Function build_isle

cranelift/codegen/build.rs:152–189

(
    crate_dir: &std::path::Path,
    isle_dir: &std::path::Path,
)

}

fn build_isle(
    crate_dir: &std::path::Path,
    isle_dir: &std::path::Path,
) -> Result<(), Box<dyn std::error::Error + 'static>> {
    let cur_dir = std::env::current_dir()?;
    let isle_compilations = meta::isle::get_isle_compilations(
        &make_isle_source_path_relative(&cur_dir, &crate_dir),
        &make_isle_source_path_relative(&cur_dir, &isle_dir),
    );

    let mut had_error = false;
    for compilation in &isle_compilations.items {
        for file in &compilation.inputs {
            println!("cargo:rerun-if-changed={}", file.display());
        }

        if let Err(e) = run_compilation(compilation) {
            had_error = true;
            eprintln!("Error building ISLE files:");
            eprintln!("{e:?}");
            #[cfg(not(feature = "isle-errors"))]
            {
                eprintln!("To see a more detailed error report, run: ");
                eprintln!();
                eprintln!("    $ cargo check -p cranelift-codegen --features isle-errors");
                eprintln!();
            }
        }
    }

    if had_error {
        std::process::exit(1);
    }

    println!("cargo:rustc-env=ISLE_DIR={}", isle_dir.to_str().unwrap());

    Ok(())
}

/// Build ISLE DSL source text into generated Rust code.
///