GoAst Viewer Golang AST visualizer. @yuroyoro | https://github.com/yuroyoro/goast-viewer Source Parse AST Tree Collapse all Expand all Dump {{ dump }}
ããã«ã¡ã¯ã ast-grepã®ä½è Herringtonã§ãã æ£è¦è¡¨ç¾ã§ã³ã¼ããæ¤ç´¢ãããã¨ãããæ¹ãªããè¤æ°è¡ã®ãããã³ã°ãå ¥ãåæ§é ã®å¦çãã³ã¡ã³ãã®ç¡è¦ãªã©ã«è¦å´ãããã¨ãããããããã¾ããã ããã§ãast-grep VSCodeã¨ããæ°ããæ¡å¼µãç´¹ä»ãã¾ããããã¯ãæ§é çæ¤ç´¢ã¨ç½®æï¼SSRï¼ã¨ããæè¡ãå©ç¨ãã¦ãããæ£ç¢ºã§å¹ççãªæ¤ç´¢ã¨ç½®æãå®ç¾ãããã¼ã«ã§ãã æ§é æ¤ç´¢ã¯ï¼ ããã¹ãæ¤ç´¢ã¨ç½®æã®éç ä¾ãã°ãJavaScriptã³ã¼ãããªãã¡ã¯ã¿ãªã³ã°ãã¦ãlodash ã® _.filter é¢æ°ããã¤ãã£ãã® Array.prototype.filter ã¡ã½ãã ã«ç½®ãæãããã¨ãã¾ããåç´ãªããã¹ãæ¤ç´¢ã¨ç½®æã¯æ¬¡ã®ããã«ãªãã¾ã: ããã¯ä¸é¨ã®ã±ã¼ã¹ã§ã¯ãã¾ãããããããã¾ããããããã¤ãã®åé¡ãããã¾ãã ä¸è¡ã®å¼ãããããã³ã°ã§ãã¾ãããã³ã¼ããè¤æ°è¡ã«ã¾ããã£ã¦ã
大è¦æ¨¡ãªã³ã¼ããã¼ã¹åãã®é«éãªASTãã¼ã«ã¨ãã¦ast-grepã¨ãããã®ããããããã«ã¤ãã¦ã®èª¿æ»ã¡ã¢ã 主ã«ä»¥ä¸ã®å ¬å¼ããã¥ã¡ã³ããèªã¿é²ãã¦ãå©ç¨æ¹æ³ããã¿ã¼ã³ãã«ã¼ã«ã®è©³ç´°ãªã©ã«ã¤ãã¦ç解ãæ·±ããã ast-grepã¨ã¯ å ¬å¼ããã¥ã¡ã³ãã§ã¯ãã³ã¼ãã®æ¤ç´¢ããLintãcodemodã«è³ãã¾ã§ASTãã¼ã«ã¨ãã¦ç¶²ç¾ çã«ã«ãã¼ã§ãããã¼ã«ã§ãããã¨ã以ä¸ã®ããã«è¡¨ç¾ããã¦ããã Think ast-grep as an hybrid of grep, eslint and codemod. çµæã«ç²¾åº¦ãæ±ããããå ´é¢ã§ã¯ãé«éã§ãããã®ã®ç²¾å¯ãã«æ¬ ããããã¹ããã¼ã¹ã§ã¯ãªããASTãã¼ã¹ã§ã®æ£ç¢ºãªè§£æã®æ¹ãæã¾ããã ãããã©ãASTã§ã®è¨è¿°ã¯é常ã«é¢åã«ãªããã¡ã¨ããå´é¢ãããã ãã®ç¹ã«ããã¦ast-grepã¯ãããã¹ããã¼ã¹ã§ã®grepã§ã¯ãªããASTãã¼ã¹ã§ã®grepã¨ããã
Semgrep CodeFind and fix the issues that matter in your code (SAST)
ã¯ããã« ããã«ã¡ã¯ãLayerXã® id:convto ã§ãã ããã¦ãã㯠LayerX ã¢ããã³ãã«ã¬ã³ãã¼ (æ¦å¿µ) ã®1æ¥ç®ã®è¨äºã§ãã ã¢ããã³ãã«ã¬ã³ãã¼çãä¸ãã¦ããããã¨ãããã¨ã§11æããå§ã¾ããããã§ããã ãã¶ãã©ã¤ã³ã°ãã¦ããã©æ ãããªãåã¾ã£ã¦ã¦ãããã ãã£ãããªã®ã§ãç¥ãåå ãããããã¨ãããã¨ã§ä¸çºç®ã§ãããããããé¡ããã¾ãã éç解æã¤ãããã¨ãããã£ãã ã¡ããã©ã¤ãæè¿è¨äºã«ãªã£ãä¸è¨ã®è¼ªèªä¼ããã£ããã§ããã tech.layerx.co.jp ãã®ãªãã§ãmapã®range accesssã«ã¤ãã¦ãå mapã®copyãåããªãããç ´å£ããã¨ã«ã¼ãæåãå£ããå¯è½æ§ãããæ¨ãè¨åããã¦ãã¾ããã ãã®ã¨ãã¯éè«ã§ãrange accessãã¦ãmapã«åä»£å ¥ãã¦ããæãï¼ã¿ãããªèãæ¹ã§æ´çãããéç解æã§ãããã£ãããããã¿ãããªè©±ããããã§ãã
Weâre going to write useful linter for Go using go/analysis. Then we will integrate it into go vet and golangci-lint. What to lint Letâs find all printf-like functions that donât end with f. Itâs the Go convention to name such functions with f at the end: fmt.Sprintf, fmt.Errorf, fmt.Printf, fmt.Fprintf, fmt.Scanf, fmt.Sscanf, log.Printf, log.Fatalf, log.Panicf. Writing a simple linter Sample prog
æ¬æ¸ã¯æè¡æ¸å ¸6ã§@knsh14ã¨å ±ã«å·çããé å¸ãããã®ã§ããï¼ç§»åã«ããã£ã¦ãã£ããæ´æ°ã¯ãã¾ãããï¼2022å¹´5æç¾å¨ã§ã¯å 容ãå¤ããªã£ã¦ããå¯è½æ§ãããã¾ããææ°ã®æ å ±ãç¥ãããå ´åã¯å ¬å¼ããã¥ã¡ã³ãã¾ã㯠httsp://tenn.in/analhysis ãã覧ãã ããã èªè ã®ã¿ãªããã¯éç解æãã¼ã«ãèªä½ãããã¨ã¯ããã¾ããï¼ã³ã¼ãã¬ãã¥ã¼ã§é »åºãããããªææäºé ã¯éç解æãã¼ã«ã使ã£ã¦èªååããã¨ã³ã¼ãã¬ãã¥ã¼ã«åãããå·¥æ°ãæ¸ãã¾ããgolintãgo vetãªã©ã¯ä½¿ã£ã¦ããæ¹ã¯å¤ãã§ãããã æ¨æºã®ãã®ããµã¼ããã¼ãã£è£½ãªã©æ§ã ãªéç解æãã¼ã«ãè¦ããã¾ããããããèªåãã¡ã®éçºãã¼ã ã®äºæ ãæ±²ãã éç解æãã¼ã«ãè¦ã¤ããã®ã¯é£ããã§ãããããããªã¨ãã«è«¦ãã¦ãã¾ããã«èªä½ããã¨ããé¸æè¢ãããã¾ãã æ¬æ¸ã¯Goã§éç解æãè¡ãéã«éå¼ãã¨ãã¦ä½¿ããããã«æ¸ãã¦ãã¾ã
ã¯ããã« çããã¯gorenameã¨ãããã¼ã«ããåç¥ã§ããããï¼ golang.org/x/tools/cmd/gorenameã§å ¬éããã¦ãããGoã®ãªãã¡ã¯ã¿ãªã³ã°ãã¼ã«ã§ãã ããã§ã¯ããã®ãã¼ã«ãèªåã®ã³ã¼ãä¸ã§ã©ã¤ãã©ãªã¨ãã¦ä½¿ãæ¹æ³ã¨ä½¿ãããããªãã¡ã¯ã¿ãªã³ã°ãã¼ã«ã®å½¢ã«ã¤ãã¦èª¬æã§ããã°ã¨æãã¾ãã ãªããããã§æ±ã話ã¯VimConf 2016ã«ããã¦ãã¨ããã£ã¿ã®å£ãè¶ããGoã®éçºãã¼ã«ã®æåã¨ä½ææ³ï¼ãããªï¼ã¨ããã¿ã¤ãã«ã§è©±ãããã®ã¨ãä¸é¨éè¤ãã¦ãã¾ãã®ã§ããã¡ããããã£ããè¦ã¦ä¸ããã gorenameã使ã£ã¦ã¿ã ã¾ãã¯ãgorenameãã¤ã³ã¹ãã¼ã«ãã¦ä½¿ã£ã¦ã¿ã¾ãããããã§ã«ä½¿ã£ããã¨ããæ¹ã¯ããã¯é£ã°ãã¦ããã£ã¦æ§ãã¾ããã ãããããã¨ãã使ãã®IDEãã¨ãã£ã¿ã«ãã£ã¦ãã§ã«ã¤ã³ã¹ãã¼ã«ããã¦ããããããã¾ããã vim-goãã使ãã®æ¹ã¯ã:GoRe
ã¯ããã«Goè¨èªã§ã¯ãæ¨æºããã±ã¼ã¸ã§ããgoããã±ã¼ã¸ãåå¥è§£æãæ§æ解æãè¡ãæ©è½ãæä¾ãã¦ãã¾ãã go/astãgo/parserã使ã£ã¦æ§æ解æã®ã¯ããã®ä¸æ©ãè¸ã¿åºãã¦ã¿ã¾ãã åèQiita | goããã±ã¼ã¸ã§ç°¡åã«éç解æãã¦ä¸çãåºããã #golang éç解æãå¦ã¶éã«åèã«ãªãè¨äºã®ã¾ã¨ãï¼tenntennããçï¼ç¨èªèª¬æéç解æã¨ã¯éçã³ã¼ã解æãéçããã°ã©ã 解æã¨ãè¨ãã¾ãã ã½ã¼ã¹ã³ã¼ãã å®è¡ãããã¨ãªã 解æãè¡ããã¨ãæãã¾ãã 対義èªã¯åç解æã§ãã½ã¼ã¹ã³ã¼ããå®è¡ãã¦è§£æãè¡ããã¨ã表ãã¾ãã ãã¡ãã¯ããã°ã©ããæ®æ®µè¡ãªã£ã¦ãããããªæ¤è¨¼æ¹æ³ã§ãã æ½è±¡æ§ææ¨(AST)ã¨ã¯abstract syntax tree. æ§æ解æã®çµéãçµæãããè¨èªã®æå³ã«é¢ä¿ãªãæ å ±ãåãé¤ããæå³ã«é¢ä¿ããæ å ±ã®ã¿ãåãåºããããªã¼ç¶ï¼æ¨ï¼ã®ãã¼ã¿æ§é ã®ãã¨ã§
14. éç解æã¨ã³ã¼ãçæ ããã°ã©ãã³ã°è¨èªGoå®å ¨å ¥é @tenntenn
ãªãªã¼ã¹ãé害æ å ±ãªã©ã®ãµã¼ãã¹ã®ãç¥ãã
ææ°ã®äººæ°ã¨ã³ããªã¼ã®é ä¿¡
å¦çãå®è¡ä¸ã§ã
j次ã®ããã¯ãã¼ã¯
kåã®ããã¯ãã¼ã¯
lãã¨ã§èªã
eã³ã¡ã³ãä¸è¦§ãéã
oãã¼ã¸ãéã
{{#tags}}- {{label}}
{{/tags}}