From 0b62c3a7c7548cd447b4f18e0346cc9e74862ab3 Mon Sep 17 00:00:00 2001
From: Martin Mares <mj@ucw.cz>
Date: Fri, 27 Nov 1998 21:32:45 +0000
Subject: Trivial 15-line bison excercise: Implemented expressions including
 user-defined numeric symbols. Whenever possible, use `expr' instead of `NUM'
 to get full express ion power :-)

---
 nest/config.Y | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'nest')

diff --git a/nest/config.Y b/nest/config.Y
index 1de0446..697d43e 100644
--- a/nest/config.Y
+++ b/nest/config.Y
@@ -54,9 +54,10 @@ proto_name:
 
 proto_item:
    /* EMPTY */
- | PREFERENCE NUM {
+ | PREFERENCE expr {
      if ($2 < 0 || $2 > 255) cf_error("Invalid preference");
      this_proto->preference = $2;
+die("pref=%d", $2);
    }
  ;
 
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