1 files changed, 109 insertions, 0 deletions
diff --git a/runtime/CSharp3/Sources/Antlr3.Runtime/UnwantedTokenException.cs b/runtime/CSharp3/Sources/Antlr3.Runtime/UnwantedTokenException.cs
new file mode 100644
index 0000000..89b3481
--- /dev/null
+++ b/runtime/CSharp3/Sources/Antlr3.Runtime/UnwantedTokenException.cs
@@ -0,0 +1,109 @@
+/*
+ * [The "BSD licence"]
+ * Copyright (c) 2005-2008 Terence Parr
+ * All rights reserved.
+ *
+ * Conversion to C#:
+ * Copyright (c) 2008-2009 Sam Harwell, Pixel Mine, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+namespace Antlr.Runtime
+{
+    using System.Collections.Generic;
+    using Exception = System.Exception;
+    using SerializationInfo = System.Runtime.Serialization.SerializationInfo;
+    using StreamingContext = System.Runtime.Serialization.StreamingContext;
+
+    /** <summary>An extra token while parsing a TokenStream</summary> */
+    [System.Serializable]
+    public class UnwantedTokenException : MismatchedTokenException
+    {
+        public UnwantedTokenException()
+        {
+        }
+
+        public UnwantedTokenException(string message)
+            : base(message)
+        {
+        }
+
+        public UnwantedTokenException(string message, Exception innerException)
+            : base(message, innerException)
+        {
+        }
+
+        public UnwantedTokenException(int expecting, IIntStream input)
+            : base(expecting, input)
+        {
+        }
+
+        public UnwantedTokenException(int expecting, IIntStream input, IList<string> tokenNames)
+            : base(expecting, input, tokenNames)
+        {
+        }
+
+        public UnwantedTokenException(string message, int expecting, IIntStream input, IList<string> tokenNames)
+            : base(message, expecting, input, tokenNames)
+        {
+        }
+
+        public UnwantedTokenException(string message, int expecting, IIntStream input, IList<string> tokenNames, Exception innerException)
+            : base(message, expecting, input, tokenNames, innerException)
+        {
+        }
+
+        protected UnwantedTokenException(SerializationInfo info, StreamingContext context)
+            : base(info, context)
+        {
+        }
+
+        public virtual IToken UnexpectedToken
+        {
+            get
+            {
+                return Token;
+            }
+        }
+
+        public override string ToString()
+        {
+            //int unexpectedType = getUnexpectedType();
+            //string unexpected = ( tokenNames != null && unexpectedType >= 0 && unexpectedType < tokenNames.Length ) ? tokenNames[unexpectedType] : unexpectedType.ToString();
+            string expected = (TokenNames != null && Expecting >= 0 && Expecting < TokenNames.Count) ? TokenNames[Expecting] : Expecting.ToString();
+
+            string exp = ", expected " + expected;
+            if (Expecting == TokenTypes.Invalid)
+            {
+                exp = "";
+            }
+            if (Token == null)
+            {
+                return "UnwantedTokenException(found=" + null + exp + ")";
+            }
+            return "UnwantedTokenException(found=" + Token.Text + exp + ")";
+        }
+    }
+}