tvl-depot/third_party/abseil_cpp/absl/status/status.cc

Ignoring revisions in .git-blame-ignore-revs. Click here to bypass and see the normal blame view.

443 lines
13 KiB
C++
Raw Normal View History

Export of internal Abseil changes -- bffb14058bb46137d42c7a113a36b6b582997cda by Xiaoyi Zhang <zhangxy@google.com>: Add ABSL_MUST_USE_RESULT to Status. PiperOrigin-RevId: 296272498 -- b426fdd3b3f687d7a8aeb644925923bbab503778 by CJ Johnson <johnsoncj@google.com>: Optimizes absl::InlinedVector::clear() by not deallocating the data, if allocated. This allows allocations to be reused. This matches the behavior of std::vector::clear() PiperOrigin-RevId: 296197235 -- 8cb9fbfe20e749816065c1a042e84f72dac9bfc0 by CJ Johnson <johnsoncj@google.com>: Optimizes absl::InlinedVector::clear() by not deallocating the data, if allocated. This allows allocations to be reused. This matches the behavior of std::vector::clear() PiperOrigin-RevId: 296058092 -- 2558d3369a482879919155b6f46317ccafe0ca13 by Matthew Brown <matthewbr@google.com>: Internal cleanup PiperOrigin-RevId: 296025806 -- cf7ee57228534021c15ed7421df92acf6c27c9c7 by Gennadiy Rozental <rogeeff@google.com>: Make FlagOps enum class. We also add comments to all the functions used to invoke flag ops. PiperOrigin-RevId: 295975809 -- 74bbdbd12fbc54e9c4ebcb3005e727becf0e509d by Xiaoyi Zhang <zhangxy@google.com>: Release `absl::Status`. PiperOrigin-RevId: 295777662 -- 3dbc622b4e2227863525da2f7de7ecbeb3ede21f by Xiaoyi Zhang <zhangxy@google.com>: Internal change. PiperOrigin-RevId: 295733658 -- 48d74aa0ab01d611da6012b377f038d8b26c712e by Abseil Team <absl-team@google.com>: Fix typo in container/CMakeLists.txt for container_common PiperOrigin-RevId: 295491438 GitOrigin-RevId: bffb14058bb46137d42c7a113a36b6b582997cda Change-Id: Ia966857b07fa7412cd6489ac37b5fa26640e4141
2020-02-20 21:34:37 +01:00
// Copyright 2019 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/status/status.h"
#include <cassert>
#include "absl/base/internal/raw_logging.h"
#include "absl/debugging/stacktrace.h"
#include "absl/debugging/symbolize.h"
#include "absl/status/status_payload_printer.h"
#include "absl/strings/escaping.h"
#include "absl/strings/str_cat.h"
#include "absl/strings/str_format.h"
#include "absl/strings/str_split.h"
namespace absl {
ABSL_NAMESPACE_BEGIN
std::string StatusCodeToString(StatusCode code) {
switch (code) {
case StatusCode::kOk:
return "OK";
case StatusCode::kCancelled:
return "CANCELLED";
case StatusCode::kUnknown:
return "UNKNOWN";
case StatusCode::kInvalidArgument:
return "INVALID_ARGUMENT";
case StatusCode::kDeadlineExceeded:
return "DEADLINE_EXCEEDED";
case StatusCode::kNotFound:
return "NOT_FOUND";
case StatusCode::kAlreadyExists:
return "ALREADY_EXISTS";
case StatusCode::kPermissionDenied:
return "PERMISSION_DENIED";
case StatusCode::kUnauthenticated:
return "UNAUTHENTICATED";
case StatusCode::kResourceExhausted:
return "RESOURCE_EXHAUSTED";
case StatusCode::kFailedPrecondition:
return "FAILED_PRECONDITION";
case StatusCode::kAborted:
return "ABORTED";
case StatusCode::kOutOfRange:
return "OUT_OF_RANGE";
case StatusCode::kUnimplemented:
return "UNIMPLEMENTED";
case StatusCode::kInternal:
return "INTERNAL";
case StatusCode::kUnavailable:
return "UNAVAILABLE";
case StatusCode::kDataLoss:
return "DATA_LOSS";
default:
return "";
}
}
std::ostream& operator<<(std::ostream& os, StatusCode code) {
return os << StatusCodeToString(code);
}
namespace status_internal {
static int FindPayloadIndexByUrl(const Payloads* payloads,
absl::string_view type_url) {
if (payloads == nullptr) return -1;
for (size_t i = 0; i < payloads->size(); ++i) {
