src/objects/arguments.tq

// Copyright 2019 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

@generateCppClass
extern class JSArgumentsObject extends JSObject {
}

type JSArgumentsObjectWithLength =
    JSSloppyArgumentsObject|JSStrictArgumentsObject;

@export
macro IsJSArgumentsObjectWithLength(implicit context: Context)(o: Object):
    bool {
  return Is<JSArgumentsObjectWithLength>(o);
}

// Just a starting shape for JSObject; properties can move after initialization.
extern shape JSSloppyArgumentsObject extends JSArgumentsObject {
  length: JSAny;
  callee: JSAny;
}

// Just a starting shape for JSObject; properties can move after initialization.
extern shape JSStrictArgumentsObject extends JSArgumentsObject {
  length: JSAny;
}

type SloppyArgumentsElements extends FixedArray;

@generateCppClass
extern class AliasedArgumentsEntry extends Struct {
  aliased_context_slot: Smi;
}