diff options
Diffstat (limited to 'contrib/src/boost/type_index/stl_type_index.hpp')
| -rw-r--r-- | contrib/src/boost/type_index/stl_type_index.hpp | 544 |
1 files changed, 272 insertions, 272 deletions
diff --git a/contrib/src/boost/type_index/stl_type_index.hpp b/contrib/src/boost/type_index/stl_type_index.hpp index a5add88..bdd2173 100644 --- a/contrib/src/boost/type_index/stl_type_index.hpp +++ b/contrib/src/boost/type_index/stl_type_index.hpp @@ -1,272 +1,272 @@ -// -// Copyright (c) Antony Polukhin, 2013-2015. -// -// -// Distributed under the Boost Software License, Version 1.0. (See accompanying -// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) -// - -#ifndef BOOST_TYPE_INDEX_STL_TYPE_INDEX_HPP -#define BOOST_TYPE_INDEX_STL_TYPE_INDEX_HPP - -/// \file stl_type_index.hpp -/// \brief Contains boost::typeindex::stl_type_index class. -/// -/// boost::typeindex::stl_type_index class can be used as a drop-in replacement -/// for std::type_index. -/// -/// It is used in situations when RTTI is enabled or typeid() method is available. -/// When typeid() is disabled or BOOST_TYPE_INDEX_FORCE_NO_RTTI_COMPATIBILITY macro -/// is defined boost::typeindex::ctti is usually used instead of boost::typeindex::stl_type_index. - -#include <boost/type_index/type_index_facade.hpp> - -// MSVC is capable of calling typeid(T) even when RTTI is off -#if defined(BOOST_NO_RTTI) && !defined(BOOST_MSVC) -#error "File boost/type_index/stl_type_index.ipp is not usable when typeid() is not available." -#endif - -#include <typeinfo> -#include <cstring> // std::strcmp, std::strlen, std::strstr -#include <stdexcept> -#include <boost/static_assert.hpp> -#include <boost/throw_exception.hpp> -#include <boost/core/demangle.hpp> -#include <boost/type_traits/is_const.hpp> -#include <boost/type_traits/is_reference.hpp> -#include <boost/type_traits/is_volatile.hpp> -#include <boost/type_traits/remove_cv.hpp> -#include <boost/type_traits/remove_reference.hpp> -#include <boost/mpl/if.hpp> -#include <boost/mpl/or.hpp> - -#if (defined(__EDG_VERSION__) && __EDG_VERSION__ < 245) \ - || (defined(__sgi) && defined(_COMPILER_VERSION) && _COMPILER_VERSION <= 744) -# include <boost/type_traits/is_signed.hpp> -# include <boost/type_traits/make_signed.hpp> -# include <boost/mpl/identity.hpp> -#endif - -#ifdef BOOST_HAS_PRAGMA_ONCE -# pragma once -#endif - -namespace boost { namespace typeindex { - -/// \class stl_type_index -/// This class is a wrapper around std::type_info, that workarounds issues and provides -/// much more rich interface. \b For \b description \b of \b functions \b see type_index_facade. -/// -/// This class requires typeid() to work. For cases when RTTI is disabled see ctti_type_index. -class stl_type_index - : public type_index_facade< - stl_type_index, - #ifdef BOOST_NO_STD_TYPEINFO - type_info - #else - std::type_info - #endif - > -{ -public: -#ifdef BOOST_NO_STD_TYPEINFO - typedef type_info type_info_t; -#else - typedef std::type_info type_info_t; -#endif - -private: - const type_info_t* data_; - -public: - inline stl_type_index() BOOST_NOEXCEPT - : data_(&typeid(void)) - {} - - inline stl_type_index(const type_info_t& data) BOOST_NOEXCEPT - : data_(&data) - {} - - inline const type_info_t& type_info() const BOOST_NOEXCEPT; - - inline const char* raw_name() const BOOST_NOEXCEPT; - inline const char* name() const BOOST_NOEXCEPT; - inline std::string pretty_name() const; - - inline std::size_t hash_code() const BOOST_NOEXCEPT; - inline bool equal(const stl_type_index& rhs) const BOOST_NOEXCEPT; - inline bool before(const