js_of_lam_record.ml

(* Copyright (C) 2015-2016 Bloomberg Finance L.P.
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * In addition to the permissions granted to you by the LGPL, you may combine
 * or link a "work that uses the Library" with a publicly distributed version
 * of this file to produce a combined library or application, then distribute
 * that combined work under the terms of your choosing, with no requirement
 * to comply with the obligations normally placed on you by section 4 of the
 * LGPL version 3 (or the corresponding section of a later version of the LGPL
 * should you choose to use a later version).
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *)








module E = Js_exp_make 

let empty_record_info = Lambda.Blk_record [||] (* careful to share*)


(* TODO: add label to the comment *)
(* let make  mutable_flag (args : (string * J.expression) list) = *)
(*   E.make_block ~comment:"record"  *)
(*     E.zero_int_literal empty_record_info (List.map snd args) mutable_flag *)



let field field_info  e i =
  match field_info with 
  | Lambda.Fld_na -> 
    E.index e i 
  | Lambda.Fld_record s 
  | Lambda.Fld_module s 
    -> E.index ~comment:s e i

(**
   used in [Pduprecord]
   this is due to we encode record as an array, it is going to change
   if we have another encoding       
*)    
let copy  = E.array_copy