* [ruby-dev:50981] [Ruby master Bug#17424] Interactive Ruby で Object#method を再定義して任意の文字を入力するとエラーが発生する
@ 2020-12-22 9:01 Tommy.ish
2021-02-09 21:34 ` [ruby-dev:51018] " merch-redmine
0 siblings, 1 reply; 2+ messages in thread
From: Tommy.ish @ 2020-12-22 9:01 UTC (permalink / raw)
To: ruby-dev
Issue #17424 has been reported by tommy.ish (智大 石井).
----------------------------------------
Bug #17424: Interactive Ruby で Object#method を再定義して任意の文字を入力するとエラーが発生する
https://bugs.ruby-lang.org/issues/17424
* Author: tommy.ish (智大 石井)
* Status: Open
* Priority: Normal
* ruby -v: ruby 2.7.2p137 (2020-10-01 revision 5445e04352) [x86_64-darwin20]
* Backport: 2.5: UNKNOWN, 2.6: UNKNOWN, 2.7: UNKNOWN
----------------------------------------
# 再現方法
Interactive Ruby で以下を入力した後に任意の文字を入力する。
``` ruby
def method
end
```
# 再現方法から得られた結果
```
Traceback (most recent call last):
33: from /Users/ishii/.rbenv/versions/2.7.2/bin/irb:23:in `<main>'
32: from /Users/ishii/.rbenv/versions/2.7.2/bin/irb:23:in `load'
31: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/gems/2.7.0/gems/irb-1.2.6/exe/irb:11:in `<top (required)>'
30: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/irb.rb:400:in `start'
29: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/irb.rb:471:in `run'
28: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/irb.rb:471:in `catch'
27: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/irb.rb:472:in `block in run'
26: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/irb.rb:537:in `eval_input'
25: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/irb/ruby-lex.rb:150:in `each_top_level_statement'
24: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/irb/ruby-lex.rb:150:in `catch'
23: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/irb/ruby-lex.rb:151:in `block in each_top_level_statement'
22: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/irb/ruby-lex.rb:151:in `loop'
21: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/irb/ruby-lex.rb:154:in `block (2 levels) in each_top_level_statement'
20: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/irb/ruby-lex.rb:182:in `lex'
19: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/irb.rb:518:in `block in eval_input'
18: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/irb.rb:704:in `signal_status'
17: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/irb.rb:519:in `block (2 levels) in eval_input'
16: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/irb/input-method.rb:294:in `gets'
15: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/forwardable.rb:235:in `readmultiline'
14: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/forwardable.rb:235:in `readmultiline'
13: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/reline.rb:175:in `readmultiline'
12: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/reline.rb:238:in `inner_readline'
11: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/reline.rb:238:in `loop'
10: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/reline.rb:239:in `block in inner_readline'
9: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/reline.rb:270:in `read_io'
8: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/reline.rb:270:in `loop'
7: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/reline.rb:311:in `block in read_io'
6: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/reline.rb:240:in `block (2 levels) in inner_readline'
5: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/reline.rb:240:in `each'
4: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/reline.rb:241:in `block (3 levels) in inner_readline'
3: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/reline/line_editor.rb:834:in `input_key'
2: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/reline/line_editor.rb:792:in `normal_char'
1: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/reline/line_editor.rb:718:in `process_key'
(irb):1:in `method': wrong number of arguments (given 1, expected 0) (ArgumentError)
```
# 期待する結果とその理由
この例外は起きないべきだ。何故ならソースコードに書いて実行してもエラーは出ないからだ。 irb 1.2.6 (2020-09-14) ですが irb 1.0.0 (2018-12-18) だとエラーが出ませんでした。
--
https://bugs.ruby-lang.org/
^ permalink raw reply [flat|nested] 2+ messages in thread
* [ruby-dev:51018] [Ruby master Bug#17424] Interactive Ruby で Object#method を再定義して任意の文字を入力するとエラーが発生する
2020-12-22 9:01 [ruby-dev:50981] [Ruby master Bug#17424] Interactive Ruby で Object#method を再定義して任意の文字を入力するとエラーが発生する Tommy.ish
@ 2021-02-09 21:34 ` merch-redmine
0 siblings, 0 replies; 2+ messages in thread
From: merch-redmine @ 2021-02-09 21:34 UTC (permalink / raw)
To: ruby-dev
Issue #17424 has been updated by jeremyevans0 (Jeremy Evans).
