Example

gistfile1.cs

       public static void CleanupSemanticCache()
        {
            var ls = v8Engine.GlobalObject.GetProperty("languageService");
            var resultHandle = ls.Call("cleanupSemanticCache", null);
        }

        public static Diagnostic[] GetSyntacticDiagnostics(string fileName)
        {
            Handle fileNameHandle = v8Engine.CreateValue(fileName);
            var ls = v8Engine.GlobalObject.GetProperty("languageService");
            var resultHandle = ls.Call("getSyntacticDiagnostics", null, fileNameHandle);
            Diagnostic[] diagnostics = TypeMapper<Diagnostic[]>(resultHandle);
            return diagnostics;
        }

        public static Diagnostic[] GetSemanticDiagnostics(string fileName)
        {
            Handle fileNameHandle = v8Engine.CreateValue(fileName);
            var ls = v8Engine.GlobalObject.GetProperty("languageService");
            var resultHandle = ls.Call("getSemanticDiagnostics", null, fileNameHandle);
            Diagnostic[] diagnostics =  TypeMapper<Diagnostic[]>(resultHandle);
            return diagnostics;
        }

        public static Diagnostic[] GetCompilerOptionsDiagnostics()
        {
            var ls = v8Engine.GlobalObject.GetProperty("languageService");
            var resultHandle = ls.Call("getCompilerOptionsDiagnostics", null);
            Diagnostic[] diagnostics =  TypeMapper<Diagnostic[]>(resultHandle);
            return diagnostics;
        }