13a41246dd
At generation time, walk the file's dependencies to see what really contains extensions so we can generate more minimal code that only links together the roots that provided extensions. Gets a bunch of otherwise noop code out of the call flow when the roots are +initialized.
52 lines
2.1 KiB
Protocol Buffer
52 lines
2.1 KiB
Protocol Buffer
// Protocol Buffers - Google's data interchange format
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// Copyright 2016 Google Inc. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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syntax = "proto2";
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package protobuf_unittest;
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import "google/protobuf/unittest.proto";
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import "unittest_extension_chain_b.proto";
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import "unittest_extension_chain_c.proto";
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import "unittest_extension_chain_d.proto";
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// The Root for this file should end up adding the local extension and merging
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// in the extensions from D's Root (unittest and C will come via D's).
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message ChainAMessage {
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optional ChainBMessage b = 1;
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optional ChainCMessage c = 2;
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optional ChainDMessage d = 3;
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}
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extend TestAllExtensions {
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optional int32 chain_a_extension = 10001;
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}
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