Update //third_party/protobuf to version 3.

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

Index: third_party/protobuf/src/google/protobuf/compiler/javanano/javanano_primitive_field.cc
diff --git a/third_party/protobuf/src/google/protobuf/compiler/javanano/javanano_primitive_field.cc b/third_party/protobuf/src/google/protobuf/compiler/javanano/javanano_primitive_field.cc
new file mode 100644
index 0000000000000000000000000000000000000000..978abf2ce404592e62d33060944bd82b4bd89dfc
--- /dev/null
+++ b/third_party/protobuf/src/google/protobuf/compiler/javanano/javanano_primitive_field.cc
@@ -0,0 +1,968 @@
+// 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 <map>
+#include <math.h>
+#include <string>
+
+#include <google/protobuf/compiler/javanano/javanano_primitive_field.h>
+#include <google/protobuf/stubs/common.h>
+#include <google/protobuf/compiler/javanano/javanano_helpers.h>
+#include <google/protobuf/io/printer.h>
+#include <google/protobuf/wire_format.h>
+#include <google/protobuf/stubs/strutil.h>
+#include <google/protobuf/stubs/substitute.h>
+
+namespace google {
+namespace protobuf {
+namespace compiler {
+namespace javanano {
+
+using internal::WireFormat;
+using internal::WireFormatLite;
+
+namespace {
+
+bool IsReferenceType(JavaType type) {
+  switch (type) {
+    case JAVATYPE_INT    : return false;
+    case JAVATYPE_LONG   : return false;
+    case JAVATYPE_FLOAT  : return false;
+    case JAVATYPE_DOUBLE : return false;
+    case JAVATYPE_BOOLEAN: return false;
+    case JAVATYPE_STRING : return true;
+    case JAVATYPE_BYTES  : return true;
+    case JAVATYPE_ENUM   : return false;
+    case JAVATYPE_MESSAGE: return true;
+
+    // No default because we want the compiler to complain if any new
+    // JavaTypes are added.
+  }
+
+  GOOGLE_LOG(FATAL) << "Can't get here.";
+  return false;
+}
+
+bool IsArrayType(JavaType type) {
+  switch (type) {
+    case JAVATYPE_INT    : return false;
+    case JAVATYPE_LONG   : return false;
+    case JAVATYPE_FLOAT  : return false;
+    case JAVATYPE_DOUBLE : return false;
+    case JAVATYPE_BOOLEAN: return false;
+    case JAVATYPE_STRING : return false;
+    case JAVATYPE_BYTES  : return true;
+    case JAVATYPE_ENUM   : return false;
+    case JAVATYPE_MESSAGE: return false;
+
+    // No default because we want the compiler to complain if any new
+    // JavaTypes are added.
+  }
+
+  GOOGLE_LOG(FATAL) << "Can't get here.";
+  return false;
+}
+
+const char* GetCapitalizedType(const FieldDescriptor* field) {
+  switch (field->type()) {
+    case FieldDescriptor::TYPE_INT32   : return "Int32"   ;
+    case FieldDescriptor::TYPE_UINT32  : return "UInt32"  ;
+    case FieldDescriptor::TYPE_SINT32  : return "SInt32"  ;
+    case FieldDescriptor::TYPE_FIXED32 : return "Fixed32" ;
+    case FieldDescriptor::TYPE_SFIXED32: return "SFixed32";
+    case FieldDescriptor::TYPE_INT64   : return "Int64"   ;
+    case FieldDescriptor::TYPE_UINT64  : return "UInt64"  ;
+    case FieldDescriptor::TYPE_SINT64  : return "SInt64"  ;
+    case FieldDescriptor::TYPE_FIXED64 : return "Fixed64" ;
+    case FieldDescriptor::TYPE_SFIXED64: return "SFixed64";
+    case FieldDescriptor::TYPE_FLOAT   : return "Float"   ;
+    case FieldDescriptor::TYPE_DOUBLE  : return "Double"  ;
+    case FieldDescriptor::TYPE_BOOL    : return "Bool"    ;
+    case FieldDescriptor::TYPE_STRING  : return "String"  ;
+    case FieldDescriptor::TYPE_BYTES   : return "Bytes"   ;
+    case FieldDescriptor::TYPE_ENUM    : return "Enum"    ;
+    case FieldDescriptor::TYPE_GROUP   : return "Group"   ;
+    case FieldDescriptor::TYPE_MESSAGE : return "Message" ;
+
+    // No default because we want the compiler to complain if any new
+    // types are added.
+  }
+
+  GOOGLE_LOG(FATAL) << "Can't get here.";
+  return NULL;
+}
+
+// For encodings with fixed sizes, returns that size in bytes.  Otherwise
+// returns -1.
