lldb/source/Commands/CommandObjectTrace.h

   1 //===-- CommandObjectTrace.h ------------------------------------*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #ifndef LLDB_SOURCE_COMMANDS_COMMANDOBJECTTRACE_H
  10 #define LLDB_SOURCE_COMMANDS_COMMANDOBJECTTRACE_H
  11
  12 #include "CommandObjectThreadUtil.h"
  13
  14 namespace lldb_private {
  15
  16 class CommandObjectTrace : public CommandObjectMultiword {
  17 public:
  18   CommandObjectTrace(CommandInterpreter &interpreter);
  19
  20   ~CommandObjectTrace() override;
  21 };
  22
  23 /// This class works by delegating the logic to the actual trace plug-in that
  24 /// can support the current process.
  25 class CommandObjectTraceProxy : public CommandObjectProxy {
  26 public:
  27   CommandObjectTraceProxy(bool live_debug_session_only,
  28                           CommandInterpreter &interpreter, const char *name,
  29                           const char *help = nullptr,
  30                           const char *syntax = nullptr, uint32_t flags = 0)
  31       : CommandObjectProxy(interpreter, name, help, syntax, flags),
  32         m_live_debug_session_only(live_debug_session_only) {}
  33
  34 protected:
  35   virtual lldb::CommandObjectSP GetDelegateCommand(Trace &trace) = 0;
  36
  37   llvm::Expected<lldb::CommandObjectSP> DoGetProxyCommandObject();
  38
  39   CommandObject *GetProxyCommandObject() override;
  40
  41 private:
  42   llvm::StringRef GetUnsupportedError() override { return m_delegate_error; }
  43
  44   bool m_live_debug_session_only;
  45   lldb::CommandObjectSP m_delegate_sp;
  46   std::string m_delegate_error;
  47 };
  48
  49 } // namespace lldb_private
  50
  51 #endif // LLDB_SOURCE_COMMANDS_COMMANDOBJECTTRACE_H