author | wenzelm |
Wed, 10 Jun 1998 11:58:11 +0200 | |
changeset 5023 | c12c438a89db |
parent 4993 | 2055bfbb186c |
child 5245 | a6167c446b0b |
permissions | -rw-r--r-- |
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(* Title: Pure/display.ML |
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ID: $Id$ |
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Author: Lawrence C Paulson, Cambridge University Computer Laboratory |
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Copyright 1993 University of Cambridge |
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Printing of theories, theorems, etc. |
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*) |
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signature DISPLAY = |
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sig |
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val show_hyps : bool ref |
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val pretty_thm : thm -> Pretty.T |
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val string_of_thm : thm -> string |
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val pprint_thm : thm -> pprint_args -> unit |
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val print_thm : thm -> unit |
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val prth : thm -> thm |
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val prthq : thm Seq.seq -> thm Seq.seq |
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val prths : thm list -> thm list |
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val pretty_ctyp : ctyp -> Pretty.T |
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val pprint_ctyp : ctyp -> pprint_args -> unit |
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val string_of_ctyp : ctyp -> string |
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val print_ctyp : ctyp -> unit |
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val pretty_cterm : cterm -> Pretty.T |
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val pprint_cterm : cterm -> pprint_args -> unit |
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val string_of_cterm : cterm -> string |
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val print_cterm : cterm -> unit |
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val pretty_theory : theory -> Pretty.T |
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val pprint_theory : theory -> pprint_args -> unit |
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val print_syntax : theory -> unit |
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val print_theory : theory -> unit |
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val pretty_name_space : string * NameSpace.T -> Pretty.T |
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val show_consts : bool ref |
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val print_goals : int -> thm -> unit |
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end; |
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structure Display: DISPLAY = |
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struct |
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(*If false, hypotheses are printed as dots*) |
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val show_hyps = ref true; |
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fun pretty_thm th = |
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let |
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val {sign, hyps, prop, ...} = rep_thm th; |
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val xshyps = extra_shyps th; |
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val hlen = length xshyps + length hyps; |
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val hsymbs = |
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if hlen = 0 then [] |
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else if ! show_hyps then |
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[Pretty.brk 2, Pretty.list "[" "]" |
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(map (Sign.pretty_term sign) hyps @ |
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map (Sign.pretty_sort sign) xshyps)] |
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else |
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[Pretty.brk 2, Pretty.str ("[" ^ implode (replicate hlen ".") ^ "]")]; |
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in |
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Pretty.block (Sign.pretty_term sign prop :: hsymbs) |
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end; |
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val string_of_thm = Pretty.string_of o pretty_thm; |
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val pprint_thm = Pretty.pprint o Pretty.quote o pretty_thm; |
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(** Top-level commands for printing theorems **) |
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val print_thm = writeln o string_of_thm; |
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fun prth th = (print_thm th; th); |
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(*Print and return a sequence of theorems, separated by blank lines. *) |
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fun prthq thseq = |
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(Seq.print (fn _ => print_thm) 100000 thseq; thseq); |
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(*Print and return a list of theorems, separated by blank lines. *) |
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fun prths ths = (seq (fn th => (print_thm th; writeln "")) ths; ths); |
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(* other printing commands *) |
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fun pretty_ctyp cT = |
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let val {sign, T} = rep_ctyp cT in Sign.pretty_typ sign T end; |
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fun pprint_ctyp cT = |
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let val {sign, T} = rep_ctyp cT in Sign.pprint_typ sign T end; |
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fun string_of_ctyp cT = |
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let val {sign, T} = rep_ctyp cT in Sign.string_of_typ sign T end; |
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val print_ctyp = writeln o string_of_ctyp; |
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fun pretty_cterm ct = |
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let val {sign, t, ...} = rep_cterm ct in Sign.pretty_term sign t end; |
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fun pprint_cterm ct = |
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let val {sign, t, ...} = rep_cterm ct in Sign.pprint_term sign t end; |
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fun string_of_cterm ct = |
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let val {sign, t, ...} = rep_cterm ct in Sign.string_of_term sign t end; |
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val print_cterm = writeln o string_of_cterm; |
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(** print theory **) |
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val pretty_theory = Sign.pretty_sg o sign_of; |
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val pprint_theory = Sign.pprint_sg o sign_of; |
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val print_syntax = Syntax.print_syntax o syn_of; |
