zend_variables.h

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/*
   +----------------------------------------------------------------------+
   | Zend Engine                                                          |
   +----------------------------------------------------------------------+
   | Copyright (c) Zend Technologies Ltd. (http://www.zend.com)           |
   +----------------------------------------------------------------------+
   | This source file is subject to version 2.00 of the Zend 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.zend.com/license/2_00.txt.                                |
   | If you did not receive a copy of the Zend license and are unable to  |
   | obtain it through the world-wide-web, please send a note to          |
   | license@zend.com so we can mail you a copy immediately.              |
   +----------------------------------------------------------------------+
   | Authors: Andi Gutmans <andi@php.net>                                 |
   |          Zeev Suraski <zeev@php.net>                                 |
   |          Dmitry Stogov <dmitry@php.net>                              |
   +----------------------------------------------------------------------+
*/
 
#ifndef ZEND_VARIABLES_H
#define ZEND_VARIABLES_H
 
#include "zend_types.h"
#include "zend_gc.h"
#include "zend_hash.h"
 
BEGIN_EXTERN_C()
 
ZEND_API void ZEND_FASTCALL rc_dtor_func(zend_refcounted *p);
ZEND_API void ZEND_FASTCALL zval_copy_ctor_func(zval *zvalue);
 
static zend_always_inline void zval_ptr_dtor_nogc(zval *zval_ptr)
{
    if (Z_REFCOUNTED_P(zval_ptr) && !Z_DELREF_P(zval_ptr)) {
        rc_dtor_func(Z_COUNTED_P(zval_ptr));
    }
}
 
static zend_always_inline void i_zval_ptr_dtor(zval *zval_ptr)
{
    if (Z_REFCOUNTED_P(zval_ptr)) {
        zend_refcounted *ref = Z_COUNTED_P(zval_ptr);
        if (!GC_DELREF(ref)) {
            rc_dtor_func(ref);
        } else {
            gc_check_possible_root(ref);
        }
    }
}
 
static zend_always_inline void zval_copy_ctor(zval *zvalue)
{
    if (Z_TYPE_P(zvalue) == IS_ARRAY) {
        ZVAL_ARR(zvalue, zend_array_dup(Z_ARR_P(zvalue)));
    } else if (Z_REFCOUNTED_P(zvalue)) {
        Z_ADDREF_P(zvalue);
    }
}
 
static zend_always_inline void zval_opt_copy_ctor(zval *zvalue)
{
    if (Z_OPT_TYPE_P(zvalue) == IS_ARRAY) {
        ZVAL_ARR(zvalue, zend_array_dup(Z_ARR_P(zvalue)));
    } else if (Z_OPT_REFCOUNTED_P(zvalue)) {
        Z_ADDREF_P(zvalue);
    }
}
 
static zend_always_inline void zval_ptr_dtor_str(zval *zval_ptr)
{
    if (Z_REFCOUNTED_P(zval_ptr) && !Z_DELREF_P(zval_ptr)) {
        ZEND_ASSERT(Z_TYPE_P(zval_ptr) == IS_STRING);
        ZEND_ASSERT(!ZSTR_IS_INTERNED(Z_STR_P(zval_ptr)));
        ZEND_ASSERT(!(GC_FLAGS(Z_STR_P(zval_ptr)) & IS_STR_PERSISTENT));
        efree(Z_STR_P(zval_ptr));
    }
}
 
ZEND_API void zval_ptr_dtor(zval *zval_ptr);
ZEND_API void zval_internal_ptr_dtor(zval *zvalue);
 
/* Kept for compatibility */
#define zval_dtor(zvalue) zval_ptr_dtor_nogc(zvalue)
 
ZEND_API void zval_add_ref(zval *p);
 
END_EXTERN_C()
 
#define ZVAL_PTR_DTOR zval_ptr_dtor
#define ZVAL_INTERNAL_PTR_DTOR zval_internal_ptr_dtor
 
#endif