/// <summary>
/// Static helper method to get a built-in object prototype with the given
/// <code>type</code> from the given <code>scope</code>.
/// </summary>
/// <remarks>
/// Static helper method to get a built-in object prototype with the given
/// <code>type</code> from the given <code>scope</code>. If the scope is not
/// an instance of this class or does have a cache of built-ins,
/// the prototype is looked up via normal property lookup.
/// </remarks>
/// <param name="scope">the top-level scope</param>
/// <param name="type">the built-in type</param>
/// <returns>the built-in prototype</returns>
public static Scriptable GetBuiltinPrototype(Scriptable scope, TopLevel.Builtins type)
{
// must be called with top level scope
System.Diagnostics.Debug.Assert(scope.GetParentScope() == null);
if (scope is TopLevel)
{
Scriptable result = ((TopLevel)scope).GetBuiltinPrototype(type);
if (result != null)
{
return result;
}
}
// fall back to normal prototype lookup
return ScriptableObject.GetClassPrototype(scope, type.ToString());
}
/// <summary>
/// Static helper method to get a built-in object constructor with the given
/// <code>type</code> from the given <code>scope</code>.
/// </summary>
/// <remarks>
/// Static helper method to get a built-in object constructor with the given
/// <code>type</code> from the given <code>scope</code>. If the scope is not
/// an instance of this class or does have a cache of built-ins,
/// the constructor is looked up via normal property lookup.
/// </remarks>
/// <param name="cx">the current Context</param>
/// <param name="scope">the top-level scope</param>
/// <param name="type">the built-in type</param>
/// <returns>the built-in constructor</returns>
public static Function GetBuiltinCtor(Context cx, Scriptable scope, TopLevel.Builtins type)
{
// must be called with top level scope
System.Diagnostics.Debug.Assert(scope.GetParentScope() == null);
if (scope is TopLevel)
{
Function result = ((TopLevel)scope).GetBuiltinCtor(type);
if (result != null)
{
return result;
}
}
// fall back to normal constructor lookup
return ScriptRuntime.GetExistingCtor(cx, scope, type.ToString());
}