Update protobuf to 3.21.2

a628f0376085fcf46dc6d24629f2a7dacb91ae79

1 files changed, 300 insertions, 0 deletions

diff --git a/contrib/libs/protoc/src/google/protobuf/compiler/cpp/generator.cc b/contrib/libs/protoc/src/google/protobuf/compiler/cpp/generator.cc
new file mode 100644
index 00000000000..0da2027a1e6
--- /dev/null
+++ b/contrib/libs/protoc/src/google/protobuf/compiler/cpp/generator.cc
@@ -0,0 +1,300 @@
+// 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: [email protected] (Kenton Varda)
+//  Based on original Protocol Buffers design by
+//  Sanjay Ghemawat, Jeff Dean, and others.
+
+#include <google/protobuf/compiler/cpp/generator.h>
+
+#include <memory>
+#include <string>
+#include <utility>
+#include <vector>
+
+#include <google/protobuf/stubs/strutil.h>
+#include <google/protobuf/io/printer.h>
+#include <google/protobuf/io/zero_copy_stream.h>
+#include <google/protobuf/compiler/cpp/file.h>
+#include <google/protobuf/compiler/cpp/helpers.h>
+#include <google/protobuf/descriptor.pb.h>
+
+namespace google {
+namespace protobuf {
+namespace compiler {
+namespace cpp {
+
+CppGenerator::CppGenerator() {}
+CppGenerator::~CppGenerator() {}
+
+namespace {
+TProtoStringType NumberedCcFileName(const TProtoStringType& basename, int number) {
+  return StrCat(basename, ".out/", number, ".cc");
+}
+}  // namespace
+
+bool CppGenerator::Generate(const FileDescriptor* file,
+                            const TProtoStringType& parameter,
+                            GeneratorContext* generator_context,
+                            TProtoStringType* error) const {
+  std::vector<std::pair<TProtoStringType, TProtoStringType> > options;
+  ParseGeneratorParameter(parameter, &options);
+
+  // -----------------------------------------------------------------
+  // parse generator options
+
+  // If the dllexport_decl option is passed to the compiler, we need to write
+  // it in front of every symbol that should be exported if this .proto is
+  // compiled into a Windows DLL.  E.g., if the user invokes the protocol
+  // compiler as:
+  //   protoc --cpp_out=dllexport_decl=FOO_EXPORT:outdir foo.proto
+  // then we'll define classes like this:
+  //   class FOO_EXPORT Foo {
+  //     ...
+  //   }
+  // FOO_EXPORT is a macro which should expand to __declspec(dllexport) or
+  // __declspec(dllimport) depending on what is being compiled.
+  //
+  // If the proto_h option is passed to the compiler, we will generate all
+  // classes and enums so that they can be forward-declared from files that
+  // need them from imports.
+  //
+  // If the lite option is passed to the compiler, we will generate the
+  // current files and all transitive dependencies using the LITE runtime.
