NAME

B::Debug - Walk Perl syntax tree, printing debug info about ops

SYNOPSIS

        perl -MO=Debug[,OPTIONS] foo.pl

DESCRIPTION

See ext/B/README and the newer B::Concise, B::Terse.

OPTIONS

With option -exec, walks tree in execute order, otherwise in basic order.

Changes

  1.11 2008-07-14 rurban
        avoid B::Flags in CORE tests not to crash on old XS in @INC

  1.10 2008-06-28 rurban
        require 5.006; Test::More not possible in 5.00505
        our => my
        
  1.09 2008-06-18 rurban
        minor META.yml syntax fix
        5.8.0 ending nextstate test failure: be more tolerant
        PREREQ_PM Test::More

  1.08 2008-06-17 rurban
        support 5.00558 - 5.6.2

  1.07 2008-06-16 rurban
        debug.t: fix strawberry perl quoting issue

  1.06 2008-06-11 rurban
        added B::Flags output
        dual-life CPAN as B-Debug-1.06 and CORE
        protect scalar(@array) if tied arrays leave out FETCHSIZE

  1.05_03 2008-04-16 rurban
        ithread fixes in B::AV
        B-C-1.04_??

  B-C-1.04_09 2008-02-24 rurban
        support 5.8 (import Asmdata)

  1.05_02 2008-02-21 rurban
        added _printop
        B-C-1.04_08 and CORE

  1.05_01 2008-02-05 rurban
        5.10 fix for op->seq
        B-C-1.04_04

AUTHOR

Malcolm Beattie, mbeattie@sable.ox.ac.uk Reini Urban rurban@cpan.org

LICENSE

Copyright (c) 1996, 1997 Malcolm Beattie Copyright (c) 2008 Reini Urban

        This program is free software; you can redistribute it and/or modify
        it under the terms of either:

        a) the GNU General Public License as published by the Free
        Software Foundation; either version 1, or (at your option) any
        later version, or

        b) the "Artistic License" which comes with this kit.

    This program 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 either
    the GNU General Public License or the Artistic License for more details.

    You should have received a copy of the Artistic License with this kit,
    in the file named "Artistic".  If not, you can get one from the Perl
    distribution. You should also have received a copy of the GNU General
    Public License, in the file named "Copying". If not, you can get one
    from the Perl distribution or else write to the Free Software Foundation,
    Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.