Exemplo n.º 1
0
        public ObjectInstance Construct(JsValue[] arguments)
        {
            var argsValues = arguments.Select(x => x.ToObject()).ToArray();
            var argTypes   = argsValues.Select(x => x?.GetType()).ToArray();

            if (argTypes.All(x => x != null))
            {
                //todo: why we here do not onvert args?
                var exactCtor = _type.GetConstructor(argTypes);
                if (exactCtor != null)
                {
                    var     obj = exactCtor.Invoke(argsValues);
                    JsValue val;
                    if (_converter.TryConvert(obj, out val))
                    {
                        return(val.AsObject() as ClrObject);
                    }
                }
            }

            foreach (var ctor in _type.GetConstructors())
            {
                var ctorParameters = ctor.GetParameters();

                if (ctorParameters.Length == argTypes.Length)
                {
                    var notMatch = false;
                    for (var i = 0; i < ctorParameters.Length && !notMatch; i++)
                    {
                        if (!DomConverter.Convertible(argTypes[i], ctorParameters[i].ParameterType))
                        {
                            notMatch = true;
                        }
                    }

                    if (!notMatch)
                    {
                        var args = ConvertArgs(argsValues, ctorParameters.Select(x => x.ParameterType))
                                   .ToArray();

                        var obj = ctor.Invoke(args);
                        return(new ClrObject(Engine, obj, _converter.GetPrototype(obj.GetType()), _converter));
                    }
                }
            }

            throw new Exception("Unable to find proper constructor for the type: " + _type.Name);
        }
Exemplo n.º 2
0
        public void AddGlobalType(string jsTypeName, object owner, MethodInfo ctorMethod)
        {
            var type   = ctorMethod.ReturnType;
            var jsCtor = new ClrFuncCtor(type, _engine, args =>
            {
                //todo: create executor from methodInfo
                var clrArgs = ctorMethod.GetParameters().Select((parameterInfo, i) => i < args.Length &&
                                                                args[i].CanConvert(parameterInfo.ParameterType)
                                ? _typeConverter.ConvertToObject(args[i], parameterInfo.ParameterType)
                                : parameterInfo.HasDefaultValue
                                        ? parameterInfo.DefaultValue
                                        : parameterInfo.ParameterType.IsValueType ? Activator.CreateInstance(parameterInfo.ParameterType)
                                                : null).ToArray();

                var obj = ctorMethod.Invoke(owner, clrArgs);
                _typeConverter.TryConvert(obj, out var res);
                return(res.AsObject());
            }, _typeConverter.GetPrototype(type));

            _engine.Global.FastAddProperty(jsTypeName, jsCtor, false, false, false);
        }