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bugfix in the PGF typechecker and more test cases

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krasimir
2010-01-29 21:10:14 +00:00
parent ed446a4295
commit 9e547710f5
15 changed files with 81 additions and 53 deletions
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13
src/runtime/haskell/PGF/Printer.hs
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@@ -27,12 +27,13 @@ ppAbs name a = text "abstract" <+> ppCId name <+> char '{' $$
ppCat :: CId -> [Hypo] -> Doc
ppCat c hyps = text "cat" <+> ppCId c <+> hsep (snd (mapAccumL ppHypo [] hyps))
ppFun :: CId -> (Type,Int,[Equation]) -> Doc
ppFun f (t,_,eqs) = text "fun" <+> ppCId f <+> colon <+> ppType 0 [] t $$
if null eqs
then empty
else text "def" <+> vcat [let (scope,ds) = mapAccumL (ppPatt 9) [] patts
in ppCId f <+> hsep ds <+> char '=' <+> ppExpr 0 scope res | Equ patts res <- eqs]
ppFun :: CId -> (Type,Int,Maybe [Equation]) -> Doc
ppFun f (t,_,Just eqs) = text "fun" <+> ppCId f <+> colon <+> ppType 0 [] t $$
if null eqs
then empty
else text "def" <+> vcat [let (scope,ds) = mapAccumL (ppPatt 9) [] patts
in ppCId f <+> hsep ds <+> char '=' <+> ppExpr 0 scope res | Equ patts res <- eqs]
ppFun f (t,_,Nothing) = text "data" <+> ppCId f <+> colon <+> ppType 0 [] t
ppCnc :: Language -> Concr -> Doc
ppCnc name cnc =