Function getKernel

src/extraction/kernel/loader.ts:144–167

()

 * `kernelAvailable()` / `tryKernelExtract()` which check it per call.
 */
export function getKernel(): KernelModule | null {
  if (cached !== undefined) return cached;
  cached = null;
  for (const candidate of candidatePaths()) {
    try {
      if (!fs.existsSync(candidate)) continue;
      // createRequire: works identically from CJS output and future ESM.
      const req = createRequire(__filename);
      const mod = req(candidate) as KernelModule;
      if (typeof mod.extractFile !== 'function' || typeof mod.contractInfo !== 'function') {
        debug(`${candidate}: missing expected exports — ignoring`);
        continue;
      }
      if (!verifyContract(mod, candidate)) continue;
      kernelLanguages = new Set(mod.contractInfo().languages);
      debug(`loaded ${candidate} (languages: ${[...kernelLanguages].join(', ')})`);
      cached = mod;
      break;
    } catch (err) {
      debug(`${candidate}: failed to load — ${err instanceof Error ? err.message : String(err)}`);
    }
  }
  return cached;
}

/** True when the kill switch is off, a verified binary is loaded, and it supports `language`. */
export function kernelSupports(language: string): boolean {