RepoSummary: Feature-Oriented Summarization and Documentation Generation for Code Repositories

• URL: http://arxiv.org/abs/2510.11039v1
• Date: Mon, 13 Oct 2025 06:16:44 GMT
• Title: RepoSummary: Feature-Oriented Summarization and Documentation Generation for Code Repositories
• Authors: Yifeng Zhu, Xianlin Zhao, Xutian Li, Yanzhen Zou, Haizhuo Yuan, Yue Wang, Bing Xie,
• Abstract summary: RepoSummary is a feature-oriented code repository summarization approach.<n>It simultaneously generates repository documentation automatically.<n>It establishes more accurate traceability links from functional features to the corresponding code elements.
• Score: 7.744086870383438
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Repository summarization is a crucial research question in development and maintenance for software engineering. Existing repository summarization techniques primarily focus on summarizing code according to the directory tree, which is insufficient for tracing high-level features to the methods that collaboratively implement them. To address these limitations, we propose RepoSummary, a feature-oriented code repository summarization approach that simultaneously generates repository documentation automatically. Furthermore, it establishes more accurate traceability links from functional features to the corresponding code elements, enabling developers to rapidly locate relevant methods and files during code comprehension and maintenance. Comprehensive experiments against the state-of-the-art baseline (HGEN) demonstrate that RepoSummary achieves higher feature coverage and more accurate traceability. On average, it increases the rate of completely covered features in manual documentation from 61.2% to 71.1%, improves file-level traceability recall from 29.9% to 53.0%, and generates documentation that is more conceptually consistent, easier to understand, and better formatted than that produced by existing approaches.

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