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/Utility/Stream.h"
13 #include "lldb/Utility/StringList.h"
14
15 #include "llvm/Support/Threading.h"
16
17 #include <mutex>
18
19 using namespace lldb;
20 using namespace lldb_private;
21
LLDB_PLUGIN_DEFINE(ScriptInterpreterNone)22 LLDB_PLUGIN_DEFINE(ScriptInterpreterNone)
23
24 ScriptInterpreterNone::ScriptInterpreterNone(Debugger &debugger)
25 : ScriptInterpreter(debugger, eScriptLanguageNone) {}
26
27 ScriptInterpreterNone::~ScriptInterpreterNone() = default;
28
29 static const char *no_interpreter_err_msg =
30 "error: Embedded script interpreter unavailable. LLDB was built without "
31 "scripting language support.\n";
32
ExecuteOneLine(llvm::StringRef command,CommandReturnObject *,const ExecuteScriptOptions &)33 bool ScriptInterpreterNone::ExecuteOneLine(llvm::StringRef command,
34 CommandReturnObject *,
35 const ExecuteScriptOptions &) {
36 m_debugger.GetErrorStream().PutCString(no_interpreter_err_msg);
37 return false;
38 }
39
ExecuteInterpreterLoop()40 void ScriptInterpreterNone::ExecuteInterpreterLoop() {
41 m_debugger.GetErrorStream().PutCString(no_interpreter_err_msg);
42 }
43
Initialize()44 void ScriptInterpreterNone::Initialize() {
45 static llvm::once_flag g_once_flag;
46
47 llvm::call_once(g_once_flag, []() {
48 PluginManager::RegisterPlugin(GetPluginNameStatic(),
49 GetPluginDescriptionStatic(),
50 lldb::eScriptLanguageNone, CreateInstance);
51 });
52 }
53
Terminate()54 void ScriptInterpreterNone::Terminate() {}
55
56 lldb::ScriptInterpreterSP
CreateInstance(Debugger & debugger)57 ScriptInterpreterNone::CreateInstance(Debugger &debugger) {
58 return std::make_shared<ScriptInterpreterNone>(debugger);
59 }
60
GetPluginDescriptionStatic()61 llvm::StringRef ScriptInterpreterNone::GetPluginDescriptionStatic() {
62 return "Null script interpreter";
63 }
64