private MemberBinding Convert(LinqExp.MemberBinding linqBinding)
{
switch (linqBinding.BindingType)
{
case LinqExp.MemberBindingType.Assignment:
var linqMemberAssignment = (LinqExp.MemberAssignment)linqBinding;
return(Expression.Bind(
linqMemberAssignment.Member,
ConvertExp(linqMemberAssignment.Expression)));
case LinqExp.MemberBindingType.MemberBinding:
var linqMemberBinding = (LinqExp.MemberMemberBinding)linqBinding;
return(Expression.MemberBind(
linqMemberBinding.Member,
linqMemberBinding.Bindings.Project(Convert)));
case LinqExp.MemberBindingType.ListBinding:
var linqListBinding = (LinqExp.MemberListBinding)linqBinding;
return(Expression.ListBind(
linqListBinding.Member,
linqListBinding.Initializers.Project(Convert)));
default:
throw new ArgumentOutOfRangeException();
}
}
public static EditableMemberBinding CreateEditableMemberBinding(MemberBinding member)
{
if (member is MemberAssignment) return new EditableMemberAssignment(member as MemberAssignment);
else if (member is MemberListBinding) return new EditableMemberListBinding(member as MemberListBinding);
else if (member is MemberMemberBinding) return new EditableMemberMemberBinding(member as MemberMemberBinding);
else return null;
}
public static Expression CreateExpression(IContainerContext containerContext, ResolutionConstructor resolutionConstructor, ResolutionInfo resolutionInfo,
Expression resolutionInfoExpression, ResolutionMember[] members = null)
{
var length = resolutionConstructor.Parameters.Length;
var arguments = new Expression[length];
for (var i = 0; i < length; i++)
{
var parameter = resolutionConstructor.Parameters[i];
arguments[i] = containerContext.ResolutionStrategy.GetExpressionForResolutionTarget(parameter, resolutionInfo, resolutionInfoExpression);
}
var newExpression = Expression.New(resolutionConstructor.Constructor, arguments);
if (members == null || members.Length == 0) return newExpression;
{
var propLength = members.Length;
var propertyExpressions = new MemberBinding[propLength];
for (var i = 0; i < propLength; i++)
{
var member = members[i];
var propertyExpression = Expression.Bind(member.MemberInfo,
containerContext.ResolutionStrategy.GetExpressionForResolutionTarget(member.ResolutionTarget, resolutionInfo, resolutionInfoExpression));
propertyExpressions[i] = propertyExpression;
}
return Expression.MemberInit(newExpression, propertyExpressions);
}
}
public static CreateInstance CreateConstructorExpression(IContainerContext containerContext, ResolutionConstructor resolutionConstructor,
ResolutionMember[] members = null)
{
var strategyParameter = Expression.Constant(containerContext.ResolutionStrategy, typeof(IResolutionStrategy));
var resolutionInfoParameter = Expression.Parameter(typeof(ResolutionInfo), "resolutionInfo");
var arguments = CreateExpressionFromResolutionTargets(resolutionConstructor.Parameters, strategyParameter, resolutionInfoParameter);
var newExpression = Expression.New(resolutionConstructor.Constructor, arguments);
if (members == null || members.Length == 0)
return Expression.Lambda<CreateInstance>(newExpression, resolutionInfoParameter).Compile();
var length = members.Length;
var propertyExpressions = new MemberBinding[length];
for (var i = 0; i < length; i++)
{
var member = members[i];
var propertyExpression = Expression.Bind(member.MemberInfo,
CreateResolutionTargetExpression(member.ResolutionTarget, strategyParameter,
resolutionInfoParameter));
propertyExpressions[i] = propertyExpression;
}
var initExpression = Expression.MemberInit(newExpression, propertyExpressions);
