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author | Jeremy Kerr <jk@ozlabs.org> | 2013-09-17 11:14:18 +0800 |
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committer | Jeremy Kerr <jk@ozlabs.org> | 2013-09-24 13:14:59 +0800 |
commit | a77e8d42cd7b983d9fa5746f07e66a6fe04b6a0d (patch) | |
tree | 8da7723e1c214f7b69c7ff7e37b0e5af97845eac | |
parent | e8a50ad2461a8efaa4d71ea19692a1b63a0f9bc2 (diff) | |
download | talos-petitboot-a77e8d42cd7b983d9fa5746f07e66a6fe04b6a0d.tar.gz talos-petitboot-a77e8d42cd7b983d9fa5746f07e66a6fe04b6a0d.zip |
discover/grub2: Implement submenu
Just recurse into the submenu items, as we flatten everything into the
one menu.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
-rw-r--r-- | discover/grub2/lexer.l | 1 | ||||
-rw-r--r-- | discover/grub2/parser.y | 7 |
2 files changed, 8 insertions, 0 deletions
diff --git a/discover/grub2/lexer.l b/discover/grub2/lexer.l index 6c0a456..6ed12ce 100644 --- a/discover/grub2/lexer.l +++ b/discover/grub2/lexer.l @@ -47,6 +47,7 @@ VARNAME ([[:alpha:]][_[:alnum:]]*|[0-9]|[\?@\*#]) "in" return TOKEN_IN; "menuentry" return TOKEN_MENUENTRY; "select" return TOKEN_SELECT; +"submenu" return TOKEN_SUBMENU; "then" return TOKEN_THEN; "time" return TOKEN_TIME; "until" return TOKEN_UTIL; diff --git a/discover/grub2/parser.y b/discover/grub2/parser.y index bcf5935..859eba3 100644 --- a/discover/grub2/parser.y +++ b/discover/grub2/parser.y @@ -39,6 +39,7 @@ static void yyerror(struct grub2_parser *, char const *s); %token TOKEN_IN "in" %token TOKEN_MENUENTRY "menuentry" %token TOKEN_SELECT "select" +%token TOKEN_SUBMENU "submenu" %token TOKEN_THEN "then" %token TOKEN_TIME "time" %token TOKEN_UTIL "until" @@ -103,6 +104,12 @@ statement: TOKEN_EOL { TOKEN_EOL { $$ = create_statement_menuentry(parser, $3, $6); } + | "submenu" TOKEN_DELIM words TOKEN_DELIM + '{' statements '}' + TOKEN_EOL { + /* we just flatten everything */ + $$ = create_statement_block(parser, $6); + } words: word { $$ = create_argv(parser); |