text:
// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc.  All rights reserved.
// https://developers.google.com/protocol-buffers/
//
// 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 <string>

#include <google/protobuf/stubs/logging.h>
#include <google/protobuf/stubs/common.h>
#include <google/protobuf/compiler/java/java_context.h>
#include <google/protobuf/compiler/java/java_doc_comment.h>
#include <google/protobuf/compiler/java/java_helpers.h>
#include <google/protobuf/compiler/java/java_name_resolver.h>
#include <google/protobuf/compiler/java/java_primitive_field.h>
#include <google/protobuf/io/printer.h>
#include <google/protobuf/wire_format.h>
#include <google/protobuf/stubs/strutil.h>

namespace google {
namespace protobuf {
namespace compiler {
namespace java {

using internal::WireFormat;
using internal::WireFormatLite;

namespace {

void SetPrimitiveVariables(const FieldDescriptor* descriptor,
                           int messageBitIndex,
                           int builderBitIndex,
                           const FieldGeneratorInfo* info,
                           ClassNameResolver* name_resolver,
                           std::map<string, string>* variables) {
  SetCommonFieldVariables(descriptor, info, variables);

  (*variables)["type"] = PrimitiveTypeName(GetJavaType(descriptor));
  (*variables)["boxed_type"] = BoxedPrimitiveTypeName(GetJavaType(descriptor));
  (*variables)["field_type"] = (*variables)["type"];
  (*variables)["field_list_type"] = "java.util.List<" +
      (*variables)["boxed_type"] + ">";
  (*variables)["empty_list"] = "java.util.Collections.emptyList()";
  (*variables)["default"] = ImmutableDefaultValue(descriptor, name_resolver);
  (*variables)["default_init"] = IsDefaultValueJavaDefault(descriptor) ?
      "" : ("= " + ImmutableDefaultValue(descriptor, name_resolver));
  (*variables)["capitalized_type"] =
      GetCapitalizedType(descriptor, /* immutable = */ true);
  (*variables)["tag"] =
      SimpleItoa(static_cast<int32>(WireFormat::MakeTag(descriptor)));
  (*variables)["tag_size"] = SimpleItoa(
      WireFormat::TagSize(descriptor->number(), GetType(descriptor)));
  if (IsReferenceType(GetJavaType(descriptor))) {
    (*variables)["null_check"] =
        "  if (value == null) {\n"
        "    throw new NullPointerException();\n"
        "  }\n";
  } else {
    (*variables)["null_check"] = "";
  }
  // TODO(birdo): Add @deprecated javadoc when generating javadoc is supported
  // by the proto compiler
  (*variables)["deprecation"] = descriptor->options().deprecated()
      ? "@java.lang.Deprecated " : "";
  int fixed_size = FixedSize(GetType(descriptor));
  if (fixed_size != -1) {
    (*variables)["fixed_size"] = SimpleItoa(fixed_size);
  }
  (*variables)["on_changed"] = "onChanged();";

  if (SupportFieldPresence(descriptor->file())) {
    // For singular messages and builders, one bit is used for the hasField bit.
    (*variables)["get_has_field_bit_message"] = GenerateGetBit(messageBitIndex);
    (*variables)["get_has_field_bit_builder"] = GenerateGetBit(builderBitIndex);

    // Note that these have a trailing ";".
    (*variables)["set_has_field_bit_message"] =
        GenerateSetBit(messageBitIndex) + ";";
    (*variables)["set_has_field_bit_builder"] =
        GenerateSetBit(builderBitIndex) + ";";
    (*variables)["clear_has_field_bit_builder"] =
        GenerateClearBit(builderBitIndex) + ";";

    (*variables)["is_field_present_message"] = GenerateGetBit(messageBitIndex);
  } else {
    (*variables)["set_has_field_bit_message"] = "";
    (*variables)["set_has_field_bit_builder"] = "";
    (*variables)["clear_has_field_bit_builder"] = "";

    if (descriptor->type() == FieldDescriptor::TYPE_BYTES) {
      (*variables)["is_field_present_message"] =
          "!" + (*variables)["name"] + "_.isEmpty()";
    } else {
      (*variables)["is_field_present_message"] =
          (*variables)["name"] + "_ != " + (*variables)["default"];
    }
  }

  // For repated builders, one bit is used for whether the array is immutable.
  (*variables)["get_mutable_bit_builder"] = GenerateGetBit(builderBitIndex);
  (*variables)["set_mutable_bit_builder"] = GenerateSetBit(builderBitIndex);
  (*variables)["clear_mutable_bit_builder"] = GenerateClearBit(builderBitIndex);

  // For repeated fields, one bit is used for whether the array is immutable
  // in the parsing constructor.
  (*variables)["get_mutable_bit_parser"] =
      GenerateGetBitMutableLocal(builderBitIndex);
  (*variables)["set_mutable_bit_parser"] =
      GenerateSetBitMutableLocal(builderBitIndex);

  (*variables)["get_has_field_bit_from_local"] =
      GenerateGetBitFromLocal(builderBitIndex);
  (*variables)["set_has_field_bit_to_local"] =
      GenerateSetBitToLocal(messageBitIndex);
}

}  // namespace

// ===================================================================

ImmutablePrimitiveFieldGenerator::
ImmutablePrimitiveFieldGenerator(const FieldDescriptor* descriptor,
                                 int messageBitIndex,
                                 int builderBitIndex,
                                 Context* context)
  : descriptor_(descriptor), messageBitIndex_(messageBitIndex),
    builderBitIndex_(builderBitIndex), context_(context),
    name_resolver_(context->GetNameResolver()) {
  SetPrimitiveVariables(descriptor, messageBitIndex, builderBitIndex,
                        context->GetFieldGeneratorInfo(descriptor),
                        name_resolver_, &variables_);
}

ImmutablePrimitiveFieldGenerator::~ImmutablePrimitiveFieldGenerator() {}

int ImmutablePrimitiveFieldGenerator::GetNumBitsForMessage() const {
  return 1;
}

int ImmutablePrimitiveFieldGenerator::GetNumBitsForBuilder() const {
  return 1;
}

void ImmutablePrimitiveFieldGenerator::
GenerateInterfaceMembers(io::Printer* printer) const {
  if (SupportFieldPresence(descriptor_->file())) {
    WriteFieldDocComment(printer, descriptor_);
    printer->Print(variables_,
      "$deprecation$boolean has$capitalized_name$();\n");
  }
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$$type$ get$capitalized_name$();\n");
}

void ImmutablePrimitiveFieldGenerator::
GenerateMembers(io::Printer* printer) const {
  printer->Print(variables_,
    "private $field_type$ $name$_;\n");
  PrintExtraFieldInfo(variables_, printer);
  if (SupportFieldPresence(descriptor_->file())) {
    WriteFieldDocComment(printer, descriptor_);
    printer->Print(variables_,
      "$deprecation$public boolean ${$has$capitalized_name$$}$() {\n"
      "  return $get_has_field_bit_message$;\n"
      "}\n");
    printer->Annotate("{", "}", descriptor_);
  }

  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public $type$ ${$get$capitalized_name$$}$() {\n"
    "  return $name$_;\n"
    "}\n");
  printer->Annotate("{", "}", descriptor_);
}

void ImmutablePrimitiveFieldGenerator::
GenerateBuilderMembers(io::Printer* printer) const {
  printer->Print(variables_,
    "private $field_type$ $name$_ $default_init$;\n");

  if (SupportFieldPresence(descriptor_->file())) {
    WriteFieldDocComment(printer, descriptor_);
    printer->Print(variables_,
      "$deprecation$public boolean ${$has$capitalized_name$$}$() {\n"
      "  return $get_has_field_bit_builder$;\n"
      "}\n");
    printer->Annotate("{", "}", descriptor_);
  }

  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public $type$ ${$get$capitalized_name$$}$() {\n"
    "  return $name$_;\n"
    "}\n");
  printer->Annotate("{", "}", descriptor_);

  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public Builder ${$set$capitalized_name$$}$($type$ value) {\n"
    "$null_check$"
    "  $set_has_field_bit_builder$\n"
    "  $name$_ = value;\n"
    "  $on_changed$\n"
    "  return this;\n"
    "}\n");
  printer->Annotate("{", "}", descriptor_);

