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 option * (string*string) list
50 | `Auto of 'term auto_params ]
53 | NApply of loc * CicNotationPt.term
54 | NSmartApply of loc * CicNotationPt.term
55 | NAssert of loc * ((string * [`Decl of CicNotationPt.term | `Def of CicNotationPt.term * CicNotationPt.term]) list * CicNotationPt.term) list
56 | NCases of loc * CicNotationPt.term * npattern
57 | NCase1 of loc * string
58 | NChange of loc * npattern * CicNotationPt.term
59 | NConstructor of loc * int option * CicNotationPt.term list
60 | NCut of loc * CicNotationPt.term
61 (* | NDiscriminate of loc * CicNotationPt.term
62 | NSubst of loc * CicNotationPt.term *)
64 | NElim of loc * CicNotationPt.term * npattern
65 | NGeneralize of loc * npattern
67 | NIntro of loc * string
68 | NInversion of loc * CicNotationPt.term * npattern
69 | NLApply of loc * CicNotationPt.term
70 | NLetIn of loc * npattern * CicNotationPt.term * string
71 | NReduce of loc * [ `Normalize of bool | `Whd of bool ] * npattern
72 | NRewrite of loc * direction * CicNotationPt.term * npattern
73 | NAuto of loc * CicNotationPt.term auto_params
78 | NPos of loc * int list
79 | NPosbyname of loc * string
83 | NFocus of loc * int list
85 | NTry of loc * ntactic
87 | NRepeat of loc * ntactic
88 | NBlock of loc * ntactic list
90 type ('term, 'lazy_term, 'reduction, 'ident) tactic =
91 (* Higher order tactics (i.e. tacticals) *)
92 | Do of loc * int * ('term, 'lazy_term, 'reduction, 'ident) tactic
93 | Repeat of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
94 | Seq of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
95 (* sequential composition *)
96 | Then of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic *
97 ('term, 'lazy_term, 'reduction, 'ident) tactic list
98 | First of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
99 (* try a sequence of loc * tactic until one succeeds, fail otherwise *)
100 | Try of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
101 (* try a tactic and mask failures *)
102 | Solve of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
103 | Progress of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
105 | Absurd of loc * 'term
106 | Apply of loc * 'term
107 | ApplyRule of loc * 'term
108 | ApplyP of loc * 'term (* apply for procedural reconstruction *)
109 | ApplyS of loc * 'term * 'term auto_params
111 | AutoBatch of loc * 'term auto_params
112 | Cases of loc * 'term * ('term, 'lazy_term, 'ident) pattern *
114 | Change of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
115 | Clear of loc * 'ident list
116 | ClearBody of loc * 'ident
117 | Compose of loc * 'term * 'term option * int * 'ident intros_spec
118 | Constructor of loc * int
119 | Contradiction of loc
120 | Cut of loc * 'ident option * 'term
121 | Decompose of loc * 'ident option list
122 | Demodulate of loc * 'term auto_params
123 | Destruct of loc * 'term list option
124 | Elim of loc * 'term * 'term option * ('term, 'lazy_term, 'ident) pattern *
126 | ElimType of loc * 'term * 'term option * 'ident intros_spec
127 | Exact of loc * 'term
130 | Fold of loc * 'reduction * 'lazy_term * ('term, 'lazy_term, 'ident) pattern
132 | FwdSimpl of loc * string * 'ident option list
133 | Generalize of loc * ('term, 'lazy_term, 'ident) pattern * 'ident option
135 | Intros of loc * 'ident intros_spec
136 | Inversion of loc * 'term
137 | LApply of loc * bool * int option * 'term list * 'term * 'ident option
139 | LetIn of loc * 'term * 'ident
140 | Reduce of loc * 'reduction * ('term, 'lazy_term, 'ident) pattern
142 | Replace of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
143 | Rewrite of loc * direction * 'term *
144 ('term, 'lazy_term, 'ident) pattern * 'ident option list
149 | Transitivity of loc * 'term
150 (* Declarative language *)
151 | Assume of loc * 'ident * 'term
152 | Suppose of loc * 'term *'ident * 'term option
