FM / util

/usr/local/lib64/python3.6/site-packages/torch/include/c10/util/

/usr/local/lib64/python3.6/site-packages/torch/include/c10/util

Name	Size	Mode	Actions
accumulate.h	4205	0644	edit dl rm
AlignOf.h	4835	0644	edit dl rm
Array.h	11354	0644	edit dl rm
ArrayRef.h	9058	0644	edit dl rm
Backtrace.h	364	0644	edit dl rm
BFloat16-inl.h	9222	0644	edit dl rm
BFloat16-math.h	5217	0644	edit dl rm
BFloat16.h	2372	0644	edit dl rm
Bitset.h	3414	0644	edit dl rm
C++17.h	13329	0644	edit dl rm
complex.h	17542	0644	edit dl rm
complex_math.h	10902	0644	edit dl rm
complex_utils.h	958	0644	edit dl rm
ConstexprCrc.h	6633	0644	edit dl rm
copysign.h	866	0644	edit dl rm
DeadlockDetection.h	1920	0644	edit dl rm
Deprecated.h	3579	0644	edit dl rm
either.h	6423	0644	edit dl rm
env.h	835	0644	edit dl rm
Exception.h	24723	0644	edit dl rm
ExclusivelyOwned.h	4759	0644	edit dl rm
Flags.h	10056	0644	edit dl rm
flat_hash_map.h	61655	0644	edit dl rm
FunctionRef.h	2301	0644	edit dl rm
Half-inl.h	8674	0644	edit dl rm
Half.h	18965	0644	edit dl rm
hash.h	5084	0644	edit dl rm
IdWrapper.h	2348	0644	edit dl rm
intrusive_ptr.h	35563	0644	edit dl rm
in_place.h	350	0644	edit dl rm
irange.h	2679	0644	edit dl rm
LeftRight.h	6016	0644	edit dl rm
llvmMathExtras.h	29168	0644	edit dl rm
Logging.h	11256	0644	edit dl rm
logging_is_google_glog.h	2031	0644	edit dl rm
logging_is_not_google_glog.h	8271	0644	edit dl rm
MathConstants.h	858	0644	edit dl rm
math_compat.h	7296	0644	edit dl rm
MaybeOwned.h	6689	0644	edit dl rm
Metaprogramming.h	15288	0644	edit dl rm
numa.h	696	0644	edit dl rm
Optional.h	35592	0644	edit dl rm
order_preserving_flat_hash_map.h	65482	0644	edit dl rm
overloaded.h	709	0644	edit dl rm
python_stub.h	56	0644	edit dl rm
qint8.h	472	0644	edit dl rm
qint32.h	319	0644	edit dl rm
quint4x2.h	366	0644	edit dl rm
quint8.h	320	0644	edit dl rm
Registry.h	12242	0644	edit dl rm
reverse_iterator.h	8796	0644	edit dl rm
ScopeExit.h	1345	0644	edit dl rm
signal_handler.h	3154	0644	edit dl rm
SmallBuffer.h	1243	0644	edit dl rm
SmallVector.h	34456	0644	edit dl rm
sparse_bitset.h	26511	0644	edit dl rm
StringUtil.h	4538	0644	edit dl rm
string_utils.h	3989	0644	edit dl rm
string_view.h	20189	0644	edit dl rm
tempfile.h	6029	0644	edit dl rm
ThreadLocal.h	3883	0644	edit dl rm
ThreadLocalDebugInfo.h	2603	0644	edit dl rm
thread_name.h	148	0644	edit dl rm
Type.h	607	0644	edit dl rm
TypeCast.h	6972	0644	edit dl rm
typeid.h	18793	0644	edit dl rm
TypeIndex.h	5251	0644	edit dl rm
TypeList.h	16901	0644	edit dl rm
TypeTraits.h	5368	0644	edit dl rm
Unicode.h	295	0644	edit dl rm
UniqueVoidPtr.h	4117	0644	edit dl rm
Unroll.h	667	0644	edit dl rm
variant.h	95182	0644	edit dl rm
win32-headers.h	858	0644	edit dl rm

Edit: /usr/local/lib64/python3.6/site-packages/torch/include/c10/util/Registry.h (12242B)

#ifndef C10_UTIL_REGISTRY_H_
#define C10_UTIL_REGISTRY_H_

/**
 * Simple registry implementation that uses static variables to
 * register object creators during program initialization time.
 */

// NB: This Registry works poorly when you have other namespaces.
// Make all macro invocations from inside the at namespace.

