GOLD Parsing System - Grammar Downloads
GOLD grammars are based on Backus-Naur form and regular expressions. As a result, these grammars can also be converted to other parsing systems that are based on these notations. ... PL/0 is a simple programming language created by Niklaus Wirth in his 1976 book Algorithms + Data Structures = Programs. Essentially, the grammar is a subset of ...