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 | NElim of loc * CicNotationPt.term * npattern
60 | NGeneralize of loc * npattern
62 | NIntro of loc * string
63 | NLetIn of loc * npattern * CicNotationPt.term * string
64 | NReduce of loc * [ `Normalize of bool | `Whd of bool ] * npattern
65 | NRewrite of loc * direction * CicNotationPt.term * npattern
66 | NAuto of loc * CicNotationPt.term auto_params
71 | NPos of loc * int list
75 | NFocus of loc * int list
77 | NTry of loc * ntactic
79 | NRepeat of loc * ntactic
80 | NBlock of loc * ntactic list
82 type ('term, 'lazy_term, 'reduction, 'ident) tactic =
83 (* Higher order tactics (i.e. tacticals) *)
84 | Do of loc * int * ('term, 'lazy_term, 'reduction, 'ident) tactic
85 | Repeat of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
86 | Seq of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
87 (* sequential composition *)
88 | Then of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic *
89 ('term, 'lazy_term, 'reduction, 'ident) tactic list
90 | First of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
91 (* try a sequence of loc * tactic until one succeeds, fail otherwise *)
92 | Try of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
93 (* try a tactic and mask failures *)
94 | Solve of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
95 | Progress of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
97 | Absurd of loc * 'term
98 | Apply of loc * 'term
99 | ApplyRule of loc * 'term
100 | ApplyP of loc * 'term (* apply for procedural reconstruction *)
101 | ApplyS of loc * 'term * 'term auto_params
103 | AutoBatch of loc * 'term auto_params
104 | Cases of loc * 'term * ('term, 'lazy_term, 'ident) pattern *
106 | Change of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
107 | Clear of loc * 'ident list
108 | ClearBody of loc * 'ident
109 | Compose of loc * 'term * 'term option * int * 'ident intros_spec
110 | Constructor of loc * int
111 | Contradiction of loc
112 | Cut of loc * 'ident option * 'term
113 | Decompose of loc * 'ident option list
114 | Demodulate of loc * 'term auto_params
115 | Destruct of loc * 'term list option
116 | Elim of loc * 'term * 'term option * ('term, 'lazy_term, 'ident) pattern *
118 | ElimType of loc * 'term * 'term option * 'ident intros_spec
119 | Exact of loc * 'term
122 | Fold of loc * 'reduction * 'lazy_term * ('term, 'lazy_term, 'ident) pattern
124 | FwdSimpl of loc * string * 'ident option list
125 | Generalize of loc * ('term, 'lazy_term, 'ident) pattern * 'ident option
127 | Intros of loc * 'ident intros_spec
128 | Inversion of loc * 'term
129 | LApply of loc * bool * int option * 'term list * 'term * 'ident option
131 | LetIn of loc * 'term * 'ident
132 | Reduce of loc * 'reduction * ('term, 'lazy_term, 'ident) pattern
134 | Replace of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
135 | Rewrite of loc * direction * 'term *
136 ('term, 'lazy_term, 'ident) pattern * 'ident option list
141 | Transitivity of loc * 'term
142 (* Declarative language *)
143 | Assume of loc * 'ident * 'term
144 | Suppose of loc * 'term *'ident * 'term option
145 | By_just_we_proved of loc * 'term just *
146 'term * 'ident option * 'term option
147 | We_need_to_prove of loc * 'term * 'ident option * 'term option
148 | Bydone of loc * 'term just
149 | We_proceed_by_induction_on of loc * 'term * 'term
150 | We_proceed_by_cases_on of loc * 'term * 'term
151 | Byinduction of loc * 'term * 'ident
152 | Thesisbecomes of loc * 'term
153 | Case of loc * string * (string * 'term) list
154 | ExistsElim of loc * 'term just * 'ident * 'term * 'ident * 'lazy_term
155 | AndElim of loc * 'term just * 'ident * 'term * 'ident * 'term
157 loc * (string option * 'term) option * 'term *
158 [ `Term of 'term | `Auto of 'term auto_params
159 | `Proof | `SolveWith of 'term ] *
162 type search_kind = [ `Locate | `Hint | `Match | `Elim ]
164 type print_kind = [ `Env | `Coer ]
166 type inline_param = IPPrefix of string (* undocumented *)
167 | IPAs of Cic.object_flavour (* preferred flavour *)
168 | IPCoercions (* show coercions *)
169 | IPDebug of int (* set debug level *)
170 | IPProcedural (* procedural rendering *)
171 | IPNoDefaults (* no default-based tactics *)
172 | IPLevel of int (* granularity level *)
173 | IPDepth of int (* undocumented *)
174 | IPComments (* show statistics *)
175 | IPCR (* detect convertible rewriting *)
177 type ('term,'lazy_term) macro =
179 | WHint of loc * 'term
180 | WMatch of loc * 'term
181 | WInstance of loc * 'term
182 | WLocate of loc * string
183 | WElim of loc * 'term
185 | Eval of loc * 'lazy_term reduction * 'term
186 | Check of loc * 'term
188 | AutoInteractive of loc * 'term auto_params
189 | Inline of loc * string * inline_param list
190 (* URI or base-uri, parameters *)
193 | NCheck of loc * CicNotationPt.term
195 (** To be increased each time the command type below changes, used for "safe"
199 type ('term,'obj) command =
200 | Index of loc * 'term option (* key *) * UriManager.uri (* value *)
201 | Select of loc * UriManager.uri
203 | Coercion of loc * 'term * bool (* add_obj *) *
204 int (* arity *) * int (* saturations *)
205 | PreferCoercion of loc * 'term
206 | Inverter of loc * string * 'term * bool list
207 | Default of loc * string * UriManager.uri list
209 | Include of loc * bool (* normal? *) * [`New | `OldAndNew] * string
212 loc * string * 'term * 'term * 'term option * 'term option * 'term option
213 | Set of loc * string * string
214 | Print of loc * string
218 | UnificationHint of loc * CicNotationPt.term * int (* term, precedence *)
219 | NObj of loc * CicNotationPt.term CicNotationPt.obj
220 | NUnivConstraint of loc * bool * NUri.uri * NUri.uri
221 | NCopy of loc * string * NUri.uri * (NUri.uri * NUri.uri) list
222 | NCoercion of loc * string *
223 CicNotationPt.term * CicNotationPt.term *
224 (string * CicNotationPt.term) * CicNotationPt.term
227 type punctuation_tactical =
232 | Pos of loc * int list
236 type non_punctuation_tactical =
237 | Focus of loc * int list
241 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) code =
242 | Command of loc * ('term, 'obj) command
243 | NCommand of loc * ncommand
244 | Macro of loc * ('term,'lazy_term) macro
245 | NMacro of loc * nmacro
246 | NTactic of loc * ntactic list
247 | Tactic of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic option
248 * punctuation_tactical
249 | NonPunctuationTactical of loc * non_punctuation_tactical
250 * punctuation_tactical
252 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment =
253 | Note of loc * string
254 | Code of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
256 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) statement =
257 | Executable of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
258 | Comment of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment