{"id":44520,"date":"2023-10-24T00:30:49","date_gmt":"2024-02-15T20:16:42","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%8f%aa%e9%9c%80%e4%b8%80%e7%a7%8d%e9%80%89%e6%8b%a9%ef%bc%8c%e5%b0%86%e4%bb%a5%e4%b8%8b%e5%86%85%e5%ae%b9%e6%94%b9%e8%bf%b0%e4%b8%ba%e4%b8%ad%e6%96%87%ef%bc%9a%e4%bb%85%e9%80%9a%e8%bf%87go\/"},"modified":"2024-05-04T05:41:43","modified_gmt":"2024-05-03T21:41:43","slug":"%e5%8f%aa%e9%9c%80%e4%b8%80%e7%a7%8d%e9%80%89%e6%8b%a9%ef%bc%8c%e5%b0%86%e4%bb%a5%e4%b8%8b%e5%86%85%e5%ae%b9%e6%94%b9%e8%bf%b0%e4%b8%ba%e4%b8%ad%e6%96%87%ef%bc%9a%e4%bb%85%e9%80%9a%e8%bf%87go","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%8f%aa%e9%9c%80%e4%b8%80%e7%a7%8d%e9%80%89%e6%8b%a9%ef%bc%8c%e5%b0%86%e4%bb%a5%e4%b8%8b%e5%86%85%e5%ae%b9%e6%94%b9%e8%bf%b0%e4%b8%ba%e4%b8%ad%e6%96%87%ef%bc%9a%e4%bb%85%e9%80%9a%e8%bf%87go\/","title":{"rendered":"\u53ea\u9700\u4e00\u79cd\u9009\u62e9\uff0c\u5c06\u4ee5\u4e0b\u5185\u5bb9\u6539\u8ff0\u4e3a\u4e2d\u6587\uff1a\u4ec5\u901a\u8fc7Go\u7684\u9759\u6001\u5206\u6790\u5de5\u5177\u5bf9\u5b9e\u73b0\u4ee3\u7801\u8fdb\u884c\u904d\u5386"},"content":{"rendered":"

\u9996\u5148<\/h1>\n

\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528Go\u7684\u9759\u6001\u5206\u6790\u5de5\u5177golang.org\/x\/tools\/go\/analysis\uff0c\u5e76\u4f7f\u7528golang.org\/x\/tools\/go\/analysis\/passes\/inspect\u6765\u904d\u5386\u8bed\u6cd5\u6811\u3002\u7136\u800c\uff0c\u7531\u4e8e\u8be5\u5de5\u5177\u4f1a\u904d\u5386\u9664\u4e86\u5b9e\u73b0\u4ee3\u7801\u4ee5\u5916\u7684\u5185\u5bb9\uff0c\u56e0\u6b64\u5728\u521b\u5efa\u4e13\u6ce8\u4e8e\u5b9e\u73b0\u4ee3\u7801\u7684\u9759\u6001\u5206\u6790\u5de5\u5177\u65f6\u53ef\u80fd\u4f1a\u59a8\u788d\u3002<\/p>\n

\u518d\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528 Nodes \u8fdb\u884c\u904d\u5386\uff0c\u5e76\u89e3\u91ca\u5982\u4f55\u7528\u5b83\u6765\u6392\u9664\u6d4b\u8bd5\u6587\u4ef6\u548c\u751f\u6210\u6587\u4ef6\u3002<\/p>\n

\u4f7f\u7528\u9884\u8d2d\u8fdb\u884c\u626b\u63cf<\/h1>\n

\u8003\u8651\u4e00\u79cd\u9759\u6001\u5206\u6790\u5de5\u5177\uff0c\u7528\u4e8e\u5217\u51fa\u5df2\u5b9a\u4e49\u7684\u51fd\u6570\u540d\u79f0\u3002\u901a\u8fc7\u4f7f\u7528 Preorder\uff0c\u53ef\u4ee5\u76f8\u5f53\u7b80\u5355\u5730\u7f16\u5199\u51fa\u4e00\u4efd\u770b\u8d77\u6765\u76f8\u7b26\u5408\u7684\u4ee3\u7801\u3002<\/p>\n

package<\/span> funcdecl<\/span>\r\n\r\nimport<\/span> (<\/span>\r\n    \"go\/ast\"<\/span>\r\n\r\n    \"golang.org\/x\/tools\/go\/analysis\"<\/span>\r\n    \"golang.org\/x\/tools\/go\/analysis\/passes\/inspect\"<\/span>\r\n    \"golang.org\/x\/tools\/go\/ast\/inspector\"<\/span>\r\n)<\/span>\r\n\r\nvar<\/span> Analyzer<\/span> =<\/span> &<\/span>analysis<\/span>.<\/span>Analyzer<\/span>{<\/span>\r\n    Name<\/span>:<\/span>     \"funcdecl\"<\/span>,<\/span>\r\n    Doc<\/span>:<\/span>      `find function declarations`<\/span>,<\/span>\r\n    Requires<\/span>:<\/span> []<\/span>*<\/span>analysis<\/span>.<\/span>Analyzer<\/span>{<\/span>inspect<\/span>.<\/span>Analyzer<\/span>},<\/span>\r\n    Run<\/span>:<\/span>      run<\/span>,<\/span>\r\n}<\/span>\r\n\r\nfunc<\/span> run<\/span>(<\/span>pass<\/span> *<\/span>analysis<\/span>.<\/span>Pass<\/span>)<\/span> (<\/span>interface<\/span>{},<\/span> error<\/span>)<\/span> {<\/span>\r\n    inspect<\/span> :=<\/span> pass<\/span>.<\/span>ResultOf<\/span>[<\/span>inspect<\/span>.<\/span>Analyzer<\/span>]<\/span>.<\/span>(<\/span>*<\/span>inspector<\/span>.<\/span>Inspector<\/span>)<\/span>\r\n\r\n    inspect<\/span>.<\/span>Preorder<\/span>([]<\/span>ast<\/span>.<\/span>Node<\/span>{<\/span>\r\n        (<\/span>*<\/span>ast<\/span>.<\/span>FuncDecl<\/span>)(<\/span>nil<\/span>),<\/span> \/\/ \u95a2\u5fc3\u306e\u3042\u308b\u30ce\u30fc\u30c9\u306e\u7a2e\u985e\u306e\u5024\u3092\u5217\u6319\u3059\u308b\uff08\u3053\u306e\u4f8b\u3067\u306f\u95a2\u6570\u5b9a\u7fa9\u306e\u307f\uff09<\/span>\r\n    },<\/span> func<\/span>(<\/span>node<\/span> ast<\/span>.<\/span>Node<\/span>)<\/span> {<\/span>\r\n        f<\/span> :=<\/span> node<\/span>.<\/span>(<\/span>*<\/span>ast<\/span>.<\/span>FuncDecl<\/span>)<\/span>\r\n        pass<\/span>.<\/span>Reportf<\/span>(<\/span>f<\/span>.<\/span>Pos<\/span>(),<\/span> `found %s`<\/span>,<\/span> f<\/span>.<\/span>Name<\/span>)<\/span>\r\n    })<\/span>\r\n\r\n    return<\/span> nil<\/span>,<\/span> nil<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u7136\u800c\uff0c\u8fd9\u5b58\u5728\u4e00\u4e2a\u95ee\u9898\uff0c\u5373\u6d4b\u8bd5\u6587\u4ef6\u548c\u7531\u751f\u6210\u5668\u751f\u6210\u7684\u6587\u4ef6\u4e5f\u4f1a\u88ab\u5305\u62ec\u5728\u5185\u3002\u5728\u4e0b\u9762\u7684\u4f8b\u5b50\u4e2d\uff0ca_test.go\u662f\u6d4b\u8bd5\u6587\u4ef6\uff0c\u6700\u540e\u4e00\u4e2a\u7f13\u5b58\u5219\u662f\u7531\u6784\u5efa\u751f\u6210\u7684\u6587\u4ef6\u3002\u6211\u4eec\u5e0c\u671b\u6392\u9664\u8fd9\u4e9b\u6587\u4ef6\u3002<\/p>\n
$<\/span> funcdecl .\/...\r\n\/Users\/ichiban\/src\/funcdecl\/testdata\/src\/a\/a.go:3:1: found main\r\n\/Users\/ichiban\/src\/funcdecl\/testdata\/src\/a\/a.go:7:1: found Foo\r\n\/Users\/ichiban\/src\/funcdecl\/testdata\/src\/a\/a_test.go:7:1: found TestFoo\r\n\/Users\/ichiban\/Library\/Caches\/go-build\/be\/bef6acc9728a13887659154cd4c2d9b8fb8e3d8d505ef63aeba17380c0b75212-d:34:1: found init\r\n\/Users\/ichiban\/Library\/Caches\/go-build\/be\/bef6acc9728a13887659154cd4c2d9b8fb8e3d8d505ef63aeba17380c0b75212-d:40:1: found main\r\n<\/span><\/code><\/pre>\n
\u4f7f\u7528Nodes\u8fdb\u884c\u904d\u5386<\/h1>\n
\u8282\u70b9\u6bd4\u5148\u5e8f\u904d\u5386\u7a0d\u5fae\u590d\u6742\u4e00\u4e9b\uff0c\u4f46\u53ef\u4ee5\u66f4\u7ec6\u81f4\u5730\u63a7\u5236\uff0c\u5e76\u4e14\u53ef\u4ee5\u6392\u9664\u7279\u5b9a\u7684\u5b50\u6811\u3002<\/p>\n
