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Macocian Adrian Radu
3
.gitignore
vendored
3
.gitignore
vendored
@@ -24,3 +24,6 @@ cabal.project.local~
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.idea/
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/resources/Generated/
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.vscode/
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/resources/Rosetta/Try/
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/resources/fxspot.json
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/resources/european contract.json
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@@ -29,8 +29,8 @@ import Parser.Expression (expressionParser)
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-- :l resources/Generated/ContractDSL.hs resources/Generated/ImportsTypes.hs resources/Generated/ImportsEnums.hs
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-- :set args resources/Rosetta/Contracts/contractDSL.rosetta
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-- :set args resources/Rosetta/test-all.rosetta
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-- :l resources/Generated/testAll.hs resources/Generated/testPeriod.hs
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-- :l resources/Generated/ContractDSL.hs resources/Generated/ImportsTypes.hs
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-- :set args resources/Rosetta/Try/contractDSL.rosetta
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-- |Reads a rosetta string from the first input argument and writes a haskell output to the file given as a second argument
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main :: IO ()
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@@ -259,7 +259,7 @@ func ResolveQuantity:
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assign-output resolvedQuantity -> unitOfAmount:
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resolvedValue -> unitOfAmount
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/*
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func CashflowPayoutToContract:
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inputs:
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cashflow Cashflow (1..1)
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@@ -288,13 +288,13 @@ func CashflowPayoutToContract:
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PayoutParty1
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( cashflow
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, MkScale
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( Konst (quantity -> multiplier)
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( Konst (quantity -> multiplier only-element)
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, if fixingDate exists then
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MkGet
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( MkTruncate
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( fixingDate
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, MkScale
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( ExchangeRate(quantity -> unitOfAmount -> currency, settlementTerms -> settlementCurrency)
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( ExchangeRateFunc(quantity -> unitOfAmount, settlementTerms -> settlementCurrency)
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, MkGet
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( MkTruncate
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( settlementTerms -> settlementDate -> valueDate
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@@ -63,7 +63,7 @@ type AdjustableOrRelativeDate:
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adjustableDate AdjustableDate (0..1)
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type AdjustableDate:
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unadjastableDate string (0..1) //date
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unadjustedDate string (0..1) //date
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type ForeignExchange:
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exchangedCurrency1 Cashflow (1..1)
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@@ -64,6 +64,7 @@ data ExplicitExpression = ExplicitEmpty
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| ExplicitFunction {name :: String, args :: [(ExplicitExpression, Coercion)], returnCoercion :: Coercion}
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| ExplicitIfSimple {cond :: (ExplicitExpression, Coercion), block1 :: (ExplicitExpression, Coercion), returnCoercion :: Coercion}
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| ExplicitIfElse {cond :: (ExplicitExpression, Coercion), block1 :: (ExplicitExpression, Coercion), block2 :: (ExplicitExpression, Coercion), returnCoercion :: Coercion}
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deriving (Eq)
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changeCoercion :: ExplicitExpression -> Coercion -> ExplicitExpression
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changeCoercion ExplicitEmpty _ = ExplicitEmpty
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@@ -99,7 +100,7 @@ data TypeCoercion =
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MakeIdCoercion {toType :: Type}
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| MakeSuperCoercion {fromType :: Type, toType :: Type}
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| MakeTypeCoercion {fromType :: Type, toType :: Type, transformType :: String}
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deriving (Show)
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deriving (Eq, Show)
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data CardinalityCoercion =
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MakeCardinalityIdCoercion {toCardinality :: Cardinality}
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@@ -109,11 +110,10 @@ data CardinalityCoercion =
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| MakeMaybe2ListCoercion {fromCardinality :: Cardinality, toCardinality :: Cardinality}
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| MakeObject2MaybeCoercion {fromCardinality :: Cardinality, toCardinality :: Cardinality}
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| MakeObject2ListCoercion {fromCardinality :: Cardinality, toCardinality :: Cardinality}
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deriving (Show)
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deriving (Eq, Show)
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-- |Used to handle polymorphism in Rosetta
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data Coercion = MakeCoercion {typeCoercion :: [TypeCoercion], cardinalityCoercion :: CardinalityCoercion} deriving(Show)
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data Coercion = MakeCoercion {typeCoercion :: [TypeCoercion], cardinalityCoercion :: CardinalityCoercion} deriving(Eq, Show)
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-- |The representation of an attribute of a data type
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data TypeAttribute = MakeTypeAttribute {
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@@ -192,3 +192,6 @@ createCoercion (t, c) = MakeCoercion [MakeIdCoercion t] (MakeCardinalityIdCoerci
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anyListCoercion :: Coercion
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anyListCoercion = MakeCoercion [MakeIdCoercion (BasicType "Any")] (MakeCardinalityIdCoercion (OneBound 0))
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typeFromExpression :: ExplicitExpression -> Type
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typeFromExpression = coercionType . typeCoercion . returnCoercion
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@@ -200,7 +200,7 @@ powerParser =
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boolOpParser :: Parser Expression
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boolOpParser =
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do
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p <- pathExpressionParser
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p <- postfixParser
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op <- lexeme $ observing (string "or" <|> string "and")
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case op of
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Left _ -> return p
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@@ -210,12 +210,16 @@ boolOpParser =
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postfixParser :: Parser Expression
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postfixParser =
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do
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t <- listUnaryOpParser
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t <- pathExpressionParser
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op <- lexeme $ observing $ choice $ fmap (try . string . Text.pack) postfixFunctions
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case op of
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Left _ -> return t
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Right o -> return $ PostfixExp (Text.unpack o) t
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-- |The list of existing postfix Rosetta functions
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postfixFunctions :: [String]
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postfixFunctions = ["exists", "is absent", "count", "only-element", "single exists", "multiple exists"]
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listUnaryOperations :: [String]
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listUnaryOperations = ["sum", "max", "flatten", "min", "join", "only-element", "count", "first", "last", "sort", "distinct"]
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@@ -277,16 +281,12 @@ nestedListOp ex =
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pathExpressionParser :: Parser Expression
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pathExpressionParser =
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do
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var <- postfixParser
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var <- listUnaryOpParser
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op <- lexeme $ observing $ string "->"
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case op of
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Left _ -> return var
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Right _ -> pathExpressionParser >>= \ex -> return $ reverseExpression $ PathExpression var ex
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-- |The list of existing postfix Rosetta functions
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postfixFunctions :: [String]
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postfixFunctions = ["exists", "is absent", "count", "only-element", "single exists", "multiple exists"]
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--------------------------------------------
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-- Auxiliary ------------------------------
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--------------------------------------------
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@@ -297,7 +297,7 @@ reverseExpression (InfixExp op t1 (InfixExp op2 t2 e))
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| precedence op == precedence op2 = InfixExp op2 (reverseExpression (InfixExp op t1 t2)) e
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| otherwise = InfixExp op t1 (InfixExp op2 t2 e)
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reverseExpression (PathExpression e1 (PathExpression e2 e3)) = PathExpression (reverseExpression (PathExpression e1 e2)) e3
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reverseExpression (PathExpression e1 (ListOp op ex2 cond)) = ListOp op cond (reverseExpression (PathExpression e1 ex2))
