Delete site/try

site/try/src/compiler_isolate.dart

-// Copyright (c) 2013, 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 compiler_isolate;
-
-import 'dart:async';
-import 'dart:html';
-import 'dart:isolate';
-import 'dart:convert' show JSON;
-
-import 'compilation.dart' show PRIVATE_SCHEME;
-
-import 'package:compiler/compiler.dart' as compiler;
-
-import 'package:compiler/src/old_to_new_api.dart' show
-    LegacyCompilerDiagnostics, LegacyCompilerInput;
-
-import 'package:dart2js_incremental/dart2js_incremental.dart' show
-    reuseCompiler, OutputProvider;
-
-import 'package:compiler/src/compiler.dart' show
-    Compiler;
-
-const bool THROW_ON_ERROR = false;
-
-final cachedSources = new Map<Uri, Future<String>>();
-
-Uri sdkLocation;
-List options = [];
-
-var communicateViaBlobs;
-
-var cachedCompiler;
-
-void notifyDartHtml(SendPort port) {
-  // Notify the controlling isolate (Try Dart UI) that the program imports
-  // dart:html. This is used to determine how to run the program: in an iframe
-  // or in a worker.
-  port.send('dart:html');
-}
-
-compile(source, SendPort replyTo) {
-  if (sdkLocation == null) {
-    // The first message received gives us the URI of this web app.
-    if (source.endsWith('/sdk.json')) {
-      var request = new HttpRequest();
-      request.open('GET', source, async: false);
-      request.send(null);
-      if (request.status != 200) {
-        throw 'SDK not found at $source';
-      }
-      sdkLocation = Uri.parse('sdk:/sdk/');
-      JSON.decode(request.responseText).forEach((file, content) {
-        cachedSources[Uri.parse(file)] = new Future<String>.value(content);
-      });
-    } else {
-      sdkLocation = Uri.parse(source);
-    }
-    replyTo.send(null);
-    return;
-  }
-  if (source is List) {
-    String messageType = (source.length > 0) ? source[0] : null;
-    var data = (source.length > 1) ? source[1] : null;
-    if (messageType == 'options') {
-      options = data as List;
-    } if (messageType == 'communicateViaBlobs') {
-      communicateViaBlobs = data as bool;
-    }
-    return;
-  }
-  int charactersRead = 0;
-  Future<String> inputProvider(Uri uri) {
-    Future<String> future;
-    if (uri.scheme == 'sdk') {
-      if (uri.path.endsWith('/lib/html/dart2js/html_dart2js.dart')) {
-        notifyDartHtml(replyTo);
-      }
-      future = cachedSources[uri];
-    } else if (uri.scheme == 'http' || uri.scheme == 'https') {
-      future =
-          cachedSources.putIfAbsent(uri, () => HttpRequest.getString('$uri'));
-    } else if ('$uri' == '$PRIVATE_SCHEME:/main.dart') {
-      future = new Future<String>.value(source);
-    } else if (uri.scheme == PRIVATE_SCHEME) {
-      future = HttpRequest.getString('project${uri.path}');
-    }
-    if (future == null) {
-      future = new Future<String>.error('$uri: Not found');
-    }
-    return future.then((String value) {
-      charactersRead += value.length;
-      return value;
-    }).catchError((Event event) {
-      var target = event.target;
-      if (target is HttpRequest) {
-        throw '$uri: ${target.statusText}';
-      } else {
-        throw event;
-      }
-    }, test: (error) => error is Event);
-  }
-  void handler(Uri uri, int begin, int end,
-               String message, compiler.Diagnostic kind) {
-    replyTo.send(['diagnostic', { 'uri': '$uri',
-                                  'begin': begin,
-                                  'end': end,
-                                  'message': message,
-                                  'kind': kind.name }]);
-    if (THROW_ON_ERROR && kind == compiler.Diagnostic.ERROR) {
-      throw new Exception('Throw on error');
-    }
-  }
-  Stopwatch compilationTimer = new Stopwatch()..start();
-  OutputProvider outputProvider = new OutputProvider();
-  reuseCompiler(
-      diagnosticHandler: new LegacyCompilerDiagnostics(handler),
-      inputProvider: new LegacyCompilerInput(inputProvider),
-      outputProvider: outputProvider,
-      options: options,
-      cachedCompiler: cachedCompiler,
-      libraryRoot: sdkLocation,
-      packageRoot: Uri.base.resolve('/packages/'),
-      packagesAreImmutable: true).then((Compiler newCompiler) {
-    cachedCompiler = newCompiler;
-    return cachedCompiler.run(Uri.parse('$PRIVATE_SCHEME:/main.dart'));
-  }).then((success) {
-    compilationTimer.stop();
-    print('Compilation took ${compilationTimer.elapsed}');
-    if (cachedCompiler.libraryLoader
-            .lookupLibrary(Uri.parse('dart:html')) != null) {
-      notifyDartHtml(replyTo);
-    }
-    String js = outputProvider['.js'];
-    if (js == null) {
-      if (!options.contains('--analyze-only')) replyTo.send('failed');
-    } else {
-      var url;
-      handler(null, 0, 0,
-              'Compiled ${source.length}/${charactersRead} characters Dart'
-              ' -> ${js.length} characters.',
-              compiler.Diagnostic.VERBOSE_INFO);
-      if (communicateViaBlobs) {
-        try {
-          // At least Safari and Firefox do not support creating an
-          // object URL from a web worker.  MDN claims that it will be
-          // supported in Firefox 21.
-          url = Url.createObjectUrl(new Blob([js], 'application/javascript'));
-        } catch (_) {
-          // Ignored.
-        }
-      } else  {
-        url = null;
-      }
-      if (url != null) {
-        replyTo.send(['url', url]);
-      } else {
-        replyTo.send(['code', js]);
-      }
-    }
-  }).catchError((e, trace) {
-    replyTo.send(['crash', '$e, $trace']);
-  }).whenComplete(() {
-    replyTo.send('done');
-  });
-}
-
-void main(List<String> arguments, SendPort port) {
-  ReceivePort replyTo = new ReceivePort();
-  port.send(replyTo.sendPort);
-  replyTo.listen((message) {
-    try {
-      List list = message as List;
-      compile(list[0], list[1]);
-    } catch (exception, stack) {
-      port.send('$exception\n$stack');
-    }
-  });
-}