Emitter.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / DataWeb / Design / system / Data / EntityModel / Emitters / Emitter.cs / 1305376 / Emitter.cs

                            //---------------------------------------------------------------------- 
// 
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// 
// @owner       [....]
// @backupOwner [....] 
//--------------------------------------------------------------------- 

using System.CodeDom; 

namespace System.Data.EntityModel.Emitters
{
    ///  
    ///
    ///  
    internal abstract class Emitter 
    {
        #region Instance Fields 
        private ClientApiGenerator _generator;
        #endregion

        #region Static Fields 
        private static CodeExpression _nullExpression;
        private static CodeExpression _thisRef; 
 
        /// Name of property used to get StorageContext from an Entity
        private const string EntityGetContextPropertyName = "Context"; 
        /// Name of property used to get StorageContext from a StorageSearcher
        protected const string SearcherGetContextPropertyName = "Context";
        #endregion
 
        #region Protected Methods
        ///  
        /// 
        /// 
        ///  
        protected Emitter(ClientApiGenerator generator)
        {
            Generator = generator;
        } 

        ///  
        /// 
        /// 
        ///  
        /// 
        protected static CodeBinaryOperatorExpression EmitExpressionEqualsNull(CodeExpression expression)
        {
            return new CodeBinaryOperatorExpression(expression, CodeBinaryOperatorType.IdentityEquality, NullExpression); 
        }
 
        protected static CodeBinaryOperatorExpression EmitExpressionDoesNotEqualNull(CodeExpression expression) 
        {
            return new CodeBinaryOperatorExpression(expression, CodeBinaryOperatorType.IdentityInequality, NullExpression); 
        }

        #endregion
 
        #region Protected Properties
        ///  
        /// 
        /// 
        protected static CodeExpression ThisRef 
        {
            get
            {
                if (_thisRef == null) 
                    _thisRef = new CodeThisReferenceExpression();
                return _thisRef; 
            } 
        }
 
        /// 
        ///
        /// 
        internal ClientApiGenerator Generator 
        {
            get 
            { 
                return _generator;
            } 
            private set
            {
                _generator = value;
            } 
        }
 
        protected TypeReference TypeReference 
        {
            get 
            {
                return _generator.TypeReference;
            }
        } 

        protected AttributeEmitter AttributeEmitter 
        { 
            get { return _generator.AttributeEmitter; }
        } 

        protected static CodeExpression NullExpression
        {
            get 
            {
                if (_nullExpression == null) 
                    _nullExpression = new CodePrimitiveExpression(null); 

                return _nullExpression; 

            }
        }
 
        #endregion
    } 
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//---------------------------------------------------------------------- 
// 
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// 
// @owner       [....]
// @backupOwner [....] 
//--------------------------------------------------------------------- 

using System.CodeDom; 

namespace System.Data.EntityModel.Emitters
{
    ///  
    ///
    ///  
    internal abstract class Emitter 
    {
        #region Instance Fields 
        private ClientApiGenerator _generator;
        #endregion

        #region Static Fields 
        private static CodeExpression _nullExpression;
        private static CodeExpression _thisRef; 
 
        /// Name of property used to get StorageContext from an Entity
        private const string EntityGetContextPropertyName = "Context"; 
        /// Name of property used to get StorageContext from a StorageSearcher
        protected const string SearcherGetContextPropertyName = "Context";
        #endregion
 
        #region Protected Methods
        ///  
        /// 
        /// 
        ///  
        protected Emitter(ClientApiGenerator generator)
        {
            Generator = generator;
        } 

        ///  
        /// 
        /// 
        ///  
        /// 
        protected static CodeBinaryOperatorExpression EmitExpressionEqualsNull(CodeExpression expression)
        {
            return new CodeBinaryOperatorExpression(expression, CodeBinaryOperatorType.IdentityEquality, NullExpression); 
        }
 
        protected static CodeBinaryOperatorExpression EmitExpressionDoesNotEqualNull(CodeExpression expression) 
        {
            return new CodeBinaryOperatorExpression(expression, CodeBinaryOperatorType.IdentityInequality, NullExpression); 
        }

        #endregion
 
        #region Protected Properties
        ///  
        /// 
        /// 
        protected static CodeExpression ThisRef 
        {
            get
            {
                if (_thisRef == null) 
                    _thisRef = new CodeThisReferenceExpression();
                return _thisRef; 
            } 
        }
 
        /// 
        ///
        /// 
        internal ClientApiGenerator Generator 
        {
            get 
            { 
                return _generator;
            } 
            private set
            {
                _generator = value;
            } 
        }
 
        protected TypeReference TypeReference 
        {
            get 
            {
                return _generator.TypeReference;
            }
        } 

        protected AttributeEmitter AttributeEmitter 
        { 
            get { return _generator.AttributeEmitter; }
        } 

        protected static CodeExpression NullExpression
        {
            get 
            {
                if (_nullExpression == null) 
                    _nullExpression = new CodePrimitiveExpression(null); 

                return _nullExpression; 

            }
        }
 
        #endregion
    } 
} 

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

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