mirror of
https://github.com/protobuf-c/protobuf-c.git
synced 2024-12-27 13:31:02 +08:00
582cad8bff
The protobuf project removed "using namespace std" namespace pollution from their stubs/common.h header file. This caused build failures for us since we relied on their namespace pollution. This commit updates protobuf-c to convert: 'map' → 'std::map' 'set' → 'std::set' 'back_insert_iterator' → 'std::back_insert_iterator'
580 lines
21 KiB
C++
Executable File
580 lines
21 KiB
C++
Executable File
// 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) 2008-2013, Dave Benson. 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 <algorithm>
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#include <map>
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#include <protoc-c/c_message.h>
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#include <protoc-c/c_enum.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 <google/protobuf/io/printer.h>
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#include <google/protobuf/io/coded_stream.h>
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#include <google/protobuf/wire_format.h>
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#include <google/protobuf/descriptor.pb.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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MessageGenerator::MessageGenerator(const Descriptor* descriptor,
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const string& dllexport_decl)
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: descriptor_(descriptor),
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dllexport_decl_(dllexport_decl),
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field_generators_(descriptor),
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nested_generators_(new scoped_ptr<MessageGenerator>[
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descriptor->nested_type_count()]),
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enum_generators_(new scoped_ptr<EnumGenerator>[
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descriptor->enum_type_count()]),
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extension_generators_(new scoped_ptr<ExtensionGenerator>[
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descriptor->extension_count()]) {
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for (int i = 0; i < descriptor->nested_type_count(); i++) {
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nested_generators_[i].reset(
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new MessageGenerator(descriptor->nested_type(i), dllexport_decl));
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}
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for (int i = 0; i < descriptor->enum_type_count(); i++) {
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enum_generators_[i].reset(
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new EnumGenerator(descriptor->enum_type(i), dllexport_decl));
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}
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for (int i = 0; i < descriptor->extension_count(); i++) {
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extension_generators_[i].reset(
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new ExtensionGenerator(descriptor->extension(i), dllexport_decl));
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}
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}
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MessageGenerator::~MessageGenerator() {}
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void MessageGenerator::
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GenerateStructTypedef(io::Printer* printer) {
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printer->Print("typedef struct _$classname$ $classname$;\n",
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"classname", FullNameToC(descriptor_->full_name()));
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for (int i = 0; i < descriptor_->nested_type_count(); i++) {
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nested_generators_[i]->GenerateStructTypedef(printer);
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}
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}
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void MessageGenerator::
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GenerateEnumDefinitions(io::Printer* printer) {
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for (int i = 0; i < descriptor_->nested_type_count(); i++) {
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nested_generators_[i]->GenerateEnumDefinitions(printer);
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}
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for (int i = 0; i < descriptor_->enum_type_count(); i++) {
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enum_generators_[i]->GenerateDefinition(printer);
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}
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}
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void MessageGenerator::
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GenerateStructDefinition(io::Printer* printer) {
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for (int i = 0; i < descriptor_->nested_type_count(); i++) {
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nested_generators_[i]->GenerateStructDefinition(printer);
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}
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std::map<string, string> vars;
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vars["classname"] = FullNameToC(descriptor_->full_name());
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vars["lcclassname"] = FullNameToLower(descriptor_->full_name());
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vars["ucclassname"] = FullNameToUpper(descriptor_->full_name());
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vars["field_count"] = SimpleItoa(descriptor_->field_count());
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if (dllexport_decl_.empty()) {
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vars["dllexport"] = "";
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} else {
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vars["dllexport"] = dllexport_decl_ + " ";
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}
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// Generate the case enums for unions
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for (int i = 0; i < descriptor_->oneof_decl_count(); i++) {
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const OneofDescriptor *oneof = descriptor_->oneof_decl(i);
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vars["opt_comma"] = ",";
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vars["oneofname"] = FullNameToUpper(oneof->name());
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vars["foneofname"] = FullNameToC(oneof->full_name());
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printer->Print("typedef enum {\n");
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printer->Indent();
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printer->Print(vars, "$ucclassname$__$oneofname$__NOT_SET = 0,\n");
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for (int j = 0; j < oneof->field_count(); j++) {
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const FieldDescriptor *field = oneof->field(j);
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vars["fieldname"] = FullNameToUpper(field->name());
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vars["fieldnum"] = SimpleItoa(field->number());
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bool isLast = j == oneof->field_count() - 1;
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if (isLast) {
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vars["opt_comma"] = "";
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}
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printer->Print(vars, "$ucclassname$__$oneofname$_$fieldname$ = $fieldnum$$opt_comma$\n");
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}
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printer->Print(vars, " PROTOBUF_C__FORCE_ENUM_TO_BE_INT_SIZE($ucclassname$__$oneofname$)\n");
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printer->Outdent();
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printer->Print(vars, "} $foneofname$Case;\n\n");
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}
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SourceLocation msgSourceLoc;
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descriptor_->GetSourceLocation(&msgSourceLoc);
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PrintComment (printer, msgSourceLoc.leading_comments);
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printer->Print(vars,
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"struct $dllexport$ _$classname$\n"
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"{\n"
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" ProtobufCMessage base;\n");
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// Generate fields.
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printer->Indent();
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for (int i = 0; i < descriptor_->field_count(); i++) {
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const FieldDescriptor *field = descriptor_->field(i);
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if (field->containing_oneof() == NULL) {
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SourceLocation fieldSourceLoc;
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field->GetSourceLocation(&fieldSourceLoc);
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PrintComment (printer, fieldSourceLoc.leading_comments);
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PrintComment (printer, fieldSourceLoc.trailing_comments);
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field_generators_.get(field).GenerateStructMembers(printer);
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}
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}
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// Generate unions from oneofs.
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for (int i = 0; i < descriptor_->oneof_decl_count(); i++) {
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const OneofDescriptor *oneof = descriptor_->oneof_decl(i);
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vars["oneofname"] = FullNameToLower(oneof->name());
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vars["foneofname"] = FullNameToC(oneof->full_name());
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printer->Print(vars, "$foneofname$Case $oneofname$_case;\n");
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printer->Print("union {\n");
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printer->Indent();
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for (int j = 0; j < oneof->field_count(); j++) {
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const FieldDescriptor *field = oneof->field(j);
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SourceLocation fieldSourceLoc;
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field->GetSourceLocation(&fieldSourceLoc);
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PrintComment (printer, fieldSourceLoc.leading_comments);
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PrintComment (printer, fieldSourceLoc.trailing_comments);
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field_generators_.get(field).GenerateStructMembers(printer);
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}
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printer->Outdent();
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printer->Print(vars, "};\n");
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}
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printer->Outdent();
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printer->Print(vars, "};\n");
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for (int i = 0; i < descriptor_->field_count(); i++) {
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const FieldDescriptor *field = descriptor_->field(i);
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if (field->has_default_value()) {
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field_generators_.get(field).GenerateDefaultValueDeclarations(printer);
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}
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}
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printer->Print(vars, "#define $ucclassname$__INIT \\\n"
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" { PROTOBUF_C_MESSAGE_INIT (&$lcclassname$__descriptor) \\\n ");
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for (int i = 0; i < descriptor_->field_count(); i++) {
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const FieldDescriptor *field = descriptor_->field(i);
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if (field->containing_oneof() == NULL) {
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printer->Print(", ");
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field_generators_.get(field).GenerateStaticInit(printer);
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}
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}
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for (int i = 0; i < descriptor_->oneof_decl_count(); i++) {
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const OneofDescriptor *oneof = descriptor_->oneof_decl(i);
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vars["foneofname"] = FullNameToUpper(oneof->full_name());
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// Initialize the case enum
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printer->Print(vars, ", $foneofname$__NOT_SET");
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// Initialize the union
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printer->Print(", {0}");
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}
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printer->Print(" }\n\n\n");
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}
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void MessageGenerator::
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GenerateHelperFunctionDeclarations(io::Printer* printer, bool is_submessage)
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{
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for (int i = 0; i < descriptor_->nested_type_count(); i++) {
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nested_generators_[i]->GenerateHelperFunctionDeclarations(printer, true);
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}
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std::map<string, string> vars;
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vars["classname"] = FullNameToC(descriptor_->full_name());
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vars["lcclassname"] = FullNameToLower(descriptor_->full_name());
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printer->Print(vars,
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"/* $classname$ methods */\n"
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"void $lcclassname$__init\n"
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" ($classname$ *message);\n"
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);