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reverseExpression (PathExpression e1 (ListOp op ex2 cond)) = ListOp op (reverseExpression (PathExpression e1 ex2)) cond
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reverseExpression (PathExpression e1 (ListUnaryOp op ex2)) = ListUnaryOp op (reverseExpression (PathExpression e1 ex2))
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reverseExpression (ListOp op1 (ListOp op2 ex2 con2) con1) = ListOp op2 (reverseExpression (ListOp op1 ex2 con1)) con2
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reverseExpression (ListOp op1 (ListUnaryOp op2 ex2) con1) = ListUnaryOp op2 (reverseExpression (ListOp op1 ex2 con1))
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@@ -13,6 +13,7 @@ printExpression ExplicitEmpty = "[]"
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printExpression (ExplicitVariable name coer)
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| "item" `isPrefixOf` name = printCoercion coer $ pretty (replacePrefix "item" name "x")
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| otherwise = printCoercion coer $ pretty name
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printExpression (Value "empty" coer) = printCoercion coer "[]"
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printExpression (Value s coer) = printCoercion coer $ pretty s
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printExpression (ExplicitKeyword k) = pretty k
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printExpression (ExplicitEnumCall name val coer) = printCoercion coer $ pretty name <> pretty val
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@@ -25,10 +26,12 @@ printExpression (ExplicitListUnaryOp "only-element" lst coer) = "head" <+> enclo
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printExpression (ExplicitListUnaryOp "flatten" lst coer) = "concat" <+> enclose "(" ")" (nest 4 (line <> printExpression lst))
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printExpression (ExplicitListUnaryOp op lst coer) = pretty op <+> nest 4 (printExpression lst)
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printExpression (ExplicitPath ex1 (ExplicitVariable var ret) returnCoerce)=
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pretty (uncapitalize $ typeName $ coercionType $ typeCoercion $ returnCoercion ex1) <> pretty (capitalize var) <+>
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enclose "(" ")" (printExpression ex1)
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pretty (uncapitalize $ typeName $ typeFromExpression ex1) <> pretty (capitalize var) <+> nest 4 (line <>
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enclose "(" ")" (printCoercion (returnCoercion ex1) (printExpression (ex1{returnCoercion = MakeCoercion [MakeIdCoercion (typeFromExpression ex1)] (MakeCardinalityIdCoercion (Bounds (1,1)))}))))
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printExpression ExplicitPath {} = error "This should never happen. Path Expression 2nd argument is not variable"
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printExpression (ExplicitFunction "exists" args returnCoerce) = printCoercion returnCoerce "isJust" <+> printCoercion (snd $ head args) (printExpression (fst $ head args))
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printExpression (ExplicitFunction "exists" args returnCoerce)
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| toCardinality (cardinalityCoercion (snd (head args))) == Bounds (0, 1) = printCoercion returnCoerce "isJust" <+> enclose "(" ")" (printCoercion (snd $ head args) (printExpression (fst $ head args)))
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| otherwise = printCoercion returnCoerce "length" <+> enclose "(" ")" (printCoercion (snd $ head args) (printExpression (fst $ head args))) <+> ">=" <+> "1"
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printExpression (ExplicitFunction "is absent" args returnCoerce) = printCoercion returnCoerce "isNothing" <+> printCoercion (snd $ head args) (printExpression (fst $ head args))
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printExpression (ExplicitFunction "single exists" args returnCoerce) = printCoercion returnCoerce "length" <+> printCoercion (snd $ head args) (printExpression (fst $ head args)) <+> "==" <+> "1"
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printExpression (ExplicitFunction "multiple exists" args returnCoerce) = printCoercion returnCoerce "length" <+> printCoercion (snd $ head args) (printExpression (fst $ head args)) <+> ">" <+> "1"
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@@ -45,38 +48,90 @@ printExpression (ExplicitFunction "and" args returnCoerce) = printCoercion (snd
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printExpression (ExplicitFunction "or" args returnCoerce) = printCoercion (snd $ head args) (printExpression (fst $ head args)) <+> "||" <+> printCoercion (snd $ head $ tail args) (printExpression (fst $ head $ tail args))
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printExpression (ExplicitFunction name args returnCoerce) =
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if null printedArgs then pretty (uncapitalize name)
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else "(" <> pretty (uncapitalize name) <+> printCoercion returnCoerce (hsep printedArgs) <> ")"
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else pretty (uncapitalize name) <+> printCoercion returnCoerce (hsep (map (enclose "(" ")") printedArgs))
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where printedArgs = zipWith printCoercion [c | (e,c) <- args] [printExpression e | (e, c) <- args]
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printExpression (ExplicitIfSimple cond thenBlock returnCoercion) =
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"if" <+> printCoercion (snd cond) (printExpression (fst cond)) <+>
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"then" <+> printCoercion (snd thenBlock) (printExpression (fst thenBlock)) <+>
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"else" <+> case MakeCoercion [MakeIdCoercion $ coercionType $ typeCoercion returnCoercion] (MakeCardinalityIdCoercion (Bounds (0, 0))) `coercionIncluded` returnCoercion of
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printIf
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(printCoercion (snd cond) (printExpression (fst cond)))
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(printCoercion (snd thenBlock) (printExpression (fst thenBlock)))
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(case MakeCoercion [MakeIdCoercion $ coercionType $ typeCoercion returnCoercion] (MakeCardinalityIdCoercion (Bounds (0, 0))) `coercionIncluded` returnCoercion of
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Left err -> error $ show err
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Right c -> printCoercion c emptyDoc
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printExpression (ExplicitIfElse cond thenBlock elseBlock returnCoercion) =
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"if" <+> printCoercion (snd cond) (printExpression (fst cond)) <+>
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"then" <+> printCoercion (snd thenBlock) (printExpression (fst thenBlock)) <+>
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"else" <+> printCoercion (snd elseBlock) (printExpression (fst elseBlock))
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Right c -> printCoercion c emptyDoc)
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printExpression (ExplicitIfElse (ExplicitFunction op e rc, c) thenBlock elseBlock _)
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| op `elem` ["exists", "only exists"] = case isOneOf (fst (head e)) of
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Nothing -> printIf
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(printCoercion c (printExpression (ExplicitFunction op e rc)))
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(printCoercion (snd thenBlock) (printExpression (fst thenBlock)))
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(printCoercion (snd elseBlock) (printExpression (fst elseBlock)))
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Just ex -> "case" <+> printExpression (fst ex) <+> "of" <+> nest 4
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(line <> pretty (typeName (typeFromExpression (fst ex))) <> pretty (typeName (typeFromExpression (snd ex))) <+> "x" <+> "->"
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<+> printCoercion (snd thenBlock) (printExpression (replace (fst (head e)) (fst thenBlock) "x")) <> line <>
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getCases elseBlock)
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| otherwise =
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printIf (printCoercion c (printExpression (ExplicitFunction op e rc)))
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(printCoercion (snd thenBlock) (printExpression (fst thenBlock)))
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(printCoercion (snd elseBlock) (printExpression (fst elseBlock)))
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printExpression (ExplicitIfElse cond thenBlock elseBlock _) =
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printIf
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(printCoercion (snd cond) (printExpression (fst cond)))
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(printCoercion (snd thenBlock) (printExpression (fst thenBlock)))
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(printCoercion (snd elseBlock) (printExpression (fst elseBlock)))
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printIf :: Doc a -> Doc a -> Doc a -> Doc a
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printIf cond thenBlock elseBlock = "if" <+> cond <+> nest 4 ( line <>
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"then" <+> thenBlock <+> line <>
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"else" <+> elseBlock)
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-- |Converts a coercion into a haskell string
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printCoercion :: Coercion -> Doc a -> Doc a
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printCoercion (MakeCoercion [] crd) d = printCardinalityCoercion crd d
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printCoercion (MakeCoercion (t: ts) crd) d = printTypeCoercion t <> printCoercion (MakeCoercion ts crd) d
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printCoercion (MakeCoercion (t: ts) crd) d = printCoercion (MakeCoercion ts crd) d <> printTypeCoercion t
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printCardinalityCoercion :: CardinalityCoercion -> Doc a -> Doc a
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printCardinalityCoercion (MakeCardinalityIdCoercion _) d = d
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printCardinalityCoercion (MakeListCardinalityCoercion _ _) d = d
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printCardinalityCoercion (MakeNothing2MaybeCoercion _ _) d = "Nothing"
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printCardinalityCoercion (MakeNothing2ListCoercion _ _) d = "[]"
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printCardinalityCoercion (MakeMaybe2ListCoercion _ _) d = "maybeToList" <+> d
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printCardinalityCoercion (MakeObject2MaybeCoercion _ _) d = "Just" <+> d
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printCardinalityCoercion (MakeMaybe2ListCoercion _ _) d = "maybeToList" <+> enclose "(" ")" d
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printCardinalityCoercion (MakeObject2MaybeCoercion _ _) d = "fromJust" <+> enclose "(" ")" d
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printCardinalityCoercion (MakeObject2ListCoercion _ _) d = "[" <> d <> "]"
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printTypeCoercion :: TypeCoercion -> Doc a
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printTypeCoercion (MakeIdCoercion _) = emptyDoc
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printTypeCoercion (MakeSuperCoercion _ _) = "super" <+> emptyDoc
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printTypeCoercion (MakeTypeCoercion _ _ t) = pretty t <+> emptyDoc
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printTypeCoercion (MakeSuperCoercion _ _) = "Super"
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printTypeCoercion (MakeTypeCoercion _ _ t) = pretty t
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-- |Converts a list of type attributes to a Doc with a list of variable names
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printVariableNames :: [TypeAttribute] -> Doc a
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printVariableNames vars = foldl (<+>) emptyDoc (map (pretty . attributeName) vars)
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isOneOf :: ExplicitExpression -> Maybe (ExplicitExpression, ExplicitExpression)
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isOneOf (ExplicitPath e1 e2 c)
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| not (null (conditions (typeFromExpression e1))) &&
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MakeCondition Nothing (Keyword "one-of") `elem` conditions (typeFromExpression e1) = Just (e1, e2)
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| otherwise = Nothing
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isOneOf _ = Nothing
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getCases :: (ExplicitExpression, Coercion) -> Doc a
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getCases (ExplicitIfElse (ExplicitFunction op e rc, c) thn els coer, retCoer)
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| op `elem` ["exists", "only exists"] = case isOneOf (fst (head e)) of
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Nothing -> "_" <+> "->" <+> printExpression (ExplicitIfElse (ExplicitFunction op e rc, c) thn els coer)
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Just ex -> pretty (typeName (typeFromExpression (fst ex))) <> pretty (typeName (typeFromExpression (snd ex))) <+> "x" <+> "->"
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<+> printCoercion (snd thn) (printExpression (replace (fst (head e)) (fst thn) "x")) <> line <>
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getCases els
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getCases (e, c) = "_" <+> "->" <+> printCoercion c (printExpression e)
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replace :: ExplicitExpression -> ExplicitExpression -> String -> ExplicitExpression
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replace e1 (ExplicitPath pe1 pe2 c) x
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| e1 == ExplicitPath pe1 pe2 c = ExplicitVariable x c
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| otherwise = ExplicitPath (replace e1 pe1 x) pe2 c
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replace e1 (ExplicitListUnaryOp op e2 c) x = ExplicitListUnaryOp op (replace e1 e2 x) c
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replace e1 (ExplicitListOp op e2 cond c) x = ExplicitListOp op (replace e1 e2 x) (replace e1 cond x) c
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replace e1 (ExplicitParens e2 c) x = ExplicitParens (replace e1 e2 x) c
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replace e1 (ExplicitFunction op e2 c) x = ExplicitFunction op [(replace e1 (fst e) x, snd e) | e <- e2] c
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replace e1 (ExplicitIfSimple cond e2 c) x = ExplicitIfSimple (replace e1 (fst cond) x, snd cond) (replace e1 (fst e2) x, snd e2) c
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replace e1 (ExplicitIfElse cond thn els c) x = ExplicitIfElse (replace e1 (fst cond) x, snd cond) (replace e1 (fst thn) x, snd thn) (replace e1 (fst els) x, snd els) c
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replace _ e _ = e
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@@ -14,11 +14,15 @@ printHeader (MakeHeader name (Just description) _ imports) =
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show $ vcat ["module" <+> pretty (removePeriods name) <+> "where",
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enclose "{-" "-}" (pretty description),
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emptyDoc,
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"import" <+> "Data.List",
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"import" <+> "Data.Maybe",
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vcat (map printImport imports),
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emptyDoc]
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printHeader (MakeHeader name Nothing _ imports) =
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show $ vcat ["module" <+> pretty (removePeriods name) <+> "where",
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emptyDoc,
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"import" <+> "Data.List",
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"import" <+> "Data.Maybe",
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vcat (map printImport imports),
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emptyDoc]
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@@ -33,6 +33,7 @@ printAttributes :: String -> [Condition] -> [TypeAttribute] -> Doc a
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printAttributes objName conditions ats
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| MakeCondition Nothing (Keyword "one-of") `elem` conditions = vcat [nest 4 $ vcat $
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zipWith (<>) ("" : repeat "| ") (map (printSumType objName) (increaseBound ats)) ++ map printCondition conditions, " deriving (Eq)"]
