Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Workflow.Activities/Rules/Parser/Exceptions.cs

@@ -0,0 +1,50 @@
+// ---------------------------------------------------------------------------
+// Copyright (C) 2006 Microsoft Corporation All Rights Reserved
+// ---------------------------------------------------------------------------
+
+#define CODE_ANALYSIS
+using System.Diagnostics.CodeAnalysis;
+using System.Runtime.Serialization;
+using System.Security.Permissions;
+
+namespace System.Workflow.Activities.Rules
+{
+    // RuleBuilderSyntaxException contains syntax error information in cases where the RuleBuilder
+    // failed to parse the expression.
+    [Serializable]
+    [SuppressMessage("Microsoft.Design", "CA1064:ExceptionsShouldBePublic")]
+    internal class RuleSyntaxException : SystemException
+    {
+        private int position;
+        private int errorNumber;
+
+        #region Constructors
+        internal RuleSyntaxException()
+        {
+        }
+
+        internal RuleSyntaxException(int errorNumber, string message, int position)
+            : base(message)
+        {
+            this.errorNumber = errorNumber;
+            this.position = position;
+        }
+
+        [SecurityPermissionAttribute(SecurityAction.Demand, SerializationFormatter = true)]
+        private RuleSyntaxException(SerializationInfo serializeInfo, StreamingContext context)
+            : base(serializeInfo, context)
+        {
+        }
+        #endregion
+
+        internal int Position
+        {
+            get { return position; }
+        }
+
+        internal int ErrorNumber
+        {
+            get { return errorNumber; }
+        }
+    }
+}