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|
(************************************************************************)
(* 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 Term
open Context
open Environ
val left2right : bool ref
(***********************************************************************
s Reduction functions *)
val whd_betaiotazeta : env -> constr -> constr
val whd_betadeltaiota : env -> constr -> constr
val whd_betadeltaiota_nolet : env -> constr -> constr
val whd_betaiota : env -> constr -> constr
val nf_betaiota : env -> constr -> constr
(***********************************************************************
s conversion functions *)
exception NotConvertible
exception NotConvertibleVect of int
type 'a conversion_function = env -> 'a -> 'a -> unit
type 'a trans_conversion_function = Names.transparent_state -> 'a conversion_function
type 'a universe_conversion_function = env -> Univ.universes -> 'a -> 'a -> unit
type 'a trans_universe_conversion_function =
Names.transparent_state -> 'a universe_conversion_function
type conv_pb = CONV | CUMUL
type 'a universe_compare =
{ (* Might raise NotConvertible *)
compare : conv_pb -> sorts -> sorts -> 'a -> 'a;
compare_instances: bool (* Instance of a flexible constant? *) ->
Univ.Instance.t -> Univ.Instance.t -> 'a -> 'a;
}
type 'a universe_state = 'a * 'a universe_compare
type ('a,'b) generic_conversion_function = env -> 'b universe_state -> 'a -> 'a -> 'b
type 'a infer_conversion_function = env -> Univ.universes -> 'a -> 'a -> Univ.constraints
val check_sort_cmp_universes :
conv_pb -> sorts -> sorts -> Univ.universes -> unit
(* val sort_cmp : *)
(* conv_pb -> sorts -> sorts -> Univ.constraints -> Univ.constraints *)
(* val conv_sort : sorts conversion_function *)
(* val conv_sort_leq : sorts conversion_function *)
val trans_conv_cmp : ?l2r:bool -> conv_pb -> constr trans_conversion_function
val trans_conv :
?l2r:bool -> ?evars:(existential->constr option) -> constr trans_conversion_function
val trans_conv_leq :
?l2r:bool -> ?evars:(existential->constr option) -> types trans_conversion_function
val trans_conv_universes :
?l2r:bool -> ?evars:(existential->constr option) -> constr trans_universe_conversion_function
val trans_conv_leq_universes :
?l2r:bool -> ?evars:(existential->constr option) -> types trans_universe_conversion_function
val conv_cmp : ?l2r:bool -> conv_pb -> constr conversion_function
val conv :
?l2r:bool -> ?evars:(existential->constr option) -> constr conversion_function
val conv_leq :
?l2r:bool -> ?evars:(existential->constr option) -> types conversion_function
val conv_leq_vecti :
?l2r:bool -> ?evars:(existential->constr option) -> types array conversion_function
val infer_conv : ?l2r:bool -> ?evars:(existential->constr option) ->
?ts:Names.transparent_state -> constr infer_conversion_function
val infer_conv_leq : ?l2r:bool -> ?evars:(existential->constr option) ->
?ts:Names.transparent_state -> types infer_conversion_function
val generic_conv : conv_pb -> bool -> (existential->constr option) ->
Names.transparent_state -> (constr,'a) generic_conversion_function
(** option for conversion *)
val set_vm_conv : (conv_pb -> types conversion_function) -> unit
val vm_conv : conv_pb -> types conversion_function
val set_nat_conv :
(conv_pb -> Nativelambda.evars -> types conversion_function) -> unit
val native_conv : conv_pb -> Nativelambda.evars -> types conversion_function
val set_default_conv : (conv_pb -> ?l2r:bool -> types conversion_function) -> unit
val default_conv : conv_pb -> ?l2r:bool -> types conversion_function
val default_conv_leq : ?l2r:bool -> types conversion_function
(************************************************************************)
(** Builds an application node, reducing beta redexes it may produce. *)
val beta_appvect : constr -> constr array -> constr
(** Builds an application node, reducing the [n] first beta-zeta redexes. *)
val betazeta_appvect : int -> constr -> constr array -> constr
(** Pseudo-reduction rule Prod(x,A,B) a --> B[x\a] *)
val hnf_prod_applist : env -> types -> constr list -> types
(***********************************************************************
s Recognizing products and arities modulo reduction *)
val dest_prod : env -> types -> rel_context * types
val dest_prod_assum : env -> types -> rel_context * types
val dest_lam_assum : env -> types -> rel_context * types
exception NotArity
val dest_arity : env -> types -> arity (* raises NotArity if not an arity *)
val is_arity : env -> types -> bool
|
