Strategies for software source migration

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Proven software systems are established value in business and in the software industry; but in the fast-moving world of software development, proven systems must constantly adapt to changing external conditions.  The competitiveness and health of Canadian software industry depends on this. When an existing system is adapted to a new environment, a new compiler or programming language, or different support software and operating system appear around it.  One way to manage this adaptation is by "source migration", which involves substantial changes to the source code, in order to maintain it properly in the new environment. In the proposed research, we develop software design recovery from source, and automated source transformation strategies, under four headings: multi-layered software architecture, dialect (compiler version) migration, object-oriented framework migration, and rapid migration plans using dynamic and static analysis.