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

tests/jerry/regression-test-issue-2105.js

@@ -51,4 +51,4 @@ try {
 /* Check properties of a */
 assert(Object.keys(a) == "one,two");
 /* Check properties of global object */
-assert(Object.keys(this) == "assert,gc,print,a,fail,fail_two");
+assert(Object.keys(this) == "assert,gc,print,resourceName,a,fail,fail_two");