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#!/usr/bin/env perl
##
## Copyright (C) 2008-2019, Nigel Stewart <nigels[]users sourceforge net>
## Copyright (C) 2002-2008, Marcelo E. Magallon <mmagallo[]debian org>
## Copyright (C) 2002-2008, Milan Ikits <milan ikits[]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;
use lib '.';
do 'bin/make.pl';
# token
sub make_define($$)
{
return "#define $_[0] $_[1]"
}
# type declaration
sub make_type($$)
{
return "@_;"
}
# function pointer type declaration
sub make_pfn_type($%)
{
our $api;
return join(' ', "typedef", $_[1]->{rtype},
"($api * PFN" . (uc $_[0]) . "PROC)",
"(" . $_[1]->{parms} . ")") . ";";
}
# function name alias
sub make_pfn_alias($%)
{
our $type;
return join(" ", "#define", $_[0], $type . "EW_GET_FUN(" . prefixname($_[0]) . ")")
}
my @extlist = ();
my %extensions = ();
our $api = shift;
our $type = shift;
if (@ARGV)
{
@extlist = @ARGV;
foreach my $ext (sort @extlist)
{
my ($extname, $exturl, $extstring, $reuse, $types, $tokens, $functions, $exacts) = parse_ext($ext);
make_separator($extname);
print "#ifndef $extname\n#define $extname 1\n";
output_tokens($tokens, \&make_define);
output_types($types, \&make_type);
output_exacts($exacts, \&make_exact);
output_decls($functions, \&make_pfn_type);
output_decls($functions, \&make_pfn_alias);
my $extvar = $extname;
$extvar =~ s/GL(X*)_/GL$1EW_/;
print "\n#define $extvar " . $type . "EW_GET_VAR(" . prefix_varname($extvar) . ")\n";
print "\n#endif /* $extname */\n\n";
}
}
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