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Format script component

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This commit is contained in:
chansuke 2018-09-18 23:24:15 +09:00 • committed by Josh Matthews
parent 2ca7a13473
commit c37a345dc9
357 changed files with 25485 additions and 18076 deletions
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97
components/script/dom/bindings/proxyhandler.rs
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@ -30,12 +30,12 @@ use js::rust::wrappers::JS_AlreadyHasOwnPropertyById;
use js::rust::wrappers::JS_NewObjectWithGivenProto;
use std::ptr;
/// Determine if this id shadows any existing properties for this proxy.
pub unsafe extern "C" fn shadow_check_callback(cx: *mut JSContext,
object: RawHandleObject,
id: RawHandleId)
-> DOMProxyShadowsResult {
pub unsafe extern "C" fn shadow_check_callback(
cx: *mut JSContext,
object: RawHandleObject,
id: RawHandleId,
) -> DOMProxyShadowsResult {
// TODO: support OverrideBuiltins when #12978 is fixed.
rooted!(in(cx) let mut expando = ptr::null_mut::<JSObject>());
@ -59,19 +59,19 @@ pub unsafe extern "C" fn shadow_check_callback(cx: *mut JSContext,
/// Initialize the infrastructure for DOM proxy objects.
pub unsafe fn init() {
SetDOMProxyInformation(GetProxyHandlerFamily(),
Some(shadow_check_callback));
SetDOMProxyInformation(GetProxyHandlerFamily(), Some(shadow_check_callback));
}
/// Invoke the [[GetOwnProperty]] trap (`getOwnPropertyDescriptor`) on `proxy`,
/// with argument `id` and return the result, if it is not `undefined`.
/// Otherwise, walk along the prototype chain to find a property with that
/// name.
pub unsafe extern "C" fn get_property_descriptor(cx: *mut JSContext,
proxy: RawHandleObject,
id: RawHandleId,
desc: RawMutableHandle<PropertyDescriptor>)
-> bool {
pub unsafe extern "C" fn get_property_descriptor(
cx: *mut JSContext,
proxy: RawHandleObject,
id: RawHandleId,
desc: RawMutableHandle<PropertyDescriptor>,
) -> bool {
let handler = GetProxyHandler(proxy.get());
if !InvokeGetOwnPropertyDescriptor(handler, cx, proxy, id, desc) {
return false;
@ -91,23 +91,25 @@ pub unsafe extern "C" fn get_property_descriptor(cx: *mut JSContext,
}
/// Defines an expando on the given `proxy`.
pub unsafe extern "C" fn define_property(cx: *mut JSContext,
proxy: RawHandleObject,
id: RawHandleId,
desc: RawHandle<PropertyDescriptor>,
result: *mut ObjectOpResult)
-> bool {
pub unsafe extern "C" fn define_property(
cx: *mut JSContext,
proxy: RawHandleObject,
id: RawHandleId,
desc: RawHandle<PropertyDescriptor>,
result: *mut ObjectOpResult,
) -> bool {
rooted!(in(cx) let mut expando = ptr::null_mut::<JSObject>());
ensure_expando_object(cx, proxy, expando.handle_mut());
JS_DefinePropertyById(cx, expando.handle().into(), id, desc, result)
}
/// Deletes an expando off the given `proxy`.
pub unsafe extern "C" fn delete(cx: *mut JSContext,
proxy: RawHandleObject,
id: RawHandleId,
bp: *mut ObjectOpResult)
-> bool {
pub unsafe extern "C" fn delete(
cx: *mut JSContext,
proxy: RawHandleObject,
id: RawHandleId,
bp: *mut ObjectOpResult,
) -> bool {
rooted!(in(cx) let mut expando = ptr::null_mut::<JSObject>());
get_expando_object(proxy, expando.handle_mut());
if expando.is_null() {
@ -119,19 +121,21 @@ pub unsafe extern "C" fn delete(cx: *mut JSContext,
}
/// Controls whether the Extensible bit can be changed
pub unsafe extern "C" fn prevent_extensions(_cx: *mut JSContext,
_proxy: RawHandleObject,
result: *mut ObjectOpResult)
-> bool {
pub unsafe extern "C" fn prevent_extensions(
_cx: *mut JSContext,
_proxy: RawHandleObject,
result: *mut ObjectOpResult,
) -> bool {
(*result).code_ = JSErrNum::JSMSG_CANT_PREVENT_EXTENSIONS as ::libc::uintptr_t;
true
}
/// Reports whether the object is Extensible
pub unsafe extern "C" fn is_extensible(_cx: *mut JSContext,
_proxy: RawHandleObject,
succeeded: *mut bool)
-> bool {
pub unsafe extern "C" fn is_extensible(
_cx: *mut JSContext,
_proxy: RawHandleObject,
succeeded: *mut bool,
) -> bool {
*succeeded = true;
true
}
@ -145,11 +149,12 @@ pub unsafe extern "C" fn is_extensible(_cx: *mut JSContext,
/// This implementation always handles the case of the ordinary
/// `[[GetPrototypeOf]]` behavior. An alternative implementation will be
/// necessary for the Location object.
pub unsafe extern "C" fn get_prototype_if_ordinary(_: *mut JSContext,
proxy: RawHandleObject,
is_ordinary: *mut bool,
proto: RawMutableHandleObject)
-> bool {
pub unsafe extern "C" fn get_prototype_if_ordinary(
_: *mut JSContext,
proxy: RawHandleObject,
is_ordinary: *mut bool,
proto: RawMutableHandleObject,
) -> bool {
*is_ordinary = true;
proto.set(GetStaticPrototype(proxy.get()));
true
@ -169,11 +174,19 @@ pub unsafe fn get_expando_object(obj: RawHandleObject, mut expando: MutableHandl
/// Get the expando object, or create it if it doesn't exist yet.
/// Fails on JSAPI failure.
pub unsafe fn ensure_expando_object(cx: *mut JSContext, obj: RawHandleObject, mut expando: MutableHandleObject) {
pub unsafe fn ensure_expando_object(
cx: *mut JSContext,
obj: RawHandleObject,
mut expando: MutableHandleObject,
) {
assert!(is_dom_proxy(obj.get()));
get_expando_object(obj, expando);
if expando.is_null() {
expando.set(JS_NewObjectWithGivenProto(cx, ptr::null_mut(), HandleObject::null()));
expando.set(JS_NewObjectWithGivenProto(
cx,
ptr::null_mut(),
HandleObject::null(),
));
assert!(!expando.is_null());
SetProxyPrivate(obj.get(), &ObjectValue(expando.get()));
@ -182,9 +195,11 @@ pub unsafe fn ensure_expando_object(cx: *mut JSContext, obj: RawHandleObject, mu
/// Set the property descriptor's object to `obj` and set it to enumerable,
/// and writable if `readonly` is true.
pub fn fill_property_descriptor(mut desc: MutableHandle<PropertyDescriptor>,
obj: *mut JSObject,
attrs: u32) {
pub fn fill_property_descriptor(
mut desc: MutableHandle<PropertyDescriptor>,
obj: *mut JSObject,
attrs: u32,
) {
desc.obj = obj;
desc.attrs = attrs;
desc.getter = None;