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e219ec144e
RFC: https://wiki.php.net/rfc/typed_properties_v2 This is a squash of PR #3734, which is a squash of PR #3313. Co-authored-by: Bob Weinand <bobwei9@hotmail.com> Co-authored-by: Joe Watkins <krakjoe@php.net> Co-authored-by: Dmitry Stogov <dmitry@zend.com>
142 lines
4.7 KiB
C
142 lines
4.7 KiB
C
/*
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+----------------------------------------------------------------------+
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| Zend Engine |
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+----------------------------------------------------------------------+
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| Copyright (c) 1998-2018 Zend Technologies Ltd. (http://www.zend.com) |
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+----------------------------------------------------------------------+
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| This source file is subject to version 2.00 of the Zend license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.zend.com/license/2_00.txt. |
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| If you did not receive a copy of the Zend license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@zend.com so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Authors: Andi Gutmans <andi@php.net> |
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| Zeev Suraski <zeev@php.net> |
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| Dmitry Stogov <dmitry@php.net> |
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+----------------------------------------------------------------------+
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*/
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#include <stdio.h>
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#include "zend.h"
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#include "zend_API.h"
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#include "zend_ast.h"
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#include "zend_globals.h"
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#include "zend_constants.h"
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#include "zend_list.h"
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#if ZEND_DEBUG
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static void ZEND_FASTCALL zend_string_destroy(zend_string *str);
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#else
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# define zend_string_destroy _efree
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#endif
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static void ZEND_FASTCALL zend_reference_destroy(zend_reference *ref);
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static void ZEND_FASTCALL zend_empty_destroy(zend_reference *ref);
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typedef void (ZEND_FASTCALL *zend_rc_dtor_func_t)(zend_refcounted *p);
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static const zend_rc_dtor_func_t zend_rc_dtor_func[] = {
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/* IS_UNDEF */ (zend_rc_dtor_func_t)zend_empty_destroy,
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/* IS_NULL */ (zend_rc_dtor_func_t)zend_empty_destroy,
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/* IS_FALSE */ (zend_rc_dtor_func_t)zend_empty_destroy,
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/* IS_TRUE */ (zend_rc_dtor_func_t)zend_empty_destroy,
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/* IS_LONG */ (zend_rc_dtor_func_t)zend_empty_destroy,
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/* IS_DOUBLE */ (zend_rc_dtor_func_t)zend_empty_destroy,
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/* IS_STRING */ (zend_rc_dtor_func_t)zend_string_destroy,
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/* IS_ARRAY */ (zend_rc_dtor_func_t)zend_array_destroy,
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/* IS_OBJECT */ (zend_rc_dtor_func_t)zend_objects_store_del,
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/* IS_RESOURCE */ (zend_rc_dtor_func_t)zend_list_free,
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/* IS_REFERENCE */ (zend_rc_dtor_func_t)zend_reference_destroy,
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/* IS_CONSTANT_AST */ (zend_rc_dtor_func_t)zend_ast_ref_destroy
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};
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ZEND_API void ZEND_FASTCALL rc_dtor_func(zend_refcounted *p)
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{
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ZEND_ASSERT(GC_TYPE(p) <= IS_CONSTANT_AST);
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zend_rc_dtor_func[GC_TYPE(p)](p);
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}
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#if ZEND_DEBUG
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static void ZEND_FASTCALL zend_string_destroy(zend_string *str)
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{
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CHECK_ZVAL_STRING(str);
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ZEND_ASSERT(!ZSTR_IS_INTERNED(str));
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ZEND_ASSERT(GC_REFCOUNT(str) == 0);
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ZEND_ASSERT(!(GC_FLAGS(str) & IS_STR_PERSISTENT));
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efree(str);
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}
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#endif
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static void ZEND_FASTCALL zend_reference_destroy(zend_reference *ref)
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{
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ZEND_ASSERT(!ZEND_REF_HAS_TYPE_SOURCES(ref));
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i_zval_ptr_dtor(&ref->val);
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efree_size(ref, sizeof(zend_reference));
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}
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static void ZEND_FASTCALL zend_empty_destroy(zend_reference *ref)
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{
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}
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ZEND_API void zval_ptr_dtor(zval *zval_ptr) /* {{{ */
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{
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i_zval_ptr_dtor(zval_ptr);
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}
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/* }}} */
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ZEND_API void zval_internal_ptr_dtor(zval *zval_ptr) /* {{{ */
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{
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if (Z_REFCOUNTED_P(zval_ptr)) {
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zend_refcounted *ref = Z_COUNTED_P(zval_ptr);
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if (GC_DELREF(ref) == 0) {
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if (Z_TYPE_P(zval_ptr) == IS_STRING) {
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zend_string *str = (zend_string*)ref;
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CHECK_ZVAL_STRING(str);
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ZEND_ASSERT(!ZSTR_IS_INTERNED(str));
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ZEND_ASSERT((GC_FLAGS(str) & IS_STR_PERSISTENT));
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free(str);
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} else {
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zend_error_noreturn(E_CORE_ERROR, "Internal zval's can't be arrays, objects, resources or reference");
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}
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}
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}
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}
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/* }}} */
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/* This function should only be used as a copy constructor, i.e. it
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* should only be called AFTER a zval has been copied to another
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* location using ZVAL_COPY_VALUE. Do not call it before copying,
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* otherwise a reference may be leaked. */
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ZEND_API void zval_add_ref(zval *p)
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{
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if (Z_REFCOUNTED_P(p)) {
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if (Z_ISREF_P(p) && Z_REFCOUNT_P(p) == 1) {
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ZVAL_COPY(p, Z_REFVAL_P(p));
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} else {
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Z_ADDREF_P(p);
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}
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}
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}
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ZEND_API void ZEND_FASTCALL zval_copy_ctor_func(zval *zvalue)
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{
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if (EXPECTED(Z_TYPE_P(zvalue) == IS_ARRAY)) {
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ZVAL_ARR(zvalue, zend_array_dup(Z_ARRVAL_P(zvalue)));
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} else if (EXPECTED(Z_TYPE_P(zvalue) == IS_STRING)) {
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ZEND_ASSERT(!ZSTR_IS_INTERNED(Z_STR_P(zvalue)));
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CHECK_ZVAL_STRING(Z_STR_P(zvalue));
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ZVAL_NEW_STR(zvalue, zend_string_dup(Z_STR_P(zvalue), 0));
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}
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}
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/*
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* Local variables:
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* tab-width: 4
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* c-basic-offset: 4
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* indent-tabs-mode: t
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* End:
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*/
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