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arXiv · 1805.11651

Splitting source code identifiers using Bidirectional LSTM Recurrent Neural Network

Vadim Markovtsev·Waren Long·Egor Bulychev·Romain Keramitas·Konstantin Slavnov·Gabor Markowski
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Abstract

Programmers make rich use of natural language in the source code they write through identifiers and comments. Source code identifiers are selected from a pool of tokens which are strongly related to the meaning, naming conventions, and context. These tokens are often combined to produce more precise and obvious designations. Such multi-part identifiers count for 97% of all naming tokens in the Public Git Archive - the largest dataset of Git repositories to date. We introduce a bidirectional LSTM recurrent neural network to detect subtokens in source code identifiers. We trained that network on 41.7 million distinct splittable identifiers collected from 182,014 open source projects in Public Git Archive, and show that it outperforms several other machine learning models. The proposed network can be used to improve the upstream models which are based on source code identifiers, as well as improving developer experience allowing writing code without switching the keyboard case.

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Vadim Markovtsev, Waren Long, Egor Bulychev, Romain Keramitas, Konstantin Slavnov, Gabor Markowski. 2018-07-19. Splitting source code identifiers using Bidirectional LSTM Recurrent Neural Network. https://arxiv.org/abs/1805.11651

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