bison: bison: GNU Bison is a general-purpose parser generator that converts a bison: grammar description for an LALR(1) context-free grammar into a C bison: program to parse that grammar. Bison is upward compatible with Yacc: bison: all properly-written Yacc grammars ought to work with Bison with no bison: change. Anyone familiar with Yacc should be able to use Bison with bison: little trouble. bison: bison: Homepage: https://www.gnu.org/software/bison/ bison: