Squashed 'third_party/protobuf/' content from commit e35e248
Change-Id: I6cbe123d09fe50fdcad0e51466665daeee7433c7
git-subtree-dir: third_party/protobuf
git-subtree-split: e35e24800fb8d694bdeea5fd63dc7d1b14d68723
diff --git a/src/google/protobuf/compiler/plugin.cc b/src/google/protobuf/compiler/plugin.cc
new file mode 100644
index 0000000..2bebf1f
--- /dev/null
+++ b/src/google/protobuf/compiler/plugin.cc
@@ -0,0 +1,179 @@
+// 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,
+// 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.
+
+// Author: kenton@google.com (Kenton Varda)
+
+#include <google/protobuf/compiler/plugin.h>
+
+#include <iostream>
+#include <set>
+
+#ifdef _WIN32
+#include <io.h>
+#include <fcntl.h>
+#ifndef STDIN_FILENO
+#define STDIN_FILENO 0
+#endif
+#ifndef STDOUT_FILENO
+#define STDOUT_FILENO 1
+#endif
+#else
+#include <unistd.h>
+#endif
+
+#include <google/protobuf/stubs/logging.h>
+#include <google/protobuf/stubs/common.h>
+#include <google/protobuf/compiler/plugin.pb.h>
+#include <google/protobuf/compiler/code_generator.h>
+#include <google/protobuf/descriptor.h>
+#include <google/protobuf/io/zero_copy_stream_impl.h>
+
+
+namespace google {
+namespace protobuf {
+namespace compiler {
+
+class GeneratorResponseContext : public GeneratorContext {
+ public:
+ GeneratorResponseContext(CodeGeneratorResponse* response,
+ const vector<const FileDescriptor*>& parsed_files)
+ : response_(response),
+ parsed_files_(parsed_files) {}
+ virtual ~GeneratorResponseContext() {}
+
+ // implements GeneratorContext --------------------------------------
+
+ virtual io::ZeroCopyOutputStream* Open(const string& filename) {
+ CodeGeneratorResponse::File* file = response_->add_file();
+ file->set_name(filename);
+ return new io::StringOutputStream(file->mutable_content());
+ }
+
+ virtual io::ZeroCopyOutputStream* OpenForInsert(
+ const string& filename, const string& insertion_point) {
+ CodeGeneratorResponse::File* file = response_->add_file();
+ file->set_name(filename);
+ file->set_insertion_point(insertion_point);
+ return new io::StringOutputStream(file->mutable_content());
+ }
+
+ void ListParsedFiles(vector<const FileDescriptor*>* output) {
+ *output = parsed_files_;
+ }
+
+ private:
+ CodeGeneratorResponse* response_;
+ const vector<const FileDescriptor*>& parsed_files_;
+};
+
+int PluginMain(int argc, char* argv[], const CodeGenerator* generator) {
+
+ if (argc > 1) {
+ std::cerr << argv[0] << ": Unknown option: " << argv[1] << std::endl;
+ return 1;
+ }
+
+#ifdef _WIN32
+ _setmode(STDIN_FILENO, _O_BINARY);
+ _setmode(STDOUT_FILENO, _O_BINARY);
+#endif
+
+ CodeGeneratorRequest request;
+ if (!request.ParseFromFileDescriptor(STDIN_FILENO)) {
+ std::cerr << argv[0] << ": protoc sent unparseable request to plugin."
+ << std::endl;
+ return 1;
+ }
+
+ DescriptorPool pool;
+ for (int i = 0; i < request.proto_file_size(); i++) {
+ const FileDescriptor* file = pool.BuildFile(request.proto_file(i));
+ if (file == NULL) {
+ // BuildFile() already wrote an error message.
+ return 1;
+ }
+ }
+
+ vector<const FileDescriptor*> parsed_files;
+ for (int i = 0; i < request.file_to_generate_size(); i++) {
+ parsed_files.push_back(pool.FindFileByName(request.file_to_generate(i)));
+ if (parsed_files.back() == NULL) {
+ std::cerr << argv[0] << ": protoc asked plugin to generate a file but "
+ "did not provide a descriptor for the file: "
+ << request.file_to_generate(i) << std::endl;
+ return 1;
+ }
+ }
+
+ CodeGeneratorResponse response;
+ GeneratorResponseContext context(&response, parsed_files);
+
+ if (generator->HasGenerateAll()) {
+ string error;
+ bool succeeded = generator->GenerateAll(
+ parsed_files, request.parameter(), &context, &error);
+
+ if (!succeeded && error.empty()) {
+ error = "Code generator returned false but provided no error "
+ "description.";
+ }
+ if (!error.empty()) {
+ response.set_error(error);
+ }
+ } else {
+ for (int i = 0; i < parsed_files.size(); i++) {
+ const FileDescriptor* file = parsed_files[i];
+
+ string error;
+ bool succeeded = generator->Generate(
+ file, request.parameter(), &context, &error);
+
+ if (!succeeded && error.empty()) {
+ error = "Code generator returned false but provided no error "
+ "description.";
+ }
+ if (!error.empty()) {
+ response.set_error(file->name() + ": " + error);
+ break;
+ }
+ }
+ }
+
+ if (!response.SerializeToFileDescriptor(STDOUT_FILENO)) {
+ std::cerr << argv[0] << ": Error writing to stdout." << std::endl;
+ return 1;
+ }
+
+ return 0;
+}
+
+} // namespace compiler
+} // namespace protobuf
+} // namespace google