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

third_party/protobuf/src/google/protobuf/compiler/objectivec/objectivec_field.cc

Index: third_party/protobuf/src/google/protobuf/compiler/objectivec/objectivec_field.cc
diff --git a/third_party/protobuf/src/google/protobuf/compiler/objectivec/objectivec_field.cc b/third_party/protobuf/src/google/protobuf/compiler/objectivec/objectivec_field.cc
deleted file mode 100644
index cf5d8cfb234555d80cd721d798890460f091cf4c..0000000000000000000000000000000000000000
--- a/third_party/protobuf/src/google/protobuf/compiler/objectivec/objectivec_field.cc
+++ /dev/null
@@ -1,434 +0,0 @@
-// 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.
-
-#include <google/protobuf/compiler/objectivec/objectivec_field.h>
-#include <google/protobuf/compiler/objectivec/objectivec_helpers.h>
-#include <google/protobuf/compiler/objectivec/objectivec_enum_field.h>
-#include <google/protobuf/compiler/objectivec/objectivec_map_field.h>
-#include <google/protobuf/compiler/objectivec/objectivec_message_field.h>
-#include <google/protobuf/compiler/objectivec/objectivec_primitive_field.h>
-#include <google/protobuf/io/printer.h>
-#include <google/protobuf/wire_format.h>
-#include <google/protobuf/stubs/common.h>
-#include <google/protobuf/stubs/strutil.h>
-
-namespace google {
-namespace protobuf {
-namespace compiler {
-namespace objectivec {
-
-namespace {
-void SetCommonFieldVariables(const FieldDescriptor* descriptor,
-                             map<string, string>* variables) {
-  string camel_case_name = FieldName(descriptor);
-  string raw_field_name;
-  if (descriptor->type() == FieldDescriptor::TYPE_GROUP) {
-    raw_field_name = descriptor->message_type()->name();
-  } else {
-    raw_field_name = descriptor->name();
-  }
-  // The logic here has to match -[GGPBFieldDescriptor textFormatName].
-  const string un_camel_case_name(
-      UnCamelCaseFieldName(camel_case_name, descriptor));
-  const bool needs_custom_name = (raw_field_name != un_camel_case_name);
-
-  SourceLocation location;
-  if (descriptor->GetSourceLocation(&location)) {
-    (*variables)["comments"] = BuildCommentsString(location);
-  } else {
-    (*variables)["comments"] = "\n";
-  }
-  const string& classname = ClassName(descriptor->containing_type());
-  (*variables)["classname"] = classname;
-  (*variables)["name"] = camel_case_name;
-  const string& capitalized_name = FieldNameCapitalized(descriptor);
-  (*variables)["capitalized_name"] = capitalized_name;
-  (*variables)["raw_field_name"] = raw_field_name;
-  (*variables)["field_number_name"] =
-      classname + "_FieldNumber_" + capitalized_name;
-  (*variables)["field_number"] = SimpleItoa(descriptor->number());
-  (*variables)["has_index"] = SimpleItoa(descriptor->index());
-  (*variables)["field_type"] = GetCapitalizedType(descriptor);
-  std::vector<string> field_flags;
-  if (descriptor->is_repeated()) field_flags.push_back("GPBFieldRepeated");
-  if (descriptor->is_required()) field_flags.push_back("GPBFieldRequired");
-  if (descriptor->is_optional()) field_flags.push_back("GPBFieldOptional");
-  if (descriptor->is_packed()) field_flags.push_back("GPBFieldPacked");
-
-  // ObjC custom flags.
-  if (descriptor->has_default_value())
-    field_flags.push_back("GPBFieldHasDefaultValue");
-  if (needs_custom_name) field_flags.push_back("GPBFieldTextFormatNameCustom");
-  if (descriptor->type() == FieldDescriptor::TYPE_ENUM) {
-    field_flags.push_back("GPBFieldHasEnumDescriptor");
-  }
-
-  (*variables)["fieldflags"] = BuildFlagsString(field_flags);
-
-  (*variables)["default"] = DefaultValue(descriptor);
-  (*variables)["default_name"] = GPBGenericValueFieldName(descriptor);
-
-  (*variables)["dataTypeSpecific_name"] = "className";
-  (*variables)["dataTypeSpecific_value"] = "NULL";
-
-  string field_options = descriptor->options().SerializeAsString();
-  // Must convert to a standard byte order for packing length into
-  // a cstring.
