summaryrefslogtreecommitdiff
path: root/interp/genarg.mli
blob: 302aa950f35b1a67099d3d92fe94df2fe53e5f7f (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
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
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
(************************************************************************)
(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2012     *)
(*   \VV/  **************************************************************)
(*    //   *      This file is distributed under the terms of the       *)
(*         *       GNU Lesser General Public License Version 2.1        *)
(************************************************************************)

open Util
open Names
open Term
open Libnames
open Glob_term
open Pattern
open Topconstr
open Term
open Evd

type 'a and_short_name = 'a * identifier located option

type 'a or_by_notation =
  | AN of 'a
  | ByNotation of (loc * string * Notation.delimiters option)

val loc_of_or_by_notation : ('a -> loc) -> 'a or_by_notation -> loc

(** In globalize tactics, we need to keep the initial [constr_expr] to recompute
   in the environment by the effective calls to Intro, Inversion, etc 
   The [constr_expr] field is [None] in TacDef though *)
type glob_constr_and_expr = glob_constr * constr_expr option

type open_constr_expr = unit * constr_expr
type open_glob_constr = unit * glob_constr_and_expr

type glob_constr_pattern_and_expr = glob_constr_and_expr * constr_pattern

type 'a with_ebindings = 'a * open_constr bindings

type intro_pattern_expr =
  | IntroOrAndPattern of or_and_intro_pattern_expr
  | IntroWildcard
  | IntroRewrite of bool
  | IntroIdentifier of identifier
  | IntroFresh of identifier
  | IntroForthcoming of bool
  | IntroAnonymous
and or_and_intro_pattern_expr = (loc * intro_pattern_expr) list list

val pr_intro_pattern : intro_pattern_expr located -> Pp.std_ppcmds
val pr_or_and_intro_pattern : or_and_intro_pattern_expr -> Pp.std_ppcmds

(** The route of a generic argument, from parsing to evaluation.
In the following diagram, "object" can be tactic_expr, constr, tactic_arg, etc.

{% \begin{%}verbatim{% }%}
             parsing          in_raw                            out_raw
   char stream ---> raw_object ---> raw_object generic_argument -------+
                          encapsulation                          decaps|
                                                                       |
                                                                       V
                                                                   raw_object
                                                                       |
                                                         globalization |
                                                                       V
                                                                   glob_object
                                                                       |
                                                                encaps |
                                                               in_glob |
                                                                       V
                                                           glob_object generic_argument
                                                                       |
          out                          in                     out_glob |
  object <--- object generic_argument <--- object <--- glob_object <---+
    |   decaps                       encaps      interp           decaps
    |
    V
effective use
{% \end{%}verbatim{% }%}

To distinguish between the uninterpreted (raw), globalized and
interpreted worlds, we annotate the type [generic_argument] by a
phantom argument which is either [constr_expr], [glob_constr] or
[constr].

Transformation for each type :
{% \begin{%}verbatim{% }%}
tag                            raw open type            cooked closed type

BoolArgType                    bool                      bool
IntArgType                     int                       int
IntOrVarArgType                int or_var                int
StringArgType                  string (parsed w/ "")     string
PreIdentArgType                string (parsed w/o "")    (vernac only)
IdentArgType true              identifier                identifier
IdentArgType false             identifier (pattern_ident) identifier
IntroPatternArgType            intro_pattern_expr        intro_pattern_expr
VarArgType                     identifier located        identifier
RefArgType                     reference                 global_reference
QuantHypArgType                quantified_hypothesis     quantified_hypothesis
ConstrArgType                  constr_expr               constr
ConstrMayEvalArgType           constr_expr may_eval      constr
OpenConstrArgType              open_constr_expr          open_constr
ConstrWithBindingsArgType      constr_expr with_bindings constr with_bindings
BindingsArgType                constr_expr bindings      constr bindings
List0ArgType of argument_type
List1ArgType of argument_type
OptArgType of argument_type
ExtraArgType of string         '_a                      '_b
{% \end{%}verbatim{% }%}
*)

(** All of [rlevel], [glevel] and [tlevel] must be non convertible
   to ensure the injectivity of the type inference from type
   ['co generic_argument] to [('a,'co) abstract_argument_type];
   this guarantees that, for 'co fixed, the type of
   out_gen is monomorphic over 'a, hence type-safe
*)

type rlevel
type glevel
type tlevel

type ('a,'co) abstract_argument_type

val rawwit_bool : (bool,rlevel) abstract_argument_type
val globwit_bool : (bool,glevel) abstract_argument_type
val wit_bool : (bool,tlevel) abstract_argument_type

val rawwit_int : (int,rlevel) abstract_argument_type
val globwit_int : (int,glevel) abstract_argument_type
val wit_int : (int,tlevel) abstract_argument_type

val rawwit_int_or_var : (int or_var,rlevel) abstract_argument_type
val globwit_int_or_var : (int or_var,glevel) abstract_argument_type
val wit_int_or_var : (int or_var,tlevel) abstract_argument_type

val rawwit_string : (string,rlevel) abstract_argument_type
val globwit_string : (string,glevel) abstract_argument_type

val wit_string : (string,tlevel) abstract_argument_type

val rawwit_pre_ident : (string,rlevel) abstract_argument_type
val globwit_pre_ident : (string,glevel) abstract_argument_type
val wit_pre_ident : (string,tlevel) abstract_argument_type

val rawwit_intro_pattern : (intro_pattern_expr located,rlevel) abstract_argument_type
val globwit_intro_pattern : (intro_pattern_expr located,glevel) abstract_argument_type
val wit_intro_pattern : (intro_pattern_expr located,tlevel) abstract_argument_type

val rawwit_ident : (identifier,rlevel) abstract_argument_type
val globwit_ident : (identifier,glevel) abstract_argument_type
val wit_ident : (identifier,tlevel) abstract_argument_type

val rawwit_pattern_ident : (identifier,rlevel) abstract_argument_type
val globwit_pattern_ident : (identifier,glevel) abstract_argument_type
val wit_pattern_ident : (identifier,tlevel) abstract_argument_type

val rawwit_ident_gen : bool -> (identifier,rlevel) abstract_argument_type
val globwit_ident_gen : bool -> (identifier,glevel) abstract_argument_type
val wit_ident_gen : bool -> (identifier,tlevel) abstract_argument_type

val rawwit_var : (identifier located,rlevel) abstract_argument_type
val globwit_var : (identifier located,glevel) abstract_argument_type
val wit_var : (identifier,tlevel) abstract_argument_type

val rawwit_ref : (reference,rlevel) abstract_argument_type
val globwit_ref : (global_reference located or_var,glevel) abstract_argument_type
val wit_ref : (global_reference,tlevel) abstract_argument_type

val rawwit_quant_hyp : (quantified_hypothesis,rlevel) abstract_argument_type
val globwit_quant_hyp : (quantified_hypothesis,glevel) abstract_argument_type
val wit_quant_hyp : (quantified_hypothesis,tlevel) abstract_argument_type

val rawwit_sort : (glob_sort,rlevel) abstract_argument_type
val globwit_sort : (glob_sort,glevel) abstract_argument_type
val wit_sort : (sorts,tlevel) abstract_argument_type

val rawwit_constr : (constr_expr,rlevel) abstract_argument_type
val globwit_constr : (glob_constr_and_expr,glevel) abstract_argument_type
val wit_constr : (constr,tlevel) abstract_argument_type

val rawwit_constr_may_eval : ((constr_expr,reference or_by_notation,constr_expr) may_eval,rlevel) abstract_argument_type
val globwit_constr_may_eval : ((glob_constr_and_expr,evaluable_global_reference and_short_name or_var,glob_constr_pattern_and_expr) may_eval,glevel) abstract_argument_type
val wit_constr_may_eval : (constr,tlevel) abstract_argument_type

val rawwit_open_constr_gen : bool -> (open_constr_expr,rlevel) abstract_argument_type
val globwit_open_constr_gen : bool -> (open_glob_constr,glevel) abstract_argument_type
val wit_open_constr_gen : bool -> (open_constr,tlevel) abstract_argument_type

val rawwit_open_constr : (open_constr_expr,rlevel) abstract_argument_type
val globwit_open_constr : (open_glob_constr,glevel) abstract_argument_type
val wit_open_constr : (open_constr,tlevel) abstract_argument_type

val rawwit_casted_open_constr : (open_constr_expr,rlevel) abstract_argument_type
val globwit_casted_open_constr : (open_glob_constr,glevel) abstract_argument_type
val wit_casted_open_constr : (open_constr,tlevel) abstract_argument_type

val rawwit_constr_with_bindings : (constr_expr with_bindings,rlevel) abstract_argument_type
val globwit_constr_with_bindings : (glob_constr_and_expr with_bindings,glevel) abstract_argument_type
val wit_constr_with_bindings : (constr with_bindings sigma,tlevel) abstract_argument_type

