Server clean-up

pkg/analysis_server/lib/driver.dart

Index: pkg/analysis_server/lib/driver.dart
diff --git a/pkg/analysis_server/lib/driver.dart b/pkg/analysis_server/lib/driver.dart
deleted file mode 100644
index 9018541abb828b538d3754162a5a4ba4aeea942b..0000000000000000000000000000000000000000
--- a/pkg/analysis_server/lib/driver.dart
+++ /dev/null
@@ -1,321 +0,0 @@
-// Copyright (c) 2014, 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.
-
-library driver;
-
-import 'dart:async';
-import 'dart:io';
-
-import 'package:analysis_server/http_server.dart';
-import 'package:analysis_server/plugin/plugin.dart';
-import 'package:analysis_server/src/analysis_server.dart';
-import 'package:analysis_server/src/plugin/plugin_impl.dart';
-import 'package:analysis_server/src/plugin/server_plugin.dart';
-import 'package:analysis_server/src/socket_server.dart';
-import 'package:analysis_server/stdio_server.dart';
-import 'package:analyzer/instrumentation/instrumentation.dart';
-import 'package:analyzer/src/generated/engine.dart';
-import 'package:analyzer/src/generated/incremental_logger.dart';
-import 'package:analyzer/src/generated/java_io.dart';
-import 'package:analyzer/src/generated/sdk.dart';
-import 'package:analyzer/src/generated/sdk_io.dart';
-import 'package:args/args.dart';
-
-
-/**
- * Initializes incremental logger.
- *
- * Supports following formats of [spec]:
- *
- *     "console" - log to the console;
- *     "file:/some/file/name" - log to the file, overwritten on start.
- */
-void _initIncrementalLogger(String spec) {
-  logger = NULL_LOGGER;
-  if (spec == null) {
-    return;
-  }
-  // create logger
-  if (spec == 'console') {
-    logger = new StringSinkLogger(console.log);
-  }
-  if (spec.startsWith('file:')) {
-    String fileName = spec.substring('file:'.length);
-    File file = new File(fileName);
-    IOSink sink = file.openWrite();
-    logger = new StringSinkLogger(sink);
-  }
-}
-
-
-/**
- * The [Driver] class represents a single running instance of the analysis
- * server application.  It is responsible for parsing command line options
- * and starting the HTTP and/or stdio servers.
- */
-class Driver {
-  /**
-   * The name of the application that is used to start a server.
-   */
-  static const BINARY_NAME = "server";
-
-  /**
-   * The name of the option used to set the identifier for the client.
-   */
-  static const String CLIENT_ID = "client-id";
-
-  /**
-   * The name of the option used to enable incremental resolution of API
-   * changes.
-   */
-  static const String ENABLE_INCREMENTAL_RESOLUTION_API =
-      "enable-incremental-resolution-api";
-
-  /**
-   * The name of the option used to describe the incremental resolution logger.
-   */
-  static const String INCREMENTAL_RESOLUTION_LOG = "incremental-resolution-log";
-
-  /**
-   * The name of the option used to enable validation of incremental resolution
-   * results.
-   */
-  static const String INCREMENTAL_RESOLUTION_VALIDATION =
-      "incremental-resolution-validation";
-
-  /**
-   * The name of the option used to enable instrumentation.
-   */
-  static const String ENABLE_INSTRUMENTATION_OPTION = "enable-instrumentation";
-
-  /**
-   * The name of the option used to print usage information.
-   */
-  static const String HELP_OPTION = "help";
-
-  /**
-   * The name of the option used to specify if [print] should print to the
-   * console instead of being intercepted.
-   */
-  static const String INTERNAL_PRINT_TO_CONSOLE = "internal-print-to-console";
-
-  /**
-   * The name of the option used to specify the port to which the server will
-   * connect.
-   */
-  static const String PORT_OPTION = "port";
-
-  /**
-   * The path to the SDK.
-   * TODO(paulberry): get rid of this once the 'analysis.updateSdks' request is
-   * operational.
-   */
-  static const String SDK_OPTION = "sdk";
-
-  /**
-   * The name of the option used to disable error notifications.
-   */
-  static const String NO_ERROR_NOTIFICATION = "no-error-notification";
-
-  /**
-   * The instrumentation server that is to be used by the analysis server.
-   */
-  InstrumentationServer instrumentationServer;
-
-  /**
-   * The plugins that are defined outside the analysis_server package.
-   */
-  List<Plugin> _userDefinedPlugins = <Plugin>[];
-
-  SocketServer socketServer;
-
-  HttpAnalysisServer httpServer;
-
-  StdioAnalysisServer stdioServer;
-
-  Driver();
-
-  /**
-   * Set the [plugins] that are defined outside the analysis_server package.
-   */
-  void set userDefinedPlugins(List<Plugin> plugins) {
-    _userDefinedPlugins = plugins == null ? <Plugin>[] : plugins;
-  }
-
-  /**
-   * Use the given command-line arguments to start this server.
