Function build_library

build.py:130–169

Builds the Java standard library shim.

()

        return False
    try:
        with zipfile.ZipFile(jar_path) as archive:
            return any(
                name.endswith(".class") and not name.startswith(Config.RUNTIME_CLASS_PREFIX)
                for name in archive.namelist()
            )
    except (OSError, zipfile.BadZipFile):
        return True

# --- Build Tasks (Replaces Makefile Targets) ---

def clean():
    """Cleans all generated files and build artifacts."""
    print(f"{Colors.CYAN}🧹 Cleaning all components...{Colors.RESET}")
    
    # Root cargo clean
    run_command(["cargo", "clean"], cwd=Config.ROOT_DIR)
    
    # Subproject cargo clean
    run_command(["cargo", "clean"], cwd=Config.JAVA_LINKER_DIR)
    run_command(["cargo", "clean"], cwd=Config.CARGO_JVM_DIR)

    # Remove specific files and directories
    for path in [
        Config.CONFIG_TOML, 
        Config.JVM_TARGET_JSON,
        Config.RUNTIME_DIR / "build"
    ]:
        try:
            if path.is_dir():
                shutil.rmtree(path)
            elif path.is_file():
                path.unlink()
        except FileNotFoundError:
            pass # It's already clean
    print(f"{Colors.GREEN}🧼 All clean!{Colors.RESET}")

def install_rust_components():
    """Installs required Rust nightly components."""
    print(f"{Colors.CYAN}🔧 Installing Rust components...{Colors.RESET}")
    run_command(
        ["rustup", "component", "add", "rustc-dev", "rust-src", "llvm-tools-preview"],
        cwd=Config.ROOT_DIR,
    )