summaryrefslogtreecommitdiffstats
path: root/discover
diff options
context:
space:
mode:
Diffstat (limited to 'discover')
-rw-r--r--discover/grub2/grub2-lexer.l7
1 files changed, 7 insertions, 0 deletions
diff --git a/discover/grub2/grub2-lexer.l b/discover/grub2/grub2-lexer.l
index 52575e3..81dc5fe 100644
--- a/discover/grub2/grub2-lexer.l
+++ b/discover/grub2/grub2-lexer.l
@@ -23,6 +23,7 @@ void yyerror(struct grub2_parser *parser, const char *fmt, ...);
WORD [^{}|&$;<> \t\n'"#]+
DELIM [ \t]+
+BLANK ["]{2}|[']{2}
VARNAME ([[:alpha:]][_[:alnum:]]*|[0-9]|[\?@\*#])
%%
@@ -52,6 +53,12 @@ VARNAME ([[:alpha:]][_[:alnum:]]*|[0-9]|[\?@\*#])
"until" return TOKEN_UTIL;
"while" return TOKEN_WHILE;
+ /* ignore quoted empty strings */
+{BLANK} {
+ yylval->word = create_word_text(yyget_extra(yyscanner), "");
+ yyget_extra(yyscanner)->inter_word = true;
+ return TOKEN_WORD;
+ }
/* anything that's not a metachar: return as a plain word */
{WORD} {
yylval->word = create_word_text(yyget_extra(yyscanner), yytext);
OpenPOWER on IntegriCloud