dart2dart compiler support.

tools/testing/dart/test_options.dart

 // Copyright (c) 2012, 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("test_options_parser");
 
 #import("dart:io");
 #import("drt_updater.dart");
 #import("test_suite.dart");
 
@@ skipping 51 matching lines @@
               ['-m', '--mode'],
               ['all', 'debug', 'release'],
               'debug'),
           new _TestOptionSpecification(
               'compiler',
               '''Specify any compilation step (if needed).
 
    none: Do not compile the Dart code (run native Dart code on the VM).
          (only valid with the following runtimes: vm, drt)
 
+   dart2dart: Compile Dart code to Dart code
+              (only valid with the following runtimes: vm, drt)
+
    dart2js: Compile dart code to JavaScript by running dart2js (leg).
             (only valid with the following runtimes: same as frog)
 
    dartc: Perform static analysis on Dart code by running dartc.
           (only valid with the following runtimes: none)
 
    frog: (DEPRECATED) Compile dart code to JavaScript by running the
          frog compiler. (only valid with the following runtimes: d8,
          drt, chrome, safari, ie, firefox, opera, none (compile only))''',
               ['-c', '--compiler'],
-              ['none', 'frog', 'dart2js', 'dartc'],
+              ['none', 'dart2dart', 'frog', 'dart2js', 'dartc'],
               'none'),
           new _TestOptionSpecification(
               'runtime',
               '''Where the tests should be run.
     vm: Run Dart code on the standalone dart vm.
 
     d8: Run JavaScript from the command line using v8.
 
     drt: Run Dart or JavaScript in the headless version of Chrome,
          DumpRenderTree.
@@ skipping 303 matching lines @@
           // dart2js_drt will be duplicating work. If later we don't need 'none'
           // with dart2js, we should remove it from here.
           isValid = (const ['d8', 'drt', 'dartium', 'ff',
                             'chrome', 'safari', 'ie', 'opera',
                             'none']).indexOf(config['runtime']) >= 0;
           break;
         case 'dartc':
           isValid = config['runtime'] == 'none';
           break;
         case 'none':
+        case 'dart2dart':

[Bill Hesse, 2012/07/24 11:58:59]

See below.
const ['vm', 'drt', 'dartium'].some(equals(config['runtime']))

[Anton Muhin, 2012/07/25 11:19:57]

Done.

           isValid = (const ['vm', 'drt',
                             'dartium']).indexOf(config['runtime']) >= 0;
       }
     if (!isValid) {
       print("Warning: combination of ${config['compiler']} and "
           "${config['runtime']} is invalid. Skipping this combination.");
     }
     if (config['runtime'] == 'ie' &&
         Platform.operatingSystem != 'windows') {
       isValid = false;
       print("Warning cannot run Internet Explorer on non-Windows operating"
           " system.");
     }
     if (config['shard'] < 1 || config['shard'] > config['shards']) {
       isValid = false;
       print("Error: shard index is ${config['shard']} out of "
             "${config['shards']} shards");
     }
-    if (config['runtime'] == 'dartium' && config['compiler'] == 'none' &&
+    if (config['runtime'] == 'dartium' &&

[Bill Hesse, 2012/07/24 11:58:59]

Please put a TODO(1030) here, to fix this when Collection.contains is added.

For now, can we add a global function generator
equals(x) => ((y) => (x == y));

and use
const ['none', 'dart2dart'].some(equals(config['compiler']));
?

+        const ['none', 'dart2dart'].indexOf(config['compiler']) >= 0 &&
         config['checked']) {
       // TODO(vsm): Set the DART_FLAGS environment appropriately when
       // invoking Selenium to support checked mode.  It's not clear
       // the current selenium API supports this.
       isValid = false;
       print("Warning: checked mode is not yet supported for dartium tests.");
     }
     return isValid;
   }
 
@@ skipping 203 matching lines @@
         return option;
       }
     }
     print('Unknown test option $name');
     exit(1);
   }
 
 
   List<_TestOptionSpecification> _options;
 }