Update protobuf to 3.21.2

a628f0376085fcf46dc6d24629f2a7dacb91ae79

1 files changed, 232 insertions, 0 deletions

diff --git a/contrib/libs/protoc/src/google/protobuf/compiler/cpp/message.h b/contrib/libs/protoc/src/google/protobuf/compiler/cpp/message.h
new file mode 100644
index 0000000000..960bea8e5a
--- /dev/null
+++ b/contrib/libs/protoc/src/google/protobuf/compiler/cpp/message.h
@@ -0,0 +1,232 @@
+// 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)
+//  Based on original Protocol Buffers design by
+//  Sanjay Ghemawat, Jeff Dean, and others.
+
+#ifndef GOOGLE_PROTOBUF_COMPILER_CPP_MESSAGE_H__
+#define GOOGLE_PROTOBUF_COMPILER_CPP_MESSAGE_H__
+
+#include <cstdint>
+#include <memory>
+#include <set>
+#include <string>
+
+#include <google/protobuf/compiler/cpp/field.h>
+#include <google/protobuf/compiler/cpp/helpers.h>
+#include <google/protobuf/compiler/cpp/message_layout_helper.h>
+#include <google/protobuf/compiler/cpp/options.h>
+#include <google/protobuf/compiler/cpp/parse_function_generator.h>
+
+namespace google {
+namespace protobuf {
+namespace io {
+class Printer;  // printer.h
+}
+}  // namespace protobuf
+}  // namespace google
+
+namespace google {
+namespace protobuf {
+namespace compiler {
+namespace cpp {
+
+class EnumGenerator;       // enum.h
+class ExtensionGenerator;  // extension.h
+
+class MessageGenerator {
+ public:
+  // See generator.cc for the meaning of dllexport_decl.
+  MessageGenerator(const Descriptor* descriptor,
+                   const std::map<TProtoStringType, TProtoStringType>& vars,
+                   int index_in_file_messages, const Options& options,
+                   MessageSCCAnalyzer* scc_analyzer);
+  ~MessageGenerator();
+
+  // Append the two types of nested generators to the corresponding vector.
+  void AddGenerators(
+      std::vector<std::unique_ptr<EnumGenerator>>* enum_generators,
+      std::vector<std::unique_ptr<ExtensionGenerator>>* extension_generators);
+
+  // Generate definitions for this class and all its nested types.
+  void GenerateClassDefinition(io::Printer* printer);
+
+  // Generate definitions of inline methods (placed at the end of the header
+  // file).
+  void GenerateInlineMethods(io::Printer* printer);
+
+  // Source file stuff.
+
+  // Generate all non-inline methods for this class.
+  void GenerateClassMethods(io::Printer* printer);
+
+  // Generate source file code that should go outside any namespace.
+  void GenerateSourceInProto2Namespace(io::Printer* printer);
+
+ private:
+  // Generate declarations and definitions of accessors for fields.
+  void GenerateFieldAccessorDeclarations(io::Printer* printer);
+  void GenerateFieldAccessorDefinitions(io::Printer* printer);
+
+  // Generate the field offsets array.  Returns the a pair of the total number
+  // of entries generated and the index of the first has_bit entry.
+  std::pair<size_t, size_t> GenerateOffsets(io::Printer* printer);
+  void GenerateSchema(io::Printer* printer, int offset, int has_offset);
+
+  // Generate constructors and destructor.
+  void GenerateStructors(io::Printer* printer);
+
+  // The compiler typically generates multiple copies of each constructor and
+  // destructor: http://gcc.gnu.org/bugs.html#nonbugs_cxx
+  // Placing common code in a separate method reduces the generated code size.
+  //
+  // Generate the shared constructor code.
+  void GenerateSharedConstructorCode(io::Printer* printer);
+  // Generate the shared destructor code.
+  void GenerateSharedDestructorCode(io::Printer* printer);
+  // Generate the arena-specific destructor code.
+  void GenerateArenaDestructorCode(io::Printer* printer);
+
+  // Generate the constexpr constructor for constant initialization of the
+  // default instance.
+  void GenerateConstexprConstructor(io::Printer* printer);
+
+  void GenerateCreateSplitMessage(io::Printer* printer);
+  void GenerateInitDefaultSplitInstance(io::Printer* printer);
+
+  // Generate standard Message methods.
+  void GenerateClear(io::Printer* printer);
+  void GenerateOneofClear(io::Printer* printer);
+  void GenerateVerify(io::Printer* printer);
+  void GenerateSerializeWithCachedSizes(io::Printer* printer);
+  void GenerateSerializeWithCachedSizesToArray(io::Printer* printer);
+  void GenerateSerializeWithCachedSizesBody(io::Printer* printer);
+  void GenerateSerializeWithCachedSizesBodyShuffled(io::Printer* printer);
