NAME
App::redisp::EvalWithLexicals
VERSION
version 0.1
SYNOPSIS
# file: bin/tinyrepl
#!/usr/bin/env perl
use strictures 1;
use App::redisp::EvalWithLexicals;
use Term::ReadLine;
use Data::Dumper;
$SIG{INT} = sub { warn "SIGINT\n" };
{ package Data::Dumper; no strict 'vars';
$Terse = $Indent = $Useqq = $Deparse = $Sortkeys = 1;
$Quotekeys = 0;
}
my $eval = App::redisp::EvalWithLexicals->new;
my $read = Term::ReadLine->new('Perl REPL');
while (1) {
my $line = $read->readline('re.pl$ ');
exit unless defined $line;
my @ret; eval {
local $SIG{INT} = sub { die "Caught SIGINT" };
@ret = $eval->eval($line); 1;
} or @ret = ("Error!", $@);
print Dumper @ret;
}
# shell session:
$ perl -Ilib bin/tinyrepl
re.pl$ my $x = 0;
0
re.pl$ ++$x;
1
re.pl$ $x + 3;
4
re.pl$ ^D
$NAME
App::redisp::EvalWithLexicals - pure perl eval with persistent lexical variables
VERSION
version 0.1
METHODS
new
my $eval = App::redisp::EvalWithLexicals->new(
lexicals => { '$x' => \1 }, # default {}
in_package => 'PackageToEvalIn', # default App::redisp::EvalWithLexicals::Scratchpad
context => 'scalar', # default 'list'
);eval
my @return_value = $eval->eval($code_to_eval);lexicals
my $current_lexicals = $eval->lexicals;
$eval->lexicals(\%new_lexicals);in_package
my $current_package = $eval->in_package;
$eval->in_package($new_package);context
my $current_context = $eval->context;
$eval->context($new_context); # 'list', 'scalar' or 'void'AUTHOR
Matt S. Trout <mst@shadowcat.co.uk>
CONTRIBUTORS
None required yet. Maybe this module is perfect (hahahahaha ...).
COPYRIGHT
Copyright (c) 2010 the Eval::WithLexicals "AUTHOR" and "CONTRIBUTORS" as listed above.
LICENSE
This library is free software and may be distributed under the same terms as perl itself.
AUTHOR
David Leadbeater <dgl@dgl.cx>
COPYRIGHT AND LICENSE
This software is copyright (c) 2011 by David Leadbeater.
This is free software; you can redistribute it and/or modify it under the terms of the Beerware license.