-  uint32 length = ghtonl(field_options.length());
-  if (length > 0) {
-    string bytes((const char*)&length, sizeof(length));
-    bytes.append(field_options);
-    string options_str = "\"" + CEscape(bytes) + "\"";
-    (*variables)["fieldoptions"] = "\"" + CEscape(bytes) + "\"";
-  } else {
-    (*variables)["fieldoptions"] = "";
-  }
-
-  // Clear some common things so they can be set just when needed.
-  (*variables)["storage_attribute"] = "";
-}
-
-}  // namespace
-
-FieldGenerator* FieldGenerator::Make(const FieldDescriptor* field) {
-  FieldGenerator* result = NULL;
-  if (field->is_repeated()) {
-    switch (GetObjectiveCType(field)) {
-      case OBJECTIVECTYPE_MESSAGE: {
-        if (field->is_map()) {
-          result = new MapFieldGenerator(field);
-        } else {
-          result = new RepeatedMessageFieldGenerator(field);
-        }
-        break;
-      }
-      case OBJECTIVECTYPE_ENUM:
-        result = new RepeatedEnumFieldGenerator(field);
-        break;
-      default:
-        result = new RepeatedPrimitiveFieldGenerator(field);
-        break;
-    }
-  } else {
-    switch (GetObjectiveCType(field)) {
-      case OBJECTIVECTYPE_MESSAGE: {
-        result = new MessageFieldGenerator(field);
-        break;
-      }
-      case OBJECTIVECTYPE_ENUM:
-        result = new EnumFieldGenerator(field);
-        break;
-      default:
-        if (IsReferenceType(field)) {
-          result = new PrimitiveObjFieldGenerator(field);
-        } else {
-          result = new PrimitiveFieldGenerator(field);
-        }
-        break;
-    }
-  }
-  result->FinishInitialization();
-  return result;
-}
-
-
-FieldGenerator::FieldGenerator(const FieldDescriptor* descriptor)
-    : descriptor_(descriptor) {
-  SetCommonFieldVariables(descriptor, &variables_);
-}
-
-FieldGenerator::~FieldGenerator() {}
-
-void FieldGenerator::GenerateFieldNumberConstant(io::Printer* printer) const {
-  printer->Print(
-      variables_,
-      "$field_number_name$ = $field_number$,\n");
-}
-
-void FieldGenerator::GenerateCFunctionDeclarations(
-    io::Printer* printer) const {
-  // Nothing
-}
-
-void FieldGenerator::GenerateCFunctionImplementations(
-    io::Printer* printer) const {
-  // Nothing
-}
-
-void FieldGenerator::DetermineForwardDeclarations(
-    set<string>* fwd_decls) const {
-  // Nothing
-}
-
-void FieldGenerator::GenerateFieldDescription(
-    io::Printer* printer) const {
-  printer->Print(
-      variables_,
-      "{\n"
-      "  .name = \"$name$\",\n"
-      "  .number = $field_number_name$,\n"
-      "  .hasIndex = $has_index$,\n"
-      "  .flags = $fieldflags$,\n"
-      "  .dataType = GPBDataType$field_type$,\n"
-      "  .offset = offsetof($classname$__storage_, $name$),\n"
-      "  .defaultValue.$default_name$ = $default$,\n");
-
-  // TODO(thomasvl): It might be useful to add a CPP wrapper to support
-  // compiling away the EnumDescriptors.  To do that, we'd need a #if here
-  // to control setting the descriptor vs. the validator, and above in
-  // SetCommonFieldVariables() we'd want to wrap how we add
-  // GPBFieldHasDefaultValue to the flags.
-
-  // "  .dataTypeSpecific.value* = [something],"
-  GenerateFieldDescriptionTypeSpecific(printer);
-
-  const string& field_options(variables_.find("fieldoptions")->second);
-  if (field_options.empty()) {
-    printer->Print("  .fieldOptions = NULL,\n");
-  } else {
-    // Can't use PrintRaw() here to get the #if/#else/#endif lines completely
-    // outdented because the need for indent captured on the previous
-    // printing of a \n and there is no way to get the current indent level
-    // to call the right number of Outdent()/Indents() to maintain state.
