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
35 type 'lazy_term reduction =
38 | `Unfold of 'lazy_term option
41 type 'ident intros_spec = int option * 'ident option list
43 type 'term auto_params = 'term list * (string*string) list
47 | `Auto of 'term auto_params ]
50 | NApply of loc * CicNotationPt.term
51 | NChange of loc * CicNotationPt.term * CicNotationPt.term
54 type ('term, 'lazy_term, 'reduction, 'ident) tactic =
55 (* Higher order tactics (i.e. tacticals) *)
56 | Do of loc * int * ('term, 'lazy_term, 'reduction, 'ident) tactic
57 | Repeat of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
58 | Seq of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
59 (* sequential composition *)
60 | Then of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic *
61 ('term, 'lazy_term, 'reduction, 'ident) tactic list
62 | First of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
63 (* try a sequence of loc * tactic until one succeeds, fail otherwise *)
64 | Try of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
65 (* try a tactic and mask failures *)
66 | Solve of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
67 | Progress of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
69 | Absurd of loc * 'term
70 | Apply of loc * 'term
71 | ApplyRule of loc * 'term
72 | ApplyP of loc * 'term (* apply for procedural reconstruction *)
73 | ApplyS of loc * 'term * 'term auto_params
75 | AutoBatch of loc * 'term auto_params
76 | Cases of loc * 'term * ('term, 'lazy_term, 'ident) pattern *
78 | Change of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
79 | Clear of loc * 'ident list
80 | ClearBody of loc * 'ident
81 | Compose of loc * 'term * 'term option * int * 'ident intros_spec
82 | Constructor of loc * int
83 | Contradiction of loc
84 | Cut of loc * 'ident option * 'term
85 | Decompose of loc * 'ident option list
86 | Demodulate of loc * 'term auto_params
87 | Destruct of loc * 'term list option
88 | Elim of loc * 'term * 'term option * ('term, 'lazy_term, 'ident) pattern *
90 | ElimType of loc * 'term * 'term option * 'ident intros_spec
91 | Exact of loc * 'term
94 | Fold of loc * 'reduction * 'lazy_term * ('term, 'lazy_term, 'ident) pattern
96 | FwdSimpl of loc * string * 'ident option list
97 | Generalize of loc * ('term, 'lazy_term, 'ident) pattern * 'ident option
99 | Intros of loc * 'ident intros_spec
100 | Inversion of loc * 'term
101 | LApply of loc * bool * int option * 'term list * 'term * 'ident option
103 | LetIn of loc * 'term * 'ident
104 | Reduce of loc * 'reduction * ('term, 'lazy_term, 'ident) pattern
106 | Replace of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
107 | Rewrite of loc * direction * 'term *
108 ('term, 'lazy_term, 'ident) pattern * 'ident option list
113 | Transitivity of loc * 'term
114 (* Declarative language *)
115 | Assume of loc * 'ident * 'term
116 | Suppose of loc * 'term *'ident * 'term option
117 | By_just_we_proved of loc * 'term just *
118 'term * 'ident option * 'term option
119 | We_need_to_prove of loc * 'term * 'ident option * 'term option
120 | Bydone of loc * 'term just
121 | We_proceed_by_induction_on of loc * 'term * 'term
122 | We_proceed_by_cases_on of loc * 'term * 'term
123 | Byinduction of loc * 'term * 'ident
124 | Thesisbecomes of loc * 'term
125 | Case of loc * string * (string * 'term) list
126 | ExistsElim of loc * 'term just * 'ident * 'term * 'ident * 'lazy_term
127 | AndElim of loc * 'term just * 'ident * 'term * 'ident * 'term
129 loc * (string option * 'term) option * 'term *
130 [ `Term of 'term | `Auto of 'term auto_params
131 | `Proof | `SolveWith of 'term ] *
134 type search_kind = [ `Locate | `Hint | `Match | `Elim ]
136 type print_kind = [ `Env | `Coer ]
138 type presentation_style = Declarative
139 | Procedural of int option
141 type ('term,'lazy_term) macro =
143 | WHint of loc * 'term
144 | WMatch of loc * 'term
145 | WInstance of loc * 'term
146 | WLocate of loc * string
147 | WElim of loc * 'term
149 | Eval of loc * 'lazy_term reduction * 'term
150 | Check of loc * 'term
152 | AutoInteractive of loc * 'term auto_params
153 | Inline of loc * presentation_style * string * string * Cic.object_flavour option
154 (* URI or base-uri, name prefix, flavour *)
156 (** To be increased each time the command type below changes, used for "safe"
160 type ('term,'obj) command =
161 | Index of loc * 'term option (* key *) * UriManager.uri (* value *)
162 | Coercion of loc * 'term * bool (* add_obj *) *
163 int (* arity *) * int (* saturations *)
164 | PreferCoercion of loc * 'term
165 | UnificationHint of loc * 'term * int (* term, precedence *)
166 | Default of loc * string * UriManager.uri list
168 | Include of loc * string
171 loc * string * 'term * 'term * 'term option * 'term option * 'term option
172 | Set of loc * string * string
173 | Print of loc * string
175 | NObj of loc * CicNotationPt.term CicNotationPt.obj
177 type punctuation_tactical =
182 | Pos of loc * int list
186 type non_punctuation_tactical =
187 | Focus of loc * int list
191 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) code =
192 | Command of loc * ('term, 'obj) command
193 | Macro of loc * ('term,'lazy_term) macro
194 | NTactic of loc * ntactic * punctuation_tactical
195 | Tactic of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic option
196 * punctuation_tactical
197 | NonPunctuationTactical of loc * non_punctuation_tactical
198 * punctuation_tactical
200 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment =
201 | Note of loc * string
202 | Code of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
204 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) statement =
205 | Executable of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
206 | Comment of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment