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Diffstat (limited to 'src/google/protobuf/compiler/cpp/cpp_field.h')
-rw-r--r--src/google/protobuf/compiler/cpp/cpp_field.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/google/protobuf/compiler/cpp/cpp_field.h b/src/google/protobuf/compiler/cpp/cpp_field.h
index 891e30f6..bccfcb9a 100644
--- a/src/google/protobuf/compiler/cpp/cpp_field.h
+++ b/src/google/protobuf/compiler/cpp/cpp_field.h
@@ -184,6 +184,10 @@ class FieldGenerator {
// message's MergeFromCodedStream() method.
virtual void GenerateMergeFromCodedStream(io::Printer* printer) const = 0;
+ // Returns true if this field's "MergeFromCodedStream" code needs the arena
+ // to be defined as a variable.
+ virtual bool MergeFromCodedStreamNeedsArena() const { return false; }
+
// Generate lines to decode this field from a packed value, which will be
// placed inside the message's MergeFromCodedStream() method.
virtual void GenerateMergeFromCodedStreamWithPacking(io::Printer* printer)