bool
WrapperOwner::toString(JSContext* cx, HandleObject cpow, JS::CallArgs& args)
{
// Ask the other side to call its toString method. Update the callee so that
// it points to the CPOW and not to the synthesized CPOWToString function.
args.setCallee(ObjectValue(*cpow));
if (!callOrConstruct(cx, cpow, args, false))
return false;
if (!args.rval().isString())
return true;
RootedString cpowResult(cx, args.rval().toString());
nsAutoJSString toStringResult;
if (!toStringResult.init(cx, cpowResult))
return false;
// We don't want to wrap toString() results for things like the location
// object, where toString() is supposed to return a URL and nothing else.
nsAutoString result;
if (toStringResult[0] == '[') {
result.AppendLiteral("[object CPOW ");
result += toStringResult;
result.AppendLiteral("]");
} else {
result += toStringResult;
}
JSString* str = JS_NewUCStringCopyN(cx, result.get(), result.Length());
if (!str)
return false;
args.rval().setString(str);
return true;
}
