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|
(**************************************************************************)
(* *)
(* The Why platform for program certification *)
(* *)
(* Copyright (C) 2002-2011 *)
(* *)
(* Jean-Christophe FILLIATRE, CNRS & Univ. Paris-sud 11 *)
(* Claude MARCHE, INRIA & Univ. Paris-sud 11 *)
(* Yannick MOY, Univ. Paris-sud 11 *)
(* Romain BARDOU, Univ. Paris-sud 11 *)
(* *)
(* Secondary contributors: *)
(* *)
(* Thierry HUBERT, Univ. Paris-sud 11 (former Caduceus front-end) *)
(* Nicolas ROUSSET, Univ. Paris-sud 11 (on Jessie & Krakatoa) *)
(* Ali AYAD, CNRS & CEA Saclay (floating-point support) *)
(* Sylvie BOLDO, INRIA (floating-point support) *)
(* Jean-Francois COUCHOT, INRIA (sort encodings, hyps pruning) *)
(* Mehdi DOGGUY, Univ. Paris-sud 11 (Why GUI) *)
(* *)
(* This software is free software; you can redistribute it and/or *)
(* modify it under the terms of the GNU Lesser General Public *)
(* License version 2.1, with the special exception on linking *)
(* described in file LICENSE. *)
(* *)
(* 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. *)
(* *)
(**************************************************************************)
(*i $Id: simplify_split.mll,v 1.13 2009-12-27 16:46:36 bobot Exp $ i*)
{
open Printf
open Lexing
let no_remove = ref false
let callback = ref (fun _ _ -> 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 "simplify" ".sx" in
outc := open_out f;
print (Buffer.contents buf);
f
let end_file file =
close_out !outc;
!callback file [];
Lib.remove_file ~debug:!no_remove file
}
let space = [' ' '\t' '\n' '\r']
let ident = ['a'-'z' 'A'-'Z']+
rule split = parse
| ";" [^'\n']* '\n'
{ Buffer.add_string buf (lexeme lexbuf); split lexbuf }
| "(" space* ("BG_PUSH" | "DEFPRED")
{ Buffer.add_string buf (lexeme lexbuf);
lisp_copy lexbuf; split lexbuf }
| ident
{ let file = start_file () in
print (lexeme lexbuf); end_file file; split lexbuf }
| "("
{ let file = start_file () in
print (lexeme lexbuf); query lexbuf; end_file file; split lexbuf }
| eof
{ () }
| _
{ Buffer.add_string buf (lexeme lexbuf); split lexbuf }
(* copies into [buf] until the end of the S-expression *)
and lisp_copy = parse
| "(" { Buffer.add_char buf '('; lisp_copy lexbuf; lisp_copy lexbuf }
| ")" { Buffer.add_char buf ')' }
| ";" [^'\n']* '\n'
{ Buffer.add_string buf (lexeme lexbuf); lisp_copy lexbuf }
| eof { () }
| _ { Buffer.add_string buf (lexeme lexbuf); lisp_copy lexbuf }
(* prints up to the end of the S-expression *)
and query = parse
| ")" { print ")" }
| "(" { print "("; query lexbuf; query lexbuf }
| ";" [^'\n']* '\n'
{ print (lexeme lexbuf); query lexbuf }
| eof { () }
| _ { print (lexeme lexbuf); query lexbuf }
{
let iter ~debug cb c =
callback := cb;
no_remove := debug;
Buffer.reset buf;
let lb = from_channel c in
split lb
}
|
