2 files changed, 954 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/spirit/home/classic/core/primitives/impl/numerics.ipp b/3rdParty/Boost/src/boost/spirit/home/classic/core/primitives/impl/numerics.ipp
new file mode 100644
index 0000000..19586f1
--- /dev/null
+++ b/3rdParty/Boost/src/boost/spirit/home/classic/core/primitives/impl/numerics.ipp
@@ -0,0 +1,478 @@
+/*=============================================================================
+    Copyright (c) 1998-2003 Joel de Guzman
+    Copyright (c) 2001-2003 Hartmut Kaiser
+    http://spirit.sourceforge.net/
+
+    Use, modification and distribution is subject to 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_SPIRIT_NUMERICS_IPP
+#define BOOST_SPIRIT_NUMERICS_IPP
+
+#include <boost/config/no_tr1/cmath.hpp>
+#include <limits>
+
+namespace boost { namespace spirit {
+
+BOOST_SPIRIT_CLASSIC_NAMESPACE_BEGIN
+
+    struct sign_parser; // forward declaration only
+
+    namespace impl
+    {
+        ///////////////////////////////////////////////////////////////////////
+        //
+        //  Extract the prefix sign (- or +)
+        //
+        ///////////////////////////////////////////////////////////////////////
+        template <typename ScannerT>
+        bool
+        extract_sign(ScannerT const& scan, std::size_t& count)
+        {
+            //  Extract the sign
+            count = 0;
+            bool neg = *scan == '-';
+            if (neg || (*scan == '+'))
+            {
+                ++scan;
+                ++count;
+                return neg;
+            }
+
+            return false;
+        }
+
+        ///////////////////////////////////////////////////////////////////////
+        //
+        //  Traits class for radix specific number conversion
+        //
+        //      Convert a digit from character representation, ch, to binary
+        //      representation, returned in val.
+        //      Returns whether the conversion was successful.
+        //
+        //        template<typename CharT> static bool digit(CharT ch, T& val);
+        //
+        ///////////////////////////////////////////////////////////////////////
+        template<const int Radix>
+        struct radix_traits;
+
+        ////////////////////////////////// Binary
+        template<>
+        struct radix_traits<2>
+        {
+            template<typename CharT, typename T>
+            static bool digit(CharT ch, T& val)
+            {
+                val = ch - '0';
+                return ('0' == ch || '1' == ch);
+            }
+        };
+
+        ////////////////////////////////// Octal
+        template<>
+        struct radix_traits<8>
+        {
+            template<typename CharT, typename T>
+            static bool digit(CharT ch, T& val)
+            {
+                val = ch - '0';
+                return ('0' <= ch && ch <= '7');
+            }
+        };
+
+        ////////////////////////////////// Decimal
+        template<>
+        struct radix_traits<10>
+        {
+            template<typename CharT, typename T>
+            static bool digit(CharT ch, T& val)
+            {
+                val = ch - '0';
+                return impl::isdigit_(ch);
+            }
+        };
+
+        ////////////////////////////////// Hexadecimal
+        template<>
+        struct radix_traits<16>
+        {
+            template<typename CharT, typename T>
+            static bool digit(CharT ch, T& val)
+            {
+                if (radix_traits<10>::digit(ch, val))
+                    return true;
+
+                CharT lc = impl::tolower_(ch);
+                if ('a' <= lc && lc <= 'f')
+                {
+                    val = lc - 'a' + 10;
+                    return true;
+                }
+                return false;
+            }
+        };
+
+        ///////////////////////////////////////////////////////////////////////
+        //
+        //      Helper templates for encapsulation of radix specific
+        //      conversion of an input string to an integral value.
