pyparsingã‚’Antlr4ã§ç½®ãæ›ãˆã¦æ€§èƒ½ã‚’5å€ã«ã—㟠- Qiita検索クエリã®parse処ç†ã®æ€§èƒ½ã‚’上ã’ã‚‹å¿…è¦ãŒã‚ã‚Šã€pyparsingを使ã£ã¦parse処ç†ã—ã¦ã„ãŸã¨ã“ã‚ã‚’Antlr4ã«ã™ã‚‹ã“ã¨ã§å‡¦ç†æ€§èƒ½ãŒ5å€ã»ã©å‘上ã—ãŸã€‚ Antlr4ã¯è‡ªåˆ†ã¨ã—ã¦ã¯ã¨ã£ã¤ãã«ãã„イメージãŒã‚ã‚Šã€å®Ÿéš›ä½¿ã„ã“ãªã—ã«çµæ§‹ãƒãƒžã£ãŸã®ã§ã€ä½¿ã„方を共有ã—ã¾ã™ã€‚改善点ãŒã‚ã‚Œã°æ˜¯éžçªã£è¾¼ã‚“ã§ã„ãŸã ã‘ã‚‹ã¨å¬‰ã—ã„ã§ã™ï¼ pyparsingを使ã£ã¦ã¾ã—ãŸãŒã€Antlr4ã¸ã®ç½®ãæ›ãˆã§ã‚‚Pythonã®ã‚³ãƒ¼ãƒ‰ã‚’生æˆã—ã¦python runtimeã§å®Ÿè¡Œã—ã¦ã„ã¾ã™ã€‚ Antlrã¨ã¯ ANTLR(ANother Tool for Language Recognition)ã§ã€parserã®generatorã§ã‚ã‚‹ å—å¥è§£æžå™¨ã€æ–‡æ³•è§£æžæ©Ÿã‚’定義ã™ã‚‹ã¨ã€Javaã€Python(2,3)ã€Goãªã©ã„ã¤ãã‹ã®è¨€èªžã®parserを生æˆã™ã‚‹ã“ã¨ãŒã§ãã‚‹ ドã‚ュメント的ã«ã¯Python3.4対応ã¨æ›¸ã„ã¦ã‚ã‚‹ãŒ
https://pypi.org/project/antlr-plsql/
GitHub - antlr/grammars-v4: Grammars written for ANTLR v4; expectation that the grammars are free of actions.
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