eww/examples/errors.rs
2021-07-03 21:21:23 +02:00

23 lines
822 B
Rust

use eww_config::{config::*, 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);
match ast {
Ok(ast) => {
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();
}
Err(err) => eprintln!("{}", err),
}
}