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| author | chrisps <chss95cs@gmail.com> | 2022-11-01 10:52:46 +0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-11-01 10:52:46 +0300 |
| commit | f087dc8fcdcd6aabba68e671ae17ff3e975134f4 (patch) | |
| tree | 0183c9a027ace66c599eab7c68c5fad1291bbde5 | |
| parent | 2e3c6991d33811878ebcc0839d3815850d129b3a (diff) | |
Code size reduction on msvc via selectany (#373)
| -rw-r--r-- | include/cxxopts.hpp | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/include/cxxopts.hpp b/include/cxxopts.hpp index 33851e1..8028b67 100644 --- a/include/cxxopts.hpp +++ b/include/cxxopts.hpp @@ -50,6 +50,13 @@ THE SOFTWARE. # define CXXOPTS_NO_REGEX true # endif #endif +#if defined(_MSC_VER) && !defined(__clang__) +#define CXXOPTS_LINKONCE_CONST __declspec(selectany) extern +#define CXXOPTS_LINKONCE __declspec(selectany) extern +#else +#define CXXOPTS_LINKONCE_CONST +#define CXXOPTS_LINKONCE +#endif #ifndef CXXOPTS_NO_REGEX # include <regex> @@ -325,11 +332,11 @@ namespace cxxopts { namespace { #ifdef _WIN32 -const std::string LQUOTE("\'"); -const std::string RQUOTE("\'"); +CXXOPTS_LINKONCE_CONST std::string LQUOTE("\'"); +CXXOPTS_LINKONCE_CONST std::string RQUOTE("\'"); #else -const std::string LQUOTE("‘"); -const std::string RQUOTE("’"); +CXXOPTS_LINKONCE_CONST std::string LQUOTE("‘"); +CXXOPTS_LINKONCE_CONST std::string RQUOTE("’"); #endif } // namespace @@ -744,18 +751,22 @@ inline ArguDesc ParseArgument(const char *arg, bool &matched) #else // CXXOPTS_NO_REGEX namespace { - +CXXOPTS_LINKONCE std::basic_regex<char> integer_pattern ("(-)?(0x)?([0-9a-zA-Z]+)|((0x)?0)"); +CXXOPTS_LINKONCE std::basic_regex<char> truthy_pattern ("(t|T)(rue)?|1"); +CXXOPTS_LINKONCE std::basic_regex<char> falsy_pattern ("(f|F)(alse)?|0"); - +CXXOPTS_LINKONCE std::basic_regex<char> option_matcher ("--([[:alnum:]][-_[:alnum:]\\.]+)(=(.*))?|-([[:alnum:]].*)"); +CXXOPTS_LINKONCE std::basic_regex<char> option_specifier ("([[:alnum:]][-_[:alnum:]\\.]*)(,[ ]*[[:alnum:]][-_[:alnum:]]*)*"); +CXXOPTS_LINKONCE std::basic_regex<char> option_specifier_separator(", *"); } // namespace |