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(* pretty_name_space *) |
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fun pretty_name_space (kind, space) = |
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let |
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fun prt_entry (name, accs) = Pretty.block |
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(Pretty.str (quote name ^ " =") :: Pretty.brk 1 :: |
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Pretty.commas (map (Pretty.str o quote) accs)); |
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in |
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Pretty.fbreaks (Pretty.str (kind ^ ":") :: map prt_entry (NameSpace.dest space)) |
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|> Pretty.block |
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end; |
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(* print signature *) |
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fun print_sign sg = |
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let |
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fun prt_cls c = Sign.pretty_sort sg [c]; |
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fun prt_sort S = Sign.pretty_sort sg S; |
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fun prt_arity t (c, Ss) = Sign.pretty_arity sg (t, Ss, [c]); |
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fun prt_typ ty = Pretty.quote (Sign.pretty_typ sg ty); |
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val ext_class = Sign.cond_extern sg Sign.classK; |
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val ext_tycon = Sign.cond_extern sg Sign.typeK; |
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val ext_const = Sign.cond_extern sg Sign.constK; |
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fun pretty_classes cs = Pretty.block |
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(Pretty.breaks (Pretty.str "classes:" :: map prt_cls cs)); |
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fun pretty_classrel (c, cs) = Pretty.block |
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(prt_cls c :: Pretty.str " <" :: Pretty.brk 1 :: |
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Pretty.commas (map prt_cls cs)); |
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fun pretty_default S = Pretty.block |
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[Pretty.str "default:", Pretty.brk 1, prt_sort S]; |
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fun pretty_ty (t, n) = Pretty.block |
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[Pretty.str (ext_tycon t), Pretty.str (" " ^ string_of_int n)]; |
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fun pretty_abbr (t, (vs, rhs)) = Pretty.block |
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[prt_typ (Type (t, map (fn v => TVar ((v, 0), [])) vs)), |
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Pretty.str " =", Pretty.brk 1, prt_typ rhs]; |
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fun pretty_arities (t, ars) = map (prt_arity t) ars; |
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fun pretty_const (c, ty) = Pretty.block |
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[Pretty.str c, Pretty.str " ::", Pretty.brk 1, prt_typ ty]; |
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val {self = _, tsig, const_tab, syn = _, path, spaces, data} = Sign.rep_sg sg; |
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val spaces' = sort_wrt fst spaces; |
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val {classes, classrel, default, tycons, abbrs, arities} = |
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Type.rep_tsig tsig; |
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val consts = sort_wrt fst (map (apfst ext_const) (Symtab.dest const_tab)); |
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in |
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Pretty.writeln (Pretty.strs ("stamps:" :: Sign.stamp_names_of sg)); |
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4256 | 167 |
Pretty.writeln (Pretty.strs ("data:" :: Sign.data_kinds data)); |
4782 | 168 |
Pretty.writeln (Pretty.strs ["name prefix:", NameSpace.pack path]); |
4498 | 169 |
Pretty.writeln (Pretty.big_list "name spaces:" (map pretty_name_space spaces')); |
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Pretty.writeln (pretty_classes classes); |
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Pretty.writeln (Pretty.big_list "class relation:" (map pretty_classrel classrel)); |
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Pretty.writeln (pretty_default default); |
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Pretty.writeln (Pretty.big_list "type constructors:" (map pretty_ty tycons)); |
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Pretty.writeln (Pretty.big_list "type abbreviations:" (map pretty_abbr abbrs)); |
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Pretty.writeln (Pretty.big_list "type arities:" (flat (map pretty_arities arities))); |
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Pretty.writeln (Pretty.big_list "consts:" (map pretty_const consts)) |
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end; |
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180 |
(* print axioms, oracles, theorems *) |
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fun print_thy thy = |
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let |
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val {sign, axioms, oracles, ...} = rep_theory thy; |
185 |
val axioms = Symtab.dest axioms; |
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val oras = map fst (Symtab.dest oracles); |
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fun prt_axm (a, t) = Pretty.block |
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[Pretty.str (Sign.cond_extern sign Theory.axiomK a ^ ":"), Pretty.brk 1, |
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Pretty.quote (Sign.pretty_term sign t)]; |
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191 |
in |
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Pretty.writeln (Pretty.big_list "axioms:" (map prt_axm axioms)); |
4993 | 193 |
Pretty.writeln (Pretty.strs ("oracles:" :: oras)) |
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end; |
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fun print_theory thy = (print_sign (sign_of thy); print_thy thy); |
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(** print_goals **) |
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(*print thm A1,...,An/B in "goal style" -- premises as numbered subgoals*) |
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(*also show consts in case of showing types?*) |
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val show_consts = ref false; |
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local |
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(* utils *) |
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fun ins_entry (x, y) [] = [(x, [y])] |
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| ins_entry (x, y) ((pair as (x', ys')) :: pairs) = |
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if x = x' then (x', y ins ys') :: pairs |
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else pair :: ins_entry (x, y) pairs; |
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fun add_consts (Const (c, T), env) = ins_entry (T, (c, T)) env |
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| add_consts (t $ u, env) = add_consts (u, add_consts (t, env)) |
