Move ambient environment defaults into Env.env
[hcoop/domtool2.git] / src / tycheck.sig
1 (* HCoop Domtool (http://hcoop.sourceforge.net/)
2 * Copyright (c) 2006, Adam Chlipala
3 * Copyright (c) 2014 Clinton Ebadi <clinton@unknownlamer.org>
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 *)
19
20 (* Domtool configuration language type checking *)
21
22 signature TYCHECK = sig
23
24 val checkTyp : Env.env -> Ast.typ -> Ast.typ
25
26 val checkExp : Env.env -> Ast.exp -> Ast.typ
27 val checkUnit : Env.env -> Ast.exp -> Ast.typ
28 (* [checkUnit] checks that all unification variables have been resolved. *)
29
30 val checkDecl : Env.env -> Ast.decl -> Env.env
31
32 val checkFile : Env.env -> Ast.file -> Env.env
33
34 val resetUnif : unit -> unit
35 val newUnif : unit -> Ast.typ'
36
37 val preface : string * Print.PD.pp_desc -> unit
38
39 val allowExterns : unit -> unit
40 val disallowExterns : unit -> unit
41
42 end