[857] | 1 | /*=============================================================================
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| 2 | Boost.Wave: A Standard compliant C++ preprocessor library
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| 3 |
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| 4 | Definition of the predefined macros
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| 5 |
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| 6 | http://www.boost.org/
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| 7 |
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| 8 | Copyright (c) 2001-2005 Hartmut Kaiser. Distributed under the Boost
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| 9 | Software License, Version 1.0. (See accompanying file
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| 10 | LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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| 11 | =============================================================================*/
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| 12 |
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| 13 | #if !defined(CPP_MACROMAP_PREDEF_HPP_HK041119)
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| 14 | #define CPP_MACROMAP_PREDEF_HPP_HK041119
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| 15 |
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| 16 | #include <cstdio>
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| 17 | #include <boost/assert.hpp>
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| 18 |
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| 19 | #include <boost/wave/wave_config.hpp>
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| 20 | #include <boost/wave/token_ids.hpp>
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| 21 |
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| 22 | ///////////////////////////////////////////////////////////////////////////////
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| 23 | //
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| 24 | // This file contains the definition of functions needed for the management
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| 25 | // of static and dynamic predefined macros, such as __DATE__, __TIME__ etc.
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| 26 | //
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| 27 | // Note: __FILE__, __LINE__ and __INCLUDE_LEVEL__ are handled in the file
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| 28 | // cpp_macromap.hpp.
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| 29 | //
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| 30 | ///////////////////////////////////////////////////////////////////////////////
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| 31 |
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| 32 | ///////////////////////////////////////////////////////////////////////////////
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| 33 | namespace boost {
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| 34 | namespace wave {
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| 35 | namespace util {
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| 36 |
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| 37 | namespace predefined_macros {
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| 38 |
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| 39 | // list of static predefined macros
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| 40 | struct static_macros {
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| 41 | char const *name;
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| 42 | boost::wave::token_id token_id;
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| 43 | char const *value;
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| 44 | };
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| 45 |
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| 46 | // C++ mode
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| 47 | inline static_macros const &
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| 48 | static_data_cpp(std::size_t i)
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| 49 | {
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| 50 | static static_macros data[] = {
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| 51 | { "__STDC__", T_INTLIT, "1" },
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| 52 | { "__cplusplus", T_INTLIT, "199711L" },
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| 53 | { 0, T_EOF, 0 }
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| 54 | };
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| 55 | BOOST_ASSERT(i < sizeof(data)/sizeof(data[0]));
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| 56 | return data[i];
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| 57 | }
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| 58 |
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| 59 | #if BOOST_WAVE_SUPPORT_VARIADICS_PLACEMARKERS != 0
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| 60 | // C99 mode
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| 61 | inline static_macros const &
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| 62 | static_data_c99(std::size_t i)
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| 63 | {
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| 64 | static static_macros data[] = {
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| 65 | { "__STDC__", T_INTLIT, "1" },
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| 66 | { "__STDC_VERSION__", T_INTLIT, "199901L" },
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| 67 | { "__STDC_HOSTED__", T_INTLIT, "0" },
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| 68 | { "__WAVE_HAS_VARIADICS__", T_INTLIT, "1" },
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| 69 | { 0, T_EOF, 0 }
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| 70 | };
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| 71 | BOOST_ASSERT(i < sizeof(data)/sizeof(data[0]));
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| 72 | return data[i];
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| 73 | }
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| 74 | #endif
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| 75 |
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| 76 | // list of dynamic predefined macros
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| 77 | typedef char const * (* get_dynamic_value)(bool);
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| 78 |
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| 79 | // __DATE__
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| 80 | inline
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| 81 | char const *get_date(bool reset)
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| 82 | {
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| 83 | static std::string datestr;
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| 84 | static const char *const monthnames[] = {
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| 85 | "Jan", "Feb", "Mar", "Apr", "May", "Jun",
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| 86 | "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
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| 87 | };
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| 88 |
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| 89 | if (reset) {
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| 90 | datestr.erase();
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| 91 | }
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| 92 | else {
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| 93 | // for some systems sprintf, time_t etc. is in namespace std
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| 94 | using namespace std;
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| 95 |
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| 96 | time_t tt = time(0);
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| 97 | struct tm *tb = 0;
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| 98 |
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| 99 | if (tt != (time_t)-1) {
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| 100 | char buffer[sizeof("\"Oct 11 1347\"")+1];
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| 101 |
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| 102 | tb = localtime (&tt);
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| 103 | sprintf (buffer, "\"%s %2d %4d\"",
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| 104 | monthnames[tb->tm_mon], tb->tm_mday, tb->tm_year + 1900);
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| 105 | datestr = buffer;
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| 106 | }
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| 107 | else {
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| 108 | datestr = "\"??? ?? ????\"";
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| 109 | }
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| 110 | }
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| 111 | return datestr.c_str();
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| 112 | }
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| 113 |
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| 114 | // __TIME__
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| 115 | inline
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| 116 | char const *get_time(bool reset)
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| 117 | {
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| 118 | static std::string timestr;
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| 119 |
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| 120 | if (reset) {
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| 121 | timestr.erase();
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| 122 | }
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| 123 | else {
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| 124 | // for some systems sprintf, time_t etc. is in namespace std
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| 125 | using namespace std;
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| 126 |
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| 127 | time_t tt = time(0);
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| 128 | struct tm *tb = 0;
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| 129 |
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| 130 | if (tt != (time_t)-1) {
