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authorVincent Ambo <mail@tazj.in>2022-02-07T23·05+0300
committerclbot <clbot@tvl.fyi>2022-02-07T23·09+0000
commit5aa5d282eac56a21e74611c1cdbaa97bb5db2dca (patch)
tree8cc5dce8157a1470ff76719dd15d65f648a05522 /third_party/abseil_cpp/absl/status/statusor_internals.h
parenta25675804c4f429fab5ee5201fe25e89865dfd13 (diff)
chore(3p/abseil_cpp): unvendor abseil_cpp r/3786
we weren't actually using these sources anymore, okay?

Change-Id: If701571d9716de308d3512e1eb22c35db0877a66
Reviewed-on: https://cl.tvl.fyi/c/depot/+/5248
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
Autosubmit: tazjin <tazjin@tvl.su>
Diffstat (limited to 'third_party/abseil_cpp/absl/status/statusor_internals.h')
-rw-r--r--third_party/abseil_cpp/absl/status/statusor_internals.h250
1 files changed, 0 insertions, 250 deletions
diff --git a/third_party/abseil_cpp/absl/status/statusor_internals.h b/third_party/abseil_cpp/absl/status/statusor_internals.h
deleted file mode 100644
index 5366c2840c37..000000000000
--- a/third_party/abseil_cpp/absl/status/statusor_internals.h
+++ /dev/null
@@ -1,250 +0,0 @@
-/* Copyright 2017 The TensorFlow Authors. All Rights Reserved.
-
-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 ABSL_STATUS_STATUSOR_INTERNALS_H_
-#define ABSL_STATUS_STATUSOR_INTERNALS_H_
-
-#include "absl/status/status.h"
-
-namespace absl {
-ABSL_NAMESPACE_BEGIN
-
-namespace internal_statusor {
-
-class Helper {
- public:
-  // Move type-agnostic error handling to the .cc.
-  static void HandleInvalidStatusCtorArg(Status*);
-  ABSL_ATTRIBUTE_NORETURN static void Crash(const Status& status);
-};
-
-// Construct an instance of T in `p` through placement new, passing Args... to
-// the constructor.
-// This abstraction is here mostly for the gcc performance fix.
-template <typename T, typename... Args>
-void PlacementNew(void* p, Args&&... args) {
-#if defined(__GNUC__) && !defined(__clang__)
-  // Teach gcc that 'p' cannot be null, fixing code size issues.
-  if (p == nullptr) __builtin_unreachable();
-#endif
-  new (p) T(std::forward<Args>(args)...);
-}
-
-// Helper base class to hold the data and all operations.
-// We move all this to a base class to allow mixing with the appropriate
-// TraitsBase specialization.
-template <typename T>
-class StatusOrData {
-  template <typename U>
-  friend class StatusOrData;
-
- public:
-  StatusOrData() = delete;
-
-  StatusOrData(const StatusOrData& other) {
-    if (other.ok()) {
-      MakeValue(other.data_);
-      MakeStatus();
-    } else {
-      MakeStatus(other.status_);
-    }
-  }
-
-  StatusOrData(StatusOrData&& other) noexcept {
-    if (other.ok()) {
-      MakeValue(std::move(other.data_));
-      MakeStatus();
-    } else {
-      MakeStatus(other.status_);
-    }
-  }
-
-  template <typename U>
-  StatusOrData(const StatusOrData<U>& other) {
-    if (other.ok()) {
-      MakeValue(other.data_);
-      MakeStatus();
-    } else {
-      MakeStatus(other.status_);
-    }
-  }
-
-  template <typename U>
-  StatusOrData(StatusOrData<U>&& other) {
-    if (other.ok()) {
-      MakeValue(std::move(other.data_));
-      MakeStatus();
-    } else {
-      MakeStatus(other.status_);
-    }
-  }
-
-  explicit StatusOrData(const T& value) : data_(value) { MakeStatus(); }
-  explicit StatusOrData(T&& value) : data_(std::move(value)) { MakeStatus(); }
-
-  explicit StatusOrData(const Status& status) : status_(status) {
-    EnsureNotOk();
-  }
-  explicit StatusOrData(Status&& status) : status_(std::move(status)) {
-    EnsureNotOk();
-  }
-
-  StatusOrData& operator=(const StatusOrData& other) {
-    if (this == &other) return *this;
-    if (other.ok())
