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Repository-level code completion automatically predicts the unfinished code based on the broader information from the repository. Recent strides in Code Large Language Models (code LLMs) have spurred the development of repository-level code…

Computation and Language · Computer Science 2025-09-22 Sheng Zhang , Yifan Ding , Shuquan Lian , Shun Song , Hui Li

The performance of repository-level code completion depends upon the effective leverage of both general and repository-specific knowledge. Despite the impressive capability of code LLMs in general code completion tasks, they often exhibit…

Software Engineering · Computer Science 2024-09-16 Wei Liu , Ailun Yu , Daoguang Zan , Bo Shen , Wei Zhang , Haiyan Zhao , Zhi Jin , Qianxiang Wang

Repository-level code completion aims to generate code for unfinished code snippets within the context of a specified repository. Existing approaches mainly rely on retrieval-augmented generation strategies due to limitations in input…

Software Engineering · Computer Science 2024-07-31 Yanlin Wang , Yanli Wang , Daya Guo , Jiachi Chen , Ruikai Zhang , Yuchi Ma , Zibin Zheng

Repository-level code generation remains challenging due to complex code dependencies and the limitations of large language models (LLMs) in processing long contexts. While retrieval-augmented generation (RAG) frameworks are widely adopted,…

Software Engineering · Computer Science 2025-03-27 Wenchao Gu , Juntao Chen , Yanlin Wang , Tianyue Jiang , Xingzhe Li , Mingwei Liu , Xilin Liu , Yuchi Ma , Zibin Zheng

Repository-level code generation has attracted growing attention in recent years. Unlike function-level code generation, it requires the model to understand the entire repository, reasoning over complex dependencies across functions,…

Software Engineering · Computer Science 2026-05-07 Chao Hu , Wenhao Zeng , Yuling Shi , Beijun Shen , Xiaodong Gu

Code generation refers to automatically producing executable programs from user requirements. Recently, researchers have explored approaches to enhance the correctness of generated code with advanced large language models. Although…

Software Engineering · Computer Science 2026-04-20 Jia Li , Ruiqi Bai , Yangkang Luo , Yiran Zhang , Wentao Yang , Zeyu Sun , Tiankuo Zhao , Dongming Jin , Lei Li , Zhi Jin

Recent advances in large language models (LLMs) have demonstrated impressive capabilities in code-related tasks, such as code generation and automated program repair. Despite their promising performance, most existing approaches for code…

Software Engineering · Computer Science 2025-09-03 Yicong Zhao , Shisong Chen , Jiacheng Zhang , Zhixu Li

Recent advances in large language models (LLMs) have significantly improved automated code generation. While existing approaches have achieved strong performance at the function and file levels, real-world software engineering requires…

Software Engineering · Computer Science 2026-05-21 Yicheng Tao , Yuante Li , Yao Qin , Yepang Liu

Recent advances in retrieval-augmented generation (RAG) have initiated a new era in repository-level code completion. However, the invariable use of retrieval in existing methods exposes issues in both efficiency and robustness, with a…

Software Engineering · Computer Science 2024-06-05 Di Wu , Wasi Uddin Ahmad , Dejiao Zhang , Murali Krishna Ramanathan , Xiaofei Ma

The task of repository-level code completion is to continue writing the unfinished code based on a broader context of the repository. While for automated code completion tools, it is difficult to utilize the useful information scattered in…

Computation and Language · Computer Science 2023-10-23 Fengji Zhang , Bei Chen , Yue Zhang , Jacky Keung , Jin Liu , Daoguang Zan , Yi Mao , Jian-Guang Lou , Weizhu Chen

Large language models (LLMs) have demonstrated remarkable capabilities in code generation tasks. However, repository-level code generation presents unique challenges, particularly due to the need to utilize information spread across…

Software Engineering · Computer Science 2025-11-24 Zhiyuan Pan , Xing Hu , Xin Xia , Xiaohu Yang

Code completion, which aims to predict the following code token(s) according to the code context, can improve the productivity of software development. Recent work has proved that statistical language modeling with transformers can greatly…

Software Engineering · Computer Science 2022-03-16 Shuai Lu , Nan Duan , Hojae Han , Daya Guo , Seung-won Hwang , Alexey Svyatkovskiy

Retrieval-Augmented Code Generation (RACG) leverages external knowledge to enhance Large Language Models (LLMs) in code synthesis, improving the functional correctness of the generated code. However, existing RACG systems largely overlook…

Cryptography and Security · Computer Science 2025-04-24 Bo Lin , Shangwen Wang , Yihao Qin , Liqian Chen , Xiaoguang Mao

The escalating complexity of modern codebases has intensified the need for retrieval systems capable of interpreting cross-component change intents, a capability fundamentally absent in conventional function-level search paradigms. While…

Software Engineering · Computer Science 2025-10-30 Aofan Liu , Shiyuan Song , Haoxuan Li , Cehao Yang , Yiyan Qi

As coding challenges become more complex, recent advancements in Large Language Models (LLMs) have led to notable successes, such as achieving a 94.6\% solve rate on the HumanEval benchmark. Concurrently, there is an increasing commercial…

Software Engineering · Computer Science 2023-12-19 Douglas Schonholtz

Large Language Models (LLMs) exhibit remarkable code generation capabilities but falter when adapting to frequent updates in external library APIs. This critical limitation, stemming from reliance on outdated API knowledge from their…

Computation and Language · Computer Science 2025-11-25 Haoze Wu , Yunzhi Yao , Wenhao Yu , Ningyu Zhang

Despite Retrieval-Augmented Generation improving code completion, traditional retrieval methods struggle with information redundancy and a lack of diversity within limited context windows. To solve this, we propose a resource-optimized…

Software Engineering · Computer Science 2025-10-14 Xiaohan Chen , Zhongying Pan , Quan Feng , Yu Tian , Shuqun Yang , Mengru Wang , Lina Gong , Yuxia Geng , Piji Li , Xiang Chen

Recent years have witnessed the deployment of code language models (LMs) in various code intelligence tasks such as code completion. Yet, it is challenging for pre-trained LMs to generate correct completions in private repositories.…

Software Engineering · Computer Science 2024-05-31 Wei Cheng , Yuhan Wu , Wei Hu

Code completion models have made significant progress in recent years. Recently, repository-level code completion has drawn more attention in modern software development, and several baseline methods and benchmarks have been proposed.…

The use of large language models (LLMs) is becoming increasingly widespread among software developers. However, privacy and computational requirements are problematic with commercial solutions and the use of LLMs. In this work, we focus on…

Software Engineering · Computer Science 2025-06-17 Marko Hostnik , Marko Robnik-Šikonja
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