bbf1091fbf0104732b967edacc2f3f129f7120cd
[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 ()
43 end
44 end
45
46 fun reduce fname =
47 let
48 val prog = Parse.parse fname
49 in
50 if !ErrorMsg.anyErrors then
51 ()
52 else
53 let
54 val G' = Tycheck.checkFile Env.empty tInit prog
55 in
56 if !ErrorMsg.anyErrors then
57 ()
58 else
59 case prog of
60 (_, SOME body) =>
61 let
62 val body' = Reduce.reduceExp G' body
63 in
64 printd (PD.hovBox (PD.PPS.Rel 0,
65 [PD.string "Result:",
66 PD.space 1,
67 p_exp body']))
68 end
69 | _ => ()
70 end
71 end
72
73 fun eval fname =
74 let
75 val prog = Parse.parse fname
76 in
77 if !ErrorMsg.anyErrors then
78 ()
79 else
80 let
81 val G' = Tycheck.checkFile Env.empty tInit prog
82 in
83 if !ErrorMsg.anyErrors then
84 ()
85 else
86 case prog of
87 (_, SOME body) =>
88 let
89 val body' = Reduce.reduceExp G' body
90 in
91 if !ErrorMsg.anyErrors then
92 ()
93 else
94 Eval.exec StringMap.empty body'
95 end
96 | _ => ()
97 end
98 end
99
100 end