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spl_autoload_call() optimization

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This commit is contained in:
Dmitry Stogov 2017-05-10 13:27:49 +03:00
parent c8f073d0d7
commit c01afdb68c
1 changed files with 46 additions and 16 deletions
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62
ext/spl/php_spl.c
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@ -392,7 +392,7 @@ static void autoload_func_info_dtor(zval *element)
Try all registerd autoload function to load the requested class */
PHP_FUNCTION(spl_autoload_call)
{
zval *class_name, *retval = NULL;
zval *class_name, retval;
zend_string *lc_name, *func_name;
autoload_func_info *alfi;
@ -403,34 +403,64 @@ PHP_FUNCTION(spl_autoload_call)
if (SPL_G(autoload_functions)) {
HashPosition pos;
zend_ulong num_idx;
zend_function *func;
zend_fcall_info fci;
zend_fcall_info_cache fcic;
zend_class_entry *called_scope = zend_get_called_scope(execute_data);
int l_autoload_running = SPL_G(autoload_running);
SPL_G(autoload_running) = 1;
lc_name = zend_string_alloc(Z_STRLEN_P(class_name), 0);
zend_str_tolower_copy(ZSTR_VAL(lc_name), Z_STRVAL_P(class_name), Z_STRLEN_P(class_name));
lc_name = zend_string_tolower(Z_STR_P(class_name));
fci.size = sizeof(fci);
fci.retval = &retval;
fci.param_count = 1;
fci.params = class_name;
fci.no_separation = 1;
ZVAL_UNDEF(&fci.function_name); /* Unused */
fcic.initialized = 1;
zend_hash_internal_pointer_reset_ex(SPL_G(autoload_functions), &pos);
while (zend_hash_get_current_key_ex(SPL_G(autoload_functions), &func_name, &num_idx, &pos) == HASH_KEY_IS_STRING) {
alfi = zend_hash_get_current_data_ptr_ex(SPL_G(autoload_functions), &pos);
if (UNEXPECTED(alfi->func_ptr->common.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE)) {
zend_function *copy = emalloc(sizeof(zend_op_array));
memcpy(copy, alfi->func_ptr, sizeof(zend_op_array));
copy->op_array.function_name = zend_string_copy(alfi->func_ptr->op_array.function_name);
zend_call_method(Z_ISUNDEF(alfi->obj)? NULL : &alfi->obj, alfi->ce, &copy, ZSTR_VAL(func_name), ZSTR_LEN(func_name), retval, 1, class_name, NULL);
func = alfi->func_ptr;
if (UNEXPECTED(func->common.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE)) {
func = emalloc(sizeof(zend_op_array));
memcpy(func, alfi->func_ptr, sizeof(zend_op_array));
zend_string_addref(func->op_array.function_name);
}
ZVAL_UNDEF(&retval);
fcic.function_handler = func;
if (Z_ISUNDEF(alfi->obj)) {
fci.object = NULL;
fcic.object = NULL;
fcic.calling_scope = alfi->ce;
if (alfi->ce &&
(!called_scope ||
!instanceof_function(called_scope, alfi->ce))) {
fcic.called_scope = alfi->ce;
} else {
fcic.called_scope = called_scope;
}
} else {
zend_call_method(Z_ISUNDEF(alfi->obj)? NULL : &alfi->obj, alfi->ce, &alfi->func_ptr, ZSTR_VAL(func_name), ZSTR_LEN(func_name), retval, 1, class_name, NULL);
fci.object = Z_OBJ(alfi->obj);
fcic.object = Z_OBJ(alfi->obj);
fcic.called_scope = Z_OBJCE(alfi->obj);
}
zend_call_function(&fci, &fcic);
zend_exception_save();
if (retval) {
zval_ptr_dtor(retval);
retval = NULL;
}
if (zend_hash_exists(EG(class_table), lc_name)) {
zval_ptr_dtor(&retval);
if (pos + 1 == SPL_G(autoload_functions)->nNumUsed ||
zend_hash_exists(EG(class_table), lc_name)) {
break;
}
zend_hash_move_forward_ex(SPL_G(autoload_functions), &pos);
}
zend_exception_restore();
zend_string_free(lc_name);
zend_string_release(lc_name);
SPL_G(autoload_running) = l_autoload_running;
} else {
/* do not use or overwrite &EG(autoload_func) here */