153 | By_just_we_proved of loc * 'term just *
154 'term * 'ident option * 'term option
155 | We_need_to_prove of loc * 'term * 'ident option * 'term option
156 | Bydone of loc * 'term just
157 | We_proceed_by_induction_on of loc * 'term * 'term
158 | We_proceed_by_cases_on of loc * 'term * 'term
159 | Byinduction of loc * 'term * 'ident
160 | Thesisbecomes of loc * 'term
161 | Case of loc * string * (string * 'term) list
162 | ExistsElim of loc * 'term just * 'ident * 'term * 'ident * 'lazy_term
163 | AndElim of loc * 'term just * 'ident * 'term * 'ident * 'term
165 loc * (string option * 'term) option * 'term *
166 [ `Term of 'term | `Auto of 'term auto_params
167 | `Proof | `SolveWith of 'term ] *
170 type search_kind = [ `Locate | `Hint | `Match | `Elim ]
172 type print_kind = [ `Env | `Coer ]
174 type inline_param = IPPrefix of string (* undocumented *)
175 | IPAs of Cic.object_flavour (* preferred flavour *)
176 | IPCoercions (* show coercions *)
177 | IPDebug of int (* set debug level *)
178 | IPProcedural (* procedural rendering *)
179 | IPNoDefaults (* no default-based tactics *)
180 | IPLevel of int (* granularity level *)
181 | IPDepth of int (* undocumented *)
182 | IPComments (* show statistics *)
183 | IPCR (* detect convertible rewriting *)
185 type ('term,'lazy_term) macro =
187 | WHint of loc * 'term
188 | WMatch of loc * 'term
189 | WInstance of loc * 'term
190 | WLocate of loc * string
191 | WElim of loc * 'term
193 | Eval of loc * 'lazy_term reduction * 'term
194 | Check of loc * 'term
196 | AutoInteractive of loc * 'term auto_params
197 | Inline of loc * string * inline_param list
198 (* URI or base-uri, parameters *)
201 | NCheck of loc * CicNotationPt.term
202 | Screenshot of loc * string
204 (** To be increased each time the command type below changes, used for "safe"
208 type ('term,'obj) command =
209 | Index of loc * 'term option (* key *) * UriManager.uri (* value *)
210 | Select of loc * UriManager.uri
212 | Coercion of loc * 'term * bool (* add_obj *) *
213 int (* arity *) * int (* saturations *)
214 | PreferCoercion of loc * 'term
215 | Inverter of loc * string * 'term * bool list
216 | Default of loc * string * UriManager.uri list
218 | Include of loc * bool (* normal? *) * [`New | `OldAndNew] * string
221 loc * string * 'term * 'term * 'term option * 'term option * 'term option
222 | Set of loc * string * string
223 | Print of loc * string
227 | UnificationHint of loc * CicNotationPt.term * int (* term, precedence *)
228 | NObj of loc * CicNotationPt.term CicNotationPt.obj
229 | NDiscriminator of loc * CicNotationPt.term
230 | NInverter of loc * string * CicNotationPt.term * bool list option * CicNotationPt.term option
231 | NUnivConstraint of loc * NUri.uri * NUri.uri
232 | NCopy of loc * string * NUri.uri * (NUri.uri * NUri.uri) list
233 | NCoercion of loc * string *
234 CicNotationPt.term * CicNotationPt.term *
235 (string * CicNotationPt.term) * CicNotationPt.term
238 type punctuation_tactical =
243 | Pos of loc * int list
247 type non_punctuation_tactical =
248 | Focus of loc * int list
252 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) code =
253 | Command of loc * ('term, 'obj) command
254 | NCommand of loc * ncommand
255 | Macro of loc * ('term,'lazy_term) macro
256 | NMacro of loc * nmacro
257 | NTactic of loc * ntactic list
258 | Tactic of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic option
259 * punctuation_tactical
260 | NonPunctuationTactical of loc * non_punctuation_tactical
261 * punctuation_tactical
263 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment =
264 | Note of loc * string
265 | Code of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
267 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) statement =
268 | Executable of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
269 | Comment of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment