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/
28 type direction = [ `LeftToRight | `RightToLeft ]
30 type loc = Token.flocation
32 type ('term, 'lazy_term, 'ident) pattern =
33 'lazy_term option * ('ident * 'term) list * 'term option
35 type 'lazy_term reduction =
39 | `Unfold of 'lazy_term option
42 type ('term, 'lazy_term, 'reduction, 'ident) tactic =
43 (* Higher order tactics (i.e. tacticals) *)
44 | Do of loc * int * ('term, 'lazy_term, 'reduction, 'ident) tactic
45 | Repeat of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
46 | Seq of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
47 (* sequential composition *)
48 | Then of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic *
49 ('term, 'lazy_term, 'reduction, 'ident) tactic list
50 | First of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
51 (* try a sequence of loc * tactic until one succeeds, fail otherwise *)
52 | Try of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
53 (* try a tactic and mask failures *)
54 | Solve of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
55 | Progress of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
57 | Absurd of loc * 'term
58 | Apply of loc * 'term
59 | ApplyS of loc * 'term * (string * string) list
61 | Auto of loc * (string * string) list
62 | Cases of loc * 'term * 'ident list
63 | Change of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
64 | Clear of loc * 'ident list
65 | ClearBody of loc * 'ident
66 | Constructor of loc * int
67 | Contradiction of loc
68 | Cut of loc * 'ident option * 'term
69 | Decompose of loc * 'ident list
71 | Destruct of loc * 'term
72 | Elim of loc * 'term * 'term option * ('term, 'lazy_term, 'ident) pattern *
73 int option * 'ident list
74 | ElimType of loc * 'term * 'term option * int option * 'ident list
75 | Exact of loc * 'term
78 | Fold of loc * 'reduction * 'lazy_term * ('term, 'lazy_term, 'ident) pattern
80 | FwdSimpl of loc * string * 'ident list
81 | Generalize of loc * ('term, 'lazy_term, 'ident) pattern * 'ident option
83 | Intros of loc * int option * 'ident list
84 | Inversion of loc * 'term
85 | LApply of loc * bool * int option * 'term list * 'term * 'ident option
87 | LetIn of loc * 'term * 'ident
88 | Reduce of loc * 'reduction * ('term, 'lazy_term, 'ident) pattern
90 | Replace of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
91 | Rewrite of loc * direction * 'term *
92 ('term, 'lazy_term, 'ident) pattern * 'ident list
98 | Transitivity of loc * 'term
99 (* Costruttori Aggiunti *)
100 | Assume of loc * 'ident * 'term
101 | Suppose of loc * 'term *'ident * 'term option
102 | By_term_we_proved of loc *'term option * 'term * 'ident option * 'term option
103 | We_need_to_prove of loc * 'term * 'ident option * 'term option
104 | Bydone of loc * 'term option
105 | We_proceed_by_induction_on of loc * 'term * 'term
106 | We_proceed_by_cases_on of loc * 'term * 'term
107 | Byinduction of loc * 'term * 'ident
108 | Thesisbecomes of loc * 'term
109 | Case of loc * string * (string * 'term) list
110 | ExistsElim of loc * 'term option * 'ident * 'term * 'ident * 'lazy_term
111 | AndElim of loc * 'term * 'ident * 'term * 'ident * 'term
113 loc * (string option * 'term) option * 'term *
114 [ `Term of 'term | `Auto of (string * string) list ] *
117 type search_kind = [ `Locate | `Hint | `Match | `Elim ]
119 type print_kind = [ `Env | `Coer ]
121 type presentation_style = Declarative
122 | Procedural of int option
126 | WHint of loc * 'term
127 | WMatch of loc * 'term
128 | WInstance of loc * 'term
129 | WLocate of loc * string
130 | WElim of loc * 'term
132 | Check of loc * 'term
134 | Inline of loc * presentation_style * string * string
135 (* URI or base-uri, name prefix *)
137 (** To be increased each time the command type below changes, used for "safe"
141 type ('term,'obj) command =
142 | Index of loc * 'term option (* key *) * UriManager.uri (* value *)
143 | Coercion of loc * UriManager.uri * bool (* add_obj *) * int (* arity *)
144 | Default of loc * string * UriManager.uri list
146 | Include of loc * string
149 loc * string * 'term * 'term * 'term option * 'term option * 'term option
150 | Set of loc * string * string
151 | Print of loc * string
154 type ('term, 'lazy_term, 'reduction, 'ident) punctuation_tactical =
159 | Pos of loc * int list
163 type ('term,'lazy_term,'reduction,'ident) non_punctuation_tactical =
164 | Focus of loc * int list
168 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) code =
169 | Command of loc * ('term, 'obj) command
170 | Macro of loc * 'term macro
171 | Tactic of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic option
172 * ('term, 'lazy_term, 'reduction, 'ident) punctuation_tactical
173 | NonPunctuationTactical of loc
174 * ('term, 'lazy_term, 'reduction, 'ident) non_punctuation_tactical
175 * ('term, 'lazy_term, 'reduction, 'ident) punctuation_tactical
177 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment =
178 | Note of loc * string
179 | Code of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
181 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) statement =
182 | Executable of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
183 | Comment of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment