src/HOL/Tools/Nitpick/nitpick_kodkod.ML
changeset 41875 e3cd0dce9b1a
parent 41803 ef13e3b7cbaf
child 41985 09b75d55008f
--- a/src/HOL/Tools/Nitpick/nitpick_kodkod.ML	Thu Mar 03 10:55:41 2011 +0100
+++ b/src/HOL/Tools/Nitpick/nitpick_kodkod.ML	Thu Mar 03 11:20:48 2011 +0100
@@ -1478,8 +1478,8 @@
                       "malformed Kodkod formula")
   end
 
-fun preconstructed_value_axioms_for_datatype [] _ _ _ = []
-  | preconstructed_value_axioms_for_datatype preconstr_us ofs kk
+fun needed_value_axioms_for_datatype [] _ _ _ = []
+  | needed_value_axioms_for_datatype need_us ofs kk
         ({typ, card, constrs, ...} : datatype_spec) =
     let
       fun aux (u as Construct (FreeRel (_, _, _, s) :: _, T, _, us)) =
@@ -1507,10 +1507,9 @@
                  else
                    accum)
         | aux u =
-          raise NUT ("Nitpick_Kodkod.preconstructed_value_axioms_for_datatype\
-                     \.aux", [u])
+          raise NUT ("Nitpick_Kodkod.needed_value_axioms_for_datatype.aux", [u])
     in
-      case SOME (index_seq 0 card, []) |> fold aux preconstr_us of
+      case SOME (index_seq 0 card, []) |> fold aux need_us of
         SOME (_, fixed) => fixed |> map (atom_equation_for_nut ofs kk)
       | NONE => [KK.False]
     end
@@ -1654,14 +1653,14 @@
                                               nfas dtypes)
   end
 
-fun is_datatype_in_preconstructed_value T (Construct (_, T', _, us)) =
-    T = T' orelse exists (is_datatype_in_preconstructed_value T) us
-  | is_datatype_in_preconstructed_value _ _ = false
+fun is_datatype_in_needed_value T (Construct (_, T', _, us)) =
+    T = T' orelse exists (is_datatype_in_needed_value T) us
+  | is_datatype_in_needed_value _ _ = false
 
 val min_sym_break_card = 7
 
-fun sym_break_axioms_for_datatypes hol_ctxt binarize preconstr_us
-                                   datatype_sym_break kk rel_table nfas dtypes =
+fun sym_break_axioms_for_datatypes hol_ctxt binarize need_us datatype_sym_break
+                                   kk rel_table nfas dtypes =
   if datatype_sym_break = 0 then
     []
   else
@@ -1673,8 +1672,7 @@
                                  o binder_types o snd o #const) constrs)
            |> filter_out
                   (fn {typ, ...} =>
-                      exists (is_datatype_in_preconstructed_value typ)
-                             preconstr_us)
+                      exists (is_datatype_in_needed_value typ) need_us)
            |> (fn dtypes' =>
                   dtypes' |> length dtypes' > datatype_sym_break
                              ? (sort (datatype_ord o swap)
@@ -1779,7 +1777,7 @@
       partition_axioms_for_datatype j0 kk rel_table dtype
     end
 
-fun declarative_axioms_for_datatypes hol_ctxt binarize preconstr_us
+fun declarative_axioms_for_datatypes hol_ctxt binarize need_us
         datatype_sym_break bits ofs kk rel_table dtypes =
   let
     val nfas =
@@ -1788,9 +1786,9 @@
              |> strongly_connected_sub_nfas
   in
     acyclicity_axioms_for_datatypes kk nfas @
-    maps (preconstructed_value_axioms_for_datatype preconstr_us ofs kk) dtypes @
-    sym_break_axioms_for_datatypes hol_ctxt binarize preconstr_us
-        datatype_sym_break kk rel_table nfas dtypes @
+    maps (needed_value_axioms_for_datatype need_us ofs kk) dtypes @
+    sym_break_axioms_for_datatypes hol_ctxt binarize need_us datatype_sym_break
+                                   kk rel_table nfas dtypes @
     maps (other_axioms_for_datatype hol_ctxt binarize bits ofs kk rel_table)
          dtypes
   end