Struct JsonEmitter 

pub struct JsonEmitter { /* private fields */ }

Diagnostic emitter that emits diagnostics as JSON.

Implementations

impl JsonEmitter

pub fn new( writer: Box<dyn Write + Send>, source_map: Arc<SourceMap>, ) -> JsonEmitter

Creates a new JsonEmitter that writes to given writer.

pub fn pretty(self, pretty: bool) -> JsonEmitter

Sets whether to pretty print the JSON.

pub fn rustc_like(self, yes: bool) -> JsonEmitter

Sets whether to emit diagnostics in a format that is compatible with rustc.

Mainly used in UI testing.

pub fn ui_testing(self, yes: bool) -> JsonEmitter

Sets whether to emit diagnostics in a way that is suitable for UI testing.

pub fn human_kind(self, kind: HumanEmitterKind) -> JsonEmitter

Sets the human emitter kind for rendered messages.

pub fn terminal_width(self, width: Option<usize>) -> JsonEmitter

Sets the terminal width for formatting.

Trait Implementations

impl Emitter for JsonEmitter

fn emit_diagnostic(&mut self, diagnostic: &mut Diag)

Emits a diagnostic.

fn source_map(&self) -> Option<&Arc<SourceMap>>

Returns a reference to the source map, if any.

fn supports_color(&self) -> bool

Returns true if we can use colors in the current output stream.

fn primary_span_formatted<'a>( &self, primary_span: &mut Cow<'a, MultiSpan>, suggestions: &mut Suggestions, )

Formats the substitutions of the primary_span