Struct PrettyEmitter

pub struct PrettyEmitter { /* private fields */ }

Implementations

impl PrettyEmitter

pub fn new( cm: Lrc<SourceMap>, wr: Box<dyn Write + Send + Sync>, reporter: GraphicalReportHandler, config: PrettyEmitterConfig, ) -> Self

Examples found in repository

examples/swc_try.rs (lines 16-23)

fn main() {
    let cm = Lrc::<SourceMap>::default();

    let wr = Box::<LockedWriter>::default();

    let emitter = PrettyEmitter::new(
        cm.clone(),
        wr.clone(),
        GraphicalReportHandler::new().with_context_lines(3),
        PrettyEmitterConfig {
            skip_filename: false,
        },
    );
    // let e_wr = EmitterWriter::new(wr.clone(), Some(cm), false,
    // true).skip_filename(skip_filename);
    let handler = Handler::with_emitter(true, false, Box::new(emitter));

    let fm1 = cm.new_source_file(
        Lrc::new(FileName::Custom("foo.js".into())),
        "13579\n12345\n13579".into(),
    );
    let fm2 = cm.new_source_file(
        Lrc::new(FileName::Custom("bar.js".into())),
        "02468\n12345\n02468".into(),
    );

    // This is a simple example.
    handler
        .struct_span_err(span(&fm1, 0, 3), "simple message")
        .emit();

    // We can show other file.
    // This can be used to show configurable error with the config.

    handler
        .struct_span_err(span(&fm1, 6, 9), "constraint violation")
        .span_note(span(&fm2, 0, 1), "this is your config")
        .emit();

    let s = &**wr.0.lock().unwrap();

    println!("{}", s);
}

Trait Implementations

impl Emitter for PrettyEmitter

fn emit(&mut self, db: &DiagnosticBuilder<'_>)

Emit a structured diagnostic.

fn should_show_explain(&self) -> bool

Check if should show explanations about “rustc –explain”