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(***********************************************************************)
(* *)
(* MLTk, Tcl/Tk interface of Objective Caml *)
(* *)
(* Francois Rouaix, Francois Pessaux, Jun Furuse and Pierre Weis *)
(* projet Cristal, INRIA Rocquencourt *)
(* Jacques Garrigue, Kyoto University RIMS *)
(* *)
(* Copyright 2002 Institut National de Recherche en Informatique et *)
(* en Automatique and Kyoto University. All rights reserved. *)
(* This file is distributed under the terms of the GNU Library *)
(* General Public License, with the special exception on linking *)
(* described in file LICENSE found in the Objective Caml source tree. *)
(* *)
(***********************************************************************)
open Code
let debug = ref false
let defined = ref []
let linenum = ref 1
let rec nop = function
| Line _ -> incr linenum
| Ifdef (_, _, c1, c2o) ->
List.iter nop c1;
begin match c2o with
| Some c2 -> List.iter nop c2
| None -> ()
end
| _ -> ()
;;
let rec exec lp f = function
| Line line ->
if !debug then
prerr_endline (Printf.sprintf "%03d: %s" !linenum
(String.sub line 0 ((String.length line) - 1)));
f line; incr linenum
| Ifdef (sw, k, c1, c2o) ->
if List.mem k !defined = sw then begin
List.iter (exec lp f) c1;
begin match c2o with
| Some c2 -> List.iter nop c2
| None -> ()
end;
lp !linenum
end else begin
List.iter nop c1;
match c2o with
| Some c2 ->
lp !linenum;
List.iter (exec lp f) c2
| None -> ()
end
| Define k -> defined := k :: !defined
| Undef k ->
defined := List.fold_right (fun k' s ->
if k = k' then s else k' :: s) [] !defined
;;
|
