Class ExpressionVisitorWithReflection

Expression visitor with visit methods for reflection objects.

Inheritance

System.Object

ScopedExpressionVisitorBase

ScopedExpressionVisitor<System.Linq.Expressions.ParameterExpression>

ExpressionVisitorWithReflection

TypeSubstitutionExpressionVisitor

Inherited Members

ScopedExpressionVisitor<ParameterExpression>.TryLookup(ParameterExpression, ParameterExpression)

ScopedExpressionVisitor<ParameterExpression>.Push(IEnumerable<ParameterExpression>)

ScopedExpressionVisitor<ParameterExpression>.Push(IEnumerable<KeyValuePair<ParameterExpression, ParameterExpression>>)

ScopedExpressionVisitor<ParameterExpression>.Pop()

ScopedExpressionVisitor<ParameterExpression>.GlobalScope

ScopedExpressionVisitorBase.VisitBlock(BlockExpression)

ScopedExpressionVisitorBase.VisitCatchBlock(CatchBlock)

ScopedExpressionVisitorBase.VisitLambda<T>(Expression<T>)

Namespace: System.Linq.CompilerServices

Assembly: Nuqleon.Linq.CompilerServices.dll

Syntax

public class ExpressionVisitorWithReflection : ScopedExpressionVisitor<ParameterExpression>

Constructors

ExpressionVisitorWithReflection()

Creates a new expression visitor instance.

Declaration

public ExpressionVisitorWithReflection()

Methods

GetState(ParameterExpression)

Maps a parameter declaration onto a new parameter expression if the visited type is different from the original type.

Declaration

protected override sealed ParameterExpression GetState(ParameterExpression parameter)

Parameters

Type	Name	Description
System.Linq.Expressions.ParameterExpression	parameter	Parameter declaration to visit.

Returns

Type	Description
System.Linq.Expressions.ParameterExpression	The modified expression, if it or any subexpression was modified; otherwise, returns the original expression.

Overrides

System.Linq.CompilerServices.ScopedExpressionVisitor<System.Linq.Expressions.ParameterExpression>.GetState(System.Linq.Expressions.ParameterExpression)

MakeBinary(ExpressionType, Expression, Expression, Boolean, MethodInfo, LambdaExpression)

Creates a binary expression.

Declaration

protected virtual Expression MakeBinary(ExpressionType binaryType, Expression left, Expression right, bool liftToNull, MethodInfo method, LambdaExpression conversion)

Parameters

Type	Name	Description
System.Linq.Expressions.ExpressionType	binaryType	Binary expression node type.
System.Linq.Expressions.Expression	left	Left operand.
System.Linq.Expressions.Expression	right	Right operand.
System.Boolean	liftToNull	Indicates whether the operator is lifted.
System.Reflection.MethodInfo	method	Method implementing the operation.
System.Linq.Expressions.LambdaExpression	conversion	Type conversion function for coalescing and compound assignment operations.

Returns

Type	Description
System.Linq.Expressions.Expression	New binary expression node.

MakeBlock(Type, IEnumerable<ParameterExpression>, IEnumerable<Expression>)

Creates a block expression.

Declaration

protected virtual Expression MakeBlock(Type type, IEnumerable<ParameterExpression> variables, IEnumerable<Expression> expressions)

Parameters

Type	Name	Description
System.Type	type	Result type of the block expression.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.ParameterExpression>	variables	Variables in scope in the block expression.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.Expression>	expressions	Expressions in the body of the block expression.

Returns

Type	Description
System.Linq.Expressions.Expression	New block expression node.

MakeCatchBlock(Type, ParameterExpression, Expression, Expression)

Creates a catch block.

Declaration

protected virtual CatchBlock MakeCatchBlock(Type test, ParameterExpression variable, Expression body, Expression filter)

Parameters

Type	Name	Description
System.Type	test	Type of the exception to catch.
System.Linq.Expressions.ParameterExpression	variable	Variable for the exception being handled by the catch block.
System.Linq.Expressions.Expression	body	Body of the catch block.
System.Linq.Expressions.Expression	filter	Filter condition for exceptions handled by the catch block.

Returns

Type	Description
System.Linq.Expressions.CatchBlock	New catch block node.

