Revert https://codereview.chromium.org/1291903002 (protobuf roll).

third_party/protobuf/src/google/protobuf/compiler/javanano/javanano_field.cc

Index: third_party/protobuf/src/google/protobuf/compiler/javanano/javanano_field.cc
diff --git a/third_party/protobuf/src/google/protobuf/compiler/javanano/javanano_field.cc b/third_party/protobuf/src/google/protobuf/compiler/javanano/javanano_field.cc
deleted file mode 100644
index 85257f3f732d5bc90340b80c205eee03f27cc118..0000000000000000000000000000000000000000
--- a/third_party/protobuf/src/google/protobuf/compiler/javanano/javanano_field.cc
+++ /dev/null
@@ -1,209 +0,0 @@
-// Protocol Buffers - Google's data interchange format
-// Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// Author: kenton@google.com (Kenton Varda)
-//  Based on original Protocol Buffers design by
-//  Sanjay Ghemawat, Jeff Dean, and others.
-
-#include <google/protobuf/compiler/javanano/javanano_field.h>
-#include <google/protobuf/compiler/javanano/javanano_helpers.h>
-#include <google/protobuf/compiler/javanano/javanano_primitive_field.h>
-#include <google/protobuf/compiler/javanano/javanano_enum_field.h>
-#include <google/protobuf/compiler/javanano/javanano_map_field.h>
-#include <google/protobuf/compiler/javanano/javanano_message_field.h>
-#include <google/protobuf/stubs/common.h>
-
-namespace google {
-namespace protobuf {
-namespace compiler {
-namespace javanano {
-
-FieldGenerator::~FieldGenerator() {}
-
-bool FieldGenerator::SavedDefaultNeeded() const {
-  // No saved default for this field by default.
-  // Subclasses whose instances may need saved defaults will override this
-  // and return the appropriate value.
-  return false;
-}
-
-void FieldGenerator::GenerateInitSavedDefaultCode(io::Printer* printer) const {
-  // No saved default for this field by default.
-  // Subclasses whose instances may need saved defaults will override this
-  // and generate the appropriate init code to the printer.
-}
-
-void FieldGenerator::GenerateMergingCodeFromPacked(io::Printer* printer) const {
-  // Reaching here indicates a bug. Cases are:
-  //   - This FieldGenerator should support packing, but this method should be
-  //     overridden.
-  //   - This FieldGenerator doesn't support packing, and this method should
-  //     never have been called.
-  GOOGLE_LOG(FATAL) << "GenerateParsingCodeFromPacked() "
-             << "called on field generator that does not support packing.";
-}
-
-// =============================================
-
-FieldGeneratorMap::FieldGeneratorMap(
-    const Descriptor* descriptor, const Params &params)
-  : descriptor_(descriptor),
-    field_generators_(
-      new scoped_ptr<FieldGenerator>[descriptor->field_count()]) {
-
-  int next_has_bit_index = 0;
-  bool saved_defaults_needed = false;
-  // Construct all the FieldGenerators.
-  for (int i = 0; i < descriptor->field_count(); i++) {
-    FieldGenerator* field_generator = MakeGenerator(
-        descriptor->field(i), params, &next_has_bit_index);
-    saved_defaults_needed = saved_defaults_needed
-        || field_generator->SavedDefaultNeeded();
-    field_generators_[i].reset(field_generator);
-  }
-  total_bits_ = next_has_bit_index;
-  saved_defaults_needed_ = saved_defaults_needed;
-}
-
-FieldGenerator* FieldGeneratorMap::MakeGenerator(const FieldDescriptor* field,
-    const Params &params, int* next_has_bit_index) {
-  JavaType java_type = GetJavaType(field);
-  if (field->is_repeated()) {
-    switch (java_type) {
-      case JAVATYPE_MESSAGE:
-        if (IsMapEntry(field->message_type())) {
-          return new MapFieldGenerator(field, params);
-        } else {
-          return new RepeatedMessageFieldGenerator(field, params);
-        }
-      case JAVATYPE_ENUM:
-        return new RepeatedEnumFieldGenerator(field, params);
-      default:
-        return new RepeatedPrimitiveFieldGenerator(field, params);
-    }
-  } else if (field->containing_oneof()) {
-    switch (java_type) {
-      case JAVATYPE_MESSAGE:
-        return new MessageOneofFieldGenerator(field, params);
-      case JAVATYPE_ENUM:
-      default:
-        return new PrimitiveOneofFieldGenerator(field, params);
-    }
-  } else if (params.optional_field_accessors() && field->is_optional()
-      && java_type != JAVATYPE_MESSAGE) {
-    // We need a has-bit for each primitive/enum field because their default
-    // values could be same as explicitly set values. But we don't need it
-    // for a message field because they have no defaults and Nano uses 'null'
-    // for unset messages, which cannot be set explicitly.
