ZEND_API void ZEND_FASTCALL zend_objects_store_del(zend_object *object) /* {{{ */
{
ZEND_ASSERT(GC_REFCOUNT(object) == 0);
/* GC might have released this object already. */
if (UNEXPECTED(GC_TYPE(object) == IS_NULL)) {
return;
}
/* Make sure we hold a reference count during the destructor call
otherwise, when the destructor ends the storage might be freed
when the refcount reaches 0 a second time
*/
if (!(OBJ_FLAGS(object) & IS_OBJ_DESTRUCTOR_CALLED)) {
GC_ADD_FLAGS(object, IS_OBJ_DESTRUCTOR_CALLED);
if (object->handlers->dtor_obj != zend_objects_destroy_object
|| object->ce->destructor) {
GC_SET_REFCOUNT(object, 1);
object->handlers->dtor_obj(object);
GC_DELREF(object);
}
}
if (GC_REFCOUNT(object) == 0) {
uint32_t handle = object->handle;
void *ptr;
ZEND_ASSERT(EG(objects_store).object_buckets != NULL);
ZEND_ASSERT(IS_OBJ_VALID(EG(objects_store).object_buckets[handle]));
EG(objects_store).object_buckets[handle] = SET_OBJ_INVALID(object);
if (!(OBJ_FLAGS(object) & IS_OBJ_FREE_CALLED)) {
GC_ADD_FLAGS(object, IS_OBJ_FREE_CALLED);
GC_SET_REFCOUNT(object, 1);
object->handlers->free_obj(object);
}
ptr = ((char*)object) - object->handlers->offset;
GC_REMOVE_FROM_BUFFER(object);
efree(ptr);
ZEND_OBJECTS_STORE_ADD_TO_FREE_LIST(handle);
}
}
/* This function might be not thread safe at least because it would update the
hash val in the passed string. Be sure it is called in the appropriate context. */
static zend_always_inline zend_string *zend_add_interned_string(zend_string *str, HashTable *interned_strings, uint32_t flags)
{
zval val;
GC_SET_REFCOUNT(str, 1);
GC_FLAGS(str) |= IS_STR_INTERNED | flags;
ZVAL_INTERNED_STR(&val, str);
zend_hash_add_new(interned_strings, str, &val);
return str;
}
static int do_callback(struct pdo_sqlite_fci *fc, zval *cb,
int argc, sqlite3_value **argv, sqlite3_context *context,
int is_agg)
{
zval *zargs = NULL;
zval retval;
int i;
int ret;
int fake_argc;
zend_reference *agg_context = NULL;
if (is_agg) {
is_agg = 2;
}
fake_argc = argc + is_agg;
fc->fci.size = sizeof(fc->fci);
ZVAL_COPY_VALUE(&fc->fci.function_name, cb);
fc->fci.object = NULL;
fc->fci.retval = &retval;
fc->fci.param_count = fake_argc;
/* build up the params */
if (fake_argc) {
zargs = safe_emalloc(fake_argc, sizeof(zval), 0);
}
if (is_agg) {
agg_context = (zend_reference*)sqlite3_aggregate_context(context, sizeof(zend_reference));
if (!agg_context) {
ZVAL_NULL(&zargs[0]);
} else {
if (Z_ISUNDEF(agg_context->val)) {
GC_SET_REFCOUNT(agg_context, 1);
GC_TYPE_INFO(agg_context) = IS_REFERENCE;
ZVAL_NULL(&agg_context->val);
}
ZVAL_REF(&zargs[0], agg_context);
}
ZVAL_LONG(&zargs[1], sqlite3_aggregate_count(context));
}
for (i = 0; i < argc; i++) {
/* get the value */
switch (sqlite3_value_type(argv[i])) {
case SQLITE_INTEGER:
ZVAL_LONG(&zargs[i + is_agg], sqlite3_value_int(argv[i]));
break;
case SQLITE_FLOAT:
ZVAL_DOUBLE(&zargs[i + is_agg], sqlite3_value_double(argv[i]));
break;
case SQLITE_NULL:
ZVAL_NULL(&zargs[i + is_agg]);
break;
case SQLITE_BLOB:
case SQLITE3_TEXT:
default:
ZVAL_STRINGL(&zargs[i + is_agg], (char*)sqlite3_value_text(argv[i]), sqlite3_value_bytes(argv[i]));
break;
}
}
fc->fci.params = zargs;
if ((ret = zend_call_function(&fc->fci, &fc->fcc)) == FAILURE) {
php_error_docref(NULL, E_WARNING, "An error occurred while invoking the callback");
}
/* clean up the params */
if (zargs) {
for (i = is_agg; i < fake_argc; i++) {
zval_ptr_dtor(&zargs[i]);
}
if (is_agg) {
zval_ptr_dtor(&zargs[1]);
}
efree(zargs);
}
if (!is_agg || !argv) {
/* only set the sqlite return value if we are a scalar function,
* or if we are finalizing an aggregate */
if (!Z_ISUNDEF(retval)) {
switch (Z_TYPE(retval)) {
case IS_LONG:
sqlite3_result_int(context, Z_LVAL(retval));
break;
case IS_NULL:
sqlite3_result_null(context);
break;
case IS_DOUBLE:
sqlite3_result_double(context, Z_DVAL(retval));
break;
default:
convert_to_string_ex(&retval);
sqlite3_result_text(context, Z_STRVAL(retval), Z_STRLEN(retval), SQLITE_TRANSIENT);
break;
}
} else {
sqlite3_result_error(context, "failed to invoke callback", 0);
}
if (agg_context) {
zval_ptr_dtor(&agg_context->val);
}
} else {
/* we're stepping in an aggregate; the return value goes into
* the context */
if (agg_context) {
zval_ptr_dtor(&agg_context->val);
}
if (!Z_ISUNDEF(retval)) {
ZVAL_COPY_VALUE(&agg_context->val, &retval);
ZVAL_UNDEF(&retval);
} else {
ZVAL_UNDEF(&agg_context->val);
}
}
if (!Z_ISUNDEF(retval)) {
zval_ptr_dtor(&retval);
}
return ret;
}
