third_party/protobuf: update to upstream r371

third_party/protobuf/src/google/protobuf/compiler/java/java_helpers.h

Index: third_party/protobuf/src/google/protobuf/compiler/java/java_helpers.h
diff --git a/third_party/protobuf/src/google/protobuf/compiler/java/java_helpers.h b/third_party/protobuf/src/google/protobuf/compiler/java/java_helpers.h
index 002e177ebe0bf9a58c731750807abd492f2a3f4f..88efd459bbe26341b4fda840948034e36ee0d121 100644
--- a/third_party/protobuf/src/google/protobuf/compiler/java/java_helpers.h
+++ b/third_party/protobuf/src/google/protobuf/compiler/java/java_helpers.h
@@ -68,6 +68,9 @@ string FileClassName(const FileDescriptor* file);
 // Returns the file's Java package name.
 string FileJavaPackage(const FileDescriptor* file);
 
+// Returns output directory for the given package name.
+string JavaPackageToDir(string package_name);
+
 // Converts the given fully-qualified name in the proto namespace to its
 // fully-qualified name in the Java namespace, given that it is in the given
 // file.
@@ -118,6 +121,7 @@ JavaType GetJavaType(const FieldDescriptor* field);
 const char* BoxedPrimitiveTypeName(JavaType type);
 
 string DefaultValue(const FieldDescriptor* field);
+bool IsDefaultValueJavaDefault(const FieldDescriptor* field);
 
 // Does this message class keep track of unknown fields?
 inline bool HasUnknownFields(const Descriptor* descriptor) {
@@ -133,6 +137,11 @@ inline bool HasGeneratedMethods(const Descriptor* descriptor) {
            FileOptions::CODE_SIZE;
 }
 
+// Does this message have specialized equals() and hashCode() methods?
+inline bool HasEqualsAndHashCode(const Descriptor* descriptor) {
+  return descriptor->file()->options().java_generate_equals_and_hash();
+}
+
 // Does this message class have descriptor and reflection methods?
 inline bool HasDescriptorMethods(const Descriptor* descriptor) {
   return descriptor->file()->options().optimize_for() !=
@@ -147,6 +156,12 @@ inline bool HasDescriptorMethods(const FileDescriptor* descriptor) {
            FileOptions::LITE_RUNTIME;
 }
 
+inline bool HasNestedBuilders(const Descriptor* descriptor) {
+  // The proto-lite version doesn't support nested builders.
+  return descriptor->file()->options().optimize_for() !=
+           FileOptions::LITE_RUNTIME;
+}
+
 // Should we generate generic services for this file?
 inline bool HasGenericServices(const FileDescriptor *file) {
   return file->service_count() > 0 &&
@@ -154,6 +169,43 @@ inline bool HasGenericServices(const FileDescriptor *file) {
          file->options().java_generic_services();
 }
 
+
+// Methods for shared bitfields.
+
+// Gets the name of the shared bitfield for the given index.
+string GetBitFieldName(int index);
+
+// Gets the name of the shared bitfield for the given bit index.
+// Effectively, GetBitFieldName(bitIndex / 32)
+string GetBitFieldNameForBit(int bitIndex);
+
+// Generates the java code for the expression that returns the boolean value
+// of the bit of the shared bitfields for the given bit index.
+// Example: "((bitField1_ & 0x04) == 0x04)"
+string GenerateGetBit(int bitIndex);
+
+// Generates the java code for the expression that sets the bit of the shared
+// bitfields for the given bit index.
+// Example: "bitField1_ = (bitField1_ | 0x04)"
+string GenerateSetBit(int bitIndex);
+
+// Generates the java code for the expression that clears the bit of the shared
+// bitfields for the given bit index.
+// Example: "bitField1_ = (bitField1_ & ~0x04)"
+string GenerateClearBit(int bitIndex);
+
+// Does the same as GenerateGetBit but operates on the bit field on a local
+// variable. This is used by the builder to copy the value in the builder to
+// the message.
+// Example: "((from_bitField1_ & 0x04) == 0x04)"
+string GenerateGetBitFromLocal(int bitIndex);
+
+// Does the same as GenerateSetBit but operates on the bit field on a local
+// variable. This is used by the builder to copy the value in the builder to
+// the message.
+// Example: "to_bitField1_ = (to_bitField1_ | 0x04)"
+string GenerateSetBitToLocal(int bitIndex);
+
 }  // namespace java
 }  // namespace compiler
 }  // namespace protobuf