author  wenzelm 
Tue, 05 Dec 2006 00:30:38 +0100  
changeset 21646  c07b5b0e8492 
parent 20629  8f6cc81ba4a3 
child 21721  908a93216f00 
permissions  rwrr 
1591
7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

1 
(* Title: Pure/display.ML 
7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

2 
ID: $Id$ 
7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

3 
Author: Lawrence C Paulson, Cambridge University Computer Laboratory 
7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

4 
Copyright 1993 University of Cambridge 
7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

5 

19420  6 
Printing of theorems, goals, results etc. 
1591
7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

7 
*) 
7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

8 

11883  9 
signature BASIC_DISPLAY = 
10 
sig 

12081  11 
val goals_limit: int ref 
11883  12 
val show_hyps: bool ref 
13 
val show_tags: bool ref 

14 
val string_of_thm: thm > string 

15 
val print_thm: thm > unit 

16 
val print_thms: thm list > unit 

17 
val prth: thm > thm 

18 
val prthq: thm Seq.seq > thm Seq.seq 

19 
val prths: thm list > thm list 

20 
val string_of_ctyp: ctyp > string 

21 
val print_ctyp: ctyp > unit 

22 
val string_of_cterm: cterm > string 

23 
val print_cterm: cterm > unit 

24 
val print_syntax: theory > unit 

25 
val show_consts: bool ref 

26 
end; 

27 

1591
7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

28 
signature DISPLAY = 
4950  29 
sig 
11883  30 
include BASIC_DISPLAY 
19591  31 
val raw_string_of_sort: sort > string 
32 
val raw_string_of_typ: typ > string 

33 
val raw_string_of_term: term > string 

14876  34 
val pretty_flexpair: Pretty.pp > term * term > Pretty.T 
17447  35 
val pretty_thm_aux: Pretty.pp > bool > bool > term list > thm > Pretty.T 
11883  36 
val pretty_thm: thm > Pretty.T 
37 
val pretty_thms: thm list > Pretty.T 

16437
aa87badf7a3c
removed pretty_theory, pprint_theory (see context.ML or thy_info.ML);
wenzelm
parents:
16364
diff
changeset

38 
val pretty_thm_sg: theory > thm > Pretty.T 
aa87badf7a3c
removed pretty_theory, pprint_theory (see context.ML or thy_info.ML);
wenzelm
parents:
16364
diff
changeset

39 
val pretty_thms_sg: theory > thm list > Pretty.T 
11883  40 
val pretty_ctyp: ctyp > Pretty.T 
41 
val pretty_cterm: cterm > Pretty.T 

20629
8f6cc81ba4a3
pretty_full_theory: suppress internal entities by default;
wenzelm
parents:
20226
diff
changeset

42 
val pretty_full_theory: bool > theory > Pretty.T list 
14876  43 
val pretty_goals_aux: Pretty.pp > string > bool * bool > int > thm > Pretty.T list 
11883  44 
val pretty_goals: int > thm > Pretty.T list 
45 
val print_goals: int > thm > unit 

46 
val current_goals_markers: (string * string * string) ref 

12418  47 
val pretty_current_goals: int > int > thm > Pretty.T list 
48 
val print_current_goals_default: int > int > thm > unit 

49 
val print_current_goals_fn: (int > int > thm > unit) ref 

4950  50 
end; 
1591
7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

51 

4950  52 
structure Display: DISPLAY = 
1591
7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

53 
struct 
7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

54 

19591  55 
(** raw output **) 
56 

57 
val raw_string_of_sort = Sign.string_of_sort ProtoPure.thy; 

58 
val raw_string_of_typ = Sign.string_of_typ ProtoPure.thy; 

59 
val raw_string_of_term = Sign.string_of_term ProtoPure.thy; 

60 

61 

11883  62 

6087  63 
(** print thm **) 
64 

16534  65 
val goals_limit = ref 10; (*max number of goals to print*) 
12831
a2a3896f9c48
reset show_hyps by default (in accordance to existing Isar practice);
wenzelm
parents:
12418
diff
changeset

66 
val show_hyps = ref false; (*false: print metahypotheses as dots*) 
11883  67 
val show_tags = ref false; (*false: suppress tags*) 
6087  68 

