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fix -wold-style-cast (#74)

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Felipe Lema 2019-06-19 13:47:57 -04:00 committed by Anton Bachin
parent 8b4d8a9499
commit 8a0d376b53
1 changed files with 28 additions and 0 deletions
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28
enum.h
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@ -14,6 +14,30 @@
#include <stdexcept>
// in-line, non-#pragma warning handling
// not supported in very old compilers (namely gcc 4.4 or less)
#ifdef __GNUC__
# ifdef __clang__
# define BETTER_ENUMS_IGNORE_OLD_CAST_HEADER _Pragma("clang diagnostic push")
# define BETTER_ENUMS_IGNORE_OLD_CAST_BEGIN _Pragma("clang diagnostic ignored \"-Wold-style-cast\"")
# define BETTER_ENUMS_IGNORE_OLD_CAST_END _Pragma("clang diagnostic pop")
# else
# define BETTER_ENUMS_GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100)
# if BETTER_ENUMS_GCC_VERSION > 40400
# define BETTER_ENUMS_IGNORE_OLD_CAST_HEADER _Pragma("GCC diagnostic push")
# define BETTER_ENUMS_IGNORE_OLD_CAST_BEGIN _Pragma("GCC diagnostic ignored \"-Wold-style-cast\"")
# define BETTER_ENUMS_IGNORE_OLD_CAST_END _Pragma("GCC diagnostic pop")
# else
# define BETTER_ENUMS_IGNORE_OLD_CAST_HEADER
# define BETTER_ENUMS_IGNORE_OLD_CAST_BEGIN
# define BETTER_ENUMS_IGNORE_OLD_CAST_END
# endif
# endif
#else // empty definitions for compilers that don't support _Pragma
# define BETTER_ENUMS_IGNORE_OLD_CAST_HEADER
# define BETTER_ENUMS_IGNORE_OLD_CAST_BEGIN
# define BETTER_ENUMS_IGNORE_OLD_CAST_END
#endif
// Feature detection.
@ -364,6 +388,7 @@ continue_with(T, U value) { return value; }
// Values array declaration helper.
//! Get intrinsic value of an (Enum::value) by taking advantage of C-conversion's parentheses priority
template <typename EnumType>
struct _eat_assign {
explicit BETTER_ENUMS_CONSTEXPR_ _eat_assign(EnumType value) : _value(value)
@ -690,8 +715,11 @@ static ::better_enums::_initialize_at_program_start<Enum> \
\
enum _putNamesInThisScopeAlso { __VA_ARGS__ }; \
\
BETTER_ENUMS_IGNORE_OLD_CAST_HEADER \
BETTER_ENUMS_IGNORE_OLD_CAST_BEGIN \
BETTER_ENUMS_CONSTEXPR_ const Enum _value_array[] = \
{ BETTER_ENUMS_ID(BETTER_ENUMS_EAT_ASSIGN(Enum, __VA_ARGS__)) }; \
BETTER_ENUMS_IGNORE_OLD_CAST_END \
\
BETTER_ENUMS_ID(GenerateStrings(Enum, __VA_ARGS__)) \
\