Initialize standalone embedder debugger before calling Dart_Initialize

runtime/bin/main.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 <stdlib.h>
 #include <string.h>
 #include <stdio.h>
 
 #include "include/dart_api.h"
 #include "include/dart_debugger_api.h"
@@ skipping 929 matching lines @@
     fprintf(stderr, "Error determining current directory: %s\n", err.message());
     fflush(stderr);
     exit(kErrorExitCode);
   }
 
   Dart_SetVMFlags(vm_options.count(), vm_options.arguments());
 
   // Start event handler.
   EventHandler::Start();
 
-  // Initialize the Dart VM.
-  if (!Dart_Initialize(CreateIsolateAndSetup, NULL, NULL, ShutdownIsolate,
-                       DartUtils::OpenFile,
-                       DartUtils::ReadFile,
-                       DartUtils::WriteFile,
-                       DartUtils::CloseFile,
-                       DartUtils::EntropySource)) {
-    fprintf(stderr, "%s", "VM initialization failed\n");
-    fflush(stderr);
-    exit(kErrorExitCode);
-  }
-
-
-
   // Start the debugger wire protocol handler if necessary.
   if (start_debugger) {
     ASSERT(debug_port >= 0);
     bool print_msg = verbose_debug_seen || (debug_port == 0);
     debug_port = DebuggerConnectionHandler::StartHandler(debug_ip, debug_port);
     if (print_msg) {
       Log::Print("Debugger listening on port %d\n", debug_port);
     }
   } else {
     DebuggerConnectionHandler::InitForVmService();
   }
 
+  // Initialize the Dart VM.
+  if (!Dart_Initialize(CreateIsolateAndSetup, NULL, NULL, ShutdownIsolate,
+                       DartUtils::OpenFile,
+                       DartUtils::ReadFile,
+                       DartUtils::WriteFile,
+                       DartUtils::CloseFile,
+                       DartUtils::EntropySource)) {
+    fprintf(stderr, "%s", "VM initialization failed\n");
+    fflush(stderr);
+    exit(kErrorExitCode);
+  }
+
   Dart_RegisterIsolateServiceRequestCallback(
         "io", &ServiceRequestHandler, NULL);
 
   // Call CreateIsolateAndSetup which creates an isolate and loads up
   // the specified application script.
   char* error = NULL;
   int exit_code = 0;
   char* isolate_name = BuildIsolateName(script_name, "main");
   Dart_Isolate isolate = CreateIsolateAndSetupHelper(script_name,
                                                      "main",
@@ skipping 128 matching lines @@
   exit(Process::GlobalExitCode());
 }
 
 }  // namespace bin
 }  // namespace dart
 
 int main(int argc, char** argv) {
   dart::bin::main(argc, argv);
   UNREACHABLE();
 }