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authorBo Yang <teboring@google.com>2016-09-19 13:45:07 -0700
committerBo Yang <teboring@google.com>2016-10-10 11:23:36 -0700
commitcc8ca5b6a5478b40546d4206392eb1471454460d (patch)
treec0b45abfa16d7d373a6ea8f7fe50f1de00ab938e /src/google/protobuf/compiler/cpp/cpp_field.h
parent337a028bb65ccca4dda768695950b5aba53ae2c9 (diff)
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Integrate internal changes
Diffstat (limited to 'src/google/protobuf/compiler/cpp/cpp_field.h')
-rw-r--r--src/google/protobuf/compiler/cpp/cpp_field.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/google/protobuf/compiler/cpp/cpp_field.h b/src/google/protobuf/compiler/cpp/cpp_field.h
index 3b012527..fdd338a6 100644
--- a/src/google/protobuf/compiler/cpp/cpp_field.h
+++ b/src/google/protobuf/compiler/cpp/cpp_field.h
@@ -136,6 +136,13 @@ class FieldGenerator {
// GenerateMergeFrom method.
virtual void GenerateMergingCode(io::Printer* printer) const = 0;
+ // The same, but the generated code may or may not check the possibility that
+ // the two objects being merged have the same address. To be safe, callers
+ // should avoid calling this unless they know the objects are different.
+ virtual void GenerateUnsafeMergingCode(io::Printer* printer) const {
+ GenerateMergingCode(printer);
+ }
+
// Generate lines of code (statements, not declarations) which swaps
// this field and the corresponding field of another message, which
// is stored in the generated code variable "other". This is used to