{"title":"c++ 20模块的半自动重构:一个半成功的故事","authors":"Richárd Szalay, Z. Porkoláb","doi":"10.1109/SCAM55253.2022.00011","DOIUrl":null,"url":null,"abstract":"The component-based design of software projects is a desired property both for development and ease of code comprehension. Programming languages have long allowed component-based development (e.g., Java packages, Python modules); however, other languages, especially C and C++, had stuck to the “translation unit” model where every source file is individually compiled. The Modules system of C++20 was expected to allow cleaner encapsulation of concern. In this paper, we investigate the effort of a (semi-)automatic modularisation of existing C++ projects. Based on our investigation, upgrading existing software systems to the new Modules feature is extremely hard due to coupling issues arising from necessarily legacy design. Implementing real transition requires a significant redesign of both project-internal and user-facing programming interfaces.","PeriodicalId":138287,"journal":{"name":"2022 IEEE 22nd International Working Conference on Source Code Analysis and Manipulation (SCAM)","volume":"53 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2022-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Semi-Automatic Refactoring to C++20 Modules: A Semi-Success Story\",\"authors\":\"Richárd Szalay, Z. Porkoláb\",\"doi\":\"10.1109/SCAM55253.2022.00011\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The component-based design of software projects is a desired property both for development and ease of code comprehension. Programming languages have long allowed component-based development (e.g., Java packages, Python modules); however, other languages, especially C and C++, had stuck to the “translation unit” model where every source file is individually compiled. The Modules system of C++20 was expected to allow cleaner encapsulation of concern. In this paper, we investigate the effort of a (semi-)automatic modularisation of existing C++ projects. Based on our investigation, upgrading existing software systems to the new Modules feature is extremely hard due to coupling issues arising from necessarily legacy design. Implementing real transition requires a significant redesign of both project-internal and user-facing programming interfaces.\",\"PeriodicalId\":138287,\"journal\":{\"name\":\"2022 IEEE 22nd International Working Conference on Source Code Analysis and Manipulation (SCAM)\",\"volume\":\"53 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2022-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2022 IEEE 22nd International Working Conference on Source Code Analysis and Manipulation (SCAM)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/SCAM55253.2022.00011\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2022 IEEE 22nd International Working Conference on Source Code Analysis and Manipulation (SCAM)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/SCAM55253.2022.00011","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Semi-Automatic Refactoring to C++20 Modules: A Semi-Success Story
The component-based design of software projects is a desired property both for development and ease of code comprehension. Programming languages have long allowed component-based development (e.g., Java packages, Python modules); however, other languages, especially C and C++, had stuck to the “translation unit” model where every source file is individually compiled. The Modules system of C++20 was expected to allow cleaner encapsulation of concern. In this paper, we investigate the effort of a (semi-)automatic modularisation of existing C++ projects. Based on our investigation, upgrading existing software systems to the new Modules feature is extremely hard due to coupling issues arising from necessarily legacy design. Implementing real transition requires a significant redesign of both project-internal and user-facing programming interfaces.
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