Method emit

cranelift/isle/isle/src/error.rs:169–193

(
        &self,
        f: &mut std::fmt::Formatter,
        diagnostics: Vec<Diagnostic<usize>>,
    )

    #[cfg(feature = "fancy-errors")]
    fn emit(
        &self,
        f: &mut std::fmt::Formatter,
        diagnostics: Vec<Diagnostic<usize>>,
    ) -> std::fmt::Result {
        use codespan_reporting::term::termcolor;
        let w = termcolor::BufferWriter::stderr(termcolor::ColorChoice::Auto);
        let mut b = w.buffer();
        let mut files = codespan_reporting::files::SimpleFiles::new();
        for (name, source) in self
            .files
            .file_names
            .iter()
            .zip(self.files.file_texts.iter())
        {
            files.add(name, source);
        }
        for diagnostic in diagnostics {
            codespan_reporting::term::emit(&mut b, &Default::default(), &files, &diagnostic)
                .map_err(|_| std::fmt::Error)?;
        }
        let b = b.into_inner();
        let b = std::str::from_utf8(&b).map_err(|_| std::fmt::Error)?;
        f.write_str(b)
    }

    #[cfg(not(feature = "fancy-errors"))]
    fn emit(