tkgen.c

ARM 嵌入式 系统 设计与实例开发 实验教材 二源码

	switch ( cfg->token )
	{
	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 $tmpvar_dep %d];",
		vartable[cfg->nameindex].name, vartable[cfg->nameindex].name,
		modtoyes );
	    printf( "if {$tmpvar_dep != 1" );
	    if (modtoyes)
		printf( " && $tmpvar_dep != 2" );
	    printf( "} then {configure_entry .menu%d.config.f.x%d disabled {y};",
		menu_num, line_num );
	    printf( "} else {" );
	    printf( "configure_entry .menu%d.config.f.x%d normal {y};",
		menu_num, line_num );
	    printf( "}; " );
	case token_bool:
	    if ( cfg->token == token_bool )
		printf( "\n\t" );
	    printf( "configure_entry .menu%d.config.f.x%d normal {n l",
		menu_num, line_num );
	    if ( cfg->token == token_bool )
		printf( " y" );
	    printf( "}" );
	    printf( "} else {");
	    printf( "configure_entry .menu%d.config.f.x%d disabled {y n l}}\n",
		menu_num, line_num );
	    break;

	case token_choice_header:
	    printf( "configure_entry .menu%d.config.f.x%d normal {x l}",
		menu_num, line_num );
	    printf( "} else {" );
	    printf( "configure_entry .menu%d.config.f.x%d disabled {x l}",
		menu_num, line_num );
	    printf( "}\n" );
	    break;

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

	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 $tmpvar_dep];",
		vartable[cfg->nameindex].name, vartable[cfg->nameindex].name );
	    printf( "\tif {$tmpvar_dep != 1} then {" );
	    printf( "configure_entry .menu%d.config.f.x%d disabled {y}",
		menu_num, line_num );
	    printf( "} else {" );
	    printf( "configure_entry .menu%d.config.f.x%d normal {y}",
		menu_num, line_num );
	    printf( "}; " );
	    printf( "if {$tmpvar_dep == 0} then {" );
	    printf( "configure_entry .menu%d.config.f.x%d disabled {m}",
		menu_num, line_num );
	    printf( "} else {" );
	    printf( "configure_entry .menu%d.config.f.x%d normal {m}",
		menu_num, line_num );
	    printf( "}; " );
	case token_tristate:
	    if ( cfg->token == token_tristate )
	    {
		printf( "\n\tconfigure_entry .menu%d.config.f.x%d normal {y}; ",
		    menu_num, line_num );
	    }
	    printf( "if {($CONFIG_MODULES == 1)} then {" );
	    printf( "configure_entry .menu%d.config.f.x%d normal {m}} else {",
		menu_num, line_num );
	    printf( "configure_entry .menu%d.config.f.x%d disabled {m}}; ",
		menu_num, line_num );
	    printf( "configure_entry .menu%d.config.f.x%d normal {n l}",
		menu_num, line_num );

	/*
	 * Or in a bit to the variable - this causes all of the radiobuttons
	 * to be deselected (i.e. not be red).
	 */
	    printf( "} else {" );
	    printf( "configure_entry .menu%d.config.f.x%d disabled {y n m l}}\n",
		menu_num, line_num );
	    break;

	case token_hex:
	case token_int:
	case token_string:
	    printf( ".menu%d.config.f.x%d.x configure -state normal -foreground [ cget .ref -foreground ]; ",
		menu_num, line_num );
	    printf( ".menu%d.config.f.x%d.l configure -state normal; ",
		menu_num, line_num );
	    printf( "} else {" );
	    printf( ".menu%d.config.f.x%d.x configure -state disabled -foreground [ cget .ref -disabledforeground ]; ",
		menu_num, line_num );
	    printf( ".menu%d.config.f.x%d.l configure -state disabled}\n",
		menu_num, line_num );
	    break;

	case token_comment:
	case token_mainmenu_option:
	    if ( line_num >= 0 )
	    {
		printf( "configure_entry .menu%d.config.f.x%d normal {m}",
		    menu_num, line_num );
		printf( "} else {" );
		printf( "configure_entry .menu%d.config.f.x%d disabled {m}}\n",
		    menu_num, line_num );
	    }
	    else
		printf( ".f0.x%d configure -state normal } else { .f0.x%d configure -state disabled }\n",
		    menu_num, menu_num );
	    break;
	}
    }
    else
    {
	int modtoyes = 0;

	switch ( cfg->token )
	{
	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;