From: Paul Eggert <eggert@cs.ucla.edu>
Date: Fri, 29 Nov 2002 08:44:40 +0000 (+0000)
Subject: "," now elicits a warning, rather than being
X-Git-Tag: BISON-1_875~190
X-Git-Url: https://git.saurik.com/bison.git/commitdiff_plain/763ed7a6879a9e57a387bb538607c6be5aa09af4?ds=inline

"," now elicits a warning, rather than being
a token; this is more compatible with byacc.
---

diff --git a/src/scan-gram.l b/src/scan-gram.l
index b7d8b509..2ed043f0 100644
--- a/src/scan-gram.l
+++ b/src/scan-gram.l
@@ -266,11 +266,15 @@ splice	 (\\[ \f\t\v]*\n)*
   "="                     return EQUAL;
   ":"                     rule_length = 0; return COLON;
   "|"                     rule_length = 0; return PIPE;
-  ","                     return COMMA;
   ";"                     return SEMICOLON;
 
   [ \f\n\t\v]  STEP;
 
+  "," {
+    warn_at (*loc, _("stray `,' treated as white space"));
+    STEP;
+  }
+
   {id}        {
     val->symbol = symbol_get (yytext, *loc);
     rule_length++;