generic_stack.h

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/* TinyaML
 * Copyright (C) 2007 Damien Leroux
 *
 * 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

#ifndef __BML_STACK_H__
#define __BML_STACK_H__

#include "vm_types.h"

generic_stack_t new_gstack(word_t token_size);
void gstack_init(generic_stack_t, word_t token_size);
void gstack_deinit(generic_stack_t, void (*callback)(void*));

void gpush(generic_stack_t s, void* w);

void* _gpop(generic_stack_t s);
#define gpop(__t,__s) ((__t)_gpop(__s))

void* _gpeek(generic_stack_t s,int);
#define gpeek(__t,__s,__i) ((__t)_gpeek(__s,__i))

void free_gstack(generic_stack_t s);

word_t gstack_size(generic_stack_t s);

void gstack_grow(generic_stack_t s, word_t count);
void gstack_shrink(generic_stack_t s, word_t count);

#define gstack_is_empty(_s) (_s->sp==((word_t)-1))

#define gstack_is_not_empty(_s) (_s->sp!=((word_t)-1))

#endif

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