MakeConditional(Expression, Expression, Expression, Type)

Creates a conditional expression.

Declaration

protected virtual Expression MakeConditional(Expression test, Expression ifTrue, Expression ifFalse, Type type)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	test	Expression to test the condition.
System.Linq.Expressions.Expression	ifTrue	Result expression when the condition evaluates to true.
System.Linq.Expressions.Expression	ifFalse	Result expression when the condition evaluates to false.
System.Type	type	Result type of the conditional expression.

Returns

Type	Description
System.Linq.Expressions.Expression	New conditional expression node.

MakeConstant(Object, Type)

Creates a constant expression.

Declaration

protected virtual Expression MakeConstant(object value, Type type)

Parameters

Type	Name	Description
System.Object	value	Value of the constant expression.
System.Type	type	Type of the constant expression.

Returns

Type	Description
System.Linq.Expressions.Expression	New constant expression node.

MakeDefault(Type)

Creates a default expression.

Declaration

protected virtual Expression MakeDefault(Type type)

Parameters

Type	Name	Description
System.Type	type	Type of the default expression.

Returns

Type	Description
System.Linq.Expressions.Expression	New default expression node.

MakeDynamic(CallSiteBinder, Type, IEnumerable<Expression>)

Creates a dynamic expression.

Declaration

protected virtual Expression MakeDynamic(CallSiteBinder binder, Type returnType, IEnumerable<Expression> arguments)

Parameters

Type	Name	Description
System.Runtime.CompilerServices.CallSiteBinder	binder	Binder to evaluate the dynamic expression.
System.Type	returnType	Return type of the dynamic expression.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.Expression>	arguments	Arguments to pass to the dynamic expression.

Returns

Type	Description
System.Linq.Expressions.Expression	New dynamic expression node.

MakeElementInit(MethodInfo, IEnumerable<Expression>)

Creates an element initializer node.

Declaration

protected virtual ElementInit MakeElementInit(MethodInfo addMethod, IEnumerable<Expression> arguments)

Parameters

Type	Name	Description
System.Reflection.MethodInfo	addMethod	Method to add the element to the collection.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.Expression>	arguments	Arguments to pass to the add method.

Returns

Type	Description
System.Linq.Expressions.ElementInit	New element initializer node.

MakeGoto(GotoExpressionKind, LabelTarget, Expression, Type)

Creates a goto expression.

Declaration

protected virtual Expression MakeGoto(GotoExpressionKind kind, LabelTarget target, Expression value, Type type)

Parameters

Type	Name	Description
System.Linq.Expressions.GotoExpressionKind	kind	Kind of the goto expression.
System.Linq.Expressions.LabelTarget	target	Label to jump to.
System.Linq.Expressions.Expression	value	Value to transfer to the jump label.
System.Type	type	Type of the value transferred to the jump label.

Returns

Type	Description
System.Linq.Expressions.Expression	New goto expression node.

MakeIndex(Expression, PropertyInfo, IEnumerable<Expression>)

Creates an index expression.

Declaration

protected virtual Expression MakeIndex(Expression instance, PropertyInfo indexer, IEnumerable<Expression> arguments)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	instance	Expression of the instance to index into.
System.Reflection.PropertyInfo	indexer	Indexer to invoke.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.Expression>	arguments	Arguments to pass to the indexer.

Returns

Type	Description
System.Linq.Expressions.Expression	New index expression node.

MakeInvocation(Expression, IEnumerable<Expression>)

Creates an invocation expression.

Declaration

protected virtual Expression MakeInvocation(Expression expression, IEnumerable<Expression> arguments)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	expression	Expression of the function to invoke.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.Expression>	arguments	Arguments to pass to the invocation.

Returns

Type	Description
System.Linq.Expressions.Expression	New invocation expression node.

MakeLabel(LabelTarget, Expression)

Creates a label expression.

Declaration

protected virtual Expression MakeLabel(LabelTarget target, Expression defaultValue)

Parameters

Type	Name	Description
System.Linq.Expressions.LabelTarget	target	Target label associated with the label expression.
System.Linq.Expressions.Expression	defaultValue	Default value of the label to use in case a goto expression doesn't carry a value.

Returns

Type	Description
System.Linq.Expressions.Expression	New label expression node.

MakeLabelTarget(Type, String)

Creates a label target.

Declaration

protected virtual LabelTarget MakeLabelTarget(Type type, string name)

Parameters

Type	Name	Description
System.Type	type	Type of values received by jumps to the label.
System.String	name	Name of the label.

Returns

Type	Description
System.Linq.Expressions.LabelTarget	New label target.

MakeLambda(Type, Expression, String, Boolean, IEnumerable<ParameterExpression>)

Creates a lambda expression.

Declaration

protected virtual Expression MakeLambda(Type delegateType, Expression body, string name, bool tailCall, IEnumerable<ParameterExpression> parameters)

Parameters

Type	Name	Description
System.Type	delegateType	Delegate type to use for lambda expression creation.
System.Linq.Expressions.Expression	body	Body of the lambda expression.
System.String	name	Name of the lambda expression.
System.Boolean	tailCall	Indicates whether the lambda expression should be optimized for tail calls.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.ParameterExpression>	parameters	Parameters of the lambda expression.

Returns

Type	Description
System.Linq.Expressions.Expression	New lambda expression node.

MakeListInit(NewExpression, IEnumerable<ElementInit>)

Creates a list initializer expression.

Declaration

protected virtual Expression MakeListInit(NewExpression newExpression, IEnumerable<ElementInit> initializers)

Parameters

Type	Name	Description
System.Linq.Expressions.NewExpression	newExpression	List instance creation expression.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.ElementInit>	initializers	Element initializers.

Returns

Type	Description
System.Linq.Expressions.Expression	New list initializer expression node.

MakeLoop(Expression, LabelTarget, LabelTarget)

Creates a loop expression.

Declaration

protected virtual Expression MakeLoop(Expression body, LabelTarget break, LabelTarget continue)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	body	Body of the loop.
System.Linq.Expressions.LabelTarget	break	Label to jump to upon breaking from the loop.
System.Linq.Expressions.LabelTarget	continue	Label to jump to upon continuing to the next loop iteration.

Returns

Type	Description
System.Linq.Expressions.Expression	New loop expression node.

MakeMember(Expression, MemberInfo)

Creates a member expression.

Declaration

protected virtual Expression MakeMember(Expression expression, MemberInfo member)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	expression	Expression to obtain the member value from.
System.Reflection.MemberInfo	member	Member to invoke.

Returns

Type	Description
System.Linq.Expressions.Expression	New member expression node.

MakeMemberAssignment(MemberInfo, Expression)

Creates a member assignment node.

Declaration

protected virtual MemberAssignment MakeMemberAssignment(MemberInfo member, Expression expression)

Parameters

Type	Name	Description
System.Reflection.MemberInfo	member	Member to assign to.
System.Linq.Expressions.Expression	expression	Expression to assign to the member.

Returns

Type	Description
System.Linq.Expressions.MemberAssignment	New member assignment node.

MakeMemberInit(NewExpression, IEnumerable<MemberBinding>)

Creates a member initialization expression.

Declaration

protected virtual Expression MakeMemberInit(NewExpression newExpression, IEnumerable<MemberBinding> bindings)

Parameters

Type	Name	Description
System.Linq.Expressions.NewExpression	newExpression	Object instance creation expression.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.MemberBinding>	bindings	Member bindings.

Returns

Type	Description
System.Linq.Expressions.Expression	New member initialization expression node.

MakeMemberListBinding(MemberInfo, IEnumerable<ElementInit>)

Creates a member list binding node.

Declaration

protected virtual MemberListBinding MakeMemberListBinding(MemberInfo member, IEnumerable<ElementInit> initializers)

Parameters

Type	Name	Description
System.Reflection.MemberInfo	member	Member to apply list bindings to.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.ElementInit>	initializers	Element initializers.

Returns

Type	Description
System.Linq.Expressions.MemberListBinding	New member list binding node.

MakeMemberMemberBinding(MemberInfo, IEnumerable<MemberBinding>)

Creates a member binding node.

Declaration

protected virtual MemberMemberBinding MakeMemberMemberBinding(MemberInfo member, IEnumerable<MemberBinding> bindings)

Parameters

Type	Name	Description
System.Reflection.MemberInfo	member	Member to apply member bindings to.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.MemberBinding>	bindings	Member bindings.

