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
|
(************************************************************************)
(* * The Coq Proof Assistant / The Coq Development Team *)
(* v * Copyright INRIA, CNRS and contributors *)
(* <O___,, * (see version control and CREDITS file for authors & dates) *)
(* \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) *)
(************************************************************************)
(* Created by Hugo Herbelin from code formerly dispatched in
syntax_def.ml or tacinterp.ml, Sep 2009 *)
(* This file provides high-level name globalization functions *)
(* *)
open Pp
open CErrors
open Libnames
open Globnames
open Abbreviation
open Notation_term
let global_of_extended_global_head = function
| TrueGlobal ref -> ref
| Abbrev kn ->
let _, syn_def = search_abbreviation kn in
let rec head_of = function
| NRef (ref,None) -> ref
| NApp (rc, _) -> head_of rc
| NCast (rc, _, _) -> head_of rc
| NLetIn (_, _, _, rc) -> head_of rc
| _ -> raise Not_found in
head_of syn_def
let global_of_extended_global_exn = function
| TrueGlobal ref -> ref
| Abbrev kn ->
match search_abbreviation kn with
| [],NRef (ref,None) -> ref
| [],NApp (NRef (ref,None),[]) -> ref
| _ -> raise Not_found
let locate_global_with_alias ?(head=false) qid =
let ref = Nametab.locate_extended qid in
try
if head then global_of_extended_global_head ref
else global_of_extended_global_exn ref
with Not_found ->
user_err ?loc:qid.CAst.loc (pr_qualid qid ++
str " is bound to a notation that does not denote a reference.")
let global_of_extended_global x =
try Some (global_of_extended_global_exn x)
with Not_found -> None
let global_constant_with_alias qid =
try match locate_global_with_alias qid with
| Names.GlobRef.ConstRef c -> c
| ref ->
user_err ?loc:qid.CAst.loc
(pr_qualid qid ++ spc () ++ str "is not a reference to a constant.")
with Not_found as exn ->
let _, info = Exninfo.capture exn in
Nametab.error_global_not_found ~info qid
let global_inductive_with_alias qid =
try match locate_global_with_alias qid with
| Names.GlobRef.IndRef ind -> ind
| ref ->
user_err ?loc:qid.CAst.loc
(pr_qualid qid ++ spc () ++ str "is not an inductive type.")
with Not_found as exn ->
let _, info = Exninfo.capture exn in
Nametab.error_global_not_found ~info qid
let global_constructor_with_alias qid =
try match locate_global_with_alias qid with
| Names.GlobRef.ConstructRef c -> c
| ref ->
user_err ?loc:qid.CAst.loc
(pr_qualid qid ++ spc () ++ str "is not a constructor of an inductive type.")
with Not_found as exn ->
let _, info = Exninfo.capture exn in
Nametab.error_global_not_found ~info qid
let global_with_alias ?head qid =
try locate_global_with_alias ?head qid
with Not_found as exn ->
let _, info = Exninfo.capture exn in
Nametab.error_global_not_found ~info qid
let smart_global ?(head = false) = let open Constrexpr in CAst.with_loc_val (fun ?loc -> function
| AN r ->
global_with_alias ~head r
| ByNotation (ntn,sc) ->
Notation.interp_notation_as_global_reference ?loc ~head (fun _ -> true) ntn sc)
let smart_global_kind f dest is = let open Constrexpr in CAst.with_loc_val (fun ?loc -> function
| AN r -> f r
| ByNotation (ntn,sc) ->
dest
(Notation.interp_notation_as_global_reference ?loc ~head:false is ntn sc))
let smart_global_constant =
smart_global_kind global_constant_with_alias destConstRef isConstRef
let smart_global_inductive =
smart_global_kind global_inductive_with_alias destIndRef isIndRef
let smart_global_constructor =
smart_global_kind global_constructor_with_alias destConstructRef isConstructRef
|
