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, 156 insertions, 0 deletions

diff --git a/contrib/libs/clang14/include/clang/AST/EvaluatedExprVisitor.h b/contrib/libs/clang14/include/clang/AST/EvaluatedExprVisitor.h
new file mode 100644
index 0000000000..2c8e04dbcf
--- /dev/null
+++ b/contrib/libs/clang14/include/clang/AST/EvaluatedExprVisitor.h
@@ -0,0 +1,156 @@
+#pragma once
+
+#ifdef __GNUC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-parameter"
+#endif
+
+//===--- EvaluatedExprVisitor.h - Evaluated expression visitor --*- 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 EvaluatedExprVisitor class template, which visits
+//  the potentially-evaluated subexpressions of a potentially-evaluated
+//  expression.
+//
+//===----------------------------------------------------------------------===//
+#ifndef LLVM_CLANG_AST_EVALUATEDEXPRVISITOR_H
+#define LLVM_CLANG_AST_EVALUATEDEXPRVISITOR_H
+
+#include "clang/AST/DeclCXX.h"
+#include "clang/AST/Expr.h"
+#include "clang/AST/ExprCXX.h"
+#include "clang/AST/StmtVisitor.h"
+#include "llvm/ADT/STLExtras.h"
+
+namespace clang {
+
+class ASTContext;
+
+/// Given a potentially-evaluated expression, this visitor visits all
+/// of its potentially-evaluated subexpressions, recursively.
+template<template <typename> class Ptr, typename ImplClass>
+class EvaluatedExprVisitorBase : public StmtVisitorBase<Ptr, ImplClass, void> {
+protected:
+  const ASTContext &Context;
+
+public:
+  // Return whether this visitor should recurse into discarded statements for a
+  // 'constexpr-if'.
+  bool shouldVisitDiscardedStmt() const { return true; }
+#define PTR(CLASS) typename Ptr<CLASS>::type
+
+  explicit EvaluatedExprVisitorBase(const ASTContext &Context) : Context(Context) { }
+
+  // Expressions that have no potentially-evaluated subexpressions (but may have
+  // other sub-expressions).
+  void VisitDeclRefExpr(PTR(DeclRefExpr) E) { }
+  void VisitOffsetOfExpr(PTR(OffsetOfExpr) E) { }
+  void VisitUnaryExprOrTypeTraitExpr(PTR(UnaryExprOrTypeTraitExpr) E) { }
+  void VisitExpressionTraitExpr(PTR(ExpressionTraitExpr) E) { }
+  void VisitBlockExpr(PTR(BlockExpr) E) { }
+  void VisitCXXUuidofExpr(PTR(CXXUuidofExpr) E) { }
+  void VisitCXXNoexceptExpr(PTR(CXXNoexceptExpr) E) { }
+
+  void VisitMemberExpr(PTR(MemberExpr) E) {
+    // Only the base matters.
+    return this->Visit(E->getBase());
+  }
+
+  void VisitChooseExpr(PTR(ChooseExpr) E) {
+    // Don't visit either child expression if the condition is dependent.
+    if (E->getCond()->isValueDependent())
+      return;
+    // Only the selected subexpression matters; the other one is not evaluated.
+    return this->Visit(E->getChosenSubExpr());
+  }
+
+  void VisitGenericSelectionExpr(PTR(GenericSelectionExpr) E) {
+    // The controlling expression of a generic selection is not evaluated.
+
+    // Don't visit either child expression if the condition is type-dependent.
+    if (E->isResultDependent())
+      return;
+    // Only the selected subexpression matters; the other subexpressions and the
+    // controlling expression are not evaluated.
+    return this->Visit(E->getResultExpr());
+  }
+
+  void VisitDesignatedInitExpr(PTR(DesignatedInitExpr) E) {
+    // Only the actual initializer matters; the designators are all constant
+    // expressions.
+    return this->Visit(E->getInit());
+  }
+
+  void VisitCXXTypeidExpr(PTR(CXXTypeidExpr) E) {
+    if (E->isPotentiallyEvaluated())
+      return this->Visit(E->getExprOperand());
+  }
+
+  void VisitCallExpr(PTR(CallExpr) CE) {
+    if (!CE->isUnevaluatedBuiltinCall(Context))
+      return getDerived().VisitExpr(CE);
+  }
+
+  void VisitLambdaExpr(PTR(LambdaExpr) LE) {
+    // Only visit the capture initializers, and not the body.
+    for (LambdaExpr::const_capture_init_iterator I = LE->capture_init_begin(),
+                                                 E = LE->capture_init_end();
+         I != E; ++I)
+      if (*I)
+        this->Visit(*I);
+  }
+
+  /// The basis case walks all of the children of the statement or
+  /// expression, assuming they are all potentially evaluated.
+  void VisitStmt(PTR(Stmt) S) {
+    for (auto *SubStmt : S->children())
+      if (SubStmt)
+        this->Visit(SubStmt);
+  }
+
+  void VisitIfStmt(PTR(IfStmt) If) {
+    if (!getDerived().shouldVisitDiscardedStmt()) {
+      if (auto SubStmt = If->getNondiscardedCase(Context)) {
+        if (*SubStmt)
+          this->Visit(*SubStmt);
+        return;
+      }
+    }
+
+    getDerived().VisitStmt(If);
+  }
+
+  ImplClass &getDerived() { return *static_cast<ImplClass *>(this); }
+
+#undef PTR
+};
+
+/// EvaluatedExprVisitor - This class visits 'Expr *'s
+template <typename ImplClass>
+class EvaluatedExprVisitor
+    : public EvaluatedExprVisitorBase<std::add_pointer, ImplClass> {
+public:
+  explicit EvaluatedExprVisitor(const ASTContext &Context)
+      : EvaluatedExprVisitorBase<std::add_pointer, ImplClass>(Context) {}
+};
+
+/// ConstEvaluatedExprVisitor - This class visits 'const Expr *'s.
+template <typename ImplClass>
+class ConstEvaluatedExprVisitor
+    : public EvaluatedExprVisitorBase<llvm::make_const_ptr, ImplClass> {
+public:
+  explicit ConstEvaluatedExprVisitor(const ASTContext &Context)
+      : EvaluatedExprVisitorBase<llvm::make_const_ptr, ImplClass>(Context) {}
+};
+}
+
+#endif // LLVM_CLANG_AST_EVALUATEDEXPRVISITOR_H
+
+#ifdef __GNUC__
+#pragma GCC diagnostic pop
+#endif