From 326fcc3e12b84a6783efaac833a8d9e813ae1b51 Mon Sep 17 00:00:00 2001
From: Igor Sysoev <igor@sysoev.ru>
Date: Mon, 15 Aug 2016 11:33:37 +0300
Subject: [PATCH] A return statement has been disabled outside of function.

---
 njs/njs_parser.c         | 7 +++++++
 njs/test/njs_unit_test.c | 3 +++
 2 files changed, 10 insertions(+)

diff --git a/njs/njs_parser.c b/njs/njs_parser.c
index 87159da3..c5635f66 100644
--- a/njs/njs_parser.c
+++ b/njs/njs_parser.c
@@ -584,6 +584,13 @@ njs_parser_return_statement(njs_vm_t *vm, njs_parser_t *parser)
     njs_token_t        token;
     njs_parser_node_t  *node;
 
+    if (parser->scope == NJS_SCOPE_GLOBAL) {
+        nxt_alert(&vm->trace, NXT_LEVEL_ERROR,
+                  "SyntaxError: Illegal return statement");
+
+        return NXT_ERROR;
+    }
+
     node = njs_parser_node_alloc(vm);
     if (nxt_slow_path(node == NULL)) {
         return NJS_TOKEN_ERROR;
diff --git a/njs/test/njs_unit_test.c b/njs/test/njs_unit_test.c
index 1fae98b5..9ec00ef0 100644
--- a/njs/test/njs_unit_test.c
+++ b/njs/test/njs_unit_test.c
@@ -3290,6 +3290,9 @@ static njs_unit_test_t  njs_test[] =
 
     /* Functions. */
 
+    { nxt_string("return"),
+      nxt_string("SyntaxError: Illegal return statement in 1") },
+
     { nxt_string("function () { } f()"),
       nxt_string("SyntaxError: Unexpected token \"(\" in 1") },
 
-- 
2.47.3