A Virtual Machine for the Insense Language

Cameron, Callum; Harvey, Paul; Sventek, J.

doi:10.1109/mobilware.2013.17

Cited by 2 publications

(3 citation statements)

References 41 publications

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“…EnsembleS is implemented in C, and supports reference-counted garbage collection and exceltions. Applications are compiled to Java source code, and then to custom Java class files for use with a custom VM [10]. These applications can be executed on the desktop, parallel accelerators (e.g.…”

Section: Methodsmentioning

confidence: 99%

“…Next, the boot clause binds the actor's channels together (line 22, discussed later in § 3.3). Once bound, the sender actor sends the contents of value on its channel, increments it, and goes back to the beginning of its behaviour loop (lines [8][9][10][11]. The receiver actor waits for a message, binds the message to data, displays it, and returns to the top of its behaviour loop (lines [14][15][16][17][18].…”

Section: Ensembles: Basic Language Featuresmentioning

confidence: 99%

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Multiparty Session Types for Safe Runtime Adaptation in an Actor Language (Extended version)

Harvey,

Fowler,

Dardha

et al. 2021

Preprint

Self Cite

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Human fallibility, unpredictable operating environments, and the heterogeneity of hardware devices are driving the need for software to be able to adapt as seen in the Internet of Things or telecommunication networks. Unfortunately, mainstream programming languages do not readily allow a software component to sense and respond to its operating environment, by discovering, replacing, and communicating with components that are not part of the original system design, while maintaining static correctness guarantees. In particular, if a new component is discovered at runtime, there is no guarantee that its communication behaviour is compatible with existing components.We address this problem by using multiparty session types with explicit connection actions, a type formalism used to model distributed communication protocols. By associating session types with software components, the discovery process can check protocol compatibility and, when required, correctly replace components without jeapordising safety.We present the design and implementation of EnsembleS, the first actor-based language with adaptive features and a static session type system, and apply it to a case study based on an adaptive DNS server. We formalise the type system of EnsembleS and prove the safety of well-typed programs, making essential use of recent advances in non-classical multiparty session types.

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Section: Methodsmentioning

confidence: 99%

Section: Ensembles: Basic Language Featuresmentioning

confidence: 99%

Multiparty Session Types for Safe Runtime Adaptation in an Actor Language (Extended version)

Harvey,

Fowler,

Dardha

et al. 2021

Preprint

Self Cite

View full text Add to dashboard Cite

show abstract

“…However, this choice often forces to sacrifice features for acceptable resource consumption, leading to partial implementations [ 3 , 4 , 5 , 6 ]. More generally, high-level languages are not easily applicable to embedded devices programming and resource constraints are major issues in developing and debugging such systems [ 7 ].…”

Section: Introductionmentioning

confidence: 99%

Knowledge-Based Verification of Concatenative Programming Patterns Inspired by Natural Language for Resource-Constrained Embedded Devices

Gaglio

Martorella

et al. 2020

Sensors

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We propose a methodology to verify applications developed following programming patterns inspired by natural language that interact with physical environments and run on resource-constrained interconnected devices. Natural language patterns allow for the reduction of intermediate abstraction layers to map physical domain concepts into executable code avoiding the recourse to ontologies, which would need to be shared, kept up to date, and synchronized across a set of devices. Moreover, the computational paradigm we use for effective distributed execution of symbolic code on resource-constrained devices encourages the adoption of such patterns. The methodology is supported by a rule-based system that permits runtime verification of Software Under Test (SUT) on board the target devices through automated oracle and test case generation. Moreover, verification extends from syntactic and semantic checks to the evaluation of the effects of SUT execution on target hardware. Additionally, by exploiting rules tying sensors and actuators to physical quantities, the effects of code execution on the physical environment can be verified. The system is also able to build test code to highlight software issues that may arise during repeated SUT execution on the target hardware.

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A Virtual Machine for the Insense Language

Cited by 2 publications

References 41 publications

Multiparty Session Types for Safe Runtime Adaptation in an Actor Language (Extended version)

Multiparty Session Types for Safe Runtime Adaptation in an Actor Language (Extended version)

Knowledge-Based Verification of Concatenative Programming Patterns Inspired by Natural Language for Resource-Constrained Embedded Devices

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