  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public Builder ${$clear$capitalized_name$$}$() {\n"
    "  $clear_has_field_bit_builder$\n");
  printer->Annotate("{", "}", descriptor_);
  JavaType type = GetJavaType(descriptor_);
  if (type == JAVATYPE_STRING || type == JAVATYPE_BYTES) {
    // The default value is not a simple literal so we want to avoid executing
    // it multiple times.  Instead, get the default out of the default instance.
    printer->Print(variables_,
      "  $name$_ = getDefaultInstance().get$capitalized_name$();\n");
  } else {
    printer->Print(variables_,
      "  $name$_ = $default$;\n");
  }
  printer->Print(variables_,
    "  $on_changed$\n"
    "  return this;\n"
    "}\n");
}

void ImmutablePrimitiveFieldGenerator::
GenerateFieldBuilderInitializationCode(io::Printer* printer)  const {
  // noop for primitives
}

void ImmutablePrimitiveFieldGenerator::
GenerateInitializationCode(io::Printer* printer) const {
  printer->Print(variables_, "$name$_ = $default$;\n");
}

void ImmutablePrimitiveFieldGenerator::
GenerateBuilderClearCode(io::Printer* printer) const {
  printer->Print(variables_,
    "$name$_ = $default$;\n"
    "$clear_has_field_bit_builder$\n");
}

void ImmutablePrimitiveFieldGenerator::
GenerateMergingCode(io::Printer* printer) const {
  if (SupportFieldPresence(descriptor_->file())) {
    printer->Print(variables_,
      "if (other.has$capitalized_name$()) {\n"
      "  set$capitalized_name$(other.get$capitalized_name$());\n"
      "}\n");
  } else {
    printer->Print(variables_,
      "if (other.get$capitalized_name$() != $default$) {\n"
      "  set$capitalized_name$(other.get$capitalized_name$());\n"
      "}\n");
  }
}

void ImmutablePrimitiveFieldGenerator::
GenerateBuildingCode(io::Printer* printer) const {
  if (SupportFieldPresence(descriptor_->file())) {
    printer->Print(variables_,
      "if ($get_has_field_bit_from_local$) {\n"
      "  $set_has_field_bit_to_local$;\n"
      "}\n");
  }
  printer->Print(variables_,
    "result.$name$_ = $name$_;\n");
}

void ImmutablePrimitiveFieldGenerator::
GenerateParsingCode(io::Printer* printer) const {
  printer->Print(variables_,
    "$set_has_field_bit_message$\n"
    "$name$_ = input.read$capitalized_type$();\n");
}

void ImmutablePrimitiveFieldGenerator::
GenerateParsingDoneCode(io::Printer* printer) const {
  // noop for primitives.
}

void ImmutablePrimitiveFieldGenerator::
GenerateSerializationCode(io::Printer* printer) const {
  printer->Print(variables_,
    "if ($is_field_present_message$) {\n"
    "  output.write$capitalized_type$($number$, $name$_);\n"
    "}\n");
}

void ImmutablePrimitiveFieldGenerator::
GenerateSerializedSizeCode(io::Printer* printer) const {
  printer->Print(variables_,
    "if ($is_field_present_message$) {\n"
    "  size += com.google.protobuf.CodedOutputStream\n"
    "    .compute$capitalized_type$Size($number$, $name$_);\n"
    "}\n");
}

void ImmutablePrimitiveFieldGenerator::
GenerateEqualsCode(io::Printer* printer) const {
  switch (GetJavaType(descriptor_)) {
    case JAVATYPE_INT:
    case JAVATYPE_LONG:
    case JAVATYPE_BOOLEAN:
      printer->Print(variables_,
        "result = result && (get$capitalized_name$()\n"
        "    == other.get$capitalized_name$());\n");
      break;

    case JAVATYPE_FLOAT:
      printer->Print(variables_,
        "result = result && (\n"
        "    java.lang.Float.floatToIntBits(get$capitalized_name$())\n"
        "    == java.lang.Float.floatToIntBits(\n"
        "        other.get$capitalized_name$()));\n");
      break;

    case JAVATYPE_DOUBLE:
      printer->Print(variables_,
        "result = result && (\n"
        "    java.lang.Double.doubleToLongBits(get$capitalized_name$())\n"
        "    == java.lang.Double.doubleToLongBits(\n"
        "        other.get$capitalized_name$()));\n");
      break;

    case JAVATYPE_STRING:
    case JAVATYPE_BYTES:
      printer->Print(variables_,
        "result = result && get$capitalized_name$()\n"
        "    .equals(other.get$capitalized_name$());\n");
      break;

    case JAVATYPE_ENUM:
    case JAVATYPE_MESSAGE:
    default:
      GOOGLE_LOG(FATAL) << "Can't get here.";
      break;
  }
}

void ImmutablePrimitiveFieldGenerator::
GenerateHashCode(io::Printer* printer) const {
  printer->Print(variables_,
    "hash = (37 * hash) + $constant_name$;\n");
  switch (GetJavaType(descriptor_)) {
    case JAVATYPE_INT:
      printer->Print(variables_,
        "hash = (53 * hash) + get$capitalized_name$();\n");
      break;

    case JAVATYPE_LONG:
      printer->Print(variables_,
        "hash = (53 * hash) + com.google.protobuf.Internal.hashLong(\n"
        "    get$capitalized_name$());\n");
      break;

    case JAVATYPE_BOOLEAN:
      printer->Print(variables_,
        "hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(\n"
        "    get$capitalized_name$());\n");
      break;

    case JAVATYPE_FLOAT:
      printer->Print(variables_,
        "hash = (53 * hash) + java.lang.Float.floatToIntBits(\n"
        "    get$capitalized_name$());\n");
      break;

    case JAVATYPE_DOUBLE:
      printer->Print(variables_,
        "hash = (53 * hash) + com.google.protobuf.Internal.hashLong(\n"
        "    java.lang.Double.doubleToLongBits(get$capitalized_name$()));\n");
      break;

    case JAVATYPE_STRING:
    case JAVATYPE_BYTES:
      printer->Print(variables_,
        "hash = (53 * hash) + get$capitalized_name$().hashCode();\n");
      break;

    case JAVATYPE_ENUM:
    case JAVATYPE_MESSAGE:
    default:
      GOOGLE_LOG(FATAL) << "Can't get here.";
      break;
  }
}

string ImmutablePrimitiveFieldGenerator::GetBoxedType() const {
  return BoxedPrimitiveTypeName(GetJavaType(descriptor_));
}

// ===================================================================

ImmutablePrimitiveOneofFieldGenerator::
ImmutablePrimitiveOneofFieldGenerator(const FieldDescriptor* descriptor,
                                 int messageBitIndex,
                                 int builderBitIndex,
                                 Context* context)
    : ImmutablePrimitiveFieldGenerator(
          descriptor, messageBitIndex, builderBitIndex, context) {
  const OneofGeneratorInfo* info =
      context->GetOneofGeneratorInfo(descriptor->containing_oneof());
  SetCommonOneofVariables(descriptor, info, &variables_);
}

ImmutablePrimitiveOneofFieldGenerator::
~ImmutablePrimitiveOneofFieldGenerator() {}

void ImmutablePrimitiveOneofFieldGenerator::
GenerateMembers(io::Printer* printer) const {
  PrintExtraFieldInfo(variables_, printer);
  if (SupportFieldPresence(descriptor_->file())) {
    WriteFieldDocComment(printer, descriptor_);
    printer->Print(variables_,
      "$deprecation$public boolean ${$has$capitalized_name$$}$() {\n"
      "  return $has_oneof_case_message$;\n"
      "}\n");
    printer->Annotate("{", "}", descriptor_);
  }

  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public $type$ ${$get$capitalized_name$$}$() {\n"
    "  if ($has_oneof_case_message$) {\n"
    "    return ($boxed_type$) $oneof_name$_;\n"
    "  }\n"
    "  return $default$;\n"
    "}\n");
  printer->Annotate("{", "}", descriptor_);
}

void ImmutablePrimitiveOneofFieldGenerator::
GenerateBuilderMembers(io::Printer* printer) const {
  if (SupportFieldPresence(descriptor_->file())) {
    WriteFieldDocComment(printer, descriptor_);
    printer->Print(variables_,
      "$deprecation$public boolean ${$has$capitalized_name$$}$() {\n"
      "  return $has_oneof_case_message$;\n"
      "}\n");
    printer->Annotate("{", "}", descriptor_);
  }

  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public $type$ ${$get$capitalized_name$$}$() {\n"
    "  if ($has_oneof_case_message$) {\n"
    "    return ($boxed_type$) $oneof_name$_;\n"
    "  }\n"
    "  return $default$;\n"
    "}\n");
  printer->Annotate("{", "}", descriptor_);

  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public Builder ${$set$capitalized_name$$}$($type$ value) {\n"
    "$null_check$"
    "  $set_oneof_case_message$;\n"
    "  $oneof_name$_ = value;\n"
    "  $on_changed$\n"
    "  return this;\n"
    "}\n");
  printer->Annotate("{", "}", descriptor_);

  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public Builder ${$clear$capitalized_name$$}$() {\n"
    "  if ($has_oneof_case_message$) {\n"
    "    $clear_oneof_case_message$;\n"
    "    $oneof_name$_ = null;\n"
    "    $on_changed$\n"
    "  }\n"
    "  return this;\n"
    "}\n");
  printer->Annotate("{", "}", descriptor_);
}

void ImmutablePrimitiveOneofFieldGenerator::
GenerateBuildingCode(io::Printer* printer) const {
  printer->Print(variables_,
    "if ($has_oneof_case_message$) {\n"
    "  result.$oneof_name$_ = $oneof_name$_;\n"
    "}\n");
}

void ImmutablePrimitiveOneofFieldGenerator::
GenerateMergingCode(io::Printer* printer) const {
  printer->Print(variables_,
    "set$capitalized_name$(other.get$capitalized_name$());\n");
}

void ImmutablePrimitiveOneofFieldGenerator::
GenerateParsingCode(io::Printer* printer) const {
  printer->Print(variables_,
    "$set_oneof_case_message$;\n"
    "$oneof_name$_ = input.read$capitalized_type$();\n");
}

void ImmutablePrimitiveOneofFieldGenerator::
GenerateSerializationCode(io::Printer* printer) const {
  printer->Print(variables_,
    "if ($has_oneof_case_message$) {\n"
    "  output.write$capitalized_type$(\n");
  // $type$ and $boxed_type$ is the same for bytes fields so we don't need to
  // do redundant casts.
  if (GetJavaType(descriptor_) == JAVATYPE_BYTES) {
    printer->Print(variables_,
      "      $number$, ($type$) $oneof_name$_);\n");
  } else {
    printer->Print(variables_,
      "      $number$, ($type$)(($boxed_type$) $oneof_name$_));\n");
  }
  printer->Print(
    "}\n");
}

void ImmutablePrimitiveOneofFieldGenerator::
GenerateSerializedSizeCode(io::Printer* printer) const {
  printer->Print(variables_,
    "if ($has_oneof_case_message$) {\n"
    "  size += com.google.protobuf.CodedOutputStream\n"
    "    .compute$capitalized_type$Size(\n");
  // $type$ and $boxed_type$ is the same for bytes fields so we don't need to
  // do redundant casts.
  if (GetJavaType(descriptor_) == JAVATYPE_BYTES) {
    printer->Print(variables_,
      "        $number$, ($type$) $oneof_name$_);\n");
  } else {
    printer->Print(variables_,
      "        $number$, ($type$)(($boxed_type$) $oneof_name$_));\n");
  }
  printer->Print(
    "}\n");
}

// ===================================================================

RepeatedImmutablePrimitiveFieldGenerator::
RepeatedImmutablePrimitiveFieldGenerator(const FieldDescriptor* descriptor,
                                         int messageBitIndex,
                                         int builderBitIndex,
                                         Context* context)
  : descriptor_(descriptor), messageBitIndex_(messageBitIndex),
    builderBitIndex_(builderBitIndex), context_(context),
    name_resolver_(context->GetNameResolver()) {
  SetPrimitiveVariables(descriptor, messageBitIndex, builderBitIndex,
                        context->GetFieldGeneratorInfo(descriptor),
                        name_resolver_, &variables_);
}

RepeatedImmutablePrimitiveFieldGenerator::
~RepeatedImmutablePrimitiveFieldGenerator() {}

int RepeatedImmutablePrimitiveFieldGenerator::GetNumBitsForMessage() const {
  return 0;
}

int RepeatedImmutablePrimitiveFieldGenerator::GetNumBitsForBuilder() const {
  return 1;
}

void RepeatedImmutablePrimitiveFieldGenerator::
GenerateInterfaceMembers(io::Printer* printer) const {
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$java.util.List<$boxed_type$> get$capitalized_name$List();\n");
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$int get$capitalized_name$Count();\n");
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$$type$ get$capitalized_name$(int index);\n");
}

void RepeatedImmutablePrimitiveFieldGenerator::
GenerateMembers(io::Printer* printer) const {
  printer->Print(variables_,
    "private $field_list_type$ $name$_;\n");
  PrintExtraFieldInfo(variables_, printer);
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public java.util.List<$boxed_type$>\n"
    "    ${$get$capitalized_name$List$}$() {\n"
    "  return $name$_;\n"   // note:  unmodifiable list
    "}\n");
  printer->Annotate("{", "}", descriptor_);
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public int ${$get$capitalized_name$Count$}$() {\n"
    "  return $name$_.size();\n"
    "}\n");
  printer->Annotate("{", "}", descriptor_);
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public $type$ ${$get$capitalized_name$$}$(int index) {\n"
    "  return $name$_.get(index);\n"
    "}\n");
  printer->Annotate("{", "}", descriptor_);

  if (descriptor_->is_packed() &&
      context_->HasGeneratedMethods(descriptor_->containing_type())) {
    printer->Print(variables_,
      "private int $name$MemoizedSerializedSize = -1;\n");
  }
}

void RepeatedImmutablePrimitiveFieldGenerator::
GenerateBuilderMembers(io::Printer* printer) const {
  // One field is the list and the bit field keeps track of whether the
  // list is immutable. If it's immutable, the invariant is that it must
  // either an instance of Collections.emptyList() or it's an ArrayList
  // wrapped in a Collections.unmodifiableList() wrapper and nobody else has
  // a refererence to the underlying ArrayList. This invariant allows us to
  // share instances of lists between protocol buffers avoiding expensive
  // memory allocations. Note, immutable is a strong guarantee here -- not
  // just that the list cannot be modified via the reference but that the
  // list can never be modified.
  printer->Print(variables_,
    "private $field_list_type$ $name$_ = $empty_list$;\n");

  printer->Print(variables_,
    "private void ensure$capitalized_name$IsMutable() {\n"
    "  if (!$get_mutable_bit_builder$) {\n"
    "    $name$_ = new java.util.ArrayList<$boxed_type$>($name$_);\n"
    "    $set_mutable_bit_builder$;\n"
    "   }\n"
    "}\n");