+int FixedSize(FieldDescriptor::Type type) {
+  switch (type) {
+    case FieldDescriptor::TYPE_INT32   : return -1;
+    case FieldDescriptor::TYPE_INT64   : return -1;
+    case FieldDescriptor::TYPE_UINT32  : return -1;
+    case FieldDescriptor::TYPE_UINT64  : return -1;
+    case FieldDescriptor::TYPE_SINT32  : return -1;
+    case FieldDescriptor::TYPE_SINT64  : return -1;
+    case FieldDescriptor::TYPE_FIXED32 : return WireFormatLite::kFixed32Size;
+    case FieldDescriptor::TYPE_FIXED64 : return WireFormatLite::kFixed64Size;
+    case FieldDescriptor::TYPE_SFIXED32: return WireFormatLite::kSFixed32Size;
+    case FieldDescriptor::TYPE_SFIXED64: return WireFormatLite::kSFixed64Size;
+    case FieldDescriptor::TYPE_FLOAT   : return WireFormatLite::kFloatSize;
+    case FieldDescriptor::TYPE_DOUBLE  : return WireFormatLite::kDoubleSize;
+
+    case FieldDescriptor::TYPE_BOOL    : return WireFormatLite::kBoolSize;
+    case FieldDescriptor::TYPE_ENUM    : return -1;
+
+    case FieldDescriptor::TYPE_STRING  : return -1;
+    case FieldDescriptor::TYPE_BYTES   : return -1;
+    case FieldDescriptor::TYPE_GROUP   : return -1;
+    case FieldDescriptor::TYPE_MESSAGE : return -1;
+
+    // No default because we want the compiler to complain if any new
+    // types are added.
+  }
+  GOOGLE_LOG(FATAL) << "Can't get here.";
+  return -1;
+}
+
+bool AllAscii(const string& text) {
+  for (int i = 0; i < text.size(); i++) {
+    if ((text[i] & 0x80) != 0) {
+      return false;
+    }
+  }
+  return true;
+}
+
+
+void SetPrimitiveVariables(const FieldDescriptor* descriptor, const Params params,
+                           map<string, string>* variables) {
+  (*variables)["name"] =
+    RenameJavaKeywords(UnderscoresToCamelCase(descriptor));
+  (*variables)["capitalized_name"] =
+    RenameJavaKeywords(UnderscoresToCapitalizedCamelCase(descriptor));
+  (*variables)["number"] = SimpleItoa(descriptor->number());
+  if (params.use_reference_types_for_primitives()
+      && !descriptor->is_repeated()) {
+    (*variables)["type"] = BoxedPrimitiveTypeName(GetJavaType(descriptor));
+  } else {
+    (*variables)["type"] = PrimitiveTypeName(GetJavaType(descriptor));
+  }
+  // Deals with defaults. For C++-string types (string and bytes),
+  // we might need to have the generated code do the unicode decoding
+  // (see comments in InternalNano.java for gory details.). We would
+  // like to do this once into a static field and re-use that from
+  // then on.
+  if (descriptor->cpp_type() == FieldDescriptor::CPPTYPE_STRING &&
+      !descriptor->default_value_string().empty() &&
+      !params.use_reference_types_for_primitives()) {
+    if (descriptor->type() == FieldDescriptor::TYPE_BYTES) {
+      (*variables)["default"] = DefaultValue(params, descriptor);
+      (*variables)["default_constant"] = FieldDefaultConstantName(descriptor);
+      (*variables)["default_constant_value"] = strings::Substitute(
+          "com.google.protobuf.nano.InternalNano.bytesDefaultValue(\"$0\")",
+          CEscape(descriptor->default_value_string()));
+      (*variables)["default_copy_if_needed"] =
+          (*variables)["default"] + ".clone()";
+    } else if (AllAscii(descriptor->default_value_string())) {
+      // All chars are ASCII.  In this case directly referencing a
+      // CEscape()'d string literal works fine.
+      (*variables)["default"] =
+          "\"" + CEscape(descriptor->default_value_string()) + "\"";
+      (*variables)["default_copy_if_needed"] = (*variables)["default"];
+    } else {
+      // Strings where some chars are non-ASCII. We need to save the
+      // default value.
+      (*variables)["default"] = DefaultValue(params, descriptor);
+      (*variables)["default_constant"] = FieldDefaultConstantName(descriptor);
+      (*variables)["default_constant_value"] = strings::Substitute(
+          "com.google.protobuf.nano.InternalNano.stringDefaultValue(\"$0\")",
+          CEscape(descriptor->default_value_string()));
+      (*variables)["default_copy_if_needed"] = (*variables)["default"];
+    }
+  } else {
+    // Non-string, non-bytes field. Defaults are literals.
+    (*variables)["default"] = DefaultValue(params, descriptor);
+    (*variables)["default_copy_if_needed"] = (*variables)["default"];
+  }
+  (*variables)["boxed_type"] = BoxedPrimitiveTypeName(GetJavaType(descriptor));
+  (*variables)["capitalized_type"] = GetCapitalizedType(descriptor);
+  (*variables)["tag"] = SimpleItoa(WireFormat::MakeTag(descriptor));
+  (*variables)["tag_size"] = SimpleItoa(
+      WireFormat::TagSize(descriptor->number(), descriptor->type()));
+  (*variables)["non_packed_tag"] = SimpleItoa(
+      internal::WireFormatLite::MakeTag(descriptor->number(),
+          internal::WireFormat::WireTypeForFieldType(descriptor->type())));
+  int fixed_size = FixedSize(descriptor->type());
+  if (fixed_size != -1) {
+    (*variables)["fixed_size"] = SimpleItoa(fixed_size);
+  }
+  (*variables)["message_name"] = descriptor->containing_type()->name();
+  (*variables)["empty_array_name"] = EmptyArrayName(params, descriptor);
+}
+}  // namespace
+
+// ===================================================================
+
+PrimitiveFieldGenerator::
+PrimitiveFieldGenerator(const FieldDescriptor* descriptor, const Params& params)
+  : FieldGenerator(params), descriptor_(descriptor) {
+  SetPrimitiveVariables(descriptor, params, &variables_);
+}
+
+PrimitiveFieldGenerator::~PrimitiveFieldGenerator() {}
+
+bool PrimitiveFieldGenerator::SavedDefaultNeeded() const {
+  return variables_.find("default_constant") != variables_.end();
+}
+
+void PrimitiveFieldGenerator::GenerateInitSavedDefaultCode(io::Printer* printer) const {
+  if (variables_.find("default_constant") != variables_.end()) {
+    printer->Print(variables_,
+      "$default_constant$ = $default_constant_value$;\n");
+  }
+}
+
+void PrimitiveFieldGenerator::
+GenerateMembers(io::Printer* printer, bool lazy_init) const {
+  if (variables_.find("default_constant") != variables_.end()) {
+    // Those primitive types that need a saved default.
+    if (lazy_init) {
+      printer->Print(variables_,
+        "private static $type$ $default_constant$;\n");
+    } else {
+      printer->Print(variables_,
+        "private static final $type$ $default_constant$ =\n"
+        "    $default_constant_value$;\n");
+    }
+  }
+
+  printer->Print(variables_,
+    "public $type$ $name$;\n");
+
+  if (params_.generate_has()) {
+    printer->Print(variables_,
+      "public boolean has$capitalized_name$;\n");
+  }
+}
+
+void PrimitiveFieldGenerator::
+GenerateClearCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "$name$ = $default_copy_if_needed$;\n");
+
+  if (params_.generate_has()) {
+    printer->Print(variables_,
+      "has$capitalized_name$ = false;\n");
+  }
+}
+
+void PrimitiveFieldGenerator::
+GenerateMergingCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "this.$name$ = input.read$capitalized_type$();\n");
+
+  if (params_.generate_has()) {
+    printer->Print(variables_,
+      "has$capitalized_name$ = true;\n");
+  }
+}
+
+void PrimitiveFieldGenerator::
+GenerateSerializationConditional(io::Printer* printer) const {
+  if (params_.use_reference_types_for_primitives()) {
+    // For reference type mode, serialize based on equality
+    // to null.
+    printer->Print(variables_,
+      "if (this.$name$ != null) {\n");
+    return;
+  }
+  if (params_.generate_has()) {
+    printer->Print(variables_,
+      "if (has$capitalized_name$ || ");
+  } else {
+    printer->Print(variables_,
+      "if (");
+  }
+  JavaType java_type = GetJavaType(descriptor_);
+  if (IsArrayType(java_type)) {
+    printer->Print(variables_,
+      "!java.util.Arrays.equals(this.$name$, $default$)) {\n");
+  } else if (IsReferenceType(java_type)) {
+    printer->Print(variables_,
+      "!this.$name$.equals($default$)) {\n");
+  } else if (java_type == JAVATYPE_FLOAT) {
+    printer->Print(variables_,
+      "java.lang.Float.floatToIntBits(this.$name$)\n"
+      "    != java.lang.Float.floatToIntBits($default$)) {\n");
+  } else if (java_type == JAVATYPE_DOUBLE) {
+    printer->Print(variables_,
+      "java.lang.Double.doubleToLongBits(this.$name$)\n"
+      "    != java.lang.Double.doubleToLongBits($default$)) {\n");
+  } else {
+    printer->Print(variables_,
+      "this.$name$ != $default$) {\n");
+  }
+}
+
+void PrimitiveFieldGenerator::
+GenerateSerializationCode(io::Printer* printer) const {
+  if (descriptor_->is_required() && !params_.generate_has()) {
+    // Always serialize a required field if we don't have the 'has' signal.