return Expression.Lambda<CreateInstance>(initExpression, resolutionInfoParameter).Compile();
}
protected override MemberBinding VisitMemberBinding(MemberBinding memberBinding)
{
if(memberBinding.BindingType == MemberBindingType.Assignment)
{
#if PORTABLE
var propertyInfo = memberBinding.Member as PropertyInfo;
var assignment = memberBinding as MemberAssignment;
if (propertyInfo != null
&& assignment != null
&& assignment.Expression.Type.IsValueType
&& !propertyInfo.PropertyType.IsValueType)
{
var valueExpression = Expression.TypeAs(VisitExpression(assignment.Expression), propertyInfo.PropertyType);
return Expression.Bind(memberBinding.Member, valueExpression);
}
#else
if (memberBinding.Member.MemberType == MemberTypes.Property)
{
var propertyInfo = memberBinding.Member as PropertyInfo;
var assignment = memberBinding as MemberAssignment;
if (assignment.Expression.Type.IsValueType && !propertyInfo.PropertyType.IsValueType)
{
var valueExpression = Expression.TypeAs(VisitExpression(assignment.Expression), propertyInfo.PropertyType);
return Expression.Bind(memberBinding.Member, valueExpression);
}
}
#endif
}
return base.VisitMemberBinding(memberBinding);
}
/// <summary>
/// Transforms a call to <code>entity.Mixin<T>()</code> to <code>new MixinType { Properties, ... }</code>
/// </summary>
/// <param name="method">The method call expression.</param>
/// <returns>The</returns>
public Expression TransformMixinMethodExpression(MethodCallExpression method)
{
var mixinType = method.Type;
var entityType = method.Object.Type;
string prefix = $"{mixinType.Name}_";
// Get the available properties of the mixin.
var entity = _model.GetEntityType(entityType);
var properties = entity
.GetProperties()
.Where(p => p.Name.StartsWith(prefix))
.ToArray();
// Create an object initializer expression.
var ctor = Expression.New(mixinType);
var memberBindings = new MemberBinding[properties.Length];
for (int i = 0; i < properties.Length; i++)
{
var property = properties[i];
string propertyName = property.Name.Replace(prefix, "");
var member = mixinType.GetProperty(propertyName);
var value = Expression.Call(
EntityQueryModelVisitor.PropertyMethodInfo.MakeGenericMethod(member.PropertyType),
method.Object,
Expression.Constant(property.Name));
memberBindings[i] = Expression.Bind(member, value);
}
return Expression.MemberInit(ctor, memberBindings);
}
private static void BindToProjectedWrapperMany(Expression[] bindingExpressions, int expressionStartIndex, MemberBinding[] bindings, int bindingStartIndex)
{
int propertyIndex = 0;
while ((propertyIndex < (precreatedProjectedWrapperTypes.Length - 1)) && ((propertyIndex + expressionStartIndex) < bindingExpressions.Length))
{
bindings[bindingStartIndex + propertyIndex] = BindToProjectedProperty(typeof(ProjectedWrapperMany), propertyIndex, bindingExpressions[expressionStartIndex + propertyIndex]);
propertyIndex++;
}
if (bindingExpressions.Length <= ((precreatedProjectedWrapperTypes.Length - 1) + expressionStartIndex))
{
while (propertyIndex < (precreatedProjectedWrapperTypes.Length - 1))
{
bindings[bindingStartIndex + propertyIndex] = BindToProjectedProperty(typeof(ProjectedWrapperMany), propertyIndex, Expression.Constant(string.Empty, typeof(string)));
propertyIndex++;
}
bindings[(bindingStartIndex + precreatedProjectedWrapperTypes.Length) - 1] = Expression.Bind(typeof(ProjectedWrapperMany).GetProperty("Next"), Expression.MemberInit(Expression.New(typeof(ProjectedWrapperManyEnd)), new MemberBinding[] { Expression.Bind(typeof(ProjectedWrapperManyEnd).GetProperty("ResourceTypeName"), Expression.Constant(string.Empty, typeof(string))) }));
