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authoraarne <aarne@cs.chalmers.se>2008-05-21 09:26:44 +0000
committeraarne <aarne@cs.chalmers.se>2008-05-21 09:26:44 +0000
commit055c0d0d5a5bb0dc75904fe53df7f2e4f5732a8f (patch)
tree0e63fb68c69c8f6ad0f78893c63420f0a3600e1c /src-3.0/tools/AlphaConvGF.hs
parent915a1de71783ab8446b1af9e72c7ba7dfbc12d3f (diff)
GF/src is now for 2.9, and the new sources are in src-3.0 - keep it this way until the release of GF 3
Diffstat (limited to 'src-3.0/tools/AlphaConvGF.hs')
-rw-r--r--src-3.0/tools/AlphaConvGF.hs43
1 files changed, 43 insertions, 0 deletions
diff --git a/src-3.0/tools/AlphaConvGF.hs b/src-3.0/tools/AlphaConvGF.hs
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index 000000000..0e87bdb7a
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+++ b/src-3.0/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