump D->getTargetNestedNameRange(), 15620dde18e5a713bc186062ca1ebc9967500b07faeeAnders Carlsson TemplateArgs); 15630dde18e5a713bc186062ca1ebc9967500b07faeeAnders Carlsson if (!NNS) 15640dde18e5a713bc186062ca1ebc9967500b07faeeAnders Carlsson return 0; 15651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15660dde18e5a713bc186062ca1ebc9967500b07faeeAnders Carlsson CXXScopeSpec SS; 15670dde18e5a713bc186062ca1ebc9967500b07faeeAnders Carlsson SS.setRange(D->getTargetNestedNameRange()); 15680dde18e5a713bc186062ca1ebc9967500b07faeeAnders Carlsson SS.setScopeRep(NNS); 15691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NamedDecl *UD = 15719488ea120e093068021f944176c3d610dd540914John McCall SemaRef.BuildUsingDeclaration(/*Scope*/ 0, D->getAccess(), 15727ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall D->getUsingLoc(), SS, D->getLocation(), 15737ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall D->getDeclName(), 0, 15747ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall /*instantiation*/ true, 15757ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall /*typename*/ false, SourceLocation()); 15760d8df780aef1acda5962347a32591efc629b6748Anders Carlsson if (UD) 1577ed97649e9574b9d854fa4d6109c9333ae0993554John McCall SemaRef.Context.setInstantiatedFromUsingDecl(cast<UsingDecl>(UD), D); 1578ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 15790d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return UD; 15800dde18e5a713bc186062ca1ebc9967500b07faeeAnders Carlsson} 15810dde18e5a713bc186062ca1ebc9967500b07faeeAnders Carlsson 1582ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCallDecl *Sema::SubstDecl(Decl *D, DeclContext *Owner, 1583d6350aefb1396b299e199c7f1fe51bb40c12e75eDouglas Gregor const MultiLevelTemplateArgumentList &TemplateArgs) { 15847e06390f8a60440d6fc5f0e633acdc2edd8ee924Douglas Gregor TemplateDeclInstantiator Instantiator(*this, Owner, TemplateArgs); 15852fa98001f832836e3f652c211a9d2f80501d659aDouglas Gregor if (D->isInvalidDecl()) 15862fa98001f832836e3f652c211a9d2f80501d659aDouglas Gregor return 0; 15872fa98001f832836e3f652c211a9d2f80501d659aDouglas Gregor 15888dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor return Instantiator.Visit(D); 15898dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor} 15908dbc2694424b4e842b1d5ea39744a137b58600c3Douglas Gregor 1591e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall/// \brief Instantiates a nested template parameter list in the current 1592e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall/// instantiation context. 1593e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall/// 1594e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall/// \param L The parameter list to instantiate 1595e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall/// 1596e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall/// \returns NULL if there was an error 1597e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCallTemplateParameterList * 1598ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCallTemplateDeclInstantiator::SubstTemplateParams(TemplateParameterList *L) { 1599e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall // Get errors for all the parameters before bailing out. 1600e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall bool Invalid = false; 1601e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 1602e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall unsigned N = L->size(); 1603bf4ea56cdc376cef5a12abf6bf18dc34805c2226Douglas Gregor typedef llvm::SmallVector<NamedDecl *, 8> ParamVector; 1604e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall ParamVector Params; 1605e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall Params.reserve(N); 1606e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall for (TemplateParameterList::iterator PI = L->begin(), PE = L->end(); 1607e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall PI != PE; ++PI) { 1608bf4ea56cdc376cef5a12abf6bf18dc34805c2226Douglas Gregor NamedDecl *D = cast_or_null<NamedDecl>(Visit(*PI)); 1609e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall Params.push_back(D); 16109148c3f5829f4d031249faeb1043e7be914539e8Douglas Gregor Invalid = Invalid || !D || D->isInvalidDecl(); 1611e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall } 1612e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 1613e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall // Clean up if we had an error. 1614e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall if (Invalid) { 1615e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall for (ParamVector::iterator PI = Params.begin(), PE = Params.end(); 1616e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall PI != PE; ++PI) 1617e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall if (*PI) 1618e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall (*PI)->Destroy(SemaRef.Context); 1619e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall return NULL; 1620e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall } 1621e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 1622e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall TemplateParameterList *InstL 1623e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall = TemplateParameterList::Create(SemaRef.Context, L->getTemplateLoc(), 1624e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall L->getLAngleLoc(), &Params.front(), N, 1625e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall L->getRAngleLoc()); 1626e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall return InstL; 16271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump} 1628e29ba20148e9b7835ad463b39cd4ee9223eafbbfJohn McCall 1629ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// \brief Instantiate the declaration of a class template partial 1630ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// specialization. 1631ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// 1632ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// \param ClassTemplate the (instantiated) class template that is partially 1633ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor// specialized by the instantiation of \p PartialSpec. 1634ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// 1635ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// \param PartialSpec the (uninstantiated) class template partial 1636ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// specialization that we are instantiating. 1637ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// 1638ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor/// \returns true if there was an error, false otherwise. 1639ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregorbool 1640ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas GregorTemplateDeclInstantiator::InstantiateClassTemplatePartialSpecialization( 1641ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplateDecl *ClassTemplate, 1642ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplatePartialSpecializationDecl *PartialSpec) { 1643550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // Create a local instantiation scope for this class template partial 1644550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // specialization, which will contain the instantiations of the template 1645550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor // parameters. 1646550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor Sema::LocalInstantiationScope Scope(SemaRef); 1647550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor 1648ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Substitute into the template parameters of the class template partial 1649ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // specialization. 1650ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor TemplateParameterList *TempParams = PartialSpec->getTemplateParameters(); 1651ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor TemplateParameterList *InstParams = SubstTemplateParams(TempParams); 1652ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor if (!InstParams) 1653ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return true; 1654ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1655ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Substitute into the template arguments of the class template partial 1656ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // specialization. 1657833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const TemplateArgumentLoc *PartialSpecTemplateArgs 1658833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall = PartialSpec->getTemplateArgsAsWritten(); 1659833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall unsigned N = PartialSpec->getNumTemplateArgsAsWritten(); 1660833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 1661d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall TemplateArgumentListInfo InstTemplateArgs; // no angle locations 1662833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall for (unsigned I = 0; I != N; ++I) { 1663d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall TemplateArgumentLoc Loc; 1664d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall if (SemaRef.Subst(PartialSpecTemplateArgs[I], Loc, TemplateArgs)) 1665ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return true; 1666d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall InstTemplateArgs.addArgument(Loc); 1667ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor } 1668ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1669ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1670ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Check that the template argument list is well-formed for this 1671ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // class template. 1672ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor TemplateArgumentListBuilder Converted(ClassTemplate->getTemplateParameters(), 1673ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor InstTemplateArgs.size()); 1674ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor if (SemaRef.CheckTemplateArgumentList(ClassTemplate, 1675ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor PartialSpec->getLocation(), 1676d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall InstTemplateArgs, 1677ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor false, 1678ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor Converted)) 1679ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return true; 1680ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1681ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Figure out where to insert this class template partial specialization 1682ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // in the member template's set of class template partial specializations. 1683ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor llvm::FoldingSetNodeID ID; 1684ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplatePartialSpecializationDecl::Profile(ID, 1685ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor Converted.getFlatArguments(), 1686ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor Converted.flatSize(), 1687ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor SemaRef.Context); 1688ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor void *InsertPos = 0; 1689ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplateSpecializationDecl *PrevDecl 1690ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor = ClassTemplate->getPartialSpecializations().FindNodeOrInsertPos(ID, 1691ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor InsertPos); 1692ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1693ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Build the canonical type that describes the converted template 1694ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // arguments of the class template partial specialization. 1695ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor QualType CanonType 1696ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor = SemaRef.Context.getTemplateSpecializationType(TemplateName(ClassTemplate), 1697ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor Converted.getFlatArguments(), 1698ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor Converted.flatSize()); 1699ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1700ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Build the fully-sugared type for this class template 1701ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // specialization as the user wrote in the specialization 1702ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // itself. This means that we'll pretty-print the type retrieved 1703ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // from the specialization's declaration the way that the user 1704ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // actually wrote the specialization, rather than formatting the 1705ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // name based on the "canonical" representation used to store the 1706ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // template arguments in the specialization. 