From: ceriel <none@none>
Date: Mon, 19 Oct 1987 15:35:28 +0000 (+0000)
Subject: fix: there was a problem when more than 2 alternatives started with the same token
X-Git-Tag: release-5-5~3797
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=e2c9a1a96f37a1fb76453e1c89aba7970b7cbbf8;p=ack.git

fix: there was a problem when more than 2 alternatives started with the same token
---

diff --git a/util/LLgen/src/check.c b/util/LLgen/src/check.c
index 685ae8f3c..3292ac9bf 100644
--- a/util/LLgen/src/check.c
+++ b/util/LLgen/src/check.c
@@ -258,6 +258,7 @@ check(p) register p_gram p; {
 "Conflict resolver without conflict");
 				}
 			}
+			if (l->l_flag & PREFERING) propagate(l->l_symbs,p+1);
 			free( (p_mem) temp);
 			retval |= check(l->l_rule);
 			break; }
@@ -448,7 +449,6 @@ resolve(p) register p_gram p; {
 				error(p->g_lineno,"Alternative never chosen");
 			}
 			resolve(l->l_rule);
-			if (l->l_flag & PREFERING) propagate(l->l_symbs,p+1);
 			break; }
 		}
 		p++;