llm-ls/crates/lsp-client/src/error.rs
2023-11-06 21:26:37 +01:00

96 lines
2.5 KiB
Rust

use std::fmt;
use std::io;
use tokio::sync::oneshot::error::RecvError;
use crate::msg::ResponseError;
#[derive(Debug, Clone, PartialEq)]
pub struct ProtocolError(pub(crate) String);
impl std::error::Error for ProtocolError {}
impl fmt::Display for ProtocolError {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
fmt::Display::fmt(&self.0, f)
}
}
#[derive(Debug)]
pub enum ExtractError {
/// The extracted message was of a different method than expected.
MethodMismatch(String, String),
/// Failed to deserialize the message.
JsonError {
msg_type: String,
method: Option<String>,
error: serde_json::Error,
},
/// Server responded with an Error
ResponseError { error: ResponseError },
}
impl std::error::Error for ExtractError {}
impl fmt::Display for ExtractError {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
ExtractError::MethodMismatch(asked, req_method) => {
write!(
f,
"Method mismatch for request, extract for '{}' != request method '{}'",
asked, req_method
)
}
ExtractError::JsonError {
msg_type,
method,
error,
} => {
let method = if let Some(method) = method {
method.clone()
} else {
"None".to_owned()
};
write!(f, "Invalid message body\nMessage type: {msg_type}\nMethod: {method}\n error: {error}",)
}
ExtractError::ResponseError { error } => {
write!(f, "Server answered with an error message\n error: {error}",)
}
}
}
}
#[derive(Debug)]
pub enum Error {
ChannelClosed(RecvError),
Io(io::Error),
MissingBinaryPath,
}
impl std::error::Error for Error {}
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
Error::ChannelClosed(e) => write!(f, "Channel closed: {}", e),
Error::Io(e) => write!(f, "IO error: {}", e),
Error::MissingBinaryPath => write!(f, "Missing binary path"),
}
}
}
impl From<RecvError> for Error {
fn from(value: RecvError) -> Self {
Self::ChannelClosed(value)
}
}
impl From<io::Error> for Error {
fn from(value: io::Error) -> Self {
Self::Io(value)
}
}
pub type Result<T> = std::result::Result<T, Error>;