blob: e10c81c24ae5c1fea1738648fb756aa671d9158b (
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
|
(************************************************************************)
(* * 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) *)
(************************************************************************)
(*i*)
open EConstr
open Environ
open Constrexpr
open Globnames
(*i*)
type contexts = Parameters | Properties
type typeclass_error =
| NotAClass of constr
| UnboundMethod of global_reference * Misctypes.lident (* Class name, method *)
| MismatchedContextInstance of contexts * constr_expr list * Context.Rel.t (* found, expected *)
exception TypeClassError of env * typeclass_error
let typeclass_error env err = raise (TypeClassError (env, err))
let not_a_class env c = typeclass_error env (NotAClass c)
let unbound_method env cid id = typeclass_error env (UnboundMethod (cid, id))
let mismatched_ctx_inst env c n m = typeclass_error env (MismatchedContextInstance (c, n, m))
|
