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Add more data into LSP header parsing error contexts (#7282)

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Follow-up of https://github.com/zed-industries/zed/pull/6929 

Release Notes:

- N/A
This commit is contained in:
Kirill Bulatov 2024-02-02 18:04:23 +02:00 committed by GitHub
parent 33e5ba6278
commit bacb2a266a
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GPG Key ID: B5690EEEBB952194
1 changed files with 17 additions and 15 deletions
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28
crates/lsp/src/lsp.rs
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@ -336,38 +336,40 @@ impl LanguageServer {
let message_len: usize = segments
.next()
.context("unable to find the first line of the LSP message header")?
.with_context(|| {
format!("unable to find the first line of the LSP message header `{header}`")
})?
.strip_prefix(CONTENT_LEN_HEADER)
.context("invalid LSP message header")?
.with_context(|| format!("invalid LSP message header `{header}`"))?
.parse()
.with_context(|| {
format!(
"failed to parse Content-Length of LSP message header: {}",
header
)
format!("failed to parse Content-Length of LSP message header: `{header}`")
})?;
if let Some(second_segment) = segments.next() {
match second_segment {
"" => (), // Header end
header_field if header_field.starts_with("Content-Type:") => {
header_field => {
if header_field.starts_with("Content-Type:") {
stdout.read_until(b'\n', &mut buffer).await?;
}
_ => {
} else {
anyhow::bail!(
"expected a Content-Type header field or a header ending CRLF, got {second_segment:?}"
);
"inside `{header}`, expected a Content-Type header field or a header ending CRLF, got `{second_segment:?}`"
)
}
}
}
} else {
anyhow::bail!("unable to find the second line of the LSP message header");
anyhow::bail!(
"unable to find the second line of the LSP message header `{header}`"
);
}
buffer.resize(message_len, 0);
stdout.read_exact(&mut buffer).await?;
if let Ok(message) = str::from_utf8(&buffer) {
log::trace!("incoming message: {}", message);
log::trace!("incoming message: {message}");
for handler in io_handlers.lock().values_mut() {
handler(IoKind::StdOut, message);
}