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 * 'ident intros_spec
70 | Change of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
71 | Clear of loc * 'ident list
72 | ClearBody of loc * 'ident
73 | Compose of loc * 'term * 'term option * int * 'ident intros_spec
74 | Constructor of loc * int
75 | Contradiction of loc
76 | Cut of loc * 'ident option * 'term
77 | Decompose of loc * 'ident option list
78 | Demodulate of loc * 'term auto_params
79 | Destruct of loc * 'term list option
80 | Elim of loc * 'term * 'term option * ('term, 'lazy_term, 'ident) pattern *
82 | ElimType of loc * 'term * 'term option * 'ident intros_spec
83 | Exact of loc * 'term
86 | Fold of loc * 'reduction * 'lazy_term * ('term, 'lazy_term, 'ident) pattern
88 | FwdSimpl of loc * string * 'ident option list
89 | Generalize of loc * ('term, 'lazy_term, 'ident) pattern * 'ident option
91 | Intros of loc * 'ident intros_spec
92 | Inversion of loc * 'term
93 | LApply of loc * bool * int option * 'term list * 'term * 'ident option
95 | LetIn of loc * 'term * 'ident
96 | Reduce of loc * 'reduction * ('term, 'lazy_term, 'ident) pattern
98 | Replace of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
99 | Rewrite of loc * direction * 'term *
100 ('term, 'lazy_term, 'ident) pattern * 'ident option list
105 | Transitivity of loc * 'term
106 (* Declarative language *)
107 | Assume of loc * 'ident * 'term
108 | Suppose of loc * 'term *'ident * 'term option
109 | By_just_we_proved of loc * 'term just *
110 'term * 'ident option * 'term option
111 | We_need_to_prove of loc * 'term * 'ident option * 'term option
112 | Bydone of loc * 'term just
113 | We_proceed_by_induction_on of loc * 'term * 'term
114 | We_proceed_by_cases_on of loc * 'term * 'term
115 | Byinduction of loc * 'term * 'ident
116 | Thesisbecomes of loc * 'term
117 | Case of loc * string * (string * 'term) list
118 | ExistsElim of loc * 'term just * 'ident * 'term * 'ident * 'lazy_term
119 | AndElim of loc * 'term just * 'ident * 'term * 'ident * 'term
121 loc * (string option * 'term) option * 'term *
122 [ `Term of 'term | `Auto of 'term auto_params
123 | `Proof | `SolveWith of 'term ] *
126 type search_kind = [ `Locate | `Hint | `Match | `Elim ]
128 type print_kind = [ `Env | `Coer ]
130 type presentation_style = Declarative
131 | Procedural of int option
135 | WHint of loc * 'term
136 | WMatch of loc * 'term
137 | WInstance of loc * 'term
138 | WLocate of loc * string
139 | WElim of loc * 'term
141 | Check of loc * 'term
143 | AutoInteractive of loc * 'term auto_params
144 | Inline of loc * presentation_style * string * string
145 (* URI or base-uri, name prefix *)
147 (** To be increased each time the command type below changes, used for "safe"
151 type ('term,'obj) command =
152 | Index of loc * 'term option (* key *) * UriManager.uri (* value *)
153 | Coercion of loc * UriManager.uri * bool (* add_obj *) *
154 int (* arity *) * int (* saturations *)
155 | Default of loc * string * UriManager.uri list
157 | Include of loc * string
160 loc * string * 'term * 'term * 'term option * 'term option * 'term option
161 | Set of loc * string * string
162 | Print of loc * string
165 type ('term, 'lazy_term, 'reduction, 'ident) punctuation_tactical =
170 | Pos of loc * int list
174 type ('term,'lazy_term,'reduction,'ident) non_punctuation_tactical =
175 | Focus of loc * int list
179 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) code =
180 | Command of loc * ('term, 'obj) command
181 | Macro of loc * 'term macro
182 | Tactic of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic option
183 * ('term, 'lazy_term, 'reduction, 'ident) punctuation_tactical
184 | NonPunctuationTactical of loc
185 * ('term, 'lazy_term, 'reduction, 'ident) non_punctuation_tactical
186 * ('term, 'lazy_term, 'reduction, 'ident) punctuation_tactical
188 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment =
189 | Note of loc * string
190 | Code of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
192 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) statement =
193 | Executable of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
194 | Comment of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment