src/Pure/display.ML
author wenzelm
Mon May 22 11:57:27 2000 +0200 (2000-05-22)
changeset 8908 25f2bdc02123
parent 8720 840c75ab2a7f
child 9500 e21a76142269
permissions -rw-r--r--
show_consts no longer requires show_types;
     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_no_quote: thm -> Pretty.T
    14   val pretty_thm	: thm -> Pretty.T
    15   val pretty_thms	: thm list -> Pretty.T
    16   val string_of_thm	: thm -> string
    17   val pprint_thm	: thm -> pprint_args -> unit
    18   val print_thm		: thm -> unit
    19   val print_thms	: thm list -> unit
    20   val prth		: thm -> thm
    21   val prthq		: thm Seq.seq -> thm Seq.seq
    22   val prths		: thm list -> thm list
    23   val pretty_ctyp	: ctyp -> Pretty.T
    24   val pprint_ctyp	: ctyp -> pprint_args -> unit
    25   val string_of_ctyp	: ctyp -> string
    26   val print_ctyp	: ctyp -> unit
    27   val pretty_cterm	: cterm -> Pretty.T
    28   val pprint_cterm	: cterm -> pprint_args -> unit
    29   val string_of_cterm	: cterm -> string
    30   val print_cterm	: cterm -> unit
    31   val pretty_theory	: theory -> Pretty.T
    32   val pprint_theory	: theory -> pprint_args -> unit
    33   val print_syntax	: theory -> unit
    34   val pretty_full_theory: theory -> Pretty.T list
    35   val pretty_name_space : string * NameSpace.T -> Pretty.T
    36   val show_consts	: bool ref
    37 end;
    38 
    39 structure Display: DISPLAY =
    40 struct
    41 
    42 (** print thm **)
    43 
    44 val show_hyps = ref true;	(*false: print meta-hypotheses as dots*)
    45 val show_tags = ref false;	(*false: suppress tags*)
    46 
    47 local
    48 
    49 fun pretty_tag (name, args) = Pretty.strs (name :: map quote args);
    50 val pretty_tags = Pretty.list "[" "]" o map pretty_tag;
    51 
    52 fun is_oracle (Thm.Oracle _) = true
    53   | is_oracle _ = false;
    54 
    55 fun ex_oracle (Join (der, ders)) = is_oracle der orelse exists ex_oracle ders;
    56 
    57 fun pretty_thm_aux quote th =
    58   let
    59     val {sign, hyps, prop, der, ...} = rep_thm th;
    60     val xshyps = Thm.extra_shyps th;
    61     val (_, tags) = Thm.get_name_tags th;
    62 
    63     val prt_term = (if quote then Pretty.quote else I) o Sign.pretty_term sign;
    64 
    65     val hlen = length xshyps + length hyps;
    66     val ex_ora = ex_oracle der;
    67     val hsymbs =
    68       if hlen = 0 andalso not ex_ora then []
    69       else if ! show_hyps then
    70         [Pretty.brk 2, Pretty.list "[" "]"
    71           (map prt_term hyps @ map (Sign.pretty_sort sign) xshyps @
    72             (if ex_ora then [Pretty.str "!"] else []))]
    73       else [Pretty.brk 2, Pretty.str ("[" ^ implode (replicate hlen ".") ^
    74         (if ex_ora then "!" else "") ^ "]")];
    75     val tsymbs =
    76       if null tags orelse not (! show_tags) then []
    77       else [Pretty.brk 1, pretty_tags tags];
    78   in Pretty.block (prt_term prop :: (hsymbs @ tsymbs)) end;
    79 
    80 in
    81 
    82 val pretty_thm = pretty_thm_aux true;
    83 val pretty_thm_no_quote = pretty_thm_aux false;
    84 
    85 end;
    86 
    87 
    88 val string_of_thm = Pretty.string_of o pretty_thm;
    89 val pprint_thm = Pretty.pprint o pretty_thm;
    90 
    91 fun pretty_thms [th] = pretty_thm th
    92   | pretty_thms ths = Pretty.block (Pretty.fbreaks (map pretty_thm ths));
    93 
    94 
    95 (* top-level commands for printing theorems *)
    96 
    97 val print_thm = Pretty.writeln o pretty_thm;
    98 val print_thms = Pretty.writeln o pretty_thms;
    99 
   100 fun prth th = (print_thm th; th);
   101 
   102 (*Print and return a sequence of theorems, separated by blank lines. *)
   103 fun prthq thseq =
   104   (Seq.print (fn _ => print_thm) 100000 thseq; thseq);
   105 
   106 (*Print and return a list of theorems, separated by blank lines. *)
   107 fun prths ths = (seq (fn th => (print_thm th; writeln "")) ths; ths);
   108 
   109 
   110 (* other printing commands *)
   111 
   112 fun pretty_ctyp cT =
   113   let val {sign, T} = rep_ctyp cT in Sign.pretty_typ sign T end;
   114 
   115 fun pprint_ctyp cT =
   116   let val {sign, T} = rep_ctyp cT in Sign.pprint_typ sign T end;
   117 
   118 fun string_of_ctyp cT =
