intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

3 files changed, 579 insertions, 0 deletions

diff --git a/contrib/libs/llvm12/include/llvm/Testing/Support/Annotations.h b/contrib/libs/llvm12/include/llvm/Testing/Support/Annotations.h
new file mode 100644
index 00000000000..14384efbca6
--- /dev/null
+++ b/contrib/libs/llvm12/include/llvm/Testing/Support/Annotations.h
@@ -0,0 +1,103 @@
+#pragma once
+
+#ifdef __GNUC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-parameter"
+#endif
+
+//===--- Annotations.h - Annotated source code for tests ---------*- C++-*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+#ifndef LLVM_TESTING_SUPPORT_ANNOTATIONS_H
+#define LLVM_TESTING_SUPPORT_ANNOTATIONS_H
+
+#include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/StringMap.h"
+#include "llvm/ADT/StringRef.h"
+#include <tuple>
+#include <vector>
+
+namespace llvm {
+
+/// Annotations lets you mark points and ranges inside source code, for tests:
+///
+///    Annotations Example(R"cpp(
+///       int complete() { x.pri^ }         // ^ indicates a point
+///       void err() { [["hello" == 42]]; } // [[this is a range]]
+///       $definition^class Foo{};          // points can be named: "definition"
+///       $fail[[static_assert(false, "")]] // ranges can be named too: "fail"
+///    )cpp");
+///
+///    StringRef Code = Example.code();             // annotations stripped.
+///    std::vector<size_t> PP = Example.points();   // all unnamed points
+///    size_t P = Example.point();                  // there must be exactly one
+///    llvm::Range R = Example.range("fail");       // find named ranges
+///
+/// Points/ranges are coordinated into `code()` which is stripped of
+/// annotations.
+///
+/// Ranges may be nested (and points can be inside ranges), but there's no way
+/// to define general overlapping ranges.
+///
+/// FIXME: the choice of the marking syntax makes it impossible to represent
+///        some of the C++ and Objective C constructs (including common ones
+///        like C++ attributes). We can fix this by:
+///          1. introducing an escaping mechanism for the special characters,
+///          2. making characters for marking points and ranges configurable,
+///          3. changing the syntax to something less commonly used,
+///          4. ...
+class Annotations {
+public:
+  /// Two offsets pointing to a continuous substring. End is not included, i.e.
+  /// represents a half-open range.
+  struct Range {
+    size_t Begin = 0;
+    size_t End = 0;
+
+    friend bool operator==(const Range &L, const Range &R) {
+      return std::tie(L.Begin, L.End) == std::tie(R.Begin, R.End);
+    }
+    friend bool operator!=(const Range &L, const Range &R) { return !(L == R); }
+  };
+
+  /// Parses the annotations from Text. Crashes if it's malformed.
+  Annotations(llvm::StringRef Text);
+
+  /// The input text with all annotations stripped.
+  /// All points and ranges are relative to this stripped text.
+  llvm::StringRef code() const { return Code; }
+
+  /// Returns the position of the point marked by ^ (or $name^) in the text.
+  /// Crashes if there isn't exactly one.
+  size_t point(llvm::StringRef Name = "") const;
+  /// Returns the position of all points marked by ^ (or $name^) in the text.
+  /// Order matches the order within the text.
+  std::vector<size_t> points(llvm::StringRef Name = "") const;
+
+  /// Returns the location of the range marked by [[ ]] (or $name[[ ]]).
+  /// Crashes if there isn't exactly one.
+  Range range(llvm::StringRef Name = "") const;
+  /// Returns the location of all ranges marked by [[ ]] (or $name[[ ]]).
+  /// They are ordered by start position within the text.
