Modularisation Plug-in Composition Semantics: Difference between revisions

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New page: {{TODO|This is an internal draft document}} ==Approach 1: Reducing to A-style== ==Approach 2: Atomicity Refinement==
 
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{{TODO|This is an internal draft document}}
{{TODO|This is an internal draft document}}
==The meaning of module composition==
This page explains what it means to import a module and rely on the interface operations implemented by the module. In particular,  how one can, at least in principle, construct a single flat Event-B machine from a specification where a final refinement step and its abstraction rely on modules. This serves two purposes: it gives exact characterisation of the behaviour of a modular specification; it serves as a reference for implementation-stage composition strategies.
==Approach 1: Reducing to A-style==
==Approach 1: Reducing to A-style==


==Approach 2: Atomicity Refinement==
==Approach 2: Atomicity Refinement==

Revision as of 12:34, 22 October 2009

TODO: This is an internal draft document

The meaning of module composition

This page explains what it means to import a module and rely on the interface operations implemented by the module. In particular, how one can, at least in principle, construct a single flat Event-B machine from a specification where a final refinement step and its abstraction rely on modules. This serves two purposes: it gives exact characterisation of the behaviour of a modular specification; it serves as a reference for implementation-stage composition strategies.

Approach 1: Reducing to A-style

Approach 2: Atomicity Refinement