IncrementRuleVersionAction.java 文件源码

@CheckForNull
@RuleDependency(recognizer=GrammarParser.class, rule=GrammarParser.RULE_parserRuleSpec, version=0, dependents=Dependents.SELF)
private static ParserRuleSpecContext findRuleForDescription(@NonNull Map<ParserRuleSpecContext, String> rules, @NonNull Description description) {
    for (Map.Entry<ParserRuleSpecContext, String> entry : rules.entrySet()) {
        if (!description.getName().equals(entry.getValue())) {
            continue;
        }

        Interval sourceInterval = ParseTrees.getSourceInterval(entry.getKey());
        if (sourceInterval.a <= description.getOffset() && sourceInterval.b >= description.getOffset()) {
            return entry.getKey();
        }
    }

    return null;
}