Grammar generator

[AlphabetsAlphabets]

EXPR -> LITERAL | UNARY | BINARY | GROUPING

LITERAL -> number | string | "TRUE" | "FALSE"

UNARY -> ("!" | "-") EXPR

BINARY -> EXPR OP EXPR
OP -> "+" | "-" | "*" | "/" | "%" |
      "==" | "!=" | "<" | ">" | ">=" | "<="

GROUPING -> "(" EXPR ")"

This is a super simple grammar for a very basic language. Not even Moon, but the code required to represent this grammar while not difficult to write is incredibly tedious. A tool should be created that can take the whole grammar file as input, and convert it into the equivalent in C.