Add script attribute to Options class, providing the name of the running script.

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 133 matching lines @@
   // Parse out options to be passed to dart main.
   while (i < argc) {
     dart_options->AddArgument(argv[i]);
     i += 1;
   }
 
   return 0;
 }
 
 
-static Dart_Handle SetupRuntimeOptions(CommandLineOptions* options) {
+static Dart_Handle SetupRuntimeOptions(CommandLineOptions* options,
+                                       char* script_name) {
   int options_count = options->count();
+  Dart_Handle dart_script = Dart_NewString(script_name);
+  if (Dart_IsError(dart_script)) {
+    return dart_script;
+  }
   Dart_Handle dart_arguments = Dart_NewList(options_count);
   if (Dart_IsError(dart_arguments)) {
     return dart_arguments;
   }
   for (int i = 0; i < options_count; i++) {
     Dart_Handle argument_value = Dart_NewString(options->GetArgument(i));
     if (Dart_IsError(argument_value)) {
       return argument_value;
     }
     Dart_Handle result = Dart_ListSetAt(dart_arguments, i, argument_value);
@@ skipping 11 matching lines @@
   }
   Dart_Handle runtime_options_class_name = Dart_NewString("RuntimeOptions");
   if (Dart_IsError(runtime_options_class_name)) {
     return runtime_options_class_name;
   }
   Dart_Handle runtime_options_class = Dart_GetClass(
       core_lib, runtime_options_class_name);
   if (Dart_IsError(runtime_options_class)) {
     return runtime_options_class;
   }
+  Dart_Handle script_name_name = Dart_NewString("_nativeScript");
+  if (Dart_IsError(script_name_name)) {
+    return script_name_name;
+  }
+  Dart_Handle set_script_name =
+      Dart_SetStaticField(runtime_options_class, script_name_name, dart_script);
+  if (Dart_IsError(set_script_name)) {
+    return set_script_name;
+  }
   Dart_Handle native_name = Dart_NewString("_nativeArguments");
   if (Dart_IsError(native_name)) {
     return native_name;
   }
 
   return Dart_SetStaticField(runtime_options_class,
                              native_name,
                              dart_arguments);
 }
 
@@ skipping 285 matching lines @@
     if (Dart_IsError(result)) {
       fprintf(stderr, "%s\n", Dart_GetError(result));
       Dart_ExitScope();
       Dart_ShutdownIsolate();
       free(canonical_script_name);
       return 255;  // Indicates we encountered an error.
     }
   }
 
   // Create a dart options object that can be accessed from dart code.
-  Dart_Handle options_result = SetupRuntimeOptions(&dart_options);
+  Dart_Handle options_result =
+      SetupRuntimeOptions(&dart_options, canonical_script_name);
   if (Dart_IsError(options_result)) {
     fprintf(stderr, "%s\n", Dart_GetError(options_result));
     Dart_ExitScope();
     Dart_ShutdownIsolate();
     free(canonical_script_name);
     return 255;  // Indicates we encountered an error.
   }
   // Lookup the library of the main script.
   Dart_Handle script_url = Dart_NewString(canonical_script_name);
   Dart_Handle library = Dart_LookupLibrary(script_url);
@@ skipping 43 matching lines @@
   Dart_ExitScope();
   // Dump symbol information for the profiler.
   DumpPprofSymbolInfo();
   // Shutdown the isolate.
   Dart_ShutdownIsolate();
   // Terminate event handler.
   EventHandler::Terminate();
 
   return 0;
 }