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 'ident intros_spec = int option * 'ident option list
44 type ('term, 'lazy_term, 'reduction, 'ident) tactic =
45 (* Higher order tactics (i.e. tacticals) *)
46 | Do of loc * int * ('term, 'lazy_term, 'reduction, 'ident) tactic
47 | Repeat of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
48 | Seq of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
49 (* sequential composition *)
50 | Then of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic *
51 ('term, 'lazy_term, 'reduction, 'ident) tactic list
52 | First of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
53 (* try a sequence of loc * tactic until one succeeds, fail otherwise *)
54 | Try of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
55 (* try a tactic and mask failures *)
56 | Solve of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
57 | Progress of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
59 | Absurd of loc * 'term
60 | Apply of loc * 'term
61 | ApplyS of loc * 'term * (string * string) list
63 | AutoBatch of loc * (string * string) list
64 | Cases of loc * 'term * 'ident intros_spec
65 | Change of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
66 | Clear of loc * 'ident list
67 | ClearBody of loc * 'ident
68 | Compose of loc * 'term * 'term option * int * 'ident intros_spec
69 | Constructor of loc * int
70 | Contradiction of loc
71 | Cut of loc * 'ident option * 'term
72 | Decompose of loc * 'ident option list
74 | Destruct of loc * 'term
75 | Elim of loc * 'term * 'term option * ('term, 'lazy_term, 'ident) pattern *
77 | ElimType of loc * 'term * 'term option * 'ident intros_spec
78 | Exact of loc * 'term
81 | Fold of loc * 'reduction * 'lazy_term * ('term, 'lazy_term, 'ident) pattern
83 | FwdSimpl of loc * string * 'ident option list
84 | Generalize of loc * ('term, 'lazy_term, 'ident) pattern * 'ident option
86 | Intros of loc * 'ident intros_spec
87 | Inversion of loc * 'term
88 | LApply of loc * bool * int option * 'term list * 'term * 'ident option
90 | LetIn of loc * 'term * 'ident
91 | Reduce of loc * 'reduction * ('term, 'lazy_term, 'ident) pattern
93 | Replace of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
94 | Rewrite of loc * direction * 'term *
95 ('term, 'lazy_term, 'ident) pattern * 'ident option list
101 | Transitivity of loc * 'term
102 (* Costruttori Aggiunti *)
103 | Assume of loc * 'ident * 'term
104 | Suppose of loc * 'term *'ident * 'term option
105 | By_term_we_proved of loc *'term option * 'term * 'ident option * 'term option
106 | We_need_to_prove of loc * 'term * 'ident option * 'term option
107 | Bydone of loc * 'term option
108 | We_proceed_by_induction_on of loc * 'term * 'term
109 | We_proceed_by_cases_on of loc * 'term * 'term
110 | Byinduction of loc * 'term * 'ident
111 | Thesisbecomes of loc * 'term
112 | Case of loc * string * (string * 'term) list
113 | ExistsElim of loc * 'term option * 'ident * 'term * 'ident * 'lazy_term
114 | AndElim of loc * 'term * 'ident * 'term * 'ident * 'term
116 loc * (string option * 'term) option * 'term *
117 [ `Term of 'term | `Auto of (string * string) list | `Proof ] *
120 type search_kind = [ `Locate | `Hint | `Match | `Elim ]
122 type print_kind = [ `Env | `Coer ]
124 type presentation_style = Declarative
125 | Procedural of int option
129 | WHint of loc * 'term
130 | WMatch of loc * 'term
131 | WInstance of loc * 'term
132 | WLocate of loc * string
133 | WElim of loc * 'term
135 | Check of loc * 'term
137 | AutoInteractive of loc * (string * string) list
138 | Inline of loc * presentation_style * string * string
139 (* URI or base-uri, name prefix *)
141 (** To be increased each time the command type below changes, used for "safe"
145 type ('term,'obj) command =
146 | Index of loc * 'term option (* key *) * UriManager.uri (* value *)
147 | Coercion of loc * UriManager.uri * bool (* add_obj *) * int (* arity *)
148 | Default of loc * string * UriManager.uri list
150 | Include of loc * string
153 loc * string * 'term * 'term * 'term option * 'term option * 'term option
154 | Set of loc * string * string
155 | Print of loc * string
158 type ('term, 'lazy_term, 'reduction, 'ident) punctuation_tactical =
163 | Pos of loc * int list
167 type ('term,'lazy_term,'reduction,'ident) non_punctuation_tactical =
168 | Focus of loc * int list
172 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) code =
173 | Command of loc * ('term, 'obj) command
174 | Macro of loc * 'term macro
175 | Tactic of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic option
176 * ('term, 'lazy_term, 'reduction, 'ident) punctuation_tactical
177 | NonPunctuationTactical of loc
178 * ('term, 'lazy_term, 'reduction, 'ident) non_punctuation_tactical
179 * ('term, 'lazy_term, 'reduction, 'ident) punctuation_tactical
181 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment =
182 | Note of loc * string
183 | Code of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
185 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) statement =
186 | Executable of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
187 | Comment of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment