[njs] Function declaration should return "undefined".

[Igor Sysoev]

details:   http://hg.nginx.org/njs/rev/ada17c8bdd5a
branches:  
changeset: 332:ada17c8bdd5a
user:      Igor Sysoev <igor at sysoev.ru>
date:      Tue Apr 04 10:47:12 2017 +0300
description:
Function declaration should return "undefined".

diffstat:

 njs/njs_generator.c      |  7 ++++---
 njs/test/njs_unit_test.c |  6 ++++++
 2 files changed, 10 insertions(+), 3 deletions(-)

diffs (33 lines):

diff -r 26e0ebd97454 -r ada17c8bdd5a njs/njs_generator.c
--- a/njs/njs_generator.c	Tue Apr 04 06:16:49 2017 +0300
+++ b/njs/njs_generator.c	Tue Apr 04 10:47:12 2017 +0300
@@ -1261,9 +1261,10 @@ njs_generate_stop_statement(njs_vm_t *vm
         stop->code.retval = NJS_VMCODE_NO_RETVAL;
 
         index = NJS_INDEX_NONE;
-
-        if (node->right != NULL) {
-            index = node->right->index;
+        node = node->right;
+
+        if (node != NULL && node->token != NJS_TOKEN_FUNCTION) {
+            index = node->index;
         }
 
         if (index == NJS_INDEX_NONE) {
diff -r 26e0ebd97454 -r ada17c8bdd5a njs/test/njs_unit_test.c
--- a/njs/test/njs_unit_test.c	Tue Apr 04 06:16:49 2017 +0300
+++ b/njs/test/njs_unit_test.c	Tue Apr 04 10:47:12 2017 +0300
@@ -4199,6 +4199,12 @@ static njs_unit_test_t  njs_test[] =
     { nxt_string("function () { } f()"),
       nxt_string("SyntaxError: Unexpected token \"(\" in 1") },
 
+    { nxt_string("function f() { }"),
+      nxt_string("undefined") },
+
+    { nxt_string("var x; function f() { }"),
+      nxt_string("undefined") },
+
     { nxt_string("function f() { } f()"),
       nxt_string("undefined") },