/* Declarations for C++ name lookup routines.
   Copyright (C) 2003-2018 Free Software Foundation, Inc.
   Contributed by Gabriel Dos Reis <gdr@integrable-solutions.net>

This file is part of GCC.

GCC 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 3, or (at your option)
any later version.

GCC 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 COPYING3.  If not see
<http://www.gnu.org/licenses/>.  */

#ifndef GCC_CP_NAME_LOOKUP_H
#define GCC_CP_NAME_LOOKUP_H

#include "c-family/c-common.h"

/* The type of dictionary used to map names to types declared at
   a given scope.  */
typedef struct binding_table_s *binding_table;
typedef struct binding_entry_s *binding_entry;

/* The type of a routine repeatedly called by binding_table_foreach.  */
typedef void (*bt_foreach_proc) (binding_entry, void *);

struct GTY(()) binding_entry_s {
  binding_entry chain;
  tree name;
  tree type;
};

/* These macros indicate the initial chains count for binding_table.  */
#define SCOPE_DEFAULT_HT_SIZE		(1 << 3)
#define CLASS_SCOPE_HT_SIZE		(1 << 3)
#define NAMESPACE_ORDINARY_HT_SIZE	(1 << 5)
#define NAMESPACE_STD_HT_SIZE		(1 << 8)
#define GLOBAL_SCOPE_HT_SIZE		(1 << 8)

extern void binding_table_foreach (binding_table, bt_foreach_proc, void *);
extern binding_entry binding_table_find (binding_table, tree);