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Adapt Servo for mozjs 0.6 and the changes introduced in servo/rust-mozjs#393

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This commit is contained in:
Marcin Mielniczuk 2018-03-28 21:28:30 +02:00
parent e04d517bff
commit 356c57e628
48 changed files with 403 additions and 307 deletions
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61
components/script/dom/bindings/proxyhandler.rs
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@ -11,15 +11,22 @@ use dom::bindings::utils::delete_property_by_id;
use js::glue::{GetProxyHandler, GetProxyHandlerFamily, SetProxyExtra};
use js::glue::GetProxyExtra;
use js::glue::InvokeGetOwnPropertyDescriptor;
use js::jsapi::{DOMProxyShadowsResult, JSContext, JSObject, JSPROP_GETTER, PropertyDescriptor};
use js::jsapi::{Handle, HandleId, HandleObject, MutableHandle, ObjectOpResult};
use js::jsapi::{JSErrNum, JS_AlreadyHasOwnPropertyById, JS_StrictPropertyStub};
use js::jsapi::{JS_DefinePropertyById, JS_NewObjectWithGivenProto, SetDOMProxyInformation};
use js::jsapi::{DOMProxyShadowsResult, JSContext, JSObject, PropertyDescriptor, JSPROP_GETTER};
use js::jsapi::{JSErrNum, JS_StrictPropertyStub, SetDOMProxyInformation};
use js::jsapi::GetObjectProto;
use js::jsapi::GetStaticPrototype;
use js::jsapi::Handle as RawHandle;
use js::jsapi::HandleId as RawHandleId;
use js::jsapi::HandleObject as RawHandleObject;
use js::jsapi::JS_DefinePropertyById;
use js::jsapi::JS_GetPropertyDescriptorById;
use js::jsapi::MutableHandleObject;
use js::jsapi::MutableHandle as RawMutableHandle;
use js::jsapi::MutableHandleObject as RawMutableHandleObject;
use js::jsapi::ObjectOpResult;
use js::jsval::ObjectValue;
use js::rust::{Handle, HandleObject, MutableHandle, MutableHandleObject};
use js::rust::wrappers::JS_AlreadyHasOwnPropertyById;
use js::rust::wrappers::JS_NewObjectWithGivenProto;
use std::ptr;
@ -27,8 +34,8 @@ static JSPROXYSLOT_EXPANDO: u32 = 0;
/// Determine if this id shadows any existing properties for this proxy.
pub unsafe extern "C" fn shadow_check_callback(cx: *mut JSContext,
object: HandleObject,
id: HandleId)
object: RawHandleObject,
id: RawHandleId)
-> DOMProxyShadowsResult {
// TODO: support OverrideBuiltins when #12978 is fixed.
@ -36,7 +43,9 @@ pub unsafe extern "C" fn shadow_check_callback(cx: *mut JSContext,
get_expando_object(object, expando.handle_mut());
if !expando.get().is_null() {
let mut has_own = false;
if !JS_AlreadyHasOwnPropertyById(cx, expando.handle(), id, &mut has_own) {
let raw_id = Handle::from_raw(id);
if !JS_AlreadyHasOwnPropertyById(cx, expando.handle(), raw_id, &mut has_own) {
return DOMProxyShadowsResult::ShadowCheckFailed;
}
@ -61,9 +70,9 @@ pub unsafe fn init() {
/// 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: HandleObject,
id: HandleId,
desc: MutableHandle<PropertyDescriptor>)
proxy: RawHandleObject,
id: RawHandleId,
desc: RawMutableHandle<PropertyDescriptor>)
-> bool {
let handler = GetProxyHandler(proxy.get());
if !InvokeGetOwnPropertyDescriptor(handler, cx, proxy, id, desc) {
@ -74,20 +83,20 @@ pub unsafe extern "C" fn get_property_descriptor(cx: *mut JSContext,
}
rooted!(in(cx) let mut proto = ptr::null_mut::<JSObject>());
if !GetObjectProto(cx, proxy, proto.handle_mut()) {
if !GetObjectProto(cx, proxy, proto.handle_mut().into()) {
// FIXME(#11868) Should assign to desc.obj, desc.get() is a copy.
