// Copyright 2019 Jeremy Wall
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
use std::convert::From;

use crate::ast::Position;

#[derive(Debug)]
pub struct Error {
    message: String,
    pos: Option<Position>,
}

impl Error {
    pub fn new(msg: String, pos: Position) -> Self {
        Self {
            message: msg,
            pos: Some(pos),
        }
    }
}

impl<E> From<E> for Error
where
    E: std::error::Error + Sized,
{
    fn from(e: E) -> Self {
        Error {
            message: e.description().to_owned(),
            pos: None,
        }
    }
}