MessageParseListenerTest.java 文件源码

private Message parseMessage(String input) {
    CharStream stream = CharStreams.fromString(input);
    ProtoLexer lexer = new ProtoLexer(stream);
    lexer.removeErrorListeners();
    lexer.addErrorListener(TestUtils.ERROR_LISTENER);
    CommonTokenStream tokenStream = new CommonTokenStream(lexer);
    ProtoParser parser = new ProtoParser(tokenStream);
    parser.removeErrorListeners();
    parser.addErrorListener(TestUtils.ERROR_LISTENER);
    ProtoContext context = new ProtoContext("test.proto");
    MessageParseListener messageParseListener = new MessageParseListener(tokenStream, context);
    OptionParseListener optionParseListener = new OptionParseListener(tokenStream, context);
    Proto proto = new Proto();
    context.push(proto);
    parser.addParseListener(messageParseListener);
    parser.addParseListener(optionParseListener);
    parser.messageBlock();
    return proto.getMessages().get(0);
}