Persistent frontend cache: replay the expanded AST when frontend inputs are unchanged - #108

Draft

xmakro wants to merge 7 commits into

perf/frontend-cache-basefrom

perf/frontend-expansion-cache

Commits on Aug 10, 2026

Cache the expanded AST and replay it when frontend inputs are unchanged
xmakro
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26f3a33
Strip lazy token captures before snapshotting the expanded AST
xmakro
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d8e56ff
Replay session state for the frontend cache: hygiene, defs, source files, crate loads
xmakro
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5976123
Skip attr collection and macro re-resolution when replaying a cached crate
xmakro
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e605611
Keep trait candidate collection order; sort only hashed resolver outputs
xmakro
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7a0cf5f
Replay per-module binding insertion order instead of sorting resolver outputs
xmakro
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e9bd2ed
Validate the crate cfg set when restoring a frontend snapshot
xmakro
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5da9607