prettyprint 'hinted' things in a more readable way

[ghc-hetmet.git] / compiler / cmm / PprCmm.hs

diff --git a/compiler/cmm/PprCmm.hs b/compiler/cmm/PprCmm.hs
index 65e2f6f..5f5ae55 100644 (file)
--- a/compiler/cmm/PprCmm.hs
+++ b/compiler/cmm/PprCmm.hs
@@ -39,13 +39,15 @@
 -- A useful example pass over Cmm is in nativeGen/MachCodeGen.hs
 --
 
-module PprCmm (        
-       writeCmms, pprCmms, pprCmm, pprStmt, pprExpr, pprSection, pprStatic
-  ) where
+module PprCmm
+    ( writeCmms, pprCmms, pprCmm, pprStmt, pprExpr, pprSection, pprStatic
+    )
+where
 
 #include "HsVersions.h"
 
 import Cmm
+import CmmExpr
 import CmmUtils
 import MachOp
 import CLabel
@@ -59,7 +61,7 @@ import Data.List
 import System.IO
 import Data.Maybe
 
-pprCmms :: (Outputable info) => [GenCmm CmmStatic info (ListGraph CmmStmt)] -> SDoc
+pprCmms :: (Outputable info, Outputable g) => [GenCmm CmmStatic info g] -> SDoc
 pprCmms cmms = pprCode CStyle (vcat (intersperse separator $ map ppr cmms))
         where
           separator = space $$ ptext SLIT("-------------------") $$ space
@@ -69,22 +71,20 @@ writeCmms handle cmms = printForC handle (pprCmms cmms)
 
 -----------------------------------------------------------------------------
 
-instance (Outputable info) => Outputable (GenCmm CmmStatic info (ListGraph CmmStmt)) where
+instance (Outputable info, Outputable g)
+    => Outputable (GenCmm CmmStatic info g) where
     ppr c = pprCmm c
 
 instance (Outputable d, Outputable info, Outputable i)
        => Outputable (GenCmmTop d info i) where
     ppr t = pprTop t
 
-instance Outputable i => Outputable (ListGraph i) where
+instance (Outputable instr) => Outputable (ListGraph instr) where
     ppr (ListGraph blocks) = vcat (map ppr blocks)
 
 instance (Outputable instr) => Outputable (GenBasicBlock instr) where
     ppr b = pprBBlock b
 
-instance Outputable BlockId where
-    ppr id = pprBlockId id
-
 instance Outputable CmmStmt where
     ppr s = pprStmt s
 
@@ -110,16 +110,16 @@ instance Outputable CmmInfo where
 
 -----------------------------------------------------------------------------
 
-pprCmm :: (Outputable info) => GenCmm CmmStatic info (ListGraph CmmStmt) -> SDoc
+pprCmm :: (Outputable info,  Outputable g) => GenCmm CmmStatic info g -> SDoc
 pprCmm (Cmm tops) = vcat $ intersperse (text "") $ map pprTop tops
 
 -- --------------------------------------------------------------------------
 -- Top level `procedure' blocks.
 --
-pprTop         :: (Outputable d, Outputable info, Outputable g)
-       => GenCmmTop d info g -> SDoc
+pprTop         :: (Outputable d, Outputable info, Outputable i)
+       => GenCmmTop d info i -> SDoc
 
-pprTop (CmmProc info lbl params graph)
+pprTop (CmmProc info lbl params graph )
 
   = vcat [ pprCLabel lbl <> parens (commafy $ map ppr params) <+> lbrace
          , nest 8 $ lbrace <+> ppr info $$ rbrace
@@ -235,7 +235,7 @@ pprStmt stmt = case stmt of
                   then empty
                   else parens (commafy $ map ppr results) <>
                        ptext SLIT(" = "),
-               ptext SLIT("call"), space, 
+               ptext SLIT("foreign"), space, 
                doubleQuotes(ppr cconv), space,
                target fn, parens  ( commafy $ map ppr args ),
                brackets (ppr safety), 
@@ -295,9 +295,15 @@ genJump expr args =
                     CmmLoad (CmmReg _) _ -> pprExpr expr 
                     _ -> parens (pprExpr expr)
          , space
-         , parens  ( commafy $ map ppr args )
+         , parens  ( commafy $ map pprHinted args )
          , semi ]
 
+pprHinted :: Outputable a => (a, MachHint) -> SDoc
+pprHinted (a, NoHint)     = ppr a
+pprHinted (a, PtrHint)    = quotes(text "address") <+> ppr a
+pprHinted (a, SignedHint) = quotes(text "signed")  <+> ppr a
+pprHinted (a, FloatHint)  = quotes(text "float")   <+> ppr a
+
 -- --------------------------------------------------------------------------
 -- Return from a function. [1], Section 6.8.2 of version 1.128
 --
@@ -512,10 +518,10 @@ pprReg r
 pprLocalReg :: LocalReg -> SDoc
 pprLocalReg (LocalReg uniq rep follow) 
     = hcat [ char '_', ppr uniq, ty ] where
-  ty = if rep == wordRep && follow == KindNonPtr
+  ty = if rep == wordRep && follow == GCKindNonPtr
                 then empty
                 else dcolon <> ptr <> ppr rep
-  ptr = if follow == KindNonPtr
+  ptr = if follow == GCKindNonPtr
                 then empty
                 else doubleQuotes (text "ptr")
 
@@ -548,6 +554,7 @@ pprSection s = case s of
     Text              -> section <+> doubleQuotes (ptext SLIT("text"))
     Data              -> section <+> doubleQuotes (ptext SLIT("data"))
     ReadOnlyData      -> section <+> doubleQuotes (ptext SLIT("readonly"))
+    ReadOnlyData16    -> section <+> doubleQuotes (ptext SLIT("readonly16"))
     RelocatableReadOnlyData
                       -> section <+> doubleQuotes (ptext SLIT("relreadonly"))
     UninitialisedData -> section <+> doubleQuotes (ptext SLIT("uninitialised"))