+    printer->Print(variables_,
+      "output.write$capitalized_type$($number$, this.$name$);\n");
+  } else {
+    GenerateSerializationConditional(printer);
+    printer->Print(variables_,
+      "  output.write$capitalized_type$($number$, this.$name$);\n"
+      "}\n");
+  }
+}
+
+void PrimitiveFieldGenerator::
+GenerateSerializedSizeCode(io::Printer* printer) const {
+  if (descriptor_->is_required() && !params_.generate_has()) {
+    printer->Print(variables_,
+      "size += com.google.protobuf.nano.CodedOutputByteBufferNano\n"
+      "    .compute$capitalized_type$Size($number$, this.$name$);\n");
+  } else {
+    GenerateSerializationConditional(printer);
+    printer->Print(variables_,
+      "  size += com.google.protobuf.nano.CodedOutputByteBufferNano\n"
+      "      .compute$capitalized_type$Size($number$, this.$name$);\n"
+      "}\n");
+  }
+}
+
+void RepeatedPrimitiveFieldGenerator::
+GenerateFixClonedCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "if (this.$name$ != null && this.$name$.length > 0) {\n"
+    "  cloned.$name$ = this.$name$.clone();\n"
+    "}\n");
+}
+
+void PrimitiveFieldGenerator::
+GenerateEqualsCode(io::Printer* printer) const {
+  // We define equality as serialized form equality. If generate_has(),
+  // then if the field value equals the default value in both messages,
+  // but one's 'has' field is set and the other's is not, the serialized
+  // forms are different and we should return false.
+  JavaType java_type = GetJavaType(descriptor_);
+  if (java_type == JAVATYPE_BYTES) {
+    printer->Print(variables_,
+      "if (!java.util.Arrays.equals(this.$name$, other.$name$)");
+    if (params_.generate_has()) {
+      printer->Print(variables_,
+        "\n"
+        "    || (java.util.Arrays.equals(this.$name$, $default$)\n"
+        "        && this.has$capitalized_name$ != other.has$capitalized_name$)");
+    }
+    printer->Print(") {\n"
+      "  return false;\n"
+      "}\n");
+  } else if (java_type == JAVATYPE_STRING
+      || params_.use_reference_types_for_primitives()) {
+    printer->Print(variables_,
+      "if (this.$name$ == null) {\n"
+      "  if (other.$name$ != null) {\n"
+      "    return false;\n"
+      "  }\n"
+      "} else if (!this.$name$.equals(other.$name$)");
+    if (params_.generate_has()) {
+      printer->Print(variables_,
+        "\n"
+        "    || (this.$name$.equals($default$)\n"
+        "        && this.has$capitalized_name$ != other.has$capitalized_name$)");
+    }
+    printer->Print(") {\n"
+      "  return false;\n"
+      "}\n");
+  } else if (java_type == JAVATYPE_FLOAT) {
+    printer->Print(variables_,
+      "{\n"
+      "  int bits = java.lang.Float.floatToIntBits(this.$name$);\n"
+      "  if (bits != java.lang.Float.floatToIntBits(other.$name$)");
+    if (params_.generate_has()) {
+      printer->Print(variables_,
+        "\n"
+        "      || (bits == java.lang.Float.floatToIntBits($default$)\n"
+        "          && this.has$capitalized_name$ != other.has$capitalized_name$)");
+    }
+    printer->Print(") {\n"
+      "    return false;\n"
+      "  }\n"
+      "}\n");
+  } else if (java_type == JAVATYPE_DOUBLE) {
+    printer->Print(variables_,
+      "{\n"
+      "  long bits = java.lang.Double.doubleToLongBits(this.$name$);\n"
+      "  if (bits != java.lang.Double.doubleToLongBits(other.$name$)");
+    if (params_.generate_has()) {
+      printer->Print(variables_,
+        "\n"
+        "      || (bits == java.lang.Double.doubleToLongBits($default$)\n"
+        "          && this.has$capitalized_name$ != other.has$capitalized_name$)");
+    }
+    printer->Print(") {\n"
+      "    return false;\n"
+      "  }\n"
+      "}\n");
+  } else {
+    printer->Print(variables_,
+      "if (this.$name$ != other.$name$");
+    if (params_.generate_has()) {
+      printer->Print(variables_,
+        "\n"
+        "    || (this.$name$ == $default$\n"
+        "        && this.has$capitalized_name$ != other.has$capitalized_name$)");
+    }
+    printer->Print(") {\n"
+      "  return false;\n"
+      "}\n");
+  }
+}
+
+void PrimitiveFieldGenerator::
+GenerateHashCodeCode(io::Printer* printer) const {
+  JavaType java_type = GetJavaType(descriptor_);
+  if (java_type == JAVATYPE_BYTES) {
+    printer->Print(variables_,
+      "result = 31 * result + java.util.Arrays.hashCode(this.$name$);\n");
+  } else if (java_type == JAVATYPE_STRING
+      || params_.use_reference_types_for_primitives()) {
+    printer->Print(variables_,
+      "result = 31 * result\n"
+      "    + (this.$name$ == null ? 0 : this.$name$.hashCode());\n");
+  } else {
+    switch (java_type) {
+      // For all Java primitive types below, the hash codes match the
+      // results of BoxedType.valueOf(primitiveValue).hashCode().
+      case JAVATYPE_INT:
+        printer->Print(variables_,
+          "result = 31 * result + this.$name$;\n");
+        break;
+      case JAVATYPE_LONG:
+        printer->Print(variables_,
+          "result = 31 * result\n"
+          "    + (int) (this.$name$ ^ (this.$name$ >>> 32));\n");
+        break;
+      case JAVATYPE_FLOAT:
+        printer->Print(variables_,
+          "result = 31 * result\n"
+          "    + java.lang.Float.floatToIntBits(this.$name$);\n");
+        break;
+      case JAVATYPE_DOUBLE:
+        printer->Print(variables_,
+          "{\n"
+          "  long v = java.lang.Double.doubleToLongBits(this.$name$);\n"
+          "  result = 31 * result + (int) (v ^ (v >>> 32));\n"
+          "}\n");
+        break;
+      case JAVATYPE_BOOLEAN:
+        printer->Print(variables_,
+          "result = 31 * result + (this.$name$ ? 1231 : 1237);\n");
+        break;
+      default:
+        GOOGLE_LOG(ERROR) << "unknown java type for primitive field";
+        break;
+    }
+  }
+}
+
+// ===================================================================
+
+AccessorPrimitiveFieldGenerator::
+AccessorPrimitiveFieldGenerator(const FieldDescriptor* descriptor,
+     const Params& params, int has_bit_index)
+  : FieldGenerator(params), descriptor_(descriptor) {
+  SetPrimitiveVariables(descriptor, params, &variables_);
+  SetBitOperationVariables("has", has_bit_index, &variables_);
+}
+
+AccessorPrimitiveFieldGenerator::~AccessorPrimitiveFieldGenerator() {}
+
+bool AccessorPrimitiveFieldGenerator::SavedDefaultNeeded() const {
+  return variables_.find("default_constant") != variables_.end();
+}
+
+void AccessorPrimitiveFieldGenerator::
+GenerateInitSavedDefaultCode(io::Printer* printer) const {
+  if (variables_.find("default_constant") != variables_.end()) {
+    printer->Print(variables_,
+      "$default_constant$ = $default_constant_value$;\n");
+  }
+}
+
+void AccessorPrimitiveFieldGenerator::
+GenerateMembers(io::Printer* printer, bool lazy_init) const {
+  if (variables_.find("default_constant") != variables_.end()) {
+    // Those primitive types that need a saved default.
+    if (lazy_init) {
+      printer->Print(variables_,
+        "private static $type$ $default_constant$;\n");
+    } else {
+      printer->Print(variables_,
+        "private static final $type$ $default_constant$ =\n"
+        "    $default_constant_value$;\n");
+    }
+  }
+  printer->Print(variables_,
+    "private $type$ $name$_;\n"
+    "public $type$ get$capitalized_name$() {\n"
+    "  return $name$_;\n"
+    "}\n"
+    "public $message_name$ set$capitalized_name$($type$ value) {\n");
+  if (IsReferenceType(GetJavaType(descriptor_))) {
+    printer->Print(variables_,
+      "  if (value == null) {\n"
+      "    throw new java.lang.NullPointerException();\n"
+      "  }\n");
+  }
+  printer->Print(variables_,
+    "  $name$_ = value;\n"
+    "  $set_has$;\n"
+    "  return this;\n"
+    "}\n"
+    "public boolean has$capitalized_name$() {\n"
+    "  return $get_has$;\n"
+    "}\n"
+    "public $message_name$ clear$capitalized_name$() {\n"
+    "  $name$_ = $default_copy_if_needed$;\n"
+    "  $clear_has$;\n"
+    "  return this;\n"
+    "}\n");
+}
+
+void AccessorPrimitiveFieldGenerator::
+GenerateClearCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "$name$_ = $default_copy_if_needed$;\n");
+}
+
+void AccessorPrimitiveFieldGenerator::
+GenerateMergingCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "$name$_ = input.read$capitalized_type$();\n"
+    "$set_has$;\n");
+}
+
+void AccessorPrimitiveFieldGenerator::
+GenerateSerializationCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "if ($get_has$) {\n"
+    "  output.write$capitalized_type$($number$, $name$_);\n"
+    "}\n");
+}
+
+void AccessorPrimitiveFieldGenerator::
+GenerateSerializedSizeCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "if ($get_has$) {\n"
+    "  size += com.google.protobuf.nano.CodedOutputByteBufferNano\n"
+    "      .compute$capitalized_type$Size($number$, $name$_);\n"
+    "}\n");
+}
+
+void AccessorPrimitiveFieldGenerator::
+GenerateEqualsCode(io::Printer* printer) const {
+  switch (GetJavaType(descriptor_)) {
+    // For all Java primitive types below, the equality checks match the
+    // results of BoxedType.valueOf(primitiveValue).equals(otherValue).