+  void GenerateByteSize(io::Printer* printer);
+  void GenerateMergeFrom(io::Printer* printer);
+  void GenerateClassSpecificMergeImpl(io::Printer* printer);
+  void GenerateCopyFrom(io::Printer* printer);
+  void GenerateSwap(io::Printer* printer);
+  void GenerateIsInitialized(io::Printer* printer);
+
+  // Helpers for GenerateSerializeWithCachedSizes().
+  //
+  // cached_has_bit_index maintains that:
+  //   cached_has_bits = _has_bits_[cached_has_bit_index]
+  // for cached_has_bit_index >= 0
+  void GenerateSerializeOneField(io::Printer* printer,
+                                 const FieldDescriptor* field,
+                                 int cached_has_bits_index);
+  // Generate a switch statement to serialize 2+ fields from the same oneof.
+  // Or, if fields.size() == 1, just call GenerateSerializeOneField().
+  void GenerateSerializeOneofFields(
+      io::Printer* printer, const std::vector<const FieldDescriptor*>& fields);
+  void GenerateSerializeOneExtensionRange(
+      io::Printer* printer, const Descriptor::ExtensionRange* range);
+
+  // Generates has_foo() functions and variables for singular field has-bits.
+  void GenerateSingularFieldHasBits(const FieldDescriptor* field,
+                                    Formatter format);
+  // Generates has_foo() functions and variables for oneof field has-bits.
+  void GenerateOneofHasBits(io::Printer* printer);
+  // Generates has_foo_bar() functions for oneof members.
+  void GenerateOneofMemberHasBits(const FieldDescriptor* field,
+                                  const Formatter& format);
+  // Generates the clear_foo() method for a field.
+  void GenerateFieldClear(const FieldDescriptor* field, bool is_inline,
+                          Formatter format);
+
+  // Generates the body of the message's copy constructor.
+  void GenerateCopyConstructorBody(io::Printer* printer) const;
+
+  // Returns the level that this message needs ArenaDtor. If the message has
+  // a field that is not arena-exclusive, it needs an ArenaDtor
+  // (go/proto-destructor).
+  //
+  // - Returning kNone means we don't need to generate ArenaDtor.
+  // - Returning kOnDemand means we need to generate ArenaDtor, but don't need
+  //   to register ArenaDtor at construction. Such as when the message's
+  //   ArenaDtor code is only for destructing inlined string.
+  // - Returning kRequired means we meed to generate ArenaDtor and register it
+  //   at construction.
+  ArenaDtorNeeds NeedsArenaDestructor() const;
+
+  size_t HasBitsSize() const;
+  size_t InlinedStringDonatedSize() const;
+  int HasBitIndex(const FieldDescriptor* a) const;
+  int HasByteIndex(const FieldDescriptor* a) const;
+  int HasWordIndex(const FieldDescriptor* a) const;
+  bool SameHasByte(const FieldDescriptor* a, const FieldDescriptor* b) const;
+  std::vector<arc_ui32> RequiredFieldsBitMask() const;
+
+  const Descriptor* descriptor_;
+  int index_in_file_messages_;
+  TProtoStringType classname_;
+  Options options_;
+  FieldGeneratorMap field_generators_;
+  // optimized_order_ is the order we layout the message's fields in the
+  // class. This is reused to initialize the fields in-order for cache
+  // efficiency.
+  //
+  // optimized_order_ excludes oneof fields and weak fields.
+  std::vector<const FieldDescriptor*> optimized_order_;
+  std::vector<int> has_bit_indices_;
+  int max_has_bit_index_;
+
+  // A map from field index to inlined_string index. For non-inlined-string
+  // fields, the element is -1. If there is no inlined string in the message,
+  // this is empty.
+  std::vector<int> inlined_string_indices_;
+  // The count of inlined_string fields in the message.
+  int max_inlined_string_index_;
+
+  std::vector<const EnumGenerator*> enum_generators_;
+  std::vector<const ExtensionGenerator*> extension_generators_;
+  int num_required_fields_;
+  int num_weak_fields_;
+
+  std::unique_ptr<MessageLayoutHelper> message_layout_helper_;
+  std::unique_ptr<ParseFunctionGenerator> parse_function_generator_;
+
+  MessageSCCAnalyzer* scc_analyzer_;
+
+  std::map<TProtoStringType, TProtoStringType> variables_;
+
+  friend class FileGenerator;
+  GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(MessageGenerator);
+};
+
+}  // namespace cpp
+}  // namespace compiler
+}  // namespace protobuf
+}  // namespace google
+
+#endif  // GOOGLE_PROTOBUF_COMPILER_CPP_MESSAGE_H__