--  LLVM back-end for ortho.
--  Copyright (C) 2014 Tristan Gingold
--
--  This program is free software: you can redistribute it and/or modify
--  it under the terms of the GNU General Public License as published by
--  the Free Software Foundation, either version 2 of the License, or
--  (at your option) any 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 General Public License for more details.
--
--  You should have received a copy of the GNU General Public License
--  along with this program.  If not, see <gnu.org/licenses>.
with System;

package Ortho_Ident is
   type O_Ident is private;

   function Get_Identifier (Str : String) return O_Ident;
   function Is_Equal (L, R : O_Ident) return Boolean;
   function Is_Equal (Id : O_Ident; Str : String) return Boolean;
   function Is_Nul (Id : O_Ident) return Boolean;
   function Get_String (Id : O_Ident) return String;
   function Get_String_Length (Id : O_Ident) return Natural;

   --  Note: the address is always valid.
   function Get_Cstring (Id : O_Ident) return System.Address;

   O_Ident_Nul : constant O_Ident;

private
   type O_Ident is record
      Addr : System.Address;
   end record;
   pragma Convention (C_Pass_By_Copy, O_Ident);

   O_Ident_Nul : constant O_Ident := (Addr => System.Null_Address);

   pragma Inline (Get_Cstring);
end Ortho_Ident;