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| null ats = emptyDoc
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| length ats < 2 = vcat [nest 4 $ vcat $
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zipWith (<>) ("" : repeat "| ") (map (printSumType objName) ats) ++ map printCondition conditions, " deriving (Eq)", printDefault objName (objName ++ capitalize (attributeName (head ats))) ats]
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| otherwise = vcat [nest 4 $ vcat ("Make" <> pretty objName <+> "{" :
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@@ -34,7 +34,7 @@ defaultMap :: [Symbol]
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defaultMap = [
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Func "or" [(BasicType "Boolean", Bounds (1, 1)), (BasicType "Boolean", Bounds (1, 1))] (BasicType "Boolean", Bounds (1, 1)),
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Func "and" [(BasicType "Boolean", Bounds (1, 1)), (BasicType "Boolean", Bounds (1, 1))] (BasicType "Boolean", Bounds (1, 1)),
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Func "exists" [(BasicType "Any", Bounds (0, 1))] (BasicType "Boolean", Bounds(1, 1)),
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Func "exists" [(BasicType "Any", OneBound 0)] (BasicType "Boolean", Bounds(1, 1)),
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Func "is absent" [(BasicType "Any", Bounds (0, 1))] (BasicType "Boolean", Bounds (1, 1)),
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Func "single exists" [(BasicType "Any", OneBound 0)] (BasicType "Boolean", Bounds (1, 1)),
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Func "multiple exists" [(BasicType "Any", OneBound 0)] (BasicType "Boolean", Bounds (1, 1)),
|
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@@ -80,7 +80,14 @@ listFunctionTypes :: Coercion -> Coercion -> [(String, Coercion, Coercion)]
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listFunctionTypes inp ex = [
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||||
-- The function given to a filter must be boolean and it can return anything
|
||||
("filter", MakeCoercion [MakeIdCoercion (BasicType "Boolean")] (MakeCardinalityIdCoercion (OneBound 0)), inp),
|
||||
("map", MakeCoercion [MakeIdCoercion (BasicType "Any")] (MakeCardinalityIdCoercion (OneBound 0)), ex)
|
||||
("map", MakeCoercion [MakeIdCoercion (BasicType "Any")] (MakeCardinalityIdCoercion (OneBound 0)), MakeCoercion (typeCoercion ex) (cardinalityCoercion inp)),
|
||||
("reduce", MakeCoercion [MakeIdCoercion (BasicType "Any")] (MakeCardinalityIdCoercion (Bounds (1, 1))), ex)
|
||||
]
|
||||
|
||||
listUnaryFunctionTypes :: Coercion -> [(String, Coercion)]
|
||||
listUnaryFunctionTypes inp = [
|
||||
("only-element", MakeCoercion (typeCoercion inp) (MakeCardinalityIdCoercion (Bounds (1, 1)))),
|
||||
("flatten", inp)
|
||||
]
|
||||
|
||||
-- |Checks whether a function is valid (inputs, outputs are of valid type and all variables are defined) and adds it to the symbol table
|
||||
@@ -104,7 +111,7 @@ addVariables s ((MakeTypeAttribute name typ crd _) : vars) = Var name (toHaskel
|
||||
-- |Checks the type of a given expression
|
||||
checkExpression :: [Type] -> [Symbol] -> Expression -> Either TypeCheckError ExplicitExpression
|
||||
--checkExpression sym _ = error $ show sym
|
||||
checkExpression defT symbolMap (Variable var) = findVarType var symbolMap
|
||||
checkExpression _ symbolMap (Variable var) = findVarType var symbolMap
|
||||
checkExpression _ _ (Int val) = Right $ Value val $ MakeCoercion [MakeIdCoercion (BasicType "Integer")] (MakeCardinalityIdCoercion (Bounds (1, 1)))
|
||||
checkExpression _ _ (Real val) = Right $ Value val $ MakeCoercion [MakeIdCoercion (BasicType "Double")] (MakeCardinalityIdCoercion (Bounds (1, 1)))
|
||||
checkExpression _ _ (Boolean val) = Right $ Value val $ MakeCoercion [MakeIdCoercion (BasicType "Boolean")] (MakeCardinalityIdCoercion (Bounds (1, 1)))
|
||||
@@ -116,16 +123,16 @@ checkExpression defT symbolMap (Enum enum val) = case getType enum defT of
|
||||
else Left $ UndefinedVariable val
|
||||
checkExpression defT symbolMap (ListOp op lst cond) =
|
||||
case checkExpression defT symbolMap lst of
|
||||
Left err -> Left err
|
||||
Left err -> Left $ ErrorInsideFunction $ op ++ ": " ++ show err
|
||||
Right checkedLst -> if toCardinality (cardinalityCoercion (returnCoercion checkedLst)) == Bounds(1, 1)
|
||||
then Left $ ListOperationNotOnList $ show lst
|
||||
then Left $ ListOperationNotOnList $ show op ++ ": " ++ show lst
|
||||
else let it = getNextItem symbolMap in
|
||||
case checkExpression defT
|
||||
(addVariables symbolMap [MakeTypeAttribute it (coercionType $ typeCoercion $ returnCoercion checkedLst) (toCardinality $ cardinalityCoercion $ returnCoercion checkedLst) Nothing])
|
||||
(addVariables symbolMap [MakeTypeAttribute it (typeFromExpression checkedLst) (Bounds (1,1)) Nothing])
|
||||
(replaceVar cond it) of
|
||||
Left err -> Left err
|
||||
Left err -> Left $ ErrorInsideFunction $ op ++ ": " ++ show err
|
||||
Right condType -> case returnCoercion condType `coercionIncluded` head [snd3 x | x <- listOps, fst3 x == op] of
|
||||
Left err -> Left err
|
||||
Left err -> Left $ ErrorInsideFunction $ op ++ ": " ++ show err
|
||||
Right checkedCond -> Right $ ExplicitListOp op checkedLst (changeCoercion condType checkedCond) (head [trd3 x | x <- listOps, fst3 x == op])
|
||||
where
|
||||
listOps = listFunctionTypes (returnCoercion checkedLst) (returnCoercion condType)
|
||||
@@ -133,17 +140,22 @@ checkExpression defT symbolMap (ListUnaryOp op lst) =
|
||||
case checkExpression defT symbolMap lst of
|
||||
Left err -> Left $ ErrorInsideFunction $ op ++ ": " ++ show err
|
||||
Right checkedLst -> if toCardinality (cardinalityCoercion (returnCoercion checkedLst)) == Bounds(1, 1)
|
||||
then Left $ ListOperationNotOnList $ show lst
|
||||
else Right $ ExplicitListUnaryOp op checkedLst (returnCoercion checkedLst)
|
||||
then Left $ ListOperationNotOnList $ show op ++ ": " ++ show lst
