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some work on evaluation with abstract expressions in PGF

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krasimir
2009-05-22 18:54:51 +00:00
parent f29bdd762e
commit f9c877eec6
32 changed files with 207 additions and 154 deletions
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4
src/GF/Compile/AbsCompute.hs
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@@ -42,7 +42,7 @@ computeAbsTerm :: Grammar -> Exp -> Err Exp
computeAbsTerm gr = computeAbsTermIn (lookupAbsDef gr) []
-- | a hack to make compute work on source grammar as well
type LookDef = Ident -> Ident -> Err (Maybe [Equation])
type LookDef = Ident -> Ident -> Err (Maybe Int,Maybe [Equation])
computeAbsTermIn :: LookDef -> [Ident] -> Exp -> Err Exp
computeAbsTermIn lookd xs e = errIn ("computing" +++ prt e) $ compt xs e where
@@ -73,7 +73,7 @@ computeAbsTermIn lookd xs e = errIn ("computing" +++ prt e) $ compt xs e where
look t = case t of
(Q m f) -> case lookd m f of
Ok md -> md
Ok (_,md) -> md
_ -> Nothing
_ -> Nothing