Returns

Type	Description
System.Linq.Expressions.MemberMemberBinding	New member binding node.

MakeMethodCall(Expression, MethodInfo, IEnumerable<Expression>)

Creates a method call expression.

Declaration

protected virtual Expression MakeMethodCall(Expression instance, MethodInfo method, IEnumerable<Expression> arguments)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	instance	Instance to call the method on.
System.Reflection.MethodInfo	method	Method to call.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.Expression>	arguments	Arguments to pass to the method call.

Returns

Type	Description
System.Linq.Expressions.Expression	New method call expression node.

MakeNew(ConstructorInfo, IEnumerable<Expression>, IEnumerable<MemberInfo>)

Creates a new expression.

Declaration

protected virtual Expression MakeNew(ConstructorInfo constructor, IEnumerable<Expression> arguments, IEnumerable<MemberInfo> members)

Parameters

Type	Name	Description
System.Reflection.ConstructorInfo	constructor	Constructor to call.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.Expression>	arguments	Arguments to pass to the constructor.
System.Collections.Generic.IEnumerable<System.Reflection.MemberInfo>	members	Members initialized by the arguments passed to the constructor.

Returns

Type	Description
System.Linq.Expressions.Expression	New new expression node.

MakeNew(Type)

Creates a new expression.

Declaration

protected virtual Expression MakeNew(Type type)

Parameters

Type	Name	Description
System.Type	type	The new type to use.

Returns

Type	Description
System.Linq.Expressions.Expression	New new expression node.

MakeNewArray(ExpressionType, Type, IEnumerable<Expression>)

Creates a new array expression.

Declaration

protected virtual Expression MakeNewArray(ExpressionType newArrayType, Type type, IEnumerable<Expression> expressions)

Parameters

Type	Name	Description
System.Linq.Expressions.ExpressionType	newArrayType	Array creation expression node type.
System.Type	type	Element type of the array.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.Expression>	expressions	Expression used for array bounds or element initializers.

Returns

Type	Description
System.Linq.Expressions.Expression	New new array expression node.

MakeRuntimeVariables(IEnumerable<ParameterExpression>)

Creates a runtime variables expression.

Declaration

protected virtual Expression MakeRuntimeVariables(IEnumerable<ParameterExpression> variables)

Parameters

Type	Name	Description
System.Collections.Generic.IEnumerable<System.Linq.Expressions.ParameterExpression>	variables	Variables to populate the runtime variables collection.

Returns

Type	Description
System.Linq.Expressions.Expression	New runtime variables expression node.

MakeSwitch(Type, Expression, Expression, MethodInfo, IEnumerable<SwitchCase>)

Creates a switch expression.

Declaration

protected virtual Expression MakeSwitch(Type type, Expression switchValue, Expression defaultBody, MethodInfo comparison, IEnumerable<SwitchCase> cases)

Parameters

Type	Name	Description
System.Type	type	Result type of the switch expression.
System.Linq.Expressions.Expression	switchValue	Value to switch on.
System.Linq.Expressions.Expression	defaultBody	Body of the default label.
System.Reflection.MethodInfo	comparison	Method to use for comparison operations.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.SwitchCase>	cases	Switch cases.

Returns

Type	Description
System.Linq.Expressions.Expression	New switch expression node.

MakeSwitchCase(Expression, IEnumerable<Expression>)

Creates a switch case node.

Declaration

protected virtual SwitchCase MakeSwitchCase(Expression body, IEnumerable<Expression> testValues)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	body	Body of the switch case.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.Expression>	testValues	Test values of the switch case.

Returns

Type	Description
System.Linq.Expressions.SwitchCase	New switch case node.

MakeTry(Type, Expression, Expression, Expression, IEnumerable<CatchBlock>)

Creates a try expression.

Declaration

protected virtual Expression MakeTry(Type type, Expression body, Expression finally, Expression fault, IEnumerable<CatchBlock> handlers)

Parameters

Type	Name	Description
System.Type	type	Result type of the try expression.
System.Linq.Expressions.Expression	body	Body of the try expression.
System.Linq.Expressions.Expression	finally	Finally block.
System.Linq.Expressions.Expression	fault	Fault handler.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.CatchBlock>	handlers	Catch blocks.

