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 ('term, 'ident) type_spec =
37 | Type of UriManager.uri * int
39 type 'lazy_term reduction =
43 | `Unfold of 'lazy_term option
46 type ('term, 'lazy_term, 'reduction, 'ident) tactic =
47 | Absurd of loc * 'term
48 | Apply of loc * 'term
49 | ApplyS of loc * 'term * (string * string) list
51 | Auto of loc * (string * string) list
52 | Change of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
53 | Clear of loc * 'ident list
54 | ClearBody of loc * 'ident
55 | Constructor of loc * int
56 | Contradiction of loc
57 | Cut of loc * 'ident option * 'term
58 | Decompose of loc * ('term, 'ident) type_spec list * 'ident option * 'ident list
60 | Destruct of loc * 'term
61 | Elim of loc * 'term * 'term option * int option * 'ident list
62 | ElimType of loc * 'term * 'term option * int option * 'ident list
63 | Exact of loc * 'term
66 | Fold of loc * 'reduction * 'lazy_term * ('term, 'lazy_term, 'ident) pattern
68 | FwdSimpl of loc * string * 'ident list
69 | Generalize of loc * ('term, 'lazy_term, 'ident) pattern * 'ident option
70 | Goal of loc * int (* change current goal, argument is goal number 1-based *)
72 | Intros of loc * int option * 'ident list
73 | Inversion of loc * 'term
74 | LApply of loc * bool * int option * 'term list * 'term * 'ident option
76 | LetIn of loc * 'term * 'ident
77 | Reduce of loc * 'reduction * ('term, 'lazy_term, 'ident) pattern
79 | Replace of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
80 | Rewrite of loc * direction * 'term *
81 ('term, 'lazy_term, 'ident) pattern
87 | Transitivity of loc * 'term
88 (* Costruttori Aggiunti *)
89 | Assume of loc * 'ident * 'term
90 | Suppose of loc * 'term *'ident * 'term option
91 | By_term_we_proved of loc *'term option * 'term * 'ident option * 'term option
92 | We_need_to_prove of loc * 'term * 'ident option * 'term option
93 | Bydone of loc * 'term option
94 | We_proceed_by_induction_on of loc * 'term * 'term
95 | Byinduction of loc * 'term * 'ident
96 | Thesisbecomes of loc * 'term
97 | Case of loc * string * (string * 'term) list
98 | ExistsElim of loc * 'term * 'ident * 'term * 'ident * 'term
99 | AndElim of loc * 'term * 'ident * 'term * 'ident * 'term
101 loc * 'term option * 'term * 'term option * Cic.name option
103 type search_kind = [ `Locate | `Hint | `Match | `Elim ]
105 type print_kind = [ `Env | `Coer ]
109 | WHint of loc * 'term
110 | WMatch of loc * 'term
111 | WInstance of loc * 'term
112 | WLocate of loc * string
113 | WElim of loc * 'term
115 | Check of loc * 'term
117 | Inline of loc * string (* the string is a URI or a base-uri *)
119 (** To be increased each time the command type below changes, used for "safe"
123 type ('term,'obj) command =
124 | Coercion of loc * UriManager.uri * bool (* add_obj *) * int (* arity *)
125 | Default of loc * string * UriManager.uri list
127 | Include of loc * string
130 loc * string * 'term * 'term * 'term option * 'term option * 'term option
131 | Set of loc * string * string
132 | Print of loc * string
135 type ('term, 'lazy_term, 'reduction, 'ident) tactical =
136 | Tactic of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
137 | Do of loc * int * ('term, 'lazy_term, 'reduction, 'ident) tactical
138 | Repeat of loc * ('term, 'lazy_term, 'reduction, 'ident) tactical
139 | Seq of loc * ('term, 'lazy_term, 'reduction, 'ident) tactical list
140 (* sequential composition *)
141 | Then of loc * ('term, 'lazy_term, 'reduction, 'ident) tactical *
142 ('term, 'lazy_term, 'reduction, 'ident) tactical list
143 | First of loc * ('term, 'lazy_term, 'reduction, 'ident) tactical list
144 (* try a sequence of loc * tactical until one succeeds, fail otherwise *)
145 | Try of loc * ('term, 'lazy_term, 'reduction, 'ident) tactical
146 (* try a tactical and mask failures *)
147 | Solve of loc * ('term, 'lazy_term, 'reduction, 'ident) tactical list
148 | Progress of loc * ('term, 'lazy_term, 'reduction, 'ident) tactical
154 | Pos of loc * int list
157 | Focus of loc * int list
163 | Dot _ | Semicolon _ | Branch _ | Shift _ | Merge _ | Pos _ -> true
166 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) code =
167 | Command of loc * ('term, 'obj) command
168 | Macro of loc * 'term macro
169 | Tactical of loc * ('term, 'lazy_term, 'reduction, 'ident) tactical
170 * ('term, 'lazy_term, 'reduction, 'ident) tactical option(* punctuation *)
172 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment =
173 | Note of loc * string
174 | Code of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
176 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) statement =
177 | Executable of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
178 | Comment of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment