Add BytecodeClassName functions, matching helpers in the java GeneratorNames utility.

PiperOrigin-RevId: 898215432

Author: protobuf-github-bot

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

@@ -134,6 +134,21 @@ std::string QualifiedClassName(const FileDescriptor* descriptor) {
   return name_resolver.GetClassName(descriptor, true);
 }
 
+std::string BytecodeClassName(const Descriptor* descriptor) {
+  ClassNameResolver name_resolver;
+  return name_resolver.GetJavaImmutableClassName(descriptor);
+}
+
+std::string BytecodeClassName(const EnumDescriptor* descriptor) {
+  ClassNameResolver name_resolver;
+  return name_resolver.GetJavaImmutableClassName(descriptor);
+}
+
+std::string BytecodeClassName(const ServiceDescriptor* descriptor) {
+  ClassNameResolver name_resolver;
+  return name_resolver.GetJavaImmutableClassName(descriptor);
+}
+
 std::string FileJavaPackage(const FileDescriptor* file, bool immutable,
                             Options options) {
   return ClassNameResolver().GetFileJavaPackage(file, immutable);

src/google/protobuf/compiler/java/names.h

@@ -90,6 +90,31 @@ inline std::string ClassName(const ServiceDescriptor* descriptor) {
   return QualifiedClassName(descriptor);
 }
 
+// Requires:
+//   descriptor != NULL
+//
+// Returns:
+//   The fully-qualified Java bytecode class name (using $ separator for nested
+//   classes).
+PROTOC_EXPORT std::string BytecodeClassName(const Descriptor* descriptor);
+
+// Requires:
+//   descriptor != NULL
+//
+// Returns:
+//   The fully-qualified Java bytecode class name (using $ separator for nested
+//   classes).
+PROTOC_EXPORT std::string BytecodeClassName(const EnumDescriptor* descriptor);
+
+// Requires:
+//   descriptor != NULL
+//
+// Returns:
+//   The fully-qualified Java bytecode class name (using $ separator for nested
+//   classes).
+PROTOC_EXPORT std::string BytecodeClassName(
+    const ServiceDescriptor* descriptor);
+
 // Requires:
 //   descriptor != NULL
 //