Method Evaluate

Source/cmGeneratorExpressionNode.cxx:4273–4343

  TargetObjectsNode() {} // NOLINT(modernize-use-equals-default)

  std::string Evaluate(
    std::vector<std::string> const& parameters, cm::GenEx::Evaluation* eval,
    GeneratorExpressionContent const* content,
    cmGeneratorExpressionDAGChecker* /*dagChecker*/) const override
  {
    std::string const& tgtName = parameters.front();
    cmGeneratorTarget* gt =
      eval->Context.LG->FindGeneratorTargetToUse(tgtName);
    if (!gt) {
      std::ostringstream e;
      e << "Objects of target \"" << tgtName
        << "\" referenced but no such target exists.";
      reportError(eval, content->GetOriginalExpression(), e.str());
      return std::string();
    }
    cmStateEnums::TargetType type = gt->GetType();
    if (type != cmStateEnums::EXECUTABLE &&
        type != cmStateEnums::STATIC_LIBRARY &&
        type != cmStateEnums::SHARED_LIBRARY &&
        type != cmStateEnums::MODULE_LIBRARY &&
        type != cmStateEnums::OBJECT_LIBRARY) {
      std::ostringstream e;
      e << "Objects of target \"" << tgtName
        << "\" referenced but is not one of the allowed target types "
        << "(EXECUTABLE, STATIC, SHARED, MODULE, OBJECT).";
      reportError(eval, content->GetOriginalExpression(), e.str());
      return std::string();
    }
    cmGlobalGenerator const* gg = eval->Context.LG->GetGlobalGenerator();
    if (!HasKnownObjectFileLocation(eval, content, "TARGET_OBJECTS", gt)) {
      return std::string();
    }

    cmList objects;

    if (gt->IsImported()) {
      cmValue loc = nullptr;
      cmValue imp = nullptr;
      std::string suffix;
      if (gt->Target->GetMappedConfig(eval->Context.Config, loc, imp,
                                      suffix)) {
        objects.assign(*loc);
      }
      eval->HadContextSensitiveCondition = true;
    } else {
      gt->GetTargetObjectNames(eval->Context.Config, objects);

      std::string obj_dir;
      if (eval->EvaluateForBuildsystem && !gg->SupportsCrossConfigs()) {
        // Use object file directory with buildsystem placeholder.
        obj_dir = gt->ObjectDirectory;
        eval->HadContextSensitiveCondition = gt->HasContextDependentSources();
      } else {
        // Use object file directory with per-config location.
        obj_dir = gt->GetObjectDirectory(eval->Context.Config);
        eval->HadContextSensitiveCondition = true;
      }