tkgen.c

fsmlabs的real time linux的内核

	default:
	    printf( " }\n" );
	    break;

	case token_dep_mbool:
	    modtoyes = 1;
	case token_dep_bool:
	    printf( "\n" );
	    for ( tmp = cfg->depend; tmp; tmp = tmp->next )
		if ( ! vartable[get_varnum( tmp->name )].global_written )
		{
		    global( tmp->name );
		}
	    printf( "\tset tmpvar_dep [effective_dep [list" );
	    for ( tmp = cfg->depend; tmp; tmp = tmp->next )
		printf( " $%s", tmp->name );
	    printf( "]];set %s [sync_bool $%s $tmpvar_dep %d];",
		vartable[cfg->nameindex].name, vartable[cfg->nameindex].name,
		modtoyes );
	case token_bool:
	    if ( cfg->token == token_bool )
		printf( "\n\t" );
	    printf( "set %s [expr $%s&15]",
		vartable[cfg->nameindex].name, vartable[cfg->nameindex].name );
	    printf( "} else {");
	    printf( "set %s [expr $%s|16]}\n",
		vartable[cfg->nameindex].name, vartable[cfg->nameindex].name );
	    break;

	case token_choice_header:
	    printf( "} else {" );
	    for ( cfg1  = cfg->next;
		  cfg1 != NULL && cfg1->token == token_choice_item;
		  cfg1  = cfg1->next )
		printf( "set %s 4;", vartable[cfg1->nameindex].name );
	    printf( "}\n" );
	    break;

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

	case token_define_bool:
	case token_define_tristate:
	    if ( ! vartable[get_varnum( cfg->value )].global_written )
	    {
		global( cfg->value );
	    }
	    printf( "set %s $%s }\n",
		vartable[cfg->nameindex].name, cfg->value );
	    break;

	case token_define_hex:
	case token_define_int:
	    printf( "set %s %s }\n",
		vartable[cfg->nameindex].name, cfg->value );
	    break;

	case token_define_string:
	    printf( "set %s \"%s\" }\n",
		vartable[cfg->nameindex].name, cfg->value );
	    break;

	case token_dep_tristate:
	    printf( "\n" );
	    for ( tmp = cfg->depend; tmp; tmp = tmp->next )
		if ( ! vartable[get_varnum( tmp->name )].global_written )
		{
		    global( tmp->name );
		}
	    printf( "\tset tmpvar_dep [effective_dep [list" );
	    for ( tmp = cfg->depend; tmp; tmp = tmp->next )
		printf( " $%s", tmp->name );
	    printf( "]]; set %s [sync_tristate $%s $tmpvar_dep]; ",
		vartable[cfg->nameindex].name, vartable[cfg->nameindex].name );
	case token_tristate:
	    if ( cfg->token == token_tristate )
		printf( "if {($CONFIG_MODULES == 0) && ($%s == 2)} then {set %s 1}; ",
		    vartable[cfg->nameindex].name,
		    vartable[cfg->nameindex].name );
	/*
	 * Or in a bit to the variable - this causes all of the radiobuttons
	 * to be deselected (i.e. not be red).
	 */
	    printf( "set %s [expr $%s&15]",
		vartable[cfg->nameindex].name, vartable[cfg->nameindex].name );
	    printf( "} else {" );

	/*
	 * Clear the disable bit to enable the correct radiobutton.
	 */
	    printf( "set %s [expr $%s|16]}\n",
		vartable[cfg->nameindex].name, vartable[cfg->nameindex].name );
	    break;

	case token_hex:
	case token_int:
	    if ( cfg->value && *cfg->value == '$' )
	    {
		int index = get_varnum( cfg->value+1 );
		printf( "\n" );
		if ( ! vartable[index].global_written )
		{
		    global( vartable[index].name );
		}
		printf( "\t" );
	    }
	    if ( cfg->token == token_hex )
		printf( "validate_hex " );
	    else if ( cfg->token == token_int )
		printf( "validate_int " );
	    printf( "%s \"$%s\" %s}\n",
		vartable[cfg->nameindex].name, vartable[cfg->nameindex].name,
		cfg->value );
	    break;

	case token_unset:
	    printf( "set %s 4}\n", vartable[cfg->nameindex].name );
	    break;
	}
    }
}


/*
 * Generate a line that writes a variable to the output file.
 */
void generate_writeconfig( struct kconfig * cfg )
{
    struct condition * cond;
    struct dependency * tmp;
    int depmod = 2;
    
    /*
     * Generate global declaration for this symbol.
     */
    if ( cfg->token != token_comment )
    {
	if ( cfg->nameindex > 0 && ! vartable[cfg->nameindex].global_written )
	{
	    vartable[cfg->nameindex].global_written = 1;
	    global( vartable[cfg->nameindex].name );
	}
	if ( cfg->token == token_define_tristate || cfg->token == token_define_bool )
	{
	    if ( ! vartable[get_varnum( cfg->value )].global_written )
	    {
		vartable[get_varnum( cfg->value )].global_written = 1;
		global( cfg->value );
	    }
	}
	else if ( cfg->nameindex <= 0 && cfg->token == token_choice_header )
	{
	    printf( "\tglobal tmpvar_%d\n", -(cfg->nameindex) );
	}
    }

    /*
     * Generate global declarations for the condition chain.
     */
    for ( cond = cfg->cond; cond != NULL; cond = cond->next )
    {
	switch( cond->op )
	{
	default:
	    break;

	case op_variable:
	    if ( ! vartable[cond->nameindex].global_written )
	    {
		vartable[cond->nameindex].global_written = 1;
		global( vartable[cond->nameindex].name );
	    }
	    break;
	}
    }

    /*
     * Generate indentation.
     */
	printf( "\t" );

    /*
     * Generate the conditional.
     */
    if ( cfg->cond != NULL )
    {
	printf( "if {" );
	for ( cond = cfg->cond; cond != NULL; cond = cond->next )
	{
	    switch ( cond->op )
	    {
	    default:           break;
	    case op_bang:      printf( " ! "  ); break;
	    case op_eq:        printf( " == " ); break;
	    case op_neq:       printf( " != " ); break;
	    case op_and:       printf( " && " ); break;
	    case op_and1:      printf( " && " ); break;
	    case op_or:        printf( " || " ); break;
	    case op_lparen:    printf( "("    ); break;
	    case op_rparen:    printf( ")"    ); break;

	    case op_variable:
		printf( "$%s", vartable[cond->nameindex].name );
		break;

	    case op_constant:
		if      ( strcmp( cond->str, "n" ) == 0 ) printf( "0" );
		else if ( strcmp( cond->str, "y" ) == 0 ) printf( "1" );
		else if ( strcmp( cond->str, "m" ) == 0 ) printf( "2" );
		else if ( strcmp( cond->str, "" ) == 0 )  printf( "4" );
		else
		    printf( "\"%s\"", cond->str );
		break;
	    }
	}
	printf( "} then {" );
    }

    /*
     * Generate a procedure call to write the value.
     * This code depends on the write_* procedures in header.tk.
     */
    switch ( cfg->token )
    {
    default:
	if ( cfg->cond != NULL )
	    printf( " }" );
	printf( "\n" );
	break;

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

    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( "\twm geometry $w +$winx+$winy\n" );