source: branches/2389-EpsLexicase/HeuristicLab.ExtLibs/HeuristicLab.NRefactory/5.5.0/NRefactory.CSharp-5.5.0/Ast/ObservableAstVisitor.cs

// 
// ObservableAstVisitor.cs
//
// Author:
//       Mike Krüger <mkrueger@novell.com>
// 
// Copyright (c) 2011 Novell, Inc (http://www.novell.com)
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

using System;

namespace ICSharpCode.NRefactory.CSharp
{
  public class ObservableAstVisitor : IAstVisitor
  {
    void Visit<T>(Action<T> enter, Action<T> leave, T node) where T : AstNode
    {
      if (enter != null)
        enter(node);
      AstNode next;
      for (var child = node.FirstChild; child != null; child = next) {
        // Store next to allow the loop to continue
        // if the visitor removes/replaces children.
        next = child.NextSibling;
        child.AcceptVisitor (this);
      }
      if (leave != null)
        leave(node);
    }

    void IAstVisitor.VisitNullNode(AstNode nullNode)
    {
    }

    void IAstVisitor.VisitErrorNode(AstNode nullNode)
    {
    }

    public event Action<SyntaxTree> EnterSyntaxTree, LeaveSyntaxTree;
    
    void IAstVisitor.VisitSyntaxTree(SyntaxTree unit)
    {
      Visit(EnterSyntaxTree, LeaveSyntaxTree, unit);
    }
    
    public event Action<Comment> EnterComment, LeaveComment;
    
    void IAstVisitor.VisitComment(Comment comment)
    {
      Visit(EnterComment, LeaveComment, comment);
    }
    
    public event Action<NewLineNode> EnterNewLine, LeaveNewLine;
    
    void IAstVisitor.VisitNewLine(NewLineNode newLineNode)
    {
      Visit(EnterNewLine, LeaveNewLine, newLineNode);
    }
    
    public event Action<WhitespaceNode> EnterWhitespace, LeaveWhitespace;
    
    void IAstVisitor.VisitWhitespace(WhitespaceNode whitespace)
    {
      Visit(EnterWhitespace, LeaveWhitespace, whitespace);
    }
    
    public event Action<TextNode> EnterText, LeaveText;
    
    void IAstVisitor.VisitText(TextNode textNode)
    {
      Visit(EnterText, LeaveText, textNode);
    }
    
    public event Action<PreProcessorDirective> EnterPreProcessorDirective, LeavePreProcessorDirective;
    void IAstVisitor.VisitPreProcessorDirective(PreProcessorDirective preProcessorDirective)
    {
      Visit(EnterPreProcessorDirective, LeavePreProcessorDirective, preProcessorDirective);
    }
    
    public event Action<DocumentationReference> EnterDocumentationReference, LeaveDocumentationReference;
    
    void IAstVisitor.VisitDocumentationReference(DocumentationReference documentationReference)
    {
      Visit(EnterDocumentationReference, LeaveDocumentationReference, documentationReference);
    }
    
    public event Action<Identifier> EnterIdentifier, LeaveIdentifier;
    
    void IAstVisitor.VisitIdentifier(Identifier identifier)
    {
      Visit(EnterIdentifier, LeaveIdentifier, identifier);
    }
    
    public event Action<CSharpTokenNode> EnterCSharpTokenNode, LeaveCSharpTokenNode;
    
    void IAstVisitor.VisitCSharpTokenNode(CSharpTokenNode token)
    {
      Visit(EnterCSharpTokenNode, LeaveCSharpTokenNode, token);
    }
    
    public event Action<PrimitiveType> EnterPrimitiveType, LeavePrimitiveType;
    
    void IAstVisitor.VisitPrimitiveType(PrimitiveType primitiveType)
    {
      Visit(EnterPrimitiveType, LeavePrimitiveType, primitiveType);
    }
    
    public event Action<ComposedType> EnterComposedType, LeaveComposedType;
    
    void IAstVisitor.VisitComposedType(ComposedType composedType)
    {
      Visit(EnterComposedType, LeaveComposedType, composedType);
    }
    
    public event Action<SimpleType> EnterSimpleType, LeaveSimpleType;
    
    void IAstVisitor.VisitSimpleType(SimpleType simpleType)
    {
      Visit(EnterSimpleType, LeaveSimpleType, simpleType);
    }
    
    public event Action<MemberType> EnterMemberType, LeaveMemberType;
    
    void IAstVisitor.VisitMemberType(MemberType memberType)
    {
      Visit(EnterMemberType, LeaveMemberType, memberType);
    }
    
    public event Action<Attribute> EnterAttribute, LeaveAttribute;
    
