AssureConstructor.java

/**
 * Copyright (c) 2004-2025 Carnegie Mellon University and others. (see Contributors file).
 * All Rights Reserved.
 * 
 * NO WARRANTY. ALL MATERIAL IS FURNISHED ON AN "AS-IS" BASIS. CARNEGIE MELLON UNIVERSITY MAKES NO WARRANTIES OF ANY
 * KIND, EITHER EXPRESSED OR IMPLIED, AS TO ANY MATTER INCLUDING, BUT NOT LIMITED TO, WARRANTY OF FITNESS FOR PURPOSE
 * OR MERCHANTABILITY, EXCLUSIVITY, OR RESULTS OBTAINED FROM USE OF THE MATERIAL. CARNEGIE MELLON UNIVERSITY DOES NOT
 * MAKE ANY WARRANTY OF ANY KIND WITH RESPECT TO FREEDOM FROM PATENT, TRADEMARK, OR COPYRIGHT INFRINGEMENT.
 * 
 * This program and the accompanying materials are made available under the terms of the Eclipse Public License 2.0
 * which is available at https://www.eclipse.org/legal/epl-2.0/
 * SPDX-License-Identifier: EPL-2.0
 * 
 * Created, in part, with funding and support from the United States Government. (see Acknowledgments file).
 * 
 * This program includes and/or can make use of certain third party source code, object code, documentation and other
 * files ("Third Party Software"). The Third Party Software that is used by this program is dependent upon your system
 * configuration. By using this program, You agree to comply with any and all relevant Third Party Software terms and
 * conditions contained in any such Third Party Software or separate license file distributed with such Third Party
 * Software. The parties who own the Third Party Software ("Third Party Licensors") are intended third party benefici-
 * aries to this license with respect to the terms applicable to their Third Party Software. Third Party Software li-
 * censes only apply to the Third Party Software and not any other portion of this program or this program as a whole.
 */
package org.osate.assure.generator;

import com.google.common.collect.Iterables;
import com.google.inject.Inject;
import java.util.Collections;
import java.util.List;
import org.eclipse.emf.common.util.BasicEList;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.common.util.UniqueEList;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.xtext.xbase.lib.Conversions;
import org.eclipse.xtext.xbase.lib.Extension;
import org.eclipse.xtext.xbase.lib.Functions.Function1;
import org.eclipse.xtext.xbase.lib.IterableExtensions;
import org.osate.aadl2.ComponentCategory;
import org.osate.aadl2.ComponentClassifier;
import org.osate.aadl2.ComponentImplementation;
import org.osate.aadl2.ComponentType;
import org.osate.aadl2.Connection;
import org.osate.aadl2.EndToEndFlow;
import org.osate.aadl2.Feature;
import org.osate.aadl2.NamedElement;
import org.osate.aadl2.Subcomponent;
import org.osate.aadl2.util.Aadl2Util;
import org.osate.alisa.common.common.TargetType;
import org.osate.alisa.common.util.CommonUtilExtension;
import org.osate.alisa.workbench.alisa.AssuranceCase;
import org.osate.alisa.workbench.alisa.AssurancePlan;
import org.osate.alisa.workbench.util.IAlisaGlobalReferenceFinder;
import org.osate.assure.assure.AssuranceCaseResult;
import org.osate.assure.assure.AssureFactory;
import org.osate.assure.assure.ClaimResult;
import org.osate.assure.assure.ElseResult;
import org.osate.assure.assure.Metrics;
import org.osate.assure.assure.ModelResult;
import org.osate.assure.assure.NestedClaimReference;
import org.osate.assure.assure.PreconditionResult;
import org.osate.assure.assure.PredicateResult;
import org.osate.assure.assure.QualifiedClaimReference;
import org.osate.assure.assure.QualifiedVAReference;
import org.osate.assure.assure.SubsystemResult;
import org.osate.assure.assure.ThenResult;
import org.osate.assure.assure.ValidationResult;
import org.osate.assure.assure.VerificationActivityResult;
import org.osate.assure.assure.VerificationExpr;
import org.osate.assure.assure.VerificationResult;
import org.osate.assure.util.AssureUtilExtension;
import org.osate.pluginsupport.ExecuteJavaUtil;
import org.osate.reqspec.reqSpec.IncludeGlobalRequirement;
import org.osate.reqspec.reqSpec.ReqPredicate;
import org.osate.reqspec.reqSpec.Requirement;
import org.osate.reqspec.reqSpec.RequirementSet;
import org.osate.reqspec.reqSpec.SystemRequirementSet;
import org.osate.reqspec.reqSpec.ValuePredicate;
import org.osate.reqspec.reqSpec.WhenCondition;
import org.osate.reqspec.util.IReqspecGlobalReferenceFinder;
import org.osate.reqspec.util.ReqSpecUtilExtension;
import org.osate.result.ResultType;
import org.osate.verify.internal.util.IVerifyGlobalReferenceFinder;
import org.osate.verify.internal.util.VerifyUtilExtension;
import org.osate.verify.verify.AllExpr;
import org.osate.verify.verify.ArgumentExpr;
import org.osate.verify.verify.Claim;
import org.osate.verify.verify.ElseExpr;
import org.osate.verify.verify.RefExpr;
import org.osate.verify.verify.ThenExpr;
import org.osate.verify.verify.VerificationActivity;
import org.osate.verify.verify.VerificationCondition;
import org.osate.verify.verify.VerificationMethod;
import org.osate.verify.verify.VerificationPlan;
import org.osate.verify.verify.VerificationPrecondition;
import org.osate.verify.verify.VerificationValidation;

