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use strict; |
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use warnings; |
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# ABSTRACT: Traps SIGINT to kill long-running lines |
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our $VERSION = '1.003029'; |
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use Devel::REPL::Plugin; |
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use Sys::SigAction qw(set_sig_handler); |
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use namespace::autoclean; |
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around 'run' => sub { |
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my ($orig, $self) = (shift, shift); |
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local $SIG{INT} = 'IGNORE'; |
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return $self->$orig(@_); |
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}; |
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around 'run_once' => sub { |
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my ($orig, $self) = (shift, shift); |
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# We have to use Sys::SigAction: Perl 5.8+ has safe signal handling by |
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# default, and Term::ReadLine::Gnu restarts the interrupted system calls. |
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# The result is that the signal handler is not fired until you hit Enter. |
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my $sig_action = set_sig_handler INT => sub { |
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die "Interrupted.\n"; |
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}; |
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return $self->$orig(@_); |
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}; |
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around 'read' => sub { |
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my ($orig, $self) = (shift, shift); |
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# here SIGINT is caught and only kills the line being edited |
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while (1) { |
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my $line = eval { $self->$orig(@_) }; |
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return $line unless $@; |
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die unless $@ =~ /^Interrupted\./; |
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# (Term::ReadLine::Gnu kills the line by default, but needs a LF - |
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# maybe I missed something?) |
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print "\n"; |
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} |
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}; |
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1; |
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=pod |
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=encoding UTF-8 |
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=head1 NAME |
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Devel::REPL::Plugin::Interrupt - Traps SIGINT to kill long-running lines |
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=head1 VERSION |
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version 1.003029 |
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=head1 DESCRIPTION |
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By default L<Devel::REPL> exits on SIGINT (usually Ctrl-C). If you load this |
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module, SIGINT will be trapped and used to kill long-running commands |
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(statements) and also to kill the line being edited (like eg. BASH do). (You |
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can still use Ctrl-D to exit.) |
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70
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=head1 SUPPORT |
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Bugs may be submitted through L<the RT bug tracker|https://rt.cpan.org/Public/Dist/Display.html?Name=Devel-REPL> |
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(or L<bug-Devel-REPL@rt.cpan.org|mailto:bug-Devel-REPL@rt.cpan.org>). |
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75
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There is also an irc channel available for users of this distribution, at |
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L<C<#devel> on C<irc.perl.org>|irc://irc.perl.org/#devel-repl>. |
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78
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=head1 AUTHOR |
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80
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Shawn M Moore, C<< <sartak at gmail dot com> >> |
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=head1 COPYRIGHT AND LICENCE |
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84
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This software is copyright (c) 2007 by Matt S Trout - mst (at) shadowcatsystems.co.uk (L<http://www.shadowcatsystems.co.uk/>). |
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86
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This is free software; you can redistribute it and/or modify it under |
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the same terms as the Perl 5 programming language system itself. |
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=cut |