installUpdateListener(project);
FileEditorManagerEx fileEditorManager = FileEditorManagerEx.getInstanceEx(project);
EditorWindow curWindow = fileEditorManager.getCurrentWindow();
curWindow.split(SwingConstants.HORIZONTAL, false, virtualFile, true);
fileEditorManager.openFile(virtualFile, true);
}
@Nullable
public static PsiFile parseFile(BnfFile bnfFile, String text) {
Language language = getLanguageFor(bnfFile);