1 //===-- ScriptInterpreterNone.cpp -----------------------------------------===//
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 LLDB_PLUGIN_DEFINE(ScriptInterpreterNone)
24 
25 ScriptInterpreterNone::ScriptInterpreterNone(Debugger &debugger)
26     : ScriptInterpreter(debugger, eScriptLanguageNone) {}
27 
28 ScriptInterpreterNone::~ScriptInterpreterNone() = default;
29 
30 bool ScriptInterpreterNone::ExecuteOneLine(llvm::StringRef command,
31                                            CommandReturnObject *,
32                                            const ExecuteScriptOptions &) {
33   m_debugger.GetErrorStream().PutCString(
34       "error: there is no embedded script interpreter in this mode.\n");
35   return false;
36 }
37 
38 void ScriptInterpreterNone::ExecuteInterpreterLoop() {
39   m_debugger.GetErrorStream().PutCString(
40       "error: there is no embedded script interpreter in this mode.\n");
41 }
42 
43 void ScriptInterpreterNone::Initialize() {
44   static llvm::once_flag g_once_flag;
45 
46   llvm::call_once(g_once_flag, []() {
47     PluginManager::RegisterPlugin(GetPluginNameStatic(),
48                                   GetPluginDescriptionStatic(),
49                                   lldb::eScriptLanguageNone, CreateInstance);
50   });
51 }
52 
53 void ScriptInterpreterNone::Terminate() {}
54 
55 lldb::ScriptInterpreterSP
56 ScriptInterpreterNone::CreateInstance(Debugger &debugger) {
57   return std::make_shared<ScriptInterpreterNone>(debugger);
58 }
59 
60 lldb_private::ConstString ScriptInterpreterNone::GetPluginNameStatic() {
61   static ConstString g_name("script-none");
62   return g_name;
63 }
64 
65 const char *ScriptInterpreterNone::GetPluginDescriptionStatic() {
66   return "Null script interpreter";
67 }
68 
69 lldb_private::ConstString ScriptInterpreterNone::GetPluginName() {
70   return GetPluginNameStatic();
71 }
72 
73 uint32_t ScriptInterpreterNone::GetPluginVersion() { return 1; }
74