#!/usr/bin/perl -w
# Copyright 2011 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/>.
use 5.006;
use strict;
use warnings;
use FindBin;
use Perl6::Slurp;
use lib::abs '.';
use MyLocatePerl;
use MyStuff;
# uncomment this to run the ### lines
#use Smart::Comments;
my $verbose = 0;
my $L_re = qr/L<+([^>]|E<[^>]*>)*?>/;
sub grep_see_also {
my ($filename, $str) = @_;
### $str
$str =~ /^=head1 SEE ALSO.*?(^=head1|\z)/smp or return;
my $see_also_pos = $-[0];
my $see_also_str = ${^MATCH};
### $see_also_str
my %seen;
while ($see_also_str =~ /($L_re)/og) {
my $pos = pos($see_also_str);
my $L = $1;
if ($seen{$L}++) {
my ($line, $col) = MyStuff::pos_to_line_and_column
($str, $see_also_pos+$pos-length($L));
print "$filename:$line:$col: $L\n",
MyStuff::line_at_pos($str, $pos);
}
}
}
if (1) {
require File::Slurp;
my $filename = "$FindBin::Bin/$FindBin::Script";
my $str = Perl6::Slurp::slurp($filename);
grep_see_also ($filename, $str);
# exit 0;
}
my $l = MyLocatePerl->new;
while (my ($filename, $str) = $l->next) {
if ($verbose) { print "look at $filename\n"; }
grep_see_also ($filename, $str);
}
exit 0;
=head1 SEE ALSO
L<Foo>,
L<Foo>