    // Note:  We return an unmodifiable list because otherwise the caller
    //   could hold on to the returned list and modify it after the message
    //   has been built, thus mutating the message which is supposed to be
    //   immutable.
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public java.util.List<$boxed_type$>\n"
    "    ${$get$capitalized_name$List$}$() {\n"
    "  return java.util.Collections.unmodifiableList($name$_);\n"
    "}\n");
  printer->Annotate("{", "}", descriptor_);
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public int ${$get$capitalized_name$Count$}$() {\n"
    "  return $name$_.size();\n"
    "}\n");
  printer->Annotate("{", "}", descriptor_);
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public $type$ ${$get$capitalized_name$$}$(int index) {\n"
    "  return $name$_.get(index);\n"
    "}\n");
  printer->Annotate("{", "}", descriptor_);
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public Builder ${$set$capitalized_name$$}$(\n"
    "    int index, $type$ value) {\n"
    "$null_check$"
    "  ensure$capitalized_name$IsMutable();\n"
    "  $name$_.set(index, value);\n"
    "  $on_changed$\n"
    "  return this;\n"
    "}\n");
  printer->Annotate("{", "}", descriptor_);
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public Builder ${$add$capitalized_name$$}$($type$ value) {\n"
    "$null_check$"
    "  ensure$capitalized_name$IsMutable();\n"
    "  $name$_.add(value);\n"
    "  $on_changed$\n"
    "  return this;\n"
    "}\n");
  printer->Annotate("{", "}", descriptor_);
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public Builder ${$addAll$capitalized_name$$}$(\n"
    "    java.lang.Iterable<? extends $boxed_type$> values) {\n"
    "  ensure$capitalized_name$IsMutable();\n"
    "  com.google.protobuf.AbstractMessageLite.Builder.addAll(\n"
    "      values, $name$_);\n"
    "  $on_changed$\n"
    "  return this;\n"
    "}\n");
  printer->Annotate("{", "}", descriptor_);
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public Builder ${$clear$capitalized_name$$}$() {\n"
    "  $name$_ = $empty_list$;\n"
    "  $clear_mutable_bit_builder$;\n"
    "  $on_changed$\n"
    "  return this;\n"
    "}\n");
  printer->Annotate("{", "}", descriptor_);
}

void RepeatedImmutablePrimitiveFieldGenerator::
GenerateFieldBuilderInitializationCode(io::Printer* printer)  const {
  // noop for primitives
}

void RepeatedImmutablePrimitiveFieldGenerator::
GenerateInitializationCode(io::Printer* printer) const {
  printer->Print(variables_, "$name$_ = $empty_list$;\n");
}

void RepeatedImmutablePrimitiveFieldGenerator::
GenerateBuilderClearCode(io::Printer* printer) const {
  printer->Print(variables_,
    "$name$_ = $empty_list$;\n"
    "$clear_mutable_bit_builder$;\n");
}

void RepeatedImmutablePrimitiveFieldGenerator::
GenerateMergingCode(io::Printer* printer) const {
  // The code below does two optimizations:
  //   1. If the other list is empty, there's nothing to do. This ensures we
  //      don't allocate a new array if we already have an immutable one.
  //   2. If the other list is non-empty and our current list is empty, we can
  //      reuse the other list which is guaranteed to be immutable.
  printer->Print(variables_,
    "if (!other.$name$_.isEmpty()) {\n"
    "  if ($name$_.isEmpty()) {\n"
    "    $name$_ = other.$name$_;\n"
    "    $clear_mutable_bit_builder$;\n"
    "  } else {\n"
    "    ensure$capitalized_name$IsMutable();\n"
    "    $name$_.addAll(other.$name$_);\n"
    "  }\n"
    "  $on_changed$\n"
    "}\n");
}

void RepeatedImmutablePrimitiveFieldGenerator::
GenerateBuildingCode(io::Printer* printer) const {
  // The code below ensures that the result has an immutable list. If our
  // list is immutable, we can just reuse it. If not, we make it immutable.
  printer->Print(variables_,
    "if ($get_mutable_bit_builder$) {\n"
    "  $name$_ = java.util.Collections.unmodifiableList($name$_);\n"
    "  $clear_mutable_bit_builder$;\n"
    "}\n"
    "result.$name$_ = $name$_;\n");
}

void RepeatedImmutablePrimitiveFieldGenerator::
GenerateParsingCode(io::Printer* printer) const {
  printer->Print(variables_,
    "if (!$get_mutable_bit_parser$) {\n"
    "  $name$_ = new java.util.ArrayList<$boxed_type$>();\n"
    "  $set_mutable_bit_parser$;\n"
    "}\n"
    "$name$_.add(input.read$capitalized_type$());\n");
}

void RepeatedImmutablePrimitiveFieldGenerator::
GenerateParsingCodeFromPacked(io::Printer* printer) const {
  printer->Print(variables_,
    "int length = input.readRawVarint32();\n"
    "int limit = input.pushLimit(length);\n"
    "if (!$get_mutable_bit_parser$ && input.getBytesUntilLimit() > 0) {\n"
    "  $name$_ = new java.util.ArrayList<$boxed_type$>();\n"
    "  $set_mutable_bit_parser$;\n"
    "}\n"
    "while (input.getBytesUntilLimit() > 0) {\n"
    "  $name$_.add(input.read$capitalized_type$());\n"
    "}\n"
    "input.popLimit(limit);\n");
}

void RepeatedImmutablePrimitiveFieldGenerator::
GenerateParsingDoneCode(io::Printer* printer) const {
  printer->Print(variables_,
    "if ($get_mutable_bit_parser$) {\n"
    "  $name$_ = java.util.Collections.unmodifiableList($name$_);\n"
    "}\n");
}

void RepeatedImmutablePrimitiveFieldGenerator::
GenerateSerializationCode(io::Printer* printer) const {
  if (descriptor_->is_packed()) {
    // We invoke getSerializedSize in writeTo for messages that have packed
    // fields in ImmutableMessageGenerator::GenerateMessageSerializationMethods.
    // That makes it safe to rely on the memoized size here.
    printer->Print(variables_,
      "if (get$capitalized_name$List().size() > 0) {\n"
      "  output.writeUInt32NoTag($tag$);\n"
      "  output.writeUInt32NoTag($name$MemoizedSerializedSize);\n"
      "}\n"
      "for (int i = 0; i < $name$_.size(); i++) {\n"
      "  output.write$capitalized_type$NoTag($name$_.get(i));\n"
      "}\n");
  } else {
    printer->Print(variables_,
      "for (int i = 0; i < $name$_.size(); i++) {\n"
      "  output.write$capitalized_type$($number$, $name$_.get(i));\n"
      "}\n");
  }
}

void RepeatedImmutablePrimitiveFieldGenerator::
GenerateSerializedSizeCode(io::Printer* printer) const {
  printer->Print(variables_,
    "{\n"
    "  int dataSize = 0;\n");
  printer->Indent();

  if (FixedSize(GetType(descriptor_)) == -1) {
    printer->Print(variables_,
      "for (int i = 0; i < $name$_.size(); i++) {\n"
      "  dataSize += com.google.protobuf.CodedOutputStream\n"
      "    .compute$capitalized_type$SizeNoTag($name$_.get(i));\n"
      "}\n");
  } else {
    printer->Print(variables_,
      "dataSize = $fixed_size$ * get$capitalized_name$List().size();\n");
  }

  printer->Print(
      "size += dataSize;\n");

  if (descriptor_->is_packed()) {
    printer->Print(variables_,
      "if (!get$capitalized_name$List().isEmpty()) {\n"
      "  size += $tag_size$;\n"
      "  size += com.google.protobuf.CodedOutputStream\n"
      "      .computeInt32SizeNoTag(dataSize);\n"
      "}\n");
  } else {
    printer->Print(variables_,
      "size += $tag_size$ * get$capitalized_name$List().size();\n");
  }

  // cache the data size for packed fields.
  if (descriptor_->is_packed()) {
    printer->Print(variables_,
      "$name$MemoizedSerializedSize = dataSize;\n");
  }

  printer->Outdent();
  printer->Print("}\n");
}

void RepeatedImmutablePrimitiveFieldGenerator::
GenerateEqualsCode(io::Printer* printer) const {
  printer->Print(variables_,
    "result = result && get$capitalized_name$List()\n"
    "    .equals(other.get$capitalized_name$List());\n");
}

void RepeatedImmutablePrimitiveFieldGenerator::
GenerateHashCode(io::Printer* printer) const {
  printer->Print(variables_,
    "if (get$capitalized_name$Count() > 0) {\n"
    "  hash = (37 * hash) + $constant_name$;\n"
    "  hash = (53 * hash) + get$capitalized_name$List().hashCode();\n"
    "}\n");
}

string RepeatedImmutablePrimitiveFieldGenerator::GetBoxedType() const {
  return BoxedPrimitiveTypeName(GetJavaType(descriptor_));
}

}  // namespace java
}  // namespace compiler
}  // namespace protobuf
}  // namespace google


text:
// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc.  All rights reserved.
// https://developers.google.com/protocol-buffers/
//
// 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: dweis@google.com (Daniel Weis)
//  Based on original Protocol Buffers design by
//  Sanjay Ghemawat, Jeff Dean, and others.

