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This commit is contained in:
Josh Matthews 2023-05-28 23:25:41 -04:00
parent dbff26bce0
commit 0e8ac3fdac
81 changed files with 588 additions and 206 deletions
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63
components/script/dom/bindings/interface.rs
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@ -11,18 +11,24 @@ 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::{
get_proto_or_iface_array, ProtoOrIfaceArray, DOM_PROTOTYPE_SLOT, JSCLASS_DOM_GLOBAL,
DOMJSClass,
get_proto_or_iface_array, DOMJSClass, ProtoOrIfaceArray, DOM_PROTOTYPE_SLOT, JSCLASS_DOM_GLOBAL,
};
use crate::script_runtime::JSContext as SafeJSContext;
use js::error::throw_type_error;
use js::glue::UncheckedUnwrapObject;
use js::jsapi::CheckedUnwrapStatic;
use js::jsapi::CurrentGlobalOrNull;
use js::jsapi::GetFunctionRealm;
use js::jsapi::GetNonCCWObjectGlobal;
use js::jsapi::GetRealmGlobalOrNull;
use js::jsapi::GetWellKnownSymbol;
use js::jsapi::HandleObject as RawHandleObject;
use js::jsapi::JS_GetProperty;
use js::jsapi::JS_WrapObject;
use js::jsapi::{jsid, JSClass, JSClassOps};
use js::jsapi::{
Compartment, CompartmentSpecifier, IsSharableCompartment, IsSystemCompartment,
JS_IterateCompartments, JS::CompartmentIterResult, CallArgs,
CallArgs, Compartment, CompartmentSpecifier, IsSharableCompartment, IsSystemCompartment,
JS_IterateCompartments, JS::CompartmentIterResult,
};
use js::jsapi::{JSAutoRealm, JSContext, JSFunctionSpec, JSObject, JSFUN_CONSTRUCTOR};
use js::jsapi::{JSPropertySpec, JSString, JSTracer, JS_AtomizeAndPinString};
@ -32,15 +38,8 @@ use js::jsapi::{JS_NewStringCopyN, JS_SetReservedSlot};
use js::jsapi::{ObjectOps, OnNewGlobalHookOption, SymbolCode};
use js::jsapi::{TrueHandleValue, Value};
use js::jsapi::{JSPROP_PERMANENT, JSPROP_READONLY, JSPROP_RESOLVING};
use js::jsapi::CheckedUnwrapStatic;
use js::jsapi::JS_GetProperty;
use js::jsapi::GetFunctionRealm;
use js::jsapi::GetRealmGlobalOrNull;
use js::jsapi::GetNonCCWObjectGlobal;
use js::jsapi::JS_WrapObject;
use js::jsapi::CurrentGlobalOrNull;
use js::jsval::{JSVal, PrivateValue};
use js::jsval::NullValue;
use js::jsval::{JSVal, PrivateValue};
use js::rust::is_dom_class;
use js::rust::wrappers::JS_FireOnNewGlobalObject;
use js::rust::wrappers::RUST_SYMBOL_TO_JSID;
@ -603,9 +602,7 @@ pub fn define_dom_interface(
assert!(!proto.is_null());
}
fn get_proto_id_for_new_target(
new_target: HandleObject,
) -> Option<PrototypeList::ID> {
fn get_proto_id_for_new_target(new_target: HandleObject) -> Option<PrototypeList::ID> {
unsafe {
let new_target_class = get_object_class(*new_target);
if is_dom_class(&*new_target_class) {
@ -644,18 +641,17 @@ pub fn get_desired_proto(
rooted!(in(*cx) let original_new_target = *new_target);
// See whether we have a known DOM constructor here, such that we can take a
// fast path.
let target_proto_id = get_proto_id_for_new_target(new_target.handle())
.or_else(|| {
// We might still have a cross-compartment wrapper for a known DOM
// constructor. CheckedUnwrapStatic is fine here, because we're looking for
// DOM constructors and those can't be cross-origin objects.
*new_target = CheckedUnwrapStatic(*new_target);
if !new_target.is_null() && &*new_target != &*original_new_target {
get_proto_id_for_new_target(new_target.handle())
} else {
None
}
});
let target_proto_id = get_proto_id_for_new_target(new_target.handle()).or_else(|| {
// We might still have a cross-compartment wrapper for a known DOM
// constructor. CheckedUnwrapStatic is fine here, because we're looking for
// DOM constructors and those can't be cross-origin objects.
*new_target = CheckedUnwrapStatic(*new_target);
if !new_target.is_null() && &*new_target != &*original_new_target {
get_proto_id_for_new_target(new_target.handle())
} else {
None
}
});
if let Some(proto_id) = target_proto_id {
let global = GetNonCCWObjectGlobal(*new_target);
@ -663,7 +659,7 @@ pub fn get_desired_proto(
desired_proto.set((*proto_or_iface_cache)[proto_id as usize]);
if &*new_target != &*original_new_target {
if !JS_WrapObject(*cx, desired_proto.into()) {
return Err(());
return Err(());
}
}
return Ok(());
@ -674,7 +670,12 @@ pub fn get_desired_proto(
// the fallback prototype we determine the fallback based on the proto id we
// were handed.
rooted!(in(*cx) let mut proto_val = NullValue());
if !JS_GetProperty(*cx, original_new_target.handle().into(), b"prototype\0".as_ptr() as *const libc::c_char, proto_val.handle_mut().into()) {
if !JS_GetProperty(
*cx,
original_new_target.handle().into(),
b"prototype\0".as_ptr() as *const libc::c_char,
proto_val.handle_mut().into(),
) {
return Err(());
}
@ -699,7 +700,7 @@ pub fn get_desired_proto(
global.handle(),
ProtoOrIfaceIndex::ID(proto_id),
creator,
desired_proto
desired_proto,
);
if desired_proto.is_null() {
return Err(());
@ -707,6 +708,6 @@ pub fn get_desired_proto(
}
maybe_wrap_object(*cx, desired_proto);
return Ok(())
return Ok(());
}
}