Replace kEmptyString wth OnceInit initialized string*

3 files changed, 61 insertions, 61 deletions

diff --git a/src/google/protobuf/compiler/cpp/cpp_string_field.cc b/src/google/protobuf/compiler/cpp/cpp_string_field.cc
index 9c0911ac..0b58b981 100644
--- a/src/google/protobuf/compiler/cpp/cpp_string_field.cc
+++ b/src/google/protobuf/compiler/cpp/cpp_string_field.cc
@@ -53,7 +53,7 @@ void SetStringVariables(const FieldDescriptor* descriptor,
   (*variables)["default_length"] =
       SimpleItoa(descriptor->default_value_string().length());
   (*variables)["default_variable"] = descriptor->default_value_string().empty()
-      ? "&::google::protobuf::internal::kEmptyString"
+      ? "&::google::protobuf::internal::GetEmptyString()"
       : "_default_" + FieldName(descriptor) + "_";
   (*variables)["pointer_type"] =
       descriptor->type() == FieldDescriptor::TYPE_BYTES ? "void" : "char";
diff --git a/src/google/protobuf/compiler/plugin.pb.cc b/src/google/protobuf/compiler/plugin.pb.cc
index ee14dcf7..6525d15c 100644
--- a/src/google/protobuf/compiler/plugin.pb.cc
+++ b/src/google/protobuf/compiler/plugin.pb.cc
@@ -184,7 +184,7 @@ CodeGeneratorRequest::CodeGeneratorRequest(const CodeGeneratorRequest& from)
 
 void CodeGeneratorRequest::SharedCtor() {
   _cached_size_ = 0;
-  parameter_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  parameter_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyString());
   ::memset(_has_bits_, 0, sizeof(_has_bits_));
 }
 
@@ -193,7 +193,7 @@ CodeGeneratorRequest::~CodeGeneratorRequest() {
 }
 
 void CodeGeneratorRequest::SharedDtor() {
-  if (parameter_ != &::google::protobuf::internal::kEmptyString) {
+  if (parameter_ != &::google::protobuf::internal::GetEmptyString()) {
     delete parameter_;
   }
   if (this != default_instance_) {
@@ -224,7 +224,7 @@ CodeGeneratorRequest* CodeGeneratorRequest::New() const {
 void CodeGeneratorRequest::Clear() {
   if (_has_bits_[1 / 32] & (0xffu << (1 % 32))) {
     if (has_parameter()) {
-      if (parameter_ != &::google::protobuf::internal::kEmptyString) {
+      if (parameter_ != &::google::protobuf::internal::GetEmptyString()) {
         parameter_->clear();
       }
     }
@@ -501,9 +501,9 @@ CodeGeneratorResponse_File::CodeGeneratorResponse_File(const CodeGeneratorRespon
 
 void CodeGeneratorResponse_File::SharedCtor() {
   _cached_size_ = 0;
-  name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
-  insertion_point_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
-  content_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  name_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyString());
+  insertion_point_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyString());
+  content_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyString());
   ::memset(_has_bits_, 0, sizeof(_has_bits_));
 }
 
@@ -512,13 +512,13 @@ CodeGeneratorResponse_File::~CodeGeneratorResponse_File() {
 }
 