14598
7009f59711e3
Replaced quote by Library.quote, since quote now refers to Symbol.quote
berghofe
parents:
14472
diff
changeset

69 
fun pretty_tag (name, args) = Pretty.strs (name :: map Library.quote args); 
6087  70 
val pretty_tags = Pretty.list "[" "]" o map pretty_tag; 
1591
7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

71 

14876  72 
fun pretty_flexpair pp (t, u) = Pretty.block 
73 
[Pretty.term pp t, Pretty.str " =?=", Pretty.brk 1, Pretty.term pp u]; 

13658
c9ad3e64ddcf
Changed handling of flexflex constraints: now stored in separate
berghofe
parents:
12831
diff
changeset

74 

17447  75 
fun pretty_thm_aux pp quote show_hyps' asms raw_th = 
1591
7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

76 
let 
17447  77 
val th = Thm.strip_shyps raw_th; 
16290  78 
val {hyps, tpairs, prop, der = (ora, _), ...} = Thm.rep_thm th; 
6087  79 
val xshyps = Thm.extra_shyps th; 
21646
c07b5b0e8492
thm/prf: separate official name vs. additional tags;
wenzelm
parents:
20629
diff
changeset

80 
val tags = Thm.get_tags th; 
6087  81 

13658
c9ad3e64ddcf
Changed handling of flexflex constraints: now stored in separate
berghofe
parents:
12831
diff
changeset

82 
val q = if quote then Pretty.quote else I; 
14876  83 
val prt_term = q o (Pretty.term pp); 
6279  84 

19300  85 
val hyps' = if ! show_hyps then hyps else subtract (op aconv) asms hyps; 
17475  86 
val ora' = ora andalso (! show_hyps orelse not (! quick_and_dirty)); 
17447  87 
val hlen = length xshyps + length hyps' + length tpairs; 
1591
7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

88 
val hsymbs = 
17475  89 
if hlen = 0 andalso not ora' then [] 
17447  90 
else if ! show_hyps orelse show_hyps' then 
1591
7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

91 
[Pretty.brk 2, Pretty.list "[" "]" 
17447  92 
(map (q o pretty_flexpair pp) tpairs @ map prt_term hyps' @ 
14876  93 
map (Pretty.sort pp) xshyps @ 
17475  94 
(if ora' then [Pretty.str "!"] else []))] 
6889  95 
else [Pretty.brk 2, Pretty.str ("[" ^ implode (replicate hlen ".") ^ 
17475  96 
(if ora' then "!" else "") ^ "]")]; 
6087  97 
val tsymbs = 
98 
if null tags orelse not (! show_tags) then [] 

99 
else [Pretty.brk 1, pretty_tags tags]; 

6279  100 
in Pretty.block (prt_term prop :: (hsymbs @ tsymbs)) end; 
1591
7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

101 

20226  102 
fun pretty_thm th = 
103 
pretty_thm_aux (Sign.pp (Thm.theory_of_thm th)) true false [] th; 

6889  104 

1591
7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

105 
val string_of_thm = Pretty.string_of o pretty_thm; 
7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

106 

6087  107 
fun pretty_thms [th] = pretty_thm th 
108 
 pretty_thms ths = Pretty.block (Pretty.fbreaks (map pretty_thm ths)); 

1591
7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

109 

16437
aa87badf7a3c
removed pretty_theory, pprint_theory (see context.ML or thy_info.ML);
wenzelm
parents:
16364
diff
changeset

110 
val pretty_thm_sg = pretty_thm oo Thm.transfer; 
aa87badf7a3c
removed pretty_theory, pprint_theory (see context.ML or thy_info.ML);
wenzelm
parents:
16364
diff
changeset

111 
val pretty_thms_sg = pretty_thms oo (map o Thm.transfer); 
10010  112 

6087  113 

114 
(* toplevel commands for printing theorems *) 

115 

116 
val print_thm = Pretty.writeln o pretty_thm; 

117 
val print_thms = Pretty.writeln o pretty_thms; 

1591
7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

118 

7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

119 
fun prth th = (print_thm th; th); 
16534  120 
fun prthq thq = (Seq.print (K print_thm) 100000 thq; thq); 
121 
fun prths ths = (prthq (Seq.of_list ths); ths); 

1591
7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

122 

7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

123 

7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

124 
(* other printing commands *) 
7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

