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(* Title: HOL/Tools/Nunchaku/nunchaku_display.ML
Author: Jasmin Blanchette, VU Amsterdam
Copyright 2015, 2016, 2017
Pretty printing of Isabelle/HOL models for Nunchaku.
*)
signature NUNCHAKU_DISPLAY =
sig
type isa_model = Nunchaku_Reconstruct.isa_model
val pretty_of_isa_model_opt: Proof.context -> isa_model option -> Pretty.T
end;
structure Nunchaku_Display : NUNCHAKU_DISPLAY =
struct
open Nunchaku_Util;
open Nunchaku_Reconstruct;
val indent_size = 2;
val pretty_indent = Pretty.indent indent_size;
fun sorting_str_of_typ (TFree (s, _)) = "a" ^ s
| sorting_str_of_typ (Type (s, Ts)) = "b" ^ s ^ space_implode " " (map sorting_str_of_typ Ts)
| sorting_str_of_typ (TVar _) = "X";
fun sorting_str_of_term (Const (s, T)) = "b" ^ s ^ sorting_str_of_typ T
| sorting_str_of_term (Free (s, _)) = "a" ^ s
| sorting_str_of_term (t $ u) = sorting_str_of_term t ^ " " ^ sorting_str_of_term u
| sorting_str_of_term (Abs (_, T, t)) = "c" ^ sorting_str_of_typ T ^ " " ^ sorting_str_of_term t
| sorting_str_of_term _ = "X";
val basic_defs_sym = @{thms rmember_def[abs_def]};
fun fold_basic_def ctxt =
let val thy = Proof_Context.theory_of ctxt in
Pattern.rewrite_term thy (map (Logic.dest_equals o Thm.prop_of) basic_defs_sym) []
end;
fun pretty_of_isa_model_opt _ NONE =
pretty_indent (Pretty.str "Model unavailable due to internal error")
| pretty_of_isa_model_opt ctxt0 (SOME {type_model, free_model, pat_complete_model,
pat_incomplete_model, skolem_model, auxiliary_model}) =
let
val ctxt = ctxt0 |> Config.put show_question_marks false;
fun pretty_of_typ_entry (T, atoms) =
Pretty.block (Pretty.breaks [Syntax.pretty_typ ctxt T, Pretty.str "=",
Pretty.enum "," "{" "}" (map (Syntax.pretty_term ctxt) atoms)]);
fun pretty_of_term_entry (t, value) =
let
val no_types_ctxt = ctxt |> Config.put show_types false;
val schematic_ctxt = ctxt |> Proof_Context.set_mode Proof_Context.mode_schematic;
val show_types = Config.get ctxt show_types;
val value' =
value
|> perhaps (try (Syntax.check_term schematic_ctxt))
|> perhaps (try (fold_basic_def ctxt));
val T = fastype_of t;
val T' = if T = dummyT then try fastype_of value' |> the_default T else T;
val t' = t |> show_types ? Type.constraint T';
in
Pretty.block (Pretty.breaks
[Syntax.pretty_term ctxt t'
|> (show_types andalso T' <> dummyT) ? (single #> Pretty.enclose "(" ")"),
Pretty.str "=", Syntax.pretty_term no_types_ctxt value'])
end;
fun chunks_of_entries sorting_str_of pretty_of title entries =
if not (null entries) then
(if title = "" then [] else [Pretty.str (title ^ plural_s_for_list entries ^ ":")]) @
map (pretty_indent o pretty_of) (sort_by (sorting_str_of o fst) entries)
else
[];
val chunks =
(if null free_model then
[pretty_indent (Pretty.str "No free variables")]
else
chunks_of_entries sorting_str_of_term pretty_of_term_entry "" free_model) @
chunks_of_entries sorting_str_of_term pretty_of_term_entry "Skolem constant" skolem_model @
chunks_of_entries sorting_str_of_term pretty_of_term_entry
"Potentially underspecified constant" pat_incomplete_model @
chunks_of_entries sorting_str_of_term pretty_of_term_entry "Fully specified constant"
pat_complete_model @
chunks_of_entries sorting_str_of_term pretty_of_term_entry "Auxiliary variable"
auxiliary_model @
chunks_of_entries sorting_str_of_typ pretty_of_typ_entry "Type" type_model;
in
Pretty.chunks chunks
end;
end;
¤ Dauer der Verarbeitung: 0.1 Sekunden
(vorverarbeitet)
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Bemerkung:
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