If you try to recompile the app after editing, make sure you don't delete the public.xml file. If that file is missing, Apktool will reassign IDs non-deterministically, which breaks compatibility with other DEX files that rely on the old IDs.
Reverse engineering enterprise software carries risks. Before decompiling any .r file, ensure you have the legal right to do so.
| Segment | Description | |---------|-------------| | Header | Magic number (e.g., PROGRESS ), version, flags, checksum | | Symbol Table | Names of variables, functions, temp-tables, buffers | | Procedure/Function List | Entry points, parameter signatures | | Token Stream | Bytecode instructions for the abstract stack machine | | Constant Pool | Literals (strings, numbers, dates) | | Debug Info | Optional line number mappings (if compiled with -debug or -r-code-include ) | | Resource Links | References to other .r files (super procedures, include files) | decompile progress r file
In the past, a developer known as "PDECODE" was actively involved in reverse engineering the r-code format. He offered decompilation services and decryption of source code encrypted with Progress' xcode utility. However, information on the current availability of these services is scarce, and links to his old websites (e.g., pdecode.webpark.sk ) are often broken or inactive.
The resulting .lis file exposes preprocessor expansions and include files, which is highly useful for debugging existing R-code behaviors. 2. Commercial and Community Decompilers If you try to recompile the app after
Maintain scripts that COMPILE all .p files into .r and back up both.
Losing the source code to a production Progress OpenEdge application is a stressful scenario, but a .r file is far from a black box. By leveraging schema logs, string extraction, and specialized decompilation utilities, you can successfully reverse-engineer your R-code, salvage your business logic, and bring your legacy systems back under full developmental control. Before decompiling any
Disclaimer: Ensure you have legal rights to decompile the software, as this may violate vendor agreements. 3. OpenEdge Debugger (Dynamic Analysis)
Progress uses unstructured jumps ( GOTO ) internally. We:
Decoding the Build: How to Decompile and Recover Your Progress from an R File