lib/byebug/commands/irb.rb
# frozen_string_literal: true
require_relative "../command"
require "irb"
require "English"
module Byebug
#
# Enter IRB from byebug's prompt
#
class IrbCommand < Command
self.allow_in_post_mortem = true
def self.regexp
/^\s* irb \s*$/x
end
def self.description
<<-DESCRIPTION
irb
#{short_description}
DESCRIPTION
end
def self.short_description
"Starts an IRB session"
end
def execute
return errmsg(pr("base.errors.only_local")) unless processor.interface.instance_of?(LocalInterface)
# @todo IRB tries to parse $ARGV so we must clear it (see #197). Add a
# test case for it so we can remove this comment.
with_clean_argv { IRB.start }
end
private
def with_clean_argv
saved_argv = $ARGV.dup
$ARGV.clear
begin
yield
ensure
$ARGV.concat(saved_argv)
end
end
end
end