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use std::fmt::{Display, Formatter, Result};

#[derive(Debug, Clone)]
pub struct GrammarError {
    pub details: String,
    pub kind: GrammarErrorType,
}

impl GrammarError {
    pub fn new(data_details: &str, kind: GrammarErrorType) -> Self {
        GrammarError {
            details: data_details.into(),
            kind,
        }
    }
}

#[derive(Debug, Clone)]
pub enum GrammarErrorType {
    UnpackingError,
    LinkerError,
    PerVisibleConstraintError,
    NotYetInplemented,
}

impl Display for GrammarError {
    fn fmt(&self, f: &mut Formatter) -> Result {
        write!(f, "{:?} in ASN grammar: {}", self.kind, self.details)
    }
}