Function looksLikeCudaSource

src/extraction/languages/c-cpp.ts:750–757

Strong content markers for CUDA source in files without a CUDA extension * (headers). The dunders are execution-space specifiers that only nvcc defines; * `cudaStream_t` is the runtime's stream handle, pervasive in launcher headers * that themselves declare no kernel. Deliberately excludes weak m

(source: string)

 * that themselves declare no kernel. Deliberately excludes weak markers (`dim3`,
 * `<<<`) that could plausibly appear in non-CUDA text. */
function looksLikeCudaSource(source: string): boolean {
  return (
    source.indexOf('__global__') !== -1 ||
    source.indexOf('__device__') !== -1 ||
    source.indexOf('__constant__') !== -1 ||
    source.indexOf('cudaStream_t') !== -1
  );
}

/**
 * Restore preprocessor-directive lines to their original bytes after the