From: Karen Etheridge Date: Mon, 9 Sep 2013 02:12:21 +0000 (-0700) Subject: Devel-REPL-1.003021 X-Git-Tag: v1.003021^0 X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=p5sagit%2FDevel-REPL.git;a=commitdiff_plain;h=80bc1543abb52a67ecf72a227f15b1712f1908f1 Devel-REPL-1.003021 - removed use of deprecated functions from Class::MOP - long-deprecated Devel::REPL::Plugin::NewlineHack removed at last --- diff --git a/Changes b/Changes index 07eb7aa..7478c62 100644 --- a/Changes +++ b/Changes @@ -1,6 +1,8 @@ Revision history for {{ $dist->name }} {{ $NEXT }} + +1.003021 2013-09-09 02:10:45Z (Karen Etheridge) - removed use of deprecated functions from Class::MOP - long-deprecated Devel::REPL::Plugin::NewlineHack removed at last diff --git a/LICENSE b/LICENSE index e69de29..0a98a93 100644 --- a/LICENSE +++ b/LICENSE @@ -0,0 +1,379 @@ +This software is copyright (c) 2007 by Matt S Trout - mst (at) shadowcatsystems.co.uk (L). + +This is free software; you can redistribute it and/or modify it under +the same terms as the Perl 5 programming language system itself. + +Terms of the Perl programming language system itself + +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" + +--- The GNU General Public License, Version 1, February 1989 --- + +This software is Copyright (c) 2007 by Matt S Trout - mst (at) shadowcatsystems.co.uk (L). + +This is free software, licensed under: + + The GNU General Public License, Version 1, February 1989 + + GNU GENERAL PUBLIC LICENSE + Version 1, February 1989 + + Copyright (C) 1989 Free Software Foundation, Inc. + 51 Franklin St, Suite 500, Boston, MA 02110-1335 USA + + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The license agreements of most software companies try to keep users +at the mercy of those companies. 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THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED +WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF +MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + +The End + diff --git a/README.md b/README.md index e69de29..f29874a 100644 --- a/README.md +++ b/README.md @@ -0,0 +1,211 @@ +# NAME + +Devel::REPL - a modern perl interactive shell + +# SYNOPSIS + + my $repl = Devel::REPL->new; + $repl->load_plugin($_) for qw(History LexEnv); + $repl->run + +Alternatively, use the 're.pl' script installed with the distribution + + system$ re.pl + +# DESCRIPTION + +This is an interactive shell for Perl, commonly known as a REPL - Read, +Evaluate, Print, Loop. The shell provides for rapid development or testing +of code without the need to create a temporary source code file. + +Through a plugin system, many features are available on demand. You can also +tailor the environment through the use of profiles and run control files, for +example to pre-load certain Perl modules when working on a particular project. + +# USAGE + +To start a shell, follow one of the examples in the ["SYNOPSIS"](#SYNOPSIS) above. + +Once running, the shell accepts and will attempt to execute any code given. If +the code executes successfully you'll be shown the result, otherwise an error +message will be returned. Here are a few examples: + + $_ print "Hello, world!\n" + Hello, world! + 1 + $_ nosuchfunction + Compile error: Bareword "nosuchfunction" not allowed while "strict subs" in use at (eval 130) line 5. + + $_ + +In the first example above you see the output of the command (`Hello, +world!