17073cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TypeSourceInfo *WrittenTy 17083cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall = SemaRef.Context.getTemplateSpecializationTypeInfo( 17093cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TemplateName(ClassTemplate), 17103cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall PartialSpec->getLocation(), 1711d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall InstTemplateArgs, 1712ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor CanonType); 1713ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1714ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor if (PrevDecl) { 1715ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // We've already seen a partial specialization with the same template 1716ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // parameters and template arguments. This can happen, for example, when 1717ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // substituting the outer template arguments ends up causing two 1718ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // class template partial specializations of a member class template 1719ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // to have identical forms, e.g., 1720ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // 1721ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // template<typename T, typename U> 1722ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // struct Outer { 1723ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // template<typename X, typename Y> struct Inner; 1724ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // template<typename Y> struct Inner<T, Y>; 1725ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // template<typename Y> struct Inner<U, Y>; 1726ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // }; 1727ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // 1728ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Outer<int, int> outer; // error: the partial specializations of Inner 1729ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // // have the same signature. 1730ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor SemaRef.Diag(PartialSpec->getLocation(), diag::err_partial_spec_redeclared) 1731ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor << WrittenTy; 1732ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor SemaRef.Diag(PrevDecl->getLocation(), diag::note_prev_partial_spec_here) 1733ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor << SemaRef.Context.getTypeDeclType(PrevDecl); 1734ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return true; 1735ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor } 1736ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1737ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1738ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Create the class template partial specialization declaration. 1739ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplatePartialSpecializationDecl *InstPartialSpec 1740ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor = ClassTemplatePartialSpecializationDecl::Create(SemaRef.Context, Owner, 1741ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor PartialSpec->getLocation(), 1742ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor InstParams, 1743ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplate, 1744ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor Converted, 1745d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall InstTemplateArgs, 17463cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall CanonType, 1747dc60c1eb4acbde6edcec9760de92f9098593d915Douglas Gregor 0, 1748dc60c1eb4acbde6edcec9760de92f9098593d915Douglas Gregor ClassTemplate->getPartialSpecializations().size()); 1749b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Substitute the nested name specifier, if any. 1750b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (SubstQualifier(PartialSpec, InstPartialSpec)) 1751b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall return 0; 1752b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 1753ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor InstPartialSpec->setInstantiatedFromMember(PartialSpec); 1754ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor InstPartialSpec->setTypeAsWritten(WrittenTy); 1755ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 1756ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // Add this partial specialization to the set of class template partial 1757ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor // specializations. 1758ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplate->getPartialSpecializations().InsertNode(InstPartialSpec, 1759ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor InsertPos); 1760ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return false; 1761ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor} 1762ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 176321ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCallTypeSourceInfo* 176421ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCallTemplateDeclInstantiator::SubstFunctionType(FunctionDecl *D, 176521ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall llvm::SmallVectorImpl<ParmVarDecl *> &Params) { 176621ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall TypeSourceInfo *OldTInfo = D->getTypeSourceInfo(); 176721ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall assert(OldTInfo && "substituting function without type source info"); 176821ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall assert(Params.empty() && "parameter vector is non-empty at start"); 17696cd3b9fb8a29bb70fff01719bdde238723d67c10John McCall TypeSourceInfo *NewTInfo 17706cd3b9fb8a29bb70fff01719bdde238723d67c10John McCall = SemaRef.SubstFunctionDeclType(OldTInfo, TemplateArgs, 17716cd3b9fb8a29bb70fff01719bdde238723d67c10John McCall D->getTypeSpecStartLoc(), 17726cd3b9fb8a29bb70fff01719bdde238723d67c10John McCall D->getDeclName()); 177321ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall if (!NewTInfo) 177421ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall return 0; 17755545e166a956a20d7a6b58408e251a1119025485Douglas Gregor 1776cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor if (NewTInfo != OldTInfo) { 1777cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor // Get parameters from the new type info. 1778895162da2d52f4243f61081d7436de66af4503fcDouglas Gregor TypeLoc OldTL = OldTInfo->getTypeLoc(); 17796920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor if (FunctionProtoTypeLoc *OldProtoLoc 17806920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor = dyn_cast<FunctionProtoTypeLoc>(&OldTL)) { 17816920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor TypeLoc NewTL = NewTInfo->getTypeLoc(); 17826920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor FunctionProtoTypeLoc *NewProtoLoc = cast<FunctionProtoTypeLoc>(&NewTL); 17836920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor assert(NewProtoLoc && "Missing prototype?"); 17846920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor for (unsigned i = 0, i_end = NewProtoLoc->getNumArgs(); i != i_end; ++i) { 17856920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor // FIXME: Variadic templates will break this. 17866920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor Params.push_back(NewProtoLoc->getArg(i)); 17876920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor SemaRef.CurrentInstantiationScope->InstantiatedLocal( 1788895162da2d52f4243f61081d7436de66af4503fcDouglas Gregor OldProtoLoc->getArg(i), 1789895162da2d52f4243f61081d7436de66af4503fcDouglas Gregor NewProtoLoc->getArg(i)); 17906920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor } 1791895162da2d52f4243f61081d7436de66af4503fcDouglas Gregor } 1792cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor } else { 1793cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor // The function type itself was not dependent and therefore no 1794cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor // substitution occurred. However, we still need to instantiate 1795cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor // the function parameters themselves. 1796cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor TypeLoc OldTL = OldTInfo->getTypeLoc(); 17976920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor if (FunctionProtoTypeLoc *OldProtoLoc 17986920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor = dyn_cast<FunctionProtoTypeLoc>(&OldTL)) { 17996920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor for (unsigned i = 0, i_end = OldProtoLoc->getNumArgs(); i != i_end; ++i) { 18006920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor ParmVarDecl *Parm = VisitParmVarDecl(OldProtoLoc->getArg(i)); 18016920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor if (!Parm) 18026920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor return 0; 18036920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor Params.push_back(Parm); 18046920cdce298ac9ba50dc7ebb7dea982a300b0664Douglas Gregor } 1805cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor } 1806cb27b0f70d2017295776afafe3616e0bcd74ab51Douglas Gregor } 180721ef0fa27b0783ec0bc6aa5b524feb2ec840f952John McCall return NewTInfo; 18085545e166a956a20d7a6b58408e251a1119025485Douglas Gregor} 18095545e166a956a20d7a6b58408e251a1119025485Douglas Gregor 18101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// \brief Initializes the common fields of an instantiation function 1811e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor/// declaration (New) from the corresponding fields of its template (Tmpl). 1812e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor/// 1813e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor/// \returns true if there was an error 18141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpbool 18151eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateDeclInstantiator::InitFunctionInstantiation(FunctionDecl *New, 1816e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor FunctionDecl *Tmpl) { 1817e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor if (Tmpl->isDeleted()) 1818e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor New->setDeleted(); 18191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1820cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor // If we are performing substituting explicitly-specified template arguments 1821cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor // or deduced template arguments into a function template and we reach this 1822cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor // point, we are now past the point where SFINAE applies and have committed 18231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // to keeping the new function template specialization. We therefore 18241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // convert the active template instantiation for the function template 1825cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor // into a template instantiation for this specific function template 1826cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor // specialization, which is not a SFINAE context, so that we diagnose any 1827cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor // further errors in the declaration itself. 