+  std::vector<Range> ranges(llvm::StringRef Name = "") const;
+
+private:
+  std::string Code;
+  llvm::StringMap<llvm::SmallVector<size_t, 1>> Points;
+  llvm::StringMap<llvm::SmallVector<Range, 1>> Ranges;
+};
+
+llvm::raw_ostream &operator<<(llvm::raw_ostream &O,
+                              const llvm::Annotations::Range &R);
+
+} // namespace llvm
+
+#endif
+
+#ifdef __GNUC__
+#pragma GCC diagnostic pop
+#endif
diff --git a/contrib/libs/llvm12/include/llvm/Testing/Support/Error.h b/contrib/libs/llvm12/include/llvm/Testing/Support/Error.h
new file mode 100644
index 00000000000..0b3f2fb7e64
--- /dev/null
+++ b/contrib/libs/llvm12/include/llvm/Testing/Support/Error.h
@@ -0,0 +1,217 @@
+#pragma once
+
+#ifdef __GNUC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-parameter"
+#endif
+
+//===- llvm/Testing/Support/Error.h ---------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TESTING_SUPPORT_ERROR_H
+#define LLVM_TESTING_SUPPORT_ERROR_H
+
+#include "llvm/ADT/Optional.h"
+#include "llvm/Support/Error.h"
+#include "llvm/Testing/Support/SupportHelpers.h"
+
+#include "gmock/gmock.h"
+#include <ostream>
+
+namespace llvm {
+namespace detail {
+ErrorHolder TakeError(Error Err);
+
+template <typename T> ExpectedHolder<T> TakeExpected(Expected<T> &Exp) {
+  return {TakeError(Exp.takeError()), Exp};
+}
+
+template <typename T> ExpectedHolder<T> TakeExpected(Expected<T> &&Exp) {
+  return TakeExpected(Exp);
+}
+
+template <typename T>
+class ValueMatchesMono
+    : public testing::MatcherInterface<const ExpectedHolder<T> &> {
+public:
+  explicit ValueMatchesMono(const testing::Matcher<T> &Matcher)
+      : Matcher(Matcher) {}
+
+  bool MatchAndExplain(const ExpectedHolder<T> &Holder,
+                       testing::MatchResultListener *listener) const override {
+    if (!Holder.Success())
+      return false;
+
+    bool result = Matcher.MatchAndExplain(*Holder.Exp, listener);
+
+    if (result)
+      return result;
+    *listener << "(";
+    Matcher.DescribeNegationTo(listener->stream());
+    *listener << ")";
+    return result;
+  }
+
+  void DescribeTo(std::ostream *OS) const override {
+    *OS << "succeeded with value (";
+    Matcher.DescribeTo(OS);
+    *OS << ")";
+  }
+
+  void DescribeNegationTo(std::ostream *OS) const override {
+    *OS << "did not succeed or value (";
+    Matcher.DescribeNegationTo(OS);
+    *OS << ")";
+  }
+
+private:
+  testing::Matcher<T> Matcher;
+};
+
+template<typename M>
+class ValueMatchesPoly {
+public:
+  explicit ValueMatchesPoly(const M &Matcher) : Matcher(Matcher) {}
+
+  template <typename T>
+  operator testing::Matcher<const ExpectedHolder<T> &>() const {
+    return MakeMatcher(
+        new ValueMatchesMono<T>(testing::SafeMatcherCast<T>(Matcher)));
+  }
+
+private:
+  M Matcher;
+};
+
+template <typename InfoT>
+class ErrorMatchesMono : public testing::MatcherInterface<const ErrorHolder &> {
+public:
+  explicit ErrorMatchesMono(Optional<testing::Matcher<InfoT &>> Matcher)
+      : Matcher(std::move(Matcher)) {}
+
+  bool MatchAndExplain(const ErrorHolder &Holder,
+                       testing::MatchResultListener *listener) const override {
+    if (Holder.Success())
+      return false;
+
+    if (Holder.Infos.size() > 1) {
+      *listener << "multiple errors";
+      return false;
+    }
+
+    auto &Info = *Holder.Infos[0];
+    if (!Info.isA<InfoT>()) {
+      *listener << "Error was not of given type";
+      return false;
+    }
+
+    if (!Matcher)
+      return true;
+
+    return Matcher->MatchAndExplain(static_cast<InfoT &>(Info), listener);
+  }
+
+  void DescribeTo(std::ostream *OS) const override {
+    *OS << "failed with Error of given type";
+    if (Matcher) {
+      *OS << " and the error ";
+      Matcher->DescribeTo(OS);
+    }
+  }
+
+  void DescribeNegationTo(std::ostream *OS) const override {
+    *OS << "succeeded or did not fail with the error of given type";
+    if (Matcher) {
+      *OS << " or the error ";
+      Matcher->DescribeNegationTo(OS);
+    }
+  }
+
+private:
+  Optional<testing::Matcher<InfoT &>> Matcher;
+};
+
+class ErrorMessageMatches
+    : public testing::MatcherInterface<const ErrorHolder &> {
+public:
+  explicit ErrorMessageMatches(
+      testing::Matcher<std::vector<std::string>> Matcher)
+      : Matcher(std::move(Matcher)) {}
+
+  bool MatchAndExplain(const ErrorHolder &Holder,
+                       testing::MatchResultListener *listener) const override {
+    std::vector<std::string> Messages;
+    for (const std::shared_ptr<ErrorInfoBase> &Info: Holder.Infos)
+      Messages.push_back(Info->message());
+
+    return Matcher.MatchAndExplain(Messages, listener);
+  }
+
+  void DescribeTo(std::ostream *OS) const override {
+    *OS << "failed with Error whose message ";
+    Matcher.DescribeTo(OS);
+  }
+
+  void DescribeNegationTo(std::ostream *OS) const override {
+    *OS << "failed with an Error whose message ";
+    Matcher.DescribeNegationTo(OS);
+  }
+
+private:
+  testing::Matcher<std::vector<std::string>> Matcher;
+};
+} // namespace detail
+
+#define EXPECT_THAT_ERROR(Err, Matcher)                                        \
+  EXPECT_THAT(llvm::detail::TakeError(Err), Matcher)
+#define ASSERT_THAT_ERROR(Err, Matcher)                                        \
+  ASSERT_THAT(llvm::detail::TakeError(Err), Matcher)
+
+#define EXPECT_THAT_EXPECTED(Err, Matcher)                                     \
+  EXPECT_THAT(llvm::detail::TakeExpected(Err), Matcher)
+#define ASSERT_THAT_EXPECTED(Err, Matcher)                                     \
+  ASSERT_THAT(llvm::detail::TakeExpected(Err), Matcher)
+
+MATCHER(Succeeded, "") { return arg.Success(); }
+MATCHER(Failed, "") { return !arg.Success(); }
+
+template <typename InfoT>
+testing::Matcher<const detail::ErrorHolder &> Failed() {
+  return MakeMatcher(new detail::ErrorMatchesMono<InfoT>(None));
+}
+
+template <typename InfoT, typename M>
+testing::Matcher<const detail::ErrorHolder &> Failed(M Matcher) {
+  return MakeMatcher(new detail::ErrorMatchesMono<InfoT>(
+      testing::SafeMatcherCast<InfoT &>(Matcher)));
+}
+
+template <typename... M>
+testing::Matcher<const detail::ErrorHolder &> FailedWithMessage(M... Matcher) {
+  static_assert(sizeof...(M) > 0, "");
+  return MakeMatcher(
+      new detail::ErrorMessageMatches(testing::ElementsAre(Matcher...)));
+}
+
+template <typename M>
+testing::Matcher<const detail::ErrorHolder &> FailedWithMessageArray(M Matcher) {
+  return MakeMatcher(new detail::ErrorMessageMatches(Matcher));
+}
+
+template <typename M>
+detail::ValueMatchesPoly<M> HasValue(M Matcher) {
+  return detail::ValueMatchesPoly<M>(Matcher);
+}
+
+} // namespace llvm
+
+#endif
+
+#ifdef __GNUC__
+#pragma GCC diagnostic pop
+#endif
diff --git a/contrib/libs/llvm12/include/llvm/Testing/Support/SupportHelpers.h b/contrib/libs/llvm12/include/llvm/Testing/Support/SupportHelpers.h
new file mode 100644
index 00000000000..fd732dd15f2
--- /dev/null
+++ b/contrib/libs/llvm12/include/llvm/Testing/Support/SupportHelpers.h
@@ -0,0 +1,259 @@
+#pragma once
+
