[ruby-core:121302] [Ruby master Bug#21183] Ractor error with Prism::VERSION

[ruby-core:121302] [Ruby master Bug#21183] Ractor error with Prism::VERSION

[getajobmike (Mike Perham) via ruby-core]

Issue #21183 has been reported by getajobmike (Mike Perham).

----------------------------------------
Bug #21183: Ractor error with Prism::VERSION
https://bugs.ruby-lang.org/issues/21183

* Author: getajobmike (Mike Perham)
* Status: Open
* ruby -v: 3.4.1
* Backport: 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN, 3.4: UNKNOWN
----------------------------------------
```
/Users/mperham/.rubies/ruby-3.4.1/lib/ruby/3.4.0/error_highlight/base.rb:88:in 'ErrorHighlight.prism_find': can not access non-shareable objects in constant Prism::VERSION by non-main Ractor. (Ractor::IsolationError)
#<Thread:0x000000011e89fbb0 run> terminated with exception (report_on_exception is true):
	from /Users/mperham/.rubies/ruby-3.4.1/lib/ruby/3.4.0/error_highlight/base.rb:65:in 'ErrorHighlight.spot'
/Users/mperham/.rubies/ruby-3.4.1/lib/ruby/3.4.0/error_highlight/base.rb:88:in 'ErrorHighlight.prism_find'	from /Users/mperham/.rubies/ruby-3.4.1/lib/ruby/3.4.0/error_highlight/core_ext.rb:6:in 'ErrorHighlight::CoreExt#generate_snippet'
	from /Users/mperham/.rubies/ruby-3.4.1/lib/ruby/3.4.0/error_highlight/core_ext.rb:14:in 'ErrorHighlight::CoreExt#detailed_message'
: 	from /Users/mperham/.rubies/ruby-3.4.1/lib/ruby/3.4.0/did_you_mean/core_ext/name_error.rb:24:in 'DidYouMean::Correctable#detailed_message'
```



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[ruby-core:121310] [Ruby master Bug#21183] Ractor error with Prism::VERSION

[kddnewton (Kevin Newton) via ruby-core]

Issue #21183 has been updated by kddnewton (Kevin Newton).


I believe this has been fixed since the VERSION constant is now frozen. Can you double check that if you are using the latest prism release that this is still a problem for you?

----------------------------------------
Bug #21183: Ractor error with Prism::VERSION
https://bugs.ruby-lang.org/issues/21183#change-112273

* Author: getajobmike (Mike Perham)
* Status: Open
* ruby -v: 3.4.1
* Backport: 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN, 3.4: UNKNOWN
----------------------------------------
```
/Users/mperham/.rubies/ruby-3.4.1/lib/ruby/3.4.0/error_highlight/base.rb:88:in 'ErrorHighlight.prism_find': can not access non-shareable objects in constant Prism::VERSION by non-main Ractor. (Ractor::IsolationError)
#<Thread:0x000000011e89fbb0 run> terminated with exception (report_on_exception is true):
	from /Users/mperham/.rubies/ruby-3.4.1/lib/ruby/3.4.0/error_highlight/base.rb:65:in 'ErrorHighlight.spot'
/Users/mperham/.rubies/ruby-3.4.1/lib/ruby/3.4.0/error_highlight/base.rb:88:in 'ErrorHighlight.prism_find'	from /Users/mperham/.rubies/ruby-3.4.1/lib/ruby/3.4.0/error_highlight/core_ext.rb:6:in 'ErrorHighlight::CoreExt#generate_snippet'
	from /Users/mperham/.rubies/ruby-3.4.1/lib/ruby/3.4.0/error_highlight/core_ext.rb:14:in 'ErrorHighlight::CoreExt#detailed_message'
: 	from /Users/mperham/.rubies/ruby-3.4.1/lib/ruby/3.4.0/did_you_mean/core_ext/name_error.rb:24:in 'DidYouMean::Correctable#detailed_message'
```



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[ruby-core:121469] [Ruby Bug#21183] Ractor error with Prism::VERSION

[jeremyevans0 (Jeremy Evans) via ruby-core]

Issue #21183 has been updated by jeremyevans0 (Jeremy Evans).

