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Pattern accepted by parser but rejected by MRI #919

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mbj opened this issue Mar 27, 2023 · 0 comments

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bug

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mbj commented Mar 27, 2023

In reference to: mbj/unparser#340 (comment), it appears that parser currently accepts syntax that is rejected in MRI:

case foo
in {"#{"a"}": 1}
end

This is accepted in recent parser releases, in ruby version 2.7 to 3.2. Also accepted by MRI 2.7, but rejected 3.0-3.2.

I think we should adapt the parser grammars for 3.0+ to reject this also. Thanks to @kddnewton for reporting in unparser.

mbj mentioned this issue

Symbol literals with interpolation are not allowed in hash patterns mbj/unparser#340

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mbj added the bug label

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