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|
(***********************************************************************)
(* *)
(* HEVEA *)
(* *)
(* Luc Maranget, projet Moscova, INRIA Rocquencourt *)
(* *)
(* Copyright 2001 Institut National de Recherche en Informatique et *)
(* Automatique. Distributed only by permission. *)
(* *)
(* $Id: colscan.mll,v 1.7 2012-06-05 14:55:39 maranget Exp $ *)
(***********************************************************************)
{
open Lexing
exception Error of string
;;
}
rule one = parse
| ' '+ {one lexbuf}
| ('0'|'1')?'.'?['0'-'9']*
{let lxm = lexeme lexbuf in
try float_of_string lxm with _ -> assert false}
| "" {raise (Error "Syntax error in color argument")}
and other = parse
' '* ',' {one lexbuf}
| "" {raise (Error "Syntax error in color argument")}
and three = parse
""
{let fst = one lexbuf in
let snd = other lexbuf in
let thrd = other lexbuf in
fst,snd,thrd}
and four = parse
""
{let fst = one lexbuf in
let snd = other lexbuf in
let thrd = other lexbuf in
let fourth = other lexbuf in
fst,snd,thrd,fourth}
|
