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
36 CicNotationPt.term option * (string * CicNotationPt.term) list * CicNotationPt.term option
38 type 'lazy_term reduction =
41 | `Unfold of 'lazy_term option
44 type 'ident intros_spec = int option * 'ident option list
46 type 'term auto_params = 'term list * (string*string) list
50 | `Auto of 'term auto_params ]
53 | NApply of loc * CicNotationPt.term
54 | NChange of loc * npattern * CicNotationPt.term
55 | NElim of loc * CicNotationPt.term * npattern
57 | NIntro of loc * string
59 type ('term, 'lazy_term, 'reduction, 'ident) tactic =
60 (* Higher order tactics (i.e. tacticals) *)
61 | Do of loc * int * ('term, 'lazy_term, 'reduction, 'ident) tactic
62 | Repeat of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
63 | Seq of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
64 (* sequential composition *)
65 | Then of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic *
66 ('term, 'lazy_term, 'reduction, 'ident) tactic list
67 | First of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
68 (* try a sequence of loc * tactic until one succeeds, fail otherwise *)
69 | Try of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
70 (* try a tactic and mask failures *)
71 | Solve of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
72 | Progress of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
74 | Absurd of loc * 'term
75 | Apply of loc * 'term
76 | ApplyRule of loc * 'term
77 | ApplyP of loc * 'term (* apply for procedural reconstruction *)
78 | ApplyS of loc * 'term * 'term auto_params
80 | AutoBatch of loc * 'term auto_params
81 | Cases of loc * 'term * ('term, 'lazy_term, 'ident) pattern *
83 | Change of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
84 | Clear of loc * 'ident list
85 | ClearBody of loc * 'ident
86 | Compose of loc * 'term * 'term option * int * 'ident intros_spec
87 | Constructor of loc * int
88 | Contradiction of loc
89 | Cut of loc * 'ident option * 'term
90 | Decompose of loc * 'ident option list
91 | Demodulate of loc * 'term auto_params
92 | Destruct of loc * 'term list option
93 | Elim of loc * 'term * 'term option * ('term, 'lazy_term, 'ident) pattern *
95 | ElimType of loc * 'term * 'term option * 'ident intros_spec
96 | Exact of loc * 'term
99 | Fold of loc * 'reduction * 'lazy_term * ('term, 'lazy_term, 'ident) pattern
101 | FwdSimpl of loc * string * 'ident option list
102 | Generalize of loc * ('term, 'lazy_term, 'ident) pattern * 'ident option
104 | Intros of loc * 'ident intros_spec
105 | Inversion of loc * 'term
106 | LApply of loc * bool * int option * 'term list * 'term * 'ident option
108 | LetIn of loc * 'term * 'ident
109 | Reduce of loc * 'reduction * ('term, 'lazy_term, 'ident) pattern
111 | Replace of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
112 | Rewrite of loc * direction * 'term *
113 ('term, 'lazy_term, 'ident) pattern * 'ident option list
118 | Transitivity of loc * 'term
119 (* Declarative language *)
120 | Assume of loc * 'ident * 'term
121 | Suppose of loc * 'term *'ident * 'term option
122 | By_just_we_proved of loc * 'term just *
123 'term * 'ident option * 'term option
124 | We_need_to_prove of loc * 'term * 'ident option * 'term option
125 | Bydone of loc * 'term just
126 | We_proceed_by_induction_on of loc * 'term * 'term
127 | We_proceed_by_cases_on of loc * 'term * 'term
128 | Byinduction of loc * 'term * 'ident
129 | Thesisbecomes of loc * 'term
130 | Case of loc * string * (string * 'term) list
131 | ExistsElim of loc * 'term just * 'ident * 'term * 'ident * 'lazy_term
132 | AndElim of loc * 'term just * 'ident * 'term * 'ident * 'term
134 loc * (string option * 'term) option * 'term *
135 [ `Term of 'term | `Auto of 'term auto_params
136 | `Proof | `SolveWith of 'term ] *
139 type search_kind = [ `Locate | `Hint | `Match | `Elim ]
141 type print_kind = [ `Env | `Coer ]
143 type presentation_style = Declarative
144 | Procedural of int option
146 type ('term,'lazy_term) macro =
148 | WHint of loc * 'term
149 | WMatch of loc * 'term
150 | WInstance of loc * 'term
151 | WLocate of loc * string
152 | WElim of loc * 'term
154 | Eval of loc * 'lazy_term reduction * 'term
155 | Check of loc * 'term
157 | AutoInteractive of loc * 'term auto_params
158 | Inline of loc * presentation_style * string * string * Cic.object_flavour option
159 (* URI or base-uri, name prefix, flavour *)
161 (** To be increased each time the command type below changes, used for "safe"
165 type ('term,'obj) command =
166 | Index of loc * 'term option (* key *) * UriManager.uri (* value *)
167 | Coercion of loc * 'term * bool (* add_obj *) *
168 int (* arity *) * int (* saturations *)
169 | PreferCoercion of loc * 'term
170 | UnificationHint of loc * 'term * int (* term, precedence *)
171 | Default of loc * string * UriManager.uri list
173 | Include of loc * string
176 loc * string * 'term * 'term * 'term option * 'term option * 'term option
177 | Set of loc * string * string
178 | Print of loc * string
180 | NObj of loc * CicNotationPt.term CicNotationPt.obj
182 type punctuation_tactical =
187 | Pos of loc * int list
191 type non_punctuation_tactical =
192 | Focus of loc * int list
196 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) code =
197 | Command of loc * ('term, 'obj) command
198 | Macro of loc * ('term,'lazy_term) macro
199 | NTactic of loc * ntactic * punctuation_tactical
200 | Tactic of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic option
201 * punctuation_tactical
202 | NonPunctuationTactical of loc * non_punctuation_tactical
203 * punctuation_tactical
205 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment =
206 | Note of loc * string
207 | Code of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
209 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) statement =
210 | Executable of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
211 | Comment of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment