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</section><section class="mpa-template" data-mpa-powered-by="yiban.io" style="white-space: normal;max-width: 100%;font-size: 16px;overflow-wrap: break-word !important;box-sizing: border-box !important;"><p data-mpa-powered-by="yiban.io" style="text-align:center; white-space: normal; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; background-color: rgb(255, 255, 255); font-size: 16px; box-sizing: border-box !important; overflow-wrap: break-word !important;" align="center">关注公众号“程序员黄小斜”，选择“置顶或者星标”</p><p style="text-align:center;margin: 5px 16px 10px;white-space: normal;max-width: 100%;min-height: 1em;letter-spacing: 0.544px;background-color: rgb(255, 255, 255);caret-color: rgb(51, 51, 51);text-size-adjust: auto;line-height: normal;box-sizing: border-box !important;overflow-wrap: break-word !important;" align="center">一起成为更好的自己！</p><article class="yead_editor" style="margin: 5px auto;padding: 5px;max-width: 100%;color: rgb(0, 0, 0);overflow-wrap: break-word !important;box-sizing: border-box !important;"><img class="rich_pages" data-ratio="0.4255555555555556" data-s="300,640" src="https://mmbiz.qpic.cn/mmbiz_jpg/hbTNOSuicwlsia51QZVnuObllmq8GkxMPfUh5Ribdw7uPuLlLvHwVYa19RsSeM8znzJ9eRia2Lzy6C58EBMboBc2Yg/640?wx_fmt=jpeg" data-type="jpeg" data-w="900" style="text-align: center;"></article></section><p style="text-align:left;max-width: 100%;min-height: 1em;box-sizing: border-box !important;word-wrap: break-word !important;word-break: normal !important;" align="left">
</p><p style="text-align:left;max-width: 100%;min-height: 1em;box-sizing: border-box !important;word-wrap: break-word !important;word-break: normal !important;" align="left">这两天刷微博、朋友圈、公众号，发现大家都被一个文言文编程的项目圈粉了。
</p><p style="text-align:center;" align="center">
</p><section style="text-align: left;line-height: 1.75em;"><img class="rich_pages js_insertlocalimg" data-ratio="0.6583333333333333" data-s="300,640" src="https://mmbiz.qpic.cn/sz_mmbiz_jpg/kOTNkic5gVBF0GFNUWCSNCibsW6F9pPFvUpP7M273625t2aA7dpXdicd0WHd6zIc1dOZ4BjcgaiauAUZFvzqp7p9EA/640?wx_fmt=jpeg" data-type="jpeg" data-w="1080" style=""></section><p style="text-align:center;" align="center">
</p><section style="text-align: left;line-height: 1.75em;">就连中科院计算所研究员、机器翻译领域知名专家刘群老师都赞叹道：后生可畏
</section><p style="text-align:center;" align="center">
</p><section style="text-align: left;line-height: 1.75em;"><img class="rich_pages" data-ratio="0.683944374209861" data-s="300,640" src="https://mmbiz.qpic.cn/sz_mmbiz_png/kOTNkic5gVBF0GFNUWCSNCibsW6F9pPFvU0z1zR0qCFxwEjic2VzGA1vNgbXlpqrKNKAbXX7W5Q5l706ssl15osYA/640" data-type="png" data-w="791" style="width:95%;height:auto;"></section><p style="text-align:center;" align="center">
</p><section style="text-align: left;line-height: 1.75em;">到底是什么神仙项目，竟然获得如此高的评价？原来，这是一位卡内基梅隆大学（CMU）的大四学生开发的基于文言文的编程语言。</section><p style="text-align:center;" align="center">
</p><p style="text-align:center;" align="center"><img class="rich_pages js_insertlocalimg" data-ratio="0.23035714285714284" data-s="300,640" src="https://mmbiz.qpic.cn/sz_mmbiz_png/kOTNkic5gVBF0GFNUWCSNCibsW6F9pPFvUOMl4vj6oJ3kZw5u3MQwvpWDnLE8dsm9Oe9Ccmq0vGDn2CTXcTes4AA/640" data-type="png" data-w="1120" style=""></p><p style="text-align:center;" align="center">
</p><section style="text-align: left;line-height: 1.75em;">这个项目叫做Lingdong，可编译成Javascript，也可编译成Python，而且还有线上编辑器可直接运行。如今已经在Github上标星7K，324个Fork（Github地址：https://github.com/LingDong-/）</section><p style="text-align:center;" align="center">
</p><p style="text-align:center;" align="center"><img class="rich_pages" data-ratio="0.35258152173913043" data-s="300,640" src="https://mmbiz.qpic.cn/sz_mmbiz_png/kOTNkic5gVBF0GFNUWCSNCibsW6F9pPFvU7qyKZRC15ltjnzvCfEe4HEpPiaEBztx7WVUJlKOHyZaXW2S1DJWmPyQ/640" data-type="png" data-w="1472" style="width:95%;height:auto;"></p><section>
</section><section style="text-align: left;line-height: 1.75em;">而且发文前，Lingdong妥妥霸榜GitHub Trending日榜第一，单日斩获4000+Star！下面还是来看看Lingdong怎么用吧。</section><p>
</p><section style="text-align: left;line-height: 1.75em;">假如你想知道文言文是如何输出“Hello World”？，你会发现原来是这样的：</section><p>
</p><pre style="box-sizing: border-box;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;text-align: start;background-color: rgb(255, 255, 255);"><section style="box-sizing: border-box; margin-right: 2px; margin-left: 2px; padding: 0.5em; font-size: 12px; color: rgb(169, 183, 198); border-radius: 0px; background: rgb(40, 43, 46); display: block; overflow-x: auto; letter-spacing: 0px; text-align: left; line-height: 1.75em; overflow-wrap: normal !important; word-break: normal !important; overflow-y: auto !important; font-family: Consolas, Inconsolata, Courier, monospace;">吾有一數。曰三。名之曰「甲」。
為是「甲」遍。
吾有一言。曰「「問天地好在。」」。書之。
云云。
</section></pre><p>
</p><section style="text-align: left;line-height: 1.75em;">编译成JavaScript是这样的：
</section><p>
</p><pre style="box-sizing: border-box;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;text-align: start;background-color: rgb(255, 255, 255);"><section style="box-sizing: border-box; margin-right: 2px; margin-left: 2px; padding: 0.5em; font-size: 12px; color: rgb(169, 183, 198); border-radius: 0px; background: rgb(40, 43, 46); display: block; overflow-x: auto; letter-spacing: 0px; text-align: left; line-height: 1.75em; overflow-wrap: normal !important; word-break: normal !important; overflow-y: auto !important; font-family: Consolas, Inconsolata, Courier, monospace;">var n = 3;
for (var i = 0; i < n; i++) {
console.log("問天地好在。");
}
</section></pre><p>
</p><section style="text-align: left;line-height: 1.75em;">输出是这样的</section><p>
</p><pre style="box-sizing: border-box;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;text-align: start;background-color: rgb(255, 255, 255);"><section style="box-sizing: border-box; margin-right: 2px; margin-left: 2px; padding: 0.5em; font-size: 12px; color: rgb(169, 183, 198); border-radius: 0px; background: rgb(40, 43, 46); display: block; overflow-x: auto; letter-spacing: 0px; text-align: left; line-height: 1.75em; overflow-wrap: normal !important; word-break: normal !important; overflow-y: auto !important; font-family: Consolas, Inconsolata, Courier, monospace;">問天地好在。
問天地好在。
問天地好在。
</section></pre><p>
</p><section style="text-align: left;line-height: 1.75em;">再比如，我们大学时候的编程，总会有一道求100以内素数的练习题，放到文言文里会是怎样的呢？这时候，你就要用到一个名为“埃氏筛”的算法，完整文言文如下：</section><p style="text-align:center;" align="center">
</p><section style="text-align: center;line-height: 1.75em;"><img class="rich_pages js_insertlocalimg" data-ratio="0.7542372881355932" data-s="300,640" src="https://mmbiz.qpic.cn/sz_mmbiz_png/kOTNkic5gVBF0GFNUWCSNCibsW6F9pPFvU32tk0wYOraBSeNzGzu4CEoK1o4kEVuAXYTic5WGTL8Z2CdoEGiaiarGyQ/640" data-type="png" data-w="708" style="width:90%;height:auto;"></section><p style="text-align:center;" align="center">
</p><section style="text-align: left;line-height: 1.75em;">编译成JavaScript就是如下这样：</section><p>
</p><section style="text-align: left;line-height: 1.75em;">
</section><pre style="box-sizing: border-box;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;text-align: start;background-color: rgb(255, 255, 255);"><section style="box-sizing: border-box; margin-right: 2px; margin-left: 2px; padding: 0.5em; font-size: 12px; color: rgb(169, 183, 198); border-radius: 0px; background: rgb(40, 43, 46); display: block; overflow-x: auto; letter-spacing: 0px; text-align: left; line-height: 1.75em; overflow-wrap: normal !important; word-break: normal !important; overflow-y: auto !important; font-family: Consolas, Inconsolata, Courier, monospace;">var 埃氏篩 = () => 0;
埃氏篩 = function(甲) {
var 掩 = [];
for (var _rand1 = 0; _rand1 < 甲; _rand1++) {
掩.push(true);
};
var _ans1 = 甲 / 2;
var 甲半 = _ans1;
var 戊 = 2;
while (true) {
if (戊 == 甲半) {
break;
};
var 戌 = 2;
while (true) {
if (戌 == 甲半) {
break;
};
var _ans2 = 戊 * 戌;
var 合 = _ans2;
if (合 <= 甲) {
掩[合 - 1] = false;
} else {
break;
};
var _ans3 = 1 + 戌;
戌 = _ans3;
};
var _ans4 = 1 + 戊;
戊 = _ans4;
};
var 諸素 = [];
var 戊 = 2;
while (true) {
if (戊 == 掩.length) {
break;
};
var _ans5 = 掩[戊 - 1];
var 素耶 = _ans5;
if (素耶) {
諸素.push(戊);
};
var _ans6 = 1 + 戊;
戊 = _ans6;
};
return 諸素
};
var _ans7 = 埃氏篩(100);
console.log(_ans7);
</section></pre><p>
</p><section style="text-align: left;line-height: 1.75em;">
</section><section style="text-align: left;line-height: 1.75em;">最后，我们来看看运行结果：</section><p>
</p><section style="text-align: left;line-height: 1.75em;">
</section><pre style="box-sizing: border-box;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;text-align: start;background-color: rgb(255, 255, 255);"><section style="box-sizing: border-box; margin-right: 2px; margin-left: 2px; padding: 0.5em; font-size: 12px; color: rgb(169, 183, 198); border-radius: 0px; background: rgb(40, 43, 46); display: block; overflow-x: auto; letter-spacing: 0px; text-align: left; line-height: 1.75em; overflow-wrap: normal !important; word-break: normal !important; overflow-y: auto !important; font-family: Consolas, Inconsolata, Courier, monospace;">2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97
</section></pre><p>
</p><section style="text-align: left;line-height: 1.75em;">猿妹找不到文言文来夸它，那就只能说出一个字：牛！！！</section><p style="text-align:center;" align="center">
</p><section style="text-align: center;line-height: 1.75em;"><img class="rich_pages js_insertlocalimg" data-ratio="0.8" data-s="300,640" src="https://mmbiz.qpic.cn/sz_mmbiz_jpg/kOTNkic5gVBF0GFNUWCSNCibsW6F9pPFvUS7GCIu9mhicoXAHTQuIW56ge5WcrNkEySEhXVBoH12ichuUApZoh7EtA/640?wx_fmt=jpeg" data-type="jpeg" data-w="300" style="width:40%;height:auto;"></section><p style="text-align:center;" align="center">
</p><section style="text-align: left;line-height: 1.75em;">此外，作者还提供了一个在线的IDE，你不妨赶紧试试，地址：http://wenyan-lang.lingdong.w...</section><p style="text-align:center;" align="center">
</p><p style="text-align:center;" align="center"><img class="rich_pages js_insertlocalimg" data-ratio="0.6738382099827883" data-s="300,640" src="https://mmbiz.qpic.cn/sz_mmbiz_png/kOTNkic5gVBFYAScaDWgNYlfEFkgwje5T1x9pClwb3xcdiaDWmEtazPjMicEAZKJGWJqujVHj1GjwZcauPoIibHqiaA/640" data-type="png" data-w="1162" style="width:95%;height:auto;"></p><p style="text-align:center;" align="center">
</p><section style="text-align: left;line-height: 1.75em;">你以为这就够了么？当然不，作者还做了个图灵机demo：</section><p style="text-align:center;" align="center">
</p><section style="text-align: center;line-height: 1.75em;"><img class="rich_pages js_insertlocalimg" data-ratio="0.77265625" data-s="300,640" src="https://mmbiz.qpic.cn/sz_mmbiz_png/kOTNkic5gVBF0GFNUWCSNCibsW6F9pPFvUjCecPDZicNxzcCJO1icllbTic1rrfp6AYLRWsXYLiakiamaNg7JrpOYCGEg/640" data-type="png" data-w="1280" style="width:90%;height:auto;"></section><p>