}
else
{
int length = bindingExpressions.Length - ((precreatedProjectedWrapperTypes.Length - 1) + expressionStartIndex);
if (length > (precreatedProjectedWrapperTypes.Length - 1))
{
length = precreatedProjectedWrapperTypes.Length;
}
MemberBinding[] bindingArray = new MemberBinding[precreatedProjectedWrapperTypes.Length + 2];
bindingArray[0] = Expression.Bind(typeof(ProjectedWrapperMany).GetProperty("ResourceTypeName"), Expression.Constant(string.Empty, typeof(string)));
bindingArray[1] = Expression.Bind(typeof(ProjectedWrapperMany).GetProperty("PropertyNameList"), Expression.Constant(string.Empty, typeof(string)));
BindToProjectedWrapperMany(bindingExpressions, (expressionStartIndex + precreatedProjectedWrapperTypes.Length) - 1, bindingArray, 2);
Expression expression = Expression.MemberInit(Expression.New(typeof(ProjectedWrapperMany)), bindingArray);
bindings[(bindingStartIndex + precreatedProjectedWrapperTypes.Length) - 1] = Expression.Bind(typeof(ProjectedWrapperMany).GetProperty("Next"), expression);
}
}
protected override MemberBinding VisitBinding(MemberBinding binding)
{
var save = receivingMember;
receivingMember = binding.Member;
var result = base.VisitBinding(binding);
receivingMember = save;
return result;
}
protected override MemberBinding VisitBinding(MemberBinding node)
{
var elementName = BsonClassMap.LookupClassMap(_classes.Peek()).GetMemberMap(node.Member.Name).ElementName;
_assigments.Push(elementName);
MemberBinding visitMemberBinding = base.VisitBinding(node);
_assigments.Pop();
return visitMemberBinding;
}
private static MemberInitExpression CreateMemberInitExpression(ParameterExpression left, Type entityType, Type dtoType, Tuple <Type, string>[] linkEntityNames)
{
System.Linq.Expressions.NewExpression newAnimal = System.Linq.Expressions.Expression.New(dtoType);
List <MemberBinding> bindings = new List <MemberBinding>();
var members = dtoType.GetProperties();//获取Dto的各个属性
members.ToList().ForEach(p =>
{
try
{
if (linkEntityNames != null && linkEntityNames.Length > 0)
{
var container = linkEntityNames.ToList().FirstOrDefault(x => p.Name.Contains(x.Item2));
if (container != null)
{
var rightStr = p.Name.Replace(container.Item2, "");
Expression right = Expression.Property(left, entityType.GetProperty(container.Item2));
MemberExpression mem = Expression.Property(right, rightStr);
//这里传的mem是 用 a.name给它赋值
System.Linq.Expressions.MemberBinding speciesMemberBinding = System.Linq.Expressions.Expression.Bind(p, mem);
bindings.Add(speciesMemberBinding);
}
else
{
MemberExpression mem = Expression.Property(left, p.Name);
//这里传的mem是 用 a.name给它赋值
System.Linq.Expressions.MemberBinding speciesMemberBinding = System.Linq.Expressions.Expression.Bind(p, mem);
bindings.Add(speciesMemberBinding);
}
}
else
{
try
{
MemberExpression mem = Expression.Property(left, p.Name);
//这里传的mem是 用 a.name给它赋值
System.Linq.Expressions.MemberBinding speciesMemberBinding = System.Linq.Expressions.Expression.Bind(p, mem);
bindings.Add(speciesMemberBinding);
}
catch (Exception ex)
{
}
}
}
catch
{
}
});
System.Linq.Expressions.MemberInitExpression memberInitExpression = System.Linq.Expressions.Expression.MemberInit(newAnimal, bindings.ToArray());
return(memberInitExpression);
}
public MemberBinding[] Decode(ref byte* data, ref int remainingBytes, bool doNotCheckBounds)
{
int count = intCodec.Decode(ref data, ref remainingBytes, doNotCheckBounds);
if (count == -1)
