blob: d2b50fa83dc30ea0160781545c29e860e8cca2c8 (
plain)
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
|
(************************************************************************)
(* * The Coq Proof Assistant / The Coq Development Team *)
(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *)
(* <O___,, * (see CREDITS file for the list of authors) *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(* * (see LICENSE file for the text of the license) *)
(************************************************************************)
open Util
open Pp
open CErrors
open Notation_gram
(*s Pretty-print. *)
type ppbox =
| PpHB of int
| PpHOVB of int
| PpHVB of int
| PpVB of int
type ppcut =
| PpBrk of int * int
| PpFnl
let ppcmd_of_box = function
| PpHB n -> h n
| PpHOVB n -> hov n
| PpHVB n -> hv n
| PpVB n -> v n
let ppcmd_of_cut = function
| PpFnl -> fnl ()
| PpBrk(n1,n2) -> brk(n1,n2)
type unparsing =
| UnpMetaVar of int * parenRelation
| UnpBinderMetaVar of int * parenRelation
| UnpListMetaVar of int * parenRelation * unparsing list
| UnpBinderListMetaVar of int * bool * unparsing list
| UnpTerminal of string
| UnpBox of ppbox * unparsing Loc.located list
| UnpCut of ppcut
type unparsing_rule = unparsing list * precedence
type extra_unparsing_rules = (string * string) list
(* Concrete syntax for symbolic-extension table *)
let notation_rules =
Summary.ref ~name:"notation-rules" (String.Map.empty : (unparsing_rule * extra_unparsing_rules * notation_grammar) String.Map.t)
let declare_notation_rule ntn ~extra unpl gram =
notation_rules := String.Map.add ntn (unpl,extra,gram) !notation_rules
let find_notation_printing_rule ntn =
try pi1 (String.Map.find ntn !notation_rules)
with Not_found -> anomaly (str "No printing rule found for " ++ str ntn ++ str ".")
let find_notation_extra_printing_rules ntn =
try pi2 (String.Map.find ntn !notation_rules)
with Not_found -> []
let find_notation_parsing_rules ntn =
try pi3 (String.Map.find ntn !notation_rules)
with Not_found -> anomaly (str "No parsing rule found for " ++ str ntn ++ str ".")
let get_defined_notations () =
String.Set.elements @@ String.Map.domain !notation_rules
let add_notation_extra_printing_rule ntn k v =
try
notation_rules :=
let p, pp, gr = String.Map.find ntn !notation_rules in
String.Map.add ntn (p, (k,v) :: pp, gr) !notation_rules
with Not_found ->
user_err ~hdr:"add_notation_extra_printing_rule"
(str "No such Notation.")
|
