parser/
error.rs

1use std::error;
2use std::fmt;
3
4
5#[derive(Debug, Clone)]
6pub enum ParserError {
7    InvalidOpcode(u8),
8    NotEnoughBytes(usize),
9}
10
11impl fmt::Display for ParserError {
12    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
13        match *self {
14            Self::InvalidOpcode(op) =>
15                write!(f, "invalid opcode: {:#X}", op),
16            Self::NotEnoughBytes(len) =>
17                write!(f, "not enough bytes to be parsed ({} bytes)", len),
18        }
19    }
20}
21
22impl error::Error for ParserError {
23    fn source(&self) -> Option<&(dyn error::Error + 'static)> {
24        match *self {
25            Self::InvalidOpcode(_) => None,
26            Self::NotEnoughBytes(_) => None,
27        }
28    }
29}
parser/error.rs

parser/
error.rs
