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| URI | http://purl.tuc.gr/dl/dias/516DD474-FCD4-49E7-A38E-FFCB5748E6DA | - |
| Αναγνωριστικό | https://doi.org/10.1145/3485500 | - |
| Αναγνωριστικό | https://dl.acm.org/doi/10.1145/3485500 | - |
| Γλώσσα | en | - |
| Μέγεθος | 30 pages | en |
| Τίτλος | Well-typed programs can go wrong: a study of typing-related bugs in JVM compilers | en |
| Δημιουργός | Chaliasos Stefanos | en |
| Δημιουργός | Sotiropoulos Thodoris | en |
| Δημιουργός | Drosos Georgios-Petros | en |
| Δημιουργός | Mitropoulos Charalampos-Ioannis | en |
| Δημιουργός | Μητροπουλος Χαραλαμπος-Ιωαννης | el |
| Δημιουργός | Mitropoulos Dimitris | en |
| Δημιουργός | Spinellis, Diomidis | en |
| Εκδότης | Association for Computing Machinery (ACM) | en |
| Περίληψη | Despite the substantial progress in compiler testing, research endeavors have mainly focused on detecting compiler crashes and subtle miscompilations caused by bugs in the implementation of compiler optimizations. Surprisingly, this growing body of work neglects other compiler components, most notably the front-end. In statically-typed programming languages with rich and expressive type systems and modern features, such as type inference or a mix of object-oriented with functional programming features, the process of static typing in compiler front-ends is complicated by a high-density of bugs. Such bugs can lead to the acceptance of incorrect programs (breaking code portability or the type system's soundness), the rejection of correct (e.g. well-typed) programs, and the reporting of misleading errors and warnings. We conduct, what is to the best of our knowledge, the first empirical study for understanding and characterizing typing-related compiler bugs. To do so, we manually study 320 typing-related bugs (along with their fixes and test cases) that are randomly sampled from four mainstream JVM languages, namely Java, Scala, Kotlin, and Groovy. We evaluate each bug in terms of several aspects, including their symptom, root cause, bug fix's size, and the characteristics of the bug-revealing test cases. Some representative observations indicate that: (1) more than half of the typing-related bugs manifest as unexpected compile-time errors: the buggy compiler wrongly rejects semantically correct programs, (2) the majority of typing-related bugs lie in the implementations of the underlying type systems and in other core components related to operations on types, (3) parametric polymorphism is the most pervasive feature in the corresponding test cases, (4) one third of typing-related bugs are triggered by non-compilable programs. We believe that our study opens up a new research direction by driving future researchers to build appropriate methods and techniques for a more holistic testing of compilers. | en |
| Τύπος | Peer-Reviewed Journal Publication | en |
| Τύπος | Δημοσίευση σε Περιοδικό με Κριτές | el |
| Άδεια Χρήσης | http://creativecommons.org/licenses/by/4.0/ | en |
| Ημερομηνία | 2023-06-13 | - |
| Ημερομηνία Δημοσίευσης | 2021 | - |
| Θεματική Κατηγορία | Compiler testing | en |
| Θεματική Κατηγορία | Java | en |
| Θεματική Κατηγορία | Scala | en |
| Θεματική Κατηγορία | Groovy | en |
| Θεματική Κατηγορία | Static typing | en |
| Θεματική Κατηγορία | Kotlin | en |
| Θεματική Κατηγορία | Compiler bugs | en |
| Βιβλιογραφική Αναφορά | S. Chaliasos, T. Sotiropoulos, G.-P. Drosos, C. Mitropoulos, D. Mitropoulos and D. Spinellis, “Well-typed programs can go wrong: a study of typing-related bugs in JVM compilers,” Proc. ACM Program. Lang., vol. 5, no. OOPSLA, Oct. 2021, doi: 10.1145/3485500. | en |
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