Vervis/src/Language/Haskell/TH/Quote/Local.hs

43 lines
1.2 KiB
Haskell

{- This file is part of Vervis.
-
- Written in 2018 by fr33domlover <fr33domlover@riseup.net>.
-
- ♡ Copying is an act of love. Please copy, reuse and share.
-
- The author(s) have dedicated all copyright and related and neighboring
- rights to this software to the public domain worldwide. This software is
- distributed without any warranty.
-
- You should have received a copy of the CC0 Public Domain Dedication along
- with this software. If not, see
- <http://creativecommons.org/publicdomain/zero/1.0/>.
-}
module Language.Haskell.TH.Quote.Local
( expQuasiQuoter
, decQuasiQuoter
)
where
import Language.Haskell.TH.Quote (QuasiQuoter (..))
import Language.Haskell.TH.Syntax (Q, Exp, Dec)
expQuasiQuoter :: (String -> Q Exp) -> QuasiQuoter
expQuasiQuoter qe = QuasiQuoter
{ quoteExp = qe
, quotePat = err
, quoteType = err
, quoteDec = err
}
where
err = error "This quasi quoter is only for generating expressions"
decQuasiQuoter :: (String -> Q [Dec]) -> QuasiQuoter
decQuasiQuoter qd = QuasiQuoter
{ quoteExp = err
, quotePat = err
, quoteType = err
, quoteDec = qd
}
where
err = error "This quasi quoter is only for generating declarations"