forked from GitHub/gf-core
Added meta variables to transfer front-end and core.
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@@ -79,6 +79,7 @@ data Tree :: * -> * where
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EType :: Tree Exp_
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EStr :: String -> Tree Exp_
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EInt :: Integer -> Tree Exp_
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EMeta :: Tree Exp_
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LetDef :: Ident -> Exp -> Exp -> Tree LetDef_
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Case :: Pattern -> Exp -> Tree Case_
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VVar :: Ident -> Tree VarOrWild_
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@@ -238,6 +239,7 @@ instance Show (Tree c) where
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EType -> showString "EType"
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EStr str -> opar n . showString "EStr" . showChar ' ' . showsPrec 1 str . cpar n
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EInt n -> opar n . showString "EInt" . showChar ' ' . showsPrec 1 n . cpar n
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EMeta -> showString "EMeta"
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LetDef i exp0 exp1 -> opar n . showString "LetDef" . showChar ' ' . showsPrec 1 i . showChar ' ' . showsPrec 1 exp0 . showChar ' ' . showsPrec 1 exp1 . cpar n
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Case pattern exp -> opar n . showString "Case" . showChar ' ' . showsPrec 1 pattern . showChar ' ' . showsPrec 1 exp . cpar n
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VVar i -> opar n . showString "VVar" . showChar ' ' . showsPrec 1 i . cpar n
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@@ -296,6 +298,7 @@ johnMajorEq (EVar i) (EVar i_) = i == i_
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johnMajorEq EType EType = True
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johnMajorEq (EStr str) (EStr str_) = str == str_
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johnMajorEq (EInt n) (EInt n_) = n == n_
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johnMajorEq EMeta EMeta = True
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johnMajorEq (LetDef i exp0 exp1) (LetDef i_ exp0_ exp1_) = i == i_ && exp0 == exp0_ && exp1 == exp1_
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johnMajorEq (Case pattern exp) (Case pattern_ exp_) = pattern == pattern_ && exp == exp_
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johnMajorEq (VVar i) (VVar i_) = i == i_
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@@ -353,13 +356,14 @@ instance Ord (Tree c) where
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index (EType ) = 42
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index (EStr _) = 43
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index (EInt _) = 44
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index (LetDef _ _ _) = 45
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index (Case _ _) = 46
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index (VVar _) = 47
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index (VWild ) = 48
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index (FieldType _ _) = 49
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index (FieldValue _ _) = 50
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index (Ident _) = 51
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index (EMeta ) = 45
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index (LetDef _ _ _) = 46
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index (Case _ _) = 47
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index (VVar _) = 48
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index (VWild ) = 49
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index (FieldType _ _) = 50
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index (FieldValue _ _) = 51
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index (Ident _) = 52
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compareSame (Module imports decls) (Module imports_ decls_) = mappend (compare imports imports_) (compare decls decls_)
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compareSame (Import i) (Import i_) = compare i i_
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compareSame (DataDecl i exp consdecls) (DataDecl i_ exp_ consdecls_) = mappend (compare i i_) (mappend (compare exp exp_) (compare consdecls consdecls_))
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@@ -405,6 +409,7 @@ instance Ord (Tree c) where
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compareSame EType EType = EQ
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compareSame (EStr str) (EStr str_) = compare str str_
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compareSame (EInt n) (EInt n_) = compare n n_
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compareSame EMeta EMeta = EQ
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compareSame (LetDef i exp0 exp1) (LetDef i_ exp0_ exp1_) = mappend (compare i i_) (mappend (compare exp0 exp0_) (compare exp1 exp1_))
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compareSame (Case pattern exp) (Case pattern_ exp_) = mappend (compare pattern pattern_) (compare exp exp_)
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compareSame (VVar i) (VVar i_) = compare i i_
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