chromium/third_party/perfetto/src/trace_processor/storage/stats.h

/*
 * Copyright (C) 2019 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef SRC_TRACE_PROCESSOR_STORAGE_STATS_H_
#define SRC_TRACE_PROCESSOR_STORAGE_STATS_H_

#include <cstddef>

namespace perfetto::trace_processor::stats {

// Compile time list of parsing and processing stats.
// clang-format off
#define PERFETTO_TP_STATS(F) …
// clang-format on

enum Type { … };

enum Severity { … };

enum Source { … };

// Ignore GCC warning about a missing argument for a variadic macro parameter.
#if defined(__GNUC__) || defined(__clang__)
#pragma GCC system_header
#endif

// Declares an enum of literals (one for each stat). The enum values of each
// literal corresponds to the string index in the arrays below.
#define PERFETTO_TP_STATS_ENUM(name, ...) …
enum KeyIDs : size_t { … };

// The code below declares an array for each property (name, type, ...).

#define PERFETTO_TP_STATS_NAME(name, ...) …
constexpr char const* kNames[] = …;

#define PERFETTO_TP_STATS_TYPE(_, type, ...) …
constexpr Type kTypes[] = …;

#define PERFETTO_TP_STATS_SEVERITY(_, __, severity, ...) …
constexpr Severity kSeverities[] = …;

#define PERFETTO_TP_STATS_SOURCE(_, __, ___, source, ...) …
constexpr Source kSources[] = …;

#define PERFETTO_TP_STATS_DESCRIPTION(_, __, ___, ____, descr, ...) …
constexpr char const* kDescriptions[] = …;

}  // namespace perfetto::trace_processor::stats

#endif  // SRC_TRACE_PROCESSOR_STORAGE_STATS_H_