debug_readline
(https://github.com/ruby/irb/pull/923)
* Remove exit and exti! command workaround when executed outside of IRB
Command was a method. It could be executed outside of IRB.
Workaround for it is no longer needed.
* Handle IRB_EXIT in debug mode
* Add exit and exit! command in rdbg mode
0b5dd6afd0
(https://github.com/ruby/irb/pull/873)
* Replace ExtendCommand with Command and standardize command related names
1. Rename lib/irb/extend-command.rb to lib/irb/command.rb
2. Rename lib/irb/cmd/*.rb to lib/irb/command/*.rb
3. Rename test/irb/test_cmd.rb to test/irb/test_command.rb
4. Rename ExtendCommand to Command
* Alias ExtendCommand to Command and deprecate it
* Rename Command::Nop to Command::Base
* Not deprecate old constants just yet
* Add lib/irb/cmd/nop.rb back
462c1284af