Commit 263e70bc authored by Masahiro Yamada's avatar Masahiro Yamada
Browse files

kconfig: add a function to dump all menu entries in a tree-like format 



This is useful for debugging purposes. menu_finalize() re-parents menu
entries, and this function can be used to dump the final structure of
the menu tree.

Signed-off-by: default avatarMasahiro Yamada <masahiroy@kernel.org>
parent 65056488

scripts/kconfig/lkc.h

+1 −0
Original line number Diff line number Diff line
@@ -102,6 +102,7 @@ struct menu *menu_get_menu_or_parent_menu(struct menu *menu); 
int get_jump_key_char(void);

struct gstr get_relations_str(struct symbol **sym_arr, struct list_head *head);

void menu_get_ext_help(struct menu *menu, struct gstr *help);

void menu_dump(void);



/* symbol.c */

void sym_clear_all_valid(void);

scripts/kconfig/menu.c

+74 −0
Original line number Diff line number Diff line
@@ -788,3 +788,77 @@ void menu_get_ext_help(struct menu *menu, struct gstr *help) 
	if (sym)

		get_symbol_str(help, sym, NULL);

}



/**

 * menu_dump - dump all menu entries in a tree-like format

 */

void menu_dump(void)

{

	struct menu *menu = &rootmenu;

	unsigned long long bits = 0;

	int indent = 0;



	while (menu) {



		for (int i = indent - 1; i >= 0; i--) {

			if (bits & (1ULL << i)) {

				if (i > 0)

					printf("|   ");

				else

					printf("|-- ");

			} else {

				if (i > 0)

					printf("    ");

				else

					printf("`-- ");

			}

		}



		switch (menu->type) {

		case M_CHOICE:

			printf("choice \"%s\"\n", menu->prompt->text);

			break;

		case M_COMMENT:

			printf("comment \"%s\"\n", menu->prompt->text);

			break;

		case M_IF:

			printf("if\n");

			break;

		case M_MENU:

			printf("menu \"%s\"", menu->prompt->text);

			if (!menu->sym) {

				printf("\n");

				break;

			}

			printf(" + ");

			/* fallthrough */

		case M_NORMAL:

			printf("symbol %s\n", menu->sym->name);

			break;

		}

		if (menu->list) {

			bits <<= 1;

			menu = menu->list;

			if (menu->next)

				bits |= 1;

			else

				bits &= ~1;

			indent++;

			continue;

		}



		while (menu && !menu->next) {

			menu = menu->parent;

			bits >>= 1;

			indent--;

		}



		if (menu) {

			menu = menu->next;

			if (menu->next)

				bits |= 1;

			else

				bits &= ~1;

		}

	}

}