/**
   * A loop driver for applying operations to all primary ClassNodes in our AST. Automatically skips
   * units that have already been processed through the current phase.
   */
  public void applyToPrimaryClassNodes(PrimaryClassNodeOperation body)
      throws CompilationFailedException {
    // GRECLIPSE: start
    /*old{
    Iterator classNodes = getPrimaryClassNodes(body.needSortedInput()).iterator();
    }*/
    // newcode
    List primaryClassNodes = getPrimaryClassNodes(body.needSortedInput());
    Iterator classNodes = primaryClassNodes.iterator();
    // end
    while (classNodes.hasNext()) {
      SourceUnit context = null;
      try {
        ClassNode classNode = (ClassNode) classNodes.next();
        context = classNode.getModule().getContext();
        // GRECLIPSE get to the bottom of this - why are operations running multiple times that
        // should only run once?
        if (context == null
            || context.phase < phase
            || (context.phase == phase && !context.phaseComplete)) {

          int offset = 1;
          Iterator<InnerClassNode> iterator = classNode.getInnerClasses();
          while (iterator.hasNext()) {
            iterator.next();
            offset++;
          }
          body.call(context, new GeneratorContext(this.ast, offset), classNode);
        }
      } catch (CompilationFailedException e) {
        // fall through, getErrorReporter().failIfErrors() will trigger
      } catch (NullPointerException npe) {
        throw npe;
      } catch (GroovyBugError e) {
        changeBugText(e, context);
        throw e;
      } catch (Exception e) {
        // check the exception for a nested compilation exception
        ErrorCollector nestedCollector = null;
        for (Throwable next = e.getCause(); next != e && next != null; next = next.getCause()) {
          if (!(next instanceof MultipleCompilationErrorsException)) continue;
          MultipleCompilationErrorsException mcee = (MultipleCompilationErrorsException) next;
          nestedCollector = mcee.collector;
          break;
        }

        if (nestedCollector != null) {
          getErrorCollector().addCollectorContents(nestedCollector);
        } else {
          getErrorCollector().addError(new ExceptionMessage(e, configuration.getDebug(), this));
        }
      }
    }

    getErrorCollector().failIfErrors();
  }
 private static void addPhaseOperationsForGlobalTransforms(
     CompilationUnit compilationUnit, Map<String, URL> transformNames, boolean isFirstScan) {
   GroovyClassLoader transformLoader = compilationUnit.getTransformLoader();
   for (Map.Entry<String, URL> entry : transformNames.entrySet()) {
     try {
       Class gTransClass = transformLoader.loadClass(entry.getKey(), false, true, false);
       // no inspection unchecked
       GroovyASTTransformation transformAnnotation =
           (GroovyASTTransformation) gTransClass.getAnnotation(GroovyASTTransformation.class);
       if (transformAnnotation == null) {
         compilationUnit
             .getErrorCollector()
             .addWarning(
                 new WarningMessage(
                     WarningMessage.POSSIBLE_ERRORS,
                     "Transform Class "
                         + entry.getKey()
                         + " is specified as a global transform in "
                         + entry.getValue().toExternalForm()
                         + " but it is not annotated by "
                         + GroovyASTTransformation.class.getName()
                         + " the global transform associated with it may fail and cause the compilation to fail.",
                     null,
                     null));
         continue;
       }
       if (ASTTransformation.class.isAssignableFrom(gTransClass)) {
         final ASTTransformation instance = (ASTTransformation) gTransClass.newInstance();
         if (instance instanceof CompilationUnitAware) {
           ((CompilationUnitAware) instance).setCompilationUnit(compilationUnit);
         }
         CompilationUnit.SourceUnitOperation suOp =
             new CompilationUnit.SourceUnitOperation() {
               public void call(SourceUnit source) throws CompilationFailedException {
                 instance.visit(new ASTNode[] {source.getAST()}, source);
               }
             };
         if (isFirstScan) {
           compilationUnit.addPhaseOperation(suOp, transformAnnotation.phase().getPhaseNumber());
         } else {
           compilationUnit.addNewPhaseOperation(
               suOp, transformAnnotation.phase().getPhaseNumber());
         }
       } else {
         compilationUnit
             .getErrorCollector()
             .addError(
                 new SimpleMessage(
                     "Transform Class "
                         + entry.getKey()
                         + " specified at "
                         + entry.getValue().toExternalForm()
                         + " is not an ASTTransformation.",
                     null));
       }
     } catch (Exception e) {
       compilationUnit
           .getErrorCollector()
           .addError(
               new SimpleMessage(
                   "Could not instantiate global transform class "
                       + entry.getKey()
                       + " specified at "
                       + entry.getValue().toExternalForm()
                       + "  because of exception "
                       + e.toString(),
                   null));
     }
   }
 }