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tabs.t
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tabs.t
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#! perl
# Copyright (C) 2006-2009, Parrot Foundation.
# $Id$
use strict;
use warnings;
use lib qw( . lib ../lib ../../lib );
use Test::More tests => 1;
use Parrot::Distribution;
=head1 NAME
t/codingstd/tabs.t - checks for tab indents in C source and headers
=head1 SYNOPSIS
# test all files
% prove t/codingstd/tabs.t
# test specific files
% perl t/codingstd/tabs.t src/foo.c include/parrot/bar.h
=head1 DESCRIPTION
Checks that files do not use tabs to indent.
=head1 SEE ALSO
L<docs/pdds/pdd07_codingstd.pod>
=cut
my $DIST = Parrot::Distribution->new;
my @files = @ARGV ? <@ARGV> : $DIST->get_c_language_files();
my @tabs;
foreach my $file (@files) {
# if we have command line arguments, the file is the full path
# otherwise, use the relevant Parrot:: path method
my $path = @ARGV ? $file : $file->path;
open my $fh, '<', $path
or die "Cannot open '$path' for reading: $!\n";
my $line = 1;
# search each line for leading tabs
while (<$fh>) {
if ( $_ =~ m/^ *\t/ ) {
push @tabs => "$path:$line\n";
}
$line++;
}
close $fh;
}
## L<PDD07/Code Formatting/"Indentation must consist only of spaces">
ok( !scalar(@tabs), "tabs in leading whitespace" )
or
diag( "Found tab in leading whitespace " . scalar(@tabs) . " instances. Lines found:\n@tabs" );
# Local Variables:
# mode: cperl
# cperl-indent-level: 4
# fill-column: 100
# End:
# vim: expandtab shiftwidth=4: