| 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 | |
| 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 | |
| 33 | bool ScriptInterpreterNone::ExecuteOneLine(llvm::StringRef command, |
| 34 | CommandReturnObject *, |
| 35 | const ExecuteScriptOptions &) { |
| 36 | m_debugger.GetAsyncErrorStream()->PutCString(cstr: no_interpreter_err_msg); |
| 37 | return false; |
| 38 | } |
| 39 | |
| 40 | void ScriptInterpreterNone::ExecuteInterpreterLoop() { |
| 41 | m_debugger.GetAsyncErrorStream()->PutCString(cstr: no_interpreter_err_msg); |
| 42 | } |
| 43 | |
| 44 | void ScriptInterpreterNone::Initialize() { |
| 45 | static llvm::once_flag g_once_flag; |
| 46 | |
| 47 | llvm::call_once(flag&: g_once_flag, F: []() { |
| 48 | PluginManager::RegisterPlugin(name: GetPluginNameStatic(), |
| 49 | description: GetPluginDescriptionStatic(), |
| 50 | script_lang: lldb::eScriptLanguageNone, create_callback: CreateInstance); |
| 51 | }); |
| 52 | } |
| 53 | |
| 54 | void ScriptInterpreterNone::Terminate() {} |
| 55 | |
| 56 | lldb::ScriptInterpreterSP |
| 57 | ScriptInterpreterNone::CreateInstance(Debugger &debugger) { |
| 58 | return std::make_shared<ScriptInterpreterNone>(args&: debugger); |
| 59 | } |
| 60 | |
| 61 | llvm::StringRef ScriptInterpreterNone::GetPluginDescriptionStatic() { |
| 62 | return "Null script interpreter"; |
| 63 | } |
| 64 |