Export of internal Abseil changes -- bffb14058bb46137d42c7a113a36b6b582997cda by Xiaoyi Zhang <zhangxy@google.com>: Add ABSL_MUST_USE_RESULT to Status. PiperOrigin-RevId: 296272498 -- b426fdd3b3f687d7a8aeb644925923bbab503778 by CJ Johnson <johnsoncj@google.com>: Optimizes absl::InlinedVector::clear() by not deallocating the data, if allocated. This allows allocations to be reused. This matches the behavior of std::vector::clear() PiperOrigin-RevId: 296197235 -- 8cb9fbfe20e749816065c1a042e84f72dac9bfc0 by CJ Johnson <johnsoncj@google.com>: Optimizes absl::InlinedVector::clear() by not deallocating the data, if allocated. This allows allocations to be reused. This matches the behavior of std::vector::clear() PiperOrigin-RevId: 296058092 -- 2558d3369a482879919155b6f46317ccafe0ca13 by Matthew Brown <matthewbr@google.com>: Internal cleanup PiperOrigin-RevId: 296025806 -- cf7ee57228534021c15ed7421df92acf6c27c9c7 by Gennadiy Rozental <rogeeff@google.com>: Make FlagOps enum class. We also add comments to all the functions used to invoke flag ops. PiperOrigin-RevId: 295975809 -- 74bbdbd12fbc54e9c4ebcb3005e727becf0e509d by Xiaoyi Zhang <zhangxy@google.com>: Release `absl::Status`. PiperOrigin-RevId: 295777662 -- 3dbc622b4e2227863525da2f7de7ecbeb3ede21f by Xiaoyi Zhang <zhangxy@google.com>: Internal change. PiperOrigin-RevId: 295733658 -- 48d74aa0ab01d611da6012b377f038d8b26c712e by Abseil Team <absl-team@google.com>: Fix typo in container/CMakeLists.txt for container_common PiperOrigin-RevId: 295491438 GitOrigin-RevId: bffb14058bb46137d42c7a113a36b6b582997cda Change-Id: Ia966857b07fa7412cd6489ac37b5fa26640e4141
2020-02-20 21:34:37 +01:00
if ((*payloads)[i].type_url == type_url) return i;
}
return -1;
}
// Convert canonical code to a value known to this binary.
absl::StatusCode MapToLocalCode(int value) {
absl::StatusCode code = static_cast<absl::StatusCode>(value);
switch (code) {
case absl::StatusCode::kOk:
case absl::StatusCode::kCancelled:
case absl::StatusCode::kUnknown:
case absl::StatusCode::kInvalidArgument:
case absl::StatusCode::kDeadlineExceeded:
case absl::StatusCode::kNotFound:
case absl::StatusCode::kAlreadyExists:
case absl::StatusCode::kPermissionDenied:
case absl::StatusCode::kResourceExhausted:
case absl::StatusCode::kFailedPrecondition:
case absl::StatusCode::kAborted:
case absl::StatusCode::kOutOfRange:
case absl::StatusCode::kUnimplemented:
case absl::StatusCode::kInternal:
case absl::StatusCode::kUnavailable:
case absl::StatusCode::kDataLoss:
case absl::StatusCode::kUnauthenticated:
return code;
default:
return absl::StatusCode::kUnknown;
}
}
} // namespace status_internal
absl::optional<absl::Cord> Status::GetPayload(
absl::string_view type_url) const {
const auto* payloads = GetPayloads();
int index = status_internal::FindPayloadIndexByUrl(payloads, type_url);
if (index != -1) return (*payloads)[index].payload;
return absl::nullopt;
}
void Status::SetPayload(absl::string_view type_url, absl::Cord payload) {
if (ok()) return;
PrepareToModify();
status_internal::StatusRep* rep = RepToPointer(rep_);
if (!rep->payloads) {
rep->payloads = absl::make_unique<status_internal::Payloads>();
}
int index =
status_internal::FindPayloadIndexByUrl(rep->payloads.get(), type_url);
if (index != -1) {
(*rep->payloads)[index].payload = std::move(payload);
return;
}
rep->payloads->push_back({std::string(type_url), std::move(payload)});
}
bool Status::ErasePayload(absl::string_view type_url) {
int index = status_internal::FindPayloadIndexByUrl(GetPayloads(), type_url);
if (index != -1) {
