Followup changes in JerryScript debugger after #1910.

* Remove 'jerry_debugger_cleaup'. Do it automatically in 'jerry_cleanup'.
* Updated the documentations.
* Updated the NuttX and Artik053 targets.

JerryScript-DCO-1.0-Signed-off-by: László Langó llango.u-szeged@partner.samsung.com

targets/tizenrt-artik053/apps/jerryscript/jerry_main.c

@@ -333,6 +333,8 @@ jerry_cmd_main (int argc, char *argv[])
   const char *file_names[JERRY_MAX_COMMAND_LINE_ARGS];
   int i;
   int files_counter = 0;
+  bool start_debug_server = false;
+  uint16_t debug_port = 5001;
 
   jerry_init_flag_t flags = JERRY_INIT_EMPTY;
 
@@ -372,7 +374,19 @@ jerry_cmd_main (int argc, char *argv[])
     }
     else if (!strcmp ("--start-debug-server", argv[i]))
     {
-      flags |= JERRY_INIT_DEBUGGER;
+      start_debug_server = true;
+    }
+    else if (!strcmp ("--debug-server-port", argv[i]))
+    {
+      if (++i < argc)
+      {
+        debug_port = str_to_uint (argv[i]);
+      }
+      else
+      {
+        jerry_port_log (JERRY_LOG_LEVEL_ERROR, "Error: wrong format or invalid argument\n");
+        return JERRY_STANDALONE_EXIT_CODE_FAIL;
+      }
     }
     else
     {
@@ -382,6 +396,11 @@ jerry_cmd_main (int argc, char *argv[])
 
   jerry_init (flags);
 
+  if (start_debug_server)
+  {
+    jerry_debugger_init (debug_port);
+  }
+
   register_js_function ("assert", jerryx_handler_assert);
   register_js_function ("gc", jerryx_handler_gc);
   register_js_function ("print", jerryx_handler_print);