@SuppressWarnings("rawtypes")
private Token accept(Class clazz) {
if (this.peek().getClass().equals(clazz)) {
return lexer.advance();
}
return null;
}
private Token nextToken() {
return lexer.advance();
}
private void skip(int n) {
while (n > 0) {
lexer.advance();
n = n - 1;
}
}
