Minor debugger cleanup. Store the running state of the previous debugger...

Minor debugger cleanup. Store the running state of the previous debugger response to avoid having to parse the just generated JSON response just to pick out the running state. Also removed an unused function.
Review URL: http://codereview.chromium.org/20039

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@1222 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/debug-delay.js

@@ -945,6 +945,7 @@ NewFunctionEvent.prototype.setBreakPoint = function(p) {
 
 function DebugCommandProcessor(exec_state) {
   this.exec_state_ = exec_state;
+  this.running_ = false;
 };
 
 
@@ -953,11 +954,6 @@ DebugCommandProcessor.prototype.processDebugRequest = function (request) {
 }
 
 
-DebugCommandProcessor.prototype.responseIsRunning = function (response) {
-  return this.isRunning(response);
-}
-
-
 function ResponsePacket(request) {
   // Build the initial response from the request.
   this.seq = next_response_seq++;
@@ -1032,7 +1028,7 @@ DebugCommandProcessor.prototype.createResponse = function(request) {
 };
 
 
-DebugCommandProcessor.prototype.processDebugJSONRequest = function(json_request, stopping) {
+DebugCommandProcessor.prototype.processDebugJSONRequest = function(json_request) {
   var request;  // Current request.
   var response;  // Generated response.
   try {
@@ -1091,10 +1087,7 @@ DebugCommandProcessor.prototype.processDebugJSONRequest = function(json_request,
 
     // Return the response as a JSON encoded string.
     try {
-      // Set the running state to what indicated.
-      if (!IS_UNDEFINED(stopping)) {
-        response.running = !stopping;
-      }
+      this.running_ = response.running;  // Store the running state.
       return response.toJSONProtocol();
     } catch (e) {
       // Failed to generate response - return generic error.
@@ -1538,18 +1531,10 @@ DebugCommandProcessor.prototype.scriptsRequest_ = function(request, response) {
 };
 
 
-// Check whether the JSON response indicate that the VM should be running.
-DebugCommandProcessor.prototype.isRunning = function(json_response) {
-  try {
-    // Convert the JSON string to an object.
-    response = %CompileString('(' + json_response + ')', 0)();
-
-    // Return whether VM should be running after this request.
-    return response.running;
-
-  } catch (e) {
-     return false;
-  }
+// Check whether the previously processed command caused the VM to become
+// running.
+DebugCommandProcessor.prototype.isRunning = function() {
+  return this.running_;
 }