uint64_t
js::TaggedProto::uniqueId() const
{
if (isLazy())
return uint64_t(1);
JSObject* obj = toObjectOrNull();
if (!obj)
return uint64_t(0);
return obj->zone()->getUniqueIdInfallible(obj);
}
bool rs::jsapi::Object::CallFunction(JSContext* cx, unsigned argc, JS::Value* vp) {
JSAutoRequest ar(cx);
char nameBuffer[256];
const char* name = nameBuffer;
auto args = JS::CallArgsFromVp(argc, vp);
auto func = JS_ValueToFunction(cx, args.calleev());
if (func != nullptr) {
auto funcName = JS_GetFunctionId(func);
if (funcName != nullptr) {
auto nameLength = JS_EncodeStringToBuffer(cx, funcName, nameBuffer, sizeof(nameBuffer));
if ((nameLength + 1) < sizeof(nameBuffer)) {
nameBuffer[nameLength] = '\0';
} else {
std::vector<char> vBuffer(nameLength + 1);
JS_EncodeStringToBuffer(cx, funcName, &vBuffer[0], nameLength);
vBuffer[nameLength] = '\0';
name = &vBuffer[0];
}
}
}
if (name == nullptr) {
// TODO: test this case
JS_ReportError(cx, "Unable to find function in libjsapi object");
return false;
} else {
auto that = args.thisv();
auto state = that.isObjectOrNull() ? Object::GetState(cx, JS::RootedObject(cx, that.toObjectOrNull())) : nullptr;
if (state == nullptr) {
// TODO: test this case
JS_ReportError(cx, "Unable to find function callback in libjsapi object");
return false;
} else {
try {
static thread_local std::vector<Value> vArgs;
VectorUtils::ScopedVectorCleaner<Value> clean(vArgs);
for (int i = 0; i < argc; ++i) {
vArgs.emplace_back(cx, args.get(i));
}
Value result(cx);
state->functions[name](vArgs, result);
args.rval().set(result);
return true;
} catch (const std::exception& ex) {
JS_ReportError(cx, ex.what());
return false;
}
}
}
}
