[ruby-core:119319] [Ruby master Bug#20761] [DOC] `RubyVM::AbstractSyntaxTree.of` examples raise because parser is prism by default

["Eregon (Benoit Daloze) via ruby-core" <ruby-core@ml.ruby-lang.org>]

Issue #20761 has been updated by Eregon (Benoit Daloze).


Thanks for the links, yes, that seems a perfect use case for more information in `#source_location`, going through `RubyVM` APIs for that feels overly complicated for something so simple.

I found https://bugs.ruby-lang.org/issues/6012 which seems closest to what's needed here, and linked the 2 other related issues to it.

----------------------------------------
Bug #20761: [DOC] `RubyVM::AbstractSyntaxTree.of` examples raise because parser is prism by default
https://bugs.ruby-lang.org/issues/20761#change-109933

* Author: Earlopain (A S)
* Status: Closed
* ruby -v: 3.4-dev
* Backport: 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN
----------------------------------------
https://docs.ruby-lang.org/en/master/RubyVM/AbstractSyntaxTree.html#method-c-of

```rb
RubyVM::AbstractSyntaxTree.of(proc {1 + 2})
# => <internal:ast>:97:in 'RubyVM::AbstractSyntaxTree.of': cannot get AST for ISEQ compiled by prism (RuntimeError)
```

Same for the method example. Is this method even functional when prism is used, or is the prism gem able to do this somehow?



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