Need aeson>=1.3

Also remove ununsed GF.Compile.PGFtoAbstract

gf.cabal

@@ -80,11 +80,6 @@ Library
                  utf8-string,
                  random,
                  pretty,
-                 aeson,
-                 yaml,
-                 unordered-containers,
-                 scientific,
-                 text,
                  mtl,
                  exceptions
   hs-source-dirs: src/runtime/haskell
@@ -148,7 +143,8 @@ Library
 ---- GF compiler as a library:
 
   build-depends: filepath, directory, time, time-compat,
-                 process, haskeline, parallel>=3
+                 process, haskeline, parallel>=3,
+                 aeson>=1.3, yaml, unordered-containers, scientific, text
 
   hs-source-dirs: src/compiler
   exposed-modules:
@@ -191,7 +187,6 @@ Library
     GF.Compile.Multi
     GF.Compile.Optimize
     GF.Compile.PGFtoHaskell
---  GF.Compile.PGFtoAbstract
     GF.Compile.PGFtoJava
     GF.Haskell
     GF.Compile.ConcreteToHaskell

src/compiler/GF/Compile/PGFtoAbstract.hs

@@ -1,42 +0,0 @@
--- | Extract the abstract syntax from a PGF and convert to it
--- the AST for canonical GF grammars
-module GF.Compile.PGFtoAbstract(abstract2canonical) where
-import qualified Data.Map as M
-import PGF(CId,mkCId,showCId,wildCId,unType,abstractName)
-import PGF.Internal(abstract,cats,funs)
-import GF.Grammar.Canonical
-
-
-abstract2canonical pgf = Abstract (gId (abstractName pgf)) cs fs
-  where
-    abstr = abstract pgf
-    cs = [CatDef (gId c) (convHs' hs) |
-            (c,(hs,_,_)) <- M.toList (cats abstr),
-            c `notElem` predefCat]
-    fs = [FunDef (gId f) (convT ty) | (f,(ty,ar,_,_)) <- M.toList (funs abstr)]
-
-predefCat = map mkCId ["Float","Int","String"]
-
-convHs' = map convH'
-convH' (bt,name,ty) =
-  case unType ty of
-    ([],name,[]) -> gId name -- !!
-
-convT t =
-  case unType t of
-    (hypos,name,[]) -> Type (convHs hypos) (TypeApp (gId name) []) -- !!
-
-convHs = map convH
-
-convH (bt,name,ty) = TypeBinding (gId name) (convT ty)
-
---------------------------------------------------------------------------------
-
-class FromCId i where gId :: CId -> i
-
-instance FromCId FunId where gId = FunId . showCId
-instance FromCId CatId where gId = CatId . showCId
-instance FromCId ModId where gId = ModId . showCId
-
-instance FromCId VarId where
-  gId i = if i==wildCId then Anonymous else VarId (showCId i)