{"id":11529,"date":"2023-06-29T21:24:28","date_gmt":"2023-06-29T13:24:28","guid":{"rendered":"http:\/\/123.57.164.21\/?p=11529"},"modified":"2023-06-30T08:22:40","modified_gmt":"2023-06-30T00:22:40","slug":"%e8%bd%af%e4%bb%b6%e5%bc%80%e5%8f%91%e5%85%a5%e9%97%a8%e9%9c%80%e8%a6%81%e4%ba%86%e8%a7%a3%e7%9a%84%e5%9f%ba%e7%a1%80%e7%bc%96%e8%af%91%e5%8e%9f%e7%90%86%e5%92%8c%e8%af%ad%e8%a8%80%e7%9f%a5%e8%af%86","status":"publish","type":"post","link":"https:\/\/92it.top\/?p=11529","title":{"rendered":"\u8f6f\u4ef6\u5f00\u53d1\u5165\u95e8\u9700\u8981\u4e86\u89e3\u7684\u57fa\u7840\u7f16\u8bd1\u539f\u7406\u548c\u8bed\u8a00\u77e5\u8bc6"},"content":{"rendered":"\n<p>\u5728\u6211\u521a\u521a\u8fdb\u5165\u5927\u5b66\uff0c\u4ece\u96f6\u5f00\u59cb\u5b66\u4e60 C \u8bed\u8a00\u7684\u65f6\u5019\uff0c\u6211\u5c31\u4e0d\u65ad\u7684\u4ece\u5b66\u957f\u7684\u53e3\u4e2d\u542c\u5230\u4e00\u4e2a\u53c8\u4e00\u4e2a\u8bed\u8a00\uff0c\u6bd4\u5982 C++\u3001Java\u3001Python\u3001JavaScript \u8fd9\u4e9b\u5927\u4f17\u7684\uff0c\u4e5f\u6709 Lisp\u3001Perl\u3001Ruby \u8fd9\u4e9b\u76f8\u5bf9\u5c0f\u4f17\u7684\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u5f53\u7a0b\u5e8f\u5458\u8ba8\u8bba\u4e00\u95e8\u8bed\u8a00\u7684\u65f6\u5019\uff0c\u9ed8\u8ba4\u7684\u4e0a\u4e0b\u6587\u7ecf\u5e38\u662f:\u201c\u7528 xxx \u8bed\u8a00\u6765\u5b8c\u6210 xxx \u4efb\u52a1\u201d\u3002\u6240\u4ee5\u4e00\u76f4\u56f0\u6270\u7740\u7684\u6211\u7684\u4e00\u4e2a\u95ee\u9898\u5c31\u662f\uff0c\u4e3a\u4ec0\u4e48\u5b8c\u6210\u67d0\u4e2a\u4efb\u52a1\uff0c\u4e00\u5b9a\u8981\u9009\u62e9\u7279\u5b9a\u7684\u8bed\u8a00\uff0c\u6bd4\u5982\u5b89\u5353\u5f00\u53d1\u662f Java\uff0c\u524d\u7aef\u8981\u7528 JavaScript\uff0ciOS \u5f00\u53d1\u4f7f\u7528 Objective-C \u6216\u8005 Swift\u3002\u8fd9\u4e9b\u95ee\u9898\u7684\u7b54\u6848\u975e\u5e38\u590d\u6742\uff0c\u6709\u7684\u662f\u6280\u672f\u539f\u56e0\uff0c\u6709\u7684\u662f\u5386\u53f2\u539f\u56e0\uff0c\u6709\u7684\u4f1a\u8003\u8651\u6210\u672c\uff0c\u5f88\u96be\u5f97\u51fa\u7edf\u4e00\u7684\u7ed3\u8bba\uff0c\u53ea\u80fd case-by-case \u7684\u5206\u6790\u3002\u8fd9\u7bc7\u6587\u7ae0\u5e76\u975e\u4e13\u95e8\u89e3\u7b54\u4e0a\u8ff0\u95ee\u9898\uff0c\u800c\u662f\u5e0c\u671b\u901a\u8fc7\u4ecb\u7ecd\u4e00\u4e9b\u901a\u7528\u7684\u6982\u5ff5\uff0c\u5e2e\u52a9\u8bfb\u8005\u638c\u63e1\u5206\u6790\u95ee\u9898\u7684\u80fd\u529b\uff0c\u5982\u679c\u8fd9\u4e2a\u6982\u5ff5\u5728\u5b9e\u9645\u7f16\u7a0b\u4e2d\u7528\u5f97\u5230\uff0c\u6211\u4e5f\u4f1a\u4e3e\u4e00\u4e9b\u5177\u4f53\u7684\u4f8b\u5b50\u3002<\/p>\n\n\n\n<p>\u5728\u9605\u8bfb\u672c\u6587\u524d\uff0c\u4e0d\u59a8\u601d\u8003\u4e00\u4e0b\u8fd9\u51e0\u4e2a\u95ee\u9898\uff0c\u5982\u679c\u6ca1\u6709\u5934\u7eea\uff0c\u5efa\u8bae\u770b\u5b8c\u6587\u7ae0\u4ee5\u540e\u518d\u601d\u8003\u4e00\u904d\u3002\u5982\u679c\u89c9\u5f97\u7b54\u6848\u663e\u800c\u6613\u89c1\uff0c\u606d\u559c\u4f60\uff0c\u8fd9\u7bc7\u6587\u7ae0\u5e76\u975e\u4e3a\u4f60\u51c6\u5907\u7684:<\/p>\n\n\n\n<ol><li>\u4ec0\u4e48\u662f\u7f16\u8bd1\u5668\uff0c\u5b83\u4ee5\u4ec0\u4e48\u4e3a\u5206\u754c\u7ebf\uff0c\u5206\u4e3a\u524d\u7aef\u548c\u540e\u7aef\uff1f<\/li><li>Java \u662f\u7f16\u8bd1\u578b\u8bed\u8a00\u8fd8\u662f\u89e3\u91ca\u578b\u8bed\u8a00\uff0cPython \u5462\uff1f<\/li><li>C \u8bed\u8a00\u7684\u7f16\u8bd1\u5668\u4e5f\u662f C \u8bed\u8a00\uff0c\u90a3\u5b83\u600e\u4e48\u88ab\u7f16\u8bd1\u7684\uff1f<\/li><li>\u76ee\u6807\u6587\u4ef6\u7684\u683c\u5f0f\u662f\u4ec0\u4e48\u6837\u7684\uff0c\u6bb5\u8868\u3001\u7b26\u53f7\u8868\u3001\u91cd\u5b9a\u4f4d\u8868\u6709\u4ec0\u4e48\u4f5c\u7528\uff1f<\/li><li>Swift \u662f\u9759\u6001\u8bed\u8a00\uff0c\u4e3a\u4ec0\u4e48\u8fd8\u6709\u8fd0\u884c\u65f6\u5e93\uff1f<\/li><li>\u4ec0\u4e48\u662f ABI\uff0cABI \u4e0d\u7a33\u5b9a\u6709\u4ec0\u4e48\u95ee\u9898\uff1f<\/li><li>\u4ec0\u4e48\u662f WebAssembly\uff0c\u4e3a\u4ec0\u4e48\u8981\u63a8\u51fa\u8fd9\u95e8\u6280\u672f\uff0c\u7528 C++ \u4ee3\u66ff JavaScript \u53ef\u884c\u4e48\uff1f<\/li><li>JavaScript \u548c DOM API \u662f\u4ec0\u4e48\u5173\u7cfb\uff0cJavaScript \u53ef\u4ee5\u8bfb\u5199\u6587\u4ef6\u4e48\uff1f<\/li><li>C++ \u4ee3\u7801\u53ef\u4ee5\u81ea\u52a8\u8f6c\u6362\u6210 Java \u4ee3\u7801\u4e48\uff0c\u4efb\u610f\u4e24\u79cd\u8bed\u8a00\u662f\u5426\u53ef\u4ee5\u4e92\u8f6c\uff1f<\/li><li>\u4e3a\u4ec0\u4e48\u8bf4 Python \u662f\u80f6\u6c34\u8bed\u8a00\uff0c\u5b83\u53ef\u4ee5\u7528\u6765\u5f00\u53d1 iOS\/Android \u4e48\uff1f<\/li><\/ol>\n\n\n\n<p><strong>\u7f16\u8bd1\u539f\u7406<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u5c31\u50cf\u6570\u5b66\u662f\u4e00\u4e2a\u516c\u7406\u4f53\u7cfb\uff0c\u4ece\u7b80\u5355\u7684\u516c\u7406\u5c31\u80fd\u63a8\u5bfc\u51fa\u5404\u79cd\u9ad8\u9636\u516c\u5f0f\u4e00\u6837\uff0c\u6211\u4eec\u4ece\u6700\u57fa\u672c\u7684 C \u8bed\u8a00\u548c\u7f16\u8bd1\u8bf4\u8d77\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">int main(void) {\n    int a = strlen(\"Hello world\");  \/\/ \u5b57\u7b26\u4e32\u7684\u957f\u5ea6\u662f 11\n    return 0;\n}<\/pre>\n\n\n\n<p>\u76f8\u5173\u7684\u4ecb\u7ecd\u7f16\u8bd1\u8fc7\u7a0b\u7684\u6587\u7ae0\u5f88\u591a\uff0c\u8bfb\u8005\u5e94\u8be5\u90fd\u975e\u5e38\u719f\u6089\u4e86\uff0c\u6574\u4e2a\u6d41\u7a0b\u5305\u62ec<strong>\u9884\u5904\u7406<\/strong>\u3001<strong>\u8bcd\u6cd5\u5206\u6790<\/strong>\u3001<strong>\u8bed\u6cd5\u5206\u6790<\/strong>\u3001<strong>\u751f\u6210\u4e2d\u95f4\u4ee3\u7801<\/strong>\uff0c<strong>\u751f\u6210\u76ee\u6807\u4ee3\u7801<\/strong>\uff0c<strong>\u6c47\u7f16<\/strong>\uff0c<strong>\u94fe\u63a5<\/strong> \u7b49\u3002\u5df2\u6709\u7684\u6587\u7ae0\u5927\u591a\u5206\u6790\u4e86\u6bcf\u4e00\u6b65\u7684\u903b\u8f91\uff0c\u4f46\u5f88\u5c11\u8c08\u5b9e\u73b0\u601d\u8def\uff0c\u6211\u4f1a\u5c3d\u91cf\u7528\u7b80\u5355\u7684\u8bed\u8a00\u6765\u63cf\u8ff0\u6bcf\u4e00\u6b65\u7684\u5b9e\u73b0\u601d\u8def\uff0c\u76f8\u4fe1\u8fd9\u6837\u6709\u52a9\u4e8e\u52a0\u6df1\u8bb0\u5fc6\u3002\u7531\u4e8e\u4e3b\u8981\u8c08\u7684\u6982\u5ff5\u548c\u601d\u8def\uff0c\u96be\u514d\u4f1a\u6709\u4e00\u4e9b\u4e0d\u591f\u51c6\u786e\u7684\u62bd\u8c61\uff0c\u8bfb\u8005\u5b66\u4f1a\u6293\u91cd\u70b9\u5c31\u884c\u3002<\/p>\n\n\n\n<p>\u9884\u5904\u7406\u662f\u4e00\u4e2a\u72ec\u7acb\u7684\u6a21\u5757\uff0c\u5b83\u653e\u5728\u6700\u540e\u4ecb\u7ecd\uff0c\u6211\u4eec\u5148\u770b\u8bcd\u6cd5\u5206\u6790\u3002<\/p>\n\n\n\n<p><strong>\u8bcd\u6cd5\u5206\u6790<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u6700\u5148\u767b\u573a\u7684\u662f\u7f16\u8bd1\u5668\uff0c\u5b83\u8d1f\u8d23\u524d\u4e94\u4e2a\u6b65\u9aa4\uff0c\u4e5f\u5c31\u662f\u8bf4\u7f16\u8bd1\u5668\u7684\u8f93\u5165\u662f\u6e90\u4ee3\u7801\uff0c\u8f93\u51fa\u662f\u4e2d\u95f4\u4ee3\u7801\u3002<\/p>\n\n\n\n<p>\u7f16\u8bd1\u5668\u4e0d\u80fd\u50cf\u4eba\u4e00\u6837\uff0c\u4e00\u773c\u5c31\u770b\u660e\u767d\u6e90\u4ee3\u7801\u7684\u5185\u5bb9\uff0c\u5b83\u53ea\u80fd\u6bd4\u8f83\u50bb\u7684\u9010\u4e2a\u5355\u8bcd\u5206\u6790\u3002\u8bcd\u6cd5\u5206\u6790\u8981\u505a\u7684\u5c31\u662f\u628a\u6e90\u4ee3\u7801\u5206\u5272\u5f00\uff0c\u5f62\u6210\u82e5\u5e72\u4e2a\u5355\u8bcd\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u5e76\u4e0d\u50cf\u60f3\u8c61\u7684\u90a3\u4e48\u7b80\u5355\u3002\u6bd4\u5982\u4e3e\u51e0\u4e2a\u4f8b\u5b50:<\/p>\n\n\n\n<ul><li><code>int t<\/code> \u8868\u793a\u4e00\u4e2a\u6574\u6570\uff0c\u800c <code>intt<\/code> \u53ea\u662f\u4e00\u4e2a\u53d8\u91cf\u540d\u3002<\/li><li><code>int a()<\/code> \u8868\u793a\u4e00\u4e2a\u51fd\u6570\u800c\u975e\u6574\u6570 a\uff0c<code>int a ()<\/code> \u4e5f\u662f\u4e00\u4e2a\u51fd\u6570\u3002<\/li><li><code>a =<\/code> \u6ca1\u6709\u5177\u4f53\u4ef7\u503c\uff0c\u5b83\u53ef\u4ee5\u662f\u4e00\u4e2a\u8d4b\u503c\u8bed\u53e5\uff0c\u8fd8\u53ef\u4ee5\u662f <code>a == 1<\/code> \u7684\u524d\u7f00\uff0c\u8868\u793a\u4e00\u4e2a\u5224\u65ad\u3002<\/li><\/ul>\n\n\n\n<p>\u8bcd\u6cd5\u5206\u6790\u7684\u4e3b\u8981\u96be\u70b9\u5728\u4e8e\uff0c\u524d\u7f00\u65e0\u6cd5\u51b3\u5b9a\u4e00\u4e2a\u5b8c\u6574\u5b57\u7b26\u4e32\u7684\u542b\u4e49\uff0c\u901a\u5e38\u9700\u8981\u770b\u5b8c\u6574\u53e5\u4ee5\u540e\u624d\u77e5\u9053\u6bcf\u4e2a\u5355\u8bcd\u7684\u5177\u4f53\u542b\u4e49\u3002\u540c\u65f6\uff0cC \u8bed\u8a00\u7684\u8bed\u6cd5\u4e5f\u4e0d\u7b80\u5355\uff0c\u5404\u79cd\u5173\u952e\u5b57\uff0c\u62ec\u53f7\uff0c\u9017\u53f7\uff0c\u8bed\u6cd5\u7b49\u7b49\u90fd\u4f1a\u7ed9\u8bcd\u6cd5\u5206\u6790\u7684\u5b9e\u73b0\u589e\u52a0\u96be\u5ea6\u3002<\/p>\n\n\n\n<p>\u8bcd\u6cd5\u5206\u6790\u7684\u4e3b\u8981\u5b9e\u73b0\u539f\u7406\u662f\u72b6\u6001\u673a\uff0c\u5b83\u9010\u4e2a\u8bfb\u53d6\u5b57\u7b26\uff0c\u7136\u540e\u6839\u636e\u8bfb\u5230\u7684\u5b57\u7b26\u7684\u7279\u70b9\u8f6c\u6362\u72b6\u6001\u3002\u6bd4\u5982\u8fd9\u662f GCC \u7684\u8bcd\u6cd5\u5206\u6790\u72b6\u6001\u673a(\u5f15\u7528\u81ea\u300a\u7f16\u8bd1\u7cfb\u7edf\u900f\u89c6\u300b):<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2023\/06\/v2-e9013e029167ded0b079f0af79cf45f0_1440w-414x1024.png\" alt=\"\" class=\"wp-image-11530\" width=\"260\" height=\"643\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/v2-e9013e029167ded0b079f0af79cf45f0_1440w-414x1024.png 414w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/v2-e9013e029167ded0b079f0af79cf45f0_1440w-121x300.png 121w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/v2-e9013e029167ded0b079f0af79cf45f0_1440w-230x569.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/v2-e9013e029167ded0b079f0af79cf45f0_1440w-350x867.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/v2-e9013e029167ded0b079f0af79cf45f0_1440w-480x1188.