Initial commit
[mono.git] / mcs / class / referencesource / System.Xml / System / Xml / XPath / Internal / AstNode.cs
1 //------------------------------------------------------------------------------
2 // <copyright file="AstNode.cs" company="Microsoft">
3 //     Copyright (c) Microsoft Corporation.  All rights reserved.
4 // </copyright>                                                                
5 // <owner current="true" primary="true">[....]</owner>
6 //------------------------------------------------------------------------------
7
8 namespace MS.Internal.Xml.XPath {
9     using System;
10     using System.Xml.XPath;
11
12     internal abstract class AstNode {
13         public enum AstType {
14             Axis            ,
15             Operator        ,
16             Filter          ,
17             ConstantOperand ,
18             Function        ,
19             Group           ,
20             Root            ,
21             Variable        ,        
22             Error           
23         };
24
25         public abstract AstType Type { get; }
26         public abstract XPathResultType ReturnType { get; }
27     }
28 }