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Added cardinality to type checking

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macocianradu
2021-12-01 01:40:26 +01:00
parent ff25395b68
commit 9210c78beb
5 changed files with 120 additions and 70 deletions
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5
src/Semantic/FunctionChecker.hs
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@@ -9,7 +9,10 @@ import Data.Either
-- |Checks if all the inputs and the out of a function call have valid types, and then checks that the assign-output expression is valid
checkFunction :: ([Type], [Symbol]) -> Function -> Either [TypeCheckError] Function
checkFunction (definedTypes, definedFunctions) (MakeFunction name desc inp out ex)
| isRight checkedEx && isRight checkedOut && null (lefts checkedIn) = Right $ MakeFunction name desc (rights checkedIn) (fromRightUnsafe checkedOut) ex
| isRight checkedEx && isRight checkedOut && null (lefts checkedIn) =
case typeMatch (attributeType $ fromRightUnsafe checkedOut, Model.Type.cardinality out) (fromRightUnsafe checkedEx) of
Right _ -> Right $ MakeFunction name desc (rights checkedIn) (fromRightUnsafe checkedOut) ex
Left err -> Left [err]
| otherwise = Left $ lefts [checkedOut] ++ lefts checkedIn ++ lefts [checkedEx]
where
checkedEx = checkExpression definedFunctions ex