   119   let val {sign, T} = rep_ctyp cT in Sign.string_of_typ sign T end;
   120 
   121 val print_ctyp = writeln o string_of_ctyp;
   122 
   123 fun pretty_cterm ct =
   124   let val {sign, t, ...} = rep_cterm ct in Sign.pretty_term sign t end;
   125 
   126 fun pprint_cterm ct =
   127   let val {sign, t, ...} = rep_cterm ct in Sign.pprint_term sign t end;
   128 
   129 fun string_of_cterm ct =
   130   let val {sign, t, ...} = rep_cterm ct in Sign.string_of_term sign t end;
   131 
   132 val print_cterm = writeln o string_of_cterm;
   133 
   134 
   135 
   136 (** print theory **)
   137 
   138 val pretty_theory = Sign.pretty_sg o Theory.sign_of;
   139 val pprint_theory = Sign.pprint_sg o Theory.sign_of;
   140 
   141 val print_syntax = Syntax.print_syntax o Theory.syn_of;
   142 
   143 
   144 (* pretty_name_space  *)
   145 
   146 fun pretty_name_space (kind, space) =
   147   let
   148     fun prt_entry (name, accs) = Pretty.block
   149       (Pretty.str (quote name ^ " =") :: Pretty.brk 1 ::
   150         Pretty.commas (map (Pretty.str o quote) accs));
   151   in
   152     Pretty.fbreaks (Pretty.str (kind ^ ":") :: map prt_entry (NameSpace.dest space))
   153     |> Pretty.block
   154   end;
   155 
   156 
   157 
   158 (* print theory *)
   159 
   160 fun pretty_full_theory thy =
   161   let
   162     val sg = Theory.sign_of thy;
   163 
   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     fun prt_term t = Pretty.quote (Sign.pretty_term sg t);
   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 t, Pretty.brk 1, Pretty.str (string_of_int n)];
   182 
   183     fun pretty_log_types ts = Pretty.block
   184       (Pretty.breaks (Pretty.str "logical types:" :: map Pretty.str ts));
   185 
   186     fun pretty_witness None = Pretty.str "universal non-emptiness witness: --"
   187       | pretty_witness (Some (T, S)) = Pretty.block
   188           [Pretty.str "universal non-emptiness witness:", Pretty.brk 1, prt_typ T,
   189             Pretty.brk 1, prt_sort S];
   190 
   191     fun pretty_abbr (t, (vs, rhs)) = Pretty.block
   192       [prt_typ (Type (t, map (fn v => TVar ((v, 0), [])) vs)),
   193         Pretty.str " =", Pretty.brk 1, prt_typ rhs];
   194 
   195     fun pretty_arities (t, ars) = map (prt_arity t) ars;
   196 
   197     fun pretty_const (c, ty) = Pretty.block
   198       [Pretty.str c, Pretty.str " ::", Pretty.brk 1, prt_typ ty];
   199 
   200     fun prt_axm (a, t) = Pretty.block [Pretty.str (a ^ ":"), Pretty.brk 1, prt_term t];
   201 
   202 
   203     val {self = _, tsig, const_tab, syn = _, path, spaces, data} = Sign.rep_sg sg;
   204     val {axioms, oracles, ...} = Theory.rep_theory thy;
   205     val spaces' = Library.sort_wrt fst spaces;
   206     val {classes, classrel, default, tycons = type_tab, log_types, univ_witness, abbrs, arities} =
   207       Type.rep_tsig tsig;
   208     val tycons = Sign.cond_extern_table sg Sign.typeK type_tab;
   209     val consts = Sign.cond_extern_table sg Sign.constK const_tab;
   210     val axms = Sign.cond_extern_table sg Theory.axiomK axioms;
   211     val oras = Sign.cond_extern_table sg Theory.oracleK oracles;
   212   in
   213     [Pretty.strs ("stamps:" :: Sign.stamp_names_of sg),
   214       Pretty.strs ("data:" :: Sign.data_kinds data),
   215       Pretty.strs ["name prefix:", NameSpace.pack path],
   216       Pretty.big_list "name spaces:" (map pretty_name_space spaces'),
   217       pretty_classes classes,
   218       Pretty.big_list "class relation:" (map pretty_classrel (Symtab.dest classrel)),
   219       pretty_default default,
   220       pretty_log_types log_types,
   221       pretty_witness univ_witness,
   222       Pretty.big_list "type constructors:" (map pretty_ty tycons),
   223       Pretty.big_list "type abbreviations:" (map pretty_abbr (Symtab.dest abbrs)),
   224       Pretty.big_list "type arities:" (flat (map pretty_arities (Symtab.dest arities))),
   225       Pretty.big_list "consts:" (map pretty_const consts),
   226       Pretty.big_list "axioms:" (map prt_axm axms),
   227       Pretty.strs ("oracles:" :: (map #1 oras))]
   228   end;
   229 
   230 
   231 (*show consts with types in proof state output?*)
   232 val show_consts = ref false;
   233 
   234 
   235 end;
   236 
   237 open Display;