Export of internal Abseil changes -- a3e58c1870a9626039f4d178d2d599319bd9f8a8 by Matt Kulukundis <kfm@google.com>: Allow MakeCordFromExternal to take a zero arg releaser. PiperOrigin-RevId: 298650274 -- 01897c4a9bb99f3dc329a794019498ad345ddebd by Samuel Benzaquen <sbenza@google.com>: Reduce library bloat for absl::Flag by moving the definition of base virtual functions to a .cc file. This removes the duplicate symbols in user translation units and has the side effect of moving the vtable definition too (re key function) PiperOrigin-RevId: 298617920 -- 190f0d3782c63aed01046886d7fbc1be5bca2de9 by Derek Mauro <dmauro@google.com>: Import GitHub #596: Unbreak stacktrace code for UWP apps PiperOrigin-RevId: 298600834 -- cd5cf6f8c87b35b85a9584e94da2a99057345b73 by Gennadiy Rozental <rogeeff@google.com>: Use union of heap allocated pointer, one word atomic and two word atomic to represent flags value. Any type T, which is trivially copy-able and with with sizeof(T) <= 8, will be stored in atomic int64_t. Any type T, which is trivially copy-able and with with 8 < sizeof(T) <= 16, will be stored in atomic AlignedTwoWords. We also introducing value storage type to distinguish these cases. PiperOrigin-RevId: 298497200 -- f8fe7bd53bfed601f002f521e34ab4bc083fc28b by Matthew Brown <matthewbr@google.com>: Ensure a deep copy and proper equality on absl::Status::ErasePayload PiperOrigin-RevId: 298482742 -- a5c9ccddf4b04f444e3f7e27dbc14faf1fcb5373 by Gennadiy Rozental <rogeeff@google.com>: Change ChunkIterator implementation to use fixed capacity collection of CordRep*. We can now assume that depth never exceeds 91. That makes comparison operator exception safe. I've tested that with this CL we do not observe an overhead of chunk_end. Compiler optimized this iterator completely. PiperOrigin-RevId: 298458472 -- 327ea5e8910bc388b03389c730763f9823abfce5 by Abseil Team <absl-team@google.com>: Minor cleanups in b-tree code: - Rename some variables: fix issues of different param names between definition/declaration, move away from `x` as a default meaningless variable name. - Make init_leaf/init_internal be non-static methods (they already take the node as the first parameter). - In internal_emplace/try_shrink, update root/rightmost the same way as in insert_unique/insert_multi. - Replace a TODO with a comment. PiperOrigin-RevId: 298432836 -- 8020ce9ec8558ee712d9733ae3d660ac1d3ffe1a by Abseil Team <absl-team@google.com>: Guard against unnecessary copy in case the buffer is empty. This is important in cases were the user is explicitly tuning their chunks to match PiecewiseChunkSize(). PiperOrigin-RevId: 298366044 -- 89324441d1c0c697c90ba7d8fc63639805fcaa9d by Abseil Team <absl-team@google.com>: Internal change PiperOrigin-RevId: 298219363 GitOrigin-RevId: a3e58c1870a9626039f4d178d2d599319bd9f8a8 Change-Id: I28dffc684b6fd0292b94807b88ec6664d5d0e183
2020-03-03 20:22:10 +01:00
PrepareToModify();
Export of internal Abseil changes -- bffb14058bb46137d42c7a113a36b6b582997cda by Xiaoyi Zhang <zhangxy@google.com>: Add ABSL_MUST_USE_RESULT to Status. PiperOrigin-RevId: 296272498 -- b426fdd3b3f687d7a8aeb644925923bbab503778 by CJ Johnson <johnsoncj@google.com>: Optimizes absl::InlinedVector::clear() by not deallocating the data, if allocated. This allows allocations to be reused. This matches the behavior of std::vector::clear() PiperOrigin-RevId: 296197235 -- 8cb9fbfe20e749816065c1a042e84f72dac9bfc0 by CJ Johnson <johnsoncj@google.com>: Optimizes absl::InlinedVector::clear() by not deallocating the data, if allocated. This allows allocations to be reused. This matches the behavior of std::vector::clear() PiperOrigin-RevId: 296058092 -- 2558d3369a482879919155b6f46317ccafe0ca13 by Matthew Brown <matthewbr@google.com>: Internal cleanup PiperOrigin-RevId: 296025806 -- cf7ee57228534021c15ed7421df92acf6c27c9c7 by Gennadiy Rozental <rogeeff@google.com>: Make FlagOps enum class. We also add comments to all the functions used to invoke flag