A method for object-oriented reverse engineering. / Um método para engenharia reversa orientada a objetos.

AUTOR(ES)
DATA DE PUBLICAÇÃO

1996

RESUMO

A method composed of four steps to conduct object oriented reverse engineering in systems developed using non object oriented technology is presented. This comprehensive, detailed method showing how to do reverse engineering is an advance to the state of the art as there are no published methods hitherto at this level of detail. The documentation produced by the reverse engineering based on the Fusion Method for object oriented systems development is composed by an Object Model, an Operation Model and a Life Cycle Model. An intermediary set of models directly extracted from the code and from a process/data interaction document is also included with the name of Current Systems Analysis Model. The reverse engineering of a software environment for designing reactive systems is shown in detail. This software comprises 30.000 lines of code in C, spread for 495 procedures grouped in 36 modules. This data dictionary-like document was prepared based on documentation contained in several dissertations and papers and mainly on the code itself. The reactive systems software development environment is described as well as its evolution through several versions, and its application is illustrated by designing the statecharts corresponding to an alarm clock. Facilities to specify activities triggered by the statecharts incorporated to the StatSim environment as part of this thesisare also discussed and applied to the example. The simulation of the controlling statecharts subjected to different possible events is included through diagrams and logs. This example is also used to illustrate a procedure devised for coupling statecharts and activity diagrams in the specification of reactive systems and for using the software environment to verify this specification. The Fusion Method is compared to other methods for object oriented systems development. The reactive systems development environment based on statecharts is situated among other tools for the development of such systems.

ASSUNTO(S)

reengenharia engenharia reversa reengeneering reverse engineering fusion/re orientação a objetos fusion/re object-orientation

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