tkgen.c

嵌入式系统设计与实例开发实验教材二源码 多线程应用程序设计 串行端口程序设计 AD接口实验 CAN总线通信实验 GPS通信实验 Linux内核移植与编译实验 IC卡读写实验 SD驱动使

    case token_choice_header:
	/*
	 * This is funky code -- it fails if there were any conditionals.
	 * Fortunately all the conditionals got stripped off somewhere
	 * else.
	 */
	{
	    struct kconfig * cfg1;
	    for ( cfg1  = cfg->next;
		  cfg1 != NULL && cfg1->token == token_choice_item;
		  cfg1  = cfg1->next )
	    {
		printf("\n\tif { $tmpvar_%d == \"%s\" } then { write_tristate $cfg $autocfg %s 1 [list $notmod] 2 } else { write_tristate $cfg $autocfg %s 0 [list $notmod] 2 }",
		    -(cfg->nameindex), cfg1->label,
		    vartable[cfg1->nameindex].name,
		    vartable[cfg1->nameindex].name );
	    }
	}
	if ( cfg->cond != NULL )
	    printf( "}" );
	printf( "\n" );
	break;

    case token_choice_item:
	fprintf( stderr, "Internal error on token_choice_item\n" );
	exit( 1 );

    case token_comment:
	printf( "write_comment $cfg $autocfg \"%s\"",
	    cfg->label );
	if ( cfg->cond != NULL )
	    printf( "}" );
	printf( "\n" );
	break;

    case token_define_bool:
    case token_define_tristate:
	if ( cfg->cond == NULL )
	{
	    printf( "write_tristate $cfg $autocfg %s $%s [list $notmod] 2\n",
		vartable[cfg->nameindex].name, vartable[cfg->nameindex].name );
	}
	else
	{
	    printf( "write_tristate $cfg $autocfg %s $%s [list $notmod] 2 }\n",
		vartable[cfg->nameindex].name, cfg->value );
	}
	break;

    case token_dep_mbool:
	depmod = 1;
    case token_dep_bool:
    case token_dep_tristate:
	printf( "write_tristate $cfg $autocfg %s $%s [list",
	    vartable[cfg->nameindex].name, vartable[cfg->nameindex].name );
	for ( tmp = cfg->depend; tmp; tmp = tmp->next )
	    printf( " $%s", tmp->name );
	printf( "] %d", depmod );
	if ( cfg->cond != NULL )
	    printf( " }" );
	printf( "\n" );
	break;

    case token_define_hex:
	printf( "write_hex $cfg $autocfg %s %s $notmod",
	    vartable[cfg->nameindex].name, cfg->value );
	if ( cfg->cond != NULL )
	    printf( " }" );
	printf( "\n" );
	break;

    case token_define_int:
	printf( "write_int $cfg $autocfg %s %s $notmod",
	    vartable[cfg->nameindex].name, cfg->value );
	if ( cfg->cond != NULL )
	    printf( " }" );
	printf( "\n" );
	break;

    case token_define_string:
	printf( "write_string $cfg $autocfg %s \"%s\" $notmod",
	    vartable[cfg->nameindex].name, cfg->value );
	if ( cfg->cond != NULL )
	    printf( " }" );
	printf( "\n" );
	break;

    case token_hex:
	printf( "write_hex $cfg $autocfg %s $%s $notmod",
	    vartable[cfg->nameindex].name, vartable[cfg->nameindex].name );
	if ( cfg->cond != NULL )
	    printf( " }" );
	printf( "\n" );
	break;

    case token_int:
	printf( "write_int $cfg $autocfg %s $%s $notmod",
	    vartable[cfg->nameindex].name, vartable[cfg->nameindex].name );
	if ( cfg->cond != NULL )
	    printf( " }" );
	printf( "\n" );
	break;

    case token_string:
	printf( "write_string $cfg $autocfg %s \"$%s\" $notmod",
	    vartable[cfg->nameindex].name, vartable[cfg->nameindex].name );
	if ( cfg->cond != NULL )
	    printf( " }" );
	printf( "\n" );
	break;
    }
}

static void generate_update_var( struct kconfig * scfg, int menu_num )
{
    struct kconfig * cfg;

    if ( menu_num>0 )
    {
	printf( "proc update_define_menu%d {} {\n", menu_num );
	printf( "\tupdate_define_mainmenu\n" );
    }
    else
	printf( "proc update_define_mainmenu {} {\n" );
    clear_globalflags();
    global( "CONFIG_MODULES" );
    vartable[ get_varnum( "CONFIG_MODULES" ) ].global_written = 1;
    for ( cfg = scfg; cfg != NULL; cfg = cfg->next )
    {
	if ( cfg->menu_number == menu_num && (cfg->token == token_define_bool || cfg->token == token_define_tristate
	||   cfg->token == token_define_hex || cfg->token == token_define_int
	||   cfg->token == token_define_string || cfg->token == token_unset 
	||   cfg->token == token_tristate) )
	{
	    if ( ! vartable[cfg->nameindex].global_written )
	    {
		vartable[cfg->nameindex].global_written = 1;
		global( vartable[cfg->nameindex].name );
	    }
	}
    }

