7 changed files with 202 additions and 41 deletions
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// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
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// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
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using System; |
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using System.Collections.Generic; |
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namespace ICSharpCode.NRefactory.VB.Ast |
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{ |
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public class QueryExpression : Expression |
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{ |
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public AstNodeCollection<QueryOperator> QueryOperators { |
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get { return GetChildrenByRole(QueryOperator.QueryOperatorRole); } |
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} |
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protected internal override bool DoMatch(AstNode other, ICSharpCode.NRefactory.PatternMatching.Match match) |
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{ |
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throw new NotImplementedException(); |
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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.VisitQueryExpression(this, data); |
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} |
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} |
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public abstract class QueryOperator : AstNode |
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{ |
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#region Null
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public new static readonly QueryOperator Null = new NullQueryOperator(); |
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sealed class NullQueryOperator : QueryOperator |
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{ |
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public override bool IsNull { |
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get { |
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return true; |
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} |
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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 default (S); |
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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 other == null || other.IsNull; |
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} |
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} |
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#endregion
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public static readonly Role<QueryOperator> QueryOperatorRole = new Role<QueryOperator>("QueryOperator", QueryOperator.Null); |
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} |
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public class FromQueryOperator : QueryOperator |
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{ |
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protected internal override bool DoMatch(AstNode other, ICSharpCode.NRefactory.PatternMatching.Match match) |
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{ |
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throw new NotImplementedException(); |
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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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throw new NotImplementedException(); |
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} |
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} |
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} |
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