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Document bindings/trace.rs.

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This commit is contained in:
Ms2ger 2014-11-07 12:11:50 +01:00
parent bfa1ab816f
commit 52ef7f7948
1 changed files with 8 additions and 5 deletions
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13
components/script/dom/bindings/trace.rs
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@ -2,6 +2,8 @@
* License, v. 2.0. If a copy of the MPL was not distributed with this * License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#![deny(missing_doc)]
//! Utilities for tracing JS-managed values. //! Utilities for tracing JS-managed values.
//! //!
//! The lifetime of DOM objects is managed by the SpiderMonkey Garbage //! The lifetime of DOM objects is managed by the SpiderMonkey Garbage
@ -58,6 +60,12 @@ use dom::node::{Node, TrustedNodeAddress};
use dom::bindings::utils::WindowProxyHandler; use dom::bindings::utils::WindowProxyHandler;
use html5ever::tree_builder::QuirksMode; use html5ever::tree_builder::QuirksMode;
/// A trait to allow tracing (only) DOM objects.
pub trait JSTraceable {
/// Trace `self`.
fn trace(&self, trc: *mut JSTracer);
}
impl<T: Reflectable> JSTraceable for JS<T> { impl<T: Reflectable> JSTraceable for JS<T> {
fn trace(&self, trc: *mut JSTracer) { fn trace(&self, trc: *mut JSTracer) {
trace_reflector(trc, "", self.reflector()); trace_reflector(trc, "", self.reflector());
@ -66,11 +74,6 @@ impl<T: Reflectable> JSTraceable for JS<T> {
no_jsmanaged_fields!(Reflector) no_jsmanaged_fields!(Reflector)
/// A trait to allow tracing (only) DOM objects.
pub trait JSTraceable {
fn trace(&self, trc: *mut JSTracer);
}
/// Trace a `JSVal`. /// Trace a `JSVal`.
pub fn trace_jsval(tracer: *mut JSTracer, description: &str, val: JSVal) { pub fn trace_jsval(tracer: *mut JSTracer, description: &str, val: JSVal) {
if !val.is_markable() { if !val.is_markable() {