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
62 type ('term, 'lazy_term, 'reduction, 'ident) tactic =
63 (* Higher order tactics (i.e. tacticals) *)
64 | Do of loc * int * ('term, 'lazy_term, 'reduction, 'ident) tactic
65 | Repeat of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
66 | Seq of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
67 (* sequential composition *)
68 | Then of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic *
69 ('term, 'lazy_term, 'reduction, 'ident) tactic list
70 | First of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
71 (* try a sequence of loc * tactic until one succeeds, fail otherwise *)
72 | Try of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
73 (* try a tactic and mask failures *)
74 | Solve of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
75 | Progress of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
77 | Absurd of loc * 'term
78 | Apply of loc * 'term
79 | ApplyRule of loc * 'term
80 | ApplyP of loc * 'term (* apply for procedural reconstruction *)
81 | ApplyS of loc * 'term * 'term auto_params
83 | AutoBatch of loc * 'term auto_params
84 | Cases of loc * 'term * ('term, 'lazy_term, 'ident) pattern *
86 | Change of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
87 | Clear of loc * 'ident list
88 | ClearBody of loc * 'ident
89 | Compose of loc * 'term * 'term option * int * 'ident intros_spec
90 | Constructor of loc * int
91 | Contradiction of loc
92 | Cut of loc * 'ident option * 'term
93 | Decompose of loc * 'ident option list
94 | Demodulate of loc * 'term auto_params
95 | Destruct of loc * 'term list option
96 | Elim of loc * 'term * 'term option * ('term, 'lazy_term, 'ident) pattern *
98 | ElimType of loc * 'term * 'term option * 'ident intros_spec
99 | Exact of loc * 'term
102 | Fold of loc * 'reduction * 'lazy_term * ('term, 'lazy_term, 'ident) pattern
104 | FwdSimpl of loc * string * 'ident option list
105 | Generalize of loc * ('term, 'lazy_term, 'ident) pattern * 'ident option
107 | Intros of loc * 'ident intros_spec
108 | Inversion of loc * 'term
109 | LApply of loc * bool * int option * 'term list * 'term * 'ident option
111 | LetIn of loc * 'term * 'ident
112 | Reduce of loc * 'reduction * ('term, 'lazy_term, 'ident) pattern
114 | Replace of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
115 | Rewrite of loc * direction * 'term *
116 ('term, 'lazy_term, 'ident) pattern * 'ident option list
121 | Transitivity of loc * 'term
122 (* Declarative language *)
123 | Assume of loc * 'ident * 'term
124 | Suppose of loc * 'term *'ident * 'term option
125 | By_just_we_proved of loc * 'term just *
126 'term * 'ident option * 'term option
127 | We_need_to_prove of loc * 'term * 'ident option * 'term option
128 | Bydone of loc * 'term just
129 | We_proceed_by_induction_on of loc * 'term * 'term
130 | We_proceed_by_cases_on of loc * 'term * 'term
131 | Byinduction of loc * 'term * 'ident
132 | Thesisbecomes of loc * 'term
133 | Case of loc * string * (string * 'term) list
134 | ExistsElim of loc * 'term just * 'ident * 'term * 'ident * 'lazy_term
135 | AndElim of loc * 'term just * 'ident * 'term * 'ident * 'term
137 loc * (string option * 'term) option * 'term *
138 [ `Term of 'term | `Auto of 'term auto_params
139 | `Proof | `SolveWith of 'term ] *
142 type search_kind = [ `Locate | `Hint | `Match | `Elim ]
144 type print_kind = [ `Env | `Coer ]
146 type presentation_style = Declarative
147 | Procedural of int option
149 type ('term,'lazy_term) macro =
151 | WHint of loc * 'term
152 | WMatch of loc * 'term
153 | WInstance of loc * 'term
154 | WLocate of loc * string
155 | WElim of loc * 'term
157 | Eval of loc * 'lazy_term reduction * 'term
158 | Check of loc * 'term
160 | AutoInteractive of loc * 'term auto_params
161 | Inline of loc * presentation_style * string * string * Cic.object_flavour option
162 (* URI or base-uri, name prefix, flavour *)
164 (** To be increased each time the command type below changes, used for "safe"
168 type ('term,'obj) command =
169 | Index of loc * 'term option (* key *) * UriManager.uri (* value *)
170 | Coercion of loc * 'term * bool (* add_obj *) *
171 int (* arity *) * int (* saturations *)
172 | PreferCoercion of loc * 'term
173 | UnificationHint of loc * 'term * int (* term, precedence *)
174 | Default of loc * string * UriManager.uri list
176 | Include of loc * string
179 loc * string * 'term * 'term * 'term option * 'term option * 'term option
180 | Set of loc * string * string
181 | Print of loc * string
183 | NObj of loc * CicNotationPt.term CicNotationPt.obj
185 type punctuation_tactical =
190 | Pos of loc * int list
194 type non_punctuation_tactical =
195 | Focus of loc * int list
199 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) code =
200 | Command of loc * ('term, 'obj) command
201 | Macro of loc * ('term,'lazy_term) macro
202 | NTactic of loc * ntactic * punctuation_tactical
203 | Tactic of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic option
204 * punctuation_tactical
205 | NonPunctuationTactical of loc * non_punctuation_tactical
206 * punctuation_tactical
208 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment =
209 | Note of loc * string
210 | Code of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
212 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) statement =
213 | Executable of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
214 | Comment of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment