{"id":891,"date":"2013-06-23T21:37:00","date_gmt":"2013-06-23T13:37:00","guid":{"rendered":"http:\/\/www.brofive.org\/?p=891"},"modified":"2018-04-24T00:19:46","modified_gmt":"2018-04-23T16:19:46","slug":"%e7%8e%8b%e5%9e%a0%ef%bc%9a%e5%8d%8a%e5%b9%b4%e6%9d%a5%e7%9a%84%e5%b7%a5%e4%bd%9c%e6%84%9f%e5%8f%97zzcoverity","status":"publish","type":"post","link":"http:\/\/www.brofive.net\/?p=891","title":{"rendered":"\u738b\u57a0\uff1a\u534a\u5e74\u6765\u7684\u5de5\u4f5c\u611f\u53d7[zz@Coverity]"},"content":{"rendered":"

\u8fd9\u7bc7\u6587\u7ae0\u662f\u4e00\u4e2a\u7a0b\u5e8f\u9ad8\u624b\uff08\u9886\u57df\u5185\uff09\u548c\u591a\u6570\u5176\u4ed6\u4eba\u7684\u533a\u522b\uff1a\u9ad8\u624b\u7684\u4ee3\u7801\u901a\u5e38\u4e0d\u9700\u8981\u592a\u591a\u6d4b\u8bd5\u5c31\u662f\u5b8c\u5907\u548c\u6b63\u786e\u7684\uff0c\u800c\u666e\u901a\u7a0b\u5e8f\u5458\u5f80\u5f80\u9700\u8981\u4f9d\u8d56\u5927\u91cf\u6d4b\u8bd5\u6765\u4fdd\u8bc1\u4ee3\u7801\u7684\u6b63\u786e\u6027\u3002\u5728\u4e00\u4e2a\u5b9e\u9645\u7684\u573a\u666f\u4e2d\uff0c\u8fd9\u4e24\u7c7b\u4eba\u662f\u5e76\u5b58\u7684\uff0c\u4f60\u53ef\u4ee5\u8bc1\u660e\u81ea\u5df1\u662f\u4e00\u4e2a\u9ad8\u624b\u800c\u5c11\u5199\u6d4b\u8bd5\uff08\u4f46\u662f\u8981\u4fdd\u8bc1\u7a0b\u5e8f\u7684\u53ef\u8bfb\u6027\uff09\uff0c\u4e5f\u53ef\u4ee5\u4f5c\u4e3a\u4e00\u4e2a\u666e\u901a\u7a0b\u5e8f\u5458\u800c\u5229\u7528\u6d4b\u8bd5\u4fdd\u8bc1\u4ee3\u7801\u8d28\u91cf<\/font>\u3002\u4f46\u662f\u4e00\u65e6\u8fdb\u5165\u4e00\u4e2a\u6b63\u89c4\u7684\u7814\u53d1\u4f01\u4e1a\uff0c\u5219\u5fc5\u987b\u8981\u9075\u5faa\u4f01\u4e1a\u7684\u8d28\u91cf\u4f53\u7cfb\u3002\u672c\u6587\u8c8c\u4f3c\u6765\u81ea\u67d0\u4e2a\u535a\u5ba2\uff0c\u8f6c\u8f7d\u5230smth<\/font> <\/p>\n

<\/font>  <\/p>\n

\u53d1\u4fe1\u4eba: WaterMonster (\u6c34\u602a), \u4fe1\u533a: SoftEng<\/font> <\/p>\n

\u6807 \u9898: \u738b\u57a0\uff1a\u534a\u5e74\u6765\u7684\u5de5\u4f5c\u611f\u53d7<\/font> <\/p>\n

\u53d1\u4fe1\u7ad9: \u6c34\u6728\u793e\u533a (Sat Jun 22 14:56:47 2013), \u7ad9\u5185<\/font> <\/p>\n

\u597d\u4e45\u6ca1\u6709\u5199\u535a\u5ba2\uff0c\u4e00\u65b9\u9762\u56e0\u4e3a\u5de5\u4f5c\u592a\u5fd9\uff0c\u53e6\u4e00\u65b9\u9762\u662f\u56e0\u4e3a\u6ca1\u6709\u53d1\u73b0\u4ec0\u4e48\u597d\u5199\u7684\u3002\u53ef\u662f\u540e\u6765\u53d1\u73b0\u6ca1\u4ec0\u4e48\u597d\u5199\u7684\u539f\u56e0\u5176\u5b9e\u4e5f\u662f\u56e0\u4e3a\u5de5\u4f5c\u592a\u5fd9\u4e86\u3002\u5fd9\u5f97\u4e0d\u6b63\u5e38\uff0c\u6240\u4ee5\u6ca1\u6709\u5f88\u591a\u65f6\u95f4\u548c\u7cbe\u529b\u6765\u7814\u7a76\u548c\u6b23\u8d4f\u81ea\u5df1\u559c\u6b22\u7684\u4e1c\u897f\u4e86\u3002<\/font> <\/p>\n

\u6211\u5728\u4e00\u5bb6\u53eb\u505a Coverity \u7684\u516c\u53f8\u5de5\u4f5c\uff0c\u6211\u4f4f\u5728\u4e09\u85e9\u5e02\uff08San Francisco\uff09\u3002Coverity \u662f\u4e00\u4e2a\u5947\u602a\u7684\u516c\u53f8\uff0c\u4e09\u85e9\u5e02\u662f\u4e00\u4e2a\u5947\u602a\u7684\u57ce\u5e02\u3002<\/font> <\/p>\n

Coverity \u5236\u9020\u4e00\u79cd\u53eb\u505a\u201c\u9759\u6001\u5206\u6790\u201d\uff08static analysis\uff09\u7684\u8f6f\u4ef6\u3002\u8fd9\u79cd\u8f6f\u4ef6\u53ef\u4ee5\u5728\u4e0d\u8fd0\u884c\u7a0b\u5e8f\u7684\u60c5\u51b5\u4e0b\uff0c\u7ecf\u8fc7\u5bf9\u4ee3\u7801\u7684\u5206\u6790\uff0c\u81ea\u52a8\u7684\u627e\u5230\u7a0b\u5e8f\u91cc\u9762\u53ef\u80fd\u51fa\u73b0\u7684\u95ee\u9898\u3002\u8fd9\u6709\u70b9\u50cf\u6211\u4e4b\u524d\u7ed9 Google \u505a\u7684\u90a3\u4e2a Python \u5206\u6790\u5668\uff0c\u53ea\u4e0d\u8fc7\u9488\u5bf9\u53e6\u5916\u7684\u8bed\u8a00\uff08C\uff0cC++ \u548c Java \u7b49\uff09\uff0c\u5206\u6790\u7684\u4fa7\u91cd\u70b9\u4e0d\u540c\uff0c\u80fd\u5904\u7406\u4ee3\u7801\u7684\u89c4\u6a21\u4e5f\u8c8c\u4f3c\u5927\u4e00\u4e9b\u3002\u8fd8\u6709\u5c31\u662f\u8fd9\u4e48\u591a\u5e74\u4e86\uff0c\u4e45\u7ecf\u6c99\u573a\u8003\u9a8c\u4e86\u3002<\/font> <\/p>\n

Coverity \u5177\u6709\u4e16\u754c\u4e0a\u6700\u5148\u8fdb\u7684\u4e00\u4e9b\u6280\u672f\uff0c\u6240\u4ee5\u9ebb\u96c0\u867d\u5c0f\uff0c\u5374\u8ba9\u5f88\u591a\u4eba\u79bb\u4e0d\u5f00\u5b83\u3002\u6050\u6015\u5f88\u5c11\u6709\u4eba\u77e5\u9053\uff0c\u8fd9\u5c0f\u5c0f\u7684\u516c\u53f8\u7684\u5fe0\u5b9e\u5ba2\u6237\uff0c\u5305\u62ec\u4e86\u4e00\u7cfb\u5217\u7684\u5927\u62ff\uff1a\u7f8e\u56fd\u5b87\u822a\u5c40\uff0c \u6ce2\u97f3\uff0c \u6d1b\u514b\u5e0c\u5fb7\u9a6c\u4e01\uff0c\u96f7\u795e\uff08Raytheon\uff09\uff0cBAE Systems\uff0c\u4e30\u7530\uff0c\u6b27\u6d32\u539f\u5b50\u80fd\u4e2d\u5fc3\uff08CERN\uff09\u2026\u2026 \u8c8c\u4f3c\u51e0\u4e4e\u6240\u6709\u5bf9\u4ee3\u7801\u8d28\u91cf\u4e0d\u6562\u6709\u4e1d\u6beb\u5dee\u9519\uff0c\u53c8\u4e0d\u5f97\u4e0d\u7528\u50cf C++ \u8fd9\u6837\u6bdb\u75c5\u4f17\u591a\u7684\u8bed\u8a00\u7684\u516c\u53f8\uff0c\u90fd\u8d2d\u4e70\u4e86 Coverity \u7684\u4ea7\u54c1\u3002\u6bd4\u5982\u6700\u8fd1\u7684\u706b\u661f\u597d\u5947\u8005\u53f7\u4e0a\u7684\u6240\u6709 200 \u591a\u4e07\u884c\u4ee3\u7801\uff0c\u90fd\u7ecf\u8fc7\u4e86 Coverity \u7684\u9759\u6001\u5206\u6790\u3002\u5f53\u7136\uff0c\u5982\u6b64\u7cbe\u5bc6\u7684\u8bbe\u5907\u4e0d\u53ef\u80fd\u5149\u9760 Coverity \u67e5\u4e00\u4e0b\u9519\u5c31\u80fd\u786e\u4fdd\u4e07\u65e0\u4e00\u5931\uff0c\u5b83\u5fc5\u987b\u4f9d\u9760\u5f88\u591a\u5176\u5b83\u7684\u6280\u672f\uff0c\u4f46 Coverity \u786e\u5b9e\u662f\u8fd9\u4e9b\u4e1c\u897f\u7684\u5f00\u53d1\u8fc7\u7a0b\u91cc\u9762\u6bd4\u8f83\u91cd\u8981\u7684\u90e8\u5206\u3002<\/font> <\/p>\n

\u6211\u5fc5\u987b\u627f\u8ba4\uff0cCoverity \u7ed9\u4e86\u6211\u8db3\u591f\u7684\u542f\u53d1\uff0c\u751a\u81f3\u95f4\u63a5\u7684\u8ba9\u6211\u53d1\u73b0\u4e86\u81ea\u5df1\u4e4b\u524d\u505a\u7684 Python \u9759\u6001\u5206\u6790\u91cc\u9762\u5b58\u5728\u7684\u4e00\u4e9b\u95ee\u9898\u3002Coverity \u7684\u4ea7\u54c1\u5728\u5927\u89c4\u6a21\u7684\u4ee3\u7801\u4e0a\u9762\u7684\u6210\u529f\uff0c\u4e5f\u8ba9\u6211\u610f\u8bc6\u5230\u4e86\u81ea\u5df1\u5728 Python \u5206\u6790\u5668\u91cc\u7684\u4e00\u4e9b\u7a81\u53d1\u5947\u60f3\u7684\u8bbe\u8ba1\u7684\u6b63\u786e\u6027\u548c\u4ef7\u503c\u3002\u5982\u679c\u6211\u73b0\u5728\u505a\u4e00\u4e2a\u65b0\u7684 Python \u5206\u6790\u5668\uff0c\u5b83\u5c06\u6bd4\u539f\u6765\u7684\u7cbe\u786e\u548c\u9ad8\u6548\uff08\u4e5f\u53ef\u4ee5\u63a8\u5e7f\u5230\u5176\u5b83\u8bed\u8a00\u6bd4\u5982 JavaScript\uff09\u3002\u6211\u4e5f\u6e05\u695a\u7684\u770b\u5230\uff0cCoverity \u81ea\u53d1\u7814\u5236\u7684\u4e00\u4e9b\u201c\u4e0d\u5927\u4e25\u8c28\u201d\u7684\u505a\u6cd5\uff0c\u5176\u5b9e\u6bd4\u7a0b\u5e8f\u8bed\u8a00\u9886\u57df\u91cc\u9762\u4e00\u4e9b\u770b\u4f3c\u9ad8\u6df1\u7684\u201c\u903b\u8f91\u201d\u8fd8\u8981\u201c\u6b63\u786e\u201d\u3002\u8fd9\u4e9b\u5fae\u5999\u7684\u201c\u63d0\u793a\u4fe1\u606f\u201d\uff0c\u8ba9\u6211\u628a\u591a\u4e2a\u9886\u57df\u7684\u77e5\u8bc6\u4e32\u901a\u4e86\u8d77\u6765\u3002\u6240\u4ee5\u6211\u89c9\u5f97\u8ddf\u8fd9\u516c\u53f8\u8fd8\u6709\u70b9\u81ed\u5473\u76f8\u6295\uff0c\u52a0\u5165 Coverity \u4e5f\u662f\u4e0d\u6789\u6b64\u884c\u7684\u3002<\/font> <\/p>\n

\u7136\u800c\u6211\u4e5f\u53d1\u73b0\uff0cCoverity \u7f3a\u5c11\u6211\u62e5\u6709\u7684\u7a0b\u5e8f\u8bed\u8a00\u7406\u8bba\u77e5\u8bc6\u3002\u7edd\u5927\u90e8\u5206\u7684 Coverity \u5de5\u7a0b\u5e08\u6ca1\u6709\u7cfb\u7edf\u7684\u5b66\u4e60\u8fc7 lambda calculus \u548c\u51fd\u6570\u5f0f\u7f16\u7a0b\u3002\u5728\u6211\u7684 Python \u5206\u6790\u5668\u4e2d\uff0c\u5176\u5b9e\u5305\u542b\u4e86 Coverity \u8fd8\u6ca1\u6709\u7684\u6280\u672f\u3002Python \u7684\u9759\u6001\u5206\u6790\u672c\u6765\u5c31\u6bd4 C++ \u548c Java \u4e4b\u7c7b\u7684\u96be\uff0c\u7136\u800c\u6211\u7684\u5b9e\u73b0\u5374\u5f02\u5e38\u7684\u7b80\u5355\u3002\u8fd9\u4e9b\u5fae\u5999\u7684\u6280\u672f\uff0c\u8c8c\u4f3c\u5f88\u591a\u4eba\u90fd\u53ef\u4ee5\u8bf4\u4ed6\u201c\u4f1a\u505a\u201d\uff0c\u4f46\u662f\u4ed6\u4eec\u5374\u5f88\u96be\u628a\u5b83\u505a\u5bf9\u3002\u8fd9\u5c31\u50cf\u201cCPS \u8f6c\u6362\u201d\u4e00\u6837\uff0c\u5f88\u591a\u4eba\u90fd\u8bf4\u4ed6\u4f1a\u505a\uff0c\u53ef\u662f\u771f\u6b63\u505a\u5bf9\u7684\u53ea\u6709\u6781\u5c11\u6570\u4eba\uff08\u6211\u662f\u5176\u4e2d\u4e4b\u4e00\uff09\u3002\u8fd9\u4e9b\u6280\u672f\u6e90\u81ea\u4e8e\u6211\u5bf9\u7a0b\u5e8f\u8bed\u8a00\u672c\u8d28\u7684\u7406\u89e3\uff0c\u6e90\u81ea\u4e8e Dan Friedman, Kent Dybvig \u548c Amr Sabry \u7b49\u8001\u5e08\u7684\u6559\u8bf2\uff0c\u4e5f\u6e90\u81ea\u4e8e\u6211\u81ea\u5df1\u8f9b\u52e4\u7684\u5b9e\u9a8c\uff0c\u5b9e\u9a8c\uff0c\u518d\u5b9e\u9a8c\u2026\u2026 \u5728\u6211\u7b80\u77ed\u800c\u4f18\u96c5\u7684\u4ee3\u7801\u4e2d\uff0c\u5305\u542b\u4e86\u8bb8\u591a\u4eba\u9700\u8981\u82b1\u8d39\u597d\u51e0\u500d\u7684\u4ee3\u7801\u957f\u5ea6\u624d\u80fd\u8fbe\u5230\u7684\u76ee\u6807\u3002\u6240\u4ee5\u867d\u7136 Coverity \u7684\u5de5\u7a0b\u5e08\u4eec\u6280\u672f\u5b9e\u529b\u5f88\u5f3a\uff0c\u4f46\u5728\u4ee3\u7801\u7684\u7b80\u5355\u7a0b\u5ea6\u548c\u5bf9\u7a0b\u5e8f\u8bed\u8a00\u8bed\u4e49\u7684\u7406\u89e3\u4e0a\uff0c\u771f\u7684\u5f88\u96be\u8fbe\u5230\u6211\u7684\u7a0b\u5ea6\u3002<\/font> <\/p>\n