-    switch (java_type) {
-      case JAVATYPE_ENUM:
-        return new AccessorEnumFieldGenerator(
-            field, params, (*next_has_bit_index)++);
-      default:
-        return new AccessorPrimitiveFieldGenerator(
-            field, params, (*next_has_bit_index)++);
-    }
-  } else {
-    switch (java_type) {
-      case JAVATYPE_MESSAGE:
-        return new MessageFieldGenerator(field, params);
-      case JAVATYPE_ENUM:
-        return new EnumFieldGenerator(field, params);
-      default:
-        return new PrimitiveFieldGenerator(field, params);
-    }
-  }
-}
-
-FieldGeneratorMap::~FieldGeneratorMap() {}
-
-const FieldGenerator& FieldGeneratorMap::get(
-    const FieldDescriptor* field) const {
-  GOOGLE_CHECK_EQ(field->containing_type(), descriptor_);
-  return *field_generators_[field->index()];
-}
-
-void SetCommonOneofVariables(const FieldDescriptor* descriptor,
-                             map<string, string>* variables) {
-  (*variables)["oneof_name"] =
-      UnderscoresToCamelCase(descriptor->containing_oneof());
-  (*variables)["oneof_capitalized_name"] =
-      UnderscoresToCapitalizedCamelCase(descriptor->containing_oneof());
-  (*variables)["oneof_index"] =
-      SimpleItoa(descriptor->containing_oneof()->index());
-  (*variables)["set_oneof_case"] =
-      "this." + (*variables)["oneof_name"] +
-      "Case_ = " + SimpleItoa(descriptor->number());
-  (*variables)["clear_oneof_case"] =
-      "this." + (*variables)["oneof_name"] + "Case_ = 0";
-  (*variables)["has_oneof_case"] =
-      "this." + (*variables)["oneof_name"] + "Case_ == " +
-      SimpleItoa(descriptor->number());
-}
-
-void GenerateOneofFieldEquals(const FieldDescriptor* descriptor,
-                              const map<string, string>& variables,
-                              io::Printer* printer) {
-  if (GetJavaType(descriptor) == JAVATYPE_BYTES) {
-    printer->Print(variables,
-      "if (this.has$capitalized_name$()) {\n"
-      "  if (!java.util.Arrays.equals((byte[]) this.$oneof_name$_,\n"
-      "                               (byte[]) other.$oneof_name$_)) {\n"
-      "    return false;\n"
-      "  }\n"
-      "}\n");
-  } else {
-    printer->Print(variables,
-      "if (this.has$capitalized_name$()) {\n"
-      "  if (!this.$oneof_name$_.equals(other.$oneof_name$_)) {\n"
-      "    return false;\n"
-      "  }\n"
-      "}\n");
-  }
-}
-
-void GenerateOneofFieldHashCode(const FieldDescriptor* descriptor,
-                                const map<string, string>& variables,
-                                io::Printer* printer) {
-  if (GetJavaType(descriptor) == JAVATYPE_BYTES) {
-    printer->Print(variables,
-      "result = 31 * result + ($has_oneof_case$\n"
-      "   ? java.util.Arrays.hashCode((byte[]) this.$oneof_name$_) : 0);\n");
-  } else {
-    printer->Print(variables,
-      "result = 31 * result +\n"
-      "  ($has_oneof_case$ ? this.$oneof_name$_.hashCode() : 0);\n");
-  }
-}
-
-}  // namespace javanano
-}  // namespace compiler
-}  // namespace protobuf
-}  // namespace google