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, 154 insertions, 0 deletions

diff --git a/contrib/libs/llvm16/lib/DebugInfo/CodeView/RecordSerialization.cpp b/contrib/libs/llvm16/lib/DebugInfo/CodeView/RecordSerialization.cpp
new file mode 100644
index 0000000000..d76905df86
--- /dev/null
+++ b/contrib/libs/llvm16/lib/DebugInfo/CodeView/RecordSerialization.cpp
@@ -0,0 +1,154 @@
+//===-- RecordSerialization.cpp -------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+//
+// Utilities for serializing and deserializing CodeView records.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/DebugInfo/CodeView/RecordSerialization.h"
+#include "llvm/ADT/APInt.h"
+#include "llvm/ADT/APSInt.h"
+#include "llvm/DebugInfo/CodeView/CVRecord.h"
+#include "llvm/DebugInfo/CodeView/CodeViewError.h"
+#include "llvm/DebugInfo/CodeView/SymbolRecord.h"
+#include "llvm/Support/BinaryByteStream.h"
+
+using namespace llvm;
+using namespace llvm::codeview;
+using namespace llvm::support;
+
+/// Reinterpret a byte array as an array of characters. Does not interpret as
+/// a C string, as StringRef has several helpers (split) that make that easy.
+StringRef llvm::codeview::getBytesAsCharacters(ArrayRef<uint8_t> LeafData) {
+  return StringRef(reinterpret_cast<const char *>(LeafData.data()),
+                   LeafData.size());
+}
+
+StringRef llvm::codeview::getBytesAsCString(ArrayRef<uint8_t> LeafData) {
+  return getBytesAsCharacters(LeafData).split('\0').first;
+}
+
+Error llvm::codeview::consume(BinaryStreamReader &Reader, APSInt &Num) {
+  // Used to avoid overload ambiguity on APInt constructor.
+  bool FalseVal = false;
+  uint16_t Short;
+  if (auto EC = Reader.readInteger(Short))
+    return EC;
+
+  if (Short < LF_NUMERIC) {
+    Num = APSInt(APInt(/*numBits=*/16, Short, /*isSigned=*/false),
+                 /*isUnsigned=*/true);
+    return Error::success();
+  }
+
+  switch (Short) {
+  case LF_CHAR: {
+    int8_t N;
+    if (auto EC = Reader.readInteger(N))
+      return EC;
+    Num = APSInt(APInt(8, N, true), false);
+    return Error::success();
+  }
+  case LF_SHORT: {
+    int16_t N;
+    if (auto EC = Reader.readInteger(N))
+      return EC;
+    Num = APSInt(APInt(16, N, true), false);
+    return Error::success();
+  }
+  case LF_USHORT: {
+    uint16_t N;
+    if (auto EC = Reader.readInteger(N))
+      return EC;
+    Num = APSInt(APInt(16, N, false), true);
+    return Error::success();
+  }
+  case LF_LONG: {
+    int32_t N;
+    if (auto EC = Reader.readInteger(N))
+      return EC;
+    Num = APSInt(APInt(32, N, true), false);
+    return Error::success();
+  }
+  case LF_ULONG: {
+    uint32_t N;
+    if (auto EC = Reader.readInteger(N))
+      return EC;
+    Num = APSInt(APInt(32, N, FalseVal), true);
+    return Error::success();
+  }
+  case LF_QUADWORD: {
+    int64_t N;
+    if (auto EC = Reader.readInteger(N))
+      return EC;
+    Num = APSInt(APInt(64, N, true), false);
+    return Error::success();
+  }
+  case LF_UQUADWORD: {
+    uint64_t N;
+    if (auto EC = Reader.readInteger(N))
+      return EC;
+    Num = APSInt(APInt(64, N, false), true);
+    return Error::success();
+  }
+  }
+  return make_error<CodeViewError>(cv_error_code::corrupt_record,
+                                   "Buffer contains invalid APSInt type");
+}
+
+Error llvm::codeview::consume(StringRef &Data, APSInt &Num) {
+  ArrayRef<uint8_t> Bytes(Data.bytes_begin(), Data.bytes_end());
+  BinaryByteStream S(Bytes, llvm::support::little);
+  BinaryStreamReader SR(S);
+  auto EC = consume(SR, Num);
+  Data = Data.take_back(SR.bytesRemaining());
+  return EC;
+}
+
+/// Decode a numeric leaf value that is known to be a uint64_t.
+Error llvm::codeview::consume_numeric(BinaryStreamReader &Reader,
+                                      uint64_t &Num) {
+  APSInt N;
+  if (auto EC = consume(Reader, N))
+    return EC;
+  if (N.isSigned() || !N.isIntN(64))
+    return make_error<CodeViewError>(cv_error_code::corrupt_record,
+                                     "Data is not a numeric value!");
+  Num = N.getLimitedValue();
+  return Error::success();
+}
+
+Error llvm::codeview::consume(BinaryStreamReader &Reader, uint32_t &Item) {
+  return Reader.readInteger(Item);
+}
+
+Error llvm::codeview::consume(StringRef &Data, uint32_t &Item) {
+  ArrayRef<uint8_t> Bytes(Data.bytes_begin(), Data.bytes_end());
+  BinaryByteStream S(Bytes, llvm::support::little);
+  BinaryStreamReader SR(S);
+  auto EC = consume(SR, Item);
+  Data = Data.take_back(SR.bytesRemaining());
+  return EC;
+}
+
+Error llvm::codeview::consume(BinaryStreamReader &Reader, int32_t &Item) {
+  return Reader.readInteger(Item);
+}
+
+Error llvm::codeview::consume(BinaryStreamReader &Reader, StringRef &Item) {
+  if (Reader.empty())
+    return make_error<CodeViewError>(cv_error_code::corrupt_record,
+                                     "Null terminated string buffer is empty!");
+
+  return Reader.readCString(Item);
+}
+
+Expected<CVSymbol> llvm::codeview::readSymbolFromStream(BinaryStreamRef Stream,
+                                                        uint32_t Offset) {
+  return readCVRecordFromStream<SymbolKind>(Stream, Offset);
+}