private void mLETTER() {
Enter_LETTER();
EnterRule("LETTER", 4);
TraceIn("LETTER", 4);
try {
DebugEnterAlt(1);
{
DebugLocation(581, 16);
if ((input.LA(1) >= 'A' && input.LA(1) <= 'Z') || (input.LA(1) >= 'a' && input.LA(1) <= 'z')) {
input.Consume();
}
else {
MismatchedSetException mse = new MismatchedSetException(null, input);
DebugRecognitionException(mse);
Recover(mse);
throw mse;
}
}
}
finally {
TraceOut("LETTER", 4);
LeaveRule("LETTER", 4);
Leave_LETTER();
}
}
// $ANTLR end "LETTER"