    void IAstVisitor.VisitAttribute(Attribute attribute)
    {
      Visit(EnterAttribute, LeaveAttribute, attribute);
    }
    
    public event Action<AttributeSection> EnterAttributeSection, LeaveAttributeSection;
    
    void IAstVisitor.VisitAttributeSection(AttributeSection attributeSection)
    {
      Visit(EnterAttributeSection, LeaveAttributeSection, attributeSection);
    }
    
    public event Action<DelegateDeclaration> EnterDelegateDeclaration, LeaveDelegateDeclaration;
    
    void IAstVisitor.VisitDelegateDeclaration(DelegateDeclaration delegateDeclaration)
    {
      Visit(EnterDelegateDeclaration, LeaveDelegateDeclaration, delegateDeclaration);
    }
    
    public event Action<NamespaceDeclaration> EnterNamespaceDeclaration, LeaveNamespaceDeclaration;
    
    void IAstVisitor.VisitNamespaceDeclaration(NamespaceDeclaration namespaceDeclaration)
    {
      Visit(EnterNamespaceDeclaration, LeaveNamespaceDeclaration, namespaceDeclaration);
    }
    
    public event Action<TypeDeclaration> EnterTypeDeclaration, LeaveTypeDeclaration;
    
    void IAstVisitor.VisitTypeDeclaration(TypeDeclaration typeDeclaration)
    {
      Visit(EnterTypeDeclaration, LeaveTypeDeclaration, typeDeclaration);
    }
    
    public event Action<TypeParameterDeclaration> EnterTypeParameterDeclaration, LeaveTypeParameterDeclaration;
    
    void IAstVisitor.VisitTypeParameterDeclaration(TypeParameterDeclaration typeParameterDeclaration)
    {
      Visit(EnterTypeParameterDeclaration, LeaveTypeParameterDeclaration, typeParameterDeclaration);
    }
    
    public event Action<EnumMemberDeclaration> EnterEnumMemberDeclaration, LeaveEnumMemberDeclaration;
    
    void IAstVisitor.VisitEnumMemberDeclaration(EnumMemberDeclaration enumMemberDeclaration)
    {
      Visit(EnterEnumMemberDeclaration, LeaveEnumMemberDeclaration, enumMemberDeclaration);
    }
    
    public event Action<UsingDeclaration> EnterUsingDeclaration, LeaveUsingDeclaration;
    
    void IAstVisitor.VisitUsingDeclaration(UsingDeclaration usingDeclaration)
    {
      Visit(EnterUsingDeclaration, LeaveUsingDeclaration, usingDeclaration);
    }
    
    public event Action<UsingAliasDeclaration> EnterUsingAliasDeclaration, LeaveUsingAliasDeclaration;
    
    void IAstVisitor.VisitUsingAliasDeclaration(UsingAliasDeclaration usingDeclaration)
    {
      Visit(EnterUsingAliasDeclaration, LeaveUsingAliasDeclaration, usingDeclaration);
    }
    
    public event Action<ExternAliasDeclaration> EnterExternAliasDeclaration, LeaveExternAliasDeclaration;
    
    void IAstVisitor.VisitExternAliasDeclaration(ExternAliasDeclaration externAliasDeclaration)
    {
      Visit(EnterExternAliasDeclaration, LeaveExternAliasDeclaration, externAliasDeclaration);
    }
    
    public event Action<ConstructorDeclaration> EnterConstructorDeclaration, LeaveConstructorDeclaration;
    
    void IAstVisitor.VisitConstructorDeclaration(ConstructorDeclaration constructorDeclaration)
    {
      Visit(EnterConstructorDeclaration, LeaveConstructorDeclaration, constructorDeclaration);
    }
    
    public event Action<ConstructorInitializer> EnterConstructorInitializer, LeaveConstructorInitializer;
    
    void IAstVisitor.VisitConstructorInitializer(ConstructorInitializer constructorInitializer)
    {
      Visit(EnterConstructorInitializer, LeaveConstructorInitializer, constructorInitializer);
    }
    
    public event Action<DestructorDeclaration> EnterDestructorDeclaration, LeaveDestructorDeclaration;
    
    void IAstVisitor.VisitDestructorDeclaration(DestructorDeclaration destructorDeclaration)
    {
      Visit(EnterDestructorDeclaration, LeaveDestructorDeclaration, destructorDeclaration);
    }
    
    public event Action<EventDeclaration> EnterEventDeclaration, LeaveEventDeclaration;
    
    void IAstVisitor.VisitEventDeclaration(EventDeclaration eventDeclaration)
    {
      Visit(EnterEventDeclaration, LeaveEventDeclaration, eventDeclaration);
    }
    
