ListenerFile.java 文件源码

public ListenerFile(OutputModelFactory factory, String fileName) {
    super(factory, fileName);
    Grammar g = factory.getGrammar();
    parserName = g.getRecognizerName();
    grammarName = g.name;
    for (Rule r : g.rules.values()) {
        Map<String, List<Pair<Integer,AltAST>>> labels = r.getAltLabels();
        if ( labels!=null ) {
            for (Map.Entry<String, List<Pair<Integer, AltAST>>> pair : labels.entrySet()) {
                listenerNames.add(pair.getKey());
                listenerLabelRuleNames.put(pair.getKey(), r.name);
            }
        }
        else {
            // only add rule context if no labels
            listenerNames.add(r.name);
        }
    }
    ActionAST ast = g.namedActions.get("header");
    if ( ast!=null ) header = new Action(factory, ast);
    genPackage = factory.getGrammar().tool.genPackage;
}