Add source sending feature to the debugger. (#1932)

With this feature the debugger webIDE and the python client can able to send a source code to the debugger while that is running in wait mode.
This feature can be activated with the --debugger-wait-source switch and the debugger will wait for the source messages.
If every message part are received the debugger will continue the exectuion with the initalized options.

JerryScript-DCO-1.0-Signed-off-by: Imre Kiss kissi.szeged@partner.samsung.com

jerry-core/debugger/debugger-ws.c

@@ -44,6 +44,13 @@
  */
 #define JERRY_DEBUGGER_WEBSOCKET_MASK_SIZE 4
 
+/**
+ *
+ */
+#define JERRY_DEBUGGER_RECEIVE_DATA_MODE \
+  (JERRY_DEBUGGER_BREAKPOINT_MODE | JERRY_DEBUGGER_CLIENT_SOURCE_MODE)
+
+
 /**
  * Header for incoming packets.
  */
@@ -433,16 +440,18 @@ JERRY_STATIC_ASSERT (JERRY_DEBUGGER_MAX_RECEIVE_SIZE < 126,
  *         false - otherwise
  */
 bool
-jerry_debugger_receive (void)
+jerry_debugger_receive (jerry_debugger_uint8_data_t **message_data_p) /**< [out] data received from client */
 {
   JERRY_ASSERT (JERRY_CONTEXT (debugger_flags) & JERRY_DEBUGGER_CONNECTED);
 
+  JERRY_ASSERT (message_data_p != NULL ? (JERRY_CONTEXT (debugger_flags) & JERRY_DEBUGGER_RECEIVE_DATA_MODE)
+                                       : !(JERRY_CONTEXT (debugger_flags) & JERRY_DEBUGGER_RECEIVE_DATA_MODE));
+
   JERRY_CONTEXT (debugger_message_delay) = JERRY_DEBUGGER_MESSAGE_FREQUENCY;
 
   uint8_t *recv_buffer_p = JERRY_CONTEXT (debugger_receive_buffer);
   bool resume_exec = false;
   uint8_t expected_message_type = 0;
-  void *message_data = NULL;
 
   while (true)
   {
@@ -532,7 +541,7 @@ jerry_debugger_receive (void)
                                          message_size,
                                          &resume_exec,
                                          &expected_message_type,
-                                         &message_data))
+                                         message_data_p))
     {
       return true;
     }