return null;
var result = new MemberBinding[count];
for (int i = 0; i < count; i++)
result[i] = memberBindingCodec.Decode(ref data, ref remainingBytes, doNotCheckBounds);
return result;
}
protected virtual MemberBinding VisitBinding (MemberBinding binding)
{
switch (binding.BindingType)
{
case MemberBindingType.Assignment:
return VisitMemberAssignment ((MemberAssignment)binding);
default:
throw new ArgumentException (string.Format ("Unhandled binding type '{0}'", binding.BindingType));
}
}
public static IMemberBindingMutator GetMutator(MemberBinding memberBinding)
{
if (memberBinding is MemberAssignment)
return new MemberAssignmentMutator((MemberAssignment)memberBinding);
if (memberBinding is MemberMemberBinding)
return new MemberMemberBindingMutator((MemberMemberBinding)memberBinding);
if (memberBinding is MemberListBinding)
return new MemberListBindingMutator((MemberListBinding)memberBinding);
throw Error.BadArgument("S0040: Unknown Expression Type '{0}'", memberBinding.GetType());
}
public static void CreateMemberInitExpression()
{
System.Linq.Expressions.NewExpression newAnimal =
System.Linq.Expressions.Expression.New(typeof(Animal));
System.Reflection.MemberInfo speciesMember =
typeof(Animal).GetMember("Species")[0];
System.Reflection.MemberInfo ageMember =
typeof(Animal).GetMember("Age")[0];
// Create a MemberBinding object for each member
// that you want to initialize.
System.Linq.Expressions.MemberBinding speciesMemberBinding =
System.Linq.Expressions.Expression.Bind(
speciesMember,
System.Linq.Expressions.Expression.Constant("horse"));
System.Linq.Expressions.MemberBinding ageMemberBinding =
System.Linq.Expressions.Expression.Bind(
ageMember,
System.Linq.Expressions.Expression.Constant(12));
// Create a MemberInitExpression that represents initializing
// two members of the 'Animal' class.
System.Linq.Expressions.MemberInitExpression memberInitExpression =
System.Linq.Expressions.Expression.MemberInit(
newAnimal,
speciesMemberBinding,
ageMemberBinding);
//// Create a MemberInitExpression that represents initializing
//// two members of the 'Animal' class.
//System.Linq.Expressions.MemberInitExpression memberInitExpression =
// System.Linq.Expressions.Expression.MemberInit(
// newAnimal,
// speciesMemberBinding);
Console.WriteLine(memberInitExpression.ToString());
var expression = Expression.Lambda <Func <Dog, Animal> >(memberInitExpression);
var compile = expression.Compile();
var dog = new Dog()
{
Species = "DOG"
};
var test = compile(dog);
Console.WriteLine(test.ToJson());
// This code produces the following output:
//
// new Animal() {Species = "horse", Age = 12}
}
internal static Expression ReduceMemberBinding(ParameterExpression objVar, MemberBinding binding) {
MemberExpression member = Expression.MakeMemberAccess(objVar, binding.Member);
switch (binding.BindingType) {
case MemberBindingType.Assignment:
return Expression.Assign(member, ((MemberAssignment)binding).Expression);
case MemberBindingType.ListBinding:
return ReduceListInit(member, ((MemberListBinding)binding).Initializers, false);
case MemberBindingType.MemberBinding:
return ReduceMemberInit(member, ((MemberMemberBinding)binding).Bindings, false);
default: throw Assert.Unreachable;
}
}
internal virtual MemberBinding VisitBinding(MemberBinding binding) {
switch (binding.BindingType) {
case MemberBindingType.Assignment:
return this.VisitMemberAssignment((MemberAssignment)binding);
case MemberBindingType.MemberBinding:
return this.VisitMemberMemberBinding((MemberMemberBinding)binding);
