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277 lines
10 KiB
C++
277 lines
10 KiB
C++
// Protocol Buffers - Google's data interchange format
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// Copyright 2008 Google Inc. All rights reserved.
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// http://code.google.com/p/protobuf/
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Author: kenton@google.com (Kenton Varda)
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// Based on original Protocol Buffers design by
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// Sanjay Ghemawat, Jeff Dean, and others.
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// Copyright (c) 2008-2014, Dave Benson and the protobuf-c authors.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Modified to implement C code by Dave Benson.
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#include <protoc-c/c_file.h>
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#include <protoc-c/c_enum.h>
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#include <protoc-c/c_service.h>
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#include <protoc-c/c_extension.h>
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#include <protoc-c/c_helpers.h>
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#include <protoc-c/c_message.h>
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#include <google/protobuf/io/printer.h>
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#include <protobuf-c/protobuf-c.pb.h>
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#include "protobuf-c.h"
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namespace google {
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namespace protobuf {
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namespace compiler {
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namespace c {
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// ===================================================================
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FileGenerator::FileGenerator(const FileDescriptor* file,
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const std::string& dllexport_decl)
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: file_(file),
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message_generators_(
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new std::unique_ptr<MessageGenerator>[file->message_type_count()]),
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enum_generators_(
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new std::unique_ptr<EnumGenerator>[file->enum_type_count()]),
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service_generators_(
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new std::unique_ptr<ServiceGenerator>[file->service_count()]),
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extension_generators_(
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new std::unique_ptr<ExtensionGenerator>[file->extension_count()]) {
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for (int i = 0; i < file->message_type_count(); i++) {
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message_generators_[i].reset(
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new MessageGenerator(file->message_type(i), dllexport_decl));
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}
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for (int i = 0; i < file->enum_type_count(); i++) {
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enum_generators_[i].reset(
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new EnumGenerator(file->enum_type(i), dllexport_decl));
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}
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for (int i = 0; i < file->service_count(); i++) {
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service_generators_[i].reset(
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new ServiceGenerator(file->service(i), dllexport_decl));
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}
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for (int i = 0; i < file->extension_count(); i++) {
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extension_generators_[i].reset(
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new ExtensionGenerator(file->extension(i), dllexport_decl));
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}
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}
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FileGenerator::~FileGenerator() {}
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void FileGenerator::GenerateHeader(io::Printer* printer) {
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std::string filename_identifier = FilenameIdentifier(file_->name());
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int min_header_version = 1000000;
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#if GOOGLE_PROTOBUF_VERSION >= 4023000
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if (FileDescriptorLegacy(file_).syntax() == FileDescriptorLegacy::SYNTAX_PROTO3) {
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#else
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if (file_->syntax() == FileDescriptor::SYNTAX_PROTO3) {
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#endif
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min_header_version = 1003000;
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}
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// Generate top of header.
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printer->Print(
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"/* Generated by the protocol buffer compiler. DO NOT EDIT! */\n"
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"/* Generated from: $filename$ */\n"
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"\n"
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"#ifndef PROTOBUF_C_$filename_identifier$__INCLUDED\n"
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"#define PROTOBUF_C_$filename_identifier$__INCLUDED\n"
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"\n"
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"#include <protobuf-c/protobuf-c.h>\n"
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"\n"
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"PROTOBUF_C__BEGIN_DECLS\n"
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"\n",
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"filename", file_->name(),
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"filename_identifier", filename_identifier);
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// Verify the protobuf-c library header version is compatible with the
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// protoc-c version before going any further.
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printer->Print(
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"#if PROTOBUF_C_VERSION_NUMBER < $min_header_version$\n"
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"# error This file was generated by a newer version of protoc-c which is "
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"incompatible with your libprotobuf-c headers. Please update your headers.\n"
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"#elif $protoc_version$ < PROTOBUF_C_MIN_COMPILER_VERSION\n"
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"# error This file was generated by an older version of protoc-c which is "
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"incompatible with your libprotobuf-c headers. Please regenerate this file "
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"with a newer version of protoc-c.\n"
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"#endif\n"
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"\n",
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"min_header_version", SimpleItoa(min_header_version),
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"protoc_version", SimpleItoa(PROTOBUF_C_VERSION_NUMBER));
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for (int i = 0; i < file_->dependency_count(); i++) {
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const ProtobufCFileOptions opt =
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file_->dependency(i)->options().GetExtension(pb_c_file);
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if (!opt.no_generate()) {
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printer->Print(
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"#include \"$dependency$.pb-c.h\"\n",
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"dependency", StripProto(file_->dependency(i)->name()));
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}
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}
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printer->Print("\n");
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// Generate forward declarations of classes.
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for (int i = 0; i < file_->message_type_count(); i++) {
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message_generators_[i]->GenerateStructTypedef(printer);
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}
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printer->Print("\n");
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// Generate enum definitions.
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printer->Print("\n/* --- enums --- */\n\n");
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for (int i = 0; i < file_->message_type_count(); i++) {
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message_generators_[i]->GenerateEnumDefinitions(printer);
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}
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for (int i = 0; i < file_->enum_type_count(); i++) {
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enum_generators_[i]->GenerateDefinition(printer);
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}
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// Generate class definitions.
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printer->Print("\n/* --- messages --- */\n\n");
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for (int i = 0; i < file_->message_type_count(); i++) {
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message_generators_[i]->GenerateStructDefinition(printer);
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}
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for (int i = 0; i < file_->message_type_count(); i++) {
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const ProtobufCFileOptions opt = file_->options().GetExtension(pb_c_file);
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message_generators_[i]->GenerateHelperFunctionDeclarations(
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printer,
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opt.has_gen_pack_helpers(),
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opt.gen_pack_helpers(),
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opt.gen_init_helpers());
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}
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printer->Print("/* --- per-message closures --- */\n\n");
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for (int i = 0; i < file_->message_type_count(); i++) {
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message_generators_[i]->GenerateClosureTypedef(printer);
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}
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// Generate service definitions.
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printer->Print("\n/* --- services --- */\n\n");
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for (int i = 0; i < file_->service_count(); i++) {
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service_generators_[i]->GenerateMainHFile(printer);
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}
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// Declare extension identifiers.
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for (int i = 0; i < file_->extension_count(); i++) {
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extension_generators_[i]->GenerateDeclaration(printer);
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}
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printer->Print("\n/* --- descriptors --- */\n\n");
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for (int i = 0; i < file_->enum_type_count(); i++) {
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enum_generators_[i]->GenerateDescriptorDeclarations(printer);
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}
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for (int i = 0; i < file_->message_type_count(); i++) {
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message_generators_[i]->GenerateDescriptorDeclarations(printer);
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}
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for (int i = 0; i < file_->service_count(); i++) {
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service_generators_[i]->GenerateDescriptorDeclarations(printer);
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}
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printer->Print(
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"\n"
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"PROTOBUF_C__END_DECLS\n"
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"\n\n#endif /* PROTOBUF_C_$filename_identifier$__INCLUDED */\n",
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"filename_identifier", filename_identifier);
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}
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void FileGenerator::GenerateSource(io::Printer* printer) {
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printer->Print(
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"/* Generated by the protocol buffer compiler. DO NOT EDIT! */\n"
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"/* Generated from: $filename$ */\n"
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"\n"
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"/* Do not generate deprecated warnings for self */\n"
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"#ifndef PROTOBUF_C__NO_DEPRECATED\n"
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"#define PROTOBUF_C__NO_DEPRECATED\n"
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"#endif\n"
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"\n"
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"#include \"$basename$.pb-c.h\"\n",
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"filename", file_->name(),
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"basename", StripProto(file_->name()));
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const ProtobufCFileOptions opt = file_->options().GetExtension(pb_c_file);
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for (int i = 0; i < file_->message_type_count(); i++) {
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message_generators_[i]->GenerateHelperFunctionDefinitions(
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printer,
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opt.has_gen_pack_helpers(),
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opt.gen_pack_helpers(),
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opt.gen_init_helpers());
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}
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for (int i = 0; i < file_->message_type_count(); i++) {
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message_generators_[i]->GenerateMessageDescriptor(printer,
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opt.gen_init_helpers());
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}
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for (int i = 0; i < file_->enum_type_count(); i++) {
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enum_generators_[i]->GenerateEnumDescriptor(printer);
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}
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for (int i = 0; i < file_->service_count(); i++) {
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service_generators_[i]->GenerateCFile(printer);
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}
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}
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} // namespace c
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} // namespace compiler
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} // namespace protobuf
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} // namespace google
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