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| author | Greg Weber <greg@gregweber.info> | 2014-11-17 19:15:51 -0600 |
|---|---|---|
| committer | Austin Seipp <austin@well-typed.com> | 2014-11-17 19:15:52 -0600 |
| commit | 0515055abfcf5957d7a957607b4785320627fd65 (patch) | |
| tree | afb5e55313e1af468716e822ff337257e779da1c | |
| parent | 2a6f193bb82f88e8dcb919ee7affc13feae56e98 (diff) | |
| download | haskell-0515055abfcf5957d7a957607b4785320627fd65.tar.gz | |
document addDependentFile uses contents, not mtime
Reviewers: austin
Reviewed By: austin
Subscribers: thomie, carter
Differential Revision: https://phabricator.haskell.org/D481
GHC Trac Issues: #4900
| -rw-r--r-- | libraries/template-haskell/Language/Haskell/TH/Syntax.hs | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/libraries/template-haskell/Language/Haskell/TH/Syntax.hs b/libraries/template-haskell/Language/Haskell/TH/Syntax.hs index ddbe3a98e2..48199a4d8e 100644 --- a/libraries/template-haskell/Language/Haskell/TH/Syntax.hs +++ b/libraries/template-haskell/Language/Haskell/TH/Syntax.hs @@ -377,9 +377,16 @@ runIO :: IO a -> Q a runIO m = Q (qRunIO m) -- | Record external files that runIO is using (dependent upon). --- The compiler can then recognize that it should re-compile the file using this TH when the external file changes. --- Note that ghc -M will still not know about these dependencies - it does not execute TH. +-- The compiler can then recognize that it should re-compile the Haskell file +-- when an external file changes. +-- -- Expects an absolute file path. +-- +-- Notes: +-- +-- * ghc -M does not know about these dependencies - it does not execute TH. +-- +-- * The dependency is based on file content, not a modification time addDependentFile :: FilePath -> Q () addDependentFile fp = Q (qAddDependentFile fp) |