author | wenzelm |
Sat, 17 Aug 2019 11:23:20 +0200 | |
changeset 70557 | 5d6e9c65ea67 |
parent 70556 | 038ed9b76c2b |
child 70560 | 7714971a58b5 |
permissions | -rw-r--r-- |
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(* Title: Pure/Thy/thm_deps.ML |
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Author: Stefan Berghofer, TU Muenchen |
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Author: Makarius |
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New function thm_deps for visualizing dependencies of theorems.
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Dependencies of theorems wrt. internal derivation. |
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New function thm_deps for visualizing dependencies of theorems.
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*) |
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New function thm_deps for visualizing dependencies of theorems.
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New function thm_deps for visualizing dependencies of theorems.
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signature THM_DEPS = |
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New function thm_deps for visualizing dependencies of theorems.
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sig |
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val all_oracles: thm list -> Proofterm.oracle list |
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thm_deps/unused_thms: Context.get_theory based on proper theory ancestry, not accidental theory loader state;
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val thm_deps: theory -> thm list -> unit |
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val unused_thms: theory list * theory list -> (string * thm) list |
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New function thm_deps for visualizing dependencies of theorems.
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end; |
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New function thm_deps for visualizing dependencies of theorems.
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structure Thm_Deps: THM_DEPS = |
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New function thm_deps for visualizing dependencies of theorems.
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struct |
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New function thm_deps for visualizing dependencies of theorems.
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(* oracles *) |
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fun all_oracles thms = |
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Proofterm.all_oracles_of (map Thm.proof_body_of thms); |
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(* thm_deps *) |
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thm_deps/unused_thms: Context.get_theory based on proper theory ancestry, not accidental theory loader state;
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fun thm_deps thy thms = |
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let |
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fun make_node name directory = |
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Graph_Display.session_node |
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{name = Long_Name.base_name name, directory = directory, unfold = false, path = ""}; |
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fun add_dep {name = "", ...} = I |
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| add_dep {name = name, body = PBody {thms = thms', ...}, ...} = |
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let |
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standardized split_last/last_elem towards List.last;
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val prefix = #1 (split_last (Long_Name.explode name)); |
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val session = |
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simplified thm_deps -- no need to build a graph datastructure;
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(case prefix of |
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simplified thm_deps -- no need to build a graph datastructure;
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a :: _ => |
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(case try (Context.get_theory {long = false} thy) a of |
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SOME thy => |
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(case Present.theory_qualifier thy of |
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"" => [] |
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| session => [session]) |
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| NONE => []) |
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| _ => ["global"]); |
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val node = make_node name (space_implode "/" (session @ prefix)); |
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val deps = filter_out (fn s => s = "") (map (Proofterm.thm_node_name o #2) thms'); |
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in Symtab.update (name, (node, deps)) end; |
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ensure that deps are defined in entries, to prevent crash of Graph_View.build_graph;
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val entries0 = Proofterm.fold_body_thms add_dep (Thm.proof_bodies_of thms) Symtab.empty; |
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val entries1 = |
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ensure that deps are defined in entries, to prevent crash of Graph_View.build_graph;
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Symtab.fold (fn (_, (_, deps)) => deps |> fold (fn d => fn tab => |
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if Symtab.defined tab d then tab |
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ensure that deps are defined in entries, to prevent crash of Graph_View.build_graph;
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else Symtab.update (d, (make_node d "", [])) tab)) entries0 entries0; |
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clarified Graph_Display.graph etc.: sort_graph determines order from structure (and names);
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in |
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ensure that deps are defined in entries, to prevent crash of Graph_View.build_graph;
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Symtab.fold (fn (name, (node, deps)) => cons ((name, node), deps)) entries1 [] |
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let the system choose Graph_Display.display_graph_old: thm_deps needs tree hierarchy, code_deps needs cycles (!?);
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|> Graph_Display.display_graph_old |
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clarified Graph_Display.graph etc.: sort_graph determines order from structure (and names);
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end; |
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(* unused_thms *) |
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fun unused_thms (base_thys, thys) = |
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let |
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fun add_fact transfer space (name, ths) = |
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renamed structure PureThy to Pure_Thy and moved most content to Global_Theory, to emphasize that this is global-only;
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if exists (fn thy => Global_Theory.defined_fact thy name) base_thys then I |
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else |
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let val {concealed, group, ...} = Name_Space.the_entry space name in |
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fold_rev (fn th => |
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renamed Thm.get_name -> Thm.derivation_name and Thm.put_name -> Thm.name_derivation, to emphasize the true nature of these operations;
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(case Thm.derivation_name th of |
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"" => I |
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| a => cons (a, (transfer th, concealed, group)))) ths |
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end; |
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fun add_facts thy = |
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let |
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val transfer = Global_Theory.transfer_theories thy; |
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val facts = Global_Theory.facts_of thy; |
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in Facts.fold_static (add_fact transfer (Facts.space_of facts)) facts end; |
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unused_thms: show only results from 'theorem(s)' package (via old-style kinds);
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val new_thms = |
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fold add_facts thys [] |
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|> sort_distinct (string_ord o apply2 #1); |
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val used = |
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back to simple fold_body_thms and fulfill_proof/thm_proof (reverting a900d3cd47cc) -- the cycle check is implicit in the future computation of join_proofs;
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Proofterm.fold_body_thms |
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(fn {name = a, ...} => a <> "" ? Symtab.update (a, ())) |
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(map Proofterm.strip_thm (Thm.proof_bodies_of (map (#1 o #2) new_thms))) |
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Symtab.empty; |
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fun is_unused a = not (Symtab.defined used a); |
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(*groups containing at least one used theorem*) |
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val used_groups = fold (fn (a, (_, _, group)) => |
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if is_unused a then I |
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else |
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(case group of |
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NONE => I |
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| SOME grp => Inttab.update (grp, ()))) new_thms Inttab.empty; |
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unused_thms: show only results from 'theorem(s)' package (via old-style kinds);
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val (thms', _) = fold (fn (a, (th, concealed, group)) => fn q as (thms, seen_groups) => |
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if not concealed andalso |
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(* FIXME replace by robust treatment of thm groups *) |
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Thm.legacy_get_kind th = Thm.theoremK andalso is_unused a |
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then |
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(case group of |
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NONE => ((a, th) :: thms, seen_groups) |
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| SOME grp => |
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if Inttab.defined used_groups grp orelse |
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Inttab.defined seen_groups grp then q |
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else ((a, th) :: thms, Inttab.update (grp, ()) seen_groups)) |
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else q) new_thms ([], Inttab.empty); |
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in rev thms' end; |
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end; |