\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u6211\u7ecf\u5e38\u80fd\u591f\u4e00\u773c\u5c31\u770b\u51fa Coverity \u4ea7\u54c1\u91cc\u5b58\u5728\u7684\u95ee\u9898\uff0c\u5e76\u4e14\u5f88\u5feb\u7684\u4fee\u6b63\u9519\u8bef\u3002\u4e3e\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff0c\u6709\u4e00\u5929\u6211\u4fee\u6539\u4e86\u4e00\u884c\u4ee3\u7801\uff0c\u4f7f\u5f97\u4ea7\u54c1\u5728\u67d0\u4e9b benchmark \u4e0a\u7684\u5185\u5b58\u4f7f\u7528\u91cf\u51cf\u5c11\u4e86\u4e00\u534a\u3002\u6211\u4e3a\u4ec0\u4e48\u53ef\u4ee5\u505a\u5230\u8fd9\u4e00\u70b9\u5462\uff1f\u56e0\u4e3a\u5728\u6211\u7684 Python \u5206\u6790\u5668\u91cc\uff0c\u8fd9\u4e2a\u95ee\u9898\u662f\u4ece\u4e00\u5f00\u5934\u5c31\u4e0d\u5b58\u5728\u7684\u3002\u5b83\u6e90\u81ea\u4e8e\u4e00\u79cd\u5e7c\u7a1a\u7684\u89e3\u91ca\u5668\u5199\u6cd5\uff0c\u6709\u70b9\u50cf GoF \u7684\u300aDesign Patterns\u300b\u91cc\u7684\u90a3\u79cd\u3002Coverity \u7684\u4ee3\u7801\u91cc\u9762\u6709\u597d\u4e9b\u7c7b\u4f3c\u7684\u95ee\u9898\uff0c\u90fd\u662f\u6211\u81ea\u5df1\u6839\u672c\u4e0d\u53ef\u80fd\u72af\u7684\u9519\u8bef\uff0c\u6211\u90fd\u6ca1\u6709\u673a\u4f1a\u7ed9\u4ed6\u4eec\u6539\u8fdb\u3002\u6211\u4e0d\u662f\u60f3\u8d2c\u4f4e\u540c\u4e8b\u4eec\u7684\u6c34\u5e73\uff0c\u4ed6\u4eec\u90fd\u662f Stanford, Berkeley \u7b49\u5b66\u6821\u6bd5\u4e1a\u7684\u9ad8\u624b\uff0c\u53ef\u662f\u6211\u4e5f\u5f88\u6e05\u695a\u81ea\u5df1\u7684\u6280\u672f\u5730\u4f4d\u3002<\/font> <\/p>\n

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\u6211\u89c9\u5f97\u505a Coverity \u7684\u5de5\u7a0b\u5e08\u771f\u7d2f\u3002\u8fd9\u79cd\u7d2f\u4e0d\u6b62\u5728\u4e8e<\/font>\u4ee5\u4e0a\u7684\u6280\u672f\u5c42\u9762\u7684\u7e41\u7410\uff0c\u800c\u4e14\u5728\u4e8e\u7ba1\u7406\u5c42\u5bf9\u5de5\u7a0b\u5e08\u7684\u7f3a\u4e4f\u5c0a\u91cd\u4ee5\u53ca\u4e0d\u5fc5\u8981\u7684\u538b\u529b\u3002\u8fd9\u8ba9\u6211\u5728\u53d7\u5230\u4e86\u8db3\u591f\u7684\u201c\u542f\u53d1\u201d\u4e4b\u540e\uff0c\u5f00\u59cb\u6000\u7591\u662f\u5426\u8fd8\u6709\u7ee7\u7eed\u4e3a\u5b83\u5de5\u4f5c\u7684\u4ef7\u503c\u3002\u5bf9\u4e8e\u516c\u53f8\u7ba1\u7406\uff0c\u4ee5\u53ca\u5bf9\u4e8e IT \u884c\u4e1a\u603b\u4f53\u7684\u770b\u6cd5\uff0c\u6211\u8fd8\u662f\u4ee5\u540e\u518d\u8bb2\u5427\u3002<\/font> <\/p>\n

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