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(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
open Term
open Environ
open Evd
(** This module provides the typing machine with existential variables
and universes. *)
(** Typecheck a term and return its type. May trigger an evarmap leak. *)
val unsafe_type_of : env -> evar_map -> constr -> types
(** Typecheck a term and return its type + updated evars, optionally refreshing
universes *)
val type_of : ?refresh:bool -> env -> evar_map -> constr -> evar_map * types
(** Variant of [type_of] using references instead of state-passing. *)
val e_type_of : ?refresh:bool -> env -> evar_map ref -> constr -> types
(** Typecheck a type and return its sort *)
val sort_of : env -> evar_map ref -> types -> sorts
(** Typecheck a term has a given type (assuming the type is OK) *)
val check : env -> evar_map ref -> constr -> types -> unit
(** Returns the instantiated type of a metavariable *)
val meta_type : evar_map -> metavariable -> types
(** Solve existential variables using typing *)
val solve_evars : env -> evar_map ref -> constr -> constr
(** Raise an error message if incorrect elimination for this inductive *)
(** (first constr is term to match, second is return predicate) *)
val check_allowed_sort : env -> evar_map -> pinductive -> constr -> constr ->
unit
|