    public event Action<CustomEventDeclaration> EnterCustomEventDeclaration, LeaveCustomEventDeclaration;
    
    void IAstVisitor.VisitCustomEventDeclaration(CustomEventDeclaration eventDeclaration)
    {
      Visit(EnterCustomEventDeclaration, LeaveCustomEventDeclaration, eventDeclaration);
    }
    
    public event Action<FieldDeclaration> EnterFieldDeclaration, LeaveFieldDeclaration;
    
    void IAstVisitor.VisitFieldDeclaration(FieldDeclaration fieldDeclaration)
    {
      Visit(EnterFieldDeclaration, LeaveFieldDeclaration, fieldDeclaration);
    }
    
    public event Action<FixedFieldDeclaration> EnterFixedFieldDeclaration, LeaveFixedFieldDeclaration;
    
    void IAstVisitor.VisitFixedFieldDeclaration(FixedFieldDeclaration fixedFieldDeclaration)
    {
      Visit(EnterFixedFieldDeclaration, LeaveFixedFieldDeclaration, fixedFieldDeclaration);
    }
    
    public event Action<FixedVariableInitializer> EnterFixedVariableInitializer, LeaveFixedVariableInitializer;
    
    void IAstVisitor.VisitFixedVariableInitializer(FixedVariableInitializer fixedVariableInitializer)
    {
      Visit(EnterFixedVariableInitializer, LeaveFixedVariableInitializer, fixedVariableInitializer);
    }
    
    public event Action<IndexerDeclaration> EnterIndexerDeclaration, LeaveIndexerDeclaration;
    
    void IAstVisitor.VisitIndexerDeclaration(IndexerDeclaration indexerDeclaration)
    {
      Visit(EnterIndexerDeclaration, LeaveIndexerDeclaration, indexerDeclaration);
    }
    
    public event Action<MethodDeclaration> EnterMethodDeclaration, LeaveMethodDeclaration;
    
    void IAstVisitor.VisitMethodDeclaration(MethodDeclaration methodDeclaration)
    {
      Visit(EnterMethodDeclaration, LeaveMethodDeclaration, methodDeclaration);
    }
    
    public event Action<OperatorDeclaration> EnterOperatorDeclaration, LeaveOperatorDeclaration;
    
    void IAstVisitor.VisitOperatorDeclaration(OperatorDeclaration operatorDeclaration)
    {
      Visit(EnterOperatorDeclaration, LeaveOperatorDeclaration, operatorDeclaration);
    }
    
    public event Action<PropertyDeclaration> EnterPropertyDeclaration, LeavePropertyDeclaration;
    
    void IAstVisitor.VisitPropertyDeclaration(PropertyDeclaration propertyDeclaration)
    {
      Visit(EnterPropertyDeclaration, LeavePropertyDeclaration, propertyDeclaration);
    }
    
    public event Action<Accessor> EnterAccessor, LeaveAccessor;
    
    void IAstVisitor.VisitAccessor(Accessor accessor)
    {
      Visit(EnterAccessor, LeaveAccessor, accessor);
    }
    
    public event Action<VariableInitializer> EnterVariableInitializer, LeaveVariableInitializer;
    
    void IAstVisitor.VisitVariableInitializer(VariableInitializer variableInitializer)
    {
      Visit(EnterVariableInitializer, LeaveVariableInitializer, variableInitializer);
    }
    
    public event Action<ParameterDeclaration> EnterParameterDeclaration, LeaveParameterDeclaration;
    
    void IAstVisitor.VisitParameterDeclaration(ParameterDeclaration parameterDeclaration)
    {
      Visit(EnterParameterDeclaration, LeaveParameterDeclaration, parameterDeclaration);
    }
    
    public event Action<Constraint> EnterConstraint, LeaveConstraint;
    
    void IAstVisitor.VisitConstraint(Constraint constraint)
    {
      Visit(EnterConstraint, LeaveConstraint, constraint);
    }
    
    public event Action<BlockStatement> EnterBlockStatement, LeaveBlockStatement;
    
    void IAstVisitor.VisitBlockStatement(BlockStatement blockStatement)
    {
      Visit(EnterBlockStatement, LeaveBlockStatement, blockStatement);
    }
    
    public event Action<ExpressionStatement> EnterExpressionStatement, LeaveExpressionStatement;
    
    void IAstVisitor.VisitExpressionStatement(ExpressionStatement expressionStatement)
    {
      Visit(EnterExpressionStatement, LeaveExpressionStatement, expressionStatement);
    }
    
    public event Action<BreakStatement> EnterBreakStatement, LeaveBreakStatement;
    
    void IAstVisitor.VisitBreakStatement(BreakStatement breakStatement)
    {
      Visit(EnterBreakStatement, LeaveBreakStatement, breakStatement);
    }
    
