discover/grub2: Improve error handling

[petitboot] / discover / grub2 / lexer.l

diff --git a/discover/grub2/lexer.l b/discover/grub2/lexer.l
index ab26f4be2e1b465e5522d02299b3703ef3465e5e..6c0a456e6503137f2be5c466e2b57d396fc3d33e 100644 (file)
--- a/discover/grub2/lexer.l
+++ b/discover/grub2/lexer.l
@@ -6,11 +6,13 @@
 %}
 
 %option nounput noinput
+%option batch never-interactive
 %option warn
 %option noyywrap
 %option stack noyy_top_state
 %option reentrant
 %option bison-bridge
+%option yylineno
 %option noyyalloc noyyfree noyyrealloc
 %option extra-type="struct grub2_parser *"
 %option header-file="lexer.h"
@@ -36,6 +38,7 @@ VARNAME ([[:alpha:]][_[:alnum:]]*|[0-9]|[\?@\*#])
 "do"         return TOKEN_DO;
 "done"       return TOKEN_DONE;
 "elif"       return TOKEN_ELIF;
+"else"       return TOKEN_ELSE;
 "esac"       return TOKEN_ESAC;
 "fi"         return TOKEN_FI;
 "for"        return TOKEN_FOR;