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
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 | Discriminate 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 | Injection of loc * 'term
73 | Intros of loc * int option * 'ident list
74 | Inversion of loc * 'term
75 | LApply of loc * bool * int option * 'term list * 'term * 'ident option
77 | LetIn of loc * 'term * 'ident
78 | Reduce of loc * 'reduction * ('term, 'lazy_term, 'ident) pattern
80 | Replace of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
81 | Rewrite of loc * direction * 'term *
82 ('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
91 | By_term_we_proved of loc * 'term * 'term * 'ident
92 | We_need_to_prove of loc * 'term * 'ident
93 | Bydone of loc * 'term
95 type search_kind = [ `Locate | `Hint | `Match | `Elim ]
97 type print_kind = [ `Env | `Coer ]
101 | WHint of loc * 'term
102 | WMatch of loc * 'term
103 | WInstance of loc * 'term
104 | WLocate of loc * string
105 | WElim of loc * 'term
108 | Print of loc * string
109 | Check of loc * 'term
112 (* | Redo of loc * int option
113 | Undo of loc * int option *)
114 (* | Print of loc * print_kind *)
115 | Search_pat of loc * search_kind * string (* searches with string pattern *)
116 | Search_term of loc * search_kind * 'term (* searches with term pattern *)
118 (** To be increased each time the command type below changes, used for "safe"
123 | Default of loc * string * UriManager.uri list
124 | Include of loc * string
125 | Set of loc * string * string
128 | Coercion of loc * UriManager.uri * bool (* add composites *)
131 type ('term, 'lazy_term, 'reduction, 'ident) tactical =
132 | Tactic of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
133 | Do of loc * int * ('term, 'lazy_term, 'reduction, 'ident) tactical
134 | Repeat of loc * ('term, 'lazy_term, 'reduction, 'ident) tactical
135 | Seq of loc * ('term, 'lazy_term, 'reduction, 'ident) tactical list
136 (* sequential composition *)
137 | Then of loc * ('term, 'lazy_term, 'reduction, 'ident) tactical *
138 ('term, 'lazy_term, 'reduction, 'ident) tactical list
139 | First of loc * ('term, 'lazy_term, 'reduction, 'ident) tactical list
140 (* try a sequence of loc * tactical until one succeeds, fail otherwise *)
141 | Try of loc * ('term, 'lazy_term, 'reduction, 'ident) tactical
142 (* try a tactical and mask failures *)
143 | Solve of loc * ('term, 'lazy_term, 'reduction, 'ident) tactical list
149 | Pos of loc * int list
152 | Focus of loc * int list
158 | Dot _ | Semicolon _ | Branch _ | Shift _ | Merge _ | Pos _ -> true
161 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) code =
162 | Command of loc * 'obj command
163 | Macro of loc * 'term macro
164 | Tactical of loc * ('term, 'lazy_term, 'reduction, 'ident) tactical
165 * ('term, 'lazy_term, 'reduction, 'ident) tactical option(* punctuation *)
167 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment =
168 | Note of loc * string
169 | Code of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
171 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) statement =
172 | Executable of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
173 | Comment of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment