Removed all functions for parsing the debugger command line commands. The core...

Removed all functions for parsing the debugger command line commands. The core debugger should only support the JSON protocol. Expect these functions to re-appear in d8.

Added processDebugRequest to the debugger which will only process a JSON request. Use that function in the debugger.
Review URL: http://codereview.chromium.org/11395

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@824 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/debug.cc

@@ -1769,10 +1769,10 @@ void DebugMessageThread::DebugEvent(v8::DebugEvent event,
   host_running_ = false;
   SetEventJSONFromEvent(event_data);
 
-  // Wait for commands from the debugger.
+  // Wait for requests from the debugger.
   while (true) {
     command_received_->Wait();
-    Logger::DebugTag("Get command from command queue, in interactive loop.");
+    Logger::DebugTag("Got request from command queue, in interactive loop.");
     Vector<uint16_t> command = command_queue_.Get();
     ASSERT(!host_running_);
     if (!Debugger::debugger_active()) {
@@ -1780,52 +1780,54 @@ void DebugMessageThread::DebugEvent(v8::DebugEvent event,
       return;
     }
 
-    // Invoke the JavaScript to convert the debug command line to a JSON
-    // request, invoke the JSON request and convert the JSON response to a text
-    // representation.
+    // Invoke the JavaScript to process the debug request.
     v8::Local<v8::String> fun_name;
     v8::Local<v8::Function> fun;
-    v8::Local<v8::Value> args[1];
+    v8::Local<v8::Value> request;
     v8::TryCatch try_catch;
-    fun_name = v8::String::New("processDebugCommand");
+    fun_name = v8::String::New("processDebugRequest");
     fun = v8::Function::Cast(*cmd_processor->Get(fun_name));
-    args[0] = v8::String::New(reinterpret_cast<uint16_t*>(command.start()),
+    request = v8::String::New(reinterpret_cast<uint16_t*>(command.start()),
                               command.length());
-    v8::Local<v8::Value> result_val = fun->Call(cmd_processor, 1, args);
+    static const int kArgc = 1;
+    v8::Handle<Value> argv[kArgc] = { request };
+    v8::Local<v8::Value> response_val = fun->Call(cmd_processor, kArgc, argv);
 
-    // Get the result of the command.
-    v8::Local<v8::String> result_string;
+    // Get the response.
+    v8::Local<v8::String> response;
     bool running = false;
     if (!try_catch.HasCaught()) {
-      // Get the result as an object.
-      v8::Local<v8::Object> result = v8::Object::Cast(*result_val);
+      // Get response string.
+      if (!response_val->IsUndefined()) {
+        response = v8::String::Cast(*response_val);
+      } else {
+        response = v8::String::New("");
+      }
 
       // Log the JSON request/response.
       if (FLAG_trace_debug_json) {
-        PrintLn(result->Get(v8::String::New("request")));
-        PrintLn(result->Get(v8::String::New("response")));
+        PrintLn(request);
+        PrintLn(response);
       }
 
       // Get the running state.
-      running = result->Get(v8::String::New("running"))->ToBoolean()->Value();
-
-      // Get result text.
-      v8::Local<v8::Value> text_result =
-          result->Get(v8::String::New("response"));
-      if (!text_result->IsUndefined()) {
-        result_string = text_result->ToString();
-      } else {
-        result_string = v8::String::New("");
+      fun_name = v8::String::New("isRunning");
+      fun = v8::Function::Cast(*cmd_processor->Get(fun_name));
+      static const int kArgc = 1;
+      v8::Handle<Value> argv[kArgc] = { response };
+      v8::Local<v8::Value> running_val = fun->Call(cmd_processor, kArgc, argv);
+      if (!try_catch.HasCaught()) {
+        running = running_val->ToBoolean()->Value();
       }
     } else {
       // In case of failure the result text is the exception text.
-      result_string = try_catch.Exception()->ToString();
+      response = try_catch.Exception()->ToString();
     }
 
     // Convert text result to C string.
-    v8::String::Value val(result_string);
+    v8::String::Value val(response);
     Vector<uint16_t> str(reinterpret_cast<uint16_t*>(*val),
-                        result_string->Length());
+                        response->Length());
 
     // Set host_running_ correctly for nested debugger evaluations.
     host_running_ = running;