Fix strict mode in d8.js.

src/d8.js

 // Copyright 2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 104 matching lines @@
 // Current debug state.
 var kNoFrame = -1;
 Debug.State = {
   currentFrame: kNoFrame,
   displaySourceStartLine: -1,
   displaySourceEndLine: -1,
   currentSourceLine: -1
 };
 var trace_compile = false;  // Tracing all compile events?
 var trace_debug_json = false; // Tracing all debug json packets?
-var last_cmd_line = '';
+var last_cmd = '';
 //var lol_is_enabled;  // Set to true in d8.cc if LIVE_OBJECT_LIST is defined.
 var lol_next_dump_index = 0;
 var kDefaultLolLinesToPrintAtATime = 10;
 var kMaxLolLinesToPrintAtATime = 1000;
 var repeat_cmd_line = '';
 var is_running = true;
+// Global variable used to store whether a handle was requested.
+var lookup_handle = null;
 
 // Copied from debug-delay.js.  This is needed below:
 function ScriptTypeFlag(type) {
   return (1 << type);
 }
 
 
 // Process a debugger JSON message into a display text and a running status.
 // This function returns an object with properties "text" and "running" holding
 // this information.
 function DebugMessageDetails(message) {
   if (trace_debug_json) {
     print("received: '" + message + "'");
   }
   // Convert the JSON string to an object.
   var response = new ProtocolPackage(message);
   is_running = response.running();
 
   if (response.type() == 'event') {
     return DebugEventDetails(response);
   } else {
     return DebugResponseDetails(response);
   }
 }
 
 function DebugEventDetails(response) {
-  details = {text:'', running:false};
+  var details = {text:'', running:false};
 
   // Get the running state.
   details.running = response.running();
 
   var body = response.body();
   var result = '';
   switch (response.event()) {
     case 'break':
       if (body.breakpoints) {
         result += 'breakpoint';
@@ skipping 412 matching lines @@
   request.arguments = {};
   request.arguments.start = start_index;
   request.arguments.count = lines_to_dump;
 
   return request;
 };
 
 
 // Create a JSON request for the evaluation command.
 DebugRequest.prototype.makeEvaluateJSONRequest_ = function(expression) {
-  // Global varaible used to store whether a handle was requested.
   lookup_handle = null;
 
   if (lol_is_enabled) {
     // Check if the expression is a obj id in the form @<obj id>.
     var obj_id_match = expression.match(/^@([0-9]+)$/);
     if (obj_id_match) {
       var obj_id = parseInt(obj_id_match[1]);
       // Build a dump request.
       var request = this.createRequest('getobj');
       request.arguments = {};
@@ skipping 1339 matching lines @@
 
 // Rounds number 'num' to 'length' decimal places.
 function roundNumber(num, length) {
   var factor = Math.pow(10, length);
   return Math.round(num * factor) / factor;
 }
 
 
 // Convert a JSON response to text for display in a text based debugger.
 function DebugResponseDetails(response) {
-  details = { text: '', running: false };
+  var details = { text: '', running: false };
 
   try {
     if (!response.success()) {
       details.text = response.message();
       return details;
     }
 
     // Get the running state.
     details.running = response.running();
 
@@ skipping 841 matching lines @@
       json += NumberToJSON_(elem);
     } else if (typeof(elem) === 'string')  {
       json += StringToJSON_(elem);
     } else {
       json += elem;
     }
   }
   json += ']';
   return json;
 }