private DynamicMetaObject InvokeIndexer(DynamicMetaObject target, DynamicMetaObject[] indexes, DynamicMetaObject errorSuggestion, string methodName)
{
Func <Expression, Expression, Expression> generateIndexOperation = null;
MethodInfo getter = PSInvokeMemberBinder.FindBestMethod(target, indexes, "get_" + methodName, false, this._constraints);
if (getter == null)
{
return(this.CheckForSlicing(target, indexes) ?? (errorSuggestion ?? this.CannotIndexTarget(target, indexes)));
}
ParameterInfo[] parameters = getter.GetParameters();
if (parameters.Length != indexes.Length)
{
if ((parameters.Length == 1) && this._allowSlicing)
{
return(this.InvokeSlicingIndexer(target, indexes));
}
return(errorSuggestion ?? this.CannotIndexTarget(target, indexes));
}
if (parameters.Length == 1)
{
DynamicMetaObject obj2 = this.CheckForSlicing(target, indexes);
if (obj2 != null)
{
return(obj2);
}
}
Expression[] arguments = new Expression[parameters.Length];
for (int j = 0; j < parameters.Length; j++)
{
Type parameterType = parameters[j].ParameterType;
arguments[j] = ConvertIndex(indexes[j], parameterType);
if (arguments[j] == null)
{
return(errorSuggestion ?? PSConvertBinder.ThrowNoConversion(target, parameterType, this, this._version, indexes));
}
}
if (((parameters.Length == 1) && parameters[0].ParameterType.Equals(typeof(int))) && CanIndexFromEndWithNegativeIndex(target))
{
PropertyInfo lengthProperty = target.LimitType.GetProperty("Count") ?? target.LimitType.GetProperty("Length");
if (lengthProperty != null)
{
if (generateIndexOperation == null)
{
generateIndexOperation = (t, i) => Expression.Call(t, getter, new Expression[] { i }).Cast(typeof(object));
}
return(this.IndexWithNegativeChecks(new DynamicMetaObject(target.Expression.Cast(target.LimitType), target.PSGetTypeRestriction()), new DynamicMetaObject(arguments[0], indexes[0].PSGetTypeRestriction()), lengthProperty, generateIndexOperation));
}
}
return(new DynamicMetaObject(this.SafeIndexResult(Expression.Call(target.Expression.Cast(target.LimitType), getter, arguments)), target.CombineRestrictions(indexes).Merge(BinderUtils.GetVersionCheck(this, this._version)).Merge(BinderUtils.GetLanguageModeCheckIfHasEverUsedConstrainedLanguage())));
}
private DynamicMetaObject InvokeIndexer(DynamicMetaObject target, DynamicMetaObject[] indexes, DynamicMetaObject value, DynamicMetaObject errorSuggestion, string methodName)
{
DynamicMetaObject dynamicMetaObject;
Func <Expression, Expression, Expression, Expression> func = null;
MethodInfo methodInfo = PSInvokeMemberBinder.FindBestMethod(target, indexes.Append <DynamicMetaObject>(value), string.Concat("set_", methodName), false, this._constraints);
if (methodInfo != null)
{
ParameterInfo[] parameters = methodInfo.GetParameters();
if ((int)parameters.Length == (int)indexes.Length + 1)
{
Expression[] expressionArray = new Expression[(int)parameters.Length];
int num = 0;
while (num < (int)parameters.Length)
{
Type parameterType = parameters[num].ParameterType;
Expression[] expressionArray1 = expressionArray;
int num1 = num;
if (num == (int)parameters.Length - 1)
{
dynamicMetaObject = value;
}
else
{
dynamicMetaObject = indexes[num];
}
expressionArray1[num1] = PSGetIndexBinder.ConvertIndex(dynamicMetaObject, parameterType);
if (expressionArray[num] != null)
{
num++;
}
else
{
DynamicMetaObject dynamicMetaObject1 = errorSuggestion;
DynamicMetaObject dynamicMetaObject2 = dynamicMetaObject1;
if (dynamicMetaObject1 == null)
{
dynamicMetaObject2 = PSConvertBinder.ThrowNoConversion(target, parameterType, this, this._version, indexes.Append <DynamicMetaObject>(value).ToArray <DynamicMetaObject>());
}
return(dynamicMetaObject2);
}
}
if ((int)parameters.Length == 2 && parameters[0].ParameterType.Equals(typeof(int)) && target.Value as IDictionary == null)
{
PropertyInfo property = target.LimitType.GetProperty("Length");
PropertyInfo propertyInfo = property;
if (property == null)
{
propertyInfo = target.LimitType.GetProperty("Count");
}
PropertyInfo propertyInfo1 = propertyInfo;
if (propertyInfo1 != null)
{
PSSetIndexBinder pSSetIndexBinder = this;
DynamicMetaObject dynamicMetaObject3 = new DynamicMetaObject(target.Expression.Cast(target.LimitType), target.PSGetTypeRestriction());
DynamicMetaObject dynamicMetaObject4 = new DynamicMetaObject(expressionArray[0], indexes[0].PSGetTypeRestriction());
DynamicMetaObject dynamicMetaObject5 = new DynamicMetaObject(expressionArray[1], value.PSGetTypeRestriction());
PropertyInfo propertyInfo2 = propertyInfo1;
if (func == null)
{
func = (Expression t, Expression i, Expression v) => Expression.Call(t, methodInfo, i, v);
}
return(pSSetIndexBinder.IndexWithNegativeChecks(dynamicMetaObject3, dynamicMetaObject4, dynamicMetaObject5, propertyInfo2, func));
}
}
BindingRestrictions bindingRestriction = target.CombineRestrictions(indexes).Merge(value.PSGetTypeRestriction());
bindingRestriction = bindingRestriction.Merge(BinderUtils.GetVersionCheck(this, this._version));
bindingRestriction = bindingRestriction.Merge(BinderUtils.GetLanguageModeCheckIfHasEverUsedConstrainedLanguage());
Expression expression = expressionArray[(int)expressionArray.Length - 1];
ParameterExpression parameterExpression = Expression.Parameter(expression.Type, "value");
expressionArray[(int)expressionArray.Length - 1] = parameterExpression;
ParameterExpression[] parameterExpressionArray = new ParameterExpression[1];
parameterExpressionArray[0] = parameterExpression;
Expression[] expressionArray2 = new Expression[3];
expressionArray2[0] = Expression.Assign(parameterExpression, expression);
expressionArray2[1] = Expression.Call(target.Expression.Cast(target.LimitType), methodInfo, expressionArray);
expressionArray2[2] = parameterExpression.Cast(typeof(object));
return(new DynamicMetaObject(Expression.Block(parameterExpressionArray, expressionArray2), bindingRestriction));
}
else
{
DynamicMetaObject dynamicMetaObject6 = errorSuggestion;
DynamicMetaObject dynamicMetaObject7 = dynamicMetaObject6;
if (dynamicMetaObject6 == null)
{
dynamicMetaObject7 = this.CannotIndexTarget(target, indexes, value);
}
return(dynamicMetaObject7);
}
}
else
{
DynamicMetaObject dynamicMetaObject8 = errorSuggestion;
DynamicMetaObject dynamicMetaObject9 = dynamicMetaObject8;
if (dynamicMetaObject8 == null)
{
dynamicMetaObject9 = this.CannotIndexTarget(target, indexes, value);
}
return(dynamicMetaObject9);
}
}