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Refactor matches/cases in Translate.hs.

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This commit is contained in:
Robbie Gleichman 2016-12-13 13:40:23 -08:00
parent aa5aa82801
commit 4252717f61
1 changed files with 25 additions and 17 deletions
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42
app/Translate.hs
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@ -63,14 +63,14 @@ qNameToString (Special Cons) = "(:)"
qNameToString (Special UnboxedSingleCon) = "(# #)"
evalPApp :: QName -> [Pat] -> State IDState (SyntaxGraph, NameAndPort)
evalPApp name [] = makeBox $ qNameToString name
evalPApp name patterns = do
patName <- getUniqueName "pat"
evaledPatterns <- mapM evalPattern patterns
let
evalPApp name patterns = case patterns of
[] -> makeBox constructorName
_ -> do
patName <- getUniqueName "pat"
evaledPatterns <- mapM evalPattern patterns
pure $ makePatternGraph patName constructorName evaledPatterns (length evaledPatterns)
where
constructorName = qNameToString name
gr = makePatternGraph patName constructorName evaledPatterns (length evaledPatterns)
pure gr
evalPLit :: Exts.Sign -> Exts.Literal -> State IDState (SyntaxGraph, NameAndPort)
evalPLit Exts.Signless l = evalLit l
@ -109,9 +109,13 @@ strToGraphRef c str = fmap mapper (makeBox str) where
else fmap Right gr
evalQName :: QName -> EvalContext -> State IDState (SyntaxGraph, Reference)
evalQName qName@(UnQual _) c = strToGraphRef c (qNameToString qName)
evalQName qName@(Qual _ _) c = strToGraphRef c (qNameToString qName)
evalQName qName _ = fmap Right <$> makeBox (qNameToString qName)
evalQName qName c = case qName of
UnQual _ -> graphRef
Qual _ _ -> graphRef
_ -> fmap Right <$> makeBox qNameString
where
qNameString = qNameToString qName
graphRef = strToGraphRef c qNameString
-- evalQOp :: QOp -> EvalContext -> State IDState (SyntaxGraph, Reference)
-- evalQOp (QVarOp n) = evalQName n
@ -199,10 +203,15 @@ simplifyCompose e = case removeParen e of
x -> [x]
evalInfixApp :: EvalContext -> Exp -> QOp -> Exp -> State IDState (SyntaxGraph, Reference)
evalInfixApp c e1 (QVarOp (UnQual (Symbol "$"))) e2 = evalExp c (App e1 e2)
evalInfixApp c e1 (QVarOp (UnQual (Symbol "<$>"))) e2 = evalExp c $ App (App (makeVarExp "fmap") e1) e2
evalInfixApp c e1 (QVarOp (UnQual (Symbol "."))) e2 = fmap Right <$> evalCompose c (e1 : simplifyCompose e2)
evalInfixApp c e1 op e2 = evalExp c (App (App (qOpToExp op) e1) e2)
evalInfixApp c e1 op e2 = case op of
QVarOp (UnQual (Symbol sym)) -> case sym of
"$" -> evalExp c (App e1 e2)
"<$>" -> evalExp c $ App (App (makeVarExp "fmap") e1) e2
"." -> fmap Right <$> evalCompose c (e1 : simplifyCompose e2)
_ -> defaultCase
_ -> defaultCase
where
defaultCase = evalExp c $ App (App (qOpToExp op) e1) e2
scoreExpressions :: Exp -> Exp -> (Int, Int)
scoreExpressions exp1 exp2 = (appScore, compScore) where
@ -574,9 +583,8 @@ evalMatches _ [] = pure mempty
evalMatches c (firstMatch:restOfMatches) = matchesToCase firstMatch restOfMatches >>= evalMatch c
evalDecl :: EvalContext -> Decl -> State IDState SyntaxGraph
evalDecl c d = evaluatedDecl where
evaluatedDecl = case d of
pat@(PatBind _ _ _ _) -> evalPatBind c pat
evalDecl c d = case d of
PatBind _ _ _ _ -> evalPatBind c d
FunBind matches -> evalMatches c matches
--TODO: Add other cases here
_ -> pure mempty