.svg){kind=logo}
Documenting FORTRAN
LegacyMap transforms legacy FORTRAN systems into fully documented, navigable applications by extracting subroutine hierarchies and control flows. Designed for OpenVMS-based environments, our solution helps teams preserve institutional knowledge and prepare confidently for modernization or audits.
Structured Documentation for FORTRAN Legacy Systems
LegacyMap brings long-standing FORTRAN applications into focus with automated callgraph generation, control-flow mapping, and intelligent documentation. From engineering and scientific systems to critical infrastructure platforms, FORTRAN remains deeply embedded across industries—and understanding it shouldn’t require a team of archaeologists.
LegacyMap analyzes your FORTRAN codebase to uncover structure, logic, and dependencies, transforming opaque source files into clean, interactive documentation. We identify subroutine relationships, file and I/O operations, shared data structures, and module interactions—then export everything into developer-friendly formats like HTML, PDF, and LaTeX.
Key Features of Our FORTRAN Tooling
• Subroutine & Module Mapping – Automatically build callgraphs from FORTRAN 77, 90, and 95 source code, revealing execution flows and modular structure.
• I/O Access Detection – Identify READ and WRITE operations, file dependencies, and shared data access across your application.
• COMMON Block Analysis – Track shared memory and global state across modules to pinpoint dependencies and tight coupling.
• Doxygen-Compatible Output – Export fully cross-referenced documentation for use in searchable web portals or printed formats.
Why Teams Use LegacyMap for FORTRAN
• Accelerate Developer Ramp-Up – Help new engineers understand legacy systems faster through visual diagrams and linked source context.
• Simplify Maintenance and Debugging – Get a clear picture of how subroutines interact, where data moves, and what logic is reused.
• Enable Confident Refactoring – Identify redundant code, unused modules, and risky dependencies before making changes.
• Modernize with Clarity – Use documentation as a launchpad for replatforming or re-architecting your system with full visibility.
LegacyMap helps you make sense of the past so you can plan for the future. Reveal the structure, logic, and lifeblood of your FORTRAN systems—with zero code changes and maximum insight.
