/**
* Complete a token (namespace and representation).
* It returns the next namespace.
*
* @param \Hoa\Compiler\Llk\Rule\Token $token Token.
* @return string
*/
protected function completeToken(Compiler\Llk\Rule\Token $token)
{
if (null !== $token->getRepresentation()) {
return $this->_currentNamespace;
}
$name = $token->getTokenName();
$token->setNamespace($this->_currentNamespace);
$toNamespace = $this->_currentNamespace;
if (isset($this->_tokens[$this->_currentNamespace][$name])) {
$token->setRepresentation($this->_tokens[$this->_currentNamespace][$name]);
} else {
foreach ($this->_tokens[$this->_currentNamespace] as $_name => $regex) {
if (false === strpos($_name, ':')) {
continue;
}
list($_name, $toNamespace) = explode(':', $_name, 2);
if ($_name === $name) {
break;
}
}
$token->setRepresentation($regex);
}
return $toNamespace;
}