desc.get().obj = ptr::null_mut();
return true;
}
JS_GetPropertyDescriptorById(cx, proto.handle(), id, desc)
JS_GetPropertyDescriptorById(cx, proto.handle().into(), id, desc)
}
/// Defines an expando on the given `proxy`.
pub unsafe extern "C" fn define_property(cx: *mut JSContext,
proxy: HandleObject,
id: HandleId,
desc: Handle<PropertyDescriptor>,
proxy: RawHandleObject,
id: RawHandleId,
desc: RawHandle<PropertyDescriptor>,
result: *mut ObjectOpResult)
-> bool {
if (desc.get().attrs & JSPROP_GETTER) != 0 && desc.get().setter == Some(JS_StrictPropertyStub) {
@ -97,13 +106,13 @@ pub unsafe extern "C" fn define_property(cx: *mut JSContext,
rooted!(in(cx) let mut expando = ptr::null_mut::<JSObject>());
ensure_expando_object(cx, proxy, expando.handle_mut());
JS_DefinePropertyById(cx, expando.handle(), id, desc, result)
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: HandleObject,
id: HandleId,
proxy: RawHandleObject,
id: RawHandleId,
bp: *mut ObjectOpResult)
-> bool {
rooted!(in(cx) let mut expando = ptr::null_mut::<JSObject>());
@ -113,12 +122,12 @@ pub unsafe extern "C" fn delete(cx: *mut JSContext,
return true;
}
delete_property_by_id(cx, expando.handle(), id, bp)
delete_property_by_id(cx, expando.handle(), Handle::from_raw(id), bp)
}
/// Controls whether the Extensible bit can be changed
pub unsafe extern "C" fn prevent_extensions(_cx: *mut JSContext,
_proxy: HandleObject,
_proxy: RawHandleObject,
result: *mut ObjectOpResult)
-> bool {
(*result).code_ = JSErrNum::JSMSG_CANT_PREVENT_EXTENSIONS as ::libc::uintptr_t;
@ -127,7 +136,7 @@ pub unsafe extern "C" fn prevent_extensions(_cx: *mut JSContext,
/// Reports whether the object is Extensible
pub unsafe extern "C" fn is_extensible(_cx: *mut JSContext,
_proxy: HandleObject,
_proxy: RawHandleObject,
succeeded: *mut bool)
-> bool {
*succeeded = true;
@ -144,9 +153,9 @@ pub unsafe extern "C" fn is_extensible(_cx: *mut JSContext,
/// `[[GetPrototypeOf]]` behavior. An alternative implementation will be
/// necessary for the Location object.
pub unsafe extern "C" fn get_prototype_if_ordinary(_: *mut JSContext,
proxy: HandleObject,
proxy: RawHandleObject,
is_ordinary: *mut bool,
proto: MutableHandleObject)
proto: RawMutableHandleObject)
-> bool {
*is_ordinary = true;
proto.set(GetStaticPrototype(proxy.get()));
@ -154,7 +163,7 @@ pub unsafe extern "C" fn get_prototype_if_ordinary(_: *mut JSContext,
}
/// Get the expando object, or null if there is none.
pub unsafe fn get_expando_object(obj: HandleObject, expando: MutableHandleObject) {
pub unsafe fn get_expando_object(obj: RawHandleObject, mut expando: MutableHandleObject) {
assert!(is_dom_proxy(obj.get()));
let val = GetProxyExtra(obj.get(), JSPROXYSLOT_EXPANDO);
expando.set(if val.is_undefined() {
@ -166,7 +175,7 @@ pub unsafe fn get_expando_object(obj: HandleObject, expando: MutableHandleObject
/// 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: HandleObject, 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() {