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https://github.com/Perlmint/glew-cmake.git
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81 lines
1.8 KiB
Perl
81 lines
1.8 KiB
Perl
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#!/usr/bin/perl
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#
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# Copyright (C) 2003 Marcelo E. Magallon <mmagallo@debian.org>
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#
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# This program is distributed under the terms and conditions of the GNU
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# General Public License Version 2 as published by the Free Software
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# Foundation or, at your option, any later version.
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use strict;
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use warnings;
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do 'bin/make.pl';
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# token
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sub make_define($$)
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{
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return "#define $_[0] $_[1]"
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}
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# type declaration
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sub make_type($$)
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{
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return "typedef $_[1] $_[0];"
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}
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# function pointer type declaration
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sub make_pfn_type($%)
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{
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our $api;
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return join('', "typedef ", $_[1]->{rtype},
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" ($api * PFN" . (uc $_[0]) . "PROC) ",
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"(" . $_[1]->{parms} . ")") . ";";
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}
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# function name alias
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sub make_pfn_alias($%)
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{
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return join(" ", "#define", $_[0], prefixname($_[0]))
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}
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# function pointer declaration
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sub make_pfn_decl($%)
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{
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return "GLEWAPI PFN" . (uc $_[0]) . "PROC " . prefixname($_[0]) . ";";
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}
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my @extlist = ();
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my %extensions = ();
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our $api = shift;
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if (@ARGV)
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{
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@extlist = @ARGV;
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} else {
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local $/;
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@extlist = split "\n", (<>);
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}
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foreach my $ext (sort @extlist)
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{
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my ($extname, $types, $tokens, $functions, $exacts) = parse_ext($ext);
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make_separator($extname);
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print "#ifndef $extname\n#define $extname 1\n";
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output_tokens($tokens, \&make_define);
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output_types($types, \&make_type);
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output_exacts($exacts, \&make_exact);
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output_decls($functions, \&make_pfn_type);
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output_decls($functions, \&make_pfn_decl);
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output_decls($functions, \&make_pfn_alias);
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my $extvar = $extname;
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my $extvardef = $extname;
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$extvar =~ s/GL(X*)_/GL$1EW_/;
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$extvardef=~ s/(W*)GL(X*)_/\l$1gl\l$2ew_/;
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print "\nGLEWAPI GLboolean $extvar;\n";
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print "#define $extvardef $extvar\n\n";
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print "#endif /* $extname */\n\n";
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}
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