зеркало из https://github.com/mozilla/gecko-dev.git
41 строка
1.4 KiB
Rust
41 строка
1.4 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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//! Types used to report parsing errors.
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#![deny(missing_docs)]
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use cssparser::{Parser, SourcePosition};
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use log;
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/// A generic trait for an error reporter.
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pub trait ParseErrorReporter {
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/// Called the style engine detects an error.
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///
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/// Returns the current input being parsed, the source position it was
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/// reported from, and a message.
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fn report_error(&self, input: &mut Parser, position: SourcePosition, message: &str);
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/// Clone this error reporter.
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///
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/// TODO(emilio): I'm pretty sure all the box shenanigans can go away.
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fn clone(&self) -> Box<ParseErrorReporter + Send + Sync>;
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}
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/// An error reporter that reports the errors to the `info` log channel.
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///
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/// TODO(emilio): The name of this reporter is a lie, and should be renamed!
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pub struct StdoutErrorReporter;
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impl ParseErrorReporter for StdoutErrorReporter {
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fn report_error(&self, input: &mut Parser, position: SourcePosition, message: &str) {
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if log_enabled!(log::LogLevel::Info) {
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let location = input.source_location(position);
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info!("{}:{} {}", location.line, location.column, message)
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}
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}
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fn clone(&self) -> Box<ParseErrorReporter + Send + Sync> {
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Box::new(StdoutErrorReporter)
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}
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}
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