Quantifying a Legacy Codebase You Can't Rewrite
227 writes. Three semantic traps.
I inherited a 40-year-old codebase.
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Conservative by Design: Transpiling Thousands of Legacy Scripts Without Guessing
A transpiler that flags what it can't do instead of guessing. Revolutionary, apparently.
I need to migrate several thousand scripts from a proprietary language into Python 3. The language is a Python 2.2 dialect with custom builtins bolted on over two decades. No documentation worth the name. No LLM has seen it in training. The scripts run a legacy ERP system, and the... [Read More] -
When Nobody Reads the Code Anymore
I built an AI review pipeline. It works. The team stopped reading the code.
An automated code review pipeline for a legacy codebase. Local LLM, RAG over internal documentation, integrated into CI/CD. Push code, get review comments on the merge request. No manual step, no copy-paste, no context switching. [Read More] -
One Agent Per Domain, Zero Trust
Why one should never use a single AI agent
Migrating a 30+ year old system from a proprietary scripting language to Python 3: thousands of scripts. Hundreds of libraries. Business logic that nobody documented because “everyone knows how it works.” Except the people who knew have left. [Read More] -
When You Can't Embed, Bridge
How a PTY and a marker protocol replaced tens of thousands of lines of C++ bindings.
A 30+ year old ERP system. The core is C. The scripting layer is a proprietary language: thousands of business scripts, a custom interpreter embedded in the C process via tens of thousands of lines of C++ bindings. [Read More]