/* THIS FILE IS AUTOGENERATED FROM XMLHttpRequest.webidl BY Codegen.py - DO NOT EDIT */ #include #include "AtomList.h" #include "EventHandlerBinding.h" #include "MainThreadUtils.h" #include "OriginAttributesBinding.h" #include "WrapperFactory.h" #include "XMLHttpRequestBinding.h" #include "XMLHttpRequestEventTargetBinding.h" #include "XrayWrapper.h" #include "js/CallAndConstruct.h" #include "js/Exception.h" #include "js/MapAndSet.h" #include "js/Object.h" #include "js/PropertyAndElement.h" #include "js/PropertyDescriptor.h" #include "js/experimental/JitInfo.h" #include "jsapi.h" #include "jsfriendapi.h" #include "mozilla/Atomics.h" #include "mozilla/OwningNonNull.h" #include "mozilla/ProfilerLabels.h" #include "mozilla/dom/BindingCallContext.h" #include "mozilla/dom/BindingUtils.h" #include "mozilla/dom/Blob.h" #include "mozilla/dom/DOMJSClass.h" #include "mozilla/dom/Document.h" #include "mozilla/dom/FormData.h" #include "mozilla/dom/NonRefcountedDOMObject.h" #include "mozilla/dom/Nullable.h" #include "mozilla/dom/PrimitiveConversions.h" #include "mozilla/dom/ScriptSettings.h" #include "mozilla/dom/SimpleGlobalObject.h" #include "mozilla/dom/TypedArray.h" #include "mozilla/dom/URLSearchParams.h" #include "mozilla/dom/WebIDLPrefs.h" #include "mozilla/dom/XMLHttpRequest.h" #include "mozilla/dom/XMLHttpRequestUpload.h" #include "mozilla/dom/XrayExpandoClass.h" #include "nsContentUtils.h" #include "nsIChannel.h" #include "nsIInputStream.h" #include "nsThreadUtils.h" namespace mozilla { namespace dom { namespace binding_detail {}; // Just to make sure it's known as a namespace using namespace mozilla::dom::binding_detail; namespace binding_detail { constexpr nsLiteralCString EnumStrings::Values[6]; } // namespace binding_detail bool ToJSValue(JSContext* aCx, XMLHttpRequestResponseType aArgument, JS::MutableHandle aValue) { MOZ_ASSERT(uint32_t(aArgument) < std::size(binding_detail::EnumStrings::Values)); JSString* resultStr = JS_NewStringCopyN(aCx, binding_detail::EnumStrings::Values[uint32_t(aArgument)].BeginReading(), binding_detail::EnumStrings::Values[uint32_t(aArgument)].Length()); if (!resultStr) { return false; } aValue.setString(resultStr); return true; } void ImplCycleCollectionTraverse(nsCycleCollectionTraversalCallback& aCallback, OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString& aUnion, const char* aName, uint32_t aFlags) { if (aUnion.IsDocument()) { ImplCycleCollectionTraverse(aCallback, aUnion.GetAsDocument(), "mDocument", aFlags); } else if (aUnion.IsBlob()) { ImplCycleCollectionTraverse(aCallback, aUnion.GetAsBlob(), "mBlob", aFlags); } else if (aUnion.IsFormData()) { ImplCycleCollectionTraverse(aCallback, aUnion.GetAsFormData(), "mFormData", aFlags); } else if (aUnion.IsURLSearchParams()) { ImplCycleCollectionTraverse(aCallback, aUnion.GetAsURLSearchParams(), "mURLSearchParams", aFlags); } } void ImplCycleCollectionUnlink(OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString& aUnion) { aUnion.Uninit(); } bool DocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::TrySetToDocument(BindingCallContext& cx, JS::Handle value, bool& tryNext, bool passedToJSImpl) { tryNext = false; { // scope for memberSlot NonNull& memberSlot = RawSetAsDocument(); { // Our JSContext should be in the right global to do unwrapping in. nsresult rv = UnwrapObject(value, memberSlot, cx); if (NS_FAILED(rv)) { DestroyDocument(); tryNext = true; return true; } } } return true; } bool DocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::TrySetToDocument(JSContext* cx_, JS::Handle value, bool& tryNext, bool passedToJSImpl) { BindingCallContext cx(cx_, nullptr); return TrySetToDocument(cx, value, tryNext, passedToJSImpl); } bool DocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::TrySetToBlob(BindingCallContext& cx, JS::Handle value, bool& tryNext, bool passedToJSImpl) { tryNext = false; { // scope for memberSlot NonNull& memberSlot = RawSetAsBlob(); { // Our JSContext should be in the right global to do unwrapping in. nsresult rv = UnwrapObject(value, memberSlot, cx); if (NS_FAILED(rv)) { DestroyBlob(); tryNext = true; return true; } } } return true; } bool DocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::TrySetToBlob(JSContext* cx_, JS::Handle value, bool& tryNext, bool passedToJSImpl) { BindingCallContext cx(cx_, nullptr); return TrySetToBlob(cx, value, tryNext, passedToJSImpl); } bool DocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::TrySetToArrayBufferView(BindingCallContext& cx, JS::Handle value, bool& tryNext, bool passedToJSImpl) { tryNext = false; { // scope for memberSlot RootedSpiderMonkeyInterface& memberSlot = RawSetAsArrayBufferView(cx); if (!memberSlot.Init(&value.toObject())) { DestroyArrayBufferView(); tryNext = true; return true; } if (JS::IsArrayBufferViewShared(memberSlot.Obj())) { cx.ThrowErrorMessage("ArrayBufferView branch of (Document or (Blob or (ArrayBufferView or ArrayBuffer) or FormData or URLSearchParams or USVString))"); return false; } if (JS::IsLargeArrayBufferView(memberSlot.Obj())) { cx.ThrowErrorMessage("ArrayBufferView branch of (Document or (Blob or (ArrayBufferView or ArrayBuffer) or FormData or URLSearchParams or USVString))"); return false; } if (JS::IsResizableArrayBufferView(memberSlot.Obj())) { cx.ThrowErrorMessage("ArrayBufferView branch of (Document or (Blob or (ArrayBufferView or ArrayBuffer) or FormData or URLSearchParams or USVString))"); return false; } if (JS::IsImmutableArrayBufferView(memberSlot.Obj())) { cx.ThrowErrorMessage("ArrayBufferView branch of (Document or (Blob or (ArrayBufferView or ArrayBuffer) or FormData or URLSearchParams or USVString))"); return false; } } return true; } bool DocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::TrySetToArrayBufferView(JSContext* cx_, JS::Handle value, bool& tryNext, bool passedToJSImpl) { BindingCallContext cx(cx_, nullptr); return TrySetToArrayBufferView(cx, value, tryNext, passedToJSImpl); } bool DocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::TrySetToArrayBuffer(BindingCallContext& cx, JS::Handle value, bool& tryNext, bool passedToJSImpl) { tryNext = false; { // scope for memberSlot RootedSpiderMonkeyInterface& memberSlot = RawSetAsArrayBuffer(cx); if (!memberSlot.Init(&value.toObject())) { DestroyArrayBuffer(); tryNext = true; return true; } if (JS::IsSharedArrayBufferObject(memberSlot.Obj())) { cx.ThrowErrorMessage("ArrayBuffer branch of (Document or (Blob or (ArrayBufferView or ArrayBuffer) or FormData or URLSearchParams or USVString))"); return false; } if (JS::IsLargeArrayBufferMaybeShared(memberSlot.Obj())) { cx.ThrowErrorMessage("ArrayBuffer branch of (Document or (Blob or (ArrayBufferView or ArrayBuffer) or FormData or URLSearchParams or USVString))"); return false; } if (JS::IsResizableArrayBufferMaybeShared(memberSlot.Obj())) { cx.ThrowErrorMessage("ArrayBuffer branch of (Document or (Blob or (ArrayBufferView or ArrayBuffer) or FormData or URLSearchParams or USVString))"); return false; } if (JS::IsImmutableArrayBufferMaybeShared(memberSlot.Obj())) { cx.ThrowErrorMessage("ArrayBuffer branch of (Document or (Blob or (ArrayBufferView or ArrayBuffer) or FormData or URLSearchParams or USVString))"); return false; } } return true; } bool DocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::TrySetToArrayBuffer(JSContext* cx_, JS::Handle value, bool& tryNext, bool passedToJSImpl) { BindingCallContext cx(cx_, nullptr); return TrySetToArrayBuffer(cx, value, tryNext, passedToJSImpl); } bool DocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::TrySetToFormData(BindingCallContext& cx, JS::Handle value, bool& tryNext, bool passedToJSImpl) { tryNext = false; { // scope for memberSlot NonNull& memberSlot = RawSetAsFormData(); { // Our JSContext should be in the right global to do unwrapping in. nsresult rv = UnwrapObject(value, memberSlot, cx); if (NS_FAILED(rv)) { DestroyFormData(); tryNext = true; return true; } } } return true; } bool DocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::TrySetToFormData(JSContext* cx_, JS::Handle value, bool& tryNext, bool passedToJSImpl) { BindingCallContext cx(cx_, nullptr); return TrySetToFormData(cx, value, tryNext, passedToJSImpl); } bool DocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::TrySetToURLSearchParams(BindingCallContext& cx, JS::Handle value, bool& tryNext, bool passedToJSImpl) { tryNext = false; { // scope for memberSlot NonNull& memberSlot = RawSetAsURLSearchParams(); { // Our JSContext should be in the right global to do unwrapping in. nsresult rv = UnwrapObject(value, memberSlot, cx); if (NS_FAILED(rv)) { DestroyURLSearchParams(); tryNext = true; return true; } } } return true; } bool DocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::TrySetToURLSearchParams(JSContext* cx_, JS::Handle value, bool& tryNext, bool passedToJSImpl) { BindingCallContext cx(cx_, nullptr); return TrySetToURLSearchParams(cx, value, tryNext, passedToJSImpl); } bool DocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::TrySetToUSVString(JSContext* cx, JS::Handle value, bool& tryNext, bool passedToJSImpl) { tryNext = false; { // scope for memberSlot nsAutoString& memberSlot = RawSetAsUSVString(); if (!ConvertJSValueToString(cx, value, eStringify, eStringify, memberSlot)) { return false; } if (!NormalizeUSVString(memberSlot)) { JS_ReportOutOfMemory(cx); return false; } } return true; } bool DocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::Init(BindingCallContext& cx, JS::Handle value, const char* sourceDescription, bool passedToJSImpl) { MOZ_ASSERT(mType == eUninitialized); bool done = false, failed = false, tryNext; if (value.isObject()) { done = (failed = !TrySetToDocument(cx, value, tryNext, passedToJSImpl)) || !tryNext || (failed = !TrySetToBlob(cx, value, tryNext, passedToJSImpl)) || !tryNext || (failed = !TrySetToArrayBufferView(cx, value, tryNext, passedToJSImpl)) || !tryNext || (failed = !TrySetToArrayBuffer(cx, value, tryNext, passedToJSImpl)) || !tryNext || (failed = !TrySetToFormData(cx, value, tryNext, passedToJSImpl)) || !tryNext || (failed = !TrySetToURLSearchParams(cx, value, tryNext, passedToJSImpl)) || !tryNext; } if (!done) { do { done = (failed = !TrySetToUSVString(cx, value, tryNext)) || !tryNext; break; } while (false); } if (failed) { return false; } if (!done) { cx.ThrowErrorMessage(sourceDescription, "Document, Blob, ArrayBufferView, ArrayBuffer, FormData, URLSearchParams"); return false; } return true; } bool DocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::Init(JSContext* cx_, JS::Handle value, const char* sourceDescription, bool passedToJSImpl) { BindingCallContext cx(cx_, nullptr); return Init(cx, value, sourceDescription, passedToJSImpl); } bool DocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::ToJSVal(JSContext* cx, JS::Handle scopeObj, JS::MutableHandle