src/Pure/display.ML
author wenzelm
Thu Jul 08 18:29:07 1999 +0200 (1999-07-08)
changeset 6926 7ffc131909e5
parent 6894 b92c2f0413b8
child 6976 3895ba31db71
permissions -rw-r--r--
added pretty_thm_no_hyps;
     1 (*  Title:      Pure/display.ML
     2     ID:         $Id$
     3     Author:     Lawrence C Paulson, Cambridge University Computer Laboratory
     4     Copyright   1993  University of Cambridge
     5 
     6 Printing of theories, theorems, etc.
     7 *)
     8 
     9 signature DISPLAY =
    10 sig
    11   val show_hyps		: bool ref
    12   val show_tags		: bool ref
    13   val pretty_thm	: thm -> Pretty.T
    14   val pretty_thm_no_quote: thm -> Pretty.T
    15   val pretty_thm_no_hyps: thm -> Pretty.T
    16   val pretty_thms	: thm list -> Pretty.T
    17   val string_of_thm	: thm -> string
    18   val pprint_thm	: thm -> pprint_args -> unit
    19   val print_thm		: thm -> unit
    20   val print_thms	: thm list -> unit
    21   val prth		: thm -> thm
    22   val prthq		: thm Seq.seq -> thm Seq.seq
    23   val prths		: thm list -> thm list
    24   val pretty_ctyp	: ctyp -> Pretty.T
    25   val pprint_ctyp	: ctyp -> pprint_args -> unit
    26   val string_of_ctyp	: ctyp -> string
    27   val print_ctyp	: ctyp -> unit
    28   val pretty_cterm	: cterm -> Pretty.T
    29   val pprint_cterm	: cterm -> pprint_args -> unit
    30   val string_of_cterm	: cterm -> string
    31   val print_cterm	: cterm -> unit
    32   val pretty_theory	: theory -> Pretty.T
    33   val pprint_theory	: theory -> pprint_args -> unit
    34   val print_syntax	: theory -> unit
    35   val print_theory	: theory -> unit
    36   val pretty_name_space : string * NameSpace.T -> Pretty.T
    37   val show_consts	: bool ref
    38 end;
    39 
    40 structure Display: DISPLAY =
    41 struct
    42 
    43 (** print thm **)
    44 
    45 val show_hyps = ref true;	(*false: print meta-hypotheses as dots*)
    46 val show_tags = ref false;	(*false: suppress tags*)
    47 
    48 local
    49 
    50 fun pretty_tag (name, args) = Pretty.strs (name :: args);
    51 val pretty_tags = Pretty.list "[" "]" o map pretty_tag;
    52 
    53 fun is_oracle (Thm.Oracle _) = true
    54   | is_oracle _ = false;
    55 
    56 fun ex_oracle (Join (der, ders)) = is_oracle der orelse exists ex_oracle ders;
    57 
    58 fun pretty_thm_aux quote th =
    59   let
    60     val {sign, hyps, prop, der, ...} = rep_thm th;
    61     val xshyps = Thm.extra_shyps th;
    62     val (_, tags) = Thm.get_name_tags th;
    63 
    64     val prt_term = (if quote then Pretty.quote else I) o Sign.pretty_term sign;
    65 
    66     val hlen = length xshyps + length hyps;
    67     val ex_ora = ex_oracle der;
    68     val hsymbs =
    69       if hlen = 0 andalso not ex_ora then []
    70       else if ! show_hyps then
    71         [Pretty.brk 2, Pretty.list "[" "]"
    72           (map prt_term hyps @ map (Sign.pretty_sort sign) xshyps @
    73             (if ex_ora then [Pretty.str "!"] else []))]
    74       else [Pretty.brk 2, Pretty.str ("[" ^ implode (replicate hlen ".") ^
    75         (if ex_ora then "!" else "") ^ "]")];
    76     val tsymbs =
    77       if null tags orelse not (! show_tags) then []
    78       else [Pretty.brk 1, pretty_tags tags];
    79   in Pretty.block (prt_term prop :: (hsymbs @ tsymbs)) end;
    80 
    81 in
    82 
    83 val pretty_thm = pretty_thm_aux true;
    84 val pretty_thm_no_quote = pretty_thm_aux false;
    85 val pretty_thm_no_hyps = setmp show_hyps false pretty_thm;
    86 
    87 end;
    88 
    89 
    90 val string_of_thm = Pretty.string_of o pretty_thm;
    91 val pprint_thm = Pretty.pprint o pretty_thm;
    92 
    93 fun pretty_thms [th] = pretty_thm th
    94   | pretty_thms ths = Pretty.block (Pretty.fbreaks (map pretty_thm ths));
    95 
    96 
    97 (* top-level commands for printing theorems *)
    98 
    99 val print_thm = Pretty.writeln o pretty_thm;
   100 val print_thms = Pretty.writeln o pretty_thms;
   101 
   102 fun prth th = (print_thm th; th);
   103 
   104 (*Print and return a sequence of theorems, separated by blank lines. *)
   105 fun prthq thseq =
   106   (Seq.print (fn _ => print_thm) 100000 thseq; thseq);
   107 
   108 (*Print and return a list of theorems, separated by blank lines. *)
   109 fun prths ths = (seq (fn th => (print_thm th; writeln "")) ths; ths);
   110 
   111 
   112 (* other printing commands *)
   113 
   114 fun pretty_ctyp cT =
   115   let val {sign, T} = rep_ctyp cT in Sign.pretty_typ sign T end;
   116 
   117 fun pprint_ctyp cT =
   118   let val {sign, T} = rep_ctyp cT in Sign.pprint_typ sign T end;
   119 
