From 9b0f5d439d1e90dc62b51b7bb15650717140710d Mon Sep 17 00:00:00 2001
From: Ruben Ayrapetyan <r.ayrapetyan@samsung.com>
Date: Fri, 19 Jun 2015 00:11:25 +0300
Subject: [PATCH] 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 r.ayrapetyan@samsung.com
---
 jerry-core/parser/js/jsp-label.cpp | 12 ++++++++++++
 jerry-core/parser/js/jsp-label.h   |  2 ++
 2 files changed, 14 insertions(+)

diff --git a/jerry-core/parser/js/jsp-label.cpp b/jerry-core/parser/js/jsp-label.cpp
index 1d2848980..a546b3ce4 100644
--- a/jerry-core/parser/js/jsp-label.cpp
+++ b/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
  */
diff --git a/jerry-core/parser/js/jsp-label.h b/jerry-core/parser/js/jsp-label.h
index dd0543218..d37ef4304 100644
--- a/jerry-core/parser/js/jsp-label.h
+++ b/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);