forked from GitHub/gf-core
Convert from Text.PrettyPrint to GF.Text.Pretty
All compiler modules now use GF.Text.Pretty instead of Text.PrettyPrint
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@@ -20,7 +20,7 @@ module GF.Grammar.Unify (unifyVal) where
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import GF.Grammar
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import GF.Data.Operations
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import Text.PrettyPrint
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import GF.Text.Pretty
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import Data.List (partition)
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unifyVal :: Constraints -> Err (Constraints,MetaSubst)
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@@ -64,13 +64,13 @@ unify e1 e2 g =
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unify b c' g
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(App c a, App d b) -> case unify c d g of
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Ok g1 -> unify a b g1
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_ -> Bad (render (text "fail unify" <+> ppTerm Unqualified 0 e1))
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_ -> Bad (render ("fail unify" <+> ppTerm Unqualified 0 e1))
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(RecType xs,RecType ys) | xs == ys -> return g
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_ -> Bad (render (text "fail unify" <+> ppTerm Unqualified 0 e1))
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_ -> Bad (render ("fail unify" <+> ppTerm Unqualified 0 e1))
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extend :: Unifier -> MetaId -> Term -> Err Unifier
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extend g s t | (t == Meta s) = return g
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| occCheck s t = Bad (render (text "occurs check" <+> ppTerm Unqualified 0 t))
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| occCheck s t = Bad (render ("occurs check" <+> ppTerm Unqualified 0 t))
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| True = return ((s, t) : g)
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subst_all :: Unifier -> Term -> Err Term
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