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/v2-e9013e029167ded0b079f0af79cf45f0_1440w.png 517w\" sizes=\"(max-width: 260px) 100vw, 260px\" \/><\/figure><\/div>\n\n\n\n<p>\u5982\u679c\u81ea\u5df1\u5b9e\u73b0\u7684\u8bdd\uff0c\u601d\u8def\u4e5f\u4e0d\u96be\u3002\u5916\u9762\u5305\u4e00\u4e2a\u5faa\u73af\uff0c\u7136\u540e\u5404\u79cd <code>switch...case<\/code> \u5c31\u5b8c\u4e8b\u4e86\u3002\u8bcd\u6cd5\u5206\u6790\u5e94\u8be5\u7b97\u662f\u6700\u7b80\u5355\u7684\u4e00\u8282\u3002<\/p>\n\n\n\n<p><strong>\u8bed\u6cd5\u5206\u6790<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u7ecf\u8fc7\u8bcd\u6cd5\u5206\u6790\u4ee5\u540e\uff0c\u7f16\u8bd1\u5668\u5df2\u7ecf\u77e5\u9053\u4e86\u6bcf\u4e2a\u5355\u8bcd\uff0c\u4f46\u8fd9\u4e9b\u5355\u8bcd\u7ec4\u5408\u8d77\u6765\u8868\u793a\u7684\u8bed\u6cd5\u8fd8\u4e0d\u6e05\u695a\u3002\u4e00\u4e2a\u7b80\u5355\u7684\u601d\u8def\u662f\u6a21\u677f\u5339\u914d\uff0c\u6bd4\u5982\u6709\u8fd9\u6837\u7684\u8bed\u53e5:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">int a = 10;<\/pre>\n\n\n\n<p>\u5b83\u5176\u5b9e\u8868\u793a\u4e86\u8fd9\u4e48\u4e00\u79cd\u901a\u7528\u7684\u8bed\u6cd5\u683c\u5f0f:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">\u7c7b\u578b \u53d8\u91cf\u540d = \u5e38\u91cf;<\/pre>\n\n\n\n<p>\u6240\u4ee5 <code>int a = 10;<\/code> \u5f53\u7136\u53ef\u4ee5\u5339\u914d\u4e0a\u8fd9\u79cd\u6a21\u5f0f\u3002\u540c\u7406\uff0c\u5b83\u4e0d\u53ef\u80fd\u5339\u914d <code>\u7c7b\u578b \u51fd\u6570\u540d(\u53c2\u6570);<\/code> \u8fd9\u79cd\u51fd\u6570\u5b9a\u4e49\u6a21\u5f0f\uff0c\u56e0\u4e3a\u4e24\u8005\u7ed3\u6784\u4e0d\u4e00\u81f4\uff0c\u7b49\u53f7\u65e0\u6cd5\u88ab\u5339\u914d\u3002<\/p>\n\n\n\n<p>\u8bed\u6cd5\u5206\u6790\u6bd4\u8bcd\u6cd5\u5206\u6790\u66f4\u590d\u6742\uff0c\u56e0\u4e3a\u6240\u6709 C \u8bed\u8a00\u652f\u6301\u7684\u8bed\u6cd5\u7279\u6027\u90fd\u5fc5\u987b\u88ab\u8bed\u6cd5\u5206\u6790\u5668\u6b63\u786e\u7684\u5339\u914d\uff0c\u8fd9\u4e2a\u96be\u5ea6\u6bd4\u7eaf\u65b0\u624b\u5b66\u4e60 C \u8bed\u8a00\u8bed\u6cd5\u96be\u4e0a\u5f88\u591a\u500d\u3002\u4e0d\u8fc7\u8fd9\u4e2a\u5c5e\u4e8e\u4e1a\u52a1\u590d\u6742\u6027\uff0c\u65e0\u8bba\u91c7\u7528\u54ea\u79cd\u89e3\u51b3\u65b9\u6848\u90fd\u4e0d\u53ef\u907f\u514d\uff0c\u56e0\u4e3a\u8bed\u6cd5\u89c4\u5219\u7684\u6570\u91cf\u5c31\u662f\u8fd9\u4e48\u591a\u3002<\/p>\n\n\n\n<p>\u5728\u5339\u914d\u6a21\u5f0f\u7684\u65f6\u5019\uff0c\u53e6\u4e00\u4e2a\u95ee\u9898\u5728\u4e8e\u4e0a\u8ff0\u7684\u540d\u8bcd\uff0c\u6bd4\u5982 <strong>\u7c7b\u578b<\/strong>\u3001<strong>\u53c2\u6570<\/strong>\uff0c\u5f88\u96be\u754c\u5b9a\u3002\u6bd4\u5982 <code>int<\/code> \u662f\u7c7b\u578b\uff0c<code>long long<\/code> \u4e5f\u662f\u7c7b\u578b\uff0c<code>unsigned long long<\/code> \u4e5f\u662f\u7c7b\u578b\u3002<code>(int a)<\/code> \u53ef\u4ee5\u662f\u53c2\u6570\uff0c<code>(int a, int b)<\/code> \u4e5f\u662f\u53c2\u6570\uff0c<code>(unsigned long long a, long long double b, int *p)<\/code> \u770b\u8d77\u6765\u80fd\u628a\u4eba\u903c\u75af\u3002<\/p>\n\n\n\n<p>\u4e0b\u9762\u4e3e\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\u6765\u89e3\u91ca <code>int a = 10<\/code> \u662f\u5982\u4f55\u88ab\u89e3\u6790\u7684\uff0c\u603b\u7684\u601d\u8def\u662f\u5f52\u7eb3\u4e0e\u5206\u89e3\u3002\u6211\u4eec\u628a\u4e00\u4e2a\u590d\u6742\u7684\u5f0f\u5b50\u5206\u5272\u6210\u82e5\u5e72\u90e8\u5206\uff0c\u7136\u540e\u5206\u6790\u5404\u4e2a\u90e8\u5206\uff0c\u8fd9\u6837\u53ef\u4ee5\u7b80\u5316\u590d\u6742\u5ea6\u3002\u5bf9\u4e8e <code>int a = 10<\/code> \u6765\u8bf4\uff0c\u4ed6\u662f\u4e00\u4e2a\u58f0\u660e\uff0c\u58f0\u660e\u7531\u4e24\u90e8\u5206\u7ec4\u6210\uff0c\u5206\u522b\u662f\u58f0\u660e\u8bf4\u660e\u7b26\u548c\u521d\u59cb\u58f0\u660e\u7b26\u5217\u8868\u3002<\/p>\n\n\n\n<p>\u58f0\u660e\u58f0\u660e\u8bf4\u660e\u7b26\u521d\u59cb\u58f0\u660e\u7b26\u5217\u8868int a = 10inta = 10int fun(int a)intfun(int a)int array[5]intarray[5]<\/p>\n\n\n\n<p>\u58f0\u660e\u8bf4\u660e\u7b26\u6bd4\u8f83\u7b80\u5355\uff0c\u5b83\u5176\u5b9e\u662f\u82e5\u5e72\u4e2a\u7c7b\u578b\u7684\u4e32\u8054:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">    \u58f0\u660e\u8bf4\u660e\u7b26 = \u7c7b\u578b + \u7c7b\u578b\u7684\u6570\u7ec4(\u957f\u5ea6\u53ef\u4ee5\u4e3a 0)<\/pre>\n\n\n\n<p>\u800c\u4e14\u6211\u4eec\u77e5\u9053\u82e5\u5e72\u4e2a\u7c7b\u578b\u8fde\u5728\u4e00\u8d77\u53c8\u53d8\u6210\u4e86\u58f0\u660e\u8bf4\u660e\u7b26\uff0c\u6240\u4ee5\u4e0a\u8ff0\u7b49\u5f0f\u7b49\u4ef7\u4e8e:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">    \u58f0\u660e\u8bf4\u660e\u7b26 = \u7c7b\u578b + \u58f0\u660e\u8bf4\u660e\u7b26(\u53ef\u9009)<\/pre>\n\n\n\n<p>\u518d\u4e25\u8c28\u4e00\u4e9b\uff0c\u58f0\u660e\u8bf4\u660e\u7b26\u8fd8\u53ef\u4ee5\u5305\u62ec <code>const<\/code> \u8fd9\u6837\u7684\u9650\u5b9a\u8bf4\u660e\u7b26\uff0c<code>inline<\/code> \u8fd9\u6837\u7684\u51fd\u6570\u8bf4\u660e\u7b26\uff0c\u548c <code>_Alignas<\/code> \u8fd9\u6837\u7684\u5bf9\u9f50\u8bf4\u660e\u7b26\u3002\u501f\u7528\u4e66\u4e2d\u7684\u516c\u5f0f\uff0c\u5b83\u7684\u5b8c\u6574\u8868\u8fbe\u5982\u4e0b:<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2023\/06\/\u56fe\u7247-55-1024x421.png\" alt=\"\" class=\"wp-image-11531\" width=\"500\" height=\"205\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/\u56fe\u7247-55-1024x421.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/\u56fe\u7247-55-300x123.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/\u56fe\u7247-55-768x316.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/\u56fe\u7247-55-830x342.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/\u56fe\u7247-55-230x95.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/\u56fe\u7247-55-350x144.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/\u56fe\u7247-55-480x198.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/\u56fe\u7247-55.png 1322w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/figure><\/div>\n\n\n\n<p>\u8fd9\u624d\u4ec5\u4ec5\u662f\u58f0\u660e\u8bed\u53e5\u4e2d\u6700\u7b80\u5355\u7684\u58f0\u660e\u8bf4\u660e\u7b26\uff0c\u4ec5\u4ec5\u662f\u51e0\u4e2a\u7c7b\u578b\u548c\u5173\u952e\u5b57\u7684\u7ec4\u5408\u800c\u5df2\u3002\u540e\u9762\u7684<strong>\u521d\u59cb\u58f0\u660e\u7b26\u5217\u8868<\/strong>\u7684\u89e3\u6790\u66f4\u590d\u6742\u3002\u5982\u679c\u6709\u80fd\u529b\u505a\u5b8c\u8fd9\u4e9b\u89e3\u6790\uff0c\u606d\u559c\u4f60\uff0c\u6210\u529f\u7684\u89e3\u6790\u4e86\u58f0\u660e\u8bed\u53e5\u3002\u4f60\u4f1a\u53d1\u73b0\u4ec0\u4e48\u5b9a\u4e49\u8bed\u53e5\u5566\uff0c\u8c03\u7528\u8bed\u53e5\u5566\uff0c\u6b63\u59a9\u5a9a\u7684\u5411\u4f60\u62db\u624b\u256e(\u256f\u25bd\u2570)\u256d\u3002<\/p>\n\n\n\n<p>\u6210\u529f\u89e3\u6790\u8bed\u6cd5\u4ee5\u540e\uff0c\u6211\u4eec\u4f1a\u5f97\u5230\u62bd\u8c61\u8bed\u6cd5\u6811(AST: Abstract Syntax Tree)\u3002\u4ee5\u8fd9\u6bb5\u4ee3\u7801\u4e3a\u4f8b:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">int fun(int a, int b) {\n    int c = 0;\n    c = a + b;\n    return c;\n}<\/pre>\n\n\n\n<p>\u5b83\u7684\u8bed\u6cd5\u6811\u5982\u4e0b:<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2023\/06\/\u56fe\u7247-56-1024x612.png\" alt=\"\" class=\"wp-image-11532\" width=\"401\" height=\"240\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/\u56fe\u7247-56-1024x612.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/\u56fe\u7247-56-300x179.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/\u56fe\u7247-56-768x459.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/\u56fe\u7247-56-830x496.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/\u56fe\u7247-56-230x138.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/\u56fe\u7247-56-350x209.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/\u56fe\u7247-56-480x287.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/\u56fe\u7247-56.png 1418w\" sizes=\"(max-width: 401px) 100vw, 401px\" \/><\/figure><\/div>\n\n\n\n<p>\u8bed\u6cd5\u6811\u5c06\u5b57\u7b26\u4e32\u683c\u5f0f\u7684\u6e90\u4ee3\u7801\u8f6c\u5316\u4e3a\u6811\u72b6\u7684\u6570\u636e\u7ed3\u6784\uff0c\u66f4\u5bb9\u6613\u88ab\u8ba1\u7b97\u673a\u7406\u89e3\u548c\u5904\u7406\u3002\u4f46\u5b83\u8ddd\u79bb\u4e2d\u95f4\u4ee3\u7801\u8fd8\u6709\u4e00\u5b9a\u7684\u8ddd\u79bb\u3002<\/p>\n\n\n\n<p><strong>\u751f\u6210\u4e2d\u95f4\u4ee3\u7801<\/strong><\/p>\n\n\n\n<p>\u4ee5 GCC \u4e3a\u4f8b\uff0c\u751f\u6210\u4e2d\u95f4\u4ee3\u7801\u53ef\u4ee5\u5206\u4e3a\u4e09\u4e2a\u6b65\u9aa4:<\/p>\n\n\n\n<ol><li>\u8bed\u6cd5\u6811\u8f6c\u9ad8\u7aef gimple<\/li><li>\u9ad8\u7aef gimple \u8f6c\u4f4e\u7aef gimple<\/li><li>\u4f4e\u7aef gimple \u7ecf\u8fc7 cfa \u8f6c ssa \u518d\u8f6c\u4e2d\u95f4\u4ee3\u7801<\/li><\/ol>\n\n\n\n<p>\u7b80\u5355\u7684\u4ecb\u7ecd\u4e00\u4e0b\u6bcf\u4e00\u6b65\u90fd\u505a\u4e86\u4ec0\u4e48\u3002<\/p>\n\n\n\n<p><strong>\u8bed\u6cd5\u6811\u8f6c\u9ad8\u7aef gimple<\/strong><\/p>\n\n\n\n<p>\u8fd9\u4e00\u6b65\u4e3b\u8981\u662f\u5904\u7406\u5bc4\u5b58\u5668\u548c\u6808\uff0c\u6bd4\u5982 <code>c = a + b<\/code> \u5e76\u6ca1\u6709\u76f4\u63a5\u7684\u6c47\u7f16\u4ee3\u7801\u548c\u5b83\u5bf9\u5e94\uff0c\u4e00\u822c\u6765\u8bf4\u9700\u8981\u628a <code>a + b<\/code> \u7684\u7ed3\u679c\u4fdd\u5b58\u5230\u5bc4\u5b58\u5668\u4e2d\uff0c\u7136\u540e\u518d\u628a\u5bc4\u5b58\u5668\u8d4b\u503c\u7ed9 c\u3002\u6240\u4ee5\u8fd9\u4e00\u6b65\u5982\u679c\u7528 C \u8bed\u8a00\u6765\u8868\u793a\u5176\u5b9e\u662f:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">int temp = a + b; \/\/ temp \u5176\u5b9e\u662f\u5bc4\u5b58\u5668\nc =  temp;<\/pre>\n\n\n\n<p>\u53e6\u5916\uff0c\u8c03\u7528\u4e00\u4e2a\u65b0\u7684\u51fd\u6570\u65f6\u4f1a\u8fdb\u5165\u5230\u51fd\u6570\u81ea\u5df1\u7684\u6808\uff0c\u5efa\u6808\u7684\u64cd\u4f5c\u4e5f\u9700\u8981\u5728 gimple \u4e2d\u58f0\u660e\u3002<\/p>\n\n\n\n<p><strong>\u9ad8\u7aef gimple \u8f6c\u4f4e\u7aef gimple<\/strong><\/p>\n\n\n\n<p>\u8fd9\u4e00\u6b65\u4e3b\u8981\u662f\u628a\u53d8\u91cf\u5b9a\u4e49\uff0c\u8bed\u53e5\u6267\u884c\u548c\u8fd4\u56de\u8bed\u53e5\u533a\u5206\u5b58\u50a8\u3002\u6bd4\u5982:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">int a = 1;\na++;\nint b = 1;<\/pre>\n\n\n\n<p>\u4f1a\u88ab\u5904\u7406\u6210:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">int a = 1;\nint b = 1;\na++;<\/pre>\n\n\n\n<p>\u8fd9\u6837\u505a\u7684\u597d\u5904\u662f\u5f88\u5bb9\u6613\u8ba1\u7b97\u4e00\u4e2a\u51fd\u6570\u5230\u5e95\u9700\u8981\u591a\u5c11\u6808\u7a7a\u95f4\u3002<\/p>\n\n\n\n<p>\u6b64\u5916\uff0c<code>return<\/code> \u8bed\u53e5\u4f1a\u88ab\u7edf\u4e00\u5904\u7406\uff0c\u653e\u5728\u51fd\u6570\u7684\u672b\u5c3e\uff0c\u6bd4\u5982:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">if (1 &gt; 0) {\n    return 1;\n}\nelse {\n    return 0;\n}<\/pre>\n\n\n\n<p>\u4f1a\u88ab\u5904\u7406\u6210:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">if (1 &gt; 0) {\n    goto a;\n}\nelse {\n    goto b;\n}\na:\n    return 1;\nb:\n    return 0;<\/pre>\n\n\n\n<p><strong>\u4f4e\u7aef gimple \u7ecf\u8fc7 cfa \u8f6c ssa \u518d\u8f6c\u4e2d\u95f4\u4ee3\u7801<\/strong><\/p>\n\n\n\n<p>\u8fd9\u4e00\u6b65\u4e3b\u8981\u662f\u8fdb\u884c\u5404\u79cd\u4f18\u5316\uff0c\u6dfb\u52a0\u7248\u672c\u53f7\u7b49\uff0c\u6211\u4e0d\u592a\u4e86\u89e3\uff0c\u5bf9\u4e8e\u666e\u901a\u5f00\u53d1\u8005\u6765\u8bf4\u4e5f\u6ca1\u6709\u5b66\u4e60\u7684\u5fc5\u8981\u3002<\/p>\n\n\n\n<p><strong>\u4e2d\u95f4\u4ee3\u7801\u7684\u610f\u4e49<\/strong><\/p>\n\n\n\n<p>\u5176\u5b9e\u4e2d\u95f4\u4ee3\u7801\u53ef\u4ee5\u88ab\u7701\u7565\uff0c\u62bd\u8c61\u8bed\u6cd5\u6811\u53ef\u4ee5\u76f4\u63a5\u8f6c\u5316\u4e3a\u76ee\u6807\u4ee3\u7801(\u6c47\u7f16\u4ee3\u7801)\u3002\u7136\u800c\uff0c\u4e0d\u540c\u7684 CPU \u7684\u6c47\u7f16\u8bed\u6cd5\u5e76\u4e0d\u4e00\u81f4\uff0c\u6bd4\u5982 <a href=\"https:\/\/link.zhihu.com\/?target=https%3A\/\/link.juejin.im\/%3Ftarget%3Dhttp%253A%252F%252Fblog.csdn.net%252Fwusuopubupt%252Farticle%252Fdetails%252F26378845\" target=\"_blank\" rel=\"noreferrer noopener\">AT&amp;T\u4e0eIntel\u6c47\u7f16\u98ce\u683c\u6bd4\u8f83<\/a> \u8fd9\u7bc7\u6587\u7ae0\u6240\u63d0\u5230\u7684\uff0cIntel \u67b6\u6784\u548c AT&amp;T \u67b6\u6784\u7684\u6c47\u7f16\u7801\u4e2d\uff0c\u6e90\u64cd\u4f5c\u6570\u548c\u76ee\u6807\u64cd\u4f5c\u6570\u4f4d\u7f6e\u6070\u597d\u76f8\u53cd\u3002Intel \u67b6\u6784\u4e0b\u64cd\u4f5c\u6570\u548c\u7acb\u5373\u6570\u6ca1\u6709\u524d\u7f00\u4f46 AT&amp;T \u6709\u3002\u56e0\u6b64\u4e00\u79cd\u6bd4\u8f83\u9ad8\u6548\u7684\u505a\u6cd5\u662f\u5148\u751f\u6210\u8bed\u8a00\u65e0\u5173\uff0cCPU \u4e5f\u65e0\u5173\u7684\u4e2d\u95f4\u4ee3\u7801\uff0c\u7136\u540e\u518d\u751f\u6210\u5bf9\u5e94\u5404\u4e2a CPU \u7684\u6c47\u7f16\u4ee3\u7801\u3002<\/p>\n\n\n\n<p>\u751f\u6210\u4e2d\u95f4\u4ee3\u7801\u662f\u975e\u5e38\u91cd\u8981\u7684\u4e00\u6b65\uff0c\u4e00\u65b9\u9762\u5b83\u548c\u8bed\u8a00\u65e0\u5173\uff0c\u4e5f\u548c CPU \u4e0e\u5177\u4f53\u5b9e\u73b0\u65e0\u5173\u3002\u53ef\u4ee5\u7406\u89e3\u4e3a\u4e2d\u95f4\u4ee3\u7801\u662f\u4e00\u79cd\u975e\u5e38\u62bd\u8c61\uff0c\u53c8\u975e\u5e38\u666e\u9002\u7684\u4ee3\u7801\u3002\u5b83\u5ba2\u89c2\u4e2d\u7acb\u7684\u63cf\u8ff0\u4e86\u4ee3\u7801\u8981\u505a\u7684\u4e8b\u60c5\uff0c\u5982\u679c\u7528\u4e2d\u6587\u3001\u82f1\u6587\u6765\u5206\u522b\u8868\u793a C \u548c Java \u7684\u8bdd\uff0c\u4e2d\u95f4\u7801\u67d0\u79cd\u610f\u4e49\u4e0a\u53ef\u4ee5\u88ab\u7406\u89e3\u4e3a\u4e16\u754c\u8bed\u3002<\/p>\n\n\n\n<p>\u53e6\u4e00\u65b9\u9762\uff0c\u4e2d\u95f4\u4ee3\u7801\u662f\u7f16\u8bd1\u5668\u524d\u7aef\u548c\u540e\u7aef\u7684\u5206\u754c\u7ebf\u3002\u7f16\u8bd1\u5668\u524d\u7aef\u8d1f\u8d23\u628a\u6e90\u7801\u8f6c\u6362\u6210\u4e2d\u95f4\u4ee3\u7801\uff0c\u7f16\u8bd1\u5668\u540e\u7aef\u8d1f\u8d23\u628a\u4e2d\u95f4\u4ee3\u7801\u8f6c\u6362\u6210\u6c47\u7f16\u4ee3\u7801\u3002<\/p>\n\n\n\n<p>LLVM IR \u662f\u4e00\u79cd\u4e2d\u95f4\u4ee3\u7801\uff0c\u5b83\u957f\u6210\u8fd9\u6837:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">define i32 @square_unsigned(i32 %a) {\n  %1 = mul i32 %a, %a\n  ret i32 %1\n}<\/pre>\n\n\n\n<p><strong>\u751f\u6210\u76ee\u6807\u4ee3\u7801<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u76ee\u6807\u4ee3\u7801\u4e5f\u53ef\u4ee5\u53eb\u505a\u6c47\u7f16\u4ee3\u7801\u3002\u7531\u4e8e\u4e2d\u95f4\u4ee3\u7801\u5df2\u7ecf\u975e\u5e38\u63a5\u8fd1\u4e8e\u5b9e\u9645\u7684\u6c47\u7f16\u4ee3\u7801\uff0c\u5b83\u51e0\u4e4e\u53ef\u4ee5\u76f4\u63a5\u88ab\u8f6c\u5316\u3002\u4e3b\u8981\u7684\u5de5\u4f5c\u91cf\u5728\u4e8e\u517c\u5bb9\u5404\u79cd CPU \u4ee5\u53ca\u586b\u5199\u6a21\u677f\u3002\u5728\u6700\u7ec8\u751f\u6210\u7684\u6c47\u7f16\u4ee3\u7801\u4e2d\uff0c\u4e0d\u4ec5\u6709\u6c47\u7f16\u547d\u4ee4\uff0c\u4e5f\u6709\u4e00\u4e9b\u5bf9\u6587\u4ef6\u7684\u8bf4\u660e\u3002\u6bd4\u5982:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">.file       \"test.c\"      # \u6587\u4ef6\u540d\u79f0\n    .global     m             # \u5168\u5c40\u53d8\u91cf m\n    .data                     # \u6570\u636e\u6bb5\u58f0\u660e\n    .align      4             # 4 \u5b57\u8282\u5bf9\u9f50\n    .type       m, @objc\n    .size       m, 4\nm:\n    .long       10            # m \u7684\u503c\u662f 10\n    .text\n    .global     main\n    .type       main, @function\nmain:\n    pushl   %ebp\n    movl    %esp,   %ebp\n    ...<\/pre>\n\n\n\n<p><strong>\u6c47\u7f16<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u6c47\u7f16\u5668\u4f1a\u63a5\u6536\u6c47\u7f16\u4ee3\u7801\uff0c\u5c06\u5b83\u8f6c\u6362\u6210\u4e8c\u8fdb\u5236\u7684\u673a\u5668\u7801\uff0c\u751f\u6210\u76ee\u6807\u6587\u4ef6(\u540e\u7f00\u662f .o)\uff0c\u673a\u5668\u7801\u53ef\u4ee5\u76f4\u63a5\u88ab CPU \u8bc6\u522b\u5e76\u6267\u884c\u3002\u4ece\u76ee\u6807\u4ee3\u7801\u53ef\u4ee5\u731c\u51fa\u6765\uff0c\u6700\u7ec8\u7684\u76ee\u6807\u6587\u4ef6(\u673a\u5668\u7801)\u4e5f\u662f\u5206\u6bb5\u7684\uff0c\u8fd9\u4e3b\u8981\u6709\u4ee5\u4e0b\u4e09\u4e2a\u539f\u56e0:<\/p>\n\n\n\n<ol><li>\u5206\u6bb5\u53ef\u4ee5\u5c06\u6570\u636e\u548c\u4ee3\u7801\u533a\u5206\u5f00\u3002\u5176\u4e2d\u4ee3\u7801\u53ea\u8bfb\uff0c\u6570\u636e\u53ef\u5199\uff0c\u65b9\u4fbf\u6743\u9650\u7ba1\u7406\uff0c\u907f\u514d\u6307\u4ee4\u88ab\u6539\u5199\uff0c\u63d0\u9ad8\u5b89\u5168\u6027\u3002<\/li><li>\u73b0\u4ee3 CPU \u4e00\u822c\u6709\u81ea\u5df1\u7684\u6570\u636e\u7f13\u5b58\u548c\u6307\u4ee4\u7f13\u5b58\uff0c\u533a\u5206\u5b58\u50a8\u6709\u52a9\u4e8e\u63d0\u9ad8\u7f13\u5b58\u547d\u4e2d\u7387\u3002<\/li><li>\u5f53\u591a\u4e2a\u8fdb\u7a0b\u540c\u65f6\u8fd0\u884c\u65f6\uff0c\u4ed6\u4eec\u7684\u6307\u4ee4\u53ef\u4ee5\u88ab\u5171\u4eab\uff0c\u8fd9\u6837\u80fd\u8282\u7701\u5185\u5b58\u3002<\/li><\/ol>\n\n\n\n<p>\u6bb5\u5206\u79bb\u6211\u4eec\u5e76\u4e0d\u9065\u8fdc\uff0c\u6bd4\u5982\u547d\u4ee4\u884c\u4e2d\u7684 <code>objcopy<\/code> \u53ef\u4ee5\u81ea\u884c\u6dfb\u52a0\u81ea\u5b9a\u4e49\u7684\u6bb5\u540d\uff0cC \u8bed\u8a00\u7684 <code>__attribute((section(\u6bb5\u540d)))__<\/code> \u53ef\u4ee5\u628a\u53d8\u91cf\u5b9a\u4e49\u5728\u67d0\u4e2a\u7279\u5b9a\u540d\u79f0\u7684\u6bb5\u4e2d\u3002<\/p>\n\n\n\n<p>\u5bf9\u4e8e\u4e00\u4e2a\u76ee\u6807\u6587\u4ef6\u6765\u8bf4\uff0c\u6587\u4ef6\u7684\u6700\u5f00\u5934(\u4e5f\u53eb\u4f5c ELF \u5934)\u8bb0\u5f55\u4e86\u76ee\u6807\u6587\u4ef6\u7684\u57fa\u672c\u4fe1\u606f\uff0c\u7a0b\u5e8f\u5165\u53e3\u5730\u5740\uff0c\u4ee5\u53ca\u6bb5\u8868\u7684\u4f4d\u7f6e\uff0c\u76f8\u5f53\u4e8e\u662f\u5bf9\u6587\u4ef6\u7684\u6574\u4f53\u63cf\u8ff0\u3002\u63a5\u4e0b\u6765\u7684\u91cd\u70b9\u662f\u6bb5\u8868\uff0c\u5b83\u8bb0\u5f55\u4e86\u6bcf\u4e2a\u6bb5\u7684\u6bb5\u540d\uff0c\u957f\u5ea6\uff0c\u504f\u79fb\u91cf\u3002\u6bd4\u8f83\u5e38\u7528\u7684\u6bb5\u6709:<\/p>\n\n\n\n<ul><li>.strtab \u6bb5: \u5b57\u7b26\u4e32\u957f\u5ea6\u4e0d\u5b9a\uff0c\u5206\u5f00\u5b58\u653e\u6d6a\u8d39\u7a7a\u95f4(\u56e0\u4e3a\u9700\u8981\u5185\u5b58\u5bf9\u9f50)\uff0c\u56e0\u6b64\u53ef\u4ee5\u7edf\u4e00\u653e\u5230\u5b57\u7b26\u4e32\u8868(\u4e5f\u5c31\u662f .strtab \u6bb5)\u4e2d\u8fdb\u884c\u7ba1\u7406\u3002\u5b57\u7b26\u4e32\u4e4b\u95f4\u7528 <code>\\0<\/code> \u5206\u5272\uff0c\u6240\u4ee5\u51e1\u662f\u5f15\u7528\u5b57\u7b26\u4e32\u7684\u5730\u65b9\u7528\u4e00\u4e2a\u6570\u5b57\u5c31\u53ef\u4ee5\u4ee3\u8868\u3002<\/li><li>.symtab: \u8868\u793a\u7b26\u53f7\u8868\u3002\u7b26\u53f7\u8868\u7edf\u4e00\u7ba1\u7406\u6240\u6709\u7b26\u53f7\uff0c\u6bd4\u5982\u53d8\u91cf\u540d\uff0c\u51fd\u6570\u540d\u3002\u7b26\u53f7\u8868\u53ef\u4ee5\u7406\u89e3\u4e3a\u4e00\u4e2a\u8868\u683c\uff0c\u6bcf\u884c\u90fd\u6709\u7b26\u53f7\u540d(\u6570\u5b57)\u3001\u7b26\u53f7\u7c7b\u578b\u548c\u7b26\u53f7\u503c(\u5b58\u50a8\u5730\u5740)<\/li><li>.rel \u6bb5: \u5b83\u8868\u793a\u4e00\u7cfb\u5217\u91cd\u5b9a\u4f4d\u8868\u3002\u8fd9\u4e2a\u8868\u4e3b\u8981\u5728\u94fe\u63a5\u65f6\u7528\u5230\uff0c\u4e0b\u9762\u4f1a\u8be6\u7ec6\u89e3\u91ca\u3002<\/li><\/ul>\n\n\n\n<p><strong>\u94fe\u63a5<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u5728\u4e00\u4e2a\u76ee\u6807\u6587\u4ef6\u4e2d\uff0c\u4e0d\u53ef\u80fd\u6240\u6709\u53d8\u91cf\u548c\u51fd\u6570\u90fd\u5b9a\u4e49\u5728\u6587\u4ef6\u5185\u90e8\u3002\u6bd4\u5982 <code>strlen<\/code> \u51fd\u6570\u5c31\u662f\u4e00\u4e2a\u88ab\u8c03\u7528\u7684\u5916\u90e8\u51fd\u6570\uff0c\u6b64\u65f6\u5c31\u9700\u8981\u628a <code>main.o<\/code> \u8fd9\u4e2a\u76ee\u6807\u6587\u4ef6\u548c\u5305\u542b\u4e86 <code>strlen<\/code> \u51fd\u6570\u5b9e\u73b0\u7684\u76ee\u6807\u6587\u4ef6\u94fe\u63a5\u8d77\u6765\u3002\u6211\u4eec\u77e5\u9053\u51fd\u6570\u8c03\u7528\u5bf9\u5e94\u5230\u6c47\u7f16\u5176\u5b9e\u662f <code>jump<\/code> \u6307\u4ee4\uff0c\u540e\u9762\u5199\u4e0a\u88ab\u8c03\u7528\u51fd\u6570\u7684\u5730\u5740\uff0c\u4f46\u5728\u751f\u6210 <code>main.o<\/code>\u7684\u8fc7\u7a0b\u4e2d\uff0c<code>strlen()<\/code> \u51fd\u6570\u7684\u5730\u5740\u5e76\u4e0d\u77e5\u9053\uff0c\u6240\u4ee5\u53ea\u80fd\u5148\u7528 0 \u6765\u4ee3\u66ff\uff0c\u76f4\u5230\u6700\u540e\u94fe\u63a5\u65f6\uff0c\u624d\u4f1a\u4fee\u6539\u6210\u771f\u5b9e\u7684\u5730\u5740\u3002<\/p>\n\n\n\n<p>\u94fe\u63a5\u5668\u5c31\u662f\u9760\u7740\u91cd\u5b9a\u4f4d\u8868\u6765\u77e5\u9053\u54ea\u4e9b\u5730\u65b9\u9700\u8981\u88ab\u91cd\u5b9a\u4f4d\u7684\u3002\u6bcf\u4e2a\u53ef\u80fd\u5b58\u5728\u91cd\u5b9a\u4f4d\u7684\u6bb5\u90fd\u4f1a\u6709\u5bf9\u5e94\u7684\u91cd\u5b9a\u4f4d\u8868\u3002\u5728\u94fe\u63a5\u9636\u6bb5\uff0c\u94fe\u63a5\u5668\u4f1a\u6839\u636e\u91cd\u5b9a\u4f4d\u8868\u4e2d\uff0c\u9700\u8981\u91cd\u5b9a\u4f4d\u7684\u5185\u5bb9\uff0c\u53bb\u522b\u7684\u76ee\u6807\u6587\u4ef6\u4e2d\u627e\u5230\u5730\u5740\u5e76\u8fdb\u884c\u91cd\u5b9a\u4f4d\u3002<\/p>\n\n\n\n<p>\u6709\u65f6\u5019\u6211\u4eec\u8fd8\u4f1a\u542c\u5230\u52a8\u6001\u94fe\u63a5\u8fd9\u4e2a\u540d\u8bcd\uff0c\u5b83\u8868\u793a\u91cd\u5b9a\u4f4d\u53d1\u751f\u5728\u8fd0\u884c\u65f6\u800c\u975e\u7f16\u8bd1\u540e\u3002\u52a8\u6001\u94fe\u63a5\u53ef\u4ee5\u8282\u7701\u5185\u5b58\uff0c\u4f46\u4e5f\u4f1a\u5e26\u6765\u52a0\u8f7d\u7684\u6027\u80fd\u95ee\u9898\uff0c\u8fd9\u91cc\u4e0d\u8be6\u7ec6\u89e3\u91ca\uff0c\u611f\u5174\u8da3\u7684\u8bfb\u8005\u53ef\u4ee5\u9605\u8bfb\u300a\u7a0b\u5e8f\u5458\u7684\u81ea\u6211\u4fee\u517b\u300b\u8fd9\u672c\u4e66\u3002<\/p>\n\n\n\n<p><strong>\u9884\u5904\u7406<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u6700\u540e\u7b80\u5355\u63cf\u8ff0\u4e00\u4e0b\u9884\u5904\u7406\u3002\u9884\u5904\u7406\u4e3b\u8981\u662f\u5904\u7406\u4e00\u4e9b\u5b8f\u5b9a\u4e49\uff0c\u6bd4\u5982 <code>#define<\/code>\u3001<code>#include<\/code>\u3001<code>#if<\/code> \u7b49\u3002\u9884\u5904\u7406\u7684\u5b9e\u73b0\u6709\u5f88\u591a\u79cd\uff0c\u6709\u7684\u7f16\u8bd1\u5668\u4f1a\u5728\u8bcd\u6cd5\u5206\u6790\u524d\u5148\u8fdb\u884c\u9884\u5904\u7406\uff0c\u66ff\u6362\u6389\u6240\u6709 # \u5f00\u5934\u7684\u5b8f\uff0c\u800c\u6709\u7684\u7f16\u8bd1\u5668\u5219\u662f\u5728\u8bcd\u6cd5\u5206\u6790\u7684\u8fc7\u7a0b\u4e2d\u8fdb\u884c\u9884\u5904\u7406\u3002\u5f53\u5206\u6790\u5230 # \u5f00\u5934\u7684\u5355\u8bcd\u65f6\u624d\u8fdb\u884c\u66ff\u6362\u3002\u867d\u7136\u5148\u9884\u5904\u7406\u518d\u8bcd\u6cd5\u5206\u6790\u6bd4\u8f83\u7b26\u5408\u76f4\u89c9\uff0c\u4f46\u5728\u5b9e\u9645\u4f7f\u7528\u4e2d\uff0cGCC \u4f7f\u7528\u7684\u5374\u662f\u4e00\u8fb9\u8bcd\u6cd5\u5206\u6790\uff0c\u4e00\u8fb9\u9884\u5904\u7406\u7684\u65b9\u6848\u3002<\/p>\n\n\n\n<p><strong>\u7f16\u8bd1 VS \u89e3\u91ca<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u603b\u7ed3\u4e00\u4e0b\uff0c\u5bf9\u4e8e C \u8bed\u8a00\u6765\u8bf4\uff0c\u4ece\u6e90\u7801\u5230\u8fd0\u884c\u7ed3\u679c\u5927\u81f4\u4e0a\u9700\u8981\u7ecf\u5386\u7f16\u8bd1\u3001\u6c47\u7f16\u548c\u94fe\u63a5\u4e09\u4e2a\u6b65\u9aa4\u3002\u7f16\u8bd1\u5668\u63a5\u6536\u6e90\u4ee3\u7801\uff0c\u8f93\u51fa\u76ee\u6807\u4ee3\u7801(\u4e5f\u5c31\u662f\u6c47\u7f16\u4ee3\u7801)\uff0c\u6c47\u7f16\u5668\u63a5\u6536\u6c47\u7f16\u4ee3\u7801\uff0c\u8f93\u51fa\u7531\u673a\u5668\u7801\u7ec4\u6210\u7684\u76ee\u6807\u6587\u4ef6(\u4e8c\u8fdb\u5236\u683c\u5f0f\uff0c.o \u540e\u7f00)\uff0c\u6700\u540e\u94fe\u63a5\u5668\u5c06\u5404\u4e2a\u76ee\u6807\u6587\u4ef6\u94fe\u63a5\u8d77\u6765\uff0c\u6267\u884c\u91cd\u5b9a\u4f4d\uff0c\u6700\u7ec8\u751f\u6210\u53ef\u6267\u884c\u6587\u4ef6\u3002<\/p>\n\n\n\n<p>\u7f16\u8bd1\u5668\u4ee5\u4e2d\u95f4\u4ee3\u7801\u4e3a\u754c\u9650\uff0c\u53c8\u53ef\u4ee5\u5206\u524d\u7aef\u548c\u540e\u7aef\u3002\u6bd4\u5982 clang \u5c31\u662f\u4e00\u4e2a\u524d\u7aef\u5de5\u5177\uff0c\u800c LLVM \u5219\u8d1f\u8d23\u540e\u7aef\u5904\u7406\u3002\u53e6\u4e00\u4e2a\u77e5\u540d\u5de5\u5177 GCC(GNU Compile Collection)\u5219\u662f\u4e00\u4e2a\u5957\u88c5\uff0c\u5305\u63fd\u4e86\u524d\u540e\u7aef\u7684\u6240\u6709\u4efb\u52a1\u3002\u524d\u7aef\u4e3b\u8981\u8d1f\u8d23\u9884\u5904\u7406\u3001\u8bcd\u6cd5\u5206\u6790\u3001\u8bed\u6cd5\u5206\u6790\uff0c\u6700\u7ec8\u751f\u6210\u8bed\u8a00\u65e0\u5173\u7684\u4e2d\u95f4\u4ee3\u7801\u3002\u540e\u7aef\u4e3b\u8981\u8d1f\u8d23\u76ee\u6807\u4ee3\u7801\u7684\u751f\u6210\u548c\u4f18\u5316\u3002<\/p>\n\n\n\n<p>\u5173\u4e8e\u7f16\u8bd1\u539f\u7406\u7684\u57fa\u7840\u77e5\u8bc6\u867d\u7136\u67af\u71e5\uff0c\u4f46\u638c\u63e1\u8fd9\u4e9b\u77e5\u8bc6\u6709\u52a9\u4e8e\u6211\u4eec\u7406\u89e3\u4e00\u4e9b\u6709\u7528\u7684\uff0c\u4f46\u4e0d\u592a\u5bb9\u6613\u7406\u89e3\u7684\u6982\u5ff5\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u7b80\u5355\u770b\u4e00\u4e0b\u522b\u7684\u8bed\u8a00\u662f\u5982\u4f55\u8fd0\u884c\u7684\u3002<\/p>\n\n\n\n<p><strong>Java<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u5728 Java \u4ee3\u7801\u7684\u6267\u884c\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u4ee5\u7b80\u5355\u5206\u4e3a\u7f16\u8bd1\u548c\u6267\u884c\u4e24\u6b65\u3002Java \u7684\u7f16\u8bd1\u5668\u9996\u5148\u4f1a\u628a .java \u683c\u5f0f\u7684\u6e90\u7801\u7f16\u8bd1\u6210 .class \u683c\u5f0f\u7684\u5b57\u8282\u7801\u3002\u5b57\u8282\u7801\u5bf9\u5e94\u5230 C \u8bed\u8a00\u7684\u7f16\u8bd1\u4f53\u7cfb\u4e2d\u5c31\u662f\u4e2d\u95f4\u7801\uff0cJava \u865a\u62df\u673a\u6267\u884c\u8fd9\u4e9b\u4e2d\u95f4\u7801\u5f97\u5230\u6700\u7ec8\u7ed3\u679c\u3002<\/p>\n\n\n\n<p>\u56de\u5fc6\u4e00\u4e0b\u4e0a\u6587\u5bf9\u4e2d\u95f4\u7801\u7684\u89e3\u91ca\uff0c\u4e00\u65b9\u9762\u5b83\u4e0e\u8bed\u8a00\u65e0\u5173\uff0c\u4ec5\u4ec5\u63cf\u8ff0\u5ba2\u89c2\u4e8b\u5b9e\u3002\u53e6\u4e00\u65b9\u9762\u5b83\u548c\u76ee\u6807\u4ee3\u7801\u7684\u5dee\u8ddd\u5e76\u4e0d\u5927\uff0c\u5df2\u7ecf\u5305\u62ec\u4e86\u5bf9\u5bc4\u5b58\u5668\u548c\u6808\u7684\u5904\u7406\uff0c\u4ec5\u4ec5\u662f\u62bd\u8c61\u4e86 CPU \u67b6\u6784\u800c\u5df2\uff0c\u53ea\u8981\u628a\u5b83\u5177\u4f53\u5316\u6210\u5404\u4e2a\u5e73\u53f0\u4e0b\u7684\u76ee\u6807\u4ee3\u7801\uff0c\u5c31\u53ef\u4ee5\u4ea4\u7ed9\u6c47\u7f16\u5668\u4e86\u3002<\/p>\n\n\n\n<p><strong>\u89e3\u91ca\u578b\u8bed\u8a00<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u4e00\u822c\u6765\u8bf4\u6211\u4eec\u4e5f\u628a\u89e3\u91ca\u578b\u8bed\u8a00\u53eb\u505a\u811a\u672c\u8bed\u8a00\uff0c\u6bd4\u5982 Python\u3001Ruby\u3001JavaScript \u7b49\u7b49\u3002\u8fd9\u7c7b\u8bed\u8a00\u7684\u7279\u70b9\u662f\uff0c\u4e0d\u9700\u8981\u7f16\u8bd1\uff0c\u76f4\u63a5\u7531\u89e3\u91ca\u5668\u6267\u884c\u3002\u6362\u8a00\u4e4b\uff0c\u8fd0\u884c\u6d41\u7a0b\u53d8\u6210\u4e86:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">    \u6e90\u4ee3\u7801 -&gt; \u89e3\u91ca\u5668 -&gt; \u8fd0\u884c\u7ed3\u679c<\/pre>\n\n\n\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u8fd9\u91cc\u7684\u89e3\u91ca\u5668\u53ea\u662f\u4e00\u4e2a\u9ed1\u76d2\uff0c\u5b83\u7684\u5b9e\u73b0\u65b9\u5f0f\u53ef\u4ee5\u662f\u591a\u79cd\u591a\u6837\u7684\u3002\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u5b83\u7684\u5b9e\u73b0\u53ef\u4ee5\u975e\u5e38\u7c7b\u4f3c\u4e8e Java \u7684\u6267\u884c\u8fc7\u7a0b\u3002\u89e3\u91ca\u5668\u91cc\u9762\u53ef\u4ee5\u5305\u542b\u4e00\u4e2a\u7f16\u8bd1\u5668\u548c\u865a\u62df\u673a\uff0c\u7f16\u8bd1\u5668\u628a\u6e90\u7801\u8f6c\u5316\u6210 AST \u6216\u8005\u5b57\u8282\u7801(\u4e2d\u95f4\u4ee3\u7801)\u7136\u540e\u4ea4\u7ed9\u865a\u62df\u673a\u6267\u884c\uff0c\u6bd4\u5982 Ruby 1.9 \u4ee5\u540e\u7248\u672c\u7684\u5b98\u65b9\u5b9e\u73b0\u5c31\u662f\u8fd9\u4e2a\u601d\u8def\u3002<\/p>\n\n\n\n<p>\u81f3\u4e8e\u865a\u62df\u673a\uff0c\u5b83\u5e76\u4e0d\u662f\u4ec0\u4e48\u9ed1\u79d1\u6280\uff0c\u5b83\u7684\u5185\u90e8\u53ef\u4ee5\u7f16\u8bd1\u6267\u884c\uff0c\u4e5f\u53ef\u4ee5\u89e3\u91ca\u6267\u884c\u3002\u5982\u679c\u662f\u7f16\u8bd1\u6267\u884c\uff0c\u90a3\u4e48\u5b83\u4f1a\u628a\u5b57\u8282\u7801\u7f16\u8bd1\u6210\u5f53\u524d CPU \u4e0b\u7684\u673a\u5668\u7801\u7136\u540e\u7edf\u4e00\u6267\u884c\u3002\u5982\u679c\u662f\u89e3\u91ca\u6267\u884c\uff0c\u5b83\u4f1a\u9010\u6761\u7ffb\u8bd1\u5b57\u8282\u7801\u3002<\/p>\n\n\n\n<p>\u6709\u610f\u601d\u7684\u662f\uff0c\u5982\u679c\u865a\u62df\u673a\u662f\u7f16\u8bd1\u6267\u884c\u7684\uff0c\u90a3\u4e48\u8fd9\u5957\u6d41\u7a0b\u548c C \u8bed\u8a00\u51e0\u4e4e\u4e00\u6837\uff0c\u90fd\u6ee1\u8db3\u4e0b\u9762\u8fd9\u4e2a\u6d41\u7a0b:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">    \u6e90\u4ee3\u7801 -&gt; \u4e2d\u95f4\u4ee3\u7801 -&gt; \u76ee\u6807\u4ee3\u7801 -&gt; \u8fd0\u884c\u7ed3\u679c<\/pre>\n\n\n\n<p>\u56e0\u6b64\uff0c\u89e3\u91ca\u578b\u8bed\u8a00\u548c\u7f16\u8bd1\u578b\u8bed\u8a00\u7684\u6839\u672c\u533a\u522b\u5728\u4e8e\uff0c\u5bf9\u4e8e\u7528\u6237\u6765\u8bf4\uff0c\u5230\u5e95\u662f\u76f4\u63a5\u4ece\u6e90\u7801\u5f00\u59cb\u6267\u884c\uff0c\u8fd8\u662f\u4ece\u4e2d\u95f4\u4ee3\u7801\u5f00\u59cb\u6267\u884c\u3002\u4ee5 C \u8bed\u8a00\u4e3a\u4f8b\uff0c\u6240\u6709\u7684\u53ef\u6267\u884c\u7a0b\u5e8f\u90fd\u662f\u4e8c\u8fdb\u5236\u6587\u4ef6\u3002\u800c\u5bf9\u4e8e\u4f20\u7edf\u610f\u4e49\u7684 Python \u6216\u8005 JavaScript\uff0c\u7528\u6237\u5e76\u6ca1\u6709\u62ff\u5230\u4e2d\u95f4\u4ee3\u7801\uff0c\u4ed6\u4eec\u76f4\u63a5\u4ece\u6e90\u7801\u5f00\u59cb\u6267\u884c\u3002\u4ece\u8fd9\u4e2a\u89d2\u5ea6\u6765\u770b\uff0c Java \u4e0d\u53ef\u80fd\u662f\u89e3\u91ca\u578b\u8bed\u8a00\uff0c\u867d\u7136 Java \u865a\u62df\u673a\u4f1a\u89e3\u91ca\u5b57\u8282\u7801\uff0c\u4f46\u662f\u5bf9\u4e8e\u7528\u6237\u6765\u8bf4\uff0c\u4ed6\u4eec\u662f\u4ece\u7f16\u8bd1\u597d\u7684 .class \u6587\u4ef6\u5f00\u59cb\u6267\u884c\uff0c\u800c\u975e\u6e90\u4ee3\u7801\u3002<\/p>\n\n\n\n<p>\u5b9e\u9645\u4e0a\uff0c\u5728 x86 \u8fd9\u79cd\u590d\u6742\u67b6\u6784\u4e0b\uff0c\u4e8c\u8fdb\u5236\u7684\u673a\u5668\u7801\u4e5f\u4e0d\u80fd\u88ab\u786c\u4ef6\u76f4\u63a5\u6267\u884c\uff0cCPU \u4f1a\u628a\u5b83\u7ffb\u8bd1\u6210\u66f4\u5e95\u5c42\u7684\u6307\u4ee4\u3002\u4ece\u8fd9\u4e2a\u89d2\u5ea6\u6765\u8bf4\uff0c\u6211\u4eec\u773c\u4e2d\u7684\u786c\u4ef6\u5176\u5b9e\u4e5f\u662f\u4e00\u4e2a\u865a\u62df\u673a\uff0c\u6267\u884c\u4e86\u4e00\u4e9b\u201c\u62bd\u8c61\u201d\u6307\u4ee4\uff0c\u4f46\u6211\u76f8\u4fe1\u4e0d\u4f1a\u6709\u4eba\u8ba4\u4e3a C \u8bed\u8a00\u662f\u89e3\u91ca\u578b\u8bed\u8a00\u3002\u56e0\u6b64\uff0c\u6709\u6ca1\u6709\u865a\u62df\u673a\uff0c\u865a\u62df\u673a\u662f\u4e0d\u662f\u89e3\u91ca\u6267\u884c\uff0c\u4f1a\u4e0d\u4f1a\u751f\u6210\u4e2d\u95f4\u4ee3\u7801\uff0c\u8fd9\u4e9b\u90fd\u4e0d\u91cd\u8981\uff0c\u91cd\u8981\u7684\u662f\u5982\u679c\u4ece\u4e2d\u95f4\u4ee3\u7801\u5f00\u59cb\u6267\u884c\uff0c\u800c\u4e14 AST \u5df2\u7ecf\u4e8b\u5148\u751f\u6210\u597d\uff0c\u90a3\u5c31\u662f\u7f16\u8bd1\u578b\u7684\u8bed\u8a00\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u66f4\u672c\u8d28\u4e00\u70b9\u770b\u95ee\u9898\uff0c<strong>\u6839\u672c\u5c31\u4e0d\u5b58\u5728\u89e3\u91ca\u578b\u8bed\u8a00\u6216\u8005\u7f16\u8bd1\u578b\u8bed\u8a00\u8fd9\u79cd\u8bf4\u6cd5<\/strong>\u3002\u5df2\u7ecf\u6709\u4eba\u8bc1\u660e\uff0c\u5982\u679c\u4e00\u95e8\u8bed\u8a00\u662f\u53ef\u4ee5\u89e3\u91ca\u7684\uff0c\u5fc5\u7136\u53ef\u4ee5\u5f00\u53d1\u51fa\u8fd9\u95e8\u8bed\u8a00\u7684\u7f16\u8bd1\u5668\u3002\u53cd\u8fc7\u6765\u8bf4\uff0c\u5982\u679c\u4e00\u95e8\u8bed\u8a00\u662f\u53ef\u7f16\u8bd1\u7684\uff0c\u6211\u53ea\u8981\u628a\u5b83\u7684\u7f16\u8bd1\u5668\u653e\u5230\u89e3\u91ca\u5668\u91cc\uff0c\u628a\u7f16\u8bd1\u63a8\u8fdf\u5230\u8fd0\u884c\u65f6\uff0c\u8fd9\u4e48\u8bed\u8a00\u5c31\u53ef\u4ee5\u662f\u89e3\u91ca\u578b\u7684\u3002\u4e8b\u5b9e\u4e0a\uff0c\u65e9\u6709\u4eba\u5f00\u53d1\u51fa\u4e86 C \u8bed\u8a00\u7684\u89e3\u91ca\u5668:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">    C \u6e90\u4ee3\u7801 -&gt; C \u8bed\u8a00\u89e3\u91ca\u5668(\u8fd0\u884c\u65f6\u7f16\u8bd1\u3001\u6c47\u7f16\u3001\u94fe\u63a5) -&gt; \u8fd0\u884c\u7ed3\u679c<\/pre>\n\n\n\n<p>\u6211\u76f8\u4fe1\u8fd9\u4e00\u70b9\u5f88\u5bb9\u6613\u7406\u89e3\uff0c\u89c4\u8303\u548c\u5b9e\u73b0\u662f\u4e24\u5957\u5206\u79bb\u7684\u4f53\u7cfb\u3002\u6211\u4eec\u5e73\u5e38\u8bf4\u7684 C \u8bed\u8a00\u7684\u8bed\u6cd5\uff0c\u5b9e\u9645\u4e0a\u662f\u4e00\u5957\u89c4\u8303\u3002\u7406\u8bba\u4e0a\u6765\u8bf4\u6bcf\u4e2a\u4eba\u90fd\u53ef\u4ee5\u5199\u51fa\u81ea\u5df1\u7684\u7f16\u8bd1\u5668\u6765\u5b9e\u73b0 C \u8bed\u8a00\uff0c\u53ea\u8981\u4f60\u7684\u7f16\u8bd1\u5668\u80fd\u591f\u6b63\u786e\u8fd0\u884c\uff0c\u6700\u7ec8\u7684\u8f93\u51fa\u7ed3\u679c\u6b63\u786e\u5373\u53ef\u3002\u800c\u7f16\u8bd1\u578b\u548c\u89e3\u91ca\u578b\u8bf4\u7684\u5176\u5b9e\u662f\u8bed\u8a00\u7684\u5b9e\u73b0\u65b9\u6848\uff0c\u662f\u63d0\u524d\u7f16\u8bd1\u4ee5\u83b7\u5f97\u6700\u5927\u7684\u6027\u80fd\u63d0\u9ad8\uff0c\u8fd8\u662f\u8fd0\u884c\u65f6\u53bb\u89e3\u6790\u4ee5\u83b7\u5f97\u7075\u6d3b\u6027\uff0c\u5f80\u5f80\u53d6\u51b3\u4e8e\u8bed\u8a00\u7684\u5e94\u7528\u573a\u666f\u3002\u6240\u4ee5\u8bf4\u4e00\u95e8\u8bed\u8a00\u662f\u7f16\u8bd1\u578b\u8fd8\u662f\u89e3\u91ca\u578b\u7684\uff0c\u8fd9\u4f1a\u975e\u5e38\u53ef\u7b11\u3002\u4e00\u4e2a\u6807\u51c6\u600e\u4e48\u53ef\u80fd\u4f1a\u6709\u56fa\u5b9a\u7684\u5b9e\u73b0\u5462\uff1f\u4e4b\u6240\u4ee5\u7ed9\u5927\u5bb6\u7559\u4e0b\u4e86 C \u8bed\u8a00\u662f\u7f16\u8bd1\u578b\u8bed\u8a00\uff0cPython \u662f\u89e3\u91ca\u578b\u8bed\u8a00\u7684\u5370\u8c61\uff0c\u5f80\u5f80\u662f\u56e0\u4e3a\u8fd9\u95e8\u8bed\u8a00\u7684\u5e94\u7528\u573a\u666f\u51b3\u5b9a\u4e86\u5b83\u662f\u4e3b\u6d41\u5b9e\u73b0\u662f\u7f16\u8bd1\u578b\u8fd8\u662f\u89e3\u91ca\u578b\u3002<\/p>\n\n\n\n<p><strong>\u81ea\u4e3e<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u4e0d\u77e5\u9053\u6709\u6ca1\u6709\u4eba\u601d\u8003\u8fc7\uff0cC \u8bed\u8a00\u7684\u7f16\u8bd1\u5668\u662f\u5982\u4f55\u5b9e\u73b0\u7684\uff1f\u5b9e\u9645\u4e0a<strong>\u5b83\u8fd8\u662f\u7528 C \u8bed\u8a00\u5b9e\u73b0\u7684<\/strong>\u3002\u8fd9\u79cd\u81ea\u5df1\u80fd\u7f16\u8bd1\u81ea\u5df1\u7684\u795e\u5947\u80fd\u529b\u88ab\u79f0\u4e3a\u81ea\u4e3e(Bootstrap)\u3002<\/p>\n\n\n\n<p>\u4e4d\u4e00\u770b\uff0c\u81ea\u4e3e\u662f\u4e0d\u53ef\u80fd\u7684\u3002\u56e0\u4e3a C \u8bed\u8a00\u7f16\u8bd1\u5668\uff0c\u6bd4\u5982 GCC\uff0c\u8981\u60f3\u8fd0\u884c\u8d77\u6765\uff0c\u5fc5\u5b9a\u9700\u8981 GCC \u7684\u7f16\u8bd1\u5668\u5c06\u5b83\u7f16\u8bd1\u6210\u4e8c\u8fdb\u5236\u7684\u673a\u5668\u7801\u3002\u7136\u800c GCC \u7684\u7f16\u8bd1\u5668\u53c8\u5982\u4f55\u7f16\u8bd1\u5462\u2026\u2026<\/p>\n\n\n\n<p>\u89e3\u51b3\u95ee\u9898\u7684\u5173\u952e\u5728\u4e8e\u6253\u7834\u8fd9\u4e2a\u5faa\u73af\uff0c\u6211\u4eec\u53ef\u4ee5\u5148\u7528\u4e00\u4e2a\u6bd4 C \u8bed\u8a00\u4f4e\u7ea7\u7684\u8bed\u8a00\u6765\u5b9e\u73b0\u4e00\u4e2a C \u8bed\u8a00\u7f16\u8bd1\u5668\u3002\u8fd9\u4ef6\u4e8b\u662f\u53ef\u80fd\u505a\u5230\u7684\uff0c\u56e0\u4e3a\u8fd9\u4e2a\u4f4e\u7ea7\u8bed\u8a00\u5fc5\u7136\u4f1a\u6bd4 C \u8bed\u8a00\u7b80\u5355\uff0c\u6bd4\u5982\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u7528\u6c47\u7f16\u4ee3\u7801\u6765\u5199 C \u8bed\u8a00\u7684\u7f16\u8bd1\u5668\u3002\u7531\u4e8e\u8d8a\u4f4e\u7ea7\u7684\u8bed\u8a00\u8d8a\u7b80\u5355\uff0c\u4f46\u8868\u8fbe\u80fd\u529b\u8d8a\u5f31\uff0c\u6240\u4ee5\u7528\u6c47\u7f16\u6765\u5199\u53ef\u80fd\u592a\u590d\u6742\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u6211\u4eec\u53ef\u4ee5\u5148\u7528\u4e00\u4e2a\u6bd4 C \u8bed\u8a00\u4f4e\u7ea7\u4f46\u6bd4\u6c47\u7f16\u9ad8\u7ea7\u7684\u8bed\u8a00\u6765\u5b9e\u73b0 C \u8bed\u8a00\u7684\u7f16\u8bd1\u5668\uff0c\u540c\u65f6\u7528\u6c47\u7f16\u6765\u5b9e\u73b0\u8fd9\u95e8\u8bed\u8a00\u7684\u7f16\u8bd1\u5668\u3002\u603b\u4e4b\u5c31\u662f\u4e0d\u65ad\u7528\u4f4e\u7ea7\u8bed\u8a00\u6765\u5199\u9ad8\u7ea7\u8bed\u8a00\u7684\u7f16\u8bd1\u5668\uff0c\u867d\u7136\u8bed\u8a00\u8d8a\u4f4e\u7ea7\uff0c\u5b83\u7684\u8868\u8fbe\u80fd\u529b\u8d8a\u5f31\uff0c\u4f46\u662f\u5b83\u8981\u89e3\u6790\u7684\u8bed\u8a00\u4e5f\u5728\u4e0d\u65ad\u53d8\u7b80\u5355\uff0c\u6240\u4ee5\u8fd9\u4ef6\u4e8b\u662f\u53ef\u4ee5\u505a\u5230\u7684\u3002<\/p>\n\n\n\n<p>\u6709\u4e86\u4f4e\u7ea7\u8bed\u8a00\u5199\u597d\u7684 C \u8bed\u8a00\u7f16\u8bd1\u5668\u4ee5\u540e\uff0c\u8fd9\u4e2a\u7f16\u8bd1\u5668\u662f\u4e8c\u8fdb\u5236\u683c\u5f0f\u7684\u3002\u6b64\u65f6\u5c31\u53ef\u4ee5\u5220\u6389\u6240\u6709\u7684\u4f4e\u7ea7\u8bed\u8a00\uff0c\u53ea\u7559\u4e00\u4e2a\u4e8c\u8fdb\u5236\u683c\u5f0f\u7684 C \u8bed\u8a00\u7f16\u8bd1\u5668\uff0c\u63a5\u4e0b\u6765\u6211\u4eec\u5c31\u53ef\u4ee5\u7528 C \u8bed\u8a00\u5199\u7f16\u8bd1\u5668\uff0c\u518d\u7528\u8fd9\u4e2a\u4e8c\u8fdb\u5236\u683c\u5f0f\u7684\u7f16\u8bd1\u5668\u53bb\u7f16\u8bd1 C \u8bed\u8a00\u5b9e\u73b0\u7684 C \u8bed\u8a00\u7f16\u8bd1\u5668\u4e86\uff0c\u4e8e\u662f\u5b8c\u6210\u4e86\u81ea\u4e3e\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0a\u903b\u8f91\u63cf\u8ff0\u8d77\u6765\u6bd4\u8f83\u7ed5\uff0c\u4f46\u6211\u60f3\u591a\u8bfb\u51e0\u904d\u5e94\u8be5\u53ef\u4ee5\u7406\u89e3\u3002\u5982\u679c\u5b9e\u5728\u4e0d\u7406\u89e3\u4e5f\u6ca1\u5173\u7cfb\uff0c\u6211\u4eec\u53ea\u8981\u660e\u767d C \u8bed\u8a00\u53ef\u4ee5\u81ea\u4e3e\u662f\u56e0\u4e3a\u5b83\u53ef\u4ee5\u7f16\u8bd1\u6210\u4e8c\u8fdb\u5236\u673a\u5668\u7801\uff0c\u53ea\u8981\u7528\u4f4e\u7ea7\u8bed\u8a00\u751f\u6210\u8fd9\u4e2a\u673a\u5668\u7801\uff0c\u5c31\u4e0d\u518d\u9700\u8981\u4f4e\u7ea7\u8bed\u8a00\u4e86\uff0c\u56e0\u4e3a\u673a\u5668\u7801\u53ef\u4ee5\u76f4\u63a5\u88ab CPU \u6267\u884c\u3002<\/p>\n\n\n\n<p>\u4ece\u8fd9\u4e2a\u89d2\u5ea6\u6765\u770b\uff0c\u89e3\u91ca\u578b\u8bed\u8a00\u662f\u4e0d\u53ef\u80fd\u81ea\u4e3e\u7684\u3002\u4ee5 Python \u4e3a\u4f8b\uff0c\u81ea\u4e3e\u8981\u6c42\u5b83\u80fd\u7528 Python \u8bed\u8a00\u5199\u51fa\u6765 Python \u7684\u89e3\u91ca\u5668\uff0c\u7136\u800c\u8fd9\u4e2a\u89e3\u91ca\u5668\u5982\u4f55\u8fd0\u884c\u5462\uff0c\u6700\u7ec8\u8fd8\u662f\u9700\u8981\u4e00\u4e2a\u89e3\u91ca\u5668\u3002\u800c\u89e3\u91ca\u5668\u4f53\u7cfb\u4e0b\uff0c Python \u90fd\u662f\u4ece\u6e90\u7801\u7ecf\u8fc7\u89e3\u91ca\u5668\u6267\u884c\uff0c\u53c8\u4e0d\u80fd\u7559\u4e0b\u4ec0\u4e48\u53ef\u4ee5\u76f4\u63a5\u88ab\u786c\u4ef6\u6267\u884c\u7684\u4e8c\u8fdb\u5236\u5f62\u5f0f\u7684\u89e3\u91ca\u5668\u6587\u4ef6\uff0c\u81ea\u7136\u662f\u6ca1\u529e\u6cd5\u81ea\u4e3e\u7684\u3002\u7136\u800c\uff0c\u5c31\u50cf\u524d\u9762\u8bf4\u7684\uff0cPython \u5b8c\u5168\u53ef\u4ee5\u5b9e\u73b0\u4e00\u4e2a\u7f16\u8bd1\u5668\uff0c\u8fd9\u79cd\u60c5\u51b5\u4e0b\u5b83\u5c31\u662f\u53ef\u4ee5\u81ea\u4e3e\u7684\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\u4e00\u95e8\u8bed\u8a00\u80fd\u4e0d\u80fd\u81ea\u4e3e\uff0c\u4e3b\u8981\u53d6\u51b3\u4e8e\u5b83\u7684\u5b9e\u73b0\u5f62\u5f0f\u80fd\u5426\u88ab\u7f16\u8bd1\u5e76\u7559\u4e0b\u4e8c\u8fdb\u5236\u683c\u5f0f\u7684\u53ef\u6267\u884c\u6587\u4ef6\u3002<\/p>\n\n\n\n<p>\u65e2\u7136\u7f16\u8bd1\u5668\u672c\u8eab\u662f\u4e00\u6bb5\u4ee3\u7801\uff0c\u90a3\u4e48\u5982\u679c\u60f3\u7f16\u8bd1\u4e00\u4e2a\u7f16\u8bd1\u5668\uff0c\u5c31\u9700\u8981\u66f4\u65e9\u7684\u7f16\u8bd1\u5668\u6765\u8fdb\u884c\u7f16\u8bd1\u64cd\u4f5c\u3002\u800c\u7f16\u8bd1\u8fd9\u4e2a\u66f4\u65e9\u7684\u7f16\u8bd1\u5668\u8fd8\u9700\u8981\u66f4\u66f4\u65e9\u7684\u7f16\u8bd1\u5668\u2014\u2014\u957f\u6b64\u4ee5\u5f80\uff0c\u7b2c\u4e00\u4e2a\u7f16\u8bd1\u5668\u662f\u600e\u4e48\u4ea7\u751f\u7684\u5462\uff1f\u96be\u9053\u662f\u76f4\u63a5\u7528\u673a\u5668\u8bed\u8a00\u4e66\u5199\u7684\uff1f\u5982\u679c\u80fd\u8fd9\u4e48\u60f3\uff0c\u90a3\u4e48\u4f60\u5c31\u731c\u5bf9\u4e86\u3002\u7b2c\u4e00\u4e2a\u7f16\u8bd1\u5668\u4e00\u5b9a\u662f\u7528\u673a\u5668\u8bed\u8a00\u5199\u51fa\u7684\u3002\u5b9e\u9645\u4e0a\uff0c\u5f88\u4e45\u4ee5\u524d\u7684\u7a0b\u5e8f\u5458\u8fd8\u5728\u7eb8\u5e26\u4e0a\u6253\u5b54\u7f16\u7a0b\u5462\uff0c\u4ed6\u4eec\u4e5f\u7167\u6837\u4e50\u5728\u5176\u4e2d\u3002\u673a\u5668\u8bed\u8a00\u53ea\u662f\u5f88\u96be\u4e66\u5199\uff0c\u5e76\u4e0d\u662f\u4e0d\u80fd\u4e66\u5199\u3002\u4f46\u662f\uff0c\u6bd5\u7adf\u7528\u8fd9\u4e48\u96be\u4e66\u5199\u7684\u8bed\u8a00\u5199\u4e00\u4e2aC++\u7f16\u8bd1\u5668\uff0c\u8c01\u90fd\u4e0d\u4f1a\u613f\u610f\u53bb\u5e72\u3002\u6240\u4ee5\uff0c\u7b2c\u4e00\u4e2a\u7f16\u8bd1\u5668\u7684\u529f\u80fd\u4e00\u5b9a\u662f\u5f88\u7b80\u5355\u7684\u3002\u800c\u4eba\u4eec\u4f1a\u7528\u8fd9\u5f88\u7b80\u5355\u7684\u7f16\u8bd1\u5668\u7684\u8bed\u8a00\uff0c\u53bb\u5199\u4e00\u4e2a\u7a0d\u5fae\u590d\u6742\u4e00\u4e9b\u7684\u7f16\u8bd1\u5668\uff1b\u7136\u540e\u518d\u7528\u8fd9\u4e2a\u65b0\u7684\u7f16\u8bd1\u5668\uff0c\u53bb\u5199\u4e00\u4e2a\u66f4\u590d\u6742\u7684\u7f16\u8bd1\u5668\uff1b\u6700\u7ec8\u5f97\u5230\u4e00\u4e2a\u5f88\u590d\u6742\u7684\u7f16\u8bd1\u5668\uff0c\u6bd4\u5982C++\u7f16\u8bd1\u5668\u2014\u2014\u597d\u4e86\uff0c\u5982\u679c\u80fd\u591f\u7406\u89e3\u8fd9\u4e2a\u8fc7\u7a0b\uff0c\u90a3\u4e48\u4f60\u5b9e\u9645\u4e0a\u51e0\u4e4e\u5c31\u7406\u89e3\u4e86\u81ea\u4e3e\u3002<\/p>\n\n\n\n<p>\u6240\u8c13\u81ea\u5c55\uff0c\u5b9e\u9645\u4e0a\u5c31\u662f\u7528\u4e00\u4e2a\u529f\u80fd\u4e0d\u592a\u5b8c\u5584\u7684\u7f16\u8bd1\u5668\u652f\u6301\u7684\u8bed\u8a00\u5199\u4ee3\u7801\uff0c\u7136\u540e\u653e\u5230\u8fd9\u4e2a\u7f16\u8bd1\u5668\u4e0a\u53bb\u7f16\u8bd1\uff0c\u4ea7\u751f\u4e00\u4e2a\u6bd4\u81ea\u5df1\u66f4\u5b8c\u5584\u7684\u7f16\u8bd1\u5668\u7684\u8fc7\u7a0b\u3002\u7528\u4e00\u4e2a\u4e0d\u592a\u6070\u5f53\u7684\u4f8b\u5b50\u6765\u63cf\u8ff0\uff0c\u5c31\u662f\u6211\u4eec\u5df2\u7ecf\u6709\u4e86\u4e00\u4e2aC\u8bed\u8a00\u7684\u7f16\u8bd1\u5668\uff0c\u7136\u540e\u6211\u4eec\u7528C\u8bed\u8a00\u5199\u4e00\u4e2aC++\u7684\u7f16\u8bd1\u5668\u4ee3\u7801\uff0c\u5e76\u7528C\u8bed\u8a00\u7f16\u8bd1\u5668\u7f16\u8bd1\u8fd9\u4e2a\u4ee3\u7801\u751f\u6210\u53ef\u4ee5\u8fd0\u884c\u7684C++\u7f16\u8bd1\u5668\uff08\u4e4b\u6240\u4ee5\u4e0d\u592a\u6070\u5f53\uff0c\u662f\u56e0\u4e3aC\u8bed\u8a00\u4e0d\u662fC++\u8bed\u8a00\u7684\u4e25\u683c\u5b50\u96c6\uff09\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u6211\u4eec\u6709\u4e00\u4e2a\u7f16\u8bd1\u5668A(C \u2013> A)\uff0c\u73b0\u5728\u5199\u4e00\u4e2a\u7f16\u8bd1\u5668C(C++ \u2013> A)\uff0c\u5c06\u540e\u8005\u653e\u5165\u524d\u8005\u4e2d\u8fdb\u884c\u7f16\u8bd1\uff0c\u5373A(C(C++ \u2013> A) \u2013> A)\uff0c\u5f97\u5230\u4e00\u4e2a\u53ef\u4ee5\u6267\u884c\u7684\u7f16\u8bd1\u5668A(C++ \u2013> A)\u3002<br><\/p>\n\n\n\n<p><strong>\u8fd0\u884c\u65f6\u5e93\u7684\u57fa\u672c\u6982\u5ff5<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u4ee5 C \u8bed\u8a00\u4e3a\u4f8b\uff0c\u6709\u975e\u5e38\u591a\u7684\u64cd\u4f5c\u6700\u7ec8\u90fd\u4f9d\u8d56\u4e8e <strong>glibc<\/strong> \u8fd9\u4e2a\u52a8\u6001\u94fe\u63a5\u5e93\u3002\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\u5b57\u7b26\u4e32\u5904\u7406(<code>strlen<\/code>\u3001<code>strcpy<\/code>)\u3001\u4fe1\u53f7\u5904\u7406\u3001socket\u3001\u7ebf\u7a0b\u3001IO\u3001\u52a8\u6001\u5185\u5b58\u5206\u5c4f(malloc)\u7b49\u7b49\u3002\u8fd9\u4e00\u70b9\u5f88\u597d\u7406\u89e3\uff0c\u5982\u679c\u56de\u5fc6\u4e00\u4e0b\u4e4b\u524d\u7f16\u8bd1\u5668\u7684\u5de5\u4f5c\u539f\u7406\uff0c\u6211\u4eec\u4f1a\u53d1\u73b0\u5b83\u4ec5\u4ec5\u662f\u5904\u7406\u4e86\u8bed\u8a00\u7684\u8bed\u6cd5\uff0c\u6bd4\u5982\u53d8\u91cf\u5b9a\u4e49\uff0c\u51fd\u6570\u58f0\u660e\u548c\u8c03\u7528\u7b49\u7b49\u3002\u81f3\u4e8e\u8bed\u8a00\u7684\u529f\u80fd\uff0c \u6bd4\u5982\u5185\u5b58\u7ba1\u7406\uff0c\u5167\u5efa\u7684\u7c7b\u578b\uff0c\u4e00\u4e9b\u5fc5\u8981\u529f\u80fd\u7684\u5b9e\u73b0\u7b49\u7b49\u3002\u5982\u679c\u8981\u5bf9\u8fd0\u884c\u65f6\u5e93\u8fdb\u884c\u5206\u7c7b\uff0c\u5927\u6982\u6709\u4e24\u7c7b\u3002\u4e00\u79cd\u662f\u8bed\u8a00\u81ea\u8eab\u529f\u80fd\u7684\u5b9e\u73b0\uff0c\u6bd4\u5982\u4e00\u4e9b\u5167\u5efa\u7c7b\u578b\uff0c\u5185\u7f6e\u7684\u51fd\u6570\uff1b\u53e6\u4e00\u79cd\u5219\u662f\u8bed\u8a00\u65e0\u5173\u7684\u57fa\u7840\u529f\u80fd\uff0c\u6bd4\u5982\u6587\u4ef6 IO\uff0csocket \u7b49\u7b49\u3002<\/p>\n\n\n\n<p>\u7531\u4e8e\u6bcf\u4e2a\u7a0b\u5e8f\u90fd\u4f9d\u8d56\u4e8e\u8fd0\u884c\u65f6\u5e93\uff0c\u8fd9\u4e9b\u5e93\u4e00\u822c\u90fd\u662f\u52a8\u6001\u94fe\u63a5\u7684\uff0c\u6bd4\u5982 C \u8bed\u8a00\u7684 (g)libc\u3002\u8fd9\u6837\u4e00\u6765\uff0c\u8fd0\u884c\u65f6\u5e93\u53ef\u4ee5\u5b58\u50a8\u5728\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u8282\u7701\u5185\u5b58\u5360\u7528\u7a7a\u95f4\u548c\u5e94\u7528\u7a0b\u5e8f\u5927\u5c0f\u3002<\/p>\n\n\n\n<p>\u5bf9\u4e8e Java \u8bed\u8a00\u6765\u8bf4\uff0c\u5b83\u7684\u5783\u573e\u56de\u6536\u529f\u80fd\uff0c\u6587\u4ef6 IO \u7b49\u90fd\u662f\u5728\u865a\u62df\u673a\u4e2d\u5b9e\u73b0\uff0c\u5e76\u63d0\u4f9b\u7ed9 Java \u5c42\u8c03\u7528\u3002\u4ece\u8fd9\u4e2a\u89d2\u5ea6\u6765\u770b\uff0c\u865a\u62df\u673a\/\u89e3\u91ca\u5668\u4e5f\u53ef\u4ee5\u88ab\u770b\u505a\u8bed\u8a00\u7684\u8fd0\u884c\u65f6\u73af\u5883(\u5e93)\u3002<\/p>\n\n\n\n<p><strong>swift \u8fd0\u884c\u65f6\u5e93<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u7ecf\u8fc7\u8fd9\u6837\u7684\u89e3\u91ca\uff0c\u76f8\u4fe1 swift \u7684\u8fd0\u884c\u65f6\u5e93\u5c31\u5f88\u5bb9\u6613\u7406\u89e3\u4e86\u3002\u4e00\u65b9\u9762\uff0cswift \u662f\u7edd\u5bf9\u7684\u9759\u6001\u8bed\u8a00\uff0c\u53e6\u4e00\u65b9\u9762\uff0cswift \u6beb\u65e0\u7591\u95ee\u7684\u5e26\u6709\u81ea\u5df1\u7684\u8fd0\u884c\u65f6\u5e93\u3002\u4e3e\u4e2a\u6700\u7b80\u5355\u7684\u4f8b\u5b50\uff0c\u5982\u679c\u9605\u8bfb swift \u6e90\u7801\u5c31\u4f1a\u53d1\u73b0\u67d0\u4e9b\u7c7b\u578b\uff0c\u6bd4\u5982\u5b57\u7b26\u4e32(String)\uff0c\u6216\u8005\u6570\u7ec4\uff0c\u518d\u6216\u8005\u67d0\u4e9b\u51fd\u6570(print)\u90fd\u662f\u7528 swift \u5b9e\u73b0\u7684\uff0c\u8fd9\u4e9b\u90fd\u662f swift \u8fd0\u884c\u65f6\u5e93\u7684\u4e00\u90e8\u5206\u3002\u6309\u7406\u8bf4\uff0c\u8fd0\u884c\u65f6\u5e93\u5e94\u8be5\u5185\u7f6e\u4e8e\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u5e76\u4e14\u548c\u5e94\u7528\u7a0b\u5e8f\u52a8\u6001\u94fe\u63a5\uff0c\u7136\u800c\u5751\u7239\u7684 Swift \u5728\u672c\u6587\u5199\u4f5c\u4e4b\u65f6\u4f9d\u7136\u6ca1\u6709\u7a33\u5b9a ABI\uff0c\u5bfc\u81f4\u6bcf\u4e2a\u7a0b\u5e8f\u90fd\u5fc5\u987b\u81ea\u5e26\u8fd0\u884c\u65f6\u5e93\uff0c\u8fd9\u4e5f\u5c31\u662f\u4e3a\u4ec0\u4e48\u76ee\u524d swift \u5f00\u53d1\u7684 app \u666e\u904d\u4f1a\u589e\u52a0\u51e0 Mb \u5305\u5927\u5c0f\u7684\u539f\u56e0\u3002<\/p>\n\n\n\n<p>\u8bf4\u5230 ABI\uff0c\u5b83\u5176\u5b9e\u5c31\u662f\u4e00\u4e2a\u7f16\u8bd1\u540e\u7684 API\u3002\u7b80\u5355\u6765\u8bf4\uff0cAPI \u662f\u63cf\u8ff0\u4e86\u5728\u5e94\u7528\u7a0b\u5e8f\u7ea7\u522b\uff0c\u6a21\u5757\u4e4b\u95f4\u7684\u8c03\u7528\u7ea6\u5b9a\u3002\u6bd4\u5982\u67d0\u4e2a\u6a21\u5757\u60f3\u8981\u8c03\u7528\u53e6\u4e00\u4e2a\u6a21\u5757\u7684\u529f\u80fd\uff0c\u5c31\u5fc5\u987b\u6839\u636e\u88ab\u8c03\u7528\u6a21\u5757\u63d0\u4f9b\u7684 