diff --git a/.gitignore b/.gitignore index a5b0124..60f424a 100644 --- a/.gitignore +++ b/.gitignore @@ -22,7 +22,15 @@ *.a *.lib -# Executables -*.exe -*.out -*.app +# Executables +*.exe +*.out +*.app + +# Node.js dependencies +node_modules/ +package-lock.json + +# Build directories +build/ +gcc/ diff --git a/include/factory.h b/include/factory.h index e32443e..8eb40a3 100644 --- a/include/factory.h +++ b/include/factory.h @@ -5,15 +5,22 @@ #ifndef _FACTORY_H_ #define _FACTORY_H_ -#include +#include +#include #include namespace dp14 { -template -class factory_registrator; - -template +template +class factory_registrator; + +/** + * Factory pattern implementation with type registration + * + * WARNING: This class is NOT thread-safe. External synchronization + * is required for concurrent access. + */ +template class factory; namespace detail { @@ -62,9 +69,9 @@ class factory key_impl keyimpl = get_key(); auto it = _map_registrators.find(keyimpl); if (it != _map_registrators.end()) - { - std::cout << "Already registered key " << keyimpl << std::endl; - throw std::exception(); + { + std::cout << "Already registered key " << keyimpl << std::endl; + throw std::runtime_error("Key already registered in factory"); } else { @@ -81,10 +88,10 @@ class factory { _map_registrators.erase(get_key()); } - else - { - std::cout << "Already unregistered key " << keyimpl << std::endl; - throw std::exception(); + else + { + std::cout << "Already unregistered key " << keyimpl << std::endl; + throw std::runtime_error("Key already unregistered in factory"); } } @@ -114,9 +121,9 @@ class factory { auto it = _map_registrators.find(keyimpl); if (it == _map_registrators.end()) - { - std::cout << "Can't found key in map: " << keyimpl << std::endl; - throw std::exception(); + { + std::cout << "Can't found key in map: " << keyimpl << std::endl; + throw std::runtime_error("Key not found in factory registry"); } return (it->second)(std::forward(data)...); } @@ -149,9 +156,14 @@ class factory_registrator return std::make_unique(std::forward(data)...); } - ~factory_registrator() - { - _f.template unregister_type(); + ~factory_registrator() + { + try { + _f.template unregister_type(); + } catch (...) { + // Destructors should not throw exceptions + // Log error or handle silently + } } protected: diff --git a/include/memoize.h b/include/memoize.h index faff575..7e18e45 100644 --- a/include/memoize.h +++ b/include/memoize.h @@ -1,14 +1,21 @@ -#ifndef _MEMOIZE_H_ -#define _MEMOIZE_H_ - +#ifndef _MEMOIZE_H_ +#define _MEMOIZE_H_ + +#include #include namespace dp14 { -template -class memoize_registrator; - -template +template +class memoize_registrator; + +/** + * Memoize pattern implementation with caching and type registration + * + * WARNING: This class is NOT thread-safe. External synchronization + * is required for concurrent access. + */ +template class memoize; namespace detail { @@ -68,9 +75,9 @@ class memoize key_impl keyimpl = get_key(); auto it = _map_registrators.find(keyimpl); if (it != _map_registrators.end()) - { - std::cout << "Already registered key " << keyimpl << std::endl; - throw std::exception(); + { + std::cout << "Already registered key " << keyimpl << std::endl; + throw std::runtime_error("Key already registered in memoize"); } else { @@ -87,10 +94,10 @@ class memoize { _map_registrators.erase(get_key()); } - else - { - std::cout << "Already unregistered key " << keyimpl << std::endl; - throw std::exception(); + else + { + std::cout << "Already unregistered key " << keyimpl << std::endl; + throw std::runtime_error("Key already unregistered in memoize"); } } @@ -107,37 +114,43 @@ class memoize return exists(get_key(), std::forward(data)...); } - template - std::shared_ptr get(TYPE_KEY keyimpl_str, Args&&... data) const - { - auto keyimpl = detail::memoize::get_hash(keyimpl_str); - key_cache key = get_base_hash(keyimpl, std::forward(data)...); - auto obj = _get(keyimpl, key, std::forward(data)...); - _map_cache_shared.emplace(key, obj); - return obj; + template + std::shared_ptr get(TYPE_KEY keyimpl_str, Args&&... data) const + { + auto keyimpl = detail::memoize::get_hash(keyimpl_str); + key_cache key = get_base_hash(keyimpl, std::forward(data)...); + auto obj = _get(keyimpl, key, std::forward(data)...); + // Only add to shared cache if not already present to avoid unnecessary entries + _map_cache_shared.emplace(key, obj); // emplace won't insert if key already exists + return obj; } - template - auto execute(TYPE_KEY keyimpl_str, Args&&... data) const - { - auto keyimpl = detail::memoize::get_hash(keyimpl_str); - key_cache key = get_base_hash(keyimpl, std::forward(data)...); - auto code = _get(keyimpl, key, std::forward(data)...); - _map_cache_shared.emplace(key, code); - return code->get(); - } - - template - void clear(TYPE_KEY keyimpl_str, Args&&... data) const - { - auto keyimpl = detail::memoize::get_hash(keyimpl_str); - key_cache key = get_base_hash(keyimpl, std::forward(data)...); - _map_cache_shared.erase(key); + template + auto execute(TYPE_KEY keyimpl_str, Args&&... data) const + { + auto keyimpl = detail::memoize::get_hash(keyimpl_str); + key_cache key = get_base_hash(keyimpl, std::forward(data)...); + auto code = _get(keyimpl, key, std::forward(data)...); + // Only add to shared cache if not already present to avoid unnecessary entries + _map_cache_shared.emplace(key, code); // emplace won't insert if key already exists + return code->get(); } - void clear() const - { - _map_cache_shared.clear(); + template + void clear(TYPE_KEY keyimpl_str, Args&&... data) const + { + auto keyimpl = detail::memoize::get_hash(keyimpl_str); + key_cache key = get_base_hash(keyimpl, std::forward(data)...); + // Clear from both caches for consistency + _map_cache.erase(key); + _map_cache_shared.erase(key); + } + + void clear() const + { + // Clear both caches + _map_cache.clear(); + _map_cache_shared.clear(); } template @@ -163,9 +176,9 @@ class memoize auto itc = _map_registrators.find(keyimpl); if (itc == _map_registrators.end()) - { - std::cout << "Can't found key in map: " << key << std::endl; - throw std::exception(); + { + std::cout << "Can't found key in map: " << key << std::endl; + throw std::runtime_error("Key not found in memoize registry"); } std::shared_ptr new_product = (itc->second)(std::forward(data)...); @@ -184,25 +197,26 @@ class memoize return _exists(keyimpl, std::forward(data)...) != _map_cache.end(); } - cache_iterator _exists(const key_impl& keyimpl, Args&&... data) const - { - key_cache key = get_base_hash(keyimpl, std::forward(data)...); - cache_iterator it = _map_cache.find(key); - cache_iterator ite = _map_cache.end(); - if (it != ite) - { - // pointer cached can be dangled - if (!it->second.expired()) - { - return it; - } - else - { - // remove expired dangled pointer - _map_cache.erase(key); - } - } - return ite; + cache_iterator _exists(const key_impl& keyimpl, Args&&... data) const + { + key_cache key = get_base_hash(keyimpl, std::forward(data)...); + cache_iterator it = _map_cache.find(key); + cache_iterator ite = _map_cache.end(); + if (it != ite) + { + // pointer cached can be dangled + if (!it->second.expired()) + { + return it; + } + else + { + // remove expired dangled pointer + // Note: This modifies mutable _map_cache which is allowed in const methods + _map_cache.erase(key); + } + } + return ite; } protected: @@ -235,9 +249,14 @@ class memoize_registrator return std::make_shared(std::forward(data)...); } - ~memoize_registrator() - { - _m.template unregister_type(); + ~memoize_registrator() + { + try { + _m.template unregister_type(); + } catch (...) { + // Destructors should not throw exceptions + // Log error or handle silently + } } protected: diff --git a/package-lock.json b/package-lock.json 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