xref: /freebsd-12.1/contrib/llvm/tools/lldb/source/Plugins/ScriptInterpreter/None/ScriptInterpreterNone.cpp (revision 4ba319b5)

//===-- 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/StreamFile.h"
#include "lldb/Interpreter/CommandInterpreter.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(CommandInterpreter &interpreter)
    : ScriptInterpreter(interpreter, eScriptLanguageNone) {}

ScriptInterpreterNone::~ScriptInterpreterNone() {}

bool ScriptInterpreterNone::ExecuteOneLine(llvm::StringRef 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 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(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; }