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.
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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/
26 type direction = [ `LeftToRight | `RightToLeft ]
27 type 'term reduction_kind =
28 [ `Normalize | `Reduce | `Simpl | `Unfold of 'term option | `Whd ]
30 type loc = CicNotationPt.location
32 type ('term, 'ident) pattern = 'term option * ('ident * 'term) list * 'term
34 type ('term, 'ident) type_spec =
36 | Type of UriManager.uri * int
38 type ('term, 'ident) tactic =
39 | Absurd of loc * 'term
40 | Apply of loc * 'term
42 | Auto of loc * int option * int option * string option (* depth, width, paramodulation ALB *)
43 | Change of loc * ('term,'ident) pattern * 'term
44 | Clear of loc * 'ident
45 | ClearBody of loc * 'ident
46 | Compare of loc * 'term
47 | Constructor of loc * int
48 | Contradiction of loc
49 | Cut of loc * 'ident option * 'term
50 | DecideEquality of loc
51 | Decompose of loc * ('term, 'ident) type_spec list * 'ident * 'ident list
52 | Discriminate of loc * 'term
53 | Elim of loc * 'term * 'term option * int option * 'ident list
54 | ElimType of loc * 'term * 'term option * int option * 'ident list
55 | Exact of loc * 'term
58 | Fold of loc * 'term reduction_kind * 'term * ('term, 'ident) pattern
60 | FwdSimpl of loc * string * 'ident list
61 | Generalize of loc * ('term, 'ident) pattern * 'ident option
62 | Goal of loc * int (* change current goal, argument is goal number 1-based *)
64 | Injection of loc * 'term
65 | Intros of loc * int option * 'ident list
66 | LApply of loc * int option * 'term list * 'term * 'ident option
68 | LetIn of loc * 'term * 'ident
69 | Reduce of loc * 'term reduction_kind * ('term, 'ident) pattern
71 | Replace of loc * ('term, 'ident) pattern * 'term
72 | Rewrite of loc * direction * 'term * ('term, 'ident) pattern
77 | Transitivity of loc * 'term
79 type thm_flavour = Cic.object_flavour
81 (** <name, inductive/coinductive, type, constructor list>
82 * true means inductive, false coinductive *)
83 type 'term inductive_type = string * bool * 'term * (string * 'term) list
85 type search_kind = [ `Locate | `Hint | `Match | `Elim ]
87 type print_kind = [ `Env | `Coer ]
91 | WHint of loc * 'term
92 | WMatch of loc * 'term
93 | WInstance of loc * 'term
94 | WLocate of loc * string
95 | WElim of loc * 'term
98 | Print of loc * string
99 | Check of loc * 'term
102 (* | Redo of loc * int option
103 | Undo of loc * int option *)
104 (* | Print of loc * print_kind *)
105 | Search_pat of loc * search_kind * string (* searches with string pattern *)
106 | Search_term of loc * search_kind * 'term (* searches with term pattern *)
109 | Ident_alias of string * string (* identifier, uri *)
110 | Symbol_alias of string * int * string (* name, instance no, description *)
111 | Number_alias of int * string (* instance no, description *)
114 | Inductive of (string * CicNotationPt.term) list *
115 CicNotationPt.term inductive_type list
116 (** parameters, list of loc * mutual inductive types *)
117 | Theorem of thm_flavour * string * CicNotationPt.term *
118 CicNotationPt.term option
119 (** flavour, name, type, body
120 * - name is absent when an unnamed theorem is being proved, tipically in
122 * - body is present when its given along with the command, otherwise it
123 * will be given in proof editing mode using the tactical language
125 | Record of (string * CicNotationPt.term) list * string * CicNotationPt.term *
126 (string * CicNotationPt.term) list
128 type ('term,'obj) command =
129 | Default of loc * string * UriManager.uri list
130 | Include of loc * string
131 | Set of loc * string * string
135 * Name is needed when theorem was started without providing a name
137 | Coercion of loc * 'term
138 | Alias of loc * alias_spec
139 (** parameters, name, type, fields *)
141 | Notation of loc * direction option * CicNotationPt.term * Gramext.g_assoc *
142 int * CicNotationPt.term
143 (* direction, l1 pattern, associativity, precedence, l2 pattern *)
144 | Interpretation of loc *
145 string * (string * CicNotationPt.argument_pattern list) *
146 CicNotationPt.cic_appl_pattern
147 (* description (i.e. id), symbol, arg pattern, appl pattern *)
150 | Dump of loc (* dump grammar on stdout *)
152 | Render of loc * UriManager.uri (* render library object *)
154 type ('term, 'ident) tactical =
155 | Tactic of loc * ('term, 'ident) tactic
156 | Do of loc * int * ('term, 'ident) tactical
157 | Repeat of loc * ('term, 'ident) tactical
158 | Seq of loc * ('term, 'ident) tactical list (* sequential composition *)
159 | Then of loc * ('term, 'ident) tactical * ('term, 'ident) tactical list
160 | First of loc * ('term, 'ident) tactical list
161 (* try a sequence of loc * tacticals until one succeeds, fail otherwise *)
162 | Try of loc * ('term, 'ident) tactical (* try a tactical and mask failures *)
163 | Solve of loc * ('term, 'ident) tactical list
166 type ('term, 'obj, 'ident) code =
167 | Command of loc * ('term,'obj) command
168 | Macro of loc * 'term macro
169 | Tactical of loc * ('term, 'ident) tactical
171 type ('term, 'obj, 'ident) comment =
172 | Note of loc * string
173 | Code of loc * ('term, 'obj, 'ident) code
175 type ('term, 'obj, 'ident) statement =
176 | Executable of loc * ('term, 'obj, 'ident) code
177 | Comment of loc * ('term, 'obj, 'ident) comment