private void init() {
        if (injectionHighlighter != null) return;
        synchronized (this) {
          if (injectionHighlighter != null) return;
          PsiFile file = myPopup.myFile;
          Editor editor = myPopup.myEditor;
          boolean committed = PsiDocumentManager.getInstance(file.getProject()).isCommitted(editor.getDocument());
          injectedFile = committed
                         ? InjectedLanguageUtil.findInjectedPsiNoCommit(file, editor.getCaretModel().getOffset())
                         : null;
          injectedEditor = InjectedLanguageUtil.getInjectedEditorForInjectedFile(editor, injectedFile);

          highlighter = new ScopeHighlighter(editor);
          injectionHighlighter = new ScopeHighlighter(injectedEditor);
        }
      }
private void init()