Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
You take no Battle Damage from battles involving this card. When this attacking card is destroyed by battle and sent to the Graveyard, Special Summon 2 "Rockstone Tokens" (Rock-Type/EARTH/Level 1/ATK 0/DEF 0). These Tokens cannot be Tributed for a Tribute Summon.
--ロックストーン・ウォリアー
--Rockstone Warrior
local s,id=GetID()
function s.initial_effect(c)
	--Special summon 2 tokens to your field
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON+CATEGORY_TOKEN)
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_F)
	e1:SetCode(EVENT_BATTLE_DESTROYED)
	e1:SetCondition(s.condition)
	e1:SetTarget(s.target)
	e1:SetOperation(s.operation)
	c:RegisterEffect(e1)
	--Take no battle damage involving this card
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_SINGLE)
	e2:SetCode(EFFECT_AVOID_BATTLE_DAMAGE)
	e2:SetValue(1)
	c:RegisterEffect(e2)
end
s.listed_names={51987572}
function s.condition(e,tp,eg,ep,ev,re,r,rp)
	return e:GetHandler()==Duel.GetAttacker() and e:GetHandler():IsLocation(LOCATION_GRAVE)
		and e:GetHandler():IsReason(REASON_BATTLE)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetOperationInfo(0,CATEGORY_TOKEN,nil,2,0,0)
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,2,tp,0)
end
function s.operation(e,tp,eg,ep,ev,re,r,rp)
	if Duel.IsPlayerAffectedByEffect(tp,CARD_BLUEEYES_SPIRIT) or Duel.GetLocationCount(tp,LOCATION_MZONE)<2 
		or not Duel.IsPlayerCanSpecialSummonMonster(tp,id+1,0,TYPES_TOKEN,0,0,1,RACE_ROCK,ATTRIBUTE_EARTH) then return end
	for i=1,2 do
		local token=Duel.CreateToken(tp,id+1)
		Duel.SpecialSummonStep(token,0,tp,tp,false,false,POS_FACEUP)
		--Cannot be tributed for a tribute summon
		local e1=Effect.CreateEffect(e:GetHandler())
		e1:SetDescription(3303)
		e1:SetProperty(EFFECT_FLAG_CLIENT_HINT)
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_UNRELEASABLE_SUM)
		e1:SetReset(RESET_EVENT|RESETS_STANDARD)
		e1:SetValue(1)
		token:RegisterEffect(e1,true)
	end
	Duel.SpecialSummonComplete()
end