Remove except and precedence patterns

iguana-parser / iguana

prototype parser run-time, back-end for different kinds of parser generators, including rascal.

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Remove except and precedence patterns #27

Closed afroozeh closed 2 years ago

afroozeh commented 2 years ago

Except and Precedence patterns are legacy left overs from the 2013 paper and are not used any more. Now the precedence and except mechanism works using data dependent grammars.