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 | NAssert of loc * ((string * [`Decl of CicNotationPt.term | `Def of CicNotationPt.term * CicNotationPt.term]) list * CicNotationPt.term) list
55 | NCases of loc * CicNotationPt.term * npattern
56 | NCase1 of loc * string
57 | NChange of loc * npattern * CicNotationPt.term
58 | NConstructor of loc * int option * CicNotationPt.term list
59 | NCut of loc * CicNotationPt.term
60 | NElim of loc * CicNotationPt.term * npattern
61 | NGeneralize of loc * npattern
63 | NIntro of loc * string
64 | NLApply of loc * CicNotationPt.term
65 | NLetIn of loc * npattern * CicNotationPt.term * string
66 | NReduce of loc * [ `Normalize of bool | `Whd of bool ] * npattern
67 | NRewrite of loc * direction * CicNotationPt.term * npattern
68 | NAuto of loc * CicNotationPt.term auto_params
73 | NPos of loc * int list
77 | NFocus of loc * int list
79 | NTry of loc * ntactic
81 | NRepeat of loc * ntactic
82 | NBlock of loc * ntactic list
84 type ('term, 'lazy_term, 'reduction, 'ident) tactic =
85 (* Higher order tactics (i.e. tacticals) *)
86 | Do of loc * int * ('term, 'lazy_term, 'reduction, 'ident) tactic
87 | Repeat of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
88 | Seq of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
89 (* sequential composition *)
90 | Then of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic *
91 ('term, 'lazy_term, 'reduction, 'ident) tactic list
92 | First of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
93 (* try a sequence of loc * tactic until one succeeds, fail otherwise *)
94 | Try of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
95 (* try a tactic and mask failures *)
96 | Solve of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
97 | Progress of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
99 | Absurd of loc * 'term
100 | Apply of loc * 'term
101 | ApplyRule of loc * 'term
102 | ApplyP of loc * 'term (* apply for procedural reconstruction *)
103 | ApplyS of loc * 'term * 'term auto_params
105 | AutoBatch of loc * 'term auto_params
106 | Cases of loc * 'term * ('term, 'lazy_term, 'ident) pattern *
108 | Change of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
109 | Clear of loc * 'ident list
110 | ClearBody of loc * 'ident
111 | Compose of loc * 'term * 'term option * int * 'ident intros_spec
112 | Constructor of loc * int
113 | Contradiction of loc
114 | Cut of loc * 'ident option * 'term
115 | Decompose of loc * 'ident option list
116 | Demodulate of loc * 'term auto_params
117 | Destruct of loc * 'term list option
118 | Elim of loc * 'term * 'term option * ('term, 'lazy_term, 'ident) pattern *
120 | ElimType of loc * 'term * 'term option * 'ident intros_spec
121 | Exact of loc * 'term
124 | Fold of loc * 'reduction * 'lazy_term * ('term, 'lazy_term, 'ident) pattern
126 | FwdSimpl of loc * string * 'ident option list
127 | Generalize of loc * ('term, 'lazy_term, 'ident) pattern * 'ident option
129 | Intros of loc * 'ident intros_spec
130 | Inversion of loc * 'term
131 | LApply of loc * bool * int option * 'term list * 'term * 'ident option
133 | LetIn of loc * 'term * 'ident
134 | Reduce of loc * 'reduction * ('term, 'lazy_term, 'ident) pattern
136 | Replace of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
137 | Rewrite of loc * direction * 'term *
138 ('term, 'lazy_term, 'ident) pattern * 'ident option list
143 | Transitivity of loc * 'term
144 (* Declarative language *)
145 | Assume of loc * 'ident * 'term
146 | Suppose of loc * 'term *'ident * 'term option
147 | By_just_we_proved of loc * 'term just *
148 'term * 'ident option * 'term option
149 | We_need_to_prove of loc * 'term * 'ident option * 'term option
150 | Bydone of loc * 'term just
151 | We_proceed_by_induction_on of loc * 'term * 'term
152 | We_proceed_by_cases_on of loc * 'term * 'term
153 | Byinduction of loc * 'term * 'ident
154 | Thesisbecomes of loc * 'term
155 | Case of loc * string * (string * 'term) list
156 | ExistsElim of loc * 'term just * 'ident * 'term * 'ident * 'lazy_term
157 | AndElim of loc * 'term just * 'ident * 'term * 'ident * 'term
159 loc * (string option * 'term) option * 'term *
160 [ `Term of 'term | `Auto of 'term auto_params
161 | `Proof | `SolveWith of 'term ] *
164 type search_kind = [ `Locate | `Hint | `Match | `Elim ]
166 type print_kind = [ `Env | `Coer ]
168 type inline_param = IPPrefix of string (* undocumented *)
169 | IPAs of Cic.object_flavour (* preferred flavour *)
170 | IPCoercions (* show coercions *)
171 | IPDebug of int (* set debug level *)
172 | IPProcedural (* procedural rendering *)
173 | IPNoDefaults (* no default-based tactics *)
174 | IPLevel of int (* granularity level *)
175 | IPDepth of int (* undocumented *)
176 | IPComments (* show statistics *)
177 | IPCR (* detect convertible rewriting *)
179 type ('term,'lazy_term) macro =
181 | WHint of loc * 'term
182 | WMatch of loc * 'term
183 | WInstance of loc * 'term
184 | WLocate of loc * string
185 | WElim of loc * 'term
187 | Eval of loc * 'lazy_term reduction * 'term
188 | Check of loc * 'term
190 | AutoInteractive of loc * 'term auto_params
191 | Inline of loc * string * inline_param list
192 (* URI or base-uri, parameters *)
195 | NCheck of loc * CicNotationPt.term
196 | Screenshot of loc * string
198 (** To be increased each time the command type below changes, used for "safe"
202 type ('term,'obj) command =
203 | Index of loc * 'term option (* key *) * UriManager.uri (* value *)
204 | Select of loc * UriManager.uri
206 | Coercion of loc * 'term * bool (* add_obj *) *
207 int (* arity *) * int (* saturations *)
208 | PreferCoercion of loc * 'term
209 | Inverter of loc * string * 'term * bool list
210 | Default of loc * string * UriManager.uri list
212 | Include of loc * bool (* normal? *) * [`New | `OldAndNew] * string
215 loc * string * 'term * 'term * 'term option * 'term option * 'term option
216 | Set of loc * string * string
217 | Print of loc * string
221 | UnificationHint of loc * CicNotationPt.term * int (* term, precedence *)
222 | NObj of loc * CicNotationPt.term CicNotationPt.obj
223 | NInverter of loc * string * CicNotationPt.term * bool list option * CicNotationPt.term option
224 | NUnivConstraint of loc * NUri.uri * NUri.uri
225 | NCopy of loc * string * NUri.uri * (NUri.uri * NUri.uri) list
226 | NCoercion of loc * string *
227 CicNotationPt.term * CicNotationPt.term *
228 (string * CicNotationPt.term) * CicNotationPt.term
231 type punctuation_tactical =
236 | Pos of loc * int list
240 type non_punctuation_tactical =
241 | Focus of loc * int list
245 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) code =
246 | Command of loc * ('term, 'obj) command
247 | NCommand of loc * ncommand
248 | Macro of loc * ('term,'lazy_term) macro
249 | NMacro of loc * nmacro
250 | NTactic of loc * ntactic list
251 | Tactic of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic option
252 * punctuation_tactical
253 | NonPunctuationTactical of loc * non_punctuation_tactical
254 * punctuation_tactical
256 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment =
257 | Note of loc * string
258 | Code of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
260 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) statement =
261 | Executable of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
262 | Comment of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment