tape_accessors.pl

#!/usr/bin/perl -w

# tape_accessors.pl: generate accessor functions for libspectrum_tape_block
# Copyright (c) 2003 Philip Kendall

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

# Author contact information:

# E-mail: philip-fuse@shadowmagic.org.uk

use strict;

print << "CODE";
/* tape_accessors.c: accessor functions for libspectrum_tape_block
   Copyright (c) 2003 Philip Kendall

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License along
   with this program; if not, write to the Free Software Foundation, Inc.,
   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

   Author contact information:

   E-mail: philip-fuse\@shadowmagic.org.uk

*/

/* NB: this file is autogenerated from $ARGV[0] by $0 */

#include <config.h>

#include "internals.h"
#include "tape_block.h"


CODE

my( $name, $default, $indexed, $pointer, $started );

sub trailer ($) {

    my( $name ) = @_;

    return << "CODE";

        default:
            libspectrum_print_error(LIBSPECTRUM_ERROR_INVALID,
                                    "invalid block type 0x%02x given to %s",
                                    block->type,
                                    __func__);
            return $default;
    }
}


CODE
}

while( <> ) {

    s/#.*$//;

    next if /^\s*$/;

    if( /^\s/ ) {

	my( $type, $member ) = split;

	$member ||= $name;

	printf "        case LIBSPECTRUM_TAPE_BLOCK_%s:\n            return %sblock->types.$type.$member%s;\n",
	    uc $type, $pointer ? '&' : '', $indexed ? '[ index ]' : '';

    } else {

	print trailer( $name ) if $started;

	my $return_type;

	( $return_type, $name, $indexed, $default, $pointer ) = split;

	print "$return_type libspectrum_tape_block_$name(libspectrum_tape_block *block";
	print ', size_t index' if $indexed;
	print ")\n{\n    switch (block->type) {\n\n";

        $started = 1;
    }
}

print trailer( $name ) if $started;