/// <summary>
/// Finds a best matched constructor and uses it to create a native object instance
/// </summary>
/// <param name="visitor">Execution visitor</param>
/// <param name="parameters">Parameters for a constructor</param>
/// <returns>A newly created native object</returns>
object CreateInstance(Jint.Expressions.IJintVisitor visitor, JsInstance[] parameters)
{
ConstructorImpl impl = m_overloads.ResolveOverload(parameters, null);
if (impl == null)
{
throw new JintException(
String.Format("No matching overload found {0}({1})",
reflectedType.FullName,
String.Join(",", Array.ConvertAll <JsInstance, string>(parameters, p => p.ToString()))
)
);
}
return(impl(visitor.Global, parameters));
}
/// <summary>
/// Peforms a construction of a CLR instance inside the specified
/// </summary>
/// <param name="visitor"></param>
/// <param name="that"></param>
/// <param name="parameters"></param>
/// <returns></returns>
public override JsInstance Execute(Jint.Expressions.IJintVisitor visitor, JsDictionaryObject that, JsInstance[] parameters)
{
if (that == null || that == JsUndefined.Instance || that == JsNull.Instance || (that as IGlobal) == visitor.Global)
{
throw new JintException("A constructor '" + reflectedType.FullName + "' should be applied to the object");
}
if (that.Value != null)
{
throw new JintException("Can't apply the constructor '" + reflectedType.FullName + "' to already initialized '" + that.Value.ToString() + "'");
}
that.Value = CreateInstance(visitor, parameters);
SetupNativeProperties(that);
((JsObject)that).Indexer = m_indexer;
return(that);
}
/// <summary>
/// Creates a new native object and wraps it with a JsObject.
/// </summary>
/// <remarks>
/// This method is overriden to delegate a container creation to the <see cref="Wrap"/> method.
/// </remarks>
/// <param name="parameters">a constructor arguments</param>
/// <param name="genericArgs">Ignored since this class represents a non-generic types</param>
/// <param name="visitor">Execution visitor</param>
/// <returns>A newly created js object</returns>
public override JsObject Construct(JsInstance[] parameters, Type[] genericArgs, Jint.Expressions.IJintVisitor visitor)
{
return((JsObject)Wrap(CreateInstance(visitor, parameters)));
}