Status changed from Open to Closed
Backport changed from 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN, 3.4: UNKNOWN to 3.1: DONTNEED, 3.2: DONTNEED, 3.3: DONTNEED, 3.4: REQUIRED

Fixed in the master branch by commit:f27ed98effff9891d28edc7119d45811bcedd510, marking for backport.

----------------------------------------
Bug #21183: Ractor error with Prism::VERSION
https://bugs.ruby-lang.org/issues/21183#change-112476

* Author: getajobmike (Mike Perham)
* Status: Closed
* ruby -v: 3.4.1
* Backport: 3.1: DONTNEED, 3.2: DONTNEED, 3.3: DONTNEED, 3.4: REQUIRED
----------------------------------------
```
/Users/mperham/.rubies/ruby-3.4.1/lib/ruby/3.4.0/error_highlight/base.rb:88:in 'ErrorHighlight.prism_find': can not access non-shareable objects in constant Prism::VERSION by non-main Ractor. (Ractor::IsolationError)
#<Thread:0x000000011e89fbb0 run> terminated with exception (report_on_exception is true):
	from /Users/mperham/.rubies/ruby-3.4.1/lib/ruby/3.4.0/error_highlight/base.rb:65:in 'ErrorHighlight.spot'
/Users/mperham/.rubies/ruby-3.4.1/lib/ruby/3.4.0/error_highlight/base.rb:88:in 'ErrorHighlight.prism_find'	from /Users/mperham/.rubies/ruby-3.4.1/lib/ruby/3.4.0/error_highlight/core_ext.rb:6:in 'ErrorHighlight::CoreExt#generate_snippet'
	from /Users/mperham/.rubies/ruby-3.4.1/lib/ruby/3.4.0/error_highlight/core_ext.rb:14:in 'ErrorHighlight::CoreExt#detailed_message'
: 	from /Users/mperham/.rubies/ruby-3.4.1/lib/ruby/3.4.0/did_you_mean/core_ext/name_error.rb:24:in 'DidYouMean::Correctable#detailed_message'
```



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[ruby-core:121481] [Ruby Bug#21183] Ractor error with Prism::VERSION

[Earlopain (Earlopain _) via ruby-core]

Issue #21183 has been updated by Earlopain (Earlopain _).


It looks handled on 3.4.2 already:

```sh
$ ruby -ve 'require "prism"; puts Prism::VERSION.frozen?'
ruby 3.4.2 (2025-02-15 revision d2930f8e7a) +PRISM [x86_64-linux]
true
```

Since this is about `error_highlight`, it still needs backport for ractor safety: https://github.com/ruby/prism/pull/3503
Currently it fails with the following error (example from https://github.com/ruby/prism/issues/3422):
```sh
$  echo 'Ractor.new do unknown rescue $!.detailed_message end; sleep 0.1' > /tmp/a.rb; ruby /tmp/a.rb
/tmp/a.rb:1: warning: Ractor is experimental, and the behavior may change in future versions of Ruby! Also there are many implementation issues.
#<Thread:0x00007f39a3382be0 run> terminated with exception (report_on_exception is true):
/home/user/.rbenv/versions/3.4.2/lib/ruby/3.4.0/error_highlight/base.rb:94:in 'Prism.parse_file': ractor unsafe method called from not main ractor (Ractor::UnsafeError)
```

And then also https://github.com/ruby/error_highlight/commit/a221a4b0ebc0b90e27c7c7d45903a6e7d79d62a2, no idea if that has been backported yet (I believe it hasn't). In combination, error_highlight works in ractor.

