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Integrating discrete controller synthesis into a reactive programming language compiler

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Abstract

We define a mixed imperative/declarative programming language: declarative contracts are enforced upon imperatively described behaviors. This paper describes the semantics of the language, making use of the notion of Discrete Controller Synthesis (DCS). We target the application domain of adaptive and reconfigurable systems: our language can serve programming closed-loop adaptation controllers, enabling flexible execution of functionalities w.r.t. changing resource and environment conditions. DCS is integrated into a1 programming language compiler, which facilitates its use by users and programmers, performing executable code generation. The tool is concretely built upon the basis of a reactive programming language compiler, where the nodes describe behaviors that can be modeled in terms of transition systems. Our compiler integrates this with a DCS tool, making it a new environment for formal methods. We define the trace semantics of our contracts language, describe its compilation and establish its correctness, and discuss implementation and examples.

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Notes

  1. Such emissions on transitions, used here for simplicity, are easily translated to equations associated with states, as in Fig. 4.

  2. Note that there exists a one to one mapping from a node f (only handling Boolean variables) to \({\cal S}_f\).

  3. An observer is simply an STS allowing to capture a safety property over the sequences of the systems (e.g. the event a does not occur twice in a row in the system). As usual, we assume that an observer is complete so that when performing the composition with the STS of the system, the behavior of the resulting STS is not changed.

  4. Experiments carried out on a 64 bits dual-core PC, 2.93 GHz, with 3.8 Gb of RAM.

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Authors and Affiliations

  1. Univ. Grenoble, LIG, Grenoble, France

    Gwenaël Delaval

  2. INRIA/LIG, Grenoble, France

    Eric Rutten

  3. INRIA, Rennes, France

    Hervé Marchand

Authors
  1. Gwenaël Delaval
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  2. Eric Rutten
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  3. Hervé Marchand
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Corresponding author

Correspondence to Hervé Marchand.

Additional information

This work was partly supported by the Minalogic project MIND and the ANR project Ctrl-Green.

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Delaval, G., Rutten, E. & Marchand, H. Integrating discrete controller synthesis into a reactive programming language compiler. Discrete Event Dyn Syst 23, 385–418 (2013). https://doi.org/10.1007/s10626-013-0163-5

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