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-rw-r--r--src/tools/AlphaConvGF.hs43
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diff --git a/src/tools/AlphaConvGF.hs b/src/tools/AlphaConvGF.hs
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--- a/src/tools/AlphaConvGF.hs
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-----------------------------------------------------------------------
--- |
--- Maintainer : AR
--- Stability : (stable)
--- Portability : (portable)
---
--- > CVS $Date: 2005/04/16 05:40:50 $
--- > CVS $Author: peb $
--- > CVS $Revision: 1.4 $
---
--- (Description of the module)
------------------------------------------------------------------------------
-
-module Main (main) where
-
-import LexGF
-import Alex
-import System
-
-main :: IO ()
-main = do
- file1:file2:_ <- getArgs
- s <- readFile file1
- ts <- tokens s
- if file1==file2 then print (length ts) else return () -- make sure file1 is in mem
- writeFile file2 [] -- create file2 or remove its old contents
- alphaConv file2 ts (Pn 1 1 1)
-
-alphaConv :: FilePath -> [Token] -> Posn -> IO ()
-alphaConv file (t:ts) p0 = case t of
- PT p (TV s) -> changeId file p0 p s ts
- _ -> putToken file p0 t >>= alphaConv file ts
-alphaConv _ _ = putStrLn "Ready."
-
-putToken :: FilePath -> Posn -> Token -> IO Posn
-putToken file (Pn _ l0 c0) t@(PT (Pn a l c) _) = do
- let s = prToken t
- ns = l - l0
- ls = length s
- replicate ns $ appendFile file '\n'
- replicate (if ns == 0 then c - c0 else c-1) $ putChar ' '
- putStr s
- return $ Pn (a + ls) l (c + ls) ts