Files
tubestation/servo/components/style/errors.rs
Jack Moffitt 132ee35633 servo: Merge #3230 - Cargoify servo (from servo:cargoify)
Source-Repo: https://github.com/servo/servo
Source-Revision: b1305bb7d051f83850c51bb0da0ccc86a5e07922
2014-09-09 08:18:18 -06:00

33 lines
1.1 KiB
Rust

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use cssparser::ast::{SyntaxError, SourceLocation};
pub struct ErrorLoggerIterator<I>(pub I);
impl<T, I: Iterator<Result<T, SyntaxError>>> Iterator<T> for ErrorLoggerIterator<I> {
fn next(&mut self) -> Option<T> {
let ErrorLoggerIterator(ref mut this) = *self;
loop {
match this.next() {
Some(Ok(v)) => return Some(v),
Some(Err(error)) => log_css_error(error.location,
format!("{:?}", error.reason).as_slice()),
None => return None,
}
}
}
}
/// Defaults to a no-op.
/// Set a `RUST_LOG=style::errors` environment variable
/// to log CSS parse errors to stderr.
pub fn log_css_error(location: SourceLocation, message: &str) {
// TODO eventually this will got into a "web console" or something.
info!("{:u}:{:u} {:s}", location.line, location.column, message)
}