csharp/src/Google.Protobuf/Reflection/PartialClasses.cs

#region Copyright notice and license
// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc.  All rights reserved.
// https://developers.google.com/protocol-buffers/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//     * 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.
//     * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "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 COPYRIGHT
// OWNER OR CONTRIBUTORS 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,
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#endregion

// This file just contains partial classes for any autogenerated classes that need additional support.
namespace Google.Protobuf.Reflection
{
    internal partial class FieldDescriptorProto
    {
        // We can't tell the difference between "explicitly set to 0" and "not set"
        // in proto3, but we need to tell the difference for OneofIndex. descriptor.proto
        // is really a proto2 file, but the runtime doesn't know about proto2 semantics...
        // We fake it by defaulting to -1.
        partial void OnConstruction()
        {
            OneofIndex = -1;
        }
    }

    internal partial class FieldOptions
    {
        // We can't tell the difference between "explicitly set to false" and "not set"
        // in proto3, but we need to tell the difference for FieldDescriptor.IsPacked.
        // This won't work if we ever need to support proto2, but at that point we'll be
        // able to remove this hack and use field presence instead. 
        partial void OnConstruction()
        {
            Packed = true;
        }
    }
}