#!/usr/bin/perl
#
# @(#)g10translator     1998-03-26
#
# G. Großmann, SAP AG
#
#
#    ========== licence begin  GPL
#    Copyright (C) 2001 SAP AG
#
#    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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
#    ========== licence end
#

package g10translator;
use File::Basename;
use File::Copy;
use FileHandle;
use ICopy;
#use strict;

#use vars qw( $srcfile $outfile $path $name $suffix);

die "usage \"g10translator filenmame\"\n" if !@ARGV;

$srcfile = ICopy::GetFilePath(@ARGV[0], 0, 1, 1);

die "Source doesn't exist!\n" if !$srcfile;
if ( $srcfile =~ /^vgg10/ )
{
    caller() ? return(0) : exit(0) ;
}
local $ticks;
($name,$path,$suffix) = fileparse($srcfile, '\..+');
if (( $suffix=~ /\.(cpp|h)/i ) or ( $name =~ /^(v|g|h|i)[a-z]{2,}[0-9]{2,}[a-z]*[c|x]$/i ))
{ $ticks = "\"" } else { $ticks = "'" }

local $Modulname = uc($name) . " "x(6-length($name));
$Modulname = substr($Modulname, 0, 6 ) if (length($Modulname) > 6 ) ;
$outfile = "$path"."tmp_$name.$suffix";

($file_out = new FileHandle $outfile, "w") or die "Can't open $outfile (output): $!\n";
($file_in  = new FileHandle $srcfile, "r") or die "Can't open $srcfile (input): $!\n";

# check for Module Frame
$/ = ".CM";
$_ = <$file_in>;
if ( !eof($file_in) )
{
    # module frame found, track down code section
    $file_out->print($_);
    $/ = "Code";
    $_ = <$file_in>;
    do { $file_in->close; die "No CODE section found\n" } if eof($file_in);
    $file_out->print($_);
}
else
{
    $file_in->seek(0, 0);
}
$/ = "(";

local ($FunctionParms, $counter);
$counter = 0;
while(<$file_in>)
{
    if ( /(g10fil|g10mv|g10mvaux)[^(]+\(/i )
    {
        $counter++;
        $file_out->print($_);
        $FunctionParms = GetFuncParameters();
        $file_out->print($FunctionParms);
    }
    else
    {
        $file_out->print($_);
    }
}

$file_in->close;
$file_out->close;

unlink "$srcfile.bak";
rename($srcfile, "$srcfile.bak") or warn "Can't backup $srcfile: $!\n";
rename($outfile, $srcfile) or warn "Can't rename $outfile to $srcfile: $!\n";

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

sub GetFuncParameters {

    my ($BracketDepth, $inpchar, $parameters);
    $BracketDepth = 1;

    do
    {
        $inpchar = $file_in->getc;
        $parameters .= $inpchar;
        $BracketDepth++ if $inpchar eq "(";
        $BracketDepth-- if $inpchar eq ")";
    }
    until ( $BracketDepth == 0 );
    $parameters =~ s/(.*?),(.*?),/$ticks$Modulname$ticks, $counter,/s;

    return $parameters;
}