#include <algorithm>
#include <cstdio>
#include <cstdlib>
#include <functional>
#include <memory>
#include <mutex>
#include <string>
#include <unordered_map>
#include <vector>

#include <c10/macros/Macros.h>
#include <c10/util/Type.h>

namespace c10 {

template <typename KeyType>
inline std::string KeyStrRepr(const KeyType& /*key*/) {
  return "[key type printing not supported]";
}

template <>
inline std::string KeyStrRepr(const std::string& key) {
  return key;
}

enum RegistryPriority {
  REGISTRY_FALLBACK = 1,
  REGISTRY_DEFAULT = 2,
  REGISTRY_PREFERRED = 3,
};

/**
 * @brief A template class that allows one to register classes by keys.
 *
 * The keys are usually a std::string specifying the name, but can be anything
 * that can be used in a std::map.
 *
 * You should most likely not use the Registry class explicitly, but use the
 * helper macros below to declare specific registries as well as registering
 * objects.
 */
template <class SrcType, class ObjectPtrType, class... Args>
class Registry {
 public:
  typedef std::function<ObjectPtrType(Args...)> Creator;

Registry(bool warning = true)
      : registry_(), priority_(), terminate_(true), warning_(warning) {}

void Register(
      const SrcType& key,
      Creator creator,
      const RegistryPriority priority = REGISTRY_DEFAULT) {
    std::lock_guard<std::mutex> lock(register_mutex_);
    // The if statement below is essentially the same as the following line:
    // CHECK_EQ(registry_.count(key), 0) << "Key " << key
    //                                   << " registered twice.";
    // However, CHECK_EQ depends on google logging, and since registration is
    // carried out at static initialization time, we do not want to have an
    // explicit dependency on glog's initialization function.
    if (registry_.count(key) != 0) {
      auto cur_priority = priority_[key];
      if (priority > cur_priority) {
#ifdef DEBUG
        std::string warn_msg =
            "Overwriting already registered item for key " + KeyStrRepr(key);
        fprintf(stderr, "%s\n", warn_msg.c_str());
#endif
        registry_[key] = creator;
        priority_[key] = priority;
      } else if (priority == cur_priority) {
        std::string err_msg =
            "Key already registered with the same priority: " + KeyStrRepr(key);
        fprintf(stderr, "%s\n", err_msg.c_str());
        if (terminate_) {
          std::exit(1);
        } else {
          throw std::runtime_error(err_msg);
        }
      } else if (warning_) {
        std::string warn_msg =
            "Higher priority item already registered, skipping registration of " +
            KeyStrRepr(key);
        fprintf(stderr, "%s\n", warn_msg.c_str());
      }
    } else {
      registry_[key] = creator;
      priority_[key] = priority;
    }
  }

void Register(
      const SrcType& key,
      Creator creator,
      const std::string& help_msg,
      const RegistryPriority priority = REGISTRY_DEFAULT) {
    Register(key, creator, priority);
    help_message_[key] = help_msg;
  }

inline bool Has(const SrcType& key) {
    return (registry_.count(key) != 0);
  }

ObjectPtrType Create(const SrcType& key, Args... args) {
    if (registry_.count(key) == 0) {
      // Returns nullptr if the key is not registered.
      return nullptr;
    }
    return registry_[key](args...);
  }

/**
   * Returns the keys currently registered as a std::vector.
   */
  std::vector<SrcType> Keys() const {
    std::vector<SrcType> keys;
    for (const auto& it : registry_) {
      keys.push_back(it.first);
    }
    return keys;
  }

inline const std::unordered_map<SrcType, std::string>& HelpMessage() const {
    return help_message_;
  }

const char* HelpMessage(const SrcType& key) const {
    auto it = help_message_.find(key);
    if (it == help_message_.end()) {
      return nullptr;
    }
    return it->second.c_str();
  }

