public object Set(Context cx, object value)
{
switch (type)
{
case Types.None:
return(ScriptRuntime.setObjectProp(target, name, value, cx));
case Types.Proto:
case Types.Parent: {
IScriptable obj = ScriptConvert.ToObjectOrNull(cx, value);
if (obj != null)
{
// Check that obj does not contain on its prototype/scope
// chain to prevent cycles
IScriptable search = obj;
do
{
if (search == target)
{
throw Context.ReportRuntimeErrorById("msg.cyclic.value", name);
}
if (type == Types.Proto)
{
search = search.GetPrototype();
}
else
{
search = search.ParentScope;
}
}while (search != null);
}
if (type == Types.Proto)
{
target.SetPrototype(obj);
}
else
{
target.ParentScope = obj;
}
return(obj);
}
default:
throw Context.CodeBug();
}
}
public virtual IScriptable Construct(Context cx, IScriptable scope, object [] args)
{
IScriptable result = CreateObject(cx, scope);
if (result != null)
{
object val = Call(cx, scope, result, args);
if (val is IScriptable)
{
result = (IScriptable)val;
}
}
else
{
object val = Call(cx, scope, null, args);
if (!(val is IScriptable))
{
// It is program error not to return Scriptable from
// the call method if createObject returns null.
throw new Exception("Bad implementaion of call as constructor, name=" + FunctionName + " in " + GetType().FullName);
}
result = (IScriptable)val;
if (result.GetPrototype() == null)
{
result.SetPrototype(GetClassPrototype());
}
if (result.ParentScope == null)
{
IScriptable parent = ParentScope;
if (result != parent)
{
result.ParentScope = parent;
}
}
}
return(result);
}
public virtual void SetPrototype(IScriptable prototype)
{
obj.SetPrototype(prototype);
}
