public override bool TryDeleteMember(DeleteMemberBinder binder)
{
var name = binder.Name;
if (!_values.ContainsKey(name))
return false;
_values.Remove(name);
return true;
}
/// <summary>
/// Provides the implementation for operations that delete an object member. This method is not intended for use in C#
/// or Visual Basic.
/// </summary>
/// <param name="binder">Provides information about the deletion.</param>
/// <returns>
/// true if the operation is successful; otherwise, false. If this method returns false, the run-time binder of the
/// language determines the behavior. (In most cases, a language-specific run-time exception is thrown.)
/// </returns>
public override bool TryDeleteMember(DeleteMemberBinder binder)
{
string name = binder.Name;
if (!_Dictionary.ContainsKey(name))
{
return(false);
}
_Dictionary.Remove(name);
return(true);
}
public override Meta BindDeleteMember(DeleteMemberBinder binder)
{
return new Meta(
Et.Call(
EtUtils.Cast<IObj>(this.Expression),
IObjMethods.MiDelete,
Et.Constant(binder.Name)
),
Restrict.GetTypeRestriction(
this.Expression,
this.LimitType
)
);
}
public override DynamicMetaObject BindDeleteMember(DeleteMemberBinder binder)
{
if (IsOverridden(nameof(DynamicObject.TryDeleteMember)))
{
return(CallMethodNoResult(
nameof(DynamicObject.TryDeleteMember),
binder,
s_noArgs,
(MetaDynamic @this, DeleteMemberBinder b, DynamicMetaObject e) => b.FallbackDeleteMember(@this, e)
));
}
return(base.BindDeleteMember(binder));
}
public override DynamicMetaObject BindDeleteMember(DeleteMemberBinder binder)
{
Fallback fallback = null;
if (!this.IsOverridden("TryDeleteMember"))
{
return(base.BindDeleteMember(binder));
}
if (fallback == null)
{
fallback = e => binder.FallbackDeleteMember(this, e);
}
return(this.CallMethodNoResult("TryDeleteMember", binder, NoArgs, fallback));
}
/// <summary>
/// Implementation of delete member
/// </summary>
/// <param name="binder">The binder</param>
/// <returns>True if member could be deleted</returns>
public override bool TryDeleteMember(System.Dynamic.DeleteMemberBinder binder)
{
DataNode n = GetNodeNoThrow(binder.Name);
if (n != null)
{
n.RemoveNode();
return(true);
}
else
{
return(base.TryDeleteMember(binder));
}
}
public override DynamicMetaObject BindDeleteMember(DeleteMemberBinder binder)
{
if (IsOverridden(DynamicObjectTryDeleteMember))
{
return(CallMethodNoResult(
DynamicObjectTryDeleteMember,
binder,
_noArgs,
(@this, b, e) => b.FallbackDeleteMember(@this, e)
));
}
return(base.BindDeleteMember(binder));
}
public override DynamicMetaObject BindDeleteMember(DeleteMemberBinder binder)
{
ArgumentNullException.ThrowIfNull(binder);
int index = Value.Class.GetValueIndex(binder.Name, binder.IgnoreCase, Value);
Expression tryDelete = Expression.Call(
s_expandoTryDeleteValue,
GetLimitedSelf(),
Expression.Constant(Value.Class, typeof(object)),
AstUtils.Constant(index),
Expression.Constant(binder.Name),
AstUtils.Constant(binder.IgnoreCase)
);
DynamicMetaObject fallback = binder.FallbackDeleteMember(this);
DynamicMetaObject target = new DynamicMetaObject(
Expression.IfThen(Expression.Not(tryDelete), fallback.Expression),
fallback.Restrictions
);
return(AddDynamicTestAndDefer(binder, Value.Class, null, target));
}
