{- Copyright (C) 2012 Kacper Bak, Jimmy Liang Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. -} -- | Generates Python representation of IR for the . module Language.Clafer.Generator.Python where import Language.Clafer.Common import Language.Clafer.Front.Absclafer import Language.Clafer.Intermediate.Intclafer import Data.Char tag:: String -> String -> String tag name exp' = concat ["<", name, ">", exp', "\n"] --Maybe a -> (a -> [Char]) -> [Char] --optTag elem f = maybe "" f elem tagType :: String -> String -> String -> String tagType name typename exp' = opening ++ rest where opening = concat ["<", name, " xsi:type=\"cl:", typename, "\""] rest | null exp' =" />" | otherwise = concat [">", exp', ""] genPythonInteger :: Integer -> String genPythonInteger n = concat ["IntegerLiteral.IntegerLiteral(", show n, ")" ] -- might need to include IntegerLiteral isNull :: String -> String isNull [] = "\"\"" isNull x = x boolHelper:: String -> String boolHelper (x:xs) = toUpper x : xs boolHelper [] = [] genPythonBoolean :: String -> Bool -> String genPythonBoolean label b = concat [label, "=", boolHelper $ toLowerS $ show b] genPythonString :: String -> String genPythonString str = concat [ "StringLiteral.StringLiteral(", show str, ")"] -- might need to include StringLiteral genPythonIntPair :: (Integer, Integer) -> String genPythonIntPair (x, y) = concat [ "(", genPythonInteger x , "," , genPythonInteger y, ")"] -- | Generate an API for the IR in Python genPythonModule :: IModule -> Result genPythonModule imodule = concat [ "from ast import Module\n" , "from ast import GCard\n" , "from ast import Supers\n" , "from ast import Clafer\n" , "from ast import Exp\n" , "from ast import Declaration\n" , "from ast import LocalDeclaration\n" , "from ast import IRConstraint\n" , "from ast import FunExp\n" , "from ast import ClaferId\n" , "from ast import DeclPExp\n" , "from ast import Goal\n\n" , "from ast import IntegerLiteral\n" , "from ast import DoubleLiteral\n" , "from ast import StringLiteral\n" , "def getModule():\n" , "\tstack = []\n" , "\tmodule = Module.Module(\"\")\n" , "\tstack.append(module)\n" , concatMap genPythonElement $ _mDecls imodule , "\treturn module" ] genPythonClafer :: IClafer -> Result genPythonClafer x = case x of IClafer pos' abstract' gcard' id' uid' super' card' glcard' elements' -> concat [ "\t", genPythonPosition pos', "\n" , "\t", genPythonAbstract abstract', "\n" , "\t", maybe "" genPythonGCard gcard', "\n" , "\t", genPythonId id', "\n" , "\t", genPythonUid uid', "\n" , "\t", genPythonSuper super', "\n" , "\t", maybe "" genPythonCard card', "\n" , "\t", genPythonGlCard glcard', "\n" , "\tcurrClafer = Clafer.Clafer(pos=pos, isAbstract=isAbstract, gcard=groupCard, ident=id, uid=uid, my_supers=my_supers, card=card, glCard=globalCard)\n" , "\tstack[-1].addElement(currClafer)\n" , "\tstack.append(currClafer)\n" , concatMap genPythonElement elements' , "\tstack.pop()\n"] genPythonAbstract :: Bool -> String genPythonAbstract isAbstract' = concat [ genPythonBoolean "isAbstract" isAbstract'] genPythonGCard :: IGCard -> String genPythonGCard (IGCard isKeyword' interval') = concat [ "groupCard = GCard.GCard(", genPythonBoolean "isKeyword" isKeyword', ", " , "interval=" , genPythonInterval interval' , ")"] genPythonInterval :: (Integer, Integer) -> String genPythonInterval (nMin, nMax) = concat [ "(", genPythonInteger nMin , ",", genPythonInteger nMax , ")"] genPythonId :: String -> String genPythonId ident' = concat[ "id=\"", ident', "\""] genPythonUid :: String -> String genPythonUid uid' = concat [ "uid=\"", uid', "\""] genPythonSuper :: ISuper -> String genPythonSuper x = case x of ISuper isOverlapping' pexps' -> concat [ "my_supers = Supers.Supers(", genPythonBoolean "isOverlapping" isOverlapping', ", elements=[" , concatMap (genPythonPExp "Super") pexps' , "])"] genPythonCard :: (Integer, Integer) -> String genPythonCard interval' = concat [ "card=" , genPythonInterval interval'] genPythonGlCard :: (Integer, Integer) -> String genPythonGlCard interval' = concat ["globalCard=", genPythonInterval interval'] genPythonElement :: IElement -> String genPythonElement x = case x of IEClafer clafer' -> concat ["##### clafer #####\n" ,genPythonClafer clafer'] IEConstraint isHard' pexp' -> concat [ "##### constraint #####\n", "\tconstraint = IRConstraint.IRConstraint(" , genPythonBoolean "isHard" isHard' , " ," , " exp=", genPythonPExp "ParentExp" pexp' , ")\n" , "\tstack[-1].addElement(constraint)\n"] IEGoal isMaximize' pexp' -> concat [ "##### goal #####\n" ,"\tgoal = Goal.Goal(" , genPythonBoolean "isMaximize" isMaximize' , ", exp=", genPythonPExp "ParentExp" pexp' , ")\n" , "\tstack[-1].addElement(goal)\n"] {-genPythonAnyOp ft f xs = concatMap (\(tname, texp) -> tagType tname (ft texp) $ f texp) xs -} genPythonPExp :: String -> PExp -> String genPythonPExp tagName (PExp iType' pid' pos' iexp') = concat [ "\n\t\tExp.Exp","(expType=\"", tagName, "\", ", maybe "exptype=\"\"" genPythonIType iType' , ", parentId=\"", pid', "\"" , ", " , genPythonPosition pos' , ", iExpType=\"" , genPythonIExpType iexp' , "\"" , ", iExp=[" , genPythonIExp iexp' ,"])"] genPythonPosition :: Span -> String genPythonPosition (Span (Pos s1 s2) (Pos e1 e2)) = concat [ "pos=(", genPythonIntPair (s1, s2), ", ", genPythonIntPair (e1, e2), ")"] genPythonIExpType :: IExp -> String genPythonIExpType x = case x of IDeclPExp _ _ _ -> "IDeclarationParentExp" IFunExp _ _ -> "IFunctionExp" IInt _ -> "IIntExp" IDouble _ -> "IDoubleExp" IStr _ -> "IStringExp" IClaferId _ _ _ -> "IClaferId" declHelper :: [IDecl] -> String declHelper [] = "None, " declHelper x = concatMap genPythonDecl x genPythonIExp :: IExp -> String genPythonIExp x = case x of IDeclPExp quant' decls' pexp' -> concat [ "DeclPExp.DeclPExp(" , "quantifier=\"", (genPythonQuantType quant'), "\", " , "declaration=", declHelper decls' , "bodyParentExp=" , genPythonPExp "BodyParentExp" pexp', ")"] IFunExp op' exps' -> concat [ "FunExp.FunExp(operation=\"" , (if op' == "-" && length exps' == 1 then "UNARY_MINUS" else op') , "\", elements=" , "[", concatMap (\y -> genPythonPExp "Argument" y ++",") (init exps') , genPythonPExp "Argument" (last exps') ,"])" ] {- where escape '\"'=""" escape '\''="'" escape '<' ="<" escape '>' =">" escape '&' ="&" escape x = [x] -} IInt n -> genPythonInteger n IDouble n -> concat [ "DoubleLiteral.DoubleLiteral(", show n, ")"] --DoubleLiteral IStr str -> genPythonString str IClaferId modName' sident' isTop' -> concat [ "ClaferId.ClaferId(moduleName=\"", modName' , "\", " , "my_id=\"", sident' , "\", " , genPythonBoolean "isTop" isTop', ")"] genPythonDecl :: IDecl -> String genPythonDecl (IDecl disj locids pexp) = concat [ "\n\t\tDeclaration.Declaration(" , genPythonBoolean "isDisjunct" disj, ", localDeclarations=[" , concatMap (\x -> "LocalDeclaration.LocalDeclaration(\"" ++ x ++ "\"), ") (init locids), "LocalDeclaration.LocalDeclaration(\"" , (last locids), "\")], " , " body=", genPythonPExp "Body" pexp , "),"] genPythonQuantType :: IQuant -> String genPythonQuantType x = case x of INo -> "No" ILone -> "Lone" IOne -> "One" ISome -> "Some" IAll -> "All" genPythonITypeType :: IType -> String genPythonITypeType x = case x of TBoolean -> "Boolean" TString -> "String" TInteger -> "Integer" TReal -> "Real" TClafer _-> "Set" -- In the future, TRef might be needed in the Python IR. -- For now, keep it simple. --TRef t -> genPythonITypeType t genPythonIType :: IType -> String genPythonIType x = concat [ "exptype=\"", (genPythonITypeType x), "\"" ]