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usr / src / contrib / llvm-project / lldb / source / API /

📁 ..
📄 SBAddress.cpp(10.65 KB)
📄 SBAttachInfo.cpp(10.17 KB)
📄 SBBlock.cpp(12.18 KB)
📄 SBBreakpoint.cpp(34.51 KB)
📄 SBBreakpointLocation.cpp(17.54 KB)
📄 SBBreakpointName.cpp(23.49 KB)
📄 SBBreakpointOptionCommon.cpp(2.88 KB)
📄 SBBreakpointOptionCommon.h(1.22 KB)
📄 SBBroadcaster.cpp(7.11 KB)
📄 SBCommandInterpreter.cpp(33.92 KB)
📄 SBCommandInterpreterRunOptions.cpp(9.99 KB)
📄 SBCommandReturnObject.cpp(14.87 KB)
📄 SBCommunication.cpp(7.16 KB)
📄 SBCompileUnit.cpp(9.25 KB)
📄 SBData.cpp(23.68 KB)
📄 SBDebugger.cpp(66.66 KB)
📄 SBDeclaration.cpp(6.16 KB)
📄 SBEnvironment.cpp(5.2 KB)
📄 SBError.cpp(5.64 KB)
📄 SBEvent.cpp(7.37 KB)
📄 SBExecutionContext.cpp(5.26 KB)
📄 SBExpressionOptions.cpp(12.71 KB)
📄 SBFile.cpp(4.89 KB)
📄 SBFileSpec.cpp(7.2 KB)
📄 SBFileSpecList.cpp(4.81 KB)
📄 SBFrame.cpp(45.55 KB)
📄 SBFunction.cpp(9.03 KB)
📄 SBHostOS.cpp(5.96 KB)
📄 SBInstruction.cpp(12.79 KB)
📄 SBInstructionList.cpp(7.64 KB)
📄 SBLanguageRuntime.cpp(1.54 KB)
📄 SBLaunchInfo.cpp(13.96 KB)
📄 SBLineEntry.cpp(6.73 KB)
📄 SBListener.cpp(13.13 KB)
📄 SBMemoryRegionInfo.cpp(5.4 KB)
📄 SBMemoryRegionInfoList.cpp(5.09 KB)
📄 SBModule.cpp(25.85 KB)
📄 SBModuleSpec.cpp(10.62 KB)
📄 SBPlatform.cpp(25.5 KB)
📄 SBProcess.cpp(49.03 KB)
📄 SBProcessInfo.cpp(5.98 KB)
📄 SBQueue.cpp(9.86 KB)
📄 SBQueueItem.cpp(4.36 KB)
📄 SBReproducer.cpp(7.57 KB)
📄 SBReproducerPrivate.h(2.07 KB)
📄 SBSection.cpp(10.38 KB)
📄 SBSourceManager.cpp(5.84 KB)
📄 SBStream.cpp(6.95 KB)
📄 SBStringList.cpp(4.86 KB)
📄 SBStructuredData.cpp(8.71 KB)
📄 SBSymbol.cpp(7.6 KB)
📄 SBSymbolContext.cpp(8.59 KB)
📄 SBSymbolContextList.cpp(4.58 KB)
📄 SBTarget.cpp(99.19 KB)
📄 SBThread.cpp(47.63 KB)
📄 SBThreadCollection.cpp(3.37 KB)
📄 SBThreadPlan.cpp(17.19 KB)
📄 SBTrace.cpp(4.21 KB)
📄 SBTraceOptions.cpp(5.22 KB)
📄 SBType.cpp(32.23 KB)
📄 SBTypeCategory.cpp(24.5 KB)
📄 SBTypeEnumMember.cpp(7.64 KB)
📄 SBTypeFilter.cpp(6.8 KB)
📄 SBTypeFormat.cpp(7.19 KB)
📄 SBTypeNameSpecifier.cpp(6 KB)
📄 SBTypeSummary.cpp(17.62 KB)
📄 SBTypeSynthetic.cpp(7.87 KB)
📄 SBUnixSignals.cpp(6.29 KB)
📄 SBValue.cpp(52.5 KB)
📄 SBValueList.cpp(6.43 KB)
📄 SBVariablesOptions.cpp(9.41 KB)
📄 SBWatchpoint.cpp(11.29 KB)
📄 SystemInitializerFull.cpp(2.24 KB)
📄 SystemInitializerFull.h(1.08 KB)
📄 Utils.h(847 B)
📄 liblldb-private.exports(84 B)
📄 liblldb.exports(45 B)
📄 liblldb.xcode.exports(34 B)