+    case JAVATYPE_FLOAT:
+      printer->Print(variables_,
+        "if ($different_has$\n"
+        "    || java.lang.Float.floatToIntBits($name$_)\n"
+        "        != java.lang.Float.floatToIntBits(other.$name$_)) {\n"
+        "  return false;\n"
+        "}\n");
+      break;
+    case JAVATYPE_DOUBLE:
+      printer->Print(variables_,
+        "if ($different_has$\n"
+        "    || java.lang.Double.doubleToLongBits($name$_)\n"
+        "        != java.lang.Double.doubleToLongBits(other.$name$_)) {\n"
+        "  return false;\n"
+        "}\n");
+      break;
+    case JAVATYPE_INT:
+    case JAVATYPE_LONG:
+    case JAVATYPE_BOOLEAN:
+      printer->Print(variables_,
+        "if ($different_has$\n"
+        "    || $name$_ != other.$name$_) {\n"
+        "  return false;\n"
+        "}\n");
+      break;
+    case JAVATYPE_STRING:
+      // Accessor style would guarantee $name$_ non-null
+      printer->Print(variables_,
+        "if ($different_has$\n"
+        "    || !$name$_.equals(other.$name$_)) {\n"
+        "  return false;\n"
+        "}\n");
+      break;
+    case JAVATYPE_BYTES:
+      // Accessor style would guarantee $name$_ non-null
+      printer->Print(variables_,
+        "if ($different_has$\n"
+        "    || !java.util.Arrays.equals($name$_, other.$name$_)) {\n"
+        "  return false;\n"
+        "}\n");
+      break;
+    default:
+      GOOGLE_LOG(ERROR) << "unknown java type for primitive field";
+      break;
+  }
+}
+
+void AccessorPrimitiveFieldGenerator::
+GenerateHashCodeCode(io::Printer* printer) const {
+  switch (GetJavaType(descriptor_)) {
+    // For all Java primitive types below, the hash codes match the
+    // results of BoxedType.valueOf(primitiveValue).hashCode().
+    case JAVATYPE_INT:
+      printer->Print(variables_,
+        "result = 31 * result + $name$_;\n");
+      break;
+    case JAVATYPE_LONG:
+      printer->Print(variables_,
+        "result = 31 * result + (int) ($name$_ ^ ($name$_ >>> 32));\n");
+      break;
+    case JAVATYPE_FLOAT:
+      printer->Print(variables_,
+        "result = 31 * result +\n"
+        "    java.lang.Float.floatToIntBits($name$_);\n");
+      break;
+    case JAVATYPE_DOUBLE:
+      printer->Print(variables_,
+        "{\n"
+        "  long v = java.lang.Double.doubleToLongBits($name$_);\n"
+        "  result = 31 * result + (int) (v ^ (v >>> 32));\n"
+        "}\n");
+      break;
+    case JAVATYPE_BOOLEAN:
+      printer->Print(variables_,
+        "result = 31 * result + ($name$_ ? 1231 : 1237);\n");
+      break;
+    case JAVATYPE_STRING:
+      // Accessor style would guarantee $name$_ non-null
+      printer->Print(variables_,
+        "result = 31 * result + $name$_.hashCode();\n");
+      break;
+    case JAVATYPE_BYTES:
+      // Accessor style would guarantee $name$_ non-null
+      printer->Print(variables_,
+        "result = 31 * result + java.util.Arrays.hashCode($name$_);\n");
+      break;
+    default:
+      GOOGLE_LOG(ERROR) << "unknown java type for primitive field";
+      break;
+  }
+}
+
+// ===================================================================
+
+PrimitiveOneofFieldGenerator::PrimitiveOneofFieldGenerator(
+    const FieldDescriptor* descriptor, const Params& params)
+  : FieldGenerator(params), descriptor_(descriptor) {
+    SetPrimitiveVariables(descriptor, params, &variables_);
+    SetCommonOneofVariables(descriptor, &variables_);
+}
+
+PrimitiveOneofFieldGenerator::~PrimitiveOneofFieldGenerator() {}
+
+void PrimitiveOneofFieldGenerator::GenerateMembers(
+    io::Printer* printer, bool /*unused lazy_init*/) const {
+  printer->Print(variables_,
+    "public boolean has$capitalized_name$() {\n"
+    "  return $has_oneof_case$;\n"
+    "}\n"
+    "public $type$ get$capitalized_name$() {\n"
+    "  if ($has_oneof_case$) {\n"
+    "    return ($type$) ($boxed_type$) this.$oneof_name$_;\n"
+    "  }\n"
+    "  return $default$;\n"
+    "}\n"
+    "public $message_name$ set$capitalized_name$($type$ value) {\n"
+    "  $set_oneof_case$;\n"
+    "  this.$oneof_name$_ = value;\n"
+    "  return this;\n"
+    "}\n");
+}
+
+void PrimitiveOneofFieldGenerator::GenerateClearCode(
+    io::Printer* printer) const {
+  // No clear method for oneof fields.
