From 47b7d2c7cadf74ceec90fc5042232819cd0dd557 Mon Sep 17 00:00:00 2001
From: Jon Skeet <jonskeet@google.com>
Date: Wed, 3 Jan 2018 09:57:58 +0000
Subject: Add DiscardUnknownFields support for C#

By default, unknown fields are preserved when parsing. To discard
them, use a parser configured to do so:

var parser = MyMessage.Parser.WithDiscardUnknownFields(true);
---
 csharp/src/Google.Protobuf/CodedInputStream.cs | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'csharp/src/Google.Protobuf/CodedInputStream.cs')

diff --git a/csharp/src/Google.Protobuf/CodedInputStream.cs b/csharp/src/Google.Protobuf/CodedInputStream.cs
index 24d436c0..6bee238f 100644
--- a/csharp/src/Google.Protobuf/CodedInputStream.cs
+++ b/csharp/src/Google.Protobuf/CodedInputStream.cs
@@ -267,6 +267,11 @@ namespace Google.Protobuf
         /// </value>
         public int RecursionLimit { get { return recursionLimit; } }
 
+        /// <summary>
+        /// Internal-only property; when set to true, unknown fields will be discarded while parsing.
+        /// </summary>
+        internal bool DiscardUnknownFields { get; set; }
+
         /// <summary>
         /// Disposes of this instance, potentially closing any underlying stream.
         /// </summary>
-- 
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