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/*
* %CopyrightBegin%
*
* Copyright Ericsson AB 1996-2009. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
* compliance with the License. You should have received a copy of the
* Erlang Public License along with this software. If not, it can be
* retrieved online at http://www.erlang.org/.
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* %CopyrightEnd%
*/
#ifndef _ERL_ETERM_H
#define _ERL_ETERM_H
#ifndef SILENT
#include <stdio.h>
#endif
#include "portability.h"
#define ERL_MAX_COUNT 0xffffff
#define ERL_MAX ((1 << 27)-1)
#define ERL_MIN -(1 << 27)
/* FIXME should this be documented and in erl_interface.h ??? */
#define ERL_BIG_ARITY(x) ((x)->uval.bigval.arity)
#define ERL_BIG_IS_NEG(x) ((x)->uval.bigval.is_neg)
#define ERL_BIG_DIGITS(x) ((x)->uval.bigval.digits)
#define ERL_BIG_DIGIT(x,i) (ERL_BIG_DIGITS(x)[(i)])
/*
* Typing checking macros.
*/
/* FIXME should this be documented and in erl_interface.h ??? */
#define ERL_IS_DEFINED(x) (ERL_TYPE(x) != 0)
#define ERL_IS_COMPOUND(x) (ERL_TYPE(x) & ERL_COMPOUND)
#define ERL_IS_FUNCTION(x) (ERL_TYPE(x) == ERL_FUNCTION)
#define ERL_IS_BIG(x) (ERL_TYPE(x) == ERL_BIG)
typedef struct _heapmark {
unsigned long mark; /* id */
int size; /* size of buffer */
Erl_Heap *base; /* points to start of buffer */
Erl_Heap *cur; /* points into buffer */
struct _heapmark *prev; /* previous heapmark */
} Erl_HeapMark;
void erl_mk_port_helper(ETERM* ep, unsigned number, unsigned char creation);
void erl_mk_pid_helper(ETERM*, unsigned,unsigned, unsigned char);
ETERM * __erl_mk_reference(ETERM*, const char *, size_t, unsigned int n[], unsigned char);
int erl_current_fix_desc(void);
#endif /* _ERL_ETERM_H */
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