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
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2014 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
(*i camlp4deps: "parsing/grammar.cma" i*)
(*
Syntax for the subtac terms and types.
Elaborated from correctness/psyntax.ml4 by Jean-Christophe Fillitre *)
open Flags
open Util
open Names
open Nameops
open Vernacentries
open Reduction
open Term
open Libnames
open Topconstr
(* We define new entries for programs, with the use of this module
* Subtac. These entries are named Subtac.<foo>
*)
module Gram = Pcoq.Gram
module Vernac = Pcoq.Vernac_
module Tactic = Pcoq.Tactic
module SubtacGram =
struct
let gec s = Gram.entry_create ("Subtac."^s)
(* types *)
let subtac_gallina_loc : Vernacexpr.vernac_expr located Gram.entry = gec "subtac_gallina_loc"
let subtac_withtac : Tacexpr.raw_tactic_expr option Gram.entry = gec "subtac_withtac"
end
open Glob_term
open SubtacGram
open Util
open Pcoq
open Prim
open Constr
let sigref = mkRefC (Qualid (dummy_loc, Libnames.qualid_of_string "Coq.Init.Specif.sig"))
GEXTEND Gram
GLOBAL: subtac_gallina_loc typeclass_constraint subtac_withtac;
subtac_gallina_loc:
[ [ g = Vernac.gallina -> loc, g
| g = Vernac.gallina_ext -> loc, g ] ]
;
subtac_withtac:
[ [ "with"; t = Tactic.tactic -> Some t
| -> None ] ]
;
Constr.closed_binder:
[[ "("; id=Prim.name; ":"; t=Constr.lconstr; "|"; c=Constr.lconstr; ")" ->
let typ = mkAppC (sigref, [mkLambdaC ([id], default_binder_kind, t, c)]) in
[LocalRawAssum ([id], default_binder_kind, typ)]
] ];
END
type 'a gallina_loc_argtype = (Vernacexpr.vernac_expr located, 'a) Genarg.abstract_argument_type
let (wit_subtac_gallina_loc : Genarg.tlevel gallina_loc_argtype),
(globwit_subtac_gallina_loc : Genarg.glevel gallina_loc_argtype),
(rawwit_subtac_gallina_loc : Genarg.rlevel gallina_loc_argtype) =
Genarg.create_arg None "subtac_gallina_loc"
type 'a withtac_argtype = (Tacexpr.raw_tactic_expr option, 'a) Genarg.abstract_argument_type
let (wit_subtac_withtac : Genarg.tlevel withtac_argtype),
(globwit_subtac_withtac : Genarg.glevel withtac_argtype),
(rawwit_subtac_withtac : Genarg.rlevel withtac_argtype) =
Genarg.create_arg None "subtac_withtac"
VERNAC COMMAND EXTEND Subtac
[ "Program" subtac_gallina_loc(g) ] -> [ Subtac.subtac g ]
END
let try_catch_exn f e =
try f e
with exn when Errors.noncritical exn ->
errorlabstrm "Program" (Errors.print exn)
let subtac_obligation e = try_catch_exn Subtac_obligations.subtac_obligation e
let next_obligation e = try_catch_exn Subtac_obligations.next_obligation e
let try_solve_obligation e = try_catch_exn Subtac_obligations.try_solve_obligation e
let try_solve_obligations e = try_catch_exn Subtac_obligations.try_solve_obligations e
let solve_all_obligations e = try_catch_exn Subtac_obligations.solve_all_obligations e
let admit_obligations e = try_catch_exn Subtac_obligations.admit_obligations e
VERNAC COMMAND EXTEND Subtac_Obligations
| [ "Obligation" integer(num) "of" ident(name) ":" lconstr(t) subtac_withtac(tac) ] ->
[ subtac_obligation (num, Some name, Some t) tac ]
| [ "Obligation" integer(num) "of" ident(name) subtac_withtac(tac) ] ->
[ subtac_obligation (num, Some name, None) tac ]
| [ "Obligation" integer(num) ":" lconstr(t) subtac_withtac(tac) ] ->
[ subtac_obligation (num, None, Some t) tac ]
| [ "Obligation" integer(num) subtac_withtac(tac) ] ->
[ subtac_obligation (num, None, None) tac ]
| [ "Next" "Obligation" "of" ident(name) subtac_withtac(tac) ] ->
[ next_obligation (Some name) tac ]
| [ "Next" "Obligation" subtac_withtac(tac) ] -> [ next_obligation None tac ]
END
VERNAC COMMAND EXTEND Subtac_Solve_Obligation
| [ "Solve" "Obligation" integer(num) "of" ident(name) "using" tactic(t) ] ->
[ try_solve_obligation num (Some name) (Some (Tacinterp.interp t)) ]
| [ "Solve" "Obligation" integer(num) "using" tactic(t) ] ->
[ try_solve_obligation num None (Some (Tacinterp.interp t)) ]
END
VERNAC COMMAND EXTEND Subtac_Solve_Obligations
| [ "Solve" "Obligations" "of" ident(name) "using" tactic(t) ] ->
[ try_solve_obligations (Some name) (Some (Tacinterp.interp t)) ]
| [ "Solve" "Obligations" "using" tactic(t) ] ->
[ try_solve_obligations None (Some (Tacinterp.interp t)) ]
| [ "Solve" "Obligations" ] ->
[ try_solve_obligations None None ]
END
VERNAC COMMAND EXTEND Subtac_Solve_All_Obligations
| [ "Solve" "All" "Obligations" "using" tactic(t) ] ->
[ solve_all_obligations (Some (Tacinterp.interp t)) ]
| [ "Solve" "All" "Obligations" ] ->
[ solve_all_obligations None ]
END
VERNAC COMMAND EXTEND Subtac_Admit_Obligations
| [ "Admit" "Obligations" "of" ident(name) ] -> [ admit_obligations (Some name) ]
| [ "Admit" "Obligations" ] -> [ admit_obligations None ]
END
VERNAC COMMAND EXTEND Subtac_Set_Solver
| [ "Obligation" "Tactic" ":=" tactic(t) ] -> [
Subtac_obligations.set_default_tactic
(Vernacexpr.use_section_locality ())
(Tacinterp.glob_tactic t) ]
END
open Pp
VERNAC COMMAND EXTEND Subtac_Show_Solver
| [ "Show" "Obligation" "Tactic" ] -> [
msgnl (str"Program obligation tactic is " ++ Subtac_obligations.print_default_tactic ()) ]
END
VERNAC COMMAND EXTEND Subtac_Show_Obligations
| [ "Obligations" "of" ident(name) ] -> [ Subtac_obligations.show_obligations (Some name) ]
| [ "Obligations" ] -> [ Subtac_obligations.show_obligations None ]
END
VERNAC COMMAND EXTEND Subtac_Show_Preterm
| [ "Preterm" "of" ident(name) ] -> [ Subtac_obligations.show_term (Some name) ]
| [ "Preterm" ] -> [ Subtac_obligations.show_term None ]
END
|
