Skip to content

Filter traces based on dependency key and value #29

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
aherrmann wants to merge 1 commit into
base: main
Choose a base branch
from
Open

Filter traces based on dependency key and value #29

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
7 changes: 4 additions & 3 deletions src/Build/Trace.hs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -93,8 +93,8 @@ constructCT key fetchHash (CT ts) = catMaybes <$> mapM match ts
newtype DCT k v = DCT [Trace k v v] deriving (Monoid, Semigroup, Show)

-- | Extract the tree of input dependencies of a given key.
deepDependencies :: (Eq k, Hashable v) => DCT k v -> Hash v -> k -> [k]
deepDependencies (DCT ts) valueHash key =
deepDependencies :: (Eq k, Hashable v) => DCT k v -> (k, Hash v) -> [k]
deepDependencies (DCT ts) (key, valueHash) =
case [ map fst deps | Trace k deps v <- ts, k == key, hash v == valueHash ] of
[] -> [key] -- The @key@ is an input
(deps:_) -> deps -- We assume there is only one record for a pair (k, v)
Expand All @@ -104,7 +104,8 @@ deepDependencies (DCT ts) valueHash key =
recordDCT :: forall k v m. (Eq k, Hashable v, Monad m)
=> k -> v -> [k] -> (k -> m (Hash v)) -> DCT k v -> m (DCT k v)
recordDCT key value deps fetchHash dct@(DCT ts) = do
let deepDeps = concatMap (deepDependencies dct $ hash value) deps
depHs <- mapM fetchHash deps
let deepDeps = concatMap (deepDependencies dct) (zip deps depHs)
hs <- mapM fetchHash deepDeps
return $ DCT $ Trace key (zip deepDeps hs) value : ts

Expand Down