static int32_t qb_transfer_variables_to_generator(qb_interpreter_context *cxt) {
USE_TSRM
zend_generator *generator = (zend_generator *) EG(return_value_ptr_ptr);
zval *ret, *ret_key;
// reusing previous key and value
if(generator->value) {
ret = generator->value;
} else {
ALLOC_INIT_ZVAL(ret);
generator->value = ret;
}
if(generator->key) {
ret_key = generator->key;
} else {
ALLOC_INIT_ZVAL(ret_key);
generator->key = ret_key;
}
if(cxt->function->return_variable->address) {
if(!qb_transfer_value_to_zval(cxt->function->local_storage, cxt->function->return_variable->address, ret)) {
uint32_t line_id = qb_get_zend_line_id(TSRMLS_C);
qb_append_exception_variable_name(cxt->function->return_variable TSRMLS_CC);
qb_set_exception_line_id(line_id TSRMLS_CC);
return FALSE;
}
}
if(cxt->function->return_key_variable->address) {
if(!qb_transfer_value_to_zval(cxt->function->local_storage, cxt->function->return_key_variable->address, ret_key)) {
uint32_t line_id = qb_get_zend_line_id(TSRMLS_C);
qb_append_exception_variable_name(cxt->function->return_key_variable TSRMLS_CC);
qb_set_exception_line_id(line_id TSRMLS_CC);
return FALSE;
}
}
if(cxt->function->sent_variable->address) {
#if PHP_MINOR_VERSION > 5 || PHP_RELEASE_VERSION > 7
static zval _dummy_value, *dummy_value = &_dummy_value;
if(generator->send_target) {
zval_ptr_dtor(generator->send_target);
}
generator->send_target = (zval **) &cxt->send_target;
// Zend will call Z_DELREF_PP() on what generator->send_target points to
// put a dummy value there so it doesn't crash
*generator->send_target = dummy_value;
#else
if(!generator->send_target) {
cxt->send_target = emalloc(sizeof(temp_variable));
memset(cxt->send_target, 0, sizeof(temp_variable));
generator->send_target = cxt->send_target;
}
#endif
}
return TRUE;
}
static int32_t qb_transfer_arguments_to_php(qb_interpreter_context *cxt) {
USE_TSRM
#if !ZEND_ENGINE_2_2 && !ZEND_ENGINE_2_1
void **p = EG(current_execute_data)->prev_execute_data->function_state.arguments;
#else
void **p = EG(argument_stack).top_element-1-1;
#endif
uint32_t received_argument_count = (uint32_t) (uintptr_t) *p;
uint32_t i;
// copy changes to by-ref arguments
for(i = 0; i < cxt->function->argument_count; i++) {
qb_variable *qvar = cxt->function->variables[i];
if(qvar->flags & QB_VARIABLE_BY_REF) {
if(i < received_argument_count) {
zval **p_zarg = (zval**) p - received_argument_count + i;
zval *zarg = *p_zarg;
if(!qb_transfer_value_to_zval(cxt->function->local_storage, qvar->address, zarg)) {
uint32_t line_id = qb_get_zend_line_id(TSRMLS_C);
qb_append_exception_variable_name(qvar TSRMLS_CC);
qb_set_exception_line_id(line_id TSRMLS_CC);
return FALSE;
}
}
}
qvar->value = NULL;
}
if(EG(return_value_ptr_ptr)) {
// copy value into return variable
zval *ret, **p_ret = EG(return_value_ptr_ptr);
ALLOC_INIT_ZVAL(ret);
*p_ret = ret;
if(cxt->function->return_variable->address) {
if(!qb_transfer_value_to_zval(cxt->function->local_storage, cxt->function->return_variable->address, ret)) {
uint32_t line_id = qb_get_zend_line_id(TSRMLS_C);
qb_append_exception_variable_name(cxt->function->return_variable TSRMLS_CC);
qb_set_exception_line_id(line_id TSRMLS_CC);
return FALSE;
}
}
}
return TRUE;
}
static int32_t qb_transfer_value_to_import_source(qb_interpreter_context *cxt, qb_variable *ivar, qb_import_scope *scope) {
int32_t result = TRUE;
if(ivar->flags & QB_VARIABLE_IMPORTED) {
USE_TSRM
zval *zvalue = ivar->value, **p_zvalue = ivar->value_pointer;
if(!IS_READ_ONLY(ivar->address)) {
if(zvalue) {
// separate the zval first, since we're modifying it
SEPARATE_ZVAL_IF_NOT_REF(&zvalue);
} else {
ALLOC_INIT_ZVAL(zvalue);
}
if(!qb_transfer_value_to_zval(scope->storage, ivar->address, zvalue)) {
uint32_t line_id = qb_get_zend_line_id(TSRMLS_C);
qb_append_exception_variable_name(ivar TSRMLS_CC);
qb_set_exception_line_id(line_id TSRMLS_CC);
result = FALSE;
}
if(p_zvalue) {
*p_zvalue = zvalue;
} else {
if(ivar->flags & QB_VARIABLE_GLOBAL) {
zend_hash_quick_update(&EG(symbol_table), ivar->name, ivar->name_length + 1, ivar->hash_value, (void **) &zvalue, sizeof(zval *), NULL);
} else if(ivar->flags & QB_VARIABLE_CLASS_INSTANCE) {
zval *container = scope->object;
zval *name = qb_string_to_zval(ivar->name, ivar->name_length TSRMLS_CC);
Z_OBJ_WRITE_PROP(container, name, zvalue);
}
}
}
if(!p_zvalue && zvalue) {
// if p_zvalue isn't null, then something else has put a refcount
// on the zval (and we didn't increment it earlier)
zval_ptr_dtor(&zvalue);
}
ivar->value_pointer = NULL;
ivar->value = NULL;
ivar->flags &= ~QB_VARIABLE_IMPORTED;
}
return result;
}
static int32_t qb_transfer_value_to_import_source(qb_interpreter_context *cxt, qb_variable *ivar, qb_import_scope *scope) {
int32_t result = TRUE;
if(ivar->flags & QB_VARIABLE_IMPORTED) {
USE_TSRM
if(!READ_ONLY(ivar->address)) {
zval *zvalue;
if(ivar->value_pointer) {
zvalue = *ivar->value_pointer;
} else {
zvalue = ivar->value;
// separate the zval first, since we're modifying it
SEPARATE_ZVAL_TO_MAKE_IS_REF(&zvalue);
}
if(!zvalue) {
ALLOC_INIT_ZVAL(zvalue);
if(ivar->value_pointer) {
*ivar->value_pointer = zvalue;
}
}
if(!qb_transfer_value_to_zval(scope->storage, ivar->address, zvalue)) {
uint32_t line_id = qb_get_zend_line_id(TSRMLS_C);
qb_set_exception_line_id(line_id TSRMLS_CC);
result = FALSE;
}
if(!ivar->value_pointer) {
if(ivar->flags & QB_VARIABLE_GLOBAL) {
zend_hash_quick_update(&EG(symbol_table), ivar->name, ivar->name_length + 1, ivar->hash_value, (void **) &zvalue, sizeof(zval *), NULL);
} else if(ivar->flags & QB_VARIABLE_CLASS_INSTANCE) {
zval *container = scope->zend_object;
zval *name = qb_string_to_zval(ivar->name, ivar->name_length TSRMLS_CC);
Z_OBJ_WRITE_PROP(container, name, zvalue);
zval_ptr_dtor(&zvalue);
}
}
ivar->value_pointer = NULL;
ivar->value = NULL;
}
ivar->flags &= ~QB_VARIABLE_IMPORTED;
}
