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Automated COSMIC Function Points Measurement for C Program Using Regular Expressions

Abstract:

Functional size measurement (FSM) is an important basis for measuring productivity and estimating the effort required for software activities. Automating FSM can be very valuable for organizations with a large number of projects to measure in a very short time, and there are several issues related to manual FSM, including measurement errors due to human measurers, the cost of measurement, measurers’ subjective interpretations, and assumptions regarding the project scope. This paper presents an automated FSM for the C programming language, selected for being the most popular programming language from 1965 to 2020 and, as of January 1, 2022, in the second position after Python language. The FSM procedure is based on COSMIC ISO 19761, which is an FSM method designed based on metrology and software engineering principles. An automated measurement prototype tool was also introduced. The automated measurement tool can be useful for organizations and practitioners.