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-rw-r--r--src/Transfer/Core/Print.hs155
1 files changed, 0 insertions, 155 deletions
diff --git a/src/Transfer/Core/Print.hs b/src/Transfer/Core/Print.hs
deleted file mode 100644
index 50929716a..000000000
--- a/src/Transfer/Core/Print.hs
+++ /dev/null
@@ -1,155 +0,0 @@
-{-# OPTIONS_GHC -fglasgow-exts #-}
-module Transfer.Core.Print where
-
--- pretty-printer generated by the BNF converter
-
-import Transfer.Core.Abs
-import Data.Char
-import Data.List (intersperse)
-
--- the top-level printing method
-printTree :: Print a => a -> String
-printTree = render . prt 0
-
-type Doc = [ShowS] -> [ShowS]
-
-doc :: ShowS -> Doc
-doc = (:)
-
-render :: Doc -> String
-render d = rend 0 (map ($ "") $ d []) "" where
- rend i ss = case ss of
- "[" :ts -> showChar '[' . rend i ts
- "(" :ts -> showChar '(' . rend i ts
- "{" :ts -> showChar '{' . new (i+1) . rend (i+1) ts
- "}" : ";":ts -> new (i-1) . space "}" . showChar ';' . new (i-1) . rend (i-1) ts
- "}" :ts -> new (i-1) . showChar '}' . new (i-1) . rend (i-1) ts
- ";" :ts -> showChar ';' . new i . rend i ts
- t : "," :ts -> showString t . space "," . rend i ts
- t : ")" :ts -> showString t . showChar ')' . rend i ts
- t : "]" :ts -> showString t . showChar ']' . rend i ts
- t :ts -> space t . rend i ts
- _ -> id
- new i = showChar '\n' . replicateS (2*i) (showChar ' ') . dropWhile isSpace
- space t = showString t . (\s -> if null s then "" else (' ':s))
-
-parenth :: Doc -> Doc
-parenth ss = doc (showChar '(') . ss . doc (showChar ')')
-
-concatS :: [ShowS] -> ShowS
-concatS = foldr (.) id
-
-concatD :: [Doc] -> Doc
-concatD = foldr (.) id
-
-unwordsD :: [Doc] -> Doc
-unwordsD = concatD . intersperse (doc (showChar ' '))
-
-replicateS :: Int -> ShowS -> ShowS
-replicateS n f = concatS (replicate n f)
-
--- the printer class does the job
-class Print a where
- prt :: Int -> a -> Doc
-
-instance Print Char where
- prt _ s = doc (showChar '\'' . mkEsc '\'' s . showChar '\'')
-
-instance Print String where
- prt _ s = doc (showChar '"' . concatS (map (mkEsc '"') s) . showChar '"')
-
-mkEsc :: Char -> Char -> ShowS
-mkEsc q s = case s of
- _ | s == q -> showChar '\\' . showChar s
- '\\'-> showString "\\\\"
- '\n' -> showString "\\n"
- '\t' -> showString "\\t"
- _ -> showChar s
-
-prPrec :: Int -> Int -> Doc -> Doc
-prPrec i j = if j<i then parenth else id
-
-
-instance Print Integer where
- prt _ x = doc (shows x)
-
-
-instance Print Double where
- prt _ x = doc (shows x)
-
-
-instance Print (Tree c) where
- prt _i e = case e of
- Module decls -> prPrec _i 0 (concatD [prt 0 decls])
- DataDecl cident exp consdecls -> prPrec _i 0 (concatD [doc (showString "data") , prt 0 cident , doc (showString ":") , prt 0 exp , doc (showString "where") , doc (showString "{") , prt 0 consdecls , doc (showString "}")])
- TypeDecl cident exp -> prPrec _i 0 (concatD [prt 0 cident , doc (showString ":") , prt 0 exp])
- ValueDecl cident exp -> prPrec _i 0 (concatD [prt 0 cident , doc (showString "=") , prt 0 exp])
- ConsDecl cident exp -> prPrec _i 0 (concatD [prt 0 cident , doc (showString ":") , prt 0 exp])
- PCons cident patterns -> prPrec _i 0 (concatD [doc (showString "(") , prt 0 cident , prt 0 patterns , doc (showString ")")])
- PVar patternvariable -> prPrec _i 0 (concatD [prt 0 patternvariable])
- PRec fieldpatterns -> prPrec _i 0 (concatD [doc (showString "rec") , doc (showString "{") , prt 0 fieldpatterns , doc (showString "}")])
- PStr str -> prPrec _i 0 (concatD [prt 0 str])
- PInt n -> prPrec _i 0 (concatD [prt 0 n])
- FieldPattern cident pattern -> prPrec _i 0 (concatD [prt 0 cident , doc (showString "=") , prt 0 pattern])
- PVVar cident -> prPrec _i 0 (concatD [prt 0 cident])
- PVWild -> prPrec _i 0 (concatD [doc (showString "_")])
- ELet letdefs exp -> prPrec _i 0 (concatD [doc (showString "let") , doc (showString "{") , prt 0 letdefs , doc (showString "}") , doc (showString "in") , prt 0 exp])
- ECase exp cases -> prPrec _i 0 (concatD [doc (showString "case") , prt 0 exp , doc (showString "of") , doc (showString "{") , prt 0 cases , doc (showString "}")])
- EAbs patternvariable exp -> prPrec _i 1 (concatD [doc (showString "\\") , prt 0 patternvariable , doc (showString "->") , prt 0 exp])
- EPi patternvariable exp0 exp1 -> prPrec _i 1 (concatD [doc (showString "(") , prt 0 patternvariable , doc (showString ":") , prt 0 exp0 , doc (showString ")") , doc (showString "->") , prt 0 exp1])
- EApp exp0 exp1 -> prPrec _i 3 (concatD [prt 3 exp0 , prt 4 exp1])
- EProj exp cident -> prPrec _i 4 (concatD [prt 4 exp , doc (showString ".") , prt 0 cident])
- ERecType fieldtypes -> prPrec _i 5 (concatD [doc (showString "sig") , doc (showString "{") , prt 0 fieldtypes , doc (showString "}")])
- ERec fieldvalues -> prPrec _i 5 (concatD [doc (showString "rec") , doc (showString "{") , prt 0 fieldvalues , doc (showString "}")])
- EVar cident -> prPrec _i 5 (concatD [prt 0 cident])
- EType -> prPrec _i 5 (concatD [doc (showString "Type")])
- EStr str -> prPrec _i 5 (concatD [prt 0 str])
- EInteger n -> prPrec _i 5 (concatD [prt 0 n])
- EDouble d -> prPrec _i 5 (concatD [prt 0 d])
- EMeta tmeta -> prPrec _i 5 (concatD [prt 0 tmeta])
- LetDef cident exp -> prPrec _i 0 (concatD [prt 0 cident , doc (showString "=") , prt 0 exp])
- Case pattern exp0 exp1 -> prPrec _i 0 (concatD [prt 0 pattern , doc (showString "|") , prt 0 exp0 , doc (showString "->") , prt 0 exp1])
- FieldType cident exp -> prPrec _i 0 (concatD [prt 0 cident , doc (showString ":") , prt 0 exp])
- FieldValue cident exp -> prPrec _i 0 (concatD [prt 0 cident , doc (showString "=") , prt 0 exp])
- TMeta str -> prPrec _i 0 (doc (showString str))
- CIdent str -> prPrec _i 0 (doc (showString str))
-
-instance Print [Decl] where
- prt _ es = case es of
- [] -> (concatD [])
- [x] -> (concatD [prt 0 x])
- x:xs -> (concatD [prt 0 x , doc (showString ";") , prt 0 xs])
-instance Print [ConsDecl] where
- prt _ es = case es of
- [] -> (concatD [])
- [x] -> (concatD [prt 0 x])
- x:xs -> (concatD [prt 0 x , doc (showString ";") , prt 0 xs])
-instance Print [Pattern] where
- prt _ es = case es of
- [] -> (concatD [])
- x:xs -> (concatD [prt 0 x , prt 0 xs])
-instance Print [FieldPattern] where
- prt _ es = case es of
- [] -> (concatD [])
- [x] -> (concatD [prt 0 x])
- x:xs -> (concatD [prt 0 x , doc (showString ";") , prt 0 xs])
-instance Print [LetDef] where
- prt _ es = case es of
- [] -> (concatD [])
- [x] -> (concatD [prt 0 x])
- x:xs -> (concatD [prt 0 x , doc (showString ";") , prt 0 xs])
-instance Print [Case] where
- prt _ es = case es of
- [] -> (concatD [])
- [x] -> (concatD [prt 0 x])
- x:xs -> (concatD [prt 0 x , doc (showString ";") , prt 0 xs])
-instance Print [FieldType] where
- prt _ es = case es of
- [] -> (concatD [])
- [x] -> (concatD [prt 0 x])
- x:xs -> (concatD [prt 0 x , doc (showString ";") , prt 0 xs])
-instance Print [FieldValue] where
- prt _ es = case es of
- [] -> (concatD [])
- [x] -> (concatD [prt 0 x])
- x:xs -> (concatD [prt 0 x , doc (showString ";") , prt 0 xs])