diff options
Diffstat (limited to 'src/google/protobuf/compiler/javanano/javanano_file.cc')
| -rw-r--r-- | src/google/protobuf/compiler/javanano/javanano_file.cc | 263 |
1 files changed, 0 insertions, 263 deletions
diff --git a/src/google/protobuf/compiler/javanano/javanano_file.cc b/src/google/protobuf/compiler/javanano/javanano_file.cc deleted file mode 100644 index 17f7386e..00000000 --- a/src/google/protobuf/compiler/javanano/javanano_file.cc +++ /dev/null @@ -1,263 +0,0 @@ -// Protocol Buffers - Google's data interchange format -// Copyright 2008 Google Inc. All rights reserved. -// http://code.google.com/p/protobuf/ -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -// Author: kenton@google.com (Kenton Varda) -// Based on original Protocol Buffers design by -// Sanjay Ghemawat, Jeff Dean, and others. - -#include <iostream> - -#include <google/protobuf/compiler/javanano/javanano_file.h> -#include <google/protobuf/compiler/javanano/javanano_enum.h> -#include <google/protobuf/compiler/javanano/javanano_extension.h> -#include <google/protobuf/compiler/javanano/javanano_helpers.h> -#include <google/protobuf/compiler/javanano/javanano_message.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/stubs/strutil.h> - -namespace google { -namespace protobuf { -namespace compiler { -namespace javanano { - -namespace { - -// Recursively searches the given message to see if it contains any extensions. -bool UsesExtensions(const Message& message) { - const Reflection* reflection = message.GetReflection(); - - // We conservatively assume that unknown fields are extensions. - if (reflection->GetUnknownFields(message).field_count() > 0) return true; - - vector<const FieldDescriptor*> fields; - reflection->ListFields(message, &fields); - - for (int i = 0; i < fields.size(); i++) { - if (fields[i]->is_extension()) return true; - - if (fields[i]->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) { - if (fields[i]->is_repeated()) { - int size = reflection->FieldSize(message, fields[i]); - for (int j = 0; j < size; j++) { - const Message& sub_message = - reflection->GetRepeatedMessage(message, fields[i], j); - if (UsesExtensions(sub_message)) return true; - } - } else { - const Message& sub_message = reflection->GetMessage(message, fields[i]); - if (UsesExtensions(sub_message)) return true; - } - } - } - - return false; -} - -} // namespace - -FileGenerator::FileGenerator(const FileDescriptor* file, const Params& params) - : file_(file), - params_(params), - java_package_(FileJavaPackage(params, file)), - classname_(FileClassName(params, file)) {} - -FileGenerator::~FileGenerator() {} - -bool FileGenerator::Validate(string* error) { - // Check for extensions - FileDescriptorProto file_proto; - file_->CopyTo(&file_proto); - if (UsesExtensions(file_proto) && !params_.store_unknown_fields()) { - error->assign(file_->name()); - error->append( - ": Java NANO_RUNTIME only supports extensions when the " - "'store_unknown_fields' generator option is 'true'."); - return false; - } - - if (file_->service_count() != 0 && !params_.ignore_services()) { - error->assign(file_->name()); - error->append( - ": Java NANO_RUNTIME does not support services\""); - return false; - } - - if (!IsOuterClassNeeded(params_, file_)) { - return true; - } - - // Check whether legacy javanano generator would omit the outer class. - if (!params_.has_java_outer_classname(file_->name()) - && file_->message_type_count() == 1 - && file_->enum_type_count() == 0 && file_->extension_count() == 0) { - std::cout << "INFO: " << file_->name() << ":" << std::endl; - std::cout << "Javanano generator has changed to align with java generator. " - "An outer class will be created for this file and the single message " - "in the file will become a nested class. Use java_multiple_files to " - "skip generating the outer class, or set an explicit " - "java_outer_classname to suppress this message." << std::endl; - } - - // Check that no class name matches the file's class name. This is a common - // problem that leads to Java compile errors that can be hard to