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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-18 05:39:07 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-18 05:39:07 +0000 |
commit | af6b8ed095f88f1df2116cdc7a9d44872cfa6074 (patch) | |
tree | 1f2df671c1f8033d5ed83f056167a0911f8d2a57 /tests/rust/bitflags.rs | |
parent | Initial commit. (diff) | |
download | rust-cbindgen-af6b8ed095f88f1df2116cdc7a9d44872cfa6074.tar.xz rust-cbindgen-af6b8ed095f88f1df2116cdc7a9d44872cfa6074.zip |
Adding upstream version 0.26.0.upstream/0.26.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | tests/rust/bitflags.rs | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/tests/rust/bitflags.rs b/tests/rust/bitflags.rs new file mode 100644 index 0000000..cba8377 --- /dev/null +++ b/tests/rust/bitflags.rs @@ -0,0 +1,61 @@ +bitflags! { + /// Constants shared by multiple CSS Box Alignment properties + /// + /// These constants match Gecko's `NS_STYLE_ALIGN_*` constants. + #[derive(MallocSizeOf)] + #[repr(C)] + pub struct AlignFlags: u8 { + /// 'auto' + const AUTO = 0; + /// 'normal' + const NORMAL = 1; + /// 'start' + const START = 1 << 1; + /// 'end' + const END = 1 << 2; + const ALIAS = Self::END.bits(); + /// 'flex-start' + const FLEX_START = 1 << 3; + const MIXED = 1 << 4 | AlignFlags::FLEX_START.bits() | AlignFlags::END.bits(); + const MIXED_SELF = 1 << 5 | AlignFlags::FLEX_START.bits() | AlignFlags::END.bits(); + } +} + +bitflags! { + #[repr(C)] + pub struct DebugFlags: u32 { + /// Flag with the topmost bit set of the u32 + const BIGGEST_ALLOWED = 1 << 31; + } +} + +bitflags! { + #[repr(C)] + pub struct LargeFlags: u64 { + /// Flag with a very large shift that usually would be narrowed. + const LARGE_SHIFT = 1u64 << 44; + const INVERTED = !Self::LARGE_SHIFT.bits(); + } +} + +// bitflags 2 allows to define types out-of-line for custom derives +// #[derive(SomeTrait)] +#[repr(C)] +pub struct OutOfLine(u32); + +bitflags! { + impl OutOfLine: u32 { + const A = 1; + const B = 2; + const AB = Self::A.bits() | Self::B.bits(); + } +} + +#[no_mangle] +pub extern "C" fn root( + flags: AlignFlags, + bigger_flags: DebugFlags, + largest_flags: LargeFlags, + out_of_line: OutOfLine, +) { +} |