ops. PiperOrigin-RevId: 295975809 -- 74bbdbd12fbc54e9c4ebcb3005e727becf0e509d by Xiaoyi Zhang <zhangxy@google.com>: Release `absl::Status`. PiperOrigin-RevId: 295777662 -- 3dbc622b4e2227863525da2f7de7ecbeb3ede21f by Xiaoyi Zhang <zhangxy@google.com>: Internal change. PiperOrigin-RevId: 295733658 -- 48d74aa0ab01d611da6012b377f038d8b26c712e by Abseil Team <absl-team@google.com>: Fix typo in container/CMakeLists.txt for container_common PiperOrigin-RevId: 295491438 GitOrigin-RevId: bffb14058bb46137d42c7a113a36b6b582997cda Change-Id: Ia966857b07fa7412cd6489ac37b5fa26640e4141
2020-02-20 21:34:37 +01:00
GetPayloads()->erase(GetPayloads()->begin() + index);
Export of internal Abseil changes -- a3e58c1870a9626039f4d178d2d599319bd9f8a8 by Matt Kulukundis <kfm@google.com>: Allow MakeCordFromExternal to take a zero arg releaser. PiperOrigin-RevId: 298650274 -- 01897c4a9bb99f3dc329a794019498ad345ddebd by Samuel Benzaquen <sbenza@google.com>: Reduce library bloat for absl::Flag by moving the definition of base virtual functions to a .cc file. This removes the duplicate symbols in user translation units and has the side effect of moving the vtable definition too (re key function) PiperOrigin-RevId: 298617920 -- 190f0d3782c63aed01046886d7fbc1be5bca2de9 by Derek Mauro <dmauro@google.com>: Import GitHub #596: Unbreak stacktrace code for UWP apps PiperOrigin-RevId: 298600834 -- cd5cf6f8c87b35b85a9584e94da2a99057345b73 by Gennadiy Rozental <rogeeff@google.com>: Use union of heap allocated pointer, one word atomic and two word atomic to represent flags value. Any type T, which is trivially copy-able and with with sizeof(T) <= 8, will be stored in atomic int64_t. Any type T, which is trivially copy-able and with with 8 < sizeof(T) <= 16, will be stored in atomic AlignedTwoWords. We also introducing value storage type to distinguish these cases. PiperOrigin-RevId: 298497200 -- f8fe7bd53bfed601f002f521e34ab4bc083fc28b by Matthew Brown <matthewbr@google.com>: Ensure a deep copy and proper equality on absl::Status::ErasePayload PiperOrigin-RevId: 298482742 -- a5c9ccddf4b04f444e3f7e27dbc14faf1fcb5373 by Gennadiy Rozental <rogeeff@google.com>: Change ChunkIterator implementation to use fixed capacity collection of CordRep*. We can now assume that depth never exceeds 91. That makes comparison operator exception safe. I've tested that with this CL we do not observe an overhead of chunk_end. Compiler optimized this iterator completely. PiperOrigin-RevId: 298458472 -- 327ea5e8910bc388b03389c730763f9823abfce5 by Abseil Team <absl-team@google.com>: Minor cleanups in b-tree code: - Rename some variables: fix issues of different param names between definition/declaration, move away from `x` as a default meaningless variable name. - Make init_leaf/init_internal be non-static methods (they already take the node as the first parameter). - In internal_emplace/try_shrink, update root/rightmost the same way as in insert_unique/insert_multi. - Replace a TODO with a comment. PiperOrigin-RevId: 298432836 -- 8020ce9ec8558ee712d9733ae3d660ac1d3ffe1a by Abseil Team <absl-team@google.com>: Guard against unnecessary copy in case the buffer is empty. This is important in cases were the user is explicitly tuning their chunks to match PiecewiseChunkSize(). PiperOrigin-RevId: 298366044 -- 89324441d1c0c697c90ba7d8fc63639805fcaa9d by Abseil Team <absl-team@google.com>: Internal change PiperOrigin-RevId: 298219363 GitOrigin-RevId: a3e58c1870a9626039f4d178d2d599319bd9f8a8 Change-Id: I28dffc684b6fd0292b94807b88ec6664d5d0e183
2020-03-03 20:22:10 +01:00
if (GetPayloads()->empty() && message().empty()) {
// Special case: If this can be represented inlined, it MUST be
// inlined (EqualsSlow depends on this behavior).
