Class SubstituteAndUnquoteRewriter

Visitor to rewrite the types of expression tree nodes while also unquoting unary expressions representing quotes.

Inheritance

System.Object

SubstituteAndUnquoteRewriter

Namespace: Reaqtor

Assembly: Reaqtor.Shared.Core.dll

Syntax

public class SubstituteAndUnquoteRewriter : TypeSubstitutionExpressionVisitor

Constructors

SubstituteAndUnquoteRewriter(IDictionary<Type, Type>)

Creates a new type substitution and unquoting visitor using the specified type map.

Declaration

public SubstituteAndUnquoteRewriter(IDictionary<Type, Type> map)

Parameters

Type	Name	Description
System.Collections.Generic.IDictionary<System.Type, System.Type>	map	Dictionary mapping original types to their rewrite targets.

Methods

VisitInvocation(InvocationExpression)

Visit invocation expressions to strip out invocations of the identity function.

Declaration

protected override Expression VisitInvocation(InvocationExpression node)

Parameters

Type	Name	Description
System.Linq.Expressions.InvocationExpression	node	Expression to analyze and rewrite.

Returns

Type	Description
System.Linq.Expressions.Expression	The original node if the invocation does not apply an identity function; otherwise, the operand of the identity function application.

VisitUnary(UnaryExpression)

Visits unary expression nodes in order to unquote quote nodes.

Declaration

protected override Expression VisitUnary(UnaryExpression node)

Parameters

Type	Name	Description
System.Linq.Expressions.UnaryExpression	node	Expression to analyze and rewrite.

Returns

Type	Description
System.Linq.Expressions.Expression	The original node if it doesn't represent a quote; otherwise, the unquoted node.