diff options
Diffstat (limited to 'src/google/protobuf/compiler/cpp/cpp_file.cc')
| -rw-r--r-- | src/google/protobuf/compiler/cpp/cpp_file.cc | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/google/protobuf/compiler/cpp/cpp_file.cc b/src/google/protobuf/compiler/cpp/cpp_file.cc index aea3a4b2..f88d63fc 100644 --- a/src/google/protobuf/compiler/cpp/cpp_file.cc +++ b/src/google/protobuf/compiler/cpp/cpp_file.cc @@ -128,7 +128,14 @@ void FileGenerator::GenerateHeader(io::Printer* printer) { // Open namespace. GenerateNamespaceOpeners(printer); - printer->Print("\n"); + // Forward-declare the BuildDescriptors function, so that we can declare it + // to be a friend of each class. + printer->Print( + "\n" + "// Internal implementation detail -- do not call this.\n" + "void $builddescriptorsname$();\n" + "\n", + "builddescriptorsname", GlobalBuildDescriptorsName(file_->name())); // Generate forward declarations of classes. for (int i = 0; i < file_->message_type_count(); i++) { @@ -302,6 +309,9 @@ void FileGenerator::GenerateBuildDescriptors(io::Printer* printer) { // time, because every message has a statically-initialized default instance, // and the constructor for a message class accesses its descriptor. See the // constructor and the descriptor() method of message classes. + // + // We also construct the reflection object for each class inside + // BuildDescriptors(). printer->Print( "\n" "void $builddescriptorsname$() {\n" |