Copy as Markdown
Other Tools
/* THIS FILE IS AUTOGENERATED FROM IteratorResult.webidl BY Codegen.py - DO NOT EDIT */
#include <type_traits>
#include "AtomList.h"
#include "IteratorResultBinding.h"
#include "MainThreadUtils.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 "mozilla/OwningNonNull.h"
#include "mozilla/dom/BindingCallContext.h"
#include "mozilla/dom/BindingUtils.h"
#include "mozilla/dom/NonRefcountedDOMObject.h"
#include "mozilla/dom/PrimitiveConversions.h"
#include "mozilla/dom/ScriptSettings.h"
namespace mozilla::dom {
namespace binding_detail {}; // Just to make sure it's known as a namespace
using namespace mozilla::dom::binding_detail;
IteratorResult::IteratorResult()
{
// Safe to pass a null context if we pass a null value
Init(nullptr, JS::NullHandleValue);
}
bool
IteratorResult::InitIds(JSContext* cx, IteratorResultAtoms* atomsCache)
{
MOZ_ASSERT(reinterpret_cast<jsid*>(atomsCache)->isVoid());
// Initialize these in reverse order so that any failure leaves the first one
// uninitialized.
if (!atomsCache->value_id.init(cx, "value") ||
!atomsCache->done_id.init(cx, "done")) {
return false;
}
return true;
}
bool
IteratorResult::Init(BindingCallContext& cx, JS::Handle<JS::Value> 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());
IteratorResultAtoms* atomsCache = nullptr;
if (cx) {
atomsCache = GetAtomCache<IteratorResultAtoms>(cx);
if (reinterpret_cast<jsid*>(atomsCache)->isVoid() &&
!InitIds(cx, atomsCache)) {
return false;
}
}
if (!IsConvertibleToDictionary(val)) {
return cx.ThrowErrorMessage<MSG_CONVERSION_ERROR>(sourceDescription, "dictionary");
}
bool isNull = val.isNullOrUndefined();
// We only need these if !isNull, in which case we have |cx|.
Maybe<JS::Rooted<JSObject *> > object;
Maybe<JS::Rooted<JS::Value> > temp;
if (!isNull) {
MOZ_ASSERT(cx);
object.emplace(cx, &val.toObject());
temp.emplace(cx);
}
if (!isNull) {
if (!JS_GetPropertyById(cx, *object, atomsCache->done_id, temp.ptr())) {
return false;
}
}
if (!isNull && !temp->isUndefined()) {
if (!ValueToPrimitive<bool, eDefault>(cx, temp.ref(), "'done' member of IteratorResult", &mDone)) {
return false;
}
mIsAnyMemberPresent = true;
} else if (cx) {
// Don't error out if we have no cx. In that
// situation the caller is default-constructing us and we'll
// just assume they know what they're doing.
return cx.ThrowErrorMessage<MSG_MISSING_REQUIRED_DICTIONARY_MEMBER>("'done' member of IteratorResult");
}
if (!isNull) {
if (!JS_GetPropertyById(cx, *object, atomsCache->value_id, temp.ptr())) {
return false;
}
}
if (!isNull && !temp->isUndefined()) {
#ifdef __clang__
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wunreachable-code"
#pragma clang diagnostic ignored "-Wunreachable-code-return"
#endif // __clang__
if ((passedToJSImpl) && !CallerSubsumes(temp.ref())) {
cx.ThrowErrorMessage<MSG_PERMISSION_DENIED_TO_PASS_ARG>("'value' member of IteratorResult");
return false;
}
#ifdef __clang__
#pragma clang diagnostic pop
#endif // __clang__
mValue = temp.ref();
} else {
mValue = JS::UndefinedValue();
}
mIsAnyMemberPresent = true;
return true;
}
bool
IteratorResult::Init(JSContext* cx_, JS::Handle<JS::Value> 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);
}
bool
IteratorResult::ToObjectInternal(JSContext* cx, JS::MutableHandle<JS::Value> rval) const
{
IteratorResultAtoms* atomsCache = GetAtomCache<IteratorResultAtoms>(cx);
if (reinterpret_cast<jsid*>(atomsCache)->isVoid() &&
!InitIds(cx, atomsCache)) {
return false;
}
JS::Rooted<JSObject*> obj(cx, JS_NewPlainObject(cx));
if (!obj) {
return false;
}
rval.set(JS::ObjectValue(*obj));
do {
// block for our 'break' successCode and scope for 'temp' and 'currentValue'
JS::Rooted<JS::Value> temp(cx);
bool const & currentValue = mDone;
temp.setBoolean(currentValue);
if (!JS_DefinePropertyById(cx, obj, atomsCache->done_id, temp, JSPROP_ENUMERATE)) {
return false;
}
break;
} while(false);
do {
// block for our 'break' successCode and scope for 'temp' and 'currentValue'
JS::Rooted<JS::Value> temp(cx);
JS::Value const & currentValue = mValue;
JS::ExposeValueToActiveJS(currentValue);
temp.set(currentValue);
if (!MaybeWrapValue(cx, &temp)) {
return false;
}
if (!JS_DefinePropertyById(cx, obj, atomsCache->value_id, temp, JSPROP_ENUMERATE)) {
return false;
}
break;
} while(false);
return true;
}
void
IteratorResult::TraceDictionary(JSTracer* trc)
{
JS::TraceRoot(trc, &mValue, "IteratorResult.mValue");
}
} // namespace mozilla::dom