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Added local environments to functions

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macocianradu
2021-12-01 15:13:06 +01:00
parent 7c7c5a4a35
commit a8c5438d79
3 changed files with 7 additions and 7 deletions
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src/Semantic/ExpressionChecker.hs
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@@ -59,13 +59,12 @@ defaultMap = [
-- |Checks whether a function is valid (inputs, outputs are of valid type and all variables are defined) and adds it to the symbol table
addFunction :: ([Type], [Symbol]) -> Function -> Either [TypeCheckError] [Symbol]
addFunction (definedTypes, definedSymbols) (MakeFunction name _ inps out _)
| null (lefts checkedInputs) && isRight checkedOutput = Right $ Func name (map typeAndCardinality (rights checkedInputs)) (attributeType $ fromRightUnsafe checkedOutput, Model.Type.cardinality out) : allSymbols
| null (lefts checkedInputs) && isRight checkedOutput = Right $ Func name (map typeAndCardinality (rights checkedInputs)) (attributeType $ fromRightUnsafe checkedOutput, Model.Type.cardinality out) : definedSymbols
| isLeft checkedOutput = Left [fromLeftUnsafe checkedOutput]
| otherwise = Left $ lefts checkedInputs
where
checkedInputs = checkAttributes definedTypes inps
checkedOutput = head $ checkAttributes definedTypes [out]
allSymbols = addVariables definedSymbols inps
-- |Adds a newly defined variable to the symbol table
addVariables :: [Symbol] -> [TypeAttribute] -> [Symbol]