pkgs/dart_mcp_server/lib/src/arg_parser.dart

// Copyright (c) 2025, 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.

import 'package:args/args.dart';

final argParser =
    ArgParser(allowTrailingOptions: false)
      ..addOption(
        dartSdkOption,
        help:
            'The path to the root of the desired Dart SDK. Defaults to the '
            'DART_SDK environment variable.',
      )
      ..addOption(
        flutterSdkOption,
        help:
            'The path to the root of the desired Flutter SDK. Defaults to '
            'the FLUTTER_SDK environment variable, then searching up from '
            'the Dart SDK.',
      )
      ..addFlag(
        forceRootsFallbackFlag,
        negatable: true,
        defaultsTo: false,
        help:
            'Forces a behavior for project roots which uses MCP tools '
            'instead of the native MCP roots. This can be helpful for '
            'clients like cursor which claim to have roots support but do '
            'not actually support it.',
      )
      ..addOption(
        logFileOption,
        help:
            'Path to a file to log all MPC protocol traffic to. File will be '
            'overwritten if it exists.',
      )
      ..addFlag(helpFlag, abbr: 'h', help: 'Show usage text');

const dartSdkOption = 'dart-sdk';
const flutterSdkOption = 'flutter-sdk';
const forceRootsFallbackFlag = 'force-roots-fallback';
const helpFlag = 'help';
const logFileOption = 'log-file';