StatusCode c = static_cast<StatusCode>(raw_code());
Unref(rep_);
rep_ = CodeToInlinedRep(c);
}
Export of internal Abseil changes -- bffb14058bb46137d42c7a113a36b6b582997cda by Xiaoyi Zhang <zhangxy@google.com>: Add ABSL_MUST_USE_RESULT to Status. PiperOrigin-RevId: 296272498 -- b426fdd3b3f687d7a8aeb644925923bbab503778 by CJ Johnson <johnsoncj@google.com>: Optimizes absl::InlinedVector::clear() by not deallocating the data, if allocated. This allows allocations to be reused. This matches the behavior of std::vector::clear() PiperOrigin-RevId: 296197235 -- 8cb9fbfe20e749816065c1a042e84f72dac9bfc0 by CJ Johnson <johnsoncj@google.com>: Optimizes absl::InlinedVector::clear() by not deallocating the data, if allocated. This allows allocations to be reused. This matches the behavior of std::vector::clear() PiperOrigin-RevId: 296058092 -- 2558d3369a482879919155b6f46317ccafe0ca13 by Matthew Brown <matthewbr@google.com>: Internal cleanup PiperOrigin-RevId: 296025806 -- cf7ee57228534021c15ed7421df92acf6c27c9c7 by Gennadiy Rozental <rogeeff@google.com>: Make FlagOps enum class. We also add comments to all the functions used to invoke flag ops. PiperOrigin-RevId: 295975809 -- 74bbdbd12fbc54e9c4ebcb3005e727becf0e509d by Xiaoyi Zhang <zhangxy@google.com>: Release `absl::Status`. PiperOrigin-RevId: 295777662 -- 3dbc622b4e2227863525da2f7de7ecbeb3ede21f by Xiaoyi Zhang <zhangxy@google.com>: Internal change. PiperOrigin-RevId: 295733658 -- 48d74aa0ab01d611da6012b377f038d8b26c712e by Abseil Team <absl-team@google.com>: Fix typo in container/CMakeLists.txt for container_common PiperOrigin-RevId: 295491438 GitOrigin-RevId: bffb14058bb46137d42c7a113a36b6b582997cda Change-Id: Ia966857b07fa7412cd6489ac37b5fa26640e4141
2020-02-20 21:34:37 +01:00
return true;
}
return false;
}
void Status::ForEachPayload(
const std::function<void(absl::string_view, const absl::Cord&)>& visitor)
const {
if (auto* payloads = GetPayloads()) {
bool in_reverse =
payloads->size() > 1 && reinterpret_cast<uintptr_t>(payloads) % 13 > 6;
for (size_t index = 0; index < payloads->size(); ++index) {
Export of internal Abseil changes -- bffb14058bb46137d42c7a113a36b6b582997cda by Xiaoyi Zhang <zhangxy@google.com>: Add ABSL_MUST_USE_RESULT to Status. PiperOrigin-RevId: 296272498 -- b426fdd3b3f687d7a8aeb644925923bbab503778 by CJ Johnson <johnsoncj@google.com>: Optimizes absl::InlinedVector::clear() by not deallocating the data, if allocated. This allows allocations to be reused. This matches the behavior of std::vector::clear() PiperOrigin-RevId: 296197235 -- 8cb9fbfe20e749816065c1a042e84f72dac9bfc0 by CJ Johnson <johnsoncj@google.com>: Optimizes absl::InlinedVector::clear() by not deallocating the data, if allocated. This allows allocations to be reused. This matches the behavior of std::vector::clear() PiperOrigin-RevId: 296058092 -- 2558d3369a482879919155b6f46317ccafe0ca13 by Matthew Brown <matthewbr@google.com>: Internal cleanup PiperOrigin-RevId: 296025806 -- cf7ee57228534021c15ed7421df92acf6c27c9c7 by Gennadiy Rozental <rogeeff@google.com>: Make FlagOps enum class. We also add comments to all the functions used to invoke flag ops. PiperOrigin-RevId: 295975809 -- 74bbdbd12fbc54e9c4ebcb3005e727becf0e509d by Xiaoyi Zhang <zhangxy@google.com>: Release `absl::Status`. PiperOrigin-RevId: 295777662 -- 3dbc622b4e2227863525da2f7de7ecbeb3ede21f by Xiaoyi Zhang <zhangxy@google.com>: Internal change. PiperOrigin-RevId: 295733658 -- 48d74aa0ab01d611da6012b377f038d8b26c712e by Abseil Team <absl-team@google.com>: Fix typo in container/CMakeLists.txt for container_common PiperOrigin-RevId: 295491438 GitOrigin-RevId: bffb14058bb46137d42c7a113a36b6b582997cda Change-Id: Ia966857b07fa7412cd6489ac37b5fa26640e4141
2020-02-20 21:34:37 +01:00
const auto& elem =
(*payloads)[in_reverse ? payloads->size() - 1 - index : index];
#ifdef NDEBUG
visitor(elem.type_url, elem.payload);
#else
// In debug mode invalidate the type url to prevent users from relying on
// this string lifetime.
