示例#1
0
        public static IEnumerable<MethodBase> FindBestMatch(Engine engine, MethodBase[] methods, JsValue[] arguments)
        {
            methods = methods
                .Where(m => m.GetParameters().Count() == arguments.Length ||
                (m.IsGenericMethodDefinition && m.GetGenericArguments().Count() == arguments.Length))
                .ToArray();

            if (methods.Length == 1 && !methods[0].GetParameters().Any())
            {
                yield return methods[0];
                yield break;
            }

            var objectArguments = arguments.Select(x => x.ToObject()).ToArray();
            foreach (var method in methods)
            {
                var perfectMatch = true;
                var parameters = method.GetParameters();
                for (var i = 0; i < arguments.Length; i++)
                {
                    var arg = objectArguments[i];
                    var paramType = parameters[i].ParameterType;

                    if (arg == null)
                    {
                        if (!TypeIsNullable(paramType))
                        {
                            perfectMatch = false;
                            break;
                        }
                    }
                    else if (arg.GetType() != paramType)
                    {
                        perfectMatch = false;
                        break;
                    }
                }

                if (perfectMatch)
                {
                    yield return method;
                    yield break;
                }
            }

            foreach (var method in methods)
            {
                yield return method;
            }
        }
示例#2
0
        public static IEnumerable<MethodBase> FindBestMatch(Engine engine, MethodBase[] methods, JsValue[] arguments)
        {
            methods = methods
                .Where(m => m.GetParameters().Count() == arguments.Length)
                .ToArray()
                ;

            if (methods.Length == 1 && !methods[0].GetParameters().Any())
            {
                yield return methods[0];
                yield break;
            }

            var objectArguments = arguments.Select(x => x.ToObject()).ToArray();
            foreach (var method in methods)
            {
                var perfectMatch = true;
                var parameters = method.GetParameters();
                for (var i = 0; i < arguments.Length; i++)
                {
                    if (objectArguments[i].GetType() != parameters[i].ParameterType)
                    {
                        perfectMatch = false;
                        break;
                    }
                }

                if (perfectMatch)
                {
                    yield return method;
                    yield break;
                }
            }

            var candidates = new List<MethodBase>();
            foreach (var method in methods)
            {
                var parameters = new object[arguments.Length];
                try
                {
                    for (var i = 0; i < arguments.Length; i++)
                    {
                        parameters[i] = engine.Options.GetTypeConverter().Convert(
                            arguments[i].ToObject(),
                            method.GetParameters()[i].ParameterType,
                            CultureInfo.InvariantCulture);
                    }
                }
                catch
                {
                    // ignore method
                }

                candidates.Add(method);
            }

            foreach (var candidate in candidates)
                yield return candidate;
        }