9 #include "HsVersions.h"
15 import Data.Char (isSpace)
19 | DocAppend (HsDoc id) (HsDoc id)
21 | DocParagraph (HsDoc id)
24 | DocEmphasis (HsDoc id)
25 | DocMonospaced (HsDoc id)
26 | DocUnorderedList [HsDoc id]
27 | DocOrderedList [HsDoc id]
28 | DocDefList [(HsDoc id, HsDoc id)]
29 | DocCodeBlock (HsDoc id)
34 type LHsDoc a = Located (HsDoc a)
36 instance Outputable (HsDoc a) where
37 ppr _ = text "<document comment>"
39 ppr_mbDoc (Just doc) = ppr doc
40 ppr_mbDoc Nothing = empty
42 -- used to make parsing easier; we group the list items later
43 docAppend :: HsDoc id -> HsDoc id -> HsDoc id
44 docAppend (DocUnorderedList ds1) (DocUnorderedList ds2)
45 = DocUnorderedList (ds1++ds2)
46 docAppend (DocUnorderedList ds1) (DocAppend (DocUnorderedList ds2) d)
47 = DocAppend (DocUnorderedList (ds1++ds2)) d
48 docAppend (DocOrderedList ds1) (DocOrderedList ds2)
49 = DocOrderedList (ds1++ds2)
50 docAppend (DocOrderedList ds1) (DocAppend (DocOrderedList ds2) d)
51 = DocAppend (DocOrderedList (ds1++ds2)) d
52 docAppend (DocDefList ds1) (DocDefList ds2)
53 = DocDefList (ds1++ds2)
54 docAppend (DocDefList ds1) (DocAppend (DocDefList ds2) d)
55 = DocAppend (DocDefList (ds1++ds2)) d
56 docAppend DocEmpty d = d
57 docAppend d DocEmpty = d
61 -- again to make parsing easier - we spot a paragraph whose only item
62 -- is a DocMonospaced and make it into a DocCodeBlock
63 docParagraph :: HsDoc id -> HsDoc id
64 docParagraph (DocMonospaced p)
66 docParagraph (DocAppend (DocString s1) (DocMonospaced p))
69 docParagraph (DocAppend (DocString s1)
70 (DocAppend (DocMonospaced p) (DocString s2)))
71 | all isSpace s1 && all isSpace s2
73 docParagraph (DocAppend (DocMonospaced p) (DocString s2))