+}
+
+void PrimitiveOneofFieldGenerator::GenerateMergingCode(
+    io::Printer* printer) const {
+  printer->Print(variables_,
+    "this.$oneof_name$_ = input.read$capitalized_type$();\n"
+    "$set_oneof_case$;\n");
+}
+
+void PrimitiveOneofFieldGenerator::GenerateSerializationCode(
+    io::Printer* printer) const {
+  printer->Print(variables_,
+    "if ($has_oneof_case$) {\n"
+    "  output.write$capitalized_type$(\n"
+    "      $number$, ($boxed_type$) this.$oneof_name$_);\n"
+    "}\n");
+}
+
+void PrimitiveOneofFieldGenerator::GenerateSerializedSizeCode(
+    io::Printer* printer) const {
+  printer->Print(variables_,
+    "if ($has_oneof_case$) {\n"
+    "  size += com.google.protobuf.nano.CodedOutputByteBufferNano\n"
+    "      .compute$capitalized_type$Size(\n"
+    "          $number$, ($boxed_type$) this.$oneof_name$_);\n"
+    "}\n");
+}
+
+void PrimitiveOneofFieldGenerator::GenerateEqualsCode(
+    io::Printer* printer) const {
+  GenerateOneofFieldEquals(descriptor_, variables_, printer);
+}
+
+void PrimitiveOneofFieldGenerator::GenerateHashCodeCode(
+    io::Printer* printer) const {
+  GenerateOneofFieldHashCode(descriptor_, variables_, printer);
+}
+
+// ===================================================================
+
+RepeatedPrimitiveFieldGenerator::RepeatedPrimitiveFieldGenerator(
+    const FieldDescriptor* descriptor, const Params& params)
+  : FieldGenerator(params), descriptor_(descriptor) {
+  SetPrimitiveVariables(descriptor, params, &variables_);
+}
+
+RepeatedPrimitiveFieldGenerator::~RepeatedPrimitiveFieldGenerator() {}
+
+void RepeatedPrimitiveFieldGenerator::
+GenerateMembers(io::Printer* printer, bool /*unused init_defaults*/) const {
+  printer->Print(variables_,
+    "public $type$[] $name$;\n");
+}
+
+void RepeatedPrimitiveFieldGenerator::
+GenerateClearCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "$name$ = $default$;\n");
+}
+
+void RepeatedPrimitiveFieldGenerator::
+GenerateMergingCode(io::Printer* printer) const {
+  // First, figure out the length of the array, then parse.
+  printer->Print(variables_,
+    "int arrayLength = com.google.protobuf.nano.WireFormatNano\n"
+    "    .getRepeatedFieldArrayLength(input, $non_packed_tag$);\n"
+    "int i = this.$name$ == null ? 0 : this.$name$.length;\n");
+
+  if (GetJavaType(descriptor_) == JAVATYPE_BYTES) {
+    printer->Print(variables_,
+      "byte[][] newArray = new byte[i + arrayLength][];\n");
+  } else {
+    printer->Print(variables_,
+      "$type$[] newArray = new $type$[i + arrayLength];\n");
+  }
+  printer->Print(variables_,
+    "if (i != 0) {\n"
+    "  java.lang.System.arraycopy(this.$name$, 0, newArray, 0, i);\n"
+    "}\n"
+    "for (; i < newArray.length - 1; i++) {\n"
+    "  newArray[i] = input.read$capitalized_type$();\n"
+    "  input.readTag();\n"
+    "}\n"
+    "// Last one without readTag.\n"
+    "newArray[i] = input.read$capitalized_type$();\n"
+    "this.$name$ = newArray;\n");
+}
+
+void RepeatedPrimitiveFieldGenerator::
+GenerateMergingCodeFromPacked(io::Printer* printer) const {
+  printer->Print(
+    "int length = input.readRawVarint32();\n"
+    "int limit = input.pushLimit(length);\n");
+
+  // If we know the elements will all be of the same size, the arrayLength
+  // can be calculated much more easily. However, FixedSize() returns 1 for
+  // repeated bool fields, which are guaranteed to have the fixed size of
+  // 1 byte per value only if we control the output. On the wire they can
+  // legally appear as variable-size integers, so we need to use the slow
+  // way for repeated bool fields.
+  if (descriptor_->type() == FieldDescriptor::TYPE_BOOL
+      || FixedSize(descriptor_->type()) == -1) {
+    printer->Print(variables_,
+      "// First pass to compute array length.\n"
+      "int arrayLength = 0;\n"
+      "int startPos = input.getPosition();\n"
+      "while (input.getBytesUntilLimit() > 0) {\n"
+      "  input.read$capitalized_type$();\n"
+      "  arrayLength++;\n"
+      "}\n"
+      "input.rewindToPosition(startPos);\n");
+  } else {
+    printer->Print(variables_,
+      "int arrayLength = length / $fixed_size$;\n");
+  }
+
+  printer->Print(variables_,
+    "int i = this.$name$ == null ? 0 : this.$name$.length;\n"
+    "$type$[] newArray = new $type$[i + arrayLength];\n"
+    "if (i != 0) {\n"
+    "  java.lang.System.arraycopy(this.$name$, 0, newArray, 0, i);\n"
+    "}\n"
+    "for (; i < newArray.length; i++) {\n"
+    "  newArray[i] = input.read$capitalized_type$();\n"
+    "}\n"
+    "this.$name$ = newArray;\n"
+    "input.popLimit(limit);\n");
+}
+
+void RepeatedPrimitiveFieldGenerator::
+GenerateRepeatedDataSizeCode(io::Printer* printer) const {
+  // Creates a variable dataSize and puts the serialized size in there.
