Compiler problem or code problem ?

extern int ma1period=5;
extern int ma1method=1;
extern int ma1tf=0;
extern int ma2period=5;
extern int ma2method=1;
extern int ma2tf=10080;
extern double lots=1;

int init(){}
int deinit(){}

double CMA (int tf,int period, int shift, int method)
   {
      double MA=iMA(NULL,tf,period,0,method,0,shift)
      return(MA)
   }
   

int start()
  {
    int BarsCount=0;
    
    if (Bars> BarsCount)
    {
     BarsCount=Bars;
     
     double ma1.1=CMA(ma1tf,ma1period,1,ma1method);
     double ma1.2=CMA(ma1tf,ma1period,2,ma1method);
     double ma2.1=CMA(ma2tf,ma2period,1,ma2method);
     double ma2.2=CMA(ma2tf,ma2period,2,ma2method); 
      
     bool ma1upsignal   =ma1.2<ma1.1;
     bool ma1downsignal =ma1.2>ma1.1;
     bool ma2upsignal   =ma2.2<ma2.1;
     bool ma2downsignal =ma2.2>ma2.1;
     
     if (ma1upsignal&&ma2upsignal)
     {
     OrderSend(Symbol(),OP_BUY,lots,Ask,3,NULL,NULL,NULL,NULL,0,Green);
     }
     
     if (ma1downsignal&&ma2downsignal)
     {
     OrderSend(Symbol(),OP_SELL,lots,Bid,3,NULL,NULL,NULL,NULL,0,Green);
     }
     
     if ((ma1upsignal&&ma2downsignal)||(ma1downsignal&&ma2upsignal))
     {
      int total=OrdersTotal(); //Script to close all open orders.
      for(int i=total-1;i>=0;i--)
      {
        OrderSelect(i, SELECT_BY_POS);
        int type   = OrderType();
            
        switch(type)
        {
          //Close opened long positions
          case OP_BUY       : OrderClose( OrderTicket(), OrderLots(), MarketInfo(OrderSymbol(), MODE_BID), 5, Red );
                              break;
          //Close opened short positions
          case OP_SELL      : OrderClose( OrderTicket(), OrderLots(), MarketInfo(OrderSymbol(), MODE_ASK), 5, Red );
        }
      }
     }
    
    
  }