From 1b6a04ca5504955c571d1c97504fb45ea0befee4 Mon Sep 17 00:00:00 2001 From: Valentin Popov Date: Mon, 8 Jan 2024 01:21:28 +0400 Subject: Initial vendor packages Signed-off-by: Valentin Popov --- vendor/bitflags/src/public.rs | 543 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 543 insertions(+) create mode 100644 vendor/bitflags/src/public.rs (limited to 'vendor/bitflags/src/public.rs') diff --git a/vendor/bitflags/src/public.rs b/vendor/bitflags/src/public.rs new file mode 100644 index 0000000..967e0da --- /dev/null +++ b/vendor/bitflags/src/public.rs @@ -0,0 +1,543 @@ +//! Generate the user-facing flags type. +//! +//! The code here belongs to the end-user, so new trait implementations and methods can't be +//! added without potentially breaking users. + +/// Declare the user-facing bitflags struct. +/// +/// This type is guaranteed to be a newtype with a `bitflags`-facing type as its single field. +#[macro_export(local_inner_macros)] +#[doc(hidden)] +macro_rules! __declare_public_bitflags { + ( + $(#[$outer:meta])* + $vis:vis struct $PublicBitFlags:ident + ) => { + $(#[$outer])* + $vis struct $PublicBitFlags(<$PublicBitFlags as $crate::__private::PublicFlags>::Internal); + }; +} + +/// Implement functions on the public (user-facing) bitflags type. +/// +/// We need to be careful about adding new methods and trait implementations here because they +/// could conflict with items added by the end-user. +#[macro_export(local_inner_macros)] +#[doc(hidden)] +macro_rules! __impl_public_bitflags_forward { + ( + $PublicBitFlags:ident: $T:ty, $InternalBitFlags:ident + ) => { + __impl_bitflags! { + $PublicBitFlags: $T { + fn empty() { + Self($InternalBitFlags::empty()) + } + + fn all() { + Self($InternalBitFlags::all()) + } + + fn bits(f) { + f.0.bits() + } + + fn from_bits(bits) { + match $InternalBitFlags::from_bits(bits) { + $crate::__private::core::option::Option::Some(bits) => $crate::__private::core::option::Option::Some(Self(bits)), + $crate::__private::core::option::Option::None => $crate::__private::core::option::Option::None, + } + } + + fn from_bits_truncate(bits) { + Self($InternalBitFlags::from_bits_truncate(bits)) + } + + fn from_bits_retain(bits) { + Self($InternalBitFlags::from_bits_retain(bits)) + } + + fn from_name(name) { + match $InternalBitFlags::from_name(name) { + $crate::__private::core::option::Option::Some(bits) => $crate::__private::core::option::Option::Some(Self(bits)), + $crate::__private::core::option::Option::None => $crate::__private::core::option::Option::None, + } + } + + fn is_empty(f) { + f.0.is_empty() + } + + fn is_all(f) { + f.0.is_all() + } + + fn intersects(f, other) { + f.0.intersects(other.0) + } + + fn contains(f, other) { + f.0.contains(other.0) + } + + fn insert(f, other) { + f.0.insert(other.0) + } + + fn remove(f, other) { + f.0.remove(other.0) + } + + fn toggle(f, other) { + f.0.toggle(other.0) + } + + fn set(f, other, value) { + f.0.set(other.0, value) + } + + fn intersection(f, other) { + Self(f.0.intersection(other.0)) + } + + fn union(f, other) { + Self(f.0.union(other.0)) + } + + fn difference(f, other) { + Self(f.0.difference(other.0)) + } + + fn symmetric_difference(f, other) { + Self(f.0.symmetric_difference(other.0)) + } + + fn complement(f) { + Self(f.0.complement()) + } + } + } + }; +} + +/// Implement functions on the public (user-facing) bitflags type. +/// +/// We need to be careful about adding new methods and trait implementations here because they +/// could conflict with items added by the end-user. +#[macro_export(local_inner_macros)] +#[doc(hidden)] +macro_rules! __impl_public_bitflags { + ( + $BitFlags:ident: $T:ty, $PublicBitFlags:ident { + $( + $(#[$inner:ident $($args:tt)*])* + const $Flag:tt = $value:expr; + )* + } + ) => { + __impl_bitflags! { + $BitFlags: $T { + fn empty() { + Self(<$T as $crate::Bits>::EMPTY) + } + + fn all() { + let mut truncated = <$T as $crate::Bits>::EMPTY; + let mut i = 0; + + $( + __bitflags_expr_safe_attrs!( + $(#[$inner $($args)*])* + {{ + let flag = <$PublicBitFlags as $crate::Flags>::FLAGS[i].value().bits(); + + truncated = truncated | flag; + i += 1; + }} + ); + )* + + let _ = i; + Self::from_bits_retain(truncated) + } + + fn bits(f) { + f.0 + } + + fn from_bits(bits) { + let truncated = Self::from_bits_truncate(bits).0; + + if truncated == bits { + $crate::__private::core::option::Option::Some(Self(bits)) + } else { + $crate::__private::core::option::Option::None + } + } + + fn from_bits_truncate(bits) { + Self(bits & Self::all().bits()) + } + + fn from_bits_retain(bits) { + Self(bits) + } + + fn from_name(name) { + $( + __bitflags_flag!({ + name: $Flag, + named: { + __bitflags_expr_safe_attrs!( + $(#[$inner $($args)*])* + { + if name == $crate::__private::core::stringify!($Flag) { + return $crate::__private::core::option::Option::Some(Self($PublicBitFlags::$Flag.bits())); + } + } + ); + }, + unnamed: {}, + }); + )* + + let _ = name; + $crate::__private::core::option::Option::None + } + + fn is_empty(f) { + f.bits() == <$T as $crate::Bits>::EMPTY + } + + fn is_all(f) { + // NOTE: We check against `Self::all` here, not `Self::Bits::ALL` + // because the set of all flags may not use all bits + Self::all().bits() | f.bits() == f.bits() + } + + fn intersects(f, other) { + f.bits() & other.bits() != <$T as $crate::Bits>::EMPTY + } + + fn contains(f, other) { + f.bits() & other.bits() == other.bits() + } + + fn insert(f, other) { + *f = Self::from_bits_retain(f.bits()).union(other); + } + + fn remove(f, other) { + *f = Self::from_bits_retain(f.bits()).difference(other); + } + + fn toggle(f, other) { + *f = Self::from_bits_retain(f.bits()).symmetric_difference(other); + } + + fn set(f, other, value) { + if value { + f.insert(other); + } else { + f.remove(other); + } + } + + fn intersection(f, other) { + Self::from_bits_retain(f.bits() & other.bits()) + } + + fn union(f, other) { + Self::from_bits_retain(f.bits() | other.bits()) + } + + fn difference(f, other) { + Self::from_bits_retain(f.bits() & !other.bits()) + } + + fn symmetric_difference(f, other) { + Self::from_bits_retain(f.bits() ^ other.bits()) + } + + fn complement(f) { + Self::from_bits_truncate(!f.bits()) + } + } + } + }; +} + +/// Implement iterators on the public (user-facing) bitflags type. +#[macro_export(local_inner_macros)] +#[doc(hidden)] +macro_rules! __impl_public_bitflags_iter { + ($BitFlags:ident: $T:ty, $PublicBitFlags:ident) => { + impl $BitFlags { + /// Yield a set of contained flags values. + /// + /// Each yielded flags value will correspond to a defined named flag. Any unknown bits + /// will be yielded together as a final flags value. + #[inline] + pub const fn iter(&self) -> $crate::iter::Iter<$PublicBitFlags> { + $crate::iter::Iter::__private_const_new( + <$PublicBitFlags as $crate::Flags>::FLAGS, + $PublicBitFlags::from_bits_retain(self.bits()), + $PublicBitFlags::from_bits_retain(self.bits()), + ) + } + + /// Yield a set of contained named flags values. + /// + /// This method is like [`iter`](#method.iter), except only yields bits in contained named flags. + /// Any unknown bits, or bits not corresponding to a contained flag will not be yielded. + #[inline] + pub const fn iter_names(&self) -> $crate::iter::IterNames<$PublicBitFlags> { + $crate::iter::IterNames::__private_const_new( + <$PublicBitFlags as $crate::Flags>::FLAGS, + $PublicBitFlags::from_bits_retain(self.bits()), + $PublicBitFlags::from_bits_retain(self.bits()), + ) + } + } + + impl $crate::__private::core::iter::IntoIterator for $BitFlags { + type Item = $PublicBitFlags; + type IntoIter = $crate::iter::Iter<$PublicBitFlags>; + + fn into_iter(self) -> Self::IntoIter { + self.iter() + } + } + }; +} + +/// Implement traits on the public (user-facing) bitflags type. +#[macro_export(local_inner_macros)] +#[doc(hidden)] +macro_rules! __impl_public_bitflags_ops { + ($PublicBitFlags:ident) => { + impl $crate::__private::core::fmt::Binary for $PublicBitFlags { + fn fmt( + &self, + f: &mut $crate::__private::core::fmt::Formatter, + ) -> $crate::__private::core::fmt::Result { + $crate::__private::core::fmt::Binary::fmt(&self.0, f) + } + } + + impl $crate::__private::core::fmt::Octal for $PublicBitFlags { + fn fmt( + &self, + f: &mut $crate::__private::core::fmt::Formatter, + ) -> $crate::__private::core::fmt::Result { + $crate::__private::core::fmt::Octal::fmt(&self.0, f) + } + } + + impl $crate::__private::core::fmt::LowerHex for $PublicBitFlags { + fn fmt( + &self, + f: &mut $crate::__private::core::fmt::Formatter, + ) -> $crate::__private::core::fmt::Result { + $crate::__private::core::fmt::LowerHex::fmt(&self.0, f) + } + } + + impl $crate::__private::core::fmt::UpperHex for $PublicBitFlags { + fn fmt( + &self, + f: &mut $crate::__private::core::fmt::Formatter, + ) -> $crate::__private::core::fmt::Result { + $crate::__private::core::fmt::UpperHex::fmt(&self.0, f) + } + } + + impl $crate::__private::core::ops::BitOr for $PublicBitFlags { + type Output = Self; + + /// The bitwise or (`|`) of the bits in two flags values. + #[inline] + fn bitor(self, other: $PublicBitFlags) -> Self { + self.union(other) + } + } + + impl $crate::__private::core::ops::BitOrAssign for $PublicBitFlags { + /// The bitwise or (`|`) of the bits in two flags values. + #[inline] + fn bitor_assign(&mut self, other: Self) { + self.insert(other); + } + } + + impl $crate::__private::core::ops::BitXor for $PublicBitFlags { + type Output = Self; + + /// The bitwise exclusive-or (`^`) of the bits in two flags values. + #[inline] + fn bitxor(self, other: Self) -> Self { + self.symmetric_difference(other) + } + } + + impl $crate::__private::core::ops::BitXorAssign for $PublicBitFlags { + /// The bitwise exclusive-or (`^`) of the bits in two flags values. + #[inline] + fn bitxor_assign(&mut self, other: Self) { + self.toggle(other); + } + } + + impl $crate::__private::core::ops::BitAnd for $PublicBitFlags { + type Output = Self; + + /// The bitwise and (`&`) of the bits in two flags values. + #[inline] + fn bitand(self, other: Self) -> Self { + self.intersection(other) + } + } + + impl $crate::__private::core::ops::BitAndAssign for $PublicBitFlags { + /// The bitwise and (`&`) of the bits in two flags values. + #[inline] + fn bitand_assign(&mut self, other: Self) { + *self = Self::from_bits_retain(self.bits()).intersection(other); + } + } + + impl $crate::__private::core::ops::Sub for $PublicBitFlags { + type Output = Self; + + /// The intersection of a source flags value with the complement of a target flags value (`&!`). + /// + /// This method is not equivalent to `self & !other` when `other` has unknown bits set. + /// `difference` won't truncate `other`, but the `!` operator will. + #[inline] + fn sub(self, other: Self) -> Self { + self.difference(other) + } + } + + impl $crate::__private::core::ops::SubAssign for $PublicBitFlags { + /// The intersection of a source flags value with the complement of a target flags value (`&!`). + /// + /// This method is not equivalent to `self & !other` when `other` has unknown bits set. + /// `difference` won't truncate `other`, but the `!` operator will. + #[inline] + fn sub_assign(&mut self, other: Self) { + self.remove(other); + } + } + + impl $crate::__private::core::ops::Not for $PublicBitFlags { + type Output = Self; + + /// The bitwise negation (`!`) of the bits in a flags value, truncating the result. + #[inline] + fn not(self) -> Self { + self.complement() + } + } + + impl $crate::__private::core::iter::Extend<$PublicBitFlags> for $PublicBitFlags { + /// The bitwise or (`|`) of the bits in each flags value. + fn extend>( + &mut self, + iterator: T, + ) { + for item in iterator { + self.insert(item) + } + } + } + + impl $crate::__private::core::iter::FromIterator<$PublicBitFlags> for $PublicBitFlags { + /// The bitwise or (`|`) of the bits in each flags value. + fn from_iter>( + iterator: T, + ) -> Self { + use $crate::__private::core::iter::Extend; + + let mut result = Self::empty(); + result.extend(iterator); + result + } + } + }; +} + +/// Implement constants on the public (user-facing) bitflags type. +#[macro_export(local_inner_macros)] +#[doc(hidden)] +macro_rules! __impl_public_bitflags_consts { + ( + $PublicBitFlags:ident: $T:ty { + $( + $(#[$inner:ident $($args:tt)*])* + const $Flag:tt = $value:expr; + )* + } + ) => { + impl $PublicBitFlags { + $( + __bitflags_flag!({ + name: $Flag, + named: { + $(#[$inner $($args)*])* + #[allow( + deprecated, + non_upper_case_globals, + )] + pub const $Flag: Self = Self::from_bits_retain($value); + }, + unnamed: {}, + }); + )* + } + + impl $crate::Flags for $PublicBitFlags { + const FLAGS: &'static [$crate::Flag<$PublicBitFlags>] = &[ + $( + __bitflags_flag!({ + name: $Flag, + named: { + __bitflags_expr_safe_attrs!( + $(#[$inner $($args)*])* + { + #[allow( + deprecated, + non_upper_case_globals, + )] + $crate::Flag::new($crate::__private::core::stringify!($Flag), $PublicBitFlags::$Flag) + } + ) + }, + unnamed: { + __bitflags_expr_safe_attrs!( + $(#[$inner $($args)*])* + { + #[allow( + deprecated, + non_upper_case_globals, + )] + $crate::Flag::new("", $PublicBitFlags::from_bits_retain($value)) + } + ) + }, + }), + )* + ]; + + type Bits = $T; + + fn bits(&self) -> $T { + $PublicBitFlags::bits(self) + } + + fn from_bits_retain(bits: $T) -> $PublicBitFlags { + $PublicBitFlags::from_bits_retain(bits) + } + } + }; +} -- cgit v1.2.3