`), if any, and then the return value of the statement (`1`). Following +that example, an error is returned when the execution of some code fails. + +Note that the lack of semicolon on the end is not a mistake - the code is +run inside a Block structure (to protect the REPL in case the code blows up), +which means a single statement doesn't require the semicolon. You can add one +if you like, though. + +If you followed the first example in the ["SYNOPSIS"](#SYNOPSIS) above, you'll have the +History and LexEnv plugins loaded (and there are many more available). +Although the shell might support "up-arrow" history, the History plugin adds +"bang" history to that so you can re-execute chosen commands (with e.g. +`!53`). The LexEnv plugin ensures that lexical variables declared with the +`my` keyword will automatically persist between statements executed in the +REPL shell. + +When you `use` any Perl module, the `import()` will work as expected - the +exported functions from that module are available for immediate use: + + $_ carp "I'm dieeeing!\n" + String found where operator expected at (eval 129) line 5, near "carp "I'm dieeeing!\n"" + (Do you need to predeclare carp?) + Compile error: syntax error at (eval 129) line 5, near "carp "I'm dieeeing!\n"" + BEGIN not safe after errors--compilation aborted at (eval 129) line 5. + + $_ use Carp + + $_ carp "I'm dieeeing!\n" + I'm dieeeing! + at /usr/share/perl5/Lexical/Persistence.pm line 327 + 1 + $_ + +To quit from the shell, hit `Ctrl+D` or `Ctrl+C`. + + MSWin32 NOTE: control keys won't work if TERM=dumb + because readline functionality will be disabled. + + + +## Run Control Files + +For particular projects you might well end up running the same commands each +time the REPL shell starts up - loading Perl modules, setting configuration, +and so on. A run control file lets you have this done automatically, and you +can have multiple files for different projects. + +By default the `re.pl` program looks for `$HOME/.re.pl/repl.rc`, and +runs whatever code is in there as if you had entered it at the REPL shell +yourself. + +To set a new run control file that's also in that directory, pass it as a +filename like so: + + system$ re.pl --rcfile myproject.pc + +If the filename happens to contain a forwardslash, then it's used absolutely, +or realive to the current working directory: + + system$ re.pl --rcfile /path/to/my/project/repl.rc + +Within the run control file you might want to load plugins. This is covered in +["The REPL shell object"](#The REPL shell object) section, below. + +## Profiles + +To allow for the sharing of run control files, you can fashion them into a +Perl module for distribution (perhaps via the CPAN). For more information on +this feature, please see the [Devel::REPL::Profile](http://search.cpan.org/perldoc?Devel::REPL::Profile) manual page. + +A default profile ships with `Devel::REPL`; it loads the following plugins: + +- [Devel::REPL::Plugin::History](http://search.cpan.org/perldoc?Devel::REPL::Plugin::History) +- [Devel::REPL::Plugin::LexEnv](http://search.cpan.org/perldoc?Devel::REPL::Plugin::LexEnv) +- [Devel::REPL::Plugin::DDS](http://search.cpan.org/perldoc?Devel::REPL::Plugin::DDS) +- [Devel::REPL::Plugin::Packages](http://search.cpan.org/perldoc?Devel::REPL::Plugin::Packages) +- [Devel::REPL::Plugin::Commands](http://search.cpan.org/perldoc?Devel::REPL::Plugin::Commands) +- [Devel::REPL::Plugin::MultiLine::PPI](http://search.cpan.org/perldoc?Devel::REPL::Plugin::MultiLine::PPI) +- [Devel::REPL::Plugin::Colors](http://search.cpan.org/perldoc?Devel::REPL::Plugin::Colors) +- [Devel::REPL::Plugin::Completion](http://search.cpan.org/perldoc?Devel::REPL::Plugin::Completion) +- [Devel::REPL::Plugin::CompletionDriver::INC](http://search.cpan.org/perldoc?Devel::REPL::Plugin::CompletionDriver::INC) +- [Devel::REPL::Plugin::CompletionDriver::LexEnv](http://search.cpan.org/perldoc?Devel::REPL::Plugin::CompletionDriver::LexEnv) +- [Devel::REPL::Plugin::CompletionDriver::Keywords](http://search.cpan.org/perldoc?Devel::REPL::Plugin::CompletionDriver::Keywords) +- [Devel::REPL::Plugin::CompletionDriver::Methods](http://search.cpan.org/perldoc?Devel::REPL::Plugin::CompletionDriver::Methods) +- [Devel::REPL::Plugin::ReadlineHistory](http://search.cpan.org/perldoc?Devel::REPL::Plugin::ReadlineHistory) + +## Plugins + +Plugins are a way to add funcionality to the REPL shell, and take advantage of +`Devel::REPL` being based on the [Moose](http://search.cpan.org/perldoc?Moose) object system for Perl 5. This +means it's simple to 'hook into' many steps of the R-E-P-L process. Plugins +can change the way commands are interpreted, or the way their results are +output, or even add commands to the shell environment. + +A number of plugins ship with `Devel::REPL`, and more are available on the +CPAN. Some of the shipped plugins are loaded in the default profile, mentioned +above. These plugins can be loaded in your `$HOME/.re.pl/repl.rc` like: + + load_plugin qw( CompletionDriver::Global DumpHistory ); + +Writing your own plugins is not difficult, and is discussed in the +[Devel::REPL::Plugin](http://search.cpan.org/perldoc?Devel::REPL::Plugin) manual page, along with links to the manual pages of +all the plugins shipped with `Devel::REPL`. + +## The REPL shell object + +From time to time you'll want to interact with or manipulate the +`Devel::REPL` shell object itself; that is, the instance of the shell you're +currently running. + +The object is always available through the `$_REPL` variable. One common +requirement is to load an additional plugin, after your profile and run +control files have already been executed: + + $_ $_REPL->load_plugin('Timing'); + 1 + $_ print "Hello again, world!\n" + Hello again, world! + Took 0.00148296356201172 seconds. + 1 + $_ + +# REQUIREMENTS + +In addition to the contents of the standard Perl distribution, you will need +the following: + +- [Moose](http://search.cpan.org/perldoc?Moose) >= 0.74 +- [MooseX::Object::Pluggable](http://search.cpan.org/perldoc?MooseX::Object::Pluggable) >= 0.0009 +- [MooseX::Getopt](http://search.cpan.org/perldoc?MooseX::Getopt) >= 0.18 +- [namespace::autoclean](http://search.cpan.org/perldoc?namespace::autoclean) +- [File::HomeDir](http://search.cpan.org/perldoc?File::HomeDir) +- [Task::Weaken](http://search.cpan.org/perldoc?Task::Weaken) +- [B::Concise](http://search.cpan.org/perldoc?B::Concise) +- [Term::ANSIColor](http://search.cpan.org/perldoc?Term::ANSIColor) +- [Devel::Peek](http://search.cpan.org/perldoc?Devel::Peek) + +Optionally, some plugins if installed will require the following modules: + +- [PPI](http://search.cpan.org/perldoc?PPI) +- [Data::Dump::Streamer](http://search.cpan.org/perldoc?Data::Dump::Streamer) +- [Data::Dumper::Concise](http://search.cpan.org/perldoc?Data::Dumper::Concise) +- [File::Next](http://search.cpan.org/perldoc?File::Next) +- [Sys::SigAction](http://search.cpan.org/perldoc?Sys::SigAction) +- [B::Keywords](http://search.cpan.org/perldoc?B::Keywords) +- [Lexical::Persistence](http://search.cpan.org/perldoc?Lexical::Persistence) +- [App::Nopaste](http://search.cpan.org/perldoc?App::Nopaste) +- [Module::Refresh](http://search.cpan.org/perldoc?Module::Refresh) + +# AUTHOR + +Matt S Trout - mst (at) shadowcatsystems.co.uk ([http://www.shadowcatsystems.co.uk/](http://www.shadowcatsystems.co.uk/)) + +# CONTRIBUTORS + +- Stevan Little - stevan (at) iinteractive.com +- Alexis Sukrieh - sukria+perl (at) sukria.net +- epitaph +- mgrimes - mgrimes (at) cpan dot org +- Shawn M Moore - sartak (at) gmail.com +- Oliver Gorwits - oliver on irc.perl.org +- Andrew Moore - `` +- Norbert Buchmuller `` +- Dave Houston `` +- Chris Marshall +- Karen Etheridge `` + +# LICENSE + +This library is free software under the same terms as perl itself