+        //
+        //      main entry point:
+        //
+        //          extract_int<Radix, MinDigits, MaxDigits, Accumulate>
+        //              ::f(first, last, n, count);
+        //
+        //          The template parameter Radix represents the radix of the
+        //          number contained in the parsed string. The template
+        //          parameter MinDigits specifies the minimum digits to
+        //          accept. The template parameter MaxDigits specifies the
+        //          maximum digits to parse. A -1 value for MaxDigits will
+        //          make it parse an arbitrarilly large number as long as the
+        //          numeric type can hold it. Accumulate is either
+        //          positive_accumulate<Radix> (default) for parsing positive
+        //          numbers or negative_accumulate<Radix> otherwise.
+        //          Checking is only performed when std::numeric_limits<T>::
+        //          is_specialized is true. Otherwise, there's no way to
+        //          do the check.
+        //
+        //          scan.first and scan.last are iterators as usual (i.e.
+        //          first is mutable and is moved forward when a match is
+        //          found), n is a variable that holds the number (passed by
+        //          reference). The number of parsed characters is added to
+        //          count (also passed by reference)
+        //
+        //      NOTE:
+        //              Returns a non-match, if the number to parse
+        //              overflows (or underflows) the used type.
+        //
+        //      BEWARE:
+        //              the parameters 'n' and 'count' should be properly
+        //              initialized before calling this function.
+        //
+        ///////////////////////////////////////////////////////////////////////
+#if defined(BOOST_MSVC)
+#pragma warning(push) 
+#pragma warning(disable:4127) //conditional expression is constant
+#endif
+        
+        template <typename T, int Radix>
+        struct positive_accumulate
+        {
+            //  Use this accumulator if number is positive
+            static bool add(T& n, T digit)
+            {
+                if (std::numeric_limits<T>::is_specialized)
+                {
+                    static T const max = (std::numeric_limits<T>::max)();
+                    static T const max_div_radix = max/Radix;
+
+                    if (n > max_div_radix)
+                        return false;
+                    n *= Radix;
+
+                    if (n > max - digit)
+                        return false;
+                    n += digit;
+
+                    return true;
+                }
+                else
+                {
+                    n *= Radix;
+                    n += digit;
+                    return true;
+                }
+            }
+        };
+
+        template <typename T, int Radix>
+        struct negative_accumulate
+        {
+            //  Use this accumulator if number is negative
+            static bool add(T& n, T digit)
+            {
+                if (std::numeric_limits<T>::is_specialized)
+                {
+                    typedef std::numeric_limits<T> num_limits;
+                    static T const min =
+                        (!num_limits::is_integer && num_limits::is_signed && num_limits::has_denorm) ?
+                        -(num_limits::max)() : (num_limits::min)();
+                    static T const min_div_radix = min/Radix;
+
+                    if (n < min_div_radix)
+                        return false;
+                    n *= Radix;
+
+                    if (n < min + digit)
+                        return false;
+                    n -= digit;
+
+                    return true;
+                }
+                else
+                {
+                    n *= Radix;
+                    n -= digit;
+                    return true;
+                }
+            }
+        };
+
+        template <int MaxDigits>
+        inline bool allow_more_digits(std::size_t i)
+        {
+            return i < MaxDigits;
+        }
+
+        template <>
+        inline bool allow_more_digits<-1>(std::size_t)
+        {
+            return true;
+        }
+
+        //////////////////////////////////
+        template <
+            int Radix, unsigned MinDigits, int MaxDigits,
+            typename Accumulate
+        >
+        struct extract_int
+        {
+            template <typename ScannerT, typename T>
+            static bool
+            f(ScannerT& scan, T& n, std::size_t& count)
+            {
+                std::size_t i = 0;
+                T digit;
+                while( allow_more_digits<MaxDigits>(i) && !scan.at_end() &&
+                    radix_traits<Radix>::digit(*scan, digit) )
+                {
+                    if (!Accumulate::add(n, digit))
+                        return false; // Overflow
+                    ++i, ++scan, ++count;
+                }
+                return i >= MinDigits;
+            }
+        };
+
+        ///////////////////////////////////////////////////////////////////////
+        //
+        //  uint_parser_impl class
+        //
+        ///////////////////////////////////////////////////////////////////////
+        template <
+            typename T = unsigned,
+            int Radix = 10,
+            unsigned MinDigits = 1,
+            int MaxDigits = -1
+        >
+        struct uint_parser_impl
+            : parser<uint_parser_impl<T, Radix, MinDigits, MaxDigits> >
+        {
+            typedef uint_parser_impl<T, Radix, MinDigits, MaxDigits> self_t;
+
+            template <typename ScannerT>
+            struct result
+            {
+                typedef typename match_result<ScannerT, T>::type type;
+            };
+
+            template <typename ScannerT>
+            typename parser_result<self_t, ScannerT>::type
+            parse(ScannerT const& scan) const
+            {
+                if (!scan.at_end())
+                {
+                    T n = 0;
+                    std::size_t count = 0;
+                    typename ScannerT::iterator_t save = scan.first;
+                    if (extract_int<Radix, MinDigits, MaxDigits,
+                        positive_accumulate<T, Radix> >::f(scan, n, count))
+                    {
+                        return scan.create_match(count, n, save, scan.first);
+                    }
+                    // return no-match if number overflows
+                }
+                return scan.no_match();
+            }
+        };
+
+        ///////////////////////////////////////////////////////////////////////
+        //
+        //  int_parser_impl class
+        //
+        ///////////////////////////////////////////////////////////////////////
+        template <
+            typename T = unsigned,
+            int Radix = 10,
+            unsigned MinDigits = 1,
+            int MaxDigits = -1
+        >
+        struct int_parser_impl
+            : parser<int_parser_impl<T, Radix, MinDigits, MaxDigits> >
+        {
+            typedef int_parser_impl<T, Radix, MinDigits, MaxDigits> self_t;
+
+            template <typename ScannerT>
+            struct result
+            {
+                typedef typename match_result<ScannerT, T>::type type;
+            };
+
+            template <typename ScannerT>
+            typename parser_result<self_t, ScannerT>::type
+            parse(ScannerT const& scan) const
+            {
+                typedef extract_int<Radix, MinDigits, MaxDigits,
+                    negative_accumulate<T, Radix> > extract_int_neg_t;
+                typedef extract_int<Radix, MinDigits, MaxDigits,
+                    positive_accumulate<T, Radix> > extract_int_pos_t;
+
+                if (!scan.at_end())
+                {
+                    T n = 0;
+                    std::size_t count = 0;
+                    typename ScannerT::iterator_t save = scan.first;
+
+                    bool hit = impl::extract_sign(scan, count);
+
+                    if (hit)
+                        hit = extract_int_neg_t::f(scan, n, count);
+                    else
+                        hit = extract_int_pos_t::f(scan, n, count);
+
+                    if (hit)
+                        return scan.create_match(count, n, save, scan.first);
+                    else
+                        scan.first = save;
+                    // return no-match if number overflows or underflows
+                }
+                return scan.no_match();
+            }
+        };
+
+        ///////////////////////////////////////////////////////////////////////
+        //
+        //  real_parser_impl class
+        //
+        ///////////////////////////////////////////////////////////////////////
+        template <typename RT, typename T, typename RealPoliciesT>
+        struct real_parser_impl
+        {
+            typedef real_parser_impl<RT, T, RealPoliciesT> self_t;
+
+            template <typename ScannerT>
+            RT parse_main(ScannerT const& scan) const
+            {
+                if (scan.at_end())
+                    return scan.no_match();
+                typename ScannerT::iterator_t save = scan.first;
+
+                typedef typename parser_result<sign_parser, ScannerT>::type
+                    sign_match_t;
+                typedef typename parser_result<chlit<>, ScannerT>::type
+                    exp_match_t;
+
+                sign_match_t    sign_match = RealPoliciesT::parse_sign(scan);
+                std::size_t     count = sign_match ? sign_match.length() : 0;
+                bool            neg = sign_match.has_valid_attribute() ?