API \u6765\u8c03\u7528\uff0c\u56e0\u4e3a API \u4e2d\u89c4\u5b9a\u4e86\u65b9\u6cd5\u540d\u3001\u53c2\u6570\u548c\u8fd4\u56de\u7ed3\u679c\u7684\u7c7b\u578b\u3002\u800c\u5f53\u6e90\u7801\u88ab\u7f16\u8bd1\u6210\u4e8c\u8fdb\u5236\u6587\u4ef6\u540e\uff0c\u5b83\u4eec\u4e4b\u95f4\u7684\u8c03\u7528\u4e5f\u5b58\u5728\u4e00\u4e9b\u89c4\u5219\u548c\u7ea6\u5b9a\u3002<\/p>\n\n\n\n<p>\u6bd4\u5982\u6a21\u5757 A \u6709\u4e24\u4e2a\u6574\u6570 a \u548c b\uff0c\u5b83\u4eec\u7684\u5185\u5b58\u5e03\u5c40\u5982\u4e0b:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">\u6a21\u5757 A\u521d\u59cb\u5730\u5740ab<\/pre>\n\n\n\n<p>\u8fd9\u65f6\u5019\u522b\u7684\u6a21\u5757\u8c03\u7528 A \u6a21\u5757\u7684 b \u53d8\u91cf\uff0c\u53ef\u4ee5\u901a\u8fc7\u521d\u59cb\u5730\u5740\u52a0\u504f\u79fb\u91cf\u7684\u65b9\u5f0f\u8fdb\u884c\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u540e\u6765\u6a21\u5757 A \u65b0\u589e\u4e86\u4e00\u4e2a\u6574\u6570 c\uff0c\u5b83\u7684\u5185\u5b58\u5e03\u5c40\u53ef\u80fd\u4f1a\u53d8\u6210:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">\u6a21\u5757 A\u521d\u59cb\u5730\u5740cab<\/pre>\n\n\n\n<p>\u5982\u679c\u8c03\u7528\u65b9\u8fd8\u662f\u4f7f\u7528\u76f8\u540c\u7684\u504f\u79fb\u91cf\uff0c\u53ef\u4ee5\u60f3\u89c1\uff0c\u8fd9\u6b21\u62ff\u5230\u7684\u5c31\u662f\u53d8\u91cf a \u4e86\u3002\u56e0\u6b64\uff0c\u6bcf\u5f53\u6a21\u5757 A \u6709\u66f4\u65b0\uff0c\u6240\u6709\u4f9d\u8d56\u4e8e\u6a21\u5757 A \u7684\u6a21\u5757\u90fd\u5fc5\u987b\u91cd\u65b0\u7f16\u8bd1\u624d\u80fd\u6b63\u786e\u5de5\u4f5c\u3002\u5982\u679c\u8fd9\u91cc\u7684\u6a21\u5757 A \u662f swift \u7684\u8fd0\u884c\u65f6\u5e93\uff0c\u5b83\u5185\u7f6e\u4e8e\u64cd\u4f5c\u7cfb\u7edf\u5e76\u4e0e\u5176\u4ed6\u6a21\u5757(\u5e94\u7528\u7a0b\u5e8f)\u52a8\u6001\u94fe\u63a5\u4f1a\u600e\u4e48\u6837\u5462\uff1f\u7ed3\u679c\u5c31\u662f\u6bcf\u6b21\u66f4\u65b0\u7cfb\u7edf\u540e\uff0c\u6240\u6709\u7684 app \u90fd\u65e0\u6cd5\u6253\u5f00\u3002\u663e\u7136\u8fd9\u662f\u65e0\u6cd5\u63a5\u53d7\u7684\u3002<\/p>\n\n\n\n<p>\u5f53\u7136\uff0cABI \u7a33\u5b9a\u8fd8\u5305\u62ec\u5176\u4ed6\u7684\u4e00\u4e9b\u8981\u6c42\uff0c\u6bd4\u5982\u8c03\u7528\u548c\u88ab\u8c03\u7528\u8005\u9075\u5b88\u76f8\u540c\u7684\u8c03\u7528\u7ea6\u5b9a(\u53c2\u6570\u548c\u8fd4\u56de\u503c\u5982\u4f55\u4f20\u9012)\u7b49\u3002<\/p>\n\n\n\n<p><strong>JavaScript \u90a3\u4e9b\u4e8b<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u6211\u4eec\u7ee7\u7eed\u521a\u624d\u6709\u5173\u8fd0\u884c\u65f6\u7684\u8bdd\u9898\uff0c\u5148\u4ece JavaScript \u7684\u8fd0\u884c\u65f6\u804a\u8d77\uff0c\u518d\u4ecb\u7ecd JavaScript \u7684\u76f8\u5173\u77e5\u8bc6\u3002<\/p>\n\n\n\n<p><strong>JavaScript \u662f\u5982\u4f55\u8fd0\u884c\u7684<\/strong><\/p>\n\n\n\n<p>JavaScript \u548c\u5176\u4ed6\u8bed\u8a00\uff0c\u65e0\u8bba\u662f C \u8bed\u8a00\uff0c\u8fd8\u662f Python \u8fd9\u6837\u7684\u811a\u672c\u8bed\u8a00\uff0c\u6700\u5927\u7684\u533a\u522b\u5728\u4e8e JavaScript \u7684\u5bbf\u4e3b\u73af\u5883\u6bd4\u8f83\u5947\u602a\uff0c\u4e00\u822c\u6765\u8bf4\u662f\u6d4f\u89c8\u5668\u3002<\/p>\n\n\n\n<p>\u65e0\u8bba\u662f C \u8fd8\u662f Python\uff0c\u4ed6\u4eec\u90fd\u6709\u4e00\u4e2a\u7f16\u8bd1\u5668\/\u89e3\u91ca\u5668\u8fd0\u884c\u5728\u64cd\u4f5c\u7cfb\u7edf\u4e0a\uff0c\u76f4\u63a5\u628a\u6e90\u7801\u8f6c\u6362\u6210\u673a\u5668\u7801\u3002\u800c JavaScript \u7684\u89e3\u91ca\u5668\u4e00\u822c\u5185\u7f6e\u5728\u6d4f\u89c8\u5668\u4e2d\uff0c\u6bd4\u5982 Chrome \u5c31\u6709\u4e00\u4e2a V8 \u5f15\u64ce\u53ef\u4ee5\u89e3\u6790\u5e76\u6267\u884c JavaScript \u4ee3\u7801\u3002\u56e0\u6b64 JavaScript \u7684\u80fd\u529b\u5b9e\u9645\u4e0a\u4f1a\u53d7\u5230\u5bbf\u4e3b\u73af\u5883\u7684\u5f71\u54cd\uff0c\u6709\u4e00\u4e9b\u9650\u5236\u548c\u52a0\u5f3a\u3002<\/p>\n\n\n\n<p>\u9996\u5148\u6765\u770b\u770b DOM \u64cd\u4f5c\uff0c\u76f8\u5173\u7684 API \u5e76\u6ca1\u6709\u5b9a\u4e49\u5728 ECMAScript \u6807\u51c6\u4e2d\uff0c\u56e0\u6b64\u6211\u4eec\u5e38\u7528\u7684 <code>window.xxx<\/code> \u8fd8\u6709 <code>window.document.xxx<\/code> \u5e76\u975e\u662f JavaScript \u81ea\u5e26\u7684\u529f\u80fd\uff0c\u8fd9\u901a\u5e38\u662f\u7531\u5bbf\u4e3b\u5e73\u53f0\u901a\u8fc7 C\/C++ \u7b49\u8bed\u8a00\u5b9e\u73b0\uff0c\u7136\u540e\u63d0\u4f9b\u7ed9 JavaScript \u7684\u63a5\u53e3\u3002\u540c\u6837\u7684\uff0c\u7531\u4e8e\u6d4f\u89c8\u5668\u4e2d\u7684 JavaScript \u53ea\u662f\u4e00\u4e2a\u8f7b\u91cf\u7684\u8bed\u8a00\uff0c\u6ca1\u6709\u5fc5\u8981\u8bfb\u5199\u64cd\u4f5c\u7cfb\u7edf\u7684\u6587\u4ef6\uff0c\u56e0\u6b64\u6d4f\u89c8\u5668\u5f15\u64ce\u4e00\u822c\u4e0d\u4f1a\u5411 JavaScript \u63d0\u4f9b\u6587\u4ef6\u8bfb\u5199\u7684\u8fd0\u884c\u65f6\u7ec4\u4ef6\uff0c\u5b83\u4e5f\u5c31\u4e0d\u5177\u5907 IO \u7684\u80fd\u529b\u3002\u4ece\u8fd9\u4e2a\u89d2\u5ea6\u6765\u770b\uff0c\u6574\u4e2a\u6d4f\u89c8\u5668\u90fd\u53ef\u4ee5\u770b\u505a JavaScript \u7684\u865a\u62df\u673a\u6216\u8005\u8fd0\u884c\u65f6\u73af\u5883\u3002<\/p>\n\n\n\n<p>\u56e0\u6b64\uff0c\u5f53\u6211\u4eec\u6362\u4e00\u4e2a\u5bbf\u4e3b\u73af\u5883\uff0c\u6bd4\u5982 Node.js\uff0cJavaScript \u7684\u80fd\u529b\u5c31\u4f1a\u53d1\u751f\u53d8\u5316\u3002\u5b83\u4e0d\u518d\u5177\u6709 DOM API\uff0c\u4f46\u591a\u4e86\u8bfb\u5199\u6587\u4ef6\u7b49\u80fd\u529b\u3002\u8fd9\u65f6\u5019\uff0cNode.js \u5c31\u66f4\u50cf\u662f\u4e00\u4e2a\u6807\u51c6\u7684 JavaScript \u89e3\u6790\u5668\u4e86\u3002\u8fd9\u4e5f\u662f\u4e3a\u4ec0\u4e48 Node.js \u8ba9 JavaScript \u53ef\u4ee5\u7f16\u5199\u540e\u7aef\u5e94\u7528\u7684\u539f\u56e0\u3002<\/p>\n\n\n\n<p><strong>JIT \u4f18\u5316<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u89e3\u91ca\u6267\u884c\u6548\u7387\u4f4e\u7684\u4e3b\u8981\u539f\u56e0\u4e4b\u4e00\u5728\u4e8e\uff0c\u76f8\u540c\u7684\u8bed\u53e5\u88ab\u53cd\u590d\u89e3\u91ca\uff0c\u56e0\u6b64\u4f18\u5316\u7684\u601d\u8def\u662f\u52a8\u6001\u7684\u89c2\u5bdf\u54ea\u4e9b\u4ee3\u7801\u662f\u7ecf\u5e38\u88ab\u8c03\u7528\u7684\u3002\u5bf9\u4e8e\u90a3\u4e9b\u88ab\u9ad8\u9891\u7387\u8c03\u7528\u7684\u4ee3\u7801\uff0c\u53ef\u4ee5\u7528\u7f16\u8bd1\u5668\u628a\u5b83\u7f16\u8bd1\u6210\u673a\u5668\u7801\u5e76\u4e14\u7f13\u5b58\u4e0b\u6765\uff0c\u4e0b\u6b21\u6267\u884c\u7684\u65f6\u5019\u5c31\u4e0d\u7528\u91cd\u65b0\u89e3\u91ca\uff0c\u4ece\u800c\u63d0\u5347\u901f\u5ea6\u3002\u8fd9\u5c31\u662f JIT(Just-In-Time) \u7684\u6280\u672f\u539f\u7406\u3002<\/p>\n\n\n\n<p>\u4f46\u51e1\u57fa\u4e8e\u7f13\u5b58\u7684\u4f18\u5316\uff0c\u4e00\u5b9a\u4f1a\u6d89\u53ca\u5230\u7f13\u5b58\u547d\u4e2d\u7387\u7684\u95ee\u9898\u3002\u5728 JavaScript \u4e2d\uff0c\u5373\u4f7f\u662f\u540c\u4e00\u6bb5\u4ee3\u7801\uff0c\u5728\u4e0d\u540c\u4e0a\u4e0b\u6587\u4e2d\u751f\u6210\u7684\u673a\u5668\u7801\u4e5f\u4e0d\u4e00\u5b9a\u76f8\u540c\u3002\u6bd4\u5982\u8fd9\u4e2a\u51fd\u6570:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">function add(a, b) {\n    return a + b;\n}<\/pre>\n\n\n\n<p>\u5982\u679c\u8fd9\u91cc\u7684 a \u548c b \u90fd\u662f\u6574\u6570\uff0c\u53ef\u4ee5\u60f3\u89c1\u6700\u7ec8\u7684\u4ee3\u7801\u4e00\u5b9a\u662f\u6c47\u7f16\u4e2d\u7684 <code>add<\/code> \u547d\u4ee4\u3002\u5982\u679c\u7c7b\u4f3c\u7684\u52a0\u6cd5\u8fd0\u7b97\u8c03\u7528\u4e86\u5f88\u591a\u6b21\uff0c\u89e3\u91ca\u5668\u53ef\u80fd\u4f1a\u8ba4\u4e3a\u5b83\u503c\u5f97\u88ab\u4f18\u5316\uff0c\u4e8e\u662f\u7f16\u8bd1\u4e86\u8fd9\u6bb5\u4ee3\u7801\u3002\u4f46\u5982\u679c\u4e0b\u4e00\u6b21\u8c03\u7528\u7684\u662f <code>add(\"hello\", \"world\")<\/code>\uff0c\u4e4b\u524d\u7684\u4f18\u5316\u5c31\u65e0\u6548\u4e86\uff0c\u56e0\u4e3a\u5b57\u7b26\u4e32\u52a0\u6cd5\u7684\u5b9e\u73b0\u548c\u6574\u6570\u52a0\u6cd5\u7684\u5b9e\u73b0\u5b8c\u5168\u4e0d\u540c\u3002<\/p>\n\n\n\n<p>\u4e8e\u662f\u4f18\u5316\u540e\u7684\u4ee3\u7801(\u4e8c\u8fdb\u5236\u683c\u5f0f)\u8fd8\u5f97\u88ab\u8fd8\u539f\u6210\u539f\u5148\u7684\u5f62\u5f0f(\u5b57\u7b26\u4e32\u683c\u5f0f)\uff0c\u8fd9\u6837\u7684\u8fc7\u7a0b\u88ab\u79f0\u4e3a\u53bb\u4f18\u5316\u3002\u53cd\u590d\u7684\u4f18\u5316 -&gt; \u53bb\u4f18\u5316 -&gt; \u4f18\u5316 \u2026\u2026 \u975e\u5e38\u8017\u65f6\uff0c\u5927\u5927\u964d\u4f4e\u4e86\u5f15\u5165 JIT \u5e26\u6765\u7684\u6027\u80fd\u63d0\u5347\u3002<\/p>\n\n\n\n<p>JIT \u7406\u8bba\u4e0a\u7ed9\u4f20\u7edf\u7684 JavaScript \u5e26\u4e86\u4e86 20-40 \u500d\u7684\u6027\u80fd\u63d0\u5347\uff0c\u4f46\u7531\u4e8e\u4e0a\u8ff0\u53bb\u4f18\u5316\u7684\u5b58\u5728\uff0c\u5728\u5b9e\u9645\u8fd0\u884c\u7684\u8fc7\u7a0b\u4e2d\u8fdc\u8fdc\u8fbe\u4e0d\u5230\u8fd9\u4e2a\u7406\u8bba\u4e0a\u7684\u6027\u80fd\u5929\u82b1\u677f\u3002<\/p>\n\n\n\n<p><strong>WebAssembly<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u524d\u6587\u8bf4\u8fc7\uff0cJavaScript \u5b9e\u9645\u4e0a\u662f\u7531\u6d4f\u89c8\u5668\u5f15\u64ce\u8d1f\u8d23\u89e3\u6790\u5e76\u63d0\u4f9b\u4e00\u4e9b\u529f\u80fd\u7684\u3002\u6d4f\u89c8\u5668\u5f15\u64ce\u53ef\u80fd\u662f\u7531 C++ \u8fd9\u6837\u9ad8\u6548\u7684\u8bed\u8a00\u5b9e\u73b0\u7684\uff0c\u90a3\u4e48\u4e3a\u4ec0\u4e48\u4e0d\u7528 C++ \u6765\u5199\u7f51\u9875\u5462\uff1f\u5b9e\u9645\u4e0a\u6211\u8ba4\u4e3a\u4ece\u6280\u672f\u89d2\u5ea6\u6765\u8bf4\u5e76\u4e0d\u5b58\u5728\u95ee\u9898\uff0c\u76f4\u63a5\u4e0b\u53d1 C++ \u4ee3\u7801\uff0c\u7136\u540e\u4ea4\u7ed9 C++ \u89e3\u91ca\u5668\u53bb\u6267\u884c\uff0c\u518d\u8c03\u7528\u6d4f\u89c8\u5668\u7684 C++ \u7ec4\u4ef6\uff0c\u4f3c\u4e4e\u66f4\u52a0\u7b26\u5408\u76f4\u89c9\u4e00\u4e9b\u3002<\/p>\n\n\n\n<p>\u4e4b\u6240\u4ee5\u9009\u62e9 JavaScript \u800c\u4e0d\u662f C++\uff0c\u9664\u4e86\u4e3b\u6d41\u6d4f\u89c8\u5668\u76ee\u524d\u90fd\u53ea\u652f\u6301 JavaScript \u800c\u4e0d\u652f\u6301 C++ \u8fd9\u4e2a\u5386\u53f2\u539f\u56e0\u4ee5\u5916\uff0c\u66f4\u91cd\u8981\u7684\u4e00\u70b9\u662f\u4e00\u95e8\u8bed\u8a00\u7684\u9ad8\u6027\u80fd\u548c\u7b80\u5355\u6027\u4e0d\u53ef\u517c\u5f97\u3002JavaScript \u5728\u8fd0\u884c\u901f\u5ea6\u65b9\u9762\u505a\u51fa\u4e86\u727a\u7272\uff0c\u4f46\u4e5f\u5177\u5907\u4e86\u7b80\u5355\u6613\u5f00\u53d1\u7684\u4f18\u70b9\u3002\u4f5c\u4e3a\u901a\u7528\u7f16\u7a0b\u8bed\u8a00\uff0cJavaScript \u548c C++ \u4e3b\u8981\u7684\u6027\u80fd\u5dee\u8ddd\u5c31\u5728\u4e8e\u7f3a\u5c11\u7c7b\u578b\u6807\u6ce8\uff0c\u5bfc\u81f4\u65e0\u6cd5\u8fdb\u884c\u6709\u6548\u7684\u63d0\u524d\u7f16\u8bd1\u3002\u4e4b\u524d\u8bf4\u8fc7 JIT \u8fd9\u79cd\u57fa\u4e8e\u7f13\u5b58\u53bb\u731c\u6d4b\u7c7b\u578b\u7684\u65b9\u5f0f\u5b58\u5728\u74f6\u9888\uff0c\u90a3\u4e48\u6700\u7cbe\u786e\u7684\u65b9\u5f0f\u80af\u5b9a\u8fd8\u662f\u76f4\u63a5\u52a0\u4e0a\u7c7b\u578b\u6807\u6ce8\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u76f4\u63a5\u7f16\u8bd1\u4e86\uff0c\u4ee3\u8868\u6027\u7684\u4f5c\u54c1\u6709 Mozilla \u7684 <a href=\"https:\/\/link.zhihu.com\/?target=https%3A\/\/link.juejin.im\/%3Ftarget%3Dhttp%253A%252F%252Fasmjs.org%252F\" target=\"_blank\" rel=\"noreferrer noopener\">Asm.js<\/a>\u3002<\/p>\n\n\n\n<p>Asm.js \u662f JavaScript \u7684\u4e00\u4e2a\u5b50\u96c6\uff0c\u4efb\u4f55 JavaScript \u89e3\u91ca\u5668\u90fd\u53ef\u4ee5\u89e3\u91ca\u5b83:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">function add(a, b) {\n    a = a | 0  \/\/ \u4efb\u4f55\u6574\u6570\u548c\u81ea\u5df1\u505a\u6309\u4f4d\u6216\u8fd0\u7b97\u7684\u7ed3\u679c\u90fd\u662f\u81ea\u5df1\n    b = b | 0  \/\/ \u6240\u4ee5\u8fd9\u4e2a\u6807\u8bb0\u4e0d\u6539\u53d8\u8fd0\u7b97\u7ed3\u679c\uff0c\u4f46\u662f\u53ef\u4ee5\u63d0\u793a\u7f16\u8bd1\u5668 a\u3001b \u90fd\u662f\u6574\u6570\n    return a + b | 0\n}<\/pre>\n\n\n\n<p>\u5982\u679c\u6709 Asm.js \u7279\u5b9a\u7684\u89e3\u91ca\u5668\uff0c\u5b8c\u5168\u53ef\u4ee5\u628a\u5b83\u63d0\u524d\u7f16\u8bd1\u51fa\u6765\u3002\u5373\u4f7f\u6ca1\u6709\u4e5f\u6ca1\u5173\u7cfb\uff0c\u56e0\u4e3a\u5b83\u5b8c\u5168\u662f JavaScript \u8bed\u6cd5\u7684\u5b50\u96c6\uff0c\u666e\u901a\u7684\u89e3\u91ca\u5668\u4e5f\u53ef\u4ee5\u89e3\u91ca\u3002<\/p>\n\n\n\n<p>\u7136\u800c\uff0c\u56de\u987e\u4e00\u4e0b\u6211\u4eec\u6700\u521d\u5bf9\u89e3\u91ca\u5668\u7684\u5b9a\u4e49: \u89e3\u91ca\u5668\u662f\u4e00\u4e2a\u9ed1\u76d2\uff0c\u8f93\u5165\u6e90\u7801\uff0c\u8f93\u51fa\u8fd0\u884c\u7ed3\u679c\u3002Asm.js \u5176\u5b9e\u662f\u9ed1\u76d2\u5185\u90e8\u7684\u4e00\u4e2a\u4f18\u5316\uff0c\u4e0d\u540c\u7684\u9ed1\u76d2(\u6d4f\u89c8\u5668)\u65e0\u6cd5\u5171\u4eab\u8fd9\u4e00\u4f18\u5316\u3002\u6362\u53e5\u8bdd\u8bf4 Asm.js \u5199\u6210\u7684\u4ee3\u7801\u653e\u5230 Chrome \u4e0a\u9762\u548c\u666e\u901a\u7684 JavaScript \u6beb\u65e0\u533a\u522b\u3002<\/p>\n\n\n\n<p>\u4e8e\u662f\uff0c\u5305\u62ec\u5fae\u8f6f\u3001\u8c37\u6b4c\u548c\u82f9\u679c\u5728\u5185\u7684\u5404\u5927\u516c\u53f8\u89c9\u5f97\uff0c\u662f\u65f6\u5019\u641e\u4e2a\u6807\u51c6\u4e86\uff0c\u8fd9\u4e2a\u6807\u51c6\u5c31\u662f WebAssembly \u683c\u5f0f\u3002\u5b83\u662f\u4ecb\u4e8e\u4e2d\u95f4\u4ee3\u7801\u548c\u76ee\u6807\u4ee3\u7801\u4e4b\u95f4\u7684\u4e00\u79cd\u4e8c\u8fdb\u5236\u683c\u5f0f\uff0c\u501f\u7528 <a href=\"https:\/\/link.zhihu.com\/?target=https%3A\/\/link.juejin.im\/%3Ftarget%3Dhttps%253A%252F%252Fzhuanlan.zhihu.com%252Fp%252F25754084\" target=\"_blank\" rel=\"noreferrer noopener\">WebAssembly \u7cfb\u5217\uff08\u56db\uff09WebAssembly \u5de5\u4f5c\u539f\u7406<\/a><\/p>\n\n\n\n<p>\u901a\u5e38\u4ece\u4e2d\u95f4\u4ee3\u7801\u5230\u673a\u5668\u7801\uff0c\u9700\u8981\u7ecf\u8fc7\u5e73\u53f0\u5177\u4f53\u5316(\u8f6c\u76ee\u6807\u4ee3\u7801)\u548c\u4e8c\u8fdb\u5236\u5316(\u6c47\u7f16\u5668\u628a\u6c47\u7f16\u4ee3\u7801\u53d8\u4e3a\u4e8c\u8fdb\u5236\u673a\u5668\u7801)\u8fd9\u4e24\u4e2a\u6b65\u9aa4\u3002\u800c WebAssembly \u9996\u5148\u5b8c\u6210\u4e86\u7b2c\u4e8c\u4e2a\u6b65\u9aa4\uff0c\u5373\u5df2\u7ecf\u662f\u4e8c\u8fdb\u5236\u683c\u5f0f\u7684\uff0c\u4f46\u53ea\u662f\u4e00\u7cfb\u5217\u865a\u62df\u7684\u901a\u7528\u6307\u4ee4\uff0c\u8fd8\u9700\u8981\u8f6c\u6362\u5230\u5404\u4e2a CPU \u67b6\u6784\u4e0a\u3002\u8fd9\u6837\u4e00\u6765\uff0c\u4ece WebAssembly \u5230\u673a\u5668\u7801\u5176\u5b9e\u662f\u900f\u660e\u4e14\u7edf\u4e00\u7684\uff0c\u5404\u4e2a\u6d4f\u89c8\u5668\u5382\u5546\u53ea\u9700\u8981\u8003\u8651\u5982\u4f55\u4ece\u4e2d\u95f4\u4ee3\u7801\u8f6c\u6362 WebAssembly \u5c31\u884c\u4e86\u3002<\/p>\n\n\n\n<p>\u7531\u4e8e\u7f16\u8bd1\u5668\u7684\u524d\u7aef\u5de5\u5177 Clang \u53ef\u4ee5\u628a C\/C++ \u8f6c\u6362\u6210\u4e2d\u95f4\u4ee3\u7801\uff0c\u56e0\u6b64\u7406\u8bba\u4e0a\u5b83\u4eec\u90fd\u53ef\u4ee5\u7528\u6765\u5f00\u53d1\u7f51\u9875\u3002\u7136\u800c\u8c01\u4f1a\u8fd9\u4e48\u8fd9\u4e48\u505a\u5462\uff0c\u653e\u7740\u7b80\u5355\u5feb\u6377\uff0c\u73b0\u5728\u53c8\u9ad8\u6548\u7684 JavaScript \u4e0d\u5199\uff0c\u975e\u8981\u53bb\u5543 C++\uff1f<\/p>\n\n\n\n<p><strong>\u8de8\u8bed\u8a00\u90a3\u4e9b\u4e8b\u513f<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>C++ \u5199\u7f51\u9875\u8fd9\u4e2a\u8111\u6d1e\u867d\u7136\u6bd4\u8f83\u5927\uff0c\u4f46\u5b83\u542f\u53d1\u6211\u601d\u8003\u4e00\u4e2a\u95ee\u9898:\u201c\u5bf9\u4e8e\u4e00\u4e2a\u5e38\u89c1\u7684\u53ef\u4ee5\u7531\u67d0\u4e2a\u8bed\u8a00\u5b8c\u6210\u7684\u4efb\u52a1(\u6bd4\u5982 JavaScript \u5199\u7f51\u9875)\uff0c\u80fd\u4e0d\u80fd\u6362\u4e00\u4e2a\u8bed\u8a00\u6765\u5b9e\u73b0(\u6bd4\u5982 C++)\uff0c\u5982\u679c\u4e0d\u80fd\uff0c\u5236\u7ea6\u56e0\u7d20\u5728\u54ea\u91cc\u201d\u3002<\/p>\n\n\n\n<p>\u7531\u4e8e\u7edd\u5927\u591a\u6570\u4e3b\u6d41\u8bed\u8a00\u90fd\u662f<a rel=\"noreferrer noopener\" href=\"https:\/\/link.zhihu.com\/?target=https%3A\/\/link.juejin.im\/%3Ftarget%3Dhttp%253A%252F%252Fmp.weixin.qq.com%252Fs%252F0Dp63Lx3eSzG06Z8YonX6g\" target=\"_blank\">\u56fe\u7075\u5b8c\u5907\u7684<\/a>\uff0c\u4e5f\u5c31\u662f\u8bf4\u4e00\u5207\u53ef\u8ba1\u7b97\u7684\u95ee\u9898\uff0c\u5728\u8fd9\u4e9b\u8bed\u8a00\u5c42\u9762\u90fd\u662f\u7b49\u4ef7\u7684\uff0c\u90fd\u53ef\u4ee5\u8ba1\u7b97\u3002\u90a3\u4e48\u5236\u7ea6\u8bed\u8a00\u80fd\u529b\u7684\u56e0\u7d20\u4e5f\u5c31\u53ea\u5269\u4e0b\u4e86\u8fd0\u884c\u65f6\u7684\u73af\u5883\u662f\u5426\u63d0\u4f9b\u4e86\u76f8\u5e94\u7684\u529f\u80fd\u3002\u6bd4\u5982\u524d\u6587\u89e3\u91ca\u8fc7\u7684\uff0c\u867d\u7136\u6d4f\u89c8\u5668\u4e2d\u7684 JavaScript \u4e0d\u80fd\u8bfb\u5199\u6587\u4ef6\uff0c\u4e0d\u80fd\u5b9e\u73b0\u4e00\u4e2a\u670d\u52a1\u5668\uff0c\u4f46\u8fd9\u662f\u6d4f\u89c8\u5668(\u5373\u8fd0\u884c\u65f6\u73af\u5883)\u4e0d\u884c\uff0c\u4e0d\u662f JavaScript \u4e0d\u884c\uff0c\u53ea\u8981\u628a\u8fd0\u884c\u73af\u5883\u6362\u6210 Node.js \u5c31\u884c\u4e86\u3002<\/p>\n\n\n\n<p><strong>\u76f4\u63a5\u8bed\u6cd5\u8f6c\u6362<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u5927\u90e8\u5206\u8bfb\u8005\u5e94\u8be5\u63a5\u89e6\u8fc7\u7b80\u5355\u7684\u9006\u5411\u5de5\u7a0b\u3002\u6bd4\u5982\u7f16\u8bd1\u540e\u7684 .o \u76ee\u6807\u6587\u4ef6\u548c .class \u5b57\u8282\u7801\u90fd\u53ef\u4ee5\u53cd\u7f16\u8bd1\u6210\u6e90\u4ee3\u7801\uff0c\u8fd9\u79cd\u4ece\u4e2d\u95f4\u4ee3\u7801\u5012\u63a8\u56de\u6e90\u4ee3\u7801\u7684\u6280\u672f\u4e5f\u88ab\u53eb\u505a\u53cd\u7f16\u8bd1(decompile)\uff0c\u53cd\u7f16\u8bd1\u5668\u7684\u5de5\u4f5c\u6d41\u7a0b\u57fa\u672c\u4e0a\u662f\u7f16\u8bd1\u5668\u7684\u5012\u5e8f\uff0c\u53ea\u4e0d\u8fc7\u5b8c\u7f8e\u7684\u53cd\u7f16\u8bd1\u4e00\u822c\u6765\u8bf4\u6bd4\u8f83\u56f0\u96be\uff0c\u8fd9\u53d6\u51b3\u4e8e\u4e2d\u95f4\u4ee3\u7801\u7684\u5b9e\u73b0\u3002\u50cf Java \u5b57\u8282\u7801\u8fd9\u6837\u7684\u4e2d\u95f4\u4ee3\u7801\uff0c\u7531\u4e8e\u4fe1\u606f\u6bd4\u8f83\u5168\uff0c\u6240\u4ee5\u53cd\u7f16\u8bd1\u5c31\u76f8\u5bf9\u5bb9\u6613\u3001\u51c6\u786e\u4e00\u4e9b\u3002C \u4ee3\u7801\u5728\u751f\u6210\u4e2d\u95f4\u4ee3\u7801\u65f6\u4e22\u5931\u4e86\u5f88\u591a\u4fe1\u606f\uff0c\u56e0\u6b64\u5c31\u51e0\u4e4e\u4e0d\u53ef\u80fd 100% \u51c6\u786e\u7684\u5012\u63a8\u56de\u53bb\uff0c\u611f\u5174\u8da3\u7684\u8bfb\u8005\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b\u77e5\u540d\u7684\u53cd\u7f16\u8bd1\u5de5\u5177 <a href=\"https:\/\/link.zhihu.com\/?target=https%3A\/\/link.juejin.im\/%3Ftarget%3Dhttps%253A%252F%252Fwww.hex-rays.com%252Fproducts%252Fida%252Fsupport%252Fppt%252Fdecompilers_and_beyond_white_paper.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Hex-Rays \u7684\u4e00\u7bc7\u535a\u5ba2<\/a>\u3002<\/p>\n\n\n\n<p>\u524d\u6587\u8bf4\u8fc7\uff0c\u7f16\u8bd1\u5668\u524d\u7aef\u53ef\u4ee5\u5bf9\u591a\u79cd\u8bed\u8a00\u8fdb\u884c\u8bcd\u6cd5\u5206\u6790\u548c\u8bed\u6cd5\u5206\u6790\uff0c\u5e76\u4e14\u751f\u6210\u4e00\u5957\u8bed\u8a00\u65e0\u5173\u7684\u4e2d\u95f4\u4ee3\u7801\uff0c\u56e0\u6b64\u7406\u8bba\u4e0a\u6765\u8bf4\uff0c\u5982\u679c\u67d0\u4e2a\u7f16\u8bd1\u5668\u524d\u7aef\u5de5\u5177\u652f\u6301\u4e24\u4e2a\u8bed\u8a00 A \u548c B \u7684\u89e3\u6790\uff0c\u90a3\u4e48 A \u548c B \u662f\u53ef\u4ee5\u4e92\u76f8\u8f6c\u6362\u7684\uff0c\u6d41\u7a0b\u5982\u4e0b:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">    A \u6e90\u7801 &lt;--&gt; \u8bed\u8a00\u65e0\u5173\u7684\u4e2d\u95f4\u4ee3\u7801 &lt;--&gt; B \u6e90\u7801<\/pre>\n\n\n\n<p>\u5176\u4e2d\u4ece\u6e90\u7801\u8f6c\u6362\u5230\u4e2d\u95f4\u4ee3\u7801\u9700\u8981\u4f7f\u7528\u7f16\u8bd1\u5668\uff0c\u4ece\u4e2d\u95f4\u4ee3\u7801\u8f6c\u6362\u5230\u6e90\u7801\u5219\u4f7f\u7528\u53cd\u7f16\u8bd1\u5668\u3002<\/p>\n\n\n\n<p>\u4f46\u5728\u5b9e\u9645\u60c5\u51b5\u4e2d\uff0c\u4e8b\u60c5\u4f1a\u7565\u590d\u6742\u4e00\u4e9b\uff0c\u8fd9\u662f\u56e0\u4e3a\u4e2d\u95f4\u4ee3\u7801\u867d\u7136\u662f\u4e00\u5957\u8bed\u8a00\u65e0\u5173\u3001CPU \u4e5f\u65e0\u5173\u7684\u6307\u4ee4\u96c6\uff0c\u4f46\u4e0d\u4ee3\u8868\u4e0d\u540c\u8bed\u8a00\u751f\u6210\u7684\u4e2d\u95f4\u4ee3\u7801\u5c31\u53ef\u4ee5\u901a\u7528\u3002\u6bd4\u5982\u4e2d\u95f4\u4ee3\u7801\u5171\u6709 1\u30012\u30013\u3001\u2026\u2026\u30016 \u8fd9\u516d\u4e2a\u6307\u4ee4\u3002A \u8bed\u8a00\u751f\u6210\u7684\u4e2d\u95f4\u4ee3\u7801\u4ec5\u4ec5\u662f\u6240\u6709\u6307\u4ee4\u7684\u4e00\u4e2a\u5b50\u96c6\uff0c\u6bd4\u5982\u662f 1-5 \u8fd9 5 \u4e2a\u6307\u4ee4\uff1bB \u8bed\u8a00\u751f\u6210\u7684\u4e2d\u95f4\u4ee3\u7801\u53ef\u80fd\u662f\u6240\u6709\u6307\u4ee4\u7684\u53e6\u4e00\u4e2a\u5b50\u96c6\uff0c\u6bd4\u5982 2-6\u3002\u8fd9\u65f6\u5019\u6211\u4eec\u8bf4\u7684 B \u8bed\u8a00\u7684\u53cd\u7f16\u8bd1\u5668\uff0c\u5b9e\u9645\u4e0a\u662f\u4ece 2-6 \u7684\u6307\u4ee4\u5b50\u96c6\u63a8\u5bfc\u51fa B \u8bed\u8a00\u6e90\u7801\uff0c\u5b83\u5bf9\u6307\u4ee4 1 \u53ef\u80fd\u65e0\u80fd\u4e3a\u529b\u3002<\/p>\n\n\n\n<p>\u4ee5 GCC \u7684\u4e2d\u95f4\u4ee3\u7801 <a rel=\"noreferrer noopener\" href=\"https:\/\/link.zhihu.com\/?target=https%3A\/\/link.juejin.im\/%3Ftarget%3Dhttps%253A%252F%252Fzh.wikipedia.org%252Fwiki%252F%2525E6%25259A%2525AB%2525E5%2525AD%252598%2525E5%252599%2525A8%2525E5%252582%2525B3%2525E9%252581%25259E%2525E8%2525AA%25259E%2525E8%2525A8%252580\" target=\"_blank\">RTL: Register Transfer Language<\/a> \u4e3a\u4f8b\uff0c<a rel=\"noreferrer noopener\" href=\"https:\/\/link.zhihu.com\/?target=https%3A\/\/link.juejin.im\/%3Ftarget%3Dhttps%253A%252F%252Fgcc.gnu.org%252Fonlinedocs%252Fgccint%252FGENERIC.html%2523GENERIC\" target=\"_blank\">\u5b98\u65b9\u6587\u6863<\/a> \u5728\u5bf9 RTL \u7684\u89e3\u91ca\u4e2d\uff0c\u5c31\u660e\u786e\u7684\u628a RTL \u6811\u5206\u4e3a\u4e86\u901a\u7528\u7684\u3001C\/C++ \u7279\u6709\u7684\u3001Java \u7279\u6709\u7684\u7b49\u51e0\u4e2a\u90e8\u5206\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2023\/06\/\u56fe\u7247-57-1024x516.png\" alt=\"\" class=\"wp-image-11534\" width=\"555\" height=\"279\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/\u56fe\u7247-57-1024x516.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/\u56fe\u7247-57-300x151.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/\u56fe\u7247-57-768x387.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/\u56fe\u7247-57-830x418.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/\u56fe\u7247-57-230x116.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/\u56fe\u7247-57-350x176.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/\u56fe\u7247-57-480x242.