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492c1cff AC |
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 | (* Domtool type-checking and reduction environments *) | |
20 | ||
21 | signature ENV = sig | |
22 | ||
a3698041 AC |
23 | type typeRule = Ast.exp -> bool |
24 | val registerType : string * typeRule -> unit | |
25 | val typeRule : string -> typeRule option | |
26 | ||
27 | type env_vars = Ast.exp Ast.StringMap.map | |
28 | type action = env_vars * Ast.exp list -> env_vars | |
29 | val registerAction : string * action -> unit | |
30 | val action : string -> action option | |
31 | ||
32 | val registerContainer : string * action * (unit -> unit) -> unit | |
33 | val container : string -> (action * (unit -> unit)) option | |
34 | ||
35 | val badArgs : string -> 'a | |
6be996d4 | 36 | |
492c1cff AC |
37 | type env |
38 | val empty : env | |
39 | ||
40 | val bindType : env -> string -> env | |
41 | val bindVal : env -> string * Ast.typ * Ast.exp option -> env | |
42 | ||
43 | val lookupType : env -> string -> bool | |
44 | val lookupVal : env -> string -> Ast.typ option | |
45 | val lookupEquation : env -> string -> Ast.exp option | |
46 | ||
47 | end |