public override DynamicMetaObject BindDeleteMember(DeleteMemberBinder binder)
{
ContractUtils.RequiresNotNull(binder, nameof(binder));
int index = Value.Class.GetValueIndex(binder.Name, binder.IgnoreCase, Value);
Expression tryDelete = Expression.Call(
typeof(RuntimeOps).GetMethod("ExpandoTryDeleteValue"),
GetLimitedSelf(),
Expression.Constant(Value.Class, typeof(object)),
Expression.Constant(index),
Expression.Constant(binder.Name),
Expression.Constant(binder.IgnoreCase)
);
DynamicMetaObject fallback = binder.FallbackDeleteMember(this);
DynamicMetaObject target = new DynamicMetaObject(
Expression.IfThen(Expression.Not(tryDelete), fallback.Expression),
fallback.Restrictions
);
return(AddDynamicTestAndDefer(binder, Value.Class, null, target));
}
private DispatchResult DispatchDeleteMember(DeleteMemberBinder binder, Object @this)
{
var old_value = Value;
Value = @this;
try
{
try
{
try
{
DeleteMember(binder);
return Succeed();
}
catch (FallbackException)
{
var dynamic_object = Value as IDynamicObject;
if (dynamic_object != null) { dynamic_object.DeleteMember(binder); return Succeed(); }
else throw;
}
}
catch (FallbackException)
{
return Fail();
}
catch (Exception ex)
{
if (WrapExceptions)
{
var bind_args = new OrderedDictionary<String, Object>();
bind_args.Add("this", @this);
throw new BindException(binder, bind_args, ex);
}
else
{
throw;
}
}
}
finally
{
Value = old_value;
}
}
public virtual new bool TryDeleteMember(DeleteMemberBinder binder)
{
return(default(bool));
}
public virtual void DeleteMember(DeleteMemberBinder binder){ throw Fallback(); }
public override bool TryDeleteMember(DeleteMemberBinder binder)
{
DeletePropertyByName(binder.Name);
return true;
}
public override bool TryDeleteMember(DeleteMemberBinder binder)
{
return Members.Remove(binder.Name);
}
public virtual DynamicMetaObject BindDeleteMember(DeleteMemberBinder binder)
{
throw new NotImplementedException();
}
public override Boolean TryDeleteMember(DeleteMemberBinder binder)
{
throw new NotImplementedException("JsStore.TryDeleteMember");
}
/// <summary>
/// Performs the binding of the dynamic delete member operation.
/// </summary>
/// <param name="binder">An instance of the <see cref="DeleteMemberBinder"/> that represents the details of the dynamic operation.</param>
/// <returns>The new <see cref="DynamicMetaObject"/> representing the result of the binding.</returns>
public virtual DynamicMetaObject BindDeleteMember(DeleteMemberBinder binder) {
ContractUtils.RequiresNotNull(binder, "binder");
return binder.FallbackDeleteMember(this);
}
/// <summary>
/// Override on DynamicObject
/// </summary>
/// <param name="binder"></param>
/// <returns></returns>
public override bool TryDeleteMember(DeleteMemberBinder binder)
{
return true;
}
public override DynamicMetaObject BindDeleteMember(DeleteMemberBinder binder)
{
return Restrict(StorageMetaObject.BindDeleteMember(binder));
}
/// <summary>
/// Performs the binding of the dynamic delete member operation.
/// </summary>
/// <param name="binder">
/// An instance of the <see cref="T:System.Dynamic.DeleteMemberBinder" /> that represents the details of the dynamic operation.
/// </param>
/// <returns>
/// The new <see cref="T:System.Dynamic.DynamicMetaObject" /> representing the result of the binding.
