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use std::{fmt::Display, hash::Hash};
use serde::{Serialize, Deserialize};
use super::Handle;
use crate::utils::string_intern;
#[derive(Debug, Clone, Default, PartialEq, Eq)]
#[derive(Serialize, Deserialize)]
pub struct Location {
pub path: Handle<String>,
pub line: usize,
pub colum: usize,
pub pos: usize,
}
impl Location {
pub fn new(path: Handle<String>, line: usize, colum: usize, pos: usize) -> Self {
Self { path, line, colum, pos }
}
}
#[derive(Debug, Clone, Eq)]
#[derive(Serialize, Deserialize)]
pub struct Symbol (pub Handle<String>, pub Location);
impl Symbol {
pub fn new(i: &str) -> Self {
Symbol (string_intern(i), Location::default())
}
pub fn from(i: &str, pos: &Location) -> Self {
Symbol (string_intern(i), pos.clone())
}
}
impl PartialEq for Symbol {
fn eq(&self, other: &Self) -> bool {
self.0 == other.0
}
}
impl Display for Symbol {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
std::fmt::Display::fmt(&self.0, f)
}
}
impl Hash for Symbol {
fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
self.0.hash(state);
}
}
unsafe impl Sync for Symbol {}
unsafe impl Send for Symbol {}