helpers.cc | Explore in Territory

// 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: [email protected] (Kenton Varda)
//  Based on original Protocol Buffers design by
//  Sanjay Ghemawat, Jeff Dean, and others.

#include <google/protobuf/compiler/cpp/helpers.h>

#include <cstdint>
#include <functional>
#include <limits>
#include <map>
#include <memory>
#include <queue>
#include <unordered_set>
#include <vector>

#include <google/protobuf/stubs/common.h>
#include <google/protobuf/stubs/logging.h>
#include <google/protobuf/descriptor.h>
#include <google/protobuf/compiler/cpp/names.h>
#include <google/protobuf/compiler/cpp/options.h>
#include <google/protobuf/descriptor.pb.h>
#include <google/protobuf/compiler/scc.h>
#include <google/protobuf/io/printer.h>
#include <google/protobuf/io/zero_copy_stream.h>
#include <google/protobuf/dynamic_message.h>
#include <google/protobuf/wire_format.h>
#include <google/protobuf/wire_format_lite.h>
#include <google/protobuf/stubs/strutil.h>
#include <google/protobuf/stubs/substitute.h>
#include <google/protobuf/stubs/hash.h>

// Must be last.
#include <google/protobuf/port_def.inc>

namespace google {
namespace protobuf {
namespace compiler {
namespace cpp {

namespace {

static const char kAnyMessageName[] = …;
static const char kAnyProtoFile[] = …;

// TODO(crbug.com/332939935): This is used to allow generating an AnyLite proto
// compatible with /third_party/medialite instead of checking in compiled
// protobufs that complicate rolling.
// Upstream should be fixed so that we don't need to generate a separate
// AnyLite, then this patch/change should be dropped.
static const char kAnyLiteMessageName[] = …;
static const char kAnyLiteProtoFile[] = …;

std::string DotsToColons(const std::string& name) { … }

static const char* const kKeywordList[] = …;

static std::unordered_set<std::string>* MakeKeywordsMap() { … }

static std::unordered_set<std::string>& kKeywords = …;

std::string IntTypeName(const Options& options, const std::string& type) { … }

void SetIntVar(const Options& options, const std::string& type,
               std::map<std::string, std::string>* variables) { … }

// Returns true if the message can potentially allocate memory for its field.
// This is used to determine if message-owned arena will be useful.
bool AllocExpected(const Descriptor* descriptor) { … }

// Describes different approaches to detect non-canonical int32 encoding. Only
// kNever or kAlways is eligible for *simple* verification methods.
enum class VerifyInt32Type { … };

inline VerifySimpleType VerifyInt32TypeToVerifyCustom(VerifyInt32Type t) { … }

}  // namespace

bool IsLazy(const FieldDescriptor* field, const Options& options,
            MessageSCCAnalyzer* scc_analyzer) { … }

// Returns true if "field" is a message field that is backed by LazyField per
// profile (go/pdlazy).
inline bool IsEagerlyVerifiedLazyByProfile(const FieldDescriptor* field,
                                           const Options& options,
                                           MessageSCCAnalyzer* scc_analyzer) { … }

bool IsEagerlyVerifiedLazy(const FieldDescriptor* field, const Options& options,
                           MessageSCCAnalyzer* scc_analyzer) { … }

bool IsLazilyVerifiedLazy(const FieldDescriptor* field,
                          const Options& options) { … }

void SetCommonVars(const Options& options,
                   std::map<std::string, std::string>* variables) { … }

void SetCommonMessageDataVariables(
    const Descriptor* descriptor,
    std::map<std::string, std::string>* variables) { … }

void SetUnknownFieldsVariable(const Descriptor* descriptor,
                              const Options& options,
                              std::map<std::string, std::string>* variables) { … }

std::string UnderscoresToCamelCase(const std::string& input,
                                   bool cap_next_letter) { … }

const char kThickSeparator[] = …;
const char kThinSeparator[] = …;

bool CanInitializeByZeroing(const FieldDescriptor* field) { … }

std::string ClassName(const Descriptor* descriptor) { … }

std::string ClassName(const EnumDescriptor* enum_descriptor) { … }

std::string QualifiedClassName(const Descriptor* d, const Options& options) { … }

std::string QualifiedClassName(const EnumDescriptor* d,
                               const Options& options) { … }

std::string QualifiedClassName(const Descriptor* d) { … }

std::string QualifiedClassName(const EnumDescriptor* d) { … }

std::string ExtensionName(const FieldDescriptor* d) { … }

std::string QualifiedExtensionName(const FieldDescriptor* d,
                                   const Options& options) { … }

std::string QualifiedExtensionName(const FieldDescriptor* d) { … }

std::string Namespace(const std::string& package) { … }

std::string Namespace(const FileDescriptor* d, const Options& options) { … }

std::string Namespace(const Descriptor* d, const Options& options) { … }

std::string Namespace(const FieldDescriptor* d, const Options& options) { … }

std::string Namespace(const EnumDescriptor* d, const Options& options) { … }

std::string DefaultInstanceType(const Descriptor* descriptor,
                                const Options& /*options*/, bool split) { … }

std::string DefaultInstanceName(const Descriptor* descriptor,
                                const Options& /*options*/, bool split) { … }

std::string DefaultInstancePtr(const Descriptor* descriptor,
                               const Options& options, bool split) { … }

std::string QualifiedDefaultInstanceName(const Descriptor* descriptor,
                                         const Options& options, bool split) { … }

std::string QualifiedDefaultInstancePtr(const Descriptor* descriptor,
                                        const Options& options, bool split) { … }

std::string DescriptorTableName(const FileDescriptor* file,
                                const Options& options) { … }

std::string FileDllExport(const FileDescriptor* file, const Options& options) { … }

std::string SuperClassName(const Descriptor* descriptor,
                           const Options& options) { … }

std::string ResolveKeyword(const std::string& name) { … }

std::string FieldName(const FieldDescriptor* field) { … }

std::string FieldMemberName(const FieldDescriptor* field, bool split) { … }

std::string OneofCaseConstantName(const FieldDescriptor* field) { … }

std::string QualifiedOneofCaseConstantName(const FieldDescriptor* field) { … }

std::string EnumValueName(const EnumValueDescriptor* enum_value) { … }

int EstimateAlignmentSize(const FieldDescriptor* field) { … }

std::string FieldConstantName(const FieldDescriptor* field) { … }

std::string FieldMessageTypeName(const FieldDescriptor* field,
                                 const Options& options) { … }

std::string StripProto(const std::string& filename) { … }

const char* PrimitiveTypeName(FieldDescriptor::CppType type) { … }

std::string PrimitiveTypeName(const Options& options,
                              FieldDescriptor::CppType type) { … }

const char* DeclaredTypeMethodName(FieldDescriptor::Type type) { … }

std::string Int32ToString(int number) { … }

static std::string Int64ToString(int64_t number) { … }

static std::string UInt64ToString(uint64_t number) { … }

std::string DefaultValue(const FieldDescriptor* field) { … }

std::string DefaultValue(const Options& options, const FieldDescriptor* field) { … }

// Convert a file name into a valid identifier.
std::string FilenameIdentifier(const std::string& filename) { … }

std::string UniqueName(const std::string& name, const std::string& filename,
                       const Options& options) { … }

// Return the qualified C++ name for a file level symbol.
std::string QualifiedFileLevelSymbol(const FileDescriptor* file,
                                     const std::string& name,
                                     const Options& options) { … }

// Escape C++ trigraphs by escaping question marks to \?
std::string EscapeTrigraphs(const std::string& to_escape) { … }

// Escaped function name to eliminate naming conflict.
std::string SafeFunctionName(const Descriptor* descriptor,
                             const FieldDescriptor* field,
                             const std::string& prefix) { … }

bool IsStringInlined(const FieldDescriptor* descriptor,
                     const Options& options) { … }

static bool HasLazyFields(const Descriptor* descriptor, const Options& options,
                          MessageSCCAnalyzer* scc_analyzer) { … }

// Does the given FileDescriptor use lazy fields?
bool HasLazyFields(const FileDescriptor* file, const Options& options,
                   MessageSCCAnalyzer* scc_analyzer) { … }

bool ShouldSplit(const Descriptor*, const Options&) { … }
bool ShouldSplit(const FieldDescriptor*, const Options&) { … }

static bool HasRepeatedFields(const Descriptor* descriptor) { … }

bool HasRepeatedFields(const FileDescriptor* file) { … }

static bool IsStringPieceField(const FieldDescriptor* field,
                               const Options& options) { … }

static bool HasStringPieceFields(const Descriptor* descriptor,
                                 const Options& options) { … }

bool HasStringPieceFields(const FileDescriptor* file, const Options& options) { … }

static bool IsCordField(const FieldDescriptor* field, const Options& options) { … }

static bool HasCordFields(const Descriptor* descriptor,
                          const Options& options) { … }

bool HasCordFields(const FileDescriptor* file, const Options& options) { … }

static bool HasExtensionsOrExtendableMessage(const Descriptor* descriptor) { … }

bool HasExtensionsOrExtendableMessage(const FileDescriptor* file) { … }

static bool HasMapFields(const Descriptor* descriptor) { … }

bool HasMapFields(const FileDescriptor* file) { … }

static bool HasEnumDefinitions(const Descriptor* message_type) { … }

bool HasEnumDefinitions(const FileDescriptor* file) { … }

bool ShouldVerify(const Descriptor* descriptor, const Options& options,
                  MessageSCCAnalyzer* scc_analyzer) { … }

bool ShouldVerify(const FileDescriptor* file, const Options& options,
                  MessageSCCAnalyzer* scc_analyzer) { … }

bool IsUtf8String(const FieldDescriptor* field) { … }

VerifySimpleType ShouldVerifySimple(const Descriptor* descriptor) { … }

bool IsStringOrMessage(const FieldDescriptor* field) { … }

FieldOptions::CType EffectiveStringCType(const FieldDescriptor* field,
                                         const Options& options) { … }

bool IsAnyMessage(const FileDescriptor* descriptor, const Options& options) { … }

bool IsAnyMessage(const Descriptor* descriptor, const Options& options) { … }

bool IsWellKnownMessage(const FileDescriptor* file) { … }

static bool FieldEnforceUtf8(const FieldDescriptor* field,
                             const Options& options) { … }

static bool FileUtf8Verification(const FileDescriptor* file,
                                 const Options& options) { … }

// Which level of UTF-8 enforcemant is placed on this file.
Utf8CheckMode GetUtf8CheckMode(const FieldDescriptor* field,
                               const Options& options) { … }

static void GenerateUtf8CheckCode(const FieldDescriptor* field,
                                  const Options& options, bool for_parse,
                                  const char* parameters,
                                  const char* strict_function,
                                  const char* verify_function,
                                  const Formatter& format) { … }

void GenerateUtf8CheckCodeForString(const FieldDescriptor* field,
                                    const Options& options, bool for_parse,
                                    const char* parameters,
                                    const Formatter& format) { … }

void GenerateUtf8CheckCodeForCord(const FieldDescriptor* field,
                                  const Options& options, bool for_parse,
                                  const char* parameters,
                                  const Formatter& format) { … }

void FlattenMessagesInFile(const FileDescriptor* file,
                           std::vector<const Descriptor*>* result) { … }

bool HasWeakFields(const Descriptor* descriptor, const Options& options) { … }

bool HasWeakFields(const FileDescriptor* file, const Options& options) { … }

bool UsingImplicitWeakFields(const FileDescriptor* file,
                             const Options& options) { … }

bool IsImplicitWeakField(const FieldDescriptor* field, const Options& options,
                         MessageSCCAnalyzer* scc_analyzer) { … }

MessageAnalysis MessageSCCAnalyzer::GetSCCAnalysis(const SCC* scc) { … }

void ListAllFields(const Descriptor* d,
                   std::vector<const FieldDescriptor*>* fields) { … }

void ListAllFields(const FileDescriptor* d,
                   std::vector<const FieldDescriptor*>* fields) { … }

void ListAllTypesForServices(const FileDescriptor* fd,
                             std::vector<const Descriptor*>* types) { … }

bool GetBootstrapBasename(const Options& options, const std::string& basename,
                          std::string* bootstrap_basename) { … }

bool IsBootstrapProto(const Options& options, const FileDescriptor* file) { … }

bool MaybeBootstrap(const Options& options, GeneratorContext* generator_context,
                    bool bootstrap_flag, std::string* basename) { … }

static bool HasExtensionFromFile(const Message& msg, const FileDescriptor* file,
                                 const Options& options,
                                 bool* has_opt_codesize_extension) { … }

static bool HasBootstrapProblem(const FileDescriptor* file,
                                const Options& options,
                                bool* has_opt_codesize_extension) { … }

FileOptions_OptimizeMode GetOptimizeFor(const FileDescriptor* file,
                                        const Options& options,
                                        bool* has_opt_codesize_extension) { … }

inline bool IsMessageOwnedArenaEligible(const Descriptor* desc,
                                        const Options& options) { … }

bool EnableMessageOwnedArena(const Descriptor* desc, const Options& options) { … }

bool EnableMessageOwnedArenaTrial(const Descriptor* desc,
                                  const Options& options) { … }

bool HasMessageFieldOrExtension(const Descriptor* desc) { … }

}  // namespace cpp
}  // namespace compiler
}  // namespace protobuf
}  // namespace google
chromium/third_party/protobuf/src/google/protobuf/compiler/cpp/helpers.cc
