- Convert all isolate flags to a bit field.

runtime/bin/run_vm_tests.cc

 // 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.
 
 #include <stdio.h>
 
 #include "bin/dartutils.h"
 #include "bin/dfe.h"
 #include "bin/file.h"
 #include "bin/loader.h"
@@ skipping 191 matching lines @@
     run_filter = kList;
     // List all tests and benchmarks and exit without initializing the VM.
     TestCaseBase::RunAll();
     Benchmark::RunAll(argv[0]);
     TestCaseBase::RunAllRaw();
     fflush(stdout);
     return 0;
   }
 
   int arg_pos = 1;
+  bool start_kernel_isolate = false;
   if (strstr(argv[arg_pos], "--dfe") == argv[arg_pos]) {
     const char* delim = strstr(argv[1], "=");
     if (delim == NULL || strlen(delim + 1) == 0) {
       OS::PrintErr("Invalid value for the option: %s\n", argv[1]);
       PrintUsage();
       return 1;
     }
     kernel_snapshot = strdup(delim + 1);
     // VM needs '--use-dart-frontend' option, which we will insert in place
     // of '--dfe' option.
     argv[arg_pos] = strdup("--use-dart-frontend");
+    start_kernel_isolate = true;
     ++arg_pos;
   }
 
   if (arg_pos == argc - 1 && strcmp(argv[arg_pos], "--benchmarks") == 0) {
     // "--benchmarks" is the last argument.
     run_filter = kAllBenchmarks;
   } else {
     // Last argument is the test name, the rest are vm flags.
     run_filter = argv[argc - 1];
     // Remove the first value (executable) from the arguments and
     // exclude the last argument which is the test name.
     dart_argc = argc - 2;
     dart_argv = &argv[1];
   }
 
   bool set_vm_flags_success =
       Flags::ProcessCommandLineFlags(dart_argc, dart_argv);
   ASSERT(set_vm_flags_success);
   const char* err_msg = Dart::InitOnce(
       dart::bin::vm_snapshot_data, dart::bin::vm_snapshot_instructions,
       CreateIsolateAndSetup /* create */, NULL /* shutdown */,
       NULL /* cleanup */, NULL /* thread_exit */,
       dart::bin::DartUtils::OpenFile, dart::bin::DartUtils::ReadFile,
       dart::bin::DartUtils::WriteFile, dart::bin::DartUtils::CloseFile,
-      NULL /* entropy_source */, NULL /* get_service_assets */);
+      NULL /* entropy_source */, NULL /* get_service_assets */,
+      start_kernel_isolate);
 
   ASSERT(err_msg == NULL);
   // Apply the filter to all registered tests.
   TestCaseBase::RunAll();
   // Apply the filter to all registered benchmarks.
   Benchmark::RunAll(argv[0]);
 
   err_msg = Dart::Cleanup();
   ASSERT(err_msg == NULL);
 
   TestCaseBase::RunAllRaw();
   // Print a warning message if no tests or benchmarks were matched.
   if (run_matches == 0) {
     OS::PrintErr("No tests matched: %s\n", run_filter);
     return 1;
   }
   if (DynamicAssertionHelper::failed()) {
     return 255;
   }
   return 0;
 }
 
 }  // namespace dart
 
 int main(int argc, const char** argv) {
   dart::bin::Platform::Exit(dart::Main(argc, argv));
 }