-      Assign(other.data_);
-    else
-      Assign(other.status_);
-    return *this;
-  }
-
-  StatusOrData& operator=(StatusOrData&& other) {
-    if (this == &other) return *this;
-    if (other.ok())
-      Assign(std::move(other.data_));
-    else
-      Assign(std::move(other.status_));
-    return *this;
-  }
-
-  ~StatusOrData() {
-    if (ok()) {
-      status_.~Status();
-      data_.~T();
-    } else {
-      status_.~Status();
-    }
-  }
-
-  void Assign(const T& value) {
-    if (ok()) {
-      data_.~T();
-      MakeValue(value);
-    } else {
-      MakeValue(value);
-      status_ = OkStatus();
-    }
-  }
-
-  void Assign(T&& value) {
-    if (ok()) {
-      data_.~T();
-      MakeValue(std::move(value));
-    } else {
-      MakeValue(std::move(value));
-      status_ = OkStatus();
-    }
-  }
-
-  void Assign(const Status& status) {
-    Clear();
-    status_ = status;
-    EnsureNotOk();
-  }
-
-  void Assign(Status&& status) {
-    Clear();
-    // Note that we copy instead of moving the status here so that
-    // status.~StatusOrData() can call ok() without invoking UB.
-    status_ = status;
-    EnsureNotOk();
-  }
-
-  bool ok() const { return status_.ok(); }
-
- protected:
-  // status_ will always be active after the constructor.
-  // We make it a union to be able to initialize exactly how we need without
-  // waste.
-  // Eg. in the copy constructor we use the default constructor of Status in
-  // the ok() path to avoid an extra Ref call.
-  union {
-    Status status_;
-  };
-
-  // data_ is active iff status_.ok()==true
-  struct Dummy {};
-  union {
-    // When T is const, we need some non-const object we can cast to void* for
-    // the placement new. dummy_ is that object.
-    Dummy dummy_;
-    T data_;
-  };
-
-  void Clear() {
-    if (ok()) data_.~T();
-  }
-
-  void EnsureOk() const {
-    if (!ok()) Helper::Crash(status_);
-  }
-
-  void EnsureNotOk() {
-    if (ok()) Helper::HandleInvalidStatusCtorArg(&status_);
-  }
-
-  // Construct the value (ie. data_) through placement new with the passed
-  // argument.
-  template <typename Arg>
-  void MakeValue(Arg&& arg) {
-    internal_statusor::PlacementNew<T>(&dummy_, std::forward<Arg>(arg));
-  }
-
-  // Construct the status (ie. status_) through placement new with the passed
-  // argument.
-  template <typename... Args>
-  void MakeStatus(Args&&... args) {
-    internal_statusor::PlacementNew<Status>(&status_,
-                                            std::forward<Args>(args)...);
-  }
-};
-
-// Helper base class to allow implicitly deleted constructors and assignment
-// operations in StatusOr.
-// TraitsBase will explicitly delete what it can't support and StatusOr will
-// inherit that behavior implicitly.
-template <bool Copy, bool Move>
-struct TraitsBase {
-  TraitsBase() = default;
-  TraitsBase(const TraitsBase&) = default;
-  TraitsBase(TraitsBase&&) = default;
-  TraitsBase& operator=(const TraitsBase&) = default;
-  TraitsBase& operator=(TraitsBase&&) = default;
-};
-
-template <>
-struct TraitsBase<false, true> {
-  TraitsBase() = default;
-  TraitsBase(const TraitsBase&) = delete;
-  TraitsBase(TraitsBase&&) = default;
-  TraitsBase& operator=(const TraitsBase&) = delete;
-  TraitsBase& operator=(TraitsBase&&) = default;
-};
-
-template <>
-struct TraitsBase<false, false> {
-  TraitsBase() = default;
-  TraitsBase(const TraitsBase&) = delete;
-  TraitsBase(TraitsBase&&) = delete;
-  TraitsBase& operator=(const TraitsBase&) = delete;
-  TraitsBase& operator=(TraitsBase&&) = delete;
-};
-
-}  // namespace internal_statusor
-
-ABSL_NAMESPACE_END
-}  // namespace absl
-
-#endif  // ABSL_STATUS_STATUSOR_INTERNALS_H_