Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Data.Entity/System/Data/Common/EntitySql/ParseResult.cs

@@ -0,0 +1,88 @@
+//---------------------------------------------------------------------
+// <copyright file="ParseResult.cs" company="Microsoft">
+//      Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+//
+// @owner [....]
+// @backupOwner [....]
+//---------------------------------------------------------------------
+
+namespace System.Data.Common.EntitySql
+{
+    using System.Collections.Generic;
+    using System.Data.Common.CommandTrees;
+    using System.Data.Common.EntitySql;
+    using System.Data.Common.Utils;
+    using System.Data.Metadata.Edm;
+    using System.Diagnostics;
+
+    /// <summary>
+    /// Entity SQL Parser result information.
+    /// </summary>
+    public sealed class ParseResult
+    {
+        private readonly DbCommandTree _commandTree;
+        private readonly System.Collections.ObjectModel.ReadOnlyCollection<FunctionDefinition> _functionDefs;
+
+        internal ParseResult(DbCommandTree commandTree, List<FunctionDefinition> functionDefs)
+        {
+            EntityUtil.CheckArgumentNull(commandTree, "commandTree");
+            EntityUtil.CheckArgumentNull(functionDefs, "functionDefs");
+
+            this._commandTree = commandTree;
+            this._functionDefs = functionDefs.AsReadOnly();
+        }
+
+        /// <summary>
+        /// A command tree produced during parsing.
+        /// </summary>
+        public DbCommandTree CommandTree { get { return _commandTree; } }
+
+        /// <summary>
+        /// List of <see cref="FunctionDefinition"/> objects describing query inline function definitions.
+        /// </summary>
+        public System.Collections.ObjectModel.ReadOnlyCollection<FunctionDefinition> FunctionDefinitions { get { return this._functionDefs; } }
+    }
+
+    /// <summary>
+    /// Entity SQL query inline function definition, returned as a part of <see cref="ParseResult"/>.
+    /// </summary>
+    public sealed class FunctionDefinition
+    {
+        private readonly string _name;
+        private readonly DbLambda _lambda;
+        private readonly int _startPosition;
+        private readonly int _endPosition;
+
+        internal FunctionDefinition(string name, DbLambda lambda, int startPosition, int endPosition)
+        {
+            Debug.Assert(name != null, "name can not be null");
+            Debug.Assert(lambda != null, "lambda cannot be null");
+
+            this._name = name;
+            this._lambda = lambda;
+            this._startPosition = startPosition;
+            this._endPosition = endPosition;
+        }
+
+        /// <summary>
+        /// Function name.
+        /// </summary>
+        public string Name { get { return this._name; } }
+
+        /// <summary>
+        /// Function body and parameters.
+        /// </summary>
+        public DbLambda Lambda { get { return this._lambda; } }
+
+        /// <summary>
+        /// Start position of the function definition in the eSQL query text.
+        /// </summary>
+        public int StartPosition { get { return this._startPosition; } }
+
+        /// <summary>
+        /// End position of the function definition in the eSQL query text.
+        /// </summary>
+        public int EndPosition { get { return this._endPosition; } }
+    }
+}