    public event Action<CheckedStatement> EnterCheckedStatement, LeaveCheckedStatement;
    
    void IAstVisitor.VisitCheckedStatement(CheckedStatement checkedStatement)
    {
      Visit(EnterCheckedStatement, LeaveCheckedStatement, checkedStatement);
    }
    
    public event Action<ContinueStatement> EnterContinueStatement, LeaveContinueStatement;
    
    void IAstVisitor.VisitContinueStatement(ContinueStatement continueStatement)
    {
      Visit(EnterContinueStatement, LeaveContinueStatement, continueStatement);
    }
    
    public event Action<DoWhileStatement> EnterDoWhileStatement, LeaveDoWhileStatement;
    
    void IAstVisitor.VisitDoWhileStatement(DoWhileStatement doWhileStatement)
    {
      Visit(EnterDoWhileStatement, LeaveDoWhileStatement, doWhileStatement);
    }
    
    public event Action<EmptyStatement> EnterEmptyStatement, LeaveEmptyStatement;
    
    void IAstVisitor.VisitEmptyStatement(EmptyStatement emptyStatement)
    {
      Visit(EnterEmptyStatement, LeaveEmptyStatement, emptyStatement);
    }
    
    public event Action<FixedStatement> EnterFixedStatement, LeaveFixedStatement;
    
    void IAstVisitor.VisitFixedStatement(FixedStatement fixedStatement)
    {
      Visit(EnterFixedStatement, LeaveFixedStatement, fixedStatement);
    }
    
    public event Action<ForeachStatement> EnterForeachStatement, LeaveForeachStatement;
    
    void IAstVisitor.VisitForeachStatement(ForeachStatement foreachStatement)
    {
      Visit(EnterForeachStatement, LeaveForeachStatement, foreachStatement);
    }
    
    public event Action<ForStatement> EnterForStatement, LeaveForStatement;
    
    void IAstVisitor.VisitForStatement(ForStatement forStatement)
    {
      Visit(EnterForStatement, LeaveForStatement, forStatement);
    }
    
    public event Action<GotoCaseStatement> EnterGotoCaseStatement, LeaveGotoCaseStatement;
    
    void IAstVisitor.VisitGotoCaseStatement(GotoCaseStatement gotoCaseStatement)
    {
      Visit(EnterGotoCaseStatement, LeaveGotoCaseStatement, gotoCaseStatement);
    }
    
    public event Action<GotoDefaultStatement> EnterGotoDefaultStatement, LeaveGotoDefaultStatement;
    
    void IAstVisitor.VisitGotoDefaultStatement(GotoDefaultStatement gotoDefaultStatement)
    {
      Visit(EnterGotoDefaultStatement, LeaveGotoDefaultStatement, gotoDefaultStatement);
    }
    
    public event Action<GotoStatement> EnterGotoStatement, LeaveGotoStatement;
    
    void IAstVisitor.VisitGotoStatement(GotoStatement gotoStatement)
    {
      Visit(EnterGotoStatement, LeaveGotoStatement, gotoStatement);
    }
    
    public event Action<IfElseStatement> EnterIfElseStatement, LeaveIfElseStatement;
    
    void IAstVisitor.VisitIfElseStatement(IfElseStatement ifElseStatement)
    {
      Visit(EnterIfElseStatement, LeaveIfElseStatement, ifElseStatement);
    }
    
    public event Action<LabelStatement> EnterLabelStatement, LeaveLabelStatement;
    
    void IAstVisitor.VisitLabelStatement(LabelStatement labelStatement)
    {
      Visit(EnterLabelStatement, LeaveLabelStatement, labelStatement);
    }
    
    public event Action<LockStatement> EnterLockStatement, LeaveLockStatement;
    
    void IAstVisitor.VisitLockStatement(LockStatement lockStatement)
    {
      Visit(EnterLockStatement, LeaveLockStatement, lockStatement);
    }
    
    public event Action<ReturnStatement> EnterReturnStatement, LeaveReturnStatement;
    
    void IAstVisitor.VisitReturnStatement(ReturnStatement returnStatement)
    {
      Visit(EnterReturnStatement, LeaveReturnStatement, returnStatement);
    }
    
    public event Action<SwitchStatement> EnterSwitchStatement, LeaveSwitchStatement;
    
    void IAstVisitor.VisitSwitchStatement(SwitchStatement switchStatement)
    {
      Visit(EnterSwitchStatement, LeaveSwitchStatement, switchStatement);
    }
    
    public event Action<SwitchSection> EnterSwitchSection, LeaveSwitchSection;
    
