abyss-core 0.5.0

Core language primitives for the AbySS scripting language: AST, chumsky-based parser, static analysis, and formatter. Shared between the CLI interpreter and editor tooling.
Documentation 
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use abyss_core::parser::{ParserDiagnostic, SimpleSpan, emit_diagnostics, parse};

#[test]
fn parse_reports_unexpected_token_with_help() {
    let outcome = parse(
        r#"
forge hero: arcana = ;
"#,
    );

    assert!(
        !outcome.diagnostics.is_empty(),
        "expected parser diagnostics, got none"
    );

    let diag = &outcome.diagnostics[0];
    assert_eq!(diag.title, "Spell error: Incantation failed");
    assert!(diag.label.starts_with("Unexpected token"));
    assert!(
        diag.help
            .as_ref()
            .is_some_and(|msg| msg.contains("Perhaps you meant one of:")),
        "expected helpful suggestion, got {:?}",
        diag.help
    );
}

#[test]
fn emit_diagnostics_prints_reports() {
    let diagnostics = vec![ParserDiagnostic {
        title: "Test error".into(),
        label: "Something went wrong".into(),
        span: SimpleSpan::new(0, 1),
        help: Some("Try adding a semicolon".into()),
    }];

    emit_diagnostics("<test>", "artifact Foo {};", &diagnostics)
        .expect("ariadne should print diagnostics successfully");
}