+                                    sign_match.value() : false;
+
+                RT              n_match = RealPoliciesT::parse_n(scan);
+                T               n = n_match.has_valid_attribute() ?
+                                    n_match.value() : T(0);
+                bool            got_a_number = n_match;
+                exp_match_t     e_hit;
+
+                if (!got_a_number && !RealPoliciesT::allow_leading_dot)
+                     return scan.no_match();
+                else
+                    count += n_match.length();
+
+                if (neg)
+                    n = -n;
+
+                if (RealPoliciesT::parse_dot(scan))
+                {
+                    //  We got the decimal point. Now we will try to parse
+                    //  the fraction if it is there. If not, it defaults
+                    //  to zero (0) only if we already got a number.
+
+                    if (RT hit = RealPoliciesT::parse_frac_n(scan))
+                    {
+#if !defined(BOOST_NO_STDC_NAMESPACE)
+                        using namespace std;  // allow for ADL to find pow()
+#endif
+                        hit.value(hit.value()
+                            * pow(T(10), T(-hit.length())));
+                        if (neg)
+                            n -= hit.value();
+                        else
+                            n += hit.value();
+                        count += hit.length() + 1;
+
+                    }
+
+                    else if (!got_a_number ||
+                        !RealPoliciesT::allow_trailing_dot)
+                        return scan.no_match();
+
+                    e_hit = RealPoliciesT::parse_exp(scan);
+                }
+                else
+                {
+                    //  We have reached a point where we
+                    //  still haven't seen a number at all.
+                    //  We return early with a no-match.
+                    if (!got_a_number)
+                        return scan.no_match();
+
+                    //  If we must expect a dot and we didn't see
+                    //  an exponent, return early with a no-match.
+                    e_hit = RealPoliciesT::parse_exp(scan);
+                    if (RealPoliciesT::expect_dot && !e_hit)
+                        return scan.no_match();
+                }
+
+                if (e_hit)
+                {
+                    //  We got the exponent prefix. Now we will try to parse the
+                    //  actual exponent. It is an error if it is not there.
+                    if (RT e_n_hit = RealPoliciesT::parse_exp_n(scan))
+                    {
+#if !defined(BOOST_NO_STDC_NAMESPACE)
+                        using namespace std;    // allow for ADL to find pow()
+#endif
+                        n *= pow(T(10), T(e_n_hit.value()));
+                        count += e_n_hit.length() + e_hit.length();
+                    }
+                    else
+                    {
+                        //  Oops, no exponent, return a no-match
+                        return scan.no_match();
+                    }
+                }
+
+                return scan.create_match(count, n, save, scan.first);
+            }
+
+            template <typename ScannerT>
+            static RT parse(ScannerT const& scan)
+            {
+                static self_t this_;
+                return impl::implicit_lexeme_parse<RT>(this_, scan, scan);
+            }
+        };
+
+#if defined(BOOST_MSVC)
+#pragma warning(pop)
+#endif
+
+    }   //  namespace impl
+
+///////////////////////////////////////////////////////////////////////////////
+BOOST_SPIRIT_CLASSIC_NAMESPACE_END
+
+}} // namespace boost::spirit
+
+#endif
diff --git a/3rdParty/Boost/src/boost/spirit/home/classic/core/primitives/impl/primitives.ipp b/3rdParty/Boost/src/boost/spirit/home/classic/core/primitives/impl/primitives.ipp
new file mode 100644
index 0000000..152e5b1
--- /dev/null
+++ b/3rdParty/Boost/src/boost/spirit/home/classic/core/primitives/impl/primitives.ipp
@@ -0,0 +1,476 @@
+/*=============================================================================
+    Copyright (c) 1998-2003 Joel de Guzman
+    Copyright (c) 2003 Martin Wille
+    http://spirit.sourceforge.net/
+
+    Use, modification and distribution is subject to 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)
+=============================================================================*/
+#if !defined(BOOST_SPIRIT_PRIMITIVES_IPP)
+#define BOOST_SPIRIT_PRIMITIVES_IPP
+
+// This should eventually go to a config file.