/// </returns>
public override DynamicMetaObject BindDeleteMember( DeleteMemberBinder binder )
{
return ApplyBinding( meta => meta.BindDeleteMember( binder ), binder.FallbackDeleteMember );
}
public override DynamicMetaObject BindDeleteMember(DeleteMemberBinder binder)
{
return new DynamicMetaObject(
Expression.Condition(
Expression.Invoke(
Expression.Constant(_deleteMember),
Expression,
Expression.Constant(binder.Name)
),
Expression.Default(binder.ReturnType),
binder.FallbackDeleteMember(this).Expression
),
GetRestrictions()
);
}
public override bool TryDeleteMember( DeleteMemberBinder binder )
{
if(!ReferenceEquals(Prototype, null))
{
if(Prototype.TryDeleteMember(binder))
{
return true;
}
}
if ( TryDeleteMemberMissing == null )
{
return true;
}
return TryDeleteMemberMissing( binder );
}
public override DynamicMetaObject BindDeleteMember(DeleteMemberBinder binder)
{
Fallback fallback = null;
if (!this.IsOverridden("TryDeleteMember"))
{
return base.BindDeleteMember(binder);
}
if (fallback == null)
{
fallback = e => binder.FallbackDeleteMember(this, e);
}
return this.CallMethodNoResult("TryDeleteMember", binder, NoArgs, fallback);
}
public virtual bool TryDeleteMember(DeleteMemberBinder binder)
{
throw new NotImplementedException();
}
public virtual new bool TryDeleteMember(DeleteMemberBinder binder)
{
return default(bool);
}
public override DynamicMetaObject BindDeleteMember(DeleteMemberBinder binder)
{
return scriptItem.PostProcessBindResult(metaDynamic.BindDeleteMember(binder));
}
public override DynamicMetaObject BindDeleteMember(DeleteMemberBinder binder) {
if (IsOverridden("TryDeleteMember")) {
return CallMethodNoResult("TryDeleteMember", binder, NoArgs, (e) => binder.FallbackDeleteMember(this, e));
}
return base.BindDeleteMember(binder);
}
public override bool TryDeleteMember(DeleteMemberBinder binder)
{
Dictionary.Remove(binder.Name);
return true;
}
public override bool TryDeleteMember(DeleteMemberBinder binder)
{
return base.TryDeleteMember(binder);
}
/// <summary>
/// Provides the implementation for operations that delete an object member. This method is not intended for use in C# or
/// Visual Basic.
/// </summary>
/// <returns>
/// true if the operation is successful; otherwise, false. If this method returns false, the run-time binder of the language
/// determines the behavior. (In most cases, a language-specific run-time exception is thrown.)
/// </returns>
/// <param name="binder">Provides information about the deletion.</param>
public override bool TryDeleteMember(DeleteMemberBinder binder)
{
if (binder == null)
{
throw new ArgumentNullException("binder");
}
if (m_dictionary.ContainsKey(binder.Name))
{
m_dictionary.Remove(binder.Name);
return true;
}
return base.TryDeleteMember(binder);
}
/// <summary>
/// Provides the implementation for operations that delete an object member.
/// </summary>
/// <returns>true if the operation is successful; otherwise, false.</returns>
/// <param name="binder">Provides information about the deletion.</param>
public override bool TryDeleteMember(DeleteMemberBinder binder)
{
throw new NotSupportedException();
}
public override Boolean TryDeleteMember(DeleteMemberBinder binder)
{
throw new NotImplementedException(String.Format("TryDeleteMember name='{0}'", binder.Name));
}
/// <summary>
/// Performs the binding of the dynamic delete member operation.
/// </summary>
/// <param name="binder">An instance of the <see cref="DeleteMemberBinder"/> that represents the details of the dynamic operation.</param>
/// <returns>The new <see cref="DynamicMetaObject"/> representing the result of the binding.</returns>
public virtual DynamicMetaObject BindDeleteMember(DeleteMemberBinder binder)
{
ArgumentNullException.ThrowIfNull(binder);
return(binder.FallbackDeleteMember(this));
}
/// <summary> /// Provides the implementation of deleting a member. Derived classes can override /// this method to customize behavior. When not overridden the call site requesting the /// binder determines the behavior. /// </summary> /// <param name="binder">The binder provided by the call site.</param> /// <returns>true if the operation is complete, false if the call site should determine behavior.</returns> public virtual bool TryDeleteMember(DeleteMemberBinder binder) => false;
public override bool TryDeleteMember( DeleteMemberBinder binder )
{
if ( TryDeleteMemberMissing == null )
{
return true;
}
return TryDeleteMemberMissing( binder );
}
public override bool TryDeleteMember(DeleteMemberBinder binder)
{
//--- Debbuger Break --- //
if(System.Diagnostics.Debugger.IsAttached)
System.Diagnostics.Debugger.Break();
//--- Debbuger Break --- //
return base.TryDeleteMember(binder);
}
public override DynamicMetaObject BindDeleteMember(DeleteMemberBinder binder)
{
throw new NotImplementedException();
}
/// <summary>
/// Provides the implementation of deleting a member. Derived classes can override
/// this method to customize behavior. When not overridden the call site requesting the
/// binder determines the behavior.