|
||||
else if op `elem` map fst (listUnaryFunctionTypes (returnCoercion checkedLst))
|
||||
then Right $ ExplicitListUnaryOp op checkedLst (head [snd x | x <- listUnaryFunctionTypes (returnCoercion checkedLst), fst x == op])
|
||||
else Left $ UndefinedFunction op
|
||||
checkExpression _ _ (Keyword k) = Right $ ExplicitKeyword k
|
||||
checkExpression defT symbolMap (PathExpression ex1 (Variable b)) =
|
||||
case checkExpression defT symbolMap ex1 of
|
||||
Left err -> Left err
|
||||
Right exp1 -> case findAttributeTypeRec defT b type1 of
|
||||
Left err -> Left $ UndefinedVariable $ show (typeName type1) ++ " -> " ++ b
|
||||
Right exp2 -> Right $ ExplicitPath exp1 exp2 (returnCoercion exp2)
|
||||
Right exp2 -> case Bounds(1, 1) `cardinalityIncluded` crd1 of
|
||||
Left err -> Left $ PathExpressionOnList (show ex1)
|
||||
Right c -> Right $ ExplicitPath (changeCoercion exp1 ((returnCoercion exp1){cardinalityCoercion = c})) exp2 (returnCoercion exp2)
|
||||
where
|
||||
type1 = coercionType $ typeCoercion $ returnCoercion exp1
|
||||
type1 = typeFromExpression exp1
|
||||
crd1 = toCardinality $ cardinalityCoercion $ returnCoercion exp1
|
||||
-- |Getting here means that an expression is used inside a path expression and this is not supported
|
||||
checkExpression _ _ (PathExpression _ ex) = Left $ UnsupportedExpressionInPathExpression $ show ex
|
||||
--checkExpression symbolMap (PathExpression ex1 (PathExpression ))
|
||||
@@ -161,17 +173,17 @@ checkExpression defT symbolMap (IfSimple cond ex) =
|
||||
case checkExpression defT symbolMap cond of
|
||||
Left err -> Left $ IfConditionNotBoolean $ show err
|
||||
Right condType -> case returnCoercion condType `coercionIncluded` MakeCoercion [MakeIdCoercion (BasicType "Boolean")] (MakeCardinalityIdCoercion (Bounds (1, 1))) of
|
||||
Left err -> Left $ IfConditionNotBoolean $ show cond ++ " :: " ++ show (coercionType $ typeCoercion $ returnCoercion condType)
|
||||
Left err -> Left $ IfConditionNotBoolean $ show cond ++ " :: " ++ show (typeFromExpression condType)
|
||||
Right condCoerce ->
|
||||
case checkExpression defT symbolMap ex of
|
||||
Left err -> Left err
|
||||
Right thenExp ->
|
||||
Right $ ExplicitIfSimple (condType, condCoerce)
|
||||
(thenExp, thenCoercion)
|
||||
(MakeCoercion [MakeIdCoercion $ coercionType $ typeCoercion $ returnCoercion thenExp]
|
||||
(MakeCoercion [MakeIdCoercion $ typeFromExpression thenExp]
|
||||
(MakeCardinalityIdCoercion $ smallestBound (Bounds (0, 0)) (toCardinality $ cardinalityCoercion $ returnCoercion thenExp)))
|
||||
where
|
||||
thenCoercion = MakeCoercion [MakeIdCoercion $ coercionType $ typeCoercion $ returnCoercion thenExp]
|
||||
thenCoercion = MakeCoercion [MakeIdCoercion $ typeFromExpression thenExp]
|
||||
(MakeCardinalityIdCoercion $ toCardinality $ cardinalityCoercion $ returnCoercion thenExp)
|
||||
|
||||
-- |Checks if the condition of the if statement is of type boolean, and then checks that both the then and else statements have the same type
|
||||
@@ -179,7 +191,7 @@ checkExpression defT symbolMap (IfElse cond ex1 ex2) =
|
||||
case checkExpression defT symbolMap cond of
|
||||
Left err -> Left $ IfConditionNotBoolean $ show err
|
||||
Right condType -> case returnCoercion condType `coercionIncluded` MakeCoercion [MakeIdCoercion (BasicType "Boolean")] (MakeCardinalityIdCoercion (Bounds (1, 1))) of
|
||||
Left err -> Left $ IfConditionNotBoolean $ show cond ++ " :: " ++ show (coercionType $ typeCoercion $ returnCoercion condType)
|
||||
Left err -> Left $ IfConditionNotBoolean $ show cond ++ " :: " ++ show (typeFromExpression condType)
|
||||
Right condCoerce ->
|
||||
case checkExpression defT symbolMap ex1 of
|
||||
Left err -> Left $ ErrorInsideFunction $ show err
|
||||
@@ -187,9 +199,9 @@ checkExpression defT symbolMap (IfElse cond ex1 ex2) =
|
||||
Left err -> Left $ ErrorInsideFunction $ show err
|
||||
Right elseExp ->
|
||||
Right $ ExplicitIfElse (condType, condCoerce)
|
||||
(thenExp, MakeCoercion [MakeIdCoercion $ coercionType $ typeCoercion $ returnCoercion thenExp]
|
||||
(thenExp, MakeCoercion [MakeIdCoercion $ typeFromExpression thenExp]
|
||||
(MakeCardinalityIdCoercion $ toCardinality $ cardinalityCoercion $ returnCoercion thenExp))
|
||||
(elseExp, MakeCoercion [MakeIdCoercion $ coercionType $ typeCoercion $ returnCoercion elseExp]
|
||||
(elseExp, MakeCoercion [MakeIdCoercion $ typeFromExpression elseExp]
|
||||
(MakeCardinalityIdCoercion $ toCardinality $ cardinalityCoercion $ returnCoercion elseExp)) (returnCoercion thenExp)
|
||||
--(typeMatch ex1Type ex2Type, smallestBound ex1Card ex2Type)
|
||||
|
||||
@@ -201,7 +213,7 @@ checkList defT symbs (ex : exps) =
|
||||
case checkExpression defT symbs ex of
|
||||
Left err -> Left err
|
||||
Right x ->
|
||||
case checkList1 defT symbs exps (coercionType $ typeCoercion $ returnCoercion x, toCardinality $ cardinalityCoercion $ returnCoercion x) of
|
||||
case checkList1 defT symbs exps (typeFromExpression x, toCardinality $ cardinalityCoercion $ returnCoercion x) of
|
||||
Left err -> Left err
|
||||
Right exp -> Right $ ExplicitList exp
|
||||
|
||||
@@ -219,12 +231,13 @@ checkList1 defT symbs (ex : exps) typ =
|
||||
Left err -> Left err
|
||||
Right explicitEx -> Right [ExplicitList explicitEx]
|
||||
where
|
||||
exTyp = coercionType $ typeCoercion $ returnCoercion exCo
|
||||
exTyp = typeFromExpression exCo
|
||||
exCard = toCardinality $ cardinalityCoercion $ returnCoercion exCo
|
||||
|
||||
-- |Checks whether the function that is called is already defined with the same argument types
|
||||
checkFunctionCall :: [Symbol] -> String -> [Either TypeCheckError ExplicitExpression ] -> Either TypeCheckError ExplicitExpression
|
||||
checkFunctionCall [] fun args = Left $ UndefinedFunction $ "Undefined function: " ++ fun ++ " [" ++ show (rights args) ++ "]"
|
||||
checkFunctionCall [] fun args = Left $ UndefinedFunction $ "Undefined function: " ++ fun ++ " ["
|
||||
++ show [(typeName $ typeFromExpression x, toCardinality $ cardinalityCoercion $ returnCoercion x) | x <- rights args] ++ "]"