    for ( cfg = scfg; cfg != NULL; cfg = cfg->next )
    {
	char tmp[20];
	struct kconfig * cfg1;

	if ( cfg->menu_number == menu_num )
	{
	    switch ( cfg->token )
	    {
	    default:
	    case token_choice_item:
		break;
	    case token_choice_header:
		sprintf( tmp, "tmpvar_%d", -(cfg->nameindex) );
		global( tmp );
		for ( cfg1  = cfg->next;
		      cfg1 != NULL && cfg1->token == token_choice_item;
		      cfg1  = cfg1->next )
		{
		    vartable[cfg1->nameindex].global_written = 1;
		    global( vartable[cfg1->nameindex].name );
		    printf( "\tif {$tmpvar_%d == \"%s\"} then {set %s 1} else {set %s 0}\n",
			-(cfg->nameindex), cfg1->label,
			vartable[cfg1->nameindex].name,
			vartable[cfg1->nameindex].name );
		}
		break;
	    case token_bool:
	    case token_define_bool:
	    case token_define_tristate:
	    case token_define_hex:
	    case token_define_int:
	    case token_define_string:
	    case token_dep_bool:
	    case token_dep_tristate:
	    case token_dep_mbool:
	    case token_int:
	    case token_hex:
	    case token_mainmenu_option:
	    case token_tristate:
	    case token_unset:
		if ( cfg->cond != NULL )
		    generate_if( cfg, cfg->cond, menu_num, -2 );
		else switch ( cfg->token )
		{
		case token_tristate:
		    printf( "\n\tif {($CONFIG_MODULES == 0)} then {if {($%s == 2)} then {set %s 1}}\n",
			vartable[cfg->nameindex].name, vartable[cfg->nameindex].name );
		    break;
		case token_define_bool:
		case token_define_tristate:
		    if ( ! vartable[get_varnum( cfg->value )].global_written )
		    {
			vartable[get_varnum( cfg->value )].global_written = 1;
			global( cfg->value );
		    }
		    printf( "\tset %s $%s\n", vartable[cfg->nameindex].name,
			cfg->value );
		    break;
		case token_define_hex:
		case token_define_int:
		    printf( "\tset %s %s\n", vartable[cfg->nameindex].name,
			cfg->value );
		    break;
		case token_define_string:
		    printf( "\tset %s \"%s\"\n", vartable[cfg->nameindex].name,
			cfg->value );
		    break;
		case token_unset:
		    printf( "\tset %s 4\n", vartable[cfg->nameindex].name );
		default:
		    break;
		}
	    }
	}
    }
    printf( "}\n\n\n" );
}


/*
 * Generates the end of a menu procedure.
 */
static void end_proc( struct kconfig * scfg, int menu_num )
{
    struct kconfig * cfg;
    int i;

    printf( "\n\n\n" );
    printf( "\tfocus $w\n" );
    printf( "\tupdate_active\n" );
    printf( "\tglobal winx; global winy\n" );
    if ( menu_first[menu_num]->menu_number != 0 )
    {
	printf( "\tif {[winfo exists .menu%d] == 0} then ",
		menu_first[menu_num]->menu_number );
	printf( "{menu%d .menu%d \"%s\"}\n",
		menu_first[menu_num]->menu_number, menu_first[menu_num]->menu_number,
		menu_first[menu_first[menu_num]->menu_number]->label );
	printf( "\tset winx [expr [winfo x .menu%d]+30]; set winy [expr [winfo y .menu%d]+30]\n",
		menu_first[menu_num]->menu_number, menu_first[menu_num]->menu_number );
    }
    else
	printf( "\tset winx [expr [winfo x .]+30]; set winy [expr [winfo y .]+30]\n" );
    printf( "\tif {[winfo exists $w]} then {wm geometry $w +$winx+$winy}\n" );

    /*
     * Now that the whole window is in place, we need to wait for an "update"
     * so we can tell the canvas what its virtual size should be.
     *
     * Unfortunately, this causes some ugly screen-flashing because the whole
     * window is drawn, and then it is immediately resized.  It seems
     * unavoidable, though, since "frame" objects won't tell us their size
     * until after an update, and "canvas" objects can't automatically pack
     * around frames.  Sigh.
     */
    printf( "\tupdate idletasks\n" );
    printf( "\tif {[winfo exists $w]} then  {$w.config.canvas create window 0 0 -anchor nw -window $w.config.f\n\n" );
    printf( "\t$w.config.canvas configure \\\n" );
    printf( "\t\t-width [expr [winfo reqwidth $w.config.f] + 1]\\\n" );
    printf( "\t\t-scrollregion \"-1 -1 [expr [winfo reqwidth $w.config.f] + 1] \\\n" );
    printf( "\t\t\t [expr [winfo reqheight $w.config.f] + 1]\"\n\n" );
	 
