1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
open Util
open Pp
open Names
open Tacexpr
(** Tactic notations (TacAlias) *)
type alias = KerName.t
type alias_tactic = Id.t list * glob_tactic_expr
let alias_map = Summary.ref ~name:"tactic-alias"
(KNmap.empty : alias_tactic KNmap.t)
let register_alias key tac =
alias_map := KNmap.add key tac !alias_map
let interp_alias key =
try KNmap.find key !alias_map
with Not_found -> CErrors.anomaly (str "Unknown tactic alias: " ++ KerName.print key)
let check_alias key = KNmap.mem key !alias_map
(** ML tactic extensions (TacML) *)
type ml_tactic =
Geninterp.Val.t list -> Geninterp.interp_sign -> unit Proofview.tactic
module MLName =
struct
type t = ml_tactic_name
let compare tac1 tac2 =
let c = String.compare tac1.mltac_tactic tac2.mltac_tactic in
if c = 0 then String.compare tac1.mltac_plugin tac2.mltac_plugin
else c
end
module MLTacMap = Map.Make(MLName)
let pr_tacname t =
str t.mltac_plugin ++ str "::" ++ str t.mltac_tactic
let tac_tab = ref MLTacMap.empty
let register_ml_tactic ?(overwrite = false) s (t : ml_tactic array) =
let () =
if MLTacMap.mem s !tac_tab then
if overwrite then
tac_tab := MLTacMap.remove s !tac_tab
else
CErrors.anomaly (str "Cannot redeclare tactic " ++ pr_tacname s ++ str ".")
in
tac_tab := MLTacMap.add s t !tac_tab
let interp_ml_tactic { mltac_name = s; mltac_index = i } =
try
let tacs = MLTacMap.find s !tac_tab in
let () = if Array.length tacs <= i then raise Not_found in
tacs.(i)
with Not_found ->
CErrors.user_err
(str "The tactic " ++ pr_tacname s ++ str " is not installed.")
(***************************************************************************)
(* Tactic registration *)
(* Summary and Object declaration *)
open Nametab
open Libobject
type ltac_entry = {
tac_for_ml : bool;
tac_body : glob_tactic_expr;
tac_redef : ModPath.t list;
}
let mactab =
Summary.ref (KNmap.empty : ltac_entry KNmap.t)
~name:"tactic-definition"
let ltac_entries () = !mactab
let interp_ltac r = (KNmap.find r !mactab).tac_body
let is_ltac_for_ml_tactic r = (KNmap.find r !mactab).tac_for_ml
let add kn b t =
let entry = { tac_for_ml = b; tac_body = t; tac_redef = [] } in
mactab := KNmap.add kn entry !mactab
let replace kn path t =
let (path, _, _) = KerName.repr path in
let entry _ e = { e with tac_body = t; tac_redef = path :: e.tac_redef } in
mactab := KNmap.modify kn entry !mactab
let load_md i ((sp, kn), (local, id, b, t)) = match id with
| None ->
let () = if not local then Nametab.push_tactic (Until i) sp kn in
add kn b t
| Some kn0 -> replace kn0 kn t
let open_md i ((sp, kn), (local, id, b, t)) = match id with
| None ->
let () = if not local then Nametab.push_tactic (Exactly i) sp kn in
add kn b t
| Some kn0 -> replace kn0 kn t
let cache_md ((sp, kn), (local, id ,b, t)) = match id with
| None ->
let () = Nametab.push_tactic (Until 1) sp kn in
add kn b t
| Some kn0 -> replace kn0 kn t
let subst_kind subst id = match id with
| None -> None
| Some kn -> Some (Mod_subst.subst_kn subst kn)
let subst_md (subst, (local, id, b, t)) =
(local, subst_kind subst id, b, Tacsubst.subst_tactic subst t)
let classify_md (local, _, _, _ as o) = Substitute o
let inMD : bool * Nametab.ltac_constant option * bool * glob_tactic_expr -> obj =
declare_object {(default_object "TAC-DEFINITION") with
cache_function = cache_md;
load_function = load_md;
open_function = open_md;
subst_function = subst_md;
classify_function = classify_md}
let register_ltac for_ml local id tac =
ignore (Lib.add_leaf id (inMD (local, None, for_ml, tac)))
let redefine_ltac local kn tac =
Lib.add_anonymous_leaf (inMD (local, Some kn, false, tac))
|
