Crate ariadne[−][src]

Expand description

A fancy compiler diagnostics crate.

Example

Features

Inline and multi-line labels capable of handling arbitrary configurations of spans
Multi-file errors
Generic across custom spans and file caches
A choice of character sets to ensure compatibility
Coloured labels & highlighting with 256-color support (thanks to yansi)
Label priority and ordering
Compact mode for smaller diagnostics
Correct handling of variable-width characters such as tabs
A plethora of other options (tab width, label attach points, underlines, etc.)

use ariadne::{Report, ReportKind, Label, Source};

Report::build(ReportKind::Error, (), 34)
    .with_message("Incompatible types")
    .with_label(Label::new(32..33).with_message("This is of type Nat"))
    .with_label(Label::new(42..45).with_message("This is of type Str"))
    .finish()
    .print(Source::from(include_str!("../examples/sample.tao")))
    .unwrap();