eww/examples/errors.rs
2021-07-03 20:25:50 +02:00

18 lines
696 B
Rust

use eww_config::{config::*, error, expr::*, parser};
fn main() {
let parser = parser::ExprParser::new();
let mut files = codespan_reporting::files::SimpleFiles::new();
let input = "(12 :bar 22 (foo) (baz))";
let file_id = files.add("foo.eww", input);
let ast = parser.parse(file_id, input).unwrap();
let element: Result<Element<Expr, Expr>, _> = Element::from_expr(ast);
let err = element.unwrap_err();
let diag = err.pretty_diagnostic(&files);
use codespan_reporting::term;
let mut writer = term::termcolor::StandardStream::stderr(term::termcolor::ColorChoice::Always);
term::emit(&mut writer, &term::Config::default(), &files, &diag).unwrap();
}