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 = Token.flocation
32 type ('term, 'lazy_term, 'ident) pattern =
33 'lazy_term option * ('ident * 'term) list * 'term option
35 type ('term, 'ident) type_spec =
37 | Type of UriManager.uri * int
39 type 'lazy_term reduction =
43 | `Unfold of 'lazy_term option
46 type ('term, 'lazy_term, 'reduction, 'ident) tactic =
47 | Absurd of loc * 'term
48 | Apply of loc * 'term
49 | ApplyS of loc * 'term * (string * string) list
51 | Auto of loc * (string * string) list
52 | Cases of loc * 'term * 'ident list
53 | Change of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
54 | Clear of loc * 'ident list
55 | ClearBody of loc * 'ident
56 | Constructor of loc * int
57 | Contradiction of loc
58 | Cut of loc * 'ident option * 'term
59 | Decompose of loc * ('term, 'ident) type_spec list * 'ident option * 'ident list
61 | Destruct of loc * 'term
62 | Elim of loc * 'term * 'term option * int option * 'ident list
63 | ElimType of loc * 'term * 'term option * int option * 'ident list
64 | Exact of loc * 'term
67 | Fold of loc * 'reduction * 'lazy_term * ('term, 'lazy_term, 'ident) pattern
69 | FwdSimpl of loc * string * 'ident list
70 | Generalize of loc * ('term, 'lazy_term, 'ident) pattern * 'ident option
71 | Goal of loc * int (* change current goal, argument is goal number 1-based *)
73 | Intros of loc * int option * 'ident list
74 | Inversion of loc * 'term
75 | LApply of loc * bool * int option * 'term list * 'term * 'ident option
77 | LetIn of loc * 'term * 'ident
78 | Reduce of loc * 'reduction * ('term, 'lazy_term, 'ident) pattern
80 | Replace of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
81 | Rewrite of loc * direction * 'term *
82 ('term, 'lazy_term, 'ident) pattern * 'ident list
88 | Transitivity of loc * 'term
89 (* Costruttori Aggiunti *)
90 | Assume of loc * 'ident * 'term
91 | Suppose of loc * 'term *'ident * 'term option
92 | By_term_we_proved of loc *'term option * 'term * 'ident option * 'term option
93 | We_need_to_prove of loc * 'term * 'ident option * 'term option
94 | Bydone of loc * 'term option
95 | We_proceed_by_induction_on of loc * 'term * 'term
96 | We_proceed_by_cases_on of loc * 'term * 'term
97 | Byinduction of loc * 'term * 'ident
98 | Thesisbecomes of loc * 'term
99 | Case of loc * string * (string * 'term) list
100 | ExistsElim of loc * 'term * 'ident * 'term * 'ident * 'term
101 | AndElim of loc * 'term * 'ident * 'term * 'ident * 'term
103 loc * (string option * 'term) option * 'term *
104 [ `Term of 'term | `Auto of (string * string) list ] *
107 type search_kind = [ `Locate | `Hint | `Match | `Elim ]
109 type print_kind = [ `Env | `Coer ]
111 type presentation_style = Declarative
112 | Procedural of int option
116 | WHint of loc * 'term
117 | WMatch of loc * 'term
118 | WInstance of loc * 'term
119 | WLocate of loc * string
120 | WElim of loc * 'term
122 | Check of loc * 'term
124 | Inline of loc * presentation_style * string * string
125 (* URI or base-uri, name prefix *)
127 (** To be increased each time the command type below changes, used for "safe"
131 type ('term,'obj) command =
132 | Index of loc * 'term option (* key *) * UriManager.uri (* value *)
133 | Coercion of loc * UriManager.uri * bool (* add_obj *) * int (* arity *)
134 | Default of loc * string * UriManager.uri list
136 | Include of loc * string
139 loc * string * 'term * 'term * 'term option * 'term option * 'term option
140 | Set of loc * string * string
141 | Print of loc * string
144 type ('term, 'lazy_term, 'reduction, 'ident) tactical =
145 | Tactic of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
146 | Do of loc * int * ('term, 'lazy_term, 'reduction, 'ident) tactical
147 | Repeat of loc * ('term, 'lazy_term, 'reduction, 'ident) tactical
148 | Seq of loc * ('term, 'lazy_term, 'reduction, 'ident) tactical list
149 (* sequential composition *)
150 | Then of loc * ('term, 'lazy_term, 'reduction, 'ident) tactical *
151 ('term, 'lazy_term, 'reduction, 'ident) tactical list
152 | First of loc * ('term, 'lazy_term, 'reduction, 'ident) tactical list
153 (* try a sequence of loc * tactical until one succeeds, fail otherwise *)
154 | Try of loc * ('term, 'lazy_term, 'reduction, 'ident) tactical
155 (* try a tactical and mask failures *)
156 | Solve of loc * ('term, 'lazy_term, 'reduction, 'ident) tactical list
157 | Progress of loc * ('term, 'lazy_term, 'reduction, 'ident) tactical
163 | Pos of loc * int list
166 | Focus of loc * int list
172 | Dot _ | Semicolon _ | Branch _ | Shift _ | Merge _ | Pos _ -> true
175 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) code =
176 | Command of loc * ('term, 'obj) command
177 | Macro of loc * 'term macro
178 | Tactical of loc * ('term, 'lazy_term, 'reduction, 'ident) tactical
179 * ('term, 'lazy_term, 'reduction, 'ident) tactical option(* punctuation *)
181 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment =
182 | Note of loc * string
183 | Code of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
185 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) statement =
186 | Executable of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
187 | Comment of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment