binary serialization for PGF

src/GF/Compile/Export.hs

@@ -2,8 +2,6 @@ module GF.Compile.Export where
 
 import PGF.CId
 import PGF.Data (PGF(..))
-import PGF.Raw.Print (printTree)
-import PGF.Raw.Convert (fromPGF)
 import GF.Compile.GFCCtoHaskell
 import GF.Compile.GFCCtoProlog
 import GF.Compile.GFCCtoJS
@@ -32,7 +30,6 @@ exportPGF :: Options
           -> [(FilePath,String)] -- ^ List of recommended file names and contents.
 exportPGF opts fmt pgf = 
     case fmt of
-      FmtPGF          -> multi "pgf" printPGF
       FmtPGFPretty    -> multi "txt" prPGFPretty
       FmtJavaScript   -> multi "js"  pgf2js
       FmtHaskell      -> multi "hs"  (grammar2haskell opts name)
@@ -65,7 +62,3 @@ outputConcr :: PGF -> CId
 outputConcr pgf = case cncnames pgf of
                     []     -> error "No concrete syntax."
                     cnc:_  -> cnc
-
-printPGF :: PGF -> String
-printPGF = encodeUTF8 . printTree . fromPGF
-

src/GF/Compile/GrammarToGFCC.hs

@@ -1,5 +1,5 @@
 {-# LANGUAGE PatternGuards #-}
-module GF.Compile.GrammarToGFCC (prGrammar2gfcc,mkCanon2gfcc,addParsers) where
+module GF.Compile.GrammarToGFCC (mkCanon2gfcc,addParsers) where
 
 import GF.Compile.Export
 import GF.Compile.OptimizeGF (unshareModule)
@@ -37,11 +37,6 @@ traceD s t = t
 
 
 -- the main function: generate PGF from GF.
-
-prGrammar2gfcc :: Options -> String -> SourceGrammar -> (String,String)
-prGrammar2gfcc opts cnc gr = (abs,printPGF gc) where
-  (abs,gc) = mkCanon2gfcc opts cnc gr 
-
 mkCanon2gfcc :: Options -> String -> SourceGrammar -> (String,D.PGF)
 mkCanon2gfcc opts cnc gr = 
   (prIdent abs, (canon2gfcc opts pars . reorder abs . canon2canon abs) gr)