// Used for testing, if terminate is unset, Registry throws instead of
  // calling std::exit
  void SetTerminate(bool terminate) {
    terminate_ = terminate;
  }

private:
  std::unordered_map<SrcType, Creator> registry_;
  std::unordered_map<SrcType, RegistryPriority> priority_;
  bool terminate_;
  const bool warning_;
  std::unordered_map<SrcType, std::string> help_message_;
  std::mutex register_mutex_;

C10_DISABLE_COPY_AND_ASSIGN(Registry);
};

template <class SrcType, class ObjectPtrType, class... Args>
class Registerer {
 public:
  explicit Registerer(
      const SrcType& key,
      Registry<SrcType, ObjectPtrType, Args...>* registry,
      typename Registry<SrcType, ObjectPtrType, Args...>::Creator creator,
      const std::string& help_msg = "") {
    registry->Register(key, creator, help_msg);
  }

explicit Registerer(
      const SrcType& key,
      const RegistryPriority priority,
      Registry<SrcType, ObjectPtrType, Args...>* registry,
      typename Registry<SrcType, ObjectPtrType, Args...>::Creator creator,
      const std::string& help_msg = "") {
    registry->Register(key, creator, help_msg, priority);
  }

template <class DerivedType>
  static ObjectPtrType DefaultCreator(Args... args) {
    return ObjectPtrType(new DerivedType(args...));
  }
};

/**
 * C10_DECLARE_TYPED_REGISTRY is a macro that expands to a function
 * declaration, as well as creating a convenient typename for its corresponding
 * registerer.
 */
// Note on C10_IMPORT and C10_EXPORT below: we need to explicitly mark DECLARE
// as import and DEFINE as export, because these registry macros will be used
// in downstream shared libraries as well, and one cannot use *_API - the API
// macro will be defined on a per-shared-library basis. Semantically, when one
// declares a typed registry it is always going to be IMPORT, and when one
// defines a registry (which should happen ONLY ONCE and ONLY IN SOURCE FILE),
// the instantiation unit is always going to be exported.
//
// The only unique condition is when in the same file one does DECLARE and
// DEFINE - in Windows compilers, this generates a warning that dllimport and
// dllexport are mixed, but the warning is fine and linker will be properly
// exporting the symbol. Same thing happens in the gflags flag declaration and
// definition caes.
#define C10_DECLARE_TYPED_REGISTRY(                                        \
    RegistryName, SrcType, ObjectType, PtrType, ...)                       \
  C10_IMPORT ::c10::Registry<SrcType, PtrType<ObjectType>, ##__VA_ARGS__>* \
  RegistryName();                                                          \
  typedef ::c10::Registerer<SrcType, PtrType<ObjectType>, ##__VA_ARGS__>   \
      Registerer##RegistryName

#define C10_DEFINE_TYPED_REGISTRY(                                         \
    RegistryName, SrcType, ObjectType, PtrType, ...)                       \
  C10_EXPORT ::c10::Registry<SrcType, PtrType<ObjectType>, ##__VA_ARGS__>* \
  RegistryName() {                                                         \
    static ::c10::Registry<SrcType, PtrType<ObjectType>, ##__VA_ARGS__>*   \
        registry = new ::c10::                                             \
            Registry<SrcType, PtrType<ObjectType>, ##__VA_ARGS__>();       \
    return registry;                                                       \
  }

#define C10_DEFINE_TYPED_REGISTRY_WITHOUT_WARNING(                            \
    RegistryName, SrcType, ObjectType, PtrType, ...)                          \
  C10_EXPORT ::c10::Registry<SrcType, PtrType<ObjectType>, ##__VA_ARGS__>*    \
  RegistryName() {                                                            \
    static ::c10::Registry<SrcType, PtrType<ObjectType>, ##__VA_ARGS__>*      \
        registry =                                                            \
            new ::c10::Registry<SrcType, PtrType<ObjectType>, ##__VA_ARGS__>( \
                false);                                                       \
    return registry;                                                          \
  }

// Note(Yangqing): The __VA_ARGS__ below allows one to specify a templated
// creator with comma in its templated arguments.
#define C10_REGISTER_TYPED_CREATOR(RegistryName, key, ...)                  \
  static Registerer##RegistryName C10_ANONYMOUS_VARIABLE(g_##RegistryName)( \
      key, RegistryName(), ##__VA_ARGS__);