1828cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor typedef Sema::ActiveTemplateInstantiation ActiveInstType; 1829cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor ActiveInstType &ActiveInst = SemaRef.ActiveTemplateInstantiations.back(); 1830cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor if (ActiveInst.Kind == ActiveInstType::ExplicitTemplateArgumentSubstitution || 1831cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor ActiveInst.Kind == ActiveInstType::DeducedTemplateArgumentSubstitution) { 18321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionTemplateDecl *FunTmpl 1833cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor = dyn_cast<FunctionTemplateDecl>((Decl *)ActiveInst.Entity)) { 18341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(FunTmpl->getTemplatedDecl() == Tmpl && 1835cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor "Deduction from the wrong function template?"); 1836bcbb8bd3326a86aa70b7df386ae3c86c9ad255c5Daniel Dunbar (void) FunTmpl; 1837cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor ActiveInst.Kind = ActiveInstType::TemplateInstantiation; 1838cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor ActiveInst.Entity = reinterpret_cast<uintptr_t>(New); 1839f35f828f9883123772a9731af190a608f3236ef4Douglas Gregor --SemaRef.NonInstantiationEntries; 1840cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor } 1841cca9e9674a5e50a283185d8e9d8a5c3414eb008eDouglas Gregor } 18421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18430ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor const FunctionProtoType *Proto = Tmpl->getType()->getAs<FunctionProtoType>(); 18440ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor assert(Proto && "Function template without prototype?"); 18450ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor 18460ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor if (Proto->hasExceptionSpec() || Proto->hasAnyExceptionSpec() || 18470ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor Proto->getNoReturnAttr()) { 18480ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor // The function has an exception specification or a "noreturn" 18490ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor // attribute. Substitute into each of the exception types. 18500ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor llvm::SmallVector<QualType, 4> Exceptions; 18510ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor for (unsigned I = 0, N = Proto->getNumExceptions(); I != N; ++I) { 18520ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor // FIXME: Poor location information! 18530ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor QualType T 18540ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor = SemaRef.SubstType(Proto->getExceptionType(I), TemplateArgs, 18550ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor New->getLocation(), New->getDeclName()); 18560ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor if (T.isNull() || 18570ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor SemaRef.CheckSpecifiedExceptionType(T, New->getLocation())) 18580ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor continue; 18590ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor 18600ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor Exceptions.push_back(T); 18610ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor } 18620ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor 18630ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor // Rebuild the function type 18640ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor 18650ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor const FunctionProtoType *NewProto 18660ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor = New->getType()->getAs<FunctionProtoType>(); 18670ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor assert(NewProto && "Template instantiation without function prototype?"); 18680ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor New->setType(SemaRef.Context.getFunctionType(NewProto->getResultType(), 18690ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor NewProto->arg_type_begin(), 18700ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor NewProto->getNumArgs(), 18710ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor NewProto->isVariadic(), 18720ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor NewProto->getTypeQuals(), 18730ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor Proto->hasExceptionSpec(), 18740ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor Proto->hasAnyExceptionSpec(), 18750ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor Exceptions.size(), 18760ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor Exceptions.data(), 1877264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Proto->getExtInfo())); 18780ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor } 18790ae7b3f1d5403265f693ed75384603ca8fbba74dDouglas Gregor 1880e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor return false; 1881e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor} 1882e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor 18835545e166a956a20d7a6b58408e251a1119025485Douglas Gregor/// \brief Initializes common fields of an instantiated method 18845545e166a956a20d7a6b58408e251a1119025485Douglas Gregor/// declaration (New) from the corresponding fields of its template 18855545e166a956a20d7a6b58408e251a1119025485Douglas Gregor/// (Tmpl). 18865545e166a956a20d7a6b58408e251a1119025485Douglas Gregor/// 18875545e166a956a20d7a6b58408e251a1119025485Douglas Gregor/// \returns true if there was an error 18881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpbool 18891eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateDeclInstantiator::InitMethodInstantiation(CXXMethodDecl *New, 18905545e166a956a20d7a6b58408e251a1119025485Douglas Gregor CXXMethodDecl *Tmpl) { 1891e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor if (InitFunctionInstantiation(New, Tmpl)) 1892e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor return true; 18931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18945545e166a956a20d7a6b58408e251a1119025485Douglas Gregor CXXRecordDecl *Record = cast<CXXRecordDecl>(Owner); 18955545e166a956a20d7a6b58408e251a1119025485Douglas Gregor New->setAccess(Tmpl->getAccess()); 1896e7184df728bb339633d88c774b5097dd9318cc8aFariborz Jahanian if (Tmpl->isVirtualAsWritten()) 1897e7184df728bb339633d88c774b5097dd9318cc8aFariborz Jahanian Record->setMethodAsVirtual(New); 18985545e166a956a20d7a6b58408e251a1119025485Douglas Gregor 18995545e166a956a20d7a6b58408e251a1119025485Douglas Gregor // FIXME: attributes 19005545e166a956a20d7a6b58408e251a1119025485Douglas Gregor // FIXME: New needs a pointer to Tmpl 19015545e166a956a20d7a6b58408e251a1119025485Douglas Gregor return false; 19025545e166a956a20d7a6b58408e251a1119025485Douglas Gregor} 1903a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor 1904a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor/// \brief Instantiate the definition of the given function from its 1905a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor/// template. 1906a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor/// 1907b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// \param PointOfInstantiation the point at which the instantiation was 1908b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// required. Note that this is not precisely a "point of instantiation" 1909b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// for the function, but it's close. 1910b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// 1911a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor/// \param Function the already-instantiated declaration of a 1912b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// function template specialization or member function of a class template 1913b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// specialization. 1914b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// 1915b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// \param Recursive if true, recursively instantiates any functions that 1916b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor/// are required by this instantiation. 1917e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor/// 1918e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor/// \param DefinitionRequired if true, then we are performing an explicit 1919e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor/// instantiation where the body of the function is required. Complain if 1920e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor/// there is no such body. 1921f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregorvoid Sema::InstantiateFunctionDefinition(SourceLocation PointOfInstantiation, 1922b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor FunctionDecl *Function, 1923e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor bool Recursive, 1924e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor bool DefinitionRequired) { 192554dabfca850ca9e60e9ffb60003529f868d4d127Douglas Gregor if (Function->isInvalidDecl()) 192654dabfca850ca9e60e9ffb60003529f868d4d127Douglas Gregor return; 192754dabfca850ca9e60e9ffb60003529f868d4d127Douglas Gregor 19286fb0aee4f9dc261bbec72e1283ad8dc0557a6d96Argyrios Kyrtzidis assert(!Function->getBody() && "Already instantiated!"); 19291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1930251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor // Never instantiate an explicit specialization. 1931251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor if (Function->getTemplateSpecializationKind() == TSK_ExplicitSpecialization) 1932251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return; 1933251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor 19341eee0e753fb390b04848846e837714ec774b7bfdDouglas Gregor // Find the function body that we'll be substituting. 19353b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor const FunctionDecl *PatternDecl = Function->getTemplateInstantiationPattern(); 19361eee0e753fb390b04848846e837714ec774b7bfdDouglas Gregor Stmt *Pattern = 0; 19371eee0e753fb390b04848846e837714ec774b7bfdDouglas Gregor if (PatternDecl) 19386fb0aee4f9dc261bbec72e1283ad8dc0557a6d96Argyrios Kyrtzidis Pattern = PatternDecl->getBody(PatternDecl); 19391eee0e753fb390b04848846e837714ec774b7bfdDouglas Gregor 1940e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor if (!Pattern) { 1941e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor if (DefinitionRequired) { 1942e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor if (Function->getPrimaryTemplate()) 1943e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor Diag(PointOfInstantiation, 1944e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor diag::err_explicit_instantiation_undefined_func_template) 1945e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor << Function->getPrimaryTemplate(); 1946e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor else 1947e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor Diag(PointOfInstantiation, 1948e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor diag::err_explicit_instantiation_undefined_member) 1949e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor << 1 << Function->getDeclName() << Function->getDeclContext(); 1950e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor 1951e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor if (PatternDecl) 1952e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor Diag(PatternDecl->getLocation(), 1953e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor diag::note_explicit_instantiation_here); 1954e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor } 1955e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor 19561eee0e753fb390b04848846e837714ec774b7bfdDouglas Gregor return; 1957e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor } 19581eee0e753fb390b04848846e837714ec774b7bfdDouglas Gregor 1959d0e3daf2b980b505e535d35b432c938c6d0208efDouglas Gregor // C++0x [temp.explicit]p9: 1960d0e3daf2b980b505e535d35b432c938c6d0208efDouglas Gregor // Except for inline functions, other explicit instantiation declarations 19611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // have the effect of suppressing the implicit instantiation of the entity 1962d0e3daf2b980b505e535d35b432c938c6d0208efDouglas Gregor // to which they refer. 19631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (Function->getTemplateSpecializationKind() 1964d0e3daf2b980b505e535d35b432c938c6d0208efDouglas Gregor == TSK_ExplicitInstantiationDeclaration && 19657ced9c8529b734e313f62a3b81189d6f402f6713Douglas Gregor !PatternDecl->isInlined()) 1966d0e3daf2b980b505e535d35b432c938c6d0208efDouglas Gregor return; 19671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1968f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregor InstantiatingTemplate Inst(*this, PointOfInstantiation, Function); 1969f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregor if (Inst) 1970f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregor return; 1971b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor 1972b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor // If we're performing recursive template instantiation, create our own 1973b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor // queue of pending implicit instantiations that we will instantiate later, 1974b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor // while we're still within our own instantiation context. 