2 files changed, 118 insertions, 0 deletions
diff --git a/lldb/source/Plugins/ScriptInterpreter/None/ScriptInterpreterNone.cpp b/lldb/source/Plugins/ScriptInterpreter/None/ScriptInterpreterNone.cpp
new file mode 100644
index 0000000000000..3517f831970dd
--- /dev/null
+++ b/lldb/source/Plugins/ScriptInterpreter/None/ScriptInterpreterNone.cpp
@@ -0,0 +1,71 @@
+//===-- ScriptInterpreterNone.cpp -------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "ScriptInterpreterNone.h"
+#include "lldb/Core/Debugger.h"
+#include "lldb/Core/PluginManager.h"
+#include "lldb/Core/StreamFile.h"
+#include "lldb/Utility/Stream.h"
+#include "lldb/Utility/StringList.h"
+
+#include "llvm/Support/Threading.h"
+
+#include <mutex>
+
+using namespace lldb;
+using namespace lldb_private;
+
+ScriptInterpreterNone::ScriptInterpreterNone(Debugger &debugger)
+    : ScriptInterpreter(debugger, eScriptLanguageNone) {}
+
+ScriptInterpreterNone::~ScriptInterpreterNone() {}
+
+bool ScriptInterpreterNone::ExecuteOneLine(llvm::StringRef command,
+                                           CommandReturnObject *,
+                                           const ExecuteScriptOptions &) {
+  m_debugger.GetErrorStream().PutCString(
+      "error: there is no embedded script interpreter in this mode.\n");
+  return false;
+}
+
+void ScriptInterpreterNone::ExecuteInterpreterLoop() {
+  m_debugger.GetErrorStream().PutCString(
+      "error: there is no embedded script interpreter in this mode.\n");
+}
+
+void ScriptInterpreterNone::Initialize() {
+  static llvm::once_flag g_once_flag;
+
+  llvm::call_once(g_once_flag, []() {
+    PluginManager::RegisterPlugin(GetPluginNameStatic(),
+                                  GetPluginDescriptionStatic(),
+                                  lldb::eScriptLanguageNone, CreateInstance);
+  });
+}
+
+void ScriptInterpreterNone::Terminate() {}
+
+lldb::ScriptInterpreterSP
+ScriptInterpreterNone::CreateInstance(Debugger &debugger) {
+  return std::make_shared<ScriptInterpreterNone>(debugger);
+}
+
+lldb_private::ConstString ScriptInterpreterNone::GetPluginNameStatic() {
+  static ConstString g_name("script-none");
+  return g_name;
+}
+
+const char *ScriptInterpreterNone::GetPluginDescriptionStatic() {
+  return "Null script interpreter";
+}
+
+lldb_private::ConstString ScriptInterpreterNone::GetPluginName() {
+  return GetPluginNameStatic();
+}
+
+uint32_t ScriptInterpreterNone::GetPluginVersion() { return 1; }
diff --git a/lldb/source/Plugins/ScriptInterpreter/None/ScriptInterpreterNone.h b/lldb/source/Plugins/ScriptInterpreter/None/ScriptInterpreterNone.h
new file mode 100644
index 0000000000000..242065cc23e86
--- /dev/null
+++ b/lldb/source/Plugins/ScriptInterpreter/None/ScriptInterpreterNone.h
@@ -0,0 +1,47 @@
+//===-- ScriptInterpreterNone.h ---------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef liblldb_ScriptInterpreterNone_h_
+#define liblldb_ScriptInterpreterNone_h_
+
+#include "lldb/Interpreter/ScriptInterpreter.h"
+
+namespace lldb_private {
+
+class ScriptInterpreterNone : public ScriptInterpreter {
+public:
+  ScriptInterpreterNone(Debugger &debugger);
+
+  ~ScriptInterpreterNone() override;
+
+  bool ExecuteOneLine(
+      llvm::StringRef command, CommandReturnObject *result,
+      const ExecuteScriptOptions &options = ExecuteScriptOptions()) override;
+
+  void ExecuteInterpreterLoop() override;
+
+  // Static Functions
+  static void Initialize();
+
+  static void Terminate();
+
+  static lldb::ScriptInterpreterSP CreateInstance(Debugger &debugger);
+
+  static lldb_private::ConstString GetPluginNameStatic();
+
+  static const char *GetPluginDescriptionStatic();
+
+  // PluginInterface protocol
+  lldb_private::ConstString GetPluginName() override;
+
+  uint32_t GetPluginVersion() override;
+};
+
+} // namespace lldb_private
+
+#endif // liblldb_ScriptInterpreterNone_h_