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 ]
49 type ('term, 'lazy_term, 'reduction, 'ident) tactic =
50 (* Higher order tactics (i.e. tacticals) *)
51 | Do of loc * int * ('term, 'lazy_term, 'reduction, 'ident) tactic
52 | Repeat of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
53 | Seq of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
54 (* sequential composition *)
55 | Then of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic *
56 ('term, 'lazy_term, 'reduction, 'ident) tactic list
57 | First of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
58 (* try a sequence of loc * tactic until one succeeds, fail otherwise *)
59 | Try of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
60 (* try a tactic and mask failures *)
61 | Solve of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic list
62 | Progress of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic
64 | Absurd of loc * 'term
65 | Apply of loc * 'term
66 | ApplyRule of loc * 'term
67 | ApplyP of loc * 'term (* apply for procedural reconstruction *)
68 | ApplyS of loc * 'term * 'term auto_params
70 | AutoBatch of loc * 'term auto_params
71 | Cases of loc * 'term * ('term, 'lazy_term, 'ident) pattern *
73 | Change of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
74 | Clear of loc * 'ident list
75 | ClearBody of loc * 'ident
76 | Compose of loc * 'term * 'term option * int * 'ident intros_spec
77 | Constructor of loc * int
78 | Contradiction of loc
79 | Cut of loc * 'ident option * 'term
80 | Decompose of loc * 'ident option list
81 | Demodulate of loc * 'term auto_params
82 | Destruct of loc * 'term list option
83 | Elim of loc * 'term * 'term option * ('term, 'lazy_term, 'ident) pattern *
85 | ElimType of loc * 'term * 'term option * 'ident intros_spec
86 | Exact of loc * 'term
89 | Fold of loc * 'reduction * 'lazy_term * ('term, 'lazy_term, 'ident) pattern
91 | FwdSimpl of loc * string * 'ident option list
92 | Generalize of loc * ('term, 'lazy_term, 'ident) pattern * 'ident option
94 | Intros of loc * 'ident intros_spec
95 | Inversion of loc * 'term
96 | LApply of loc * bool * int option * 'term list * 'term * 'ident option
98 | LetIn of loc * 'term * 'ident
99 | Reduce of loc * 'reduction * ('term, 'lazy_term, 'ident) pattern
101 | Replace of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
102 | Rewrite of loc * direction * 'term *
103 ('term, 'lazy_term, 'ident) pattern * 'ident option list
108 | Transitivity of loc * 'term
109 (* Declarative language *)
110 | Assume of loc * 'ident * 'term
111 | Suppose of loc * 'term *'ident * 'term option
112 | By_just_we_proved of loc * 'term just *
113 'term * 'ident option * 'term option
114 | We_need_to_prove of loc * 'term * 'ident option * 'term option
115 | Bydone of loc * 'term just
116 | We_proceed_by_induction_on of loc * 'term * 'term
117 | We_proceed_by_cases_on of loc * 'term * 'term
118 | Byinduction of loc * 'term * 'ident
119 | Thesisbecomes of loc * 'term
120 | Case of loc * string * (string * 'term) list
121 | ExistsElim of loc * 'term just * 'ident * 'term * 'ident * 'lazy_term
122 | AndElim of loc * 'term just * 'ident * 'term * 'ident * 'term
124 loc * (string option * 'term) option * 'term *
125 [ `Term of 'term | `Auto of 'term auto_params
126 | `Proof | `SolveWith of 'term ] *
129 type search_kind = [ `Locate | `Hint | `Match | `Elim ]
131 type print_kind = [ `Env | `Coer ]
133 type presentation_style = Declarative
134 | Procedural of int option
136 type ('term,'lazy_term) macro =
138 | WHint of loc * 'term
139 | WMatch of loc * 'term
140 | WInstance of loc * 'term
141 | WLocate of loc * string
142 | WElim of loc * 'term
144 | Eval of loc * 'lazy_term reduction * 'term
145 | Check of loc * 'term
147 | AutoInteractive of loc * 'term auto_params
148 | Inline of loc * presentation_style * string * string * Cic.object_flavour option
149 (* URI or base-uri, name prefix, flavour *)
151 (** To be increased each time the command type below changes, used for "safe"
155 type ('term,'obj) command =
156 | Index of loc * 'term option (* key *) * UriManager.uri (* value *)
157 | Coercion of loc * 'term * bool (* add_obj *) *
158 int (* arity *) * int (* saturations *)
159 | PreferCoercion of loc * 'term
160 | UnificationHint of loc * 'term * int (* term, precedence *)
161 | Default of loc * string * UriManager.uri list
163 | Include of loc * string
166 loc * string * 'term * 'term * 'term option * 'term option * 'term option
167 | Set of loc * string * string
168 | Print of loc * string
171 type ('term, 'lazy_term, 'reduction, 'ident) punctuation_tactical =
176 | Pos of loc * int list
180 type ('term,'lazy_term,'reduction,'ident) non_punctuation_tactical =
181 | Focus of loc * int list
185 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) code =
186 | Command of loc * ('term, 'obj) command
187 | Macro of loc * ('term,'lazy_term) macro
188 | Tactic of loc * ('term, 'lazy_term, 'reduction, 'ident) tactic option
189 * ('term, 'lazy_term, 'reduction, 'ident) punctuation_tactical
190 | NonPunctuationTactical of loc
191 * ('term, 'lazy_term, 'reduction, 'ident) non_punctuation_tactical
192 * ('term, 'lazy_term, 'reduction, 'ident) punctuation_tactical
194 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment =
195 | Note of loc * string
196 | Code of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
198 type ('term, 'lazy_term, 'reduction, 'obj, 'ident) statement =
199 | Executable of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) code
200 | Comment of loc * ('term, 'lazy_term, 'reduction, 'obj, 'ident) comment