build: ghcid: run even with warnings

[haskell/symantic-parser.git] / src / Symantic / Parser / Grammar.hs

diff --git a/src/Symantic/Parser/Grammar.hs b/src/Symantic/Parser/Grammar.hs
index c21c939c384ff2ff620fe3ee25894922fffc5c7c..ea4c6ee4e111d96c6d1cee67f9d76ef3d8303b09 100644 (file)
--- a/src/Symantic/Parser/Grammar.hs
+++ b/src/Symantic/Parser/Grammar.hs
@@ -1,45 +1,66 @@
-{-# LANGUAGE ConstraintKinds #-} -- For Grammar
+{-# LANGUAGE AllowAmbiguousTypes #-} -- For grammar
+{-# LANGUAGE ConstraintKinds #-} -- For Grammarable
 module Symantic.Parser.Grammar
   ( module Symantic.Parser.Grammar
   , module Symantic.Parser.Grammar.Combinators
-  , module Symantic.Parser.Grammar.Fixity
   , module Symantic.Parser.Grammar.Optimize
-  , module Symantic.Parser.Grammar.ObserveSharing
+  , module Symantic.Parser.Grammar.SharingObserver
+  , module Symantic.Parser.Grammar.Production
   , module Symantic.Parser.Grammar.Write
   , module Symantic.Parser.Grammar.View
-  , Letable(..)
+  , Referenceable(..)
+  , Letsable(..)
   ) where
 import Symantic.Parser.Grammar.Combinators
-import Symantic.Parser.Grammar.View
-import Symantic.Parser.Grammar.Fixity
-import Symantic.Parser.Grammar.ObserveSharing
+import Symantic.Parser.Grammar.SharingObserver
 import Symantic.Parser.Grammar.Optimize
+import Symantic.Parser.Grammar.Production
+import Symantic.Parser.Grammar.View
 import Symantic.Parser.Grammar.Write
-import Symantic.Univariant.Letable (Letable(..))
 
+import Control.DeepSeq (NFData)
+import Data.Eq (Eq)
+import Data.Ord (Ord)
 import Data.Function ((.))
 import Data.String (String)
+import Data.Typeable (Typeable)
 import Text.Show (Show(..))
+import Language.Haskell.TH.HideName
 import qualified Language.Haskell.TH.Syntax as TH
 
--- Class 'Grammar'
-type Grammar repr =
-  ( Applicable repr
-  , Alternable repr
-  --, Satisfiable repr
-  , Letable TH.Name repr
-  , Selectable repr
-  , Matchable repr
-  , Foldable repr
-  , Lookable repr
+-- * Type 'Grammar'
+type Grammar repr = SharingObserver TH.Name (OptimizeGrammar repr)
+
+-- ** Class 'Grammarable'
+type Grammarable tok repr =
+  ( CombAlternable repr
+  , CombApplicable repr
+  , CombFoldable repr
+  , Referenceable TH.Name repr
+  , Letsable TH.Name repr
+  , CombLookable repr
+  , CombMatchable repr
+  , CombSatisfiable tok repr
+  , CombSelectable repr
+  --, CombRegisterable repr
+  , CombRegisterableUnscoped repr
+  , Eq tok
+  , Ord tok
+  , TH.Lift tok
+  , NFData tok
+  , Show tok
+  , Typeable tok
   )
 
 -- | A usual pipeline to interpret 'Comb'inators:
--- 'observeSharing' then 'optimizeGrammar' then a polymorphic @(repr)@.
-grammar :: Grammar repr => ObserveSharing TH.Name (OptimizeGrammar TH.Name repr) a -> repr a
-grammar = optimizeGrammar . observeSharing
+-- 'sharingObserver' then 'optimizeGrammar' then a polymorphic @(repr)@.
+grammar :: Grammarable tok repr => Grammar repr a -> repr a
+grammar = optimizeGrammar . sharingObserver
 
--- | A usual pipeline to show 'Comb'inators:
--- 'observeSharing' then 'optimizeGrammar' then 'viewGrammar' then 'show'.
-showGrammar :: ObserveSharing TH.Name (OptimizeGrammar TH.Name ViewGrammar) a -> String
-showGrammar = show . viewGrammar . optimizeGrammar . observeSharing
+-- | An usual pipeline to show 'Comb'inators:
+-- 'sharingObserver' then 'optimizeGrammar' then 'viewGrammar' then 'show'.
+showGrammar :: forall showName a tok.
+  HideableName showName =>
+  Grammarable tok (Grammar (ViewGrammar showName)) =>
+  Grammar (ViewGrammar showName) a -> String
+showGrammar = show . viewGrammar . grammar @tok