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-rw-r--r--haddock-library/src/Documentation/Haddock/Parser.hs50
1 files changed, 28 insertions, 22 deletions
diff --git a/haddock-library/src/Documentation/Haddock/Parser.hs b/haddock-library/src/Documentation/Haddock/Parser.hs
index 110a0de4..94750ad4 100644
--- a/haddock-library/src/Documentation/Haddock/Parser.hs
+++ b/haddock-library/src/Documentation/Haddock/Parser.hs
@@ -210,9 +210,16 @@ picture = DocPic . makeLabeled Picture . decodeUtf8
-- | Paragraph parser, called by 'parseParas'.
paragraph :: Parser (DocH mod Identifier)
-paragraph = examples <|> skipSpace *> (list <|> birdtracks <|> codeblock
- <|> property <|> header
- <|> textParagraph)
+paragraph = examples <|> skipSpace *> (
+ unorderedList
+ <|> orderedList
+ <|> definitionList
+ <|> birdtracks
+ <|> codeblock
+ <|> property
+ <|> header
+ <|> textParagraph
+ )
-- | Headers inside the comment denoted with @=@ signs, up to 6 levels
-- deep.
@@ -233,20 +240,17 @@ header = do
textParagraph :: Parser (DocH mod Identifier)
textParagraph = docParagraph . parseString . intercalate "\n" <$> many1 nonEmptyLine
--- | List parser, called by 'paragraph'.
-list :: Parser (DocH mod Identifier)
-list = DocUnorderedList <$> unorderedList
- <|> DocOrderedList <$> orderedList
- <|> DocDefList <$> definitionList
-
-- | Parses unordered (bullet) lists.
-unorderedList :: Parser [DocH mod Identifier]
-unorderedList = ("*" <|> "-") *> innerList unorderedList
+unorderedList :: Parser (DocH mod Identifier)
+unorderedList = DocUnorderedList <$> p
+ where
+ p = ("*" <|> "-") *> innerList p
-- | Parses ordered lists (numbered or dashed).
-orderedList :: Parser [DocH mod Identifier]
-orderedList = (paren <|> dot) *> innerList orderedList
+orderedList :: Parser (DocH mod Identifier)
+orderedList = DocOrderedList <$> p
where
+ p = (paren <|> dot) *> innerList p
dot = (decimal :: Parser Int) <* "."
paren = "(" *> decimal <* ")"
@@ -265,15 +269,17 @@ innerList item = do
Right i -> contents : i
-- | Parses definition lists.
-definitionList :: Parser [(DocH mod Identifier, DocH mod Identifier)]
-definitionList = do
- label <- "[" *> (parseStringBS <$> takeWhile1 (`notElem` "]\n")) <* "]"
- c <- takeLine
- (cs, items) <- more definitionList
- let contents = parseString . dropNLs . unlines $ c : cs
- return $ case items of
- Left p -> [(label, contents `docAppend` p)]
- Right i -> (label, contents) : i
+definitionList :: Parser (DocH mod Identifier)
+definitionList = DocDefList <$> p
+ where
+ p = do
+ label <- "[" *> (parseStringBS <$> takeWhile1 (`notElem` "]\n")) <* "]"
+ c <- takeLine
+ (cs, items) <- more p
+ let contents = parseString . dropNLs . unlines $ c : cs
+ return $ case items of
+ Left x -> [(label, contents `docAppend` x)]
+ Right i -> (label, contents) : i
-- | Drops all trailing newlines.
dropNLs :: String -> String