(* spi-calculus-like processes.
   Copyright (C) 2004 Jean Goubault-Larrecq and LSV, CNRS UMR 8643 & ENS Cachan
   and INRIA Futurs projet SECSI.

   This file is part of ispi.

   ispi is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2, or (at your option)
   any later version.

   ispi 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 for more details.

   You should have received a copy of the GNU General Public License
   along with ispi; see the file COPYING.  If not, write to
   the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*)

open "process_h";

fun print_spi_term (f as |[put, ...]|) =
    let fun pterm (SPI_VAR x) = put x
	  | pterm (SPI_APPL ("crypt", [t, u])) =
	    (put "{"; pterm t; put "}"; pterm u)
	  | pterm (SPI_APPL ("acrypt", [t, u])) =
	    (put "["; pterm t; put "]"; pterm u)
	  | pterm (SPI_APPL (f, l)) =
	    (put f; put "(";
	     let val delimr = ref ""
	     in
		 iterate
		   (put (!delimr); delimr := ",";
		    pterm t)
		 | t in list l
		 end
	     end;
	     put ")")
    in
	pterm
    end;

fun mangle (f as |[put, ...]|) =
    |[ put = (fn s =>
		 iterate
		   put (case c of
			    "(" => "_of_"
			  | ")" => "_end"
			  | "{" => "_oc_"
			  | "}" => "_cc_"
			  | "[" => "_ob_"
			  | "]" => "_cb_"
			  | "," => "_and_"
			  | "=" => "_eq_"
			  | "_" => "__"
			  | _ => c)
		 | c in list explode s
		 end) ]|;