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Revise binaryOperator assignment

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This commit is contained in:
Rick Winfrey 2017-05-18 16:10:55 -07:00
parent b0e4c60d6e
commit 4fcdaff32c
1 changed files with 2 additions and 3 deletions
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src/Language/Python/Syntax.hs
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@ -86,10 +86,9 @@ unaryOperator = makeTerm <$> symbol UnaryOperator <*> children ( Expression.UCo
<|> Expression.UPlus <$> (symbol AnonPlus *> expression))
binaryOperator :: HasCallStack => Assignment (Node Grammar) (Term Syntax Location)
binaryOperator = symbol BinaryOperator >>= \ location -> children (expression >>= \ lexpression ->
makeTerm location <$> arithmetic lexpression
<|> makeTerm location <$> bitwise lexpression)
binaryOperator = symbol BinaryOperator >>= \ location -> exit location arithmetic <|> exit location bitwise
where
exit location constructor = children (expression >>= \ lexpression -> makeTerm location <$> constructor lexpression)
arithmetic lexpression = symbol AnonPlus *> (Expression.Plus lexpression <$> expression)
<|> symbol AnonMinus *> (Expression.Minus lexpression <$> expression)
<|> symbol AnonStar *> (Expression.Times lexpression <$> expression)