#ifndef GOOGLE_PROTOBUF_COMPILER_JAVA_MESSAGE_BUILDER_LITE_H__
#define GOOGLE_PROTOBUF_COMPILER_JAVA_MESSAGE_BUILDER_LITE_H__

#include <string>
#include <map>
#include <google/protobuf/compiler/java/java_field.h>

namespace google {
namespace protobuf {
  namespace compiler {
    namespace java {
      class Context;           // context.h
      class ClassNameResolver; // name_resolver.h
    }
  }
  namespace io {
    class Printer;             // printer.h
  }
}

namespace protobuf {
namespace compiler {
namespace java {

class MessageBuilderLiteGenerator {
 public:
  explicit MessageBuilderLiteGenerator(const Descriptor* descriptor,
                                   Context* context);
  virtual ~MessageBuilderLiteGenerator();

  virtual void Generate(io::Printer* printer);

 private:
  void GenerateCommonBuilderMethods(io::Printer* printer);

  const Descriptor* descriptor_;
  Context* context_;
  ClassNameResolver* name_resolver_;
  FieldGeneratorMap<ImmutableFieldLiteGenerator> field_generators_;

  GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(MessageBuilderLiteGenerator);
};

}  // namespace java
}  // namespace compiler
}  // namespace protobuf

}  // namespace google
#endif  // GOOGLE_PROTOBUF_COMPILER_JAVA_MESSAGE_BUILDER_LITE_H__

mime_type: text/plain


text:
// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc.  All rights reserved.
// https://developers.google.com/protocol-buffers/
//
// 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: xiaofeng@google.com (Feng Xiao)

#include <google/protobuf/compiler/java/java_shared_code_generator.h>

#include <memory>
#ifndef _SHARED_PTR_H
#include <google/protobuf/stubs/shared_ptr.h>
#endif

#include <google/protobuf/compiler/java/java_helpers.h>
#include <google/protobuf/compiler/java/java_name_resolver.h>
#include <google/protobuf/compiler/code_generator.h>
#include <google/protobuf/io/printer.h>
#include <google/protobuf/io/zero_copy_stream.h>
#include <google/protobuf/descriptor.pb.h>
#include <google/protobuf/descriptor.h>
#include <google/protobuf/stubs/strutil.h>

namespace google {
namespace protobuf {
namespace compiler {
namespace java {

SharedCodeGenerator::SharedCodeGenerator(const FileDescriptor* file,
                                         const Options& options)
    : name_resolver_(new ClassNameResolver), file_(file), options_(options) {}

SharedCodeGenerator::~SharedCodeGenerator() {
}

void SharedCodeGenerator::Generate(GeneratorContext* context,
                                   std::vector<string>* file_list,
                                   std::vector<string>* annotation_file_list) {
  string java_package = FileJavaPackage(file_);
  string package_dir = JavaPackageToDir(java_package);

  if (HasDescriptorMethods(file_, options_.enforce_lite)) {
    // Generate descriptors.
    string classname = name_resolver_->GetDescriptorClassName(file_);
    string filename = package_dir + classname + ".java";
    file_list->push_back(filename);
    google::protobuf::scoped_ptr<io::ZeroCopyOutputStream> output(context->Open(filename));
    GeneratedCodeInfo annotations;
    io::AnnotationProtoCollector<GeneratedCodeInfo> annotation_collector(
        &annotations);
    google::protobuf::scoped_ptr<io::Printer> printer(
        new io::Printer(output.get(), '$',
                        options_.annotate_code ? &annotation_collector : NULL));
    string info_relative_path = classname + ".java.pb.meta";
    string info_full_path = filename + ".pb.meta";
    printer->Print(
        "// Generated by the protocol buffer compiler.  DO NOT EDIT!\n"
        "// source: $filename$\n"
        "\n",
        "filename", file_->name());
    if (!java_package.empty()) {
      printer->Print(
        "package $package$;\n"
        "\n",
        "package", java_package);
    }
    PrintGeneratedAnnotation(printer.get(), '$',
                             options_.annotate_code ? info_relative_path : "");
    printer->Print(
        "public final class $classname$ {\n"
        "  public static com.google.protobuf.Descriptors.FileDescriptor\n"
        "      descriptor;\n"
        "  static {\n",
        "classname", classname);
    printer->Annotate("classname", file_->name());
    printer->Indent();
    printer->Indent();
    GenerateDescriptors(printer.get());
    printer->Outdent();
    printer->Outdent();
    printer->Print(
      "  }\n"
      "}\n");

    if (options_.annotate_code) {
      google::protobuf::scoped_ptr<io::ZeroCopyOutputStream> info_output(
          context->Open(info_full_path));
      annotations.SerializeToZeroCopyStream(info_output.get());
      annotation_file_list->push_back(info_full_path);
    }

    printer.reset();
    output.reset();
  }
}

void SharedCodeGenerator::GenerateDescriptors(io::Printer* printer) {
  // Embed the descriptor.  We simply serialize the entire FileDescriptorProto
  // and embed it as a string literal, which is parsed and built into real
  // descriptors at initialization time.  We unfortunately have to put it in
  // a string literal, not a byte array, because apparently using a literal
  // byte array causes the Java compiler to generate *instructions* to
  // initialize each and every byte of the array, e.g. as if you typed:
  //   b[0] = 123; b[1] = 456; b[2] = 789;
  // This makes huge bytecode files and can easily hit the compiler's internal
  // code size limits (error "code to large").  String literals are apparently
  // embedded raw, which is what we want.
  FileDescriptorProto file_proto;
  file_->CopyTo(&file_proto);

  string file_data;
  file_proto.SerializeToString(&file_data);

  printer->Print(
    "java.lang.String[] descriptorData = {\n");
  printer->Indent();

  // Limit the number of bytes per line.
  static const int kBytesPerLine = 40;
  // Limit the number of lines per string part.
  static const int kLinesPerPart = 400;
  // Every block of bytes, start a new string literal, in order to avoid the
  // 64k length limit. Note that this value needs to be <64k.
  static const int kBytesPerPart = kBytesPerLine * kLinesPerPart;
  for (int i = 0; i < file_data.size(); i += kBytesPerLine) {
    if (i > 0) {
      if (i % kBytesPerPart == 0) {
        printer->Print(",\n");
      } else {
        printer->Print(" +\n");
      }
    }
    printer->Print("\"$data$\"",
      "data", CEscape(file_data.substr(i, kBytesPerLine)));
  }

  printer->Outdent();
  printer->Print("\n};\n");

  // -----------------------------------------------------------------
  // Create the InternalDescriptorAssigner.

  printer->Print(
    "com.google.protobuf.Descriptors.FileDescriptor."
    "InternalDescriptorAssigner assigner =\n"
    "    new com.google.protobuf.Descriptors.FileDescriptor."
    "    InternalDescriptorAssigner() {\n"
    "      public com.google.protobuf.ExtensionRegistry assignDescriptors(\n"
    "          com.google.protobuf.Descriptors.FileDescriptor root) {\n"
    "        descriptor = root;\n"
    // Custom options will be handled when immutable messages' outer class is
    // loaded. Here we just return null and let custom options be unknown
    // fields.
    "        return null;\n"
    "      }\n"
    "    };\n");

  // -----------------------------------------------------------------
  // Find out all dependencies.
  std::vector<std::pair<string, string> > dependencies;
  for (int i = 0; i < file_->dependency_count(); i++) {
    string filename = file_->dependency(i)->name();
    string package = FileJavaPackage(file_->dependency(i));
    string classname = name_resolver_->GetDescriptorClassName(
        file_->dependency(i));
    string full_name;
    if (package.empty()) {
      full_name = classname;
    } else {
      full_name = package + "." + classname;
    }
    dependencies.push_back(std::make_pair(filename, full_name));
  }

  // -----------------------------------------------------------------
  // Invoke internalBuildGeneratedFileFrom() to build the file.
  printer->Print(
    "com.google.protobuf.Descriptors.FileDescriptor\n"
    "  .internalBuildGeneratedFileFrom(descriptorData,\n");
  printer->Print(
    "    new com.google.protobuf.Descriptors.FileDescriptor[] {\n");

  for (int i = 0; i < dependencies.size(); i++) {
    const string& dependency = dependencies[i].second;
    printer->Print(
        "      $dependency$.getDescriptor(),\n",
        "dependency", dependency);
  }

  printer->Print(
    "    }, assigner);\n");
}

}  // namespace java
}  // namespace compiler
}  // namespace protobuf
}  // namespace google


text:
// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc.  All rights reserved.
// https://developers.google.com/protocol-buffers/
//
// 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: niwasaki@google.com (Naoki Iwasaki)
//  Based on original Protocol Buffers design by
//  Sanjay Ghemawat, Jeff Dean, and others.

