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{
{-# OPTIONS -Wwarn -w #-}
-- The above warning supression flag is a temporary kludge.
-- While working on this module you are encouraged to remove it and fix
-- any warnings in the module. See
-- http://hackage.haskell.org/trac/ghc/wiki/Commentary/CodingStyle#Warnings
-- for details
module Haddock.Interface.Parse (
parseHaddockParagraphs,
parseHaddockString
) where
import Haddock.Interface.Lex
import Haddock.Types (Doc(..))
import Haddock.Doc
import HsSyn
import RdrName
}
%expect 0
%tokentype { Token }
%token '/' { TokSpecial '/' }
'@' { TokSpecial '@' }
'[' { TokDefStart }
']' { TokDefEnd }
DQUO { TokSpecial '\"' }
URL { TokURL $$ }
PIC { TokPic $$ }
ANAME { TokAName $$ }
'/../' { TokEmphasis $$ }
'-' { TokBullet }
'(n)' { TokNumber }
'>..' { TokBirdTrack $$ }
IDENT { TokIdent $$ }
PARA { TokPara }
STRING { TokString $$ }
%monad { Maybe }
%name parseHaddockParagraphs doc
%name parseHaddockString seq
%%
doc :: { Doc RdrName }
: apara PARA doc { docAppend $1 $3 }
| PARA doc { $2 }
| apara { $1 }
| {- empty -} { DocEmpty }
apara :: { Doc RdrName }
: ulpara { DocUnorderedList [$1] }
| olpara { DocOrderedList [$1] }
| defpara { DocDefList [$1] }
| para { $1 }
ulpara :: { Doc RdrName }
: '-' para { $2 }
olpara :: { Doc RdrName }
: '(n)' para { $2 }
defpara :: { (Doc RdrName, Doc RdrName) }
: '[' seq ']' seq { ($2, $4) }
para :: { Doc RdrName }
: seq { docParagraph $1 }
| codepara { DocCodeBlock $1 }
codepara :: { Doc RdrName }
: '>..' codepara { docAppend (DocString $1) $2 }
| '>..' { DocString $1 }
seq :: { Doc RdrName }
: elem seq { docAppend $1 $2 }
| elem { $1 }
elem :: { Doc RdrName }
: elem1 { $1 }
| '@' seq1 '@' { DocMonospaced $2 }
seq1 :: { Doc RdrName }
: PARA seq1 { docAppend (DocString "\n") $2 }
| elem1 seq1 { docAppend $1 $2 }
| elem1 { $1 }
elem1 :: { Doc RdrName }
: STRING { DocString $1 }
| '/../' { DocEmphasis (DocString $1) }
| URL { DocURL $1 }
| PIC { DocPic $1 }
| ANAME { DocAName $1 }
| IDENT { DocIdentifier $1 }
| DQUO strings DQUO { DocModule $2 }
strings :: { String }
: STRING { $1 }
| STRING strings { $1 ++ $2 }
{
happyError :: [Token] -> Maybe a
happyError toks = Nothing
}
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