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Fix irb-1.9.0 crash on {}. completion #764

Merged
merged 1 commit into from
Nov 18, 2023
Merged

Fix irb-1.9.0 crash on {}. completion #764

merged 1 commit into from
Nov 18, 2023

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tompng
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@tompng tompng commented Nov 16, 2023

Fix IRB crash when showing document of {}.

In RegexpCompletor, doc_namespace of {}. will return an array ["Proc.#{message}", "Hash.#{message}"]
When name = doc_namespace.call(result[pointer]) is not a String nor nil, IRB crashes.

Change to use the first namespaces. This will fix a bug that document of {}. was not shown from the beginning(irb 1.4.0,
first version that implements autocomplete and document dialog).

I also changed the order of Hash and Proc because Hash is more important to show in document dialog.

Reproduce

Run irb with irb -f
Type {}.
Press TAB key

$ irb -f
irb(main):001> {}.parameters/Users/tomoya.ishida/.rbenv/versions/3.2.2/lib/ruby/gems/3.2.0/gems/irb-1.9.0/lib/irb/input-method.rb:315:in `block in show_doc_dialog_proc': undefined method `match?' for ["Proc.parameters", "Hash.parameters"]:Array (NoMethodError)         }.parameters                     ▀
                }.hash                            
        show_easter_egg = name&.match?(/\ARubyVM/) && !ENV['RUBY_YES_I_AM_NOT_A_NORMAL_USER']
                              ^^^^^^^^            
        from /Users/tomoya.ishida/.rbenv/versions/3.2.2/lib/ruby/gems/3.2.0/gems/reline-0.4.0/lib/reline/line_editor.rb:588:in `instance_exec'
        from /Users/tomoya.ishida/.rbenv/versions/3.2.2/lib/ruby/gems/3.2.0/gems/reline-0.4.0/lib/reline/line_editor.rb:588:in `call'
        from /Users/tomoya.ishida/.rbenv/versions/3.2.2/lib/ruby/gems/3.2.0/gems/reline-0.4.0/lib/reline/line_editor.rb:623:in `call'
        from /Users/tomoya.ishida/.rbenv/versions/3.2.2/lib/ruby/gems/3.2.0/gems/reline-0.4.0/lib/reline/line_editor.rb:776:in `update_each_dialog'
        from /Users/tomoya.ishida/.rbenv/versions/3.2.2/lib/ruby/gems/3.2.0/gems/reline-0.4.0/lib/reline/line_editor.rb:652:in `block in render_dialog'
        from /Users/tomoya.ishida/.rbenv/versions/3.2.2/lib/ruby/gems/3.2.0/gems/reline-0.4.0/lib/reline/line_editor.rb:650:in `map'
        from /Users/tomoya.ishida/.rbenv/versions/3.2.2/lib/ruby/gems/3.2.0/gems/reline-0.4.0/lib/reline/line_editor.rb:650:in `render_dialog'
	from /Users/tomoya.ishida/.rbenv/versions/3.2.2/lib/ruby/gems/3.2.0/gems/reline-0.4.0/lib/reline/line_editor.rb:500:in `rerender'
	from /Users/tomoya.ishida/.rbenv/versions/3.2.2/lib/ruby/gems/3.2.0/gems/reline-0.4.0/lib/reline.rb:351:in `block (3 levels) in inner_readline'
	from /Users/tomoya.ishida/.rbenv/versions/3.2.2/lib/ruby/gems/3.2.0/gems/reline-0.4.0/lib/reline.rb:349:in `each'
	from /Users/tomoya.ishida/.rbenv/versions/3.2.2/lib/ruby/gems/3.2.0/gems/reline-0.4.0/lib/reline.rb:349:in `block (2 levels) in inner_readline'
	from /Users/tomoya.ishida/.rbenv/versions/3.2.2/lib/ruby/gems/3.2.0/gems/reline-0.4.0/lib/reline.rb:424:in `block in read_io'
	from /Users/tomoya.ishida/.rbenv/versions/3.2.2/lib/ruby/gems/3.2.0/gems/reline-0.4.0/lib/reline.rb:394:in `loop'
	from /Users/tomoya.ishida/.rbenv/versions/3.2.2/lib/ruby/gems/3.2.0/gems/reline-0.4.0/lib/reline.rb:394:in `read_io'
	from /Users/tomoya.ishida/.rbenv/versions/3.2.2/lib/ruby/gems/3.2.0/gems/reline-0.4.0/lib/reline.rb:347:in `block in inner_readline'
	from /Users/tomoya.ishida/.rbenv/versions/3.2.2/lib/ruby/gems/3.2.0/gems/reline-0.4.0/lib/reline.rb:345:in `loop'
