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script: Refer to DOM interfaces with generic types in generated bindings. (#35457)

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Signed-off-by: Josh Matthews <josh@joshmatthews.net>
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Josh Matthews 2025-02-21 06:10:00 -05:00 • committed by GitHub
parent 14db055d46
commit 1192ae32b0
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20 changed files with 627 additions and 167 deletions
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48
components/script/dom/bindings/utils.rs
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@ -37,15 +37,18 @@ use js::rust::{
use js::JS_CALLEE;
use crate::dom::bindings::codegen::InterfaceObjectMap;
use crate::dom::bindings::codegen::PrototypeList::PROTO_OR_IFACE_LENGTH;
use crate::dom::bindings::codegen::PrototypeList::{self, PROTO_OR_IFACE_LENGTH};
use crate::dom::bindings::constructor::call_html_constructor;
use crate::dom::bindings::conversions::{
jsstring_to_str, private_from_proto_check, PrototypeCheck,
jsstring_to_str, private_from_proto_check, DerivedFrom, PrototypeCheck,
};
use crate::dom::bindings::error::throw_invalid_this;
use crate::dom::bindings::error::{throw_dom_exception, throw_invalid_this, Error};
use crate::dom::bindings::reflector::DomObject;
use crate::dom::bindings::str::DOMString;
use crate::dom::bindings::trace::trace_object;
use crate::dom::windowproxy::WindowProxyHandler;
use crate::script_runtime::JSContext as SafeJSContext;
use crate::script_runtime::{CanGc, JSContext as SafeJSContext};
use crate::DomTypes;
/// A OnceLock wrapping a type that is not considered threadsafe by the Rust compiler, but
/// will be used in a threadsafe manner (it will not be mutated, after being initialized).
@ -660,3 +663,40 @@ pub(crate) unsafe fn exception_to_promise(cx: *mut JSContext, rval: RawMutableHa
false
}
}
/// Operations that must be invoked from the generated bindings.
pub(crate) trait DomHelpers<D: DomTypes> {
fn throw_dom_exception(cx: SafeJSContext, global: &D::GlobalScope, result: Error);
unsafe fn call_html_constructor<T: DerivedFrom<D::Element> + DomObject>(
cx: SafeJSContext,
args: &CallArgs,
global: &D::GlobalScope,
proto_id: crate::dom::bindings::codegen::PrototypeList::ID,
creator: unsafe fn(SafeJSContext, HandleObject, *mut ProtoOrIfaceArray),
can_gc: CanGc,
) -> bool;
}
impl DomHelpers<crate::DomTypeHolder> for crate::DomTypeHolder {
fn throw_dom_exception(
cx: SafeJSContext,
global: &<crate::DomTypeHolder as DomTypes>::GlobalScope,
result: Error,
) {
throw_dom_exception(cx, global, result)
}
unsafe fn call_html_constructor<
T: DerivedFrom<<crate::DomTypeHolder as DomTypes>::Element> + DomObject,
>(
cx: SafeJSContext,
args: &CallArgs,
global: &<crate::DomTypeHolder as DomTypes>::GlobalScope,
proto_id: PrototypeList::ID,
creator: unsafe fn(SafeJSContext, HandleObject, *mut ProtoOrIfaceArray),
can_gc: CanGc,
) -> bool {
call_html_constructor::<T>(cx, args, global, proto_id, creator, can_gc)
}
}