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use core::error::Error;
use std::fmt;
use crate::position::*;
#[derive(Debug)]
pub struct CrimError {
position: Position,
what: String,
}
impl CrimError {
pub fn parse( position: Position, what: String ) -> Self {
Self {
position,
what,
}
}
pub fn other(what: String) -> Self {
Self {
position: Position::none(),
what,
}
}
pub fn eos( context: &str ) -> Self {
Self {
position: Position::none(),
what: format!("Premature end of stream while looking for {}", context),
}
}
pub fn what(&self) -> &str {
&self.what
}
pub fn start(&self) -> &Position {
&self.position
}
}
impl fmt::Display for CrimError {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "Error parsing input: {}", "yeah")
}
}
impl Error for CrimError { }
pub type CrimResult<T> = Result<T, CrimError>;
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