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authorRoman Zippel <zippel@linux-m68k.org>2008-01-14 04:50:23 +0100
committerSam Ravnborg <sam@ravnborg.org>2008-01-28 23:14:39 +0100
commit7a962923359768e04137125bd479fd0dfa6117d3 (patch)
tree9da466ba7ee1806bd40a53496533fc1f0ddd6cc2 /scripts/kconfig/symbol.c
parent0ffce8d94487abbd332cd36f98db61b7c8a3db3c (diff)
downloadlinux-linaro-stable-7a962923359768e04137125bd479fd0dfa6117d3.tar.gz
kconfig: explicitly introduce expression list
Rename E_CHOICE to E_LIST to explicitly add support for expression lists. Add a helper macro expr_list_for_each_sym to more easily iterate over the list. Signed-off-by: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Diffstat (limited to 'scripts/kconfig/symbol.c')
-rw-r--r--scripts/kconfig/symbol.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c
index add068c8e513..a7dfc82fc858 100644
--- a/scripts/kconfig/symbol.c
+++ b/scripts/kconfig/symbol.c
@@ -247,8 +247,7 @@ static struct symbol *sym_calc_choice(struct symbol *sym)
/* just get the first visible value */
prop = sym_get_choice_prop(sym);
- for (e = prop->expr; e; e = e->left.expr) {
- def_sym = e->right.sym;
+ expr_list_for_each_sym(prop->expr, e, def_sym) {
sym_calc_visibility(def_sym);
if (def_sym->visible != no)
return def_sym;
@@ -361,12 +360,14 @@ void sym_calc_value(struct symbol *sym)
}
if (sym_is_choice(sym)) {
+ struct symbol *choice_sym;
int flags = sym->flags & (SYMBOL_CHANGED | SYMBOL_WRITE);
+
prop = sym_get_choice_prop(sym);
- for (e = prop->expr; e; e = e->left.expr) {
- e->right.sym->flags |= flags;
+ expr_list_for_each_sym(prop->expr, e, choice_sym) {
+ choice_sym->flags |= flags;
if (flags & SYMBOL_CHANGED)
- sym_set_changed(e->right.sym);
+ sym_set_changed(choice_sym);
}
}
}
@@ -849,7 +850,7 @@ struct property *prop_alloc(enum prop_type type, struct symbol *sym)
struct symbol *prop_get_symbol(struct property *prop)
{
if (prop->expr && (prop->expr->type == E_SYMBOL ||
- prop->expr->type == E_CHOICE))
+ prop->expr->type == E_LIST))
return prop->expr->left.sym;
return NULL;
}