/**
* Attempts to match the given token with the current lookahead token.
* If they match, updates the lookahead token; otherwise raises a syntax error.
*
* @param int $token type of Token.
* @return bool True if tokens match; false otherwise.
*/
private function match($token)
{
if (!$this->lexer->isNextToken($token)) {
$this->syntaxError($this->lexer->getLiteral($token));
}
return $this->lexer->moveNext();
}
/**
* Matches the next token and advances.
*
* @param integer $token The next token to match.
*
* @return array|null TRUE if the next token matches, FALSE if not.
*
* @throws Exception
* @throws SyntaxException If a syntax error is found.
*/
private function match($token)
{
if (!$this->lexer->isNextToken($token)) {
throw SyntaxException::expectedToken($this->lexer->getLiteral($token), null, $this->lexer);
}
return $this->lexer->moveNext();
}
