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 | NCases of loc * CicNotationPt.term * npattern
55 | NCase1 of loc * string
56 | NChange of loc * npattern * CicNotationPt.term
57 | NElim of loc * CicNotationPt.term * npattern
58 | NEval of loc * npattern * [ `Whd of bool ]
59 | NGeneralize of loc * npattern
61 | NIntro of loc * string
62 | NLetIn of loc * npattern * CicNotationPt.term * string
63 | NRewrite of loc * direction * CicNotationPt.term * npattern
65 type ('term, 'lazy_term, 'reduction, 'ident) tactic =
66 (* Higher order tactics (i.e. tacticals) *)
67 | Do of loc * int * ('term, 'lazy_term, 'reduction, 'ident) tactic
68 | Repeat of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
69 | Seq of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
70 (* sequential composition *)
71 | Then of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic *
72 ('term, 'lazy_term, 'reduction, 'ident) tactic list
73 | First of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
74 (* try a sequence of loc * tactic until one succeeds, fail otherwise *)
75 | Try of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
76 (* try a tactic and mask failures *)
77 | Solve of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
78 | Progress of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
80 | Absurd of loc * 'term
81 | Apply of loc * 'term
82 | ApplyRule of loc * 'term
83 | ApplyP of loc * 'term (* apply for procedural reconstruction *)
84 | ApplyS of loc * 'term * 'term auto_params
86 | AutoBatch of loc * 'term auto_params
87 | Cases of loc * 'term * ('term, 'lazy_term, 'ident) pattern *
89 | Change of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
90 | Clear of loc * 'ident list
91 | ClearBody of loc * 'ident
92 | Compose of loc * 'term * 'term option * int * 'ident intros_spec
93 | Constructor of loc * int
94 | Contradiction of loc
95 | Cut of loc * 'ident option * 'term
96 | Decompose of loc * 'ident option list
97 | Demodulate of loc * 'term auto_params
98 | Destruct of loc * 'term list option
99 | Elim of loc * 'term * 'term option * ('term, 'lazy_term, 'ident) pattern *
101 | ElimType of loc * 'term * 'term option * 'ident intros_spec
102 | Exact of loc * 'term
105 | Fold of loc * 'reduction * 'lazy_term * ('term, 'lazy_term, 'ident) pattern
107 | FwdSimpl of loc * string * 'ident option list
108 | Generalize of loc * ('term, 'lazy_term, 'ident) pattern * 'ident option
110 | Intros of loc * 'ident intros_spec
111 | Inversion of loc * 'term
112 | LApply of loc * bool * int option * 'term list * 'term * 'ident option
114 | LetIn of loc * 'term * 'ident
115 | Reduce of loc * 'reduction * ('term, 'lazy_term, 'ident) pattern
117 | Replace of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
118 | Rewrite of loc * direction * 'term *
119 ('term, 'lazy_term, 'ident) pattern * 'ident option list
124 | Transitivity of loc * 'term
125 (* Declarative language *)
126 | Assume of loc * 'ident * 'term
127 | Suppose of loc * 'term *'ident * 'term option
128 | By_just_we_proved of loc * 'term just *
129 'term * 'ident option * 'term option
130 | We_need_to_prove of loc * 'term * 'ident option * 'term option
131 | Bydone of loc * 'term just
132 | We_proceed_by_induction_on of loc * 'term * 'term
133 | We_proceed_by_cases_on of loc * 'term * 'term
134 | Byinduction of loc * 'term * 'ident
135 | Thesisbecomes of loc * 'term
136 | Case of loc * string * (string * 'term) list
137 | ExistsElim of loc * 'term just * 'ident * 'term * 'ident * 'lazy_term
138 | AndElim of loc * 'term just * 'ident * 'term * 'ident * 'term
140 loc * (string option * 'term) option * 'term *
141 [ `Term of 'term | `Auto of 'term auto_params
142 | `Proof | `SolveWith of 'term ] *
145 type search_kind = [ `Locate | `Hint | `Match | `Elim ]
147 type print_kind = [ `Env | `Coer ]
149 type presentation_style = Declarative
150 | Procedural of int option
152 type ('term,'lazy_term) macro =
154 | WHint of loc * 'term
155 | WMatch of loc * 'term
156 | WInstance of loc * 'term
157 | WLocate of loc * string
158 | WElim of loc * 'term
160 | Eval of loc * 'lazy_term reduction * 'term
161 | Check of loc * 'term
163 | AutoInteractive of loc * 'term auto_params
164 | Inline of loc * presentation_style * string * string * Cic.object_flavour option
165 (* URI or base-uri, name prefix, flavour *)
167 (** To be increased each time the command type below changes, used for "safe"
171 type ('term,'obj) command =
172 | Index of loc * 'term option (* key *) * UriManager.uri (* value *)
173 | Coercion of loc * 'term * bool (* add_obj *) *
174 int (* arity *) * int (* saturations *)
175 | PreferCoercion of loc * 'term
176 | UnificationHint of loc * 'term * int (* term, precedence *)
177 | Default of loc * string * UriManager.uri list
179 | Include of loc * string
182 loc * string * 'term * 'term * 'term option * 'term option * 'term option
183 | Set of loc * string * string
184 | Print of loc * string
186 | NObj of loc * CicNotationPt.term CicNotationPt.obj
188 type punctuation_tactical =
193 | Pos of loc * int list
197 type non_punctuation_tactical =
198 | Focus of loc * int list
202 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) code =
203 | Command of loc * ('term, 'obj) command
204 | Macro of loc * ('term,'lazy_term) macro
205 | NTactic of loc * ntactic * punctuation_tactical
206 | Tactic of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic option
207 * punctuation_tactical
208 | NonPunctuationTactical of loc * non_punctuation_tactical
209 * punctuation_tactical
211 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment =
212 | Note of loc * string
213 | Code of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
215 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) statement =
216 | Executable of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
217 | Comment of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment