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authorRoman Zippel <zippel@linux-m68k.org>2008-02-29 05:11:50 +0100
committerSam Ravnborg <sam@uranus.ravnborg.org>2008-04-28 23:05:48 +0200
commit5a1aa8a1aff6191ecc55f21d8b5f0e47108ed91b (patch)
tree3e812a8027332c872f3ae3afb39212f4f9639361 /scripts/kconfig/zconf.y
parent48981178869bf7d9770f11fc361996ad11217a75 (diff)
downloadlinux-linaro-stable-5a1aa8a1aff6191ecc55f21d8b5f0e47108ed91b.tar.gz
kconfig: add named choice group
As choice dependency are now fully checked, it's quite easy to add support for named choices. This lifts the restriction that a choice value can only appear once, although it still has to be within the same group, but multiple choices can be joined by giving them a name. While at it I cleaned up a little the choice type logic to simplify it a bit. Signed-off-by: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Diffstat (limited to 'scripts/kconfig/zconf.y')
-rw-r--r--scripts/kconfig/zconf.y13
1 files changed, 8 insertions, 5 deletions
diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y
index d9b96ba8e38c..9710b82466f2 100644
--- a/scripts/kconfig/zconf.y
+++ b/scripts/kconfig/zconf.y
@@ -91,7 +91,7 @@ static struct menu *current_menu, *current_entry;
%type <id> end
%type <id> option_name
%type <menu> if_entry menu_entry choice_entry
-%type <string> symbol_option_arg
+%type <string> symbol_option_arg word_opt
%destructor {
fprintf(stderr, "%s:%d: missing end statement for this entry\n",
@@ -239,10 +239,10 @@ symbol_option_arg:
/* choice entry */
-choice: T_CHOICE T_EOL
+choice: T_CHOICE word_opt T_EOL
{
- struct symbol *sym = sym_lookup(NULL, 0);
- sym->flags |= SYMBOL_CHOICE;
+ struct symbol *sym = sym_lookup($2, SYMBOL_CHOICE);
+ sym->flags |= SYMBOL_AUTO;
menu_add_entry(sym);
menu_add_expr(P_CHOICE, NULL, NULL);
printd(DEBUG_PARSE, "%s:%d:choice\n", zconf_curname(), zconf_lineno());
@@ -456,9 +456,12 @@ expr: symbol { $$ = expr_alloc_symbol($1); }
;
symbol: T_WORD { $$ = sym_lookup($1, 0); free($1); }
- | T_WORD_QUOTE { $$ = sym_lookup($1, 1); free($1); }
+ | T_WORD_QUOTE { $$ = sym_lookup($1, SYMBOL_CONST); free($1); }
;
+word_opt: /* empty */ { $$ = NULL; }
+ | T_WORD
+
%%
void conf_parse(const char *name)