#2 API for merging grammar rules

[Anonymous]

Hi,

it would be nice to have an API for merging parser tables different grammar rule sets before starting the parser.

This functionality would be useful e.g. in the case of different language version features which are en- and disabled with compiler command line switches.

Is this possible technically?

[Nobody/Anonymous]

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A further step would be support of boolean grammars, which allow not only unions, but also intersections and difference operations, as described here:
http://www.megacz.com/research/megacz,adam-sbp.a.scannerless.boolean.parser.pdf
http://research.cs.berkeley.edu/project/sbp/