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Bug #16510
closedirb crashes when hitting 'Home' or 'End' keys
Description
There were similar bugs opened in the past few months, but they all appear to be closed.
System: Ruby 2.7.0, reline 0.1.2, irb 1.2.1
Open irb and hit the 'Home' or 'End' key on the keyboard. This should go to the beginning / end of the line. Instead, the console crashes and the following traceback is provided:
35: from /x/ruby-2.7.0/bin/irb:23:in `<main>'
34: from /x/ruby-2.7.0/bin/irb:23:in `load'
33: from /x/ruby-2.7.0/lib/ruby/gems/2.7.0/gems/irb-1.2.1/exe/irb:11:in `<top (required)>'
32: from /x/ruby-2.7.0/lib/ruby/2.7.0/irb.rb:398:in `start'
31: from /x/ruby-2.7.0/lib/ruby/2.7.0/irb.rb:469:in `run'
30: from /x/ruby-2.7.0/lib/ruby/2.7.0/irb.rb:469:in `catch'
29: from /x/ruby-2.7.0/lib/ruby/2.7.0/irb.rb:470:in `block in run'
28: from /x/ruby-2.7.0/lib/ruby/2.7.0/irb.rb:535:in `eval_input'
27: from /x/ruby-2.7.0/lib/ruby/2.7.0/irb/ruby-lex.rb:134:in `each_top_level_statement'
26: from /x/ruby-2.7.0/lib/ruby/2.7.0/irb/ruby-lex.rb:134:in `catch'
25: from /x/ruby-2.7.0/lib/ruby/2.7.0/irb/ruby-lex.rb:135:in `block in each_top_level_statement'
24: from /x/ruby-2.7.0/lib/ruby/2.7.0/irb/ruby-lex.rb:135:in `loop'
23: from /x/ruby-2.7.0/lib/ruby/2.7.0/irb/ruby-lex.rb:138:in `block (2 levels) in each_top_level_statement'
22: from /x/ruby-2.7.0/lib/ruby/2.7.0/irb/ruby-lex.rb:166:in `lex'
21: from /x/ruby-2.7.0/lib/ruby/2.7.0/irb.rb:516:in `block in eval_input'
20: from /x/ruby-2.7.0/lib/ruby/2.7.0/irb.rb:693:in `signal_status'
19: from /x/ruby-2.7.0/lib/ruby/2.7.0/irb.rb:517:in `block (2 levels) in eval_input'
18: from /x/ruby-2.7.0/lib/ruby/2.7.0/irb/input-method.rb:258:in `gets'
17: from /x/ruby-2.7.0/lib/ruby/2.7.0/forwardable.rb:235:in `readmultiline'
16: from /x/ruby-2.7.0/lib/ruby/2.7.0/forwardable.rb:235:in `readmultiline'
15: from /x/ruby-2.7.0/gems/reline-0.1.2/lib/reline.rb:170:in `readmultiline'
14: from /x/ruby-2.7.0/gems/reline-0.1.2/lib/reline.rb:232:in `inner_readline'
13: from /x/ruby-2.7.0/gems/reline-0.1.2/lib/reline.rb:232:in `loop'
12: from /x/ruby-2.7.0/gems/reline-0.1.2/lib/reline.rb:233:in `block in inner_readline'
11: from /x/ruby-2.7.0/gems/reline-0.1.2/lib/reline.rb:262:in `read_io'
10: from /x/ruby-2.7.0/gems/reline-0.1.2/lib/reline.rb:262:in `loop'
9: from /x/ruby-2.7.0/gems/reline-0.1.2/lib/reline.rb:286:in `block in read_io'
8: from /x/ruby-2.7.0/gems/reline-0.1.2/lib/reline.rb:234:in `block (2 levels) in inner_readline'
7: from /x/ruby-2.7.0/gems/reline-0.1.2/lib/reline.rb:234:in `each'
6: from /x/ruby-2.7.0/gems/reline-0.1.2/lib/reline.rb:235:in `block (3 levels) in inner_readline'
5: from /x/ruby-2.7.0/gems/reline-0.1.2/lib/reline/line_editor.rb:829:in `input_key'
4: from /x/ruby-2.7.0/gems/reline-0.1.2/lib/reline/line_editor.rb:787:in `normal_char'
3: from /x/ruby-2.7.0/gems/reline-0.1.2/lib/reline/line_editor.rb:758:in `process_key'
2: from /x/ruby-2.7.0/gems/reline-0.1.2/lib/reline/line_editor.rb:1109:in `ed_insert'
1: from /x/ruby-2.7.0/gems/reline-0.1.2/lib/reline/unicode.rb:70:in `get_mbchar_width'
/x/ruby-2.7.0/gems/reline-0.1.2/lib/reline/unicode.rb:70:in `encode': "\\xCF" from ASCII-8BIT to UTF-8 (Encoding::UndefinedConversionError)
In addition, hitting the 'Insert', 'Page Up', and 'Page Down' keys result in odd characters shown in the console (such as "^[[2~
"). This is only a minor issue compared to the console crash.
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