\u4e0e\u5148\u524d\u9884\u8ba2\uff08Preorder\uff09\u7684\u533a\u522b\u5728\u4e8e\u56de\u8c03\u51fd\u6570\u88ab\u8c03\u7528\u4e24\u6b21\uff0c\u9488\u5bf9\u4e00\u4e2a\u8282\u70b9\u3002\u7b2c\u4e00\u6b21\u8c03\u7528\u53d1\u751f\u5728\u5904\u7406\u5b50\u8282\u70b9\u4e4b\u524d\uff0cpush\u53c2\u6570\u88ab\u4f20\u5165\u4e3atrue\u3002\u53e6\u5916\uff0c\u5982\u679c\u8fd4\u56defalse\u4f5c\u4e3a\u8fd4\u56de\u503c\uff0c\u5219\u4e0d\u518d\u5904\u7406\u5b50\u8282\u70b9\u6240\u5728\u7684\u5b50\u6811\u3002\u7b2c\u4e8c\u6b21\u8c03\u7528\u53d1\u751f\u5728\u5904\u7406\u5b50\u8282\u70b9\uff08\u53ca\u5176\u6240\u5728\u5b50\u6811\uff09\u4e4b\u540e\uff0cpush\u53c2\u6570\u88ab\u4f20\u5165\u4e3afalse\uff0c\u8fd4\u56de\u503c\u5c06\u88ab\u5ffd\u7565\u3002<\/p>\n
package<\/span> funcdecl<\/span>\r\n\r\nimport<\/span> (<\/span>\r\n    \"go\/ast\"<\/span>\r\n\r\n    \"golang.org\/x\/tools\/go\/analysis\"<\/span>\r\n    \"golang.org\/x\/tools\/go\/analysis\/passes\/inspect\"<\/span>\r\n    \"golang.org\/x\/tools\/go\/ast\/inspector\"<\/span>\r\n)<\/span>\r\n\r\nvar<\/span> Analyzer<\/span> =<\/span> &<\/span>analysis<\/span>.<\/span>Analyzer<\/span>{<\/span>\r\n    Name<\/span>:<\/span>     \"funcdecl\"<\/span>,<\/span>\r\n    Doc<\/span>:<\/span>      `find function declarations`<\/span>,<\/span>\r\n    Requires<\/span>:<\/span> []<\/span>*<\/span>analysis<\/span>.<\/span>Analyzer<\/span>{<\/span>inspect<\/span>.<\/span>Analyzer<\/span>},<\/span>\r\n    Run<\/span>:<\/span>      run<\/span>,<\/span>\r\n}<\/span>\r\n\r\nfunc<\/span> run<\/span>(<\/span>pass<\/span> *<\/span>analysis<\/span>.<\/span>Pass<\/span>)<\/span> (<\/span>interface<\/span>{},<\/span> error<\/span>)<\/span> {<\/span>\r\n    inspect<\/span> :=<\/span> pass<\/span>.<\/span>ResultOf<\/span>[<\/span>inspect<\/span>.<\/span>Analyzer<\/span>]<\/span>.<\/span>(<\/span>*<\/span>inspector<\/span>.<\/span>Inspector<\/span>)<\/span>\r\n\r\n    inspect<\/span>.<\/span>Nodes<\/span>([]<\/span>ast<\/span>.<\/span>Node<\/span>{<\/span>\r\n        (<\/span>*<\/span>ast<\/span>.<\/span>FuncDecl<\/span>)(<\/span>nil<\/span>),<\/span> \/\/ \u95a2\u5fc3\u306e\u3042\u308b\u30ce\u30fc\u30c9\u306e\u7a2e\u985e\u306e\u5024\u3092\u5217\u6319\u3059\u308b\uff08\u3053\u306e\u4f8b\u3067\u306f\u95a2\u6570\u5b9a\u7fa9\u306e\u307f\uff09<\/span>\r\n    },<\/span> func<\/span>(<\/span>n<\/span> ast<\/span>.<\/span>Node<\/span>,<\/span> push<\/span> bool<\/span>)<\/span> bool<\/span> {<\/span>\r\n        if<\/span> !<\/span>push<\/span> {<\/span> \/\/ \u5b50\u30ce\u30fc\u30c9\u3092\u51e6\u7406\u3059\u308b\u524d\u306b\u3060\u3051\u95a2\u5fc3\u304c\u3042\u308b<\/span>\r\n            return<\/span> false<\/span>\r\n        }<\/span>\r\n\r\n        f<\/span> :=<\/span> n<\/span>.<\/span>(<\/span>*<\/span>ast<\/span>.<\/span>FuncDecl<\/span>)<\/span>\r\n        pass<\/span>.<\/span>Reportf<\/span>(<\/span>f<\/span>.<\/span>Pos<\/span>(),<\/span> `found %s`<\/span>,<\/span> f<\/span>.<\/span>Name<\/span>)<\/span>\r\n\r\n        return<\/span> false<\/span> \/\/ \u95a2\u6570\u5b9a\u7fa9\u306f\u30cd\u30b9\u30c8\u3057\u306a\u3044\u306e\u3067\u30b5\u30d6\u30c4\u30ea\u30fc\u306b\u306f\u95a2\u5fc3\u304c\u306a\u3044<\/span>\r\n    })<\/span>\r\n\r\n    return<\/span> nil<\/span>,<\/span> nil<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u8fd9\u5c06\u4ea7\u751f\u4e0e\u4e4b\u524d\u4f7f\u7528\u524d\u5e8f\u904d\u5386\u76f8\u540c\u7684\u7ed3\u679c\u3002<\/p>\n
$<\/span> funcdecl .\/...\r\n\/Users\/ichiban\/src\/funcdecl\/testdata\/src\/a\/a.go:3:1: found main\r\n\/Users\/ichiban\/src\/funcdecl\/testdata\/src\/a\/a.go:7:1: found Foo\r\n\/Users\/ichiban\/src\/funcdecl\/testdata\/src\/a\/a_test.go:7:1: found TestFoo\r\n\/Users\/ichiban\/Library\/Caches\/go-build\/be\/bef6acc9728a13887659154cd4c2d9b8fb8e3d8d505ef63aeba17380c0b75212-d:34:1: found init\r\n\/Users\/ichiban\/Library\/Caches\/go-build\/be\/bef6acc9728a13887659154cd4c2d9b8fb8e3d8d505ef63aeba17380c0b75212-d:40:1: found main\r\n<\/span><\/code><\/pre>\n
\u4f7f\u7528\u8fd9\u4e2a\u6765\u9010\u6e10\u6392\u9664\u95ee\u9898\u6587\u4ef6\u3002<\/p>\n
\u6392\u9664\u6d4b\u8bd5\u6587\u4ef6<\/h1>\n
\u7531\u4e8e\u6d4b\u8bd5\u6587\u4ef6\u7684\u6587\u4ef6\u540d\u672b\u5c3e\u662f _test.go\uff0c\u56e0\u6b64\u53ef\u4ee5\u6839\u636e\u8fd9\u4e2a\u6761\u4ef6\u8fdb\u884c\u6392\u9664\u3002<\/p>\n
package<\/span> funcpattern<\/span>\r\n\r\nimport<\/span> (<\/span>\r\n    \"go\/ast\"<\/span>\r\n    \"regexp\"<\/span>\r\n    \"strings\"<\/span>\r\n\r\n    \"golang.org\/x\/tools\/go\/analysis\"<\/span>\r\n    \"golang.org\/x\/tools\/go\/analysis\/passes\/inspect\"<\/span>\r\n    \"golang.org\/x\/tools\/go\/ast\/inspector\"<\/span>\r\n)<\/span>\r\n\r\nvar<\/span> Analyzer<\/span> =<\/span> &<\/span>analysis<\/span>.<\/span>Analyzer<\/span>{<\/span>\r\n    Name<\/span>:<\/span>     \"funcdecl\"<\/span>,<\/span>\r\n    Doc<\/span>:<\/span>      `find function declarations`<\/span>,<\/span>\r\n    Requires<\/span>:<\/span> []<\/span>*<\/span>analysis<\/span>.<\/span>Analyzer<\/span>{<\/span>inspect<\/span>.<\/span>Analyzer<\/span>},<\/span>\r\n    Run<\/span>:<\/span>      run<\/span>,<\/span>\r\n}<\/span>\r\n\r\nfunc<\/span> run<\/span>(<\/span>pass<\/span> *<\/span>analysis<\/span>.<\/span>Pass<\/span>)<\/span> (<\/span>interface<\/span>{},<\/span> error<\/span>)<\/span> {<\/span>\r\n    inspect<\/span> :=<\/span> pass<\/span>.<\/span>ResultOf<\/span>[<\/span>inspect<\/span>.<\/span>Analyzer<\/span>]<\/span>.<\/span>(<\/span>*<\/span>inspector<\/span>.<\/span>Inspector<\/span>)<\/span>\r\n\r\n    inspect<\/span>.<\/span>Nodes<\/span>([]<\/span>ast<\/span>.<\/span>Node<\/span>{<\/span>\r\n        (<\/span>*<\/span>ast<\/span>.<\/span>File<\/span>)(<\/span>nil<\/span>),<\/span> \/\/ \u95a2\u6570\u5b9a\u7fa9\u3060\u3051\u3067\u306a\u304f\u30d5\u30a1\u30a4\u30eb\u306b\u3082\u95a2\u5fc3\u304c\u51fa\u305f<\/span>\r\n        (<\/span>*<\/span>ast<\/span>.<\/span>FuncDecl<\/span>)(<\/span>nil<\/span>),<\/span>\r\n    },<\/span> func<\/span>(<\/span>n<\/span> ast<\/span>.<\/span>Node<\/span>,<\/span> push<\/span> bool<\/span>)<\/span> bool<\/span> {<\/span>\r\n        if<\/span> !<\/span>push<\/span> {<\/span>\r\n            return<\/span> false<\/span>\r\n        }<\/span>\r\n\r\n        switch<\/span> n<\/span> :=<\/span> n<\/span>.<\/span>(<\/span>type<\/span>)<\/span> {<\/span>\r\n        case<\/span> *<\/span>ast<\/span>.<\/span>File<\/span>:<\/span>\r\n            f<\/span> :=<\/span> pass<\/span>.<\/span>Fset<\/span>.<\/span>File<\/span>(<\/span>n<\/span>.<\/span>Pos<\/span>())<\/span>\r\n            return<\/span> !<\/span>strings<\/span>.<\/span>HasSuffix<\/span>(<\/span>f<\/span>.<\/span>Name<\/span>(),<\/span> \"_test.go\"<\/span>)<\/span> \/\/ \u672b\u5c3e\u304c `_test.go` \u3067\u3042\u308b\u30b5\u30d6\u30c4\u30ea\u30fc\u306b\u306f\u95a2\u5fc3\u304c\u306a\u3044<\/span>\r\n        case<\/span> *<\/span>ast<\/span>.<\/span>FuncDecl<\/span>:<\/span>\r\n            pass<\/span>.<\/span>Reportf<\/span>(<\/span>f<\/span>.<\/span>Pos<\/span>(),<\/span> `found %s`<\/span>,<\/span> n<\/span>.<\/span>Name<\/span>)<\/span>\r\n            return<\/span> false<\/span>\r\n        default<\/span>:<\/span>\r\n            panic<\/span>(<\/span>n<\/span>)<\/span>\r\n        }<\/span>\r\n    })<\/span>\r\n\r\n    return<\/span> nil<\/span>,<\/span> nil<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u6d4b\u8bd5\u6587\u4ef6\u5df2\u88ab\u6392\u9664\u3002<\/p>\n
$<\/span> funcdecl .\/...\r\n\/Users\/ichiban\/src\/funcdecl\/testdata\/src\/a\/a.go:3:1: found main\r\n\/Users\/ichiban\/src\/funcdecl\/testdata\/src\/a\/a.go:7:1: found Foo\r\n\/Users\/ichiban\/Library\/Caches\/go-build\/be\/bef6acc9728a13887659154cd4c2d9b8fb8e3d8d505ef63aeba17380c0b75212-d:34:1: found init\r\n\/Users\/ichiban\/Library\/Caches\/go-build\/be\/bef6acc9728a13887659154cd4c2d9b8fb8e3d8d505ef63aeba17380c0b75212-d:40:1: found main\r\n<\/span><\/code><\/pre>\n
\u6392\u9664\u7531\u751f\u6210\u5668\u751f\u6210\u7684\u6587\u4ef6\u3002<\/h1>\n
\u751f\u6210\u5668\u4ea7\u751f\u7684\u6587\u4ef6\u4e2d\u5e94\u5305\u542b\u6ce8\u91ca\u201cDO NOT EDIT\u201d\uff0c\u4f5c\u4e3a\u7528\u6237\uff0c\u4e0d\u5e94\u8be5\u66f4\u6539\u4ee3\u7801\u3002\u56e0\u6b64\uff0c\u9759\u6001\u5206\u6790\u5de5\u5177\u7684\u62a5\u544a\u5c06\u4f1a\u59a8\u788d\u4f7f\u7528\u8005\u3002<\/p>\n
\u5b9e\u9645\u4e0a\uff0c\u8fd9\u4e2a\u6ce8\u91ca \/\/ Code generated * DO NOT EDIT. \u53ef\u4ee5\u7528\u6765\u5224\u65ad\u6587\u4ef6\u662f\u5426\u662f\u751f\u6210\u7684\u3002<\/p>\n