</p><p>
</p><section style="text-align: left;line-height: 1.75em;">相关语法表</section><p>
</p><section style="text-align: left;line-height: 1.75em;">下面，我们在来看看相关的语法表，比如他是如何定义一个变量的：</section><p style="text-align:center;" align="center">
</p><section style="text-align: left;line-height: 1.75em;"><img class="rich_pages js_insertlocalimg" data-ratio="0.48444444444444446" data-s="300,640" src="https://mmbiz.qpic.cn/sz_mmbiz_png/kOTNkic5gVBF0GFNUWCSNCibsW6F9pPFvURlORchge0jH2iaHeLEibwIhL4Xz70EtDwntaChBLfF1698mUhC9atwQg/640" data-type="png" data-w="675" style=""></section><p>
</p><section style="text-align: left;line-height: 1.75em;">还有一些运算是如何定义的呢？如下：</section><p>
</p><section style="text-align: left;line-height: 1.75em;"><img class="rich_pages js_insertlocalimg" data-ratio="0.29270729270729273" data-s="300,640" src="https://mmbiz.qpic.cn/sz_mmbiz_png/kOTNkic5gVBF0GFNUWCSNCibsW6F9pPFvUIqT2nrgXoV6K91ZTg6Fb8SOR1knUx5LP7qwFt7awnc1EFX2sAJia2Iw/640" data-type="png" data-w="1001" style=""></section><p>
</p><section style="text-align: left;line-height: 1.75em;">还有基本的数学运算：</section><p style="text-align:center;" align="center">
</p><section style="text-align: left;line-height: 1.75em;"><img class="rich_pages js_insertlocalimg" data-ratio="0.6261682242990654" data-s="300,640" src="https://mmbiz.qpic.cn/sz_mmbiz_png/kOTNkic5gVBF0GFNUWCSNCibsW6F9pPFvUiacz0GT6mSZbDlKiacMPEx7ribxhl2QnHKx3xzhmHC7YWBe86Py8Jic5DA/640" data-type="png" data-w="535" style=""></section><p>
</p><p>最后还有函数定义：</p><p>
</p><p style="text-align:center;" align="center"><img class="rich_pages js_insertlocalimg" data-ratio="0.30925737538148523" data-s="300,640" src="https://mmbiz.qpic.cn/sz_mmbiz_png/kOTNkic5gVBF0GFNUWCSNCibsW6F9pPFvUHsu8DjoezpTxt7QDGGq5YOxBHjfs7fEfKibsBBHytLdgXicc9z3ebJjw/640" data-type="png" data-w="983" style=""></p><p style="text-align:center;" align="center">
</p><section style="text-align: left;line-height: 1.75em;">看到这里，猿妹只能自叹自己没文化了，当年没能好好动脑敲代码。</section><p>
</p><p>
</p><section style="text-align: left;line-height: 1.75em;">安装与使用
</section><p>
</p><section style="text-align: left;line-height: 1.75em;">说了这么多，要如何安装使用呢？你只需要克隆此项目, (或者直接下载 ./build/wenyan.js 然后赋予它执行权限，在终端中输入 chmod +x wenyan.js)。 之后执行 ./build/wenyan.js 把源代码编译成为目标语言。如果执行此命令不带任何参数，则输出以下帮助信息。</section><p>
</p><section style="text-align: left;line-height: 1.75em;">
</section><pre style="box-sizing: border-box;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;text-align: start;background-color: rgb(255, 255, 255);"><section style="box-sizing: border-box; margin-right: 2px; margin-left: 2px; padding: 0.5em; font-size: 12px; color: rgb(169, 183, 198); border-radius: 0px; background: rgb(40, 43, 46); display: block; overflow-x: auto; letter-spacing: 0px; text-align: left; line-height: 1.75em; overflow-wrap: normal !important; word-break: normal !important; overflow-y: auto !important; font-family: Consolas, Inconsolata, Courier, monospace;">Usage: wenyan [options] [input files]
Options:
--eval -e <string> : Give a string instead of a file (default: <span class="hljs-comment" style="box-sizing: border-box;color: #808080;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">')</span></span><br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span style="font-size: 14px;">--exec -x <<span class="hljs-built_in" style="box-sizing: border-box;color: #F82375;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">boolean</span>> : Execute output (<span class="hljs-keyword" style="box-sizing: border-box;color: #F82375;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">default</span>: false')
