chromium/third_party/perfetto/src/trace_processor/importers/common/address_range.h

/*
 * Copyright (C) 2024 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_IMPORTERS_COMMON_ADDRESS_RANGE_H_
#define SRC_TRACE_PROCESSOR_IMPORTERS_COMMON_ADDRESS_RANGE_H_

#include <algorithm>
#include <cstdint>
#include <iterator>
#include <map>
#include <set>
#include <tuple>
#include <utility>

#include "perfetto/base/logging.h"

namespace perfetto {
namespace trace_processor {

// A range in the form [start, end), i.e. start is inclusive and end is
// exclusive.
// Note: This means that you can not have a range containing int64_max
class AddressRange { … };

// Contains unique collection of addresses. These addresses are kept as
// sorted collection of non contiguous and non overlapping AddressRange
// instances. As addresses are added or removed these AddressRange might be
// merged or spliced as needed to keep the ranges non contiguous and non
// overlapping.
class AddressSet { … };

// Maps AddressRange instances to a given value. These AddressRange instances
// (basically the keys of the map)  will never overlap, as insertions of
// overlapping ranges will always fail.
template <typename Value>
class AddressRangeMap { … };

}  // namespace trace_processor
}  // namespace perfetto

#endif  // SRC_TRACE_PROCESSOR_IMPORTERS_COMMON_ADDRESS_RANGE_H_