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// Copyright 2013 Daniel Parker
// Distributed under the Boost license, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See https://github.com/danielaparker/jsoncons for latest version
#ifndef JSONCONS_COMPILER_SUPPORT_HPP
#define JSONCONS_COMPILER_SUPPORT_HPP
#include <stdexcept>
#include <string>
#include <cmath>
#include <exception>
#include <ostream>
#if defined (__clang__)
#define JSONCONS_CLANG_VERSION (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__)
#endif
// Uncomment the following line to suppress deprecated names (recommended for new code)
//#define JSONCONS_NO_DEPRECATED
// The definitions below follow the definitions in compiler_support_p.h, https://github.com/01org/tinycbor
// MIT license
// https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54577
#if defined(__GNUC__) && __GNUC__ == 4 && __GNUC_MINOR__ < 9
#define JSONCONS_NO_VECTOR_ERASE_TAKES_CONST_ITERATOR 1
#define JSONCONS_NO_MAP_CONS_TAKES_ALLOCATOR 1
#endif
#if defined(__clang__)
# define JSONCONS_FALLTHROUGH [[clang::fallthrough]]
#elif defined(__GNUC__) && ((__GNUC__ >= 7))
# define JSONCONS_FALLTHROUGH __attribute__((fallthrough))
#elif defined (__GNUC__)
# define JSONCONS_FALLTHROUGH // FALLTHRU
#else
# define JSONCONS_FALLTHROUGH
#endif
#if defined(__GNUC__) || defined(__clang__)
#define JSONCONS_LIKELY(x) __builtin_expect(!!(x), 1)
#define JSONCONS_UNLIKELY(x) __builtin_expect(!!(x), 0)
#define JSONCONS_UNREACHABLE() __builtin_unreachable()
#elif defined(_MSC_VER)
#define JSONCONS_LIKELY(x) x
#define JSONCONS_UNLIKELY(x) x
#define JSONCONS_UNREACHABLE() __assume(0)
#else
#define JSONCONS_LIKELY(x) x
#define JSONCONS_UNLIKELY(x) x
#define JSONCONS_UNREACHABLE() do {} while (0)
#endif
// Deprecated symbols markup
#if (defined(__cplusplus) && __cplusplus >= 201402L)
#define JSONCONS_DEPRECATED_MSG(msg) [[deprecated(msg)]]
#endif
#if !defined(JSONCONS_DEPRECATED_MSG) && defined(__GNUC__) && defined(__has_extension)
#if __has_extension(attribute_deprecated_with_message)
#define JSONCONS_DEPRECATED_MSG(msg) __attribute__((deprecated(msg)))
#endif
#endif
#if !defined(JSONCONS_DEPRECATED_MSG) && defined(_MSC_VER)
#if (_MSC_VER) >= 1920
#define JSONCONS_DEPRECATED_MSG(msg) [[deprecated(msg)]]
#else
#define JSONCONS_DEPRECATED_MSG(msg) __declspec(deprecated(msg))
#endif
#endif
// Following boost/atomic/detail/config.hpp
#if !defined(JSONCONS_DEPRECATED_MSG) && (\
(defined(__GNUC__) && ((__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0)) >= 405) ||\
(defined(__SUNPRO_CC) && (__SUNPRO_CC + 0) >= 0x5130))
#define JSONCONS_DEPRECATED_MSG(msg) __attribute__((deprecated(msg)))
#endif
#if !defined(JSONCONS_DEPRECATED_MSG) && defined(__clang__) && defined(__has_extension)
#if __has_extension(attribute_deprecated_with_message)
#define JSONCONS_DEPRECATED_MSG(msg) __attribute__((deprecated(msg)))
#else
#define JSONCONS_DEPRECATED_MSG(msg) __attribute__((deprecated))
#endif
#endif
#if !defined(JSONCONS_DEPRECATED_MSG)
#define JSONCONS_DEPRECATED_MSG(msg)
#endif
#if defined(ANDROID) || defined(__ANDROID__)
#if __ANDROID_API__ >= 21
#define JSONCONS_HAS_STRTOLD_L
#else
#define JSONCONS_NO_LOCALECONV
#endif
#endif
#if defined(_MSC_VER)
