1 files changed, 0 insertions, 120 deletions
diff --git a/gnu/llvm/lldb/source/Plugins/Language/CPlusPlus/LibCxxBitset.cpp b/gnu/llvm/lldb/source/Plugins/Language/CPlusPlus/LibCxxBitset.cpp
deleted file mode 100644
index 78c453cd1b3..00000000000
--- a/gnu/llvm/lldb/source/Plugins/Language/CPlusPlus/LibCxxBitset.cpp
+++ /dev/null
@@ -1,120 +0,0 @@
-//===-- LibCxxBitset.cpp ----------------------------------------*- 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
-//
-//===----------------------------------------------------------------------===//
-
-#include "LibCxx.h"
-#include "lldb/DataFormatters/FormattersHelpers.h"
-#include "lldb/Symbol/ClangASTContext.h"
-#include "lldb/Target/Target.h"
-
-using namespace lldb;
-using namespace lldb_private;
-
-namespace {
-
-class BitsetFrontEnd : public SyntheticChildrenFrontEnd {
-public:
-  BitsetFrontEnd(ValueObject &valobj);
-
-  size_t GetIndexOfChildWithName(ConstString name) override {
-    return formatters::ExtractIndexFromString(name.GetCString());
-  }
-
-  bool MightHaveChildren() override { return true; }
-  bool Update() override;
-  size_t CalculateNumChildren() override { return m_elements.size(); }
-  ValueObjectSP GetChildAtIndex(size_t idx) override;
-
-private:
-  // The lifetime of a ValueObject and all its derivative ValueObjects
-  // (children, clones, etc.) is managed by a ClusterManager. These
-  // objects are only destroyed when every shared pointer to any of them
-  // is destroyed, so we must not store a shared pointer to any ValueObject
-  // derived from our backend ValueObject (since we're in the same cluster).
-  // Value objects created from raw data (i.e. in a different cluster) must
-  // be referenced via shared pointer to keep them alive, however.
-  std::vector<ValueObjectSP> m_elements;
-  ValueObject* m_first = nullptr;
-  CompilerType m_bool_type;
-  ByteOrder m_byte_order = eByteOrderInvalid;
-  uint8_t m_byte_size = 0;
-};
-} // namespace
-
-BitsetFrontEnd::BitsetFrontEnd(ValueObject &valobj)
-    : SyntheticChildrenFrontEnd(valobj) {
-  m_bool_type = valobj.GetCompilerType().GetBasicTypeFromAST(eBasicTypeBool);
-  if (auto target_sp = m_backend.GetTargetSP()) {
-    m_byte_order = target_sp->GetArchitecture().GetByteOrder();
-    m_byte_size = target_sp->GetArchitecture().GetAddressByteSize();
-    Update();
-  }
-}
-
-bool BitsetFrontEnd::Update() {
-  m_elements.clear();
-  m_first = nullptr;
-
-  TargetSP target_sp = m_backend.GetTargetSP();
-  if (!target_sp)
-    return false;
-  size_t capping_size = target_sp->GetMaximumNumberOfChildrenToDisplay();
-
-  size_t size = 0;
-  if (auto arg = m_backend.GetCompilerType().GetIntegralTemplateArgument(0))
-    size = arg->value.getLimitedValue(capping_size);
-
-  m_elements.assign(size, ValueObjectSP());
-
-  m_first = m_backend.GetChildMemberWithName(ConstString("__first_"), true).get();
-  return false;
-}
-
-ValueObjectSP BitsetFrontEnd::GetChildAtIndex(size_t idx) {
-  if (idx >= m_elements.size() || !m_first)
-    return ValueObjectSP();
-
-  if (m_elements[idx])
-    return m_elements[idx];
-
-  ExecutionContext ctx = m_backend.GetExecutionContextRef().Lock(false);
-  CompilerType type;
-  ValueObjectSP chunk;
-  // For small bitsets __first_ is not an array, but a plain size_t.
-  if (m_first->GetCompilerType().IsArrayType(&type, nullptr, nullptr)) {
-    llvm::Optional<uint64_t> bit_size =
-        type.GetBitSize(ctx.GetBestExecutionContextScope());
-    if (!bit_size || *bit_size == 0)
-      return {};
-    chunk = m_first->GetChildAtIndex(idx / *bit_size, true);
-  } else {
-    type = m_first->GetCompilerType();
-    chunk = m_first->GetSP();
-  }
-  if (!type || !chunk)
-    return {};
-
-  llvm::Optional<uint64_t> bit_size =
-      type.GetBitSize(ctx.GetBestExecutionContextScope());
-  if (!bit_size || *bit_size == 0)
-    return {};
-  size_t chunk_idx = idx % *bit_size;
-  uint8_t value = !!(chunk->GetValueAsUnsigned(0) & (uint64_t(1) << chunk_idx));
-  DataExtractor data(&value, sizeof(value), m_byte_order, m_byte_size);
-
-  m_elements[idx] = CreateValueObjectFromData(llvm::formatv("[{0}]", idx).str(),
-                                              data, ctx, m_bool_type);
-
-  return m_elements[idx];
-}
-
-SyntheticChildrenFrontEnd *formatters::LibcxxBitsetSyntheticFrontEndCreator(
-    CXXSyntheticChildren *, lldb::ValueObjectSP valobj_sp) {
-  if (valobj_sp)
-    return new BitsetFrontEnd(*valobj_sp);
-  return nullptr;
-}