Crash when pressing TAB key on a hash

[ahangarha]

Description

One should be able to use TAB key for autocomplete or navigate between available methods on an object. If one wants to do the same on a {}. and press TAB (with any text written or not), the irb crashes with the following error:

/home/HOME/.rbenv/versions/3.1.2/lib/ruby/gems/3.1.0/gems/irb-1.9.0/lib/irb/input-method.rb:315:in `block in show_doc_dialog_proc': undefined method `match?' for ["Proc.dup", "Hash.dup"]:Array (NoMethodError)

        show_easter_egg = name&.match?(/\\ARubyVM/) && !ENV['RUBY_YES_I_AM_NOT_A_NORMAL_USER']
                              ^^^^^^^^
        from /home/HOME/.rbenv/versions/3.1.2/lib/ruby/gems/3.1.0/gems/reline-0.4.0/lib/reline/line_editor.rb:588:in `instance_exec'
        from /home/HOME/.rbenv/versions/3.1.2/lib/ruby/gems/3.1.0/gems/reline-0.4.0/lib/reline/line_editor.rb:588:in `call'
        from /home/HOME/.rbenv/versions/3.1.2/lib/ruby/gems/3.1.0/gems/reline-0.4.0/lib/reline/line_editor.rb:623:in `call'
        from /home/HOME/.rbenv/versions/3.1.2/lib/ruby/gems/3.1.0/gems/reline-0.4.0/lib/reline/line_editor.rb:776:in `update_each_dialog'
        from /home/HOME/.rbenv/versions/3.1.2/lib/ruby/gems/3.1.0/gems/reline-0.4.0/lib/reline/line_editor.rb:652:in `block in render_dialog'
        from /home/HOME/.rbenv/versions/3.1.2/lib/ruby/gems/3.1.0/gems/reline-0.4.0/lib/reline/line_editor.rb:650:in `map'
        from /home/HOME/.rbenv/versions/3.1.2/lib/ruby/gems/3.1.0/gems/reline-0.4.0/lib/reline/line_editor.rb:650:in `render_dialog'
        from /home/HOME/.rbenv/versions/3.1.2/lib/ruby/gems/3.1.0/gems/reline-0.4.0/lib/reline/line_editor.rb:500:in `rerender'
        from /home/HOME/.rbenv/versions/3.1.2/lib/ruby/gems/3.1.0/gems/reline-0.4.0/lib/reline.rb:351:in `block (3 levels) in inner_readline'
        from /home/HOME/.rbenv/versions/3.1.2/lib/ruby/gems/3.1.0/gems/reline-0.4.0/lib/reline.rb:349:in `each'
        from /home/HOME/.rbenv/versions/3.1.2/lib/ruby/gems/3.1.0/gems/reline-0.4.0/lib/reline.rb:349:in `block (2 levels) in inner_readline'
        from /home/HOME/.rbenv/versions/3.1.2/lib/ruby/gems/3.1.0/gems/reline-0.4.0/lib/reline.rb:424:in `block in read_io'
        from /home/HOME/.rbenv/versions/3.1.2/lib/ruby/gems/3.1.0/gems/reline-0.4.0/lib/reline.rb:394:in `loop'
        from /home/HOME/.rbenv/versions/3.1.2/lib/ruby/gems/3.1.0/gems/reline-0.4.0/lib/reline.rb:394:in `read_io'
        from /home/HOME/.rbenv/versions/3.1.2/lib/ruby/gems/3.1.0/gems/reline-0.4.0/lib/reline.rb:347:in `block in inner_readline'
        from /home/HOME/.rbenv/versions/3.1.2/lib/ruby/gems/3.1.0/gems/reline-0.4.0/lib/reline.rb:345:in `loop'
        from /home/HOME/.rbenv/versions/3.1.2/lib/ruby/gems/3.1.0/gems/reline-0.4.0/lib/reline.rb:345:in `inner_readline'
        from /home/HOME/.rbenv/versions/3.1.2/lib/ruby/gems/3.1.0/gems/reline-0.4.0/lib/reline.rb:273:in `block in readmultiline'