#define JSONCONS_HAS_MSC_STRTOD_L
#define JSONCONS_HAS_FOPEN_S
#endif
#ifndef JSONCONS_HAS_CP14
#if defined(_MSVC_LANG)
#if _MSVC_LANG >= 201402L
#define JSONCONS_HAS_CP14
#endif
#elif __cplusplus >= 201402L
#define JSONCONS_HAS_CP14
#endif
#endif
#if !defined(JSONCONS_HAS_STD_FROM_CHARS)
# if defined(__GNUC__)
# if (__GNUC__ >= 11)
# if (__cplusplus >= 201703)
# define JSONCONS_HAS_STD_FROM_CHARS 1
# endif // (__cplusplus >= 201703)
# endif // (__GNUC__ >= 11)
# endif // defined(__GNUC__)
# if defined(_MSC_VER)
# if (_MSC_VER >= 1924 && _MSVC_LANG >= 201703)
# define JSONCONS_HAS_STD_FROM_CHARS 1
# endif // (_MSC_VER >= 1924 && MSVC_LANG >= 201703)
# endif // defined(_MSC_VER)
#endif
#if defined(JSONCONS_HAS_STD_FROM_CHARS)
#include <charconv>
#endif
#if !defined(JSONCONS_HAS_2017)
# if defined(__clang__)
# if (__cplusplus >= 201703)
# define JSONCONS_HAS_2017 1
# endif // (__cplusplus >= 201703)
# endif // defined(__clang__)
# if defined(__GNUC__)
# if (__GNUC__ >= 7)
# if (__cplusplus >= 201703)
# define JSONCONS_HAS_2017 1
# endif // (__cplusplus >= 201703)
# endif // (__GNUC__ >= 7)
# endif // defined(__GNUC__)
# if defined(_MSC_VER)
# if (_MSC_VER >= 1910 && _MSVC_LANG >= 201703)
# define JSONCONS_HAS_2017 1
# endif // (_MSC_VER >= 1910 && MSVC_LANG >= 201703)
# endif // defined(_MSC_VER)
#endif
#if defined(JSONCONS_HAS_2017)
#define JSONCONS_NODISCARD [[nodiscard]]
#define JSONCONS_IF_CONSTEXPR if constexpr
#else
#define JSONCONS_NODISCARD
#define JSONCONS_IF_CONSTEXPR if
#endif
#if !defined(JSONCONS_HAS_STD_STRING_VIEW)
# if (defined JSONCONS_HAS_2017)
# if defined(__clang__)
# if __has_include(<string_view>)
# define JSONCONS_HAS_STD_STRING_VIEW 1
# endif // __has_include(<string_view>)
# else
# define JSONCONS_HAS_STD_STRING_VIEW 1
# endif
# endif // defined(JSONCONS_HAS_2017)
#endif // !defined(JSONCONS_HAS_STD_STRING_VIEW)
#if !defined(JSONCONS_HAS_STD_BYTE)
# if (defined JSONCONS_HAS_2017)
# define JSONCONS_HAS_STD_BYTE 1
# endif // defined(JSONCONS_HAS_2017)
#endif // !defined(JSONCONS_HAS_STD_BYTE)
#if !defined(JSONCONS_HAS_STD_OPTIONAL)
# if (defined JSONCONS_HAS_2017)
# if defined(__clang__)
# if __has_include(<optional>)
# define JSONCONS_HAS_STD_OPTIONAL 1
# endif // __has_include(<string_view>)
# else
# define JSONCONS_HAS_STD_OPTIONAL 1
# endif
# endif // defined(JSONCONS_HAS_2017)
#endif // !defined(JSONCONS_HAS_STD_OPTIONAL)
#if !defined(JSONCONS_HAS_STD_VARIANT)
# if (defined JSONCONS_HAS_2017)
# if defined(__clang__)
# if defined(__APPLE__)
# if JSONCONS_CLANG_VERSION >= 100001
# define JSONCONS_HAS_STD_VARIANT 1
# endif
# elif __has_include(<variant>)
# define JSONCONS_HAS_STD_VARIANT 1
# endif // __has_include(<variant>)
# else
# define JSONCONS_HAS_STD_VARIANT 1
# endif
# endif // defined(JSONCONS_HAS_2017)
#endif // !defined(JSONCONS_HAS_STD_VARIANT)
#if !defined(JSONCONS_HAS_FILESYSTEM)
# if (defined JSONCONS_HAS_2017)
# if defined(__clang__)
# if __has_include(<filesystem>)
# define JSONCONS_HAS_FILESYSTEM 1
# endif // __has_include(<filesystem>)
# else
# define JSONCONS_HAS_FILESYSTEM 1
# endif
# endif // defined(JSONCONS_HAS_2017)
#endif // !defined(JSONCONS_HAS_FILESYSTEM)
#if (!defined(JSONCONS_NO_EXCEPTIONS))
// Check if exceptions are disabled.
