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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* hgstack.h
* Copyright (C) 2005-2006 Akira TAGOH
*
* Authors:
* Akira TAGOH <at@gclab.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.
*/
#ifndef __HG_STACK_H__
#define __HG_STACK_H__
#include <hieroglyph/hgtypes.h>
G_BEGIN_DECLS
HgStack *hg_stack_new (HgMemPool *pool,
guint max_depth);
guint hg_stack_depth(HgStack *stack);
gboolean hg_stack_push (HgStack *stack,
HgValueNode *node);
HgValueNode *hg_stack_pop (HgStack *stack);
void hg_stack_clear(HgStack *stack);
HgValueNode *hg_stack_index(HgStack *stack,
guint index_from_top);
void hg_stack_roll (HgStack *stack,
guint n_block,
gint32 n_times);
void hg_stack_dump (HgStack *stack,
HgFileObject *file);
/* internal use */
void _hg_stack_use_stack_validator(HgStack *stack,
gboolean flag);
gboolean _hg_stack_push (HgStack *stack,
HgValueNode *node);
G_END_DECLS
#endif /* __HG_STACK_H__ */
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