amvm 0.1.0

Apika's My Virtual Machine. A virtual machine with Intermediate Lenguage
Documentation 
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use std::error::Error;
use std::fmt;

#[derive(Debug)]
pub struct Aml3Error {
    pub description: String,
    pub at: usize,
    pub context: String,
    pub line: usize,
    pub column: usize,
}

impl fmt::Display for Aml3Error {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        f.write_fmt(format_args!(
            "{desc}\n {line} | {ctx}\n {dots} | {arrow}^\n     at {line}:{column}",
            desc = self.description,
            line = self.line + 1,
            column = self.column + 1,
            ctx = self.context,
            dots = ".".repeat(self.line.to_string().len()),
            arrow = "-".repeat(self.column)
        ))
    }
}

impl Error for Aml3Error {}