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Update docs

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This commit is contained in:
Manish Goregaokar 2014-09-24 05:31:56 +05:30
parent cc44a3b064
commit 5336dd9853
2 changed files with 11 additions and 15 deletions
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11
components/script/dom/bindings/trace.rs
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@ -13,13 +13,13 @@
//! through `ProxyTraps.trace` otherwise.)
//! 2. `_trace` calls `Foo::trace()` (an implementation of `JSTraceable`).
//! This is typically derived via a #[jstraceable] annotation
//! 4. For all fields (except those wrapped in `Untraceable`), `Foo::trace()`
//! 3. For all fields (except those wrapped in `Untraceable`), `Foo::trace()`
//! calls `trace()` on the field.
//! For example, for fields of type `JS<T>`, `JS<T>::trace()` calls
//! `trace_reflector()`.
//! 6. `trace_reflector()` calls `trace_object()` with the `JSObject` for the
//! 4. `trace_reflector()` calls `trace_object()` with the `JSObject` for the
//! reflector.
//! 7. `trace_object()` calls `JS_CallTracer()` to notify the GC, which will
//! 5. `trace_object()` calls `JS_CallTracer()` to notify the GC, which will
//! add the object to the graph, and will trace that object as well.
//!
//! The untraceable!() macro adds an empty implementation of JSTraceable to
@ -44,11 +44,6 @@ use std::collections::hashmap::HashMap;
use collections::hash::Hash;
use style::PropertyDeclarationBlock;
// IMPORTANT: We rely on the fact that we never attempt to encode DOM objects using
// any encoder but JSTracer. Since we derive trace hooks automatically,
// we are unfortunately required to use generic types everywhere and
// unsafely cast to the concrete JSTracer we actually require.
impl<T: Reflectable> JSTraceable for JS<T> {
fn trace(&self, trc: *mut JSTracer) {
trace_reflector(trc, "", self.reflector());