        from /home/HOME/.rbenv/versions/3.1.2/lib/ruby/gems/3.1.0/gems/reline-0.4.0/lib/reline/ansi.rb:152:in `block in with_raw_input'
        from /home/HOME/.rbenv/versions/3.1.2/lib/ruby/gems/3.1.0/gems/reline-0.4.0/lib/reline/ansi.rb:152:in `raw'
        from /home/HOME/.rbenv/versions/3.1.2/lib/ruby/gems/3.1.0/gems/reline-0.4.0/lib/reline/ansi.rb:152:in `with_raw_input'
        from /home/HOME/.rbenv/versions/3.1.2/lib/ruby/gems/3.1.0/gems/reline-0.4.0/lib/reline.rb:269:in `readmultiline'
        from /home/HOME/.rbenv/versions/3.1.2/lib/ruby/3.1.0/forwardable.rb:238:in `readmultiline'
        from /home/HOME/.rbenv/versions/3.1.2/lib/ruby/gems/3.1.0/gems/irb-1.9.0/lib/irb/input-method.rb:449:in `gets'
        from /home/HOME/.rbenv/versions/3.1.2/lib/ruby/gems/3.1.0/gems/irb-1.9.0/lib/irb.rb:539:in `block in read_input'
        from /home/HOME/.rbenv/versions/3.1.2/lib/ruby/gems/3.1.0/gems/irb-1.9.0/lib/irb.rb:823:in `signal_status'
        from /home/HOME/.rbenv/versions/3.1.2/lib/ruby/gems/3.1.0/gems/irb-1.9.0/lib/irb.rb:537:in `read_input'
        from /home/HOME/.rbenv/versions/3.1.2/lib/ruby/gems/3.1.0/gems/irb-1.9.0/lib/irb.rb:559:in `readmultiline'
        from /home/HOME/.rbenv/versions/3.1.2/lib/ruby/gems/3.1.0/gems/irb-1.9.0/lib/irb.rb:586:in `block in each_top_level_statement'
        from /home/HOME/.rbenv/versions/3.1.2/lib/ruby/gems/3.1.0/gems/irb-1.9.0/lib/irb.rb:585:in `loop'
        from /home/HOME/.rbenv/versions/3.1.2/lib/ruby/gems/3.1.0/gems/irb-1.9.0/lib/irb.rb:585:in `each_top_level_statement'
        from /home/HOME/.rbenv/versions/3.1.2/lib/ruby/gems/3.1.0/gems/irb-1.9.0/lib/irb.rb:507:in `eval_input'
        from /home/HOME/.rbenv/versions/3.1.2/lib/ruby/gems/3.1.0/gems/irb-1.9.0/lib/irb.rb:494:in `block in run'
        from /home/HOME/.rbenv/versions/3.1.2/lib/ruby/gems/3.1.0/gems/irb-1.9.0/lib/irb.rb:493:in `catch'
        from /home/HOME/.rbenv/versions/3.1.2/lib/ruby/gems/3.1.0/gems/irb-1.9.0/lib/irb.rb:493:in `run'
        from /home/HOME/.rbenv/versions/3.1.2/lib/ruby/gems/3.1.0/gems/irb-1.9.0/lib/irb.rb:395:in `start'
        from /home/HOME/.rbenv/versions/3.1.2/lib/ruby/gems/3.1.0/gems/irb-1.9.0/exe/irb:9:in `<top (required)>'
        from /home/HOME/.rbenv/versions/3.1.2/bin/irb:25:in `load'
        from /home/HOME/.rbenv/versions/3.1.2/bin/irb:25:in `<main>'

Result of irb_info

irb(main):001> irb_info
Ruby version: 3.1.2
IRB version: irb 1.9.0 (2023-11-11)
InputMethod: RelineInputMethod with Reline 0.4.0
Completion: Autocomplete, RegexpCompletor
RUBY_PLATFORM: x86_64-linux
LANG env: en_US.UTF-8
East Asian Ambiguous Width: 1

Terminal Emulator

Any terminal, including terminator, gnome-terminal, and vscodium terminal.

Setting Files

Are you using ~/.irbrc and ~/.inputrc?
No

[ima1zumi]

Thank you for your report. This issue has been fixed by #764

[ahangarha]

Oh!
Good.

Sorry for opening an issue. I first checked issues to see if similar issue has been reported. I didn't check PRs.

Bests

[tompng]

The fixed version IRB 1.9.1 is now released