Update //third_party/protobuf to version 3.

third_party/protobuf/src/google/protobuf/compiler/java/java_shared_code_generator.cc

Index: third_party/protobuf/src/google/protobuf/compiler/java/java_shared_code_generator.cc
diff --git a/third_party/protobuf/src/google/protobuf/compiler/java/java_shared_code_generator.cc b/third_party/protobuf/src/google/protobuf/compiler/java/java_shared_code_generator.cc
new file mode 100644
index 0000000000000000000000000000000000000000..70177367a250761dd074ff6ede9b590e9e0ead2a
--- /dev/null
+++ b/third_party/protobuf/src/google/protobuf/compiler/java/java_shared_code_generator.cc
@@ -0,0 +1,205 @@
+// 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: xiaofeng@google.com (Feng Xiao)
+
+#include <google/protobuf/compiler/java/java_shared_code_generator.h>
+
+#include <memory>
+#ifndef _SHARED_PTR_H
+#include <google/protobuf/stubs/shared_ptr.h>
+#endif
+
+#include <google/protobuf/compiler/java/java_helpers.h>
+#include <google/protobuf/compiler/java/java_name_resolver.h>
+#include <google/protobuf/compiler/code_generator.h>
+#include <google/protobuf/io/printer.h>
+#include <google/protobuf/io/zero_copy_stream.h>
+#include <google/protobuf/descriptor.pb.h>
+#include <google/protobuf/descriptor.h>
+#include <google/protobuf/stubs/strutil.h>
+
+namespace google {
+namespace protobuf {
+namespace compiler {
+namespace java {
+
+SharedCodeGenerator::SharedCodeGenerator(const FileDescriptor* file)
+  : name_resolver_(new ClassNameResolver), file_(file) {
+}
+
+SharedCodeGenerator::~SharedCodeGenerator() {
+}
+
+void SharedCodeGenerator::Generate(GeneratorContext* context,
+                                   vector<string>* file_list) {
+  string java_package = FileJavaPackage(file_);
+  string package_dir = JavaPackageToDir(java_package);
+
+  if (HasDescriptorMethods(file_)) {
+    // Generate descriptors.
+    string classname = name_resolver_->GetDescriptorClassName(file_);
+    string filename = package_dir + classname + ".java";
+    file_list->push_back(filename);
+    google::protobuf::scoped_ptr<io::ZeroCopyOutputStream> output(context->Open(filename));
+    google::protobuf::scoped_ptr<io::Printer> printer(new io::Printer(output.get(), '$'));
+
+    printer->Print(
+      "// Generated by the protocol buffer compiler.  DO NOT EDIT!\n"
+      "// source: $filename$\n"
+      "\n",
+      "filename", file_->name());
+    if (!java_package.empty()) {
+      printer->Print(
+        "package $package$;\n"
+        "\n",
+        "package", java_package);
+    }
+    printer->Print(
+      "public final class $classname$ {\n"
+      "  public static com.google.protobuf.Descriptors.FileDescriptor\n"
+      "      descriptor;\n"
+      "  static {\n",
+      "classname", classname);
+    printer->Indent();
+    printer->Indent();
+    GenerateDescriptors(printer.get());
+    printer->Outdent();
+    printer->Outdent();
+    printer->Print(
+      "  }\n"
+      "}\n");
+
+    printer.reset();
+    output.reset();
+  }
+}
+
+
+void SharedCodeGenerator::GenerateDescriptors(io::Printer* printer) {
+  // Embed the descriptor.  We simply serialize the entire FileDescriptorProto
+  // and embed it as a string literal, which is parsed and built into real
+  // descriptors at initialization time.  We unfortunately have to put it in
+  // a string literal, not a byte array, because apparently using a literal
+  // byte array causes the Java compiler to generate *instructions* to
+  // initialize each and every byte of the array, e.g. as if you typed:
+  //   b[0] = 123; b[1] = 456; b[2] = 789;
+  // This makes huge bytecode files and can easily hit the compiler's internal
+  // code size limits (error "code to large").  String literals are apparently
+  // embedded raw, which is what we want.
+  FileDescriptorProto file_proto;
+  file_->CopyTo(&file_proto);
+
+
+  string file_data;
+  file_proto.SerializeToString(&file_data);
+
+  printer->Print(
+    "java.lang.String[] descriptorData = {\n");
+  printer->Indent();
+
+  // Only write 40 bytes per line.
+  static const int kBytesPerLine = 40;
+  for (int i = 0; i < file_data.size(); i += kBytesPerLine) {
+    if (i > 0) {
+      // Every 400 lines, start a new string literal, in order to avoid the
+      // 64k length limit.
+      if (i % 400 == 0) {
+        printer->Print(",\n");
+      } else {
+        printer->Print(" +\n");
+      }
+    }
+    printer->Print("\"$data$\"",
+      "data", CEscape(file_data.substr(i, kBytesPerLine)));
+  }
+
+  printer->Outdent();
+  printer->Print("\n};\n");
+
+  // -----------------------------------------------------------------
+  // Create the InternalDescriptorAssigner.
+
+  printer->Print(
+    "com.google.protobuf.Descriptors.FileDescriptor."
+    "InternalDescriptorAssigner assigner =\n"
+    "    new com.google.protobuf.Descriptors.FileDescriptor."
+    "    InternalDescriptorAssigner() {\n"
+    "      public com.google.protobuf.ExtensionRegistry assignDescriptors(\n"
+    "          com.google.protobuf.Descriptors.FileDescriptor root) {\n"
+    "        descriptor = root;\n"
+    // Custom options will be handled when immutable messages' outer class is
+    // loaded. Here we just return null and let custom options be unknown
+    // fields.
+    "        return null;\n"
+    "      }\n"
+    "    };\n");
+
+  // -----------------------------------------------------------------
+  // Find out all dependencies.
+  vector<pair<string, string> > dependencies;
+  for (int i = 0; i < file_->dependency_count(); i++) {
+    if (ShouldIncludeDependency(file_->dependency(i))) {
+      string filename = file_->dependency(i)->name();
+      string classname = FileJavaPackage(file_->dependency(i)) + "." +
+                         name_resolver_->GetDescriptorClassName(
+                             file_->dependency(i));
+      dependencies.push_back(std::make_pair(filename, classname));
+    }
+  }
+
+  // -----------------------------------------------------------------
+  // Invoke internalBuildGeneratedFileFrom() to build the file.
+  printer->Print(
+    "com.google.protobuf.Descriptors.FileDescriptor\n"
+    "  .internalBuildGeneratedFileFrom(descriptorData,\n");
+  printer->Print(
+    "    new com.google.protobuf.Descriptors.FileDescriptor[] {\n");
+
+  for (int i = 0; i < dependencies.size(); i++) {
+    const string& dependency = dependencies[i].second;
+    printer->Print(
+        "      $dependency$.getDescriptor(),\n",
+        "dependency", dependency);
+  }
+
+  printer->Print(
+    "    }, assigner);\n");
+}
+
+bool SharedCodeGenerator::ShouldIncludeDependency(
+    const FileDescriptor* descriptor) {
+  return true;
+}
+
+}  // namespace java
+}  // namespace compiler
+}  // namespace protobuf
+}  // namespace google