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
52