Type-checking goodies in place
[hcoop/domtool2.git] / src / tycheck.sig
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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 configuration language type checking *)
20
21signature TYCHECK = sig
22
234b917a 23 type env
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24 val empty : env
25
234b917a 26 val checkTyp : env -> Ast.typ -> Ast.typ
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234b917a 28 val checkExp : env -> Ast.exp -> Ast.typ
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29 val checkUnit : env -> Ast.exp -> Ast.typ
30 (* [checkUnit] checks that all unification variables have been resolved. *)
31
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32 val checkDecl : env -> Ast.decl -> env
33
34 val checkFile : env -> Ast.typ -> Ast.file -> env
35
27d9de59 36end