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
59 | NIntro of loc * string
60 | NRewrite of loc * direction * CicNotationPt.term * npattern
61 | NGeneralize of loc * npattern
63 type ('term, 'lazy_term, 'reduction, 'ident) tactic =
64 (* Higher order tactics (i.e. tacticals) *)
65 | Do of loc * int * ('term, 'lazy_term, 'reduction, 'ident) tactic
66 | Repeat of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
67 | Seq of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
68 (* sequential composition *)
69 | Then of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic *
70 ('term, 'lazy_term, 'reduction, 'ident) tactic list
71 | First of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
72 (* try a sequence of loc * tactic until one succeeds, fail otherwise *)
73 | Try of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
74 (* try a tactic and mask failures *)
75 | Solve of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
76 | Progress of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
78 | Absurd of loc * 'term
79 | Apply of loc * 'term
80 | ApplyRule of loc * 'term
81 | ApplyP of loc * 'term (* apply for procedural reconstruction *)
82 | ApplyS of loc * 'term * 'term auto_params
84 | AutoBatch of loc * 'term auto_params
85 | Cases of loc * 'term * ('term, 'lazy_term, 'ident) pattern *
87 | Change of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
88 | Clear of loc * 'ident list
89 | ClearBody of loc * 'ident
90 | Compose of loc * 'term * 'term option * int * 'ident intros_spec
91 | Constructor of loc * int
92 | Contradiction of loc
93 | Cut of loc * 'ident option * 'term
94 | Decompose of loc * 'ident option list
95 | Demodulate of loc * 'term auto_params
96 | Destruct of loc * 'term list option
97 | Elim of loc * 'term * 'term option * ('term, 'lazy_term, 'ident) pattern *
99 | ElimType of loc * 'term * 'term option * 'ident intros_spec
100 | Exact of loc * 'term
103 | Fold of loc * 'reduction * 'lazy_term * ('term, 'lazy_term, 'ident) pattern
105 | FwdSimpl of loc * string * 'ident option list
106 | Generalize of loc * ('term, 'lazy_term, 'ident) pattern * 'ident option
108 | Intros of loc * 'ident intros_spec
109 | Inversion of loc * 'term
110 | LApply of loc * bool * int option * 'term list * 'term * 'ident option
112 | LetIn of loc * 'term * 'ident
113 | Reduce of loc * 'reduction * ('term, 'lazy_term, 'ident) pattern
115 | Replace of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
116 | Rewrite of loc * direction * 'term *
117 ('term, 'lazy_term, 'ident) pattern * 'ident option list
122 | Transitivity of loc * 'term
123 (* Declarative language *)
124 | Assume of loc * 'ident * 'term
125 | Suppose of loc * 'term *'ident * 'term option
126 | By_just_we_proved of loc * 'term just *
127 'term * 'ident option * 'term option
128 | We_need_to_prove of loc * 'term * 'ident option * 'term option
129 | Bydone of loc * 'term just
130 | We_proceed_by_induction_on of loc * 'term * 'term
131 | We_proceed_by_cases_on of loc * 'term * 'term
132 | Byinduction of loc * 'term * 'ident
133 | Thesisbecomes of loc * 'term
134 | Case of loc * string * (string * 'term) list
135 | ExistsElim of loc * 'term just * 'ident * 'term * 'ident * 'lazy_term
136 | AndElim of loc * 'term just * 'ident * 'term * 'ident * 'term
138 loc * (string option * 'term) option * 'term *
139 [ `Term of 'term | `Auto of 'term auto_params
140 | `Proof | `SolveWith of 'term ] *
143 type search_kind = [ `Locate | `Hint | `Match | `Elim ]
145 type print_kind = [ `Env | `Coer ]
147 type presentation_style = Declarative
148 | Procedural of int option
150 type ('term,'lazy_term) macro =
152 | WHint of loc * 'term
153 | WMatch of loc * 'term
154 | WInstance of loc * 'term
155 | WLocate of loc * string
156 | WElim of loc * 'term
158 | Eval of loc * 'lazy_term reduction * 'term
159 | Check of loc * 'term
161 | AutoInteractive of loc * 'term auto_params
162 | Inline of loc * presentation_style * string * string * Cic.object_flavour option
163 (* URI or base-uri, name prefix, flavour *)
165 (** To be increased each time the command type below changes, used for "safe"
169 type ('term,'obj) command =
170 | Index of loc * 'term option (* key *) * UriManager.uri (* value *)
171 | Coercion of loc * 'term * bool (* add_obj *) *
172 int (* arity *) * int (* saturations *)
173 | PreferCoercion of loc * 'term
174 | UnificationHint of loc * 'term * int (* term, precedence *)
175 | Default of loc * string * UriManager.uri list
177 | Include of loc * string
180 loc * string * 'term * 'term * 'term option * 'term option * 'term option
181 | Set of loc * string * string
182 | Print of loc * string
184 | NObj of loc * CicNotationPt.term CicNotationPt.obj
186 type punctuation_tactical =
191 | Pos of loc * int list
195 type non_punctuation_tactical =
196 | Focus of loc * int list
200 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) code =
201 | Command of loc * ('term, 'obj) command
202 | Macro of loc * ('term,'lazy_term) macro
203 | NTactic of loc * ntactic * punctuation_tactical
204 | Tactic of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic option
205 * punctuation_tactical
206 | NonPunctuationTactical of loc * non_punctuation_tactical
207 * punctuation_tactical
209 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment =
210 | Note of loc * string
211 | Code of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
213 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) statement =
214 | Executable of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
215 | Comment of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment