/**
  * @see parser.IDLParserVisitor#visit(ASTswitch_body, Object)
  */
 public Object visit(ASTswitch_body node, Object data) {        
     if (!(data is UnionBuildInfo)) {
         throw new InternalCompilerException("invalid parameter in visit ASTswitch_body");
     }
     UnionBuildInfo buildInfo = (UnionBuildInfo)data;
    
     // visit the different switch cases:
     node.childrenAccept(this, buildInfo);               
     return null;
 }
/* Production 74, chapter 3.4, corba 2.3.1 */
  public void switch_body() {
 /*@bgen(jjtree) switch_body */
  ASTswitch_body jjtn000 = new ASTswitch_body(this, IDLParserTreeConstants.JJTSWITCH_BODY);
  bool jjtc000 = true;
  jjtree.openNodeScope(jjtn000);
    try {
      while (true) {
        casex();
        switch ((jj_ntk==-1)?jj_ntk_calc():jj_ntk) {
        case 64:
        case 65:
          ;
          break;
        default:
          jj_la1[64] = jj_gen;
          goto label_19;
          break;
        }
      }
      label_19: ;
      
    } catch (Exception jjte000) {
    if (jjtc000) {
      jjtree.clearNodeScope(jjtn000);
      jjtc000 = false;
    } else {
      jjtree.popNode();
    }
  {if (true) throw ;}
    } finally {
    if (jjtc000) {
      jjtree.closeNodeScope(jjtn000, true);
    }
    }
  }
 /// <summary>
 /// collects all explicitely used discriminator values in switch cases.
 /// </summary>
 private ArrayList ExtractCoveredDiscriminatorRange(ASTswitch_body node, TypeContainer discrType,
                                                    BuildInfo unionInfo) {
     ArrayList result = new ArrayList();
     for (int i = 0; i < node.jjtGetNumChildren(); i++) {
         ASTcasex caseNode = (ASTcasex)node.jjtGetChild(i);
         object[] discrValsForCase = CollectDiscriminatorValuesForCase(caseNode, discrType, unionInfo);
         foreach (object discrVal in discrValsForCase) {
             if (discrVal.Equals(UnionGenerationHelper.DefaultCaseDiscriminator)) {
                 continue; // do not add default case here
             }
             if (result.Contains(discrVal)) {
                 throw new InvalidIdlException(
                     String.Format("discriminator value {0} used more than once in {1}",
                                   discrVal, node.GetIdentification()));
             }
             result.Add(discrVal);
         }
     }
     return result;
 }