#!/usr/bin/perl -w
# Copyright 2012, 2014 Kevin Ryde
# This file is part of Perl-Critic-Pulp.
#
# Perl-Critic-Pulp is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as published
# by the Free Software Foundation; either version 3, or (at your option) any
# later version.
#
# Perl-Critic-Pulp is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
# Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with Perl-Critic-Pulp. If not, see <http://www.gnu.org/licenses/>.
# Look for
# use constant foo => ();
# use constant foo;
# cf t/pragma/constant.
# use constant UNDEF2 => ; # the weird way
# use constant 'UNDEF3' ; # the 'short' way
use 5.005;
use strict;
use warnings;
use lib::abs '.';
use MyLocatePerl;
use MyStuff;
# uncomment this to run the ### lines
#use Smart::Comments;
use constant FOO => ();
use constant BAR => ;
use constant 'ABC';
my $verbose = 0;
my $l = MyLocatePerl->new;
my %seen;
OUTER: while (my ($filename, $str) = $l->next) {
if ($verbose) { print "look at $filename\n"; }
while ($str =~ /(
\buse
\s+
constant
\s+
([0-9.]+\s+)?
\w+
\s*
=>
(
\s*
\(\s*\)
|
\s*;
)
)
/sgx) {
my $pos = pos($str)-1;
my $whole = $1;
next if $seen{$whole}++;
my ($line, $col) = MyStuff::pos_to_line_and_column ($str, $pos);
print "$filename:$line:$col:\n",
MyStuff::line_at_pos($str, $pos);
}
while ($str =~ /(
\buse
\s+
constant
\s+
('|"|qw)
)
/sgx) {
my $pos = pos($str)-1;
my $whole = $1;
next if $seen{$whole}++;
my ($line, $col) = MyStuff::pos_to_line_and_column ($str, $pos);
print "$filename:$line:$col:\n",
MyStuff::line_at_pos($str, $pos);
}
}
exit 0;