Standard Delphi decompilers often fail to reconstruct class inheritance trees. Version v110194 uses heuristic scanning to map VMTs, recovering up to 95% of original class definitions—including private and protected methods.

If you are working with modern Delphi binaries (compiled with Delphi 10 Seattle through Delphi 13 Florence), v1.1.0.194 will likely fall short due to changes in the compiler and the shift to 64-bit architectures. Professional researchers today often turn to: delphi decompiler v110194 extra quality

• Delphi compilers produce native Windows executables and DLLs. Depending on the compiler and compilation options (notably optimization and RTTI/TypeInfo settings), portions of high-level constructs (classes, RTTI, method names, virtual tables) may remain embedded in the binary, while other constructs (local variable names, comments, explicit type declarations) are lost.
• Delphi’s runtime library (RTL) and visual component library (VCL) leave recognizable patterns and imports, which decompilers exploit to recover structure.
• Common reverse-engineering goals: recovering lost source, auditing/forensics, security analysis, malware reverse engineering, and interoperability/migration.