Lightning Talk: Coccinelle for C++
summary
Coccinelle for C++ extends the 15‑year‑old C tool to match and rewrite C++ source across a codebase, targeting modernization of HPC code and library migration. It uses semantic patches—git‑diff style minus/plus patterns with metavariables—to rewrite every matching occurrence, including a C++23 multi‑index/array‑reference example. It supports control‑flow‑aware "..." patterns, macro‑aware matching, Python integration, and produces human‑readable, debuggable transformations that run across projects.
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