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diagnostic error message in GrammarToHaskell

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aarne
2007-11-15 17:09:33 +00:00
parent 39d39f7e93
commit 3c7e6724a3
1 changed files with 2 additions and 1 deletions
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src/GF/API/GrammarToHaskell.hs
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@@ -248,6 +248,7 @@ updateSkeleton cat skel rule =
case skel of case skel of
(cat0,rules):rr | cat0 == cat -> (cat0, rule:rules) : rr (cat0,rules):rr | cat0 == cat -> (cat0, rule:rules) : rr
(cat0,rules):rr -> (cat0, rules) : updateSkeleton cat rr rule (cat0,rules):rr -> (cat0, rules) : updateSkeleton cat rr rule
_ -> error $ cat ++ ": updating empty skeleton with" +++ show rule
isListCat :: (OIdent, [(OIdent, [OIdent])]) -> Bool isListCat :: (OIdent, [(OIdent, [OIdent])]) -> Bool
isListCat (cat,rules) = "List" `isPrefixOf` cat && length rules == 2 isListCat (cat,rules) = "List" `isPrefixOf` cat && length rules == 2