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Erschienen in:
2010 | OriginalPaper | Buchkapitel
Weighted Dynamic Pushdown Networks
verfasst von : Alexander Wenner
Erschienen in: Programming Languages and Systems
Verlag: Springer Berlin Heidelberg
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We develop a generic framework for the analysis of programs with recursive procedures and dynamic process creation. To this end we combine the approach of weighted pushdown systems (WPDS) with the model of dynamic pushdown networks (DPN). The resulting model, weighted dynamic pushdown networks (WDPN), describes processes running in parallel, each of them being able to perform pushdown actions, that may spawn new processes as a side effect. As with WPDS, transitions are labelled by weights to carry additional information. Starting from techniques for WPDS and DPN, we derive a method to determine meet-over-all-paths values for the paths between regular sets of configurations of a WDPN. Using this method we are able to solve basic dataflow analysis problems in a parallel context.