{"id":205382,"date":"2025-05-29T16:59:34","date_gmt":"2025-05-29T08:59:34","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205382\/"},"modified":"2025-05-29T16:59:34","modified_gmt":"2025-05-29T08:59:34","slug":"%e9%87%8d%e6%9e%84%e8%a7%84%e5%88%99%e5%bc%95%e6%93%8e-dsl","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205382\/","title":{"rendered":"\u91cd\u6784\u89c4\u5219\u5f15\u64ce DSL"},"content":{"rendered":"

<\/b> <\/p>\n

\u91cd\u6784\u89c4\u5219\u5f15\u64ce DSL<\/h1>\n

\u6765\u5230\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60\u6587\u7ae0\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300a\u91cd\u6784\u89c4\u5219\u5f15\u64ce DSL\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n

\u51e0\u5e74\u524d\uff0c\u6211\u91cd\u65b0\u5b9e\u73b0\u4e86\u4e00\u79cd\u6700\u521d\u4e3a\u5de5\u4f5c\u4e2d\u7684\u89c4\u5219\u5f15\u64ce\u8bbe\u8ba1\u7684\u9886\u57df\u7279\u5b9a\u8bed\u8a00\uff08dsl\uff09\u3002\u8be5\u73a9\u5177\u91cd\u65b0\u5b9e\u73b0\u662f\u7528 javascript \u7f16\u5199\u7684\uff08\u6700\u521d\u662f\u7528 python \u7f16\u5199\u7684\uff09\uff0c\u5e76\u53d1\u5e03\u5230 github\u3002\u6211\u6ca1\u60f3\u5230\u5b83\u80fd\u505a\u592a\u591a\u4e8b\u60c5\uff0c\u56e0\u4e3a\u5b83\u662f\u4e13\u95e8\u4e3a\u4e00\u4e2a\u975e\u5e38\u5177\u4f53\u7684\u7528\u4f8b\u800c\u8bbe\u8ba1\u7684\uff0c\u6211\u4e0d\u5e94\u8be5\u900f\u9732\u3002<\/p>\n


bing\u526f\u9a7e\u9a76\u5410\u7684\u4e00\u5f20\u6709\u70b9\u53ef\u7231\u7684\u7167\u7247<\/em><\/p>\n

\u8bbe\u8ba1\u7684\u4e3b\u8981\u76ee\u6807\u662f\u53ef\u4ee5\u8f7b\u677e\u5e8f\u5217\u5316\u3002\u56fe\u7075\u5b8c\u5907\u6027\u4e0d\u662f\u95ee\u9898\uff0c\u56e0\u4e3a\u6211\u53ea\u9700\u8981\u5b83\u505a\u4e24\u4ef6\u4e8b\uff1a<\/p>\n

    \n
  1. \u7b80\u5355\u7684\u5e03\u5c14\u6bd4\u8f83\uff08\u5982\u679c x == \u5230 y\uff09<\/li>\n
  2. \u4ece\u5b57\u5178\/\u54c8\u5e0c\u4e2d\u7684\u5b57\u6bb5\u83b7\u53d6\u503c<\/li>\n<\/ol>\n

    \u6211\u9996\u5148\u5f00\u59cb\u7528 python \u7f16\u5199\u533f\u540d\u51fd\u6570\u3002\u7136\u800c\uff0c\u5f53\u6211\u5c1d\u8bd5\u5c06\u5de5\u4f5c\u5206\u6563\u5230\u4e00\u7ec4\u7ebf\u7a0b\/\u8fdb\u7a0b\u65f6\uff0c\u89e3\u91ca\u5668\u62b1\u6028 lambda \u4e0d\u53ef\u5e8f\u5217\u5316\u3002\u5f53\u65f6\uff0c\u6211\u9700\u8981\u5c06\u903b\u8f91\u7f6e\u4e8e\u4e3b\u4ee3\u7801\u4e4b\u5916\uff0c\u56e0\u6b64\u6211\u6700\u7ec8\u4e3a\u6b64\u76ee\u7684\u521b\u5efa\u4e86 dsl\u3002<\/p>\n

    \u9996\u5148\u60f3\u5230\u7684\u662f lisp\uff0c\u56e0\u4e3a\u6211\u559c\u6b22\u4ee3\u7801\u6709\u70b9\u7c7b\u4f3c\u4e8e\u6570\u7ec4\/\u5217\u8868\u3002\u76f8\u4f3c\u6027\u662f\u4e00\u4ef6\u597d\u4e8b\uff0c\u56e0\u4e3a\u6211\u5df2\u7ecf\u5c06\u914d\u7f6e\u5b58\u50a8\u5728 yaml \u4e2d\u3002\u56e0\u6b64\uff0c\u6211\u4e0d\u5fc5\u62c5\u5fc3\u521b\u5efa\u4e00\u79cd\u65b0\u7684\u65b9\u5f0f\u6765\u8868\u793a\u903b\u8f91\u3002<\/p>\n

    \u5c06\u8bed\u8a00\u4fdd\u5b58\u4e3a\u5217\u8868\u5e26\u6765\u4e86\u53e6\u4e00\u4e2a\u4f18\u70b9\uff0c\u6211\u4e0d\u9700\u8981\u4ece\u5934\u5f00\u59cb\u521b\u5efa\u89e3\u6790\u5668\uff0c\u5373\u4e0d\u9700\u8981\u6807\u8bb0\/\u6267\u884c\u8bcd\u6cd5\u5206\u6790\uff08\u8bcd\u6cd5\u5206\u6790\u5668\uff09\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u4f5c\u8005\u5c31\u662f\u8bcd\u6cd5\u5206\u6790\u8005\u3002\u6211\u9700\u8981\u5b9e\u73b0\u7684\u5c31\u662f\u83b7\u53d6\u8f93\u5165\u5217\u8868\uff0c\u67e5\u627e\u5b83\u662f\u5426\u662f\u4e00\u4e2a\u7a0b\u5e8f\uff08\u6211\u4eec\u79f0\u4e4b\u4e3a\u89c4\u5219\uff09\uff0c\u7136\u540e\u6839\u636e\u4e0a\u4e0b\u6587\u6267\u884c\u5b83\u3002<\/p>\n

