VM: [Kernel] Switch to DFE for testing -c dartk configuration.

tools/testing/dart/compiler_configuration.dart

 // 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 compiler_configuration;
 
 import 'dart:io' show Platform;
 
 import 'runtime_configuration.dart' show RuntimeConfiguration;
 import 'runtime_configuration.dart' show DartPrecompiledAdbRuntimeConfiguration;
@@ skipping 50 matching lines @@
     bool isStrong = configuration['strong'];
     bool isHostChecked = configuration['host_checked'];
     bool useSdk = configuration['use_sdk'];
     bool isCsp = configuration['csp'];
     bool useCps = configuration['cps_ir'];
     bool useBlobs = configuration['use_blobs'];
     bool hotReload = configuration['hot_reload'];
     bool hotReloadRollback = configuration['hot_reload_rollback'];
     bool useFastStartup = configuration['fast_startup'];
     bool verifyKernel = configuration['verify-ir'];
+    bool useStandaloneDartK = configuration['use-standalone-dartk'];
 
     switch (compiler) {
       case 'dart2analyzer':
         return new AnalyzerCompilerConfiguration(
             isDebug: isDebug,
             isChecked: isChecked,
             isStrong: isStrong,
             isHostChecked: isHostChecked,
             useSdk: useSdk);
       case 'dart2js':
@@ skipping 11 matching lines @@
         return new Dart2AppSnapshotCompilerConfiguration(
             isDebug: isDebug, isChecked: isChecked);
       case 'precompiler':
         return new PrecompilerCompilerConfiguration(
             isDebug: isDebug,
             isChecked: isChecked,
             arch: configuration['arch'],
             useBlobs: useBlobs,
             isAndroid: configuration['system'] == 'android');
       case 'dartk':
-        return ComposedCompilerConfiguration.createDartKConfiguration(
-            isChecked: isChecked,
-            isHostChecked: isHostChecked,
-            useSdk: useSdk,
-            verify: verifyKernel,
-            strong: isStrong);
+        if (useStandaloneDartK) {
+          return ComposedCompilerConfiguration.createDartKConfiguration(
+              isChecked: isChecked,
+              isHostChecked: isHostChecked,
+              useSdk: useSdk,
+              verify: verifyKernel,
+              strong: isStrong);
+        }
+
+        return new NoneCompilerConfiguration(
+              isDebug: isDebug,
+              isChecked: isChecked,
+              isHostChecked: isHostChecked,
+              useSdk: useSdk,
+              hotReload: hotReload,
+              hotReloadRollback: hotReloadRollback,
+              useDFEIsolate: true);
+
       case 'dartkp':
         return ComposedCompilerConfiguration.createDartKPConfiguration(
             isChecked: isChecked,
             isHostChecked: isHostChecked,
             arch: configuration['arch'],
             useBlobs: useBlobs,
             isAndroid: configuration['system'] == 'android',
             useSdk: useSdk,
             verify: verifyKernel,
             strong: isStrong);
@@ skipping 60 matching lines @@
       List<String> originalArguments,
       CommandArtifact artifact) {
     return <String>[artifact.filename];
   }
 }
 
 /// The "none" compiler.
 class NoneCompilerConfiguration extends CompilerConfiguration {
   final bool hotReload;
   final bool hotReloadRollback;
+  final bool useDFEIsolate;
 
   NoneCompilerConfiguration(
       {bool isDebug, bool isChecked, bool isHostChecked, bool useSdk,
-       bool hotReload,
-       bool hotReloadRollback})
+       bool this.hotReload,
+       bool this.hotReloadRollback,
+       bool this.useDFEIsolate: false})
       : super._subclass(
             isDebug: isDebug,
             isChecked: isChecked,
             isHostChecked: isHostChecked,
-            useSdk: useSdk),
-        this.hotReload = hotReload,
-        this.hotReloadRollback = hotReloadRollback;
+            useSdk: useSdk);
 
   bool get hasCompiler => false;
 
   List<String> computeRuntimeArguments(
       RuntimeConfiguration runtimeConfiguration,
       String buildDir,
       TestInformation info,
       List<String> vmOptions,
       List<String> sharedOptions,
       List<String> originalArguments,
       CommandArtifact artifact) {
     List<String> args = [];
+    if (useDFEIsolate) {
+      args.add('--dfe=runtime/tools/kernel-service.dart');
+    }
     if (isChecked) {
       args.add('--enable_asserts');
       args.add('--enable_type_checks');
     }
     if (hotReload) {
       args.add('--hot-reload-test-mode');
     } else if (hotReloadRollback) {
       args.add('--hot-reload-rollback-test-mode');
     }
     return args
@@ skipping 676 matching lines @@
       RuntimeConfiguration runtimeConfiguration,
       String buildDir,
       TestInformation info,
       List<String> vmOptions,
       List<String> sharedOptions,
       List<String> originalArguments,
       CommandArtifact artifact) {
     return <String>[];
   }
 }