lam_compat.ml

(* Copyright (C) 2018 Hongbo Zhang, Authors of ReScript
 *
 * 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. *)

type comparison = Lambda.comparison = Ceq | Cneq | Clt | Cgt | Cle | Cge

let eq_comparison (p : comparison) (p1 : comparison) =
  match p with
  | Cge -> p1 = Cge
  | Cgt -> p1 = Cgt
  | Cle -> p1 = Cle
  | Clt -> p1 = Clt
  | Ceq -> p1 = Ceq
  | Cneq -> p1 = Cneq

let cmp_int32 (cmp : comparison) (a : int32) b : bool =
  match cmp with
  | Ceq -> a = b
  | Cneq -> a <> b
  | Cgt -> a > b
  | Cle -> a <= b
  | Clt -> a < b
  | Cge -> a >= b

let cmp_float (cmp : comparison) (a : float) b : bool =
  match cmp with
  | Ceq -> a = b
  | Cneq -> a <> b
  | Cgt -> a > b
  | Cle -> a <= b
  | Clt -> a < b
  | Cge -> a >= b

let cmp_int (cmp : comparison) (a : int) b : bool =
  match cmp with
  | Ceq -> a = b
  | Cneq -> a <> b
  | Cgt -> a > b
  | Cle -> a <= b
  | Clt -> a < b
  | Cge -> a >= b

type let_kind = Lambda.let_kind = Strict | Alias | StrictOpt | Variable

type field_dbg_info = Lambda.field_dbg_info =
  | Fld_record of {name: string; mutable_flag: Asttypes.mutable_flag}
  | Fld_module of {name: string}
  | Fld_record_inline of {name: string}
  | Fld_record_extension of {name: string}
  | Fld_tuple
  | Fld_poly_var_tag
  | Fld_poly_var_content
  | Fld_extension
  | Fld_variant
  | Fld_cons

let str_of_field_info (x : field_dbg_info) : string option =
  match x with
  | Fld_extension | Fld_variant | Fld_cons | Fld_poly_var_tag
  | Fld_poly_var_content | Fld_tuple ->
    None
  | Fld_record {name; _}
  | Fld_module {name; _}
  | Fld_record_inline {name}
  | Fld_record_extension {name} ->
    Some name

type set_field_dbg_info = Lambda.set_field_dbg_info =
  | Fld_record_set of string
  | Fld_record_inline_set of string
  | Fld_record_extension_set of string