+#if defined(__GNUC__) && (__GNUC__ < 3) && !defined(_STLPORT_VERSION)
+#  ifndef BOOST_SPIRIT_NO_CHAR_TRAITS
+#    define BOOST_SPIRIT_NO_CHAR_TRAITS
+#  endif
+#endif
+
+#include <cctype>
+#if !defined(BOOST_NO_CWCTYPE)
+#include <cwctype>
+#endif
+
+#ifndef BOOST_SPIRIT_NO_CHAR_TRAITS
+#  include <string> // char_traits
+#endif
+
+#if defined(BOOST_MSVC)
+#  pragma warning (push)
+#  pragma warning(disable:4800)
+#endif
+
+namespace boost { namespace spirit {
+
+BOOST_SPIRIT_CLASSIC_NAMESPACE_BEGIN
+
+    template <typename DrivedT> struct char_parser;
+
+    namespace impl
+    {
+        template <typename IteratorT>
+        inline IteratorT
+        get_last(IteratorT first)
+        {
+            while (*first)
+                first++;
+            return first;
+        }
+
+        template<
+            typename RT,
+            typename IteratorT,
+            typename ScannerT>
+        inline RT
+        string_parser_parse(
+            IteratorT str_first,
+            IteratorT str_last,
+            ScannerT& scan)
+        {
+            typedef typename ScannerT::iterator_t iterator_t;
+            iterator_t saved = scan.first;
+            std::size_t slen = str_last - str_first;
+
+            while (str_first != str_last)
+            {
+                if (scan.at_end() || (*str_first != *scan))
+                    return scan.no_match();
+                ++str_first;
+                ++scan;
+            }
+
+            return scan.create_match(slen, nil_t(), saved, scan.first);
+        }
+
+    ///////////////////////////////////////////////////////////////////////////
+    //
+    // Conversion from char_type to int_type
+    //
+    ///////////////////////////////////////////////////////////////////////////
+
+#ifndef BOOST_SPIRIT_NO_CHAR_TRAITS
+#  define BOOST_SPIRIT_CHAR_TRAITS_NAMESPACE std
+#else
+
+        template <typename CharT>
+        struct char_traits
+        {
+            typedef CharT int_type;
+            typedef CharT char_type;
+        };
+
+        template<>
+        struct char_traits<char>
+        {
+            typedef int int_type;
+            typedef char char_type;
+
+            static char_type
+            to_char_type(int_type c)
+            {
+                return static_cast<char_type>(c);
+            }
+
+            static int
+            to_int_type(char c)
+            {
+                return static_cast<unsigned char>(c);
+            }
+        };
+
+        template<>
+        struct char_traits<unsigned char>
+        {
+            typedef int int_type;
+            typedef unsigned char char_type;
+
+            static char_type
+            to_char_type(int_type c)
+            {
+                return static_cast<char_type>(c);
+            }
+
+            static int
+            to_int_type(unsigned char c)
+            {
+                return c;
+            }
+        };
+
+#  define BOOST_SPIRIT_CHAR_TRAITS_NAMESPACE impl
+#  ifndef BOOST_NO_CWCTYPE
+
+        template<>
+        struct char_traits<wchar_t>
+        {
+            typedef wint_t int_type;
+            typedef wchar_t char_type;
+
+            static char_type
+            to_char_type(int_type c)
+            {
+                return static_cast<char_type>(c);
+            }
+
+            static wint_t
+            to_int_type(wchar_t c)
+            {
+                return c;
+            }
+        };
+
+#  endif
+#endif // BOOST_SPIRIT_NO_CHAR_TRAITS
+
+        //  Use char_traits for char and wchar_t only, as these are the only
+        //  specializations provided in the standard. Other types are on their
+        //  own.
