<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>Expression Parser on AI + 量化工程</title><link>https://miasyster.github.io/tags/expression-parser/</link><description>Recent content in Expression Parser on AI + 量化工程</description><generator>Hugo</generator><language>zh</language><lastBuildDate>Wed, 29 Apr 2026 00:00:00 +0000</lastBuildDate><atom:link href="https://miasyster.github.io/tags/expression-parser/index.xml" rel="self" type="application/rss+xml"/><item><title>表达式解析器是编译器，不是 eval()</title><link>https://miasyster.github.io/posts/expression-parser-is-a-compiler/</link><pubDate>Wed, 29 Apr 2026 00:00:00 +0000</pubDate><guid>https://miasyster.github.io/posts/expression-parser-is-a-compiler/</guid><description>QuantGPT 的核心是一个 870+ 行的手写递归下降解析器，支持 80+ 算子、截面/时序自动分组、双模式编译。不是因为不知道 eval() 更简单，而是因为 eval() 做不到的事情恰好是最重要的。</description></item></channel></rss>