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Add safe handle function for rooted heap values

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This commit is contained in:
Igor Matuszewski 2018-03-23 14:28:25 +01:00
parent 8aa2ebef0c
commit ed0091f86f
1 changed files with 12 additions and 2 deletions
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14
components/script/dom/bindings/trace.rs
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@ -59,9 +59,9 @@ use hyper::mime::Mime;
use hyper::status::StatusCode; use hyper::status::StatusCode;
use ipc_channel::ipc::{IpcReceiver, IpcSender}; use ipc_channel::ipc::{IpcReceiver, IpcSender};
use js::glue::{CallObjectTracer, CallValueTracer}; use js::glue::{CallObjectTracer, CallValueTracer};
use js::jsapi::{GCTraceKindToAscii, Heap, JSObject, JSTracer, TraceKind}; use js::jsapi::{GCTraceKindToAscii, Heap, Handle, JSObject, JSTracer, TraceKind};
use js::jsval::JSVal; use js::jsval::JSVal;
use js::rust::Runtime; use js::rust::{GCMethods, Runtime};
use js::typedarray::TypedArray; use js::typedarray::TypedArray;
use js::typedarray::TypedArrayElement; use js::typedarray::TypedArrayElement;
use metrics::{InteractiveMetrics, InteractiveWindow}; use metrics::{InteractiveMetrics, InteractiveWindow};
@ -788,6 +788,16 @@ impl<T: JSTraceable + 'static> RootedTraceableBox<T> {
} }
} }
impl<T> RootedTraceableBox<Heap<T>>
where
Heap<T>: JSTraceable + 'static,
T: GCMethods + Copy,
{
pub fn handle(&self) -> Handle<T> {
unsafe { (*self.ptr).handle() }
}
}
impl<T: JSTraceable + Default> Default for RootedTraceableBox<T> { impl<T: JSTraceable + Default> Default for RootedTraceableBox<T> {
fn default() -> RootedTraceableBox<T> { fn default() -> RootedTraceableBox<T> {
RootedTraceableBox::new(T::default()) RootedTraceableBox::new(T::default())