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Add BarCast::to_layout_js<T>().

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This commit is contained in:
Tetsuharu OHZEKI 2015-01-25 02:06:25 +09:00
parent 6b1e2bd11c
commit 80a4911f9c
1 changed files with 12 additions and 1 deletions
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13
components/script/dom/bindings/codegen/CodegenRust.py
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@ -5220,7 +5220,7 @@ class GlobalGenRoots():
descriptors = config.getDescriptors(register=True, isCallback=False)
allprotos = [CGGeneric("#![allow(unused_imports)]\n"),
CGGeneric("use dom::types::*;\n"),
CGGeneric("use dom::bindings::js::{JS, JSRef, Temporary};\n"),
CGGeneric("use dom::bindings::js::{JS, JSRef, LayoutJS, Temporary};\n"),
CGGeneric("use dom::bindings::trace::JSTraceable;\n"),
CGGeneric("use dom::bindings::utils::Reflectable;\n"),
CGGeneric("use js::jsapi::JSTracer;\n\n"),
@ -5279,6 +5279,17 @@ pub trait ${castTraitName} : Sized {
}
}
#[inline(always)]
#[allow(unrooted_must_root)]
fn to_layout_js<T: ${toBound}+Reflectable>(base: &LayoutJS<T>) -> Option<LayoutJS<Self>> {
unsafe {
match (*base.unsafe_get()).${checkFn}() {
true => Some(base.transmute_copy()),
false => None
}
}
}
#[inline(always)]
fn from_ref<'a, T: ${fromBound}+Reflectable>(derived: JSRef<'a, T>) -> JSRef<'a, Self> {
unsafe { derived.transmute() }