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a major refactoring in the C and the Haskell runtimes. Note incompatible change in the PGF format!!!

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The following are the outcomes:

   - Predef.nonExist is fully supported by both the Haskell and the C runtimes

   - Predef.BIND is now an internal compiler defined token. For now
     it behaves just as usual for the Haskell runtime, i.e. it generates &+.
     However, the special treatment will let us to handle it properly in 
     the C runtime.

   - This required a major change in the PGF format since both 
     nonExist and BIND may appear inside 'pre' and this was not supported
     before.
This commit is contained in:
kr.angelov
2013-09-27 15:09:48 +00:00
parent b138899512
commit 426bc49a52
28 changed files with 330 additions and 371 deletions
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4
src/runtime/haskell/PGF/Linearize.hs
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@@ -82,7 +82,7 @@ linTree pgf lang e =
LInt n -> return (n_fid+1,((cidInt, n_fid),wildCId,[e0],([],ss (show n))))
LFlt f -> return (n_fid+1,((cidFloat, n_fid),wildCId,[e0],([],ss (show f))))
ss s = listArray (0,0) [[LeafKS [s]]]
ss s = listArray (0,0) [[LeafKS s]]
apply :: Maybe CncType -> FId -> Expr -> [CId] -> [CId] -> CId -> [Expr] -> [(FId,(CncType, CId, [Expr], LinTable))]
apply mb_cty n_fid e0 ys xs f es =
@@ -115,7 +115,7 @@ linTree pgf lang e =
let args = [((wildCId, n_fid),wildCId,[e0],([],ss s))]
return (n_fid+2,((cat,n_fid+1),wildCId,[e0],mkLinTable cnc (const True) xs funid args))
Nothing
| isPredefFId fid -> return (n_fid+2,((cat,n_fid+1),wildCId,[e0],(xs,listArray (0,0) [[LeafKS [s]]])))
| isPredefFId fid -> return (n_fid+2,((cat,n_fid+1),wildCId,[e0],(xs,listArray (0,0) [[LeafKS s]])))
| otherwise -> do PCoerce fid <- maybe [] Set.toList (IntMap.lookup fid (pproductions cnc))
def (Just (cat,fid)) n_fid e0 ys xs s
def Nothing n_fid e0 ys xs s = []