https://answer.freetools.me/tags/lr/ Recent content in LR on Answer Hugo -- 0.152.2 zh-cn Wed, 11 Mar 2026 02:17:59 +0800 https://answer.freetools.me/%E8%A7%A3%E6%9E%90%E5%99%A8%E7%9A%84%E4%BB%A3%E9%99%85%E6%88%98%E4%BA%89%E4%B8%BA%E4%BB%80%E4%B9%88gcc%E5%92%8Cclang%E9%83%BD%E9%80%89%E6%8B%A9%E4%BA%86%E6%89%8B%E5%86%99%E8%A7%A3%E6%9E%90%E5%99%A8/ Wed, 11 Mar 2026 02:17:59 +0800 https://answer.freetools.me/%E8%A7%A3%E6%9E%90%E5%99%A8%E7%9A%84%E4%BB%A3%E9%99%85%E6%88%98%E4%BA%89%E4%B8%BA%E4%BB%80%E4%B9%88gcc%E5%92%8Cclang%E9%83%BD%E9%80%89%E6%8B%A9%E4%BA%86%E6%89%8B%E5%86%99%E8%A7%A3%E6%9E%90%E5%99%A8/ 深入剖析编译器前端解析技术的六十年演进历程：从Ken Thompson 1968年的NFA算法到现代LL(*)和ALL(*)解析器，揭示正则引擎性能差异的技术根源、LL与LR解析器的本质分歧、以及为什么主流编译器最终都选择了手写递归下降解析器。