public override Dyn.DynamicMetaObject FallbackConvert(Dyn.DynamicMetaObject target, Dyn.DynamicMetaObject errorSuggestion)
{
if (!target.HasValue)
{
return Defer(target);
}
if (target.LimitType.IsSubclassOf(typeof(Any)))
{
return new Dyn.DynamicMetaObject(Expression.Convert(target.Expression, typeof(Any)), target.Restrictions.Merge(Dyn.BindingRestrictions.GetTypeRestriction(target.Expression, target.LimitType)));
}
if (target.Value == null)
{
return new Dyn.DynamicMetaObject(Expression.Constant(Any.None, typeof(Any)), Dyn.BindingRestrictions.GetInstanceRestriction(target.Expression, null));
}
var targetExpression = target.Expression;
if (targetExpression.Type != target.LimitType)
{
targetExpression = Expression.Convert(targetExpression, target.LimitType);
}
var restrictions = target.Restrictions
.Merge(Dyn.BindingRestrictions.GetTypeRestriction(target.Expression, target.LimitType));
var converter = converters[target.LimitType];
return new Dyn.DynamicMetaObject(converter(targetExpression), restrictions);
}
public override DYN.DynamicMetaObject FallbackGetIndex(DYN.DynamicMetaObject target, DYN.DynamicMetaObject[] indexes, DYN.DynamicMetaObject errorSuggestion)
{
DLR.Expression expression;
DYN.BindingRestrictions restriction;
if (indexes.Length == 1 && indexes[0].HasValue && indexes[0].Value == null)
{
restriction = DYN.BindingRestrictions.GetExpressionRestriction(
DLR.Expression.Equal(indexes[0].Expression, DLR.Expression.Constant(null))
);
expression = target.Expression;
}
else
{
restriction = DYN.BindingRestrictions.GetTypeRestriction(
indexes[0].Expression, typeof(List<Types.AType>)
);
var indexer = DLR.Expression.Convert(indexes[0].Expression, typeof(List<Types.AType>));
var rankCheck = DLR.Expression.IfThen(
DLR.Expression.LessThan(
DLR.Expression.Property(target.Expression, "Rank"),
DLR.Expression.Property(indexer, "Count")
),
DLR.Expression.Throw(
DLR.Expression.New(typeof(Error.Rank).GetConstructor(new Type[] { typeof(string) }),
//DLR.Expression.Constant("[]")
// FIXME-LATER: This is just for debug, so remove it later:
DLR.Expression.Call(
DLR.Expression.Property(indexer, "Count"),
typeof(Int32).GetMethod("ToString", new Type[] { })
)
)
)
);
expression = DLR.Expression.Block(
rankCheck,
DLR.Expression.MakeIndex(
DLR.Expression.Convert(target.Expression, typeof(Types.AType)),
GetIndexBinder.AArrayIndexerProperty,
new DLR.Expression[] { indexer }
)
);
}
DYN.DynamicMetaObject dynobj = new DYN.DynamicMetaObject(
expression,
DYN.BindingRestrictions.GetTypeRestriction(target.Expression, target.RuntimeType).Merge(restriction)
);
return dynobj;
}
/// <summary>
/// Prints the list of contexts
/// </summary>
/// <param name="scope"></param>
/// <returns></returns>
public static AType PrintContexts(DYN.IDynamicMetaObjectProvider scope)
{
DYN.DynamicMetaObject storage = scope.GetMetaObject(
DLR.Expression.Property(
DLR.Expression.Convert(DLR.Expression.Constant(scope), typeof(Scope)),
"Storage"
)
);
Console.WriteLine(String.Join(" ", storage.GetDynamicMemberNames()));
return Utils.ANull();
}
public override DYN.DynamicMetaObject FallbackConvert(DYN.DynamicMetaObject target, DYN.DynamicMetaObject errorSuggestion)
{
DYN.BindingRestrictions restriction = DYN.BindingRestrictions.GetTypeRestriction(
target.Expression, target.RuntimeType
);
// Found an AType, simply return the expression
// We check if it implements the AType interface
if (target.RuntimeType.GetInterface("AType") != null)
{
DYN.DynamicMetaObject result = new DYN.DynamicMetaObject(
DLR.Expression.Convert(target.Expression, typeof(AType)),
restriction
);
return result;
}
else if(target.RuntimeType.Name == "Int32")
{
DYN.DynamicMetaObject result = new DYN.DynamicMetaObject(
// Create a new AInteger from the input value (need to convert to int first)
DLR.Expression.Call(
typeof(AInteger).GetMethod("Create", new Type[] { typeof(int) }),
DLR.Expression.Convert(target.Expression, typeof(int))
),