 void CodeGeneratorResponse_File::SharedDtor() {
-  if (name_ != &::google::protobuf::internal::kEmptyString) {
+  if (name_ != &::google::protobuf::internal::GetEmptyString()) {
     delete name_;
   }
-  if (insertion_point_ != &::google::protobuf::internal::kEmptyString) {
+  if (insertion_point_ != &::google::protobuf::internal::GetEmptyString()) {
     delete insertion_point_;
   }
-  if (content_ != &::google::protobuf::internal::kEmptyString) {
+  if (content_ != &::google::protobuf::internal::GetEmptyString()) {
     delete content_;
   }
   if (this != default_instance_) {
@@ -549,17 +549,17 @@ CodeGeneratorResponse_File* CodeGeneratorResponse_File::New() const {
 void CodeGeneratorResponse_File::Clear() {
   if (_has_bits_[0 / 32] & (0xffu << (0 % 32))) {
     if (has_name()) {
-      if (name_ != &::google::protobuf::internal::kEmptyString) {
+      if (name_ != &::google::protobuf::internal::GetEmptyString()) {
         name_->clear();
       }
     }
     if (has_insertion_point()) {
-      if (insertion_point_ != &::google::protobuf::internal::kEmptyString) {
+      if (insertion_point_ != &::google::protobuf::internal::GetEmptyString()) {
         insertion_point_->clear();
       }
     }
     if (has_content()) {
-      if (content_ != &::google::protobuf::internal::kEmptyString) {
+      if (content_ != &::google::protobuf::internal::GetEmptyString()) {
         content_->clear();
       }
     }
@@ -839,7 +839,7 @@ CodeGeneratorResponse::CodeGeneratorResponse(const CodeGeneratorResponse& from)
 
 void CodeGeneratorResponse::SharedCtor() {
   _cached_size_ = 0;
-  error_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  error_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyString());
   ::memset(_has_bits_, 0, sizeof(_has_bits_));
 }
 
@@ -848,7 +848,7 @@ CodeGeneratorResponse::~CodeGeneratorResponse() {
 }
 
 void CodeGeneratorResponse::SharedDtor() {
-  if (error_ != &::google::protobuf::internal::kEmptyString) {
+  if (error_ != &::google::protobuf::internal::GetEmptyString()) {
     delete error_;
   }
   if (this != default_instance_) {
@@ -879,7 +879,7 @@ CodeGeneratorResponse* CodeGeneratorResponse::New() const {
 void CodeGeneratorResponse::Clear() {
   if (_has_bits_[0 / 32] & (0xffu << (0 % 32))) {
     if (has_error()) {
-      if (error_ != &::google::protobuf::internal::kEmptyString) {
+      if (error_ != &::google::protobuf::internal::GetEmptyString()) {
         error_->clear();
       }
     }
diff --git a/src/google/protobuf/compiler/plugin.pb.h b/src/google/protobuf/compiler/plugin.pb.h
index d0db53d1..d26a135e 100644
--- a/src/google/protobuf/compiler/plugin.pb.h
+++ b/src/google/protobuf/compiler/plugin.pb.h
@@ -438,7 +438,7 @@ inline void CodeGeneratorRequest::clear_has_parameter() {
   _has_bits_[0] &= ~0x00000002u;
 }
 inline void CodeGeneratorRequest::clear_parameter() {
-  if (parameter_ != &::google::protobuf::internal::kEmptyString) {
+  if (parameter_ != &::google::protobuf::internal::GetEmptyString()) {
     parameter_->clear();
   }
   clear_has_parameter();
@@ -448,44 +448,44 @@ inline const ::std::string& CodeGeneratorRequest::parameter() const {
 }
 inline void CodeGeneratorRequest::set_parameter(const ::std::string& value) {
   set_has_parameter();
-  if (parameter_ == &::google::protobuf::internal::kEmptyString) {
+  if (parameter_ == &::google::protobuf::internal::GetEmptyString()) {
     parameter_ = new ::std::string;
   }
   parameter_->assign(value);
 }
 inline void CodeGeneratorRequest::set_parameter(const char* value) {
   set_has_parameter();
-  if (parameter_ == &::google::protobuf::internal::kEmptyString) {
+  if (parameter_ == &::google::protobuf::internal::GetEmptyString()) {
     parameter_ = new ::std::string;
   }
   parameter_->assign(value);
 }
 inline void CodeGeneratorRequest::set_parameter(const char* value, size_t size) {
   set_has_parameter();
-  if (parameter_ == &::google::protobuf::internal::kEmptyString) {
+  if (parameter_ == &::google::protobuf::internal::GetEmptyString()) {
     parameter_ = new ::std::string;
   }
   parameter_->assign(reinterpret_cast<const char*>(value), size);
 }
 inline ::std::string* CodeGeneratorRequest::mutable_parameter() {
   set_has_parameter();
-  if (parameter_ == &::google::protobuf::internal::kEmptyString) {
+  if (parameter_ == &::google::protobuf::internal::GetEmptyString()) {
     parameter_ = new ::std::string;
   }
   return parameter_;
 }
 inline ::std::string* CodeGeneratorRequest::release_parameter() {
   clear_has_parameter();
-  if (parameter_ == &::google::protobuf::internal::kEmptyString) {
+  if (parameter_ == &::google::protobuf::internal::GetEmptyString()) {
     return NULL;
   } else {
     ::std::string* temp = parameter_;
-    parameter_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    parameter_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyString());
     return temp;
   }
 }
 inline void CodeGeneratorRequest::set_allocated_parameter(::std::string* parameter) {
-  if (parameter_ != &::google::protobuf::internal::kEmptyString) {
+  if (parameter_ != &::google::protobuf::internal::GetEmptyString()) {
     delete parameter_;
   }
   if (parameter) {
@@ -493,7 +493,7 @@ inline void CodeGeneratorRequest::set_allocated_parameter(::std::string* paramet
     parameter_ = parameter;
   } else {
     clear_has_parameter();
-    parameter_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    parameter_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyString());
   }
 }
 
