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full support for recursive def rules in the C runtime

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kr.angelov
2014-09-05 10:09:43 +00:00
parent a21ffc1941
commit 86b5f78c57
11 changed files with 513 additions and 366 deletions
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12
src/runtime/haskell/PGF/Printer.hs
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@@ -29,13 +29,13 @@ ppFlag flag value = text "flag" <+> ppCId flag <+> char '=' <+> ppLit value <+>
ppCat :: CId -> ([Hypo],[(Double,CId)],Double) -> Doc
ppCat c (hyps,_,_) = text "cat" <+> ppCId c <+> hsep (snd (mapAccumL (ppHypo 4) [] hyps)) <+> char ';'
ppFun :: CId -> (Type,Int,Maybe ([Equation],[Instr]),Double) -> Doc
ppFun :: CId -> (Type,Int,Maybe ([Equation],[[Instr]]),Double) -> Doc
ppFun f (t,_,Just (eqs,code),_) = text "fun" <+> ppCId f <+> colon <+> ppType 0 [] t <+> char ';' $$
if null eqs
then empty
else text "def" <+> vcat [let scope = foldl pattScope [] patts
ds = map (ppPatt 9 scope) patts
in ppCId f <+> hsep ds <+> char '=' <+> ppExpr 0 scope res <+> char ';' | Equ patts res <- eqs] $$
(if null eqs
then empty
else text "def" <+> vcat [let scope = foldl pattScope [] patts
ds = map (ppPatt 9 scope) patts
in ppCId f <+> hsep ds <+> char '=' <+> ppExpr 0 scope res <+> char ';' | Equ patts res <- eqs]) $$
ppCode 0 code
ppFun f (t,_,Nothing,_) = text "data" <+> ppCId f <+> colon <+> ppType 0 [] t <+> char ';'