rval) const { switch (mType) { case eUninitialized: { return false; } case eDocument: { if (!GetOrCreateDOMReflector(cx, mValue.mDocument.Value(), rval)) { MOZ_ASSERT(JS_IsExceptionPending(cx)); return false; } return true; } case eBlob: { if (!GetOrCreateDOMReflector(cx, mValue.mBlob.Value(), rval)) { MOZ_ASSERT(JS_IsExceptionPending(cx)); return false; } return true; } case eArrayBufferView: { rval.setObject(*mValue.mArrayBufferView.Value().Obj()); if (!MaybeWrapNonDOMObjectValue(cx, rval)) { return false; } return true; } case eArrayBuffer: { rval.setObject(*mValue.mArrayBuffer.Value().Obj()); if (!MaybeWrapNonDOMObjectValue(cx, rval)) { return false; } return true; } case eFormData: { if (!GetOrCreateDOMReflector(cx, mValue.mFormData.Value(), rval)) { MOZ_ASSERT(JS_IsExceptionPending(cx)); return false; } return true; } case eURLSearchParams: { if (!GetOrCreateDOMReflector(cx, mValue.mURLSearchParams.Value(), rval)) { MOZ_ASSERT(JS_IsExceptionPending(cx)); return false; } return true; } case eUSVString: { if (!xpc::NonVoidStringToJsval(cx, mValue.mUSVString.Value(), rval)) { return false; } return true; } default: { return false; } } } OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString(OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString&& aOther) : mType(eUninitialized) { switch (aOther.mType) { case eUninitialized: { MOZ_ASSERT(mType == eUninitialized, "We need to destroy ourselves?"); break; } case eDocument: { mType = eDocument; mValue.mDocument.SetValue(std::move(aOther.mValue.mDocument.Value())); break; } case eBlob: { mType = eBlob; mValue.mBlob.SetValue(std::move(aOther.mValue.mBlob.Value())); break; } case eArrayBufferView: { mType = eArrayBufferView; mValue.mArrayBufferView.SetValue(std::move(aOther.mValue.mArrayBufferView.Value())); break; } case eArrayBuffer: { mType = eArrayBuffer; mValue.mArrayBuffer.SetValue(std::move(aOther.mValue.mArrayBuffer.Value())); break; } case eFormData: { mType = eFormData; mValue.mFormData.SetValue(std::move(aOther.mValue.mFormData.Value())); break; } case eURLSearchParams: { mType = eURLSearchParams; mValue.mURLSearchParams.SetValue(std::move(aOther.mValue.mURLSearchParams.Value())); break; } case eUSVString: { mType = eUSVString; mValue.mUSVString.SetValue(std::move(aOther.mValue.mUSVString.Value())); break; } } } bool OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::TrySetToDocument(BindingCallContext& cx, JS::Handle value, bool& tryNext, bool passedToJSImpl) { tryNext = false; { // scope for memberSlot OwningNonNull& memberSlot = RawSetAsDocument(); static_assert(IsRefcounted::value, "We can only store refcounted classes."); { // Our JSContext should be in the right global to do unwrapping in. nsresult rv = UnwrapObject(value, memberSlot, cx); if (NS_FAILED(rv)) { DestroyDocument(); tryNext = true; return true; } } } return true; } bool OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::TrySetToDocument(JSContext* cx_, JS::Handle value, bool& tryNext, bool passedToJSImpl) { BindingCallContext cx(cx_, nullptr); return TrySetToDocument(cx, value, tryNext, passedToJSImpl); } [[nodiscard]] OwningNonNull& OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::RawSetAsDocument() { if (mType == eDocument) { return mValue.mDocument.Value(); } MOZ_ASSERT(mType == eUninitialized); mType = eDocument; return mValue.mDocument.SetValue(); } [[nodiscard]] OwningNonNull& OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::SetAsDocument() { if (mType == eDocument) { return mValue.mDocument.Value(); } Uninit(); mType = eDocument; return mValue.mDocument.SetValue(); } void OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::DestroyDocument() { MOZ_RELEASE_ASSERT(IsDocument(), "Wrong type!"); mValue.mDocument.Destroy(); mType = eUninitialized; } bool OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::TrySetToBlob(BindingCallContext& cx, JS::Handle value, bool& tryNext, bool passedToJSImpl) { tryNext = false; { // scope for memberSlot OwningNonNull& memberSlot = RawSetAsBlob(); static_assert(IsRefcounted::value, "We can only store refcounted classes."); { // Our JSContext should be in the right global to do unwrapping in. nsresult rv = UnwrapObject(value, memberSlot, cx); if (NS_FAILED(rv)) { DestroyBlob(); tryNext = true; return true; } } } return true; } bool OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::TrySetToBlob(JSContext* cx_, JS::Handle value, bool& tryNext, bool passedToJSImpl) { BindingCallContext cx(cx_, nullptr); return TrySetToBlob(cx, value, tryNext, passedToJSImpl); } [[nodiscard]] OwningNonNull& OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::RawSetAsBlob() { if (mType == eBlob) { return mValue.mBlob.Value(); } MOZ_ASSERT(mType == eUninitialized); mType = eBlob; return mValue.mBlob.SetValue(); } [[nodiscard]] OwningNonNull& OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::SetAsBlob() { if (mType == eBlob) { return mValue.mBlob.Value(); } Uninit(); mType = eBlob; return mValue.mBlob.SetValue(); } void OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::DestroyBlob() { MOZ_RELEASE_ASSERT(IsBlob(), "Wrong type!"); mValue.mBlob.Destroy(); mType = eUninitialized; } bool OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::TrySetToArrayBufferView(BindingCallContext& cx, JS::Handle value, bool& tryNext, bool passedToJSImpl) { tryNext = false; { // scope for memberSlot ArrayBufferView& memberSlot = RawSetAsArrayBufferView(); if (!memberSlot.Init(&value.toObject())) { DestroyArrayBufferView(); tryNext = true; return true; } if (JS::IsArrayBufferViewShared(memberSlot.Obj())) { cx.ThrowErrorMessage("ArrayBufferView branch of (Document or (Blob or (ArrayBufferView or ArrayBuffer) or FormData or URLSearchParams or USVString))"); return false; } if (JS::IsLargeArrayBufferView(memberSlot.Obj())) { cx.ThrowErrorMessage("ArrayBufferView branch of (Document or (Blob or (ArrayBufferView or ArrayBuffer) or FormData or URLSearchParams or USVString))"); return false; } if (JS::IsResizableArrayBufferView(memberSlot.Obj())) { cx.ThrowErrorMessage("ArrayBufferView branch of (Document or (Blob or (ArrayBufferView or ArrayBuffer) or FormData or URLSearchParams or USVString))"); return false; } if (JS::IsImmutableArrayBufferView(memberSlot.Obj())) { cx.ThrowErrorMessage("ArrayBufferView branch of (Document or (Blob or (ArrayBufferView or ArrayBuffer) or FormData or URLSearchParams or USVString))"); return false; } } return true; } bool OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::TrySetToArrayBufferView(JSContext* cx_, JS::Handle value, bool& tryNext, bool passedToJSImpl) { BindingCallContext cx(cx_, nullptr); return TrySetToArrayBufferView(cx, value, tryNext, passedToJSImpl); } [[nodiscard]] ArrayBufferView& OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::RawSetAsArrayBufferView() { if (mType == eArrayBufferView) { return mValue.mArrayBufferView.Value(); } MOZ_ASSERT(mType == eUninitialized); mType = eArrayBufferView; return mValue.mArrayBufferView.SetValue(); } [[nodiscard]] ArrayBufferView& OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::SetAsArrayBufferView() { if (mType == eArrayBufferView) { return mValue.mArrayBufferView.Value(); } Uninit(); mType = eArrayBufferView; return mValue.mArrayBufferView.SetValue(); } void OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::DestroyArrayBufferView() { MOZ_RELEASE_ASSERT(IsArrayBufferView(), "Wrong type!"); mValue.mArrayBufferView.Destroy(); mType = eUninitialized; } bool OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::TrySetToArrayBuffer(BindingCallContext& cx, JS::Handle value, bool& tryNext, bool passedToJSImpl) { tryNext = false; { // scope for memberSlot ArrayBuffer& memberSlot = RawSetAsArrayBuffer(); if (!memberSlot.Init(&value.toObject())) { DestroyArrayBuffer(); tryNext = true; return true; } if (JS::IsSharedArrayBufferObject(memberSlot.Obj())) { cx.ThrowErrorMessage("ArrayBuffer branch of (Document or (Blob or (ArrayBufferView or ArrayBuffer) or FormData or URLSearchParams or USVString))"); return false; } if (JS::IsLargeArrayBufferMaybeShared(memberSlot.Obj())) { cx.ThrowErrorMessage("ArrayBuffer branch of (Document or (Blob or (ArrayBufferView or ArrayBuffer) or FormData or URLSearchParams or USVString))"); return false; } if (JS::IsResizableArrayBufferMaybeShared(memberSlot.Obj())) { cx.ThrowErrorMessage("ArrayBuffer branch of (Document or (Blob or (ArrayBufferView or ArrayBuffer) or FormData or URLSearchParams or USVString))"); return false; } if (JS::IsImmutableArrayBufferMaybeShared(memberSlot.Obj())) { cx.ThrowErrorMessage("ArrayBuffer branch of (Document or (Blob or (ArrayBufferView or ArrayBuffer) or FormData or URLSearchParams or USVString))"); return false; } } return true; } bool OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::TrySetToArrayBuffer(JSContext* cx_, JS::Handle value, bool& tryNext, bool passedToJSImpl) { BindingCallContext cx(cx_, nullptr); return TrySetToArrayBuffer(cx, value, tryNext, passedToJSImpl); } [[nodiscard]] ArrayBuffer& OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::RawSetAsArrayBuffer() { if (mType == eArrayBuffer) { return mValue.mArrayBuffer.Value(); } MOZ_ASSERT(mType == eUninitialized); mType = eArrayBuffer; return mValue.mArrayBuffer.SetValue(); } [[nodiscard]] ArrayBuffer& OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::SetAsArrayBuffer() { if (mType == eArrayBuffer) { return mValue.mArrayBuffer.Value(); } Uninit(); mType = eArrayBuffer; return mValue.mArrayBuffer.SetValue(); } void OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::DestroyArrayBuffer() { MOZ_RELEASE_ASSERT(IsArrayBuffer(), "Wrong type!"); mValue.mArrayBuffer.Destroy(); mType = eUninitialized; } bool OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::TrySetToFormData(BindingCallContext& cx, JS::Handle value, bool& tryNext, bool passedToJSImpl) { tryNext = false; { // scope for memberSlot OwningNonNull& memberSlot = RawSetAsFormData(); static_assert(IsRefcounted::value, "We can only store refcounted classes."); { // Our JSContext should be in the right global to do unwrapping in. nsresult rv = UnwrapObject(value, memberSlot, cx); if (NS_FAILED(rv)) { DestroyFormData(); tryNext = true; return true; } } } return true; } bool OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::TrySetToFormData(JSContext* cx_, JS::Handle value, bool& tryNext, bool passedToJSImpl) { BindingCallContext cx(cx_, nullptr); return TrySetToFormData(cx, value, tryNext, passedToJSImpl); } [[nodiscard]] OwningNonNull& OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::RawSetAsFormData() { if (mType == eFormData) { return mValue.mFormData.Value(); } MOZ_ASSERT(mType == eUninitialized); mType = eFormData; return mValue.mFormData.SetValue(); } [[nodiscard]] OwningNonNull& OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::SetAsFormData() { if (mType == eFormData) { return mValue.mFormData.Value(); } Uninit(); mType = eFormData; return mValue.mFormData.SetValue(); } void OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::DestroyFormData() { MOZ_RELEASE_ASSERT(IsFormData(), "Wrong type!"); mValue.mFormData.Destroy(); mType = eUninitialized; } bool OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::TrySetToURLSearchParams(BindingCallContext& cx, JS::Handle value, bool& tryNext, bool passedToJSImpl) { tryNext = false; { // scope for memberSlot OwningNonNull& memberSlot = RawSetAsURLSearchParams(); static_assert(IsRefcounted::value, "We can only store refcounted classes."); { // Our JSContext should be in the right global to do unwrapping in. nsresult rv = UnwrapObject(value, memberSlot, cx); if (NS_FAILED(rv)) { DestroyURLSearchParams(); tryNext = true; return true; } } } return true; } bool OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::TrySetToURLSearchParams(JSContext* cx_, JS::Handle value, bool& tryNext, bool passedToJSImpl) { BindingCallContext cx(cx_, nullptr); return TrySetToURLSearchParams(cx, value, tryNext, passedToJSImpl); } [[nodiscard]] OwningNonNull& OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::RawSetAsURLSearchParams() { if (mType == eURLSearchParams) { return mValue.mURLSearchParams.Value(); } MOZ_ASSERT(mType == eUninitialized); mType = eURLSearchParams; return mValue.mURLSearchParams.SetValue(); } [[nodiscard]] OwningNonNull& OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::SetAsURLSearchParams() { if (mType == eURLSearchParams) { return mValue.mURLSearchParams.Value(); } Uninit(); mType = eURLSearchParams; return mValue.mURLSearchParams.SetValue(); } void OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::DestroyURLSearchParams() { MOZ_RELEASE_ASSERT(IsURLSearchParams(), "Wrong type!"); mValue.mURLSearchParams.Destroy(); mType = eUninitialized; } bool OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::TrySetToUSVString(JSContext* cx, JS::Handle value, bool& tryNext, bool passedToJSImpl) { tryNext = false; { // scope for memberSlot nsString& memberSlot = RawSetAsUSVString(); if (!ConvertJSValueToString(cx, value, eStringify, eStringify, memberSlot)) { return false; } if (!NormalizeUSVString(memberSlot)) { JS_ReportOutOfMemory(cx); return false; } } return true; } [[nodiscard]] nsString& OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::RawSetAsUSVString() { if (mType == eUSVString) { return mValue.mUSVString.Value(); } MOZ_ASSERT(mType == eUninitialized); mType = eUSVString; return mValue.mUSVString.SetValue(); } [[nodiscard]] nsString& OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::SetAsUSVString() { if (mType == eUSVString) { return mValue.mUSVString.Value(); } Uninit(); mType = eUSVString; return mValue.mUSVString.SetValue(); } void OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::DestroyUSVString() { MOZ_RELEASE_ASSERT(IsUSVString(), "Wrong type!"); mValue.mUSVString.Destroy(); mType = eUninitialized; } bool OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::Init(BindingCallContext& cx, JS::Handle value, const char* sourceDescription, bool passedToJSImpl) { MOZ_ASSERT(mType == eUninitialized); bool done = false, failed = false, tryNext; if (value.isObject()) { done = (failed = !TrySetToDocument(cx, value, tryNext, passedToJSImpl)) || !tryNext || (failed = !TrySetToBlob(cx, value, tryNext, passedToJSImpl)) || !tryNext || (failed = !TrySetToArrayBufferView(cx, value, tryNext, passedToJSImpl)) || !tryNext || (failed = !TrySetToArrayBuffer(cx, value, tryNext, passedToJSImpl)) || !tryNext || (failed = !TrySetToFormData(cx, value, tryNext, passedToJSImpl)) || !tryNext || (failed = !TrySetToURLSearchParams(cx, value, tryNext, passedToJSImpl)) || !tryNext; } if (!done) { do { done = (failed = !TrySetToUSVString(cx, value, tryNext)) || !tryNext; break; } while (false); } if (failed) { return false; } if (!done) { cx.ThrowErrorMessage(sourceDescription, "Document, Blob, ArrayBufferView, ArrayBuffer, FormData, URLSearchParams"); return false; } return true; } bool OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::Init(JSContext* cx_, JS::Handle value, const char* sourceDescription, bool passedToJSImpl) { BindingCallContext cx(cx_, nullptr); return Init(cx, value, sourceDescription, passedToJSImpl); } void OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::Uninit() { switch (mType) { case eUninitialized: { break; } case eDocument: { DestroyDocument(); break; } case eBlob: { DestroyBlob(); break; } case eArrayBufferView: { DestroyArrayBufferView(); break; } case eArrayBuffer: { DestroyArrayBuffer(); break; } case eFormData: { DestroyFormData(); break; } case eURLSearchParams: { DestroyURLSearchParams(); break; } case eUSVString: { DestroyUSVString(); break; } } } bool OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::ToJSVal(JSContext* cx, JS::Handle scopeObj, JS::MutableHandle rval) const { switch (mType) { case eUninitialized: { return false; } case eDocument: { if (!GetOrCreateDOMReflector(cx, mValue.mDocument.Value(), rval)) { MOZ_ASSERT(JS_IsExceptionPending(cx)); return false; } return true; } case eBlob: { if (!GetOrCreateDOMReflector(cx, mValue.mBlob.Value(), rval)) { MOZ_ASSERT(JS_IsExceptionPending(cx)); return false; } return true; } case eArrayBufferView: { rval.setObject(*mValue.mArrayBufferView.Value().Obj()); if (!MaybeWrapNonDOMObjectValue(cx, rval)) { return false; } return true; } case eArrayBuffer: { rval.setObject(*mValue.mArrayBuffer.Value().Obj()); if (!MaybeWrapNonDOMObjectValue(cx, rval)) { return false; } return true; } case eFormData: { if (!GetOrCreateDOMReflector(cx, mValue.mFormData.Value(), rval)) { MOZ_ASSERT(JS_IsExceptionPending(cx)); return false; } return true; } case eURLSearchParams: { if (!GetOrCreateDOMReflector(cx, mValue.mURLSearchParams.Value(), rval)) { MOZ_ASSERT(JS_IsExceptionPending(cx)); return false; } return true; } case eUSVString: { if (!xpc::NonVoidStringToJsval(cx, mValue.mUSVString.Value(), rval)) { return false; } return true; } default: { return false; } } } void OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::TraceUnion(JSTracer* trc) { switch (mType) { case eArrayBufferView: { mValue.mArrayBufferView.Value().TraceSelf(trc); break; } case eArrayBuffer: { mValue.mArrayBuffer.Value().TraceSelf(trc); break; } default: { } } } OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString& OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString::operator=(OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString&& aOther) { this->~OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString(); new (this) OwningDocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString (std::move(aOther)); return *this; } MozXMLHttpRequestParameters::MozXMLHttpRequestParameters() { // Safe to pass a null context if we pass a null value Init(nullptr, JS::NullHandleValue); } bool MozXMLHttpRequestParameters::InitIds(JSContext* cx, MozXMLHttpRequestParametersAtoms* atomsCache) { MOZ_ASSERT(reinterpret_cast(atomsCache)->isVoid()); // Initialize these in reverse order so that any failure leaves the first one // uninitialized. if (!atomsCache->mozSystem_id.init(cx, "mozSystem") || !atomsCache->mozAnon_id.init(cx, "mozAnon")) { return false; } return true; } bool MozXMLHttpRequestParameters::Init(BindingCallContext& cx, JS::Handle val, const char* sourceDescription, bool passedToJSImpl) { // Passing a null JSContext is OK only if we're initing from null, // Since in that case we will not have to do any property gets // Also evaluate isNullOrUndefined in order to avoid false-positive // checkers by static analysis tools MOZ_ASSERT_IF(!cx, val.isNull() && val.isNullOrUndefined()); MozXMLHttpRequestParametersAtoms* atomsCache = nullptr; if (cx) { atomsCache = GetAtomCache(cx); if (reinterpret_cast(atomsCache)->isVoid() && !InitIds(cx, atomsCache)) { return false; } } if (!IsConvertibleToDictionary(val)) { return cx.ThrowErrorMessage(sourceDescription, "dictionary"); } bool isNull = val.isNullOrUndefined(); // We only need these if !isNull, in which case we have |cx|. Maybe > object; Maybe > temp; if (!isNull) { MOZ_ASSERT(cx); object.emplace(cx, &val.toObject()); temp.emplace(cx); } if (!isNull) { if (!JS_GetPropertyById(cx, *object, atomsCache->mozAnon_id, temp.ptr())) { return false; } } if (!isNull && !temp->isUndefined()) { mMozAnon.Construct(); if (!ValueToPrimitive(cx, temp.ref(), "'mozAnon' member of MozXMLHttpRequestParameters", &(mMozAnon.Value()))) { return false; } mIsAnyMemberPresent = true; } if (!isNull) { if (!JS_GetPropertyById(cx, *object, atomsCache->mozSystem_id, temp.ptr())) { return false; } } if (!isNull && !temp->isUndefined()) { if (!ValueToPrimitive(cx, temp.ref(), "'mozSystem' member of MozXMLHttpRequestParameters", &mMozSystem)) { return false; } } else { mMozSystem = false; } mIsAnyMemberPresent = true; return true; } bool MozXMLHttpRequestParameters::Init(JSContext* cx_, JS::Handle val, const char* sourceDescription, bool passedToJSImpl) { // We don't want to use sourceDescription for our context here; // that's not really what it's formatted for. BindingCallContext cx(cx_, nullptr); return Init(cx, val, sourceDescription, passedToJSImpl); } void MozXMLHttpRequestParameters::TraceDictionary(JSTracer* trc) { } MozXMLHttpRequestParameters& MozXMLHttpRequestParameters::operator=(const MozXMLHttpRequestParameters& aOther) { MaybeEmptyDictionaryBase::operator=(aOther); mMozAnon.Reset(); if (aOther.mMozAnon.WasPassed()) { mMozAnon.Construct(aOther.mMozAnon.Value()); } mMozSystem = aOther.mMozSystem; return *this; } namespace XMLHttpRequest_Binding { static_assert(IsRefcounted::value == IsRefcounted::value, "Can't inherit from an interface with a different ownership model."); MOZ_CAN_RUN_SCRIPT static bool get_onreadystatechange(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "XMLHttpRequest", "onreadystatechange", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); RefPtr result(MOZ_KnownLive(self)->GetOnreadystatechange()); MOZ_ASSERT(!JS_IsExceptionPending(cx)); if (result) { args.rval().setObjectOrNull(GetCallbackFromCallbackObject(cx, result)); if (!MaybeWrapObjectOrNullValue(cx, args.rval())) { return false; } return true; } else { args.rval().setNull(); return true; } } MOZ_CAN_RUN_SCRIPT static bool set_onreadystatechange(JSContext* cx, JS::Handle obj, void* void_self, JSJitSetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "XMLHttpRequest", "onreadystatechange", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_SETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); RootedCallback> arg0(cx); if (args[0].isObject()) { { // scope for tempRoot and tempGlobalRoot if needed arg0 = new binding_detail::FastEventHandlerNonNull(&args[0].toObject(), JS::CurrentGlobalOrNull(cx)); } } else { arg0 = nullptr; } // NOTE: This assert does NOT call the function. static_assert(std::is_void_vSetOnreadystatechange(MOZ_KnownLive(Constify(arg0))))>, "Should be returning void here"); MOZ_KnownLive(self)->SetOnreadystatechange(MOZ_KnownLive(Constify(arg0))); MOZ_ASSERT(!JS_IsExceptionPending(cx)); return true; } static const JSJitInfo onreadystatechange_getterinfo = { { get_onreadystatechange }, { prototypes::id::XMLHttpRequest }, { PrototypeTraits::Depth }, JSJitInfo::Getter, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */ false, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; static const JSJitInfo onreadystatechange_setterinfo = { { (JSJitGetterOp)set_onreadystatechange }, { prototypes::id::XMLHttpRequest }, { PrototypeTraits::Depth }, JSJitInfo::Setter, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */ false, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; MOZ_CAN_RUN_SCRIPT static bool get_readyState(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "XMLHttpRequest", "readyState", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); uint16_t result(MOZ_KnownLive(self)->ReadyState()); MOZ_ASSERT(!JS_IsExceptionPending(cx)); args.rval().setInt32(int32_t(result)); return true; } static const JSJitInfo readyState_getterinfo = { { get_readyState }, { prototypes::id::XMLHttpRequest }, { PrototypeTraits::Depth }, JSJitInfo::Getter, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_INT32, /* returnType. Not relevant for setters. */ true, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; MOZ_CAN_RUN_SCRIPT static bool open(JSContext* cx_, JS::Handle obj, void* void_self, const JSJitMethodCallArgs& args) { BindingCallContext cx(cx_, "XMLHttpRequest.open"); AUTO_PROFILER_LABEL_DYNAMIC_FAST( "XMLHttpRequest", "open", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); unsigned argcount = std::min(args.length(), 5u); switch (argcount) { case 2: { nsCString arg0; if (!ConvertJSValueToByteString(cx, args[0], false, "argument 1", arg0)) { return false; } nsAutoCString arg1; if (!ConvertJSValueToString(cx, args[1], eStringify, eStringify, arg1)) { return false; } FastErrorResult rv; // NOTE: This assert does NOT call the function. static_assert(std::is_void_vOpen(Constify(arg0), Constify(arg1), rv))>, "Should be returning void here"); MOZ_KnownLive(self)->Open(Constify(arg0), Constify(arg1), rv); if (rv.MaybeSetPendingException(cx, "XMLHttpRequest.open")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); args.rval().setUndefined(); return true; break; } case 3: { [[fallthrough]]; } case 4: { [[fallthrough]]; } case 5: { nsCString arg0; if (!ConvertJSValueToByteString(cx, args[0], false, "argument 1", arg0)) { return false; } nsAutoCString arg1; if (!ConvertJSValueToString(cx, args[1], eStringify, eStringify, arg1)) { return false; } bool arg2; if (!ValueToPrimitive(cx, args[2], "Argument 3", &arg2)) { return false; } nsAutoCString arg3; if (args.hasDefined(3)) { if (!ConvertJSValueToString(cx, args[3], eNull, eNull, arg3)) { return false; } } else { arg3.SetIsVoid(true); } nsAutoCString arg4; if (args.hasDefined(4)) { if (!ConvertJSValueToString(cx, args[4], eNull, eNull, arg4)) { return false; } } else { arg4.SetIsVoid(true); } FastErrorResult rv; // NOTE: This assert does NOT call the function. static_assert(std::is_void_vOpen(Constify(arg0), Constify(arg1), arg2, Constify(arg3), Constify(arg4), rv))>, "Should be returning void here"); MOZ_KnownLive(self)->Open(Constify(arg0), Constify(arg1), arg2, Constify(arg3), Constify(arg4), rv); if (rv.MaybeSetPendingException(cx, "XMLHttpRequest.open")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); args.rval().setUndefined(); return true; break; } default: { // Using nsPrintfCString here would require including that // header. Let's not worry about it. nsAutoCString argCountStr; argCountStr.AppendPrintf("%u", args.length()); return cx.ThrowErrorMessage(argCountStr.get()); } } MOZ_CRASH("We have an always-returning default case"); return false; } static const JSJitInfo open_methodinfo = { { (JSJitGetterOp)open }, { prototypes::id::XMLHttpRequest }, { PrototypeTraits::Depth }, JSJitInfo::Method, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */ false, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; MOZ_CAN_RUN_SCRIPT static bool setRequestHeader(JSContext* cx_, JS::Handle obj, void* void_self, const JSJitMethodCallArgs& args) { BindingCallContext cx(cx_, "XMLHttpRequest.setRequestHeader"); AUTO_PROFILER_LABEL_DYNAMIC_FAST( "XMLHttpRequest", "setRequestHeader", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); if (!args.requireAtLeast(cx, "XMLHttpRequest.setRequestHeader", 2)) { return false; } nsCString arg0; if (!ConvertJSValueToByteString(cx, args[0], false, "argument 1", arg0)) { return false; } nsCString arg1; if (!ConvertJSValueToByteString(cx, args[1], false, "argument 2", arg1)) { return false; } FastErrorResult rv; // NOTE: This assert does NOT call the function. static_assert(std::is_void_vSetRequestHeader(Constify(arg0), Constify(arg1), rv))>, "Should be returning void here"); MOZ_KnownLive(self)->SetRequestHeader(Constify(arg0), Constify(arg1), rv); if (rv.MaybeSetPendingException(cx, "XMLHttpRequest.setRequestHeader")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); args.rval().setUndefined(); return true; } static const JSJitInfo setRequestHeader_methodinfo = { { (JSJitGetterOp)setRequestHeader }, { prototypes::id::XMLHttpRequest }, { PrototypeTraits::Depth }, JSJitInfo::Method, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */ false, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; MOZ_CAN_RUN_SCRIPT static bool get_timeout(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "XMLHttpRequest", "timeout", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); uint32_t result(MOZ_KnownLive(self)->Timeout()); MOZ_ASSERT(!JS_IsExceptionPending(cx)); args.rval().setNumber(result); return true; } MOZ_CAN_RUN_SCRIPT static bool set_timeout(JSContext* cx, JS::Handle obj, void* void_self, JSJitSetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "XMLHttpRequest", "timeout", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_SETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); uint32_t arg0; if (!ValueToPrimitive(cx, args[0], "Value being assigned", &arg0)) { return false; } FastErrorResult rv; // NOTE: This assert does NOT call the function. static_assert(std::is_void_vSetTimeout(arg0, rv))>, "Should be returning void here"); MOZ_KnownLive(self)->SetTimeout(arg0, rv); if (rv.MaybeSetPendingException(cx, "XMLHttpRequest.timeout setter")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); return true; } static const JSJitInfo timeout_getterinfo = { { get_timeout }, { prototypes::id::XMLHttpRequest }, { PrototypeTraits::Depth }, JSJitInfo::Getter, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_DOUBLE, /* returnType. Not relevant for setters. */ true, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; static const JSJitInfo timeout_setterinfo = { { (JSJitGetterOp)set_timeout }, { prototypes::id::XMLHttpRequest }, { PrototypeTraits::Depth }, JSJitInfo::Setter, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */ false, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; MOZ_CAN_RUN_SCRIPT static bool get_withCredentials(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "XMLHttpRequest", "withCredentials", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); bool result(MOZ_KnownLive(self)->WithCredentials()); MOZ_ASSERT(!JS_IsExceptionPending(cx)); args.rval().setBoolean(result); return true; } MOZ_CAN_RUN_SCRIPT static bool set_withCredentials(JSContext* cx, JS::Handle obj, void* void_self, JSJitSetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "XMLHttpRequest", "withCredentials", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_SETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); bool arg0; if (!ValueToPrimitive(cx, args[0], "Value being assigned", &arg0)) { return false; } FastErrorResult rv; // NOTE: This assert does NOT call the function. static_assert(std::is_void_vSetWithCredentials(arg0, rv))>, "Should be returning void here"); MOZ_KnownLive(self)->SetWithCredentials(arg0, rv); if (rv.MaybeSetPendingException(cx, "XMLHttpRequest.withCredentials setter")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); return true; } static const JSJitInfo withCredentials_getterinfo = { { get_withCredentials }, { prototypes::id::XMLHttpRequest }, { PrototypeTraits::Depth }, JSJitInfo::Getter, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_BOOLEAN, /* returnType. Not relevant for setters. */ true, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; static const JSJitInfo withCredentials_setterinfo = { { (JSJitGetterOp)set_withCredentials }, { prototypes::id::XMLHttpRequest }, { PrototypeTraits::Depth }, JSJitInfo::Setter, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */ false, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; MOZ_CAN_RUN_SCRIPT static bool get_upload(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "XMLHttpRequest", "upload", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); FastErrorResult rv; auto result(StrongOrRawPtr(MOZ_KnownLive(self)->GetUpload(rv))); if (rv.MaybeSetPendingException(cx, "XMLHttpRequest.upload getter")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); if (!GetOrCreateDOMReflector(cx, result, args.rval())) { MOZ_ASSERT(JS_IsExceptionPending(cx)); return false; } return true; } static const JSJitInfo upload_getterinfo = { { get_upload }, { prototypes::id::XMLHttpRequest }, { PrototypeTraits::Depth }, JSJitInfo::Getter, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_OBJECT, /* returnType. Not relevant for setters. */ false, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; MOZ_CAN_RUN_SCRIPT static bool send(JSContext* cx_, JS::Handle obj, void* void_self, const JSJitMethodCallArgs& args) { BindingCallContext cx(cx_, "XMLHttpRequest.send"); AUTO_PROFILER_LABEL_DYNAMIC_FAST( "XMLHttpRequest", "send", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); Nullable arg0; if (!