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
47 | `Auto of 'term auto_params ]
49 type ('term, 'lazy_term, 'reduction, 'ident) tactic =
50 (* Higher order tactics (i.e. tacticals) *)
51 | Do of loc * int * ('term, 'lazy_term, 'reduction, 'ident) tactic
52 | Repeat of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
53 | Seq of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
54 (* sequential composition *)
55 | Then of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic *
56 ('term, 'lazy_term, 'reduction, 'ident) tactic list
57 | First of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
58 (* try a sequence of loc * tactic until one succeeds, fail otherwise *)
59 | Try of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
60 (* try a tactic and mask failures *)
61 | Solve of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
62 | Progress of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
64 | Absurd of loc * 'term
65 | Apply of loc * 'term
66 | ApplyS of loc * 'term * 'term auto_params
68 | AutoBatch of loc * 'term auto_params
69 | Cases of loc * 'term * ('term, 'lazy_term, 'ident) pattern *
71 | Change of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
72 | Clear of loc * 'ident list
73 | ClearBody of loc * 'ident
74 | Compose of loc * 'term * 'term option * int * 'ident intros_spec
75 | Constructor of loc * int
76 | Contradiction of loc
77 | Cut of loc * 'ident option * 'term
78 | Decompose of loc * 'ident option list
79 | Demodulate of loc * 'term auto_params
80 | Destruct of loc * 'term list option
81 | Elim of loc * 'term * 'term option * ('term, 'lazy_term, 'ident) pattern *
83 | ElimType of loc * 'term * 'term option * 'ident intros_spec
84 | Exact of loc * 'term
87 | Fold of loc * 'reduction * 'lazy_term * ('term, 'lazy_term, 'ident) pattern
89 | FwdSimpl of loc * string * 'ident option list
90 | Generalize of loc * ('term, 'lazy_term, 'ident) pattern * 'ident option
92 | Intros of loc * 'ident intros_spec
93 | Inversion of loc * 'term
94 | LApply of loc * bool * int option * 'term list * 'term * 'ident option
96 | LetIn of loc * 'term * 'ident
97 | Reduce of loc * 'reduction * ('term, 'lazy_term, 'ident) pattern
99 | Replace of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
100 | Rewrite of loc * direction * 'term *
101 ('term, 'lazy_term, 'ident) pattern * 'ident option list
106 | Transitivity of loc * 'term
107 (* Declarative language *)
108 | Assume of loc * 'ident * 'term
109 | Suppose of loc * 'term *'ident * 'term option
110 | By_just_we_proved of loc * 'term just *
111 'term * 'ident option * 'term option
112 | We_need_to_prove of loc * 'term * 'ident option * 'term option
113 | Bydone of loc * 'term just
114 | We_proceed_by_induction_on of loc * 'term * 'term
115 | We_proceed_by_cases_on of loc * 'term * 'term
116 | Byinduction of loc * 'term * 'ident
117 | Thesisbecomes of loc * 'term
118 | Case of loc * string * (string * 'term) list
119 | ExistsElim of loc * 'term just * 'ident * 'term * 'ident * 'lazy_term
120 | AndElim of loc * 'term just * 'ident * 'term * 'ident * 'term
122 loc * (string option * 'term) option * 'term *
123 [ `Term of 'term | `Auto of 'term auto_params
124 | `Proof | `SolveWith of 'term ] *
127 type search_kind = [ `Locate | `Hint | `Match | `Elim ]
129 type print_kind = [ `Env | `Coer ]
131 type presentation_style = Declarative
132 | Procedural of int option
136 | WHint of loc * 'term
137 | WMatch of loc * 'term
138 | WInstance of loc * 'term
139 | WLocate of loc * string
140 | WElim of loc * 'term
142 | Check of loc * 'term
144 | AutoInteractive of loc * 'term auto_params
145 | Inline of loc * presentation_style * string * string
146 (* URI or base-uri, name prefix *)
148 (** To be increased each time the command type below changes, used for "safe"
152 type ('term,'obj) command =
153 | Index of loc * 'term option (* key *) * UriManager.uri (* value *)
154 | Coercion of loc * UriManager.uri * bool (* add_obj *) *
155 int (* arity *) * int (* saturations *)
156 | Default of loc * string * UriManager.uri list
158 | Include of loc * string
161 loc * string * 'term * 'term * 'term option * 'term option * 'term option
162 | Set of loc * string * string
163 | Print of loc * string
166 type ('term, 'lazy_term, 'reduction, 'ident) punctuation_tactical =
171 | Pos of loc * int list
175 type ('term,'lazy_term,'reduction,'ident) non_punctuation_tactical =
176 | Focus of loc * int list
180 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) code =
181 | Command of loc * ('term, 'obj) command
182 | Macro of loc * 'term macro
183 | Tactic of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic option
184 * ('term, 'lazy_term, 'reduction, 'ident) punctuation_tactical
185 | NonPunctuationTactical of loc
186 * ('term, 'lazy_term, 'reduction, 'ident) non_punctuation_tactical
187 * ('term, 'lazy_term, 'reduction, 'ident) punctuation_tactical
189 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment =
190 | Note of loc * string
191 | Code of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
193 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) statement =
194 | Executable of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
195 | Comment of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment