1 //===-- ScriptInterpreterNone.cpp -------------------------------*- 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 #include "ScriptInterpreterNone.h"
10 #include "lldb/Core/Debugger.h"
11 #include "lldb/Core/PluginManager.h"
12 #include "lldb/Core/StreamFile.h"
13 #include "lldb/Utility/Stream.h"
14 #include "lldb/Utility/StringList.h"
15 
16 #include "llvm/Support/Threading.h"
17 
18 #include <mutex>
19 
20 using namespace lldb;
21 using namespace lldb_private;
22 
23 ScriptInterpreterNone::ScriptInterpreterNone(Debugger &debugger)
24     : ScriptInterpreter(debugger, eScriptLanguageNone) {}
25 
26 ScriptInterpreterNone::~ScriptInterpreterNone() {}
27 
28 bool ScriptInterpreterNone::ExecuteOneLine(llvm::StringRef command,
29                                            CommandReturnObject *,
30                                            const ExecuteScriptOptions &) {
31   m_debugger.GetErrorStream().PutCString(
32       "error: there is no embedded script interpreter in this mode.\n");
33   return false;
34 }
35 
36 void ScriptInterpreterNone::ExecuteInterpreterLoop() {
37   m_debugger.GetErrorStream().PutCString(
38       "error: there is no embedded script interpreter in this mode.\n");
39 }
40 
41 void ScriptInterpreterNone::Initialize() {
42   static llvm::once_flag g_once_flag;
43 
44   llvm::call_once(g_once_flag, []() {
45     PluginManager::RegisterPlugin(GetPluginNameStatic(),
46                                   GetPluginDescriptionStatic(),
47                                   lldb::eScriptLanguageNone, CreateInstance);
48   });
49 }
50 
51 void ScriptInterpreterNone::Terminate() {}
52 
53 lldb::ScriptInterpreterSP
54 ScriptInterpreterNone::CreateInstance(Debugger &debugger) {
55   return std::make_shared<ScriptInterpreterNone>(debugger);
56 }
57 
58 lldb_private::ConstString ScriptInterpreterNone::GetPluginNameStatic() {
59   static ConstString g_name("script-none");
60   return g_name;
61 }
62 
63 const char *ScriptInterpreterNone::GetPluginDescriptionStatic() {
64   return "Null script interpreter";
65 }
66 
67 lldb_private::ConstString ScriptInterpreterNone::GetPluginName() {
68   return GetPluginNameStatic();
69 }
70 
71 uint32_t ScriptInterpreterNone::GetPluginVersion() { return 1; }
72