Class ExpressionVisitor

Summary description for ExpressionVisitor.

Inheritance
System.Object
ExpressionVisitor
ConstantReplacerVisitor
IvExpressionParser<TElement, TQuery, TFilter>
Inherited Members
System.Object.ToString()
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
Namespace: ImageVault.Client.Query.Parser
Assembly: ImageVault.Client.dll
Syntax
public abstract class ExpressionVisitor

Constructors

ExpressionVisitor()

Declaration
protected ExpressionVisitor()

Properties

Path

Gets the Path of the ExpressionVisitor

Declaration
protected Stack<ExpressionType> Path { get; }
Property Value
Type Description
System.Collections.Generic.Stack<System.Linq.Expressions.ExpressionType>

Used to keep track of the current path of the tree

Methods

Visit(Expression)

Declaration
public virtual Expression Visit(Expression exp)
Parameters
Type Name Description
System.Linq.Expressions.Expression exp
Returns
Type Description
System.Linq.Expressions.Expression
Exceptions
Type Condition
System.ArgumentException

If unhandled expression type .

VisitBinary(BinaryExpression)

Declaration
protected virtual Expression VisitBinary(BinaryExpression b)
Parameters
Type Name Description
System.Linq.Expressions.BinaryExpression b
Returns
Type Description
System.Linq.Expressions.Expression

VisitBinding(MemberBinding)

Declaration
protected virtual MemberBinding VisitBinding(MemberBinding binding)
Parameters
Type Name Description
System.Linq.Expressions.MemberBinding binding
Returns
Type Description
System.Linq.Expressions.MemberBinding
Exceptions
Type Condition
System.ArgumentException

If unhandled binding type .

VisitBindingList(ReadOnlyCollection<MemberBinding>)

Declaration
protected virtual IEnumerable<MemberBinding> VisitBindingList(ReadOnlyCollection<MemberBinding> original)
Parameters
Type Name Description
System.Collections.ObjectModel.ReadOnlyCollection<System.Linq.Expressions.MemberBinding> original
Returns
Type Description
System.Collections.Generic.IEnumerable<System.Linq.Expressions.MemberBinding>

VisitConditional(ConditionalExpression)

Declaration
protected virtual Expression VisitConditional(ConditionalExpression c)
Parameters
Type Name Description
System.Linq.Expressions.ConditionalExpression c
Returns
Type Description
System.Linq.Expressions.Expression

VisitConstant(ConstantExpression)

Declaration
protected virtual Expression VisitConstant(ConstantExpression c)
Parameters
Type Name Description
System.Linq.Expressions.ConstantExpression c
Returns
Type Description
System.Linq.Expressions.Expression

VisitElementInitializer(ElementInit)

Declaration
protected virtual ElementInit VisitElementInitializer(ElementInit initializer)
Parameters
Type Name Description
System.Linq.Expressions.ElementInit initializer
Returns
Type Description
System.Linq.Expressions.ElementInit

VisitElementInitializerList(ReadOnlyCollection<ElementInit>)

Declaration
protected virtual IEnumerable<ElementInit> VisitElementInitializerList(ReadOnlyCollection<ElementInit> original)
Parameters
Type Name Description
System.Collections.ObjectModel.ReadOnlyCollection<System.Linq.Expressions.ElementInit> original
Returns
Type Description
System.Collections.Generic.IEnumerable<System.Linq.Expressions.ElementInit>

VisitExpressionList(ReadOnlyCollection<Expression>)

Declaration
protected virtual ReadOnlyCollection<Expression> VisitExpressionList(ReadOnlyCollection<Expression> original)
Parameters
Type Name Description
System.Collections.ObjectModel.ReadOnlyCollection<System.Linq.Expressions.Expression> original
Returns
Type Description
System.Collections.ObjectModel.ReadOnlyCollection<System.Linq.Expressions.Expression>

VisitExpressionListWithCallback(ReadOnlyCollection<Expression>, Action<Int32, Int32>, Func<Int32, Int32, Boolean>)

Visits the supplied expressionlist

Declaration
protected virtual ReadOnlyCollection<Expression> VisitExpressionListWithCallback(ReadOnlyCollection<Expression> original, Action<int, int> callback, Func<int, int, bool> visitArgumentCheck)
Parameters
Type Name Description
System.Collections.ObjectModel.ReadOnlyCollection<System.Linq.Expressions.Expression> original