/**
 * Generates code from your model files on save.
 * 
 * see http://www.eclipse.org/Xtext/documentation.html#TutorialCodeGeneration
 */
@SuppressWarnings("all")
public class AssureConstructor implements IAssureConstructor {
  private final AssureFactory factory = AssureFactory.eINSTANCE;

  private EList<VerificationPlan> globalPlans;

  private EList<Claim> globalClaims;

  private boolean isRoot = true;

  @Override
  public AssuranceCaseResult generateFullAssuranceCase(final AssuranceCase acs) {
    AssuranceCaseResult _xblockexpression = null;
    {
      UniqueEList<VerificationPlan> _uniqueEList = new UniqueEList<VerificationPlan>();
      this.globalPlans = _uniqueEList;
      UniqueEList<Claim> _uniqueEList_1 = new UniqueEList<Claim>();
      this.globalClaims = _uniqueEList_1;
      this.isRoot = true;
      _xblockexpression = this.constructAssuranceCaseResult(acs, null);
    }
    return _xblockexpression;
  }

  public AssuranceCaseResult constructAssuranceCaseResult(final AssuranceCase acs, final ComponentClassifier cl) {
    AssuranceCaseResult _xblockexpression = null;
    {
      AssuranceCaseResult acr = this.factory.createAssuranceCaseResult();
      acr.setName(acs.getName());
      acr.setMetrics(this.factory.createMetrics());
      Metrics _metrics = acr.getMetrics();
      _metrics.setTbdCount(0);
      final EList<ModelResult> mrs = acr.getModelResult();
      EList<AssurancePlan> _assurancePlans = acs.getAssurancePlans();
      for (final AssurancePlan acp : _assurancePlans) {
        if ((CommonUtilExtension.isSameorExtends(acp.getTarget(), acs.getSystem()) && ((cl == null) || CommonUtilExtension.isSameorExtends(cl, acp.getTarget())))) {
          final ModelResult modelResultInstance = this.constructModelResult(acp);
          if ((modelResultInstance != null)) {
            mrs.add(modelResultInstance);
          }
        }
      }
      _xblockexpression = acr;
    }
    return _xblockexpression;
  }

  public ModelResult constructModelResult(final AssurancePlan acp) {
    ModelResult _xblockexpression = null;
    {
      Iterable<VerificationPlan> myplans = Collections.EMPTY_LIST;
      ComponentClassifier cc = null;
      if ((acp != null)) {
        myplans = acp.getAssure();
        cc = acp.getTarget();
        if ((IterableExtensions.isEmpty(myplans) && (!Aadl2Util.isNull(cc)))) {
          myplans = this.vReferenceFinder.getVerificationPlans(cc, acp);
        }
        this.globalPlans.addAll(acp.getAssureGlobal());
      }
      ModelResult mr = this.factory.createModelResult();
      mr.setPlan(acp);
      mr.setTarget(acp.getTarget());
      mr.setMetrics(this.factory.createMetrics());
      Metrics _metrics = mr.getMetrics();
      _metrics.setTbdCount(0);
      this.doAssurancePlanClaimResultsParts(acp, myplans, cc, mr.getClaimResult(), mr.getSubsystemResult(), mr.getSubAssuranceCase(), 
        false);
      if (((((Object[])Conversions.unwrapArray(mr.getClaimResult(), Object.class)).length == 0) && (((Object[])Conversions.unwrapArray(mr.getSubsystemResult(), Object.class)).length == 0))) {
        return null;
      }
      _xblockexpression = mr;
    }
    return _xblockexpression;
  }

  public void doAssurancePlanClaimResultsParts(final AssurancePlan assurancePlan, final Iterable<VerificationPlan> vplans, final ComponentClassifier cc, final EList<ClaimResult> claimResultList, final EList<SubsystemResult> subsystemResultList, final EList<AssuranceCaseResult> subAssuranceCaseList, final boolean globalOnly) {
    final int globalPlansTop = this.globalPlans.size();
    final int globalClaimsTop = this.globalClaims.size();
    final Iterable<SystemRequirementSet> sysreqs = this.rRreferenceFinder.getSystemRequirementSets(cc);
    for (final VerificationPlan vplan : vplans) {
      EList<Claim> _claim = vplan.getClaim();
      for (final Claim claim : _claim) {
        this.generateClaimResult(claim, claimResultList);
      }
    }
    for (final SystemRequirementSet reqs : sysreqs) {
      {
        final EList<IncludeGlobalRequirement> includes = reqs.getInclude();
        for (final IncludeGlobalRequirement incl : includes) {
          EObject _include = incl.getInclude();
          if ((_include instanceof RequirementSet)) {
            EObject _include_1 = incl.getInclude();
            final Iterable<VerificationPlan> plans = this.vReferenceFinder.getAllVerificationPlansForRequirements(((RequirementSet) _include_1), reqs);
            boolean _isLocal = incl.isLocal();
            if (_isLocal) {
              for (final VerificationPlan vplan_1 : plans) {
                final Function1<Claim, Boolean> _function = (Claim cl) -> {
                  Requirement _requirement = cl.getRequirement();
                  EList<ComponentCategory> _componentCategory = null;
                  if (_requirement!=null) {
                    _componentCategory=_requirement.getComponentCategory();
                  }
                  return Boolean.valueOf(ReqSpecUtilExtension.matchingCategory(_componentCategory, cc.getCategory()));
                };
                Iterable<Claim> _filter = IterableExtensions.<Claim>filter(vplan_1.getClaim(), _function);
                for (final Claim claim_1 : _filter) {
                  this.generateAllClaimResult(claim_1, cc, claimResultList);
                }
              }
            } else {
              Iterables.<VerificationPlan>addAll(this.globalPlans, plans);
            }
          } else {
            EObject _include_2 = incl.getInclude();
            if ((_include_2 instanceof Requirement)) {
              EObject _include_3 = incl.getInclude();
              final Requirement greq = ((Requirement) _include_3);
              final RequirementSet greqs = ReqSpecUtilExtension.containingRequirementSet(greq);
              final Iterable<VerificationPlan> plans_1 = this.vReferenceFinder.getAllVerificationPlansForRequirements(greqs, reqs);
              for (final VerificationPlan vp : plans_1) {
                EList<Claim> _claim_1 = vp.getClaim();
                for (final Claim claim_2 : _claim_1) {
                  boolean _equals = claim_2.getRequirement().getName().equals(greq.getName());
                  if (_equals) {
                    Requirement _requirement = claim_2.getRequirement();
                    EList<ComponentCategory> _componentCategory = null;
                    if (_requirement!=null) {
                      _componentCategory=_requirement.getComponentCategory();
                    }
                    boolean _matchingCategory = ReqSpecUtilExtension.matchingCategory(_componentCategory, cc.getCategory());
                    if (_matchingCategory) {
                      boolean _isLocal_1 = incl.isLocal();
                      if (_isLocal_1) {
                        this.generateAllClaimResult(claim_2, cc, claimResultList);
                      } else {
                        NamedElement _targetElement = incl.getTargetElement();
                        boolean _tripleNotEquals = (_targetElement != null);
                        if (_tripleNotEquals) {
                          boolean _whenHolds = this.whenHolds(claim_2, cc);
                          if (_whenHolds) {
                            this.generateClaimResult(claim_2, claimResultList, incl.getTargetElement());
                          }
                        } else {
                          this.globalClaims.add(claim_2);
                        }
                      }
                    }
                  }
                }
              }
            }
          }
        }
      }
    }
    for (final VerificationPlan vplan_1 : this.globalPlans) {
      final Function1<Claim, Boolean> _function = (Claim cl) -> {
        Requirement _requirement = cl.getRequirement();
        EList<ComponentCategory> _componentCategory = null;
        if (_requirement!=null) {
          _componentCategory=_requirement.getComponentCategory();
        }
        return Boolean.valueOf(ReqSpecUtilExtension.matchingCategory(_componentCategory, cc.getCategory()));
      };
      Iterable<Claim> _filter = IterableExtensions.<Claim>filter(vplan_1.getClaim(), _function);
      for (final Claim claim_1 : _filter) {
        this.generateAllClaimResult(claim_1, cc, claimResultList);
      }
    }
    final Function1<Claim, Boolean> _function_1 = (Claim cl) -> {
      Requirement _requirement = cl.getRequirement();
      EList<ComponentCategory> _componentCategory = null;
      if (_requirement!=null) {
        _componentCategory=_requirement.getComponentCategory();
      }
      return Boolean.valueOf(ReqSpecUtilExtension.matchingCategory(_componentCategory, cc.getCategory()));
    };
    Iterable<Claim> _filter_1 = IterableExtensions.<Claim>filter(this.globalClaims, _function_1);
    for (final Claim claim_2 : _filter_1) {
      this.generateAllClaimResult(claim_2, cc, claimResultList);
    }
    if ((cc instanceof ComponentImplementation)) {
      EList<Subcomponent> _allSubcomponents = ((ComponentImplementation)cc).getAllSubcomponents();
      for (final Subcomponent subc : _allSubcomponents) {
        this.generateSubsystemPlans(subc, assurancePlan, subsystemResultList, subAssuranceCaseList, globalOnly);
      }
    }
    int plansize = this.globalPlans.size();
    while ((plansize > globalPlansTop)) {
      {
        this.globalPlans.remove((plansize - 1));
        plansize = (plansize - 1);
      }
    }
    int claimsize = this.globalClaims.size();
    while ((claimsize > globalClaimsTop)) {
      {
        this.globalClaims.remove((claimsize - 1));
        claimsize = (claimsize - 1);
      }
    }
  }

  public boolean whenHolds(final Claim claim, final ComponentClassifier cc) {
    boolean _xblockexpression = false;
    {
      final Requirement req = claim.getRequirement();
      final WhenCondition when = req.getWhencondition();
      if ((when != null)) {
        final String function = when.getCondition();
        if ((function != null)) {
          NamedElement _elvis = null;
          NamedElement _targetElement = req.getTargetElement();
          if (_targetElement != null) {
            _elvis = _targetElement;
          } else {
            _elvis = cc;
          }
          final NamedElement ne = _elvis;
          final Object res = ExecuteJavaUtil.invokeJavaMethod(function, ne);
          if ((res instanceof Boolean)) {
            return ((Boolean) res).booleanValue();
          }
        }
      }
      _xblockexpression = true;
    }
    return _xblockexpression;
  }

  public void generateAllClaimResult(final Claim claim, final ComponentClassifier cc, final EList<ClaimResult> claimResultlist) {
    boolean _whenHolds = this.whenHolds(claim, cc);
    boolean _not = (!_whenHolds);
    if (_not) {
      return;
    }
    TargetType _targetType = claim.getRequirement().getTargetType();
    boolean _tripleEquals = (_targetType == TargetType.CONNECTION);
    if (_tripleEquals) {
      if ((cc instanceof ComponentImplementation)) {
        Iterable<Connection> _crossConnections = CommonUtilExtension.getCrossConnections(((ComponentImplementation)cc));
        for (final Connection conn : _crossConnections) {
          this.generateClaimResult(claim, claimResultlist, conn);
        }
      }
      return;
    } else {
      TargetType _targetType_1 = claim.getRequirement().getTargetType();
      boolean _tripleEquals_1 = (_targetType_1 == TargetType.FLOW);
      if (_tripleEquals_1) {
        if ((cc instanceof ComponentImplementation)) {
          EList<EndToEndFlow> _allEndToEndFlows = ((ComponentImplementation)cc).getAllEndToEndFlows();
          for (final EndToEndFlow etef : _allEndToEndFlows) {
            this.generateClaimResult(claim, claimResultlist, etef);
          }
        }
        return;
      } else {
        TargetType _targetType_2 = claim.getRequirement().getTargetType();
        boolean _tripleEquals_2 = (_targetType_2 == TargetType.FEATURE);
        if (_tripleEquals_2) {
          EList<Feature> _allFeatures = cc.getAllFeatures();
          for (final Feature feature : _allFeatures) {
            this.generateClaimResult(claim, claimResultlist, feature);
          }
          return;
        } else {
          this.generateClaimResult(claim, claimResultlist);
        }
      }
    }
  }

  public void generateClaimResult(final Claim claim, final EList<ClaimResult> claimResultlist) {
    this.generateClaimResult(claim, claimResultlist, claim.getRequirement().getTargetElement());
  }

  public void generateClaimResult(final Claim claim, final EList<ClaimResult> claimResultlist, final NamedElement forTargetElement) {
    final EList<VerificationActivityResult> claimvas = this.doGenerateVA(claim);
    if ((((((Object[])Conversions.unwrapArray(claimvas, Object.class)).length == 0) && (claim.getSubclaim() == null)) && (claim.getAssert() == null))) {
      return;
    }
    final ClaimResult claimResult = this.factory.createClaimResult();
    final QualifiedClaimReference qcr = this.factory.createQualifiedClaimReference();
    qcr.setVerificationPlan(VerifyUtilExtension.containingVerificationPlan(claim));
    final NestedClaimReference ncr = this.factory.createNestedClaimReference();
    ncr.setRequirement(claim.getRequirement());
    qcr.setRequirement(this.constructClaimReferencePath(claim, ncr));
    claimResult.setTargetReference(qcr);
    claimResult.setMetrics(this.factory.createMetrics());
    Metrics _metrics = claimResult.getMetrics();
    _metrics.setTbdCount(0);
    claimResult.setModelElement(forTargetElement);
    EList<Claim> _subclaim = claim.getSubclaim();
    boolean _tripleNotEquals = (_subclaim != null);
    if (_tripleNotEquals) {
      EList<Claim> _subclaim_1 = null;
      if (claim!=null) {
        _subclaim_1=claim.getSubclaim();
      }
      for (final Claim subclaim : _subclaim_1) {
        this.generateClaimResult(subclaim, claimResult.getSubClaimResult(), claim.getRequirement().getTargetElement());
      }
    }
    ArgumentExpr _assert = claim.getAssert();
    boolean _tripleNotEquals_1 = (_assert != null);
    if (_tripleNotEquals_1) {
      this.construct(claimResult.getVerificationActivityResult(), claim.getAssert());
    } else {
      for (final VerificationActivityResult claimva : claimvas) {
        claimResult.getVerificationActivityResult().add(claimva);
      }
    }
    final ReqPredicate predicate = claim.getRequirement().getPredicate();
    if ((predicate instanceof ValuePredicate)) {
      boolean _containsComputeVariables = AssureUtilExtension.containsComputeVariables(((ValuePredicate)predicate));
      boolean _not = (!_containsComputeVariables);
      if (_not) {
        claimResult.setPredicateResult(this.generatePredicateResult(claim));
      }
    }
    claimResultlist.add(claimResult);
  }

  public PredicateResult generatePredicateResult(final Claim claim) {
    PredicateResult _xblockexpression = null;
    {
      final PredicateResult predicate = this.factory.createPredicateResult();
      final QualifiedClaimReference ref = this.factory.createQualifiedClaimReference();
      ref.setVerificationPlan(VerifyUtilExtension.containingVerificationPlan(claim));
      final NestedClaimReference nested = this.factory.createNestedClaimReference();
      nested.setRequirement(claim.getRequirement());
      ref.setRequirement(this.constructClaimReferencePath(claim, nested));
      predicate.setTargetReference(ref);
      predicate.setMetrics(this.factory.createMetrics());
      Metrics _metrics = predicate.getMetrics();
      _metrics.setTbdCount(0);
      _xblockexpression = predicate;
    }
    return _xblockexpression;
  }

  @Inject
  private IAlisaGlobalReferenceFinder arefFinder;

  public void generateSubsystemPlans(final Subcomponent subc, final AssurancePlan parentap, final EList<SubsystemResult> subsystemResultList, final EList<AssuranceCaseResult> subAssuranceCaseList, final boolean globalOnly) {
    final ComponentClassifier cc = subc.getAllClassifier();
    if ((cc == null)) {
      return;
    }
    final boolean prevIsRoot = this.isRoot;
    this.isRoot = false;
    if ((globalOnly || this.isAssumeSubsystem(subc, parentap))) {
      this.generateSubsystemGlobalOnly(subc, parentap, subsystemResultList);
    } else {
      if ((cc instanceof ComponentType)) {
        this.generateSubsystemVerificationPlansGlobals(subc, parentap, subsystemResultList);
      } else {
        final Iterable<AssuranceCase> subacs = this.arefFinder.getAssuranceCases(cc);
        boolean _isEmpty = IterableExtensions.isEmpty(subacs);
        if (_isEmpty) {
          this.generateSubsystemVerificationPlansGlobals(subc, parentap, subsystemResultList);
        } else {
          for (final AssuranceCase subac : subacs) {
            subAssuranceCaseList.add(this.constructAssuranceCaseResult(subac, cc));
          }
        }
      }
    }
    this.isRoot = prevIsRoot;
  }

  /**
   * sub: system of interest as subcomponent of another system
   */
  public void generateSubsystemVerificationPlansGlobals(final Subcomponent sub, final AssurancePlan mp, final EList<SubsystemResult> subsystemResultList) {
    Iterable<VerificationPlan> myplans = Collections.EMPTY_LIST;
    ComponentClassifier cc = null;
    boolean _isNull = Aadl2Util.isNull(sub);
    boolean _not = (!_isNull);
    if (_not) {
      cc = sub.getAllClassifier();
      boolean _isNull_1 = Aadl2Util.isNull(cc);
      boolean _not_1 = (!_isNull_1);
      if (_not_1) {
        myplans = this.vReferenceFinder.getVerificationPlans(cc, mp);
      }
    }
    final SubsystemResult ssr = this.factory.createSubsystemResult();
    ssr.setTargetSystem(sub);
    ssr.setMetrics(this.factory.createMetrics());
    Metrics _metrics = ssr.getMetrics();
    _metrics.setTbdCount(0);
    this.doAssurancePlanClaimResultsParts(mp, myplans, cc, ssr.getClaimResult(), ssr.getSubsystemResult(), null, false);
    subsystemResultList.add(ssr);
  }

  /**
   * sub: system of interest as subcomponent of another system only for global requirements from enclosing case
   * Otherwiase it was marked as assume, i.e., local assurance case/verification plans are not executed
   */
  public void generateSubsystemGlobalOnly(final Subcomponent sub, final AssurancePlan mp, final EList<SubsystemResult> subsystemResultList) {
    Iterable<VerificationPlan> myplans = Collections.EMPTY_LIST;
    final SubsystemResult ssr = this.factory.createSubsystemResult();
    ssr.setTargetSystem(sub);
    ssr.setMetrics(this.factory.createMetrics());
    Metrics _metrics = ssr.getMetrics();
    _metrics.setTbdCount(0);
    this.doAssurancePlanClaimResultsParts(mp, myplans, sub.getAllClassifier(), ssr.getClaimResult(), ssr.getSubsystemResult(), null, 
      true);
    subsystemResultList.add(ssr);
  }

  public boolean isAssumeSubsystem(final Subcomponent subc, final AssurancePlan parentacp) {
    if ((parentacp == null)) {
      return false;
    }
    boolean _isAssumeAll = parentacp.isAssumeAll();
    if (_isAssumeAll) {
      return true;
    }
    final EList<Subcomponent> assumes = parentacp.getAssumeSubsystems();
    for (final Subcomponent sub : assumes) {
      boolean _equalsIgnoreCase = sub.getName().equalsIgnoreCase(subc.getName());
      if (_equalsIgnoreCase) {
        return true;
      }
    }
    return false;
  }

  public EList<VerificationActivityResult> doGenerateVA(final Claim claim) {
    EList<VerificationActivityResult> _xblockexpression = null;
    {
      final EList<VerificationActivityResult> returnList = new BasicEList<VerificationActivityResult>();
      EList<VerificationActivity> _activities = claim.getActivities();
      for (final VerificationActivity va : _activities) {
        this.addVAR(va, returnList);
      }
      _xblockexpression = returnList;
    }
    return _xblockexpression;
  }

  public void addVAR(final VerificationActivity va, final EList<VerificationActivityResult> vaList) {
    final Claim claim = VerifyUtilExtension.getContainingClaim(va);
    if (((va.getMethod().getTargetType() == TargetType.ROOT) && (!this.isRoot))) {
      return;
    }
    final VerificationActivityResult vaResult = this.factory.createVerificationActivityResult();
    final QualifiedVAReference qvr = this.factory.createQualifiedVAReference();
    qvr.setVerificationPlan(VerifyUtilExtension.containingVerificationPlan(va));
    final NestedClaimReference ncr = this.factory.createNestedClaimReference();
    ncr.setRequirement(claim.getRequirement());
    qvr.setRequirement(this.constructClaimReferencePath(claim, ncr));
    qvr.setVerificationActivity(va);
    vaResult.setTargetReference(qvr);
    vaResult.setType(ResultType.TBD);
    vaResult.setMetrics(this.factory.createMetrics());
    Metrics _metrics = vaResult.getMetrics();
    _metrics.setTbdCount(0);
    VerificationMethod _method = va.getMethod();
    VerificationCondition _precondition = null;
    if (_method!=null) {
      _precondition=_method.getPrecondition();
    }
    boolean _tripleNotEquals = (_precondition != null);
    if (_tripleNotEquals) {
      vaResult.setPreconditionResult(this.doConstruct(va.getMethod().getPrecondition(), va));
    }
    VerificationMethod _method_1 = va.getMethod();
    VerificationCondition _validation = null;
    if (_method_1!=null) {
      _validation=_method_1.getValidation();
    }
    boolean _tripleNotEquals_1 = (_validation != null);
    if (_tripleNotEquals_1) {
      vaResult.setValidationResult(this.doConstruct(va.getMethod().getValidation(), va));
    }
    vaList.add(vaResult);
  }

  public NestedClaimReference constructClaimReferencePath(final Claim claim, final NestedClaimReference ncr) {
    final EObject parent = claim.eContainer();
    if ((parent instanceof Claim)) {
      final NestedClaimReference parentNcr = this.factory.createNestedClaimReference();
      parentNcr.setRequirement(((Claim)parent).getRequirement());
      parentNcr.setSub(ncr);
      return this.constructClaimReferencePath(((Claim)parent), parentNcr);
    }
    return ncr;
  }

  @Inject
  @Extension
  private IReqspecGlobalReferenceFinder rRreferenceFinder;

  @Inject
  @Extension
  private IVerifyGlobalReferenceFinder vReferenceFinder;

  public void construct(final List<VerificationExpr> arl, final ArgumentExpr expr) {
    boolean _matched = false;
    if (expr instanceof AllExpr) {
      _matched=true;
      this.doConstruct(arl, ((AllExpr)expr));
    }
    if (!_matched) {
      if (expr instanceof ThenExpr) {
        _matched=true;
        this.doConstruct(arl, ((ThenExpr)expr));
      }
    }
    if (!_matched) {
      if (expr instanceof ElseExpr) {
        _matched=true;
        this.doConstruct(arl, ((ElseExpr)expr));
      }
    }
    if (!_matched) {
      if (expr instanceof RefExpr) {
        _matched=true;
        this.doConstruct(arl, ((RefExpr)expr));
      }
    }
  }

  public void doConstruct(final List<VerificationExpr> arl, final AllExpr expr) {
    EList<ArgumentExpr> _elements = expr.getElements();
    for (final ArgumentExpr subexpr : _elements) {
      this.construct(arl, subexpr);
    }
  }

  public void doConstruct(final List<VerificationExpr> arl, final ThenExpr expr) {
    final ThenResult thenres = this.factory.createThenResult();
    thenres.setMetrics(this.factory.createMetrics());
    Metrics _metrics = thenres.getMetrics();
    _metrics.setTbdCount(0);
    this.construct(thenres.getFirst(), expr.getLeft());
    this.construct(thenres.getSecond(), expr.getSuccessor());
    boolean _isEmpty = thenres.getFirst().isEmpty();
    if (_isEmpty) {
      return;
    }
    boolean _isEmpty_1 = thenres.getSecond().isEmpty();
    if (_isEmpty_1) {
      EList<VerificationExpr> _first = thenres.getFirst();
      Iterables.<VerificationExpr>addAll(arl, _first);
    } else {
      arl.add(thenres);
    }
  }

  public void doConstruct(final List<VerificationExpr> arl, final ElseExpr expr) {
    final ElseResult elseres = this.factory.createElseResult();
    elseres.setMetrics(this.factory.createMetrics());
    Metrics _metrics = elseres.getMetrics();
    _metrics.setTbdCount(0);
    this.construct(elseres.getFirst(), expr.getLeft());
    this.construct(elseres.getError(), expr.getError());
    ArgumentExpr _fail = expr.getFail();
    boolean _tripleNotEquals = (_fail != null);
    if (_tripleNotEquals) {
      this.construct(elseres.getFail(), expr.getFail());
    }
    ArgumentExpr _timeout = expr.getTimeout();
    boolean _tripleNotEquals_1 = (_timeout != null);
    if (_tripleNotEquals_1) {
      this.construct(elseres.getTimeout(), expr.getTimeout());
    }
    boolean _isEmpty = elseres.getFirst().isEmpty();
    if (_isEmpty) {
      return;
    }
    if (((elseres.getError().isEmpty() && elseres.getFail().isEmpty()) && elseres.getTimeout().isEmpty())) {
      EList<VerificationExpr> _first = elseres.getFirst();
      Iterables.<VerificationExpr>addAll(arl, _first);
    } else {
      arl.add(elseres);
    }
  }

  public void doConstruct(final List<VerificationExpr> arl, final RefExpr expr) {
    final VerificationActivity va = expr.getVerification();
    if ((va == null)) {
      return;
    }
    final VerificationActivityResult vr = this.factory.createVerificationActivityResult();
    vr.setType(ResultType.TBD);
    final QualifiedVAReference qvr = this.factory.createQualifiedVAReference();
    qvr.setVerificationPlan(VerifyUtilExtension.containingVerificationPlan(va));
    final NestedClaimReference ncr = this.factory.createNestedClaimReference();
    final Claim claim = VerifyUtilExtension.getContainingClaim(va);
    ncr.setRequirement(claim.getRequirement());
    qvr.setRequirement(this.constructClaimReferencePath(claim, ncr));
    qvr.setVerificationActivity(va);
    vr.setTargetReference(qvr);
    vr.setMetrics(this.factory.createMetrics());
    Metrics _metrics = vr.getMetrics();
    _metrics.setTbdCount(0);
    arl.add(vr);
    VerificationMethod _method = va.getMethod();
    VerificationCondition _precondition = null;
    if (_method!=null) {
      _precondition=_method.getPrecondition();
    }
    boolean _tripleNotEquals = (_precondition != null);
    if (_tripleNotEquals) {
      vr.setPreconditionResult(this.doConstruct(va.getMethod().getPrecondition(), va));
    }
    VerificationMethod _method_1 = va.getMethod();
    VerificationCondition _validation = null;
    if (_method_1!=null) {
      _validation=_method_1.getValidation();
    }
    boolean _tripleNotEquals_1 = (_validation != null);
    if (_tripleNotEquals_1) {
      vr.setValidationResult(this.doConstruct(va.getMethod().getValidation(), va));
    }
  }

  public VerificationResult doConstruct(final VerificationCondition vc, final VerificationActivity va) {
    VerificationResult vcr = null;
    boolean _matched = false;
    if (vc instanceof VerificationValidation) {
      _matched=true;
      vcr = this.factory.createValidationResult();
      ((ValidationResult) vcr).setTarget(va.getMethod());
    }
    if (!_matched) {
      if (vc instanceof VerificationPrecondition) {
        _matched=true;
        vcr = this.factory.createPreconditionResult();
        ((PreconditionResult) vcr).setTarget(va.getMethod());
      }
    }
    vcr.setType(ResultType.TBD);
    vcr.setMetrics(this.factory.createMetrics());
    Metrics _metrics = vcr.getMetrics();
    _metrics.setTbdCount(0);
    return vcr;
  }
}