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|
/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) 1998-2014 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@zend.com> |
| Zeev Suraski <zeev@zend.com> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#include <stdio.h>
#include "zend.h"
#include "zend_API.h"
#include "zend_ast.h"
#include "zend_globals.h"
#include "zend_constants.h"
#include "zend_list.h"
ZEND_API void _zval_dtor_func(zval *zvalue ZEND_FILE_LINE_DC)
{
switch (Z_TYPE_P(zvalue) & IS_CONSTANT_TYPE_MASK) {
case IS_STRING:
case IS_CONSTANT:
CHECK_ZVAL_STRING_REL(zvalue);
str_efree_rel(zvalue->value.str.val);
break;
case IS_ARRAY: {
TSRMLS_FETCH();
if (zvalue->value.ht && (zvalue->value.ht != &EG(symbol_table))) {
/* break possible cycles */
Z_TYPE_P(zvalue) = IS_NULL;
zend_hash_destroy(zvalue->value.ht);
FREE_HASHTABLE(zvalue->value.ht);
}
}
break;
case IS_CONSTANT_AST:
zend_ast_destroy(Z_AST_P(zvalue));
break;
case IS_OBJECT:
{
TSRMLS_FETCH();
Z_OBJ_HT_P(zvalue)->del_ref(zvalue TSRMLS_CC);
}
break;
case IS_RESOURCE:
{
TSRMLS_FETCH();
/* destroy resource */
zend_list_delete(zvalue->value.lval);
}
break;
case IS_LONG:
case IS_DOUBLE:
case IS_BOOL:
case IS_NULL:
default:
return;
break;
}
}
ZEND_API void _zval_internal_dtor(zval *zvalue ZEND_FILE_LINE_DC)
{
switch (Z_TYPE_P(zvalue) & IS_CONSTANT_TYPE_MASK) {
case IS_STRING:
case IS_CONSTANT:
CHECK_ZVAL_STRING_REL(zvalue);
str_free(zvalue->value.str.val);
break;
case IS_ARRAY:
case IS_CONSTANT_AST:
case IS_OBJECT:
case IS_RESOURCE:
zend_error(E_CORE_ERROR, "Internal zval's can't be arrays, objects or resources");
break;
case IS_LONG:
case IS_DOUBLE:
case IS_BOOL:
case IS_NULL:
default:
break;
}
}
ZEND_API void zval_add_ref(zval **p)
{
Z_ADDREF_PP(p);
}
ZEND_API void _zval_copy_ctor_func(zval *zvalue ZEND_FILE_LINE_DC)
{
switch (Z_TYPE_P(zvalue) & IS_CONSTANT_TYPE_MASK) {
case IS_RESOURCE: {
TSRMLS_FETCH();
zend_list_addref(zvalue->value.lval);
}
break;
case IS_BOOL:
case IS_LONG:
case IS_NULL:
break;
case IS_CONSTANT:
case IS_STRING:
CHECK_ZVAL_STRING_REL(zvalue);
if (!IS_INTERNED(zvalue->value.str.val)) {
zvalue->value.str.val = (char *) estrndup_rel(zvalue->value.str.val, zvalue->value.str.len);
}
break;
case IS_ARRAY: {
zval *tmp;
HashTable *original_ht = zvalue->value.ht;
HashTable *tmp_ht = NULL;
TSRMLS_FETCH();
if (zvalue->value.ht == &EG(symbol_table)) {
return; /* do nothing */
}
ALLOC_HASHTABLE_REL(tmp_ht);
zend_hash_init(tmp_ht, zend_hash_num_elements(original_ht), NULL, ZVAL_PTR_DTOR, 0);
zend_hash_copy(tmp_ht, original_ht, (copy_ctor_func_t) zval_add_ref, (void *) &tmp, sizeof(zval *));
tmp_ht->nNextFreeElement = original_ht->nNextFreeElement;
zvalue->value.ht = tmp_ht;
}
break;
case IS_CONSTANT_AST:
Z_AST_P(zvalue) = zend_ast_copy(Z_AST_P(zvalue));
break;
case IS_OBJECT:
{
TSRMLS_FETCH();
Z_OBJ_HT_P(zvalue)->add_ref(zvalue TSRMLS_CC);
}
break;
}
}
ZEND_API int zend_print_variable(zval *var)
{
return zend_print_zval(var, 0);
}
ZEND_API void _zval_dtor_wrapper(zval *zvalue)
{
TSRMLS_FETCH();
GC_REMOVE_ZVAL_FROM_BUFFER(zvalue);
zval_dtor(zvalue);
}
#if ZEND_DEBUG
ZEND_API void _zval_copy_ctor_wrapper(zval *zvalue)
{
zval_copy_ctor(zvalue);
}
ZEND_API void _zval_internal_dtor_wrapper(zval *zvalue)
{
zval_internal_dtor(zvalue);
}
ZEND_API void _zval_ptr_dtor_wrapper(zval **zval_ptr)
{
zval_ptr_dtor(zval_ptr);
}
ZEND_API void _zval_internal_ptr_dtor_wrapper(zval **zval_ptr)
{
zval_internal_ptr_dtor(zval_ptr);
}
#endif
ZEND_API int zval_copy_static_var(zval **p TSRMLS_DC, int num_args, va_list args, zend_hash_key *key) /* {{{ */
{
HashTable *target = va_arg(args, HashTable*);
zend_bool is_ref;
zval *tmp;
if (Z_TYPE_PP(p) & (IS_LEXICAL_VAR|IS_LEXICAL_REF)) {
is_ref = Z_TYPE_PP(p) & IS_LEXICAL_REF;
if (!EG(active_symbol_table)) {
zend_rebuild_symbol_table(TSRMLS_C);
}
if (zend_hash_quick_find(EG(active_symbol_table), key->arKey, key->nKeyLength, key->h, (void **) &p) == FAILURE) {
if (is_ref) {
ALLOC_INIT_ZVAL(tmp);
Z_SET_ISREF_P(tmp);
zend_hash_quick_add(EG(active_symbol_table), key->arKey, key->nKeyLength, key->h, &tmp, sizeof(zval*), (void**)&p);
} else {
tmp = EG(uninitialized_zval_ptr);
zend_error(E_NOTICE,"Undefined variable: %s", key->arKey);
}
} else {
if (is_ref) {
SEPARATE_ZVAL_TO_MAKE_IS_REF(p);
tmp = *p;
} else if (Z_ISREF_PP(p)) {
ALLOC_INIT_ZVAL(tmp);
ZVAL_COPY_VALUE(tmp, *p);
zval_copy_ctor(tmp);
Z_SET_REFCOUNT_P(tmp, 0);
Z_UNSET_ISREF_P(tmp);
} else {
tmp = *p;
}
}
} else {
tmp = *p;
}
if (zend_hash_quick_add(target, key->arKey, key->nKeyLength, key->h, &tmp, sizeof(zval*), NULL) == SUCCESS) {
Z_ADDREF_P(tmp);
}
return ZEND_HASH_APPLY_KEEP;
}
/* }}} */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* indent-tabs-mode: t
* End:
*/
|