+#ifdef __GNUC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-parameter"
+#endif
+
+//===- Testing/Support/SupportHelpers.h -----------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TESTING_SUPPORT_SUPPORTHELPERS_H
+#define LLVM_TESTING_SUPPORT_SUPPORTHELPERS_H
+
+#include "llvm/ADT/Optional.h"
+#include "llvm/ADT/SmallString.h"
+#include "llvm/Support/Error.h"
+#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/Path.h"
+#include "llvm/Support/raw_os_ostream.h"
+#include "gmock/gmock-matchers.h"
+#include "gtest/gtest-printers.h"
+
+#include <string>
+
+namespace llvm {
+namespace detail {
+struct ErrorHolder {
+  std::vector<std::shared_ptr<ErrorInfoBase>> Infos;
+
+  bool Success() const { return Infos.empty(); }
+};
+
+template <typename T> struct ExpectedHolder : public ErrorHolder {
+  ExpectedHolder(ErrorHolder Err, Expected<T> &Exp)
+      : ErrorHolder(std::move(Err)), Exp(Exp) {}
+
+  Expected<T> &Exp;
+};
+
+inline void PrintTo(const ErrorHolder &Err, std::ostream *Out) {
+  raw_os_ostream OS(*Out);
+  OS << (Err.Success() ? "succeeded" : "failed");
+  if (!Err.Success()) {
+    const char *Delim = "  (";
+    for (const auto &Info : Err.Infos) {
+      OS << Delim;
+      Delim = "; ";
+      Info->log(OS);
+    }
+    OS << ")";
+  }
+}
+
+template <typename T>
+void PrintTo(const ExpectedHolder<T> &Item, std::ostream *Out) {
+  if (Item.Success()) {
+    *Out << "succeeded with value " << ::testing::PrintToString(*Item.Exp);
+  } else {
+    PrintTo(static_cast<const ErrorHolder &>(Item), Out);
+  }
+}
+
+template <class InnerMatcher> class ValueIsMatcher {
+public:
+  explicit ValueIsMatcher(InnerMatcher ValueMatcher)
+      : ValueMatcher(ValueMatcher) {}
+
+  template <class T>
+  operator ::testing::Matcher<const llvm::Optional<T> &>() const {
+    return ::testing::MakeMatcher(
+        new Impl<T>(::testing::SafeMatcherCast<T>(ValueMatcher)));
+  }
+
+  template <class T>
+  class Impl : public ::testing::MatcherInterface<const llvm::Optional<T> &> {
+  public:
+    explicit Impl(const ::testing::Matcher<T> &ValueMatcher)
+        : ValueMatcher(ValueMatcher) {}
+
+    bool MatchAndExplain(const llvm::Optional<T> &Input,
+                         testing::MatchResultListener *L) const override {
+      return Input && ValueMatcher.MatchAndExplain(Input.getValue(), L);
+    }
+
+    void DescribeTo(std::ostream *OS) const override {
+      *OS << "has a value that ";
+      ValueMatcher.DescribeTo(OS);
+    }
+    void DescribeNegationTo(std::ostream *OS) const override {
+      *OS << "does not have a value that ";
+      ValueMatcher.DescribeTo(OS);
+    }
+
+  private:
+    testing::Matcher<T> ValueMatcher;
+  };
+
+private:
+  InnerMatcher ValueMatcher;
+};
+} // namespace detail
+
+/// Matches an llvm::Optional<T> with a value that conforms to an inner matcher.
+/// To match llvm::None you could use Eq(llvm::None).
+template <class InnerMatcher>
+detail::ValueIsMatcher<InnerMatcher> ValueIs(const InnerMatcher &ValueMatcher) {
+  return detail::ValueIsMatcher<InnerMatcher>(ValueMatcher);
+}
+namespace unittest {
+
+SmallString<128> getInputFileDirectory(const char *Argv0);
+
+/// A RAII object that creates a temporary directory upon initialization and
+/// removes it upon destruction.
+class TempDir {
+  SmallString<128> Path;
+
+public:
+  /// Creates a managed temporary directory.
+  ///
+  /// @param Name The name of the directory to create.
+  /// @param Unique If true, the directory will be created using
+  ///               llvm::sys::fs::createUniqueDirectory.
