diff options
Diffstat (limited to 'third_party/abseil_cpp/absl/status/status.cc')
| -rw-r--r-- | third_party/abseil_cpp/absl/status/status.cc | 445 |
1 files changed, 0 insertions, 445 deletions
diff --git a/third_party/abseil_cpp/absl/status/status.cc b/third_party/abseil_cpp/absl/status/status.cc deleted file mode 100644 index 0a655736e5..0000000000 --- a/third_party/abseil_cpp/absl/status/status.cc +++ /dev/null @@ -1,445 +0,0 @@ -// 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 (int i = 0; i < payloads->size(); ++i) { - 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) { - PrepareToModify(); - GetPayloads()->erase(GetPayloads()->begin() + index); - 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); - } - 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 (int index = 0; index < payloads->size(); ++index) { - 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. - - // 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; - rep->ref.store(1, std::memory_order_relaxed); - rep->code = code; - rep->message.assign(msg.data(), msg.size()); - rep->payloads = std::move(payloads); - 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 |