2 files changed, 108 insertions, 0 deletions
diff --git a/contrib/llvm-project/lldb/source/Plugins/ScriptInterpreter/None/ScriptInterpreterNone.cpp b/contrib/llvm-project/lldb/source/Plugins/ScriptInterpreter/None/ScriptInterpreterNone.cpp
new file mode 100644
index 000000000000..7aeee6e40395
--- /dev/null
+++ b/contrib/llvm-project/lldb/source/Plugins/ScriptInterpreter/None/ScriptInterpreterNone.cpp
@@ -0,0 +1,63 @@
+//===-- ScriptInterpreterNone.cpp -----------------------------------------===//
+//
+// 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/Utility/Stream.h"
+#include "lldb/Utility/StringList.h"
+
+#include "llvm/Support/Threading.h"
+
+#include <mutex>
+
+using namespace lldb;
+using namespace lldb_private;
+
+LLDB_PLUGIN_DEFINE(ScriptInterpreterNone)
+
+ScriptInterpreterNone::ScriptInterpreterNone(Debugger &debugger)
+    : ScriptInterpreter(debugger, eScriptLanguageNone) {}
+
+ScriptInterpreterNone::~ScriptInterpreterNone() = default;
+
+static const char *no_interpreter_err_msg =
+    "error: Embedded script interpreter unavailable. LLDB was built without "
+    "scripting language support.\n";
+
+bool ScriptInterpreterNone::ExecuteOneLine(llvm::StringRef command,
+                                           CommandReturnObject *,
+                                           const ExecuteScriptOptions &) {
+  m_debugger.GetErrorStream().PutCString(no_interpreter_err_msg);
+  return false;
+}
+
+void ScriptInterpreterNone::ExecuteInterpreterLoop() {
+  m_debugger.GetErrorStream().PutCString(no_interpreter_err_msg);
+}
+
+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);
+}
+
+llvm::StringRef ScriptInterpreterNone::GetPluginDescriptionStatic() {
+  return "Null script interpreter";
+}
diff --git a/contrib/llvm-project/lldb/source/Plugins/ScriptInterpreter/None/ScriptInterpreterNone.h b/contrib/llvm-project/lldb/source/Plugins/ScriptInterpreter/None/ScriptInterpreterNone.h
new file mode 100644
index 000000000000..6d3ff251e362
--- /dev/null
+++ b/contrib/llvm-project/lldb/source/Plugins/ScriptInterpreter/None/ScriptInterpreterNone.h
@@ -0,0 +1,45 @@
+//===-- 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 LLDB_SOURCE_PLUGINS_SCRIPTINTERPRETER_NONE_SCRIPTINTERPRETERNONE_H
+#define LLDB_SOURCE_PLUGINS_SCRIPTINTERPRETER_NONE_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 llvm::StringRef GetPluginNameStatic() { return "script-none"; }
+
+  static llvm::StringRef GetPluginDescriptionStatic();
+
+  // PluginInterface protocol
+  llvm::StringRef GetPluginName() override { return GetPluginNameStatic(); }
+};
+
+} // namespace lldb_private
+
+#endif // LLDB_SOURCE_PLUGINS_SCRIPTINTERPRETER_NONE_SCRIPTINTERPRETERNONE_H