return false;
}
public Set<String> getStringLiterals() {
final Set<String> strings = new LinkedHashSet<String>();
GrammarTreeVisitor collector = new GrammarTreeVisitor() {
@Override
public void stringRef(TerminalAST ref) {
strings.add(ref.getText());
}
@Override
public ErrorManager getErrorManager() { return tool.errMgr; }
};
collector.visitGrammar(ast);
return strings;
}