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Location: CSY/reowolf/src/runtime2/error.rs - annotation
4da95131e7f4
1.9 KiB
application/rls-services+xml
WIP on docs on inside-sync errors
113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 113e4349a706 | use std::fmt::{Write, Debug, Display, Formatter as FmtFormatter, Result as FmtResult};
/// Represents an unrecoverable runtime error that is reported to the user (for
/// debugging purposes). Basically a human-readable message with its source
/// location. The error is chainable.
pub struct RtError {
file: &'static str,
line: u32,
message: String,
cause: Option<Box<RtError>>,
}
impl RtError {
pub(crate) fn new(file: &'static str, line: u32, message: String) -> RtError {
return RtError {
file, line, message, cause: None,
}
}
pub(crate) fn wrap(self, file: &'static str, line: u32, message: String) -> RtError {
return RtError {
file, line, message, cause: Some(Box::new(self))
}
}
}
impl Display for RtError {
fn fmt(&self, f: &mut FmtFormatter<'_>) -> FmtResult {
let mut error = self;
loop {
write!(f, "[{}:{}] {}", self.file, self.line, self.message)?;
match &error.cause {
Some(cause) => {
writeln!(f, " ...")?;
error = cause.as_ref()
},
None => {
writeln!(f)?;
},
}
}
}
}
impl Debug for RtError {
fn fmt(&self, f: &mut FmtFormatter<'_>) -> FmtResult {
return (self as &dyn Display).fmt(f);
}
}
macro_rules! rt_error {
($fmt:expr) => {
$crate::runtime2::error::RtError::new(file!(), line!(), $fmt.to_string())
};
($fmt:expr, $($args:expr),*) => {
$crate::runtime2::error::RtError::new(file!(), line!(), format!($fmt, $($args),*))
};
}
macro_rules! rt_error_try {
($prev:expr, $($fmt_and_args:expr),*) => {
{
let result = $prev;
match result {
Ok(result) => result,
Err(result) => return Err(result.wrap(file!(), line!(), format!($($fmt_and_args),*))),
}
}
}
}
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