Handle PERLIO= and document a bit.

[perl5.git] / keywords.pl

#!/usr/bin/perl

require 'regen_lib.pl';
safer_unlink ("keywords.h");
open(KW, ">keywords.h") || die "Can't create keywords.h: $!\n";
select KW;

print <<EOM;
/*
 *    keywords.h
 *
 *    Copyright (c) 1997-2002, Larry Wall
 *
 *    You may distribute under the terms of either the GNU General Public
 *    License or the Artistic License, as specified in the README file.
 *
 * !!!!!!!   DO NOT EDIT THIS FILE   !!!!!!!
 *  This file is built by keywords.pl from its data.  Any changes made here
 *  will be lost!
 */
EOM

# Read & print data.

$keynum = 0;
while (<DATA>) {
    chop;
    next unless $_;
    next if /^#/;
    ($keyword) = split;
    print &tab(5, "#define KEY_$keyword"), $keynum++, "\n";
}

close KW or die "Error closing keywords.h: $!";

###########################################################################
sub tab {
    local($l, $t) = @_;
    $t .= "\t" x ($l - (length($t) + 1) / 8);
    $t;
}
###########################################################################
__END__

NULL
__FILE__
__LINE__
__PACKAGE__
__DATA__
__END__
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