    /*
     * If the whole canvas will fit in 3/4 of the screen height, do it;
     * otherwise, resize to around 1/2 the screen and let us scroll.
     */
    printf( "\tset winy [expr [winfo reqh $w] - [winfo reqh $w.config.canvas]]\n" );
    printf( "\tset scry [expr [winfo screenh $w] / 2]\n" );
    printf( "\tset maxy [expr [winfo screenh $w] * 3 / 4]\n" );
    printf( "\tset canvtotal [expr [winfo reqh $w.config.f] + 2]\n" );
    printf( "\tif [expr $winy + $canvtotal < $maxy] {\n" );
    printf( "\t\t$w.config.canvas configure -height $canvtotal\n" );
    printf( "\t} else {\n" );
    printf( "\t\t$w.config.canvas configure -height [expr $scry - $winy]\n" );
    printf( "\t\t}\n\t}\n" );

    /*
     * Limit the min/max window size.  Height can vary, but not width,
     * because of the limitations of canvas and our laziness.
     */
    printf( "\tupdate idletasks\n" );
    printf( "\tif {[winfo exists $w]} then {\n\twm maxsize $w [winfo width $w] [winfo screenheight $w]\n" );
    printf( "\twm minsize $w [winfo width $w] 100\n\n" );
    printf( "\twm deiconify $w\n" );
    printf( "}\n}\n\n" );

    /*
     * Now we generate the companion procedure for the menu we just
     * generated.  This procedure contains all of the code to
     * disable/enable widgets based upon the settings of the other
     * widgets, and will be called first when the window is mapped,
     * and each time one of the buttons in the window are clicked.
     */
    printf( "proc update_menu%d {} {\n", menu_num );

    /*
     * Clear all of the booleans that are defined in this menu.
     */
    clear_globalflags();
    for ( cfg = scfg; cfg != NULL; cfg = cfg->next )
    {
	if ( cfg->menu_number == menu_num
	&&   cfg->token != token_mainmenu_option
	&&   cfg->token != token_choice_item )
	{
	    if ( cfg->cond != NULL )
	    {
		int i;
		if ( (cfg->token == token_tristate || cfg->token == token_dep_tristate)
		&& ! vartable[i = get_varnum( "CONFIG_MODULES" )].global_written )
		{
		    global( "CONFIG_MODULES" );
		    vartable[i].global_written = 1;
		}
		generate_if( cfg, cfg->cond, cfg->menu_number, cfg->menu_line );
	    }
	    else
	    {
		if ( cfg->token == token_tristate )
		{
		    if ( ! vartable[cfg->nameindex].global_written )
		    {
			vartable[cfg->nameindex].global_written = 1;
			printf( "\tglobal %s\n", vartable[cfg->nameindex].name );
		    }
		    if ( ! vartable[i = get_varnum( "CONFIG_MODULES" )].global_written )
		    {
			global( "CONFIG_MODULES" );
			vartable[i].global_written = 1;
		    }
		    printf( "\n\tif {($CONFIG_MODULES == 1)} then {configure_entry .menu%d.config.f.x%d normal {m}} else {configure_entry .menu%d.config.f.x%d disabled {m}}\n",
			menu_num, cfg->menu_line,
			menu_num, cfg->menu_line );
		}
	    }
	}
	else if ( cfg->token == token_mainmenu_option
	     &&   cfg->menu_number == menu_num
	     &&   cfg->cond != NULL )
	{
	    generate_if( cfg, cfg->cond, menu_num, cfg->menu_line );
	}
    }
    printf("}\n\n\n");

    generate_update_var( scfg, menu_num );
}

/*
 * This is the top level function for generating the tk script.
 */
void dump_tk_script( struct kconfig * scfg )
{
    int menu_depth;
    int menu_num [64];
    int imenu, i;
    int top_level_num = 0;
    struct kconfig * cfg;
    struct kconfig * cfg1 = NULL;
    const char * name = "No Name";

    /*
     * Mark begin and end of each menu so I can omit submenus when walking
     * over a parent menu.
     */
    tot_menu_num = 0;
    menu_depth   = 0;
    menu_num [0] = 0;

    for ( cfg = scfg; cfg != NULL; cfg = cfg->next )
    {
	switch ( cfg->token )
	{
	default:
	    break;

	case token_mainmenu_name: