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kconfig: link menus to a symbol 

Currently, there is no direct link from (struct symbol) to (struct menu).

It is still possible to access associated menus through the P_SYMBOL
property, because property::menu is the relevant menu entry, but it
results in complex code, as seen in get_symbol_str().

Use a linked list for simpler traversal of relevant menus.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
This commit is contained in:
Masahiro Yamada 2024-03-03 13:00:33 +09:00
parent 50a3399817
commit e0492219a6
3 changed files with 12 additions and 1 deletions
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5
scripts/kconfig/expr.h
View File

@ -108,6 +108,9 @@ struct symbol {
*/
tristate visible;
/* config entries associated with this symbol */
struct list_head menus;
/* SYMBOL_* flags */
int flags;
@ -222,6 +225,8 @@ struct menu {
*/
struct symbol *sym;
struct list_head link; /* link to symbol::menus */
/*
* The prompt associated with the node. This holds the prompt for a
* symbol as well as the text for a menu or comment, along with the

4
scripts/kconfig/menu.c
View File

@ -57,8 +57,10 @@ void menu_add_entry(struct symbol *sym)
*last_entry_ptr = menu;
last_entry_ptr = &menu->next;
current_entry = menu;
if (sym)
if (sym) {
menu_add_symbol(P_SYMBOL, sym, NULL);
list_add_tail(&menu->link, &sym->menus);
}
}
struct menu *menu_add_menu(void)

4
scripts/kconfig/symbol.c
View File

@ -15,18 +15,21 @@
struct symbol symbol_yes = {
.name = "y",
.curr = { "y", yes },
.menus = LIST_HEAD_INIT(symbol_yes.menus),
.flags = SYMBOL_CONST|SYMBOL_VALID,
};
struct symbol symbol_mod = {
.name = "m",
.curr = { "m", mod },
.menus = LIST_HEAD_INIT(symbol_mod.menus),
.flags = SYMBOL_CONST|SYMBOL_VALID,
};
struct symbol symbol_no = {
.name = "n",
.curr = { "n", no },
.menus = LIST_HEAD_INIT(symbol_no.menus),
.flags = SYMBOL_CONST|SYMBOL_VALID,
};
@ -838,6 +841,7 @@ struct symbol *sym_lookup(const char *name, int flags)
symbol->name = new_name;
symbol->type = S_UNKNOWN;
symbol->flags = flags;
INIT_LIST_HEAD(&symbol->menus);
hash_add(sym_hashtable, &symbol->node, hash);