Towards Generating Functionally Correct Code Edits from Natural Language Issue Descriptions

• URL: http://arxiv.org/abs/2304.03816v1
• Date: Fri, 7 Apr 2023 18:58:33 GMT
• Title: Towards Generating Functionally Correct Code Edits from Natural Language Issue Descriptions
• Authors: Sarah Fakhoury, Saikat Chakraborty, Madan Musuvathi, and Shuvendu K. Lahiri
• Abstract summary: We introduce Defects4J-NL2Fix, a dataset of 283 Java programs from the popular Defects4J dataset augmented with high-level descriptions of bug fixes. We empirically evaluate the performance of several state-of-the-art LLMs for the this task.
• Score: 11.327913840111378
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Large language models (LLMs), such as OpenAI's Codex, have demonstrated their potential to generate code from natural language descriptions across a wide range of programming tasks. Several benchmarks have recently emerged to evaluate the ability of LLMs to generate functionally correct code from natural language intent with respect to a set of hidden test cases. This has enabled the research community to identify significant and reproducible advancements in LLM capabilities. However, there is currently a lack of benchmark datasets for assessing the ability of LLMs to generate functionally correct code edits based on natural language descriptions of intended changes. This paper aims to address this gap by motivating the problem NL2Fix of translating natural language descriptions of code changes (namely bug fixes described in Issue reports in repositories) into correct code fixes. To this end, we introduce Defects4J-NL2Fix, a dataset of 283 Java programs from the popular Defects4J dataset augmented with high-level descriptions of bug fixes, and empirically evaluate the performance of several state-of-the-art LLMs for the this task. Results show that these LLMS together are capable of generating plausible fixes for 64.6% of the bugs, and the best LLM-based technique can achieve up to 21.20% top-1 and 35.68% top-5 accuracy on this benchmark.

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