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* [ruby-core:119460] [Ruby master Bug#20784] `?\` followed by EOF is parsed wrong
@ 2024-10-05  6:17 tompng (tomoya ishida) via ruby-core
  2024-10-05  6:21 ` [ruby-core:119461] " tompng (tomoya ishida) via ruby-core
  0 siblings, 1 reply; 2+ messages in thread
From: tompng (tomoya ishida) via ruby-core @ 2024-10-05  6:17 UTC (permalink / raw)
  To: ruby-core; +Cc: tompng (tomoya ishida)

Issue #20784 has been reported by tompng (tomoya ishida).

----------------------------------------
Bug #20784: `?\` followed by EOF is parsed wrong
https://bugs.ruby-lang.org/issues/20784

* Author: tompng (tomoya ishida)
* Status: Open
* ruby -v: ruby -v: ruby 3.4.0dev (2024-10-05T02:36:21Z master e939f28cc9) +YJIT +MN +PRISM [arm64-darwin22]
* Backport: 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN
----------------------------------------
`?\` at EOF should be syntax error
~~~
% printf "p ?\\" | ruby --parser=parse.y
[nothing shown]

% printf "1 in a ?\\" | ruby --parser=parse.y -c
Syntax OK
~~~

With `--parser=prism`, `?\` at EOF is parsed as empty string, reported in https://github.com/ruby/prism/issues/3144




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^ permalink raw reply	[flat|nested] 2+ messages in thread

* [ruby-core:119461] [Ruby master Bug#20784] `?\` followed by EOF is parsed wrong
  2024-10-05  6:17 [ruby-core:119460] [Ruby master Bug#20784] `?\` followed by EOF is parsed wrong tompng (tomoya ishida) via ruby-core
@ 2024-10-05  6:21 ` tompng (tomoya ishida) via ruby-core
  0 siblings, 0 replies; 2+ messages in thread
From: tompng (tomoya ishida) via ruby-core @ 2024-10-05  6:21 UTC (permalink / raw)
  To: ruby-core; +Cc: tompng (tomoya ishida)

Issue #20784 has been updated by tompng (tomoya ishida).


https://github.com/ruby/ruby/pull/11805

----------------------------------------
Bug #20784: `?\` followed by EOF is parsed wrong
https://bugs.ruby-lang.org/issues/20784#change-110080

* Author: tompng (tomoya ishida)
* Status: Open
* ruby -v: ruby -v: ruby 3.4.0dev (2024-10-05T02:36:21Z master e939f28cc9) +YJIT +MN +PRISM [arm64-darwin22]
* Backport: 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN
----------------------------------------
`?\` at EOF should be syntax error
~~~
% printf "p ?\\" | ruby --parser=parse.y
[nothing shown]

% printf "1 in a ?\\" | ruby --parser=parse.y -c
Syntax OK
~~~

With `--parser=prism`, `?\` at EOF is parsed as empty string, reported in https://github.com/ruby/prism/issues/3144




-- 
https://bugs.ruby-lang.org/
 ______________________________________________
 ruby-core mailing list -- ruby-core@ml.ruby-lang.org
 To unsubscribe send an email to ruby-core-leave@ml.ruby-lang.org
 ruby-core info -- https://ml.ruby-lang.org/mailman3/lists/ruby-core.ml.ruby-lang.org/

^ permalink raw reply	[flat|nested] 2+ messages in thread

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