#!/usr/bin/perl -w
# Copyright 2013, 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/>.
# Usage: perl grep-duplicate-use.pl
#
use 5.010;
use strict;
use lib::abs '.';
use MyLocatePerl;
use MyStuff;
use MyStuff;
# uncomment this to run the ### lines
#use Smart::Comments;
my $verbose = 0;
my $l = MyLocatePerl->new (exclude_t => 1,
under_directory => '/usr/share/perl5',
# under_directory => '/usr/share/perl/5.14/',
# under_directory => "$ENV{HOME}/p/",
# under_directory => "/usr/share/perl5/Wx/DemoHints/",
);
my $count;
{
while (my ($filename, $content) = $l->next) {
file ($filename, $content);
}
exit 0;
}
sub file {
my ($filename, $str) = @_;
if ($verbose) {
print "$filename\n";
}
# ([A-Za-z0-9_:]*)/mg) {
# [ \t]*
my %seen;
my $package = 'main';
while ($str =~ /^(__END__)|^(use|no|package)[ \t\r\n]+([^;]*)/mg) {
last if $1;
my $type = $2;
my $module = $3;
my $pos = pos($str)-length($module);
$module =~ s/[ \t\r\n]+/ /g;
$module =~ s/^[ \t\r\n]+//g;
$module =~ s/[ \t\r\n]+$//g;
# next if $module eq 'integer'; # pragma
if ($type eq 'package') {
$package = $module;
next;
}
if ($type eq 'no') {
delete $seen{$package}->{$module}; # = 'pragma';
next;
}
if ($seen{$package}->{$module}) {
if ($seen{$package}->{$module} eq 'pragma') { next; }
my ($line, $col) = MyStuff::pos_to_line_and_column ($str, $pos);
print "$filename:$line:$col: (package $package)\n",
MyStuff::line_at_pos($str, $pos);
} else {
$seen{$package}->{$module} = 1;
}
}
}
exit 0;