Status changed from Open to Rejected
This isn't a bug. Reline is calling `method` on an object, which by default is implemented by `Kernel#method`. By running `def method; end` in the top level scope, you are defining `Object#method`, which takes precedence over `Kernel#method`. Since the method you defined does not accept arguments, while `Kernel#method` accepts an argument, Reline gets an `ArgumentError` when calling `method`. You can fix this issue by using a method name other than `method` or by defining `method` inside another class or module so that it does not override `Kernel#method`.
----------------------------------------
Bug #17424: Interactive Ruby で Object#method を再定義して任意の文字を入力するとエラーが発生する
https://bugs.ruby-lang.org/issues/17424#change-90304
* Author: tommy.ish (智大 石井)
* Status: Rejected
* Priority: Normal
* ruby -v: ruby 2.7.2p137 (2020-10-01 revision 5445e04352) [x86_64-darwin20]
* Backport: 2.5: UNKNOWN, 2.6: UNKNOWN, 2.7: UNKNOWN
----------------------------------------
# 再現方法
Interactive Ruby で以下を入力した後に任意の文字を入力する。
``` ruby
def method
end
```
# 再現方法から得られた結果
```
Traceback (most recent call last):
33: from /Users/ishii/.rbenv/versions/2.7.2/bin/irb:23:in `<main>'
32: from /Users/ishii/.rbenv/versions/2.7.2/bin/irb:23:in `load'
31: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/gems/2.7.0/gems/irb-1.2.6/exe/irb:11:in `<top (required)>'
30: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/irb.rb:400:in `start'
29: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/irb.rb:471:in `run'
28: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/irb.rb:471:in `catch'
27: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/irb.rb:472:in `block in run'
26: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/irb.rb:537:in `eval_input'
25: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/irb/ruby-lex.rb:150:in `each_top_level_statement'
24: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/irb/ruby-lex.rb:150:in `catch'
23: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/irb/ruby-lex.rb:151:in `block in each_top_level_statement'
22: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/irb/ruby-lex.rb:151:in `loop'
21: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/irb/ruby-lex.rb:154:in `block (2 levels) in each_top_level_statement'
20: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/irb/ruby-lex.rb:182:in `lex'
19: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/irb.rb:518:in `block in eval_input'
18: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/irb.rb:704:in `signal_status'
17: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/irb.rb:519:in `block (2 levels) in eval_input'
16: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/irb/input-method.rb:294:in `gets'
15: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/forwardable.rb:235:in `readmultiline'
14: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/forwardable.rb:235:in `readmultiline'
13: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/reline.rb:175:in `readmultiline'
12: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/reline.rb:238:in `inner_readline'
11: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/reline.rb:238:in `loop'
10: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/reline.rb:239:in `block in inner_readline'
9: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/reline.rb:270:in `read_io'
8: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/reline.rb:270:in `loop'
7: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/reline.rb:311:in `block in read_io'
6: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/reline.rb:240:in `block (2 levels) in inner_readline'
5: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/reline.rb:240:in `each'
4: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/reline.rb:241:in `block (3 levels) in inner_readline'
3: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/reline/line_editor.rb:834:in `input_key'
2: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/reline/line_editor.rb:792:in `normal_char'
1: from /Users/ishii/.rbenv/versions/2.7.2/lib/ruby/2.7.0/reline/line_editor.rb:718:in `process_key'
(irb):1:in `method': wrong number of arguments (given 1, expected 0) (ArgumentError)
```
# 期待する結果とその理由
この例外は起きないべきだ。何故ならソースコードに書いて実行してもエラーは出ないからだ。 irb 1.2.6 (2020-09-14) ですが irb 1.0.0 (2018-12-18) だとエラーが出ませんでした。
--
https://bugs.ruby-lang.org/
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