+  explicit TempDir(StringRef Name, bool Unique = false) {
+    std::error_code EC;
+    if (Unique) {
+      EC = llvm::sys::fs::createUniqueDirectory(Name, Path);
+      if (!EC) {
+        // Resolve any symlinks in the new directory.
+        std::string UnresolvedPath(Path.str());
+        EC = llvm::sys::fs::real_path(UnresolvedPath, Path);
+      }
+    } else {
+      Path = Name;
+      EC = llvm::sys::fs::create_directory(Path);
+    }
+    if (EC)
+      Path.clear();
+    EXPECT_FALSE(EC) << EC.message();
+  }
+
+  ~TempDir() {
+    if (!Path.empty()) {
+      EXPECT_FALSE(llvm::sys::fs::remove_directories(Path.str()));
+    }
+  }
+
+  TempDir(const TempDir &) = delete;
+  TempDir &operator=(const TempDir &) = delete;
+
+  TempDir(TempDir &&) = default;
+  TempDir &operator=(TempDir &&) = default;
+
+  /// The path to the temporary directory.
+  StringRef path() const { return Path; }
+
+  /// The null-terminated C string pointing to the path.
+  const char *c_str() { return Path.c_str(); }
+
+  /// Creates a new path by appending the argument to the path of the managed
+  /// directory using the native path separator.
+  SmallString<128> path(StringRef component) const {
+    SmallString<128> Result(Path);
+    SmallString<128> ComponentToAppend(component);
+    llvm::sys::path::native(ComponentToAppend);
+    llvm::sys::path::append(Result, Twine(ComponentToAppend));
+    return Result;
+  }
+};
+
+/// A RAII object that creates a link upon initialization and
+/// removes it upon destruction.
+///
+/// The link may be a soft or a hard link, depending on the platform.
+class TempLink {
+  SmallString<128> Path;
+
+public:
+  /// Creates a managed link at path Link pointing to Target.
+  TempLink(StringRef Target, StringRef Link) {
+    Path = Link;
+    std::error_code EC = sys::fs::create_link(Target, Link);
+    if (EC)
+      Path.clear();
+    EXPECT_FALSE(EC);
+  }
+  ~TempLink() {
+    if (!Path.empty()) {
+      EXPECT_FALSE(llvm::sys::fs::remove(Path.str()));
+    }
+  }
+
+  TempLink(const TempLink &) = delete;
+  TempLink &operator=(const TempLink &) = delete;
+
+  TempLink(TempLink &&) = default;
+  TempLink &operator=(TempLink &&) = default;
+
+  /// The path to the link.
+  StringRef path() const { return Path; }
+};
+
+/// A RAII object that creates a file upon initialization and
+/// removes it upon destruction.
+class TempFile {
+  SmallString<128> Path;
+
+public:
+  /// Creates a managed file.
+  ///
+  /// @param Name The name of the file to create.
+  /// @param Contents The string to write to the file.
+  /// @param Unique If true, the file will be created using
+  ///               llvm::sys::fs::createTemporaryFile.
+  TempFile(StringRef Name, StringRef Suffix = "", StringRef Contents = "",
+           bool Unique = false) {
+    std::error_code EC;
+    int fd;
+    if (Unique) {
+      EC = llvm::sys::fs::createTemporaryFile(Name, Suffix, fd, Path);
+    } else {
+      Path = Name;
+      if (!Suffix.empty()) {
+        Path.append(".");
+        Path.append(Suffix);
+      }
+      EC = llvm::sys::fs::openFileForWrite(Path, fd);
+    }
+    EXPECT_FALSE(EC);
+    raw_fd_ostream OS(fd, /*shouldClose*/ true);
+    OS << Contents;
+    OS.flush();
+    EXPECT_FALSE(OS.error());
+    if (EC || OS.error())
+      Path.clear();
+  }
+  ~TempFile() {
+    if (!Path.empty()) {
+      EXPECT_FALSE(llvm::sys::fs::remove(Path.str()));
+    }
+  }
+
+  /// The path to the file.
+  StringRef path() const { return Path; }
+};
+
+} // namespace unittest
+} // namespace llvm
+
+#endif
+
+#ifdef __GNUC__
+#pragma GCC diagnostic pop
+#endif