simplify the Term again

src/GF/Compile/Concrete/Compute.hs

@@ -132,8 +132,6 @@ computeTermOpt rec gr = comput True where
 
          _   -> returnC $ P t' l
 
-     PI t l i -> comp g $ P t l -----
-
      S t v -> do
        t' <- compTable g t
        v' <- comp g v

src/GF/Compile/Concrete/TypeCheck.hs

@@ -131,7 +131,6 @@ inferLType gr g trm = case trm of
                        Just x  -> return x
        _          -> checkError (text "record type expected for:" <+> ppTerm Unqualified 0 t $$
                                  text " instead of the inferred:" <+> ppTerm Unqualified 0 ty')
-   PI t i _ -> inferLType gr g $ P t i
 
    R r -> do
      let (ls,fs) = unzip r

src/GF/Compile/GrammarToGFCC.hs

@@ -436,7 +436,6 @@ term2term fun cgr env@(labels,untyps,typs) tr = case tr of
   R rs    -> R [(mkLab i, (Nothing, t2t t)) | 
                  (i,(l,(_,t))) <- zip [0..] (GM.sortRec (unlock rs))]
   P  t l   -> r2r tr
-  PI t l i -> EInt $ toInteger i
 
   T (TWild _) _ -> error $ (render (text "wild" <+> ppTerm Qualified 0 tr))
   T (TComp  ty) cs  -> t2t $ V ty $ map snd cs ---- should be elim'ed in tc

src/GF/Grammar/Binary.hs

@@ -136,7 +136,6 @@ instance Binary Term where
   put (RecType x)   = putWord8 16 >> put x
   put (R x)         = putWord8 17 >> put x
   put (P x y)       = putWord8 18 >> put (x,y)
-  put (PI x y z)    = putWord8 19 >> put (x,y,z)
   put (ExtR x y)    = putWord8 20 >> put (x,y)
   put (Table x y)   = putWord8 21 >> put (x,y)
   put (T x y)       = putWord8 22 >> put (x,y)
@@ -173,7 +172,6 @@ instance Binary Term where
              16 -> get >>= \x       -> return (RecType x)
              17 -> get >>= \x       -> return (R x)
              18 -> get >>= \(x,y)   -> return (P x y)
-             19 -> get >>= \(x,y,z) -> return (PI x y z)
              20 -> get >>= \(x,y)   -> return (ExtR x y)
              21 -> get >>= \(x,y)   -> return (Table x y)
              22 -> get >>= \(x,y)   -> return (T x y)

src/GF/Grammar/Grammar.hs

@@ -131,7 +131,6 @@ data Term =
  | RecType [Labelling]           -- ^ record type: @{ p : A ; ...}@
  | R [Assign]                    -- ^ record:      @{ p = a ; ...}@
  | P Term Label                  -- ^ projection:  @r.p@
- | PI Term Label Int             -- ^ index-annotated projection
  | ExtR Term Term                -- ^ extension:   @R ** {x : A}@ (both types and terms)
  
  | Table Term Term               -- ^ table type:  @P => A@

src/GF/Grammar/Macros.hs

@@ -484,9 +484,6 @@ composOp co trm =
    P t i ->
      do t' <- co t
         return (P t' i)
-   PI t i j ->
-     do t' <- co t
-        return (PI t' i j)
    ExtR a c -> 
      do a' <- co a
         c' <- co c