    void IAstVisitor.VisitSwitchSection(SwitchSection switchSection)
    {
      Visit(EnterSwitchSection, LeaveSwitchSection, switchSection);
    }
    
    public event Action<CaseLabel> EnterCaseLabel, LeaveCaseLabel;
    
    void IAstVisitor.VisitCaseLabel(CaseLabel caseLabel)
    {
      Visit(EnterCaseLabel, LeaveCaseLabel, caseLabel);
    }
    
    public event Action<ThrowStatement> EnterThrowStatement, LeaveThrowStatement;
    
    void IAstVisitor.VisitThrowStatement(ThrowStatement throwStatement)
    {
      Visit(EnterThrowStatement, LeaveThrowStatement, throwStatement);
    }
    
    public event Action<TryCatchStatement> EnterTryCatchStatement, LeaveTryCatchStatement;
    
    void IAstVisitor.VisitTryCatchStatement(TryCatchStatement tryCatchStatement)
    {
      Visit(EnterTryCatchStatement, LeaveTryCatchStatement, tryCatchStatement);
    }
    
    public event Action<CatchClause> EnterCatchClause, LeaveCatchClause;
    
    void IAstVisitor.VisitCatchClause(CatchClause catchClause)
    {
      Visit(EnterCatchClause, LeaveCatchClause, catchClause);
    }
    
    public event Action<UncheckedStatement> EnterUncheckedStatement, LeaveUncheckedStatement;
    
    void IAstVisitor.VisitUncheckedStatement(UncheckedStatement uncheckedStatement)
    {
      Visit(EnterUncheckedStatement, LeaveUncheckedStatement, uncheckedStatement);
    }
    
    public event Action<UnsafeStatement> EnterUnsafeStatement, LeaveUnsafeStatement;
    
    void IAstVisitor.VisitUnsafeStatement(UnsafeStatement unsafeStatement)
    {
      Visit(EnterUnsafeStatement, LeaveUnsafeStatement, unsafeStatement);
    }
    
    public event Action<UsingStatement> EnterUsingStatement, LeaveUsingStatement;
    
    void IAstVisitor.VisitUsingStatement(UsingStatement usingStatement)
    {
      Visit(EnterUsingStatement, LeaveUsingStatement, usingStatement);
    }
    
    public event Action<VariableDeclarationStatement> EnterVariableDeclarationStatement, LeaveVariableDeclarationStatement;
    
    void IAstVisitor.VisitVariableDeclarationStatement(VariableDeclarationStatement variableDeclarationStatement)
    {
      Visit(EnterVariableDeclarationStatement, LeaveVariableDeclarationStatement, variableDeclarationStatement);
    }
    
    public event Action<WhileStatement> EnterWhileStatement, LeaveWhileStatement;
    
    void IAstVisitor.VisitWhileStatement(WhileStatement whileStatement)
    {
      Visit(EnterWhileStatement, LeaveWhileStatement, whileStatement);
    }
    
    public event Action<YieldBreakStatement> EnterYieldBreakStatement, LeaveYieldBreakStatement;
    
    void IAstVisitor.VisitYieldBreakStatement(YieldBreakStatement yieldBreakStatement)
    {
      Visit(EnterYieldBreakStatement, LeaveYieldBreakStatement, yieldBreakStatement);
    }
    
    public event Action<YieldReturnStatement> EnterYieldReturnStatement, LeaveYieldReturnStatement;
    
    void IAstVisitor.VisitYieldReturnStatement(YieldReturnStatement yieldStatement)
    {
      Visit(EnterYieldReturnStatement, LeaveYieldReturnStatement, yieldStatement);
    }
    
    public event Action<AnonymousMethodExpression> EnterAnonymousMethodExpression, LeaveAnonymousMethodExpression;
    
    void IAstVisitor.VisitAnonymousMethodExpression(AnonymousMethodExpression anonymousMethodExpression)
    {
      Visit(EnterAnonymousMethodExpression, LeaveAnonymousMethodExpression, anonymousMethodExpression);
    }
    
    public event Action<LambdaExpression> EnterLambdaExpression, LeaveLambdaExpression;
    
    void IAstVisitor.VisitLambdaExpression(LambdaExpression lambdaExpression)
    {
      Visit(EnterLambdaExpression, LeaveLambdaExpression, lambdaExpression);
    }
    
    public event Action<AssignmentExpression> EnterAssignmentExpression, LeaveAssignmentExpression;
    
    void IAstVisitor.VisitAssignmentExpression(AssignmentExpression assignmentExpression)
    {
      Visit(EnterAssignmentExpression, LeaveAssignmentExpression, assignmentExpression);
    }
    
