Introduce jsp_label_remove_all_labels interface that removes all jump labels registered at the moment of call for usage upon raise of SyntaxError during parse.

JerryScript-DCO-1.0-Signed-off-by: Ruben Ayrapetyan [email protected]

Author: ruben-ayrapetyan

jerry-core/parser/js/jsp-label.cpp

@@ -47,6 +47,18 @@ jsp_label_finalize (void)
   JERRY_ASSERT (label_set_p == NULL);
 } /* jsp_label_finalize */
 
+/**
+ * Remove all labels
+ *
+ * Note:
+ *      should be used only upon a SyntaxError is raised
+ */
+void
+jsp_label_remove_all_labels (void)
+{
+  label_set_p = NULL;
+} /* jsp_label_remove_all_labels */
+
 /**
  * Add label to the current label set
  */

jerry-core/parser/js/jsp-label.h

@@ -67,6 +67,8 @@ typedef struct jsp_label_t
 extern void jsp_label_init (void);
 extern void jsp_label_finalize (void);
 
+extern void jsp_label_remove_all_labels (void);
+
 extern void jsp_label_push (jsp_label_t *out_label_p, jsp_label_type_flag_t type_mask, token id);
 extern void jsp_label_rewrite_jumps_and_pop (jsp_label_t *label_p, opcode_counter_t break_tgt_oc);