void zend_exception_set_previous(zend_object *exception, zend_object *add_previous) /* {{{ */
{
zval *previous, *ancestor, *ex;
zval pv, zv, rv;
zend_class_entry *base_ce;
if (exception == add_previous || !add_previous || !exception) {
return;
}
ZVAL_OBJ(&pv, add_previous);
if (!instanceof_function(Z_OBJCE(pv), zend_ce_throwable)) {
zend_error_noreturn(E_CORE_ERROR, "Previous exception must implement Throwable");
return;
}
ZVAL_OBJ(&zv, exception);
ex = &zv;
do {
ancestor = zend_read_property_ex(i_get_exception_base(&pv), &pv, ZSTR_KNOWN(ZEND_STR_PREVIOUS), 1, &rv);
while (Z_TYPE_P(ancestor) == IS_OBJECT) {
if (Z_OBJ_P(ancestor) == Z_OBJ_P(ex)) {
OBJ_RELEASE(add_previous);
return;
}
ancestor = zend_read_property_ex(i_get_exception_base(ancestor), ancestor, ZSTR_KNOWN(ZEND_STR_PREVIOUS), 1, &rv);
}
base_ce = i_get_exception_base(ex);
previous = zend_read_property_ex(base_ce, ex, ZSTR_KNOWN(ZEND_STR_PREVIOUS), 1, &rv);
if (Z_TYPE_P(previous) == IS_NULL) {
zend_update_property_ex(base_ce, ex, ZSTR_KNOWN(ZEND_STR_PREVIOUS), &pv);
GC_DELREF(add_previous);
return;
}
ex = previous;
} while (Z_OBJ_P(ex) != add_previous);
}
/* {{{ proto Exception|Error::__construct(string message, int code [, Throwable previous])
Exception constructor */
ZEND_METHOD(exception, __construct)
{
zend_string *message = NULL;
zend_long code = 0;
zval *object, *previous = NULL;
zend_class_entry *base_ce;
int argc = ZEND_NUM_ARGS();
object = getThis();
base_ce = i_get_exception_base(object);
if (zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, argc, "|SlO!", &message, &code, &previous, zend_ce_throwable) == FAILURE) {
zend_class_entry *ce;
if (execute_data->called_scope) {
ce = execute_data->called_scope;
} else {
ce = base_ce;
}
zend_throw_error(NULL, "Wrong parameters for %s([string $message [, long $code [, Throwable $previous = NULL]]])", ZSTR_VAL(ce->name));
return;
}
if (message) {
zend_update_property_str(base_ce, object, "message", sizeof("message")-1, message);
}
if (code) {
zend_update_property_long(base_ce, object, "code", sizeof("code")-1, code);
}
if (previous) {
zend_update_property(base_ce, object, "previous", sizeof("previous")-1, previous);
}
}
static zend_object *zend_default_exception_new_ex(zend_class_entry *class_type, int skip_top_traces) /* {{{ */
{
zval obj;
zend_object *object;
zval trace;
zend_class_entry *base_ce;
zend_string *filename;
Z_OBJ(obj) = object = zend_objects_new(class_type);
Z_OBJ_HT(obj) = &default_exception_handlers;
object_properties_init(object, class_type);
if (EG(current_execute_data)) {
zend_fetch_debug_backtrace(&trace, skip_top_traces, 0, 0);
} else {
array_init(&trace);
}
Z_SET_REFCOUNT(trace, 0);
base_ce = i_get_exception_base(&obj);
if (EXPECTED(class_type != zend_ce_parse_error || !(filename = zend_get_compiled_filename()))) {
zend_update_property_string(base_ce, &obj, "file", sizeof("file")-1, zend_get_executed_filename());
zend_update_property_long(base_ce, &obj, "line", sizeof("line")-1, zend_get_executed_lineno());
} else {
zend_update_property_str(base_ce, &obj, "file", sizeof("file")-1, filename);
zend_update_property_long(base_ce, &obj, "line", sizeof("line")-1, zend_get_compiled_lineno());
}
zend_update_property(base_ce, &obj, "trace", sizeof("trace")-1, &trace);
