public static void SetBuiltinProtoAndParent(ScriptableObject @object, Scriptable scope, TopLevel.Builtins type)
{
scope = ScriptableObject.GetTopLevelScope(scope);
@object.SetParentScope(scope);
@object.SetPrototype(TopLevel.GetBuiltinPrototype(scope, type));
}
public static Scriptable NewBuiltinObject(Context cx, Scriptable scope, TopLevel.Builtins type, object[] args)
{
scope = ScriptableObject.GetTopLevelScope(scope);
Function ctor = TopLevel.GetBuiltinCtor(cx, scope, type);
if (args == null)
{
args = ScriptRuntime.emptyArgs;
}
return ctor.Construct(cx, scope, args);
}
/// <summary>
/// Get the cached built-in object prototype from this scope with the
/// given <code>type</code>.
/// </summary>
/// <remarks>
/// Get the cached built-in object prototype from this scope with the
/// given <code>type</code>. Returns null if
/// <see cref="CacheBuiltins()">CacheBuiltins()</see>
/// has not
/// been called on this object.
/// </remarks>
/// <param name="type">the built-in type</param>
/// <returns>the built-in prototype</returns>
public virtual Scriptable GetBuiltinPrototype(TopLevel.Builtins type)
{
BaseFunction func = GetBuiltinCtor(type);
object proto = func != null ? func.GetPrototypeProperty() : null;
return proto is Scriptable ? (Scriptable)proto : null;
}
/// <summary>
/// Get the cached built-in object constructor from this scope with the
/// given <code>type</code>.
/// </summary>
/// <remarks>
/// Get the cached built-in object constructor from this scope with the
/// given <code>type</code>. Returns null if
/// <see cref="CacheBuiltins()">CacheBuiltins()</see>
/// has not
/// been called on this object.
/// </remarks>
/// <param name="type">the built-in type</param>
/// <returns>the built-in constructor</returns>
public virtual BaseFunction GetBuiltinCtor(TopLevel.Builtins type)
{
return ctors != null ? ctors.Get(type) : null;
}
/// <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());
}
