SBDebugger.h

Go to the documentation of this file.

//===-- SBDebugger.h --------------------------------------------*- 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
//
//===----------------------------------------------------------------------===//
 
#ifndef LLDB_API_SBDEBUGGER_H
#define LLDB_API_SBDEBUGGER_H
 
#include <cstdio>
 
#include "lldb/API/SBDefines.h"
#include "lldb/API/SBPlatform.h"
 
namespace lldb {
 
class LLDB_API SBInputReader {
public:
  SBInputReader() = default;
  ~SBInputReader() = default;
 
  SBError Initialize(lldb::SBDebugger &sb_debugger,
                     unsigned long (*callback)(void *, lldb::SBInputReader *,
                                               lldb::InputReaderAction,
                                               char const *, unsigned long),
                     void *a, lldb::InputReaderGranularity b, char const *c,
                     char const *d, bool e);
  void SetIsDone(bool);
  bool IsActive() const;
};
 
class LLDB_API SBDebugger {
public:
  FLAGS_ANONYMOUS_ENUM(){
      eBroadcastBitProgress = (1 << 0),
      eBroadcastBitWarning = (1 << 1),
      eBroadcastBitError = (1 << 2),
  };
 
  SBDebugger();
 
  SBDebugger(const lldb::SBDebugger &rhs);
 
  SBDebugger(const lldb::DebuggerSP &debugger_sp);
 
  ~SBDebugger();
 
  static const char *GetBroadcasterClass();
 
  lldb::SBBroadcaster GetBroadcaster();
 
  /// Get progress data from a SBEvent whose type is eBroadcastBitProgress.
  ///
  /// \param [in] event
  ///   The event to extract the progress information from.
  ///
  /// \param [out] progress_id
  ///   The unique integer identifier for the progress to report.
  ///
  /// \param [out] completed
  ///   The amount of work completed. If \a completed is zero, then this event
  ///   is a progress started event. If \a completed is equal to \a total, then
  ///   this event is a progress end event. Otherwise completed indicates the
  ///   current progress update.
  ///
  /// \param [out] total
  ///   The total amount of work units that need to be completed. If this value
  ///   is UINT64_MAX, then an indeterminate progress indicator should be
  ///   displayed.
  ///
  /// \param [out] is_debugger_specific
  ///   Set to true if this progress is specific to this debugger only. Many
  ///   progress events are not specific to a debugger instance, like any
  ///   progress events for loading information in modules since LLDB has a
  ///   global module cache that all debuggers use.
  ///
  /// \return The message for the progress. If the returned value is NULL, then
  ///   \a event was not a eBroadcastBitProgress event.
  static const char *GetProgressFromEvent(const lldb::SBEvent &event,
                                          uint64_t &progress_id,
                                          uint64_t &completed, uint64_t &total,
                                          bool &is_debugger_specific);
 
  static lldb::SBStructuredData
  GetDiagnosticFromEvent(const lldb::SBEvent &event);
 
  lldb::SBDebugger &operator=(const lldb::SBDebugger &rhs);
 
  static void Initialize();
 
  static lldb::SBError InitializeWithErrorHandling();
 
  static void PrintStackTraceOnError();
 
  static void Terminate();
 
  // Deprecated, use the one that takes a source_init_files bool.
  static lldb::SBDebugger Create();
 
  static lldb::SBDebugger Create(bool source_init_files);
 
  static lldb::SBDebugger Create(bool source_init_files,
                                 lldb::LogOutputCallback log_callback,
                                 void *baton);
 
  static void Destroy(lldb::SBDebugger &debugger);
 
  static void MemoryPressureDetected();
 
  explicit operator bool() const;
 
  bool IsValid() const;
 
  void Clear();
 
  void SetAsync(bool b);
 
  bool GetAsync();
 
  void SkipLLDBInitFiles(bool b);
 
  void SkipAppInitFiles(bool b);
 
  void SetInputFileHandle(FILE *f, bool transfer_ownership);
 
  void SetOutputFileHandle(FILE *f, bool transfer_ownership);
 
  void SetErrorFileHandle(FILE *f, bool transfer_ownership);
 
  FILE *GetInputFileHandle();
 
  FILE *GetOutputFileHandle();
 
  FILE *GetErrorFileHandle();
 
  SBError SetInputString(const char *data);
 
  SBError SetInputFile(SBFile file);
 
  SBError SetOutputFile(SBFile file);
 
  SBError SetErrorFile(SBFile file);
 
  SBError SetInputFile(FileSP file);
 
  SBError SetOutputFile(FileSP file);
 
  SBError SetErrorFile(FileSP file);
 
  SBFile GetInputFile();
 
  SBFile GetOutputFile();
 
