public static EcmaValue DefineProperty(EcmaValue target, EcmaValue property, EcmaValue attributes)
{
Guard.ArgumentIsObject(target);
RuntimeObject obj = target.ToObject();
obj.DefinePropertyOrThrow(EcmaPropertyKey.FromValue(property), EcmaPropertyDescriptor.FromValue(attributes));
return(target);
}
public static EcmaValue DefineProperties(EcmaValue target, EcmaValue properties)
{
Guard.ArgumentIsObject(target);
RuntimeObject dst = target.ToObject();
foreach (EcmaPropertyEntry e in properties.ToObject().GetEnumerableOwnProperties(true))
{
dst.DefinePropertyOrThrow(e.Key, EcmaPropertyDescriptor.FromValue(e.Value));
}
return(target);
}
protected void DefineProperties(RuntimeObject target, IEnumerable <IPropertyDefinition> properties)
{
Guard.ArgumentNotNull(target, "target");
Guard.ArgumentNotNull(properties, "properties");
Dictionary <EcmaPropertyKey, EcmaPropertyDescriptor> dictionary = new Dictionary <EcmaPropertyKey, EcmaPropertyDescriptor>();
foreach (IPropertyDefinition e in properties)
{
switch (e.Type)
{
case PropertyDefinitionType.Method:
dictionary[e.PropertyName] = new EcmaPropertyDescriptor(e.Value.GetUnderlyingObject <RuntimeFunction>().AsHomedMethodOf(target), EcmaPropertyAttributes.DefaultDataProperty);
break;
case PropertyDefinitionType.Getter:
if (!dictionary.ContainsKey(e.PropertyName))
{
dictionary[e.PropertyName] = new EcmaPropertyDescriptor(EcmaPropertyAttributes.Enumerable | EcmaPropertyAttributes.Configurable);
}
dictionary[e.PropertyName].Get = EnsureHomedMethod(e.Value, target, 0, InternalString.Error.GetterMustBeFunction, InternalString.Error.GetterMustHaveNoParam);
break;
case PropertyDefinitionType.Setter:
if (!dictionary.ContainsKey(e.PropertyName))
{
dictionary[e.PropertyName] = new EcmaPropertyDescriptor(EcmaPropertyAttributes.Enumerable | EcmaPropertyAttributes.Configurable);
}
dictionary[e.PropertyName].Set = EnsureHomedMethod(e.Value, target, 1, InternalString.Error.SetterMustBeFunction, InternalString.Error.SetterMustHaveOneParam);
break;
case PropertyDefinitionType.Spread:
foreach (EcmaPropertyKey key in e.Value)
{
dictionary[key] = new EcmaPropertyDescriptor(e.Value[key], EcmaPropertyAttributes.DefaultDataProperty);
}
break;
default:
dictionary[e.PropertyName] = new EcmaPropertyDescriptor(e.Value, EcmaPropertyAttributes.DefaultDataProperty);
break;
}
}
foreach (KeyValuePair <EcmaPropertyKey, EcmaPropertyDescriptor> e in dictionary)
{
target.DefinePropertyOrThrow(e.Key, e.Value);
}
}