#!/usr/bin/perl
# SCCS $Id: wslsyn,v 1.13 2002/03/08 12:25:36 dcs0mpw Exp $
#############################################################################
## FermaT Transformation System
## Copyright (C) 2001 Software Migrations Limited.
## Email: Martin.Ward@durham.ac.uk
##
## 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.
#############################################################################
#
##########
##########   wslsyntax file.wsl
##########
##########   Check the syntax of a WSL program.
#

BEGIN {
  $FermaT = $ENV{'FermaT'} || "/usr/local/fermat2";
  $FermaT =~ s/"//g;
  $ds = "/"; $ds = "\\" if ($^O eq "MSWin32");
  unshift(@INC, "$FermaT${ds}config");
}

use fermat;

($myname = $0) =~ s|(.*/)*||;   # strip path component from name
$Usage = "Usage: $myname file.wsl\n";

# Check for one argument:
die $Usage if ($#ARGV < 0);

&parse_args();

$cmd = <<END_OF_INPUT;
(let ((code '()))
  (if (file-exists? "patch.scm")
      (load "patch.scm"))
  (set! code (\@Parse_File "$input" //T_/Statements))
  (if (= 0 //Error_/Count)
      (display-list "Syntax of $input is OK.")
      (display-list "There were " //Error_/Count " syntax errors in $input.")))
END_OF_INPUT

&fermat($cmd);

exit(0);