@@ -537,7 +537,7 @@ inline void CodeGeneratorResponse_File::clear_has_name() {
   _has_bits_[0] &= ~0x00000001u;
 }
 inline void CodeGeneratorResponse_File::clear_name() {
-  if (name_ != &::google::protobuf::internal::kEmptyString) {
+  if (name_ != &::google::protobuf::internal::GetEmptyString()) {
     name_->clear();
   }
   clear_has_name();
@@ -547,44 +547,44 @@ inline const ::std::string& CodeGeneratorResponse_File::name() const {
 }
 inline void CodeGeneratorResponse_File::set_name(const ::std::string& value) {
   set_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyString()) {
     name_ = new ::std::string;
   }
   name_->assign(value);
 }
 inline void CodeGeneratorResponse_File::set_name(const char* value) {
   set_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyString()) {
     name_ = new ::std::string;
   }
   name_->assign(value);
 }
 inline void CodeGeneratorResponse_File::set_name(const char* value, size_t size) {
   set_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyString()) {
     name_ = new ::std::string;
   }
   name_->assign(reinterpret_cast<const char*>(value), size);
 }
 inline ::std::string* CodeGeneratorResponse_File::mutable_name() {
   set_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyString()) {
     name_ = new ::std::string;
   }
   return name_;
 }
 inline ::std::string* CodeGeneratorResponse_File::release_name() {
   clear_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyString()) {
     return NULL;
   } else {
     ::std::string* temp = name_;
-    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyString());
     return temp;
   }
 }
 inline void CodeGeneratorResponse_File::set_allocated_name(::std::string* name) {
-  if (name_ != &::google::protobuf::internal::kEmptyString) {
+  if (name_ != &::google::protobuf::internal::GetEmptyString()) {
     delete name_;
   }
   if (name) {
@@ -592,7 +592,7 @@ inline void CodeGeneratorResponse_File::set_allocated_name(::std::string* name)
     name_ = name;
   } else {
     clear_has_name();
-    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyString());
   }
 }
 
@@ -607,7 +607,7 @@ inline void CodeGeneratorResponse_File::clear_has_insertion_point() {
   _has_bits_[0] &= ~0x00000002u;
 }
 inline void CodeGeneratorResponse_File::clear_insertion_point() {
-  if (insertion_point_ != &::google::protobuf::internal::kEmptyString) {
+  if (insertion_point_ != &::google::protobuf::internal::GetEmptyString()) {
     insertion_point_->clear();
   }
   clear_has_insertion_point();
@@ -617,44 +617,44 @@ inline const ::std::string& CodeGeneratorResponse_File::insertion_point() const
 }
 inline void CodeGeneratorResponse_File::set_insertion_point(const ::std::string& value) {
   set_has_insertion_point();
-  if (insertion_point_ == &::google::protobuf::internal::kEmptyString) {
+  if (insertion_point_ == &::google::protobuf::internal::GetEmptyString()) {
     insertion_point_ = new ::std::string;
   }
   insertion_point_->assign(value);
 }
 inline void CodeGeneratorResponse_File::set_insertion_point(const char* value) {
   set_has_insertion_point();
-  if (insertion_point_ == &::google::protobuf::internal::kEmptyString) {
+  if (insertion_point_ == &::google::protobuf::internal::GetEmptyString()) {
     insertion_point_ = new ::std::string;
   }
   insertion_point_->assign(value);
 }
 inline void CodeGeneratorResponse_File::set_insertion_point(const char* value, size_t size) {
   set_has_insertion_point();
-  if (insertion_point_ == &::google::protobuf::internal::kEmptyString) {
+  if (insertion_point_ == &::google::protobuf::internal::GetEmptyString()) {
     insertion_point_ = new ::std::string;
   }
   insertion_point_->assign(reinterpret_cast<const char*>(value), size);
 }
 inline ::std::string* CodeGeneratorResponse_File::mutable_insertion_point() {
   set_has_insertion_point();
-  if (insertion_point_ == &::google::protobuf::internal::kEmptyString) {
+  if (insertion_point_ == &::google::protobuf::internal::GetEmptyString()) {
     insertion_point_ = new ::std::string;
   }
   return insertion_point_;
 }
 inline ::std::string* CodeGeneratorResponse_File::release_insertion_point() {
   clear_has_insertion_point();
-  if (insertion_point_ == &::google::protobuf::internal::kEmptyString) {
+  if (insertion_point_ == &::google::protobuf::internal::GetEmptyString()) {
     return NULL;
   } else {
     ::std::string* temp = insertion_point_;
-    insertion_point_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    insertion_point_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyString());
     return temp;
   }
 }
 inline void CodeGeneratorResponse_File::set_allocated_insertion_point(::std::string* insertion_point) {
-  if (insertion_point_ != &::google::protobuf::internal::kEmptyString) {
+  if (insertion_point_ != &::google::protobuf::internal::GetEmptyString()) {
     delete insertion_point_;
   }
   if (insertion_point) {
@@ -662,7 +662,7 @@ inline void CodeGeneratorResponse_File::set_allocated_insertion_point(::std::str
     insertion_point_ = insertion_point;
   } else {
     clear_has_insertion_point();
-    insertion_point_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    insertion_point_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyString());
   }
 }
 
@@ -677,7 +677,7 @@ inline void CodeGeneratorResponse_File::clear_has_content() {
   _has_bits_[0] &= ~0x00000004u;
 }
 inline void CodeGeneratorResponse_File::clear_content() {
-  if (content_ != &::google::protobuf::internal::kEmptyString) {
+  if (content_ != &::google::protobuf::internal::GetEmptyString()) {
     content_->clear();
   }
   clear_has_content();
@@ -687,44 +687,44 @@ inline const ::std::string& CodeGeneratorResponse_File::content() const {
 }
 inline void CodeGeneratorResponse_File::set_content(const ::std::string& value) {
   set_has_content();
-  if (content_ == &::google::protobuf::internal::kEmptyString) {
+  if (content_ == &::google::protobuf::internal::GetEmptyString()) {
     content_ = new ::std::string;
   }
   content_->assign(value);
 }
 inline void CodeGeneratorResponse_File::set_content(const char* value) {
   set_has_content();
-  if (content_ == &::google::protobuf::internal::kEmptyString) {
+  if (content_ == &::google::protobuf::internal::GetEmptyString()) {
     content_ = new ::std::string;
   }
   content_->assign(value);
 }
 inline void CodeGeneratorResponse_File::set_content(const char* value, size_t size) {
   set_has_content();
-  if (content_ == &::google::protobuf::internal::kEmptyString) {
+  if (content_ == &::google::protobuf::internal::GetEmptyString()) {
     content_ = new ::std::string;
   }
   content_->assign(reinterpret_cast<const char*>(value), size);
 }
 inline ::std::string* CodeGeneratorResponse_File::mutable_content() {
   set_has_content();
-  if (content_ == &::google::protobuf::internal::kEmptyString) {
+  if (content_ == &::google::protobuf::internal::GetEmptyString()) {
     content_ = new ::std::string;
   }
   return content_;
 }
 inline ::std::string* CodeGeneratorResponse_File::release_content() {
   clear_has_content();
-  if (content_ == &::google::protobuf::internal::kEmptyString) {
+  if (content_ == &::google::protobuf::internal::GetEmptyString()) {
     return NULL;
   } else {
     ::std::string* temp = content_;
-    content_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    content_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyString());
     return temp;
   }
 }
 inline void CodeGeneratorResponse_File::set_allocated_content(::std::string* content) {
-  if (content_ != &::google::protobuf::internal::kEmptyString) {
+  if (content_ != &::google::protobuf::internal::GetEmptyString()) {
     delete content_;
   }
   if (content) {
@@ -732,7 +732,7 @@ inline void CodeGeneratorResponse_File::set_allocated_content(::std::string* con
     content_ = content;
   } else {
     clear_has_content();
-    content_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    content_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyString());
   }
 }
 
