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

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

#include "cmCxxModuleUsageEffects.h"

#include <cm/optional>

#include "cmCryptoHash.h"

#include "cmGeneratorTarget.h"

#include "cmTarget.h"

cmCxxModuleUsageEffects::cmCxxModuleUsageEffects(cmGeneratorTarget const* gt)

{

  cmCryptoHash hasher(cmCryptoHash::AlgoSHA3_512);

  this->Hash = hasher.HashString(gt->GetName());

  // Collect compile features from the consuming target.

  for (auto const& feature : gt->Target->GetCompileFeaturesEntries()) {

    this->CompileFeatures.emplace_back(feature);

  }

}

void cmCxxModuleUsageEffects::ApplyToTarget(cmTarget* tgt)

{

  for (auto const& feature : this->CompileFeatures) {

    tgt->AppendProperty("COMPILE_FEATURES", feature.Value, feature.Backtrace);

  }

}

std::string const& cmCxxModuleUsageEffects::GetHash() const

{

  return this->Hash;

}