Redo the global (state) structure of the translator.

[matthijs/master-project/cλash.git] / Pretty.hs

diff --git a/Pretty.hs b/Pretty.hs
index 96f7f6e8d6b3b2a73fb1169e758bcd56f5fbc926..43e0e49bf7aa6c2dc3ce6822bf47306d57136175 100644 (file)
--- a/Pretty.hs
+++ b/Pretty.hs
@@ -1,8 +1,30 @@
 module Pretty (prettyShow) where
 
+
+import qualified Data.Map as Map
+import qualified Data.Foldable as Foldable
+import qualified List
+
+import qualified CoreSyn
+import qualified Module
+import qualified HscTypes
 import Text.PrettyPrint.HughesPJClass
-import Flatten
+import Outputable ( showSDoc, ppr, Outputable, OutputableBndr)
+
+import qualified ForSyDe.Backend.Ppr
+import qualified ForSyDe.Backend.VHDL.Ppr
+import qualified ForSyDe.Backend.VHDL.AST as AST
+
+import HsValueMap
+import FlattenTypes
 import TranslatorTypes
+import VHDLTypes
+import CoreShow
+
+-- | A version of the default pPrintList method, which uses a custom function
+--   f instead of pPrint to print elements.
+printList :: (a -> Doc) -> [a] -> Doc
+printList f = brackets . fsep . punctuate comma . map f
 
 instance Pretty HsFunction where
   pPrint (HsFunction name args res) =
@@ -17,33 +39,105 @@ instance Pretty x => Pretty (HsValueMap x) where
 
 instance Pretty HsValueUse where
   pPrint Port            = char 'P'
-  pPrint (State n)       = char 'C' <> int n
+  pPrint (State n)       = char 'S' <> int n
   pPrint (HighOrder _ _) = text "Higher Order"
 
 instance Pretty FlatFunction where
-  pPrint (FlatFunction args res apps conds) =
+  pPrint (FlatFunction args res defs sigs) =
     (text "Args: ") $$ nest 10 (pPrint args)
     $+$ (text "Result: ") $$ nest 10 (pPrint res)
-    $+$ (text "Apps: ") $$ nest 10 (vcat (map pPrint apps))
-    $+$ (text "Conds: ") $$ nest 10 (pPrint conds)
+    $+$ (text "Defs: ") $$ nest 10 (ppdefs defs)
+    $+$ text "Signals: " $$ nest 10 (ppsigs sigs)
+    where
+      ppsig (id, info) = pPrint id <> pPrint info
+      ppdefs defs = vcat (map pPrint sorted)
+        where 
+          -- Roughly sort the entries (inaccurate for Fapps)
+          sorted = List.sortBy (\a b -> compare (sigDefDst a) (sigDefDst b)) defs
+          sigDefDst (FApp _ _ dst) = head $ Foldable.toList dst
+          sigDefDst (CondDef _ _ _ dst) = dst
+          sigDefDst (UncondDef _ dst) = dst
+      ppsigs sigs = vcat (map pPrint sorted)
+        where
+          sorted = List.sortBy (\a b -> compare (fst a) (fst b)) sigs
+
 
-instance Pretty FApp where
+instance Pretty SigDef where
   pPrint (FApp func args res) =
     pPrint func <> text " : " <> pPrint args <> text " -> " <> pPrint res
+  pPrint (CondDef cond true false res) = 
+    pPrint cond <> text " ? " <> pPrint true <> text " : " <> pPrint false <> text " -> " <> pPrint res
+  pPrint (UncondDef src dst) =
+    ppsrc src <> text " -> " <> pPrint dst
+    where
+      ppsrc (Left id) = pPrint id
+      ppsrc (Right expr) = pPrint expr
 
-instance Pretty SignalDef where
-  pPrint (SignalDef id) = pPrint id
+instance Pretty SignalExpr where
+  pPrint (EqLit id lit) =
+    parens $ pPrint id <> text " = " <> text lit
+  pPrint (Literal lit) =
+    text lit
+  pPrint (Eq a b) =
+    parens $ pPrint a <> text " = " <> pPrint b
 
-instance Pretty SignalUse where
-  pPrint (SignalUse id) = pPrint id
+instance Pretty SignalInfo where
+  pPrint (SignalInfo name use ty hints) =
+    text ":" <> (pPrint use) <> (ppname name)
+    where
+      ppname Nothing = empty
+      ppname (Just name) = text ":" <> text name
 
-instance Pretty CondDef where
-  pPrint _ = text "TODO"
+instance Pretty SigUse where
+  pPrint SigPortIn   = text "PI"
+  pPrint SigPortOut  = text "PO"
+  pPrint SigInternal = text "I"
+  pPrint (SigStateOld n) = text "SO:" <> int n
+  pPrint (SigStateNew n) = text "SN:" <> int n
+  pPrint SigSubState = text "s"
 
-instance Pretty VHDLSession where
-  pPrint (VHDLSession nameCount funcs) =
-    text "NameCount: " $$ nest 15 (int nameCount)
-    $+$ text "Functions: " $$ nest 15 (vcat (map ppfunc funcs))
+instance Pretty TranslatorSession where
+  pPrint (TranslatorSession mod nameCount flatfuncs) =
+    text "Module: " $$ nest 15 (text modname)
+    $+$ text "NameCount: " $$ nest 15 (int nameCount)
+    $+$ text "Functions: " $$ nest 15 (vcat (map ppfunc (Map.toList flatfuncs)))
     where
-      ppfunc (hsfunc, (flatfunc)) =
-        pPrint hsfunc $+$ (text "Flattened: " $$ nest 15 (pPrint flatfunc))
+      ppfunc (hsfunc, flatfunc) =
+        pPrint hsfunc $+$ nest 5 (pPrint flatfunc)
+      modname = showSDoc $ Module.pprModule (HscTypes.cm_module mod)
+{-
+instance Pretty FuncData where
+  pPrint (FuncData flatfunc entity arch) =
+    text "Flattened: " $$ nest 15 (ppffunc flatfunc)
+    $+$ text "Entity" $$ nest 15 (ppent entity)
+    $+$ pparch arch
+    where
+      ppffunc (Just f) = pPrint f
+      ppffunc Nothing  = text "Nothing"
+      ppent (Just e)   = pPrint e
+      ppent Nothing    = text "Nothing"
+      pparch Nothing = text "VHDL architecture not present"
+      pparch (Just _) = text "VHDL architecture present"
+-}
+
+instance Pretty Entity where
+  pPrint (Entity id args res) =
+    text "Entity: " $$ nest 10 (pPrint id)
+    $+$ text "Args: " $$ nest 10 (pPrint args)
+    $+$ text "Result: " $$ nest 10 (pPrint res)
+
+instance (OutputableBndr b, Show b) => Pretty (CoreSyn.Bind b) where
+  pPrint (CoreSyn.NonRec b expr) =
+    text "NonRec: " $$ nest 10 (prettyBind (b, expr))
+  pPrint (CoreSyn.Rec binds) =
+    text "Rec: " $$ nest 10 (vcat $ map (prettyBind) binds)
+
+instance Pretty AST.VHDLId where
+  pPrint id = ForSyDe.Backend.Ppr.ppr id
+
+prettyBind :: (Show b, Show e) => (b, e) -> Doc
+prettyBind (b, expr) =
+  text b' <> text " = " <> text expr'
+  where
+    b' = show b
+    expr' = show expr