Export of internal Abseil changes -- bffb14058bb46137d42c7a113a36b6b582997cda by Xiaoyi Zhang <zhangxy@google.com>: Add ABSL_MUST_USE_RESULT to Status. PiperOrigin-RevId: 296272498 -- b426fdd3b3f687d7a8aeb644925923bbab503778 by CJ Johnson <johnsoncj@google.com>: Optimizes absl::InlinedVector::clear() by not deallocating the data, if allocated. This allows allocations to be reused. This matches the behavior of std::vector::clear() PiperOrigin-RevId: 296197235 -- 8cb9fbfe20e749816065c1a042e84f72dac9bfc0 by CJ Johnson <johnsoncj@google.com>: Optimizes absl::InlinedVector::clear() by not deallocating the data, if allocated. This allows allocations to be reused. This matches the behavior of std::vector::clear() PiperOrigin-RevId: 296058092 -- 2558d3369a482879919155b6f46317ccafe0ca13 by Matthew Brown <matthewbr@google.com>: Internal cleanup PiperOrigin-RevId: 296025806 -- cf7ee57228534021c15ed7421df92acf6c27c9c7 by Gennadiy Rozental <rogeeff@google.com>: Make FlagOps enum class. We also add comments to all the functions used to invoke flag ops. PiperOrigin-RevId: 295975809 -- 74bbdbd12fbc54e9c4ebcb3005e727becf0e509d by Xiaoyi Zhang <zhangxy@google.com>: Release `absl::Status`. PiperOrigin-RevId: 295777662 -- 3dbc622b4e2227863525da2f7de7ecbeb3ede21f by Xiaoyi Zhang <zhangxy@google.com>: Internal change. PiperOrigin-RevId: 295733658 -- 48d74aa0ab01d611da6012b377f038d8b26c712e by Abseil Team <absl-team@google.com>: Fix typo in container/CMakeLists.txt for container_common PiperOrigin-RevId: 295491438 GitOrigin-RevId: bffb14058bb46137d42c7a113a36b6b582997cda Change-Id: Ia966857b07fa7412cd6489ac37b5fa26640e4141
2020-02-20 21:34:37 +01:00
// NOLINTNEXTLINE intentional extra conversion to force temporary.
visitor(std::string(elem.type_url), elem.payload);
#endif // NDEBUG
}
}
}
const std::string* Status::EmptyString() {
static std::string* empty_string = new std::string();
return empty_string;
}
constexpr const char Status::kMovedFromString[];
const std::string* Status::MovedFromString() {
static std::string* moved_from_string = new std::string(kMovedFromString);
return moved_from_string;
}
void Status::UnrefNonInlined(uintptr_t rep) {
status_internal::StatusRep* r = RepToPointer(rep);
// Fast path: if ref==1, there is no need for a RefCountDec (since
// this is the only reference and therefore no other thread is
// allowed to be mucking with r).
