YQ Connector: support managed ClickHouse

Со стороны dqrun можно обратиться к инстансу коннектора, который работает на streaming стенде, и извлечь данные из облачного CH.

1 files changed, 241 insertions, 0 deletions

diff --git a/contrib/libs/clang16/include/clang/AST/ComparisonCategories.h b/contrib/libs/clang16/include/clang/AST/ComparisonCategories.h
new file mode 100644
index 0000000000..b36551bcc3
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+++ b/contrib/libs/clang16/include/clang/AST/ComparisonCategories.h
@@ -0,0 +1,241 @@
+#pragma once
+
+#ifdef __GNUC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-parameter"
+#endif
+
+//===- ComparisonCategories.h - Three Way Comparison Data -------*- 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
+//
+//===----------------------------------------------------------------------===//
+//
+//  This file defines the Comparison Category enum and data types, which
+//  store the types and expressions needed to support operator<=>
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_AST_COMPARISONCATEGORIES_H
+#define LLVM_CLANG_AST_COMPARISONCATEGORIES_H
+
+#include "clang/Basic/LLVM.h"
+#include "llvm/ADT/APSInt.h"
+#include "llvm/ADT/DenseMap.h"
+#include <array>
+#include <cassert>
+#include <optional>
+#include <vector>
+
+namespace llvm {
+  class StringRef;
+  class APSInt;
+}
+
+namespace clang {
+
+class ASTContext;
+class VarDecl;
+class CXXRecordDecl;
+class Sema;
+class QualType;
+class NamespaceDecl;
+
+/// An enumeration representing the different comparison categories
+/// types.
+///
+/// C++2a [cmp.categories.pre] The types weak_equality, strong_equality,
+/// partial_ordering, weak_ordering, and strong_ordering are collectively
+/// termed the comparison category types.
+enum class ComparisonCategoryType : unsigned char {
+  PartialOrdering,
+  WeakOrdering,
+  StrongOrdering,
+  First = PartialOrdering,
+  Last = StrongOrdering
+};
+
+/// Determine the common comparison type, as defined in C++2a
+/// [class.spaceship]p4.
+inline ComparisonCategoryType commonComparisonType(ComparisonCategoryType A,
+                                                   ComparisonCategoryType B) {
+  return A < B ? A : B;
+}
+
+/// Get the comparison category that should be used when comparing values of
+/// type \c T.
+std::optional<ComparisonCategoryType>
+getComparisonCategoryForBuiltinCmp(QualType T);
+
+/// An enumeration representing the possible results of a three-way
+/// comparison. These values map onto instances of comparison category types
+/// defined in the standard library. e.g. 'std::strong_ordering::less'.
+enum class ComparisonCategoryResult : unsigned char {
+  Equal,
+  Equivalent,
+  Less,
+  Greater,
+  Unordered,
+  Last = Unordered
+};
+
+class ComparisonCategoryInfo {
+  friend class ComparisonCategories;
+  friend class Sema;
+
+public:
+  ComparisonCategoryInfo(const ASTContext &Ctx, CXXRecordDecl *RD,
+                         ComparisonCategoryType Kind)
+      : Ctx(Ctx), Record(RD), Kind(Kind) {}
+
+  struct ValueInfo {
+    ComparisonCategoryResult Kind;
+    VarDecl *VD;
+
+    ValueInfo(ComparisonCategoryResult Kind, VarDecl *VD)
+        : Kind(Kind), VD(VD) {}
+
+    /// True iff we've successfully evaluated the variable as a constant
+    /// expression and extracted its integer value.
+    bool hasValidIntValue() const;
+
+    /// Get the constant integer value used by this variable to represent
+    /// the comparison category result type.
+    llvm::APSInt getIntValue() const;
+  };
+private:
+  const ASTContext &Ctx;
+
+  /// A map containing the comparison category result decls from the
+  /// standard library. The key is a value of ComparisonCategoryResult.
+  mutable llvm::SmallVector<
+      ValueInfo, static_cast<unsigned>(ComparisonCategoryResult::Last) + 1>
+      Objects;
+
+  /// Lookup the ValueInfo struct for the specified ValueKind. If the
+  /// VarDecl for the value cannot be found, nullptr is returned.
+  ///
+  /// If the ValueInfo does not have a valid integer value the variable
+  /// is evaluated as a constant expression to determine that value.
