In regen/*.pl, refactor the repeated code for close and rename if different.

[perl5.git] / regen / keywords.pl

#!/usr/bin/perl -w
# 
# Regenerate (overwriting only if changed):
#
#    keywords.h
#
# from information stored in the DATA section of this file.
#
# Accepts the standard regen_lib -q and -v args.
#
# This script is normally invoked from regen.pl.

use strict;

require 'regen/regen_lib.pl';

my $kw = safer_open('keywords.h-new', 'keywords.h');
select $kw;

print read_only_top(lang => 'C', by => 'regen/keywords.pl', from => 'its data',
		    file => 'keywords.h', style => '*',
		    copyright => [1994 .. 1997, 1999 .. 2002, 2005 .. 2007]);

# Read & print data.

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

print $kw "\n/* ex: set ro: */\n";

close_and_rename($kw);

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

NULL
__FILE__
__LINE__
__PACKAGE__
__DATA__
__END__
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