Editing: SBStream.cpp

//===-- SBStream.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
//
//===----------------------------------------------------------------------===//

#include "lldb/API/SBStream.h"

#include "SBReproducerPrivate.h"
#include "lldb/API/SBFile.h"
#include "lldb/Core/StreamFile.h"
#include "lldb/Host/FileSystem.h"
#include "lldb/Utility/Status.h"
#include "lldb/Utility/Stream.h"
#include "lldb/Utility/StreamString.h"

using namespace lldb;
using namespace lldb_private;

SBStream::SBStream() : m_opaque_up(new StreamString()), m_is_file(false) {
  LLDB_RECORD_CONSTRUCTOR_NO_ARGS(SBStream);
}

SBStream::SBStream(SBStream &&rhs)
    : m_opaque_up(std::move(rhs.m_opaque_up)), m_is_file(rhs.m_is_file) {}

SBStream::~SBStream() = default;

bool SBStream::IsValid() const {
  LLDB_RECORD_METHOD_CONST_NO_ARGS(bool, SBStream, IsValid);
  return this->operator bool();
}
SBStream::operator bool() const {
  LLDB_RECORD_METHOD_CONST_NO_ARGS(bool, SBStream, operator bool);

return (m_opaque_up != nullptr);
}

// If this stream is not redirected to a file, it will maintain a local cache
// for the stream data which can be accessed using this accessor.
const char *SBStream::GetData() {
  LLDB_RECORD_METHOD_NO_ARGS(const char *, SBStream, GetData);

if (m_is_file || m_opaque_up == nullptr)
    return nullptr;

return static_cast<StreamString *>(m_opaque_up.get())->GetData();
}

// If this stream is not redirected to a file, it will maintain a local cache
// for the stream output whose length can be accessed using this accessor.
size_t SBStream::GetSize() {
  LLDB_RECORD_METHOD_NO_ARGS(size_t, SBStream, GetSize);

if (m_is_file || m_opaque_up == nullptr)
    return 0;

return static_cast<StreamString *>(m_opaque_up.get())->GetSize();
}

void SBStream::Print(const char *str) {
  LLDB_RECORD_METHOD(void, SBStream, Print, (const char *), str);

Printf("%s", str);
}

void SBStream::Printf(const char *format, ...) {
  if (!format)
    return;
  va_list args;
  va_start(args, format);
  ref().PrintfVarArg(format, args);
  va_end(args);
}

void SBStream::RedirectToFile(const char *path, bool append) {
  LLDB_RECORD_METHOD(void, SBStream, RedirectToFile, (const char *, bool), path,
                     append);

if (path == nullptr)
    return;

std::string local_data;
  if (m_opaque_up) {
    // See if we have any locally backed data. If so, copy it so we can then
    // redirect it to the file so we don't lose the data
    if (!m_is_file)
      local_data = std::string(
          static_cast<StreamString *>(m_opaque_up.get())->GetString());
  }
  auto open_options = File::eOpenOptionWrite | File::eOpenOptionCanCreate;
  if (append)
    open_options |= File::eOpenOptionAppend;
  else
    open_options |= File::eOpenOptionTruncate;

llvm::Expected<FileUP> file =
      FileSystem::Instance().Open(FileSpec(path), open_options);
  if (!file) {
    LLDB_LOG_ERROR(GetLogIfAllCategoriesSet(LIBLLDB_LOG_API), file.takeError(),
                   "Cannot open {1}: {0}", path);
    return;
  }

m_opaque_up = std::make_unique<StreamFile>(std::move(file.get()));
  m_is_file = true;

