src/objects/property-cell.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.

// TODOC: Document what this class is used for.
extern class PropertyCell extends HeapObject {
  name: AnyName;
  property_details_raw: Smi;
  value: Object;
  dependent_code: DependentCode;
}

// Used for keeping track of whether a top-level variable declared with
// `let` stays constant and what optimized code depends on it.
extern class ConstTrackingLetCell extends HeapObject {
  dependent_code: DependentCode;
}

const kConstTrackingLetCellConstMarker: Smi = SmiTag(1);
const kConstTrackingLetCellNonConstMarker: Smi = SmiTag(0);