1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
pub use bitflags::*;
// Copy of the macro from bitflags 1.3.2, with the implicit derives
// removed, because in 2.0, they're expected to be explicitly given
// in the macro invocation. And because bitflags 1.3.2 itself always
// adds an impl Debug, we need to remove #[derive(Debug)] from what
// is passed in, which is what the __impl_bitflags_remove_derive_debug
// macro does.
#[macro_export(local_inner_macros)]
macro_rules! bitflags {
(
$(#[$($outer:tt)+])*
$vis:vis struct $BitFlags:ident: $T:ty {
$(
$(#[$inner:ident $($args:tt)*])*
const $Flag:ident = $value:expr;
)*
}
$($t:tt)*
) => {
__impl_bitflags_remove_derive_debug! {
$(#[$($outer)+])*
$vis struct $BitFlags {
bits: $T,
}
}
__impl_bitflags! {
$BitFlags: $T {
$(
$(#[$inner $($args)*])*
$Flag = $value;
)*
}
}
impl $BitFlags {
/// Convert from underlying bit representation, preserving all
/// bits (even those not corresponding to a defined flag).
#[inline]
pub const fn from_bits_retain(bits: $T) -> Self {
Self { bits }
}
}
bitflags! {
$($t)*
}
};
() => {};
}
#[macro_export(local_inner_macros)]
#[doc(hidden)]
macro_rules! __impl_bitflags_remove_derive_debug {
(
$(@ $(#[$keep_outer:meta])* @)?
#[derive(@ $($keep_derives:ident),+ @)]
$(#[$($other_outer:tt)+])*
$vis:vis struct $BitFlags:ident { $($t:tt)* }
) => {
__impl_bitflags_remove_derive_debug! {
@ $($(#[$keep_outer])*)? #[derive($($keep_derives),+)] @
$(#[$($other_outer)+])*
$vis struct $BitFlags { $($t)* }
}
};
(
$(@ $(#[$keep_outer:meta])* @)?
#[derive($(@ $($keep_derives:ident),+ @)? Debug $(,$derives:ident)*)]
$(#[$($other_outer:tt)+])*
$vis:vis struct $BitFlags:ident { $($t:tt)* }
) => {
__impl_bitflags_remove_derive_debug! {
@ $($(#[$keep_outer])*)? @
#[derive($(@ $($keep_derives),+ @)? $($derives),*)]
$(#[$($other_outer)+])*
$vis struct $BitFlags { $($t)* }
}
};
(
$(@ $(#[$keep_outer:meta])* @)?
#[derive($(@ $($keep_derives:ident),+ @)? $derive:ident $(,$derives:ident)*)]
$(#[$($other_outer:tt)+])*
$vis:vis struct $BitFlags:ident { $($t:tt)* }
) => {
__impl_bitflags_remove_derive_debug! {
@ $($(#[$keep_outer])*)? @
#[derive(@ $($($keep_derives,)+)? $derive @ $($derives),*)]
$(#[$($other_outer)+])*
$vis struct $BitFlags { $($t)* }
}
};
(
$(@ $(#[$keep_outer:meta])* @)?
#[$outer:meta]
$(#[$($other_outer:tt)+])*
$vis:vis struct $BitFlags:ident { $($t:tt)* }
) => {
__impl_bitflags_remove_derive_debug! {
@ $($(#[$keep_outer])*)? #[$outer] @
$(#[$($other_outer)+])*
$vis struct $BitFlags { $($t)* }
}
};
(
@ $(#[$keep_outer:meta])* @
$vis:vis struct $BitFlags:ident { $($t:tt)* }
) => {
$(#[$keep_outer])*
$vis struct $BitFlags { $($t)* }
};
}
|
