Reland "Merge more Kernel infrastructure from kernel_sdk SDK fork."

tools/testing/dart/test_suite.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.
 
 /**
  * Classes and methods for enumerating and preparing tests.
  *
  * This library includes:
  *
  * - Creating tests by listing all the Dart files in certain directories,
@@ skipping 699 matching lines @@
    * instead of having to create a custom [StandardTestSuite] subclass. In
    * particular, if you add 'path/to/mytestsuite' to [TEST_SUITE_DIRECTORIES]
    * in test.dart, this will all be set up for you.
    */
   factory StandardTestSuite.forDirectory(Map configuration, Path directory) {
     var name = directory.filename;
     var status_paths = [
       '$directory/$name.status',
       '$directory/.status',
       '$directory/${name}_dart2js.status',
-      '$directory/${name}_analyzer2.status'
+      '$directory/${name}_analyzer2.status',
+      '$directory/${name}_kernel.status'
     ];
 
     return new StandardTestSuite(configuration, name, directory, status_paths,
         isTestFilePredicate: (filename) => filename.endsWith('_test.dart'),
         recursive: true);
   }
 
   List<Uri> get dart2JsBootstrapDependencies => _dart2JsBootstrapDependencies;
 
   /**
@@ skipping 937 matching lines @@
    *   snapshot to the expectation file. When tests fail, 'test.dart' saves the
    *   new snapshot into a file so it can be visualized or copied over.
    *   Expectations can be recorded for the first time by creating an empty file
    *   with the right name (touch test_name_test.png), running the test, and
    *   executing the copy command printed by the test script.
    *
    * This method is static as the map is cached and shared amongst
    * configurations, so it may not use [configuration].
    */
   Map readOptionsFromFile(Path filePath) {
-    if (filePath.segments().contains('co19')) {
+    if (filePath.filename.endsWith('.dill')) {
+      return optionsFromKernelFile();
+    } else if (filePath.segments().contains('co19')) {
       return readOptionsFromCo19File(filePath);
     }
     RegExp testOptionsRegExp = new RegExp(r"// VMOptions=(.*)");
     RegExp sharedOptionsRegExp = new RegExp(r"// SharedOptions=(.*)");
     RegExp dartOptionsRegExp = new RegExp(r"// DartOptions=(.*)");
     RegExp otherScriptsRegExp = new RegExp(r"// OtherScripts=(.*)");
     RegExp otherResourcesRegExp = new RegExp(r"// OtherResources=(.*)");
     RegExp packageRootRegExp = new RegExp(r"// PackageRoot=(.*)");
     RegExp packagesRegExp = new RegExp(r"// Packages=(.*)");
     RegExp isolateStubsRegExp = new RegExp(r"// IsolateStubs=(.*)");
@@ skipping 105 matching lines @@
       "otherScripts": otherScripts,
       "otherResources": otherResources,
       "isMultitest": isMultitest,
       "isMultiHtmlTest": isMultiHtmlTest,
       "subtestNames": subtestNames,
       "isolateStubs": isolateStubs,
       "containsDomImport": containsDomImport
     };
   }
 
+  Map optionsFromKernelFile() {
+    return const {
+      "vmOptions": const [ const []],
+      "sharedOptions": const [],
+      "dartOptions": null,
+      "packageRoot": null,
+      "packages": null,
+      "hasCompileError": false,
+      "hasRuntimeError": false,
+      "hasStaticWarning": false,
+      "otherScripts": const [],
+      "isMultitest": false,
+      "isMultiHtmlTest": false,
+      "subtestNames": const [],
+      "isolateStubs": '',
+      "containsDomImport": false,
+    };
+  }
+
   List<List<String>> getVmOptions(Map optionsFromFile) {
     var COMPILERS = const ['none', 'precompiler', 'dart2app', 'dart2appjit'];
     var RUNTIMES = const [
       'none',
       'dart_precompiled',
       'dart_app',
       'vm',
       'drt',
       'dartium',
       'ContentShellOnAndroid',
@@ skipping 690 matching lines @@
       }
       if (path.length > WINDOWS_SHORTEN_PATH_LIMIT) {
         ++shortNameCounter;
         var pathEnd = path.substring(path.length - WINDOWS_PATH_END_LENGTH);
         path = "short${shortNameCounter}_$pathEnd";
       }
     }
     return path;
   }
 }