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|
(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2011 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
(*i $Id: recordops.mli 14641 2011-11-06 11:59:10Z herbelin $ i*)
(*i*)
open Names
open Nametab
open Term
open Libnames
open Libobject
open Library
(*i*)
(*s 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 * bool) list;
s_PROJ : constant option list }
val declare_structure :
inductive * constructor * (name * bool) list * constant option list -> 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
(* we keep an index (dnet) of record's arguments + fields
(=methods). Here is how to declare them: *)
val declare_method :
global_reference -> Evd.evar -> Evd.evar_map -> unit
(* and here is how to search for methods matched by a given term: *)
val methods_matching : constr ->
((global_reference*Evd.evar*Evd.evar_map) *
(constr*existential_key)*Termops.subst) list
(*s A canonical structure declares "canonical" conversion hints between *)
(* the effective components of a structure and the projections of the *)
(* 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_INJ : int; (* position of trivial argument *)
o_TABS : constr list; (* ordered *)
o_TPARAMS : constr list; (* ordered *)
o_NPARAMS : int;
o_TCOMPS : constr list } (* ordered *)
val cs_pattern_of_constr : constr -> cs_pattern * int * constr list
val pr_cs_pattern : cs_pattern -> Pp.std_ppcmds
val lookup_canonical_conversion : (global_reference * cs_pattern) -> obj_typ
val declare_canonical_structure : global_reference -> unit
val is_open_canonical_projection :
Evd.evar_map -> (constr * constr list) -> bool
val canonical_projections : unit ->
((global_reference * cs_pattern) * obj_typ) list
|