case MemberBindingType.ListBinding:
return this.VisitMemberListBinding((MemberListBinding)binding);
default:
throw Error.UnhandledBindingType(binding.BindingType);
}
}
protected virtual MemberBinding VisitBinding(MemberBinding binding, Stack<string> stack, Stack<IElasticPropertyAttribute> properties)
{
switch (binding.BindingType)
{
case MemberBindingType.Assignment:
return this.VisitMemberAssignment((MemberAssignment)binding, stack, properties);
case MemberBindingType.MemberBinding:
return this.VisitMemberMemberBinding((MemberMemberBinding)binding, stack, properties);
case MemberBindingType.ListBinding:
return this.VisitMemberListBinding((MemberListBinding)binding, stack, properties);
default:
throw new Exception(string.Format("Unhandled binding type '{0}'", binding.BindingType));
}
}
protected virtual MemberBinding VisitBinding(MemberBinding binding)
{
switch (binding.BindingType)
{
case MemberBindingType.Assignment:
return this.VisitMemberAssignment((MemberAssignment)binding);
case MemberBindingType.MemberBinding:
return this.VisitMemberMemberBinding((MemberMemberBinding)binding);
case MemberBindingType.ListBinding:
return this.VisitMemberListBinding((MemberListBinding)binding);
default:
throw new Exception($"Unhandled binding type '{binding.BindingType}'");
}
}
internal static MemberBindingNode Create(INodeFactory factory, MemberBinding memberBinding)
{
MemberBindingNode memberBindingNode = null;
if (memberBinding is MemberAssignment)
memberBindingNode = new MemberAssignmentNode(factory, (MemberAssignment)memberBinding);
else if (memberBinding is MemberListBinding)
memberBindingNode = new MemberListBindingNode(factory, (MemberListBinding)memberBinding);
else if (memberBinding is MemberMemberBinding)
memberBindingNode = new MemberMemberBindingNode(factory, (MemberMemberBinding)memberBinding);
else if (memberBinding != null)
throw new ArgumentException("Unknown member binding of type " + memberBinding.GetType(), "memberBinding");
return memberBindingNode;
}
internal static Expression ReduceMemberBinding(ParameterExpression objVar, MemberBinding binding)
{
MemberExpression left = Expression.MakeMemberAccess(objVar, binding.Member);
switch (binding.BindingType)
{
case MemberBindingType.Assignment:
return Expression.Assign(left, ((MemberAssignment) binding).Expression);
case MemberBindingType.MemberBinding:
return ReduceMemberInit(left, ((MemberMemberBinding) binding).Bindings, false);
case MemberBindingType.ListBinding:
return ReduceListInit(left, ((MemberListBinding) binding).Initializers, false);
}
throw ContractUtils.Unreachable;
}
protected virtual bool AreEqualBinding(MemberBinding x, MemberBinding y)
{
if (x.BindingType != y.BindingType)
return false;
switch (x.BindingType)
{
case MemberBindingType.Assignment:
return this.AreEqualMemberAssignment((MemberAssignment)x, (MemberAssignment)y);
case MemberBindingType.MemberBinding:
return this.AreEqualMemberMemberBinding((MemberMemberBinding)x, (MemberMemberBinding)y);
case MemberBindingType.ListBinding:
return this.AreEqualMemberListBinding((MemberListBinding)x, (MemberListBinding)y);
default:
throw new Exception(string.Format("Unhandled binding type '{0}'", y.BindingType));
}
}
public static MemberBinding Serialize(E.MemberBinding binding)
{
switch (binding.BindingType)
{
case E.MemberBindingType.Assignment:
return(MemberAssignment.Serialize((E.MemberAssignment)binding));
case E.MemberBindingType.MemberBinding:
return(MemberMemberBinding.Serialize((E.MemberMemberBinding)binding));