understand. - // It's especially bad when using the java_multiple_files, since we would - // end up overwriting the outer class with one of the inner ones. - bool found_conflict = false; - for (int i = 0; !found_conflict && i < file_->message_type_count(); i++) { - if (file_->message_type(i)->name() == classname_) { - found_conflict = true; - } - } - if (params_.java_enum_style()) { - for (int i = 0; !found_conflict && i < file_->enum_type_count(); i++) { - if (file_->enum_type(i)->name() == classname_) { - found_conflict = true; - } - } - } - if (found_conflict) { - error->assign(file_->name()); - error->append( - ": Cannot generate Java output because the file's outer class name, \""); - error->append(classname_); - error->append( - "\", matches the name of one of the types declared inside it. " - "Please either rename the type or use the java_outer_classname " - "option to specify a different outer class name for the .proto file."); - return false; - } - return true; -} - -void FileGenerator::Generate(io::Printer* printer) { - // We don't import anything because we refer to all classes by their - // fully-qualified names in the generated source. - printer->Print( - "// Generated by the protocol buffer compiler. DO NOT EDIT!\n"); - if (!java_package_.empty()) { - printer->Print( - "\n" - "package $package$;\n", - "package", java_package_); - } - - // Note: constants (from enums, emitted in the loop below) may have the same names as constants - // in the nested classes. This causes Java warnings, but is not fatal, so we suppress those - // warnings here in the top-most class declaration. - printer->Print( - "\n" - "@SuppressWarnings(\"hiding\")\n" - "public interface $classname$ {\n", - "classname", classname_); - printer->Indent(); - - // ----------------------------------------------------------------- - - // Extensions. - for (int i = 0; i < file_->extension_count(); i++) { - ExtensionGenerator(file_->extension(i), params_).Generate(printer); - } - - // Enums. - for (int i = 0; i < file_->enum_type_count(); i++) { - EnumGenerator(file_->enum_type(i), params_).Generate(printer); - } - - // Messages. - if (!params_.java_multiple_files(file_->name())) { - for (int i = 0; i < file_->message_type_count(); i++) { - MessageGenerator(file_->message_type(i), params_).Generate(printer); - } - } - - // Static variables. - for (int i = 0; i < file_->message_type_count(); i++) { - // TODO(kenton): Reuse MessageGenerator objects? - MessageGenerator(file_->message_type(i), params_).GenerateStaticVariables(printer); - } - - printer->Outdent(); - printer->Print( - "}\n"); -} - -template<typename GeneratorClass, typename DescriptorClass> -static void GenerateSibling(const string& package_dir, - const string& java_package, - const DescriptorClass* descriptor, - GeneratorContext* output_directory, - vector<string>* file_list, - const Params& params) { - string filename = package_dir + descriptor->name() + ".java"; - file_list->push_back(filename); - - scoped_ptr<io::ZeroCopyOutputStream> output( - output_directory->Open(filename)); - io::Printer printer(output.get(), '$'); - - printer.Print( - "// Generated by the protocol buffer compiler. DO NOT EDIT!\n"); - if (!java_package.empty()) { - printer.Print( - "\n" - "package $package$;\n", - "package", java_package); - } - - GeneratorClass(descriptor, params).Generate(&printer); -} - -void FileGenerator::GenerateSiblings(const string& package_dir, - GeneratorContext* output_directory, - vector<string>* file_list) { - if (params_.java_multiple_files(file_->name())) { - for (int i = 0; i < file_->message_type_count(); i++) { - GenerateSibling<MessageGenerator>(package_dir, java_package_, - file_->message_type(i), - output_directory, file_list, params_); - } - - if (params_.java_enum_style()) { - for (int i = 0; i < file_->enum_type_count(); i++) { - GenerateSibling<EnumGenerator>(package_dir, java_package_, - file_->enum_type(i), - output_directory, file_list, params_); - } - } - } -} - -} // namespace javanano -} // namespace compiler -} // namespace protobuf -} // namespace google |