if (r->ref.load(std::memory_order_acquire) == 1 ||
r->ref.fetch_sub(1, std::memory_order_acq_rel) - 1 == 0) {
delete r;
}
}
uintptr_t Status::NewRep(absl::StatusCode code, absl::string_view msg,
std::unique_ptr<status_internal::Payloads> payloads) {
status_internal::StatusRep* rep = new status_internal::StatusRep(
code, std::string(msg.data(), msg.size()), std::move(payloads));
Export of internal Abseil changes -- bffb14058bb46137d42c7a113a36b6b582997cda by Xiaoyi Zhang <zhangxy@google.com>: Add ABSL_MUST_USE_RESULT to Status. PiperOrigin-RevId: 296272498 -- b426fdd3b3f687d7a8aeb644925923bbab503778 by CJ Johnson <johnsoncj@google.com>: Optimizes absl::InlinedVector::clear() by not deallocating the data, if allocated. This allows allocations to be reused. This matches the behavior of std::vector::clear() PiperOrigin-RevId: 296197235 -- 8cb9fbfe20e749816065c1a042e84f72dac9bfc0 by CJ Johnson <johnsoncj@google.com>: Optimizes absl::InlinedVector::clear() by not deallocating the data, if allocated. This allows allocations to be reused. This matches the behavior of std::vector::clear() PiperOrigin-RevId: 296058092 -- 2558d3369a482879919155b6f46317ccafe0ca13 by Matthew Brown <matthewbr@google.com>: Internal cleanup PiperOrigin-RevId: 296025806 -- cf7ee57228534021c15ed7421df92acf6c27c9c7 by Gennadiy Rozental <rogeeff@google.com>: Make FlagOps enum class. We also add comments to all the functions used to invoke flag ops. PiperOrigin-RevId: 295975809 -- 74bbdbd12fbc54e9c4ebcb3005e727becf0e509d by Xiaoyi Zhang <zhangxy@google.com>: Release `absl::Status`. PiperOrigin-RevId: 295777662 -- 3dbc622b4e2227863525da2f7de7ecbeb3ede21f by Xiaoyi Zhang <zhangxy@google.com>: Internal change. PiperOrigin-RevId: 295733658 -- 48d74aa0ab01d611da6012b377f038d8b26c712e by Abseil Team <absl-team@google.com>: Fix typo in container/CMakeLists.txt for container_common PiperOrigin-RevId: 295491438 GitOrigin-RevId: bffb14058bb46137d42c7a113a36b6b582997cda Change-Id: Ia966857b07fa7412cd6489ac37b5fa26640e4141
2020-02-20 21:34:37 +01:00
return PointerToRep(rep);
}
Status::Status(absl::StatusCode code, absl::string_view msg)
: rep_(CodeToInlinedRep(code)) {
if (code != absl::StatusCode::kOk && !msg.empty()) {
rep_ = NewRep(code, msg, nullptr);
}
}
int Status::raw_code() const {
if (IsInlined(rep_)) {
return static_cast<int>(InlinedRepToCode(rep_));
}
status_internal::StatusRep* rep = RepToPointer(rep_);
return static_cast<int>(rep->code);
}
absl::StatusCode Status::code() const {
return status_internal::MapToLocalCode(raw_code());
}
void Status::PrepareToModify() {
ABSL_RAW_CHECK(!ok(), "PrepareToModify shouldn't be called on OK status.");
if (IsInlined(rep_)) {
rep_ = NewRep(static_cast<absl::StatusCode>(raw_code()),
absl::string_view(), nullptr);
return;
}
uintptr_t rep_i = rep_;
status_internal::StatusRep* rep = RepToPointer(rep_);
if (rep->ref.load(std::memory_order_acquire) != 1) {
std::unique_ptr<status_internal::Payloads> payloads;
if (rep->payloads) {
payloads = absl::make_unique<status_internal::Payloads>(*rep->payloads);
}
rep_ = NewRep(rep->code, message(), std::move(payloads));
UnrefNonInlined(rep_i);
}
}
bool Status::EqualsSlow(const absl::Status& a, const absl::Status& b) {
if (IsInlined(a.rep_) != IsInlined(b.rep_)) return false;
if (a.message() != b.message()) return false;
if (a.raw_code() != b.raw_code()) return false;
if (a.GetPayloads() == b.GetPayloads()) return true;
const status_internal::Payloads no_payloads;
const status_internal::Payloads* larger_payloads =
a.GetPayloads() ? a.GetPayloads() : &no_payloads;
const status_internal::Payloads* smaller_payloads =
b.GetPayloads() ? b.GetPayloads() : &no_payloads;
if (larger_payloads->size() < smaller_payloads->size()) {
std::swap(larger_payloads, smaller_payloads);
}
if ((larger_payloads->size() - smaller_payloads->size()) > 1) return false;
// Payloads can be ordered differently, so we can't just compare payload
// vectors.
