diff options
Diffstat (limited to 'lib/Sema/SemaDecl.cpp')
-rw-r--r-- | lib/Sema/SemaDecl.cpp | 94 |
1 files changed, 52 insertions, 42 deletions
diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp index 7902ce84b5..f0a0e67f92 100644 --- a/lib/Sema/SemaDecl.cpp +++ b/lib/Sema/SemaDecl.cpp @@ -3687,51 +3687,61 @@ Sema::ActOnFunctionDeclarator(Scope* S, Declarator& D, DeclContext* DC, } if (D.getCXXScopeSpec().isSet() && !NewFD->isInvalidDecl()) { - // Fake up an access specifier if it's supposed to be a class member. - if (!Redeclaration && isa<CXXRecordDecl>(NewFD->getDeclContext())) - NewFD->setAccess(AS_public); - - // An out-of-line member function declaration must also be a - // definition (C++ [dcl.meaning]p1). - // Note that this is not the case for explicit specializations of - // function templates or member functions of class templates, per - // C++ [temp.expl.spec]p2. We also allow these declarations as an extension - // for compatibility with old SWIG code which likes to generate them. - if (!IsFunctionDefinition && !isFriend && - !isFunctionTemplateSpecialization && !isExplicitSpecialization) { - Diag(NewFD->getLocation(), diag::ext_out_of_line_declaration) - << D.getCXXScopeSpec().getRange(); - } - if (!Redeclaration && !(isFriend && CurContext->isDependentContext())) { - // The user tried to provide an out-of-line definition for a - // function that is a member of a class or namespace, but there - // was no such member function declared (C++ [class.mfct]p2, - // C++ [namespace.memdef]p2). For example: + if (!CurContext->isRecord()) { + // Fake up an access specifier if it's supposed to be a class member. + if (!Redeclaration && isa<CXXRecordDecl>(NewFD->getDeclContext())) + NewFD->setAccess(AS_public); + + // An out-of-line member function declaration must also be a + // definition (C++ [dcl.meaning]p1). + // Note that this is not the case for explicit specializations of + // function templates or member functions of class templates, per + // C++ [temp.expl.spec]p2. We also allow these declarations as an extension + // for compatibility with old SWIG code which likes to generate them. + if (!IsFunctionDefinition && !isFriend && + !isFunctionTemplateSpecialization && !isExplicitSpecialization) { + Diag(NewFD->getLocation(), diag::ext_out_of_line_declaration) + << D.getCXXScopeSpec().getRange(); + } + if (!Redeclaration && !(isFriend && CurContext->isDependentContext())) { + // The user tried to provide an out-of-line definition for a + // function that is a member of a class or namespace, but there + // was no such member function declared (C++ [class.mfct]p2, + // C++ [namespace.memdef]p2). For example: + // + // class X { + // void f() const; + // }; + // + // void X::f() { } // ill-formed + // + // Complain about this problem, and attempt to suggest close + // matches (e.g., those that differ only in cv-qualifiers and + // whether the parameter types are references). + Diag(D.getIdentifierLoc(), diag::err_member_def_does_not_match) + << Name << DC << D.getCXXScopeSpec().getRange(); + NewFD->setInvalidDecl(); + + LookupResult Prev(*this, Name, D.getIdentifierLoc(), LookupOrdinaryName, + ForRedeclaration); + LookupQualifiedName(Prev, DC); + assert(!Prev.isAmbiguous() && + "Cannot have an ambiguity in previous-declaration lookup"); + for (LookupResult::iterator Func = Prev.begin(), FuncEnd = Prev.end(); + Func != FuncEnd; ++Func) { + if (isa<FunctionDecl>(*Func) && + isNearlyMatchingFunction(Context, cast<FunctionDecl>(*Func), NewFD)) + Diag((*Func)->getLocation(), diag::note_member_def_close_match); + } + } + } else if (!isFriend) { + // The user provided a superfluous scope specifier inside a class definition: // // class X { - // void f() const; + // void X::f(); // }; - // - // void X::f() { } // ill-formed - // - // Complain about this problem, and attempt to suggest close - // matches (e.g., those that differ only in cv-qualifiers and - // whether the parameter types are references). - Diag(D.getIdentifierLoc(), diag::err_member_def_does_not_match) - << Name << DC << D.getCXXScopeSpec().getRange(); - NewFD->setInvalidDecl(); - - LookupResult Prev(*this, Name, D.getIdentifierLoc(), LookupOrdinaryName, - ForRedeclaration); - LookupQualifiedName(Prev, DC); - assert(!Prev.isAmbiguous() && - "Cannot have an ambiguity in previous-declaration lookup"); - for (LookupResult::iterator Func = Prev.begin(), FuncEnd = Prev.end(); - Func != FuncEnd; ++Func) { - if (isa<FunctionDecl>(*Func) && - isNearlyMatchingFunction(Context, cast<FunctionDecl>(*Func), NewFD)) - Diag((*Func)->getLocation(), diag::note_member_def_close_match); - } + Diag(NewFD->getLocation(), diag::warn_member_extra_qualification) + << Name << FixItHint::CreateRemoval(D.getCXXScopeSpec().getRange()); } } |