EncodedJSValue JSC_HOST_CALL protoFuncWeakMapHas(CallFrame* callFrame)
{
WeakMapData* map = getWeakMapData(callFrame, callFrame->thisValue());
if (!map)
return JSValue::encode(jsUndefined());
JSValue key = callFrame->argument(0);
return JSValue::encode(jsBoolean(key.isObject() && map->contains(asObject(key))));
}
EncodedJSValue JSC_HOST_CALL protoFuncWeakMapClear(CallFrame* callFrame)
{
WeakMapData* map = getWeakMapData(callFrame, callFrame->thisValue());
if (!map)
return JSValue::encode(jsUndefined());
map->clear();
return JSValue::encode(jsUndefined());
}
EncodedJSValue JSC_HOST_CALL protoFuncWeakMapGet(CallFrame* callFrame)
{
WeakMapData* map = getWeakMapData(callFrame, callFrame->thisValue());
if (!map)
return JSValue::encode(jsUndefined());
JSValue key = callFrame->argument(0);
if (!key.isObject())
return JSValue::encode(throwTypeError(callFrame, WTF::ASCIILiteral("A WeakMap cannot have a non-object key")));
return JSValue::encode(map->get(asObject(key)));
}
EncodedJSValue JSC_HOST_CALL protoFuncWeakMapSet(CallFrame* callFrame)
{
WeakMapData* map = getWeakMapData(callFrame, callFrame->thisValue());
if (!map)
return JSValue::encode(jsUndefined());
JSValue key = callFrame->argument(0);
if (!key.isObject())
return JSValue::encode(throwTypeError(callFrame, WTF::ASCIILiteral("Attempted to set a non-object key in a WeakMap")));
map->set(callFrame->vm(), asObject(key), callFrame->argument(1));
return JSValue::encode(callFrame->thisValue());
}
EncodedJSValue JSC_HOST_CALL protoFuncWeakMapSet(CallFrame* callFrame)
{
VM& vm = callFrame->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
WeakMapData* map = getWeakMapData(callFrame, callFrame->thisValue());
ASSERT(!!scope.exception() == !map);
if (!map)
return JSValue::encode(jsUndefined());
JSValue key = callFrame->argument(0);
if (!key.isObject())
return JSValue::encode(throwTypeError(callFrame, scope, WTF::ASCIILiteral("Attempted to set a non-object key in a WeakMap")));
map->set(vm, asObject(key), callFrame->argument(1));
return JSValue::encode(callFrame->thisValue());
}
