protected static function parseSignature($scanner, $_symTable)
{
list($identifier, $symTable) = parent::parseSignature($scanner, $_symTable);
parent::requireOperator($scanner, ':');
$scanner->next();
$type = SymType::parseFixed($scanner, $symTable);
if ($type->isAnonim()) {
$symTable->append($type);
}
$_symTable->append(new SymVar('result', $type));
return [$identifier, $symTable, $type];
}
protected static function parseSignature($scanner, $_symTable)
{
if (!$scanner->get()->isIdentifier()) {
parent::simpleException($scanner, ['<IDENTIFIER>']);
}
$symTable = new SymTable($_symTable);
$identifier = $scanner->get()->getValue();
$scanner->next();
if ($scanner->get()->isOperator('(')) {
$scanner->next();
$idx = 0;
while (true) {
$identifiers = [];
while ($scanner->get()->isIdentifier()) {
$identifiers[] = $scanner->get()->getValue();
$scanner->next();
if (!$scanner->get()->isOperator(',')) {
break;
}
$scanner->next();
}
if (count($identifiers) > 0) {
parent::requireOperator($scanner, ':');
$scanner->next();
$type = SymType::parseFixed($scanner, $symTable);
foreach ($identifiers as $arg) {
$symTable->append(new SymArg($arg, $type, $idx));
$idx++;
}
}
if ($scanner->get()->isOperator(')')) {
$scanner->next();
break;
}
parent::semicolonPass($scanner);
}
}
return [$identifier, $symTable];
}