    public event Action<BaseReferenceExpression> EnterBaseReferenceExpression, LeaveBaseReferenceExpression;
    
    void IAstVisitor.VisitBaseReferenceExpression(BaseReferenceExpression baseReferenceExpression)
    {
      Visit(EnterBaseReferenceExpression, LeaveBaseReferenceExpression, baseReferenceExpression);
    }
    
    public event Action<BinaryOperatorExpression> EnterBinaryOperatorExpression, LeaveBinaryOperatorExpression;
    
    void IAstVisitor.VisitBinaryOperatorExpression(BinaryOperatorExpression binaryOperatorExpression)
    {
      Visit(EnterBinaryOperatorExpression, LeaveBinaryOperatorExpression, binaryOperatorExpression);
    }
    
    public event Action<CastExpression> EnterCastExpression, LeaveCastExpression;
    
    void IAstVisitor.VisitCastExpression(CastExpression castExpression)
    {
      Visit(EnterCastExpression, LeaveCastExpression, castExpression);
    }
    
    public event Action<CheckedExpression> EnterCheckedExpression, LeaveCheckedExpression;
    
    void IAstVisitor.VisitCheckedExpression(CheckedExpression checkedExpression)
    {
      Visit(EnterCheckedExpression, LeaveCheckedExpression, checkedExpression);
    }
    
    public event Action<ConditionalExpression> EnterConditionalExpression, LeaveConditionalExpression;
    
    void IAstVisitor.VisitConditionalExpression(ConditionalExpression conditionalExpression)
    {
      Visit(EnterConditionalExpression, LeaveConditionalExpression, conditionalExpression);
    }
    
    public event Action<IdentifierExpression> EnterIdentifierExpression, LeaveIdentifierExpression;
    
    void IAstVisitor.VisitIdentifierExpression(IdentifierExpression identifierExpression)
    {
      Visit(EnterIdentifierExpression, LeaveIdentifierExpression, identifierExpression);
    }
    
    public event Action<IndexerExpression> EnterIndexerExpression, LeaveIndexerExpression;
    
    void IAstVisitor.VisitIndexerExpression(IndexerExpression indexerExpression)
    {
      Visit(EnterIndexerExpression, LeaveIndexerExpression, indexerExpression);
    }
    
    public event Action<InvocationExpression> EnterInvocationExpression, LeaveInvocationExpression;
    
    void IAstVisitor.VisitInvocationExpression(InvocationExpression invocationExpression)
    {
      Visit(EnterInvocationExpression, LeaveInvocationExpression, invocationExpression);
    }
    
    public event Action<DirectionExpression> EnterDirectionExpression, LeaveDirectionExpression;
    
    void IAstVisitor.VisitDirectionExpression(DirectionExpression directionExpression)
    {
      Visit(EnterDirectionExpression, LeaveDirectionExpression, directionExpression);
    }

    public event Action<MemberReferenceExpression> EnterMemberReferenceExpression, LeaveMemberReferenceExpression;
    
    void IAstVisitor.VisitMemberReferenceExpression(MemberReferenceExpression memberReferenceExpression)
    {
      Visit(EnterMemberReferenceExpression, LeaveMemberReferenceExpression, memberReferenceExpression);
    }
    
    public event Action<NullReferenceExpression> EnterNullReferenceExpression, LeaveNullReferenceExpression;
    
    void IAstVisitor.VisitNullReferenceExpression(NullReferenceExpression nullReferenceExpression)
    {
      Visit(EnterNullReferenceExpression, LeaveNullReferenceExpression, nullReferenceExpression);
    }
    
    public event Action<ObjectCreateExpression> EnterObjectCreateExpression, LeaveObjectCreateExpression;
    
    void IAstVisitor.VisitObjectCreateExpression(ObjectCreateExpression objectCreateExpression)
    {
      Visit(EnterObjectCreateExpression, LeaveObjectCreateExpression, objectCreateExpression);
    }
    
    public event Action<AnonymousTypeCreateExpression> EnterAnonymousTypeCreateExpression, LeaveAnonymousTypeCreateExpression;
    
    void IAstVisitor.VisitAnonymousTypeCreateExpression(AnonymousTypeCreateExpression anonymousTypeCreateExpression)
    {
      Visit(EnterAnonymousTypeCreateExpression, LeaveAnonymousTypeCreateExpression, anonymousTypeCreateExpression);
    }
    
    public event Action<ArrayCreateExpression> EnterArrayCreateExpression, LeaveArrayCreateExpression;
    
    void IAstVisitor.VisitArrayCreateExpression(ArrayCreateExpression arraySCreateExpression)
    {
      Visit(EnterArrayCreateExpression, LeaveArrayCreateExpression, arraySCreateExpression);
    }
    
