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|
-- |
-- Module : Haddock.Parser
-- Copyright : (c) Mateusz Kowalczyk 2013,
-- Simon Hengel 2013
-- License : BSD-like
--
-- Maintainer : haddock@projects.haskell.org
-- Stability : experimental
-- Portability : portable
module Haddock.Parser ( parseParas
, parseString
, parseIdent
) where
import qualified Documentation.Haddock.Parser as P
import Documentation.Haddock.Types
import GHC.Driver.Session ( DynFlags )
import GHC.Driver.Config
import GHC.Data.FastString ( fsLit )
import GHC.Parser.Lexer ( initParserState, unP, ParseResult(POk) )
import GHC.Parser ( parseIdentifier )
import GHC.Types.Name.Reader ( RdrName )
import GHC.Types.SrcLoc ( mkRealSrcLoc, unLoc )
import GHC.Data.StringBuffer ( stringToStringBuffer )
parseParas :: DynFlags -> Maybe Package -> String -> MetaDoc mod RdrName
parseParas d p = overDoc (P.overIdentifier (parseIdent d)) . P.parseParas p
parseString :: DynFlags -> String -> DocH mod RdrName
parseString d = P.overIdentifier (parseIdent d) . P.parseString
parseIdent :: DynFlags -> String -> Maybe RdrName
parseIdent dflags str0 =
let buffer = stringToStringBuffer str0
realSrcLc = mkRealSrcLoc (fsLit "<unknown file>") 0 0
pstate = initParserState (initParserOpts dflags) buffer realSrcLc
in case unP parseIdentifier pstate of
POk _ name -> Just (unLoc name)
_ -> Nothing
|
