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//! This implementation uses self-written stable facilities.

use crate::{
    abort_now, check_correctness,
    diagnostic::{Diagnostic, Level},
};
use std::cell::RefCell;

pub fn abort_if_dirty() {
    check_correctness();
    ERR_STORAGE.with(|storage| {
        if !storage.borrow().is_empty() {
            abort_now()
        }
    });
}

pub(crate) fn cleanup() -> Vec<Diagnostic> {
    ERR_STORAGE.with(|storage| storage.replace(Vec::new()))
}

pub(crate) fn emit_diagnostic(diag: Diagnostic) {
    if diag.level == Level::Error {
        ERR_STORAGE.with(|storage| storage.borrow_mut().push(diag));
    }
}

thread_local! {
    static ERR_STORAGE: RefCell<Vec<Diagnostic>> = RefCell::new(Vec::new());
}