Package-Aware Approach for Repository-Level Code Completion in Pharo
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arXiv
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| Main Authors: | , , , , |
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| Format: | Preprint |
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2026
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| _version_ | 1866915718624182272 |
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| author | Abedelkader, Omar Ducasse, Stéphane Zaitsev, Oleksandr Robbes, Romain Polito, Guillermo |
| author_facet | Abedelkader, Omar Ducasse, Stéphane Zaitsev, Oleksandr Robbes, Romain Polito, Guillermo |
| contents | Pharo offers a sophisticated completion engine based on semantic heuristics, which coordinates specific fetchers within a lazy architecture. These heuristics can be recomposed to support various activities (e.g., live programming or history usage navigation). While this system is powerful, it does not account for the repository structure when suggesting global names such as class names, class variables, or global variables. As a result, it does not prioritize classes within the same package or project, treating all global names equally. In this paper, we present a new heuristic that addresses this limitation. Our approach searches variable names in a structured manner: it begins with the package of the requesting class, then expands to other packages within the same repository, and finally considers the global namespace. We describe the logic behind this heuristic and evaluate it against the default semantic heuristic and one that directly queries the global namespace. Preliminary results indicate that the Mean Reciprocal Rank (MRR) improves, confirming that package-awareness completions deliver more accurate and relevant suggestions than the previous flat global approach. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_05617 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Package-Aware Approach for Repository-Level Code Completion in Pharo Abedelkader, Omar Ducasse, Stéphane Zaitsev, Oleksandr Robbes, Romain Polito, Guillermo Software Engineering Pharo offers a sophisticated completion engine based on semantic heuristics, which coordinates specific fetchers within a lazy architecture. These heuristics can be recomposed to support various activities (e.g., live programming or history usage navigation). While this system is powerful, it does not account for the repository structure when suggesting global names such as class names, class variables, or global variables. As a result, it does not prioritize classes within the same package or project, treating all global names equally. In this paper, we present a new heuristic that addresses this limitation. Our approach searches variable names in a structured manner: it begins with the package of the requesting class, then expands to other packages within the same repository, and finally considers the global namespace. We describe the logic behind this heuristic and evaluate it against the default semantic heuristic and one that directly queries the global namespace. Preliminary results indicate that the Mean Reciprocal Rank (MRR) improves, confirming that package-awareness completions deliver more accurate and relevant suggestions than the previous flat global approach. |
| title | Package-Aware Approach for Repository-Level Code Completion in Pharo |
| topic | Software Engineering |
| url | https://arxiv.org/abs/2601.05617 |