// If we had any data locally in our StreamString, then pass that along to
  // the to new file we are redirecting to.
  if (!local_data.empty())
    m_opaque_up->Write(&local_data[0], local_data.size());
}

void SBStream::RedirectToFileHandle(FILE *fh, bool transfer_fh_ownership) {
  LLDB_RECORD_METHOD(void, SBStream, RedirectToFileHandle, (FILE *, bool), fh,
                     transfer_fh_ownership);
  FileSP file = std::make_unique<NativeFile>(fh, transfer_fh_ownership);
  return RedirectToFile(file);
}

void SBStream::RedirectToFile(SBFile file) {
  LLDB_RECORD_METHOD(void, SBStream, RedirectToFile, (SBFile), file)
  RedirectToFile(file.GetFile());
}

void SBStream::RedirectToFile(FileSP file_sp) {
  LLDB_RECORD_METHOD(void, SBStream, RedirectToFile, (FileSP), file_sp);

if (!file_sp || !file_sp->IsValid())
    return;

m_opaque_up = std::make_unique<StreamFile>(file_sp);
  m_is_file = true;

void SBStream::RedirectToFileDescriptor(int fd, bool transfer_fh_ownership) {
  LLDB_RECORD_METHOD(void, SBStream, RedirectToFileDescriptor, (int, bool), fd,
                     transfer_fh_ownership);

m_opaque_up = std::make_unique<StreamFile>(fd, transfer_fh_ownership);
  m_is_file = true;

lldb_private::Stream *SBStream::operator->() { return m_opaque_up.get(); }

lldb_private::Stream *SBStream::get() { return m_opaque_up.get(); }

lldb_private::Stream &SBStream::ref() {
  if (m_opaque_up == nullptr)
    m_opaque_up = std::make_unique<StreamString>();
  return *m_opaque_up;
}

void SBStream::Clear() {
  LLDB_RECORD_METHOD_NO_ARGS(void, SBStream, Clear);

if (m_opaque_up) {
    // See if we have any locally backed data. If so, copy it so we can then
    // redirect it to the file so we don't lose the data
    if (m_is_file)
      m_opaque_up.reset();
    else
      static_cast<StreamString *>(m_opaque_up.get())->Clear();
  }
}

namespace lldb_private {
namespace repro {

template <>
void RegisterMethods<SBStream>(Registry &R) {
  LLDB_REGISTER_CONSTRUCTOR(SBStream, ());
  LLDB_REGISTER_METHOD_CONST(bool, SBStream, IsValid, ());
  LLDB_REGISTER_METHOD_CONST(bool, SBStream, operator bool, ());
  LLDB_REGISTER_METHOD(const char *, SBStream, GetData, ());
  LLDB_REGISTER_METHOD(size_t, SBStream, GetSize, ());
  LLDB_REGISTER_METHOD(void, SBStream, RedirectToFile, (const char *, bool));
  LLDB_REGISTER_METHOD(void, SBStream, RedirectToFile, (FileSP));
  LLDB_REGISTER_METHOD(void, SBStream, RedirectToFile, (SBFile));
  LLDB_REGISTER_METHOD(void, SBStream, RedirectToFileHandle, (FILE *, bool));
  LLDB_REGISTER_METHOD(void, SBStream, RedirectToFileDescriptor, (int, bool));
  LLDB_REGISTER_METHOD(void, SBStream, Clear, ());
  LLDB_REGISTER_METHOD(void, SBStream, Print, (const char *));
}

}
}

003 File Manager

Editing: SBStream.cpp

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