----------------------------------------
Bug #21183: Ractor error with Prism::VERSION
https://bugs.ruby-lang.org/issues/21183#change-112500

* Author: getajobmike (Mike Perham)
* Status: Closed
* ruby -v: 3.4.1
* Backport: 3.1: DONTNEED, 3.2: DONTNEED, 3.3: DONTNEED, 3.4: REQUIRED
----------------------------------------
```
/Users/mperham/.rubies/ruby-3.4.1/lib/ruby/3.4.0/error_highlight/base.rb:88:in 'ErrorHighlight.prism_find': can not access non-shareable objects in constant Prism::VERSION by non-main Ractor. (Ractor::IsolationError)
#<Thread:0x000000011e89fbb0 run> terminated with exception (report_on_exception is true):
	from /Users/mperham/.rubies/ruby-3.4.1/lib/ruby/3.4.0/error_highlight/base.rb:65:in 'ErrorHighlight.spot'
/Users/mperham/.rubies/ruby-3.4.1/lib/ruby/3.4.0/error_highlight/base.rb:88:in 'ErrorHighlight.prism_find'	from /Users/mperham/.rubies/ruby-3.4.1/lib/ruby/3.4.0/error_highlight/core_ext.rb:6:in 'ErrorHighlight::CoreExt#generate_snippet'
	from /Users/mperham/.rubies/ruby-3.4.1/lib/ruby/3.4.0/error_highlight/core_ext.rb:14:in 'ErrorHighlight::CoreExt#detailed_message'
: 	from /Users/mperham/.rubies/ruby-3.4.1/lib/ruby/3.4.0/did_you_mean/core_ext/name_error.rb:24:in 'DidYouMean::Correctable#detailed_message'
```



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[ruby-core:121648] [Ruby Bug#21183] Ractor error with Prism::VERSION

[k0kubun (Takashi Kokubun) via ruby-core]

Issue #21183 has been updated by k0kubun (Takashi Kokubun).

Backport changed from 3.1: DONTNEED, 3.2: DONTNEED, 3.3: DONTNEED, 3.4: REQUIRED to 3.1: DONTNEED, 3.2: DONTNEED, 3.3: DONTNEED, 3.4: DONE

ruby_3_4 commit:7b5e4125b9935cd78d80719de018dad446780e40 merged revision(s) commit:f27ed98effff9891d28edc7119d45811bcedd510.

----------------------------------------
Bug #21183: Ractor error with Prism::VERSION
https://bugs.ruby-lang.org/issues/21183#change-112702

* Author: getajobmike (Mike Perham)
* Status: Closed
* ruby -v: 3.4.1
* Backport: 3.1: DONTNEED, 3.2: DONTNEED, 3.3: DONTNEED, 3.4: DONE
----------------------------------------
```
/Users/mperham/.rubies/ruby-3.4.1/lib/ruby/3.4.0/error_highlight/base.rb:88:in 'ErrorHighlight.prism_find': can not access non-shareable objects in constant Prism::VERSION by non-main Ractor. (Ractor::IsolationError)
#<Thread:0x000000011e89fbb0 run> terminated with exception (report_on_exception is true):
	from /Users/mperham/.rubies/ruby-3.4.1/lib/ruby/3.4.0/error_highlight/base.rb:65:in 'ErrorHighlight.spot'
/Users/mperham/.rubies/ruby-3.4.1/lib/ruby/3.4.0/error_highlight/base.rb:88:in 'ErrorHighlight.prism_find'	from /Users/mperham/.rubies/ruby-3.4.1/lib/ruby/3.4.0/error_highlight/core_ext.rb:6:in 'ErrorHighlight::CoreExt#generate_snippet'
	from /Users/mperham/.rubies/ruby-3.4.1/lib/ruby/3.4.0/error_highlight/core_ext.rb:14:in 'ErrorHighlight::CoreExt#detailed_message'
: 	from /Users/mperham/.rubies/ruby-3.4.1/lib/ruby/3.4.0/did_you_mean/core_ext/name_error.rb:24:in 'DidYouMean::Correctable#detailed_message'
```



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