Setting up version updater to prepare for poison pills and embedding …

…version info into C++, Python and Java gencode.

PiperOrigin-RevId: 562046003

src/google/protobuf/BUILD.bazel

@@ -501,6 +501,7 @@ cc_library(
         "service.h",
         "text_format.h",
         "unknown_field_set.h",
+        "versions.h",
         "wire_format.h",
     ],
     copts = COPTS,

src/google/protobuf/compiler/cpp/file.cc

@@ -331,10 +331,15 @@ void FileGenerator::GenerateFile(io::Printer* p, GeneratedFileType file_type,
                                  std::function<void()> cb) {
   auto v = p->WithVars(FileVars(file_, options_));
   auto guard = IncludeGuard(file_, file_type, options_);
+  p->Print(
+      "// Generated by the protocol buffer compiler.  DO NOT EDIT!\n"
+      "// source: $filename$\n");
+  p->Print("// Protobuf C++ Version: $protobuf_cpp_version$\n",
+           "protobuf_cpp_version",
+           absl::StrCat(internal::VersionString(GOOGLE_PROTOBUF_VERSION),
+                        GOOGLE_PROTOBUF_VERSION_SUFFIX));
+  p->Print("\n");
   p->Emit({{"cb", cb}, {"guard", guard}}, R"(
-    // Generated by the protocol buffer compiler.  DO NOT EDIT!
-    // source: $filename$
-
     #ifndef $guard$
     #define $guard$
 

src/google/protobuf/compiler/java/file.cc

@@ -56,6 +56,7 @@
 #include "google/protobuf/dynamic_message.h"
 #include "google/protobuf/io/printer.h"
 #include "google/protobuf/io/zero_copy_stream.h"
+#include "google/protobuf/versions.h"
 
 // Must be last.
 #include "google/protobuf/port_def.inc"
@@ -267,6 +268,8 @@ void FileGenerator::Generate(io::Printer* printer) {
       "// source: $filename$\n"
       "\n",
       "filename", file_->name());
+  printer->Print("// Protobuf Java Version: $protobuf_java_version$\n",
+                 "protobuf_java_version", kProtoJavaVersionString);
   if (!java_package_.empty()) {
     printer->Print(
         "package $package$;\n"

src/google/protobuf/compiler/python/generator.cc

@@ -71,6 +71,7 @@
 #include "google/protobuf/io/printer.h"
 #include "google/protobuf/io/strtod.h"
 #include "google/protobuf/io/zero_copy_stream.h"
+#include "google/protobuf/versions.h"
 
 namespace google {
 namespace protobuf {
@@ -359,9 +360,11 @@ void Generator::PrintTopBoilerplate() const {
   printer_->Print(
       "# -*- coding: utf-8 -*-\n"
       "# Generated by the protocol buffer compiler.  DO NOT EDIT!\n"
-      "# source: $filename$\n"
-      "\"\"\"Generated protocol buffer code.\"\"\"\n",
+      "# source: $filename$\n",
       "filename", file_->name());
+  printer_->Print("# Protobuf Python Version: $protobuf_python_version$\n",
+                  "protobuf_python_version", kProtoPythonVersionString);
+  printer_->Print("\"\"\"Generated protocol buffer code.\"\"\"\n");
   if (!opensource_runtime_) {
     // This import is needed so that compatibility proto1 compiler output
     // inserted at protoc_insertion_point can refer to other protos like

src/google/protobuf/stubs/common.h

@@ -71,7 +71,7 @@ namespace internal {
 #define GOOGLE_PROTOBUF_VERSION 4024000
 
 // A suffix string for alpha, beta or rc releases. Empty for stable releases.
-#define GOOGLE_PROTOBUF_VERSION_SUFFIX ""
+#define GOOGLE_PROTOBUF_VERSION_SUFFIX "-main"
 
 // The minimum header version which works with the current version of
 // the library.  This constant should only be used by protoc's C++ code

src/google/protobuf/versions.h

@@ -0,0 +1,52 @@
+// 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.
+
+#ifndef GOOGLE_PROTOBUF_VERSIONS_H__
+#define GOOGLE_PROTOBUF_VERSIONS_H__
+
+#include "absl/strings/string_view.h"
+#include "google/protobuf/port_def.inc"
+
+namespace google {
+namespace protobuf {
+namespace compiler {
+// Versions to be injected into Protobuf language gencode.
+constexpr absl::string_view kProtoJavaVersionString = "3.24.0-main";
+constexpr absl::string_view kProtoCSharpVersionString = "3.24.0-main";
+constexpr absl::string_view kProtoObjectiveCVersionString = "3.24.0-main";
+constexpr absl::string_view kProtoPhpVersionString = "3.24.0-main";
+constexpr absl::string_view kProtoPythonVersionString = "4.24.0-main";
+constexpr absl::string_view kProtoRubyVersionString = "3.24.0-main";
+}  // namespace compiler
+}  // namespace protobuf
+}  // namespace google
+#endif  // GOOGLE_PROTOBUF_VERSIONS_H__
+
+#include "google/protobuf/port_undef.inc"