author | wenzelm |
Thu, 27 Jul 2006 13:43:13 +0200 | |
changeset 20235 | 3cbf73ed92f8 |
parent 20211 | c7f907f41f7c |
child 20253 | 636ac45d100f |
permissions | -rw-r--r-- |
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(* Title: Pure/Isar/proof_display.ML |
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ID: $Id$ |
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Author: Makarius |
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Printing of theorems, goals, results etc. |
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*) |
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signature BASIC_PROOF_DISPLAY = |
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sig |
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val print_theorems: theory -> unit |
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val print_theory: theory -> unit |
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end |
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signature PROOF_DISPLAY = |
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sig |
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include BASIC_PROOF_DISPLAY |
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val debug: bool ref |
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val pprint_context: ProofContext.context -> pprint_args -> unit |
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val pprint_typ: theory -> typ -> pprint_args -> unit |
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val pprint_term: theory -> term -> pprint_args -> unit |
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val pprint_ctyp: ctyp -> pprint_args -> unit |
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val pprint_cterm: cterm -> pprint_args -> unit |
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val pprint_thm: thm -> pprint_args -> unit |
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val print_theorems_diff: theory -> theory -> unit |
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val string_of_rule: ProofContext.context -> string -> thm -> string |
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val print_results: bool -> ProofContext.context -> |
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((string * string) * (string * thm list) list) -> unit |
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val present_results: ProofContext.context -> |
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((string * string) * (string * thm list) list) -> unit |
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end |
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structure ProofDisplay: PROOF_DISPLAY = |
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struct |
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(* toplevel pretty printing *) |
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val debug = ref false; |
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fun pprint_context ctxt = Pretty.pprint |
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(if ! debug then |
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Pretty.quote (Pretty.big_list "proof context:" (ProofContext.pretty_context ctxt)) |
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else Pretty.str "<context>"); |
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fun pprint pretty thy = Pretty.pprint o Pretty.quote o pretty (ProofContext.init thy); |
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val pprint_typ = pprint ProofContext.pretty_typ; |
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val pprint_term = pprint ProofContext.pretty_term; |
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fun pprint_ctyp cT = pprint_typ (Thm.theory_of_ctyp cT) (Thm.typ_of cT); |
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fun pprint_cterm ct = pprint_term (Thm.theory_of_cterm ct) (Thm.term_of ct); |
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val pprint_thm = Pretty.pprint o ProofContext.legacy_pretty_thm true; |
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(* theorems and theory *) |
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fun pretty_theorems_diff prev_thms thy = |
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let |
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val ctxt = ProofContext.init thy; |
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val (space, thms) = PureThy.theorems_of thy; |
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val diff_thmss = Symtab.fold (fn fact => |
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if not (Symtab.member Thm.eq_thms prev_thms fact) then cons fact else I) thms []; |
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val thmss = diff_thmss |> map (apfst (NameSpace.extern space)) |> Library.sort_wrt #1; |
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in Pretty.big_list "theorems:" (map (ProofContext.pretty_fact ctxt) thmss) end; |
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fun print_theorems_diff prev_thy thy = |
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Pretty.writeln (pretty_theorems_diff (#2 (PureThy.theorems_of prev_thy)) thy); |
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fun pretty_theorems thy = pretty_theorems_diff Symtab.empty thy; |
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val print_theorems = Pretty.writeln o pretty_theorems; |
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fun print_theory thy = |
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Pretty.writeln (Pretty.chunks (Display.pretty_full_theory thy @ [pretty_theorems thy])); |
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(* refinement rule *) |
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fun pretty_rule ctxt s thm = |
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Pretty.block [Pretty.str (s ^ " attempt to solve goal by exported rule:"), |
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Pretty.fbrk, ProofContext.pretty_thm ctxt thm]; |
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val string_of_rule = Pretty.string_of ooo pretty_rule; |
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(* results *) |
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local |
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fun pretty_facts ctxt = |
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flat o (separate [Pretty.fbrk, Pretty.str "and "]) o |
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map (single o ProofContext.pretty_fact ctxt); |
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fun pretty_results ctxt ((kind, ""), facts) = |
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Pretty.block (Pretty.str kind :: Pretty.brk 1 :: pretty_facts ctxt facts) |
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| pretty_results ctxt ((kind, name), [fact]) = Pretty.blk (1, |
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[Pretty.str (kind ^ " " ^ name ^ ":"), Pretty.fbrk, ProofContext.pretty_fact ctxt fact]) |
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| pretty_results ctxt ((kind, name), facts) = Pretty.blk (1, |
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[Pretty.str (kind ^ " " ^ name ^ ":"), Pretty.fbrk, |
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Pretty.blk (1, Pretty.str "(" :: pretty_facts ctxt facts @ [Pretty.str ")"])]); |
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fun name_results "" res = res |
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| name_results name res = |
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let |
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val n = length (maps snd res); |
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fun name_res (a, ths) i = |
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let |
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val m = length ths; |
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val j = i + m; |
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in |
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if a <> "" then ((a, ths), j) |
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else if m = n then ((name, ths), j) |
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else if m = 1 then |
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((PureThy.string_of_thmref (NameSelection (name, [Single i])), ths), j) |
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else ((PureThy.string_of_thmref (NameSelection (name, [FromTo (i, j - 1)])), ths), j) |
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end; |
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in fst (fold_map name_res res 1) end; |
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in |
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fun print_results true = Pretty.writeln oo pretty_results |
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| print_results false = K (K ()); |
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fun present_results ctxt ((kind, name), res) = |
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if kind = "" orelse kind = PureThy.internalK then () |
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else (print_results true ctxt ((kind, name), res); |
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Context.setmp (SOME (ProofContext.theory_of ctxt)) |
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(Present.results kind) (name_results name res)); |
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end; |
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end; |
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structure BasicProofDisplay: BASIC_PROOF_DISPLAY = ProofDisplay; |
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open BasicProofDisplay; |