mirror of
https://github.com/DrKLO/Telegram.git
synced 2024-12-23 15:00:50 +01:00
119 lines
3.8 KiB
C++
119 lines
3.8 KiB
C++
//
|
|
// Copyright 2020 The Abseil Authors.
|
|
//
|
|
// 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
|
|
//
|
|
// https://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.
|
|
|
|
#include "absl/flags/flag.h"
|
|
#include "absl/time/time.h"
|
|
#include "absl/types/optional.h"
|
|
#include "benchmark/benchmark.h"
|
|
|
|
namespace {
|
|
using String = std::string;
|
|
using VectorOfStrings = std::vector<std::string>;
|
|
using AbslDuration = absl::Duration;
|
|
|
|
// We do not want to take over marshalling for the types absl::optional<int>,
|
|
// absl::optional<std::string> which we do not own. Instead we introduce unique
|
|
// "aliases" to these types, which we do.
|
|
using AbslOptionalInt = absl::optional<int>;
|
|
struct OptionalInt : AbslOptionalInt {
|
|
using AbslOptionalInt::AbslOptionalInt;
|
|
};
|
|
// Next two functions represent Abseil Flags marshalling for OptionalInt.
|
|
bool AbslParseFlag(absl::string_view src, OptionalInt* flag,
|
|
std::string* error) {
|
|
int val;
|
|
if (src.empty())
|
|
flag->reset();
|
|
else if (!absl::ParseFlag(src, &val, error))
|
|
return false;
|
|
*flag = val;
|
|
return true;
|
|
}
|
|
std::string AbslUnparseFlag(const OptionalInt& flag) {
|
|
return !flag ? "" : absl::UnparseFlag(*flag);
|
|
}
|
|
|
|
using AbslOptionalString = absl::optional<std::string>;
|
|
struct OptionalString : AbslOptionalString {
|
|
using AbslOptionalString::AbslOptionalString;
|
|
};
|
|
// Next two functions represent Abseil Flags marshalling for OptionalString.
|
|
bool AbslParseFlag(absl::string_view src, OptionalString* flag,
|
|
std::string* error) {
|
|
std::string val;
|
|
if (src.empty())
|
|
flag->reset();
|
|
else if (!absl::ParseFlag(src, &val, error))
|
|
return false;
|
|
*flag = val;
|
|
return true;
|
|
}
|
|
std::string AbslUnparseFlag(const OptionalString& flag) {
|
|
return !flag ? "" : absl::UnparseFlag(*flag);
|
|
}
|
|
|
|
struct UDT {
|
|
UDT() = default;
|
|
UDT(const UDT&) {}
|
|
UDT& operator=(const UDT&) { return *this; }
|
|
};
|
|
// Next two functions represent Abseil Flags marshalling for UDT.
|
|
bool AbslParseFlag(absl::string_view, UDT*, std::string*) { return true; }
|
|
std::string AbslUnparseFlag(const UDT&) { return ""; }
|
|
|
|
} // namespace
|
|
|
|
#define BENCHMARKED_TYPES(A) \
|
|
A(bool) \
|
|
A(int16_t) \
|
|
A(uint16_t) \
|
|
A(int32_t) \
|
|
A(uint32_t) \
|
|
A(int64_t) \
|
|
A(uint64_t) \
|
|
A(double) \
|
|
A(float) \
|
|
A(String) \
|
|
A(VectorOfStrings) \
|
|
A(OptionalInt) \
|
|
A(OptionalString) \
|
|
A(AbslDuration) \
|
|
A(UDT)
|
|
|
|
#define FLAG_DEF(T) ABSL_FLAG(T, T##_flag, {}, "");
|
|
|
|
BENCHMARKED_TYPES(FLAG_DEF)
|
|
|
|
namespace {
|
|
|
|
#define BM_GetFlag(T) \
|
|
void BM_GetFlag_##T(benchmark::State& state) { \
|
|
for (auto _ : state) { \
|
|
benchmark::DoNotOptimize(absl::GetFlag(FLAGS_##T##_flag)); \
|
|
} \
|
|
} \
|
|
BENCHMARK(BM_GetFlag_##T);
|
|
|
|
BENCHMARKED_TYPES(BM_GetFlag)
|
|
|
|
} // namespace
|
|
|
|
#define InvokeGetFlag(T) \
|
|
T AbslInvokeGetFlag##T() { return absl::GetFlag(FLAGS_##T##_flag); } \
|
|
int odr##T = (benchmark::DoNotOptimize(AbslInvokeGetFlag##T), 1);
|
|
|
|
BENCHMARKED_TYPES(InvokeGetFlag)
|
|
|
|
// To veiw disassembly use: gdb ${BINARY} -batch -ex "disassemble /s $FUNC"
|