summaryrefslogtreecommitdiff
path: root/compiler/GHC/Parser/PostProcess/Haddock.hs
blob: f232113c2e50a646622c64d0197a30ec615482ea (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
{-# OPTIONS_GHC -Wno-incomplete-record-updates #-}

module GHC.Parser.PostProcess.Haddock where

import GHC.Prelude

import GHC.Hs
import GHC.Types.SrcLoc

import Control.Monad

-- -----------------------------------------------------------------------------
-- Adding documentation to record fields (used in parsing).

addFieldDoc :: LConDeclField a -> Maybe LHsDocString -> LConDeclField a
addFieldDoc (L l fld) doc
  = L l (fld { cd_fld_doc = cd_fld_doc fld `mplus` doc })

addFieldDocs :: [LConDeclField a] -> Maybe LHsDocString -> [LConDeclField a]
addFieldDocs [] _ = []
addFieldDocs (x:xs) doc = addFieldDoc x doc : xs


addConDoc :: LConDecl a -> Maybe LHsDocString -> LConDecl a
addConDoc decl    Nothing = decl
addConDoc (L p c) doc     = L p ( c { con_doc = con_doc c `mplus` doc } )

addConDocs :: [LConDecl a] -> Maybe LHsDocString -> [LConDecl a]
addConDocs [] _ = []
addConDocs [x] doc = [addConDoc x doc]
addConDocs (x:xs) doc = x : addConDocs xs doc

addConDocFirst :: [LConDecl a] -> Maybe LHsDocString -> [LConDecl a]
addConDocFirst [] _ = []
addConDocFirst (x:xs) doc = addConDoc x doc : xs