e/LALR parser generator

Information
has gloss	eng: An LALR parser generator is a software tool that reads a BNF grammar and creates an LALR parser which is capable of parsing text files written in the computer language defined by the BNF grammar. LALR parsers are desirable because they are very fast and small in comparison to other types of parsers.
lexicalization	eng: LALR parser generator
instance of	c/Parser generators