linux-kernel - Re: [PATCH v2] kconfig: Create links to main menu items in search

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Date:   Fri, 24 Sep 2021 21:00:19 +0300
From:   Ariel Marcovitch <arielmarcovitch@...il.com>
To:     masahiroy@...nel.org
Cc:     linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] kconfig: Create links to main menu items in search

On 13/09/2021 19:45, Ariel Marcovitch wrote:
> When one searches for a main menu item, links aren't created for it like
> with the rest of the symbols.
>
> This happens because we trace the item until we get to the rootmenu, but
> we don't include it in the path of the item. The rationale was probably
> that we don't want to show the main menu in the path of all items,
> because it is redundant.
>
> However, when an item has only the rootmenu in its path it should be
> included, because this way the user can jump to its location.
>
> Add a 'Main menu' entry in the 'Location:' section for the kconfig
> items.
>
> This makes the 'if (i > 0)' superfluous because each item with prompt
> will have at least one menu in its path.
>
> Signed-off-by: Ariel Marcovitch <arielmarcovitch@...il.com>
> ---
>   scripts/kconfig/menu.c | 33 ++++++++++++++++++---------------
>   1 file changed, 18 insertions(+), 15 deletions(-)
>
> diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
> index 606ba8a63c24..3d6f7cba8846 100644
> --- a/scripts/kconfig/menu.c
> +++ b/scripts/kconfig/menu.c
> @@ -728,7 +728,7 @@ static void get_prompt_str(struct gstr *r, struct property *prop,
>   		get_dep_str(r, prop->visible.expr, "  Visible if: ");
>   
>   	menu = prop->menu->parent;
> -	for (i = 0; menu != &rootmenu && i < 8; menu = menu->parent) {
> +	for (i = 0; menu && i < 8; menu = menu->parent) {
>   		bool accessible = menu_is_visible(menu);
>   
>   		submenu[i++] = menu;
> @@ -758,21 +758,24 @@ static void get_prompt_str(struct gstr *r, struct property *prop,
>   		list_add_tail(&jump->entries, head);
>   	}
>   
> -	if (i > 0) {
> -		str_printf(r, "  Location:\n");
> -		for (j = 4; --i >= 0; j += 2) {
> -			menu = submenu[i];
> -			if (jump && menu == location)
> -				jump->offset = strlen(r->s);
> -			str_printf(r, "%*c-> %s", j, ' ',
> -				   menu_get_prompt(menu));
> -			if (menu->sym) {
> -				str_printf(r, " (%s [=%s])", menu->sym->name ?
> -					menu->sym->name : "<choice>",
> -					sym_get_string_value(menu->sym));
> -			}
> -			str_append(r, "\n");
> +	str_printf(r, "  Location:\n");
> +	for (j = 4; --i >= 0; j += 2) {
> +		menu = submenu[i];
> +		if (jump && menu == location)
> +			jump->offset = strlen(r->s);
> +
> +		if (menu == &rootmenu)
> +			/* The real rootmenu prompt is ugly */
> +			str_printf(r, "%*cMain menu", j, ' ');
> +		else
> +			str_printf(r, "%*c-> %s", j, ' ', menu_get_prompt(menu));
> +
> +		if (menu->sym) {
> +			str_printf(r, " (%s [=%s])", menu->sym->name ?
> +				menu->sym->name : "<choice>",
> +				sym_get_string_value(menu->sym));
>   		}
> +		str_append(r, "\n");
>   	}
>   }
>   
>
> base-commit: a9086b878b7fd65894eb8cb1fa395dd469970566
A friendly ping :)