private void parseReprExpression(SyntaxTreeBuilder builder) {
    LOG.assertTrue(builder.getTokenType() == PyTokenTypes.TICK);
    final SyntaxTreeBuilder.Marker expr = builder.mark();
    builder.advanceLexer();
    parseExpression();
    checkMatches(PyTokenTypes.TICK, message("PARSE.expected.tick"));
    expr.done(PyElementTypes.REPR_EXPRESSION);
  }
private void parseReprExpression(SyntaxTreeBuilder builder)