Understanding Fil-C: A Simplified Model of Memory-Safe C/C++ Implementation
By
aw1621107
Crisp on the outside, thoughtful on the inside. A keeper.
Summary
The article presents a simplified model of Fil-C, a memory-safe implementation of C/C++. It explains that while the real Fil-C uses a compiler pass to rewrite LLVM IR, the simplified version is an automated rewrite of C/C++ source code that transforms unsafe code into safe code. The author aims to help newcomers understand the concept by starting with a simplified version before moving to the production-quality implementation.
Key quotes
· 4 pulledI've seen lots of chatter about Fil-C recently, which pitches itself as a memory safe implementation of C/C++
for people coming across it for the first time, I think there is value in showing a simplified version
once you've understood the simplified version it becomes a smaller mental step to then understand the production-quality version
The real Fil-C has a compiler pass which rewrites LLVM IR, whereas the simplified model is an automated rewrite of C/C++ source code: unsafe code is transformed into safe code
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