public function getErrorMessage($e, $tokenNames)
{
$msg = null;
if ($e instanceof MismatchedTokenException) {
$mte = $e;
$msg = "mismatched character " . $this->getCharErrorDisplay($e->c) . " expecting " . $this->getCharErrorDisplay($mte->expecting);
} else {
if ($e instanceof NoViableAltException) {
$nvae = $e;
// for development, can add "decision=<<"+nvae.grammarDecisionDescription+">>"
// and "(decision="+nvae.decisionNumber+") and
// "state "+nvae.stateNumber
$msg = "no viable alternative at character " . $this->getCharErrorDisplay($e->c);
} else {
if ($e instanceof EarlyExitException) {
$eee = $e;
// for development, can add "(decision="+eee.decisionNumber+")"
$msg = "required (...)+ loop did not match anything at character " . $this->getCharErrorDisplay($e->c);
} else {
if ($e instanceof MismatchedNotSetException) {
$mse = $e;
$msg = "mismatched character " . $this->getCharErrorDisplay($e->c) . " expecting set " . $mse->expecting;
} else {
if ($e instanceof MismatchedSetException) {
$mse = $e;
$msg = "mismatched character " . $this->getCharErrorDisplay($e->c) . " expecting set " . $mse->expecting;
} else {
if ($e instanceof MismatchedRangeException) {
$mre = $e;
$msg = "mismatched character " . $this->getCharErrorDisplay($e->c) . " expecting set " . $this->getCharErrorDisplay($mre->a) . ".." . $this->getCharErrorDisplay($mre->b);
} else {
$msg = parent::getErrorMessage($e, $tokenNames);
}
}
}
}
}
}
return $msg;
}