   120 fun string_of_ctyp cT =
   121   let val {sign, T} = rep_ctyp cT in Sign.string_of_typ sign T end;
   122 
   123 val print_ctyp = writeln o string_of_ctyp;
   124 
   125 fun pretty_cterm ct =
   126   let val {sign, t, ...} = rep_cterm ct in Sign.pretty_term sign t end;
   127 
   128 fun pprint_cterm ct =
   129   let val {sign, t, ...} = rep_cterm ct in Sign.pprint_term sign t end;
   130 
   131 fun string_of_cterm ct =
   132   let val {sign, t, ...} = rep_cterm ct in Sign.string_of_term sign t end;
   133 
   134 val print_cterm = writeln o string_of_cterm;
   135 
   136 
   137 
   138 (** print theory **)
   139 
   140 val pretty_theory = Sign.pretty_sg o Theory.sign_of;
   141 val pprint_theory = Sign.pprint_sg o Theory.sign_of;
   142 
   143 val print_syntax = Syntax.print_syntax o Theory.syn_of;
   144 
   145 
   146 (* pretty_name_space  *)
   147 
   148 fun pretty_name_space (kind, space) =
   149   let
   150     fun prt_entry (name, accs) = Pretty.block
   151       (Pretty.str (quote name ^ " =") :: Pretty.brk 1 ::
   152         Pretty.commas (map (Pretty.str o quote) accs));
   153   in
   154     Pretty.fbreaks (Pretty.str (kind ^ ":") :: map prt_entry (NameSpace.dest space))
   155     |> Pretty.block
   156   end;
   157 
   158 
   159 
   160 (* print signature *)
   161 
   162 fun print_sign sg =
   163   let
   164     fun prt_cls c = Sign.pretty_sort sg [c];
   165     fun prt_sort S = Sign.pretty_sort sg S;
   166     fun prt_arity t (c, Ss) = Sign.pretty_arity sg (t, Ss, [c]);
   167     fun prt_typ ty = Pretty.quote (Sign.pretty_typ sg ty);
   168 
   169 
   170     fun pretty_classes cs = Pretty.block
   171       (Pretty.breaks (Pretty.str "classes:" :: map prt_cls cs));
   172 
   173     fun pretty_classrel (c, cs) = Pretty.block
   174       (prt_cls c :: Pretty.str " <" :: Pretty.brk 1 ::
   175         Pretty.commas (map prt_cls cs));
   176 
   177     fun pretty_default S = Pretty.block
   178       [Pretty.str "default:", Pretty.brk 1, prt_sort S];
   179 
   180     fun pretty_ty (t, n) = Pretty.block
   181       [Pretty.str (Sign.cond_extern sg Sign.typeK t), Pretty.spc 1, Pretty.str (string_of_int n)];
   182 
   183     fun pretty_abbr (t, (vs, rhs)) = Pretty.block
   184       [prt_typ (Type (t, map (fn v => TVar ((v, 0), [])) vs)),
   185         Pretty.str " =", Pretty.brk 1, prt_typ rhs];
   186 
   187     fun pretty_arities (t, ars) = map (prt_arity t) ars;
   188 
   189     fun pretty_const (c, ty) = Pretty.block
   190       [Pretty.str c, Pretty.str " ::", Pretty.brk 1, prt_typ ty];
   191 
   192     val {self = _, tsig, const_tab, syn = _, path, spaces, data} = Sign.rep_sg sg;
   193     val spaces' = Library.sort_wrt fst spaces;
   194     val {classes, classrel, default, tycons, abbrs, arities} =
   195       Type.rep_tsig tsig;
   196     val consts = Sign.cond_extern_table sg Sign.constK const_tab;
   197   in
   198     Pretty.writeln (Pretty.strs ("stamps:" :: Sign.stamp_names_of sg));
   199     Pretty.writeln (Pretty.strs ("data:" :: Sign.data_kinds data));
   200     Pretty.writeln (Pretty.strs ["name prefix:", NameSpace.pack path]);
   201     Pretty.writeln (Pretty.big_list "name spaces:" (map pretty_name_space spaces'));
   202     Pretty.writeln (pretty_classes classes);
   203     Pretty.writeln (Pretty.big_list "class relation:" (map pretty_classrel classrel));
   204     Pretty.writeln (pretty_default default);
   205     Pretty.writeln (Pretty.big_list "type constructors:" (map pretty_ty tycons));
   206     Pretty.writeln (Pretty.big_list "type abbreviations:" (map pretty_abbr abbrs));
   207     Pretty.writeln (Pretty.big_list "type arities:" (flat (map pretty_arities arities)));
   208     Pretty.writeln (Pretty.big_list "consts:" (map pretty_const consts))
   209   end;
   210 
   211 
   212 (* print axioms, oracles, theorems *)
   213 
   214 fun print_thy thy =
   215   let
   216     val {sign, axioms, oracles, ...} = Theory.rep_theory thy;
   217     fun cond_externs kind = Sign.cond_extern_table sign kind;
   218 
   219     fun prt_axm (a, t) = Pretty.block
   220       [Pretty.str (a ^ ":"), Pretty.brk 1, Pretty.quote (Sign.pretty_term sign t)];
   221   in
   222     Pretty.writeln (Pretty.big_list "axioms:" (map prt_axm (cond_externs Theory.axiomK axioms)));
   223     Pretty.writeln (Pretty.strs ("oracles:" :: (map #1 (cond_externs Theory.oracleK oracles))))
   224   end;
   225 
   226 fun print_theory thy = (print_sign (Theory.sign_of thy); print_thy thy);
   227 
   228 (*also show consts in case of showing types?*)
   229 val show_consts = ref false;
   230 
   231 
   232 end;
   233 
   234 open Display;