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Move more foundational types to script_bindings (#35280)

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* script: Move DOMClass to script_bindings.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* script: Move DOMJSClass and get_dom_class to script_bindings.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* script: Move Castable/DerivedFrom/IDLInterface to script_bindings.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

---------

Signed-off-by: Josh Matthews <josh@joshmatthews.net>
This commit is contained in:
Josh Matthews 2025-02-04 05:36:30 -05:00 • committed by GitHub
parent eaaad757e8
commit c0cef69108
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GPG key ID: B5690EEEBB952194
16 changed files with 291 additions and 207 deletions
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45
components/script/dom/bindings/utils.rs
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@ -5,7 +5,7 @@
//! Various utilities to glue JavaScript and the DOM implementation together.
use std::ffi::CString;
use std::os::raw::{c_char, c_void};
use std::os::raw::c_char;
use std::ptr::NonNull;
use std::sync::OnceLock;
use std::{ptr, slice, str};
@ -35,15 +35,13 @@ use js::rust::{
MutableHandleValue, ToString,
};
use js::JS_CALLEE;
use malloc_size_of::MallocSizeOfOps;
use crate::dom::bindings::codegen::PrototypeList::{MAX_PROTO_CHAIN_LENGTH, PROTO_OR_IFACE_LENGTH};
use crate::dom::bindings::codegen::{InterfaceObjectMap, PrototypeList};
use crate::dom::bindings::codegen::InterfaceObjectMap;
use crate::dom::bindings::codegen::PrototypeList::PROTO_OR_IFACE_LENGTH;
use crate::dom::bindings::conversions::{
jsstring_to_str, private_from_proto_check, PrototypeCheck,
};
use crate::dom::bindings::error::throw_invalid_this;
use crate::dom::bindings::inheritance::TopTypeId;
use crate::dom::bindings::str::DOMString;
use crate::dom::bindings::trace::trace_object;
use crate::dom::windowproxy::WindowProxyHandler;
@ -111,42 +109,7 @@ pub(crate) const DOM_PROTOTYPE_SLOT: u32 = js::JSCLASS_GLOBAL_SLOT_COUNT;
// changes.
pub(crate) const JSCLASS_DOM_GLOBAL: u32 = js::JSCLASS_USERBIT1;
/// The struct that holds inheritance information for DOM object reflectors.
#[derive(Clone, Copy)]
pub(crate) struct DOMClass {
/// A list of interfaces that this object implements, in order of decreasing
/// derivedness.
pub(crate) interface_chain: [PrototypeList::ID; MAX_PROTO_CHAIN_LENGTH],
/// The last valid index of `interface_chain`.
pub(crate) depth: u8,
/// The type ID of that interface.
pub(crate) type_id: TopTypeId,
/// The MallocSizeOf function wrapper for that interface.
pub(crate) malloc_size_of: unsafe fn(ops: &mut MallocSizeOfOps, *const c_void) -> usize,
/// The `Globals` flag for this global interface, if any.
pub(crate) global: InterfaceObjectMap::Globals,
}
unsafe impl Sync for DOMClass {}
/// The JSClass used for DOM object reflectors.
#[derive(Copy)]
#[repr(C)]
pub(crate) struct DOMJSClass {
/// The actual JSClass.
pub(crate) base: js::jsapi::JSClass,
/// Associated data for DOM object reflectors.
pub(crate) dom_class: DOMClass,
}
impl Clone for DOMJSClass {
fn clone(&self) -> DOMJSClass {
*self
}
}
unsafe impl Sync for DOMJSClass {}
pub(crate) use script_bindings::utils::{DOMClass, DOMJSClass};
/// Returns a JSVal representing the frozen JavaScript array
pub(crate) fn to_frozen_array<T: ToJSValConvertible>(