stl_type_index& rhs) const BOOST_NOEXCEPT; - - template <class T> - inline static stl_type_index type_id() BOOST_NOEXCEPT; - - template <class T> - inline static stl_type_index type_id_with_cvr() BOOST_NOEXCEPT; - - template <class T> - inline static stl_type_index type_id_runtime(const T& value) BOOST_NOEXCEPT; -}; - -inline const stl_type_index::type_info_t& stl_type_index::type_info() const BOOST_NOEXCEPT { - return *data_; -} - - -inline const char* stl_type_index::raw_name() const BOOST_NOEXCEPT { -#ifdef _MSC_VER - return data_->raw_name(); -#else - return data_->name(); -#endif -} - -inline const char* stl_type_index::name() const BOOST_NOEXCEPT { - return data_->name(); -} - -inline std::string stl_type_index::pretty_name() const { - static const char cvr_saver_name[] = "boost::typeindex::detail::cvr_saver<"; - static BOOST_CONSTEXPR_OR_CONST std::string::size_type cvr_saver_name_len = sizeof(cvr_saver_name) - 1; - - // In case of MSVC demangle() is a no-op, and name() already returns demangled name. - // In case of GCC and Clang (on non-Windows systems) name() returns mangled name and demangle() undecorates it. - const boost::core::scoped_demangled_name demangled_name(data_->name()); - - const char* begin = demangled_name.get(); - if (!begin) { - boost::throw_exception(std::runtime_error("Type name demangling failed")); - } - - const std::string::size_type len = std::strlen(begin); - const char* end = begin + len; - - if (len > cvr_saver_name_len) { - const char* b = std::strstr(begin, cvr_saver_name); - if (b) { - b += cvr_saver_name_len; - - // Trim leading spaces - while (*b == ' ') { // the string is zero terminated, we won't exceed the buffer size - ++ b; - } - - // Skip the closing angle bracket - const char* e = end - 1; - while (e > b && *e != '>') { - -- e; - } - - // Trim trailing spaces - while (e > b && *(e - 1) == ' ') { - -- e; - } - - if (b < e) { - // Parsing seems to have succeeded, the type name is not empty - begin = b; - end = e; - } - } - } - - return std::string(begin, end); -} - - -inline std::size_t stl_type_index::hash_code() const BOOST_NOEXCEPT { -#if _MSC_VER > 1600 || (__GNUC__ == 4 && __GNUC_MINOR__ > 5 && defined(__GXX_EXPERIMENTAL_CXX0X__)) - return data_->hash_code(); -#else - return boost::hash_range(raw_name(), raw_name() + std::strlen(raw_name())); -#endif -} - - -/// @cond - -// for this compiler at least, cross-shared-library type_info -// comparisons don't work, so we are using typeid(x).name() instead. -# if (defined(__GNUC__) && (__GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 5))) \ - || defined(_AIX) \ - || (defined(__sgi) && defined(__host_mips)) \ - || (defined(__hpux) && defined(__HP_aCC)) \ - || (defined(linux) && defined(__INTEL_COMPILER) && defined(__ICC)) -# define BOOST_CLASSINFO_COMPARE_BY_NAMES -# endif - -/// @endcond - -inline bool stl_type_index::equal(const stl_type_index& rhs) const BOOST_NOEXCEPT { -#ifdef BOOST_CLASSINFO_COMPARE_BY_NAMES - return raw_name() == rhs.raw_name() || !std::strcmp(raw_name(), rhs.raw_name()); -#else - return !!