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