public override int GenerateCode(int loc, IVirtualMachine vm, CheckerInformation info)
{
if (Type != Type.DECIMAL && Type != Type.INT32)
{
throw new IVirtualMachine.InternalError("Use of invalid (not existing) casting type " + Type.ToString());
}
Type exprType = Expr.GetExpressionType(info);
if (exprType != Type.DECIMAL && exprType != Type.INT32)
{
throw new IVirtualMachine.InternalError("Cannot cast from type " + exprType.ToString());
}
loc = Expr.GenerateCode(loc, vm, info);
if (Type != exprType)
{
if (Type == Type.DECIMAL && exprType == Type.INT32)
{
vm.IntToDecimal(loc++);
}
else if (Type == Type.INT32 && exprType == Type.DECIMAL)
{
vm.DecimalToInt(loc++);
}
else
{
throw new IVirtualMachine.InternalError("Invalid casting operation");
}
}
return(loc);
}