    const schema = [\"condition.equal\", [\"basic.field\", \"foo\"], [\"basic.field\", \"bar\"]];\n\n\/\/ returns a function that checks if context.foo === context.bar\nconst rule = ruler.parse(rule)\n\nconst context = {foo: \"meow\", bar: \"woof\"};\nrule(context) \/\/ returns false\n<\/pre>\n
    \u4e00\u5207\u987a\u5229\uff0c\u7b26\u5408\u9884\u671f\u3002\u7136\u540e\u51e0\u5929\u524d\u6211\u5076\u7136\u53d1\u73b0\u4e86\u4e00\u7bc7\u7528python\u5b9e\u73b0\u65b9\u6848\u7684\u6587\u7ae0\u3002\u6211\u4e4b\u524d\u53ef\u80fd\u8bfb\u8fc7\u8fd9\u7bc7\u6587\u7ae0\uff0c\u5f53\u65f6\u6211\u82b1\u4e86\u5f88\u591a\u65f6\u95f4\u5b66\u4e60 clojure\u3002\u7136\u800c\uff0c\u8fd9\u4e00\u6b21\uff0c\u6211\u51b3\u5b9a\u518d\u6b21\u4f7f\u7528 python \u91cd\u65b0\u5b9e\u73b0\u8be5\u5e93\u3002<\/p>\n
    \u6240\u4ee5\u8fd9\u6b21\u6211\u9700\u8981\u6807\u8bb0\u5316\uff0c\u5e76\u81ea\u5df1\u6267\u884c\u8bcd\u6cd5\u5206\u6790\u5668\u3002\u5982\u679c\u6211\u53ea\u5904\u7406\u6570\u5b57\uff0c\u4e00\u5207\u90fd\u5f88\u7b80\u5355\uff0c\u4f46\u662f\u5f53\u6d89\u53ca\u5230\u5b57\u7b26\u4e32\u65f6\uff0c\u4e8b\u60c5\u5c31\u4f1a\u53d8\u5f97\u66f4\u52a0\u590d\u6742\u3002\u6211\u9075\u5faa\u4e86\u53e6\u4e00\u4e2a\u6559\u7a0b\uff0c\u5e76\u91cd\u65b0\u53d1\u73b0\u4e86 make-a-lisp \u9879\u76ee\u3002\u6700\u7ec8\u6211\u653e\u5f03\u4e86\uff0c\u4f7f\u7528\u4e86hy-lang\u63d0\u4f9b\u7684\u8bcd\u6cd5\u5206\u6790\u5668\u3002<\/p>\n
    \u8bcd\u6cd5\u5206\u6790\u5668\u91c7\u7528 s \u8868\u8fbe\u5f0f\uff0c\u5e76\u8fd4\u56de\u7c7b\u4f3c\u4e8e\u62bd\u8c61\u8bed\u6cd5\u6811\u7684\u7ed3\u6784\u3002\u4ece\u90a3\u91cc\uff0c\u6211\u901a\u8fc7\u904d\u5386\u6811\u6765\u6784\u5efa\u6211\u7684\u89e3\u6790\u5668\uff0c\u5c06\u89c4\u5219\u4f5c\u4e3a\u4ee5\u5b57\u5178\u4f5c\u4e3a\u4e0a\u4e0b\u6587\u7684\u95ed\u5305\u8fd4\u56de\u3002<\/p>\n
    import genruler\n\nschema = '(condition.equal (basic.field \"foo\") (basic.field \"bar\"))'\n\n# returns a function that checks if context.foo === context.bar\nrule = genruler.parse(schema)\n\ncontext ={\"foo\": \"meow\", \"bar\": \"woof\"};\nrule(context) # returns false\n<\/pre>\n
    \u65b0\u7684\u5b9e\u65bd\u5e76\u6ca1\u6709\u771f\u6b63\u7684\u4f18\u52bf\uff0c\u56e0\u4e3a\u6211\u5df2\u7ecf\u79bb\u5f00\u8fd9\u4efd\u5de5\u4f5c\u51e0\u5e74\u4e86\u3002\u6211\u7559\u4e0b\u7684\u5b9e\u73b0\u5230\u76ee\u524d\u4e3a\u6b62\u53ef\u80fd\u4ecd\u7136\u8fd0\u884c\u826f\u597d\uff08\u6700\u597d\u662f\u5728\u7ecf\u8fc7\u591a\u6b21\u8fed\u4ee3\u4e4b\u540e\u624d\u5b9e\u73b0\uff09\u3002\u7136\u800c\uff0c\u5728\u6574\u4e2a\u65c5\u7a0b\u4e2d\u6211\u4ecd\u7136\u5b66\u5230\u4e86\u4e00\u4e24\u4ef6\u4e8b\u3002\u5982\u679c\u60a8\u89c9\u5f97\u8fd9\u5f88\u6709\u8da3\uff0c\u8bf7\u968f\u610f\u67e5\u770b javascript\uff08\u5b83\u9700\u8981\u6570\u7ec4\u4e2d\u7684\u89c4\u5219\u6a21\u5f0f\uff09\u6216\u65b0\u7684 python \u7248\u672c\uff08s-\u8868\u8fbe\u5f0f\uff09\u3002<\/p>\n
    \u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300a\u91cd\u6784\u89c4\u5219\u5f15\u64ce DSL\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n
          \u7248\u672c\u58f0\u660e \u672c\u6587\u8f6c\u8f7d\u4e8e\uff1adev.to \u5982\u6709\u4fb5\u72af\uff0c\u8bf7\u8054\u7cfb\u5220\u9664<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u91cd\u6784\u89c4\u5219\u5f15\u64ce DSL \u6765\u5230\u7684\u5927\u5bb6...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-205382","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205382","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=205382"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205382\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205382"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205382"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205382"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}