(args.hasDefined(0)) || args[0].isNullOrUndefined()) { arg0.SetNull(); } else { if (!arg0.SetValue().Init(cx, args[0], "Argument 1", false)) { return false; } } FastErrorResult rv; // NOTE: This assert does NOT call the function. static_assert(std::is_void_vSend(Constify(arg0), rv))>, "Should be returning void here"); MOZ_KnownLive(self)->Send(Constify(arg0), rv); if (rv.MaybeSetPendingException(cx, "XMLHttpRequest.send")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); args.rval().setUndefined(); return true; } static const JSJitInfo send_methodinfo = { { (JSJitGetterOp)send }, { prototypes::id::XMLHttpRequest }, { PrototypeTraits::Depth }, JSJitInfo::Method, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */ false, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; MOZ_CAN_RUN_SCRIPT static bool abort(JSContext* cx, JS::Handle obj, void* void_self, const JSJitMethodCallArgs& args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "XMLHttpRequest", "abort", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); FastErrorResult rv; // NOTE: This assert does NOT call the function. static_assert(std::is_void_vAbort(rv))>, "Should be returning void here"); MOZ_KnownLive(self)->Abort(rv); if (rv.MaybeSetPendingException(cx, "XMLHttpRequest.abort")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); args.rval().setUndefined(); return true; } static const JSJitInfo abort_methodinfo = { { (JSJitGetterOp)abort }, { prototypes::id::XMLHttpRequest }, { PrototypeTraits::Depth }, JSJitInfo::Method, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */ false, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; MOZ_CAN_RUN_SCRIPT static bool get_responseURL(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "XMLHttpRequest", "responseURL", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); nsAutoCString result; // NOTE: This assert does NOT call the function. static_assert(std::is_void_vGetResponseURL(result))>, "Should be returning void here"); MOZ_KnownLive(self)->GetResponseURL(result); MOZ_ASSERT(!JS_IsExceptionPending(cx)); if (!NonVoidUTF8StringToJsval(cx, result, args.rval())) { return false; } return true; } static const JSJitInfo responseURL_getterinfo = { { get_responseURL }, { prototypes::id::XMLHttpRequest }, { PrototypeTraits::Depth }, JSJitInfo::Getter, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_STRING, /* returnType. Not relevant for setters. */ false, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; MOZ_CAN_RUN_SCRIPT static bool get_status(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "XMLHttpRequest", "status", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); FastErrorResult rv; uint16_t result(MOZ_KnownLive(self)->GetStatus(rv)); if (rv.MaybeSetPendingException(cx, "XMLHttpRequest.status getter")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); args.rval().setInt32(int32_t(result)); return true; } static const JSJitInfo status_getterinfo = { { get_status }, { prototypes::id::XMLHttpRequest }, { PrototypeTraits::Depth }, JSJitInfo::Getter, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_INT32, /* returnType. Not relevant for setters. */ false, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; MOZ_CAN_RUN_SCRIPT static bool get_statusText(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "XMLHttpRequest", "statusText", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); FastErrorResult rv; nsAutoCString result; // NOTE: This assert does NOT call the function. static_assert(std::is_void_vGetStatusText(result, rv))>, "Should be returning void here"); MOZ_KnownLive(self)->GetStatusText(result, rv); if (rv.MaybeSetPendingException(cx, "XMLHttpRequest.statusText getter")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); if (!NonVoidByteStringToJsval(cx, result, args.rval())) { return false; } return true; } static const JSJitInfo statusText_getterinfo = { { get_statusText }, { prototypes::id::XMLHttpRequest }, { PrototypeTraits::Depth }, JSJitInfo::Getter, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_STRING, /* returnType. Not relevant for setters. */ false, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; MOZ_CAN_RUN_SCRIPT static bool getResponseHeader(JSContext* cx_, JS::Handle obj, void* void_self, const JSJitMethodCallArgs& args) { BindingCallContext cx(cx_, "XMLHttpRequest.getResponseHeader"); AUTO_PROFILER_LABEL_DYNAMIC_FAST( "XMLHttpRequest", "getResponseHeader", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); if (!args.requireAtLeast(cx, "XMLHttpRequest.getResponseHeader", 1)) { return false; } nsCString arg0; if (!ConvertJSValueToByteString(cx, args[0], false, "argument 1", arg0)) { return false; } FastErrorResult rv; nsAutoCString result; // NOTE: This assert does NOT call the function. static_assert(std::is_void_vGetResponseHeader(Constify(arg0), result, rv))>, "Should be returning void here"); MOZ_KnownLive(self)->GetResponseHeader(Constify(arg0), result, rv); if (rv.MaybeSetPendingException(cx, "XMLHttpRequest.getResponseHeader")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); if (!ByteStringToJsval(cx, result, args.rval())) { return false; } return true; } static const JSJitInfo getResponseHeader_methodinfo = { { (JSJitGetterOp)getResponseHeader }, { prototypes::id::XMLHttpRequest }, { PrototypeTraits::Depth }, JSJitInfo::Method, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */ false, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; MOZ_CAN_RUN_SCRIPT static bool getAllResponseHeaders(JSContext* cx, JS::Handle obj, void* void_self, const JSJitMethodCallArgs& args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "XMLHttpRequest", "getAllResponseHeaders", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); FastErrorResult rv; nsAutoCString result; // NOTE: This assert does NOT call the function. static_assert(std::is_void_vGetAllResponseHeaders(result, rv))>, "Should be returning void here"); MOZ_KnownLive(self)->GetAllResponseHeaders(result, rv); if (rv.MaybeSetPendingException(cx, "XMLHttpRequest.getAllResponseHeaders")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); if (!NonVoidByteStringToJsval(cx, result, args.rval())) { return false; } return true; } static const JSJitInfo getAllResponseHeaders_methodinfo = { { (JSJitGetterOp)getAllResponseHeaders }, { prototypes::id::XMLHttpRequest }, { PrototypeTraits::Depth }, JSJitInfo::Method, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_STRING, /* returnType. Not relevant for setters. */ false, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; MOZ_CAN_RUN_SCRIPT static bool overrideMimeType(JSContext* cx, JS::Handle obj, void* void_self, const JSJitMethodCallArgs& args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "XMLHttpRequest", "overrideMimeType", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); if (!args.requireAtLeast(cx, "XMLHttpRequest.overrideMimeType", 1)) { return false; } nsAutoString arg0; if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) { return false; } FastErrorResult rv; // NOTE: This assert does NOT call the function. static_assert(std::is_void_vOverrideMimeType(NonNullHelper(Constify(arg0)), rv))>, "Should be returning void here"); MOZ_KnownLive(self)->OverrideMimeType(NonNullHelper(Constify(arg0)), rv); if (rv.MaybeSetPendingException(cx, "XMLHttpRequest.overrideMimeType")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); args.rval().setUndefined(); return true; } static const JSJitInfo overrideMimeType_methodinfo = { { (JSJitGetterOp)overrideMimeType }, { prototypes::id::XMLHttpRequest }, { PrototypeTraits::Depth }, JSJitInfo::Method, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */ false, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; MOZ_CAN_RUN_SCRIPT static bool get_responseType(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "XMLHttpRequest", "responseType", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); XMLHttpRequestResponseType result(MOZ_KnownLive(self)->ResponseType()); MOZ_ASSERT(!JS_IsExceptionPending(cx)); if (!ToJSValue(cx, result, args.rval())) { return false; } return true; } MOZ_CAN_RUN_SCRIPT static bool set_responseType(JSContext* cx_, JS::Handle obj, void* void_self, JSJitSetterCallArgs args) { BindingCallContext cx(cx_, "XMLHttpRequest.responseType setter"); AUTO_PROFILER_LABEL_DYNAMIC_FAST( "XMLHttpRequest", "responseType", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_SETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); XMLHttpRequestResponseType arg0; { int index; if (!binding_detail::FindEnumStringIndex(cx, args[0], binding_detail::EnumStrings::Values, "XMLHttpRequestResponseType", "value being assigned", &index)) { return false; } if (index < 0) { return true; } arg0 = static_cast(index); } FastErrorResult rv; // NOTE: This assert does NOT call the function. static_assert(std::is_void_vSetResponseType(arg0, rv))>, "Should be returning void here"); MOZ_KnownLive(self)->SetResponseType(arg0, rv); if (rv.MaybeSetPendingException(cx, "XMLHttpRequest.responseType setter")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); return true; } static const JSJitInfo responseType_getterinfo = { { get_responseType }, { prototypes::id::XMLHttpRequest }, { PrototypeTraits::Depth }, JSJitInfo::Getter, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_STRING, /* returnType. Not relevant for setters. */ false, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; static const JSJitInfo responseType_setterinfo = { { (JSJitGetterOp)set_responseType }, { prototypes::id::XMLHttpRequest }, { PrototypeTraits::Depth }, JSJitInfo::Setter, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */ false, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; MOZ_CAN_RUN_SCRIPT static bool get_response(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "XMLHttpRequest", "response", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); FastErrorResult rv; JS::Rooted result(cx); // NOTE: This assert does NOT call the function. static_assert(std::is_void_vGetResponse(cx, &result, rv))>, "Should be returning void here"); MOZ_KnownLive(self)->GetResponse(cx, &result, rv); if (rv.MaybeSetPendingException(cx, "XMLHttpRequest.response getter")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); JS::ExposeValueToActiveJS(result); args.rval().set(result); if (!MaybeWrapValue(cx, args.rval())) { return false; } return true; } static const JSJitInfo response_getterinfo = { { get_response }, { prototypes::id::XMLHttpRequest }, { PrototypeTraits::Depth }, JSJitInfo::Getter, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */ false, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; MOZ_CAN_RUN_SCRIPT static bool get_responseText(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "XMLHttpRequest", "responseText", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); // Have to either root across the getter call or reget after. bool isXray; JS::Rooted slotStorage(cx, GetCachedSlotStorageObject(cx, obj, &isXray)); if (!slotStorage) { return false; } const size_t slotIndex = isXray ? (DOM_EXPANDO_RESERVED_SLOTS + 0) : (DOM_INSTANCE_RESERVED_SLOTS + 0); MOZ_ASSERT(slotIndex < JSCLASS_RESERVED_SLOTS(JS::GetClass(slotStorage))); { // Scope for cachedVal JS::Value cachedVal = JS::GetNativeObjectReservedSlot(slotStorage, slotIndex); if (!cachedVal.isUndefined()) { args.rval().set(cachedVal); // The cached value is in the compartment of slotStorage, // so wrap into the caller compartment as needed. return MaybeWrapValue(cx, args.rval()); } } FastErrorResult rv; DOMString result; // NOTE: This assert does NOT call the function. static_assert(std::is_void_vGetResponseText(result, rv))>, "Should be returning void here"); MOZ_KnownLive(self)->GetResponseText(result, rv); if (rv.MaybeSetPendingException(cx, "XMLHttpRequest.responseText getter")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); { JS::Rooted conversionScope(cx, isXray ? JS::CurrentGlobalOrNull(cx) : slotStorage); JSAutoRealm ar(cx, conversionScope); do { // block we break out of when done wrapping if (!xpc::StringToJsval(cx, result, args.rval())) { return false; } break; } while (false); } { // And now store things in the realm of our slotStorage. JSAutoRealm ar(cx, slotStorage); // Make a copy so that we don't do unnecessary wrapping on args.rval(). JS::Rooted storedVal(cx, args.rval()); if (!MaybeWrapValue(cx, &storedVal)) { return false; } JS::SetNativeObjectReservedSlot(slotStorage, slotIndex, storedVal); if (!isXray) { // In the Xray case we don't need to do this, because getting the // expando object already preserved our wrapper. PreserveWrapper(self); } } // And now make sure args.rval() is in the caller realm. return MaybeWrapValue(cx, args.rval()); } static const JSJitInfo responseText_getterinfo = { { get_responseText }, { prototypes::id::XMLHttpRequest }, { PrototypeTraits::Depth }, JSJitInfo::Getter, JSJitInfo::AliasDOMSets, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */ false, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ true, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ (DOM_INSTANCE_RESERVED_SLOTS + 0) /* Reserved slot index, if we're stored in a slot, else 0. */ }; static_assert((DOM_INSTANCE_RESERVED_SLOTS + 0) <= JSJitInfo::maxSlotIndex, "We won't fit"); static_assert((DOM_INSTANCE_RESERVED_SLOTS + 0) < 2, "There is no slot for us"); MOZ_CAN_RUN_SCRIPT static bool get_responseXML(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "XMLHttpRequest", "responseXML", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); FastErrorResult rv; auto result(StrongOrRawPtr(MOZ_KnownLive(self)->GetResponseXML(rv))); if (rv.MaybeSetPendingException(cx, "XMLHttpRequest.responseXML getter")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); if (!result) { args.rval().setNull(); return true; } if (!GetOrCreateDOMReflector(cx, result, args.rval())) { MOZ_ASSERT(JS_IsExceptionPending(cx)); return false; } return true; } static const JSJitInfo responseXML_getterinfo = { { get_responseXML }, { prototypes::id::XMLHttpRequest }, { PrototypeTraits::Depth }, JSJitInfo::Getter, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */ false, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; MOZ_CAN_RUN_SCRIPT static bool get_mozBackgroundRequest(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "XMLHttpRequest", "mozBackgroundRequest", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); bool result(MOZ_KnownLive(self)->MozBackgroundRequest()); MOZ_ASSERT(!JS_IsExceptionPending(cx)); args.rval().setBoolean(result); return true; } MOZ_CAN_RUN_SCRIPT static bool set_mozBackgroundRequest(JSContext* cx, JS::Handle obj, void* void_self, JSJitSetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "XMLHttpRequest", "mozBackgroundRequest", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_SETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); bool arg0; if (!ValueToPrimitive(cx, args[0], "Value being assigned", &arg0)) { return false; } FastErrorResult rv; // NOTE: This assert does NOT call the function. static_assert(std::is_void_vSetMozBackgroundRequest(arg0, rv))>, "Should be returning void here"); MOZ_KnownLive(self)->SetMozBackgroundRequest(arg0, rv); if (rv.MaybeSetPendingException(cx, "XMLHttpRequest.mozBackgroundRequest setter")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); return true; } static const JSJitInfo mozBackgroundRequest_getterinfo = { { get_mozBackgroundRequest }, { prototypes::id::XMLHttpRequest }, { PrototypeTraits::Depth }, JSJitInfo::Getter, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_BOOLEAN, /* returnType. Not relevant for setters. */ true, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; static const JSJitInfo mozBackgroundRequest_setterinfo = { { (JSJitGetterOp)set_mozBackgroundRequest }, { prototypes::id::XMLHttpRequest }, { PrototypeTraits::Depth }, JSJitInfo::Setter, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */ false, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; MOZ_CAN_RUN_SCRIPT static bool get_channel(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "XMLHttpRequest", "channel", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); auto result(StrongOrRawPtr(MOZ_KnownLive(self)->GetChannel())); MOZ_ASSERT(!JS_IsExceptionPending(cx)); if (!result) { args.rval().setNull(); return true; } if (!WrapObject(cx, result, &NS_GET_IID(nsIChannel), args.rval())) { return false; } return true; } static const JSJitInfo channel_getterinfo = { { get_channel }, { prototypes::id::XMLHttpRequest }, { PrototypeTraits::Depth }, JSJitInfo::Getter, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */ false, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; MOZ_CAN_RUN_SCRIPT static bool getInterface(JSContext* cx, JS::Handle obj, void* void_self, const JSJitMethodCallArgs& args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "XMLHttpRequest", "getInterface", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); if (!args.requireAtLeast(cx, "XMLHttpRequest.getInterface", 1)) { return false; } JS::Rooted arg0(cx); arg0 = args[0]; FastErrorResult rv; JS::Rooted result(cx); // NOTE: This assert does NOT call the function. static_assert(std::is_void_vGetInterface(cx, arg0, &result, rv))>, "Should be returning void here"); MOZ_KnownLive(self)->GetInterface(cx, arg0, &result, rv); if (rv.MaybeSetPendingException(cx, "XMLHttpRequest.getInterface")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); JS::ExposeValueToActiveJS(result); args.rval().set(result); if (!MaybeWrapValue(cx, args.rval())) { return false; } return true; } static const JSJitInfo getInterface_methodinfo = { { (JSJitGetterOp)getInterface }, { prototypes::id::XMLHttpRequest }, { PrototypeTraits::Depth }, JSJitInfo::Method, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */ false, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; MOZ_CAN_RUN_SCRIPT static bool setOriginAttributes(JSContext* cx_, JS::Handle obj, void* void_self, const JSJitMethodCallArgs& args) { BindingCallContext cx(cx_, "XMLHttpRequest.setOriginAttributes"); AUTO_PROFILER_LABEL_DYNAMIC_FAST( "XMLHttpRequest", "setOriginAttributes", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); binding_detail::FastOriginAttributesDictionary arg0; if (!arg0.Init(cx, (args.hasDefined(0)) ? args[0] : JS::NullHandleValue, "Argument 1", false)) { return false; } // NOTE: This assert does NOT call the function. static_assert(std::is_void_vSetOriginAttributes(Constify(arg0)))>, "Should be returning void here"); MOZ_KnownLive(self)->SetOriginAttributes(Constify(arg0)); MOZ_ASSERT(!JS_IsExceptionPending(cx)); args.rval().setUndefined(); return true; } static const JSJitInfo setOriginAttributes_methodinfo = { { (JSJitGetterOp)setOriginAttributes }, { prototypes::id::XMLHttpRequest }, { PrototypeTraits::Depth }, JSJitInfo::Method, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */ false, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; MOZ_CAN_RUN_SCRIPT static bool sendInputStream(JSContext* cx_, JS::Handle obj, void* void_self, const JSJitMethodCallArgs& args) { BindingCallContext cx(cx_, "XMLHttpRequest.sendInputStream"); AUTO_PROFILER_LABEL_DYNAMIC_FAST( "XMLHttpRequest", "sendInputStream", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); if (!args.requireAtLeast(cx, "XMLHttpRequest.sendInputStream", 1)) { return false; } nsIInputStream* arg0; RefPtr arg0_holder; if (args[0].isObject()) { JS::Rooted source(cx, &args[0].toObject()); if (NS_FAILED(UnwrapArg(cx, source, getter_AddRefs(arg0_holder)))) { cx.ThrowErrorMessage("Argument 1", "InputStream"); return false; } MOZ_ASSERT(arg0_holder); arg0 = arg0_holder; } else { cx.ThrowErrorMessage("Argument 1"); return false; } FastErrorResult rv; // NOTE: This assert does NOT call the function. static_assert(std::is_void_vSendInputStream(MOZ_KnownLive(NonNullHelper(arg0)), rv))>, "Should be returning void here"); MOZ_KnownLive(self)->SendInputStream(MOZ_KnownLive(NonNullHelper(arg0)), rv); if (rv.MaybeSetPendingException(cx, "XMLHttpRequest.sendInputStream")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); args.rval().setUndefined(); return true; } static const JSJitInfo sendInputStream_methodinfo = { { (JSJitGetterOp)sendInputStream }, { prototypes::id::XMLHttpRequest }, { PrototypeTraits::Depth }, JSJitInfo::Method, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */ false, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; MOZ_CAN_RUN_SCRIPT static bool get_errorCode(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "XMLHttpRequest", "errorCode", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); uint16_t result(MOZ_KnownLive(self)->ErrorCode()); MOZ_ASSERT(!JS_IsExceptionPending(cx)); args.rval().setInt32(int32_t(result)); return true; } static const JSJitInfo errorCode_getterinfo = { { get_errorCode }, { prototypes::id::XMLHttpRequest }, { PrototypeTraits::Depth }, JSJitInfo::Getter, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_INT32, /* returnType. Not relevant for setters. */ true, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; MOZ_CAN_RUN_SCRIPT static bool get_mozAnon(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "XMLHttpRequest", "mozAnon", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); bool result(MOZ_KnownLive(self)->MozAnon()); MOZ_ASSERT(!JS_IsExceptionPending(cx)); args.rval().setBoolean(result); return true; } static const JSJitInfo mozAnon_getterinfo = { { get_mozAnon }, { prototypes::id::XMLHttpRequest }, { PrototypeTraits::Depth }, JSJitInfo::Getter, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_BOOLEAN, /* returnType. Not relevant for setters. */ true, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; MOZ_CAN_RUN_SCRIPT static bool get_mozSystem(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "XMLHttpRequest", "mozSystem", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); bool result(MOZ_KnownLive(self)->MozSystem()); MOZ_ASSERT(!JS_IsExceptionPending(cx)); args.rval().setBoolean(result); return true; } static const JSJitInfo mozSystem_getterinfo = { { get_mozSystem }, { prototypes::id::XMLHttpRequest }, { PrototypeTraits::Depth }, JSJitInfo::Getter, JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ JSVAL_TYPE_BOOLEAN, /* returnType. Not relevant for setters. */ true, /* isInfallible. False in setters. */ false, /* isMovable. Not relevant for setters. */ false, /* isEliminatable. Not relevant for setters. */ false, /* isAlwaysInSlot. Only relevant for getters. */ false, /* isLazilyCachedInSlot. Only relevant for getters. */ false, /* isTypedMethod. Only relevant for methods. */ 0 /* Reserved slot index, if we're stored in a slot, else 0. */ }; static void _finalize(JS::GCContext* gcx, JSObject* obj) { mozilla::dom::XMLHttpRequest* self = UnwrapPossiblyNotInitializedDOMObject(obj); if (self) { JS::SetNativeObjectReservedSlot(obj, DOM_OBJECT_SLOT, JS::UndefinedValue()); ClearWrapper(self, self, obj); if (size_t mallocBytes = BindingJSObjectMallocBytes(self)) { JS::RemoveAssociatedMemory(obj, mallocBytes, JS::MemoryUse::DOMBinding); } AddForDeferredFinalization(self); } } MOZ_GLOBINIT static const JSFunctionSpec sMethods_specs[] = { JS_FNSPEC("open", (GenericMethod), reinterpret_cast(&open_methodinfo), 2, JSPROP_ENUMERATE, nullptr), JS_FNSPEC("setRequestHeader", (GenericMethod), reinterpret_cast(&setRequestHeader_methodinfo), 2, JSPROP_ENUMERATE, nullptr), JS_FNSPEC("send", (GenericMethod), reinterpret_cast(&send_methodinfo), 0, JSPROP_ENUMERATE, nullptr), JS_FNSPEC("abort", (GenericMethod), reinterpret_cast(&abort_methodinfo), 0, JSPROP_ENUMERATE, nullptr), JS_FNSPEC("getResponseHeader", (GenericMethod), reinterpret_cast(&getResponseHeader_methodinfo), 1, JSPROP_ENUMERATE, nullptr), JS_FNSPEC("getAllResponseHeaders", (GenericMethod), reinterpret_cast(&getAllResponseHeaders_methodinfo), 0, JSPROP_ENUMERATE, nullptr), JS_FNSPEC("overrideMimeType", (GenericMethod), reinterpret_cast(&overrideMimeType_methodinfo), 1, JSPROP_ENUMERATE, nullptr), JS_FS_END }; static const Prefable sMethods[] = { { nullptr, &sMethods_specs[0] }, { nullptr, nullptr } }; static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX, "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)"); static_assert(7 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX, "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)"); MOZ_GLOBINIT static const JSFunctionSpec sChromeMethods_specs[] = { JS_FNSPEC("getInterface", (GenericMethod), reinterpret_cast(&getInterface_methodinfo), 1, JSPROP_ENUMERATE, nullptr), JS_FNSPEC("setOriginAttributes", (GenericMethod), reinterpret_cast(&setOriginAttributes_methodinfo), 0, JSPROP_ENUMERATE, nullptr), JS_FS_END, JS_FNSPEC("sendInputStream", (GenericMethod), reinterpret_cast(&sendInputStream_methodinfo), 1, JSPROP_ENUMERATE, nullptr), JS_FS_END }; static const PrefableDisablers sChromeMethods_disablers0 = { WebIDLPrefIndex::NoPref, GlobalNames::DedicatedWorkerGlobalScope | GlobalNames::SharedWorkerGlobalScope, false, OriginTrial(0), nullptr }; static const Prefable sChromeMethods[] = { { &sChromeMethods_disablers0, &sChromeMethods_specs[0] }, { nullptr, &sChromeMethods_specs[3] }, { nullptr, nullptr } }; static_assert(2 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX, "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)"); static_assert(2 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX, "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)"); MOZ_GLOBINIT static const JSPropertySpec sAttributes_specs[] = { JSPropertySpec::nativeAccessors("onreadystatechange", JSPROP_ENUMERATE, GenericGetter, &onreadystatechange_getterinfo, GenericSetter, &onreadystatechange_setterinfo), JSPropertySpec::nativeAccessors("readyState", JSPROP_ENUMERATE, GenericGetter, &readyState_getterinfo, nullptr, nullptr), JSPropertySpec::nativeAccessors("timeout", JSPROP_ENUMERATE, GenericGetter, &timeout_getterinfo, GenericSetter, &timeout_setterinfo), JSPropertySpec::nativeAccessors("withCredentials", JSPROP_ENUMERATE, GenericGetter, &withCredentials_getterinfo, GenericSetter, &withCredentials_setterinfo), JSPropertySpec::nativeAccessors("upload", JSPROP_ENUMERATE, GenericGetter, &upload_getterinfo, nullptr, nullptr), JSPropertySpec::nativeAccessors("responseURL", JSPROP_ENUMERATE, GenericGetter, &responseURL_getterinfo, nullptr, nullptr), JSPropertySpec::nativeAccessors("status", JSPROP_ENUMERATE, GenericGetter, &status_getterinfo, nullptr, nullptr), JSPropertySpec::nativeAccessors("statusText", JSPROP_ENUMERATE, GenericGetter, &statusText_getterinfo, nullptr, nullptr), JSPropertySpec::nativeAccessors("responseType", JSPROP_ENUMERATE, GenericGetter, &responseType_getterinfo, GenericSetter, &responseType_setterinfo), JSPropertySpec::nativeAccessors("response", JSPROP_ENUMERATE, GenericGetter, &response_getterinfo, nullptr, nullptr), JSPropertySpec::nativeAccessors("responseText", JSPROP_ENUMERATE, GenericGetter, &responseText_getterinfo, nullptr, nullptr), JS_PS_END, JSPropertySpec::nativeAccessors("responseXML", JSPROP_ENUMERATE, GenericGetter, &responseXML_getterinfo, nullptr, nullptr), JS_PS_END, JSPropertySpec::nativeAccessors("mozAnon", JSPROP_ENUMERATE, GenericGetter, &mozAnon_getterinfo, nullptr, nullptr), JSPropertySpec::nativeAccessors("mozSystem", JSPROP_ENUMERATE, GenericGetter, &mozSystem_getterinfo, nullptr, nullptr), JS_PS_END }; static const PrefableDisablers sAttributes_disablers12 = { WebIDLPrefIndex::NoPref, GlobalNames::DedicatedWorkerGlobalScope | GlobalNames::SharedWorkerGlobalScope, false, OriginTrial(0), nullptr }; static const Prefable sAttributes[] = { { nullptr, &sAttributes_specs[0] }, { &sAttributes_disablers12, &sAttributes_specs[12] }, { nullptr, &sAttributes_specs[14] }, { nullptr, nullptr } }; static_assert(3 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX, "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)"); static_assert(11 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX, "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)"); MOZ_GLOBINIT static const JSPropertySpec sChromeAttributes_specs[] = { JSPropertySpec::nativeAccessors("mozBackgroundRequest", JSPROP_ENUMERATE, GenericGetter, &mozBackgroundRequest_getterinfo, GenericSetter, &mozBackgroundRequest_setterinfo), JS_PS_END, JSPropertySpec::nativeAccessors("channel", JSPROP_ENUMERATE, GenericGetter, &channel_getterinfo, nullptr, nullptr), JS_PS_END, JSPropertySpec::nativeAccessors("errorCode", JSPROP_ENUMERATE, GenericGetter, &errorCode_getterinfo, nullptr, nullptr), JS_PS_END }; static const PrefableDisablers sChromeAttributes_disablers2 = { WebIDLPrefIndex::NoPref, GlobalNames::DedicatedWorkerGlobalScope | GlobalNames::SharedWorkerGlobalScope, false, OriginTrial(0), nullptr }; static const Prefable sChromeAttributes[] = { { nullptr, &sChromeAttributes_specs[0] }, { &sChromeAttributes_disablers2, &sChromeAttributes_specs[2] }, { nullptr, &sChromeAttributes_specs[4] }, { nullptr, nullptr } }; static_assert(3 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX, "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)"); static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX, "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)"); MOZ_GLOBINIT static const ConstantSpec sConstants_specs[] = { { "UNSENT", JS::Int32Value(0) }, { "OPENED", JS::Int32Value(1) }, { "HEADERS_RECEIVED", JS::Int32Value(2) }, { "LOADING", JS::Int32Value(3) }, { "DONE", JS::Int32Value(4) }, { 0, JS::UndefinedValue() } }; static const Prefable sConstants[] = { { nullptr, &sConstants_specs[0] }, { nullptr, nullptr } }; static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX, "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)"); static_assert(5 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX, "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)"); static uint16_t sNativeProperties_sortedPropertyIndices[26]; static PropertyInfo sNativeProperties_propertyInfos[26]; static const NativePropertiesN<3> sNativeProperties = { false, 0, false, 0, true, 0 /* sMethods */, true, 1 /* sAttributes */, false, 0, false, 0, true, 2 /* sConstants */, -1, 26, sNativeProperties_sortedPropertyIndices, { { sMethods, &sNativeProperties_propertyInfos[0] }, { sAttributes, &sNativeProperties_propertyInfos[7] }, { sConstants, &sNativeProperties_propertyInfos[21] } } }; static_assert(26 < 1ull << (CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount)), "We have a property info count that is oversized"); static uint16_t sChromeOnlyNativeProperties_sortedPropertyIndices[6]; static PropertyInfo sChromeOnlyNativeProperties_propertyInfos[6]; static const NativePropertiesN<2> sChromeOnlyNativeProperties = { false, 0, false, 0, true, 0 /* sChromeMethods */, true, 1 /* sChromeAttributes */, false, 0, false, 0, false, 0, -1, 6, sChromeOnlyNativeProperties_sortedPropertyIndices, { { sChromeMethods, &sChromeOnlyNativeProperties_propertyInfos[0] }, { sChromeAttributes, &sChromeOnlyNativeProperties_propertyInfos[3] } } }; static_assert(6 < 1ull << (CHAR_BIT * sizeof(sChromeOnlyNativeProperties.propertyInfoCount)), "We have a property info count that is oversized"); // This may allocate too many slots, because we only really need // slots for our non-interface-typed members that we cache. But // allocating slots only for those would make the slot index // computations much more complicated, so let's do this the simple // way for now. DEFINE_XRAY_EXPANDO_CLASS_WITH_OPS(static, sXrayExpandoObjectClass, 1, &xpc::XrayExpandoObjectClassOps); bool sNativePropertiesInited = false; const NativePropertyHooks sNativePropertyHooks = { nullptr, { sNativeProperties.Upcast(), sChromeOnlyNativeProperties.Upcast(), &sNativePropertiesInited }, prototypes::id::XMLHttpRequest, constructors::id::XMLHttpRequest, &sXrayExpandoObjectClass }; static bool _constructor(JSContext* cx_, unsigned argc, JS::Value* vp) { BindingCallContext cx(cx_, "XMLHttpRequest constructor"); AUTO_PROFILER_LABEL_DYNAMIC_FAST( "XMLHttpRequest", "constructor", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); JS::CallArgs args = JS::CallArgsFromVp(argc, vp); JS::Rooted obj(cx, &args.callee()); if (!args.isConstructing()) { return ThrowConstructorWithoutNew(cx, "XMLHttpRequest"); } JS::Rooted desiredProto(cx); if (!GetDesiredProto(cx, args, prototypes::id::XMLHttpRequest, CreateInterfaceObjects, &desiredProto)) { return false; } unsigned argcount = std::min(args.length(), 1u); switch (argcount) { case 0: { GlobalObject global(cx, obj); if (global.Failed()) { return false; } bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj); binding_detail::FastMozXMLHttpRequestParameters arg0; if (!arg0.Init(cx, (args.hasDefined(0)) ? args[0] : JS::NullHandleValue, "Argument 1", false)) { return false; } Maybe ar; if (objIsXray) { // Since our object is an Xray, we can just CheckedUnwrapStatic: // we know Xrays have no dynamic unwrap behavior. obj = js::CheckedUnwrapStatic(obj); if (!obj) { return false; } ar.emplace(cx, obj); if (!JS_WrapObject(cx, &desiredProto)) { return false; } } FastErrorResult rv; auto result(StrongOrRawPtr(mozilla::dom::XMLHttpRequest::Constructor(global, Constify(arg0), rv))); if (rv.MaybeSetPendingException(cx, "XMLHttpRequest constructor")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); static_assert(!std::is_pointer_v, "NewObject implies that we need to keep the object alive with a strong reference."); if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) { MOZ_ASSERT(JS_IsExceptionPending(cx)); return false; } return true; break; } case 1: { if (args[0].isNullOrUndefined()) { binding_detail::FastMozXMLHttpRequestParameters arg0; if (!arg0.Init(cx, args[0], "Argument 1", false)) { return false; } GlobalObject global(cx, obj); if (global.Failed()) { return false; } bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj); Maybe ar; if (objIsXray) { // Since our object is an Xray, we can just CheckedUnwrapStatic: // we know Xrays have no dynamic unwrap behavior. obj = js::CheckedUnwrapStatic(obj); if (!obj) { return false; } ar.emplace(cx, obj); if (!JS_WrapObject(cx, &desiredProto)) { return false; } } FastErrorResult rv; auto result(StrongOrRawPtr(mozilla::dom::XMLHttpRequest::Constructor(global, Constify(arg0), rv))); if (rv.MaybeSetPendingException(cx, "XMLHttpRequest constructor")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); static_assert(!std::is_pointer_v, "NewObject implies that we need to keep the object alive with a strong reference."); if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) { MOZ_ASSERT(JS_IsExceptionPending(cx)); return false; } return true; } if (args[0].isObject()) { do { binding_detail::FastMozXMLHttpRequestParameters arg0; if (!arg0.Init(cx, args[0], "Argument 1", false)) { return false; } GlobalObject global(cx, obj); if (global.Failed()) { return false; } bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj); Maybe ar; if (objIsXray) { // Since our object is an Xray, we can just CheckedUnwrapStatic: // we know Xrays have no dynamic unwrap behavior. obj = js::CheckedUnwrapStatic(obj); if (!obj) { return false; } ar.emplace(cx, obj); if (!JS_WrapObject(cx, &desiredProto)) { return false; } } FastErrorResult rv; auto result(StrongOrRawPtr(mozilla::dom::XMLHttpRequest::Constructor(global, Constify(arg0), rv))); if (rv.MaybeSetPendingException(cx, "XMLHttpRequest constructor")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); static_assert(!std::is_pointer_v, "NewObject implies that we need to keep the object alive with a strong reference."); if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) { MOZ_ASSERT(JS_IsExceptionPending(cx)); return false; } return true; } while (false); } GlobalObject global(cx, obj); if (global.Failed()) { return false; } bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj); nsAutoString arg0; if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) { return false; } Maybe ar; if (objIsXray) { // Since our object is an Xray, we can just CheckedUnwrapStatic: // we know Xrays have no dynamic unwrap behavior. obj = js::CheckedUnwrapStatic(obj); if (!obj) { return false; } ar.emplace(cx, obj); if (!JS_WrapObject(cx, &desiredProto)) { return false; } } FastErrorResult rv; auto result(StrongOrRawPtr(mozilla::dom::XMLHttpRequest::Constructor(global, NonNullHelper(Constify(arg0)), rv))); if (rv.MaybeSetPendingException(cx, "XMLHttpRequest constructor")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); static_assert(!std::is_pointer_v, "NewObject implies that we need to keep the object alive with a strong reference."); if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) { MOZ_ASSERT(JS_IsExceptionPending(cx)); return false; } return true; break; } default: { // Using nsPrintfCString here would require including that // header. Let's not worry about it. nsAutoCString argCountStr; argCountStr.AppendPrintf("%u", args.length()); return cx.ThrowErrorMessage(argCountStr.get()); } } MOZ_CRASH("We have an always-returning default case"); return false; } static const DOMInterfaceInfo sInterfaceObjectInfo = { { _constructor, &sNativePropertyHooks }, XMLHttpRequestEventTarget_Binding::GetConstructorObjectHandle, PrototypeTraits::Depth, prototypes::id::XMLHttpRequest, true, 0, "XMLHttpRequest", }; static const DOMIfaceAndProtoJSClass sPrototypeClass = { { "XMLHttpRequestPrototype", JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE), JS_NULL_CLASS_OPS, JS_NULL_CLASS_SPEC, JS_NULL_CLASS_EXT, JS_NULL_OBJECT_OPS }, eInterfacePrototype, prototypes::id::XMLHttpRequest, PrototypeTraits::Depth, &sNativePropertyHooks, XMLHttpRequestEventTarget_Binding::GetProtoObject }; bool ConstructorEnabled(JSContext* aCx, JS::Handle aObj) { if (!NS_IsMainThread()) { const char* name = JS::GetClass(aObj)->name; if (strcmp(name, "DedicatedWorkerGlobalScope") && strcmp(name, "SharedWorkerGlobalScope")) { return false; } } return true; } static JS::Handle GetProtoObjectHandle(JSContext* aCx); static const JSClassOps sClassOps = { nullptr, /* addProperty */ nullptr, /* delProperty */ nullptr, /* enumerate */ nullptr, /* newEnumerate */ nullptr, /* resolve */ nullptr, /* mayResolve */ _finalize, /* finalize */ nullptr, /* call */ nullptr, /* construct */ nullptr, /* trace */ }; static const DOMJSClass sClass = { { "XMLHttpRequest", JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(2) | JSCLASS_PRESERVES_WRAPPER, &sClassOps, JS_NULL_CLASS_SPEC, &NativeTypeHelpers::sClassExtension, JS_NULL_OBJECT_OPS }, { prototypes::id::EventTarget, prototypes::id::XMLHttpRequestEventTarget, prototypes::id::XMLHttpRequest, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count }, std::is_base_of_v, &sNativePropertyHooks, GetProtoObjectHandle, GetCCParticipant::Get(), nullptr, NativeTypeHelpers::GetWrapperCache }; static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS, "Must have the right minimal number of reserved slots."); static_assert(2 >= 2, "Must have enough reserved slots."); bool Wrap(JSContext* aCx, mozilla::dom::XMLHttpRequest* aObject, nsWrapperCache* aCache, JS::Handle aGivenProto, JS::MutableHandle aReflector) { static_assert(!std::is_base_of_v, "Shouldn't have wrappercached things that are not refcounted."); static_assert(std::is_same_v); MOZ_ASSERT(static_cast(aObject) == reinterpret_cast(aObject), "Multiple inheritance for mozilla::dom::XMLHttpRequestEventTarget is broken."); MOZ_ASSERT(static_cast(aObject) == reinterpret_cast(aObject), "Multiple inheritance for mozilla::dom::EventTarget is broken."); MOZ_ASSERT(ToSupportsIsCorrect(aObject)); MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx)); MOZ_ASSERT(!aCache->GetWrapper(), "You should probably not be using Wrap() directly; use " "GetOrCreateDOMReflector instead"); MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache), "nsISupports must be on our primary inheritance chain"); // If the wrapper cache contains a dead reflector then finalize that // now, ensuring that the finalizer for the old reflector always // runs before the new reflector is created and attached. This // avoids the awkward situation where there are multiple reflector // objects that contain pointers to the same native. if (JSObject* oldReflector = aCache->GetWrapperMaybeDead()) { _finalize(nullptr /* unused */, oldReflector); MOZ_ASSERT(!aCache->GetWrapperMaybeDead()); } JS::Rooted global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject())); if (!global) { return false; } MOZ_ASSERT(JS_IsGlobalObject(global)); JS::AssertObjectIsNotGray(global); // That might have ended up wrapping us already, due to the wonders // of XBL. Check for that, and bail out as needed. aReflector.set(aCache->GetWrapper()); if (aReflector) { #ifdef DEBUG AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto); #endif // DEBUG return true; } JSAutoRealm ar(aCx, global); JS::Handle canonicalProto = GetProtoObjectHandle(aCx); if (!canonicalProto) { return false; } JS::Rooted proto(aCx); if (aGivenProto) { proto = aGivenProto; // Unfortunately, while aGivenProto was in the compartment of aCx // coming in, we changed compartments to that of "parent" so may need // to wrap the proto here. if (js::GetContextCompartment(aCx) != JS::GetCompartment(proto)) { if (!JS_WrapObject(aCx, &proto)) { return false; } } } else { proto = canonicalProto; } BindingJSObjectCreator creator(aCx); creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector); if (!aReflector) { return false; } aCache->SetWrapper(aReflector); creator.InitializationSucceeded(); MOZ_ASSERT(aCache->GetWrapperPreserveColor() && aCache->GetWrapperPreserveColor() == aReflector); // If proto != canonicalProto, we have to preserve our wrapper; // otherwise we won't be able to properly recreate it later, since // we won't know what proto to use. Note that we don't check // aGivenProto here, since it's entirely possible (and even // somewhat common) to have a non-null aGivenProto which is the // same as canonicalProto. if (proto != canonicalProto) { PreserveWrapper(aObject); } return true; } void ClearCachedResponseTextValue(mozilla::dom::XMLHttpRequest* aObject) { JSObject* obj; obj = aObject->GetWrapper(); if (!obj) { return; } JS::SetNativeObjectReservedSlot(obj, (DOM_INSTANCE_RESERVED_SLOTS + 0), JS::UndefinedValue()); ClearXrayExpandoSlots(RootingCx(), obj, (DOM_EXPANDO_RESERVED_SLOTS + 0)); } void CreateInterfaceObjects(JSContext* aCx, JS::Handle aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, DefineInterfaceProperty aDefineOnGlobal) { JS::Heap* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::XMLHttpRequest); JS::Heap* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::XMLHttpRequest); JS::Handle parentProto(XMLHttpRequestEventTarget_Binding::GetProtoObjectHandle(aCx)); if (!parentProto) { return; } JS::Handle constructorProto(XMLHttpRequestEventTarget_Binding::GetConstructorObjectHandle(aCx)); if (!constructorProto) { return; } dom::CreateInterfaceObjects(aCx, aGlobal, parentProto, &sPrototypeClass, protoCache, constructorProto, &sInterfaceObjectInfo, 0, false, Span{}, interfaceCache, sNativeProperties.Upcast(), sChromeOnlyNativeProperties.Upcast(), "XMLHttpRequest", ShouldExpose(aCx, aGlobal, aDefineOnGlobal), nullptr, false, nullptr); } static JS::Handle GetProtoObjectHandle(JSContext* aCx) { /* Get the interface prototype object for this class. This will create the object as needed. */ return GetPerInterfaceObjectHandle(aCx, prototypes::id::XMLHttpRequest, &CreateInterfaceObjects, DefineInterfaceProperty::CheckExposure); } JS::Handle GetConstructorObjectHandle(JSContext* aCx) { /* Get the interface object for this class. This will create the object as needed. */ return GetPerInterfaceObjectHandle(aCx, constructors::id::XMLHttpRequest, &CreateInterfaceObjects, DefineInterfaceProperty::CheckExposure); } } // namespace XMLHttpRequest_Binding } // namespace dom } // namespace mozilla