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AK: Change EnumBits has_flag() to check all flags in mask are present

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Co-authored-by: Brian Gianforcaro <b.gianfo@gmail.com>
This commit is contained in:
Timothy 2021-07-14 21:57:11 +10:00 committed by Andreas Kling
parent 2df4d977e2
commit 03b76e4ba0
Notes: sideshowbarker 2024-07-18 08:56:55 +09:00 
Author: https://github.com/timmot
Commit: https://github.com/SerenityOS/serenity/commit/03b76e4ba05
Pull-request: https://github.com/SerenityOS/serenity/pull/8724
Reviewed-by: https://github.com/bgianfo ✅
Reviewed-by: https://github.com/kleinesfilmroellchen ✅
1 changed files with 58 additions and 58 deletions
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116
AK/EnumBits.h
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@ -20,62 +20,62 @@
#define AK_ENUM_BITWISE_FRIEND_OPERATORS(Enum) \
_AK_ENUM_BITWISE_OPERATORS_INTERNAL(Enum, friend)
#define _AK_ENUM_BITWISE_OPERATORS_INTERNAL(Enum, Prefix) \
\
[[nodiscard]] Prefix constexpr Enum operator|(Enum lhs, Enum rhs) \
{ \
using Type = UnderlyingType<Enum>; \
return static_cast<Enum>( \
static_cast<Type>(lhs) | static_cast<Type>(rhs)); \
} \
\
[[nodiscard]] Prefix constexpr Enum operator&(Enum lhs, Enum rhs) \
{ \
using Type = UnderlyingType<Enum>; \
return static_cast<Enum>( \
static_cast<Type>(lhs) & static_cast<Type>(rhs)); \
} \
\
[[nodiscard]] Prefix constexpr Enum operator^(Enum lhs, Enum rhs) \
{ \
using Type = UnderlyingType<Enum>; \
return static_cast<Enum>( \
static_cast<Type>(lhs) ^ static_cast<Type>(rhs)); \
} \
\
[[nodiscard]] Prefix constexpr Enum operator~(Enum rhs) \
{ \
using Type = UnderlyingType<Enum>; \
return static_cast<Enum>( \
~static_cast<Type>(rhs)); \
} \
\
Prefix constexpr Enum& operator|=(Enum& lhs, Enum rhs) \
{ \
using Type = UnderlyingType<Enum>; \
lhs = static_cast<Enum>( \
static_cast<Type>(lhs) | static_cast<Type>(rhs)); \
return lhs; \
} \
\
Prefix constexpr Enum& operator&=(Enum& lhs, Enum rhs) \
{ \
using Type = UnderlyingType<Enum>; \
lhs = static_cast<Enum>( \
static_cast<Type>(lhs) & static_cast<Type>(rhs)); \
return lhs; \
} \
\
Prefix constexpr Enum& operator^=(Enum& lhs, Enum rhs) \
{ \
using Type = UnderlyingType<Enum>; \
lhs = static_cast<Enum>( \
static_cast<Type>(lhs) ^ static_cast<Type>(rhs)); \
return lhs; \
} \
\
Prefix constexpr bool has_flag(Enum value, Enum mask) \
{ \
using Type = UnderlyingType<Enum>; \
return static_cast<Type>(value & mask) != 0; \
#define _AK_ENUM_BITWISE_OPERATORS_INTERNAL(Enum, Prefix) \
\
[[nodiscard]] Prefix constexpr Enum operator|(Enum lhs, Enum rhs) \
{ \
using Type = UnderlyingType<Enum>; \
return static_cast<Enum>( \
static_cast<Type>(lhs) | static_cast<Type>(rhs)); \
} \
\
[[nodiscard]] Prefix constexpr Enum operator&(Enum lhs, Enum rhs) \
{ \
using Type = UnderlyingType<Enum>; \
return static_cast<Enum>( \
static_cast<Type>(lhs) & static_cast<Type>(rhs)); \
} \
\
[[nodiscard]] Prefix constexpr Enum operator^(Enum lhs, Enum rhs) \
{ \
using Type = UnderlyingType<Enum>; \
return static_cast<Enum>( \
static_cast<Type>(lhs) ^ static_cast<Type>(rhs)); \
} \
\
[[nodiscard]] Prefix constexpr Enum operator~(Enum rhs) \
{ \
using Type = UnderlyingType<Enum>; \
return static_cast<Enum>( \
~static_cast<Type>(rhs)); \
} \
\
Prefix constexpr Enum& operator|=(Enum& lhs, Enum rhs) \
{ \
using Type = UnderlyingType<Enum>; \
lhs = static_cast<Enum>( \
static_cast<Type>(lhs) | static_cast<Type>(rhs)); \
return lhs; \
} \
\
Prefix constexpr Enum& operator&=(Enum& lhs, Enum rhs) \
{ \
using Type = UnderlyingType<Enum>; \
lhs = static_cast<Enum>( \
static_cast<Type>(lhs) & static_cast<Type>(rhs)); \
return lhs; \
} \
\
Prefix constexpr Enum& operator^=(Enum& lhs, Enum rhs) \
{ \
using Type = UnderlyingType<Enum>; \
lhs = static_cast<Enum>( \
static_cast<Type>(lhs) ^ static_cast<Type>(rhs)); \
return lhs; \
} \
\
Prefix constexpr bool has_flag(Enum value, Enum mask) \
{ \
using Type = UnderlyingType<Enum>; \
return static_cast<Type>(value & mask) == static_cast<Type>(mask); \
}