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
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2011 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
(*i $Id: modops.ml 9872 2007-05-30 16:01:18Z soubiran $ i*)
(*i*)
open Util
open Pp
open Names
open Univ
open Term
open Declarations
open Environ
(*i*)
let error_not_a_constant l =
error ("\""^(string_of_label l)^"\" is not a constant")
let error_not_a_functor _ = error "Application of not a functor"
let error_incompatible_modtypes _ _ = error "Incompatible module types"
let error_not_equal _ _ = error "Not equal modules"
let error_not_match l _ =
error ("Signature components for label "^string_of_label l^" do not match")
let error_no_such_label l = error ("No such label "^string_of_label l)
let error_no_such_label_sub l l1 =
let l1 = string_of_mp l1 in
error ("The field "^
string_of_label l^" is missing in "^l1^".")
let error_not_a_module_loc loc s =
user_err_loc (loc,"",str ("\""^string_of_label s^"\" is not a module"))
let error_not_a_module s = error_not_a_module_loc dummy_loc s
let error_with_incorrect l =
error ("Incorrect constraint for label \""^(string_of_label l)^"\"")
let error_a_generative_module_expected l =
error ("The module " ^ string_of_label l ^ " is not generative. Only " ^
"component of generative modules can be changed using the \"with\" " ^
"construct.")
let error_signature_expected mtb =
error "Signature expected"
let error_application_to_not_path _ = error "Application to not path"
let destr_functor env mtb =
match mtb with
| SEBfunctor (arg_id,arg_t,body_t) ->
(arg_id,arg_t,body_t)
| _ -> error_not_a_functor mtb
let is_functor = function
| SEBfunctor (arg_id,arg_t,body_t) -> true
| _ -> false
let module_body_of_type mp mtb =
{ mod_mp = mp;
mod_type = mtb.typ_expr;
mod_type_alg = mtb.typ_expr_alg;
mod_expr = None;
mod_constraints = mtb.typ_constraints;
mod_delta = mtb.typ_delta;
mod_retroknowledge = []}
let check_modpath_equiv env mp1 mp2 =
if mp1=mp2 then () else
(* let mb1=lookup_module mp1 env in
let mb2=lookup_module mp2 env in
if (delta_of_mp mb1.mod_delta mp1)=(delta_of_mp mb2.mod_delta mp2)
then ()
else*) error_not_equal mp1 mp2
let rec add_signature mp sign resolver env =
let add_one env (l,elem) =
let kn = make_kn mp empty_dirpath l in
let con = constant_of_kn kn in
let mind = mind_of_delta resolver (mind_of_kn kn) in
match elem with
| SFBconst cb ->
(* let con = constant_of_delta resolver con in*)
Environ.add_constant con cb env
| SFBmind mib ->
(* let mind = mind_of_delta resolver mind in*)
Environ.add_mind mind mib env
| SFBmodule mb -> add_module mb env
(* adds components as well *)
| SFBmodtype mtb -> Environ.add_modtype mtb.typ_mp mtb env
in
List.fold_left add_one env sign
and add_module mb env =
let mp = mb.mod_mp in
let env = Environ.shallow_add_module mp mb env in
match mb.mod_type with
| SEBstruct (sign) ->
add_signature mp sign mb.mod_delta env
| SEBfunctor _ -> env
| _ -> anomaly "Modops:the evaluation of the structure failed "
let strengthen_const mp_from l cb resolver =
match cb.const_opaque, cb.const_body with
| false, Some _ -> cb
| true, Some _
| _, None ->
let con = make_con mp_from empty_dirpath l in
(* let con = constant_of_delta resolver con in*)
let const = Const con in
let const_subs = Some (Declarations.from_val const) in
{cb with
const_body = const_subs;
const_opaque = false;
}
let rec strengthen_mod mp_from mp_to mb =
if Declarations.mp_in_delta mb.mod_mp mb.mod_delta then
mb
else
match mb.mod_type with
| SEBstruct (sign) ->
let resolve_out,sign_out =
strengthen_sig mp_from sign mp_to mb.mod_delta in
{ mb with
mod_expr = Some (SEBident mp_to);
mod_type = SEBstruct(sign_out);
mod_type_alg = mb.mod_type_alg;
mod_constraints = mb.mod_constraints;
mod_delta = resolve_out(*add_mp_delta_resolver mp_from mp_to
(add_delta_resolver mb.mod_delta resolve_out)*);
mod_retroknowledge = mb.mod_retroknowledge}
| SEBfunctor _ -> mb
| _ -> anomaly "Modops:the evaluation of the structure failed "
and strengthen_sig mp_from sign mp_to resolver =
match sign with
| [] -> empty_delta_resolver,[]
| (l,SFBconst cb) :: rest ->
let item' = l,SFBconst (strengthen_const mp_from l cb resolver) in
let resolve_out,rest' = strengthen_sig mp_from rest mp_to resolver in
resolve_out,item'::rest'
| (_,SFBmind _ as item):: rest ->
let resolve_out,rest' = strengthen_sig mp_from rest mp_to resolver in
resolve_out,item::rest'
| (l,SFBmodule mb) :: rest ->
let mp_from' = MPdot (mp_from,l) in
let mp_to' = MPdot(mp_to,l) in
let mb_out = strengthen_mod mp_from' mp_to' mb in
let item' = l,SFBmodule (mb_out) in
let resolve_out,rest' = strengthen_sig mp_from rest mp_to resolver in
resolve_out, item'::rest'
| (l,SFBmodtype mty as item) :: rest ->
let resolve_out,rest' = strengthen_sig mp_from rest mp_to resolver in
resolve_out, item::rest'
let strengthen mtb mp =
match mtb.typ_expr with
| SEBstruct (sign) ->
let resolve_out,sign_out =
strengthen_sig mtb.typ_mp sign mp mtb.typ_delta
in
{mtb with
typ_expr = SEBstruct(sign_out);
typ_delta = resolve_out(*add_delta_resolver mtb.typ_delta
(add_mp_delta_resolver mtb.typ_mp mp resolve_out)*)}
| SEBfunctor _ -> mtb
| _ -> anomaly "Modops:the evaluation of the structure failed "
let subst_and_strengthen mb mp =
strengthen_mod mb.mod_mp mp
(subst_module (map_mp mb.mod_mp mp) mb)
let module_type_of_module mp mb =
match mp with
Some mp ->
strengthen {
typ_mp = mp;
typ_expr = mb.mod_type;
typ_expr_alg = None;
typ_constraints = mb.mod_constraints;
typ_delta = mb.mod_delta} mp
| None ->
{typ_mp = mb.mod_mp;
typ_expr = mb.mod_type;
typ_expr_alg = None;
typ_constraints = mb.mod_constraints;
typ_delta = mb.mod_delta}
|
