coccinelle

Program matching and transformation engine for C code

brewmacoslinux

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Program matching and transformation engine for C code

spatch

Apply a semantic patch to transform C code$ spatch -sp_file transformation.cocci file.c

Match and find code patterns across multiple files$ spatch -sp_file pattern.cocci -dir /path/to/code

Generate a diff without modifying files$ spatch -sp_file fix.cocci file.c --no-show-diff