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| add_consts (Abs (_, _, t), env) = add_consts (t, env) |
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| add_consts (_, env) = env; |
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221 |
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fun add_vars (Free (x, T), env) = ins_entry (T, (x, ~1)) env |
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| add_vars (Var (xi, T), env) = ins_entry (T, xi) env |
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| add_vars (Abs (_, _, t), env) = add_vars (t, env) |
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| add_vars (t $ u, env) = add_vars (u, add_vars (t, env)) |
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| add_vars (_, env) = env; |
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227 |
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fun add_varsT (Type (_, Ts), env) = foldr add_varsT (Ts, env) |
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| add_varsT (TFree (x, S), env) = ins_entry (S, (x, ~1)) env |
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| add_varsT (TVar (xi, S), env) = ins_entry (S, xi) env; |
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|
4440 | 232 |
fun sort_idxs vs = map (apsnd (sort (prod_ord string_ord int_ord))) vs; |
233 |
fun sort_cnsts cs = map (apsnd (sort_wrt fst)) cs; |
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235 |
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(* prepare atoms *) |
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fun consts_of t = sort_cnsts (add_consts (t, [])); |
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fun vars_of t = sort_idxs (add_vars (t, [])); |
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fun varsT_of t = rev (sort_idxs (it_term_types add_varsT (t, []))); |
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241 |
|
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in |
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243 |
|
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fun print_goals maxgoals state = |
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let |
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val {sign, ...} = rep_thm state; |
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val prt_term = Sign.pretty_term sign; |
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val prt_typ = Sign.pretty_typ sign; |
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val prt_sort = Sign.pretty_sort sign; |
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|
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fun prt_atoms prt prtT (X, xs) = Pretty.block |
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[Pretty.block (Pretty.commas (map prt xs)), Pretty.str " ::", |
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Pretty.brk 1, prtT X]; |
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fun prt_var (x, ~1) = prt_term (Syntax.free x) |
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| prt_var xi = prt_term (Syntax.var xi); |
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258 |
|
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fun prt_varT (x, ~1) = prt_typ (TFree (x, [])) |
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| prt_varT xi = prt_typ (TVar (xi, [])); |
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261 |
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val prt_consts = prt_atoms (prt_term o Const) prt_typ; |
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val prt_vars = prt_atoms prt_var prt_typ; |
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val prt_varsT = prt_atoms prt_varT prt_sort; |
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266 |
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fun print_list _ _ [] = () |
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| print_list name prt lst = (writeln ""; |
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Pretty.writeln (Pretty.big_list name (map prt lst))); |
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|
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fun print_subgoals (_, []) = () |
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| print_subgoals (n, A :: As) = (Pretty.writeln (Pretty.blk (0, |
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[Pretty.str (" " ^ string_of_int n ^ ". "), prt_term A])); |
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print_subgoals (n + 1, As)); |
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val print_ffpairs = |
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print_list "Flex-flex pairs:" (prt_term o Logic.mk_flexpair); |
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|
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val print_consts = print_list "Constants:" prt_consts o consts_of; |
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val print_vars = print_list "Variables:" prt_vars o vars_of; |
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val print_varsT = print_list "Type variables:" prt_varsT o varsT_of; |
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282 |
|
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283 |
|
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val {prop, ...} = rep_thm state; |
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val (tpairs, As, B) = Logic.strip_horn prop; |
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val ngoals = length As; |
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287 |
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fun print_gs (types, sorts) = |
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289 |
(Pretty.writeln (prt_term B); |
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290 |
if ngoals = 0 then writeln "No subgoals!" |
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else if ngoals > maxgoals then |
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292 |
(print_subgoals (1, take (maxgoals, As)); |
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293 |
writeln ("A total of " ^ string_of_int ngoals ^ " subgoals...")) |
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294 |
else print_subgoals (1, As); |
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295 |
|
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print_ffpairs tpairs; |
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|
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if types andalso ! show_consts then print_consts prop else (); |
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299 |
if types then print_vars prop else (); |
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if sorts then print_varsT prop else ()); |
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301 |
in |
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302 |
setmp show_no_free_types true |
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303 |
(setmp show_types (! show_types orelse ! show_sorts) |
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304 |
(setmp show_sorts false print_gs)) |
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305 |
(! show_types orelse ! show_sorts, ! show_sorts) |
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306 |
end; |
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end; |
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|
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end; |
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open Display; |