public MethodGroup(MethodProxy[] methods)
{
this.methods = methods;
if (methods == null)
throw new ArgumentNullException();
var len = 0;
for (var i = 0; i < methods.Length; i++)
len = System.Math.Max(len, methods[i].parameters.Length);
_length = new BaseLibrary.Number(len) { attributes = JSObjectAttributesInternal.ReadOnly | JSObjectAttributesInternal.DoNotDelete | JSObjectAttributesInternal.DoNotEnum };
passCount = 2;
// На втором проходе будет выбираться первый метод,
// для которого получится сгенерировать параметры по-умолчанию.
// Если нужен более строгий подбор, то количество проходов нужно
// уменьшить до одного
}
public Element(NativeList owner, int index)
{
this.owner = owner;
this.index = index;
attributes |= JSObjectAttributesInternal.Reassign;
var value = owner.data[index];
valueType = JSObjectType.Undefined;
if (value is JSObject)
base.Assign(value as JSObject);
else if (value is sbyte)
{
iValue = (int)(sbyte)value;
valueType = JSObjectType.Int;
}
else if (value is byte)
{
iValue = (int)(byte)value;
valueType = JSObjectType.Int;
}
else if (value is short)
{
iValue = (int)(short)value;
valueType = JSObjectType.Int;
}
else if (value is ushort)
{
iValue = (int)(ushort)value;
valueType = JSObjectType.Int;
}
else if (value is int)
{
iValue = (int)value;
valueType = JSObjectType.Int;
}
else if (value is uint)
{
dValue = (long)(uint)value;
valueType = JSObjectType.Double;
}
else if (value is long)
{
dValue = (long)value;
valueType = JSObjectType.Double;
}
else if (value is ulong)
{
dValue = (double)(ulong)value;
valueType = JSObjectType.Double;
}
else if (value is float)
{
dValue = (double)(float)value;
valueType = JSObjectType.Double;
}
else if (value is double)
{
dValue = (double)value;
valueType = JSObjectType.Double;
}
else if (value is string)
{
oValue = value.ToString();
valueType = JSObjectType.String;
}
else if (value is char)
{
oValue = value.ToString();
valueType = JSObjectType.String;
}
else if (value is bool)
{
iValue = (bool)value ? 1 : 0;
valueType = JSObjectType.Bool;
}
else if (value is Delegate)
{
#if PORTABLE
oValue = new MethodProxy(((Delegate)value).GetMethodInfo(), ((Delegate)value).Target);
#else
oValue = new MethodProxy(((Delegate)value).Method, ((Delegate)value).Target);
#endif
valueType = JSObjectType.Function;
}
else if (value is IList)
{
oValue = new NativeList(value as IList);
valueType = JSObjectType.Object;
}
else
{
var type = value.GetType();
__proto__ = TypeProxy.GetPrototype(type);
attributes |= __proto__.attributes & JSObjectAttributesInternal.Immutable;
}
}
internal protected override JSObject GetMember(JSObject nameObj, bool create, bool own)
{
string name = nameObj.ToString();
JSObject r = null;
if (fields.TryGetValue(name, out r))
{
if (r.valueType < JSObjectType.Undefined)
{
if (!create)
{
var t = DefaultFieldGetter(nameObj, false, own);
if (t.IsExist)
r.Assign(t);
}
}
if (create
&& ((attributes & JSObjectAttributesInternal.Immutable) == 0)
&& (r.attributes & (JSObjectAttributesInternal.SystemObject | JSObjectAttributesInternal.ReadOnly)) == JSObjectAttributesInternal.SystemObject)
fields[name] = r = r.CloneImpl();
return r;
}
if (members == null)
fillMembers();
IList<MemberInfo> m = null;
members.TryGetValue(name, out m);
if (m == null || m.Count == 0)
{
var pi = prototypeInstance as JSObject;
if (pi != null)
return pi.GetMember(nameObj, create, own);
else
return DefaultFieldGetter(nameObj, create, own);
}
if (m.Count > 1)
{
for (int i = 0; i < m.Count; i++)
if (!(m[i] is MethodBase))
throw new JSException(Proxy(new TypeError("Incompatible fields type.")));
var cache = new MethodProxy[m.Count];
for (int i = 0; i < m.Count; i++)
cache[i] = new MethodProxy(m[i] as MethodBase);