restriction
);
// .New AplusCore.Types.AInteger((System.Int32)$$arg0)
return result;
}
else if (target.RuntimeType.Name == "String")
{
DYN.DynamicMetaObject result = new DYN.DynamicMetaObject(
DLR.Expression.Convert(target.Expression, typeof(AType),
typeof(Helpers).GetMethod("BuildString")
),
restriction
);
return result;
}
// TODO::
throw new NotImplementedException();
}
public void Get_Dynamic_Parsed()
{
dynamic dyn = new
{
Property1 = 1M,
Property2 = "val",
Property3 = _now
};
var outDic = _digger.Get(dyn);
Assert.That(outDic.Count, Is.EqualTo(3));
Assert.That(outDic["Property1"].PropertyNameSource, Is.EqualTo(PropertyNameSource.Default));
Assert.That(outDic["Property1"].Value, Is.EqualTo(1M));
Assert.That(outDic["Property2"].PropertyNameSource, Is.EqualTo(PropertyNameSource.Default));
Assert.That(outDic["Property2"].Value, Is.EqualTo("val"));
Assert.That(outDic["Property3"].PropertyNameSource, Is.EqualTo(PropertyNameSource.Default));
Assert.That(outDic["Property3"].Value, Is.EqualTo(_now));
}
public override DYN.DynamicMetaObject FallbackSetIndex(DYN.DynamicMetaObject target, DYN.DynamicMetaObject[] indexes, DYN.DynamicMetaObject value, DYN.DynamicMetaObject errorSuggestion)
{
DLR.Expression expression;
DYN.BindingRestrictions restriction;
// TODO: Fix this: add restirction to AType interface
//// check if the target implements the AType interface
//if (target.RuntimeType.GetInterface("AType") == null)
//{
// dynobj = new DYN.DynamicMetaObject(
// DLR.Expression.Block(
// DLR.Expression.Throw(
// DLR.Expression.New(
// typeof(Error.Mismatch).GetConstructor(new Type[] { typeof(string) }),
// DLR.Expression.Constant(
// String.Format("No indexing defined on '{0}'", target.RuntimeType.ToString())
// )
// )
// ),
// value.Expression
// ),
// restriction
// );
// return dynobj;
//}
if (indexes.Length == 1 && indexes[0].HasValue && indexes[0].Value == null)
{
restriction = DYN.BindingRestrictions.GetExpressionRestriction(
DLR.Expression.Equal(indexes[0].Expression, DLR.Expression.Constant(null))
);
BindingFlags searchFlags = BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.Public;
expression = DLR.Expression.Block(
DLR.Expression.Call(
null,
typeof(Utils).GetMethod("PerformAssign", searchFlags),
DLR.Expression.Convert(target.Expression, typeof(AType)),
DLR.Expression.Convert(value.Expression, typeof(AType))
),
value.Expression
);
}
else
{
// $target[$indexes] = $value;
restriction = DYN.BindingRestrictions.GetTypeRestriction(
indexes[0].Expression, typeof(List<Types.AType>)
);
var indexer = DLR.Expression.Convert(indexes[0].Expression, typeof(List<Types.AType>));
var rankCheck = DLR.Expression.IfThen(
DLR.Expression.LessThan(
DLR.Expression.Property(target.Expression, "Rank"),
DLR.Expression.Property(indexer, "Count")
),
DLR.Expression.Throw(
DLR.Expression.New(typeof(Error.Rank).GetConstructor(new Type[] { typeof(string) }),
//DLR.Expression.Constant("[]")
// FIXME-LATER: This is just for debug, so remove it later:
DLR.Expression.Call(
DLR.Expression.Property(indexer, "Count"),
typeof(Int32).GetMethod("ToString", new Type[] { })
)
)
)
);
expression = DLR.Expression.Block(
typeof(Types.AType),
rankCheck,
DLR.Expression.Assign(
DLR.Expression.MakeIndex(
DLR.Expression.Convert(Tools.CloneMemoryMappedFile(target.Expression), typeof(Types.AType)),
SetIndexBinder.AArrayIndexerProperty,
new DLR.Expression[] { indexer }
),
value.Expression
),
value.Expression
);
}
DYN.DynamicMetaObject dynobj = new DYN.DynamicMetaObject(
expression,
DYN.BindingRestrictions.GetTypeRestriction(target.Expression, target.RuntimeType).Merge(restriction)
);
return dynobj;
}
public SetIndexBinder(DYN.CallInfo callinfo)
: base(callinfo)
{
}
public void Get_Dynamic_Parsed()
{
dynamic dyn = new
{
DecimalProperty = DecimalPropertyValue,
StringProperty = StringPropertyValue,
DateTimeProperty = DateTimePropertyValue
};
var properties = _digger.Get(dyn);
CheckProperties(properties);
}
