packages/flutter_tools/lib/src/dart/sdk.dart

// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import 'dart:io';

/// Locate the Dart SDK by finding the Dart VM and going up two directories.
String get dartSdkPath => new File(Platform.executable).parent.parent.path;