  SBFile GetErrorFile();
 
  void SaveInputTerminalState();
 
  void RestoreInputTerminalState();
 
  lldb::SBCommandInterpreter GetCommandInterpreter();
 
  void HandleCommand(const char *command);
 
  lldb::SBListener GetListener();
 
  void HandleProcessEvent(const lldb::SBProcess &process,
                          const lldb::SBEvent &event, FILE *out,
                          FILE *err); // DEPRECATED
 
  void HandleProcessEvent(const lldb::SBProcess &process,
                          const lldb::SBEvent &event, SBFile out, SBFile err);
 
  void HandleProcessEvent(const lldb::SBProcess &process,
                          const lldb::SBEvent &event, FileSP out, FileSP err);
 
  lldb::SBTarget CreateTarget(const char *filename, const char *target_triple,
                              const char *platform_name,
                              bool add_dependent_modules, lldb::SBError &error);
 
  lldb::SBTarget CreateTargetWithFileAndTargetTriple(const char *filename,
                                                     const char *target_triple);
 
  lldb::SBTarget CreateTargetWithFileAndArch(const char *filename,
                                             const char *archname);
 
  lldb::SBTarget CreateTarget(const char *filename);
 
  lldb::SBTarget GetDummyTarget();
 
  // Return true if target is deleted from the target list of the debugger.
  bool DeleteTarget(lldb::SBTarget &target);
 
  lldb::SBTarget GetTargetAtIndex(uint32_t idx);
 
  uint32_t GetIndexOfTarget(lldb::SBTarget target);
 
  lldb::SBTarget FindTargetWithProcessID(pid_t pid);
 
  lldb::SBTarget FindTargetWithFileAndArch(const char *filename,
                                           const char *arch);
 
  uint32_t GetNumTargets();
 
  lldb::SBTarget GetSelectedTarget();
 
  void SetSelectedTarget(SBTarget &target);
 
  lldb::SBPlatform GetSelectedPlatform();
 
  void SetSelectedPlatform(lldb::SBPlatform &platform);
 
  /// Get the number of currently active platforms.
  uint32_t GetNumPlatforms();
 
  /// Get one of the currently active platforms.
  lldb::SBPlatform GetPlatformAtIndex(uint32_t idx);
 
  /// Get the number of available platforms.
  ///
  /// The return value should match the number of entries output by the
  /// "platform list" command.
  uint32_t GetNumAvailablePlatforms();
 
  /// Get the name and description of one of the available platforms.
  ///
  /// \param[in] idx
  ///     Zero-based index of the platform for which info should be retrieved,
  ///     must be less than the value returned by GetNumAvailablePlatforms().
  lldb::SBStructuredData GetAvailablePlatformInfoAtIndex(uint32_t idx);
 
  lldb::SBSourceManager GetSourceManager();
 
  // REMOVE: just for a quick fix, need to expose platforms through
  // SBPlatform from this class.
  lldb::SBError SetCurrentPlatform(const char *platform_name);
 
  bool SetCurrentPlatformSDKRoot(const char *sysroot);
 
  // FIXME: Once we get the set show stuff in place, the driver won't need
  // an interface to the Set/Get UseExternalEditor.
  bool SetUseExternalEditor(bool input);
 
  bool GetUseExternalEditor();
 
  bool SetUseColor(bool use_color);
 
  bool GetUseColor() const;
 
  bool SetUseSourceCache(bool use_source_cache);
 
  bool GetUseSourceCache() const;
 
  static bool GetDefaultArchitecture(char *arch_name, size_t arch_name_len);
 
  static bool SetDefaultArchitecture(const char *arch_name);
 
  lldb::ScriptLanguage GetScriptingLanguage(const char *script_language_name);
 
  SBStructuredData GetScriptInterpreterInfo(ScriptLanguage);
 
  static const char *GetVersionString();
 
  static const char *StateAsCString(lldb::StateType state);
 
  static SBStructuredData GetBuildConfiguration();
 
  static bool StateIsRunningState(lldb::StateType state);
 
  static bool StateIsStoppedState(lldb::StateType state);
 
  bool EnableLog(const char *channel, const char **categories);
 
  void SetLoggingCallback(lldb::LogOutputCallback log_callback, void *baton);
 
