/**
* [type] $name [= default]
*
* @return array
* @throws Exception
*/
public function parse_args()
{
$token = $this->scanner->next();
if ($token['code'] === T_RPARENTHESIS) {
// No arguments
$this->scanner->back();
return [];
}
$arg = ['type' => 'mixed', 'name' => NULL, 'value' => [FALSE, NULL]];
if ($token['code'] === T_ARRAY || $token['code'] === T_STRING) {
// type
$arg['type'] = $token['value'];
$token = $this->scanner->next();
}
if ($token['code'] === T_VARIABLE) {
$arg['name'] = $token['value'];
$token = $this->scanner->next();
}
if ($token['code'] === T_ASSIGN) {
$token = $this->scanner->next();
$arg['value'] = [TRUE, $token['value']];
if ($token['value'] == '[') {
// TODO: allow initialization with non-empty arrays
$this->check(T_ARRAY_CLOSE);
}
$token = $this->scanner->next();
}
if ($token['code'] === T_RPARENTHESIS) {
$this->scanner->back();
if (is_null($arg['name'])) {
return [];
}
return [$arg];
} elseif ($token['code'] == T_COMMA) {
return array_merge([$arg], $this->parse_args());
}
}
