clarified modules;
authorwenzelm
Sat, 17 Aug 2019 11:13:16 +0200
changeset 70556 038ed9b76c2b
parent 70555 c1fde53e5e82
child 70557 5d6e9c65ea67
clarified modules;
src/Pure/ROOT.ML
src/Pure/Thy/thm_deps.ML
src/Pure/Tools/thm_deps.ML
--- a/src/Pure/ROOT.ML	Sat Aug 17 11:02:09 2019 +0200
+++ b/src/Pure/ROOT.ML	Sat Aug 17 11:13:16 2019 +0200
@@ -309,6 +309,7 @@
 ML_file "PIDE/resources.ML";
 ML_file "Thy/present.ML";
 ML_file "Thy/thy_info.ML";
+ML_file "Thy/thm_deps.ML";
 ML_file "Thy/export_theory.ML";
 ML_file "Thy/sessions.ML";
 ML_file "PIDE/session.ML";
@@ -341,7 +342,6 @@
 ML_file "Tools/print_operation.ML";
 ML_file "Tools/rail.ML";
 ML_file "Tools/rule_insts.ML";
-ML_file "Tools/thm_deps.ML";
 ML_file "Tools/thy_deps.ML";
 ML_file "Tools/class_deps.ML";
 ML_file "Tools/find_theorems.ML";
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/Pure/Thy/thm_deps.ML	Sat Aug 17 11:13:16 2019 +0200
@@ -0,0 +1,105 @@
+(*  Title:      Pure/Thy/thm_deps.ML
+    Author:     Stefan Berghofer, TU Muenchen
+    Author:     Makarius
+
+Dependencies of theorems wrt. internal derivation.
+*)
+
+signature THM_DEPS =
+sig
+  val thm_deps: theory -> thm list -> unit
+  val unused_thms: theory list * theory list -> (string * thm) list
+end;
+
+structure Thm_Deps: THM_DEPS =
+struct
+
+(* thm_deps *)
+
+fun thm_deps thy thms =
+  let
+    fun make_node name directory =
+      Graph_Display.session_node
+       {name = Long_Name.base_name name, directory = directory, unfold = false, path = ""};
+    fun add_dep {name = "", ...} = I
+      | add_dep {name = name, body = PBody {thms = thms', ...}, ...} =
+          let
+            val prefix = #1 (split_last (Long_Name.explode name));
+            val session =
+              (case prefix of
+                a :: _ =>
+                  (case try (Context.get_theory {long = false} thy) a of
+                    SOME thy =>
+                      (case Present.theory_qualifier thy of
+                        "" => []
+                      | session => [session])
+                  | NONE => [])
+              | _ => ["global"]);
+            val node = make_node name (space_implode "/" (session @ prefix));
+            val deps = filter_out (fn s => s = "") (map (Proofterm.thm_node_name o #2) thms');
+          in Symtab.update (name, (node, deps)) end;
+    val entries0 = Proofterm.fold_body_thms add_dep (Thm.proof_bodies_of thms) Symtab.empty;
+    val entries1 =
+      Symtab.fold (fn (_, (_, deps)) => deps |> fold (fn d => fn tab =>
+        if Symtab.defined tab d then tab
+        else Symtab.update (d, (make_node d "", [])) tab)) entries0 entries0;
+  in
+    Symtab.fold (fn (name, (node, deps)) => cons ((name, node), deps)) entries1 []
+    |> Graph_Display.display_graph_old
+  end;
+
+
+(* unused_thms *)
+
+fun unused_thms (base_thys, thys) =
+  let
+    fun add_fact transfer space (name, ths) =
+      if exists (fn thy => Global_Theory.defined_fact thy name) base_thys then I
+      else
+        let val {concealed, group, ...} = Name_Space.the_entry space name in
+          fold_rev (fn th =>
+            (case Thm.derivation_name th of
+              "" => I
+            | a => cons (a, (transfer th, concealed, group)))) ths
+        end;
+    fun add_facts thy =
+      let
+        val transfer = Global_Theory.transfer_theories thy;
+        val facts = Global_Theory.facts_of thy;
+      in Facts.fold_static (add_fact transfer (Facts.space_of facts)) facts end;
+
+    val new_thms =
+      fold add_facts thys []
+      |> sort_distinct (string_ord o apply2 #1);
+
+    val used =
+      Proofterm.fold_body_thms
+        (fn {name = a, ...} => a <> "" ? Symtab.update (a, ()))
+        (map Proofterm.strip_thm (Thm.proof_bodies_of (map (#1 o #2) new_thms)))
+        Symtab.empty;
+
+    fun is_unused a = not (Symtab.defined used a);
+
+    (*groups containing at least one used theorem*)
+    val used_groups = fold (fn (a, (_, _, group)) =>
+      if is_unused a then I
+      else
+        (case group of
+          NONE => I
+        | SOME grp => Inttab.update (grp, ()))) new_thms Inttab.empty;
+
+    val (thms', _) = fold (fn (a, (th, concealed, group)) => fn q as (thms, seen_groups) =>
+      if not concealed andalso
+        (* FIXME replace by robust treatment of thm groups *)
+        Thm.legacy_get_kind th = Thm.theoremK andalso is_unused a
+      then
+        (case group of
+           NONE => ((a, th) :: thms, seen_groups)
+         | SOME grp =>
+             if Inttab.defined used_groups grp orelse
+               Inttab.defined seen_groups grp then q
+             else ((a, th) :: thms, Inttab.update (grp, ()) seen_groups))
+      else q) new_thms ([], Inttab.empty);
+  in rev thms' end;
+
+end;
--- a/src/Pure/Tools/thm_deps.ML	Sat Aug 17 11:02:09 2019 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,104 +0,0 @@
-(*  Title:      Pure/Tools/thm_deps.ML
-    Author:     Stefan Berghofer, TU Muenchen
-
-Visualize dependencies of theorems.
-*)
-
-signature THM_DEPS =
-sig
-  val thm_deps: theory -> thm list -> unit
-  val unused_thms: theory list * theory list -> (string * thm) list
-end;
-
-structure Thm_Deps: THM_DEPS =
-struct
-
-(* thm_deps *)
-
-fun thm_deps thy thms =
-  let
-    fun make_node name directory =
-      Graph_Display.session_node
-       {name = Long_Name.base_name name, directory = directory, unfold = false, path = ""};
-    fun add_dep {name = "", ...} = I
-      | add_dep {name = name, body = PBody {thms = thms', ...}, ...} =
-          let
-            val prefix = #1 (split_last (Long_Name.explode name));
-            val session =
-              (case prefix of
-                a :: _ =>
-                  (case try (Context.get_theory {long = false} thy) a of
-                    SOME thy =>
-                      (case Present.theory_qualifier thy of
-                        "" => []
-                      | session => [session])
-                  | NONE => [])
-              | _ => ["global"]);
-            val node = make_node name (space_implode "/" (session @ prefix));
-            val deps = filter_out (fn s => s = "") (map (Proofterm.thm_node_name o #2) thms');
-          in Symtab.update (name, (node, deps)) end;
-    val entries0 = Proofterm.fold_body_thms add_dep (Thm.proof_bodies_of thms) Symtab.empty;
-    val entries1 =
-      Symtab.fold (fn (_, (_, deps)) => deps |> fold (fn d => fn tab =>
-        if Symtab.defined tab d then tab
-        else Symtab.update (d, (make_node d "", [])) tab)) entries0 entries0;
-  in
-    Symtab.fold (fn (name, (node, deps)) => cons ((name, node), deps)) entries1 []
-    |> Graph_Display.display_graph_old
-  end;
-
-
-(* unused_thms *)
-
-fun unused_thms (base_thys, thys) =
-  let
-    fun add_fact transfer space (name, ths) =
-      if exists (fn thy => Global_Theory.defined_fact thy name) base_thys then I
-      else
-        let val {concealed, group, ...} = Name_Space.the_entry space name in
-          fold_rev (fn th =>
-            (case Thm.derivation_name th of
-              "" => I
-            | a => cons (a, (transfer th, concealed, group)))) ths
-        end;
-    fun add_facts thy =
-      let
-        val transfer = Global_Theory.transfer_theories thy;
-        val facts = Global_Theory.facts_of thy;
-      in Facts.fold_static (add_fact transfer (Facts.space_of facts)) facts end;
-
-    val new_thms =
-      fold add_facts thys []
-      |> sort_distinct (string_ord o apply2 #1);
-
-    val used =
-      Proofterm.fold_body_thms
-        (fn {name = a, ...} => a <> "" ? Symtab.update (a, ()))
-        (map Proofterm.strip_thm (Thm.proof_bodies_of (map (#1 o #2) new_thms)))
-        Symtab.empty;
-
-    fun is_unused a = not (Symtab.defined used a);
-
-    (*groups containing at least one used theorem*)
-    val used_groups = fold (fn (a, (_, _, group)) =>
-      if is_unused a then I
-      else
-        (case group of
-          NONE => I
-        | SOME grp => Inttab.update (grp, ()))) new_thms Inttab.empty;
-
-    val (thms', _) = fold (fn (a, (th, concealed, group)) => fn q as (thms, seen_groups) =>
-      if not concealed andalso
-        (* FIXME replace by robust treatment of thm groups *)
-        Thm.legacy_get_kind th = Thm.theoremK andalso is_unused a
-      then
-        (case group of
-           NONE => ((a, th) :: thms, seen_groups)
-         | SOME grp =>
-             if Inttab.defined used_groups grp orelse
-               Inttab.defined seen_groups grp then q
-             else ((a, th) :: thms, Inttab.update (grp, ()) seen_groups))
-      else q) new_thms ([], Inttab.empty);
-  in rev thms' end;
-
-end;