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|
(* $Id$ *)
open Util
open Pp
open Names
open Term
open Instantiate
open Lib
open Declare
open Recordops
open Classops
(***** object definition ******)
let typ_lams_of t =
let rec aux acc c = match kind_of_term c with
| IsLambda (x,c1,c2) -> aux (c1::acc) c2
| IsCast (c,_) -> aux acc c
| t -> acc,t
in aux [] t
let objdef_err ref =
errorlabstrm "object_declare"
[< Printer.pr_global ref; 'sTR" is not a structure object" >]
let trait t =
match kind_of_term t with
| IsApp (f,args) ->
if (match kind_of_term f with
| IsConst _ | IsMutInd _ | IsVar _ | IsMutConstruct _ -> true
| _ -> false)
then (f,Array.to_list args)
else raise Not_found
| IsConst _ | IsMutInd _ | IsVar _ | IsMutConstruct _ -> t,[]
| _ -> raise Not_found
let objdef_declare ref =
let sp = match ref with ConstRef sp -> sp | _ -> objdef_err ref in
let env = Global.env () in
let v = constr_of_reference Evd.empty env ref in
let vc =
match kind_of_term v with
| IsConst (sp,l as cst) ->
(match constant_opt_value env cst with
| Some vc -> vc
| None -> objdef_err ref)
| _ -> objdef_err ref in
let lt,t = decompose_lam vc in
let lt = List.rev (List.map snd lt) in
match kind_of_term t with
| IsApp (f,args) ->
let { s_PARAM = p; s_PROJ = lpj } =
(try (find_structure
(match kind_of_term f with
| IsMutConstruct ((indsp,1),_) -> indsp
| _ -> objdef_err ref))
with _ -> objdef_err ref) in
let params, projs =
try list_chop p (Array.to_list args)
with _ -> objdef_err ref in
let lps =
try List.combine lpj projs
with _ -> objdef_err ref in
let comp =
List.fold_left
(fun l (spopt,t) -> (* comp=components *)
match spopt with
| None -> l
| Some sp ->
try (sp, trait t)::l
with Not_found -> l)
[] lps in
add_anonymous_leaf (inObjDef1 sp);
List.iter
(fun (spi,(ci,l_ui)) ->
add_new_objdef
((ConstRef spi,cte_of_constr ci),v,lt,params,l_ui)) comp
| _ -> objdef_err ref
|