package<\/span> funcdecl<\/span>\r\n\r\nimport<\/span> (<\/span>\r\n    \"go\/ast\"<\/span>\r\n    \"regexp\"<\/span>\r\n    \"strings\"<\/span>\r\n\r\n    \"golang.org\/x\/tools\/go\/analysis\"<\/span>\r\n    \"golang.org\/x\/tools\/go\/analysis\/passes\/inspect\"<\/span>\r\n    \"golang.org\/x\/tools\/go\/ast\/inspector\"<\/span>\r\n)<\/span>\r\n\r\nvar<\/span> Analyzer<\/span> =<\/span> &<\/span>analysis<\/span>.<\/span>Analyzer<\/span>{<\/span>\r\n    Name<\/span>:<\/span>     \"funcdecl\"<\/span>,<\/span>\r\n    Doc<\/span>:<\/span>      `find function declarations`<\/span>,<\/span>\r\n    Requires<\/span>:<\/span> []<\/span>*<\/span>analysis<\/span>.<\/span>Analyzer<\/span>{<\/span>inspect<\/span>.<\/span>Analyzer<\/span>},<\/span>\r\n    Run<\/span>:<\/span>      run<\/span>,<\/span>\r\n}<\/span>\r\n\r\nfunc<\/span> run<\/span>(<\/span>pass<\/span> *<\/span>analysis<\/span>.<\/span>Pass<\/span>)<\/span> (<\/span>interface<\/span>{},<\/span> error<\/span>)<\/span> {<\/span>\r\n    inspect<\/span> :=<\/span> pass<\/span>.<\/span>ResultOf<\/span>[<\/span>inspect<\/span>.<\/span>Analyzer<\/span>]<\/span>.<\/span>(<\/span>*<\/span>inspector<\/span>.<\/span>Inspector<\/span>)<\/span>\r\n\r\n    inspect<\/span>.<\/span>Nodes<\/span>([]<\/span>ast<\/span>.<\/span>Node<\/span>{<\/span>\r\n        (<\/span>*<\/span>ast<\/span>.<\/span>File<\/span>)(<\/span>nil<\/span>),<\/span>\r\n        (<\/span>*<\/span>ast<\/span>.<\/span>FuncDecl<\/span>)(<\/span>nil<\/span>),<\/span>\r\n    },<\/span> func<\/span>(<\/span>n<\/span> ast<\/span>.<\/span>Node<\/span>,<\/span> push<\/span> bool<\/span>)<\/span> bool<\/span> {<\/span>\r\n        if<\/span> !<\/span>push<\/span> {<\/span>\r\n            return<\/span> false<\/span>\r\n        }<\/span>\r\n\r\n        switch<\/span> n<\/span> :=<\/span> n<\/span>.<\/span>(<\/span>type<\/span>)<\/span> {<\/span>\r\n        case<\/span> *<\/span>ast<\/span>.<\/span>File<\/span>:<\/span>\r\n            f<\/span> :=<\/span> pass<\/span>.<\/span>Fset<\/span>.<\/span>File<\/span>(<\/span>n<\/span>.<\/span>Pos<\/span>())<\/span>\r\n            if<\/span> strings<\/span>.<\/span>HasSuffix<\/span>(<\/span>f<\/span>.<\/span>Name<\/span>(),<\/span> \"_test.go\"<\/span>)<\/span> {<\/span>\r\n                return<\/span> false<\/span>\r\n            }<\/span>\r\n\r\n            return<\/span> !<\/span>generated<\/span>(<\/span>n<\/span>)<\/span> \/\/ \u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u3067\u751f\u6210\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u306e\u30b5\u30d6\u30c4\u30ea\u30fc\u306b\u306f\u95a2\u5fc3\u304c\u306a\u3044<\/span>\r\n        case<\/span> *<\/span>ast<\/span>.<\/span>FuncDecl<\/span>:<\/span>\r\n            pass<\/span>.<\/span>Reportf<\/span>(<\/span>n<\/span>.<\/span>Pos<\/span>(),<\/span> `found %s`<\/span>,<\/span> n<\/span>.<\/span>Name<\/span>)<\/span>\r\n            return<\/span> false<\/span>\r\n        default<\/span>:<\/span>\r\n            panic<\/span>(<\/span>n<\/span>)<\/span>\r\n        }<\/span>\r\n    })<\/span>\r\n\r\n    return<\/span> nil<\/span>,<\/span> nil<\/span>\r\n}<\/span>\r\n\r\n\/\/ https:\/\/github.com\/golang\/go\/issues\/13560#issuecomment-288457920<\/span>\r\nvar<\/span> pattern<\/span> =<\/span> regexp<\/span>.<\/span>MustCompile<\/span>(<\/span>`^\/\/ Code generated .* DO NOT EDIT\\.$`<\/span>)<\/span>\r\n\r\n\/\/ \u30d5\u30a1\u30a4\u30eb\u306e\u3069\u3053\u304b\u306b\u751f\u6210\u3055\u308c\u305f\u3053\u3068\u3092\u8868\u3059\u30b3\u30e1\u30f3\u30c8\u304c\u3042\u308b<\/span>\r\nfunc<\/span> generated<\/span>(<\/span>f<\/span> *<\/span>ast<\/span>.<\/span>File<\/span>)<\/span> bool<\/span> {<\/span>\r\n    for<\/span> _<\/span>,<\/span> c<\/span> :=<\/span> range<\/span> f<\/span>.<\/span>Comments<\/span> {<\/span>\r\n        for<\/span> _<\/span>,<\/span> l<\/span> :=<\/span> range<\/span> c<\/span>.<\/span>List<\/span> {<\/span>\r\n            if<\/span> pattern<\/span>.<\/span>MatchString<\/span>(<\/span>l<\/span>.<\/span>Text<\/span>)<\/span> {<\/span>\r\n                return<\/span> true<\/span>\r\n            }<\/span>\r\n        }<\/span>\r\n    }<\/span>\r\n    return<\/span> false<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u751f\u6210\u5668\u751f\u6210\u7684\u6587\u4ef6\u4e5f\u88ab\u6392\u9664\u6389\u3002<\/p>\n
$<\/span> funcdecl .\/...\r\n\/Users\/ichiban\/src\/funcdecl\/testdata\/src\/a\/a.go:3:1: found main\r\n\/Users\/ichiban\/src\/funcdecl\/testdata\/src\/a\/a.go:7:1: found Foo\r\n<\/span><\/code><\/pre>\n
\u6700\u540e\u4e00\u53e5<\/h1>\n
\u4ecb\u7ecd\u4e86\u4f7f\u7528Nodes\u8fdb\u884c\u904d\u5386\uff0c\u5e76\u901a\u8fc7\u5b83\u8bf4\u660e\u4e86\u6392\u9664\u6d4b\u8bd5\u6587\u4ef6\u548c\u751f\u6210\u7684\u6587\u4ef6\u7684\u65b9\u6cd5\u3002<\/p>\n
\u8bdd\u867d\u5982\u6b64\uff0c\u6bcf\u6b21\u90fd\u660e\u793a\u5730\u6392\u9664\u8fd9\u4e9b\u6587\u4ef6\u8fd8\u662f\u5f88\u9ebb\u70e6\u3002\u4e3a\u4e86\u65b9\u4fbf\u8d77\u89c1\uff0c\u6211\u4e8b\u5148\u521b\u5efa\u4e86\u4e00\u4e2a\u5305\u88c5\u5668ichiban\/prodinspect\u6765\u6392\u9664\u5b83\u4eec\uff0c\u8bf7\u5229\u7528\u5b83\u3002\u4f7f\u7528\u6b64\u5305\u88c5\u5668\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u51e0\u4e4e\u4e0e\u4e4b\u524dPreorder\u793a\u4f8b\u76f8\u540c\u7684\u4ee3\u7801\u83b7\u5f97\u9884\u671f\u7ed3\u679c\u3002<\/p>\n
package<\/span> funcdecl<\/span>\r\n\r\nimport<\/span> (<\/span>\r\n    \"go\/ast\"<\/span>\r\n\r\n    \"golang.org\/x\/tools\/go\/analysis\"<\/span>\r\n\r\n    \"github.com\/ichiban\/prodinspect\"<\/span>\r\n)<\/span>\r\n\r\nvar<\/span> Analyzer<\/span> =<\/span> &<\/span>analysis<\/span>.<\/span>Analyzer<\/span>{<\/span>\r\n    Name<\/span>:<\/span>     \"funcdecl\"<\/span>,<\/span>\r\n    Doc<\/span>:<\/span>      `find function declarations`<\/span>,<\/span>\r\n    Requires<\/span>:<\/span> []<\/span>*<\/span>analysis<\/span>.<\/span>Analyzer<\/span>{<\/span>prodinspect<\/span>.<\/span>Analyzer<\/span>},<\/span>\r\n    Run<\/span>:<\/span>      run<\/span>,<\/span>\r\n}<\/span>\r\n\r\nfunc<\/span> run<\/span>(<\/span>pass<\/span> *<\/span>analysis<\/span>.<\/span>Pass<\/span>)<\/span> (<\/span>interface<\/span>{},<\/span> error<\/span>)<\/span> {<\/span>\r\n    inspect<\/span> :=<\/span> pass<\/span>.<\/span>ResultOf<\/span>[<\/span>prodinspect<\/span>.<\/span>Analyzer<\/span>]<\/span>.<\/span>(<\/span>*<\/span>prodinspect<\/span>.<\/span>Inspector<\/span>)<\/span>\r\n\r\n    inspect<\/span>.<\/span>Preorder<\/span>([]<\/span>ast<\/span>.<\/span>Node<\/span>{<\/span>\r\n        (<\/span>*<\/span>ast<\/span>.<\/span>FuncDecl<\/span>)(<\/span>nil<\/span>),<\/span>\r\n    },<\/span> func<\/span>(<\/span>n<\/span> ast<\/span>.<\/span>Node<\/span>)<\/span> {<\/span>\r\n        f<\/span> :=<\/span> n<\/span>.<\/span>(<\/span>*<\/span>ast<\/span>.<\/span>FuncDecl<\/span>)<\/span>\r\n        pass<\/span>.<\/span>Reportf<\/span>(<\/span>f<\/span>.<\/span>Pos<\/span>(),<\/span> `found %s`<\/span>,<\/span> f<\/span>.<\/span>Name<\/span>)<\/span>\r\n    })<\/span>\r\n\r\n    return<\/span> nil<\/span>,<\/span> nil<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
$<\/span> funcdecl .\/...\r\n\/Users\/ichiban\/src\/funcdecl\/testdata\/src\/a\/a.go:3:1: found main\r\n\/Users\/ichiban\/src\/funcdecl\/testdata\/src\/a\/a.go:7:1: found Foo\r\n<\/span><\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u9996\u5148 \u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528Go\u7684\u9759\u6001\u5206\u6790\u5de5\u5177golang.org\/x\/tools\/go\/analysis\uff0c\u5e76 […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-44520","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u53ea\u9700\u4e00\u79cd\u9009\u62e9\uff0c\u5c06\u4ee5\u4e0b\u5185\u5bb9\u6539\u8ff0\u4e3a\u4e2d\u6587\uff1a\u4ec5\u901a\u8fc7Go\u7684\u9759\u6001\u5206\u6790\u5de5\u5177\u5bf9\u5b9e\u73b0\u4ee3\u7801\u8fdb\u884c\u904d\u5386 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u53ea\u9700\u4e00\u79cd\u9009\u62e9\uff0c\u5c06\u4ee5\u4e0b\u5185\u5bb9\u6539\u8ff0\u4e3a\u4e2d\u6587\uff1a\u4ec5\u901a\u8fc7go\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u53ea\u9700\u4e00\u79cd\u9009\u62e9\uff0c\u5c06\u4ee5\u4e0b\u5185\u5bb9\u6539\u8ff0\u4e3a\u4e2d\u6587\uff1a\u4ec5\u901a\u8fc7Go\u7684\u9759\u6001\u5206\u6790\u5de5\u5177\u5bf9\u5b9e\u73b0\u4ee3\u7801\u8fdb\u884c\u904d\u5386\" \/>\n<meta property=\"og:description\" content=\"\u9996\u5148 \u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528Go\u7684\u9759\u6001\u5206\u6790\u5de5\u5177golang.org\/x\/tools\/go\/analysis\uff0c\u5e76 […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u53ea\u9700\u4e00\u79cd\u9009\u62e9\uff0c\u5c06\u4ee5\u4e0b\u5185\u5bb9\u6539\u8ff0\u4e3a\u4e2d\u6587\uff1a\u4ec5\u901a\u8fc7go\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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