// Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file

part of models;

abstract class VMRef {
  String get name;
}

abstract class VM implements VMRef {
  /// Word length on target architecture (e.g. 32, 64).
  int get architectureBits;

  /// The CPU we are generating code for.
  String get targetCPU;

  /// The CPU we are actually running on.
  String get hostCPU;

  /// The Dart VM version string.
  String get version;

  /// The process id for the VM.
  int get pid;

  /// The time that the VM started in milliseconds since the epoch.
  ///
  /// Suitable to pass to DateTime.fromMillisecondsSinceEpoch.
  DateTime get startTime;

  // A list of isolates running in the VM.
  Iterable<IsolateRef> get isolates;
}