public void BinopExp(BinopExp e)
{
e.Left.Visit(this);
e.Right.Visit(this);
switch(e.Oper){
case Operator.ADD:
il.Emit(OpCodes.Add);
break;
case Operator.SUB:
il.Emit(OpCodes.Sub);
break;
case Operator.MUL:
il.Emit(OpCodes.Mul);
break;
case Operator.DIVIDE:
il.Emit(OpCodes.Div);
break;
}
}
public void BinopExp(BinopExp e)
{
e.Left.Visit(this);
CheckInt(e.Left);
e.Right.Visit(this);
CheckInt(e.Right);
if (e.Left.ExpType != typeof(int)){
if (e.Left is CarExp){
e.Left = new ToIntExp(e.Left);
}
else{
Console.WriteLine("Error 101: Cannot Convert expression to Int");
success = false;
}
}
if (e.Right.ExpType != typeof(int)){
if (e.Right is CarExp){
e.Right = new ToIntExp(e.Right);
}
else{
Console.WriteLine("Error 102: Connot Convert expression to Int");
success = false;
}
}
e.ExpType = typeof(int);
}
