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Fix exception constructor behavior after optimizations (#18719)

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- Property hooks may now throw exceptions, that seem to be forgotten to be handled by https://github.com/php/php-src/pull/18442
- The $previous and $trace properties are private, and they were not accessible from the constructor of a child class
This commit is contained in:
Máté Kocsis 2025-05-31 22:16:55 +02:00 • committed by GitHub
parent d2514e3969
commit c045ba3209
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GPG key ID: B5690EEEBB952194
3 changed files with 127 additions and 17 deletions
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64
Zend/zend_exceptions.c
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@ -265,11 +265,11 @@ ZEND_API void zend_clear_exception(void) /* {{{ */
/* Same as writing to OBJ_PROP_NUM() when there are no hooks,
* but checks the offset is correct when Zend is built in debug mode.
* This is faster than going through the regular property write routine when the offset is known at compile time. */
static void zend_update_property_num_checked(zend_object *object, uint32_t prop_num, zend_string *member, zval *value)
static void zend_update_property_num_checked(zend_class_entry *scope, zend_object *object, uint32_t prop_num, zend_string *member, zval *value)
{
if (UNEXPECTED(object->ce->num_hooked_props > 0)) {
/* Property may have been overridden with a hook. */
zend_update_property_ex(object->ce, object, member, value);
zend_update_property_ex(scope != NULL ? scope : object->ce, object, member, value);
zval_ptr_dtor(value);
return;
}
@ -302,19 +302,19 @@ static zend_object *zend_default_exception_new(zend_class_entry *class_type) /*
ZVAL_EMPTY_ARRAY(&trace);
}
zend_update_property_num_checked(object, ZEND_EXCEPTION_TRACE_OFF, ZSTR_KNOWN(ZEND_STR_TRACE), &trace);
zend_update_property_num_checked(i_get_exception_base(object), object, ZEND_EXCEPTION_TRACE_OFF, ZSTR_KNOWN(ZEND_STR_TRACE), &trace);
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_num_checked(object, ZEND_EXCEPTION_FILE_OFF, ZSTR_KNOWN(ZEND_STR_FILE), &tmp);
zend_update_property_num_checked(NULL, object, ZEND_EXCEPTION_FILE_OFF, ZSTR_KNOWN(ZEND_STR_FILE), &tmp);
ZVAL_LONG(&tmp, zend_get_executed_lineno());
zend_update_property_num_checked(object, ZEND_EXCEPTION_LINE_OFF, ZSTR_KNOWN(ZEND_STR_LINE), &tmp);
zend_update_property_num_checked(NULL, object, ZEND_EXCEPTION_LINE_OFF, ZSTR_KNOWN(ZEND_STR_LINE), &tmp);
} else {
ZVAL_STR_COPY(&tmp, filename);
zend_update_property_num_checked(object, ZEND_EXCEPTION_FILE_OFF, ZSTR_KNOWN(ZEND_STR_FILE), &tmp);
zend_update_property_num_checked(NULL, object, ZEND_EXCEPTION_FILE_OFF, ZSTR_KNOWN(ZEND_STR_FILE), &tmp);
ZVAL_LONG(&tmp, zend_get_compiled_lineno());
zend_update_property_num_checked(object, ZEND_EXCEPTION_LINE_OFF, ZSTR_KNOWN(ZEND_STR_LINE), &tmp);
zend_update_property_num_checked(NULL, object, ZEND_EXCEPTION_LINE_OFF, ZSTR_KNOWN(ZEND_STR_LINE), &tmp);
}
return object;
@ -344,17 +344,26 @@ ZEND_METHOD(Exception, __construct)
if (message) {
ZVAL_STR_COPY(&tmp, message);
zend_update_property_num_checked(Z_OBJ_P(object), ZEND_EXCEPTION_MESSAGE_OFF, ZSTR_KNOWN(ZEND_STR_MESSAGE), &tmp);
