A syntax-guided multi-task learning approach for Turducken-style code generation

Due to the development of pre-trained language models, automated code generation techniques have shown great promise in recent years. However, the generated code will not always adhere to syntactic constraints of the target language, especially in the case of Turducken-style code, where declarative...

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Vydáno v:Empirical software engineering : an international journal Ročník 28; číslo 6; s. 141
Hlavní autoři: Yang, Guang, Zhou, Yu, Chen, Xiang, Zhang, Xiangyu, Xu, Yiran, Han, Tingting, Chen, Taolue
Médium: Journal Article
Jazyk:angličtina
Vydáno: New York Springer US 01.11.2023
Springer Nature B.V
Témata:
Algorithms
Compilers
Computer Science
Constraint modelling
Decoding
Interpreters
Programming Languages
Representations
Software Engineering/Programming and Operating Systems
Syntax
Turducken-style code
CodeT5
Multi-task learning
Abstract syntax tree
Syntactically-constrained code generation
ISSN:1382-3256, 1573-7616
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Shrnutí:Due to the development of pre-trained language models, automated code generation techniques have shown great promise in recent years. However, the generated code will not always adhere to syntactic constraints of the target language, especially in the case of Turducken-style code, where declarative code snippets are embedded within imperative programs. In this study, we summarize three significant challenges in regards to syntactic constraints: (1) the efficient representation of syntactic constraints, (2) the effective integration of syntactic information, and (3) the scalable syntax-first decoding algorithm. To address these challenges, we propose a syntax-guided multi-task learning approach TurduckenGen. Specifically, we first explicitly append the type information to the code tokens to capture the representation of syntactic constraints. Then we formalize code generation with syntactic constraint representation as an auxiliary task to enable the model to learn the syntactic constraints of the code. Finally, the syntactically correct code is selected accurately from the multiple candidates with the help of the compiler feedback. Extensive experiments and comprehensive analysis demonstrate the effectiveness and general applicability of our approach after being compared with six state-of-the-art baselines on two Turducken-style code datasets. Finally, we conducted a human study and found the code quality generated by our approach is better than baselines in terms of code readability and semantic similarity.
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ISSN:1382-3256
1573-7616
DOI:10.1007/s10664-023-10372-1