1975b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor std::deque<PendingImplicitInstantiation> SavedPendingImplicitInstantiations; 1976b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor if (Recursive) 1977b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor PendingImplicitInstantiations.swap(SavedPendingImplicitInstantiations); 19781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1979e2c31ff0bc622e6fd7d47d7e08b53840f3be6c89Douglas Gregor ActOnStartOfFunctionDef(0, DeclPtrTy::make(Function)); 1980e2c31ff0bc622e6fd7d47d7e08b53840f3be6c89Douglas Gregor 198154dabfca850ca9e60e9ffb60003529f868d4d127Douglas Gregor // Introduce a new scope where local variable instantiations will be 198260406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor // recorded, unless we're actually a member function within a local 198360406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor // class, in which case we need to merge our results with the parent 198460406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor // scope (of the enclosing function). 198560406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor bool MergeWithParentScope = false; 198660406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor if (CXXRecordDecl *Rec = dyn_cast<CXXRecordDecl>(Function->getDeclContext())) 198760406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor MergeWithParentScope = Rec->isLocalClass(); 198860406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor 198960406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor LocalInstantiationScope Scope(*this, MergeWithParentScope); 19901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 199154dabfca850ca9e60e9ffb60003529f868d4d127Douglas Gregor // Introduce the instantiated function parameters into the local 199254dabfca850ca9e60e9ffb60003529f868d4d127Douglas Gregor // instantiation scope. 199354dabfca850ca9e60e9ffb60003529f868d4d127Douglas Gregor for (unsigned I = 0, N = PatternDecl->getNumParams(); I != N; ++I) 199454dabfca850ca9e60e9ffb60003529f868d4d127Douglas Gregor Scope.InstantiatedLocal(PatternDecl->getParamDecl(I), 199554dabfca850ca9e60e9ffb60003529f868d4d127Douglas Gregor Function->getParamDecl(I)); 199654dabfca850ca9e60e9ffb60003529f868d4d127Douglas Gregor 1997b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor // Enter the scope of this instantiation. We don't use 1998b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor // PushDeclContext because we don't have a scope. 1999b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor DeclContext *PreviousContext = CurContext; 2000b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor CurContext = Function; 2001b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor 20021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump MultiLevelTemplateArgumentList TemplateArgs = 2003090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson getTemplateInstantiationArgs(Function); 2004090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson 2005090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson // If this is a constructor, instantiate the member initializers. 20061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const CXXConstructorDecl *Ctor = 2007090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson dyn_cast<CXXConstructorDecl>(PatternDecl)) { 2008090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson InstantiateMemInitializers(cast<CXXConstructorDecl>(Function), Ctor, 2009090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson TemplateArgs); 20101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 20111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 201254dabfca850ca9e60e9ffb60003529f868d4d127Douglas Gregor // Instantiate the function body. 2013090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson OwningStmtResult Body = SubstStmt(Pattern, TemplateArgs); 2014e2c31ff0bc622e6fd7d47d7e08b53840f3be6c89Douglas Gregor 201552604ab71a74b8ec481255dfeea7dc9dba63b1a5Douglas Gregor if (Body.isInvalid()) 201652604ab71a74b8ec481255dfeea7dc9dba63b1a5Douglas Gregor Function->setInvalidDecl(); 201752604ab71a74b8ec481255dfeea7dc9dba63b1a5Douglas Gregor 20181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ActOnFinishFunctionBody(DeclPtrTy::make(Function), move(Body), 2019e2c31ff0bc622e6fd7d47d7e08b53840f3be6c89Douglas Gregor /*IsInstantiation=*/true); 2020b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor 20210c01d18094100db92d38daa923c95661512db203John McCall PerformDependentDiagnostics(PatternDecl, TemplateArgs); 20220c01d18094100db92d38daa923c95661512db203John McCall 2023b9f1b8d877541e76390cd3807c2dcff2f950360aDouglas Gregor CurContext = PreviousContext; 2024aba43bb13b3aa3e81990989375fba3a902bfe1c2Douglas Gregor 2025aba43bb13b3aa3e81990989375fba3a902bfe1c2Douglas Gregor DeclGroupRef DG(Function); 2026aba43bb13b3aa3e81990989375fba3a902bfe1c2Douglas Gregor Consumer.HandleTopLevelDecl(DG); 20271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 202860406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor // This class may have local implicit instantiations that need to be 202960406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor // instantiation within this scope. 203060406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor PerformPendingImplicitInstantiations(/*LocalOnly=*/true); 203160406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor Scope.Exit(); 203260406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor 2033b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor if (Recursive) { 2034b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor // Instantiate any pending implicit instantiations found during the 20351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // instantiation of this template. 2036b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor PerformPendingImplicitInstantiations(); 20371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2038b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor // Restore the set of pending implicit instantiations. 2039b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor PendingImplicitInstantiations.swap(SavedPendingImplicitInstantiations); 2040b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor } 2041a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor} 2042a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor 2043a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor/// \brief Instantiate the definition of the given variable from its 2044a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor/// template. 2045a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor/// 20467caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// \param PointOfInstantiation the point at which the instantiation was 20477caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// required. Note that this is not precisely a "point of instantiation" 20487caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// for the function, but it's close. 20497caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// 20507caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// \param Var the already-instantiated declaration of a static member 20517caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// variable of a class template specialization. 20527caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// 20537caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// \param Recursive if true, recursively instantiates any functions that 20547caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor/// are required by this instantiation. 2055e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor/// 2056e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor/// \param DefinitionRequired if true, then we are performing an explicit 2057e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor/// instantiation where an out-of-line definition of the member variable 2058e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor/// is required. Complain if there is no such definition. 20597caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregorvoid Sema::InstantiateStaticDataMemberDefinition( 20607caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor SourceLocation PointOfInstantiation, 20617caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor VarDecl *Var, 2062e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor bool Recursive, 2063e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor bool DefinitionRequired) { 20647caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Var->isInvalidDecl()) 20657caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return; 20661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20677caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // Find the out-of-line definition of this static data member. 20687caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor VarDecl *Def = Var->getInstantiatedFromStaticDataMember(); 20697caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Def && "This data member was not instantiated from a template?"); 20700d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor assert(Def->isStaticDataMember() && "Not a static data member?"); 20710d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor Def = Def->getOutOfLineDefinition(); 20721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20730d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor if (!Def) { 20747caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // We did not find an out-of-line definition of this static data member, 20757caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // so we won't perform any instantiation. Rather, we rely on the user to 20761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // instantiate this definition (or provide a specialization for it) in 20771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // another translation unit. 2078e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor if (DefinitionRequired) { 20790d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor Def = Var->getInstantiatedFromStaticDataMember(); 2080e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor Diag(PointOfInstantiation, 2081e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor diag::err_explicit_instantiation_undefined_member) 2082e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor << 2 << Var->getDeclName() << Var->getDeclContext(); 2083e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor Diag(Def->getLocation(), diag::note_explicit_instantiation_here); 2084e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor } 2085e2d3a3de71b2fa35614cb732a6da95a41fa38ad9Douglas Gregor 20867caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return; 20877caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor } 20887caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 2089251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor // Never instantiate an explicit specialization. 20901028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor if (Var->getTemplateSpecializationKind() == TSK_ExplicitSpecialization) 2091251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return; 2092251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor 2093251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor // C++0x [temp.explicit]p9: 2094251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor // Except for inline functions, other explicit instantiation declarations 2095251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor // have the effect of suppressing the implicit instantiation of the entity 2096251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor // to which they refer. 20971028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor if (Var->getTemplateSpecializationKind() 2098251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor == TSK_ExplicitInstantiationDeclaration) 2099251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return; 21001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21017caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor InstantiatingTemplate Inst(*this, PointOfInstantiation, Var); 21027caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Inst) 21037caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return; 21041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21057caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // If we're performing recursive template instantiation, create our own 21067caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // queue of pending implicit instantiations that we will instantiate later, 21077caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // while we're still within our own instantiation context. 