ppx_entry.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. *)

let unsafe_mapper = Bs_builtin_ppx.mapper

let rewrite_signature (ast : Parsetree.signature) : Parsetree.signature =
  Bs_ast_invariant.iter_warnings_on_sigi ast;
  Ast_config.iter_on_bs_config_sigi ast;
  let ast =
    match !Js_config.jsx_version with
    | None -> ast
    | Some jsxVersion ->
        let open Js_config in
        let jsxVersion = int_of_jsx_version jsxVersion in
        let jsxModule = string_of_jsx_module !jsx_module in
        let jsxMode = string_of_jsx_mode !jsx_mode in
        Reactjs_jsx_ppx.rewrite_signature ~jsxVersion ~jsxModule ~jsxMode ast
  in
  if !Js_config.no_builtin_ppx then ast
  else
    let result = unsafe_mapper.signature unsafe_mapper ast in
    (* Keep this check, since the check is not inexpensive*)
    Bs_ast_invariant.emit_external_warnings_on_signature result;
    result

let rewrite_implementation (ast : Parsetree.structure) : Parsetree.structure =
  Bs_ast_invariant.iter_warnings_on_stru ast;
  Ast_config.iter_on_bs_config_stru ast;
  let ast =
    match !Js_config.jsx_version with
    | None -> ast
    | Some jsxVersion ->
        let open Js_config in
        let jsxVersion = int_of_jsx_version jsxVersion in
        let jsxModule = string_of_jsx_module !jsx_module in
        let jsxMode = string_of_jsx_mode !jsx_mode in
        Reactjs_jsx_ppx.rewrite_implementation ~jsxVersion ~jsxModule ~jsxMode
          ast
  in
  if !Js_config.no_builtin_ppx then ast
  else
    let result = unsafe_mapper.structure unsafe_mapper ast in
    (* Keep this check since it is not inexpensive*)
    Bs_ast_invariant.emit_external_warnings_on_structure result;
    result