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style: Remove HasSimpleFFI

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It's completely unsused and we don't want to use it any time soon, see
bug 1831539 and related.

Differential Revision: https://phabricator.services.mozilla.com/D177497
This commit is contained in:
Emilio Cobos Álvarez 2023-05-09 22:38:34 +00:00 • committed by Martin Robinson
parent 19e037d921
commit 42cbb9d3cf
1 changed files with 0 additions and 37 deletions
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37
components/style/gecko_bindings/sugar/ownership.rs
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@ -19,43 +19,6 @@ pub unsafe trait HasFFI: Sized + 'static {
type FFIType: Sized;
}
/// Indicates that a given Servo type has the same layout as the corresponding
/// `HasFFI::FFIType` type.
pub unsafe trait HasSimpleFFI: HasFFI {
#[inline]
/// Given a Servo-side reference, converts it to an FFI-safe reference which
/// can be passed to Gecko.
///
/// &ServoType -> &GeckoType
fn as_ffi(&self) -> &Self::FFIType {
unsafe { transmute(self) }
}
#[inline]
/// Given a Servo-side mutable reference, converts it to an FFI-safe mutable
/// reference which can be passed to Gecko.
///
/// &mut ServoType -> &mut GeckoType
fn as_ffi_mut(&mut self) -> &mut Self::FFIType {
unsafe { transmute(self) }
}
#[inline]
/// Given an FFI-safe reference obtained from Gecko converts it to a
/// Servo-side reference.
///
/// &GeckoType -> &ServoType
fn from_ffi(ffi: &Self::FFIType) -> &Self {
unsafe { transmute(ffi) }
}
#[inline]
/// Given an FFI-safe mutable reference obtained from Gecko converts it to a
/// Servo-side mutable reference.
///
/// &mut GeckoType -> &mut ServoType
fn from_ffi_mut(ffi: &mut Self::FFIType) -> &mut Self {
unsafe { transmute(ffi) }
}
}
/// Helper trait for conversions between FFI Strong/Borrowed types and Arcs
///
/// Should be implemented by types which are passed over FFI as Arcs via Strong