Returns

Type	Description
System.Linq.Expressions.Expression	New try expression node.

MakeTypeBinary(ExpressionType, Expression, Type)

Creates a type binary expression.

Declaration

protected virtual Expression MakeTypeBinary(ExpressionType typeBinaryType, Expression expression, Type typeOperand)

Parameters

Type	Name	Description
System.Linq.Expressions.ExpressionType	typeBinaryType	Type binary expression node type.
System.Linq.Expressions.Expression	expression	Expression to apply the type binary operation to.
System.Type	typeOperand	Type operand of the type binary operation.

Returns

Type	Description
System.Linq.Expressions.Expression	New type binary expression node.

MakeUnary(ExpressionType, Expression, Type, MethodInfo)

Creates a unary expression.

Declaration

protected virtual Expression MakeUnary(ExpressionType unaryType, Expression operand, Type type, MethodInfo method)

Parameters

Type	Name	Description
System.Linq.Expressions.ExpressionType	unaryType	Unary expression node type.
System.Linq.Expressions.Expression	operand	Operand of the unary expression.
System.Type	type	Type used for conversion operations.
System.Reflection.MethodInfo	method	Method implementing the operation.

Returns

Type	Description
System.Linq.Expressions.Expression	New unary expression node.

VisitBinary(BinaryExpression)

Visits the children of a binary expression.

Declaration

protected override Expression VisitBinary(BinaryExpression node)

Parameters

Type	Name	Description
System.Linq.Expressions.BinaryExpression	node	The expression to visit.

Returns

Type	Description
System.Linq.Expressions.Expression	The modified expression, if it or any subexpression was modified; otherwise, returns the original expression.

VisitBinder(CallSiteBinder)

Visits a call site binder.

Declaration

protected virtual CallSiteBinder VisitBinder(CallSiteBinder binder)

Parameters

Type	Name	Description
System.Runtime.CompilerServices.CallSiteBinder	binder	Call site binder to visit.

Returns

Type	Description
System.Runtime.CompilerServices.CallSiteBinder	Result of the visit.

VisitBlockCore(BlockExpression)

Visits the children of a block expression.

Declaration

protected override Expression VisitBlockCore(BlockExpression node)

Parameters

Type	Name	Description
System.Linq.Expressions.BlockExpression	node	The expression to visit.

Returns

Type	Description
System.Linq.Expressions.Expression	The modified expression, if it or any subexpression was modified; otherwise, returns the original expression.

Overrides

ScopedExpressionVisitorBase.VisitBlockCore(BlockExpression)

VisitCatchBlockCore(CatchBlock)

Visits the children of a catch block node.

Declaration

protected override CatchBlock VisitCatchBlockCore(CatchBlock node)

Parameters

Type	Name	Description
System.Linq.Expressions.CatchBlock	node	The catch block to visit.

Returns

Type	Description
System.Linq.Expressions.CatchBlock	The modified catch block, if it or any subexpression was modified; otherwise, returns the original catch block.

Overrides

ScopedExpressionVisitorBase.VisitCatchBlockCore(CatchBlock)

VisitConditional(ConditionalExpression)

Visits the children of a conditional expression.

Declaration

protected override Expression VisitConditional(ConditionalExpression node)

Parameters

Type	Name	Description
System.Linq.Expressions.ConditionalExpression	node	The expression to visit.

Returns

Type	Description
System.Linq.Expressions.Expression	The modified expression, if it or any subexpression was modified; otherwise, returns the original expression.

VisitConstant(ConstantExpression)

Visits the constant expression.

Declaration

protected override Expression VisitConstant(ConstantExpression node)

Parameters

Type	Name	Description
System.Linq.Expressions.ConstantExpression	node	The expression to visit.

Returns

Type	Description
System.Linq.Expressions.Expression	The modified expression, if it or any subexpression was modified; otherwise, returns the original expression.

VisitConstructor(ConstructorInfo)

Visits a constructor. When overridden, other reflection object visit methods should be overridden appropriately to ensure consistent typing.

Declaration

protected virtual ConstructorInfo VisitConstructor(ConstructorInfo constructor)

Parameters

Type	Name	Description
System.Reflection.ConstructorInfo	constructor	Constructor to visit.

Returns

Type	Description
System.Reflection.ConstructorInfo	Result of the visit.

