Index: src/dgp.old/dgc
===================================================================
--- src/dgp.old/dgc	(revision e7de6cc88c605c4f810cbc852e843294b4b0e8ac)
+++ src/dgp.old/dgc	(revision e7de6cc88c605c4f810cbc852e843294b4b0e8ac)
@@ -0,0 +1,292 @@
+#!/usr/bin/perl
+
+#package:	UAM Text Tools
+#component:	dgc (dg compiler)
+#version:	1.0
+#author:	Tomasz Obrebski
+
+# wymaga niejawnie programu canonize!!!!
+use lib "/usr/local/lib/utt";
+use lib "$ENV{'HOME'}/.local/lib/utt";
+
+use strict;
+use Getopt::Long;
+use Data::Dumper;
+use attr;
+use File::HomeDir;
+
+my $systemconfigfile='/usr/local/etc/utt/dgc.conf';
+my $userconfigfile=home()."/.utt/dgc.conf";
+
+Getopt::Long::Configure('no_ignore_case_always');
+
+my $help=0;
+my $catfile=0;
+my $dicfile=0;
+my $gramfile=0;
+my $outputfile=0;
+
+#read configuration files###########################
+my $file;
+foreach $file ($systemconfigfile, $userconfigfile){
+  if(open(CONFIG, $file)){
+        while (<CONFIG>) {
+                chomp;
+                s/#.*//;
+                s/^\s+//;
+                s/\s+$//;
+                next unless length;
+                my ($name, $value) = split(/\s*=\s*/, $_, 2);
+                if(($name eq "categories")or($name eq "c")){
+                        $catfile=$value;
+                }
+                elsif(($name eq "dictionary")or($name eq "d")){
+                        $dicfile=$value;
+                }
+                elsif(($name eq "grammar")or($name eq "g")){
+                        $gramfile=$value;
+                }
+                elsif(($name eq "outputfile")or($name eq "o")){
+                        $outputfile=$value;
+                }
+                elsif(($name eq "help")or($name eq "h")){
+                        $help=1;
+                }
+
+        }
+        close CONFIG;
+  }
+}
+#########################################################
+
+GetOptions("help|h" => \$help,
+	   "categories|c=s" => \$catfile,
+	   "dictionary|d=s" => \$dicfile,
+	   "grammar|g=s" => \$gramfile,
+	   "outputfile|o=s" => \$outputfile);
+
+my $homedir = $ENV{'HOME'};
+$catfile =~ s/~/$homedir/;
+$dicfile =~ s/~/$homedir/;
+$gramfile =~ s/~/$homedir/;
+$outputfile =~ s/~/$homedir/;
+
+
+if($help)
+{
+    print <<'END'
+Usage: dgc [OPTIONS]
+
+Options:
+   --categories -c filename	List of syntactic categories.
+   --dictionary -d filename     Dictionary.
+   --grammar -g filename	List of grammar rules.
+   --outputfile -o filename	Output file name.
+   --help -h			Help.
+END
+;
+    exit 0;
+}
+
+die("At least one of --cats and --dic must be given.\n") if !$catfile && !$dicfile;
+
+my $ncat=0;
+my $nrole=0;
+my $nsgl=0;
+my $nleft=0;
+my $nright=0;
+my $nreq=0;
+my $nlink=0;
+my $nflag=0;
+
+my %cats;
+my %roles;
+my %agr;
+my %gov;
+
+if(!$outputfile) {
+	*OUTPUT = *STDOUT;
+}
+elsif($outputfile eq "-") {
+    *OUTPUT = *STDOUT;
+}
+else {
+	open(OUTPUT, ">$outputfile") or die("Can't open output file: $outputfile!");
+}
+
+
+loadcats($catfile) if $catfile;
+extractcats($dicfile) if $dicfile;
+
+
+my $cats_re = qr/(?:$attr::cat_re\s*(?:,\s*$attr::cat_re)*)/;
+
+# class parse_class:
+# /$attr::cat_re/g;
+
+
+if(!$gramfile) { 
