/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying

   file LICENSE.rst or https://cmake.org/licensing for details.  */

#pragma once

#include <memory>

#include <string>

#include "cmListFileCache.h"

class cmLinkItem;

class cmake;

class cmGeneratorTarget;

struct cmGeneratorExpressionDAGChecker;

namespace cm {

namespace GenEx {

struct Context;

}

class TargetPropertyEntry

{

protected:

  static cmLinkItem NoLinkItem;

public:

  TargetPropertyEntry(cmLinkItem const& item);

  virtual ~TargetPropertyEntry() = default;

  static std::unique_ptr<TargetPropertyEntry> Create(

    cmake& cmakeInstance, const BT<std::string>& propertyValue,

    bool evaluateForBuildsystem = false);

  virtual std::string const& Evaluate(

    cm::GenEx::Context const& context, cmGeneratorTarget const* headTarget,

    cmGeneratorExpressionDAGChecker* dagChecker) const = 0;

  virtual cmListFileBacktrace GetBacktrace() const = 0;

  virtual std::string const& GetInput() const = 0;

  virtual bool GetHadContextSensitiveCondition() const;

  cmLinkItem const& LinkItem;

};

}