language-ocaml-0.1.31: lib/Language/OCaml/Definitions/Parsing/Location.hs

{-# LANGUAGE DeriveGeneric #-}

module Language.OCaml.Definitions.Parsing.Location
  ( Location(..)
  , none
  ) where

import GHC.Generics

import Language.OCaml.Definitions.StdLib.Lexing

data Location = Location
  { locStart :: Position
  , locEnd   :: Position
  , locGhost :: Bool
  }
  deriving (Eq, Generic, Show)

inFile :: String -> Location
inFile name =
  Location
  { locStart = loc
  , locEnd   = loc
  , locGhost = True
  }
  where
    loc = Position
          { posFName = name
          , posLNum = 1
          , posBOL = 0
          , posCNum = -1
          }

none :: Location
none = inFile "__none__"