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Commit 8ea13e2c authored by Arnaud Lacombe's avatar Arnaud Lacombe
Browse files

kconfig: implement the `mainmenu' directive 



If specified, the directive must be placed at the top of the Kconfig file.

We need to change the grammar to make the mainmenu directive set the
`rootmenu' prompt. This reflect how menu_add_prompt() works internally, ie.
set the prompt of the `current_entry', pointing originally to `rootmenu'.

Signed-off-by: default avatarArnaud Lacombe <lacombar@gmail.com>
Reviewed-by: default avatarSam Ravnborg <sam@ravnborg.org>
Reviewed-by: default avatarMichal Marek <mmarek@suse.cz>
parent ef211607

Documentation/kbuild/kconfig-language.txt

+2 −1
Original line number Original line Diff line number Diff line
@@ -322,7 +322,8 @@ mainmenu: 
	"mainmenu" <prompt>

	"mainmenu" <prompt>





This sets the config program's title bar if the config program chooses

This sets the config program's title bar if the config program chooses

to use it.

to use it. It should be placed at the top of the configuration, before any

other statement.









Kconfig hints

Kconfig hints

scripts/kconfig/zconf.y

+11 −3
Original line number Original line Diff line number Diff line
@@ -36,7 +36,7 @@ static struct menu *current_menu, *current_entry; 
#define YYERROR_VERBOSE

#define YYERROR_VERBOSE

#endif

#endif

%}

%}

%expect 26

%expect 28





%union

%union

{

{
@@ -104,14 +104,15 @@ static struct menu *current_menu, *current_entry; 
%}

%}





%%

%%

input: stmt_list;

input: nl start | start;



start: mainmenu_stmt stmt_list | stmt_list;





stmt_list:

stmt_list:

	  /* empty */

	  /* empty */

	| stmt_list common_stmt

	| stmt_list common_stmt

	| stmt_list choice_stmt

	| stmt_list choice_stmt

	| stmt_list menu_stmt

	| stmt_list menu_stmt

	| stmt_list T_MAINMENU prompt nl

	| stmt_list end			{ zconf_error("unexpected end statement"); }

	| stmt_list end			{ zconf_error("unexpected end statement"); }

	| stmt_list T_WORD error T_EOL	{ zconf_error("unknown statement \"%s\"", $2); }

	| stmt_list T_WORD error T_EOL	{ zconf_error("unknown statement \"%s\"", $2); }

	| stmt_list option_name error T_EOL

	| stmt_list option_name error T_EOL
@@ -342,6 +343,13 @@ if_block: 
	| if_block choice_stmt

	| if_block choice_stmt

;

;





/* mainmenu entry */



mainmenu_stmt: T_MAINMENU prompt nl

{

	menu_add_prompt(P_MENU, $2, NULL);

};



/* menu entry */

/* menu entry */





menu: T_MENU prompt T_EOL

menu: T_MENU prompt T_EOL