The original System.Collections.ObjectModel.ReadOnlyCollection<T> to visit
System.Action<System.Int32, System.Int32> callback

The callback to use when each item has been visited
System.Func<System.Int32, System.Int32, System.Boolean> visitArgumentCheck

A callback to use if we would like to determine if the item should be visited or not
Returns
Type Description
System.Collections.ObjectModel.ReadOnlyCollection<System.Linq.Expressions.Expression>

VisitInvocation(InvocationExpression)

Declaration
protected virtual Expression VisitInvocation(InvocationExpression iv)
Parameters
Type Name Description
System.Linq.Expressions.InvocationExpression iv
Returns
Type Description
System.Linq.Expressions.Expression

VisitLambda(LambdaExpression)

Declaration
protected virtual Expression VisitLambda(LambdaExpression lambda)
Parameters
Type Name Description
System.Linq.Expressions.LambdaExpression lambda
Returns
Type Description
System.Linq.Expressions.Expression

VisitListInit(ListInitExpression)

Declaration
protected virtual Expression VisitListInit(ListInitExpression init)
Parameters
Type Name Description
System.Linq.Expressions.ListInitExpression init
Returns
Type Description
System.Linq.Expressions.Expression

VisitMemberAccess(MemberExpression)

Declaration
protected virtual Expression VisitMemberAccess(MemberExpression m)
Parameters
Type Name Description
System.Linq.Expressions.MemberExpression m
Returns
Type Description
System.Linq.Expressions.Expression

VisitMemberAssignment(MemberAssignment)

Declaration
protected virtual MemberAssignment VisitMemberAssignment(MemberAssignment assignment)
Parameters
Type Name Description
System.Linq.Expressions.MemberAssignment assignment
Returns
Type Description
System.Linq.Expressions.MemberAssignment

VisitMemberInit(MemberInitExpression)

Declaration
protected virtual Expression VisitMemberInit(MemberInitExpression init)
Parameters
Type Name Description
System.Linq.Expressions.MemberInitExpression init
Returns
Type Description
System.Linq.Expressions.Expression

VisitMemberListBinding(MemberListBinding)

Declaration
protected virtual MemberListBinding VisitMemberListBinding(MemberListBinding binding)
Parameters
Type Name Description
System.Linq.Expressions.MemberListBinding binding
Returns
Type Description
System.Linq.Expressions.MemberListBinding

VisitMemberMemberBinding(MemberMemberBinding)

Declaration
protected virtual MemberMemberBinding VisitMemberMemberBinding(MemberMemberBinding binding)
Parameters
Type Name Description
System.Linq.Expressions.MemberMemberBinding binding
Returns
Type Description
System.Linq.Expressions.MemberMemberBinding

VisitMethodCall(MethodCallExpression)

Declaration
protected virtual Expression VisitMethodCall(MethodCallExpression m)
Parameters
Type Name Description
System.Linq.Expressions.MethodCallExpression m
Returns
Type Description
System.Linq.Expressions.Expression

VisitNew(NewExpression)

Declaration
protected virtual NewExpression VisitNew(NewExpression nex)
Parameters
Type Name Description
System.Linq.Expressions.NewExpression nex
Returns
Type Description
System.Linq.Expressions.NewExpression

VisitNewArray(NewArrayExpression)

Declaration
protected virtual Expression VisitNewArray(NewArrayExpression na)
Parameters
Type Name Description
System.Linq.Expressions.NewArrayExpression na
Returns
Type Description
System.Linq.Expressions.Expression

VisitParameter(ParameterExpression)

Declaration
protected virtual Expression VisitParameter(ParameterExpression p)
Parameters
Type Name Description
System.Linq.Expressions.ParameterExpression p
Returns
Type Description
System.Linq.Expressions.Expression

VisitTypeIs(TypeBinaryExpression)

Declaration
protected virtual Expression VisitTypeIs(TypeBinaryExpression b)
Parameters
Type Name Description
System.Linq.Expressions.TypeBinaryExpression b
Returns
Type Description
System.Linq.Expressions.Expression

VisitUnary(UnaryExpression)

Declaration
protected virtual Expression VisitUnary(UnaryExpression u)
Parameters
Type Name Description
System.Linq.Expressions.UnaryExpression u
Returns
Type Description
System.Linq.Expressions.Expression

Extension Methods