Check reference count of objects

Throw an error if the object reference count reached the limit. Related issue: #118 JerryScript-DCO-1.0-Signed-off-by: László Langó llango.u-szeged@partner.samsung.com
2016-02-11 15:14:40 +00:00
parent 80811c8332
commit 1dde538224
5 changed files with 20 additions and 4 deletions
@@ -211,7 +211,16 @@ ecma_init_gc_info (ecma_object_t *object_p) /**< object */
 void
 ecma_ref_object (ecma_object_t *object_p) /**< object */
 {
-  ecma_gc_set_object_refs (object_p, ecma_gc_get_object_refs (object_p) + 1);
+  uint32_t ref_cnt = ecma_gc_get_object_refs (object_p);
+
+  if (ref_cnt < (uint32_t) CONFIG_ECMA_REFERENCE_COUNTER_LIMIT)
+  {
+    ecma_gc_set_object_refs (object_p, ref_cnt + 1);
+  }
+  else
+  {
+    jerry_fatal (ERR_REF_COUNT_LIMIT);
+  }
 } /* ecma_ref_object */

 /**