r = new MethodGroup(cache);
}
else
{
#if PORTABLE
switch (m[0].get_MemberType())
#else
switch (m[0].MemberType)
#endif
{
case MemberTypes.Constructor:
throw new InvalidOperationException("Constructor can not be called directly");
case MemberTypes.Method:
{
var method = (MethodInfo)m[0];
r = new MethodProxy(method);
r.attributes &= ~(JSObjectAttributesInternal.ReadOnly | JSObjectAttributesInternal.DoNotDelete | JSObjectAttributesInternal.NotConfigurable | JSObjectAttributesInternal.DoNotEnum);
break;
}
case MemberTypes.Field:
{
var field = (m[0] as FieldInfo);
if ((field.Attributes & (FieldAttributes.Literal | FieldAttributes.InitOnly)) != 0
&& (field.Attributes & FieldAttributes.Static) != 0)
{
r = Proxy(field.GetValue(null));
r.attributes |= JSObjectAttributesInternal.ReadOnly;
}
else
{
r = new JSObject()
{
valueType = JSObjectType.Property,
oValue = new PropertyPair
(
new ExternalFunction((thisBind, a) =>
{
return Proxy(field.GetValue(field.IsStatic ? null : thisBind.Value));
}),
!m[0].IsDefined(typeof(Modules.ReadOnlyAttribute), false) ? new ExternalFunction((thisBind, a) =>
{
field.SetValue(field.IsStatic ? null : thisBind.Value, a[0].Value);
return null;
}) : null
)
};
r.attributes = JSObjectAttributesInternal.Immutable | JSObjectAttributesInternal.Field;
if ((r.oValue as PropertyPair).set == null)
r.attributes |= JSObjectAttributesInternal.ReadOnly;
}
break;
}
case MemberTypes.Property:
{
var pinfo = (PropertyInfo)m[0];
r = new JSObject()
{
valueType = JSObjectType.Property,
oValue = new PropertyPair
(
#if PORTABLE
pinfo.CanRead && pinfo.GetMethod != null ? new MethodProxy(pinfo.GetMethod) : null,
pinfo.CanWrite && pinfo.SetMethod != null && !pinfo.IsDefined(typeof(ReadOnlyAttribute), false) ? new MethodProxy(pinfo.SetMethod) : null
#else
pinfo.CanRead && pinfo.GetGetMethod(false) != null ? new MethodProxy(pinfo.GetGetMethod(false)) : null,
pinfo.CanWrite && pinfo.GetSetMethod(false) != null && !pinfo.IsDefined(typeof(ReadOnlyAttribute), false) ? new MethodProxy(pinfo.GetSetMethod(false)) : null
#endif
)
};
r.attributes = JSObjectAttributesInternal.Immutable;
if ((r.oValue as PropertyPair).set == null)
r.attributes |= JSObjectAttributesInternal.ReadOnly;
if (pinfo.IsDefined(typeof(FieldAttribute), false))
r.attributes |= JSObjectAttributesInternal.Field;
break;
}
case MemberTypes.Event:
{
var pinfo = (EventInfo)m[0];
r = new JSObject()
{
valueType = JSObjectType.Property,
oValue = new PropertyPair
(
null,
#if PORTABLE
new MethodProxy(pinfo.AddMethod)
#else
new MethodProxy(pinfo.GetAddMethod())
#endif
)
};
break;
}
case MemberTypes.TypeInfo:
#if PORTABLE
{
r = GetConstructor((m[0] as TypeInfo).AsType());
break;
}
#else
case MemberTypes.NestedType:
{
r = GetConstructor((Type)m[0]);
break;
}
default:
throw new NotImplementedException("Convertion from " + m[0].MemberType + " not implemented");
#endif
}
}
if (m[0].IsDefined(typeof(DoNotEnumerateAttribute), false))
r.attributes |= JSObjectAttributesInternal.DoNotEnum;
lock (fields)
fields[name] = create && (r.attributes & (JSObjectAttributesInternal.ReadOnly | JSObjectAttributesInternal.SystemObject)) == JSObjectAttributesInternal.SystemObject ? (r = r.CloneImpl()) : r;
for (var i = m.Count; i-- > 0; )
{
if (!m[i].IsDefined(typeof(DoNotEnumerateAttribute), false))
{
r.attributes &= ~JSObjectAttributesInternal.DoNotEnum;
break;
}
if (m[i].IsDefined(typeof(ReadOnlyAttribute), false))
r.attributes |= JSObjectAttributesInternal.ReadOnly;
if (m[i].IsDefined(typeof(NotConfigurable), false))
r.attributes |= JSObjectAttributesInternal.NotConfigurable;
if (m[i].IsDefined(typeof(DoNotDeleteAttribute), false))
r.attributes |= JSObjectAttributesInternal.DoNotDelete;
}
return r;
}