EncodedTiValue JSC_HOST_CALL errorProtoFuncToString(TiExcState* exec)
{
TiObject* thisObj = exec->hostThisValue().toThisObject(exec);
StringRecursionChecker checker(exec, thisObj);
if (EncodedTiValue earlyReturnValue = checker.earlyReturnValue())
return earlyReturnValue;
TiValue name = thisObj->get(exec, exec->propertyNames().name);
TiValue message = thisObj->get(exec, exec->propertyNames().message);
// Mozilla-compatible format.
if (!name.isUndefined()) {
if (!message.isUndefined())
return TiValue::encode(jsMakeNontrivialString(exec, name.toString(exec), ": ", message.toString(exec)));
return TiValue::encode(jsNontrivialString(exec, name.toString(exec)));
}
if (!message.isUndefined())
return TiValue::encode(jsMakeNontrivialString(exec, "Error: ", message.toString(exec)));
return TiValue::encode(jsNontrivialString(exec, "Error"));
}
bool TiValueIsInstanceOfConstructor(TiContextRef ctx, TiValueRef value, TiObjectRef constructor, TiValueRef* exception)
{
TiExcState* exec = toJS(ctx);
APIEntryShim entryShim(exec);
TiValue jsValue = toJS(exec, value);
TiObject* jsConstructor = toJS(constructor);
if (!jsConstructor->structure()->typeInfo().implementsHasInstance())
return false;
bool result = jsConstructor->hasInstance(exec, jsValue, jsConstructor->get(exec, exec->propertyNames().prototype)); // false if an exception is thrown
if (exec->hadException()) {
if (exception)
*exception = toRef(exec, exec->exception());
exec->clearException();
}
return result;
}