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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* hgstack.h
* Copyright (C) 2005-2011 Akira TAGOH
*
* Authors:
* Akira TAGOH <akira@tagoh.org>
*
* This library 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 2 of the License, or (at your option) any later version.
*
* This library 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 library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#if !defined (__HG_H_INSIDE__) && !defined (HG_COMPILATION)
#error "Only <hieroglyph/hg.h> can be included directly."
#endif
#ifndef __HIEROGLYPH_HGSTACK_H__
#define __HIEROGLYPH_HGSTACK_H__
#include <hieroglyph/hgobject.h>
HG_BEGIN_DECLS
#define HG_STACK_INIT \
(hg_object_register(HG_TYPE_STACK, \
hg_object_stack_get_vtable()))
typedef hg_cb_BOOL__QUARK_t hg_stack_traverse_func_t;
typedef struct _hg_stack_spool_t hg_stack_spool_t;
typedef struct _hg_stack_t hg_stack_t;
hg_object_vtable_t *hg_object_stack_get_vtable(void) HG_GNUC_CONST;
hg_stack_spool_t *hg_stack_spooler_new (hg_mem_t *mem);
void hg_stack_spooler_destroy (hg_stack_spool_t *spool);
hg_stack_t *hg_stack_new (hg_mem_t *mem,
hg_usize_t max_depth,
hg_vm_t *vm);
void hg_stack_free (hg_stack_t *stack);
void hg_stack_set_spooler (hg_stack_t *stack,
hg_stack_spool_t *spool);
void hg_stack_set_validation (hg_stack_t *stack,
hg_bool_t flag);
hg_usize_t hg_stack_depth (hg_stack_t *stack);
hg_bool_t hg_stack_set_max_depth (hg_stack_t *stack,
hg_usize_t depth);
hg_bool_t hg_stack_push (hg_stack_t *stack,
hg_quark_t quark);
hg_quark_t hg_stack_pop (hg_stack_t *stack);
void hg_stack_drop (hg_stack_t *stack);
void hg_stack_clear (hg_stack_t *stack);
hg_quark_t hg_stack_index (hg_stack_t *stack,
hg_usize_t index);
hg_quark_t *hg_stack_peek (hg_stack_t *stack,
hg_usize_t index);
void hg_stack_exch (hg_stack_t *stack);
void hg_stack_roll (hg_stack_t *stack,
hg_usize_t n_blocks,
hg_size_t n_times);
void hg_stack_foreach (hg_stack_t *stack,
hg_stack_traverse_func_t func,
hg_pointer_t data,
hg_bool_t is_forwarded);
HG_END_DECLS
#endif /* __HIEROGLYPH_HGSTACK_H__ */
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