gdbstub/protocol/commands/
_qSupported.rs

1use super::prelude::*;
2
3#[derive(Debug)]
4pub struct qSupported<'a> {
5    pub packet_buffer_len: usize,
6    pub features: Features<'a>,
7}
8
9impl<'a> ParseCommand<'a> for qSupported<'a> {
10    #[inline(always)]
11    fn from_packet(buf: PacketBuf<'a>) -> Option<Self> {
12        let packet_buffer_len = buf.full_len();
13        let body = buf.into_body();
14        match body {
15            [b':', body @ ..] => Some(qSupported {
16                packet_buffer_len,
17                features: Features(body),
18            }),
19            _ => None,
20        }
21    }
22}
23
24#[derive(Debug)]
25pub struct Features<'a>(&'a [u8]);
26
27impl<'a> Features<'a> {
28    pub fn into_iter(self) -> impl Iterator<Item = Result<Option<(Feature, bool)>, ()>> + 'a {
29        self.0.split(|b| *b == b';').map(|s| match s.last() {
30            None => Err(()),
31            Some(&c) => match c {
32                b'+' | b'-' => {
33                    let feature = match &s[..s.len() - 1] {
34                        b"multiprocess" => Feature::Multiprocess,
35                        // TODO: implementing other features will require IDET plumbing
36                        _ => return Ok(None),
37                    };
38                    Ok(Some((feature, c == b'+')))
39                }
40                _ => {
41                    // TODO: add support for "xmlRegisters="
42                    // that's the only feature packet that uses an '=', and AFAIK, it's not really
43                    // used anymore...
44                    Ok(None)
45                }
46            },
47        })
48    }
49}
50
51#[derive(Debug)]
52pub enum Feature {
53    Multiprocess,
54}
gdbstub/protocol/commands/_qSupported.rs

gdbstub/protocol/commands/
_qSupported.rs
