A Simple Technique for Partial Elimination of Unit Productions from LR(k) Parsers
Joliat · IEEE Transactions on Computers · 1976
A simplified version of Aho and Ullman's algorithm [1] is presented for the elimination of unit productions of the form A::= B from LR(k) parsers. The algorithm does not eliminate all such unit productions, but it is applicable in practical instances not handled by Aho and Ullman's technique.