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(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2015 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
(*i*)
open Names
open Term
open Context
open Environ
open Constrexpr
open Globnames
(*i*)
type contexts = Parameters | Properties
type typeclass_error =
| NotAClass of constr
| UnboundMethod of global_reference * Id.t Loc.located (* Class name, method *)
| MismatchedContextInstance of contexts * constr_expr list * rel_context (* 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))
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