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 | NCases of loc * CicNotationPt.term * npattern
55 | NCase1 of loc * string
56 | NChange of loc * npattern * CicNotationPt.term
57 | NElim of loc * CicNotationPt.term * npattern
58 | NEval of loc * npattern * [ `Whd of bool ]
59 | NGeneralize of loc * npattern
61 | NIntro of loc * string
62 | NRewrite of loc * direction * CicNotationPt.term * npattern
64 type ('term, 'lazy_term, 'reduction, 'ident) tactic =
65 (* Higher order tactics (i.e. tacticals) *)
66 | Do of loc * int * ('term, 'lazy_term, 'reduction, 'ident) tactic
67 | Repeat of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
68 | Seq of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
69 (* sequential composition *)
70 | Then of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic *
71 ('term, 'lazy_term, 'reduction, 'ident) tactic list
72 | First of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
73 (* try a sequence of loc * tactic until one succeeds, fail otherwise *)
74 | Try of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
75 (* try a tactic and mask failures *)
76 | Solve of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
77 | Progress of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
79 | Absurd of loc * 'term
80 | Apply of loc * 'term
81 | ApplyRule of loc * 'term
82 | ApplyP of loc * 'term (* apply for procedural reconstruction *)
83 | ApplyS of loc * 'term * 'term auto_params
85 | AutoBatch of loc * 'term auto_params
86 | Cases of loc * 'term * ('term, 'lazy_term, 'ident) pattern *
88 | Change of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
89 | Clear of loc * 'ident list
90 | ClearBody of loc * 'ident
91 | Compose of loc * 'term * 'term option * int * 'ident intros_spec
92 | Constructor of loc * int
93 | Contradiction of loc
94 | Cut of loc * 'ident option * 'term
95 | Decompose of loc * 'ident option list
96 | Demodulate of loc * 'term auto_params
97 | Destruct of loc * 'term list option
98 | Elim of loc * 'term * 'term option * ('term, 'lazy_term, 'ident) pattern *
100 | ElimType of loc * 'term * 'term option * 'ident intros_spec
101 | Exact of loc * 'term
104 | Fold of loc * 'reduction * 'lazy_term * ('term, 'lazy_term, 'ident) pattern
106 | FwdSimpl of loc * string * 'ident option list
107 | Generalize of loc * ('term, 'lazy_term, 'ident) pattern * 'ident option
109 | Intros of loc * 'ident intros_spec
110 | Inversion of loc * 'term
111 | LApply of loc * bool * int option * 'term list * 'term * 'ident option
113 | LetIn of loc * 'term * 'ident
114 | Reduce of loc * 'reduction * ('term, 'lazy_term, 'ident) pattern
116 | Replace of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
117 | Rewrite of loc * direction * 'term *
118 ('term, 'lazy_term, 'ident) pattern * 'ident option list
123 | Transitivity of loc * 'term
124 (* Declarative language *)
125 | Assume of loc * 'ident * 'term
126 | Suppose of loc * 'term *'ident * 'term option
127 | By_just_we_proved of loc * 'term just *
128 'term * 'ident option * 'term option
129 | We_need_to_prove of loc * 'term * 'ident option * 'term option
130 | Bydone of loc * 'term just
131 | We_proceed_by_induction_on of loc * 'term * 'term
132 | We_proceed_by_cases_on of loc * 'term * 'term
133 | Byinduction of loc * 'term * 'ident
134 | Thesisbecomes of loc * 'term
135 | Case of loc * string * (string * 'term) list
136 | ExistsElim of loc * 'term just * 'ident * 'term * 'ident * 'lazy_term
137 | AndElim of loc * 'term just * 'ident * 'term * 'ident * 'term
139 loc * (string option * 'term) option * 'term *
140 [ `Term of 'term | `Auto of 'term auto_params
141 | `Proof | `SolveWith of 'term ] *
144 type search_kind = [ `Locate | `Hint | `Match | `Elim ]
146 type print_kind = [ `Env | `Coer ]
148 type presentation_style = Declarative
149 | Procedural of int option
151 type ('term,'lazy_term) macro =
153 | WHint of loc * 'term
154 | WMatch of loc * 'term
155 | WInstance of loc * 'term
156 | WLocate of loc * string
157 | WElim of loc * 'term
159 | Eval of loc * 'lazy_term reduction * 'term
160 | Check of loc * 'term
162 | AutoInteractive of loc * 'term auto_params
163 | Inline of loc * presentation_style * string * string * Cic.object_flavour option
164 (* URI or base-uri, name prefix, flavour *)
166 (** To be increased each time the command type below changes, used for "safe"
170 type ('term,'obj) command =
171 | Index of loc * 'term option (* key *) * UriManager.uri (* value *)
172 | Coercion of loc * 'term * bool (* add_obj *) *
173 int (* arity *) * int (* saturations *)
174 | PreferCoercion of loc * 'term
175 | UnificationHint of loc * 'term * int (* term, precedence *)
176 | Default of loc * string * UriManager.uri list
178 | Include of loc * string
181 loc * string * 'term * 'term * 'term option * 'term option * 'term option
182 | Set of loc * string * string
183 | Print of loc * string
185 | NObj of loc * CicNotationPt.term CicNotationPt.obj
187 type punctuation_tactical =
192 | Pos of loc * int list
196 type non_punctuation_tactical =
197 | Focus of loc * int list
201 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) code =
202 | Command of loc * ('term, 'obj) command
203 | Macro of loc * ('term,'lazy_term) macro
204 | NTactic of loc * ntactic * punctuation_tactical
205 | Tactic of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic option
206 * punctuation_tactical
207 | NonPunctuationTactical of loc * non_punctuation_tactical
208 * punctuation_tactical
210 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment =
211 | Note of loc * string
212 | Code of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
214 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) statement =
215 | Executable of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
216 | Comment of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment