コード例 #1
0
        static void AnalyzeParameterList(SyntaxNodeAnalysisContext nodeContext)
        {
            var node = nodeContext.Node as TypeParameterListSyntax;

            var member = node.Parent;
            if (member == null)
                return;

            var memberSymbol = nodeContext.SemanticModel.GetDeclaredSymbol(member);
            if (memberSymbol.IsAbstract || memberSymbol.IsVirtual || memberSymbol.IsOverride)
                return;
            if (memberSymbol.ExplicitInterfaceImplementations().Length > 0)
                return;
            
            var walker = new ReferenceFinder(nodeContext);
            walker.Visit(member);

            foreach (var param in node.Parameters)
            {
                var sym = nodeContext.SemanticModel.GetDeclaredSymbol(param);
                if (sym == null)
                    continue;
                if (!walker.UsedTypeParameters.Contains(sym)) {
                    var diagnostic = Diagnostic.Create(descriptor, param.Identifier.GetLocation(), sym.Name);
                    nodeContext.ReportDiagnostic(diagnostic);
                }

            }
        }
        static void AnalyzeParameterList(SyntaxNodeAnalysisContext nodeContext)
        {
            if (nodeContext.IsFromGeneratedCode())
            {
                return;
            }
            var node = nodeContext.Node as TypeParameterListSyntax;

            var member = node.Parent;

            if (member == null)
            {
                return;
            }

            var memberSymbol = nodeContext.SemanticModel.GetDeclaredSymbol(member);

            if (memberSymbol.IsAbstract || memberSymbol.IsVirtual || memberSymbol.IsOverride)
            {
                return;
            }
            if (memberSymbol.ExplicitInterfaceImplementations().Length > 0)
            {
                return;
            }

            var walker = new ReferenceFinder(nodeContext);

            walker.Visit(member);

            foreach (var param in node.Parameters)
            {
                var sym = nodeContext.SemanticModel.GetDeclaredSymbol(param);
                if (sym == null)
                {
                    continue;
                }
                if (!walker.UsedTypeParameters.Contains(sym))
                {
                    var diagnostic = Diagnostic.Create(descriptor, param.Identifier.GetLocation(), sym.Name);
                    nodeContext.ReportDiagnostic(diagnostic);
                }
            }
        }