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|
(**************************************************************************)
(* *)
(* The Why platform for program certification *)
(* Copyright (C) 2002-2008 *)
(* Romain BARDOU *)
(* Jean-Franois COUCHOT *)
(* Mehdi DOGGUY *)
(* Jean-Christophe FILLITRE *)
(* Thierry HUBERT *)
(* Claude MARCH *)
(* Yannick MOY *)
(* Christine PAULIN *)
(* Yann RGIS-GIANAS *)
(* Nicolas ROUSSET *)
(* Xavier URBAIN *)
(* *)
(* This software is free software; you can redistribute it and/or *)
(* modify it under the terms of the GNU General Public *)
(* License version 2, as published by the Free Software Foundation. *)
(* *)
(* This software is distributed in the hope that it will be useful, *)
(* but WITHOUT ANY WARRANTY; without even the implied warranty of *)
(* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *)
(* *)
(* See the GNU General Public License version 2 for more details *)
(* (enclosed in the file GPL). *)
(* *)
(**************************************************************************)
(*i $Id: ergo_split.mll,v 1.4 2008/02/05 12:10:50 marche Exp $ i*)
{
open Printf
open Lexing
let debug = ref false
let callback = ref (fun f -> assert false)
(* we put everything not a goal into [buf] *)
let buf = Buffer.create 8192
let outc = ref stdout
let print s = output_string !outc s
let start_file () =
let f = Filename.temp_file "ergo" ".why" in
outc := open_out f;
print (Buffer.contents buf);
f
let end_file file =
close_out !outc;
!callback file;
if not !debug then Sys.remove file
}
let letters = ['a'-'z']+
rule split = parse
| "goal"
{ let file = start_file () in print "goal"; goal file lexbuf }
| (letters | _) as s
{ Buffer.add_string buf s; split lexbuf }
| eof
{ () }
(* copy the query up to the semi-colon *)
and goal file = parse
| "goal"
{ end_file file; let file = start_file () in
print "goal "; goal file lexbuf }
| ("\"" ([^ '\"'] | "\\" _)* "\"") as s
{ print s; goal file lexbuf }
| ("type" | "logic" | "predicate" | "axiom") as k
{ end_file file; Buffer.add_string buf k; split lexbuf }
| (letters | _) as s
{ print s; goal file lexbuf }
| eof { end_file file }
{
let iter cb f =
callback := cb;
Buffer.reset buf;
let c = open_in f in
let lb = from_channel c in
split lb;
close_in c
}
|
