Description
Description
Paste this code to IRB.
1.times do
1.times { puts }
end
And back in history and move a cursor to an empty line and type a right arrow. IRB is crashed.
When I used Reline 0.1.9, the problem did not occur.
irb(main):006:1* 1.times do
irb(main):007:1* 1.times { puts }
irb(main):008:1* (Move a cursor here and type a right arrow)
/Users/chiastolite/.rbenv/versions/3.0.0/lib/ruby/3.0.0/reline/unicode.rb:188:in `get_next_mbchar_size': undefined method `grapheme_clusters' for nil:NilClass (NoMethodError)
from /Users/chiastolite/.rbenv/versions/3.0.0/lib/ruby/3.0.0/reline/line_editor.rb:1413:in `ed_next_char'
from /Users/chiastolite/.rbenv/versions/3.0.0/lib/ruby/3.0.0/reline/line_editor.rb:951:in `call'
from /Users/chiastolite/.rbenv/versions/3.0.0/lib/ruby/3.0.0/reline/line_editor.rb:951:in `wrap_method_call'
from /Users/chiastolite/.rbenv/versions/3.0.0/lib/ruby/3.0.0/reline/line_editor.rb:968:in `process_key'
from /Users/chiastolite/.rbenv/versions/3.0.0/lib/ruby/3.0.0/reline/line_editor.rb:1076:in `input_key'
from /Users/chiastolite/.rbenv/versions/3.0.0/lib/ruby/3.0.0/reline.rb:247:in `block (3 levels) in inner_readline'
from /Users/chiastolite/.rbenv/versions/3.0.0/lib/ruby/3.0.0/reline.rb:246:in `each'
from /Users/chiastolite/.rbenv/versions/3.0.0/lib/ruby/3.0.0/reline.rb:246:in `block (2 levels) in inner_readline'
from /Users/chiastolite/.rbenv/versions/3.0.0/lib/ruby/3.0.0/reline.rb:298:in `block in read_io'
from /Users/chiastolite/.rbenv/versions/3.0.0/lib/ruby/3.0.0/reline.rb:284:in `loop'
from /Users/chiastolite/.rbenv/versions/3.0.0/lib/ruby/3.0.0/reline.rb:284:in `read_io'
from /Users/chiastolite/.rbenv/versions/3.0.0/lib/ruby/3.0.0/reline.rb:245:in `block in inner_readline'
from /Users/chiastolite/.rbenv/versions/3.0.0/lib/ruby/3.0.0/reline.rb:243:in `loop'
from /Users/chiastolite/.rbenv/versions/3.0.0/lib/ruby/3.0.0/reline.rb:243:in `inner_readline'
from /Users/chiastolite/.rbenv/versions/3.0.0/lib/ruby/3.0.0/reline.rb:175:in `readmultiline'
from /Users/chiastolite/.rbenv/versions/3.0.0/lib/ruby/3.0.0/forwardable.rb:238:in `readmultiline'
from /Users/chiastolite/.rbenv/versions/3.0.0/lib/ruby/3.0.0/forwardable.rb:238:in `readmultiline'
from /Users/chiastolite/.rbenv/versions/3.0.0/lib/ruby/3.0.0/irb/input-method.rb:302:in `gets'
from /Users/chiastolite/.rbenv/versions/3.0.0/lib/ruby/3.0.0/irb.rb:519:in `block (2 levels) in eval_input'
from /Users/chiastolite/.rbenv/versions/3.0.0/lib/ruby/3.0.0/irb.rb:721:in `signal_status'
from /Users/chiastolite/.rbenv/versions/3.0.0/lib/ruby/3.0.0/irb.rb:518:in `block in eval_input'
from /Users/chiastolite/.rbenv/versions/3.0.0/lib/ruby/3.0.0/irb/ruby-lex.rb:202:in `lex'
from /Users/chiastolite/.rbenv/versions/3.0.0/lib/ruby/3.0.0/irb/ruby-lex.rb:174:in `block (2 levels) in each_top_level_statement'
from /Users/chiastolite/.rbenv/versions/3.0.0/lib/ruby/3.0.0/irb/ruby-lex.rb:171:in `loop'
from /Users/chiastolite/.rbenv/versions/3.0.0/lib/ruby/3.0.0/irb/ruby-lex.rb:171:in `block in each_top_level_statement'
from /Users/chiastolite/.rbenv/versions/3.0.0/lib/ruby/3.0.0/irb/ruby-lex.rb:170:in `catch'
from /Users/chiastolite/.rbenv/versions/3.0.0/lib/ruby/3.0.0/irb/ruby-lex.rb:170:in `each_top_level_statement'
from /Users/chiastolite/.rbenv/versions/3.0.0/lib/ruby/3.0.0/irb.rb:537:in `eval_input'
from /Users/chiastolite/.rbenv/versions/3.0.0/lib/ruby/3.0.0/irb.rb:472:in `block in run'
from /Users/chiastolite/.rbenv/versions/3.0.0/lib/ruby/3.0.0/irb.rb:471:in `catch'
from /Users/chiastolite/.rbenv/versions/3.0.0/lib/ruby/3.0.0/irb.rb:471:in `run'
from /Users/chiastolite/.rbenv/versions/3.0.0/lib/ruby/3.0.0/irb.rb:400:in `start'
from /Users/chiastolite/.rbenv/versions/3.0.0/lib/ruby/gems/3.0.0/gems/irb-1.3.0/exe/irb:11:in `<top (required)>'
from /Users/chiastolite/.rbenv/versions/3.0.0/bin/irb:23:in `load'
from /Users/chiastolite/.rbenv/versions/3.0.0/bin/irb:23:in `<main>'
Result of irb_info
irb(main):001:0> irb_info
=>
Ruby version: 3.0.0
IRB version: irb 1.3.0 (2020-12-25)
InputMethod: ReidlineInputMethod with Reline 0.2.0
Terminal Emulator
Terminal (version 2.11 on macOS Big Sur 11.0.1)