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Properly trace HashSet<T>

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This commit is contained in:
Anthony Ramine 2016-12-06 11:56:37 -10:00
parent b40681e231
commit 291a131dd8
1 changed files with 14 additions and 3 deletions
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17
components/script/dom/bindings/trace.rs
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@ -32,8 +32,7 @@
use canvas_traits::{CanvasGradientStop, LinearGradientStyle, RadialGradientStyle};
use canvas_traits::{CompositionOrBlending, LineCapStyle, LineJoinStyle, RepetitionStyle};
use cssparser::RGBA;
use devtools_traits::CSSError;
use devtools_traits::WorkerId;
use devtools_traits::{CSSError, TimelineMarkerType, WorkerId};
use dom::abstractworker::SharedRt;
use dom::bindings::cell::DOMRefCell;
use dom::bindings::js::{JS, Root};
@ -268,6 +267,18 @@ unsafe impl<K, V, S> JSTraceable for HashMap<K, V, S>
}
}
unsafe impl<T, S> JSTraceable for HashSet<T, S>
where T: Hash + Eq + JSTraceable,
S: BuildHasher
{
#[inline]
unsafe fn trace(&self, trc: *mut JSTracer) {
for v in &*self {
v.trace(trc);
}
}
}
unsafe impl<K: Ord + JSTraceable, V: JSTraceable> JSTraceable for BTreeMap<K, V> {
#[inline]
unsafe fn trace(&self, trc: *mut JSTracer) {
@ -313,11 +324,11 @@ unsafe_no_jsmanaged_fields!(Atom, Prefix, LocalName, Namespace, QualName);
unsafe_no_jsmanaged_fields!(Trusted<T: Reflectable>);
unsafe_no_jsmanaged_fields!(TrustedPromise);
unsafe_no_jsmanaged_fields!(PropertyDeclarationBlock);
unsafe_no_jsmanaged_fields!(HashSet<T>);
// These three are interdependent, if you plan to put jsmanaged data
// in one of these make sure it is propagated properly to containing structs
unsafe_no_jsmanaged_fields!(FrameId, FrameType, WindowSizeData, WindowSizeType, PipelineId);
unsafe_no_jsmanaged_fields!(TimerEventId, TimerSource);
unsafe_no_jsmanaged_fields!(TimelineMarkerType);
unsafe_no_jsmanaged_fields!(WorkerId);
unsafe_no_jsmanaged_fields!(BufferQueue, QuirksMode);
unsafe_no_jsmanaged_fields!(Runtime);