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-- Ortho debug hashed identifiers implementation.
-- Copyright (C) 2005 Tristan Gingold
--
-- GHDL 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, or (at your option) any later
-- version.
--
-- GHDL 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 GCC; see the file COPYING. If not, write to the Free
-- Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-- 02111-1307, USA.
package Ortho_Ident_Hash is
type O_Ident is private;
O_Ident_Nul : constant O_Ident;
function Get_Identifier (Str : String) return O_Ident;
function Get_String (Id : O_Ident) return String;
function Is_Equal (L, R : O_Ident) return Boolean renames "=";
function Is_Equal (Id : O_Ident; Str : String) return Boolean;
function Is_Nul (Id : O_Ident) return Boolean;
private
type Hash_Type is mod 2**32;
type String_Acc is access constant String;
-- Symbol table.
type Ident_Type;
type O_Ident is access Ident_Type;
type Ident_type is record
-- The hash for the symbol.
Hash : Hash_Type;
-- Identification of the symbol.
Ident : String_Acc;
-- Next symbol with the same collision.
Next : O_Ident;
end record;
O_Ident_Nul : constant O_Ident := null;
end Ortho_Ident_Hash;
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