public void notifyListeners(LexerNoViableAltException e) {
		String text = _input.getText(Interval.of(_tokenStartCharIndex, _input.index()));
		String msg = "token recognition error at: '"+ getErrorDisplay(text) + "'";

		ANTLRErrorListener listener = getErrorListenerDispatch();
		listener.syntaxError(this, null, _tokenStartLine, _tokenStartCharPositionInLine, msg, e);
	}
Return a list of all Token objects in input char stream.
 Forces load of all tokens. Does not include EOF token.
runtime/Java/src/org/antlr/v4/runtime/Lexer.java