glew-cmake/auto/bin/make.pl

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##
## 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.
my %regex = (
extname => qr/^[A-Z][A-Za-z0-9_]+$/,
exturl => qr/^http.+$/,
function => qr/^(.+) ([a-z][a-z0-9_]*) \((.+)\)$/i,
token => qr/^([A-Z][A-Z0-9_x]*)\s+((?:0x)?[0-9A-F]+|[A-Z][A-Z0-9_]*)$/,
type => qr/^typedef\s+(.+)\s+([\*A-Za-z0-9_]+)$/,
exact => qr/.*;$/,
);
# prefix function name with glew
sub prefixname($)
{
my $name = $_[0];
$name =~ s/^(.*)gl/__$1glew/;
return $name;
}
# prefix function name with glew
sub prefix_varname($)
{
my $name = $_[0];
$name =~ s/^(.*)GL(X*)EW/__$1GL$2EW/;
return $name;
}
#---------------------------------------------------------------------------------------
sub make_exact($)
{
my $exact = $_[0];
$exact =~ s/(; |{)/$1\n/g;
return $exact;
}
sub make_separator($)
{
my $extname = $_[0];
my $l = length $extname;
my $s = (71 - $l)/2;
print "/* ";
my $j = 3;
for (my $i = 0; $i < $s; $i++)
{
print "-";
$j++;
}
print " $_[0] ";
$j += $l + 2;
while ($j < 76)
{
print "-";
$j++;
}
print " */\n\n";
}
#---------------------------------------------------------------------------------------
sub parse_ext($)
{
my $filename = shift;
my %functions = ();
my %tokens = ();
my %types = ();
my @exacts = ();
my $extname = "";
my $exturl = "";
open EXT, "<$filename" or return;
while(<EXT>)
{
chomp;
if (/$regex{extname}/)
{
$extname = $_;
next;
}
elsif (/$regex{exturl}/)
{
$exturl = $_;
}
elsif (s/^\s+//)
{
if (/$regex{exact}/)
{
push @exacts, $_;
}
elsif (/$regex{type}/)
{
my ($value, $name) = ($1, $2);
$types{$name} = $value;
}
elsif (/$regex{token}/)
{
my ($name, $value) = ($1, $2);
$tokens{$name} = $value;
}
elsif (/$regex{function}/)
{
my ($return, $name, $parms) = ($1, $2, $3);
$functions{$name} = {
rtype => $return,
parms => $parms,
};
}
}
}
close EXT;
return ($extname, $exturl, \%types, \%tokens, \%functions, \@exacts);
}
sub output_tokens($$)
{
my ($tbl, $fnc) = @_;
if (keys %{$tbl})
{
local $, = "\n";
print "\n";
print map { &{$fnc}($_, $tbl->{$_}) } sort { hex ${$tbl}{$a} <=> hex ${$tbl}{$b} } keys %{$tbl};
print "\n";
}
}
sub output_types($$)
{
my ($tbl, $fnc) = @_;
if (keys %{$tbl})
{
local $, = "\n";
print "\n";
print map { &{$fnc}($_, $tbl->{$_}) } sort { ${$tbl}{$a} cmp ${$tbl}{$b} } keys %{$tbl};
print "\n";
}
}
sub output_decls($$)
{
my ($tbl, $fnc) = @_;
if (keys %{$tbl})
{
local $, = "\n";
print "\n";
print map { &{$fnc}($_, $tbl->{$_}) } sort keys %{$tbl};
print "\n";
}
}
sub output_exacts($$)
{
my ($tbl, $fnc) = @_;
if (scalar @{$tbl})
{
local $, = "\n";
print "\n";
print map { &{$fnc}($_) } sort @{$tbl};
print "\n";
}
}