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if (!is_submessage) {
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printer->Print(vars,
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"size_t $lcclassname$__get_packed_size\n"
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" (const $classname$ *message);\n"
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"size_t $lcclassname$__pack\n"
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" (const $classname$ *message,\n"
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" uint8_t *out);\n"
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"size_t $lcclassname$__pack_to_buffer\n"
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" (const $classname$ *message,\n"
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" ProtobufCBuffer *buffer);\n"
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"$classname$ *\n"
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" $lcclassname$__unpack\n"
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" (ProtobufCAllocator *allocator,\n"
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" size_t len,\n"
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" const uint8_t *data);\n"
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"void $lcclassname$__free_unpacked\n"
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" ($classname$ *message,\n"
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" ProtobufCAllocator *allocator);\n"
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);
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}
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}
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void MessageGenerator::
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GenerateDescriptorDeclarations(io::Printer* printer) {
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printer->Print("extern const ProtobufCMessageDescriptor $name$__descriptor;\n",
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"name", FullNameToLower(descriptor_->full_name()));
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for (int i = 0; i < descriptor_->nested_type_count(); i++) {
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nested_generators_[i]->GenerateDescriptorDeclarations(printer);
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}
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for (int i = 0; i < descriptor_->enum_type_count(); i++) {
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enum_generators_[i]->GenerateDescriptorDeclarations(printer);
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}
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}
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void MessageGenerator::GenerateClosureTypedef(io::Printer* printer)
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{
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for (int i = 0; i < descriptor_->nested_type_count(); i++) {
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nested_generators_[i]->GenerateClosureTypedef(printer);
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}
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std::map<string, string> vars;
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vars["name"] = FullNameToC(descriptor_->full_name());
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printer->Print(vars,
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"typedef void (*$name$_Closure)\n"
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" (const $name$ *message,\n"
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" void *closure_data);\n");
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}
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static int
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compare_pfields_by_number (const void *a, const void *b)
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{
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const FieldDescriptor *pa = *(const FieldDescriptor **)a;
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const FieldDescriptor *pb = *(const FieldDescriptor **)b;
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if (pa->number() < pb->number()) return -1;
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if (pa->number() > pb->number()) return +1;
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return 0;
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}
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void MessageGenerator::
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GenerateHelperFunctionDefinitions(io::Printer* printer, bool is_submessage)
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{
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for (int i = 0; i < descriptor_->nested_type_count(); i++) {
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nested_generators_[i]->GenerateHelperFunctionDefinitions(printer, true);
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}
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std::map<string, string> vars;
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vars["classname"] = FullNameToC(descriptor_->full_name());
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vars["lcclassname"] = FullNameToLower(descriptor_->full_name());
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vars["ucclassname"] = FullNameToUpper(descriptor_->full_name());
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printer->Print(vars,
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"void $lcclassname$__init\n"
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" ($classname$ *message)\n"
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"{\n"
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" static const $classname$ init_value = $ucclassname$__INIT;\n"
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" *message = init_value;\n"
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"}\n");
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if (!is_submessage) {
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printer->Print(vars,
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"size_t $lcclassname$__get_packed_size\n"
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" (const $classname$ *message)\n"
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"{\n"
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" assert(message->base.descriptor == &$lcclassname$__descriptor);\n"
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" return protobuf_c_message_get_packed_size ((const ProtobufCMessage*)(message));\n"
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"}\n"
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"size_t $lcclassname$__pack\n"
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" (const $classname$ *message,\n"
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" uint8_t *out)\n"
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"{\n"
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" assert(message->base.descriptor == &$lcclassname$__descriptor);\n"
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" return protobuf_c_message_pack ((const ProtobufCMessage*)message, out);\n"
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"}\n"
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"size_t $lcclassname$__pack_to_buffer\n"
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" (const $classname$ *message,\n"
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" ProtobufCBuffer *buffer)\n"
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"{\n"
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" assert(message->base.descriptor == &$lcclassname$__descriptor);\n"
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" return protobuf_c_message_pack_to_buffer ((const ProtobufCMessage*)message, buffer);\n"
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"}\n"
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"$classname$ *\n"
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" $lcclassname$__unpack\n"
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" (ProtobufCAllocator *allocator,\n"
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" size_t len,\n"
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" const uint8_t *data)\n"
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"{\n"
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" return ($classname$ *)\n"
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" protobuf_c_message_unpack (&$lcclassname$__descriptor,\n"
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" allocator, len, data);\n"
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"}\n"
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"void $lcclassname$__free_unpacked\n"
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" ($classname$ *message,\n"
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" ProtobufCAllocator *allocator)\n"
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"{\n"
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" if(!message)\n"
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" return;\n"
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" assert(message->base.descriptor == &$lcclassname$__descriptor);\n"
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" protobuf_c_message_free_unpacked ((ProtobufCMessage*)message, allocator);\n"
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"}\n"
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);
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}
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}
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void MessageGenerator::
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GenerateMessageDescriptor(io::Printer* printer) {
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std::map<string, string> vars;
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vars["fullname"] = descriptor_->full_name();
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vars["classname"] = FullNameToC(descriptor_->full_name());
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vars["lcclassname"] = FullNameToLower(descriptor_->full_name());
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vars["shortname"] = ToCamel(descriptor_->name());
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vars["n_fields"] = SimpleItoa(descriptor_->field_count());
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vars["packagename"] = descriptor_->file()->package();
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bool optimize_code_size = descriptor_->file()->options().has_optimize_for() &&
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descriptor_->file()->options().optimize_for() ==
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FileOptions_OptimizeMode_CODE_SIZE;
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for (int i = 0; i < descriptor_->nested_type_count(); i++) {
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nested_generators_[i]->GenerateMessageDescriptor(printer);
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}
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for (int i = 0; i < descriptor_->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 < descriptor_->field_count(); i++) {
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const FieldDescriptor *fd = descriptor_->field(i);
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if (fd->has_default_value()) {
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field_generators_.get(fd).GenerateDefaultValueImplementations(printer);
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}
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}
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for (int i = 0; i < descriptor_->field_count(); i++) {
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const FieldDescriptor *fd = descriptor_->field(i);
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if (fd->has_default_value()) {
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bool already_defined = false;
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vars["name"] = fd->name();
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vars["lcname"] = CamelToLower(fd->name());
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vars["maybe_static"] = "static ";
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vars["field_dv_ctype_suffix"] = "";
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vars["default_value"] = field_generators_.get(fd).GetDefaultValue();
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switch (fd->cpp_type()) {
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case FieldDescriptor::CPPTYPE_INT32:
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vars["field_dv_ctype"] = "int32_t";
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break;
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case FieldDescriptor::CPPTYPE_INT64:
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vars["field_dv_ctype"] = "int64_t";
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break;
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case FieldDescriptor::CPPTYPE_UINT32:
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vars["field_dv_ctype"] = "uint32_t";
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break;
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case FieldDescriptor::CPPTYPE_UINT64:
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vars["field_dv_ctype"] = "uint64_t";
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break;
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case FieldDescriptor::CPPTYPE_FLOAT:
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vars["field_dv_ctype"] = "float";
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break;
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case FieldDescriptor::CPPTYPE_DOUBLE:
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vars["field_dv_ctype"] = "double";
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break;
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case FieldDescriptor::CPPTYPE_BOOL:
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vars["field_dv_ctype"] = "protobuf_c_boolean";
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break;
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case FieldDescriptor::CPPTYPE_MESSAGE:
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// NOTE: not supported by protobuf
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vars["maybe_static"] = "";
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vars["field_dv_ctype"] = "{ ... }";
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GOOGLE_LOG(DFATAL) << "Messages can't have default values!";
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break;
|
|
case FieldDescriptor::CPPTYPE_STRING:
|
|
if (fd->type() == FieldDescriptor::TYPE_BYTES)
|
|
{
|
|
vars["field_dv_ctype"] = "ProtobufCBinaryData";
|
|
}
|
|
else /* STRING type */
|
|
{
|
|
already_defined = true;
|
|
vars["maybe_static"] = "";
|
|
vars["field_dv_ctype"] = "char";
|
|
vars["field_dv_ctype_suffix"] = "[]";
|
|
}
|
|
break;
|
|
case FieldDescriptor::CPPTYPE_ENUM:
|
|
{
|
|
const EnumValueDescriptor *vd = fd->default_value_enum();
|
|
vars["field_dv_ctype"] = FullNameToC(vd->type()->full_name());
|
|
break;
|
|
}
|
|
default:
|
|
GOOGLE_LOG(DFATAL) << "Unknown CPPTYPE";
|
|
break;
|
|
}
|
|
if (!already_defined)
|
|
printer->Print(vars, "$maybe_static$const $field_dv_ctype$ $lcclassname$__$lcname$__default_value$field_dv_ctype_suffix$ = $default_value$;\n");
|
|
}
|
|
}
|
|
|
|
if ( descriptor_->field_count() ) {
|
|
printer->Print(vars,
|
|
"static const ProtobufCFieldDescriptor $lcclassname$__field_descriptors[$n_fields$] =\n"
|
|
"{\n");
|
|
printer->Indent();
|
|
const FieldDescriptor **sorted_fields = new const FieldDescriptor *[descriptor_->field_count()];
|
|
for (int i = 0; i < descriptor_->field_count(); i++) {
|
|
sorted_fields[i] = descriptor_->field(i);
|
|
}
|
|
qsort (sorted_fields, descriptor_->field_count(),
|
|
sizeof (const FieldDescriptor *),
|
|
compare_pfields_by_number);
|
|
for (int i = 0; i < descriptor_->field_count(); i++) {
|
|
const FieldDescriptor *field = sorted_fields[i];
|
|
field_generators_.get(field).GenerateDescriptorInitializer(printer);
|
|
}
|
|
printer->Outdent();
|
|
printer->Print(vars, "};\n");
|
|
|
|
if (!optimize_code_size) {
|
|
NameIndex *field_indices = new NameIndex [descriptor_->field_count()];
|
|
for (int i = 0; i < descriptor_->field_count(); i++) {
|
|
field_indices[i].name = sorted_fields[i]->name().c_str();
|
|
field_indices[i].index = i;
|
|
}
|
|
qsort (field_indices, descriptor_->field_count(), sizeof (NameIndex),
|
|
compare_name_indices_by_name);
|
|
printer->Print(vars, "static const unsigned $lcclassname$__field_indices_by_name[] = {\n");
|
|
for (int i = 0; i < descriptor_->field_count(); i++) {
|
|
vars["index"] = SimpleItoa(field_indices[i].index);
|
|
vars["name"] = field_indices[i].name;
|
|
printer->Print(vars, " $index$, /* field[$index$] = $name$ */\n");
|
|
}
|
|
printer->Print("};\n");
|
|
delete[] field_indices;
|
|
}
|
|
|
|
// create range initializers
|
|
int *values = new int[descriptor_->field_count()];
|
|
for (int i = 0; i < descriptor_->field_count(); i++) {
|
|
values[i] = sorted_fields[i]->number();
|
|
}
|
|
int n_ranges = WriteIntRanges(printer,
|
|
descriptor_->field_count(), values,
|
|
vars["lcclassname"] + "__number_ranges");
|
|
delete [] values;
|
|
delete [] sorted_fields;
|
|
|
|
vars["n_ranges"] = SimpleItoa(n_ranges);
|
|
} else {
|
|
/* MS compiler can't handle arrays with zero size and empty
|
|
* initialization list. Furthermore it is an extension of GCC only but
|
|
* not a standard. */
|
|
vars["n_ranges"] = "0";
|
|
printer->Print(vars,
|
|
"#define $lcclassname$__field_descriptors NULL\n"
|
|
"#define $lcclassname$__field_indices_by_name NULL\n"
|
|
"#define $lcclassname$__number_ranges NULL\n");
|
|
}
|
|
|
|
printer->Print(vars,
|
|
"const ProtobufCMessageDescriptor $lcclassname$__descriptor =\n"
|
|
"{\n"
|
|
" PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC,\n");
|
|
if (optimize_code_size) {
|
|
printer->Print(" NULL,NULL,NULL,NULL, /* CODE_SIZE */\n");
|
|
} else {
|
|
printer->Print(vars,
|
|
" \"$fullname$\",\n"
|
|
" \"$shortname$\",\n"
|
|
" \"$classname$\",\n"
|
|
" \"$packagename$\",\n");
|
|
}
|
|
printer->Print(vars,
|
|
" sizeof($classname$),\n"
|
|
" $n_fields$,\n"
|
|
" $lcclassname$__field_descriptors,\n");
|
|
if (optimize_code_size) {
|
|
printer->Print(" NULL, /* CODE_SIZE */\n");
|
|
} else {
|
|
printer->Print(vars,
|
|
" $lcclassname$__field_indices_by_name,\n");
|
|
}
|
|
printer->Print(vars,
|
|
" $n_ranges$,"
|
|
" $lcclassname$__number_ranges,\n"
|
|
" (ProtobufCMessageInit) $lcclassname$__init,\n"
|
|
" NULL,NULL,NULL /* reserved[123] */\n"
|
|
"};\n");
|
|
}
|
|
|
|
} // namespace c
|
|
} // namespace compiler
|
|
} // namespace protobuf
|
|
} // namespace google
|