@@ -751,7 +751,7 @@ inline void CodeGeneratorResponse::clear_has_error() {
   _has_bits_[0] &= ~0x00000001u;
 }
 inline void CodeGeneratorResponse::clear_error() {
-  if (error_ != &::google::protobuf::internal::kEmptyString) {
+  if (error_ != &::google::protobuf::internal::GetEmptyString()) {
     error_->clear();
   }
   clear_has_error();
@@ -761,44 +761,44 @@ inline const ::std::string& CodeGeneratorResponse::error() const {
 }
 inline void CodeGeneratorResponse::set_error(const ::std::string& value) {
   set_has_error();
-  if (error_ == &::google::protobuf::internal::kEmptyString) {
+  if (error_ == &::google::protobuf::internal::GetEmptyString()) {
     error_ = new ::std::string;
   }
   error_->assign(value);
 }
 inline void CodeGeneratorResponse::set_error(const char* value) {
   set_has_error();
-  if (error_ == &::google::protobuf::internal::kEmptyString) {
+  if (error_ == &::google::protobuf::internal::GetEmptyString()) {
     error_ = new ::std::string;
   }
   error_->assign(value);
 }
 inline void CodeGeneratorResponse::set_error(const char* value, size_t size) {
   set_has_error();
-  if (error_ == &::google::protobuf::internal::kEmptyString) {
+  if (error_ == &::google::protobuf::internal::GetEmptyString()) {
     error_ = new ::std::string;
   }
   error_->assign(reinterpret_cast<const char*>(value), size);
 }
 inline ::std::string* CodeGeneratorResponse::mutable_error() {
   set_has_error();
-  if (error_ == &::google::protobuf::internal::kEmptyString) {
+  if (error_ == &::google::protobuf::internal::GetEmptyString()) {
     error_ = new ::std::string;
   }
   return error_;
 }
 inline ::std::string* CodeGeneratorResponse::release_error() {
   clear_has_error();
-  if (error_ == &::google::protobuf::internal::kEmptyString) {
+  if (error_ == &::google::protobuf::internal::GetEmptyString()) {
     return NULL;
   } else {
     ::std::string* temp = error_;
-    error_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    error_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyString());
     return temp;
   }
 }
 inline void CodeGeneratorResponse::set_allocated_error(::std::string* error) {
-  if (error_ != &::google::protobuf::internal::kEmptyString) {
+  if (error_ != &::google::protobuf::internal::GetEmptyString()) {
     delete error_;
   }
   if (error) {
@@ -806,7 +806,7 @@ inline void CodeGeneratorResponse::set_allocated_error(::std::string* error) {
     error_ = error;
   } else {
     clear_has_error();
-    error_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    error_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyString());
   }
 }