Complexity Analysis of Software Based on Function-Call Graph

The scientific study of networks, such as social networks, biological networks and computer networks, is an emerging filed. A large number of recent works have been devoted to the study of community structure and topology in networks. In this paper, we use a function-call graph reconstruction algorithm and present a complex network approach to the study of software engineering. We have examined a function-call graph of software system, and found it to reveal small-world, scale-free features which are similar to those identified in other technological, biological, and sociological systems. The result can contribute to the maintaining of software systems.