Function-to-Style Guidance of LLMs for Code Translation
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arXiv
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| Auteurs principaux: | , , , , , , , , , |
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| Format: | Preprint |
| Publié: |
2025
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| _version_ | 1866915390720835584 |
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| author | Zhang, Longhui Wang, Bin Wang, Jiahao Zhao, Xiaofeng Zhang, Min Yang, Hao Zhang, Meishan Li, Yu Li, Jing Yu, Jun Zhang, Min |
| author_facet | Zhang, Longhui Wang, Bin Wang, Jiahao Zhao, Xiaofeng Zhang, Min Yang, Hao Zhang, Meishan Li, Yu Li, Jing Yu, Jun Zhang, Min |
| contents | Large language models (LLMs) have made significant strides in code translation tasks. However, ensuring both the correctness and readability of translated code remains a challenge, limiting their effective adoption in real-world software development. In this work, we propose F2STrans, a function-to-style guiding paradigm designed to progressively improve the performance of LLMs in code translation. Our approach comprises two key stages: (1) Functional learning, which optimizes translation correctness using high-quality source-target code pairs mined from online programming platforms, and (2) Style learning, which improves translation readability by incorporating both positive and negative style examples. Additionally, we introduce a novel code translation benchmark that includes up-to-date source code, extensive test cases, and manually annotated ground-truth translations, enabling comprehensive functional and stylistic evaluations. Experiments on both our new benchmark and existing datasets demonstrate that our approach significantly improves code translation performance. Notably, our approach enables Qwen-1.5B to outperform prompt-enhanced Qwen-32B and GPT-4 on average across 20 diverse code translation scenarios. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_11083 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Function-to-Style Guidance of LLMs for Code Translation Zhang, Longhui Wang, Bin Wang, Jiahao Zhao, Xiaofeng Zhang, Min Yang, Hao Zhang, Meishan Li, Yu Li, Jing Yu, Jun Zhang, Min Artificial Intelligence Software Engineering Large language models (LLMs) have made significant strides in code translation tasks. However, ensuring both the correctness and readability of translated code remains a challenge, limiting their effective adoption in real-world software development. In this work, we propose F2STrans, a function-to-style guiding paradigm designed to progressively improve the performance of LLMs in code translation. Our approach comprises two key stages: (1) Functional learning, which optimizes translation correctness using high-quality source-target code pairs mined from online programming platforms, and (2) Style learning, which improves translation readability by incorporating both positive and negative style examples. Additionally, we introduce a novel code translation benchmark that includes up-to-date source code, extensive test cases, and manually annotated ground-truth translations, enabling comprehensive functional and stylistic evaluations. Experiments on both our new benchmark and existing datasets demonstrate that our approach significantly improves code translation performance. Notably, our approach enables Qwen-1.5B to outperform prompt-enhanced Qwen-32B and GPT-4 on average across 20 diverse code translation scenarios. |
| title | Function-to-Style Guidance of LLMs for Code Translation |
| topic | Artificial Intelligence Software Engineering |
| url | https://arxiv.org/abs/2507.11083 |