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 | NElim of loc * CicNotationPt.term * npattern
59 | NGeneralize of loc * npattern
61 | NIntro of loc * string
62 | NLetIn of loc * npattern * CicNotationPt.term * string
63 | NReduce of loc * [ `Normalize of bool | `Whd of bool ] * npattern
64 | NRewrite of loc * direction * CicNotationPt.term * npattern
65 | NAuto of loc * CicNotationPt.term auto_params
70 | NPos of loc * int list
74 | NFocus of loc * int list
76 | NTry of loc * ntactic
79 type ('term, 'lazy_term, 'reduction, 'ident) tactic =
80 (* Higher order tactics (i.e. tacticals) *)
81 | Do of loc * int * ('term, 'lazy_term, 'reduction, 'ident) tactic
82 | Repeat of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
83 | Seq of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
84 (* sequential composition *)
85 | Then of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic *
86 ('term, 'lazy_term, 'reduction, 'ident) tactic list
87 | First of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
88 (* try a sequence of loc * tactic until one succeeds, fail otherwise *)
89 | Try of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
90 (* try a tactic and mask failures *)
91 | Solve of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
92 | Progress of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
94 | Absurd of loc * 'term
95 | Apply of loc * 'term
96 | ApplyRule of loc * 'term
97 | ApplyP of loc * 'term (* apply for procedural reconstruction *)
98 | ApplyS of loc * 'term * 'term auto_params
100 | AutoBatch of loc * 'term auto_params
101 | Cases of loc * 'term * ('term, 'lazy_term, 'ident) pattern *
103 | Change of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
104 | Clear of loc * 'ident list
105 | ClearBody of loc * 'ident
106 | Compose of loc * 'term * 'term option * int * 'ident intros_spec
107 | Constructor of loc * int
108 | Contradiction of loc
109 | Cut of loc * 'ident option * 'term
110 | Decompose of loc * 'ident option list
111 | Demodulate of loc * 'term auto_params
112 | Destruct of loc * 'term list option
113 | Elim of loc * 'term * 'term option * ('term, 'lazy_term, 'ident) pattern *
115 | ElimType of loc * 'term * 'term option * 'ident intros_spec
116 | Exact of loc * 'term
119 | Fold of loc * 'reduction * 'lazy_term * ('term, 'lazy_term, 'ident) pattern
121 | FwdSimpl of loc * string * 'ident option list
122 | Generalize of loc * ('term, 'lazy_term, 'ident) pattern * 'ident option
124 | Intros of loc * 'ident intros_spec
125 | Inversion of loc * 'term
126 | LApply of loc * bool * int option * 'term list * 'term * 'ident option
128 | LetIn of loc * 'term * 'ident
129 | Reduce of loc * 'reduction * ('term, 'lazy_term, 'ident) pattern
131 | Replace of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
132 | Rewrite of loc * direction * 'term *
133 ('term, 'lazy_term, 'ident) pattern * 'ident option list
138 | Transitivity of loc * 'term
139 (* Declarative language *)
140 | Assume of loc * 'ident * 'term
141 | Suppose of loc * 'term *'ident * 'term option
142 | By_just_we_proved of loc * 'term just *
143 'term * 'ident option * 'term option
144 | We_need_to_prove of loc * 'term * 'ident option * 'term option
145 | Bydone of loc * 'term just
146 | We_proceed_by_induction_on of loc * 'term * 'term
147 | We_proceed_by_cases_on of loc * 'term * 'term
148 | Byinduction of loc * 'term * 'ident
149 | Thesisbecomes of loc * 'term
150 | Case of loc * string * (string * 'term) list
151 | ExistsElim of loc * 'term just * 'ident * 'term * 'ident * 'lazy_term
152 | AndElim of loc * 'term just * 'ident * 'term * 'ident * 'term
154 loc * (string option * 'term) option * 'term *
155 [ `Term of 'term | `Auto of 'term auto_params
156 | `Proof | `SolveWith of 'term ] *
159 type search_kind = [ `Locate | `Hint | `Match | `Elim ]
161 type print_kind = [ `Env | `Coer ]
163 type inline_param = IPPrefix of string (* undocumented *)
164 | IPAs of Cic.object_flavour (* preferred flavour *)
165 | IPCoercions (* show coercions *)
166 | IPDebug of int (* set debug level *)
167 | IPProcedural (* procedural rendering *)
168 | IPNoDefaults (* no default-based tactics *)
169 | IPLevel of int (* granularity level *)
170 | IPDepth of int (* undocumented *)
171 | IPComments (* show statistics *)
172 | IPCR (* detect convertible rewriting *)
174 type ('term,'lazy_term) macro =
176 | WHint of loc * 'term
177 | WMatch of loc * 'term
178 | WInstance of loc * 'term
179 | WLocate of loc * string
180 | WElim of loc * 'term
182 | Eval of loc * 'lazy_term reduction * 'term
183 | Check of loc * 'term
185 | AutoInteractive of loc * 'term auto_params
186 | Inline of loc * string * inline_param list
187 (* URI or base-uri, parameters *)
189 (** To be increased each time the command type below changes, used for "safe"
193 type ('term,'obj) command =
194 | Index of loc * 'term option (* key *) * UriManager.uri (* value *)
195 | Select of loc * UriManager.uri
197 | Coercion of loc * 'term * bool (* add_obj *) *
198 int (* arity *) * int (* saturations *)
199 | PreferCoercion of loc * 'term
200 | Inverter of loc * string * 'term * bool list
201 | Default of loc * string * UriManager.uri list
203 | Include of loc * bool (* normal? *) * string
206 loc * string * 'term * 'term * 'term option * 'term option * 'term option
207 | Set of loc * string * string
208 | Print of loc * string
212 | UnificationHint of loc * CicNotationPt.term * int (* term, precedence *)
213 | NObj of loc * CicNotationPt.term CicNotationPt.obj
214 | NUnivConstraint of loc * bool * NUri.uri * NUri.uri
217 type punctuation_tactical =
222 | Pos of loc * int list
226 type non_punctuation_tactical =
227 | Focus of loc * int list
231 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) code =
232 | Command of loc * ('term, 'obj) command
233 | NCommand of loc * ncommand
234 | Macro of loc * ('term,'lazy_term) macro
235 | NTactic of loc * ntactic list
236 | Tactic of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic option
237 * punctuation_tactical
238 | NonPunctuationTactical of loc * non_punctuation_tactical
239 * punctuation_tactical
241 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment =
242 | Note of loc * string
243 | Code of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
245 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) statement =
246 | Executable of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
247 | Comment of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment