Grammar.java 文件源码

public ParserInterpreter createParserInterpreter(TokenStream tokenStream) {
    if (this.isLexer()) {
        throw new IllegalStateException("A parser interpreter can only be created for a parser or combined grammar.");
    }

    char[] serializedAtn = ATNSerializer.getSerializedAsChars(atn);
    ATN deserialized = new ATNDeserializer().deserialize(serializedAtn);
    return new ParserInterpreter(fileName, getVocabulary(), Arrays.asList(getRuleNames()), deserialized, tokenStream);
}