#define C10_REGISTER_TYPED_CREATOR_WITH_PRIORITY(                           \
    RegistryName, key, priority, ...)                                       \
  static Registerer##RegistryName C10_ANONYMOUS_VARIABLE(g_##RegistryName)( \
      key, priority, RegistryName(), ##__VA_ARGS__);

#define C10_REGISTER_TYPED_CLASS(RegistryName, key, ...)                    \
  static Registerer##RegistryName C10_ANONYMOUS_VARIABLE(g_##RegistryName)( \
      key,                                                                  \
      RegistryName(),                                                       \
      Registerer##RegistryName::DefaultCreator<__VA_ARGS__>,                \
      ::c10::demangle_type<__VA_ARGS__>());

#define C10_REGISTER_TYPED_CLASS_WITH_PRIORITY(                             \
    RegistryName, key, priority, ...)                                       \
  static Registerer##RegistryName C10_ANONYMOUS_VARIABLE(g_##RegistryName)( \
      key,                                                                  \
      priority,                                                             \
      RegistryName(),                                                       \
      Registerer##RegistryName::DefaultCreator<__VA_ARGS__>,                \
      ::c10::demangle_type<__VA_ARGS__>());

// C10_DECLARE_REGISTRY and C10_DEFINE_REGISTRY are hard-wired to use
// std::string as the key type, because that is the most commonly used cases.
#define C10_DECLARE_REGISTRY(RegistryName, ObjectType, ...) \
  C10_DECLARE_TYPED_REGISTRY(                               \
      RegistryName, std::string, ObjectType, std::unique_ptr, ##__VA_ARGS__)

#define C10_DEFINE_REGISTRY(RegistryName, ObjectType, ...) \
  C10_DEFINE_TYPED_REGISTRY(                               \
      RegistryName, std::string, ObjectType, std::unique_ptr, ##__VA_ARGS__)

#define C10_DEFINE_REGISTRY_WITHOUT_WARNING(RegistryName, ObjectType, ...) \
  C10_DEFINE_TYPED_REGISTRY_WITHOUT_WARNING(                               \
      RegistryName, std::string, ObjectType, std::unique_ptr, ##__VA_ARGS__)

#define C10_DECLARE_SHARED_REGISTRY(RegistryName, ObjectType, ...) \
  C10_DECLARE_TYPED_REGISTRY(                                      \
      RegistryName, std::string, ObjectType, std::shared_ptr, ##__VA_ARGS__)

#define C10_DEFINE_SHARED_REGISTRY(RegistryName, ObjectType, ...) \
  C10_DEFINE_TYPED_REGISTRY(                                      \
      RegistryName, std::string, ObjectType, std::shared_ptr, ##__VA_ARGS__)

#define C10_DEFINE_SHARED_REGISTRY_WITHOUT_WARNING( \
    RegistryName, ObjectType, ...)                  \
  C10_DEFINE_TYPED_REGISTRY_WITHOUT_WARNING(        \
      RegistryName, std::string, ObjectType, std::shared_ptr, ##__VA_ARGS__)

// C10_REGISTER_CREATOR and C10_REGISTER_CLASS are hard-wired to use std::string
// as the key
// type, because that is the most commonly used cases.
#define C10_REGISTER_CREATOR(RegistryName, key, ...) \
  C10_REGISTER_TYPED_CREATOR(RegistryName, #key, __VA_ARGS__)

#define C10_REGISTER_CREATOR_WITH_PRIORITY(RegistryName, key, priority, ...) \
  C10_REGISTER_TYPED_CREATOR_WITH_PRIORITY(                                  \
      RegistryName, #key, priority, __VA_ARGS__)

#define C10_REGISTER_CLASS(RegistryName, key, ...) \
  C10_REGISTER_TYPED_CLASS(RegistryName, #key, __VA_ARGS__)

#define C10_REGISTER_CLASS_WITH_PRIORITY(RegistryName, key, priority, ...) \
  C10_REGISTER_TYPED_CLASS_WITH_PRIORITY(                                  \
      RegistryName, #key, priority, __VA_ARGS__)

} // namespace c10

#endif // C10_UTIL_REGISTRY_H_

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