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 = Stdpp.location
32 type ('term, 'lazy_term, 'ident) pattern =
33 'lazy_term option * ('ident * 'term) list * 'term option
35 type 'lazy_term reduction =
38 | `Unfold of 'lazy_term option
41 type 'ident intros_spec = int option * 'ident option list
43 type 'term auto_params = 'term list * (string*string) list
45 type ('term, 'lazy_term, 'reduction, 'ident) tactic =
46 (* Higher order tactics (i.e. tacticals) *)
47 | Do of loc * int * ('term, 'lazy_term, 'reduction, 'ident) tactic
48 | Repeat of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
49 | Seq of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
50 (* sequential composition *)
51 | Then of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic *
52 ('term, 'lazy_term, 'reduction, 'ident) tactic list
53 | First of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
54 (* try a sequence of loc * tactic until one succeeds, fail otherwise *)
55 | Try of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
56 (* try a tactic and mask failures *)
57 | Solve of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
58 | Progress of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
60 | Absurd of loc * 'term
61 | Apply of loc * 'term
62 | ApplyS of loc * 'term * 'term auto_params
64 | AutoBatch of loc * 'term auto_params
65 | Cases of loc * 'term * 'ident intros_spec
66 | Change of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
67 | Clear of loc * 'ident list
68 | ClearBody of loc * 'ident
69 | Compose of loc * 'term * 'term option * int * 'ident intros_spec
70 | Constructor of loc * int
71 | Contradiction of loc
72 | Cut of loc * 'ident option * 'term
73 | Decompose of loc * 'ident option list
74 | Demodulate of loc * 'term auto_params
75 | Destruct of loc * 'term list option
76 | Elim of loc * 'term * 'term option * ('term, 'lazy_term, 'ident) pattern *
78 | ElimType of loc * 'term * 'term option * 'ident intros_spec
79 | Exact of loc * 'term
82 | Fold of loc * 'reduction * 'lazy_term * ('term, 'lazy_term, 'ident) pattern
84 | FwdSimpl of loc * string * 'ident option list
85 | Generalize of loc * ('term, 'lazy_term, 'ident) pattern * 'ident option
87 | Intros of loc * 'ident intros_spec
88 | Inversion of loc * 'term
89 | LApply of loc * bool * int option * 'term list * 'term * 'ident option
91 | LetIn of loc * 'term * 'ident
92 | Reduce of loc * 'reduction * ('term, 'lazy_term, 'ident) pattern
94 | Replace of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
95 | Rewrite of loc * direction * 'term *
96 ('term, 'lazy_term, 'ident) pattern * 'ident option list
101 | Transitivity of loc * 'term
102 (* Declarative language *)
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 'term auto_params
118 | `Proof | `SolveWith of 'term ] *
121 type search_kind = [ `Locate | `Hint | `Match | `Elim ]
123 type print_kind = [ `Env | `Coer ]
125 type presentation_style = Declarative
126 | Procedural of int option
130 | WHint of loc * 'term
131 | WMatch of loc * 'term
132 | WInstance of loc * 'term
133 | WLocate of loc * string
134 | WElim of loc * 'term
136 | Check of loc * 'term
138 | AutoInteractive of loc * 'term auto_params
139 | Inline of loc * presentation_style * string * string
140 (* URI or base-uri, name prefix *)
142 (** To be increased each time the command type below changes, used for "safe"
146 type ('term,'obj) command =
147 | Index of loc * 'term option (* key *) * UriManager.uri (* value *)
148 | Coercion of loc * UriManager.uri * bool (* add_obj *) *
149 int (* arity *) * int (* saturations *)
150 | Default of loc * string * UriManager.uri list
152 | Include of loc * string
155 loc * string * 'term * 'term * 'term option * 'term option * 'term option
156 | Set of loc * string * string
157 | Print of loc * string
160 type ('term, 'lazy_term, 'reduction, 'ident) punctuation_tactical =
165 | Pos of loc * int list
169 type ('term,'lazy_term,'reduction,'ident) non_punctuation_tactical =
170 | Focus of loc * int list
174 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) code =
175 | Command of loc * ('term, 'obj) command
176 | Macro of loc * 'term macro
177 | Tactic of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic option
178 * ('term, 'lazy_term, 'reduction, 'ident) punctuation_tactical
179 | NonPunctuationTactical of loc
180 * ('term, 'lazy_term, 'reduction, 'ident) non_punctuation_tactical
181 * ('term, 'lazy_term, 'reduction, 'ident) punctuation_tactical
183 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment =
184 | Note of loc * string
185 | Code of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
187 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) statement =
188 | Executable of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
189 | Comment of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment