chromium/third_party/perfetto/src/trace_processor/tables/macros_internal.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_TABLES_MACROS_INTERNAL_H_
#define SRC_TRACE_PROCESSOR_TABLES_MACROS_INTERNAL_H_

#include <cstddef>
#include <cstdint>
#include <initializer_list>
#include <type_traits>
#include <utility>
#include <vector>

#include "perfetto/base/logging.h"
#include "perfetto/public/compiler.h"
#include "perfetto/trace_processor/ref_counted.h"
#include "src/trace_processor/containers/row_map.h"
#include "src/trace_processor/containers/string_pool.h"
#include "src/trace_processor/db/column.h"
#include "src/trace_processor/db/column/overlay_layer.h"
#include "src/trace_processor/db/column/storage_layer.h"
#include "src/trace_processor/db/column_storage.h"
#include "src/trace_processor/db/column_storage_overlay.h"
#include "src/trace_processor/db/table.h"

namespace perfetto::trace_processor::macros_internal {

// We define this class to allow the table macro below to compile without
// needing templates; in reality none of the methods will be called because the
// pointer to this class will always be null.
class RootParentTable : public Table {};

// The parent class for all macro generated tables.
// This class is used to extract common code from the macro tables to reduce
// code size.
class MacroTable : public Table {};

class BaseConstIterator {};

// Abstract iterator class for macro tables.
// Extracted to allow sharing with view code.
template <typename Iterator,
          typename MacroTable,
          typename RowNumber,
          typename ConstRowReference>
class AbstractConstIterator : public BaseConstIterator {};

class BaseRowNumber {};

// Abstract RowNumber class for macro tables.
// Extracted to allow sharing with view code.
template <typename MacroTable,
          typename ConstRowReference,
          typename RowReference = void>
class AbstractRowNumber : public BaseRowNumber {};

class BaseRowReference {};

// Abstract ConstRowReference class for macro tables.
// Extracted to allow sharing with view code.
template <typename MacroTable, typename RowNumber>
class AbstractConstRowReference : public BaseRowReference {};

}  // namespace perfetto::trace_processor::macros_internal

#endif  // SRC_TRACE_PROCESSOR_TABLES_MACROS_INTERNAL_H_