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Extract bodies of DefineDOMInterface and GetProtoObject/GetConstructorObject out of generated bindings.

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This commit is contained in:
Josh Matthews 2023-05-26 01:02:38 -04:00
parent 4998c65c42
commit 747a99d3f6
2 changed files with 62 additions and 30 deletions
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51
components/script/dom/bindings/interface.rs
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@ -10,7 +10,9 @@ use crate::dom::bindings::constant::{define_constants, ConstantSpec};
use crate::dom::bindings::conversions::{get_dom_class, DOM_OBJECT_SLOT};
use crate::dom::bindings::guard::Guard;
use crate::dom::bindings::principals::ServoJSPrincipals;
use crate::dom::bindings::utils::{ProtoOrIfaceArray, DOM_PROTOTYPE_SLOT};
use crate::dom::bindings::utils::{
get_proto_or_iface_array, ProtoOrIfaceArray, DOM_PROTOTYPE_SLOT, JSCLASS_DOM_GLOBAL
};
use crate::script_runtime::JSContext as SafeJSContext;
use js::error::throw_type_error;
use js::glue::UncheckedUnwrapObject;
@ -534,3 +536,50 @@ unsafe extern "C" fn non_new_constructor(
throw_type_error(cx, "This constructor needs to be called with `new`.");
false
}
pub fn get_per_interface_object_handle(
cx: SafeJSContext,
global: HandleObject,
id: usize,
creator: unsafe fn(SafeJSContext, HandleObject, *mut ProtoOrIfaceArray),
mut rval: MutableHandleObject,
) {
unsafe {
assert!(((*get_object_class(global.get())).flags & JSCLASS_DOM_GLOBAL) != 0);
/* Check to see whether the interface objects are already installed */
let proto_or_iface_array = get_proto_or_iface_array(global.get());
rval.set((*proto_or_iface_array)[id]);
if !rval.get().is_null() {
return;
}
creator(cx, global, proto_or_iface_array);
rval.set((*proto_or_iface_array)[id]);
assert!(!rval.get().is_null());
}
}
pub fn define_dom_interface(
cx: SafeJSContext,
global: HandleObject,
id: usize,
creator: unsafe fn(SafeJSContext, HandleObject, *mut ProtoOrIfaceArray),
enabled: fn(SafeJSContext, HandleObject) -> bool,
) {
assert!(!global.get().is_null());
if !enabled(cx, global) {
return;
}
rooted!(in(*cx) let mut proto = ptr::null_mut::<JSObject>());
get_per_interface_object_handle(
cx,
global,
id,
creator,
proto.handle_mut(),
);
assert!(!proto.is_null());
}