Add version number to plugin protocol.

1 files changed, 5 insertions, 0 deletions

diff --git a/src/google/protobuf/compiler/code_generator.h b/src/google/protobuf/compiler/code_generator.h
index b8a5584c..b917d373 100644
--- a/src/google/protobuf/compiler/code_generator.h
+++ b/src/google/protobuf/compiler/code_generator.h
@@ -50,6 +50,7 @@ namespace io { class ZeroCopyOutputStream; }
 class FileDescriptor;
 
 namespace compiler {
+class Version;
 
 // Defined in this file.
 class CodeGenerator;
@@ -143,6 +144,10 @@ class LIBPROTOC_EXPORT GeneratorContext {
   // differently when compiled as a set rather than individually.
   virtual void ListParsedFiles(std::vector<const FileDescriptor*>* output);
 
+  // Retrieves the version number of the protocol compiler associated with
+  // this GeneratorContext.
+  virtual void GetCompilerVersion(Version* version) const;
+
  private:
   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(GeneratorContext);
 };