#!/usr/bin/perl -w
# Copyright 2011, 2012 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/>.
# Usage: perl grep-ampersand-call.pl
#
# Look for &foo calls, without parens.
#
use 5.010;
use strict;
use lib::abs '.';
use MyLocatePerl;
use MyStuff;
# uncomment this to run the ### lines
#use Smart::Comments;
sub foo {}
&foo;
my $verbose = 0;
my $l = MyLocatePerl->new;
my $count;
{
my $filename = 'devel/grep-ampersand-call.pl';
my $content = eval { Perl6::Slurp::slurp ($filename) } || next;
file ($filename, $content);
}
{
while (my ($filename, $content) = $l->next) {
file ($filename, $content);
}
exit 0;
}
# regexp for qualified name Foo::Bar::quux
# this must hide in Regexp::Common somewhere surely?
my $word;
BEGIN { $word = qr/[_[:alpha:]](?:[_:[:alnum:]]*[_[:alnum:]])?/o; }
sub file {
my ($filename, $str) = @_;
if ($verbose) {
print "$filename\n";
}
if ($str =~ /^__END__/m) {
substr ($str, $-[0], length($str), '');
}
while ($str =~ /(\bdefined\s*(?:\s|\(+)|')?(\\+)?\&$word\s*(.)/sgo) {
next if defined $1;
next if defined $2;
my $pos = pos($str);
my $after = $3;
next if $after =~ /[;(]/;
my ($line, $col) = MyStuff::pos_to_line_and_column ($str, $pos);
print "$filename:$line:$col: ampersand call no parens '$after'\n",
MyStuff::line_at_pos($str, $pos);
}
}
exit 0;