`casesPerSpecialStateSwitch` option does not work for the `InternalParser` about xtext HOT 7 CLOSED

no currently not. that would need to be added.
you may check out org.eclipse.xtext.xtext.generator.parser.antlr.splitting package

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Simon, at a first glance the language grammar doesn't look as if it should trigger such a large generated method.
Can you confirm that all the manually inserted predicates are necessary?

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@szarnekow I'll give them a review.

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Upon reviewing all of our syntactic predicates, I managed to remove six of them. This brings us under the limit again, but still with little margin. I'll have a look to see whether it's doable to create a fragment which can reduce the size of the specialStateTransition method as a longer term solution.

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I managed to write a fragment that extracts code inside cases into separate methods if there are many cases.

See https://github.com/finos/rune-dsl/pull/805/files#diff-d952fbfc4000e8db62eb8cf802fae491dd82159fe0762c41acb726e21529e3ae

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Do you intent to contribute this fragment? We could run it against all test languages in the Xtext repo.

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With a holiday around the corner, I'm currently a bit hasty, but I suppose it can't hurt to contribute this. I'll add a reminder for once I'm back.

I suppose the same can be said about the ParserCompressorFragment2?

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