#include <google/protobuf/compiler/java/java_context.h>
#include <google/protobuf/compiler/java/java_lazy_message_field_lite.h>
#include <google/protobuf/compiler/java/java_doc_comment.h>
#include <google/protobuf/compiler/java/java_helpers.h>
#include <google/protobuf/io/printer.h>

namespace google {
namespace protobuf {
namespace compiler {
namespace java {

ImmutableLazyMessageFieldLiteGenerator::
ImmutableLazyMessageFieldLiteGenerator(
    const FieldDescriptor* descriptor,
    int messageBitIndex,
    int builderBitIndex,
    Context* context)
    : ImmutableMessageFieldLiteGenerator(
          descriptor, messageBitIndex, builderBitIndex, context) {
}

ImmutableLazyMessageFieldLiteGenerator::
~ImmutableLazyMessageFieldLiteGenerator() {}

void ImmutableLazyMessageFieldLiteGenerator::
GenerateMembers(io::Printer* printer) const {
  printer->Print(variables_,
    "private com.google.protobuf.LazyFieldLite $name$_;");

  PrintExtraFieldInfo(variables_, printer);
  WriteFieldDocComment(printer, descriptor_);
  if (SupportFieldPresence(descriptor_->file())) {
    printer->Print(variables_,
      "$deprecation$public boolean has$capitalized_name$() {\n"
      "  return $get_has_field_bit_message$;\n"
      "}\n");
  } else {
    printer->Print(variables_,
      "$deprecation$public boolean has$capitalized_name$() {\n"
      "  return $name$_ != null;\n"
      "}\n");
  }

  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public $type$ get$capitalized_name$() {\n"
    "  if ($name$_ == null) {\n"
    "    return $type$.getDefaultInstance();\n"
    "  }\n"
    "  return ($type$) $name$_.getValue($type$.getDefaultInstance());\n"
   "}\n");

  // Field.Builder setField(Field value)
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "private void set$capitalized_name$($type$ value) {\n"
    "  if (value == null) {\n"
    "    throw new NullPointerException();\n"
    "  }\n"
    "  if ($name$_ == null) {\n"
    "    $name$_ = new com.google.protobuf.LazyFieldLite();\n"
    "  }\n"
    "  $name$_.setValue(value);\n"
    "  $set_has_field_bit_message$\n"
    "}\n");

  // Field.Builder setField(Field.Builder builderForValue)
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "private void set$capitalized_name$(\n"
    "    $type$.Builder builderForValue) {\n"
    "  if ($name$_ == null) {\n"
    "    $name$_ = new com.google.protobuf.LazyFieldLite();\n"
    "  }\n"
    "  $name$_.setValue(builderForValue.build());\n"
    "  $set_has_field_bit_message$\n"
    "}\n");

  // Field.Builder mergeField(Field value)
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "private void merge$capitalized_name$($type$ value) {\n"
    "  if (has$capitalized_name$() &&\n"
    "      !$name$_.containsDefaultInstance()) {\n"
    "    $name$_.setValue(\n"
    "      $type$.newBuilder(\n"
    "          get$capitalized_name$()).mergeFrom(value).buildPartial());\n"
    "  } else {\n"
    "    if ($name$_ == null) {\n"
    "      $name$_ = new com.google.protobuf.LazyFieldLite();\n"
    "    }\n"
    "    $name$_.setValue(value);\n"
    "    $set_has_field_bit_message$\n"
    "  }\n"
    "}\n");

  // Field.Builder clearField()
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "private void clear$capitalized_name$() {\n"
    "  $name$_ = null;\n"
    "  $clear_has_field_bit_message$;\n"
    "}\n");
}

void ImmutableLazyMessageFieldLiteGenerator::
GenerateBuilderMembers(io::Printer* printer) const {
  // The comments above the methods below are based on a hypothetical
  // field of type "Field" called "Field".

  // boolean hasField()
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public boolean has$capitalized_name$() {\n"
    "  return instance.has$capitalized_name$();\n"
    "}\n");

  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public $type$ get$capitalized_name$() {\n"
    "  return instance.get$capitalized_name$();\n"
    "}\n");

  // Field.Builder setField(Field value)
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public Builder set$capitalized_name$($type$ value) {\n"
    "  copyOnWrite();\n"
    "  instance.set$capitalized_name$(value);\n"
    "  return this;\n"
    "}\n");

  // Field.Builder setField(Field.Builder builderForValue)
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public Builder set$capitalized_name$(\n"
    "    $type$.Builder builderForValue) {\n"
    "  copyOnWrite();\n"
    "  instance.set$capitalized_name$(builderForValue);\n"
    "  return this;\n"
    "}\n");

  // Field.Builder mergeField(Field value)
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public Builder merge$capitalized_name$($type$ value) {\n"
    "  copyOnWrite();\n"
    "  instance.merge$capitalized_name$(value);\n"
    "  return this;\n"
    "}\n");

  // Field.Builder clearField()
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public Builder clear$capitalized_name$() {\n"
    "  copyOnWrite();\n"
    "  instance.clear$capitalized_name$();\n"
    "  return this;\n"
    "}\n");
}

void ImmutableLazyMessageFieldLiteGenerator::
GenerateInitializationCode(io::Printer* printer) const {}

void ImmutableLazyMessageFieldLiteGenerator::
GenerateVisitCode(io::Printer* printer) const {
  printer->Print(variables_,
    "$name$_ = visitor.visitLazyMessage($name$_, other.$name$_);\n");
}

void ImmutableLazyMessageFieldLiteGenerator::
GenerateParsingCode(io::Printer* printer) const {
  printer->Print(variables_,
    "if ($name$_ == null) {\n"
    "  $name$_ = new com.google.protobuf.LazyFieldLite();\n"
    "}\n"
    "$name$_.mergeFrom(input, extensionRegistry);\n");
  printer->Print(variables_,
    "$set_has_field_bit_message$\n");
}

void ImmutableLazyMessageFieldLiteGenerator::
GenerateSerializationCode(io::Printer* printer) const {
  // Do not de-serialize lazy fields.
  printer->Print(variables_,
    "if (has$capitalized_name$()) {\n"
    "  output.writeBytes($number$, $name$_.toByteString());\n"
    "}\n");
}

void ImmutableLazyMessageFieldLiteGenerator::
GenerateSerializedSizeCode(io::Printer* printer) const {
  printer->Print(variables_,
    "if (has$capitalized_name$()) {\n"
    "  size += com.google.protobuf.CodedOutputStream\n"
    "    .computeLazyFieldSize($number$, $name$_);\n"
    "}\n");
}

// ===================================================================

ImmutableLazyMessageOneofFieldLiteGenerator::
ImmutableLazyMessageOneofFieldLiteGenerator(const FieldDescriptor* descriptor,
                                            int messageBitIndex,
                                            int builderBitIndex,
                                            Context* context)
    : ImmutableLazyMessageFieldLiteGenerator(
          descriptor, messageBitIndex, builderBitIndex, context) {
  const OneofGeneratorInfo* info =
      context->GetOneofGeneratorInfo(descriptor->containing_oneof());
  SetCommonOneofVariables(descriptor, info, &variables_);
  variables_["lazy_type"] = "com.google.protobuf.LazyFieldLite";
}