    public event Action<ParenthesizedExpression> EnterParenthesizedExpression, LeaveParenthesizedExpression;
    
    void IAstVisitor.VisitParenthesizedExpression(ParenthesizedExpression parenthesizedExpression)
    {
      Visit(EnterParenthesizedExpression, LeaveParenthesizedExpression, parenthesizedExpression);
    }
    
    public event Action<PointerReferenceExpression> EnterPointerReferenceExpression, LeavePointerReferenceExpression;
    
    void IAstVisitor.VisitPointerReferenceExpression(PointerReferenceExpression pointerReferenceExpression)
    {
      Visit(EnterPointerReferenceExpression, LeavePointerReferenceExpression, pointerReferenceExpression);
    }
    
    public event Action<PrimitiveExpression> EnterPrimitiveExpression, LeavePrimitiveExpression;
    
    void IAstVisitor.VisitPrimitiveExpression(PrimitiveExpression primitiveExpression)
    {
      Visit(EnterPrimitiveExpression, LeavePrimitiveExpression, primitiveExpression);
    }
    
    public event Action<SizeOfExpression> EnterSizeOfExpression, LeaveSizeOfExpression;
    
    void IAstVisitor.VisitSizeOfExpression(SizeOfExpression sizeOfExpression)
    {
      Visit(EnterSizeOfExpression, LeaveSizeOfExpression, sizeOfExpression);
    }
    
    public event Action<StackAllocExpression> EnterStackAllocExpression, LeaveStackAllocExpression;
    
    void IAstVisitor.VisitStackAllocExpression(StackAllocExpression stackAllocExpression)
    {
      Visit(EnterStackAllocExpression, LeaveStackAllocExpression, stackAllocExpression);
    }
    
    public event Action<ThisReferenceExpression> EnterThisReferenceExpression, LeaveThisReferenceExpression;
    
    void IAstVisitor.VisitThisReferenceExpression(ThisReferenceExpression thisReferenceExpression)
    {
      Visit(EnterThisReferenceExpression, LeaveThisReferenceExpression, thisReferenceExpression);
    }
    
    public event Action<TypeOfExpression> EnterTypeOfExpression, LeaveTypeOfExpression;
    
    void IAstVisitor.VisitTypeOfExpression(TypeOfExpression typeOfExpression)
    {
      Visit(EnterTypeOfExpression, LeaveTypeOfExpression, typeOfExpression);
    }
    
    public event Action<TypeReferenceExpression> EnterTypeReferenceExpression, LeaveTypeReferenceExpression;
    
    void IAstVisitor.VisitTypeReferenceExpression(TypeReferenceExpression typeReferenceExpression)
    {
      Visit(EnterTypeReferenceExpression, LeaveTypeReferenceExpression, typeReferenceExpression);
    }
    
    public event Action<UnaryOperatorExpression> EnterUnaryOperatorExpression, LeaveUnaryOperatorExpression;
    
    void IAstVisitor.VisitUnaryOperatorExpression(UnaryOperatorExpression unaryOperatorExpression)
    {
      Visit(EnterUnaryOperatorExpression, LeaveUnaryOperatorExpression, unaryOperatorExpression);
    }
    
    public event Action<UncheckedExpression> EnterUncheckedExpression, LeaveUncheckedExpression;
    
    void IAstVisitor.VisitUncheckedExpression(UncheckedExpression uncheckedExpression)
    {
      Visit(EnterUncheckedExpression, LeaveUncheckedExpression, uncheckedExpression);
    }
    
    public event Action<QueryExpression> EnterQueryExpression, LeaveQueryExpression;
    
    void IAstVisitor.VisitQueryExpression(QueryExpression queryExpression)
    {
      Visit(EnterQueryExpression, LeaveQueryExpression, queryExpression);
    }
    
    public event Action<QueryContinuationClause> EnterQueryContinuationClause, LeaveQueryContinuationClause;
    
    void IAstVisitor.VisitQueryContinuationClause(QueryContinuationClause queryContinuationClause)
    {
      Visit(EnterQueryContinuationClause, LeaveQueryContinuationClause, queryContinuationClause);
    }
    
    public event Action<QueryFromClause> EnterQueryFromClause, LeaveQueryFromClause;
    
    void IAstVisitor.VisitQueryFromClause(QueryFromClause queryFromClause)
    {
      Visit(EnterQueryFromClause, LeaveQueryFromClause, queryFromClause);
    }
    
    public event Action<QueryLetClause> EnterQueryLetClause, LeaveQueryLetClause;
    
    void IAstVisitor.VisitQueryLetClause(QueryLetClause queryLetClause)
    {
      Visit(EnterQueryLetClause, LeaveQueryLetClause, queryLetClause);
    }
    
