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 | Absurd of loc * 'term
44 | Apply of loc * 'term
45 | ApplyS of loc * 'term * (string * string) list
47 | Auto of loc * (string * string) list
48 | Cases of loc * 'term * 'ident list
49 | Change of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
50 | Clear of loc * 'ident list
51 | ClearBody of loc * 'ident
52 | Constructor of loc * int
53 | Contradiction of loc
54 | Cut of loc * 'ident option * 'term
55 | Decompose of loc * 'ident list
57 | Destruct of loc * 'term
58 | Elim of loc * 'term * 'term option * int option * 'ident list
59 | ElimType of loc * 'term * 'term option * int option * 'ident list
60 | Exact of loc * 'term
63 | Fold of loc * 'reduction * 'lazy_term * ('term, 'lazy_term, 'ident) pattern
65 | FwdSimpl of loc * string * 'ident list
66 | Generalize of loc * ('term, 'lazy_term, 'ident) pattern * 'ident option
67 | Goal of loc * int (* change current goal, argument is goal number 1-based *)
69 | Intros of loc * int option * 'ident list
70 | Inversion of loc * 'term
71 | LApply of loc * bool * int option * 'term list * 'term * 'ident option
73 | LetIn of loc * 'term * 'ident
74 | Reduce of loc * 'reduction * ('term, 'lazy_term, 'ident) pattern
76 | Replace of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
77 | Rewrite of loc * direction * 'term *
78 ('term, 'lazy_term, 'ident) pattern * 'ident list
84 | Transitivity of loc * 'term
85 (* Costruttori Aggiunti *)
86 | Assume of loc * 'ident * 'term
87 | Suppose of loc * 'term *'ident * 'term option
88 | By_term_we_proved of loc *'term option * 'term * 'ident option * 'term option
89 | We_need_to_prove of loc * 'term * 'ident option * 'term option
90 | Bydone of loc * 'term option
91 | We_proceed_by_induction_on of loc * 'term * 'term
92 | We_proceed_by_cases_on of loc * 'term * 'term
93 | Byinduction of loc * 'term * 'ident
94 | Thesisbecomes of loc * 'term
95 | Case of loc * string * (string * 'term) list
96 | ExistsElim of loc * 'term option * 'ident * 'term * 'ident * 'lazy_term
97 | AndElim of loc * 'term * 'ident * 'term * 'ident * 'term
99 loc * (string option * 'term) option * 'term *
100 [ `Term of 'term | `Auto of (string * string) list ] *
103 type search_kind = [ `Locate | `Hint | `Match | `Elim ]
105 type print_kind = [ `Env | `Coer ]
107 type presentation_style = Declarative
108 | Procedural of int option
112 | WHint of loc * 'term
113 | WMatch of loc * 'term
114 | WInstance of loc * 'term
115 | WLocate of loc * string
116 | WElim of loc * 'term
118 | Check of loc * 'term
120 | Inline of loc * presentation_style * string * string
121 (* URI or base-uri, name prefix *)
123 (** To be increased each time the command type below changes, used for "safe"
127 type ('term,'obj) command =
128 | Index of loc * 'term option (* key *) * UriManager.uri (* value *)
129 | Coercion of loc * UriManager.uri * bool (* add_obj *) * int (* arity *)
130 | Default of loc * string * UriManager.uri list
132 | Include of loc * string
135 loc * string * 'term * 'term * 'term option * 'term option * 'term option
136 | Set of loc * string * string
137 | Print of loc * string
140 type ('term, 'lazy_term, 'reduction, 'ident) tactical =
141 | Tactic of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
142 | Do of loc * int * ('term, 'lazy_term, 'reduction, 'ident) tactical
143 | Repeat of loc * ('term, 'lazy_term, 'reduction, 'ident) tactical
144 | Seq of loc * ('term, 'lazy_term, 'reduction, 'ident) tactical list
145 (* sequential composition *)
146 | Then of loc * ('term, 'lazy_term, 'reduction, 'ident) tactical *
147 ('term, 'lazy_term, 'reduction, 'ident) tactical list
148 | First of loc * ('term, 'lazy_term, 'reduction, 'ident) tactical list
149 (* try a sequence of loc * tactical until one succeeds, fail otherwise *)
150 | Try of loc * ('term, 'lazy_term, 'reduction, 'ident) tactical
151 (* try a tactical and mask failures *)
152 | Solve of loc * ('term, 'lazy_term, 'reduction, 'ident) tactical list
153 | Progress of loc * ('term, 'lazy_term, 'reduction, 'ident) tactical
159 | Pos of loc * int list
162 | Focus of loc * int list
168 | Dot _ | Semicolon _ | Branch _ | Shift _ | Merge _ | Pos _ -> true
171 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) code =
172 | Command of loc * ('term, 'obj) command
173 | Macro of loc * 'term macro
174 | Tactical of loc * ('term, 'lazy_term, 'reduction, 'ident) tactical
175 * ('term, 'lazy_term, 'reduction, 'ident) tactical option(* punctuation *)
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