Module cache 

Thread-local pattern compilation cache for ast-grep patterns.

Caches compiled ast-grep patterns to avoid redundant recompilation. Provides 5-10x speedup for repetitive pattern usage. Cache is capped at 256 entries; oldest entries are evicted when full.

Functions

cache_size

Get cache statistics for monitoring.

clear_cache

Clear the pattern cache (mainly for testing).

get_or_compile_pattern

Get a compiled pattern from cache, or compile and cache it.