-   */
-  void start(List<String> args) {
-    ArgParser parser = new ArgParser();
-    parser.addOption(
-        CLIENT_ID,
-        help: "an identifier used to identify the client");
-    parser.addFlag(
-        ENABLE_INCREMENTAL_RESOLUTION_API,
-        help: "enable using incremental resolution for API changes",
-        defaultsTo: false,
-        negatable: false);
-    parser.addFlag(
-        ENABLE_INSTRUMENTATION_OPTION,
-        help: "enable sending instrumentation information to a server",
-        defaultsTo: false,
-        negatable: false);
-    parser.addFlag(
-        HELP_OPTION,
-        help: "print this help message without starting a server",
-        defaultsTo: false,
-        negatable: false);
-    parser.addOption(
-        INCREMENTAL_RESOLUTION_LOG,
-        help: "the description of the incremental resolution log");
-    parser.addFlag(
-        INCREMENTAL_RESOLUTION_VALIDATION,
-        help: "enable validation of incremental resolution results (slow)",
-        defaultsTo: false,
-        negatable: false);
-    parser.addFlag(
-        INTERNAL_PRINT_TO_CONSOLE,
-        help: "enable sending `print` output to the console",
-        defaultsTo: false,
-        negatable: false);
-    parser.addOption(
-        PORT_OPTION,
-        help: "[port] the port on which the server will listen");
-    parser.addOption(SDK_OPTION, help: "[path] the path to the sdk");
-    parser.addFlag(
-        NO_ERROR_NOTIFICATION,
-        help:
-            "disable sending all analysis error notifications to the server (not yet implemented)",
-        defaultsTo: false,
-        negatable: false);
-
-    ArgResults results = parser.parse(args);
-    if (results[HELP_OPTION]) {
-      _printUsage(parser);
-      return;
-    }
-
-    // TODO(brianwilkerson) Enable this after it is possible for an
-    // instrumentation server to be provided.
-//    if (results[ENABLE_INSTRUMENTATION_OPTION]) {
-//      if (instrumentationServer == null) {
-//        print('Exiting server: enabled instrumentation without providing an instrumentation server');
-//        print('');
-//        _printUsage(parser);
-//        return;
-//      }
-//    } else {
-//      if (instrumentationServer != null) {
-//        print('Exiting server: providing an instrumentation server without enabling instrumentation');
-//        print('');
-//        _printUsage(parser);
-//        return;
-//      }
-//    }
-
-    int port;
-    bool serve_http = false;
-    if (results[PORT_OPTION] != null) {
-      serve_http = true;
-      try {
-        port = int.parse(results[PORT_OPTION]);
-      } on FormatException {
-        print('Invalid port number: ${results[PORT_OPTION]}');
-        print('');
-        _printUsage(parser);
-        exitCode = 1;
-        return;
-      }
-    }
-
-    AnalysisServerOptions analysisServerOptions = new AnalysisServerOptions();
-    analysisServerOptions.enableIncrementalResolutionApi =
-        results[ENABLE_INCREMENTAL_RESOLUTION_API];
-    analysisServerOptions.enableIncrementalResolutionValidation =
-        results[INCREMENTAL_RESOLUTION_VALIDATION];
-
-    _initIncrementalLogger(results[INCREMENTAL_RESOLUTION_LOG]);
-
-    DartSdk defaultSdk;
-    if (results[SDK_OPTION] != null) {
-      defaultSdk = new DirectoryBasedDartSdk(new JavaFile(results[SDK_OPTION]));
-    } else {
-      // No path to the SDK provided; use DirectoryBasedDartSdk.defaultSdk,
-      // which will make a guess.
-      defaultSdk = DirectoryBasedDartSdk.defaultSdk;
-    }
-
-    InstrumentationService service =
-        new InstrumentationService(instrumentationServer);
-//    service.logVersion(results[CLIENT_ID], defaultSdk.sdkVersion);
-    AnalysisEngine.instance.instrumentationService = service;
-    //
-    // Process all of the plugins so that extensions are registered.
-    //
-    ServerPlugin serverPlugin = new ServerPlugin();
-    List<Plugin> plugins = <Plugin>[];
-    plugins.add(serverPlugin);
-    plugins.addAll(_userDefinedPlugins);
-    ExtensionManager manager = new ExtensionManager();
-    manager.processPlugins(plugins);
-
-    socketServer =
-        new SocketServer(analysisServerOptions, defaultSdk, service, serverPlugin);
-    httpServer = new HttpAnalysisServer(socketServer);
-    stdioServer = new StdioAnalysisServer(socketServer);
-
-    if (serve_http) {
-      httpServer.serveHttp(port);
-    }
-
-    _captureExceptions(service, () {
-      stdioServer.serveStdio().then((_) {
-        if (serve_http) {
-          httpServer.close();
-        }
-        service.shutdown();
-        exit(0);
-      });
-    },
-        print: results[INTERNAL_PRINT_TO_CONSOLE] ? null : httpServer.recordPrint);
-  }
-
-  /**
-   * Execute the given [callback] within a zone that will capture any unhandled
-   * exceptions and both report them to the client and send them to the given
-   * instrumentation [service]. If a [print] function is provided, then also
-   * capture any data printed by the callback and redirect it to the function.
-   */
-  dynamic _captureExceptions(InstrumentationService service, dynamic callback(),
-      {void print(String line)}) {
-    Function errorFunction =
-        (Zone self, ZoneDelegate parent, Zone zone, dynamic exception,
-            StackTrace stackTrace) {
-      service.logPriorityException(exception, stackTrace);
-      socketServer.analysisServer.reportException(exception, stackTrace);
-      throw exception;
-    };
-    Function printFunction = print == null ?
-        null :
-        (Zone self, ZoneDelegate parent, Zone zone, String line) {
-      // Note: we don't pass the line on to stdout, because that is reserved
-      // for communication to the client.
-      print(line);
-    };
-    ZoneSpecification zoneSpecification = new ZoneSpecification(
-        handleUncaughtError: errorFunction,
-        print: printFunction);
-    return runZoned(callback, zoneSpecification: zoneSpecification);
-  }
-
-  /**
-   * Print information about how to use the server.
-   */
-  void _printUsage(ArgParser parser) {
-    print('Usage: $BINARY_NAME [flags]');
-    print('');
-    print('Supported flags are:');
-    print(parser.usage);
-  }
-}