diff options
| author | Andreas Klebinger <klebinger.andreas@gmx.at> | 2021-07-30 16:51:07 +0200 |
|---|---|---|
| committer | Marge Bot <ben+marge-bot@smart-cactus.org> | 2021-08-03 10:17:29 -0400 |
| commit | bd2874000ffa72f9d1f98b2223a37e6cc3c78567 (patch) | |
| tree | c0ae44c649e2fcb05659e191e34e4ad023d704b5 /compiler | |
| parent | c0e66524077019bbb6839d46e97d7b1e72c57685 (diff) | |
| download | haskell-bd2874000ffa72f9d1f98b2223a37e6cc3c78567.tar.gz | |
Improve documentation for HscTypes.usg_mod_hash
Diffstat (limited to 'compiler')
| -rw-r--r-- | compiler/GHC/Unit/Module/Deps.hs | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/compiler/GHC/Unit/Module/Deps.hs b/compiler/GHC/Unit/Module/Deps.hs index 2cafbbdcd4..9832383d8a 100644 --- a/compiler/GHC/Unit/Module/Deps.hs +++ b/compiler/GHC/Unit/Module/Deps.hs @@ -110,7 +110,7 @@ data Usage usg_mod :: Module, -- ^ External package module depended on usg_mod_hash :: Fingerprint, - -- ^ Cached module fingerprint + -- ^ Cached module ABI fingerprint (corresponds to mi_mod_hash) usg_safe :: IsSafeImport -- ^ Was this module imported as a safe import } @@ -119,7 +119,10 @@ data Usage usg_mod_name :: ModuleName, -- ^ Name of the module usg_mod_hash :: Fingerprint, - -- ^ Cached module fingerprint + -- ^ Cached module ABI fingerprint (corresponds to mi_mod_hash). + -- This may be out dated after recompilation was avoided, but is + -- still used as a fast initial check for change during + -- recompilation avoidance. usg_entities :: [(OccName,Fingerprint)], -- ^ Entities we depend on, sorted by occurrence name and fingerprinted. -- NB: usages are for parent names only, e.g. type constructors |