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/\u56fe\u7247-57.png 1426w\" sizes=\"(max-width: 555px) 100vw, 555px\" \/><\/figure><\/div>\n\n\n\n<p>\u5177\u4f53\u6765\u8bf4\uff0c\u6211\u4eec\u77e5\u9053 Java \u5e76\u4e0d\u80fd\u76f4\u63a5\u8bbf\u95ee\u5185\u5b58\u5730\u5740\uff0c\u8fd9\u4e00\u70b9\u548c\u6d4f\u89c8\u5668\u4e0a\u7684 JavaScript \u4e0d\u80fd\u8bfb\u5199\u6587\u4ef6\u5f88\u7c7b\u4f3c\uff0c\u90fd\u662f\u56e0\u4e3a\u5b83\u4eec\u7684\u8fd0\u884c\u73af\u5883(\u865a\u62df\u673a)\u5177\u5907\u8fd9\u79cd\u80fd\u529b\uff0c\u4f46\u6ca1\u6709\u5728\u8bed\u8a00\u5c42\u9762\u63d0\u4f9b\u3002\u56e0\u6b64\uff0c\u542b\u6709\u6307\u9488\u56db\u5219\u8fd0\u7b97\u7684 C \u4ee3\u7801\u65e0\u6cd5\u76f4\u63a5\u88ab\u8f6c\u6362\u6210 Java \u4ee3\u7801\uff0c\u56e0\u4e3a Java \u5b57\u8282\u7801\u5c42\u9762\u5e76\u6ca1\u6709\u5b9a\u4e49\u8fd9\u6837\u7684\u62bd\u8c61\uff0c\u4e00\u79cd\u7b80\u5355\u7684\u65b9\u6848\u662f\u7533\u8bf7\u4e00\u4e2a\u8d85\u5927\u7684\u6570\u7ec4\uff0c\u7136\u540e\u81ea\u5df1\u6a21\u62df\u5185\u5b58\u5730\u5740\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\uff0c\u5373\u4f7f\u7f16\u8bd1\u5668\u524d\u7aef\u540c\u65f6\u652f\u6301\u4e24\u79cd\u8bed\u8a00\u7684\u89e3\u6790\uff0c\u8981\u60f3\u8fdb\u884c\u8f6c\u6362\uff0c\u8fd8\u5fc5\u987b\u5904\u7406\u4e24\u79cd\u8bed\u8a00\u5728\u4e2d\u95f4\u4ee3\u7801\u5c42\u9762\u7684\u4e00\u4e9b\u5c0f\u5dee\u5f02\uff0c\u5b9e\u9645\u6d41\u7a0b\u5e94\u8be5\u662f:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">    A \u6e90\u7801 &lt;--&gt; \u4e2d\u95f4\u4ee3\u7801\u5b50\u96c6(A) &lt;--\u9002\u914d\u5668--&gt; \u4e2d\u95f4\u4ee3\u7801\u5b50\u96c6(B) &lt;--&gt; B \u6e90\u7801<\/pre>\n\n\n\n<p>\u8fd9\u4e2a\u601d\u8def\u5df2\u7ecf\u4e0d\u4ec5\u4ec5\u505c\u7559\u5728\u7406\u8bba\u4e0a\u4e86\uff0c\u6bd4\u5982 Github \u4e0a\u6709\u4e00\u4e2a\u5e93: <a href=\"https:\/\/link.zhihu.com\/?target=https%3A\/\/link.juejin.im\/%3Ftarget%3Dhttps%253A%252F%252Fgithub.com%252Fkripken%252Femscripten\" target=\"_blank\" rel=\"noreferrer noopener\">emscripten<\/a> \u5c31\u5b9e\u73b0\u4e86\u5c06\u4efb\u4f55 Clang \u652f\u6301\u7684\u8bed\u8a00(\u6bd4\u5982 C\/C++ \u7b49)\u8f6c\u6362\u6210 JavaScript\uff0c\u518d\u6bd4\u5982 <a href=\"https:\/\/link.zhihu.com\/?target=https%3A\/\/link.juejin.im\/%3Ftarget%3Dhttps%253A%252F%252Fgithub.com%252Fdavidar%252Flljvm\" target=\"_blank\" rel=\"noreferrer noopener\">lljvm<\/a> \u5b9e\u73b0\u4e86 C \u5230 Java \u5b57\u8282\u7801\u7684\u8f6c\u6362\u3002<\/p>\n\n\n\n<p>\u7136\u800c\u524d\u6587\u5df2\u7ecf\u89e3\u91ca\u8fc7\uff0c\u5b9e\u73b0\u5355\u7eaf\u8bed\u6cd5\u7684\u8f6c\u6362\u610f\u4e49\u5e76\u4e0d\u5927\u3002\u4e00\u65b9\u9762\uff0c\u5bf9\u4e8e\u56fe\u7075\u5b8c\u5907\u7684\u8bed\u8a00\u6765\u8bf4\uff0c\u6362\u4e00\u79cd\u8868\u793a\u65b9\u6cd5(\u8bed\u8a00)\u53bb\u89e3\u51b3\u76f8\u540c\u7684\u95ee\u9898\u5e76\u6ca1\u6709\u610f\u4e49\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u8bed\u8a00\u7684\u771f\u6b63\u529f\u80fd\u7edd\u4e0d\u4ec5\u4ec5\u662f\u8bed\u6cd5\u672c\u8eab\uff0c\u800c\u5728\u4e8e\u5b83\u7684\u8fd0\u884c\u65f6\u73af\u5883\u63d0\u4f9b\u4e86\u4ec0\u4e48\u6837\u7684\u529f\u80fd\u3002\u6bd4\u5982 Objective-C \u7684 Foundation \u5e93\u63d0\u4f9b\u4e86\u5b57\u5178\u7c7b\u578b <code>NSDictionary<\/code>\uff0c\u5b83\u5982\u679c\u76f4\u63a5\u8f6c\u6362\u6210 C \u8bed\u8a00\uff0c\u5c06\u662f\u4e00\u4e2a\u627e\u4e0d\u5230\u7684\u7b26\u53f7\u3002\u56e0\u4e3a C \u8bed\u8a00\u7684\u8fd0\u884c\u65f6\u73af\u5883\u6839\u672c\u5c31\u4e0d\u63d0\u4f9b\u5bf9\u8fd9\u79cd\u6570\u636e\u7ed3\u6784\u7684\u652f\u6301\u3002\u56e0\u6b64\u51e1\u662f\u5728\u8bed\u8a00\u5c42\u9762\u8fdb\u884c\u5f3a\u5236\u8f6c\u6362\u7684\uff0c\u8981\u4e48\u5229\u7528\u53cd\u7f16\u8bd1\u5668\u62ff\u5230\u4e00\u5806\u683c\u5f0f\u6b63\u786e\u4f46\u65e0\u6cd5\u8fd0\u884c\u7684\u4ee3\u7801\uff0c\u8981\u4e48\u5c31\u81ea\u884c\u89e3\u6790\u8bed\u6cd5\u6811\u5e76\u4e3a\u8f6c\u6362\u540e\u7684\u8bed\u8a00\u6dfb\u52a0\u5bf9\u5e94\u7684\u80fd\u529b\uff0c\u6765\u5b9e\u73b0\u8f6c\u6362\u524d\u8bed\u8a00\u7684\u529f\u80fd\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2023\/06\/\u56fe\u7247-58-1024x468.png\" alt=\"\" class=\"wp-image-11535\" width=\"541\" height=\"246\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/\u56fe\u7247-58-1024x468.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/\u56fe\u7247-58-300x137.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/\u56fe\u7247-58-768x351.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/\u56fe\u7247-58-830x379.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/\u56fe\u7247-58-230x105.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/\u56fe\u7247-58-350x160.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/\u56fe\u7247-58-480x219.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/06\/\u56fe\u7247-58.png 1432w\" sizes=\"(max-width: 541px) 100vw, 541px\" \/><\/figure><\/div>\n\n\n\n<p>\u6bd4\u5982\u56fe\u4e2d\u5c31\u662f\u4e00\u4e2a C \u8bed\u8a00\u8f6c\u6362 Java \u7684\u5de5\u5177\uff0c\u4e3a\u4e86\u5b9e\u73b0 C \u8bed\u8a00\u4e2d\u7684\u5b57\u7b26\u4e32\u7533\u8bf7\u548c\u91ca\u653e\u5185\u5b58\uff0c\u8fd9\u4e2a\u5de5\u5177\u4e0d\u5f97\u4e0d\u81ea\u5df1\u5b9e\u73b0\u4e86 <code>com.mtsystems.coot.String8<\/code> \u7c7b\u3002\u8fd9\u6837\u5de8\u5927\u7684\u6210\u672c\uff0c\u663e\u7136\u4e0d\u591f\u666e\u9002\uff0c\u5e94\u7528\u573a\u666f\u76f8\u5bf9\u6709\u9650\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0c\u76f4\u63a5\u7684\u8bed\u6cd5\u8f6c\u6362\u662f\u4e00\u4e2a\u7f8e\u597d\u7684\u60f3\u6cd5\uff0c\u4f46\u5b9e\u73b0\u8d77\u6765\u96be\u5ea6\u5927\uff0c\u6536\u76ca\u6709\u9650\uff0c\u901a\u5e38\u662f\u4e3a\u4e86\u79fb\u690d\u5df2\u7ecf\u7528\u67d0\u4e2a\u8bed\u8a00\u5199\u597d\u7684\u6846\u67b6\uff0c\u6216\u8005\u5f00\u4e2a\u8111\u6d1e\u7528\u4e8e\u5b66\u4e60\uff0c\u4f46\u5b9e\u9645\u5e94\u7528\u573a\u666f\u5e76\u4e0d\u591a\u3002<\/p>\n\n\n\n<p><strong>\u80f6\u6c34\u8bed\u8a00 Python<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>Python \u4e00\u4e2a\u5f88\u5f3a\u5927\u7684\u7279\u70b9\u662f\u80f6\u6c34\u8bed\u8a00\uff0c\u53ef\u4ee5\u628a Python \u7406\u89e3\u4e3a\u5404\u79cd\u8bed\u8a00\u7684\u7c98\u5408\u5242\u3002\u5bf9\u4e8e Python \u53ef\u4ee5\u5904\u7406\u7684\u903b\u8f91\uff0c\u7528 Python \u4ee3\u7801\u5373\u53ef\u5b8c\u6210\u3002\u5982\u679c\u8ffd\u6c42\u6781\u81f4\u7684\u6027\u80fd\u6216\u8005\u8c03\u7528\u5df2\u7ecf\u5b9e\u73b0\u7684\u529f\u80fd\uff0c\u4e5f\u53ef\u4ee5\u8ba9 Python \u8c03\u7528\u5df2\u7ecf\u7531\u522b\u7684\u8bed\u8a00\u5b9e\u73b0\u7684\u6a21\u5757\uff0c\u4ee5 Python \u548c C \u8bed\u8a00\u7684\u4ea4\u4e92\u89e3\u91ca\u4e00\u4e0b\u3002<\/p>\n\n\n\n<p>\u9996\u5148\uff0c\u5982\u679c\u662f C \u8bed\u8a00\u8981\u6267\u884c Python \u4ee3\u7801\uff0c\u663e\u7136\u9700\u8981\u4e00\u4e2a Python \u7684\u89e3\u91ca\u5668\u3002\u7531\u4e8e\u5728 Mac OS X \u7cfb\u7edf\u4e0a\uff0cPython \u89e3\u91ca\u5668\u662f\u4e00\u4e2a\u52a8\u6001\u94fe\u63a5\u5e93\uff0c\u6240\u4ee5\u53ea\u8981\u5bfc\u5165\u4e00\u4e0b\u5934\u6587\u4ef6\u5373\u53ef\uff0c\u4e0b\u9762\u8fd9\u6bb5\u4ee3\u7801\u53ef\u4ee5\u6210\u529f\u8f93\u51fa \u201cHello Python!!!\u201d:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">#include &lt;stdio.h&gt;\n#import &lt;Python\/Python.h&gt;\n\nint main(int argc, const char * argv[]) {\n    Py_SetProgramName(argv[0]);\n    Py_Initialize();\n    PyRun_SimpleString(\"print 'Hello Python!!!'\\n\");\n    Py_Finalize();\n    return 0;\n}<\/pre>\n\n\n\n<p>Python \u8c03\u7528 Objective-C\/C \u4e5f\u4e0d\u590d\u6742\uff0c\u53ea\u9700\u8981\u5728 C \u4ee3\u7801\u4e2d\u6307\u5b9a\u8981\u66b4\u9732\u7684\u6a21\u5757 A \u548c\u8981\u66b4\u9732\u7684\u65b9\u6cd5 a\uff0c\u7136\u540e Python \u5c31\u53ef\u4ee5\u76f4\u63a5\u8c03\u7528\u4e86:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">import A\nA.a()<\/pre>\n\n\n\n<p>\u6709\u65f6\u5019\uff0c\u5982\u679c\u80fd\u628a\u81ea\u5df1\u719f\u6089\u7684\u8bed\u8a00\u5e94\u7528\u5230\u4e00\u4e2a\u964c\u751f\u7684\u9886\u57df\uff0c\u65e0\u7591\u4f1a\u5927\u5927\u964d\u4f4e\u4e0a\u624b\u7684\u96be\u5ea6\u3002\u4ee5 iOS \u5f00\u53d1\u4e3a\u4f8b\uff0c\u5f00\u53d1\u8005\u7684\u65e5\u5e38\u5176\u5b9e\u662f\u5229\u7528 Objective-C \u8bed\u6cd5\u6765\u63cf\u8ff0\u4e00\u4e9b\u903b\u8f91\uff0c\u6700\u7ec8\u5229\u7528 UIKit \u7b49\u6846\u67b6\u5b8c\u6210\u548c\u5e94\u7528\u7684\u4ea4\u4e92\u3002 \u4e00\u79cd\u5f88\u81ea\u7136\u800c\u7136\u7684\u60f3\u6cd5\u662f\uff0c\u80fd\u4e0d\u80fd\u7528 Python \u6765\u5b9e\u73b0\u903b\u8f91\uff0c\u5e76\u4e14\u8c03\u7528 Objective-C \u7684\u63a5\u53e3\uff0c\u6bd4\u5982 UIKit\u3001Foundation \u7b49\u3002\u5b9e\u9645\u4e0a\u524d\u8005\u662f\u5b8c\u5168\u53ef\u4ee5\u5b9e\u73b0\u7684\uff0c\u4f46\u662f Python \u8c03\u7528 Objective-C \u8fdc\u6bd4\u8c03\u7528 C \u8bed\u8a00\u8981\u590d\u6742\u5f97\u591a\u3002<\/p>\n\n\n\n<p>\u4e00\u65b9\u9762\u4ece\u4e4b\u524d\u7684\u5206\u6790\u4e2d\u4e5f\u80fd\u770b\u51fa\uff0c\u5e76\u4e0d\u662f\u6240\u6709\u7684\u6e90\u7801\u7f16\u8bd1\u6210\u76ee\u6807\u6587\u4ef6\u90fd\u53ef\u4ee5\u88ab Python \u5f15\u7528\uff1b\u53e6\u4e00\u65b9\u9762\uff0c\u6700\u91cd\u8981\u7684\u662f Objective-C \u65b9\u6cd5\u8c03\u7528\u7684\u7279\u6027\u3002\u6211\u4eec\u77e5\u9053\u65b9\u6cd5\u8c03\u7528\u5b9e\u9645\u4e0a\u4f1a\u88ab\u7f16\u8bd1\u6210 <code>msg_Send<\/code> \u5e76\u4ea4\u7ed9 runtime \u5904\u7406\uff0c\u6700\u7ec8\u627e\u5230\u51fd\u6570\u6307\u9488\u5e76\u8c03\u7528\u3002\u8fd9\u91cc Objective-C \u7684 runtime \u5176\u5b9e\u662f\u4e00\u4e2a\u7528 C \u8bed\u8a00\u5b9e\u73b0\u52a8\u6001\u94fe\u63a5\u5e93\uff0c\u5b83\u53ef\u4ee5\u7406\u89e3\u4e3a Objective-C \u8fd0\u884c\u65f6\u73af\u5883\u7684\u4e00\u90e8\u5206\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u6ca1\u6709 runtime \u8fd9\u4e2a\u5e93\uff0c\u5305\u542b\u65b9\u6cd5\u8c03\u7528\u7684 Objective-C \u4ee3\u7801\u662f\u4e0d\u53ef\u80fd\u8fd0\u884c\u8d77\u6765\u7684\uff0c\u56e0\u4e3a <code>msg_Send<\/code> \u8fd9\u4e2a\u7b26\u53f7\u65e0\u6cd5\u88ab\u91cd\u5b9a\u5411\uff0c\u8fd0\u884c\u65f6\u5c06\u627e\u4e0d\u5230 <code>msg_Send<\/code> \u51fd\u6570\u7684\u5730\u5740\u3002\u5c31\u8fde\u539f\u751f\u7684 Objective-C \u4ee3\u7801\u90fd\u9700\u8981\u4f9d\u8d56\u8fd0\u884c\u65f6\uff0c\u60f3\u8ba9 Python \u76f4\u63a5\u8c03\u7528\u67d0\u4e2a Objective-C \u7f16\u8bd1\u51fa\u6765\u7684\u5e93\u5c31\u66f4\u4e0d\u53ef\u80fd\u4e86\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u6211\u521a\u521a\u8fdb\u5165\u5927\u5b66\uff0c\u4ece\u96f6\u5f00\u59cb\u5b66\u4e60 C \u8bed\u8a00\u7684\u65f6\u5019\uff0c\u6211\u5c31\u4e0d\u65ad\u7684\u4ece\u5b66\u957f\u7684\u53e3\u4e2d\u542c\u5230\u4e00\u4e2a\u53c8\u4e00\u4e2a\u8bed\u8a00\uff0c\u6bd4\u5982 C++\u3001Jav [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"_links":{"self":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/11529"}],"collection":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=11529"}],"version-history":[{"count":3,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/11529\/revisions"}],"predecessor-version":[{"id":11537,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/11529\/revisions\/11537"}],"wp:attachment":[{"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=11529"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11529"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11529"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}