VisitDefault(DefaultExpression)

Visits the default expression.

Declaration

protected override Expression VisitDefault(DefaultExpression node)

Parameters

Type	Name	Description
System.Linq.Expressions.DefaultExpression	node	The expression to visit.

Returns

Type	Description
System.Linq.Expressions.Expression	The modified expression, if it or any subexpression was modified; otherwise, returns the original expression.

VisitDynamic(DynamicExpression)

Visits the children of a dynamic expression.

Declaration

protected override Expression VisitDynamic(DynamicExpression node)

Parameters

Type	Name	Description
System.Linq.Expressions.DynamicExpression	node	The expression to visit.

Returns

Type	Description
System.Linq.Expressions.Expression	The modified expression, if it or any subexpression was modified; otherwise, returns the original expression.

VisitElementInit(ElementInit)

Visits the children of an element initializer node.

Declaration

protected override ElementInit VisitElementInit(ElementInit node)

Parameters

Type	Name	Description
System.Linq.Expressions.ElementInit	node	The element initializer to visit.

Returns

Type	Description
System.Linq.Expressions.ElementInit	The modified element initializer, if it or any subexpression was modified; otherwise, returns the original element initializer.

VisitGoto(GotoExpression)

Visits the children of a goto expression.

Declaration

protected override Expression VisitGoto(GotoExpression node)

Parameters

Type	Name	Description
System.Linq.Expressions.GotoExpression	node	The expression to visit.

Returns

Type	Description
System.Linq.Expressions.Expression	The modified expression, if it or any subexpression was modified; otherwise, returns the original expression.

VisitIfNotNull<T>(T, Func<T, T>)

Visits the specified node using the specified visitor function if it's not null.

Declaration

protected static T VisitIfNotNull<T>(T node, Func<T, T> nodeVisitor)

Parameters

Type	Name	Description
T	node	Node to visit.
System.Func<T, T>	nodeVisitor	Visitor function to apply to the node.

Returns

Type	Description
T	Result of applying the visitor function to the node.

Type Parameters

Name	Description
T	Type of the node to visit.

VisitIndex(IndexExpression)

Visits the children of an index expression.

Declaration

protected override Expression VisitIndex(IndexExpression node)

Parameters

Type	Name	Description
System.Linq.Expressions.IndexExpression	node	The expression to visit.

Returns

Type	Description
System.Linq.Expressions.Expression	The modified expression, if it or any subexpression was modified; otherwise, returns the original expression.

VisitInvocation(InvocationExpression)

Visits the children of an invocation expression.

Declaration

protected override Expression VisitInvocation(InvocationExpression node)

Parameters

Type	Name	Description
System.Linq.Expressions.InvocationExpression	node	The expression to visit.

Returns

Type	Description
System.Linq.Expressions.Expression	The modified expression, if it or any subexpression was modified; otherwise, returns the original expression.

VisitLabel(LabelExpression)

Visits the children of a label expression.

Declaration

protected override Expression VisitLabel(LabelExpression node)

Parameters

Type	Name	Description
System.Linq.Expressions.LabelExpression	node	The expression to visit.

Returns

Type	Description
System.Linq.Expressions.Expression	The modified expression, if it or any subexpression was modified; otherwise, returns the original expression.

VisitLabelTarget(LabelTarget)

Visits the children of a label target node.

Declaration

protected override LabelTarget VisitLabelTarget(LabelTarget node)

Parameters

Type	Name	Description
System.Linq.Expressions.LabelTarget	node	The label target to visit.

Returns

Type	Description
System.Linq.Expressions.LabelTarget	The modified label target, if it or any subexpression was modified; otherwise, returns the original label target.

VisitLambdaCore<T>(Expression<T>)

Visits the children of a lambda expression.

Declaration

protected override Expression VisitLambdaCore<T>(Expression<T> node)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression<T>	node	The expression to visit.

Returns

Type	Description
System.Linq.Expressions.Expression	The modified expression, if it or any subexpression was modified; otherwise, returns the original expression.

Type Parameters

Name	Description
T	The type of the delegate.

Overrides

System.Linq.CompilerServices.ScopedExpressionVisitorBase.VisitLambdaCore<T>(System.Linq.Expressions.Expression<T>)

VisitListInit(ListInitExpression)

Visits the children of a list initializer expression.