ImmutableLazyMessageOneofFieldLiteGenerator::
~ImmutableLazyMessageOneofFieldLiteGenerator() {}

void ImmutableLazyMessageOneofFieldLiteGenerator::
GenerateMembers(io::Printer* printer) const {
  PrintExtraFieldInfo(variables_, printer);
  WriteFieldDocComment(printer, descriptor_);

  printer->Print(variables_,
    "$deprecation$public boolean has$capitalized_name$() {\n"
    "  return $has_oneof_case_message$;\n"
    "}\n");
  WriteFieldDocComment(printer, descriptor_);

  printer->Print(variables_,
    "$deprecation$public $type$ get$capitalized_name$() {\n"
    "  if ($has_oneof_case_message$) {\n"
    "    return ($type$) (($lazy_type$) $oneof_name$_).getValue(\n"
    "        $type$.getDefaultInstance());\n"
    "  }\n"
    "  return $type$.getDefaultInstance();\n"
    "}\n");

  // Field.Builder setField(Field value)
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "private void set$capitalized_name$($type$ value) {\n"
    "  if (value == null) {\n"
    "    throw new NullPointerException();\n"
    "  }\n"
    "  if (!($has_oneof_case_message$)) {\n"
    "    $oneof_name$_ = new $lazy_type$();\n"
    "    $set_oneof_case_message$;\n"
    "  }\n"
    "  (($lazy_type$) $oneof_name$_).setValue(value);\n"
    "}\n");

  // Field.Builder setField(Field.Builder builderForValue)
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "private void set$capitalized_name$(\n"
    "    $type$.Builder builderForValue) {\n"
    "  if (!($has_oneof_case_message$)) {\n"
    "    $oneof_name$_ = new $lazy_type$();\n"
    "    $set_oneof_case_message$;\n"
    "  }\n"
    "  (($lazy_type$) $oneof_name$_).setValue(builderForValue.build());\n"
    "}\n");

  // Field.Builder mergeField(Field value)
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "private void merge$capitalized_name$($type$ value) {\n"
    "  if ($has_oneof_case_message$ &&\n"
    "      !(($lazy_type$) $oneof_name$_).containsDefaultInstance()) {\n"
    "    (($lazy_type$) $oneof_name$_).setValue(\n"
    "       $type$.newBuilder(\n"
    "          get$capitalized_name$()).mergeFrom(value).buildPartial());\n"
    "  } else {\n"
    "    if (!($has_oneof_case_message$)) {\n"
    "      $oneof_name$_ = new $lazy_type$();\n"
    "      $set_oneof_case_message$;\n"
    "    }\n"
    "    (($lazy_type$) $oneof_name$_).setValue(value);\n"
    "  }\n"
    "}\n");

  // Field.Builder clearField()
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "private void clear$capitalized_name$() {\n"
    "  if ($has_oneof_case_message$) {\n"
    "    $clear_oneof_case_message$;\n"
    "    $oneof_name$_ = null;\n"
    "  }\n"
    "}\n");
}

void ImmutableLazyMessageOneofFieldLiteGenerator::
GenerateBuilderMembers(io::Printer* printer) const {
  // boolean hasField()
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public boolean has$capitalized_name$() {\n"
    "  return instance.has$capitalized_name$();\n"
    "}\n");

  printer->Print(variables_,
    "$deprecation$public $type$ get$capitalized_name$() {\n"
    "  return instance.get$capitalized_name$();\n"
    "}\n");

  // Field.Builder setField(Field value)
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public Builder set$capitalized_name$($type$ value) {\n"
    "  copyOnWrite();\n"
    "  instance.set$capitalized_name$(value);\n"
    "  return this;\n"
    "}\n");

  // Field.Builder setField(Field.Builder builderForValue)
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public Builder set$capitalized_name$(\n"
    "    $type$.Builder builderForValue) {\n"
    "  copyOnWrite();\n"
    "  instance.set$capitalized_name$(builderForValue);\n"
    "  return this;\n"
    "}\n");

  // Field.Builder mergeField(Field value)
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public Builder merge$capitalized_name$($type$ value) {\n"
    "  copyOnWrite();\n"
    "  instance.merge$capitalized_name$(value);\n"
    "  return this;\n"
    "}\n");

  // Field.Builder clearField()
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public Builder clear$capitalized_name$() {\n"
    "  copyOnWrite();\n"
    "  instance.clear$capitalized_name$();\n"
    "  return this;\n"
    "}\n");
}

void ImmutableLazyMessageOneofFieldLiteGenerator::
GenerateVisitCode(io::Printer* printer) const {
  printer->Print(variables_,
    "$oneof_name$_ = visitor.visitOneofLazyMessage(\n"
    "    $has_oneof_case_message$,\n"
    "    ($lazy_type$) $oneof_name$_,\n"
    "    ($lazy_type$) other.$oneof_name$_);\n");
}

void ImmutableLazyMessageOneofFieldLiteGenerator::
GenerateParsingCode(io::Printer* printer) const {
  printer->Print(variables_,
    "if (!($has_oneof_case_message$)) {\n"
    "  $oneof_name$_ = new $lazy_type$();\n"
    "}\n"
    "(($lazy_type$) $oneof_name$_).mergeFrom(input, extensionRegistry);\n"
    "$set_oneof_case_message$;\n");
}

void ImmutableLazyMessageOneofFieldLiteGenerator::
GenerateSerializationCode(io::Printer* printer) const {
  // Do not de-serialize lazy fields.
  printer->Print(variables_,
    "if ($has_oneof_case_message$) {\n"
    "  output.writeBytes(\n"
    "      $number$, (($lazy_type$) $oneof_name$_).toByteString());\n"
    "}\n");
}

void ImmutableLazyMessageOneofFieldLiteGenerator::
GenerateSerializedSizeCode(io::Printer* printer) const {
  printer->Print(variables_,
    "if ($has_oneof_case_message$) {\n"
    "  size += com.google.protobuf.CodedOutputStream\n"
    "    .computeLazyFieldSize($number$, ($lazy_type$) $oneof_name$_);\n"
    "}\n");
}

// ===================================================================

RepeatedImmutableLazyMessageFieldLiteGenerator::
RepeatedImmutableLazyMessageFieldLiteGenerator(
    const FieldDescriptor* descriptor,
    int messageBitIndex,
    int builderBitIndex,
    Context* context)
    : RepeatedImmutableMessageFieldLiteGenerator(
          descriptor, messageBitIndex, builderBitIndex, context) {
}

RepeatedImmutableLazyMessageFieldLiteGenerator::
~RepeatedImmutableLazyMessageFieldLiteGenerator() {}

void RepeatedImmutableLazyMessageFieldLiteGenerator::
GenerateMembers(io::Printer* printer) const {
  printer->Print(variables_,
    "private com.google.protobuf.Internal.ProtobufList<\n"
    "    com.google.protobuf.LazyFieldLite> $name$_;\n");
  PrintExtraFieldInfo(variables_, printer);
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public java.util.List<$type$>\n"
    "    get$capitalized_name$List() {\n"
    "  java.util.List<$type$> list =\n"
    "      new java.util.ArrayList<$type$>($name$_.size());\n"
    "  for (com.google.protobuf.LazyFieldLite lf : $name$_) {\n"
    "    list.add(($type$) lf.getValue($type$.getDefaultInstance()));\n"
    "  }\n"
    "  return java.util.Collections.unmodifiableList(list);\n"
    "}\n");
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public java.util.List<? extends $type$OrBuilder>\n"
    "    get$capitalized_name$OrBuilderList() {\n"
    "  return get$capitalized_name$List();\n"
    "}\n");
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public int get$capitalized_name$Count() {\n"
    "  return $name$_.size();\n"
    "}\n");
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public $type$ get$capitalized_name$(int index) {\n"
    "  return ($type$)\n"
    "      $name$_.get(index).getValue($type$.getDefaultInstance());\n"
    "}\n");
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public $type$OrBuilder get$capitalized_name$OrBuilder(\n"
    "    int index) {\n"
    "  return ($type$OrBuilder)\n"
    "      $name$_.get(index).getValue($type$.getDefaultInstance());\n"
    "}\n");

  printer->Print(variables_,
    "private void ensure$capitalized_name$IsMutable() {\n"
    "  if (!$is_mutable$) {\n"
    "    $name$_ =\n"
    "        com.google.protobuf.GeneratedMessageLite.mutableCopy($name$_);\n"
    "   }\n"
    "}\n"
    "\n");

