AncillaryOps.cs source code in C# .NET

                        Code:
                         / Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / ndp / fx / src / DataEntity / System / Data / Query / InternalTrees / AncillaryOps.cs / 1 / AncillaryOps.cs
                        
                        
                            //---------------------------------------------------------------------- 
// 
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// 
// @owner  [....], [....]
//--------------------------------------------------------------------- 
 
using System;
using System.Collections.Generic; 
using System.Diagnostics;
using System.Globalization;

namespace System.Data.Query.InternalTrees 
{
    ///  
    /// A definition of a variable 
    /// 
    internal sealed class VarDefOp : AncillaryOp 
    {
        #region private state
        private Var m_var;
        #endregion 

        #region constructors 
        internal VarDefOp(Var v) : this() 
        {
            m_var = v; 
        }
        private VarDefOp() : base(OpType.VarDef) { }
        #endregion
 
        #region public methods
        internal static readonly VarDefOp Pattern = new VarDefOp(); 
 
        /// 
        /// 1 child - the defining expression 
        /// 
        internal override int Arity { get { return 1; } }

        ///  
        /// The Var being defined
        ///  
        internal Var Var { get { return m_var; } } 

        ///  
        /// Visitor pattern method
        /// 
        /// The BasicOpVisitor that is visiting this Op
        /// The Node that references this Op 
        [DebuggerNonUserCode]
        internal override void Accept(BasicOpVisitor v, Node n) { v.Visit(this, n); } 
 
        /// 
        /// Visitor pattern method for visitors with a return value 
        /// 
        /// The visitor
        /// The node in question
        /// An instance of TResultType 
        [DebuggerNonUserCode]
        internal override TResultType Accept(BasicOpVisitorOfT v, Node n) { return v.Visit(this, n); } 
        #endregion 
    }
 
    /// 
    /// Helps define a list of VarDefOp
    /// 
    internal sealed class VarDefListOp : AncillaryOp 
    {
        #region constructors 
        private VarDefListOp() : base(OpType.VarDefList) { } 
        #endregion
 
        #region public methods
        /// 
        /// singleton instance
        ///  
        internal static readonly VarDefListOp Instance = new VarDefListOp();
        internal static readonly VarDefListOp Pattern = Instance; 
 
        /// 
        /// Visitor pattern method 
        /// 
        /// The BasicOpVisitor that is visiting this Op
        /// The Node that references this Op
        [DebuggerNonUserCode] 
        internal override void Accept(BasicOpVisitor v, Node n) { v.Visit(this, n); }
 
        ///  
        /// Visitor pattern method for visitors with a return value
        ///  
        /// The visitor
        /// The node in question
        /// An instance of TResultType
        [DebuggerNonUserCode] 
        internal override TResultType Accept(BasicOpVisitorOfT v, Node n) { return v.Visit(this, n); }
        #endregion 
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//---------------------------------------------------------------------- 
// 
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// 
// @owner  [....], [....]
//--------------------------------------------------------------------- 
 
using System;
using System.Collections.Generic; 
using System.Diagnostics;
using System.Globalization;

namespace System.Data.Query.InternalTrees 
{
    ///  
    /// A definition of a variable 
    /// 
    internal sealed class VarDefOp : AncillaryOp 
    {
        #region private state
        private Var m_var;
        #endregion 

        #region constructors 
        internal VarDefOp(Var v) : this() 
        {
            m_var = v; 
        }
        private VarDefOp() : base(OpType.VarDef) { }
        #endregion
 
        #region public methods
        internal static readonly VarDefOp Pattern = new VarDefOp(); 
 
        /// 
        /// 1 child - the defining expression 
        /// 
        internal override int Arity { get { return 1; } }

        ///  
        /// The Var being defined
        ///  
        internal Var Var { get { return m_var; } } 

        ///  
        /// Visitor pattern method
        /// 
        /// The BasicOpVisitor that is visiting this Op
        /// The Node that references this Op 
        [DebuggerNonUserCode]
        internal override void Accept(BasicOpVisitor v, Node n) { v.Visit(this, n); } 
 
        /// 
        /// Visitor pattern method for visitors with a return value 
        /// 
        /// The visitor
        /// The node in question
        /// An instance of TResultType 
        [DebuggerNonUserCode]
        internal override TResultType Accept(BasicOpVisitorOfT v, Node n) { return v.Visit(this, n); } 
        #endregion 
    }
 
    /// 
    /// Helps define a list of VarDefOp
    /// 
    internal sealed class VarDefListOp : AncillaryOp 
    {
        #region constructors 
        private VarDefListOp() : base(OpType.VarDefList) { } 
        #endregion
 
        #region public methods
        /// 
        /// singleton instance
        ///  
        internal static readonly VarDefListOp Instance = new VarDefListOp();
        internal static readonly VarDefListOp Pattern = Instance; 
 
        /// 
        /// Visitor pattern method 
        /// 
        /// The BasicOpVisitor that is visiting this Op
        /// The Node that references this Op
        [DebuggerNonUserCode] 
        internal override void Accept(BasicOpVisitor v, Node n) { v.Visit(this, n); }
 
        ///  
        /// Visitor pattern method for visitors with a return value
        ///  
        /// The visitor
        /// The node in question
        /// An instance of TResultType
        [DebuggerNonUserCode] 
        internal override TResultType Accept(BasicOpVisitorOfT v, Node n) { return v.Visit(this, n); }
        #endregion 
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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