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 (* | NDiscriminate of loc * CicNotationPt.term
61 | NSubst of loc * CicNotationPt.term *)
63 | NElim of loc * CicNotationPt.term * npattern
64 | NGeneralize of loc * npattern
66 | NIntro of loc * string
67 | NLApply of loc * CicNotationPt.term
68 | NLetIn of loc * npattern * CicNotationPt.term * string
69 | NReduce of loc * [ `Normalize of bool | `Whd of bool ] * npattern
70 | NRewrite of loc * direction * CicNotationPt.term * npattern
71 | NAuto of loc * CicNotationPt.term auto_params
76 | NPos of loc * int list
77 | NPosbyname of loc * string
81 | NFocus of loc * int list
83 | NTry of loc * ntactic
85 | NRepeat of loc * ntactic
86 | NBlock of loc * ntactic list
88 type ('term, 'lazy_term, 'reduction, 'ident) tactic =
89 (* Higher order tactics (i.e. tacticals) *)
90 | Do of loc * int * ('term, 'lazy_term, 'reduction, 'ident) tactic
91 | Repeat of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
92 | Seq of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
93 (* sequential composition *)
94 | Then of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic *
95 ('term, 'lazy_term, 'reduction, 'ident) tactic list
96 | First of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
97 (* try a sequence of loc * tactic until one succeeds, fail otherwise *)
98 | Try of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
99 (* try a tactic and mask failures *)
100 | Solve of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
101 | Progress of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
103 | Absurd of loc * 'term
104 | Apply of loc * 'term
105 | ApplyRule of loc * 'term
106 | ApplyP of loc * 'term (* apply for procedural reconstruction *)
107 | ApplyS of loc * 'term * 'term auto_params
109 | AutoBatch of loc * 'term auto_params
110 | Cases of loc * 'term * ('term, 'lazy_term, 'ident) pattern *
112 | Change of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
113 | Clear of loc * 'ident list
114 | ClearBody of loc * 'ident
115 | Compose of loc * 'term * 'term option * int * 'ident intros_spec
116 | Constructor of loc * int
117 | Contradiction of loc
118 | Cut of loc * 'ident option * 'term
119 | Decompose of loc * 'ident option list
120 | Demodulate of loc * 'term auto_params
121 | Destruct of loc * 'term list option
122 | Elim of loc * 'term * 'term option * ('term, 'lazy_term, 'ident) pattern *
124 | ElimType of loc * 'term * 'term option * 'ident intros_spec
125 | Exact of loc * 'term
128 | Fold of loc * 'reduction * 'lazy_term * ('term, 'lazy_term, 'ident) pattern
130 | FwdSimpl of loc * string * 'ident option list
131 | Generalize of loc * ('term, 'lazy_term, 'ident) pattern * 'ident option
133 | Intros of loc * 'ident intros_spec
134 | Inversion of loc * 'term
135 | LApply of loc * bool * int option * 'term list * 'term * 'ident option
137 | LetIn of loc * 'term * 'ident
138 | Reduce of loc * 'reduction * ('term, 'lazy_term, 'ident) pattern
140 | Replace of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
141 | Rewrite of loc * direction * 'term *
142 ('term, 'lazy_term, 'ident) pattern * 'ident option list
147 | Transitivity of loc * 'term
148 (* Declarative language *)
149 | Assume of loc * 'ident * 'term
150 | Suppose of loc * 'term *'ident * 'term option
151 | By_just_we_proved of loc * 'term just *
152 'term * 'ident option * 'term option
153 | We_need_to_prove of loc * 'term * 'ident option * 'term option
154 | Bydone of loc * 'term just
155 | We_proceed_by_induction_on of loc * 'term * 'term
156 | We_proceed_by_cases_on of loc * 'term * 'term
157 | Byinduction of loc * 'term * 'ident
158 | Thesisbecomes of loc * 'term
159 | Case of loc * string * (string * 'term) list
160 | ExistsElim of loc * 'term just * 'ident * 'term * 'ident * 'lazy_term
161 | AndElim of loc * 'term just * 'ident * 'term * 'ident * 'term
163 loc * (string option * 'term) option * 'term *
164 [ `Term of 'term | `Auto of 'term auto_params
165 | `Proof | `SolveWith of 'term ] *
168 type search_kind = [ `Locate | `Hint | `Match | `Elim ]
170 type print_kind = [ `Env | `Coer ]
172 type inline_param = IPPrefix of string (* undocumented *)
173 | IPAs of Cic.object_flavour (* preferred flavour *)
174 | IPCoercions (* show coercions *)
175 | IPDebug of int (* set debug level *)
176 | IPProcedural (* procedural rendering *)
177 | IPNoDefaults (* no default-based tactics *)
178 | IPLevel of int (* granularity level *)
179 | IPDepth of int (* undocumented *)
180 | IPComments (* show statistics *)
181 | IPCR (* detect convertible rewriting *)
183 type ('term,'lazy_term) macro =
185 | WHint of loc * 'term
186 | WMatch of loc * 'term
187 | WInstance of loc * 'term
188 | WLocate of loc * string
189 | WElim of loc * 'term
191 | Eval of loc * 'lazy_term reduction * 'term
192 | Check of loc * 'term
194 | AutoInteractive of loc * 'term auto_params
195 | Inline of loc * string * inline_param list
196 (* URI or base-uri, parameters *)
199 | NCheck of loc * CicNotationPt.term
200 | Screenshot of loc * string
202 (** To be increased each time the command type below changes, used for "safe"
206 type ('term,'obj) command =
207 | Index of loc * 'term option (* key *) * UriManager.uri (* value *)
208 | Select of loc * UriManager.uri
210 | Coercion of loc * 'term * bool (* add_obj *) *
211 int (* arity *) * int (* saturations *)
212 | PreferCoercion of loc * 'term
213 | Inverter of loc * string * 'term * bool list
214 | Default of loc * string * UriManager.uri list
216 | Include of loc * bool (* normal? *) * [`New | `OldAndNew] * string
219 loc * string * 'term * 'term * 'term option * 'term option * 'term option
220 | Set of loc * string * string
221 | Print of loc * string
225 | UnificationHint of loc * CicNotationPt.term * int (* term, precedence *)
226 | NObj of loc * CicNotationPt.term CicNotationPt.obj
227 | NDiscriminator of loc * CicNotationPt.term
228 | NInverter of loc * string * CicNotationPt.term * bool list option * CicNotationPt.term option
229 | NUnivConstraint of loc * NUri.uri * NUri.uri
230 | NCopy of loc * string * NUri.uri * (NUri.uri * NUri.uri) list
231 | NCoercion of loc * string *
232 CicNotationPt.term * CicNotationPt.term *
233 (string * CicNotationPt.term) * CicNotationPt.term
236 type punctuation_tactical =
241 | Pos of loc * int list
245 type non_punctuation_tactical =
246 | Focus of loc * int list
250 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) code =
251 | Command of loc * ('term, 'obj) command
252 | NCommand of loc * ncommand
253 | Macro of loc * ('term,'lazy_term) macro
254 | NMacro of loc * nmacro
255 | NTactic of loc * ntactic list
256 | Tactic of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic option
257 * punctuation_tactical
258 | NonPunctuationTactical of loc * non_punctuation_tactical
259 * punctuation_tactical
261 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment =
262 | Note of loc * string
263 | Code of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
265 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) statement =
266 | Executable of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
267 | Comment of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment