src/HOL/Tools/ATP/atp_problem_generate.ML
changeset 74890 11e34ffc65e4
parent 74760 ef9f95d055f6
child 74891 db4b8dd587a5
--- a/src/HOL/Tools/ATP/atp_problem_generate.ML	Fri Nov 12 18:47:07 2021 +0100
+++ b/src/HOL/Tools/ATP/atp_problem_generate.ML	Fri Nov 12 00:10:16 2021 +0100
@@ -153,10 +153,8 @@
   Const_Types of ctr_optim |
   No_Types
 
-type syntax = {with_ite: bool}
-
 datatype type_enc =
-  Native of order * fool * syntax * polymorphism * type_level |
+  Native of order * fool * polymorphism * type_level |
   Guards of polymorphism * type_level |
   Tags of polymorphism * type_level
 
@@ -165,17 +163,20 @@
 
 fun is_type_enc_native (Native _) = true
   | is_type_enc_native _ = false
-fun is_type_enc_full_higher_order (Native (Higher_Order THF_Lambda_Free, _, _, _, _)) = false
-  | is_type_enc_full_higher_order (Native (Higher_Order _, _, _, _, _)) = true
+fun is_type_enc_full_higher_order (Native (Higher_Order THF_Lambda_Free, _, _, _)) = false
+  | is_type_enc_full_higher_order (Native (Higher_Order _, _, _, _)) = true
   | is_type_enc_full_higher_order _ = false
-fun is_type_enc_fool (Native (_, With_FOOL, _, _, _)) = true
+fun is_type_enc_fool (Native (_, With_FOOL _, _, _)) = true
   | is_type_enc_fool _ = false
-fun is_type_enc_higher_order (Native (Higher_Order _, _, _, _, _)) = true
+fun is_type_enc_higher_order (Native (Higher_Order _, _, _, _)) = true
   | is_type_enc_higher_order _ = false
-fun has_type_enc_ite (Native (_, _, {with_ite, ...}, _, _)) = with_ite
+
+fun has_type_enc_ite (Native (_, With_FOOL {with_ite, ...}, _, _)) = with_ite
   | has_type_enc_ite _ = false
+fun has_type_enc_let (Native (_, With_FOOL {with_let, ...}, _, _)) = with_let
+  | has_type_enc_let _ = false
 
-fun polymorphism_of_type_enc (Native (_, _, _, poly, _)) = poly
+fun polymorphism_of_type_enc (Native (_, _, poly, _)) = poly
   | polymorphism_of_type_enc (Guards (poly, _)) = poly
   | polymorphism_of_type_enc (Tags (poly, _)) = poly
 
@@ -188,7 +189,7 @@
 fun is_type_enc_mangling type_enc =
   polymorphism_of_type_enc type_enc = Mangled_Monomorphic
 
-fun level_of_type_enc (Native (_, _, _, _, level)) = level
+fun level_of_type_enc (Native (_, _, _, level)) = level
   | level_of_type_enc (Guards (_, level)) = level
   | level_of_type_enc (Tags (_, level)) = level
 
@@ -391,7 +392,7 @@
   fun default c = const_prefix ^ lookup_const c
 in
   fun make_fixed_const _ \<^const_name>\<open>HOL.eq\<close> = tptp_old_equal
-    | make_fixed_const (SOME (Native (Higher_Order THF_With_Choice, _, _, _, _))) c =
+    | make_fixed_const (SOME (Native (Higher_Order THF_With_Choice, _, _, _))) c =
       if c = choice_const then tptp_choice else default c
     | make_fixed_const _ c = default c
 end
@@ -680,34 +681,50 @@
 
     fun native_of_string s =
       let
+        val (with_let, s) =
+          (case try (unsuffix "_let") s of
+            SOME s => (true, s)
+          | NONE => (false, s))
+        val (with_ite, s) =
+          (case try (unsuffix "_ite") s of
+            SOME s => (true, s)
+          | NONE => (false, s))
+        val syntax = {with_ite = with_ite, with_let = with_let}
         val (fool, core) =
           (case try (unsuffix "_fool") s of
-            SOME s => (With_FOOL, s)
+            SOME s => (With_FOOL syntax, s)
           | NONE => (Without_FOOL, s))
-        val syntax = {with_ite = (fool = With_FOOL)}
+
+        fun validate_syntax (type_enc as Native (_, Without_FOOL, _, _)) =
+            if with_ite orelse with_let then
+              error "\"ite\" and \"let\" options require \"native_fool\" or \"native_higher\"."
+            else
+              type_enc
+          | validate_syntax type_enc = type_enc
       in
         (case (core, poly) of
           ("native", SOME poly) =>
           (case (poly, level) of
             (Mangled_Monomorphic, _) =>
             if is_type_level_uniform level then
-              Native (First_Order, fool, syntax, Mangled_Monomorphic, level)
+              Native (First_Order, fool, Mangled_Monomorphic, level)
             else
               raise Same.SAME
           | (Raw_Monomorphic, _) => raise Same.SAME
-          | (poly, All_Types) => Native (First_Order, fool, syntax, poly, All_Types))
+          | (poly, All_Types) => Native (First_Order, fool, poly, All_Types))
         | ("native_higher", SOME poly) =>
           (case (poly, level) of
             (_, Nonmono_Types _) => raise Same.SAME
           | (_, Undercover_Types) => raise Same.SAME
           | (Mangled_Monomorphic, _) =>
             if is_type_level_uniform level then
-              Native (Higher_Order THF_With_Choice, fool, syntax, Mangled_Monomorphic, level)
+              Native (Higher_Order THF_With_Choice, With_FOOL syntax, Mangled_Monomorphic, level)
             else
               raise Same.SAME
            | (poly as Raw_Polymorphic _, All_Types) =>
-             Native (Higher_Order THF_With_Choice, fool, syntax, poly, All_Types)
+             Native (Higher_Order THF_With_Choice, With_FOOL syntax, poly, All_Types)
            | _ => raise Same.SAME))
+        |> validate_syntax
       end
 
     fun nonnative_of_string core =
@@ -752,28 +769,28 @@
 fun adjust_hologic hologic (Higher_Order hologic') = Higher_Order (min_hologic hologic hologic')
   | adjust_hologic _ type_enc = type_enc
 
-fun adjust_fool Without_FOOL _ = Without_FOOL
-  | adjust_fool _ fool = fool
+fun adjust_syntax {with_ite = ite1, with_let = let1} {with_ite = ite2, with_let = let2} =
+  {with_ite = ite1 andalso ite2, with_let = let1 andalso let2}
+
+fun adjust_fool (With_FOOL syntax) (With_FOOL syntax') = With_FOOL (adjust_syntax syntax syntax')
+  | adjust_fool _ _ = Without_FOOL
 
 fun no_type_classes Type_Class_Polymorphic = Raw_Polymorphic With_Phantom_Type_Vars
   | no_type_classes poly = poly
 
-fun adjust_type_enc (THF (fool, Polymorphic, hologic))
-      (Native (order, fool', syntax, poly, level)) =
-    Native (adjust_hologic hologic order, adjust_fool fool fool', syntax, no_type_classes poly,
-      level)
-  | adjust_type_enc (THF (fool, Monomorphic, hologic)) (Native (order, fool', syntax, _, level)) =
-    Native (adjust_hologic hologic order, adjust_fool fool fool', syntax, Mangled_Monomorphic,
+fun adjust_type_enc (THF (poly, syntax, hologic)) (Native (order, fool, poly', level)) =
+    Native (adjust_hologic hologic order, adjust_fool (With_FOOL syntax) fool,
+      (case poly of Polymorphic => no_type_classes poly' | Monomorphic => Mangled_Monomorphic),
       level)
-  | adjust_type_enc (TFF (fool, Monomorphic)) (Native (_, fool', syntax, _, level)) =
-    Native (First_Order, adjust_fool fool fool', syntax, Mangled_Monomorphic, level)
-  | adjust_type_enc (DFG Polymorphic) (Native (_, _, syntax, poly, level)) =
-    Native (First_Order, Without_FOOL, syntax, poly, level)
-  | adjust_type_enc (DFG Monomorphic) (Native (_, _, syntax, _, level)) =
-    Native (First_Order, Without_FOOL, syntax, Mangled_Monomorphic, level)
-  | adjust_type_enc (TFF (fool, _)) (Native (_, fool', syntax, poly, level)) =
-    Native (First_Order, adjust_fool fool fool', syntax, no_type_classes poly, level)
-  | adjust_type_enc format (Native (_, _, _, poly, level)) =
+  | adjust_type_enc (TFF (poly, fool)) (Native (_, fool', poly', level)) =
+    Native (First_Order, adjust_fool fool fool',
+      (case poly of Polymorphic => no_type_classes poly' | Monomorphic => Mangled_Monomorphic),
+      level)
+  | adjust_type_enc (DFG Polymorphic) (Native (_, _, poly, level)) =
+    Native (First_Order, Without_FOOL, poly, level)
+  | adjust_type_enc (DFG Monomorphic) (Native (_, _, _, level)) =
+    Native (First_Order, Without_FOOL, Mangled_Monomorphic, level)
+  | adjust_type_enc format (Native (_, _, poly, level)) =
     adjust_type_enc format (Guards (no_type_classes poly, level))
   | adjust_type_enc CNF_UEQ (type_enc as Guards stuff) =
     (if is_type_enc_sound type_enc then Tags else Guards) stuff
@@ -949,8 +966,8 @@
       T_args
     else
       (case type_enc of
-        Native (_, _, _, Raw_Polymorphic _, _) => T_args
-      | Native (_, _, _, Type_Class_Polymorphic, _) => T_args
+        Native (_, _, Raw_Polymorphic _, _) => T_args
+      | Native (_, _, Type_Class_Polymorphic, _) => T_args
       | _ =>
         let
           fun gen_type_args _ _ [] = []
@@ -1086,7 +1103,7 @@
     val tm_args =
       tm_args @
       (case type_enc of
-        Native (_, _, _, Raw_Polymorphic Without_Phantom_Type_Vars, _) =>
+        Native (_, _, Raw_Polymorphic Without_Phantom_Type_Vars, _) =>
         [ATerm ((TYPE_name, ty_args), [])]
       | _ => [])
   in AAtom (ATerm ((cl, ty_args), tm_args)) end
@@ -1215,6 +1232,7 @@
   let
     val is_fool = is_type_enc_fool type_enc
     val has_ite = has_type_enc_ite type_enc
+    val has_let = has_type_enc_let type_enc
     fun tweak_ho_quant ho_quant (T as Type (_, [p_T as Type (_, [x_T, _]), _])) [] =
         (* Eta-expand "!!" and "??", to work around LEO-II, Leo-III, and Satallax parser
            limitations. This works in conjunction with special code in "ATP_Problem" that uses the
@@ -1270,7 +1288,7 @@
         let val argc = length args in
           if has_ite andalso s = "c_If" andalso argc >= 3 then
             IConst (`I tptp_ite, T, [])
-          else if is_fool andalso s = "c_Let" andalso argc >= 2 then
+          else if has_let andalso s = "c_Let" andalso argc >= 2 then
             IConst (`I tptp_let, T, [])
           else
             (case proxify_const s of
@@ -1881,10 +1899,10 @@
        |> class_membs_of_types type_enc add_sorts_on_tvar
        |> map (class_atom type_enc)))
     #> (case type_enc of
-         Native (_, _, _, Type_Class_Polymorphic, _) =>
+         Native (_, _, Type_Class_Polymorphic, _) =>
          mk_atyquant AForall (map (fn TVar (z as (_, S)) =>
            (AType ((tvar_name z, []), []), map (`make_class) (normalize_classes S) )) Ts)
-       | Native (_, _, _, Raw_Polymorphic _, _) =>
+       | Native (_, _, Raw_Polymorphic _, _) =>
          mk_atyquant AForall (map (fn TVar (z as _) => (AType ((tvar_name z, []), []), [])) Ts)
        | _ => mk_aquant AForall (map (fn TVar z => (tvar_name z, NONE)) Ts)))
 
@@ -1940,10 +1958,11 @@
     in
       fold (fn ((helper_s, needs_sound), ths) =>
         let
-          fun map_syntax_of_type_enc f (Native (order, fool, syntax, polymorphism, type_level)) =
-            Native (order, fool, f syntax, polymorphism, type_level)
-            | map_syntax_of_type_enc _ type_enc = type_enc
-          val remove_ite_syntax = map_syntax_of_type_enc (K {with_ite = false})
+          fun map_syntax f (Native (order, With_FOOL syntax, polymorphism, type_level)) =
+              Native (order, With_FOOL (f syntax), polymorphism, type_level)
+            | map_syntax _ type_enc = type_enc
+          val remove_ite_syntax = map_syntax
+            (fn {with_let, ...} => {with_ite = false, with_let = with_let})
         in
           if (needs_sound andalso not sound) orelse
              (helper_s <> unmangled_s andalso
@@ -2313,7 +2332,7 @@
 
 fun decl_lines_of_classes type_enc =
   (case type_enc of
-    Native (_, _, _, Raw_Polymorphic phantoms, _) => map (decl_line_of_class phantoms)
+    Native (_, _, Raw_Polymorphic phantoms, _) => map (decl_line_of_class phantoms)
   | _ => K [])
 
 fun sym_decl_table_of_facts thy type_enc sym_tab (conjs, facts, extra_tms) =
@@ -2375,7 +2394,7 @@
        ? (fold (fold add_fact_syms) [conjs, facts]
           #> fold add_iterm_syms extra_tms
           #> (case type_enc of
-                Native (_, _, _, Raw_Polymorphic phantoms, _) =>
+                Native (_, _, Raw_Polymorphic phantoms, _) =>
                 phantoms = Without_Phantom_Type_Vars ? add_TYPE_const ()
               | Native _ => I
               | _ => fold add_undefined_const (var_types ())))
@@ -2815,9 +2834,8 @@
       if lam_trans = keep_lamsN andalso not (is_type_enc_full_higher_order type_enc) then liftingN
       else lam_trans
     val simp_options =
-      let val simp = not (is_type_enc_fool type_enc) in
-        {if_simps = simp, let_simps = simp}
-      end
+      {if_simps = not (has_type_enc_ite type_enc),
+       let_simps = not (has_type_enc_let type_enc)}
     val (classes, conjs, facts, subclass_pairs, tcon_clauses, lifted) =
       translate_formulas simp_options ctxt prem_role format type_enc lam_trans presimp hyp_ts
         concl_t facts