ParserTest.java 文件源码

private static TrinityParser createParser(ANTLRInputStream input) throws IOException {
    TrinityLexer lexer = new TrinityLexer(input);
    CommonTokenStream tokens = new CommonTokenStream(lexer);
    TrinityParser parser = new TrinityParser(tokens);
    parser.removeErrorListeners();
    parser.addErrorListener(new DiagnosticErrorListener());
    parser.getInterpreter().setPredictionMode(PredictionMode.LL_EXACT_AMBIG_DETECTION);
    return parser;
}