Declaration

protected override Expression VisitListInit(ListInitExpression node)

Parameters

Type	Name	Description
System.Linq.Expressions.ListInitExpression	node	The expression to visit.

Returns

Type	Description
System.Linq.Expressions.Expression	The modified expression, if it or any subexpression was modified; otherwise, returns the original expression.

VisitLoop(LoopExpression)

Visits the children of a loop expression.

Declaration

protected override Expression VisitLoop(LoopExpression node)

Parameters

Type	Name	Description
System.Linq.Expressions.LoopExpression	node	The expression to visit.

Returns

Type	Description
System.Linq.Expressions.Expression	The modified expression, if it or any subexpression was modified; otherwise, returns the original expression.

VisitMember(MemberExpression)

Visits the children of a member expression.

Declaration

protected override Expression VisitMember(MemberExpression node)

Parameters

Type	Name	Description
System.Linq.Expressions.MemberExpression	node	The expression to visit.

Returns

Type	Description
System.Linq.Expressions.Expression	The modified expression, if it or any subexpression was modified; otherwise, returns the original expression.

VisitMember(MemberInfo)

Visits a member. When overridden, other reflection object visit methods should be overridden appropriately to ensure consistent typing.

Declaration

protected virtual MemberInfo VisitMember(MemberInfo member)

Parameters

Type	Name	Description
System.Reflection.MemberInfo	member	Member to visit.

Returns

Type	Description
System.Reflection.MemberInfo	Result of the visit.

VisitMemberAssignment(MemberAssignment)

Visits the children of a member assignment node.

Declaration

protected override MemberAssignment VisitMemberAssignment(MemberAssignment node)

Parameters

Type	Name	Description
System.Linq.Expressions.MemberAssignment	node	The member assignment to visit.

Returns

Type	Description
System.Linq.Expressions.MemberAssignment	The modified member assignment, if it or any subexpression was modified; otherwise, returns the original member assignment.

VisitMemberInit(MemberInitExpression)

Visits the children of a member initialization expression.

Declaration

protected override Expression VisitMemberInit(MemberInitExpression node)

Parameters

Type	Name	Description
System.Linq.Expressions.MemberInitExpression	node	The expression to visit.

Returns

Type	Description
System.Linq.Expressions.Expression	The modified expression, if it or any subexpression was modified; otherwise, returns the original expression.

VisitMemberListBinding(MemberListBinding)

Visits the children of a member list binding node.

Declaration

protected override MemberListBinding VisitMemberListBinding(MemberListBinding node)

Parameters

Type	Name	Description
System.Linq.Expressions.MemberListBinding	node	The list binding to visit.

Returns

Type	Description
System.Linq.Expressions.MemberListBinding	The modified list binding, if it or any subexpression was modified; otherwise, returns the original list binding.

VisitMemberMemberBinding(MemberMemberBinding)

Visits the children of a member binding node.

Declaration

protected override MemberMemberBinding VisitMemberMemberBinding(MemberMemberBinding node)

Parameters

Type	Name	Description
System.Linq.Expressions.MemberMemberBinding	node	The member binding to visit.

Returns

Type	Description
System.Linq.Expressions.MemberMemberBinding	The modified member binding, if it or any subexpression was modified; otherwise, returns the original member binding.

VisitMethod(MethodInfo)

Visits a method. When overridden, other reflection object visit methods should be overridden appropriately to ensure consistent typing.

Declaration

protected virtual MethodInfo VisitMethod(MethodInfo method)

Parameters

Type	Name	Description
System.Reflection.MethodInfo	method	Method to visit.

Returns

Type	Description
System.Reflection.MethodInfo	Result of the visit.

VisitMethodCall(MethodCallExpression)

Visits the children of a method call expression.

Declaration

protected override Expression VisitMethodCall(MethodCallExpression node)

Parameters

Type	Name	Description
System.Linq.Expressions.MethodCallExpression	node	The expression to visit.

Returns

Type	Description
System.Linq.Expressions.Expression	The modified expression, if it or any subexpression was modified; otherwise, returns the original expression.

VisitNew(NewExpression)

Visits the children of a new expression.