+  // If the element type is a Java reference type, also generates
+  // dataCount which stores the number of non-null elements in the field.
+  if (IsReferenceType(GetJavaType(descriptor_))) {
+    printer->Print(variables_,
+      "int dataCount = 0;\n"
+      "int dataSize = 0;\n"
+      "for (int i = 0; i < this.$name$.length; i++) {\n"
+      "  $type$ element = this.$name$[i];\n"
+      "  if (element != null) {\n"
+      "    dataCount++;\n"
+      "    dataSize += com.google.protobuf.nano.CodedOutputByteBufferNano\n"
+      "        .compute$capitalized_type$SizeNoTag(element);\n"
+      "  }\n"
+      "}\n");
+  } else if (FixedSize(descriptor_->type()) == -1) {
+    printer->Print(variables_,
+      "int dataSize = 0;\n"
+      "for (int i = 0; i < this.$name$.length; i++) {\n"
+      "  $type$ element = this.$name$[i];\n"
+      "  dataSize += com.google.protobuf.nano.CodedOutputByteBufferNano\n"
+      "      .compute$capitalized_type$SizeNoTag(element);\n"
+      "}\n");
+  } else {
+    printer->Print(variables_,
+      "int dataSize = $fixed_size$ * this.$name$.length;\n");
+  }
+}
+
+void RepeatedPrimitiveFieldGenerator::
+GenerateSerializationCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "if (this.$name$ != null && this.$name$.length > 0) {\n");
+  printer->Indent();
+
+  if (descriptor_->is_packable() && descriptor_->options().packed()) {
+    GenerateRepeatedDataSizeCode(printer);
+    printer->Print(variables_,
+      "output.writeRawVarint32($tag$);\n"
+      "output.writeRawVarint32(dataSize);\n"
+      "for (int i = 0; i < this.$name$.length; i++) {\n"
+      "  output.write$capitalized_type$NoTag(this.$name$[i]);\n"
+      "}\n");
+  } else if (IsReferenceType(GetJavaType(descriptor_))) {
+    printer->Print(variables_,
+      "for (int i = 0; i < this.$name$.length; i++) {\n"
+      "  $type$ element = this.$name$[i];\n"
+      "  if (element != null) {\n"
+      "    output.write$capitalized_type$($number$, element);\n"
+      "  }\n"
+      "}\n");
+  } else {
+    printer->Print(variables_,
+      "for (int i = 0; i < this.$name$.length; i++) {\n"
+      "  output.write$capitalized_type$($number$, this.$name$[i]);\n"
+      "}\n");
+  }
+
+  printer->Outdent();
+  printer->Print("}\n");
+}
+
+void RepeatedPrimitiveFieldGenerator::
+GenerateSerializedSizeCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "if (this.$name$ != null && this.$name$.length > 0) {\n");
+  printer->Indent();
+
+  GenerateRepeatedDataSizeCode(printer);
+
+  printer->Print(
+    "size += dataSize;\n");
+  if (descriptor_->is_packable() && descriptor_->options().packed()) {
+    printer->Print(variables_,
+      "size += $tag_size$;\n"
+      "size += com.google.protobuf.nano.CodedOutputByteBufferNano\n"
+      "    .computeRawVarint32Size(dataSize);\n");
+  } else if (IsReferenceType(GetJavaType(descriptor_))) {
+    printer->Print(variables_,
+      "size += $tag_size$ * dataCount;\n");
+  } else {
+    printer->Print(variables_,
+      "size += $tag_size$ * this.$name$.length;\n");
+  }
+
+  printer->Outdent();
+
+  printer->Print(
+    "}\n");
+}
+
+void RepeatedPrimitiveFieldGenerator::
+GenerateEqualsCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "if (!com.google.protobuf.nano.InternalNano.equals(\n"
+    "    this.$name$, other.$name$)) {\n"
+    "  return false;\n"
+    "}\n");
+}
+
+void RepeatedPrimitiveFieldGenerator::
+GenerateHashCodeCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "result = 31 * result\n"
+    "    + com.google.protobuf.nano.InternalNano.hashCode(this.$name$);\n");
+}
+
+}  // namespace javanano
+}  // namespace compiler
+}  // namespace protobuf
+}  // namespace google