+        //
+        //  For UDT, one may override:
+        //
+        //      isalnum
+        //      isalpha
+        //      iscntrl
+        //      isdigit
+        //      isgraph
+        //      islower
+        //      isprint
+        //      ispunct
+        //      isspace
+        //      isupper
+        //      isxdigit
+        //      isblank
+        //      isupper
+        //      tolower
+        //      toupper
+        //
+        //  in a namespace suitable for Argument Dependent lookup or in
+        //  namespace std (disallowed by the standard).
+
+        template <typename CharT>
+        struct char_type_char_traits_helper
+        {
+            typedef CharT char_type;
+            typedef typename BOOST_SPIRIT_CHAR_TRAITS_NAMESPACE
+                ::char_traits<CharT>::int_type int_type;
+
+            static int_type to_int_type(CharT c)
+            {
+                return BOOST_SPIRIT_CHAR_TRAITS_NAMESPACE
+                    ::char_traits<CharT>::to_int_type(c);
+            }
+
+            static char_type to_char_type(int_type i)
+            {
+                return BOOST_SPIRIT_CHAR_TRAITS_NAMESPACE
+                    ::char_traits<CharT>::to_char_type(i);
+            }
+        };
+
+        template <typename CharT>
+        struct char_traits_helper
+        {
+            typedef CharT char_type;
+            typedef CharT int_type;
+
+            static CharT & to_int_type(CharT & c)
+            {
+                return c;
+            }
+
+            static CharT & to_char_type(CharT & c)
+            {
+                return c;
+            }
+        };
+
+        template <>
+        struct char_traits_helper<char>
+            : char_type_char_traits_helper<char>
+        {
+        };
+
+#if !defined(BOOST_NO_CWCTYPE)
+
+        template <>
+        struct char_traits_helper<wchar_t>
+            : char_type_char_traits_helper<wchar_t>
+        {
+        };
+
+#endif
+
+        template <typename CharT>
+        inline typename char_traits_helper<CharT>::int_type
+        to_int_type(CharT c)
+        {
+            return char_traits_helper<CharT>::to_int_type(c);
+        }
+
+        template <typename CharT>
+        inline CharT
+        to_char_type(typename char_traits_helper<CharT>::int_type c)
+        {
+            return char_traits_helper<CharT>::to_char_type(c);
+        }
+
+        ///////////////////////////////////////////////////////////////////////
+        //
+        //  Convenience functions
+        //
+        ///////////////////////////////////////////////////////////////////////
+
+        template <typename CharT>
+        inline bool
+        isalnum_(CharT c)
+        {
+            using namespace std;
+            return isalnum(to_int_type(c)) ? true : false;
+        }
+
+        template <typename CharT>
+        inline bool
+        isalpha_(CharT c)
+        {
+            using namespace std;
+            return isalpha(to_int_type(c)) ? true : false;
+        }
+
+        template <typename CharT>
+        inline bool
+        iscntrl_(CharT c)
+        {
+            using namespace std;
+            return iscntrl(to_int_type(c)) ? true : false;
+        }
+
+        template <typename CharT>
+        inline bool
+        isdigit_(CharT c)
+        {
+            using namespace std;
+            return isdigit(to_int_type(c)) ? true : false;
+        }
+
+        template <typename CharT>
+        inline bool
+        isgraph_(CharT c)
+        {
+            using namespace std;
+            return isgraph(to_int_type(c)) ? true : false;
+        }
+
+        template <typename CharT>
+        inline bool
+        islower_(CharT c)
+        {
+            using namespace std;
+            return islower(to_int_type(c)) ? true : false;
+        }
+
+        template <typename CharT>
+        inline bool
+        isprint_(CharT c)
+        {
+            using namespace std;
