diff options
| -rw-r--r-- | haddock-api/src/Haddock/Interface/LexParseRn.hs | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/haddock-api/src/Haddock/Interface/LexParseRn.hs b/haddock-api/src/Haddock/Interface/LexParseRn.hs index 9a978f9f..cbe55dc4 100644 --- a/haddock-api/src/Haddock/Interface/LexParseRn.hs +++ b/haddock-api/src/Haddock/Interface/LexParseRn.hs @@ -104,7 +104,9 @@ rename dflags gre = rn -- We found no names in the env so we start guessing. [] -> case choices of + -- This shouldn't happen as 'dataTcOccs' always returns at least its input. [] -> pure (DocMonospaced (DocString (showPpr dflags x))) + -- There was nothing in the environment so we need to -- pick some default from what's available to us. We -- diverge here from the old way where we would default @@ -113,7 +115,7 @@ rename dflags gre = rn -- type constructor names (such as in #253). So now we -- only get type constructor links if they are actually -- in scope. - a:_ -> pure (outOfScope dflags a) + a:_ -> outOfScope dflags a -- There is only one name in the environment that matches so -- use it. @@ -154,12 +156,15 @@ rename dflags gre = rn -- users shouldn't rely on this doing the right thing. See tickets -- #253 and #375 on the confusion this causes depending on which -- default we pick in 'rename'. -outOfScope :: DynFlags -> RdrName -> Doc a +outOfScope :: DynFlags -> RdrName -> ErrMsgM (Doc a) outOfScope dflags x = case x of - Unqual occ -> monospaced occ - Qual mdl occ -> DocIdentifierUnchecked (mdl, occ) - Orig _ occ -> monospaced occ - Exact name -> monospaced name -- Shouldn't happen since x is out of scope + Unqual occ -> warnAndMonospace occ + Qual mdl occ -> pure (DocIdentifierUnchecked (mdl, occ)) + Orig _ occ -> warnAndMonospace occ + Exact name -> warnAndMonospace name -- Shouldn't happen since x is out of scope where + warnAndMonospace a = do + tell ["Warning: '" ++ showPpr dflags a ++ "' is out of scope."] + pure (monospaced a) monospaced a = DocMonospaced (DocString (showPpr dflags a)) |