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Remove useless unsafe methods on LayoutJS<T>

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This commit is contained in:
Anthony Ramine 2015-04-26 17:38:13 +02:00
parent 9369b616ce
commit 4e7b9d319c
5 changed files with 6 additions and 17 deletions
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4
components/script/dom/bindings/codegen/CodegenRust.py
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@ -5471,7 +5471,7 @@ impl ${name}Cast {
pub fn to_layout_js<T: ${toBound}+Reflectable>(base: &LayoutJS<T>) -> Option<LayoutJS<${name}>> {
unsafe {
match (*base.unsafe_get()).${checkFn}() {
true => Some(base.transmute_copy()),
true => Some(mem::transmute_copy(base)),
false => None
}
}
@ -5498,7 +5498,7 @@ impl ${name}Cast {
#[inline(always)]
#[allow(unrooted_must_root)]
pub fn from_layout_js<T: ${fromBound}+Reflectable>(derived: &LayoutJS<T>) -> LayoutJS<${name}> {
unsafe { derived.transmute_copy() }
unsafe { mem::transmute_copy(derived) }
}
#[inline(always)]

8
components/script/dom/bindings/js.rs
View file

@ -64,7 +64,6 @@ use std::cell::{Cell, UnsafeCell};
use std::default::Default;
use std::intrinsics::return_address;
use std::marker::PhantomData;
use std::mem;
use std::ops::Deref;
/// An unrooted, JS-owned value. Must not be held across a GC.
@ -431,13 +430,6 @@ impl<T: Reflectable> LayoutJS<T> {
}
}
impl<From> LayoutJS<From> {
/// Return `self` as a `LayoutJS` of another type.
pub unsafe fn transmute_copy<To>(&self) -> LayoutJS<To> {
mem::transmute_copy(self)
}
}
/// Get an `Option<JSRef<T>>` out of an `Option<Root<T>>`
pub trait RootedReference<T> {
/// Obtain a safe optional reference to the wrapped JS owned-value that