ArrowWhitespaceListener.java 文件源码

private void checkWhitespaceAroundReturnArrow(ParserRuleContext ctx) {
    Token arrow = ((TerminalNodeImpl) ctx.getChild(0)).getSymbol();
    Token left = ParseTreeUtil.getStopTokenForNode(ParseTreeUtil.getLeftSibling(ctx));
    Token right = ParseTreeUtil.getStartTokenForNode(ctx.getChild(1));

    verifyArrowIsSpaceDelimited(left, right, arrow);
}