protected override Result DoEval(Evaluator evaluater, Result[] argArray)
{
Type type = typeof(int);
int ret = System.Convert.ToInt32(argArray[0].Value) % System.Convert.ToInt32(argArray[1].Value);
return(new Result(type, ConvertHelper.ChangeType(ret, type)));
}
protected override void ProcessArg(Evaluator evaluater, Result[] argArray)
{
base.ProcessArg(evaluater, argArray);
Type type0 = argArray[0].Type;
Type type1 = argArray[1].Type;
int result;
if (type0 == null || type1 == null)
{
throw new InvalidCastException();
}
if (BinaryHelper.ComparePrimitiveType(type0, type1, out result))
{
if (result > 0)
{
argArray[1].Value = ConvertHelper.ChangeType(argArray[1].Value, type0);
}
else if (result < 0)
{
argArray[0].Value = ConvertHelper.ChangeType(argArray[0].Value, type1);
}
}
else
{
throw new InvalidCastException(string.Format("from {1} to {0}", type0.Name, type1.Name));
}
}
protected override Result DoEval(Evaluator evaluater, Result[] argArray)
{
Type type = argArray[0].Type;
double ret = System.Convert.ToDouble(argArray[0].Value) / System.Convert.ToDouble(argArray[1].Value);
return(new Result(type, ConvertHelper.ChangeType(ret, type)));
}
protected override Result DoEval(Evaluator evaluater, Result[] argArray)
{
Type type0 = argArray[0].Type;
Type type1 = argArray[1].Type;
if (type0 == null && type1 == null)
{
return(new Result(null, null));
}
else
{
if (type0 == typeof(string))
{
return(new Result(ConvertHelper.ToString(argArray[0].Value) + ConvertHelper.ToString(argArray[1].Value)));
}
else
{
double ret = System.Convert.ToDouble(argArray[0].Value) + System.Convert.ToDouble(argArray[1].Value);
return(new Result(type0, ConvertHelper.ChangeType(ret, type0)));
}
}
}
internal override Result Eval(Evaluator evaluater, Result[] argArray)
{
if (argArray.Length < 2)
{
throw new ArgumentException();
}
object target = argArray[0].Value;
if (target == null)
{
throw new ArgumentException();
}
int length = argArray.Length - 1;
Type type = null;
BindingFlags bindingFlags = BindingFlags.Default;
if (target is Type)
{
type = (Type)target;
target = null;
bindingFlags = BindingFlags.Static;
}
else
{
type = target.GetType();
bindingFlags = BindingFlags.Instance;
}
bindingFlags = BindingFlags.Public;
Type[] argTypeArray = new Type[length];
object[] argValueAry = new object[length];
for (int i = 0; i < length; i++)
{
argTypeArray[i] = argArray[i + 1].Type;
argValueAry[i] = argArray[i + 1].Value;
}
Binder defaultBinder = Type.DefaultBinder;
PropertyInfo pi = type.GetProperty("Item", bindingFlags, defaultBinder, null, argTypeArray, null);
if (pi == null)
{
pi = type.GetProperty("Items", bindingFlags, defaultBinder, null, argTypeArray, null);
}
if (pi != null)
{
return(new Result(pi.PropertyType, pi.GetValue(target, argValueAry)));
}
if (target == null)
{
throw new ArgumentException();
}
object ret;
if (target is string)
{
string s = (string)target;
int index = (int)ConvertHelper.ChangeType(argArray[1].Value, typeof(int));
ret = s[index];
return(new Result(typeof(char), ret));
}
if (target is Array)
{
Array array = (Array)target;
if (array.Rank != (argArray.Length - 1))
{
throw new ArgumentException();
}
int[] indices = new int[length];
for (int i = 0; i < length; i++)
{
indices[i] = (int)ConvertHelper.ChangeType(argArray[i + 1].Value, typeof(int));
}
ret = array.GetValue(indices);
if (ret != null)
{
return(new Result(ret.GetType(), ret));
}
return(new Result(null, null));
}
if (target is IList)
{
IList list = (IList)target;
if (argArray.Length != 2)
{
throw new ArgumentException();
}
int index = (int)ConvertHelper.ChangeType(argArray[1].Value, typeof(int));
ret = list[index];
if (ret != null)
{
return(new Result(ret.GetType(), ret));
}
return(new Result(null, null));
}
throw new ArgumentException();
}