return object;
}
ZEND_METHOD(exception, __wakeup)
{
zval value, *pvalue;
zval *object = getThis();
CHECK_EXC_TYPE(ZEND_STR_MESSAGE, IS_STRING);
CHECK_EXC_TYPE(ZEND_STR_STRING, IS_STRING);
CHECK_EXC_TYPE(ZEND_STR_CODE, IS_LONG);
CHECK_EXC_TYPE(ZEND_STR_FILE, IS_STRING);
CHECK_EXC_TYPE(ZEND_STR_LINE, IS_LONG);
CHECK_EXC_TYPE(ZEND_STR_TRACE, IS_ARRAY);
pvalue = zend_read_property(i_get_exception_base(object), object, "previous", sizeof("previous")-1, 1, &value);
if (pvalue && Z_TYPE_P(pvalue) != IS_NULL && (Z_TYPE_P(pvalue) != IS_OBJECT ||
!instanceof_function(Z_OBJCE_P(pvalue), i_get_exception_base(object)) ||
pvalue == object)) {
zend_unset_property(i_get_exception_base(object), object, "previous", sizeof("previous")-1);
}
}
/* {{{ proto Exception|Error::__construct(string message, int code [, Throwable previous])
Exception constructor */
ZEND_METHOD(exception, __construct)
{
zend_string *message = NULL;
zend_long code = 0;
zval tmp, *object, *previous = NULL;
zend_class_entry *base_ce;
int argc = ZEND_NUM_ARGS();
object = getThis();
base_ce = i_get_exception_base(object);
if (zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, argc, "|SlO!", &message, &code, &previous, zend_ce_throwable) == FAILURE) {
zend_class_entry *ce;
if (Z_TYPE(EX(This)) == IS_OBJECT) {
ce = Z_OBJCE(EX(This));
} else if (Z_CE(EX(This))) {
ce = Z_CE(EX(This));
} else {
ce = base_ce;
}
zend_throw_error(NULL, "Wrong parameters for %s([string $message [, long $code [, Throwable $previous = NULL]]])", ZSTR_VAL(ce->name));
return;
}
if (message) {
ZVAL_STR(&tmp, message);
zend_update_property_ex(base_ce, object, ZSTR_KNOWN(ZEND_STR_MESSAGE), &tmp);
}
if (code) {
ZVAL_LONG(&tmp, code);
zend_update_property_ex(base_ce, object, ZSTR_KNOWN(ZEND_STR_CODE), &tmp);
}
if (previous) {
zend_update_property_ex(base_ce, object, ZSTR_KNOWN(ZEND_STR_PREVIOUS), previous);
}
}
static zend_object *zend_default_exception_new_ex(zend_class_entry *class_type, int skip_top_traces) /* {{{ */
{
zval obj, tmp;
zend_object *object;
zval trace;
zend_class_entry *base_ce;
zend_string *filename;
Z_OBJ(obj) = object = zend_objects_new(class_type);
Z_OBJ_HT(obj) = &default_exception_handlers;
object_properties_init(object, class_type);
if (EG(current_execute_data)) {
zend_fetch_debug_backtrace(&trace, skip_top_traces, 0, 0);
} else {
array_init(&trace);
}
Z_SET_REFCOUNT(trace, 0);
base_ce = i_get_exception_base(&obj);
if (EXPECTED((class_type != zend_ce_parse_error && class_type != zend_ce_compile_error)
|| !(filename = zend_get_compiled_filename()))) {
ZVAL_STRING(&tmp, zend_get_executed_filename());
zend_update_property_ex(base_ce, &obj, ZSTR_KNOWN(ZEND_STR_FILE), &tmp);
zval_ptr_dtor(&tmp);
ZVAL_LONG(&tmp, zend_get_executed_lineno());
zend_update_property_ex(base_ce, &obj, ZSTR_KNOWN(ZEND_STR_LINE), &tmp);
} else {
ZVAL_STR(&tmp, filename);
zend_update_property_ex(base_ce, &obj, ZSTR_KNOWN(ZEND_STR_FILE), &tmp);
ZVAL_LONG(&tmp, zend_get_compiled_lineno());
zend_update_property_ex(base_ce, &obj, ZSTR_KNOWN(ZEND_STR_LINE), &tmp);
}
zend_update_property_ex(base_ce, &obj, ZSTR_KNOWN(ZEND_STR_TRACE), &trace);
return object;
}
ZEND_API zend_class_entry *zend_get_exception_base(zval *object) /* {{{ */
{
return i_get_exception_base(object);
}