  // Builder setRepeatedField(int index, Field value)
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "private void set$capitalized_name$(\n"
    "    int index, $type$ value) {\n"
    "  if (value == null) {\n"
    "    throw new NullPointerException();\n"
    "  }\n"
    "  ensure$capitalized_name$IsMutable();\n"
    "  $name$_.set(\n"
    "      index, com.google.protobuf.LazyFieldLite.fromValue(value));\n"
    "}\n");

  // Builder setRepeatedField(int index, Field.Builder builderForValue)
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "private void set$capitalized_name$(\n"
    "    int index, $type$.Builder builderForValue) {\n"
    "  ensure$capitalized_name$IsMutable();\n"
    "  $name$_.set(index, com.google.protobuf.LazyFieldLite.fromValue(\n"
    "      builderForValue.build()));\n"
    "}\n");

  // Builder addRepeatedField(Field value)
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "private void add$capitalized_name$($type$ value) {\n"
    "  if (value == null) {\n"
    "    throw new NullPointerException();\n"
    "  }\n"
    "  ensure$capitalized_name$IsMutable();\n"
    "  $name$_.add(com.google.protobuf.LazyFieldLite.fromValue(value));\n"
    "}\n");

  // Builder addRepeatedField(int index, Field value)
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "private void add$capitalized_name$(\n"
    "    int index, $type$ value) {\n"
    "  if (value == null) {\n"
    "    throw new NullPointerException();\n"
    "  }\n"
    "  ensure$capitalized_name$IsMutable();\n"
    "  $name$_.add(\n"
    "      index, com.google.protobuf.LazyFieldLite.fromValue(value));\n"
    "}\n");

  // Builder addRepeatedField(Field.Builder builderForValue)
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "private void add$capitalized_name$(\n"
    "    $type$.Builder builderForValue) {\n"
    "  ensure$capitalized_name$IsMutable();\n"
    "  $name$_.add(com.google.protobuf.LazyFieldLite.fromValue(\n"
    "      builderForValue.build()));\n"
    "}\n");

  // Builder addRepeatedField(int index, Field.Builder builderForValue)
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "private void add$capitalized_name$(\n"
    "    int index, $type$.Builder builderForValue) {\n"
    "  ensure$capitalized_name$IsMutable();\n"
    "  $name$_.add(index, com.google.protobuf.LazyFieldLite.fromValue(\n"
    "      builderForValue.build()));\n"
    "}\n");

  // Builder addAllRepeatedField(Iterable<Field> values)
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "private void addAll$capitalized_name$(\n"
    "    java.lang.Iterable<? extends $type$> values) {\n"
    "  ensure$capitalized_name$IsMutable();\n"
    "  for (com.google.protobuf.MessageLite v : values) {\n"
    "    $name$_.add(com.google.protobuf.LazyFieldLite.fromValue(v));\n"
    "  }\n"
    "}\n");

  // Builder clearAllRepeatedField()
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "private void clear$capitalized_name$() {\n"
    "  $name$_ = emptyProtobufList();\n"
    "}\n");

  // Builder removeRepeatedField(int index)
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "private void remove$capitalized_name$(int index) {\n"
    "  ensure$capitalized_name$IsMutable();\n"
    "  $name$_.remove(index);\n"
    "}\n");
}

void RepeatedImmutableLazyMessageFieldLiteGenerator::
GenerateBuilderMembers(io::Printer* printer) const {
  // List<Field> getRepeatedFieldList()
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public java.util.List<$type$> get$capitalized_name$List() {\n"
    "  return java.util.Collections.unmodifiableList(\n"
    "      instance.get$capitalized_name$List());\n"
    "}\n");

  // int getRepeatedFieldCount()
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public int get$capitalized_name$Count() {\n"
    "  return instance.get$capitalized_name$Count();\n"
    "}\n");

  // Field getRepeatedField(int index)
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public $type$ get$capitalized_name$(int index) {\n"
    "  return instance.get$capitalized_name$(index);\n"
    "}\n");

  // Builder setRepeatedField(int index, Field value)
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public Builder set$capitalized_name$(\n"
    "    int index, $type$ value) {\n"
    "  copyOnWrite();\n"
    "  instance.set$capitalized_name$(index, value);\n"
    "  return this;\n"
    "}\n");

  // Builder setRepeatedField(int index, Field.Builder builderForValue)
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public Builder set$capitalized_name$(\n"
    "    int index, $type$.Builder builderForValue) {\n"
    "  copyOnWrite();\n"
    "  instance.set$capitalized_name$(index, builderForValue);\n"
    "  return this;\n"
    "}\n");

  // Builder addRepeatedField(Field value)
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public Builder add$capitalized_name$($type$ value) {\n"
    "  copyOnWrite();\n"
    "  instance.add$capitalized_name$(value);\n"
    "  return this;\n"
    "}\n");

  // Builder addRepeatedField(int index, Field value)
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public Builder add$capitalized_name$(\n"
    "    int index, $type$ value) {\n"
    "  copyOnWrite();\n"
    "  instance.add$capitalized_name$(index, value);\n"
    "  return this;\n"
    "}\n");

  // Builder addRepeatedField(Field.Builder builderForValue)
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public Builder add$capitalized_name$(\n"
    "    $type$.Builder builderForValue) {\n"
    "  copyOnWrite();\n"
    "  instance.add$capitalized_name$(builderForValue);\n"
    "  return this;\n"
    "}\n");

  // Builder addRepeatedField(int index, Field.Builder builderForValue)
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public Builder add$capitalized_name$(\n"
    "    int index, $type$.Builder builderForValue) {\n"
    "  copyOnWrite();\n"
    "  instance.add$capitalized_name$(index, builderForValue);\n"
    "  return this;\n"
    "}\n");

  // Builder addAllRepeatedField(Iterable<Field> values)
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public Builder addAll$capitalized_name$(\n"
    "    java.lang.Iterable<? extends $type$> values) {\n"
    "  copyOnWrite();\n"
    "  instance.addAll$capitalized_name$(values);\n"
    "  return this;\n"
    "}\n");

  // Builder clearAllRepeatedField()
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public Builder clear$capitalized_name$() {\n"
    "  copyOnWrite();\n"
    "  instance.clear$capitalized_name$();\n"
    "  return this;\n"
    "}\n");

  // Builder removeRepeatedField(int index)
  WriteFieldDocComment(printer, descriptor_);
  printer->Print(variables_,
    "$deprecation$public Builder remove$capitalized_name$(int index) {\n"
    "  copyOnWrite();\n"
    "  instance.remove$capitalized_name$(index);\n"
    "  return this;\n"
    "}\n");
}

void RepeatedImmutableLazyMessageFieldLiteGenerator::
GenerateParsingCode(io::Printer* printer) const {
  printer->Print(variables_,
    "if (!$is_mutable$) {\n"
    "  $name$_ =\n"
    "      com.google.protobuf.GeneratedMessageLite.mutableCopy($name$_);\n"
    "}\n"
    "$name$_.add(new com.google.protobuf.LazyFieldLite(\n"
    "    extensionRegistry, input.readBytes()));\n");
}

void RepeatedImmutableLazyMessageFieldLiteGenerator::
GenerateSerializationCode(io::Printer* printer) const {
  printer->Print(variables_,
    "for (int i = 0; i < $name$_.size(); i++) {\n"
    "  output.writeBytes($number$, $name$_.get(i).toByteString());\n"
    "}\n");
}

void RepeatedImmutableLazyMessageFieldLiteGenerator::
GenerateSerializedSizeCode(io::Printer* printer) const {
  printer->Print(variables_,
    "for (int i = 0; i < $name$_.size(); i++) {\n"
    "  size += com.google.protobuf.CodedOutputStream\n"
    "    .computeLazyFieldSize($number$, $name$_.get(i));\n"
    "}\n");
}

}  // namespace java
}  // namespace compiler
}  // namespace protobuf
}  // namespace google