+  Options file_options;
+
+  file_options.opensource_runtime = opensource_runtime_;
+  file_options.runtime_include_base = runtime_include_base_;
+
+  for (int i = 0; i < options.size(); i++) {
+    if (options[i].first == "dllexport_decl") {
+      file_options.dllexport_decl = options[i].second;
+    } else if (options[i].first == "safe_boundary_check") {
+      file_options.safe_boundary_check = true;
+    } else if (options[i].first == "annotate_headers") {
+      file_options.annotate_headers = true;
+    } else if (options[i].first == "annotation_pragma_name") {
+      file_options.annotation_pragma_name = options[i].second;
+    } else if (options[i].first == "annotation_guard_name") {
+      file_options.annotation_guard_name = options[i].second;
+    } else if (options[i].first == "speed") {
+      file_options.enforce_mode = EnforceOptimizeMode::kSpeed;
+    } else if (options[i].first == "code_size") {
+      file_options.enforce_mode = EnforceOptimizeMode::kCodeSize;
+    } else if (options[i].first == "lite") {
+      file_options.enforce_mode = EnforceOptimizeMode::kLiteRuntime;
+    } else if (options[i].first == "lite_implicit_weak_fields") {
+      file_options.enforce_mode = EnforceOptimizeMode::kLiteRuntime;
+      file_options.lite_implicit_weak_fields = true;
+      if (!options[i].second.empty()) {
+        file_options.num_cc_files =
+            strto32(options[i].second.c_str(), nullptr, 10);
+      }
+    } else if (options[i].first == "proto_h") {
+      file_options.proto_h = true;
+    } else if (options[i].first == "annotate_accessor") {
+      file_options.annotate_accessor = true;
+    } else if (options[i].first == "inject_field_listener_events") {
+      file_options.field_listener_options.inject_field_listener_events = true;
+    } else if (options[i].first == "forbidden_field_listener_events") {
+      std::size_t pos = 0;
+      do {
+        std::size_t next_pos = options[i].second.find_first_of("+", pos);
+        if (next_pos == TProtoStringType::npos) {
+          next_pos = options[i].second.size();
+        }
+        if (next_pos > pos)
+          file_options.field_listener_options.forbidden_field_listener_events
+              .insert(options[i].second.substr(pos, next_pos - pos));
+        pos = next_pos + 1;
+      } while (pos < options[i].second.size());
+    } else if (options[i].first == "verified_lazy") {
+      file_options.unverified_lazy = false;
+    } else if (options[i].first == "unverified_lazy_message_sets") {
+      file_options.unverified_lazy_message_sets = true;
+    } else if (options[i].first == "message_owned_arena_trial") {
+      file_options.message_owned_arena_trial = true;
+    } else if (options[i].first == "force_eagerly_verified_lazy") {
+      file_options.force_eagerly_verified_lazy = true;
+    } else if (options[i].first == "experimental_tail_call_table_mode") {
+      if (options[i].second == "never") {
+        file_options.tctable_mode = Options::kTCTableNever;
+      } else if (options[i].second == "guarded") {
+        file_options.tctable_mode = Options::kTCTableGuarded;
+      } else if (options[i].second == "always") {
+        file_options.tctable_mode = Options::kTCTableAlways;
+      } else {
+        *error = "Unknown value for experimental_tail_call_table_mode: " +
+                 options[i].second;
+        return false;
+      }
+    } else if (options[i].first == "transitive_pb_h") {
+      file_options.transitive_pb_h = options[i].second != "false";
+    } else {
+      *error = "Unknown generator option: " + options[i].first;
+      return false;
+    }
+  }
+
+  // The safe_boundary_check option controls behavior for Google-internal
+  // protobuf APIs.
+  if (file_options.safe_boundary_check && file_options.opensource_runtime) {
+    *error =
+        "The safe_boundary_check option is not supported outside of Google.";
+    return false;
+  }
+
+  // -----------------------------------------------------------------
+
+
+  TProtoStringType basename = StripProto(file->name());
+
+  if (MaybeBootstrap(file_options, generator_context, file_options.bootstrap,
+                     &basename)) {
+    return true;
+  }
+
+  FileGenerator file_generator(file, file_options);
+
+  // Generate header(s).