	from /Users/tomoya.ishida/.rbenv/versions/3.2.2/lib/ruby/gems/3.2.0/gems/reline-0.4.0/lib/reline.rb:345:in `inner_readline'
	from /Users/tomoya.ishida/.rbenv/versions/3.2.2/lib/ruby/gems/3.2.0/gems/reline-0.4.0/lib/reline.rb:273:in `block in readmultiline'
	from /Users/tomoya.ishida/.rbenv/versions/3.2.2/lib/ruby/gems/3.2.0/gems/reline-0.4.0/lib/reline/ansi.rb:152:in `block in with_raw_input'
	from /Users/tomoya.ishida/.rbenv/versions/3.2.2/lib/ruby/gems/3.2.0/gems/reline-0.4.0/lib/reline/ansi.rb:152:in `raw'
	from /Users/tomoya.ishida/.rbenv/versions/3.2.2/lib/ruby/gems/3.2.0/gems/reline-0.4.0/lib/reline/ansi.rb:152:in `with_raw_input'
	from /Users/tomoya.ishida/.rbenv/versions/3.2.2/lib/ruby/gems/3.2.0/gems/reline-0.4.0/lib/reline.rb:269:in `readmultiline'
	from /Users/tomoya.ishida/.rbenv/versions/3.2.2/lib/ruby/3.2.0/forwardable.rb:240:in `readmultiline'
	from /Users/tomoya.ishida/.rbenv/versions/3.2.2/lib/ruby/gems/3.2.0/gems/irb-1.9.0/lib/irb/input-method.rb:449:in `gets'
	from /Users/tomoya.ishida/.rbenv/versions/3.2.2/lib/ruby/gems/3.2.0/gems/irb-1.9.0/lib/irb.rb:539:in `block in read_input'
	from /Users/tomoya.ishida/.rbenv/versions/3.2.2/lib/ruby/gems/3.2.0/gems/irb-1.9.0/lib/irb.rb:823:in `signal_status'
	from /Users/tomoya.ishida/.rbenv/versions/3.2.2/lib/ruby/gems/3.2.0/gems/irb-1.9.0/lib/irb.rb:537:in `read_input'
	from /Users/tomoya.ishida/.rbenv/versions/3.2.2/lib/ruby/gems/3.2.0/gems/irb-1.9.0/lib/irb.rb:559:in `readmultiline'
	from /Users/tomoya.ishida/.rbenv/versions/3.2.2/lib/ruby/gems/3.2.0/gems/irb-1.9.0/lib/irb.rb:586:in `block in each_top_level_statement'
	from /Users/tomoya.ishida/.rbenv/versions/3.2.2/lib/ruby/gems/3.2.0/gems/irb-1.9.0/lib/irb.rb:585:in `loop'
	from /Users/tomoya.ishida/.rbenv/versions/3.2.2/lib/ruby/gems/3.2.0/gems/irb-1.9.0/lib/irb.rb:585:in `each_top_level_statement'
	from /Users/tomoya.ishida/.rbenv/versions/3.2.2/lib/ruby/gems/3.2.0/gems/irb-1.9.0/lib/irb.rb:507:in `eval_input'
	from /Users/tomoya.ishida/.rbenv/versions/3.2.2/lib/ruby/gems/3.2.0/gems/irb-1.9.0/lib/irb.rb:494:in `block in run'
	from /Users/tomoya.ishida/.rbenv/versions/3.2.2/lib/ruby/gems/3.2.0/gems/irb-1.9.0/lib/irb.rb:493:in `catch'
	from /Users/tomoya.ishida/.rbenv/versions/3.2.2/lib/ruby/gems/3.2.0/gems/irb-1.9.0/lib/irb.rb:493:in `run'
	from /Users/tomoya.ishida/.rbenv/versions/3.2.2/lib/ruby/gems/3.2.0/gems/irb-1.9.0/lib/irb.rb:395:in `start'
	from /Users/tomoya.ishida/.rbenv/versions/3.2.2/lib/ruby/gems/3.2.0/gems/irb-1.9.0/exe/irb:9:in `<top (required)>'
	from /Users/tomoya.ishida/.rbenv/versions/3.2.2/bin/irb:25:in `load'
	from /Users/tomoya.ishida/.rbenv/versions/3.2.2/bin/irb:25:in `<main>'

@tompng tompng changed the title Fix irb crash on {}. completion Fix irb-1.9.0 crash on {}. completion Nov 18, 2023
@tompng tompng merged commit 07e4d54 into ruby:master Nov 18, 2023
@tompng tompng deleted the fix_irb_crash_in_easteregg_check branch November 18, 2023 17:49
matzbot pushed a commit to ruby/ruby that referenced this pull request Nov 18, 2023
@tompng @matzbot
[ruby/irb] Fix irb crash on {}. completion
631b500 
(ruby/irb#764)

ruby/irb@07e4d540cc
@ima1zumi ima1zumi mentioned this pull request Nov 19, 2023
Closed
@tompng tompng mentioned this pull request Nov 20, 2023
Merged
@st0012 st0012 added the bug Something isn't working label Nov 20, 2023
@ima1zumi ima1zumi mentioned this pull request Nov 21, 2023
Closed
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@ima1zumi ima1zumi ima1zumi approved these changes

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