1 //===-- ScriptedThread.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_PLUGINS_SCRIPTED_THREAD_H
10 #define LLDB_SOURCE_PLUGINS_SCRIPTED_THREAD_H
11 
12 #include <string>
13 
14 #include "ScriptedProcess.h"
15 
16 #include "Plugins/Process/Utility/RegisterContextMemory.h"
17 #include "lldb/Interpreter/ScriptInterpreter.h"
18 #include "lldb/Target/DynamicRegisterInfo.h"
19 #include "lldb/Target/Thread.h"
20 
21 namespace lldb_private {
22 class ScriptedProcess;
23 }
24 
25 namespace lldb_private {
26 
27 class ScriptedThread : public lldb_private::Thread {
28 
29 public:
30   ScriptedThread(ScriptedProcess &process,
31                  lldb::ScriptedThreadInterfaceSP interface_sp, lldb::tid_t tid,
32                  StructuredData::GenericSP script_object_sp = nullptr);
33 
34   ~ScriptedThread() override;
35 
36   static llvm::Expected<std::shared_ptr<ScriptedThread>>
37   Create(ScriptedProcess &process,
38          StructuredData::Generic *script_object = nullptr);
39 
40   lldb::RegisterContextSP GetRegisterContext() override;
41 
42   lldb::RegisterContextSP
43   CreateRegisterContextForFrame(lldb_private::StackFrame *frame) override;
44 
45   bool LoadArtificialStackFrames();
46 
47   bool CalculateStopInfo() override;
48 
49   const char *GetInfo() override { return nullptr; }
50 
51   const char *GetName() override;
52 
53   const char *GetQueueName() override;
54 
55   void WillResume(lldb::StateType resume_state) override;
56 
57   void RefreshStateAfterStop() override;
58 
59   void ClearStackFrames() override;
60 
61   StructuredData::ObjectSP FetchThreadExtendedInfo() override;
62 
63 private:
64   void CheckInterpreterAndScriptObject() const;
65   lldb::ScriptedThreadInterfaceSP GetInterface() const;
66 
67   ScriptedThread(const ScriptedThread &) = delete;
68   const ScriptedThread &operator=(const ScriptedThread &) = delete;
69 
70   std::shared_ptr<DynamicRegisterInfo> GetDynamicRegisterInfo();
71 
72   const ScriptedProcess &m_scripted_process;
73   lldb::ScriptedThreadInterfaceSP m_scripted_thread_interface_sp = nullptr;
74   lldb_private::StructuredData::GenericSP m_script_object_sp = nullptr;
75   std::shared_ptr<DynamicRegisterInfo> m_register_info_sp = nullptr;
76 };
77 
78 } // namespace lldb_private
79 
80 #endif // LLDB_SOURCE_PLUGINS_SCRIPTED_THREAD_H
81