Reduction
[hcoop/domtool2.git] / src / main.sml
1 (* HCoop Domtool (http://hcoop.sourceforge.net/)
2 * Copyright (c) 2006, Adam Chlipala
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version 2
7 * of the License, or (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
17 *)
18
19 (* Main interface *)
20
21 structure Main :> MAIN = struct
22
23 open Ast Print
24
25 val dmy = ErrorMsg.dummyLoc
26
27 val tInit = (TAction ((CRoot, dmy),
28 StringMap.empty,
29 StringMap.empty),
30 dmy)
31
32 fun check fname =
33 let
34 val prog = Parse.parse fname
35 in
36 if !ErrorMsg.anyErrors then
37 ()
38 else
39 let
40 val G' = Tycheck.checkFile Env.empty tInit prog
41 in
42 if !ErrorMsg.anyErrors then
43 ()
44 else
45 case prog of
46 (_, SOME body) =>
47 let
48 val body' = Reduce.reduceExp G' body
49 in
50 printd (PD.hovBox (PD.PPS.Rel 0,
51 [PD.string "Result:",
52 PD.space 1,
53 p_exp body']))
54 end
55 | _ => ()
56 end
57 end
58
59 end