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/*
   +----------------------------------------------------------------------+
   | PHP Version 5                                                        |
   +----------------------------------------------------------------------+
   | Copyright (c) 1997-2003 The PHP Group                                |
   +----------------------------------------------------------------------+
   | This source file is subject to version 3.0 of the PHP license,       |
   | that is bundled with this package in the file LICENSE, and is        |
   | available through the world-wide-web at the following url:           |
   | http://www.php.net/license/3_0.txt.                                  |
   | If you did not receive a copy of the PHP license and are unable to   |
   | obtain it through the world-wide-web, please send a note to          |
   | license@php.net so we can mail you a copy immediately.               |
   +----------------------------------------------------------------------+
   | Authors: Marcus Boerger <helly@php.net>                              |
   +----------------------------------------------------------------------+
 */

#ifndef SPL_ENGINE_H
#define SPL_ENGINE_H

#include "php.h"
#include "php_spl.h"

#include "zend_compile.h"

#undef EX
#define EX(element) execute_data->element
#define EX_T(offset) (*(temp_variable *)((char *) EX(Ts) + offset))
#define T(offset) (*(temp_variable *)((char *) Ts + offset))

#define NEXT_OPCODE()		\
	EX(opline)++;			\
	return 0;

zval * spl_call_method(zval **object_pp, zend_class_entry *obj_ce, zend_function **fn_proxy, char *function_name, int function_name_len, zval **retval_ptr, int param_count, zval* arg1, zval* arg2 TSRMLS_DC);

/* {{{ zend_class_entry */
static inline zend_class_entry *spl_get_class_entry(zval *obj TSRMLS_DC)
{
	if (obj && Z_TYPE_P(obj) == IS_OBJECT && Z_OBJ_HT_P(obj)->get_class_entry) {
		return Z_OBJ_HT_P(obj)->get_class_entry(obj TSRMLS_CC);
	} else {
		return NULL;
	}
}
/* }}} */

#define spl_call_method_0(obj, obj_ce, fn_proxy, function_name, fname_len, retval) \
	spl_call_method(obj, obj_ce, fn_proxy, function_name, fname_len, retval, 0, NULL, NULL TSRMLS_CC)

#define spl_call_method_1(obj, obj_ce, fn_proxy, function_name, fname_len, retval, arg1) \
	spl_call_method(obj, obj_ce, fn_proxy, function_name, fname_len, retval, 1, arg1, NULL TSRMLS_CC)

#define spl_call_method_2(obj, obj_ce, fn_proxy, function_name, fname_len, retval, arg1, arg2) \
	spl_call_method(obj, obj_ce, fn_proxy, function_name, fname_len, retval, 2, arg1, arg2 TSRMLS_CC)

void spl_instanciate(zend_class_entry *pce, zval **object TSRMLS_DC);
int spl_instanciate_arg_ex2(zend_class_entry *pce, zval **retval, zval *arg1, zval *arg2 TSRMLS_DC);

zval ** spl_get_zval_ptr_ptr(znode *node, temp_variable *Ts TSRMLS_DC);
void spl_unlock_zval_ptr_ptr(znode *node, temp_variable *Ts TSRMLS_DC);
zval * spl_get_zval_ptr(znode *node, temp_variable *Ts, zval **should_free TSRMLS_DC);

int spl_is_instance_of(zval **obj, zend_class_entry *ce TSRMLS_DC);

typedef enum {
	SPL_IS_A_ITERATOR        = 0x01,
	SPL_IS_A_FORWARD         = 0x02,
	SPL_IS_A_ASSOC           = 0x04,
	SPL_IS_A_SEQUENCE        = 0x08,
	SPL_IS_A_ARRAY_READ      = 0x10,
	SPL_IS_A_ARRAY_ACCESS    = 0x20
} spl_is_a;

spl_is_a spl_implements(zend_class_entry *ce);

/* Use this only insode OPCODE-Hooks */
static inline void spl_pzval_unlock_func(zval *z TSRMLS_DC)
{
	z->refcount--;
	if (!z->refcount) {
		z->refcount = 1;
		z->is_ref = 0;
		EG(garbage)[EG(garbage_ptr)++] = z;
	}
}

/* Use this only insode OPCODE-Hooks */
static inline void spl_pzval_lock_func(zval *z)
{
	z->refcount++;
}

/* Use this only insode OPCODE-Hooks */
#define SELECTIVE_PZVAL_LOCK(pzv, pzn)		if (!((pzn)->u.EA.type & EXT_TYPE_UNUSED)) { spl_pzval_lock_func(pzv); }

#endif /* SPL_ENGINE_H */

/*
 * Local Variables:
 * c-basic-offset: 4
 * tab-width: 4
 * End:
 * vim600: fdm=marker
 * vim: noet sw=4 ts=4
 */