/// </summary>
/// <param name="binder">The binder provided by the call site.</param>
/// <returns>true if the operation is complete, false if the call site should determine behavior.</returns>
public virtual bool TryDeleteMember(DeleteMemberBinder binder)
{
return(false);
}
public override bool TryDeleteMember(DeleteMemberBinder binder)
{
MessageBox.Show("Here");
return base.TryDeleteMember(binder);
}
/// <summary>
/// Provides the implementation of deleting a member. Derived classes can override
/// this method to customize behavior. When not overridden the call site requesting the
/// binder determines the behavior.
/// </summary>
/// <param name="binder">The binder provided by the call site.</param>
/// <returns>true if the operation is complete, false if the call site should determine behavior.</returns>
public virtual bool TryDeleteMember(DeleteMemberBinder binder) {
return false;
}
public override DynamicMetaObject BindDeleteMember(DeleteMemberBinder binder) {
ContractUtils.RequiresNotNull(binder, "binder");
string methodName = binder.IgnoreCase ? "ExpandoTryDeleteValueIgnoreCase" : "ExpandoTryDeleteValue";
int index = Value.Class.GetValueIndex(binder.Name, binder.IgnoreCase, Value);
Expression tryDelete = Expression.Call(
typeof(RuntimeOps).GetMethod(methodName),
GetLimitedSelf(),
Expression.Constant(Value.Class),
Expression.Constant(index)
);
DynamicMetaObject fallback = binder.FallbackDeleteMember(this);
DynamicMetaObject target = new DynamicMetaObject(
Expression.Condition(
Expression.IsFalse(tryDelete),
Helpers.Convert(fallback.Expression, typeof(object)), //if fail to delete, fall back
Helpers.Convert(Expression.Constant(true), typeof(object))
),
fallback.Restrictions
);
return AddDynamicTestAndDefer(
binder,
new DynamicMetaObject[] { this },
Value.Class,
null,
target
);
}
/// <summary>
/// Performs the binding of the dynamic delete member operation.
/// </summary>
/// <param name="binder">An instance of the <see cref="DeleteMemberBinder"/> that represents the details of the dynamic operation.</param>
/// <returns>The new <see cref="DynamicMetaObject"/> representing the result of the binding.</returns>
public virtual DynamicMetaObject BindDeleteMember(DeleteMemberBinder binder)
{
ContractUtils.RequiresNotNull(binder, "binder");
return(binder.FallbackDeleteMember(this));
}
public virtual new System.Dynamic.DynamicMetaObject BindDeleteMember(DeleteMemberBinder binder)
{
Contract.Requires(binder != null);
return default(System.Dynamic.DynamicMetaObject);
}
public sealed override DynamicMetaObject BindDeleteMember(DeleteMemberBinder binder)
{
var fallback = ((Func<Expression>)(() =>
{
try { return base.BindDeleteMember(binder).Expression; }
catch (Exception ex) { return Expression.Throw(Expression.Constant(ex)); }
}))();
var dispatchResult = Expression.Parameter(typeof(DispatchResult), "dispatchResult");
var shim = Expression.Block(dispatchResult.MkArray(),
// 1. var dispatchResult = DispatchDeleteMember(binder, `expression`);
Expression.Assign(dispatchResult, Expression.Call(
Expression.Constant(this),
typeof(SimpleMetaObject).GetMethod("DispatchDeleteMember", BF.PrivateInstance),
Expression.Constant(binder),
Expression)),
// 2. if (!dispatchResult.Success) `fallback`;
Expression.IfThen(
Expression.Not(Expression.Property(dispatchResult, "Success")),
fallback));
return new DynamicMetaObject(shim, BindingRestrictions.GetTypeRestriction(Expression, LimitType));
}
public virtual new System.Dynamic.DynamicMetaObject BindDeleteMember(DeleteMemberBinder binder)
{
Contract.Requires(binder != null);
return(default(System.Dynamic.DynamicMetaObject));
}