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| 131 | char buffer[sizeof("\"12:34:56\"")+1];
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| 132 |
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| 133 | tb = localtime (&tt);
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| 134 | sprintf (buffer, "\"%02d:%02d:%02d\"", tb->tm_hour,
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| 135 | tb->tm_min, tb->tm_sec);
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| 136 | timestr = buffer;
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| 137 | }
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| 138 | else {
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| 139 | timestr = "\"??:??:??\"";
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| 140 | }
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| 141 | }
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| 142 | return timestr.c_str();
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| 143 | }
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| 144 |
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| 145 | // __SPIRIT_PP__/__WAVE__
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| 146 | inline
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| 147 | char const *get_version(bool /*reset*/)
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| 148 | {
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| 149 | static std::string versionstr;
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| 150 | char buffer[sizeof("0x0000")+1];
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| 151 |
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| 152 | using namespace std; // for some systems sprintf is in namespace std
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| 153 | sprintf(buffer, "0x%02d%1d%1d", BOOST_WAVE_VERSION_MAJOR,
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| 154 | BOOST_WAVE_VERSION_MINOR, BOOST_WAVE_VERSION_SUBMINOR);
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| 155 | versionstr = buffer;
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| 156 | return versionstr.c_str();
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| 157 | }
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| 158 |
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| 159 | // __SPIRIT_PP_VERSION__/__WAVE_VERSION__
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| 160 | boost::wave::util::time_conversion_helper const
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| 161 | compilation_time(__DATE__ " " __TIME__);
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| 162 |
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| 163 | inline
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| 164 | char const *get_fullversion(bool /*reset*/)
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| 165 | {
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| 166 | static std::string versionstr;
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| 167 | char buffer[sizeof("0x00000000")+1];
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| 168 |
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| 169 | // for some systems sprintf, time_t etc. is in namespace std
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| 170 | using namespace std;
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| 171 |
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| 172 | // calculate the number of days since Dec 13 2001
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| 173 | // (the day the Wave project was started)
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| 174 | tm first_day;
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| 175 |
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| 176 | using namespace std; // for some systems memset is in namespace std
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| 177 | memset (&first_day, 0, sizeof(tm));
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| 178 | first_day.tm_mon = 11; // Dec
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| 179 | first_day.tm_mday = 13; // 13
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| 180 | first_day.tm_year = 101; // 2001
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| 181 |
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| 182 | long seconds = long(difftime(compilation_time.get_time(),
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| 183 | mktime(&first_day)));
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| 184 |
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| 185 | sprintf(buffer, "0x%02d%1d%1d%04ld", BOOST_WAVE_VERSION_MAJOR,
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| 186 | BOOST_WAVE_VERSION_MINOR, BOOST_WAVE_VERSION_SUBMINOR,
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| 187 | seconds/(3600*24));
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| 188 | versionstr = buffer;
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| 189 | return versionstr.c_str();
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| 190 | }
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| 191 |
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| 192 | // __SPIRIT_PP_VERSION_STR__/__WAVE_VERSION_STR__
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| 193 | inline
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| 194 | char const *get_versionstr(bool /*reset*/)
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| 195 | {
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| 196 | static std::string versionstr;
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| 197 | char buffer[sizeof("\"00.00.00.0000\"")+1];
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| 198 |
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| 199 | // for some systems sprintf, time_t etc. is in namespace std
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| 200 | using namespace std;
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| 201 |
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| 202 | // calculate the number of days since Dec 13 2001
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| 203 | // (the day the Wave project was started)
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| 204 | tm first_day;
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| 205 |
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| 206 | using namespace std; // for some systems memset is in namespace std
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| 207 | memset (&first_day, 0, sizeof(tm));
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| 208 | first_day.tm_mon = 11; // Dec
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| 209 | first_day.tm_mday = 13; // 13
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| 210 | first_day.tm_year = 101; // 2001
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| 211 |
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| 212 | long seconds = long(difftime(compilation_time.get_time(),
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| 213 | mktime(&first_day)));
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| 214 |
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| 215 | sprintf(buffer, "\"%d.%d.%d.%ld\"", BOOST_WAVE_VERSION_MAJOR,
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| 216 | BOOST_WAVE_VERSION_MINOR, BOOST_WAVE_VERSION_SUBMINOR,
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| 217 | seconds/(3600*24));
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| 218 | versionstr = buffer;
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| 219 | return versionstr.c_str();
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| 220 | }
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| 221 |
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| 222 | struct dynamic_macros {
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| 223 | char const *name;
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| 224 | boost::wave::token_id token_id;
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| 225 | get_dynamic_value generator;
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| 226 | };
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| 227 |
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| 228 | inline dynamic_macros const &
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| 229 | dynamic_data(std::size_t i)
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| 230 | {
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| 231 | static dynamic_macros data[] = {
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| 232 | { "__DATE__", T_STRINGLIT, get_date },
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| 233 | { "__TIME__", T_STRINGLIT, get_time },
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| 234 | { "__SPIRIT_PP__", T_INTLIT, get_version },
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| 235 | { "__SPIRIT_PP_VERSION__", T_INTLIT, get_fullversion },
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| 236 | { "__SPIRIT_PP_VERSION_STR__", T_STRINGLIT, get_versionstr },
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| 237 | { "__WAVE__", T_INTLIT, get_version },
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| 238 | { "__WAVE_VERSION__", T_INTLIT, get_fullversion },
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| 239 | { "__WAVE_VERSION_STR__", T_STRINGLIT, get_versionstr },
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| 240 | { 0, T_EOF, 0 }
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| 241 | };
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| 242 | BOOST_ASSERT(i < sizeof(data)/sizeof(data[0]));
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| 243 | return data[i];
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| 244 | }
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| 245 |
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| 246 | } // namespace predefined_macros
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| 247 |
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| 248 | ///////////////////////////////////////////////////////////////////////////////
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| 249 | } // namespace util
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| 250 | } // namespace wave
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| 251 | } // namespace boost
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| 252 |
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| 253 | #endif // !defined(CPP_MACROMAP_PREDEF_HPP_HK041119)
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