SGFVisitorTest.java 文件源码

@Before
public void commonSetup() {
    ANTLRInputStream inputStream = new ANTLRInputStream("");
    sgfLexer = new SGFLexer(inputStream);
    CommonTokenStream tokenStream = new CommonTokenStream(sgfLexer);

    parser = new SGFParser(tokenStream);

    StringWriter errorWriter = new StringWriter();
    errorListener = new SGFErrorListener(errorWriter);
    parser.removeErrorListeners();
    parser.addErrorListener(errorListener);

    visitor = new SGFVisitor();
}