NDLI: Matriona: class nesting with parameterization in Squeak/Smalltalk

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Matriona: class nesting with parameterization in Squeak/Smalltalk

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Matriona: class nesting with parameterization in Squeak/Smalltalk

Content Provider	ACM Digital Library
Author	Masuhara, Hidehiko Niephaus, Fabio Springer, Matthias Hirschfeld, Robert
Abstract	We present Matriona, a module system for Squeak, a Smalltalk dialect. It supports class nesting and parameterization and is based on a hierarchical name lookup mechanism. Matriona solves a range of modularity issues in Squeak. Instead of a flat class organization, it provides a hierarchical namespace, that avoids name clashes and allows for shorter local names. Furthermore, it provides a way to share behavior among classes and modules using mixins and class hierarchy inheritance (a form of inheritance that subclasses an entire class family), respectively. Finally, it allows modules to be externally configurable, which is a form of dependency management decoupling a module from the actual implementation of its dependencies. Matriona is implemented on top of Squeak by introducing a new keyword for run-time name lookups through a reflective mechanism, without modifying the underlying virtual machine. We evaluate Matriona with a series of small applications and will demonstrate how its features can benefit modularity when porting a simple application written in plain Squeak to Matriona. .
Starting Page	118
Ending Page	129
Page Count	12
File Format	PDF
ISBN	9781450339957
DOI	10.1145/2889443.2889457
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2016-03-14
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Class hierarchy inheritance Class nesting Mixin modularity Class parameterization
Content Type	Text
Resource Type	Article

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