+  if (file_options.proto_h) {
+    std::unique_ptr<io::ZeroCopyOutputStream> output(
+        generator_context->Open(basename + ".proto.h"));
+    GeneratedCodeInfo annotations;
+    io::AnnotationProtoCollector<GeneratedCodeInfo> annotation_collector(
+        &annotations);
+    TProtoStringType info_path = basename + ".proto.h.meta";
+    io::Printer printer(
+        output.get(), '$',
+        file_options.annotate_headers ? &annotation_collector : nullptr);
+    file_generator.GenerateProtoHeader(
+        &printer, file_options.annotate_headers ? info_path : "");
+    if (file_options.annotate_headers) {
+      std::unique_ptr<io::ZeroCopyOutputStream> info_output(
+          generator_context->Open(info_path));
+      annotations.SerializeToZeroCopyStream(info_output.get());
+    }
+  }
+
+  {
+    std::unique_ptr<io::ZeroCopyOutputStream> output(
+        generator_context->Open(basename + ".pb.h"));
+    GeneratedCodeInfo annotations;
+    io::AnnotationProtoCollector<GeneratedCodeInfo> annotation_collector(
+        &annotations);
+    TProtoStringType info_path = basename + ".pb.h.meta";
+    io::Printer printer(
+        output.get(), '$',
+        file_options.annotate_headers ? &annotation_collector : nullptr);
+    file_generator.GeneratePBHeader(
+        &printer, file_options.annotate_headers ? info_path : "");
+    if (file_options.annotate_headers) {
+      std::unique_ptr<io::ZeroCopyOutputStream> info_output(
+          generator_context->Open(info_path));
+      annotations.SerializeToZeroCopyStream(info_output.get());
+    }
+  }
+
+  if (!file_options.transitive_pb_h) {
+    std::unique_ptr<io::ZeroCopyOutputStream> output(
+        generator_context->Open(basename + ".deps.pb.h"));
+    GeneratedCodeInfo annotations;
+    io::AnnotationProtoCollector<GeneratedCodeInfo> annotation_collector(
+        &annotations);
+    TProtoStringType info_path = basename + ".deps.pb.h.meta";
+    io::Printer printer(
+        output.get(), '$',
+        file_options.annotate_headers ? &annotation_collector : NULL);
+    file_generator.GeneratePBDeps(
+        &printer, file_options.annotate_headers ? info_path : "");
+    if (file_options.annotate_headers) {
+      std::unique_ptr<io::ZeroCopyOutputStream> info_output(
+          generator_context->Open(info_path));
+      annotations.SerializeToZeroCopyStream(info_output.get());
+    }
+  }
+
+  // Generate cc file(s).
+  if (UsingImplicitWeakFields(file, file_options)) {
+    {
+      // This is the global .cc file, containing
+      // enum/services/tables/reflection
+      std::unique_ptr<io::ZeroCopyOutputStream> output(
+          generator_context->Open(basename + ".pb.cc"));
+      io::Printer printer(output.get(), '$');
+      file_generator.GenerateGlobalSource(&printer);
+    }
+
+    int num_cc_files =
+        file_generator.NumMessages() + file_generator.NumExtensions();
+
+    // If we're using implicit weak fields then we allow the user to
+    // optionally specify how many files to generate, not counting the global
+    // pb.cc file. If we have more files than messages, then some files will
+    // be generated as empty placeholders.
+    if (file_options.num_cc_files > 0) {
+      GOOGLE_CHECK_LE(num_cc_files, file_options.num_cc_files)
+          << "There must be at least as many numbered .cc files as messages "
+             "and extensions.";
+      num_cc_files = file_options.num_cc_files;
+    }
+    int cc_file_number = 0;
+    for (int i = 0; i < file_generator.NumMessages(); i++) {
+      std::unique_ptr<io::ZeroCopyOutputStream> output(generator_context->Open(
+          NumberedCcFileName(basename, cc_file_number++)));
+      io::Printer printer(output.get(), '$');
+      file_generator.GenerateSourceForMessage(i, &printer);
+    }
+    for (int i = 0; i < file_generator.NumExtensions(); i++) {
+      std::unique_ptr<io::ZeroCopyOutputStream> output(generator_context->Open(
+          NumberedCcFileName(basename, cc_file_number++)));
+      io::Printer printer(output.get(), '$');
+      file_generator.GenerateSourceForExtension(i, &printer);
+    }
+    // Create empty placeholder files if necessary to match the expected number
+    // of files.
+    for (; cc_file_number < num_cc_files; ++cc_file_number) {
+      std::unique_ptr<io::ZeroCopyOutputStream> output(generator_context->Open(
+          NumberedCcFileName(basename, cc_file_number)));
+    }
+  } else {
+    std::unique_ptr<io::ZeroCopyOutputStream> output(
+        generator_context->Open(basename + ".pb.cc"));
+    io::Printer printer(output.get(), '$');
+    file_generator.GenerateSource(&printer);
+  }
+
+  return true;
+}
+
+}  // namespace cpp
+}  // namespace compiler
+}  // namespace protobuf
+}  // namespace google