+            return isprint(to_int_type(c)) ? true : false;
+        }
+
+        template <typename CharT>
+        inline bool
+        ispunct_(CharT c)
+        {
+            using namespace std;
+            return ispunct(to_int_type(c)) ? true : false;
+        }
+
+        template <typename CharT>
+        inline bool
+        isspace_(CharT c)
+        {
+            using namespace std;
+            return isspace(to_int_type(c)) ? true : false;
+        }
+
+        template <typename CharT>
+        inline bool
+        isupper_(CharT c)
+        {
+            using namespace std;
+            return isupper(to_int_type(c)) ? true : false;
+        }
+
+        template <typename CharT>
+        inline bool
+        isxdigit_(CharT c)
+        {
+            using namespace std;
+            return isxdigit(to_int_type(c)) ? true : false;
+        }
+
+        template <typename CharT>
+        inline bool
+        isblank_(CharT c)
+        {
+            return (c == ' ' || c == '\t');
+        }
+
+        template <typename CharT>
+        inline CharT
+        tolower_(CharT c)
+        {
+            using namespace std;
+            return to_char_type<CharT>(tolower(to_int_type(c)));
+        }
+
+        template <typename CharT>
+        inline CharT
+        toupper_(CharT c)
+        {
+            using namespace std;
+            return to_char_type<CharT>(toupper(to_int_type(c)));
+        }
+
+#if !defined(BOOST_NO_CWCTYPE)
+
+        inline bool
+        isalnum_(wchar_t c)
+        {
+            using namespace std;
+            return iswalnum(to_int_type(c)) ? true : false;
+        }
+
+        inline bool
+        isalpha_(wchar_t c)
+        {
+            using namespace std;
+            return iswalpha(to_int_type(c)) ? true : false;
+        }
+
+        inline bool
+        iscntrl_(wchar_t c)
+        {
+            using namespace std;
+            return iswcntrl(to_int_type(c)) ? true : false;
+        }
+
+        inline bool
+        isdigit_(wchar_t c)
+        {
+            using namespace std;
+            return iswdigit(to_int_type(c)) ? true : false;
+        }
+
+        inline bool
+        isgraph_(wchar_t c)
+        {
+            using namespace std;
+            return iswgraph(to_int_type(c)) ? true : false;
+        }
+
+        inline bool
+        islower_(wchar_t c)
+        {
+            using namespace std;
+            return iswlower(to_int_type(c)) ? true : false;
+        }
+
+        inline bool
+        isprint_(wchar_t c)
+        {
+            using namespace std;
+            return iswprint(to_int_type(c)) ? true : false;
+        }
+
+        inline bool
+        ispunct_(wchar_t c)
+        {
+            using namespace std;
+            return iswpunct(to_int_type(c)) ? true : false;
+        }
+
+        inline bool
+        isspace_(wchar_t c)
+        {
+            using namespace std;
+            return iswspace(to_int_type(c)) ? true : false;
+        }
+
+        inline bool
+        isupper_(wchar_t c)
+        {
+            using namespace std;
+            return iswupper(to_int_type(c)) ? true : false;
+        }
+
+        inline bool
+        isxdigit_(wchar_t c)
+        {
+            using namespace std;
+            return iswxdigit(to_int_type(c)) ? true : false;
+        }
+
+        inline bool
+        isblank_(wchar_t c)
+        {
+            return (c == L' ' || c == L'\t');
+        }
+
+        inline wchar_t
+        tolower_(wchar_t c)
+        {
+            using namespace std;
+            return to_char_type<wchar_t>(towlower(to_int_type(c)));
+        }
+
+        inline wchar_t
+        toupper_(wchar_t c)
+        {
+            using namespace std;
+            return to_char_type<wchar_t>(towupper(to_int_type(c)));
+        }
+
+#endif // !defined(BOOST_NO_CWCTYPE)
+
+}
+
+BOOST_SPIRIT_CLASSIC_NAMESPACE_END
+
+}} // namespace boost::spirit::impl
+
+#ifdef BOOST_MSVC
+#pragma warning (pop)
+#endif
+
+#endif