blues_lsp/lsp/
error.rs

1use std::{
2    error::Error,
3    fmt::{Debug, Display},
4};
5
6use lsp_server::{ErrorCode, ExtractError};
7
8pub trait AsLspError: std::error::Error {
9    fn code(&self) -> ErrorCode {
10        ErrorCode::UnknownErrorCode
11    }
12}
13
14pub struct LspError(Box<dyn AsLspError>);
15
16impl LspError {
17    pub fn code(&self) -> ErrorCode {
18        self.0.code()
19    }
20}
21
22impl Debug for LspError {
23    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
24        Debug::fmt(&self.0, f)
25    }
26}
27
28impl Display for LspError {
29    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
30        Display::fmt(&self.0, f)
31    }
32}
33
34impl Error for LspError {}
35
36impl<T: AsLspError + 'static> From<T> for LspError {
37    fn from(value: T) -> Self {
38        Self(Box::new(value))
39    }
40}
41
42pub type LspResult<T> = std::result::Result<T, LspError>;
43
44impl AsLspError for ExtractError<lsp_server::Request> {
45    fn code(&self) -> ErrorCode {
46        match self {
47            ExtractError::MethodMismatch(_) => ErrorCode::InternalError,
48            ExtractError::JsonError { .. } => ErrorCode::InvalidParams,
49        }
50    }
51}
52
53impl AsLspError for serde_json::Error {
54    fn code(&self) -> ErrorCode {
55        ErrorCode::InternalError
56    }
57}
58
59pub struct LspErrorString(pub String, pub ErrorCode);
60
61impl AsLspError for LspErrorString {
62    fn code(&self) -> ErrorCode {
63        self.1
64    }
65}
66
67impl Error for LspErrorString {}
68
69impl Debug for LspErrorString {
70    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
71        Debug::fmt(&self.0, f)
72    }
73}
74
75impl Display for LspErrorString {
76    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
77        Debug::fmt(&self.0, f)
78    }
79}
blues_lsp/lsp/error.rs

blues_lsp/lsp/
error.rs
