Move managed parser into its own project (test code coverage) (#774)

* Created New ManagedBatchParser project in .NetStandard

* Addressing PR Comments

* Resolve 'No Repository' warning.

* Move batch parser tests to integrations test project

* Fix SLN file

src/Microsoft.SqlTools.ManagedBatchParser/BatchParser/BatchParserException.cs

@@ -0,0 +1,48 @@
+//
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+//
+
+using System;
+
+namespace Microsoft.SqlTools.ServiceLayer.BatchParser
+{
+    public sealed class BatchParserException : Exception
+    {
+        const string ErrorCodeName = "ErrorCode";
+        const string BeginName = "Begin";
+        const string EndName = "End";
+        const string TextName = "Text";
+        const string TokenTypeName = "TokenType";
+
+        ErrorCode errorCode;
+        PositionStruct begin;
+        PositionStruct end;
+        string text;
+        LexerTokenType tokenType;
+
+        /// <summary>
+        /// Class for a custom exception for the Batch Parser
+        /// </summary>
+        public BatchParserException(ErrorCode errorCode, Token token, string message)
+            : base(message)
+        {
+            this.errorCode = errorCode;
+            begin = token.Begin;
+            end = token.End;
+            text = token.Text;
+            tokenType = token.TokenType;
+        }
+
+        public ErrorCode ErrorCode { get { return errorCode; } }
+
+        public PositionStruct Begin { get { return begin; } }
+
+        public PositionStruct End { get { return end; } }
+
+        public string Text { get { return text; } }
+
+        public LexerTokenType TokenType { get { return tokenType; } }
+
+    }
+}