+	*INPUT = *STDIN;
+}
+elsif($gramfile eq "-"){
+    *INPUT = *STDIN;
+}
+else {
+	open(INPUT, $gramfile) or die("Unable to open: $gramfile!");
+}
+
+while(<INPUT>)
+{
+    s/#.*//;
+    s/^\s+//;
+    s/\s+$//;
+    if(/^AGR\s+(\S+)\s+(\S+)$/)
+    {
+	push @{$agr{$1}}, $2;
+    }
+    elsif(/^GOV\s+(\S+)\s+(\S+)$/)
+    {
+	push @{$gov{$1}}, attr::parse($2);
+    }
+    elsif(/^ROLE\s+\S+$/)
+    {
+	$roles{$_}=1;
+	print OUTPUT "$_\n";
+    }
+    elsif(/^SGL\s+\S+$/)
+    {
+	++$nsgl;
+	print OUTPUT "$_\n";
+    }
+    elsif(/^REQ\s+(\S+)\s+(\S+)$/)
+    {
+	print OUTPUT "#$_\n";
+	my $cat = attr::parse $1;
+	for my $atomcat (keys %cats)
+	{
+	    if(attr::match @$cat, @{$cats{$atomcat}})
+	    {
+		print OUTPUT "REQ ".$atomcat." $2\n";
+		++$nreq;
+	    }
+	}
+    }
+    elsif(/^LEFT\s+\S+$/)
+    {
+	++$nleft;
+	print OUTPUT "$_\n";
+    }
+    elsif(/^RIGHT\s+\S+$/)
+    {
+	++$nright;
+	print OUTPUT "$_\n";
+    }
+    elsif(my ($hs,$ds,$r) = /^LINK\s+($cats_re)\s+($cats_re)\s+(\S+)$/)
+    {
+	print OUTPUT "#$_\n";
+	for my $h ($hs =~ /$attr::cat_re/g)
+	{
+	    for my $d ($ds =~ /$attr::cat_re/g)
+	    {
+		addlinks($h,$d,$r);
+	    }
+	}
+    }
+    elsif(/^FLAG\s+\S+$/)
+    {
+	++$nflag;
+	print OUTPUT "$_\n"
+    }
+    elsif(/^$/) {
+	# pomijamy puste linie oraz komentarze
+	}
+	else
+    {
+	print STDERR "Illegal format: $_\n";
+    }
+}
+
+
+sub addlinks
+{
+    my ($h,$d,$r) = @_;
+
+    for my $a (@{$agr{$r}}) { print OUTPUT "#AGR $r $a\n"; }
+    for my $c (@{$gov{$r}}) { print OUTPUT "#GOV $r ".attr::unparse(@$c)."\n"; }
+    my $head = attr::parse $h;
+    my $dep = attr::parse $d;
+    
+    for my $atomhead (keys %cats)
+    {
+	if(attr::match @$head, @{$cats{$atomhead}})
+	{
+	  DEP:
+	    for my $atomdep (keys %cats)
+	    {
+		next DEP if ! attr::match @$dep, @{$cats{$atomdep}};
+		
+		for my $a (@{$agr{$r}})
+		{
+		    next DEP if ! attr::agree(@{$cats{$atomhead}},@{$cats{$atomdep}},$a);
+		}
+		
+		for my $c (@{$gov{$r}})
+		{
+		    next DEP if ! attr::match(@$c,@{$cats{$atomdep}});
+		}
+		
+		print OUTPUT "LINK ";
+		print OUTPUT $atomhead." ";
+		print OUTPUT $atomdep." $r\n";
+		++$nlink;
+		
+	    }
+	}
+    }
+}
+
+
+printf STDERR "%6d CAT   statements\n", 0+keys(%cats);
+printf STDERR "%6d ROLE  statements\n", 0+keys(%roles);
+printf STDERR "%6d SGL   statements\n", $nsgl;
+printf STDERR "%6d REQ   statements\n", $nreq;
+printf STDERR "%6d LEFT  statements\n", $nleft;
+printf STDERR "%6d RIGHT statements\n", $nright;
+printf STDERR "%6d LINK  statements\n", $nlink;
+printf STDERR "%6d FLAG  statements\n", $nflag;
+
+
+sub extractcats
+{
+    my $file = shift;
+    open DICFILE, "canonize $file |";
+    while(<DICFILE>)
+    {
+	while(/,([^[:space:];]+)/g)
+	{
+	    my $cat=$1;
+	    next if !$cat || exists $cats{$cat};
+	    $ncat++;
+	    print OUTPUT "CAT $1\n";
+	    $cats{$cat}=attr::parse($cat);
+	}
+    }
+    close DICFILE;
+}
+
+
+sub loadcats
+{
+    my $file = shift;
+    open CATFILE, "canonize $file |";
+    while(<CATFILE>)
+    {
+	tr/ \t\n//d;
+	next if !$_ || exists $cats{$_};
+	print OUTPUT "CAT $_\n";
+	++$ncat;
+	$cats{$_}=attr::parse($_);
+    }
+    close CATFILE;
+}
+