[project @ 2000-04-14 16:17:49 by rrt]

[ghc-hetmet.git] / ghc / compiler / absCSyn / PprAbsC.lhs

diff --git a/ghc/compiler/absCSyn/PprAbsC.lhs b/ghc/compiler/absCSyn/PprAbsC.lhs
index 3bcf942..60aca39 100644 (file)
--- a/ghc/compiler/absCSyn/PprAbsC.lhs
+++ b/ghc/compiler/absCSyn/PprAbsC.lhs
@@ -45,7 +45,8 @@ import TyCon          ( tyConDataCons )
 import Name            ( NamedThing(..) )
 import DataCon         ( DataCon{-instance NamedThing-}, dataConWrapId )
 import Maybes          ( maybeToBool, catMaybes )
-import PrimOp          ( primOpNeedsWrapper, pprPrimOp, PrimOp(..), CCall(..), CCallTarget(..) )
+import PrimOp          ( primOpNeedsWrapper, pprPrimOp, pprCCallOp, 
+                         PrimOp(..), CCall(..), CCallTarget(..) )
 import PrimRep         ( isFloatingRep, PrimRep(..), getPrimRepSize, showPrimRep )
 import SMRep           ( pprSMRep )
 import Unique          ( pprUnique, Unique{-instance NamedThing-} )
@@ -345,7 +346,7 @@ pprAbsC stmt@(CCallTypedef is_tdef (CCall op_str is_asm may_gc cconv) results ar
       -- the first argument will be the "I/O world" token (a VoidRep)
       -- all others should be non-void
      non_void_args =
-       let nvas = tail args
+       let nvas = init args
        in ASSERT (all non_void nvas) nvas
 
       -- there will usually be two results: a (void) state which we
@@ -598,16 +599,14 @@ ppLocalnessMacro include_dyn_prefix clabel =
   where
    is_visible = externallyVisibleCLabel clabel
    label_type = labelType clabel
-   is_dynamic = labelDynamic clabel
 
    visiblity_prefix
      | is_visible = char 'E'
      | otherwise  = char 'I'
 
    dyn_prefix
-     | not include_dyn_prefix = empty
-     | is_dynamic            = char 'D'
-     | otherwise             = empty
+     | include_dyn_prefix && labelDynamic clabel = char 'D'
+     | otherwise                                = empty
 
 \end{code}
 
@@ -777,7 +776,7 @@ Amendment to the above: if we can GC, we have to:
   that the runtime check that PerformGC is being used sensibly will work.
 
 \begin{code}
-pprCCall (CCall op_str is_asm may_gc cconv) args results vol_regs
+pprCCall call@(CCall op_str is_asm may_gc cconv) args results vol_regs
   = vcat [
       char '{',
       declare_local_vars,   -- local var for *result*
@@ -797,10 +796,11 @@ pprCCall (CCall op_str is_asm may_gc cconv) args results vol_regs
        | otherwise = ( pp_basic_saves $$ pp_saves,
                        pp_basic_restores $$ pp_restores)
 
-    non_void_args =
-       let nvas = tail args
-       in ASSERT (all non_void nvas) nvas
-    -- the first argument will be the "I/O world" token (a VoidRep)
+    non_void_args = 
+       let nvas = init args
+       in ASSERT2 ( all non_void nvas, pprCCallOp call <+> hsep (map pprAmode args) )
+       nvas
+    -- the last argument will be the "I/O world" token (a VoidRep)
     -- all others should be non-void
 
     non_void_results =
@@ -954,7 +954,7 @@ process_casm results args string = process results args string
   process []    _ "" = empty
   process (_:_) _ "" = error ("process_casm: non-void result not assigned while processing _casm_ \"" ++ 
                              string ++ 
-                             "\"\n(Try changing result type to PrimIO ()\n")
+                             "\"\n(Try changing result type to IO ()\n")
 
   process ress args ('%':cs)
     = case cs of