1 (* Copyright (C) 2000, HELM Team.
3 * This file is part of HELM, an Hypertextual, Electronic
4 * Library of Mathematics, developed at the Computer Science
5 * Department, University of Bologna, Italy.
7 * HELM is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
12 * HELM is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with HELM; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
22 * For details, see the HELM World-Wide-Web page,
23 * http://cs.unibo.it/helm/.
26 (* AUTOR: Ferruccio Guidi <fguidi@cs.unibo.it>
29 type arity_t = Const of int
33 type eval_spec = {eval : MathQL.query -> MathQL.result;
37 type text_out_spec = {out : string -> unit;
39 path : (string -> unit) -> MathQL.path -> unit;
40 query : (string -> unit) -> string -> MathQL.query -> unit;
41 result : (string -> unit) -> string -> MathQL.result -> unit
44 type text_in_spec = {result_in : Lexing.lexbuf -> MathQL.result}
46 val fun_arity : MathQL.path -> int -> int -> unit
48 val fun_eval : eval_spec -> text_out_spec -> text_in_spec ->
49 MathQL.path -> MathQL.path list -> MathQL.query list ->
52 val fun_txt_out : text_out_spec ->
53 MathQL.path -> MathQL.path list -> MathQL.query list -> unit
55 val gen_arity : MathQL.path -> int -> unit
57 val gen_eval : eval_spec ->
58 MathQL.path -> MathQL.query list -> MathQL.query
60 exception ArityError of MathQL.path * arity_t * int
62 exception NameError of MathQL.path
64 type std_text_out_spec = {s_out : string -> unit;
65 s_path : MathQL.path -> unit;
66 s_query : MathQL.query -> unit;
67 s_result : MathQL.result -> unit
70 val std : text_out_spec -> std_text_out_spec
72 (* function registration ****************************************************)
74 type fun_spec = {arity_p : arity_t;
76 body : eval_spec -> text_out_spec -> text_in_spec ->
77 MathQL.path list -> MathQL.query list -> MathQL.result;
78 txt_out : text_out_spec ->
79 MathQL.path list -> MathQL.query list -> unit
82 val fun_register : MathQL.path -> fun_spec -> unit
84 val fun_arity0 : MathQL.path -> string -> MathQL.result -> fun_spec
86 val fun_arity1 : MathQL.path -> string -> (MathQL.result -> MathQL.result) -> fun_spec
88 val fun_arity2 : MathQL.path -> string -> (MathQL.result -> MathQL.result -> MathQL.result) -> fun_spec
90 val out_txt2 : std_text_out_spec ->
91 string -> MathQL.query -> MathQL.query -> unit
93 val out_txt_ : std_text_out_spec ->
94 MathQL.path -> MathQL.query list -> unit
96 val out_txt_full : std_text_out_spec ->
97 MathQL.path -> MathQL.path list -> MathQL.query list -> unit
99 (* generator registration ***************************************************)
101 type gen_spec = {arity : arity_t;
102 code : eval_spec -> MathQL.query list -> MathQL.query
105 val gen_register : MathQL.path -> gen_spec -> unit