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Viewing changes to contrib/ICSharpCode.NRefactory.CSharp/Ast/Statements/SwitchStatement.cs

  • Committer: Package Import Robot
  • Author(s): Jo Shields
  • Date: 2013-05-12 09:46:03 UTC
  • mto: This revision was merged to the branch mainline in revision 29.
  • Revision ID: package-import@ubuntu.com-20130512094603-mad323bzcxvmcam0
Tags: upstream-4.0.5+dfsg
ImportĀ upstreamĀ versionĀ 4.0.5+dfsg

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contrib/ICSharpCode.NRefactory.CSharp/Ast/Statements/SwitchStatement.cs
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ļ»æ// 
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// SwitchStatement.cs
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//
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// Author:
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//       Mike KrĆ¼ger <mkrueger@novell.com>
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// 
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// Copyright (c) 2009 Novell, Inc (http://www.novell.com)
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// 
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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// 
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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// 
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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using System.Collections.Generic;
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using System.Linq;
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namespace ICSharpCode.NRefactory.CSharp
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{
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        /// <summary>
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        /// switch (Expression) { SwitchSections }
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        /// </summary>
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        public class SwitchStatement : Statement
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        {
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                public static readonly TokenRole SwitchKeywordRole = new TokenRole ("switch");
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                public static readonly Role<SwitchSection> SwitchSectionRole = new Role<SwitchSection>("SwitchSection");
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                public CSharpTokenNode SwitchToken {
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                        get { return GetChildByRole (SwitchKeywordRole); }
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                }
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                public CSharpTokenNode LParToken {
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                        get { return GetChildByRole (Roles.LPar); }
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                }
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                public Expression Expression {
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                        get { return GetChildByRole (Roles.Expression); }
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                        set { SetChildByRole (Roles.Expression, value); }
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                }
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                public CSharpTokenNode RParToken {
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                        get { return GetChildByRole (Roles.RPar); }
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                }
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                public CSharpTokenNode LBraceToken {
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                        get { return GetChildByRole (Roles.LBrace); }
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                }
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                public AstNodeCollection<SwitchSection> SwitchSections {
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                        get { return GetChildrenByRole (SwitchSectionRole); }
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                }
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                public CSharpTokenNode RBraceToken {
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                        get { return GetChildByRole (Roles.RBrace); }
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                }
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                public override void AcceptVisitor (IAstVisitor visitor)
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                {
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                        visitor.VisitSwitchStatement (this);
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                }
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                public override T AcceptVisitor<T> (IAstVisitor<T> visitor)
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                {
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                        return visitor.VisitSwitchStatement (this);
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                }
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                public override S AcceptVisitor<T, S> (IAstVisitor<T, S> visitor, T data)
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                {
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                        return visitor.VisitSwitchStatement (this, data);
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                }
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                protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
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                {
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                        SwitchStatement o = other as SwitchStatement;
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                        return o != null && this.Expression.DoMatch(o.Expression, match) && this.SwitchSections.DoMatch(o.SwitchSections, match);
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                }
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        }
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        public class SwitchSection : AstNode
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        {
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                #region PatternPlaceholder
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                public static implicit operator SwitchSection(PatternMatching.Pattern pattern)
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                {
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                        return pattern != null ? new PatternPlaceholder(pattern) : null;
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                }
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                sealed class PatternPlaceholder : SwitchSection, PatternMatching.INode
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                {
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                        readonly PatternMatching.Pattern child;
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                        public PatternPlaceholder(PatternMatching.Pattern child)
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                        {
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                                this.child = child;
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                        }
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                        public override NodeType NodeType {
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                                get { return NodeType.Pattern; }
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                        }
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                        public override void AcceptVisitor (IAstVisitor visitor)
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                        {
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                                visitor.VisitPatternPlaceholder(this, child);
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                        }
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                        public override T AcceptVisitor<T> (IAstVisitor<T> visitor)
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                        {
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                                return visitor.VisitPatternPlaceholder(this, child);
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                        }
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                        public override S AcceptVisitor<T, S>(IAstVisitor<T, S> visitor, T data)
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                        {
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                                return visitor.VisitPatternPlaceholder(this, child, data);
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                        }
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                        protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
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                        {
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                                return child.DoMatch(other, match);
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                        }
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                        bool PatternMatching.INode.DoMatchCollection(Role role, PatternMatching.INode pos, PatternMatching.Match match, PatternMatching.BacktrackingInfo backtrackingInfo)
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                        {
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                                return child.DoMatchCollection(role, pos, match, backtrackingInfo);
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                        }
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                }
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                #endregion
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                public static readonly Role<CaseLabel> CaseLabelRole = new Role<CaseLabel>("CaseLabel");
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                public override NodeType NodeType {
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                        get {
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                                return NodeType.Unknown;
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                        }
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                }
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                public AstNodeCollection<CaseLabel> CaseLabels {
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                        get { return GetChildrenByRole (CaseLabelRole); }
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                }
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                public AstNodeCollection<Statement> Statements {
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                        get { return GetChildrenByRole (Roles.EmbeddedStatement); }
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                }
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                public override void AcceptVisitor (IAstVisitor visitor)
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                {
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                        visitor.VisitSwitchSection (this);
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                }
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                public override T AcceptVisitor<T> (IAstVisitor<T> visitor)
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                {
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                        return visitor.VisitSwitchSection (this);
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                }
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                public override S AcceptVisitor<T, S> (IAstVisitor<T, S> visitor, T data)
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                {
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                        return visitor.VisitSwitchSection (this, data);
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                }
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                protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
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                {
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                        SwitchSection o = other as SwitchSection;
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                        return o != null && this.CaseLabels.DoMatch(o.CaseLabels, match) && this.Statements.DoMatch(o.Statements, match);
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                }
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        }
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        public class CaseLabel : AstNode
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        {
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                public static readonly TokenRole CaseKeywordRole = new TokenRole ("case");
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                public static readonly TokenRole DefaultKeywordRole = new TokenRole ("default");
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                public override NodeType NodeType {
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                        get {
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                                return NodeType.Unknown;
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                        }
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                }
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                /// <summary>
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                /// Gets or sets the expression. The expression can be null - if the expression is null, it's the default switch section.
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                /// </summary>
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                public Expression Expression {
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                        get { return GetChildByRole (Roles.Expression); }
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                        set { SetChildByRole (Roles.Expression, value); }
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                }
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                public CSharpTokenNode ColonToken {
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                        get { return GetChildByRole (Roles.Colon); }
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                }
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                public CaseLabel ()
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                {
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                }
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                public CaseLabel (Expression expression)
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                {
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                        this.Expression = expression;
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                }
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                public override void AcceptVisitor (IAstVisitor visitor)
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                {
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                        visitor.VisitCaseLabel (this);
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                }
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                public override T AcceptVisitor<T> (IAstVisitor<T> visitor)
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                {
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                        return visitor.VisitCaseLabel (this);
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                }
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                public override S AcceptVisitor<T, S> (IAstVisitor<T, S> visitor, T data)
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                {
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                        return visitor.VisitCaseLabel (this, data);
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                }
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                protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
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                {
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                        CaseLabel o = other as CaseLabel;
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                        return o != null && this.Expression.DoMatch(o.Expression, match);
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                }
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        }
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}