public function matchSymbol(Symbol $symbol)
{
if ($symbol instanceof EpsilonSymbol) {
return true;
}
if (EpsilonSymbol::singletonInstance()->getType() == $symbol->getType()) {
return EpsilonSymbol::singletonInstance()->toString() == $symbol->toString();
}
return false;
}
/**
* @param Symbol $symbol
* @return bool
*/
public function matchSymbol(Symbol $symbol)
{
return $symbol->getType() === $this->type;
}
/**
* @param Symbol $symbol
* @return bool
*/
public function match(Symbol $symbol)
{
$match = $symbol->getType() === Symbol::TYPE_TERMINAL;
$this->matchedOne |= $match;
return $match;
}
/**
* @param Symbol $symbol
* @return ExpressionSymbol
*/
public static function createAdapterForSymbol(Symbol $symbol)
{
$expression = new self($symbol->getType(), $symbol->toString());
return $expression;
}