for (const auto& payload : *larger_payloads) {
bool found = false;
for (const auto& other_payload : *smaller_payloads) {
if (payload.type_url == other_payload.type_url) {
if (payload.payload != other_payload.payload) {
return false;
}
found = true;
break;
}
}
if (!found) return false;
}
return true;
}
std::string Status::ToStringSlow() const {
std::string text;
absl::StrAppend(&text, absl::StatusCodeToString(code()), ": ", message());
status_internal::StatusPayloadPrinter printer =
status_internal::GetStatusPayloadPrinter();
this->ForEachPayload([&](absl::string_view type_url,
const absl::Cord& payload) {
absl::optional<std::string> result;
if (printer) result = printer(type_url, payload);
absl::StrAppend(
&text, " [", type_url, "='",
result.has_value() ? *result : absl::CHexEscape(std::string(payload)),
"']");
});
return text;
}
std::ostream& operator<<(std::ostream& os, const Status& x) {
os << x.ToString();
return os;
}
Status AbortedError(absl::string_view message) {
return Status(absl::StatusCode::kAborted, message);
}
Status AlreadyExistsError(absl::string_view message) {
return Status(absl::StatusCode::kAlreadyExists, message);
}
Status CancelledError(absl::string_view message) {
return Status(absl::StatusCode::kCancelled, message);
}
Status DataLossError(absl::string_view message) {
return Status(absl::StatusCode::kDataLoss, message);
}
Status DeadlineExceededError(absl::string_view message) {
return Status(absl::StatusCode::kDeadlineExceeded, message);
}
Status FailedPreconditionError(absl::string_view message) {
return Status(absl::StatusCode::kFailedPrecondition, message);
}
Status InternalError(absl::string_view message) {
return Status(absl::StatusCode::kInternal, message);
}
Status InvalidArgumentError(absl::string_view message) {
return Status(absl::StatusCode::kInvalidArgument, message);
}
Status NotFoundError(absl::string_view message) {
return Status(absl::StatusCode::kNotFound, message);
}
Status OutOfRangeError(absl::string_view message) {
return Status(absl::StatusCode::kOutOfRange, message);
}
Status PermissionDeniedError(absl::string_view message) {
return Status(absl::StatusCode::kPermissionDenied, message);
}
Status ResourceExhaustedError(absl::string_view message) {
return Status(absl::StatusCode::kResourceExhausted, message);
}
Status UnauthenticatedError(absl::string_view message) {
return Status(absl::StatusCode::kUnauthenticated, message);
}
Status UnavailableError(absl::string_view message) {
return Status(absl::StatusCode::kUnavailable, message);
}
Status UnimplementedError(absl::string_view message) {
return Status(absl::StatusCode::kUnimplemented, message);
}
Status UnknownError(absl::string_view message) {
return Status(absl::StatusCode::kUnknown, message);
}
bool IsAborted(const Status& status) {
return status.code() == absl::StatusCode::kAborted;
}
bool IsAlreadyExists(const Status& status) {
return status.code() == absl::StatusCode::kAlreadyExists;
}
bool IsCancelled(const Status& status) {
return status.code() == absl::StatusCode::kCancelled;
}
bool IsDataLoss(const Status& status) {
return status.code() == absl::StatusCode::kDataLoss;
}
bool IsDeadlineExceeded(const Status& status) {
return status.code() == absl::StatusCode::kDeadlineExceeded;
}
bool IsFailedPrecondition(const Status& status) {
return status.code() == absl::StatusCode::kFailedPrecondition;
}
bool IsInternal(const Status& status) {
return status.code() == absl::StatusCode::kInternal;
}
bool IsInvalidArgument(const Status& status) {
return status.code() == absl::StatusCode::kInvalidArgument;
}
bool IsNotFound(const Status& status) {
return status.code() == absl::StatusCode::kNotFound;
}
bool IsOutOfRange(const Status& status) {
return status.code() == absl::StatusCode::kOutOfRange;
}
bool IsPermissionDenied(const Status& status) {
return status.code() == absl::StatusCode::kPermissionDenied;
}
bool IsResourceExhausted(const Status& status) {
return status.code() == absl::StatusCode::kResourceExhausted;
}
bool IsUnauthenticated(const Status& status) {
return status.code() == absl::StatusCode::kUnauthenticated;
}
bool IsUnavailable(const Status& status) {
return status.code() == absl::StatusCode::kUnavailable;
}
bool IsUnimplemented(const Status& status) {
return status.code() == absl::StatusCode::kUnimplemented;
}
bool IsUnknown(const Status& status) {
return status.code() == absl::StatusCode::kUnknown;
}
ABSL_NAMESPACE_END
} // namespace absl