-    printer->Print(
-        variables_,
-        "#if GPBOBJC_INCLUDE_FIELD_OPTIONS\n"
-        "  .fieldOptions = $fieldoptions$,\n"
-        "#else\n"
-        "  .fieldOptions = NULL,\n"
-        "#endif  // GPBOBJC_INCLUDE_FIELD_OPTIONS\n");
-  }
-
-  printer->Print("},\n");
-}
-
-void FieldGenerator::GenerateFieldDescriptionTypeSpecific(
-    io::Printer* printer) const {
-  printer->Print(
-      variables_,
-      "  .dataTypeSpecific.$dataTypeSpecific_name$ = $dataTypeSpecific_value$,\n");
-}
-
-void FieldGenerator::SetOneofIndexBase(int index_base) {
-  if (descriptor_->containing_oneof() != NULL) {
-    int index = descriptor_->containing_oneof()->index() + index_base;
-    // Flip the sign to mark it as a oneof.
-    variables_["has_index"] = SimpleItoa(-index);
-  }
-}
-
-void FieldGenerator::FinishInitialization(void) {
-  // If "property_type" wasn't set, make it "storage_type".
-  if ((variables_.find("property_type") == variables_.end()) &&
-      (variables_.find("storage_type") != variables_.end())) {
-    variables_["property_type"] = variable("storage_type");
-  }
-}
-
-SingleFieldGenerator::SingleFieldGenerator(
-    const FieldDescriptor* descriptor)
-    : FieldGenerator(descriptor) {
-  // Nothing
-}
-
-SingleFieldGenerator::~SingleFieldGenerator() {}
-
-void SingleFieldGenerator::GenerateFieldStorageDeclaration(
-    io::Printer* printer) const {
-  printer->Print(variables_, "$storage_type$ $name$;\n");
-}
-
-void SingleFieldGenerator::GeneratePropertyDeclaration(
-    io::Printer* printer) const {
-  printer->Print(variables_, "$comments$");
-  if (WantsHasProperty()) {
-    printer->Print(
-        variables_,
-        "@property(nonatomic, readwrite) BOOL has$capitalized_name$;\n");
-  }
-  printer->Print(
-      variables_,
-      "@property(nonatomic, readwrite) $property_type$ $name$;\n"
-      "\n");
-}
-
-void SingleFieldGenerator::GeneratePropertyImplementation(
-    io::Printer* printer) const {
-  if (WantsHasProperty()) {
-    printer->Print(variables_, "@dynamic has$capitalized_name$, $name$;\n");
-  } else {
-    printer->Print(variables_, "@dynamic $name$;\n");
-  }
-}
-
-bool SingleFieldGenerator::WantsHasProperty(void) const {
-  if (descriptor_->containing_oneof() != NULL) {
-    // If in a oneof, it uses the oneofcase instead of a has bit.
-    return false;
-  }
-  if (HasFieldPresence(descriptor_->file())) {
-    // In proto1/proto2, every field has a has_$name$() method.
-    return true;
-  }
-  return false;
-}
-
-ObjCObjFieldGenerator::ObjCObjFieldGenerator(
-    const FieldDescriptor* descriptor)
-    : SingleFieldGenerator(descriptor) {
-  variables_["property_storage_attribute"] = "strong";
-  if (IsRetainedName(variables_["name"])) {
-    variables_["storage_attribute"] = " NS_RETURNS_NOT_RETAINED";
-  }
-}
-
-ObjCObjFieldGenerator::~ObjCObjFieldGenerator() {}
-
-void ObjCObjFieldGenerator::GenerateFieldStorageDeclaration(
-    io::Printer* printer) const {
-  printer->Print(variables_, "$storage_type$ *$name$;\n");
-}
-
-void ObjCObjFieldGenerator::GeneratePropertyDeclaration(
-    io::Printer* printer) const {
-
-  // Differs from SingleFieldGenerator::GeneratePropertyDeclaration() in that
-  // it uses pointers and deals with Objective C's rules around storage name
-  // conventions (init*, new*, etc.)
-
-  printer->Print(variables_, "$comments$");
-  if (WantsHasProperty()) {
-    printer->Print(
-        variables_,
-        "@property(nonatomic, readwrite) BOOL has$capitalized_name$;\n");
-  }
-  printer->Print(
-      variables_,
-      "@property(nonatomic, readwrite, $property_storage_attribute$, null_resettable) $property_type$ *$name$$storage_attribute$;\n");
-  if (IsInitName(variables_.find("name")->second)) {
-    // If property name starts with init we need to annotate it to get past ARC.