val rawwit_bindings : (constr_expr bindings,rlevel) abstract_argument_type
val globwit_bindings : (glob_constr_and_expr bindings,glevel) abstract_argument_type
val wit_bindings : (constr bindings sigma,tlevel) abstract_argument_type

val rawwit_red_expr : ((constr_expr,reference or_by_notation,constr_expr) red_expr_gen,rlevel) abstract_argument_type
val globwit_red_expr : ((glob_constr_and_expr,evaluable_global_reference and_short_name or_var,glob_constr_pattern_and_expr) red_expr_gen,glevel) abstract_argument_type
val wit_red_expr : ((constr,evaluable_global_reference,constr_pattern) red_expr_gen,tlevel) abstract_argument_type

val wit_list0 :
  ('a,'co) abstract_argument_type -> ('a list,'co) abstract_argument_type

val wit_list1 :
  ('a,'co) abstract_argument_type -> ('a list,'co) abstract_argument_type

val wit_opt :
  ('a,'co) abstract_argument_type -> ('a option,'co) abstract_argument_type

val wit_pair :
  ('a,'co) abstract_argument_type ->
  ('b,'co) abstract_argument_type ->
      ('a * 'b,'co) abstract_argument_type

(** ['a generic_argument] = (Sigma t:type. t[[constr/'a]]) *)
type 'a generic_argument

val fold_list0 :
 ('a generic_argument -> 'c -> 'c) -> 'a generic_argument -> 'c -> 'c

val fold_list1 :
 ('a generic_argument -> 'c -> 'c) -> 'a generic_argument -> 'c -> 'c

val fold_opt :
 ('a generic_argument -> 'c) -> 'c -> 'a generic_argument -> 'c

val fold_pair :
 ('a generic_argument -> 'a generic_argument -> 'c) ->
      'a generic_argument -> 'c

(** [app_list0] fails if applied to an argument not of tag [List0 t]
    for some [t]; it's the responsability of the caller to ensure it *)

val app_list0 : ('a generic_argument -> 'b generic_argument) ->
'a generic_argument -> 'b generic_argument

val app_list1 : ('a generic_argument -> 'b generic_argument) ->
'a generic_argument -> 'b generic_argument

val app_opt : ('a generic_argument -> 'b generic_argument) ->
'a generic_argument -> 'b generic_argument

val app_pair :
  ('a generic_argument -> 'b generic_argument) ->
      ('a generic_argument -> 'b generic_argument)
   -> 'a generic_argument -> 'b generic_argument

(** create a new generic type of argument: force to associate
   unique ML types at each of the three levels *)
val create_arg : 'rawa option ->
    string ->
      ('a,tlevel) abstract_argument_type
      * ('globa,glevel) abstract_argument_type
      * ('rawa,rlevel) abstract_argument_type

val exists_argtype : string -> bool

type argument_type =
  (** Basic types *)
  | BoolArgType
  | IntArgType
  | IntOrVarArgType
  | StringArgType
  | PreIdentArgType
  | IntroPatternArgType
  | IdentArgType of bool
  | VarArgType
  | RefArgType
  (** Specific types *)
  | SortArgType
  | ConstrArgType
  | ConstrMayEvalArgType
  | QuantHypArgType
  | OpenConstrArgType of bool
  | ConstrWithBindingsArgType
  | BindingsArgType
  | RedExprArgType
  | List0ArgType of argument_type
  | List1ArgType of argument_type
  | OptArgType of argument_type
  | PairArgType of argument_type * argument_type
  | ExtraArgType of string

val genarg_tag : 'a generic_argument -> argument_type

val unquote : ('a,'co) abstract_argument_type -> argument_type

val in_gen :
  ('a,'co) abstract_argument_type -> 'a -> 'co generic_argument
val out_gen :
  ('a,'co) abstract_argument_type -> 'co generic_argument -> 'a

(** [in_generic] is used in combination with camlp4 [Gramext.action] magic

   [in_generic: !l:type, !a:argument_type -> |a|_l -> 'l generic_argument]

   where |a|_l is the interpretation of a at level l

   [in_generic] is not typable; we replace the second argument by an absurd
   type (with no introduction rule)
*)
type an_arg_of_this_type

val in_generic :
  argument_type -> an_arg_of_this_type -> 'co generic_argument

val default_empty_value : ('a,rlevel) abstract_argument_type -> 'a option