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-rw-r--r--haddock-api/src/Haddock/Backends/Hyperlinker/Ast.hs7
-rw-r--r--haddock-api/src/Haddock/Backends/Hyperlinker/Parser.hs1
2 files changed, 7 insertions, 1 deletions
diff --git a/haddock-api/src/Haddock/Backends/Hyperlinker/Ast.hs b/haddock-api/src/Haddock/Backends/Hyperlinker/Ast.hs
index 05d6a52e..2749096e 100644
--- a/haddock-api/src/Haddock/Backends/Hyperlinker/Ast.hs
+++ b/haddock-api/src/Haddock/Backends/Hyperlinker/Ast.hs
@@ -33,7 +33,7 @@ enrich :: GHC.RenamedSource -> [Token] -> [RichToken]
enrich src =
map $ \token -> RichToken
{ rtkToken = token
- , rtkDetails = lookupBySpan (tkSpan token) detailsMap
+ , rtkDetails = enrichToken token detailsMap
}
where
detailsMap = concat
@@ -45,6 +45,11 @@ enrich src =
type DetailsMap = [(GHC.SrcSpan, TokenDetails)]
+enrichToken :: Token -> DetailsMap -> Maybe TokenDetails
+enrichToken (Token typ _ spn) dm
+ | typ `elem` [TkIdentifier, TkOperator] = lookupBySpan spn dm
+enrichToken _ _ = Nothing
+
lookupBySpan :: Span -> DetailsMap -> Maybe TokenDetails
lookupBySpan tspan = listToMaybe . map snd . filter (matches tspan . fst)
diff --git a/haddock-api/src/Haddock/Backends/Hyperlinker/Parser.hs b/haddock-api/src/Haddock/Backends/Hyperlinker/Parser.hs
index 0e1ad5b2..70a69279 100644
--- a/haddock-api/src/Haddock/Backends/Hyperlinker/Parser.hs
+++ b/haddock-api/src/Haddock/Backends/Hyperlinker/Parser.hs
@@ -37,6 +37,7 @@ data TokenType
| TkCpp
| TkPragma
| TkUnknown
+ deriving (Eq)
parse :: String -> [Token]
parse = tokenize . tag . chunk