sig
type token =
CLOSING_PARENT
| OPENING_PARENT
| COMMA
| PLUS
| MINUS
| MULTIPLY
| DIVIDE
| EOF
| IDENT of string
| FILE of string
| FILES of string
| INTEGER of int
val start :
(Stdlib.Lexing.lexbuf -> CombineParser.token) ->
Stdlib.Lexing.lexbuf -> CombineAST.expr
end