  // DEPRECATED
  void DispatchInput(void *baton, const void *data, size_t data_len);
 
  void DispatchInput(const void *data, size_t data_len);
 
  void DispatchInputInterrupt();
 
  void DispatchInputEndOfFile();
 
  void PushInputReader(lldb::SBInputReader &reader);
 
  const char *GetInstanceName();
 
  static SBDebugger FindDebuggerWithID(int id);
 
  static lldb::SBError SetInternalVariable(const char *var_name,
                                           const char *value,
                                           const char *debugger_instance_name);
 
  static lldb::SBStringList
  GetInternalVariableValue(const char *var_name,
                           const char *debugger_instance_name);
 
  bool GetDescription(lldb::SBStream &description);
 
  uint32_t GetTerminalWidth() const;
 
  void SetTerminalWidth(uint32_t term_width);
 
  lldb::user_id_t GetID();
 
  const char *GetPrompt() const;
 
  void SetPrompt(const char *prompt);
 
  const char *GetReproducerPath() const;
 
  lldb::ScriptLanguage GetScriptLanguage() const;
 
  void SetScriptLanguage(lldb::ScriptLanguage script_lang);
 
  lldb::LanguageType GetREPLLanguage() const;
 
  void SetREPLLanguage(lldb::LanguageType repl_lang);
 
  bool GetCloseInputOnEOF() const;
 
  void SetCloseInputOnEOF(bool b);
 
  SBTypeCategory GetCategory(const char *category_name);
 
  SBTypeCategory GetCategory(lldb::LanguageType lang_type);
 
  SBTypeCategory CreateCategory(const char *category_name);
 
  bool DeleteCategory(const char *category_name);
 
  uint32_t GetNumCategories();
 
  SBTypeCategory GetCategoryAtIndex(uint32_t);
 
  SBTypeCategory GetDefaultCategory();
 
  SBTypeFormat GetFormatForType(SBTypeNameSpecifier);
 
  SBTypeSummary GetSummaryForType(SBTypeNameSpecifier);
 
  SBTypeFilter GetFilterForType(SBTypeNameSpecifier);
 
  SBTypeSynthetic GetSyntheticForType(SBTypeNameSpecifier);
 
  /// Run the command interpreter.
  ///
  /// \param[in] auto_handle_events
  ///     If true, automatically handle resulting events. This takes precedence
  ///     and overrides the corresponding option in
  ///     SBCommandInterpreterRunOptions.
  ///
  /// \param[in] spawn_thread
  ///     If true, start a new thread for IO handling. This takes precedence
  ///     and overrides the corresponding option in
  ///     SBCommandInterpreterRunOptions.
  void RunCommandInterpreter(bool auto_handle_events, bool spawn_thread);
 
  /// Run the command interpreter.
  ///
  /// \param[in] auto_handle_events
  ///     If true, automatically handle resulting events. This takes precedence
  ///     and overrides the corresponding option in
  ///     SBCommandInterpreterRunOptions.
  ///
  /// \param[in] spawn_thread
  ///     If true, start a new thread for IO handling. This takes precedence
  ///     and overrides the corresponding option in
  ///     SBCommandInterpreterRunOptions.
  ///
  /// \param[in] options
  ///     Parameter collection of type SBCommandInterpreterRunOptions.
  ///
  /// \param[out] num_errors
  ///     The number of errors.
  ///
  /// \param[out] quit_requested
  ///     Whether a quit was requested.
  ///
  /// \param[out] stopped_for_crash
  ///     Whether the interpreter stopped for a crash.
  void RunCommandInterpreter(bool auto_handle_events, bool spawn_thread,
                             SBCommandInterpreterRunOptions &options,
                             int &num_errors, bool &quit_requested,
                             bool &stopped_for_crash);
 
  SBCommandInterpreterRunResult
  RunCommandInterpreter(const SBCommandInterpreterRunOptions &options);
 
  SBError RunREPL(lldb::LanguageType language, const char *repl_options);
 
  /// Load a trace from a trace description file and create Targets,
  /// Processes and Threads based on the contents of such file.
  ///
  /// \param[out] error
  ///   An error if the trace could not be created.
  ///
  /// \param[in] trace_description_file
  ///   The file containing the necessary information to load the trace.
  SBTrace LoadTraceFromFile(SBError &error,
                            const SBFileSpec &trace_description_file);
 
private:
  friend class SBCommandInterpreter;
  friend class SBInputReader;
  friend class SBListener;
  friend class SBProcess;
  friend class SBSourceManager;
  friend class SBTarget;
  friend class SBTrace;
 
  lldb::SBTarget FindTargetWithLLDBProcess(const lldb::ProcessSP &processSP);
 
  void reset(const lldb::DebuggerSP &debugger_sp);
 
  lldb_private::Debugger *get() const;
 
  lldb_private::Debugger &ref() const;
 
  const lldb::DebuggerSP &get_sp() const;
 
  lldb::DebuggerSP m_opaque_sp;
 
}; // class SBDebugger
 
} // namespace lldb
 
#endif // LLDB_API_SBDEBUGGER_H