Kartikaya Gupta
977d95b0ff
A u32 bitflags structure should allow a 1<<31 value. However, with current cbindgen this produces a compiler error with latest clang, because 1<<31 is treated as a signed value (-2147483648) which cannot be narrowed back into a uint32_t without a cast.
31 lines
748 B
Rust
31 lines
748 B
Rust
bitflags! {
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/// Constants shared by multiple CSS Box Alignment properties
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///
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/// These constants match Gecko's `NS_STYLE_ALIGN_*` constants.
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#[derive(MallocSizeOf, ToComputedValue)]
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#[repr(C)]
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pub struct AlignFlags: u8 {
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/// 'auto'
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const AUTO = 0;
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/// 'normal'
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const NORMAL = 1;
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/// 'start'
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const START = 1 << 1;
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/// 'end'
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const END = 1 << 2;
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/// 'flex-start'
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const FLEX_START = 1 << 3;
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}
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}
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bitflags! {
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#[repr(C)]
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pub struct DebugFlags: u32 {
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/// Flag with the topmost bit set of the u32
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const BIGGEST_ALLOWED = 1 << 31;
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}
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}
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#[no_mangle]
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pub extern "C" fn root(flags: AlignFlags, bigger_flags: DebugFlags) {}
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