21087caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor std::deque<PendingImplicitInstantiation> SavedPendingImplicitInstantiations; 21097caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Recursive) 21107caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor PendingImplicitInstantiations.swap(SavedPendingImplicitInstantiations); 21111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21127caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // Enter the scope of this instantiation. We don't use 21137caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // PushDeclContext because we don't have a scope. 21147caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor DeclContext *PreviousContext = CurContext; 21157caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor CurContext = Var->getDeclContext(); 21161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21171028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor VarDecl *OldVar = Var; 2118ce3ff2bd3a3386dbc209d3cba4b8769173b274c1John McCall Var = cast_or_null<VarDecl>(SubstDecl(Def, Var->getDeclContext(), 21197caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor getTemplateInstantiationArgs(Var))); 21207caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor CurContext = PreviousContext; 21217caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 21227caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Var) { 2123583f33b8a9227bace1a77a15404b4c64dc619d69Douglas Gregor MemberSpecializationInfo *MSInfo = OldVar->getMemberSpecializationInfo(); 2124583f33b8a9227bace1a77a15404b4c64dc619d69Douglas Gregor assert(MSInfo && "Missing member specialization information?"); 2125583f33b8a9227bace1a77a15404b4c64dc619d69Douglas Gregor Var->setTemplateSpecializationKind(MSInfo->getTemplateSpecializationKind(), 2126583f33b8a9227bace1a77a15404b4c64dc619d69Douglas Gregor MSInfo->getPointOfInstantiation()); 21277caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor DeclGroupRef DG(Var); 21287caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor Consumer.HandleTopLevelDecl(DG); 21297caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor } 21301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21317caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Recursive) { 21327caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // Instantiate any pending implicit instantiations found during the 21331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // instantiation of this template. 21347caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor PerformPendingImplicitInstantiations(); 21351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21367caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // Restore the set of pending implicit instantiations. 21377caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor PendingImplicitInstantiations.swap(SavedPendingImplicitInstantiations); 21381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 2139a58861f6490780baec50689e06ca65f7438b85dcDouglas Gregor} 2140815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 2141090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlssonvoid 2142090253155017b7eec031bbd7bf07824a448e1d7aAnders CarlssonSema::InstantiateMemInitializers(CXXConstructorDecl *New, 2143090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson const CXXConstructorDecl *Tmpl, 2144090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson const MultiLevelTemplateArgumentList &TemplateArgs) { 21451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2146090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson llvm::SmallVector<MemInitTy*, 4> NewInits; 21479db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor bool AnyErrors = false; 21489db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor 2149090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson // Instantiate all the initializers. 2150090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson for (CXXConstructorDecl::init_const_iterator Inits = Tmpl->init_begin(), 215172f6d678c8de9f3a770e8ae5fc4979abf3940668Douglas Gregor InitsEnd = Tmpl->init_end(); 215272f6d678c8de9f3a770e8ae5fc4979abf3940668Douglas Gregor Inits != InitsEnd; ++Inits) { 2153090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson CXXBaseOrMemberInitializer *Init = *Inits; 2154090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson 21556b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor SourceLocation LParenLoc, RParenLoc; 2156090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson ASTOwningVector<&ActionBase::DeleteExpr> NewArgs(*this); 21579db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor llvm::SmallVector<SourceLocation, 4> CommaLocs; 21581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21596b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor // Instantiate the initializer. 21606b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor if (InstantiateInitializer(*this, Init->getInit(), TemplateArgs, 21616b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor LParenLoc, CommaLocs, NewArgs, RParenLoc)) { 21626b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor AnyErrors = true; 21636b98b2e5f33ce2dcdb7fa385f7e21672d49f1a69Douglas Gregor continue; 2164090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson } 21659db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor 2166090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson MemInitResult NewInit; 2167090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson if (Init->isBaseInitializer()) { 2168a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *BaseTInfo = SubstType(Init->getBaseClassInfo(), 2169802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor TemplateArgs, 2170802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor Init->getSourceLocation(), 2171802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor New->getDeclName()); 2172a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall if (!BaseTInfo) { 21739db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor AnyErrors = true; 2174802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor New->setInvalidDecl(); 2175802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor continue; 2176802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor } 2177802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor 2178a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall NewInit = BuildBaseInitializer(BaseTInfo->getType(), BaseTInfo, 21791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump (Expr **)NewArgs.data(), 2180090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson NewArgs.size(), 2181802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor Init->getLParenLoc(), 2182090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson Init->getRParenLoc(), 2183090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson New->getParent()); 2184090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson } else if (Init->isMemberInitializer()) { 21859988d5d9ad0850e455bd413b03ba7dc8ecee5999Anders Carlsson FieldDecl *Member; 21861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21879988d5d9ad0850e455bd413b03ba7dc8ecee5999Anders Carlsson // Is this an anonymous union? 21889988d5d9ad0850e455bd413b03ba7dc8ecee5999Anders Carlsson if (FieldDecl *UnionInit = Init->getAnonUnionMember()) 21897c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor Member = cast<FieldDecl>(FindInstantiatedDecl(Init->getMemberLocation(), 21907c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor UnionInit, TemplateArgs)); 21919988d5d9ad0850e455bd413b03ba7dc8ecee5999Anders Carlsson else 21927c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor Member = cast<FieldDecl>(FindInstantiatedDecl(Init->getMemberLocation(), 21937c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor Init->getMember(), 2194e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor TemplateArgs)); 21951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NewInit = BuildMemberInitializer(Member, (Expr **)NewArgs.data(), 2197090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson NewArgs.size(), 2198090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson Init->getSourceLocation(), 2199802ab45fea51beff12f386329d4928811a479c6eDouglas Gregor Init->getLParenLoc(), 2200090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson Init->getRParenLoc()); 2201090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson } 2202090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson 22039db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor if (NewInit.isInvalid()) { 22049db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor AnyErrors = true; 2205090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson New->setInvalidDecl(); 22069db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor } else { 2207090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson // FIXME: It would be nice if ASTOwningVector had a release function. 2208090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson NewArgs.take(); 22091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2210090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson NewInits.push_back((MemInitTy *)NewInit.get()); 2211090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson } 2212090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson } 22131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2214090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson // Assign all the initializers to the new constructor. 22151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ActOnMemInitializers(DeclPtrTy::make(New), 2216090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson /*FIXME: ColonLoc */ 2217090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson SourceLocation(), 22189db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor NewInits.data(), NewInits.size(), 22199db7dbb918ca49f4ee6c181e4917e7b6ec547353Douglas Gregor AnyErrors); 2220090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson} 2221090253155017b7eec031bbd7bf07824a448e1d7aAnders Carlsson 222252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall// TODO: this could be templated if the various decl types used the 222352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall// same method name. 222452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCallstatic bool isInstantiationOf(ClassTemplateDecl *Pattern, 222552a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall ClassTemplateDecl *Instance) { 222652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Pattern = Pattern->getCanonicalDecl(); 222752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 222852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall do { 222952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getCanonicalDecl(); 223052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (Pattern == Instance) return true; 223152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getInstantiatedFromMemberTemplate(); 223252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall } while (Instance); 223352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 223452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return false; 223552a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall} 223652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 22370d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregorstatic bool isInstantiationOf(FunctionTemplateDecl *Pattern, 22380d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor FunctionTemplateDecl *Instance) { 22390d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor Pattern = Pattern->getCanonicalDecl(); 22400d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor 22410d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor do { 22420d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor Instance = Instance->getCanonicalDecl(); 22430d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor if (Pattern == Instance) return true; 22440d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor Instance = Instance->getInstantiatedFromMemberTemplate(); 22450d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor } while (Instance); 22460d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor 22470d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor return false; 22480d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor} 22490d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor 2250ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregorstatic bool 2251ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas GregorisInstantiationOf(ClassTemplatePartialSpecializationDecl *Pattern, 2252ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor ClassTemplatePartialSpecializationDecl *Instance) { 2253ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor Pattern 2254ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor = cast<ClassTemplatePartialSpecializationDecl>(Pattern->getCanonicalDecl()); 2255ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor do { 2256ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor Instance = cast<ClassTemplatePartialSpecializationDecl>( 2257ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor Instance->getCanonicalDecl()); 2258ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor if (Pattern == Instance) 2259ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return true; 2260ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor Instance = Instance->getInstantiatedFromMember(); 2261ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor } while (Instance); 2262ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 2263ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return false; 2264ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor} 2265ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 226652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCallstatic bool isInstantiationOf(CXXRecordDecl *Pattern, 226752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall CXXRecordDecl *Instance) { 226852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Pattern = Pattern->getCanonicalDecl(); 226952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 227052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall do { 227152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getCanonicalDecl(); 227252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (Pattern == Instance) return true; 227352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getInstantiatedFromMemberClass(); 227452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall } while (Instance); 227552a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 227652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return false; 227752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall} 227852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 227952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCallstatic bool isInstantiationOf(FunctionDecl *Pattern, 228052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall FunctionDecl *Instance) { 228152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Pattern = Pattern->getCanonicalDecl(); 228252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 228352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall do { 228452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getCanonicalDecl(); 228552a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (Pattern == Instance) return true; 228652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getInstantiatedFromMemberFunction(); 228752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall } while (Instance); 228852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 228952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return false; 229052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall} 229152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 229252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCallstatic bool isInstantiationOf(EnumDecl *Pattern, 229352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall EnumDecl *Instance) { 229452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Pattern = Pattern->getCanonicalDecl(); 229552a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 229652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall do { 229752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getCanonicalDecl(); 229852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (Pattern == Instance) return true; 229952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getInstantiatedFromMemberEnum(); 230052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall } while (Instance); 230152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 230252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return false; 230352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall} 230452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 2305ed97649e9574b9d854fa4d6109c9333ae0993554John McCallstatic bool isInstantiationOf(UsingShadowDecl *Pattern, 2306ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingShadowDecl *Instance, 2307ed97649e9574b9d854fa4d6109c9333ae0993554John McCall ASTContext &C) { 2308ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return C.getInstantiatedFromUsingShadowDecl(Instance) == Pattern; 2309ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 2310ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2311ed97649e9574b9d854fa4d6109c9333ae0993554John McCallstatic bool isInstantiationOf(UsingDecl *Pattern, 2312ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingDecl *Instance, 2313ed97649e9574b9d854fa4d6109c9333ae0993554John McCall ASTContext &C) { 2314ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return C.getInstantiatedFromUsingDecl(Instance) == Pattern; 2315ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 2316ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 23177ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallstatic bool isInstantiationOf(UnresolvedUsingValueDecl *Pattern, 23187ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall UsingDecl *Instance, 23197ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall ASTContext &C) { 2320ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return C.getInstantiatedFromUsingDecl(Instance) == Pattern; 23217ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall} 23227ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall 23237ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallstatic bool isInstantiationOf(UnresolvedUsingTypenameDecl *Pattern, 23240d8df780aef1acda5962347a32591efc629b6748Anders Carlsson UsingDecl *Instance, 23250d8df780aef1acda5962347a32591efc629b6748Anders Carlsson ASTContext &C) { 2326ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return C.getInstantiatedFromUsingDecl(Instance) == Pattern; 23270d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 23280d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 232952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCallstatic bool isInstantiationOfStaticDataMember(VarDecl *Pattern, 233052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall VarDecl *Instance) { 233152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall assert(Instance->isStaticDataMember()); 233252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 233352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Pattern = Pattern->getCanonicalDecl(); 233452a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 233552a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall do { 233652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getCanonicalDecl(); 233752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (Pattern == Instance) return true; 233852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall Instance = Instance->getInstantiatedFromStaticDataMember(); 233952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall } while (Instance); 234052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 234152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return false; 234252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall} 234352a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 2344ed97649e9574b9d854fa4d6109c9333ae0993554John McCall// Other is the prospective instantiation 2345ed97649e9574b9d854fa4d6109c9333ae0993554John McCall// D is the prospective pattern 2346815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregorstatic bool isInstantiationOf(ASTContext &Ctx, NamedDecl *D, Decl *Other) { 23470d8df780aef1acda5962347a32591efc629b6748Anders Carlsson if (D->getKind() != Other->getKind()) { 23487ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall if (UnresolvedUsingTypenameDecl *UUD 23497ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall = dyn_cast<UnresolvedUsingTypenameDecl>(D)) { 23507ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall if (UsingDecl *UD = dyn_cast<UsingDecl>(Other)) { 23517ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall return isInstantiationOf(UUD, UD, Ctx); 23527ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall } 23537ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall } 23547ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall 23557ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall if (UnresolvedUsingValueDecl *UUD 23567ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall = dyn_cast<UnresolvedUsingValueDecl>(D)) { 23570d8df780aef1acda5962347a32591efc629b6748Anders Carlsson if (UsingDecl *UD = dyn_cast<UsingDecl>(Other)) { 23580d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return isInstantiationOf(UUD, UD, Ctx); 23590d8df780aef1acda5962347a32591efc629b6748Anders Carlsson } 23600d8df780aef1acda5962347a32591efc629b6748Anders Carlsson } 2361815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 23620d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return false; 23630d8df780aef1acda5962347a32591efc629b6748Anders Carlsson } 23641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 236552a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (CXXRecordDecl *Record = dyn_cast<CXXRecordDecl>(Other)) 236652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return isInstantiationOf(cast<CXXRecordDecl>(D), Record); 23671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 236852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (FunctionDecl *Function = dyn_cast<FunctionDecl>(Other)) 236952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return isInstantiationOf(cast<FunctionDecl>(D), Function); 2370815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 237152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (EnumDecl *Enum = dyn_cast<EnumDecl>(Other)) 237252a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return isInstantiationOf(cast<EnumDecl>(D), Enum); 2373815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 23747caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (VarDecl *Var = dyn_cast<VarDecl>(Other)) 237552a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (Var->isStaticDataMember()) 237652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return isInstantiationOfStaticDataMember(cast<VarDecl>(D), Var); 237752a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 237852a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall if (ClassTemplateDecl *Temp = dyn_cast<ClassTemplateDecl>(Other)) 237952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return isInstantiationOf(cast<ClassTemplateDecl>(D), Temp); 2380a5bf7f13d7772b164750997f95ab18487bbc4114Douglas Gregor 23810d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor if (FunctionTemplateDecl *Temp = dyn_cast<FunctionTemplateDecl>(Other)) 23820d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor return isInstantiationOf(cast<FunctionTemplateDecl>(D), Temp); 23830d696533420fca4cf32694621e3edf582ad4d06eDouglas Gregor 2384ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor if (ClassTemplatePartialSpecializationDecl *PartialSpec 2385ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor = dyn_cast<ClassTemplatePartialSpecializationDecl>(Other)) 2386ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor return isInstantiationOf(cast<ClassTemplatePartialSpecializationDecl>(D), 2387ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor PartialSpec); 2388ed9c0f90b7e0811c209b95e39fe07c211c531285Douglas Gregor 2389d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson if (FieldDecl *Field = dyn_cast<FieldDecl>(Other)) { 2390d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson if (!Field->getDeclName()) { 2391d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson // This is an unnamed field. 