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Support variadic interface arguments (fixes #8159)

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We use a RootedVec value in codegen, of which we use the `r()` method to
pass `&[&T]` to the interface methods.
This commit is contained in:
Anthony Ramine 2015-10-25 22:43:13 +01:00
parent e66a361e08
commit acb13dc899
7 changed files with 105 additions and 63 deletions
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21
components/script/dom/bindings/conversions.rs
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@ -728,6 +728,14 @@ pub unsafe fn private_from_proto_check<F>(mut obj: *mut JSObject, proto_check: F
}
}
fn native_from_object<T>(obj: *mut JSObject) -> Result<*const T, ()>
where T: Reflectable + IDLInterface
{
unsafe {
private_from_proto_check(obj, T::derives).map(|ptr| ptr as *const T)
}
}
/// Get a `Root<T>` for the given DOM object, unwrapping any wrapper
/// around it first, and checking if the object is of the correct type.
///
@ -737,11 +745,14 @@ pub unsafe fn private_from_proto_check<F>(mut obj: *mut JSObject, proto_check: F
pub fn root_from_object<T>(obj: *mut JSObject) -> Result<Root<T>, ()>
where T: Reflectable + IDLInterface
{
unsafe {
private_from_proto_check(obj, T::derives).map(|ptr| {
Root::from_ref(&*(ptr as *const T))
})
}
native_from_object(obj).map(|ptr| unsafe { Root::from_ref(&*ptr) })
}
/// Get a `*const T` for a DOM object accessible from a `HandleValue`.
pub fn native_from_handlevalue<T>(v: HandleValue) -> Result<*const T, ()>
where T: Reflectable + IDLInterface
{
native_from_object(v.get().to_object())
}
/// Get a `Root<T>` for a DOM object accessible from a `HandleValue`.