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/include/jerryscript-debugger.h

@@ -27,6 +27,15 @@ extern "C"
  * @{
  */
 
+/**
+ * Types for the client source wait and run method.
+ */
+typedef enum
+{
+  JERRY_DEBUGGER_SOURCE_RECEIVE_FAILED = 0, /**< source is not received */
+  JERRY_DEBUGGER_SOURCE_RECEIVED = 1, /**< the source has been received */
+} jerry_debugger_wait_and_run_type_t;
+
 /**
  * Engine debugger functions.
  */
@@ -34,6 +43,7 @@ bool jerry_debugger_is_connected (void);
 void jerry_debugger_stop (void);
 void jerry_debugger_continue (void);
 void jerry_debugger_stop_at_breakpoint (bool enable_stop_at_breakpoint);
+jerry_debugger_wait_and_run_type_t jerry_debugger_wait_and_run_client_source (jerry_value_t *return_value);
 
 void jerry_debugger_init (uint16_t port);
 void jerry_debugger_cleanup (void);