(*data_ == *rhs.data_); -#endif -} - -inline bool stl_type_index::before(const stl_type_index& rhs) const BOOST_NOEXCEPT { -#ifdef BOOST_CLASSINFO_COMPARE_BY_NAMES - return raw_name() != rhs.raw_name() && std::strcmp(raw_name(), rhs.raw_name()) < 0; -#else - return !!data_->before(*rhs.data_); -#endif -} - -#ifdef BOOST_CLASSINFO_COMPARE_BY_NAMES -#undef BOOST_CLASSINFO_COMPARE_BY_NAMES -#endif - - - -template <class T> -inline stl_type_index stl_type_index::type_id() BOOST_NOEXCEPT { - typedef BOOST_DEDUCED_TYPENAME boost::remove_reference<T>::type no_ref_t; - typedef BOOST_DEDUCED_TYPENAME boost::remove_cv<no_ref_t>::type no_cvr_prefinal_t; - - # if (defined(__EDG_VERSION__) && __EDG_VERSION__ < 245) \ - || (defined(__sgi) && defined(_COMPILER_VERSION) && _COMPILER_VERSION <= 744) - - // Old EDG-based compilers seem to mistakenly distinguish 'integral' from 'signed integral' - // in typeid() expressions. Full template specialization for 'integral' fixes that issue: - typedef BOOST_DEDUCED_TYPENAME boost::mpl::if_< - boost::is_signed<no_cvr_prefinal_t>, - boost::make_signed<no_cvr_prefinal_t>, - boost::mpl::identity<no_cvr_prefinal_t> - >::type no_cvr_prefinal_lazy_t; - - typedef BOOST_DEDUCED_TYPENAME no_cvr_prefinal_t::type no_cvr_t; - #else - typedef no_cvr_prefinal_t no_cvr_t; - #endif - - return typeid(no_cvr_t); -} - -namespace detail { - template <class T> class cvr_saver{}; -} - -template <class T> -inline stl_type_index stl_type_index::type_id_with_cvr() BOOST_NOEXCEPT { - typedef BOOST_DEDUCED_TYPENAME boost::mpl::if_< - boost::mpl::or_<boost::is_reference<T>, boost::is_const<T>, boost::is_volatile<T> >, - detail::cvr_saver<T>, - T - >::type type; - - return typeid(type); -} - - -template <class T> -inline stl_type_index stl_type_index::type_id_runtime(const T& value) BOOST_NOEXCEPT { -#ifdef BOOST_NO_RTTI - return value.boost_type_index_type_id_runtime_(); -#else - return typeid(value); -#endif -} - -}} // namespace boost::typeindex - -#endif // BOOST_TYPE_INDEX_STL_TYPE_INDEX_HPP +//
+// Copyright (c) Antony Polukhin, 2013-2017.
+//
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef BOOST_TYPE_INDEX_STL_TYPE_INDEX_HPP
+#define BOOST_TYPE_INDEX_STL_TYPE_INDEX_HPP
+
+/// \file stl_type_index.hpp
+/// \brief Contains boost::typeindex::stl_type_index class.
+///
+/// boost::typeindex::stl_type_index class can be used as a drop-in replacement
+/// for std::type_index.
+///
+/// It is used in situations when RTTI is enabled or typeid() method is available.
+/// When typeid() is disabled or BOOST_TYPE_INDEX_FORCE_NO_RTTI_COMPATIBILITY macro
+/// is defined boost::typeindex::ctti is usually used instead of boost::typeindex::stl_type_index.
+
+#include <boost/type_index/type_index_facade.hpp>
+
+// MSVC is capable of calling typeid(T) even when RTTI is off
+#if defined(BOOST_NO_RTTI) && !defined(BOOST_MSVC)
+#error "File boost/type_index/stl_type_index.ipp is not usable when typeid() is not available."
+#endif
+
+#include <typeinfo>
+#include <cstring> // std::strcmp, std::strlen, std::strstr
+#include <stdexcept>
+#include <boost/static_assert.hpp>
+#include <boost/throw_exception.hpp>
+#include <boost/core/demangle.hpp>
+#include <boost/type_traits/is_const.hpp>
+#include <boost/type_traits/is_reference.hpp>
+#include <boost/type_traits/is_volatile.hpp>
+#include <boost/type_traits/remove_cv.hpp>
+#include <boost/type_traits/remove_reference.hpp>
+#include <boost/mpl/if.hpp>
+#include <boost/mpl/or.hpp>
+
+#if (defined(__EDG_VERSION__) && __EDG_VERSION__ < 245) \
+ || (defined(__sgi) && defined(_COMPILER_VERSION) && _COMPILER_VERSION <= 744)
+# include <boost/type_traits/is_signed.hpp>
+# include <boost/type_traits/make_signed.hpp>
+# include <boost/mpl/identity.hpp>
+#endif
+
+#ifdef BOOST_HAS_PRAGMA_ONCE
+# pragma once
+#endif
+
+namespace boost { namespace typeindex {
+
+/// \class stl_type_index
+/// This class is a wrapper around std::type_info, that workarounds issues and provides
+/// much more rich interface. \b For \b description \b of \b functions \b see type_index_facade.