case E.MemberBindingType.ListBinding:
return(MemberListBinding.Serialize((E.MemberListBinding)binding));
default:
throw new ArgumentOutOfRangeException("binding.BindingType");
}
}
internal static MemberBinding[] Bind(Expression[] bindingExpressions, Type projectedWrapperType)
{
MemberBinding[] bindingArray;
int length = bindingExpressions.Length;
if (length <= (precreatedProjectedWrapperTypes.Length + 1))
{
bindingArray = new MemberBinding[length];
BindResourceTypeAndPropertyNameList(projectedWrapperType, bindingArray, bindingExpressions);
for (int i = 0; i < (length - 2); i++)
{
bindingArray[i + 2] = BindToProjectedProperty(projectedWrapperType, i, bindingExpressions[i + 2]);
}
return bindingArray;
}
bindingArray = new MemberBinding[precreatedProjectedWrapperTypes.Length + 2];
BindResourceTypeAndPropertyNameList(projectedWrapperType, bindingArray, bindingExpressions);
BindToProjectedWrapperMany(bindingExpressions, 2, bindingArray, 2);
return bindingArray;
}
protected object Visit(object obj, MemberBinding binding)
{
switch (binding.BindingType)
{
case MemberBindingType.Assignment:
var assignment = ((MemberAssignment)binding);
var value = this.Visit(assignment.Expression);
if (value == InterpretFailed)
{
return value;
}
var fieldInfo = assignment.Member as FieldInfo;
if (fieldInfo != null)
{
fieldInfo.SetValue(obj, value);
return binding;
}
var propertyInfo = assignment.Member as PropertyInfo;
if (propertyInfo != null)
{
propertyInfo.SetValue(obj, value, null);
return binding;
}
return InterpretFailed;
}
return InterpretFailed;
}
private Expression ParseNew()
{
NextToken();
ValidateToken(TokenId.OpenParen, Res.OpenParenExpected);
NextToken();
List<DynamicProperty> properties = new List<DynamicProperty>();
List<Expression> expressions = new List<Expression>();
while (true)
{
int exprPos = token.pos;
Expression expr = ParseExpression();
string propName;
if (TokenIdentifierIs("as"))
{
NextToken();
propName = GetIdentifier();
NextToken();
}
else
{
MemberExpression me = expr as MemberExpression;
if (me == null) throw ParseError(exprPos, Res.MissingAsClause);
propName = me.Member.Name;
}
expressions.Add(expr);
properties.Add(new DynamicProperty(propName, expr.Type));
if (token.id != TokenId.Comma) break;
NextToken();
}
ValidateToken(TokenId.CloseParen, Res.CloseParenOrCommaExpected);
NextToken();
Type type = DynamicExpression.CreateClass(properties);
MemberBinding[] bindings = new MemberBinding[properties.Count];
for (int i = 0; i < bindings.Length; i++)
bindings[i] = Expression.Bind(type.GetProperty(properties[i].Name), expressions[i]);
return Expression.MemberInit(Expression.New(type), bindings);
}
/// <summary>
/// MemberBinding visit method
/// </summary>
/// <param name="binding">The MemberBinding expression to visit</param>
/// <returns>The visited MemberBinding expression </returns>
public virtual MemberBinding VisitBinding(MemberBinding binding)
{
switch (binding.BindingType)
{
case MemberBindingType.Assignment:
return this.VisitMemberAssignment((MemberAssignment)binding);
case MemberBindingType.MemberBinding:
return this.VisitMemberMemberBinding((MemberMemberBinding)binding);
case MemberBindingType.ListBinding:
return this.VisitMemberListBinding((MemberListBinding)binding);
default:
throw new NotSupportedException();
}
}
private static MemberBinding VisitMemberBinding(MemberBinding node)
{
throw new NotImplementedException();
}
/// <summary>
/// Returns the <see cref="TypeRegistration"/> entry for the actual trace listener represented by this
/// configuration object.