+  ValueInfo *lookupValueInfo(ComparisonCategoryResult ValueKind) const;
+
+public:
+  /// The declaration for the comparison category type from the
+  /// standard library.
+  const CXXRecordDecl *Record = nullptr;
+
+  /// The Kind of the comparison category type
+  ComparisonCategoryType Kind;
+
+public:
+  QualType getType() const;
+
+  const ValueInfo *getValueInfo(ComparisonCategoryResult ValueKind) const {
+    ValueInfo *Info = lookupValueInfo(ValueKind);
+    assert(Info &&
+           "comparison category does not contain the specified result kind");
+    assert(Info->hasValidIntValue() &&
+           "couldn't determine the integer constant for this value");
+    return Info;
+  }
+
+  /// True iff the comparison is "strong". i.e. it checks equality and
+  /// not equivalence.
+  bool isStrong() const {
+    using CCK = ComparisonCategoryType;
+    return Kind == CCK::StrongOrdering;
+  }
+
+  /// True iff the comparison is not totally ordered.
+  bool isPartial() const {
+    using CCK = ComparisonCategoryType;
+    return Kind == CCK::PartialOrdering;
+  }
+
+  /// Converts the specified result kind into the correct result kind
+  /// for this category. Specifically it lowers strong equality results to
+  /// weak equivalence if needed.
+  ComparisonCategoryResult makeWeakResult(ComparisonCategoryResult Res) const {
+    using CCR = ComparisonCategoryResult;
+    if (!isStrong() && Res == CCR::Equal)
+      return CCR::Equivalent;
+    return Res;
+  }
+
+  const ValueInfo *getEqualOrEquiv() const {
+    return getValueInfo(makeWeakResult(ComparisonCategoryResult::Equal));
+  }
+  const ValueInfo *getLess() const {
+    return getValueInfo(ComparisonCategoryResult::Less);
+  }
+  const ValueInfo *getGreater() const {
+    return getValueInfo(ComparisonCategoryResult::Greater);
+  }
+  const ValueInfo *getUnordered() const {
+    assert(isPartial());
+    return getValueInfo(ComparisonCategoryResult::Unordered);
+  }
+};
+
+class ComparisonCategories {
+public:
+  static StringRef getCategoryString(ComparisonCategoryType Kind);
+  static StringRef getResultString(ComparisonCategoryResult Kind);
+
+  /// Return the list of results which are valid for the specified
+  /// comparison category type.
+  static std::vector<ComparisonCategoryResult>
+  getPossibleResultsForType(ComparisonCategoryType Type);
+
+  /// Return the comparison category information for the category
+  /// specified by 'Kind'.
+  const ComparisonCategoryInfo &getInfo(ComparisonCategoryType Kind) const {
+    const ComparisonCategoryInfo *Result = lookupInfo(Kind);
+    assert(Result != nullptr &&
+           "information for specified comparison category has not been built");
+    return *Result;
+  }
+
+  /// Return the comparison category information as specified by
+  /// `getCategoryForType(Ty)`. If the information is not already cached,
+  /// the declaration is looked up and a cache entry is created.
+  /// NOTE: Lookup is expected to succeed. Use lookupInfo if failure is
+  /// possible.
+  const ComparisonCategoryInfo &getInfoForType(QualType Ty) const;
+
+public:
+  /// Return the cached comparison category information for the
+  /// specified 'Kind'. If no cache entry is present the comparison category
+  /// type is looked up. If lookup fails nullptr is returned. Otherwise, a
+  /// new cache entry is created and returned
+  const ComparisonCategoryInfo *lookupInfo(ComparisonCategoryType Kind) const;
+
+  ComparisonCategoryInfo *lookupInfo(ComparisonCategoryType Kind) {
+    const auto &This = *this;
+    return const_cast<ComparisonCategoryInfo *>(This.lookupInfo(Kind));
+  }
+
+  const ComparisonCategoryInfo *lookupInfoForType(QualType Ty) const;
+
+private:
+  friend class ASTContext;
+
+  explicit ComparisonCategories(const ASTContext &Ctx) : Ctx(Ctx) {}
+
+  const ASTContext &Ctx;
+
+  /// A map from the ComparisonCategoryType (represented as 'char') to the
+  /// cached information for the specified category.
+  mutable llvm::DenseMap<char, ComparisonCategoryInfo> Data;
+  mutable NamespaceDecl *StdNS = nullptr;
+};
+
+} // namespace clang
+
+#endif
+
+#ifdef __GNUC__
+#pragma GCC diagnostic pop
+#endif