Declaration

protected override Expression VisitNew(NewExpression node)

Parameters

Type	Name	Description
System.Linq.Expressions.NewExpression	node	The expression to visit.

Returns

Type	Description
System.Linq.Expressions.Expression	The modified expression, if it or any subexpression was modified; otherwise, returns the original expression.

VisitNewArray(NewArrayExpression)

Visits the children of a new array expression.

Declaration

protected override Expression VisitNewArray(NewArrayExpression node)

Parameters

Type	Name	Description
System.Linq.Expressions.NewArrayExpression	node	The expression to visit.

Returns

Type	Description
System.Linq.Expressions.Expression	The modified expression, if it or any subexpression was modified; otherwise, returns the original expression.

VisitParameter(ParameterExpression)

Visits a parameter expression.

Declaration

protected override Expression VisitParameter(ParameterExpression node)

Parameters

Type	Name	Description
System.Linq.Expressions.ParameterExpression	node	The expression to visit.

Returns

Type	Description
System.Linq.Expressions.Expression	The modified expression, if it or any subexpression was modified; otherwise, returns the original expression.

VisitProperty(PropertyInfo)

Visits a property. When overridden, other reflection object visit methods should be overridden appropriately to ensure consistent typing.

Declaration

protected virtual MemberInfo VisitProperty(PropertyInfo property)

Parameters

Type	Name	Description
System.Reflection.PropertyInfo	property	Property to visit.

Returns

Type	Description
System.Reflection.MemberInfo	Result of the visit.

VisitRuntimeVariables(RuntimeVariablesExpression)

Visits the children of a runtime variables expression.

Declaration

protected override Expression VisitRuntimeVariables(RuntimeVariablesExpression node)

Parameters

Type	Name	Description
System.Linq.Expressions.RuntimeVariablesExpression	node	The expression to visit.

Returns

Type	Description
System.Linq.Expressions.Expression	The modified expression, if it or any subexpression was modified; otherwise, returns the original expression.

VisitSwitch(SwitchExpression)

Visits the children of a switch expression.

Declaration

protected override Expression VisitSwitch(SwitchExpression node)

Parameters

Type	Name	Description
System.Linq.Expressions.SwitchExpression	node	The expression to visit.

Returns

Type	Description
System.Linq.Expressions.Expression	The modified expression, if it or any subexpression was modified; otherwise, returns the original expression.

VisitSwitchCase(SwitchCase)

Visits the children of a switch case node.

Declaration

protected override SwitchCase VisitSwitchCase(SwitchCase node)

Parameters

Type	Name	Description
System.Linq.Expressions.SwitchCase	node	The switch case to visit.

Returns

Type	Description
System.Linq.Expressions.SwitchCase	The modified switch case, if it or any subexpression was modified; otherwise, returns the original switch case.

VisitTry(TryExpression)

Visits the children of a try expression.

Declaration

protected override Expression VisitTry(TryExpression node)

Parameters

Type	Name	Description
System.Linq.Expressions.TryExpression	node	The expression to visit.

Returns

Type	Description
System.Linq.Expressions.Expression	The modified expression, if it or any subexpression was modified; otherwise, returns the original expression.

VisitType(Type)

Visits a type. When overridden, other reflection object visit methods should be overridden appropriately to ensure consistent typing.

Declaration

protected virtual Type VisitType(Type type)

Parameters

Type	Name	Description
System.Type	type	Type to visit.

Returns

Type	Description
System.Type	Result of the visit.

VisitTypeBinary(TypeBinaryExpression)

Visits the children of a type binary expression.

Declaration

protected override Expression VisitTypeBinary(TypeBinaryExpression node)

Parameters

Type	Name	Description
System.Linq.Expressions.TypeBinaryExpression	node	The expression to visit.

Returns

Type	Description
System.Linq.Expressions.Expression	The modified expression, if it or any subexpression was modified; otherwise, returns the original expression.

VisitUnary(UnaryExpression)

Visits the children of a unary expression.

Declaration

protected override Expression VisitUnary(UnaryExpression node)

Parameters

Type	Name	Description
System.Linq.Expressions.UnaryExpression	node	The expression to visit.

Returns

Type	Description
System.Linq.Expressions.Expression	The modified expression, if it or any subexpression was modified; otherwise, returns the original expression.