third_party/protobuf: Update to HEAD (83d681ee2c)

third_party/protobuf/src/google/protobuf/compiler/java/java_generator.cc

Index: third_party/protobuf/src/google/protobuf/compiler/java/java_generator.cc
diff --git a/third_party/protobuf/src/google/protobuf/compiler/java/java_generator.cc b/third_party/protobuf/src/google/protobuf/compiler/java/java_generator.cc
index a46c7fc41a4a5c73d7822a40c8675d10434a11e7..2c02d996fe1f72aa04f7051a2087064a384c6cdd 100644
--- a/third_party/protobuf/src/google/protobuf/compiler/java/java_generator.cc
+++ b/third_party/protobuf/src/google/protobuf/compiler/java/java_generator.cc
@@ -42,6 +42,7 @@
 #include <google/protobuf/compiler/java/java_file.h>
 #include <google/protobuf/compiler/java/java_generator_factory.h>
 #include <google/protobuf/compiler/java/java_helpers.h>
+#include <google/protobuf/compiler/java/java_options.h>
 #include <google/protobuf/compiler/java/java_shared_code_generator.h>
 #include <google/protobuf/io/printer.h>
 #include <google/protobuf/io/zero_copy_stream.h>
@@ -64,63 +65,58 @@ bool JavaGenerator::Generate(const FileDescriptor* file,
   // -----------------------------------------------------------------
   // parse generator options
 
-  // Name a file where we will write a list of generated file names, one
-  // per line.
-  string output_list_file;
 
-
-  vector<pair<string, string> > options;
+  std::vector<std::pair<string, string> > options;
   ParseGeneratorParameter(parameter, &options);
+  Options file_options;
 
-  bool generate_immutable_code = false;
-  bool generate_mutable_code = false;
-  bool generate_shared_code = false;
-  bool enforce_lite = false;
   for (int i = 0; i < options.size(); i++) {
     if (options[i].first == "output_list_file") {
-      output_list_file = options[i].second;
+      file_options.output_list_file = options[i].second;
     } else if (options[i].first == "immutable") {
-      generate_immutable_code = true;
+      file_options.generate_immutable_code = true;
     } else if (options[i].first == "mutable") {
-      generate_mutable_code = true;
+      file_options.generate_mutable_code = true;
     } else if (options[i].first == "shared") {
-      generate_shared_code = true;
-    } else if (options[i].first == "lite") {
-      // When set, the protoc will generate the current files and all the
-      // transitive dependencies as lite runtime.
-      enforce_lite = true;
+      file_options.generate_shared_code = true;
+    } else if (options[i].first == "annotate_code") {
+      file_options.annotate_code = true;
+    } else if (options[i].first == "annotation_list_file") {
+      file_options.annotation_list_file = options[i].second;
     } else {
       *error = "Unknown generator option: " + options[i].first;
       return false;
     }
   }
 
-  if (enforce_lite && generate_mutable_code) {
+  if (file_options.enforce_lite && file_options.generate_mutable_code) {
     *error = "lite runtime generator option cannot be used with mutable API.";
     return false;
   }
 
   // By default we generate immutable code and shared code for immutable API.
-  if (!generate_immutable_code && !generate_mutable_code &&
-      !generate_shared_code) {
-    generate_immutable_code = true;
-    generate_shared_code = true;
+  if (!file_options.generate_immutable_code &&
+      !file_options.generate_mutable_code &&
+      !file_options.generate_shared_code) {
+    file_options.generate_immutable_code = true;
+    file_options.generate_shared_code = true;
   }
 
   // -----------------------------------------------------------------
 
 
-  vector<string> all_files;
+  std::vector<string> all_files;
+  std::vector<string> all_annotations;
 
 
-  vector<FileGenerator*> file_generators;
-  if (generate_immutable_code) {
-    file_generators.push_back(
-        new FileGenerator(file, /* immutable = */ true, enforce_lite));
+  std::vector<FileGenerator*> file_generators;
+  if (file_options.generate_immutable_code) {
+    file_generators.push_back(new FileGenerator(file, file_options,
+                                                /* immutable = */ true));
   }
-  if (generate_mutable_code) {
-    file_generators.push_back(
-        new FileGenerator(file, /* mutable = */ false, enforce_lite));
+  if (file_options.generate_mutable_code) {
+    file_generators.push_back(new FileGenerator(file, file_options,
+                                                /* mutable = */ false));
   }
   for (int i = 0; i < file_generators.size(); ++i) {
     if (!file_generators[i]->Validate(error)) {
@@ -140,15 +136,32 @@ bool JavaGenerator::Generate(const FileDescriptor* file,
     java_filename += file_generator->classname();
     java_filename += ".java";
     all_files.push_back(java_filename);
+    string info_full_path = java_filename + ".pb.meta";
+    if (file_options.annotate_code) {
+      all_annotations.push_back(info_full_path);
+    }
 
     // Generate main java file.
     google::protobuf::scoped_ptr<io::ZeroCopyOutputStream> output(
         context->Open(java_filename));
-    io::Printer printer(output.get(), '$');
+    GeneratedCodeInfo annotations;
+    io::AnnotationProtoCollector<GeneratedCodeInfo> annotation_collector(
+        &annotations);
+    io::Printer printer(output.get(), '$', file_options.annotate_code
+                                               ? &annotation_collector
+                                               : NULL);
+
     file_generator->Generate(&printer);
 
     // Generate sibling files.
-    file_generator->GenerateSiblings(package_dir, context, &all_files);
+    file_generator->GenerateSiblings(package_dir, context, &all_files,
+                                     &all_annotations);
+
+    if (file_options.annotate_code) {
+      google::protobuf::scoped_ptr<io::ZeroCopyOutputStream> info_output(
+          context->Open(info_full_path));
+      annotations.SerializeToZeroCopyStream(info_output.get());
+    }
   }
 
   for (int i = 0; i < file_generators.size(); ++i) {
@@ -157,17 +170,29 @@ bool JavaGenerator::Generate(const FileDescriptor* file,
   file_generators.clear();
 
   // Generate output list if requested.
-  if (!output_list_file.empty()) {
+  if (!file_options.output_list_file.empty()) {
     // Generate output list.  This is just a simple text file placed in a
     // deterministic location which lists the .java files being generated.
     google::protobuf::scoped_ptr<io::ZeroCopyOutputStream> srclist_raw_output(
-        context->Open(output_list_file));
+        context->Open(file_options.output_list_file));
     io::Printer srclist_printer(srclist_raw_output.get(), '$');
     for (int i = 0; i < all_files.size(); i++) {
       srclist_printer.Print("$filename$\n", "filename", all_files[i]);
     }
   }
 
+  if (!file_options.annotation_list_file.empty()) {
+    // Generate output list.  This is just a simple text file placed in a
+    // deterministic location which lists the .java files being generated.
+    google::protobuf::scoped_ptr<io::ZeroCopyOutputStream> annotation_list_raw_output(
+        context->Open(file_options.annotation_list_file));
+    io::Printer annotation_list_printer(annotation_list_raw_output.get(), '$');
+    for (int i = 0; i < all_annotations.size(); i++) {
+      annotation_list_printer.Print("$filename$\n", "filename",
+                                    all_annotations[i]);
+    }
+  }
+
   return true;
 }