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tag: RELEASE_1_6_0
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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;
use Pod::Simple;
=head1 NAME
t/codingstd/c_operator.t - checks spacing around operators in C source
=head1 SYNOPSIS
# test all files
% prove t/codingstd/c_operator.t
# test specific files
% perl t/codingstd/c_operator.t src/foo.c include/parrot/bar.h
=head1 DESCRIPTION
Checks that all C language source files have the proper use of spacing
around operators.
=head1 AUTHOR
Paul Cochrane <paultcochrane at gmail dot com>
=head1 SEE ALSO
L<docs/pdds/pdd07_codingstd.pod>
=cut
my $DIST = Parrot::Distribution->new;
my @files = @ARGV ? <@ARGV> : $DIST->get_c_language_files();
check_operators(@files);
exit;
sub strip_pod {
my $buf = shift;
my $parser = Pod::Simple->new();
my $non_pod_buf;
$parser->output_string( \$non_pod_buf );
# set up a code handler to get at the non-pod
# thanks to Thomas Klausner's Pod::Strip for the inspiration
$parser->code_handler(
sub {
print {$_[2]{output_fh}} $_[0], "\n";
});
$parser->parse_string_document( $buf );
return $non_pod_buf;
}
sub check_operators {
my %comma_space;
foreach my $file (@_) {
my $path = @ARGV ? $file : $file->path();
# skip lex files
next if $path =~ m/\.l$/;
my $buf = $DIST->slurp($path);
# only strip pod from .ops files
if ( $path =~ m/\.ops$/ ) {
$buf = strip_pod($buf);
}
# strip ', ", and C comments
$buf =~ s{ (?:
(?: (') (?: \\\\ | \\' | [^'] )* (') ) # remove ' string
| (?: (") (?: \\\\ | \\" | [^"] )* (") ) # remove " string
| /(\*) .*? (\*)/ # remove C comment
)
}{defined $1 ? "$1$2" : defined $3 ? "$3$4" : "$5$6"}egsx;
my @lines = split( /\n/, $buf );
for my $line (@lines) {
# after a comma there should be one space or a newline
if ( $line =~ m{ ( (?:,) (?! \s ) (?= .+) ) }gx ) {
$comma_space{$path} = undef;
}
}
}
## L<PDD07/Code Formatting"there should be one space or a newline after a comma">/
is( join("\n", keys %comma_space), "", "there should be one space or a newline after a comma" );
}
# Local Variables:
# mode: cperl
# cperl-indent-level: 4
# fill-column: 100
# End:
# vim: expandtab shiftwidth=4:
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