|
||||
checkFunctionCall ((Func n a r):symbolMap) name args
|
||||
| not $ null $ lefts args = Left $ ErrorInsideFunction (name ++ ": " ++ show (lefts args))
|
||||
| name == n = if all isRight coerce then Right $ ExplicitFunction name (zip (rights args) (rights coerce)) (MakeCoercion [MakeIdCoercion (fst r)] (MakeCardinalityIdCoercion (snd r)))
|
||||
@@ -282,8 +295,8 @@ findVarType x (_:symbols) = findVarType x symbols
|
||||
-- |Look for a type attribute in a given type and its super types
|
||||
findAttributeTypeRec :: [Type] -> String -> Type -> Either TypeCheckError ExplicitExpression
|
||||
findAttributeTypeRec _ var (BasicType _) = Left $ UndefinedVariable var
|
||||
findAttributeTypeRec sTable var t = case findAttributeType var (getTypeAttributes sTable t) of
|
||||
Left err -> case findAttributeTypeRec sTable var (superType t) of
|
||||
findAttributeTypeRec defT var t = case findAttributeType var (getTypeAttributes defT t) of
|
||||
Left err -> case findAttributeTypeRec defT var (superType t) of
|
||||
Left err -> Left err
|
||||
Right (ExplicitVariable n (MakeCoercion tc cc)) -> Right $
|
||||
ExplicitVariable n
|
||||
@@ -316,6 +329,7 @@ replaceVar e _ = e
|
||||
|
||||
-- |Checks whether the first argument is a subtype of the second argument
|
||||
isSubType :: Type -> Type -> Either TypeCheckError [TypeCoercion]
|
||||
isSubType (BasicType "Empty") _ = Right [MakeIdCoercion (BasicType "Empty")]
|
||||
isSubType (BasicType "Integer") (BasicType "Double") = Right [MakeTypeCoercion (BasicType "Integer") (BasicType "Double") "fromInteger"]
|
||||
isSubType t (BasicType "Any") = Right [MakeIdCoercion t]
|
||||
isSubType (BasicType x) y
|
||||
@@ -335,14 +349,16 @@ getNextItem symbs
|
||||
-- |Finds the type attributes from a type in the symbol table
|
||||
getTypeAttributes :: [Type] -> Type -> [TypeAttribute]
|
||||
getTypeAttributes [] t = []
|
||||
getTypeAttributes (defT : ts) t
|
||||
| typeName defT == typeName t =
|
||||
getTypeAttributes defT t
|
||||
| t `elem` defT = let typ = head [x | x <- defT, x == t] in
|
||||
[MakeTypeAttribute {attributeName = attributeName attr,
|
||||
attributeType = toHaskell (attributeType attr),
|
||||
Model.Type.cardinality = if MakeCondition Nothing (Keyword "one-of") `elem` conditions defT then Bounds (1,1) else Model.Type.cardinality attr,
|
||||
attributeType = case getType (typeName $ attributeType attr) defT of
|
||||
Left _ -> toHaskell (attributeType attr)
|
||||
Right atTyp -> atTyp,
|
||||
Model.Type.cardinality = Model.Type.cardinality attr,
|
||||
attributeDescription = attributeDescription attr}
|
||||
| attr <- typeAttributes defT]
|
||||
| otherwise = getTypeAttributes ts t
|
||||
| attr <- typeAttributes typ]
|
||||
| otherwise = []
|
||||
|
||||
-- |Checks whether the first cardinality is included into the second one
|
||||
cardinalityIncluded :: Cardinality -> Cardinality -> Either TypeCheckError CardinalityCoercion
|
||||
@@ -354,18 +370,20 @@ cardinalityIncluded (Bounds (0, 0)) (OneBound 0) = Right $ MakeNothing2ListCoerc
|
||||
-- |Transform maybe into list
|
||||
cardinalityIncluded (Bounds (0, 1)) (OneBound 0) = Right $ MakeMaybe2ListCoercion (Bounds (0, 1)) (OneBound 0)
|
||||
-- |Transform object into maybe
|
||||
cardinalityIncluded (Bounds (1, 1)) (Bounds (0, 1)) = Right $ MakeObject2MaybeCoercion (Bounds (0, 1)) (Bounds (0, 1))
|
||||
cardinalityIncluded (Bounds (1, 1)) (Bounds (0, 1)) = Right $ MakeObject2MaybeCoercion (Bounds (1, 1)) (Bounds (0, 1))
|
||||
-- |Transform object into list
|
||||
cardinalityIncluded (Bounds (1, 1)) (OneBound 1) = Right $ MakeObject2ListCoercion (Bounds (0, 1)) (OneBound 1)
|
||||
cardinalityIncluded (Bounds (1, 1)) (OneBound 0) = Right $ MakeObject2ListCoercion (Bounds (0, 1)) (OneBound 1)
|
||||
cardinalityIncluded (Bounds (1, 1)) (OneBound 1) = Right $ MakeObject2ListCoercion (Bounds (1, 1)) (OneBound 1)
|
||||
cardinalityIncluded (Bounds (1, 1)) (OneBound 0) = Right $ MakeObject2ListCoercion (Bounds (1, 1)) (OneBound 1)
|
||||
-- |General
|
||||
cardinalityIncluded (OneBound x) (OneBound y)
|
||||
| x >= y = Right $ MakeListCardinalityCoercion (OneBound x) (OneBound y)
|
||||
| x == y = Right $ MakeCardinalityIdCoercion (OneBound x)
|
||||
| x > y = Right $ MakeListCardinalityCoercion (OneBound x) (OneBound y)
|
||||
| otherwise = Left $ CardinalityMismatch (OneBound x) (OneBound y)
|
||||
cardinalityIncluded (Bounds (x1, y1)) (OneBound y)
|
||||
| x1 >= y = Right $ MakeListCardinalityCoercion (Bounds (x1, y1)) (OneBound y)
|
||||
| otherwise = Left $ CardinalityMismatch (Bounds (x1, y1)) (OneBound y)
|
||||
cardinalityIncluded (OneBound x) (Bounds (x2, y2)) = Left $ CardinalityMismatch (OneBound x) (Bounds (x2, y2))
|
||||
cardinalityIncluded (Bounds (x1, x2)) (Bounds (y1, y2))
|
||||
| x1 == y1 && x2 == y2 = Right $ MakeCardinalityIdCoercion (Bounds (x1, x2))
|
||||
| x1 >= y1 && x2 <= y2 = Right $ MakeListCardinalityCoercion (Bounds (x1, x2)) (Bounds (y1, y2))
|
||||
| otherwise = Left $ CardinalityMismatch (Bounds (x1, x2)) (Bounds (y1, y2))
|
||||
|
||||
@@ -48,4 +48,4 @@ addAliases definedTypes symbolMap (alias : aliases) =
|
||||
Right ex -> case add of
|
||||
Left err -> Left err
|
||||
Right added -> Right (fst added, (fst alias, ex) : snd added)
|
||||
where add = addAliases definedTypes (addVariables symbolMap [MakeTypeAttribute (fst alias) (coercionType $ typeCoercion $ returnCoercion ex) (toCardinality $ cardinalityCoercion $ returnCoercion ex) Nothing]) aliases
|
||||
where add = addAliases definedTypes (addVariables symbolMap [MakeTypeAttribute (fst alias) (typeFromExpression ex) (toCardinality $ cardinalityCoercion $ returnCoercion ex) Nothing]) aliases
|
||||
@@ -18,6 +18,7 @@ data TypeCheckError =
|
||||
| TypeNameReserved String
|
||||
| UnsupportedExpressionInPathExpression String
|
||||
| ListOperationNotOnList String
|
||||
| PathExpressionOnList String
|
||||
deriving (Show)
|
||||
|
||||
-- |Checks whether a data type is valid
|
||||
|
||||
Reference in New Issue
Block a user