NDLI: A higher-order extension for imperative synchronous languages

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A higher-order extension for imperative synchronous languages

Content Provider	ACM Digital Library
Author	Talpin, Jean-Pierre Vecchié, Eric Boisgérault, Sébastien
Abstract	This article presents the very first effective design of higher-order modules in the synchronous programming language Esterel. Higher-order modules, together with the robust separate compilation scheme that implements it, allow us to address a yet unexplored application spectrum ranging from rapid prototyping of embedded functionality to hot reconfiguration of embedded software within the formal modeling framework of the "synchronous hypothesis". While extensions of data-flow synchronous languages had already been proposed for Lustre [11] and Signal [25], the adaptation of similar programming concepts to imperative synchronous frameworks like Esterel has long posed major technical challenges, due to the specificity of its model of computation. We present a framework including a formal semantics, a type system, and a modular code generator, that tackle this challenge. We consider a specific stack-based module call convention and a simple event pooling protocol; in consequence signals can refer to modules and modules can be transmitted and instantiated by referencing a signal. We define a type system that computes the potential emissions of a module and prove it sound. Our type system seamlessly fits an extension of Esterel's constructive semantics with higher-order modules.
Starting Page	1
Ending Page	10
Page Count	10
File Format	PDF
ISBN	9781450300841
DOI	10.1145/1811212.1811222
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2010-06-28
Publisher Place	New York
Access Restriction	Subscribed
Content Type	Text
Resource Type	Article

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