copyright: comply with REUSE-3.0

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

diff --git a/src/Symantic/Parser/Machine.hs b/src/Symantic/Parser/Machine.hs
index ff9f19f5a4a916b4ff1a135f78cef8ea7cf2b6eb..3d638dee1e18f461411fb89bdc48e6d174cf0e55 100644 (file)
--- a/src/Symantic/Parser/Machine.hs
+++ b/src/Symantic/Parser/Machine.hs
@@ -3,32 +3,29 @@ module Symantic.Parser.Machine
   , module Symantic.Parser.Machine.Generate
   , module Symantic.Parser.Machine.Input
   , module Symantic.Parser.Machine.Instructions
+  , module Symantic.Parser.Machine.Optimize
+  , module Symantic.Parser.Machine.Program
   , module Symantic.Parser.Machine.View
   ) where
+
+import System.IO (IO)
 import Data.Function ((.))
-import Data.Ord (Ord)
-import Symantic.Parser.Machine.Input
-import Symantic.Parser.Grammar
-import Text.Show (Show)
-import qualified Language.Haskell.TH.Syntax as TH
 
+import Symantic.Parser.Grammar
 import Symantic.Parser.Machine.Generate
+import Symantic.Parser.Machine.Input
 import Symantic.Parser.Machine.Instructions
+import Symantic.Parser.Machine.Optimize
+import Symantic.Parser.Machine.Program
 import Symantic.Parser.Machine.View
 
--- * Type 'Parser'
-type Parser inp =
-  ObserveSharing TH.Name
-                 (OptimizeGrammar TH.Name
-                               (Machine inp))
+-- * Type 'Machine'
+type Machine repr inp = Grammar (Program repr inp)
 
+-- | Build a 'Machine' able to 'generateCode' for the given 'Parser'.
 machine :: forall inp repr a.
-  Ord (InputToken inp) =>
-  Show (InputToken inp) =>
-  TH.Lift (InputToken inp) =>
-  Executable repr =>
-  Grammar (Machine inp) =>
-  Readable repr (InputToken inp) =>
-  Parser inp a ->
-  repr inp '[] ('Succ 'Zero) a
-machine = runMachine . optimizeGrammar . observeSharing
+  Grammarable (InputToken inp) (Program repr inp) =>
+  Machinable (InputToken inp) repr =>
+  Machine repr inp a ->
+  IO (repr inp '[] a)
+machine = optimizeMachine . grammar @(InputToken inp)