23921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Ctx.getInstantiatedFromUnnamedFieldDecl(Field) == 2393d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson cast<FieldDecl>(D); 2394d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson } 2395d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson } 23961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2397ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (UsingDecl *Using = dyn_cast<UsingDecl>(Other)) 2398ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return isInstantiationOf(cast<UsingDecl>(D), Using, Ctx); 2399ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2400ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (UsingShadowDecl *Shadow = dyn_cast<UsingShadowDecl>(Other)) 2401ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return isInstantiationOf(cast<UsingShadowDecl>(D), Shadow, Ctx); 2402ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2403815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor return D->getDeclName() && isa<NamedDecl>(Other) && 2404815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor D->getDeclName() == cast<NamedDecl>(Other)->getDeclName(); 2405815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor} 2406815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 2407815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregortemplate<typename ForwardIterator> 24081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic NamedDecl *findInstantiationOf(ASTContext &Ctx, 2409815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor NamedDecl *D, 2410815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor ForwardIterator first, 2411815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor ForwardIterator last) { 2412815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor for (; first != last; ++first) 2413815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor if (isInstantiationOf(Ctx, D, *first)) 2414815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor return cast<NamedDecl>(*first); 2415815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 2416815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor return 0; 2417815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor} 2418815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 241902cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// \brief Finds the instantiation of the given declaration context 242002cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// within the current instantiation. 242102cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// 242202cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall/// \returns NULL if there was an error 24237c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas GregorDeclContext *Sema::FindInstantiatedContext(SourceLocation Loc, DeclContext* DC, 2424e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor const MultiLevelTemplateArgumentList &TemplateArgs) { 242502cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall if (NamedDecl *D = dyn_cast<NamedDecl>(DC)) { 24267c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor Decl* ID = FindInstantiatedDecl(Loc, D, TemplateArgs); 242702cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall return cast_or_null<DeclContext>(ID); 242802cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall } else return DC; 242902cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall} 243002cace78cf48cc26686bd5b07c78606abca13bcdJohn McCall 2431ed961e7fffc268eeace169869f5a059bcbd5fcbdDouglas Gregor/// \brief Find the instantiation of the given declaration within the 2432ed961e7fffc268eeace169869f5a059bcbd5fcbdDouglas Gregor/// current instantiation. 2433815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// 2434815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// This routine is intended to be used when \p D is a declaration 2435815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// referenced from within a template, that needs to mapped into the 2436815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// corresponding declaration within an instantiation. For example, 2437815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// given: 2438815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// 2439815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// \code 2440815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// template<typename T> 2441815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// struct X { 2442815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// enum Kind { 2443815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// KnownValue = sizeof(T) 2444815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// }; 2445815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// 2446815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// bool getKind() const { return KnownValue; } 2447815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// }; 2448815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// 2449815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// template struct X<int>; 2450815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// \endcode 2451815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// 2452815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// In the instantiation of X<int>::getKind(), we need to map the 2453815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// EnumConstantDecl for KnownValue (which refers to 2454815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor/// X<T>::<Kind>::KnownValue) to its instantiation 2455ed961e7fffc268eeace169869f5a059bcbd5fcbdDouglas Gregor/// (X<int>::<Kind>::KnownValue). InstantiateCurrentDeclRef() performs 2456ed961e7fffc268eeace169869f5a059bcbd5fcbdDouglas Gregor/// this mapping from within the instantiation of X<int>. 24577c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas GregorNamedDecl *Sema::FindInstantiatedDecl(SourceLocation Loc, NamedDecl *D, 2458e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor const MultiLevelTemplateArgumentList &TemplateArgs) { 2459815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor DeclContext *ParentDC = D->getDeclContext(); 2460550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor if (isa<ParmVarDecl>(D) || isa<NonTypeTemplateParmDecl>(D) || 24616d3e627dacdb2f749195635ab587fd067ef813e1Douglas Gregor isa<TemplateTypeParmDecl>(D) || isa<TemplateTemplateParmDecl>(D) || 2462550d9b28fd586db541eb6dd36f3c10d114e483d8Douglas Gregor ParentDC->isFunctionOrMethod()) { 24632bba76b0ec4c2f2134eebb1a2bbfe102f36c2f6eDouglas Gregor // D is a local of some kind. Look into the map of local 24642bba76b0ec4c2f2134eebb1a2bbfe102f36c2f6eDouglas Gregor // declarations to their instantiations. 24652bba76b0ec4c2f2134eebb1a2bbfe102f36c2f6eDouglas Gregor return cast<NamedDecl>(CurrentInstantiationScope->getInstantiationOf(D)); 24662bba76b0ec4c2f2134eebb1a2bbfe102f36c2f6eDouglas Gregor } 2467815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 2468e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor if (CXXRecordDecl *Record = dyn_cast<CXXRecordDecl>(D)) { 2469e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor if (!Record->isDependentContext()) 2470e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor return D; 2471e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor 24728b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // If the RecordDecl is actually the injected-class-name or a 24738b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // "templated" declaration for a class template, class template 24748b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // partial specialization, or a member class of a class template, 24758b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // substitute into the injected-class-name of the class template 24768b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // or partial specialization to find the new DeclContext. 2477e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor QualType T; 2478e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor ClassTemplateDecl *ClassTemplate = Record->getDescribedClassTemplate(); 2479e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor 2480e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor if (ClassTemplate) { 24813cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall T = ClassTemplate->getInjectedClassNameSpecialization(Context); 2482e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor } else if (ClassTemplatePartialSpecializationDecl *PartialSpec 2483e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor = dyn_cast<ClassTemplatePartialSpecializationDecl>(Record)) { 2484e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor ClassTemplate = PartialSpec->getSpecializedTemplate(); 24853cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 24863cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall // If we call SubstType with an InjectedClassNameType here we 24873cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall // can end up in an infinite loop. 24883cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall T = Context.getTypeDeclType(Record); 24893cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(T) && 24903cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall "type of partial specialization is not an InjectedClassNameType"); 249131f17ecbef57b5679c017c375db330546b7b5145John McCall T = cast<InjectedClassNameType>(T)->getInjectedSpecializationType(); 24923cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 2493e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor 2494e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor if (!T.isNull()) { 24958b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // Substitute into the injected-class-name to get the type 24968b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // corresponding to the instantiation we want, which may also be 24978b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // the current instantiation (if we're in a template 24988b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // definition). This substitution should never fail, since we 24998b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // know we can instantiate the injected-class-name or we 25008b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // wouldn't have gotten to the injected-class-name! 25018b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor 25028b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // FIXME: Can we use the CurrentInstantiationScope to avoid this 25038b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // extra instantiation in the common case? 2504e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor T = SubstType(T, TemplateArgs, SourceLocation(), DeclarationName()); 2505e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor assert(!T.isNull() && "Instantiation of injected-class-name cannot fail."); 2506e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor 2507e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor if (!T->isDependentType()) { 2508e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor assert(T->isRecordType() && "Instantiation must produce a record type"); 2509e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor return T->getAs<RecordType>()->getDecl(); 2510e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor } 2511e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor 25128b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // We are performing "partial" template instantiation to create 25138b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // the member declarations for the members of a class template 25148b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // specialization. Therefore, D is actually referring to something 25158b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // in the current instantiation. Look through the current 25168b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // context, which contains actual instantiations, to find the 25178b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // instantiation of the "current instantiation" that D refers 25188b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // to. 25198b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor bool SawNonDependentContext = false; 25201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (DeclContext *DC = CurContext; !DC->isFileContext(); 252152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall DC = DC->getParent()) { 25221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ClassTemplateSpecializationDecl *Spec 25238b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor = dyn_cast<ClassTemplateSpecializationDecl>(DC)) 2524e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor if (isInstantiationOf(ClassTemplate, 2525e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor Spec->getSpecializedTemplate())) 252652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall return Spec; 25278b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor 25288b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor if (!DC->isDependentContext()) 25298b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor SawNonDependentContext = true; 253052a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall } 253152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 25328b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // We're performing "instantiation" of a member of the current 25338b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // instantiation while we are type-checking the 25348b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor // definition. Compute the declaration context and return that. 25358b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor assert(!SawNonDependentContext && 25368b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor "No dependent context while instantiating record"); 25378b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor DeclContext *DC = computeDeclContext(T); 25388b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor assert(DC && 253952a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall "Unable to find declaration for the current instantiation"); 25408b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor return cast<CXXRecordDecl>(DC); 254152a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall } 25428b013bdbf6474ed25d4017635cac851e51163c25Douglas Gregor 2543e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor // Fall through to deal with other dependent record types (e.g., 2544e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor // anonymous unions in class templates). 