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{- Tests for the th-desugar package
(c) Richard Eisenberg 2013
rae@cs.brynmawr.edu
-}
{-# LANGUAGE TemplateHaskell, GADTs, PolyKinds, TypeFamilies,
MultiParamTypeClasses, FunctionalDependencies,
FlexibleInstances, DataKinds, CPP, RankNTypes,
StandaloneDeriving, DefaultSignatures,
ConstraintKinds, RoleAnnotations, DeriveAnyClass #-}
#if __GLASGOW_HASKELL__ >= 801
{-# LANGUAGE DerivingStrategies #-}
#endif
{-# OPTIONS_GHC -Wno-orphans -Wno-incomplete-patterns
-Wno-name-shadowing -Wno-redundant-constraints #-}
module DsDec where
import qualified Splices as S
import Splices ( dsDecSplice, unqualify )
import Language.Haskell.TH.Desugar
import Language.Haskell.TH.Syntax ( qReport )
import Control.Monad
$(dsDecSplice S.dectest1)
$(dsDecSplice S.dectest2)
$(dsDecSplice S.dectest3)
$(dsDecSplice S.dectest4)
$(dsDecSplice S.dectest5)
$(dsDecSplice S.dectest6)
$(dsDecSplice S.dectest7)
$(dsDecSplice S.dectest8)
$(dsDecSplice S.dectest9)
$(dsDecSplice (fmap unqualify S.instance_test))
$(dsDecSplice (fmap unqualify S.imp_inst_test1))
$(dsDecSplice (fmap unqualify S.imp_inst_test2))
$(dsDecSplice (fmap unqualify S.imp_inst_test3))
$(dsDecSplice (fmap unqualify S.imp_inst_test4))
$(dsDecSplice S.dectest10)
$(dsDecSplice S.dectest11)
$(dsDecSplice S.standalone_deriving_test)
#if __GLASGOW_HASKELL__ >= 801
$(dsDecSplice S.deriv_strat_test)
#endif
$(dsDecSplice S.dectest12)
$(dsDecSplice S.dectest13)
$(dsDecSplice S.dectest14)
$(dsDecSplice S.dectest15)
#if __GLASGOW_HASKELL__ >= 802
$(return $ decsToTH [S.ds_dectest16])
$(return $ decsToTH [S.ds_dectest17])
#endif
#if __GLASGOW_HASKELL__ >= 809
$(dsDecSplice S.dectest18)
#endif
$(do decs <- S.rec_sel_test
withLocalDeclarations decs $ do
[DDataD nd [] name [DPlainTV tvbName ()] k cons []] <- dsDecs decs
recsels <- getRecordSelectors cons
let num_sels = length recsels `div` 2 -- ignore type sigs
when (num_sels /= S.rec_sel_test_num_sels) $
qReport True $ "Wrong number of record selectors extracted.\n"
++ "Wanted " ++ show S.rec_sel_test_num_sels
++ ", Got " ++ show num_sels
let unrecord c@(DCon _ _ _ (DNormalC {}) _) = c
unrecord (DCon tvbs cxt con_name (DRecC fields) rty) =
let (_names, stricts, types) = unzip3 fields
fields' = zip stricts types
in
DCon tvbs cxt con_name (DNormalC False fields') rty
plaindata = [DDataD nd [] name [DPlainTV tvbName ()] k (map unrecord cons) []]
return (decsToTH plaindata ++ map letDecToTH recsels))
|