zend_update_property_num_checked(NULL, Z_OBJ_P(object), ZEND_EXCEPTION_MESSAGE_OFF, ZSTR_KNOWN(ZEND_STR_MESSAGE), &tmp);
if (UNEXPECTED(EG(exception))) {
RETURN_THROWS();
}
}
if (code) {
ZVAL_LONG(&tmp, code);
zend_update_property_num_checked(Z_OBJ_P(object), ZEND_EXCEPTION_CODE_OFF, ZSTR_KNOWN(ZEND_STR_CODE), &tmp);
zend_update_property_num_checked(NULL, Z_OBJ_P(object), ZEND_EXCEPTION_CODE_OFF, ZSTR_KNOWN(ZEND_STR_CODE), &tmp);
if (UNEXPECTED(EG(exception))) {
RETURN_THROWS();
}
}
if (previous) {
Z_ADDREF_P(previous);
zend_update_property_num_checked(Z_OBJ_P(object), ZEND_EXCEPTION_PREVIOUS_OFF, ZSTR_KNOWN(ZEND_STR_PREVIOUS), previous);
zend_update_property_num_checked(zend_ce_exception, Z_OBJ_P(object), ZEND_EXCEPTION_PREVIOUS_OFF, ZSTR_KNOWN(ZEND_STR_PREVIOUS), previous);
if (UNEXPECTED(EG(exception))) {
RETURN_THROWS();
}
}
}
/* }}} */
@ -394,33 +403,54 @@ ZEND_METHOD(ErrorException, __construct)
if (message) {
ZVAL_STR_COPY(&tmp, message);
zend_update_property_num_checked(Z_OBJ_P(object), ZEND_EXCEPTION_MESSAGE_OFF, ZSTR_KNOWN(ZEND_STR_MESSAGE), &tmp);
zend_update_property_num_checked(NULL, Z_OBJ_P(object), ZEND_EXCEPTION_MESSAGE_OFF, ZSTR_KNOWN(ZEND_STR_MESSAGE), &tmp);
if (UNEXPECTED(EG(exception))) {
RETURN_THROWS();
}
}
if (code) {
ZVAL_LONG(&tmp, code);
zend_update_property_num_checked(Z_OBJ_P(object), ZEND_EXCEPTION_CODE_OFF, ZSTR_KNOWN(ZEND_STR_CODE), &tmp);
zend_update_property_num_checked(NULL, Z_OBJ_P(object), ZEND_EXCEPTION_CODE_OFF, ZSTR_KNOWN(ZEND_STR_CODE), &tmp);
if (UNEXPECTED(EG(exception))) {
RETURN_THROWS();
}
}
if (previous) {
Z_ADDREF_P(previous);
zend_update_property_num_checked(Z_OBJ_P(object), ZEND_EXCEPTION_PREVIOUS_OFF, ZSTR_KNOWN(ZEND_STR_PREVIOUS), previous);
zend_update_property_num_checked(zend_ce_exception, Z_OBJ_P(object), ZEND_EXCEPTION_PREVIOUS_OFF, ZSTR_KNOWN(ZEND_STR_PREVIOUS), previous);
if (UNEXPECTED(EG(exception))) {
RETURN_THROWS();
}
}
ZVAL_LONG(&tmp, severity);
zend_update_property_num_checked(Z_OBJ_P(object), ZEND_EXCEPTION_SEVERITY_OFF, ZSTR_KNOWN(ZEND_STR_SEVERITY), &tmp);
zend_update_property_num_checked(NULL, Z_OBJ_P(object), ZEND_EXCEPTION_SEVERITY_OFF, ZSTR_KNOWN(ZEND_STR_SEVERITY), &tmp);
if (UNEXPECTED(EG(exception))) {
RETURN_THROWS();
}
if (filename) {
ZVAL_STR_COPY(&tmp, filename);
zend_update_property_num_checked(Z_OBJ_P(object), ZEND_EXCEPTION_FILE_OFF, ZSTR_KNOWN(ZEND_STR_FILE), &tmp);
zend_update_property_num_checked(NULL, Z_OBJ_P(object), ZEND_EXCEPTION_FILE_OFF, ZSTR_KNOWN(ZEND_STR_FILE), &tmp);
if (UNEXPECTED(EG(exception))) {
RETURN_THROWS();
}
}
if (!lineno_is_null) {
ZVAL_LONG(&tmp, lineno);
zend_update_property_num_checked(Z_OBJ_P(object), ZEND_EXCEPTION_LINE_OFF, ZSTR_KNOWN(ZEND_STR_LINE), &tmp);
zend_update_property_num_checked(NULL, Z_OBJ_P(object), ZEND_EXCEPTION_LINE_OFF, ZSTR_KNOWN(ZEND_STR_LINE), &tmp);
if (UNEXPECTED(EG(exception))) {
RETURN_THROWS();
}
} else if (filename) {
ZVAL_LONG(&tmp, 0);
zend_update_property_num_checked(Z_OBJ_P(object), ZEND_EXCEPTION_LINE_OFF, ZSTR_KNOWN(ZEND_STR_LINE), &tmp);
zend_update_property_num_checked(NULL, Z_OBJ_P(object), ZEND_EXCEPTION_LINE_OFF, ZSTR_KNOWN(ZEND_STR_LINE), &tmp);
if (UNEXPECTED(EG(exception))) {
RETURN_THROWS();
}
}
}
/* }}} */