From 582040e5d3f6a5fb5b9046964b6823891d2802dd Mon Sep 17 00:00:00 2001 From: Eugen Wissner Date: Sun, 13 Oct 2024 12:59:47 +0200 Subject: Implement comparison operators --- lib/Language/Elna/Frontend/AST.hs | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) (limited to 'lib/Language/Elna/Frontend/AST.hs') diff --git a/lib/Language/Elna/Frontend/AST.hs b/lib/Language/Elna/Frontend/AST.hs index 68ac581..5918e8e 100644 --- a/lib/Language/Elna/Frontend/AST.hs +++ b/lib/Language/Elna/Frontend/AST.hs @@ -146,18 +146,18 @@ instance Show VariableAccess -} data Condition = EqualCondition Expression Expression - -- | NonEqualCondition Expression Expression - -- | LessCondition Expression Expression - -- | GreaterCondition Expression Expression - -- | LessOrEqualCondition Expression Expression - -- | GreaterOrEqualCondition Expression Expression + | NonEqualCondition Expression Expression + | LessCondition Expression Expression + | GreaterCondition Expression Expression + | LessOrEqualCondition Expression Expression + | GreaterOrEqualCondition Expression Expression deriving Eq instance Show Condition where show (EqualCondition lhs rhs) = concat [show lhs, " = ", show rhs] - -- show (NonEqualCondition lhs rhs) = concat [show lhs, " # ", show rhs] - -- show (LessCondition lhs rhs) = concat [show lhs, " < ", show rhs] - -- show (GreaterCondition lhs rhs) = concat [show lhs, " > ", show rhs] - -- show (LessOrEqualCondition lhs rhs) = concat [show lhs, " <= ", show rhs] - -- show (GreaterOrEqualCondition lhs rhs) = concat [show lhs, " >= ", show rhs] + show (NonEqualCondition lhs rhs) = concat [show lhs, " # ", show rhs] + show (LessCondition lhs rhs) = concat [show lhs, " < ", show rhs] + show (GreaterCondition lhs rhs) = concat [show lhs, " > ", show rhs] + show (LessOrEqualCondition lhs rhs) = concat [show lhs, " <= ", show rhs] + show (GreaterOrEqualCondition lhs rhs) = concat [show lhs, " >= ", show rhs] -- cgit v1.2.3