# if defined( __cpp_exceptions) && __cpp_exceptions == 0
# define JSONCONS_NO_EXCEPTIONS 1
# endif
#endif
#if !defined(JSONCONS_NO_EXCEPTIONS)
#if defined(__GNUC__) && !__EXCEPTIONS
# define JSONCONS_NO_EXCEPTIONS 1
#elif _MSC_VER
#if defined(_HAS_EXCEPTIONS) && _HAS_EXCEPTIONS == 0
# define JSONCONS_NO_EXCEPTIONS 1
#elif !defined(_CPPUNWIND)
# define JSONCONS_NO_EXCEPTIONS 1
#endif
#endif
#endif
// allow to disable exceptions
#if !defined(JSONCONS_NO_EXCEPTIONS)
#define JSONCONS_THROW(exception) throw exception
#define JSONCONS_RETHROW throw
#define JSONCONS_TRY try
#define JSONCONS_CATCH(exception) catch(exception)
#else
#define JSONCONS_THROW(exception) std::terminate()
#define JSONCONS_RETHROW std::terminate()
#define JSONCONS_TRY if (true)
#define JSONCONS_CATCH(exception) if (false)
#endif
#if !defined(JSONCONS_HAS_STD_MAKE_UNIQUE)
#if defined(__clang__) && defined(__cplusplus)
#if defined(__APPLE__)
#if __clang_major__ >= 6 && __cplusplus >= 201402L // Xcode 6
#define JSONCONS_HAS_STD_MAKE_UNIQUE
#endif
#elif ((__clang_major__*100 +__clang_minor__) >= 340) && __cplusplus >= 201402L
#define JSONCONS_HAS_STD_MAKE_UNIQUE
#endif
#elif defined(__GNUC__)
#if (__GNUC__ * 100 + __GNUC_MINOR__) >= 409 && __cplusplus > 201103L
#define JSONCONS_HAS_STD_MAKE_UNIQUE
#endif
#elif defined(_MSC_VER)
#if _MSC_VER >= 1800
#define JSONCONS_HAS_STD_MAKE_UNIQUE
#endif
#endif
#endif // !defined(JSONCONS_HAS_STD_MAKE_UNIQUE)
#ifndef JSONCONS_HAS_CP14_CONSTEXPR
#if defined(_MSC_VER)
#if _MSC_VER >= 1910
#define JSONCONS_HAS_CP14_CONSTEXPR
#endif
#elif defined(__GNUC__)
#if (__GNUC__ * 100 + __GNUC_MINOR__) >= 600 && __cplusplus >= 201402L
#define JSONCONS_HAS_CP14_CONSTEXPR
#endif
#endif
#endif
#if defined(JSONCONS_HAS_CP14_CONSTEXPR)
# define JSONCONS_CPP14_CONSTEXPR constexpr
#else
# define JSONCONS_CPP14_CONSTEXPR
#endif
// Follows boost
// gcc and clang
#if (defined(__clang__) || defined(__GNUC__)) && defined(__cplusplus)
#if defined(__SIZEOF_INT128__) && !defined(_MSC_VER)
# define JSONCONS_HAS_INT128
#endif
#if (defined(linux) || defined(__linux) || defined(__linux__) || defined(__GNU__) || defined(__GLIBC__)) && !defined(_CRAYC)
#if (__clang_major__ >= 4) && defined(__has_include)
#if __has_include(<quadmath.h>)
# define JSONCONS_HAS_FLOAT128
#endif
#endif
#endif
#endif
#if defined(__GNUC__)
#if defined(_GLIBCXX_USE_FLOAT128)
# define JSONCONS_HAS_FLOAT128
#endif
#endif
#if defined(__clang__)
#if (defined(linux) || defined(__linux) || defined(__linux__) || defined(__GNU__) || defined(__GLIBC__)) && !defined(_CRAYC)
#if (__clang_major__ >= 4) && defined(__has_include)
#if __has_include(<quadmath.h>)
# define JSONCONS_HAS_FLOAT128
#endif
#endif
#endif
#endif
// Follows boost config/detail/suffix.hpp
#if defined(JSONCONS_HAS_INT128) && defined(__cplusplus)
namespace jsoncons{
# ifdef __GNUC__
__extension__ typedef __int128 int128_type;
__extension__ typedef unsigned __int128 uint128_type;
# else
typedef __int128 int128_type;
typedef unsigned __int128 uint128_type;
# endif
}
#endif
#if defined(JSONCONS_HAS_FLOAT128) && defined(__cplusplus)
namespace jsoncons {
# ifdef __GNUC__
__extension__ typedef __float128 float128_type;
# else
typedef __float128 float128_type;
# endif
}
#endif
#if defined(_MSC_VER) && _MSC_VER <= 1900
#define JSONCONS_COPY(first,last,d_first) std::copy(first, last, stdext::make_checked_array_iterator(d_first, static_cast<std::size_t>(std::distance(first, last))))
#else
#define JSONCONS_COPY(first,last,d_first) std::copy(first, last, d_first)
#endif
#if defined(_MSC_VER) && _MSC_VER <= 1900
#define JSONCONS_CONSTEXPR
#else
#define JSONCONS_CONSTEXPR constexpr
#endif
namespace jsoncons {
class assertion_error : public std::runtime_error
{
public:
assertion_error(const std::string& s) noexcept
: std::runtime_error(s)
{
}
const char* what() const noexcept override
{
return std::runtime_error::what();
}
};
} // namespace jsoncons
#define JSONCONS_STR2(x) #x
#define JSONCONS_STR(x) JSONCONS_STR2(x)
#ifdef _DEBUG
#define JSONCONS_ASSERT(x) if (!(x)) { \
JSONCONS_THROW(jsoncons::assertion_error("assertion '" #x "' failed at " __FILE__ ":" \
JSONCONS_STR(__LINE__))); }
#else
#define JSONCONS_ASSERT(x) if (!(x)) { \
JSONCONS_THROW(jsoncons::assertion_error("assertion '" #x "' failed at <> :" \
JSONCONS_STR( 0 ))); }
#endif // _DEBUG
#endif // JSONCONS_COMPILER_SUPPORT_HPP
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