+///
+/// This class requires typeid() to work. For cases when RTTI is disabled see ctti_type_index.
+class stl_type_index
+ : public type_index_facade<
+ stl_type_index,
+ #ifdef BOOST_NO_STD_TYPEINFO
+ type_info
+ #else
+ std::type_info
+ #endif
+ >
+{
+public:
+#ifdef BOOST_NO_STD_TYPEINFO
+ typedef type_info type_info_t;
+#else
+ typedef std::type_info type_info_t;
+#endif
+
+private:
+ const type_info_t* data_;
+
+public:
+ inline stl_type_index() BOOST_NOEXCEPT
+ : data_(&typeid(void))
+ {}
+
+ inline stl_type_index(const type_info_t& data) BOOST_NOEXCEPT
+ : data_(&data)
+ {}
+
+ inline const type_info_t& type_info() const BOOST_NOEXCEPT;
+
+ inline const char* raw_name() const BOOST_NOEXCEPT;
+ inline const char* name() const BOOST_NOEXCEPT;
+ inline std::string pretty_name() const;
+
+ inline std::size_t hash_code() const BOOST_NOEXCEPT;
+ inline bool equal(const stl_type_index& rhs) const BOOST_NOEXCEPT;
+ inline bool before(const stl_type_index& rhs) const BOOST_NOEXCEPT;
+
+ template <class T>
+ inline static stl_type_index type_id() BOOST_NOEXCEPT;
+
+ template <class T>
+ inline static stl_type_index type_id_with_cvr() BOOST_NOEXCEPT;
+
+ template <class T>
+ inline static stl_type_index type_id_runtime(const T& value) BOOST_NOEXCEPT;
+};
+
+inline const stl_type_index::type_info_t& stl_type_index::type_info() const BOOST_NOEXCEPT {
+ return *data_;
+}
+
+
+inline const char* stl_type_index::raw_name() const BOOST_NOEXCEPT {
+#ifdef _MSC_VER
+ return data_->raw_name();
+#else
+ return data_->name();
+#endif
+}
+
+inline const char* stl_type_index::name() const BOOST_NOEXCEPT {
+ return data_->name();
+}
+
+inline std::string stl_type_index::pretty_name() const {
+ static const char cvr_saver_name[] = "boost::typeindex::detail::cvr_saver<";
+ static BOOST_CONSTEXPR_OR_CONST std::string::size_type cvr_saver_name_len = sizeof(cvr_saver_name) - 1;
+
+ // In case of MSVC demangle() is a no-op, and name() already returns demangled name.
+ // In case of GCC and Clang (on non-Windows systems) name() returns mangled name and demangle() undecorates it.
+ const boost::core::scoped_demangled_name demangled_name(data_->name());
+
+ const char* begin = demangled_name.get();
+ if (!begin) {
+ boost::throw_exception(std::runtime_error("Type name demangling failed"));
+ }
+
+ const std::string::size_type len = std::strlen(begin);
+ const char* end = begin + len;
+
+ if (len > cvr_saver_name_len) {
+ const char* b = std::strstr(begin, cvr_saver_name);
+ if (b) {
+ b += cvr_saver_name_len;
+
+ // Trim leading spaces
+ while (*b == ' ') { // the string is zero terminated, we won't exceed the buffer size
+ ++ b;
+ }
+
+ // Skip the closing angle bracket
+ const char* e = end - 1;
+ while (e > b && *e != '>') {
+ -- e;
+ }
+
+ // Trim trailing spaces
+ while (e > b && *(e - 1) == ' ') {
+ -- e;
+ }
+
+ if (b < e) {
+ // Parsing seems to have succeeded, the type name is not empty
+ begin = b;
+ end = e;
+ }
+ }
+ }
+
+ return std::string(begin, end);
+}
+
+
+inline std::size_t stl_type_index::hash_code() const BOOST_NOEXCEPT {
+#if (defined(_MSC_VER) && _MSC_VER > 1600) || (__GNUC__ == 4 && __GNUC_MINOR__ > 5 && defined(__GXX_EXPERIMENTAL_CXX0X__))
+ return data_->hash_code();
+#else
+ return boost::hash_range(raw_name(), raw_name() + std::strlen(raw_name()));
+#endif
+}
+
+
+/// @cond
+
+// for this compiler at least, cross-shared-library type_info
+// comparisons don't work, so we are using typeid(x).name() instead.