2545e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor } 254652a575a5ce7b27b6612357cdba5aa4ec1574ad5eJohn McCall 2547e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor if (!ParentDC->isDependentContext()) 2548e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor return D; 2549e95b40961302c2130968ddfc3ba162e138f2118eDouglas Gregor 25507c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor ParentDC = FindInstantiatedContext(Loc, ParentDC, TemplateArgs); 25511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!ParentDC) 255244c73848d5d5bd34c05582dc8398a20bea7cd971Douglas Gregor return 0; 25531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2554815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor if (ParentDC != D->getDeclContext()) { 2555815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // We performed some kind of instantiation in the parent context, 2556815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // so now we need to look into the instantiated parent context to 2557815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // find the instantiation of the declaration D. 25587c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor 25593cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall // If our context used to be dependent, we may need to instantiate 25603cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall // it before performing lookup into that context. 25613cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (CXXRecordDecl *Spec = dyn_cast<CXXRecordDecl>(ParentDC)) { 25627c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor if (!Spec->isDependentContext()) { 25637c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor QualType T = Context.getTypeDeclType(Spec); 25643cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const RecordType *Tag = T->getAs<RecordType>(); 25653cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(Tag && "type of non-dependent record is not a RecordType"); 25663cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (!Tag->isBeingDefined() && 25673cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall RequireCompleteType(Loc, T, diag::err_incomplete_type)) 25683cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return 0; 25697c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor } 25707c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor } 25717c1e98f1cb37b40e619a0c8aee8b337f037b432bDouglas Gregor 2572815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor NamedDecl *Result = 0; 2573815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor if (D->getDeclName()) { 257417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis DeclContext::lookup_result Found = ParentDC->lookup(D->getDeclName()); 2575815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor Result = findInstantiationOf(Context, D, Found.first, Found.second); 2576815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor } else { 2577815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // Since we don't have a name for the entity we're looking for, 2578815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // our only option is to walk through all of the declarations to 2579815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // find that name. This will occur in a few cases: 2580815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // 2581815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // - anonymous struct/union within a template 2582815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // - unnamed class/struct/union/enum within a template 2583815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // 2584815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor // FIXME: Find a better way to find these instantiations! 25851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Result = findInstantiationOf(Context, D, 258617945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis ParentDC->decls_begin(), 258717945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis ParentDC->decls_end()); 2588815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor } 25891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25909f54ad4381370c6b771424b53d219e661d6d6706John McCall // UsingShadowDecls can instantiate to nothing because of using hiding. 259100225547b51b42f7400eed36475b6672418a1151Douglas Gregor assert((Result || isa<UsingShadowDecl>(D) || D->isInvalidDecl() || 259200225547b51b42f7400eed36475b6672418a1151Douglas Gregor cast<Decl>(ParentDC)->isInvalidDecl()) 25939f54ad4381370c6b771424b53d219e661d6d6706John McCall && "Unable to find instantiation of declaration!"); 25949f54ad4381370c6b771424b53d219e661d6d6706John McCall 2595815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor D = Result; 2596815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor } 2597815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor 2598815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor return D; 2599815215daf8f642b53a28212313fca7b9f77e5b9dDouglas Gregor} 2600d7f37bf8b9a211455c5037df7b7e88e5a9510119Douglas Gregor 26011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// \brief Performs template instantiation for all implicit template 2602d7f37bf8b9a211455c5037df7b7e88e5a9510119Douglas Gregor/// instantiations we have seen until this point. 260360406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregorvoid Sema::PerformPendingImplicitInstantiations(bool LocalOnly) { 260460406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor while (!PendingLocalImplicitInstantiations.empty() || 260560406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor (!LocalOnly && !PendingImplicitInstantiations.empty())) { 260660406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor PendingImplicitInstantiation Inst; 260760406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor 260860406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor if (PendingLocalImplicitInstantiations.empty()) { 260960406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor Inst = PendingImplicitInstantiations.front(); 261060406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor PendingImplicitInstantiations.pop_front(); 261160406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor } else { 261260406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor Inst = PendingLocalImplicitInstantiations.front(); 261360406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor PendingLocalImplicitInstantiations.pop_front(); 261460406bede202b66ebdd98cac0c38d20f9698aecaDouglas Gregor } 26151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26167caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // Instantiate function definitions 26177caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (FunctionDecl *Function = dyn_cast<FunctionDecl>(Inst.first)) { 26181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump PrettyStackTraceActionsDecl CrashInfo(DeclPtrTy::make(Function), 2619c17fb7bd9a06b027c792c7dfad7e9fa430277affAnders Carlsson Function->getLocation(), *this, 2620c17fb7bd9a06b027c792c7dfad7e9fa430277affAnders Carlsson Context.getSourceManager(), 2621c17fb7bd9a06b027c792c7dfad7e9fa430277affAnders Carlsson "instantiating function definition"); 26221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26236fb0aee4f9dc261bbec72e1283ad8dc0557a6d96Argyrios Kyrtzidis if (!Function->getBody()) 2624b33fe2ff12676bff9db595fdf77e29014d7ba397Douglas Gregor InstantiateFunctionDefinition(/*FIXME:*/Inst.second, Function, true); 26257caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor continue; 26267caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor } 26271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26287caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor // Instantiate static data member definitions. 26297caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor VarDecl *Var = cast<VarDecl>(Inst.first); 26307caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Var->isStaticDataMember() && "Not a static data member?"); 2631c17fb7bd9a06b027c792c7dfad7e9fa430277affAnders Carlsson 2632291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth // Don't try to instantiate declarations if the most recent redeclaration 2633291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth // is invalid. 2634291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth if (Var->getMostRecentDeclaration()->isInvalidDecl()) 2635291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth continue; 2636291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth 2637291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth // Check if the most recent declaration has changed the specialization kind 2638291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth // and removed the need for implicit instantiation. 2639291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth switch (Var->getMostRecentDeclaration()->getTemplateSpecializationKind()) { 2640291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth case TSK_Undeclared: 2641291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth assert(false && "Cannot instantitiate an undeclared specialization."); 2642291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth case TSK_ExplicitInstantiationDeclaration: 2643291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth case TSK_ExplicitInstantiationDefinition: 2644291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth case TSK_ExplicitSpecialization: 2645291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth continue; // No longer need implicit instantiation. 2646291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth case TSK_ImplicitInstantiation: 2647291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth break; 2648291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth } 2649291b441a095b289c30d9f311fe37a2cf5ed6fd45Chandler Carruth 26501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump PrettyStackTraceActionsDecl CrashInfo(DeclPtrTy::make(Var), 2651c17fb7bd9a06b027c792c7dfad7e9fa430277affAnders Carlsson Var->getLocation(), *this, 2652c17fb7bd9a06b027c792c7dfad7e9fa430277affAnders Carlsson Context.getSourceManager(), 2653c17fb7bd9a06b027c792c7dfad7e9fa430277affAnders Carlsson "instantiating static data member " 2654c17fb7bd9a06b027c792c7dfad7e9fa430277affAnders Carlsson "definition"); 26551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26567caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor InstantiateStaticDataMemberDefinition(/*FIXME:*/Inst.second, Var, true); 2657d7f37bf8b9a211455c5037df7b7e88e5a9510119Douglas Gregor } 2658d7f37bf8b9a211455c5037df7b7e88e5a9510119Douglas Gregor} 26590c01d18094100db92d38daa923c95661512db203John McCall 26600c01d18094100db92d38daa923c95661512db203John McCallvoid Sema::PerformDependentDiagnostics(const DeclContext *Pattern, 26610c01d18094100db92d38daa923c95661512db203John McCall const MultiLevelTemplateArgumentList &TemplateArgs) { 26620c01d18094100db92d38daa923c95661512db203John McCall for (DeclContext::ddiag_iterator I = Pattern->ddiag_begin(), 26630c01d18094100db92d38daa923c95661512db203John McCall E = Pattern->ddiag_end(); I != E; ++I) { 26640c01d18094100db92d38daa923c95661512db203John McCall DependentDiagnostic *DD = *I; 26650c01d18094100db92d38daa923c95661512db203John McCall 26660c01d18094100db92d38daa923c95661512db203John McCall switch (DD->getKind()) { 26670c01d18094100db92d38daa923c95661512db203John McCall case DependentDiagnostic::Access: 26680c01d18094100db92d38daa923c95661512db203John McCall HandleDependentAccessCheck(*DD, TemplateArgs); 26690c01d18094100db92d38daa923c95661512db203John McCall break; 26700c01d18094100db92d38daa923c95661512db203John McCall } 26710c01d18094100db92d38daa923c95661512db203John McCall } 26720c01d18094100db92d38daa923c95661512db203John McCall} 2673