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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 Names
open Term
open Globnames
(** Operations concerning records and canonical structures *)
(** {6 Records } *)
(** A structure S is a non recursive inductive type with a single
constructor (the name of which defaults to Build_S) *)
type struc_typ = {
s_CONST : constructor;
s_EXPECTEDPARAM : int;
s_PROJKIND : (Name.t * bool) list;
s_PROJ : constant option list }
type struc_tuple =
inductive * constructor * (Name.t * bool) list * constant option list
val declare_structure : struc_tuple -> unit
(** [lookup_structure isp] returns the struc_typ associated to the
inductive path [isp] if it corresponds to a structure, otherwise
it fails with [Not_found] *)
val lookup_structure : inductive -> struc_typ
(** [lookup_projections isp] returns the projections associated to the
inductive path [isp] if it corresponds to a structure, otherwise
it fails with [Not_found] *)
val lookup_projections : inductive -> constant option list
(** raise [Not_found] if not a projection *)
val find_projection_nparams : global_reference -> int
(** raise [Not_found] if not a projection *)
val find_projection : global_reference -> struc_typ
(** {6 Canonical structures } *)
(** A canonical structure declares "canonical" conversion hints between
the effective components of a structure and the projections of the
structure *)
(** A cs_pattern characterizes the form of a component of canonical structure *)
type cs_pattern =
Const_cs of global_reference
| Prod_cs
| Sort_cs of sorts_family
| Default_cs
type obj_typ = {
o_DEF : constr;
o_CTX : Univ.ContextSet.t;
o_INJ : int option; (** position of trivial argument *)
o_TABS : constr list; (** ordered *)
o_TPARAMS : constr list; (** ordered *)
o_NPARAMS : int;
o_TCOMPS : constr list } (** ordered *)
(** Return the form of the component of a canonical structure *)
val cs_pattern_of_constr : constr -> cs_pattern * int option * constr list
val pr_cs_pattern : cs_pattern -> Pp.std_ppcmds
val lookup_canonical_conversion : (global_reference * cs_pattern) -> constr * obj_typ
val declare_canonical_structure : global_reference -> unit
val is_open_canonical_projection :
Environ.env -> Evd.evar_map -> (constr * constr Reductionops.Stack.t) -> bool
val canonical_projections : unit ->
((global_reference * cs_pattern) * obj_typ) list
|