-    // http://stackoverflow.com/questions/18723226/how-do-i-annotate-an-objective-c-property-with-an-objc-method-family/18723227#18723227
-    printer->Print(variables_,
-                   "- ($property_type$ *)$name$ GPB_METHOD_FAMILY_NONE;\n");
-  }
-  printer->Print("\n");
-}
-
-RepeatedFieldGenerator::RepeatedFieldGenerator(
-    const FieldDescriptor* descriptor)
-    : ObjCObjFieldGenerator(descriptor) {
-  // Repeated fields don't use the has index.
-  variables_["has_index"] = "GPBNoHasBit";
-}
-
-RepeatedFieldGenerator::~RepeatedFieldGenerator() {}
-
-void RepeatedFieldGenerator::FinishInitialization(void) {
-  FieldGenerator::FinishInitialization();
-  variables_["array_comment"] =
-      "// |" + variables_["name"] + "| contains |" + variables_["storage_type"] + "|\n";
-}
-
-void RepeatedFieldGenerator::GenerateFieldStorageDeclaration(
-    io::Printer* printer) const {
-  printer->Print(variables_, "$array_storage_type$ *$name$;\n");
-}
-
-void RepeatedFieldGenerator::GeneratePropertyImplementation(
-    io::Printer* printer) const {
-  printer->Print(variables_, "@dynamic $name$, $name$_Count;\n");
-}
-
-void RepeatedFieldGenerator::GeneratePropertyDeclaration(
-    io::Printer* printer) const {
-
-  // Repeated fields don't need the has* properties, but they do expose a
-  // *Count (to check without autocreation).  So for the field property we need
-  // the same logic as ObjCObjFieldGenerator::GeneratePropertyDeclaration() for
-  // dealing with needing Objective C's rules around storage name conventions
-  // (init*, new*, etc.)
-
-  printer->Print(
-      variables_,
-      "$comments$"
-      "$array_comment$"
-      "@property(nonatomic, readwrite, strong, null_resettable) $array_storage_type$ *$name$$storage_attribute$;\n"
-      "@property(nonatomic, readonly) NSUInteger $name$_Count;\n");
-  if (IsInitName(variables_.find("name")->second)) {
-    // If property name starts with init we need to annotate it to get past ARC.
-    // http://stackoverflow.com/questions/18723226/how-do-i-annotate-an-objective-c-property-with-an-objc-method-family/18723227#18723227
-    printer->Print(variables_,
-                   "- ($array_storage_type$ *)$name$ GPB_METHOD_FAMILY_NONE;\n");
-  }
-  printer->Print("\n");
-}
-
-bool RepeatedFieldGenerator::WantsHasProperty(void) const {
-  // Consumer check the array size/existance rather than a has bit.
-  return false;
-}
-
-FieldGeneratorMap::FieldGeneratorMap(const Descriptor* descriptor)
-    : descriptor_(descriptor),
-      field_generators_(
-          new scoped_ptr<FieldGenerator>[descriptor->field_count()]),
-      extension_generators_(
-          new scoped_ptr<FieldGenerator>[descriptor->extension_count()]) {
-  // Construct all the FieldGenerators.
-  for (int i = 0; i < descriptor->field_count(); i++) {
-    field_generators_[i].reset(FieldGenerator::Make(descriptor->field(i)));
-  }
-  for (int i = 0; i < descriptor->extension_count(); i++) {
-    extension_generators_[i].reset(FieldGenerator::Make(descriptor->extension(i)));
-  }
-}
-
-FieldGeneratorMap::~FieldGeneratorMap() {}
-
-const FieldGenerator& FieldGeneratorMap::get(
-    const FieldDescriptor* field) const {
-  GOOGLE_CHECK_EQ(field->containing_type(), descriptor_);
-  return *field_generators_[field->index()];
-}
-
-const FieldGenerator& FieldGeneratorMap::get_extension(int index) const {
-  return *extension_generators_[index];
-}
-
-void FieldGeneratorMap::SetOneofIndexBase(int index_base) {
-  for (int i = 0; i < descriptor_->field_count(); i++) {
-    field_generators_[i]->SetOneofIndexBase(index_base);
-  }
-}
-
-}  // namespace objectivec
-}  // namespace compiler
-}  // namespace protobuf
-}  // namespace google