+# if (defined(__GNUC__) && (__GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 5))) \
+ || defined(_AIX) \
+ || (defined(__sgi) && defined(__host_mips)) \
+ || (defined(__hpux) && defined(__HP_aCC)) \
+ || (defined(linux) && defined(__INTEL_COMPILER) && defined(__ICC))
+# define BOOST_CLASSINFO_COMPARE_BY_NAMES
+# endif
+
+/// @endcond
+
+inline bool stl_type_index::equal(const stl_type_index& rhs) const BOOST_NOEXCEPT {
+#ifdef BOOST_CLASSINFO_COMPARE_BY_NAMES
+ return raw_name() == rhs.raw_name() || !std::strcmp(raw_name(), rhs.raw_name());
+#else
+ return !!(*data_ == *rhs.data_);
+#endif
+}
+
+inline bool stl_type_index::before(const stl_type_index& rhs) const BOOST_NOEXCEPT {
+#ifdef BOOST_CLASSINFO_COMPARE_BY_NAMES
+ return raw_name() != rhs.raw_name() && std::strcmp(raw_name(), rhs.raw_name()) < 0;
+#else
+ return !!data_->before(*rhs.data_);
+#endif
+}
+
+#ifdef BOOST_CLASSINFO_COMPARE_BY_NAMES
+#undef BOOST_CLASSINFO_COMPARE_BY_NAMES
+#endif
+
+
+
+template <class T>
+inline stl_type_index stl_type_index::type_id() BOOST_NOEXCEPT {
+ typedef BOOST_DEDUCED_TYPENAME boost::remove_reference<T>::type no_ref_t;
+ typedef BOOST_DEDUCED_TYPENAME boost::remove_cv<no_ref_t>::type no_cvr_prefinal_t;
+
+ # if (defined(__EDG_VERSION__) && __EDG_VERSION__ < 245) \
+ || (defined(__sgi) && defined(_COMPILER_VERSION) && _COMPILER_VERSION <= 744)
+
+ // Old EDG-based compilers seem to mistakenly distinguish 'integral' from 'signed integral'
+ // in typeid() expressions. Full template specialization for 'integral' fixes that issue:
+ typedef BOOST_DEDUCED_TYPENAME boost::mpl::if_<
+ boost::is_signed<no_cvr_prefinal_t>,
+ boost::make_signed<no_cvr_prefinal_t>,
+ boost::mpl::identity<no_cvr_prefinal_t>
+ >::type no_cvr_prefinal_lazy_t;
+
+ typedef BOOST_DEDUCED_TYPENAME no_cvr_prefinal_t::type no_cvr_t;
+ #else
+ typedef no_cvr_prefinal_t no_cvr_t;
+ #endif
+
+ return typeid(no_cvr_t);
+}
+
+namespace detail {
+ template <class T> class cvr_saver{};
+}
+
+template <class T>
+inline stl_type_index stl_type_index::type_id_with_cvr() BOOST_NOEXCEPT {
+ typedef BOOST_DEDUCED_TYPENAME boost::mpl::if_<
+ boost::mpl::or_<boost::is_reference<T>, boost::is_const<T>, boost::is_volatile<T> >,
+ detail::cvr_saver<T>,
+ T
+ >::type type;
+
+ return typeid(type);
+}
+
+
+template <class T>
+inline stl_type_index stl_type_index::type_id_runtime(const T& value) BOOST_NOEXCEPT {
+#ifdef BOOST_NO_RTTI
+ return value.boost_type_index_type_id_runtime_();
+#else
+ return typeid(value);
+#endif
+}
+
+}} // namespace boost::typeindex
+
+#endif // BOOST_TYPE_INDEX_STL_TYPE_INDEX_HPP
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