Date of Original Version

5-2015

Type

Conference Proceeding

Rights Management

© 2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

Abstract or Description

Application Programming Interfaces (APIs) often define protocols -- restrictions on the order of client calls to API methods. API protocols are common and difficult to use, which has generated tremendous research effort in alternative specification, implementation, and verification techniques. However, little is understood about the barriers programmers face when using these APIs, and therefore the research effort may be misdirected. To understand these barriers better, we perform a two-part qualitative study. First, we study developer forums to identify problems that developers have with protocols. Second, we perform a think-aloud observational study, in which we systematically observe professional programmers struggle with these same problems to get more detail on the nature of their struggles and how they use available resources. In our observations, programmer time was spent primarily on four types of searches of the protocol state space. These observations suggest protocol-targeted tools, languages, and verification techniques will be most effective if they enable programmers to efficiently perform state search.

DOI

10.1109/ICPC.2015.17

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Published In

Proceedings of the IEEE International Conference Program Comprehension (ICPC), 2015, 82-93.