    public event Action<QueryWhereClause> EnterQueryWhereClause, LeaveQueryWhereClause;
    
    void IAstVisitor.VisitQueryWhereClause(QueryWhereClause queryWhereClause)
    {
      Visit(EnterQueryWhereClause, LeaveQueryWhereClause, queryWhereClause);
    }
    
    public event Action<QueryJoinClause> EnterQueryJoinClause, LeaveQueryJoinClause;
    
    void IAstVisitor.VisitQueryJoinClause(QueryJoinClause queryJoinClause)
    {
      Visit(EnterQueryJoinClause, LeaveQueryJoinClause, queryJoinClause);
    }
    
    public event Action<QueryOrderClause> EnterQueryOrderClause, LeaveQueryOrderClause;
    
    void IAstVisitor.VisitQueryOrderClause(QueryOrderClause queryOrderClause)
    {
      Visit(EnterQueryOrderClause, LeaveQueryOrderClause, queryOrderClause);
    }
    
    public event Action<QueryOrdering> EnterQueryOrdering, LeaveQueryOrdering;
    
    void IAstVisitor.VisitQueryOrdering(QueryOrdering queryOrdering)
    {
      Visit(EnterQueryOrdering, LeaveQueryOrdering, queryOrdering);
    }
    
    public event Action<QuerySelectClause> EnterQuerySelectClause, LeaveQuerySelectClause;
    
    void IAstVisitor.VisitQuerySelectClause(QuerySelectClause querySelectClause)
    {
      Visit(EnterQuerySelectClause, LeaveQuerySelectClause, querySelectClause);
    }
    
    public event Action<QueryGroupClause> EnterQueryGroupClause, LeaveQueryGroupClause;
    
    void IAstVisitor.VisitQueryGroupClause(QueryGroupClause queryGroupClause)
    {
      Visit(EnterQueryGroupClause, LeaveQueryGroupClause, queryGroupClause);
    }
    
    public event Action<AsExpression> EnterAsExpression, LeaveAsExpression;
    
    void IAstVisitor.VisitAsExpression(AsExpression asExpression)
    {
      Visit(EnterAsExpression, LeaveAsExpression, asExpression);
    }
    
    public event Action<IsExpression> EnterIsExpression, LeaveIsExpression;
    
    void IAstVisitor.VisitIsExpression(IsExpression isExpression)
    {
      Visit(EnterIsExpression, LeaveIsExpression, isExpression);
    }
    
    public event Action<DefaultValueExpression> EnterDefaultValueExpression, LeaveDefaultValueExpression;
    
    void IAstVisitor.VisitDefaultValueExpression(DefaultValueExpression defaultValueExpression)
    {
      Visit(EnterDefaultValueExpression, LeaveDefaultValueExpression, defaultValueExpression);
    }
    
    public event Action<UndocumentedExpression> EnterUndocumentedExpression, LeaveUndocumentedExpression;
    
    void IAstVisitor.VisitUndocumentedExpression(UndocumentedExpression undocumentedExpression)
    {
      Visit(EnterUndocumentedExpression, LeaveUndocumentedExpression, undocumentedExpression);
    }
    
    public event Action<ArrayInitializerExpression> EnterArrayInitializerExpression, LeaveArrayInitializerExpression;
    
    void IAstVisitor.VisitArrayInitializerExpression(ArrayInitializerExpression arrayInitializerExpression)
    {
      Visit(EnterArrayInitializerExpression, LeaveArrayInitializerExpression, arrayInitializerExpression);
    }
    
    public event Action<ArraySpecifier> EnterArraySpecifier, LeaveArraySpecifier;
    
    void IAstVisitor.VisitArraySpecifier(ArraySpecifier arraySpecifier)
    {
      Visit(EnterArraySpecifier, LeaveArraySpecifier, arraySpecifier);
    }
    
    public event Action<NamedArgumentExpression> EnterNamedArgumentExpression, LeaveNamedArgumentExpression;
    
    void IAstVisitor.VisitNamedArgumentExpression(NamedArgumentExpression namedArgumentExpression)
    {
      Visit(EnterNamedArgumentExpression, LeaveNamedArgumentExpression, namedArgumentExpression);
    }
    
    public event Action<NamedExpression> EnterNamedExpression, LeaveNamedExpression;
    
    void IAstVisitor.VisitNamedExpression(NamedExpression namedExpression)
    {
      Visit(EnterNamedExpression, LeaveNamedExpression, namedExpression);
    }
    
    void IAstVisitor.VisitPatternPlaceholder(AstNode placeholder, PatternMatching.Pattern pattern)
    {
    }
  }
}