125 

4126  126 
fun pretty_ctyp cT = 
16437
aa87badf7a3c
removed pretty_theory, pprint_theory (see context.ML or thy_info.ML);
wenzelm
parents:
16364
diff
changeset

127 
let val {thy, T, ...} = rep_ctyp cT in Sign.pretty_typ thy T end; 
4126  128 

1591
7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

129 
fun string_of_ctyp cT = 
16437
aa87badf7a3c
removed pretty_theory, pprint_theory (see context.ML or thy_info.ML);
wenzelm
parents:
16364
diff
changeset

130 
let val {thy, T, ...} = rep_ctyp cT in Sign.string_of_typ thy T end; 
1591
7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

131 

7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

132 
val print_ctyp = writeln o string_of_ctyp; 
7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

133 

3547  134 
fun pretty_cterm ct = 
16437
aa87badf7a3c
removed pretty_theory, pprint_theory (see context.ML or thy_info.ML);
wenzelm
parents:
16364
diff
changeset

135 
let val {thy, t, ...} = rep_cterm ct in Sign.pretty_term thy t end; 
3547  136 

1591
7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

137 
fun string_of_cterm ct = 
16437
aa87badf7a3c
removed pretty_theory, pprint_theory (see context.ML or thy_info.ML);
wenzelm
parents:
16364
diff
changeset

138 
let val {thy, t, ...} = rep_cterm ct in Sign.string_of_term thy t end; 
1591
7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

139 

7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

140 
val print_cterm = writeln o string_of_cterm; 
7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

141 

7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

142 

4250  143 

144 
(** print theory **) 

1591
7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

145 

16437
aa87badf7a3c
removed pretty_theory, pprint_theory (see context.ML or thy_info.ML);
wenzelm
parents:
16364
diff
changeset

146 
val print_syntax = Syntax.print_syntax o Sign.syn_of; 
4498  147 

148 

11883  149 
(* pretty_full_theory *) 
4250  150 

20629
8f6cc81ba4a3
pretty_full_theory: suppress internal entities by default;
wenzelm
parents:
20226
diff
changeset

151 
fun pretty_full_theory verbose thy = 
4250  152 
let 
16437
aa87badf7a3c
removed pretty_theory, pprint_theory (see context.ML or thy_info.ML);
wenzelm
parents:
16364
diff
changeset

153 
fun prt_cls c = Sign.pretty_sort thy [c]; 
aa87badf7a3c
removed pretty_theory, pprint_theory (see context.ML or thy_info.ML);
wenzelm
parents:
16364
diff
changeset

154 
fun prt_sort S = Sign.pretty_sort thy S; 
19521  155 
fun prt_arity t (c, (_, Ss)) = Sign.pretty_arity thy (t, Ss, [c]); 
16437
aa87badf7a3c
removed pretty_theory, pprint_theory (see context.ML or thy_info.ML);
wenzelm
parents:
16364
diff
changeset

156 
fun prt_typ ty = Pretty.quote (Sign.pretty_typ thy ty); 
19806  157 
val prt_typ_no_tvars = prt_typ o Logic.unvarifyT; 
16437
aa87badf7a3c
removed pretty_theory, pprint_theory (see context.ML or thy_info.ML);
wenzelm
parents:
16364
diff
changeset

158 
fun prt_term t = Pretty.quote (Sign.pretty_term thy t); 
18936  159 
val prt_term_no_vars = prt_term o Logic.unvarify; 
19698  160 
fun prt_const (c, ty) = [Pretty.str c, Pretty.str " ::", Pretty.brk 1, prt_typ_no_tvars ty]; 
161 
val prt_const' = Defs.pretty_const (Sign.pp thy); 

4250  162 

14794  163 
fun pretty_classrel (c, []) = prt_cls c 
164 
 pretty_classrel (c, cs) = Pretty.block 

165 
(prt_cls c :: Pretty.str " <" :: Pretty.brk 1 :: 

166 
Pretty.commas (map prt_cls cs)); 

4250  167 

168 
fun pretty_default S = Pretty.block 

14794  169 
[Pretty.str "default sort:", Pretty.brk 1, prt_sort S]; 
4250  170 

15531  171 
fun pretty_witness NONE = Pretty.str "universal nonemptiness witness: " 
172 
 pretty_witness (SOME (T, S)) = Pretty.block 

