feat[modules]: give datatypes their own file

bf-optimize.cabal

@@ -29,6 +29,8 @@ library
       Language.Brainfuck.Instruction
       Language.Brainfuck.Instruction.Compressed
       Language.Brainfuck.Instruction.Extended
+      Language.Brainfuck.Instruction.Extended.Interaction
+      Language.Brainfuck.Instruction.Extended.Operation
       Language.Brainfuck.Interpreter
   other-modules:
       Paths_bf_optimize

src/Language/Brainfuck/Instruction/Extended.hs

@@ -4,23 +4,20 @@
 module Language.Brainfuck.Instruction.Extended (Operation(..), Interaction(..), ExtendedInstruction(Modify, Move, Interact, Jump), pattern IfNonZero, pattern WithOffset, mkIfNonZero, mkWithOffset, translationSize, parse) where
 
 import Data.Word (Word8)
+
 import Data.Vector (Vector)
+import qualified Data.Vector as Vector
+
 import Numeric.Natural (Natural)
 
 import Language.Brainfuck.Instruction.Compressed (CompressedInstruction)
+import Language.Brainfuck.Instruction.Extended.Operation (Operation)
+import Language.Brainfuck.Instruction.Extended.Interaction (Interaction)
+
 
-import qualified Data.Vector as Vector
 import qualified Language.Brainfuck.Instruction.Compressed as CompressedInstruction
-
-data Operation
-  = Add
-  | Subtract
-  deriving (Show)
-
-data Interaction
-  = Read
-  | Write
-  deriving (Show)
+import qualified Language.Brainfuck.Instruction.Extended.Operation as Operation
+import qualified Language.Brainfuck.Instruction.Extended.Interaction as Interaction
 
 pattern WithOffset :: Integer -> ExtendedInstruction -> ExtendedInstruction
 pattern WithOffset offset embedded <- AtOffset offset embedded
@@ -61,12 +58,12 @@ prependTranslation :: CompressedInstruction -> [ExtendedInstruction] -> [Extende
 prependTranslation instruction rest = let
   addSingle = (:rest)
   in case instruction of
-    CompressedInstruction.Add       i    -> addSingle $ Modify Add i
-    CompressedInstruction.Subtract  i    -> addSingle $ Modify Subtract i
+    CompressedInstruction.Add       i    -> addSingle $ Modify Operation.Add i
+    CompressedInstruction.Subtract  i    -> addSingle $ Modify Operation.Subtract i
     CompressedInstruction.MoveRight n    -> addSingle $ Move $ toInteger n
     CompressedInstruction.MoveLeft  n    -> addSingle $ Move $ toInteger (-n)
-    CompressedInstruction.ReadByte       -> addSingle $ Interact Read
-    CompressedInstruction.PutByte        -> addSingle $ Interact Write
+    CompressedInstruction.ReadByte       -> addSingle $ Interact Interaction.Read
+    CompressedInstruction.PutByte        -> addSingle $ Interact Interaction.Write
     CompressedInstruction.Loop      body -> let
       bodySize = translationSize body
       backJump = IfNonZero $ Jump $ -(toInteger bodySize + 1)

src/Language/Brainfuck/Instruction/Extended/Interaction.hs

@@ -0,0 +1,13 @@
+
+-- | This module holds the 'Interaction' enum, this allows for nice qualified imports.
+--
+-- Also, it makes for smaller compilation units and easier changes, because I I just happen to know what's where.
+
+module Language.Brainfuck.Instruction.Extended.Interaction (Interaction(..)) where
+
+-- | All the Interactions with the outside world, I think it is safe to say that this is the final state of this module.
+
+data Interaction
+  = Read
+  | Write
+  deriving (Show)

src/Language/Brainfuck/Instruction/Extended/Operation.hs

@@ -0,0 +1,13 @@
+
+-- | This module holds the 'Operation' enum, this allows for nice qualified imports.
+--
+-- Also, it makes for smaller compilation units and easier changes, because I I just happen to know what's where.
+
+module Language.Brainfuck.Instruction.Extended.Operation (Operation(..)) where
+
+-- | All the Operations that are allowed on a Variable in the Extended Instruction format.
+
+data Operation
+  = Add
+  | Subtract
+  deriving (Show)