/// </summary>
/// <returns>A registry entry.</returns>
protected TypeRegistration GetTraceListenerTypeRegistration()
{
IEnumerable<MemberBinding> extraBindings;
Expression creationExpression = GetCreationExpression().Body;
NewExpression newExpression = creationExpression as NewExpression;
if (newExpression != null)
{
extraBindings = new MemberBinding[0];
}
else
{
MemberInitExpression memberInitExpression = creationExpression as MemberInitExpression;
if (memberInitExpression != null)
{
newExpression = memberInitExpression.NewExpression;
extraBindings = memberInitExpression.Bindings;
}
else
{
throw new NotSupportedException(Logging.Properties.Resources.ExceptionCreationLinqExpressionMustBeNew);
}
}
MemberInitExpression memberInit =
LambdaExpression.MemberInit(newExpression, GetSharedBindings().Concat(extraBindings));
TypeRegistration registration =
new TypeRegistration<TraceListener>(LambdaExpression.Lambda<Func<TraceListener>>(memberInit))
{
Name = this.WrappedTraceListenerName,
Lifetime = TypeRegistrationLifetime.Transient
};
return registration;
}
protected override MemberBinding VisitBinding(MemberBinding binding)
{
// we need to visit the original expression tree first in order to collect all
// necessary informations
base.VisitBinding(binding);
// now we replace the original member binding for our
// GetValues call to the ResponseCatalogue
if (binding is MemberAssignment) {
var assignment = (MemberAssignment) binding;
var type = assignment.Expression.Type;
var identifier = _processor.Items.Last().Identifier;
var expression = CreateSurrogateExpression(type, identifier);
var surrogate = assignment.Update(expression);
return surrogate;
}
throw new NotSupportedException();
}
public ScriptBuilderException(CSharpToJSExceptionType type, Expression root, MemberBinding binding, Exception innerException)
: base(root, binding, innerException)
{
Type = type;
}
public virtual MemberBinding VisitBinding(MemberBinding binding)
{
switch (binding.BindingType)
{
case MemberBindingType.Assignment:
return this.VisitMemberAssignment((MemberAssignment)binding);
case MemberBindingType.MemberBinding:
return this.VisitMemberMemberBinding((MemberMemberBinding)binding);
case MemberBindingType.ListBinding:
return this.VisitMemberListBinding((MemberListBinding)binding);
default:
throw new Exception(string.Format("Unhandled binding type '{0}'", binding.BindingType));
}
}
protected virtual bool CompareBinding(MemberBinding a, MemberBinding b)
{
if (a == b)
return true;
if (a == null || b == null)
return false;
if (a.BindingType != b.BindingType)
return false;
if (a.Member != b.Member)
return false;
switch (a.BindingType)
{
case MemberBindingType.Assignment:
return this.CompareMemberAssignment((MemberAssignment)a, (MemberAssignment)b);
case MemberBindingType.ListBinding:
return this.CompareMemberListBinding((MemberListBinding)a, (MemberListBinding)b);
case MemberBindingType.MemberBinding:
return this.CompareMemberMemberBinding((MemberMemberBinding)a, (MemberMemberBinding)b);
default:
throw new Exception(string.Format("Unhandled binding type: '{0}'", a.BindingType));
}
}
/// <summary>
/// Visit a bindingExp expression.
/// </summary>
/// <param name="bindingExp"></param>
/// <returns></returns>
protected virtual MemberBinding VisitBinding(MemberBinding bindingExp)
{
switch (bindingExp.BindingType)
{
case MemberBindingType.Assignment:
return VisitMemberAssignment((MemberAssignment)bindingExp);
case MemberBindingType.MemberBinding:
return VisitMemberMemberBinding((MemberMemberBinding)bindingExp);
case MemberBindingType.ListBinding:
return VisitMemberListBinding((MemberListBinding)bindingExp);
default:
throw new NotSupportedException(string.Format("Unhandled binding type '{0}'", bindingExp.BindingType));
}
}
/// <summary>
/// Visits a MemberBinding.
/// </summary>
/// <param name="node">The MemberBinding.</param>
/// <returns>The MemberBinding (possibly modified).</returns>
protected override MemberBinding VisitMemberBinding(MemberBinding node)
{
throw new NotImplementedException();
}
public MemberBindingExpressionTree Visit(MemberBinding node) => base.VisitMemberBinding(node);