Function run

cranelift/filetests/src/runone.rs:22–99

Load `path` and run the test in it. If running this test causes a panic, it will propagate as normal.

(
    path: &Path,
    passes: Option<&[String]>,
    target: Option<&str>,
)

///
/// If running this test causes a panic, it will propagate as normal.
pub fn run(
    path: &Path,
    passes: Option<&[String]>,
    target: Option<&str>,
) -> anyhow::Result<time::Duration> {
    let _tt = timing::process_file();
    info!("---\nFile: {}", path.to_string_lossy());
    let started = time::Instant::now();
    let buffer =
        fs::read_to_string(path).with_context(|| format!("failed to read {}", path.display()))?;

    let options = ParseOptions {
        target,
        passes,
        machine_code_cfg_info: true,
        ..ParseOptions::default()
    };

    let testfile = match parse_test(&buffer, options) {
        Ok(testfile) => testfile,
        Err(e) => {
            if e.is_warning {
                log::warn!(
                    "skipping test {:?} (line {}): {}",
                    path,
                    e.location.line_number,
                    e.message
                );
                return Ok(started.elapsed());
            }
            return Err(e).context(format!("failed to parse {}", path.display()));
        }
    };

    if testfile.functions.is_empty() {
        anyhow::bail!("no functions found");
    }

    // Parse the test commands.
    let mut tests = testfile
        .commands
        .iter()
        .map(new_subtest)
        .collect::<anyhow::Result<Vec<_>>>()?;

    // Flags to use for those tests that don't need an ISA.
    // This is the cumulative effect of all the `set` commands in the file.
    let flags = match testfile.isa_spec {
        IsaSpec::None(ref f) => f,
        IsaSpec::Some(ref v) => v.last().expect("Empty ISA list").flags(),
    };

    // Sort the tests so the mutators are at the end, and those that don't need the verifier are at
    // the front.
    tests.sort_by_key(|st| (st.is_mutating(), st.needs_verifier()));

    // Expand the tests into (test, flags, isa) tuples.
    let tuples = test_tuples(&tests, &testfile.isa_spec, flags)?;