Function updatePackageMap

src/machine.cpp:3562–3611

}

void updatePackageMap(Thread* t, GcClass* class_)
{
  PROTECT(t, class_);

  if (roots(t)->packageMap() == 0) {
    GcHashMap* map = makeHashMap(t, 0, 0);
    // sequence point, for gc (don't recombine statements)
    roots(t)->setPackageMap(t, map);
  }

  GcByteArray* className = class_->name();
  if ('[' != className->body()[0]) {
    THREAD_RUNTIME_ARRAY(t, char, packageName, className->length());

    char* s = reinterpret_cast<char*>(className->body().begin());
    char* p = strrchr(s, '/');

    if (p) {
      int length = (p - s) + 1;
      memcpy(
          RUNTIME_ARRAY_BODY(packageName), className->body().begin(), length);
      RUNTIME_ARRAY_BODY(packageName)[length] = 0;

      GcByteArray* key
          = vm::makeByteArray(t, "%s", RUNTIME_ARRAY_BODY(packageName));
      PROTECT(t, key);

      hashMapRemove(
          t, roots(t)->packageMap(), key, byteArrayHash, byteArrayEqual);

      GcByteArray* source = class_->source();
      if (source) {
        // note that we strip the "file:" prefix, since OpenJDK's
        // Package.defineSystemPackage expects an unadorned filename:
        const unsigned PrefixLength = 5;
        unsigned sourceNameLength = source->length() - PrefixLength;
        THREAD_RUNTIME_ARRAY(t, char, sourceName, sourceNameLength);
        memcpy(RUNTIME_ARRAY_BODY(sourceName),
               &source->body()[PrefixLength],
               sourceNameLength);

        source = vm::makeByteArray(t, "%s", RUNTIME_ARRAY_BODY(sourceName));
      } else {
        source = vm::makeByteArray(t, "avian-dummy-package-source");
      }

      hashMapInsert(t, roots(t)->packageMap(), key, source, byteArrayHash);
    }
  }
}

}  // namespace