Introduce jerry_get_resource_name API function (#3236)

This new API function adds possibility to query the resource name of the currently executed script (including modules) or a function object.
This patch closes #2170.

JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu

jerry-main/main-unix.c

@@ -459,6 +459,7 @@ init_engine (jerry_init_flag_t flags, /**< initialized flags for the engine */
   register_js_function ("assert", jerryx_handler_assert);
   register_js_function ("gc", jerryx_handler_gc);
   register_js_function ("print", jerryx_handler_print);
+  register_js_function ("resourceName", jerryx_handler_resource_name);
 } /* init_engine */
 
 int