1 (* Copyright (C) 2004, 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://helm.cs.unibo.it/
26 type direction = [ `Left | `Right ]
27 type reduction_kind = [ `Reduce | `Simpl | `Whd | `Normalize ]
29 type loc = CicAst.location
31 type ('term, 'ident) pattern =
32 ('ident * 'term) list * 'term option
34 type ('term, 'ident) tactic =
35 | Absurd of loc * 'term
36 | Apply of loc * 'term
38 | Auto of loc * int option * int option (* depth, width *)
39 | Change of loc * 'term * 'term * ('term,'ident) pattern (* what, with what, where *)
40 | Clear of loc * 'ident
41 | ClearBody of loc * 'ident
42 | Compare of loc * 'term
43 | Constructor of loc * int
44 | Contradiction of loc
45 | Cut of loc * 'ident option * 'term
46 | DecideEquality of loc
47 | Decompose of loc * 'term
48 | Discriminate of loc * 'term
49 | Elim of loc * 'term * 'term option (* what to elim, which principle to use *)
50 | ElimType of loc * 'term
51 | Exact of loc * 'term
54 | Fold of loc * reduction_kind * 'term * ('term, 'ident) pattern
56 | FwdSimpl of loc * 'term
57 | Generalize of loc * 'term * 'ident option * ('term, 'ident) pattern
58 | Goal of loc * int (* change current goal, argument is goal number 1-based *)
60 | Injection of loc * 'term
61 | Intros of loc * int option * 'ident list
62 | LApply of loc * 'term option * 'term
64 | LetIn of loc * 'term * 'ident
65 | Reduce of loc * reduction_kind * ('term, 'ident) pattern
67 | Replace of loc * ('term, 'ident) pattern * 'term
68 | Rewrite of loc * direction * 'term * ('term, 'ident) pattern
73 | Transitivity of loc * 'term
83 (** <name, inductive/coinductive, type, constructor list>
84 * true means inductive, false coinductive *)
85 type 'term inductive_type = string * bool * 'term * (string * 'term) list
87 type search_kind = [ `Locate | `Hint | `Match | `Elim ]
89 type print_kind = [ `Env | `Coer ]
93 | WHint of loc * 'term
94 | WMatch of loc * 'term
95 | WInstance of loc * 'term
96 | WLocate of loc * string
97 | WElim of loc * 'term
100 | Print of loc * string
101 | Check of loc * 'term
104 (* | Redo of loc * int option
105 | Undo of loc * int option *)
106 (* | Print of loc * print_kind *)
107 | Search_pat of loc * search_kind * string (* searches with string pattern *)
108 | Search_term of loc * search_kind * 'term (* searches with term pattern *)
111 | Ident_alias of string * string (* identifier, uri *)
112 | Symbol_alias of string * int * string (* name, instance no, description *)
113 | Number_alias of int * string (* instance no, description *)
116 | Inductive of (string * CicAst.term) list * CicAst.term inductive_type list
117 (** parameters, list of loc * mutual inductive types *)
118 | Theorem of thm_flavour * string * CicAst.term * CicAst.term option
119 (** flavour, name, type, body
120 * - name is absent when an unnamed theorem is being proved, tipically in
122 * - body is present when its given along with the command, otherwise it
123 * will be given in proof editing mode using the tactical language
126 (string * CicAst.term) list * string * CicAst.term *
127 (string * CicAst.term) list
129 type ('term,'obj) command =
130 | Set of loc * string * string
133 * Name is needed when theorem was started without providing a name
135 | Coercion of loc * 'term
136 | Alias of loc * alias_spec
137 (** parameters, name, type, fields *)
140 type ('term, 'ident) tactical =
141 | Tactic of loc * ('term, 'ident) tactic
142 | Do of loc * int * ('term, 'ident) tactical
143 | Repeat of loc * ('term, 'ident) tactical
144 | Seq of loc * ('term, 'ident) tactical list (* sequential composition *)
145 | Then of loc * ('term, 'ident) tactical * ('term, 'ident) tactical list
146 | Tries of loc * ('term, 'ident) tactical list
147 (* try a sequence of loc * tacticals until one succeeds, fail otherwise *)
148 | Try of loc * ('term, 'ident) tactical (* try a tactical and mask failures *)
151 type ('term, 'obj, 'ident) code =
152 | Command of loc * ('term,'obj) command
153 | Macro of loc * 'term macro
154 (* Macro are substantially queries, but since we are not the kind of
155 * peolpe that like to push "start" to turn off the computer
156 * we added this command *)
157 | Tactical of loc * ('term, 'ident) tactical
159 type ('term, 'obj, 'ident) comment =
160 | Note of loc * string
161 | Code of loc * ('term, 'obj, 'ident) code
163 type ('term, 'obj, 'ident) statement =
164 | Executable of loc * ('term, 'obj, 'ident) code
165 | Comment of loc * ('term, 'obj, 'ident) comment