-(* Copyright (C) 2000, HELM Team.
- *
- * This file is part of HELM, an Hypertextual, Electronic
- * Library of Mathematics, developed at the Computer Science
- * Department, University of Bologna, Italy.
- *
- * HELM is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * HELM is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with HELM; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- * MA 02111-1307, USA.
- *
- * For details, see the HELM World-Wide-Web page,
- * http://cs.unibo.it/helm/.
- *)
+(*
+ ||M|| This file is part of HELM, an Hypertextual, Electronic
+ ||A|| Library of Mathematics, developed at the Computer Science
+ ||T|| Department, University of Bologna, Italy.
+ ||I||
+ ||T|| HELM is free software; you can redistribute it and/or
+ ||A|| modify it under the terms of the GNU General Public License
+ \ / version 2 or (at your option) any later version.
+ \ / This software is distributed as is, NO WARRANTY.
+ V_______________________________________________________________ *)
type id = string (* identifier *)
-type qid = id * bool * id list (* qualified identifier: name, is local?, qualifiers *)
+type qid = id * bool * id list (* qualified identifier: name, local?, path *)
type term = Sort of bool (* sorts: true = TYPE, false = PROP *)
| GRef of qid * term list (* reference: name, arguments *)
| Appl of term * term (* application: argument, function *)
- | Abst of id * term * term (* abstraction: name, type, body *)
+ | Abst of id * term * term (* abstraction: name, domain, scope *)
-type item = Section of id option (* section: Some = open/reopen, None = close last *)
- | Context of qid option (* context: Some = last node, None = root *)
- | Block of id * term (* block opener: name, type *)
- | Decl of id * term (* declaration: name, type *)
- | Def of id * term * bool * term (* definition: name, type, transparent?, body *)
-
-type book = item list (* book *)
+type command = Section of (bool * id) option (* section: Some true = open, Some false = reopen, None = close last *)
+ | Context of qid option (* context: Some = last node, None = root *)
+ | Block of id * term (* block opener: name, domain *)
+ | Decl of id * term (* declaration: name, domain *)
+ | Def of id * term * bool * term (* definition: name, domain, transparent?, body *)