summaryrefslogtreecommitdiff
path: root/src/GF/Canon/GetGFC.hs
blob: de476211fa70d0038b0177525d04bd13eddfc240 (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
36
37
----------------------------------------------------------------------
-- |
-- Module      : GetGFC
-- Maintainer  : AR
-- Stability   : (stable)
-- Portability : (portable)
--
-- > CVS $Date: 2005/04/21 16:21:23 $ 
-- > CVS $Author: bringert $
-- > CVS $Revision: 1.7 $
--
-- (Description of the module)
-----------------------------------------------------------------------------

module GF.Canon.GetGFC (getCanonModule, getCanonGrammar) where

import GF.Data.Operations
import GF.Canon.ParGFC
import GF.Canon.GFC
import GF.Canon.MkGFC
import GF.Infra.Modules
import GF.Compile.GetGrammar (err2err) ---
import GF.Infra.UseIO

getCanonModule :: FilePath -> IOE CanonModule
getCanonModule file = do
  gr <- getCanonGrammar file
  case modules gr of
    [m] -> return m
    _ -> ioeErr $ Bad "expected exactly one module in a file"

getCanonGrammar :: FilePath -> IOE CanonGrammar
getCanonGrammar file = do
  s <- ioeIO $ readFileIf file
  -- c <- ioeErr $ err2err $ pCanon $ myLexer s
  c <- ioeErr $ pCanon $ myLexer s
  return $ canon2grammar c