2 files changed, 159 insertions, 0 deletions

diff --git a/source/Plugins/ScriptInterpreter/None/ScriptInterpreterNone.cpp b/source/Plugins/ScriptInterpreter/None/ScriptInterpreterNone.cpp
new file mode 100644
index 0000000000000..1a352fa1987fd
--- /dev/null
+++ b/source/Plugins/ScriptInterpreter/None/ScriptInterpreterNone.cpp
@@ -0,0 +1,93 @@
+//===-- ScriptInterpreterNone.cpp -------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "ScriptInterpreterNone.h"
+#include "lldb/Core/Debugger.h"
+#include "lldb/Core/PluginManager.h"
+#include "lldb/Core/Stream.h"
+#include "lldb/Core/StreamFile.h"
+#include "lldb/Core/StringList.h"
+#include "lldb/Interpreter/CommandInterpreter.h"
+
+#include <mutex>
+
+using namespace lldb;
+using namespace lldb_private;
+
+ScriptInterpreterNone::ScriptInterpreterNone(CommandInterpreter &interpreter)
+    : ScriptInterpreter(interpreter, eScriptLanguageNone)
+{
+}
+
+ScriptInterpreterNone::~ScriptInterpreterNone()
+{
+}
+
+bool
+ScriptInterpreterNone::ExecuteOneLine(const char *command, CommandReturnObject *, const ExecuteScriptOptions &)
+{
+    m_interpreter.GetDebugger().GetErrorFile()->PutCString(
+        "error: there is no embedded script interpreter in this mode.\n");
+    return false;
+}
+
+void
+ScriptInterpreterNone::ExecuteInterpreterLoop()
+{
+    m_interpreter.GetDebugger().GetErrorFile()->PutCString(
+        "error: there is no embedded script interpreter in this mode.\n");
+}
+
+void
+ScriptInterpreterNone::Initialize()
+{
+    static std::once_flag g_once_flag;
+
+    std::call_once(g_once_flag, []()
+                   {
+                       PluginManager::RegisterPlugin(GetPluginNameStatic(), GetPluginDescriptionStatic(),
+                                                     lldb::eScriptLanguageNone, CreateInstance);
+                   });
+}
+
+void
+ScriptInterpreterNone::Terminate()
+{
+}
+
+lldb::ScriptInterpreterSP
+ScriptInterpreterNone::CreateInstance(CommandInterpreter &interpreter)
+{
+    return std::make_shared<ScriptInterpreterNone>(interpreter);
+}
+
+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/source/Plugins/ScriptInterpreter/None/ScriptInterpreterNone.h b/source/Plugins/ScriptInterpreter/None/ScriptInterpreterNone.h
new file mode 100644
index 0000000000000..49fd4fabfbc5d
--- /dev/null
+++ b/source/Plugins/ScriptInterpreter/None/ScriptInterpreterNone.h
@@ -0,0 +1,66 @@
+//===-- ScriptInterpreterNone.h ---------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef liblldb_ScriptInterpreterNone_h_
+#define liblldb_ScriptInterpreterNone_h_
+
+// C Includes
+// C++ Includes
+// Other libraries and framework includes
+// Project includes
+#include "lldb/Interpreter/ScriptInterpreter.h"
+
+namespace lldb_private
+{
+
+class ScriptInterpreterNone : public ScriptInterpreter
+{
+  public:
+    ScriptInterpreterNone(CommandInterpreter &interpreter);
+
+    ~ScriptInterpreterNone() override;
+
+    bool
+    ExecuteOneLine(const char *command, CommandReturnObject *result,
+                   const ExecuteScriptOptions &options = ExecuteScriptOptions()) override;
+
+    void
+    ExecuteInterpreterLoop() override;
+
+    //------------------------------------------------------------------
+    // Static Functions
+    //------------------------------------------------------------------
+    static void
+    Initialize();
+
+    static void
+    Terminate();
+
+    static lldb::ScriptInterpreterSP
+    CreateInstance(CommandInterpreter &interpreter);
+
+    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_