#!/usr/bin/perl
##
## Copyright (C) 2004, 2003 Marcelo E. Magallon <mmagallo[at]debian org>
## Copyright (C) 2004, 2003 Milan Ikits <milan ikits[at]ieee org>
##
## This program is distributed under the terms and conditions of the GNU
## General Public License Version 2 as published by the Free Software
## Foundation or, at your option, any later version.

use strict;
use warnings;

do 'bin/make.pl';

#---------------------------------------------------------------------------------------

# function pointer definition
sub make_pfn_info($%)
{
    my $name = $_[0];
    return "  glewInfoFunc((const GLubyte*)\"$_[0]\", $name == NULL);";
}

#---------------------------------------------------------------------------------------

my @extlist = ();
my %extensions = ();

if (@ARGV)
{
    @extlist = @ARGV;
} else {
    local $/;
    @extlist = split "\n", (<>);
}

foreach my $ext (sort @extlist)
{
    my ($extname, $exturl, $types, $tokens, $functions, $exacts) = parse_ext($ext);
    my $extvar = $extname;
    $extvar =~ s/GL(X*)_/GL$1EW_/;
    my $extpre = $extname;
    $extpre =~ s/(GLX|GLW|GL).*/$1/;
    $extpre = lc $extpre;

    make_separator($extname);
    print "#ifdef $extname\n\n";
    print "static void _glewInfo_$extname (void)\n{\n";
    if ($extvar =~ /VERSION/)
    {
        print "  glewPrintExt((const GLubyte*)\"$extname\", $extvar, $extvar);\n";
    }
    else
    {
        print "  glewPrintExt((const GLubyte*)\"$extname\", $extvar, $extpre" .
            "ewGetExtension((const GLubyte*)\"$extname\"));\n";
    }
    output_decls($functions, \&make_pfn_info);
    print "}\n\n";
    print "#endif /* $extname */\n\n";
}