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 ]
50 NApply of loc * CicNotationPt.term
52 type ('term, 'lazy_term, 'reduction, 'ident) tactic =
53 (* Higher order tactics (i.e. tacticals) *)
54 | Do of loc * int * ('term, 'lazy_term, 'reduction, 'ident) tactic
55 | Repeat of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
56 | Seq of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
57 (* sequential composition *)
58 | Then of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic *
59 ('term, 'lazy_term, 'reduction, 'ident) tactic list
60 | First of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
61 (* try a sequence of loc * tactic until one succeeds, fail otherwise *)
62 | Try of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
63 (* try a tactic and mask failures *)
64 | Solve of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
65 | Progress of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
67 | Absurd of loc * 'term
68 | Apply of loc * 'term
69 | ApplyRule of loc * 'term
70 | ApplyP of loc * 'term (* apply for procedural reconstruction *)
71 | ApplyS of loc * 'term * 'term auto_params
73 | AutoBatch of loc * 'term auto_params
74 | Cases of loc * 'term * ('term, 'lazy_term, 'ident) pattern *
76 | Change of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
77 | Clear of loc * 'ident list
78 | ClearBody of loc * 'ident
79 | Compose of loc * 'term * 'term option * int * 'ident intros_spec
80 | Constructor of loc * int
81 | Contradiction of loc
82 | Cut of loc * 'ident option * 'term
83 | Decompose of loc * 'ident option list
84 | Demodulate of loc * 'term auto_params
85 | Destruct of loc * 'term list option
86 | Elim of loc * 'term * 'term option * ('term, 'lazy_term, 'ident) pattern *
88 | ElimType of loc * 'term * 'term option * 'ident intros_spec
89 | Exact of loc * 'term
92 | Fold of loc * 'reduction * 'lazy_term * ('term, 'lazy_term, 'ident) pattern
94 | FwdSimpl of loc * string * 'ident option list
95 | Generalize of loc * ('term, 'lazy_term, 'ident) pattern * 'ident option
97 | Intros of loc * 'ident intros_spec
98 | Inversion of loc * 'term
99 | LApply of loc * bool * int option * 'term list * 'term * 'ident option
101 | LetIn of loc * 'term * 'ident
102 | Reduce of loc * 'reduction * ('term, 'lazy_term, 'ident) pattern
104 | Replace of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
105 | Rewrite of loc * direction * 'term *
106 ('term, 'lazy_term, 'ident) pattern * 'ident option list
111 | Transitivity of loc * 'term
112 (* Declarative language *)
113 | Assume of loc * 'ident * 'term
114 | Suppose of loc * 'term *'ident * 'term option
115 | By_just_we_proved of loc * 'term just *
116 'term * 'ident option * 'term option
117 | We_need_to_prove of loc * 'term * 'ident option * 'term option
118 | Bydone of loc * 'term just
119 | We_proceed_by_induction_on of loc * 'term * 'term
120 | We_proceed_by_cases_on of loc * 'term * 'term
121 | Byinduction of loc * 'term * 'ident
122 | Thesisbecomes of loc * 'term
123 | Case of loc * string * (string * 'term) list
124 | ExistsElim of loc * 'term just * 'ident * 'term * 'ident * 'lazy_term
125 | AndElim of loc * 'term just * 'ident * 'term * 'ident * 'term
127 loc * (string option * 'term) option * 'term *
128 [ `Term of 'term | `Auto of 'term auto_params
129 | `Proof | `SolveWith of 'term ] *
132 type search_kind = [ `Locate | `Hint | `Match | `Elim ]
134 type print_kind = [ `Env | `Coer ]
136 type presentation_style = Declarative
137 | Procedural of int option
139 type ('term,'lazy_term) macro =
141 | WHint of loc * 'term
142 | WMatch of loc * 'term
143 | WInstance of loc * 'term
144 | WLocate of loc * string
145 | WElim of loc * 'term
147 | Eval of loc * 'lazy_term reduction * 'term
148 | Check of loc * 'term
150 | AutoInteractive of loc * 'term auto_params
151 | Inline of loc * presentation_style * string * string * Cic.object_flavour option
152 (* URI or base-uri, name prefix, flavour *)
154 (** To be increased each time the command type below changes, used for "safe"
158 type ('term,'obj) command =
159 | Index of loc * 'term option (* key *) * UriManager.uri (* value *)
160 | Coercion of loc * 'term * bool (* add_obj *) *
161 int (* arity *) * int (* saturations *)
162 | PreferCoercion of loc * 'term
163 | UnificationHint of loc * 'term * int (* term, precedence *)
164 | Default of loc * string * UriManager.uri list
166 | Include of loc * string
169 loc * string * 'term * 'term * 'term option * 'term option * 'term option
170 | Set of loc * string * string
171 | Print of loc * string
173 | NObj of loc * CicNotationPt.term CicNotationPt.obj
175 type punctuation_tactical =
180 | Pos of loc * int list
184 type non_punctuation_tactical =
185 | Focus of loc * int list
189 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) code =
190 | Command of loc * ('term, 'obj) command
191 | Macro of loc * ('term,'lazy_term) macro
192 | NTactic of loc * ntactic option * punctuation_tactical
193 | Tactic of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic option
194 * punctuation_tactical
195 | NonPunctuationTactical of loc * non_punctuation_tactical
196 * punctuation_tactical
198 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment =
199 | Note of loc * string
200 | Code of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
202 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) statement =
203 | Executable of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
204 | Comment of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment