bool
CreateThis(JSContext *cx, HandleObject callee, MutableHandleValue rval)
{
rval.set(MagicValue(JS_IS_CONSTRUCTING));
if (callee->isFunction()) {
JSFunction *fun = callee->toFunction();
if (fun->isInterpreted()) {
JSScript *script = fun->getOrCreateScript(cx);
if (!script || !script->ensureHasTypes(cx))
return false;
rval.set(ObjectValue(*CreateThisForFunction(cx, callee, false)));
}
}
return true;
}
bool
CreateThis(JSContext *cx, HandleObject callee, MutableHandleValue rval)
{
rval.set(MagicValue(JS_IS_CONSTRUCTING));
if (callee->is<JSFunction>()) {
JSFunction *fun = &callee->as<JSFunction>();
if (fun->isInterpretedConstructor()) {
JSScript *script = fun->getOrCreateScript(cx);
if (!script || !script->ensureHasTypes(cx))
return false;
JSObject *thisObj = CreateThisForFunction(cx, callee, GenericObject);
if (!thisObj)
return false;
rval.set(ObjectValue(*thisObj));
}
}
return true;
}
JSBool
CallObject::setArgOp(JSContext *cx, JSObject *obj, jsid id, JSBool strict, Value *vp)
{
CallObject &callobj = obj->asCall();
JS_ASSERT((int16_t) JSID_TO_INT(id) == JSID_TO_INT(id));
unsigned i = (uint16_t) JSID_TO_INT(id);
if (StackFrame *fp = callobj.maybeStackFrame())
fp->formalArg(i) = *vp;
else
callobj.setArg(i, *vp);
JSFunction *fun = callobj.getCalleeFunction();
JSScript *script = fun->script();
if (!script->ensureHasTypes(cx))
return false;
TypeScript::SetArgument(cx, script, i, *vp);
return true;
}
static JSBool
ArgSetter(JSContext *cx, HandleObject obj, HandleId id, JSBool strict, Value *vp)
{
if (!obj->isNormalArguments())
return true;
NormalArgumentsObject &argsobj = obj->asNormalArguments();
JSScript *script = argsobj.containingScript();
if (JSID_IS_INT(id)) {
unsigned arg = unsigned(JSID_TO_INT(id));
if (arg < argsobj.initialLength() && !argsobj.isElementDeleted(arg)) {
argsobj.setElement(arg, *vp);
if (arg < script->function()->nargs) {
if (!script->ensureHasTypes(cx))
return false;
types::TypeScript::SetArgument(cx, script, arg, *vp);
}
return true;
}
} else {
JS_ASSERT(JSID_IS_ATOM(id, cx->runtime->atomState.lengthAtom) ||
JSID_IS_ATOM(id, cx->runtime->atomState.calleeAtom));
}
/*
* For simplicity we use delete/define to replace the property with one
* backed by the default Object getter and setter. Note that we rely on
* args_delProperty to clear the corresponding reserved slot so the GC can
* collect its value. Note also that we must define the property instead
* of setting it in case the user has changed the prototype to an object
* that has a setter for this id.
*/
RootedValue value(cx);
return baseops::DeleteGeneric(cx, obj, id, value.address(), false) &&
baseops::DefineProperty(cx, obj, id, vp, NULL, NULL, JSPROP_ENUMERATE);
}