--inspect -i <boolean> : Interactive REPL (default: <span class="hljs-literal" style="box-sizing: border-box;color: #AE87FA;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">false</span><span class="hljs-comment" style="box-sizing: border-box;color: #808080;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">')</span></span><br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span style="font-size: 14px;">--lang -l <<span class="hljs-built_in" style="box-sizing: border-box;color: #F82375;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">string</span>> : Language: js/py (<span class="hljs-keyword" style="box-sizing: border-box;color: #F82375;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">default</span>: js')
--log <string> : Log file (default: /dev/null<span class="hljs-comment" style="box-sizing: border-box;color: #808080;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">')</span></span><br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span style="font-size: 14px;">--output -o <<span class="hljs-built_in" style="box-sizing: border-box;color: #F82375;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">string</span>> : Output file (<span class="hljs-keyword" style="box-sizing: border-box;color: #F82375;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">default</span>: /dev/stdout')
--roman -r <boolean> : Romanize identifiers (default: `true')
</section></pre><p>
</p><section style="text-align: left;line-height: 1.75em;">然后就可以尝试编译几个简单的例子啦：</section><p>
</p><section style="text-align: left;line-height: 1.75em;">
</section><pre style="box-sizing: border-box;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;text-align: start;background-color: rgb(255, 255, 255);"><section style="box-sizing: border-box; margin-right: 2px; margin-left: 2px; padding: 0.5em; font-size: 12px; color: rgb(169, 183, 198); border-radius: 0px; background: rgb(40, 43, 46); display: block; overflow-x: auto; letter-spacing: 0px; text-align: left; line-height: 1.75em; overflow-wrap: normal !important; word-break: normal !important; overflow-y: auto !important; font-family: Consolas, Inconsolata, Courier, monospace;">./build/wenyan.js examples/helloworld.wy -o helloworld.js
</section></pre><p>
</p><section style="text-align: left;line-height: 1.75em;">如果你只是尝鲜，就通过前面的IDE地址就可以体验啦。</section><p>
</p><p>
</p><section style="text-align: left;line-height: 1.75em;">关于作者
</section><section>
</section><section style="text-align: left;line-height: 1.75em;">作者是一名卡内基梅隆大学的大四学生，将在2020年取得计算机科学学位，虽然还未毕业但已经有多个实习经历。也有自己的个人项目网站。</section><p style="text-align:center;" align="center">
</p><section style="text-align: center;line-height: 1.75em;"><img class="rich_pages js_insertlocalimg" data-ratio="2.5234375" data-s="300,640" src="https://mmbiz.qpic.cn/sz_mmbiz_jpg/kOTNkic5gVBF0GFNUWCSNCibsW6F9pPFvUGzvtKcADGs67sQbcd20g11F4WiaRmG0LibzbEyje07hLufXxiayY0hB5Q/640?wx_fmt=jpeg" data-type="jpeg" data-w="1280" style="width:95%;height:auto;"></section><p style="text-align:center;" align="center">
</p><section style="text-align: left;line-height: 1.75em;">通过他的Github主页，你还可以找到很多有趣的项目，例如可以用程序无限生成的中国山水画，age2death（抖音很火的看着自己慢慢变老），edges2calligraphy（把你的涂鸦变成中国书法）格律诗编辑程序，隐士等等，从这些项目可以看出，这是一个对中国文化很感兴趣的小哥哥。</section><p>
</p><p style="text-align:left;" align="left">最后再附上他的主页地址：https://lingdong.works/</p><p>
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