Remove the AnalysisOptionsProcessor

pkg/analyzer_cli/lib/src/boot_loader.dart

-// Copyright (c) 2015, 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 analyzer_cli.src.boot_loader;
-
-import 'dart:async';
-import 'dart:isolate';
-
-import 'package:analyzer/file_system/file_system.dart';
-import 'package:analyzer/file_system/physical_file_system.dart';
-import 'package:analyzer/source/analysis_options_provider.dart';
-import 'package:analyzer/src/context/context.dart';
-import 'package:analyzer/src/generated/engine.dart' as engine;
-import 'package:analyzer/src/plugin/plugin_configuration.dart';
-import 'package:analyzer_cli/src/driver.dart';
-import 'package:analyzer_cli/src/options.dart';
-import 'package:source_span/source_span.dart';
-import 'package:yaml/src/yaml_node.dart';
-
-const _analyzerPackageName = 'analyzer';
-
-/// Return non-null if there is a validation issue with this plugin.
-String validate(PluginInfo plugin) {
-  var missing = <String>[];
-  if (plugin.className == null) {
-    missing.add('class name');
-  }
-  if (plugin.libraryUri == null) {
-    missing.add('library uri');
-  }
-  if (missing.isEmpty) {
-    // All good.
-    return null;
-  }
-  return 'Plugin ${plugin.name} skipped, config missing: ${missing.join(", ")}';
-}
-
-List<PluginInfo> _validate(Iterable<PluginInfo> plugins) {
-  List<PluginInfo> validated = <PluginInfo>[];
-  plugins.forEach((PluginInfo plugin) {
-    String validation = validate(plugin);
-    if (validation != null) {
-      errorSink.writeln(validation);
-    } else {
-      validated.add(plugin);
-    }
-  });
-  return validated;
-}
-
-/// Source code assembler.
-class Assembler {
-  /// Plugins to configure.
-  final Iterable<PluginInfo> plugins;
-
-  /// Create an assembler for the given plugin [config].
-  Assembler(this.plugins);
-
-  /// A string enumerating required package `import`s.
-  String get enumerateImports =>
-      plugins.map((PluginInfo p) => "import '${p.libraryUri}';").join('\n');
-
-  /// A string listing initialized plugin instances.
-  String get pluginList =>
-      plugins.map((PluginInfo p) => 'new ${p.className}()').join(', ');
-
-  /// Create a file containing a `main()` suitable for loading in spawned
-  /// isolate.
-  String createMain() => _generateMain();
-
-  String _generateMain() => """
-// Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// This code was auto-generated, is not intended to be edited, and is subject to
-// significant change. Please see the README file for more information.
-
-import 'package:analyzer_cli/src/driver.dart';
-
-$enumerateImports
-
-void main(List<String> args) {
-  var starter = new Driver();
-  starter.userDefinedPlugins = [$pluginList];
-  starter.start(args);
-}
-""";
-}
-
-/// Given environment information extracted from command-line `args`, creates a
-/// a loadable analyzer "image".
-class BootLoader {
-  /// Emits an error message to [errorSink] if plugin config can't be read.
-  static final ErrorHandler _pluginConfigErrorHandler = (Exception e) {
-    String details;
-    if (e is PluginConfigFormatException) {
-      details = e.message;
-      var node = e.yamlNode;
-      if (node is YamlNode) {
-        SourceLocation location = node.span.start;
-        details += ' (line ${location.line}, column ${location.column})';
-      }
-    } else {
-      details = e.toString();
-    }
-
-    errorSink.writeln('Plugin configuration skipped: $details');
-  };
-
-  /// Reads plugin config info from the analysis options file.
-  PluginConfigOptionsProcessor _pluginOptionsProcessor =
-      new PluginConfigOptionsProcessor(_pluginConfigErrorHandler);
-
-  /// Create a loadable analyzer image configured with plugins derived from
-  /// the given analyzer command-line `args`.
-  Image createImage(List<String> args) {
-    // Parse commandline options.
-    CommandLineOptions options = CommandLineOptions.parse(args);
-
-    // Process analysis options file (and notify all interested parties).
-    _processAnalysisOptions(options);
-
-    // TODO(pquitslund): Pass in .packages info
-    return new Image(_pluginOptionsProcessor.config,
-        args: args, packageRootPath: options.packageRootPath);
-  }
-
-  File _getOptionsFile(
-      CommandLineOptions options, ResourceProvider resourceProvider) {
-    String analysisOptionsFile = options.analysisOptionsFile;
-    if (analysisOptionsFile != null) {
-      return resourceProvider.getFile(analysisOptionsFile);
-    }
-    File file =
-        resourceProvider.getFile(engine.AnalysisEngine.ANALYSIS_OPTIONS_FILE);
-    if (!file.exists) {
-      file = resourceProvider
-          .getFile(engine.AnalysisEngine.ANALYSIS_OPTIONS_YAML_FILE);
-    }
-    return file;
-  }
-
-  void _processAnalysisOptions(CommandLineOptions commandLineOptions) {
-    // Determine options file path.
-    try {
-      File file = _getOptionsFile(
-          commandLineOptions, PhysicalResourceProvider.INSTANCE);
-      AnalysisOptionsProvider analysisOptionsProvider =
-          new AnalysisOptionsProvider();
-      Map<String, YamlNode> options =
-          analysisOptionsProvider.getOptionsFromFile(file);
-      //TODO(pq): thread in proper context.
-      var temporaryContext = new AnalysisContextImpl();
-      _pluginOptionsProcessor.optionsProcessed(temporaryContext, options);
-    } on Exception catch (e) {
-      _pluginOptionsProcessor.onError(e);
-    }
-  }
-}
-
-/// A loadable "image" of a a configured analyzer instance.
-class Image {
-  /// (Optional) package root path.
-  final String packageRootPath;
-
-  /// (Optional) package map.
-  final Map<String, Uri> packages;
-
-  /// (Optional) args to be passed on to the loaded main.
-  final List<String> args;
-
-  /// Plugin configuration.
-  final PluginConfig config;
-
-  /// Create an image with the given [config] and optionally [packages],
-  /// [packageRootPath], and command line [args].
-  Image(this.config, {this.packages, this.packageRootPath, this.args});
-
-  /// Load this image.
-  ///
-  /// Loading an image consists in assembling an analyzer `main()`, configured
-  /// to include the appropriate analyzer plugins as specified in
-  /// `.analyzer_options` which is then run in a spawned isolate.
-  Future load() {
-    List<PluginInfo> plugins = _validate(config.plugins);
-    String mainSource = new Assembler(plugins).createMain();
-
-    Completer completer = new Completer();
-    ReceivePort exitListener = new ReceivePort();
-    exitListener.listen((data) {
-      completer.complete();
-      exitListener.close();
-    });
-
-    Uri uri =
-        Uri.parse('data:application/dart;charset=utf-8,${Uri.encodeComponent(
-        mainSource)}');
-
-    // TODO(pquitslund): update once .packages are supported.
-    String packageRoot =
-        packageRootPath != null ? packageRootPath : './packages';
-    Uri packageUri = new Uri.file(packageRoot);
-
-    Isolate.spawnUri(uri, args, null /* msg */,
-        packageRoot: packageUri, onExit: exitListener.sendPort);
-
-    return completer.future;
-  }
-}