/**
* Check for unused code.
*
* Dead code after a return or a throw TOKEN.
*
* @param String $endToken
* The name of the end token (RETURN or THROW)
*/
private function _checkUnusedCode($endToken)
{
if ($this->_isActive('checkUnusedCode')) {
// The check is done only when we are at the root level of a function
if ($this->statementStack->getCurrentStackItem()->type == 'FUNCTION') {
// Find the end of the return statement
$pos = $this->tokenizer->findNextStringPosition(';');
// Find the next valid token after the return statement
$nextValidToken = $this->tokenizer->peekNextValidToken($pos + 1);
// Find the end of the function or bloc of code
$posClose = $this->tokenizer->findNextStringPosition('}');
// If the end of bloc if not right after the return statement, we have dead code
if ($nextValidToken != null && $posClose > $nextValidToken->position) {
$msg = $this->_getMessage('UNUSED_CODE', $this->statementStack->getCurrentStackItem()->name, $endToken);
$this->_writeError('checkUnusedCode', $msg);
}
}
}
}
