#!/usr/bin/perl
# asmtag
# Author: Shankar Chakkere <shankara@erols.com, schakkere@denro.com>
# Date: 18 Dec 1997
# Status: Working
# Abstract: This script will generate tags for z80 assembly language
# Update:  April 6 ,1998 Add line number instead of regular expression
# Update:  Feb 11 ,1999 Modified to recognise Z80 MACROs (CP/M)
# Usage under DOS: perl c:\bin\asmtag *.vf *.equ *.lib > tags
# Copyright (C) 1999 Shankar Chakkere
#
# 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
# 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., 675 Mass Ave, Cambridge, MA 02139, USA.
#
# Visit http://www.fsf.org for more information

########################################################################

$debug = 0;

print "ARGV:$#ARGV\n" if $debug;

($#ARGV < 0 ) && &usage;

while ($#ARGV >= 0)
{
        $file = $ARGV[0];
        shift(@ARGV);
        print "file:$file\n" if $debug;

        open(FILE, $file) || die "Can't open input file : $file";
        while (<FILE>) 
        {       
                # The equates

		if (/^.*EQU.*/) {
		($tag,@junk) = (split(/EQU/));
		# Remove the trailing space
		$_=$tag;
		($tag,@junk) = (split(/\s/));
        	print "$tag\t$file\t/^$tag/\n";
#4/6/98		print "$tag\t$file\t:$.\n";
		}

		# The label

		elsif (/^\w.*:/) {
		# Anchor the string over the : character
		($tag,@junk) = (split(/:/));
                print "$tag\t$file\t/^$tag/\n";
#4/6/98		print "$tag\t$file\t:$.\n";
		}

#2/11/1999	# The macro

		elsif (/^\w.*MACRO/) {
		# Anchor the string over the : character
		($tag,@junk) = (split('MACRO'));
                print "$tag\t$file\t/^$tag/\n";
		}

        }
close FILE;
}

sub usage
 { 
    die <<EOF
Usage: $0 filespec
EOF
}