Parsodus/parser.example.pds

parser: lalr(1)
precedence: #optional
    left 5 PLUS
    right 6 TIMES
    nonassoc 2 LT
lexesis: lexer.lxs
# of
terminals:
    TERMINAL
    ...
start: start
grammar:
    start -> a
           | b
           ;

    a → TERMINAL;
    b -> a;