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//===-- OCamlLanguage.cpp ----------------------------------------*- C++
//-*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// C Includes
#include <string.h>
// C++ Includes
#include <functional>
#include <mutex>

// Other libraries and framework includes
#include "llvm/ADT/StringRef.h"

// Project includes
#include "OCamlLanguage.h"
#include "lldb/Core/ConstString.h"
#include "lldb/Core/PluginManager.h"
#include "lldb/DataFormatters/DataVisualization.h"
#include "lldb/DataFormatters/FormattersHelpers.h"
#include "lldb/Symbol/OCamlASTContext.h"

using namespace lldb;
using namespace lldb_private;

void OCamlLanguage::Initialize() {
  PluginManager::RegisterPlugin(GetPluginNameStatic(), "OCaml Language",
                                CreateInstance);
}

void OCamlLanguage::Terminate() {
  PluginManager::UnregisterPlugin(CreateInstance);
}

lldb_private::ConstString OCamlLanguage::GetPluginNameStatic() {
  static ConstString g_name("OCaml");
  return g_name;
}

lldb_private::ConstString OCamlLanguage::GetPluginName() {
  return GetPluginNameStatic();
}

uint32_t OCamlLanguage::GetPluginVersion() { return 1; }

Language *OCamlLanguage::CreateInstance(lldb::LanguageType language) {
  if (language == eLanguageTypeOCaml)
    return new OCamlLanguage();
  return nullptr;
}

bool OCamlLanguage::IsNilReference(ValueObject &valobj) {
  if (!valobj.GetCompilerType().IsReferenceType())
    return false;

  // If we failed to read the value then it is not a nil reference.
  return valobj.GetValueAsUnsigned(UINT64_MAX) == 0;
}