14794  173 
[Pretty.str "universal nonemptiness witness:", Pretty.brk 1, 
174 
prt_typ_no_tvars T, Pretty.str " ::", Pretty.brk 1, prt_sort S]; 

175 

14996  176 
val tfrees = map (fn v => TFree (v, [])); 
16364  177 
fun pretty_type syn (t, (Type.LogicalType n, _)) = 
15531  178 
if syn then NONE 
20076  179 
else SOME (prt_typ (Type (t, tfrees (Name.invent_list [] "'a" n)))) 
16364  180 
 pretty_type syn (t, (Type.Abbreviation (vs, U, syn'), _)) = 
15531  181 
if syn <> syn' then NONE 
182 
else SOME (Pretty.block 

14996  183 
[prt_typ (Type (t, tfrees vs)), Pretty.str " =", Pretty.brk 1, prt_typ U]) 
16364  184 
 pretty_type syn (t, (Type.Nonterminal, _)) = 
15531  185 
if not syn then NONE 
186 
else SOME (prt_typ (Type (t, []))); 

4250  187 

19482
9f11af8f7ef9
tuned basic list operators (flat, maps, map_filter);
wenzelm
parents:
19420
diff
changeset

188 
val pretty_arities = maps (fn (t, ars) => map (prt_arity t) ars); 
14223
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14178
diff
changeset

189 

19698  190 
fun pretty_abbrev (c, (ty, t)) = Pretty.block 
191 
(prt_const (c, ty) @ [Pretty.str " ==", Pretty.brk 1, prt_term_no_vars t]); 

192 

193 
fun pretty_axm (a, t) = Pretty.block [Pretty.str (a ^ ":"), Pretty.brk 1, prt_term_no_vars t]; 

19365  194 

19702  195 
fun pretty_finals reds = Pretty.block 
19703  196 
(Pretty.str "final:" :: Pretty.brk 1 :: Pretty.commas (map (prt_const' o fst) reds)); 
19702  197 

19698  198 
fun pretty_reduct (lhs, rhs) = Pretty.block 
19702  199 
([prt_const' lhs, Pretty.str " >", Pretty.brk 2] @ 
200 
Pretty.commas (map prt_const' (sort_wrt #1 rhs))); 

4250  201 

19698  202 
fun pretty_restrict (const, name) = 
203 
Pretty.block ([prt_const' const, Pretty.brk 2, Pretty.str ("(from " ^ quote name ^ ")")]); 

8720  204 

19698  205 
val {axioms, defs, oracles} = Theory.rep_theory thy; 
206 
val {restricts, reducts} = Defs.dest defs; 

18061  207 
val {naming, syn = _, tsig, consts} = Sign.rep_sg thy; 
18936  208 
val {constants, constraints} = Consts.dest consts; 
19698  209 
val extern_const = NameSpace.extern (#1 constants); 
210 
val {classes, default, types, witness, ...} = Type.rep_tsig tsig; 

211 
val (class_space, class_algebra) = classes; 

19642  212 
val {classes, arities} = Sorts.rep_algebra class_algebra; 
14996  213 

20629
8f6cc81ba4a3
pretty_full_theory: suppress internal entities by default;
wenzelm
parents:
20226
diff
changeset

214 
fun prune xs = if verbose then xs else filter_out (can Name.dest_internal o fst) xs; 
8f6cc81ba4a3
pretty_full_theory: suppress internal entities by default;
wenzelm
parents:
20226
diff
changeset

215 
fun prune' xs = if verbose then xs else filter_out (can Name.dest_internal o fst o fst) xs; 
8f6cc81ba4a3
pretty_full_theory: suppress internal entities by default;
wenzelm
parents:
20226
diff
changeset

216 
fun dest_table tab = prune (NameSpace.dest_table tab); 
8f6cc81ba4a3
pretty_full_theory: suppress internal entities by default;
wenzelm
parents:
20226
diff
changeset

217 
fun extern_table tab = prune (NameSpace.extern_table tab); 
8f6cc81ba4a3
pretty_full_theory: suppress internal entities by default;
wenzelm
parents:
20226
diff
changeset

218 

8f6cc81ba4a3
pretty_full_theory: suppress internal entities by default;
wenzelm
parents:
20226
diff
changeset

219 
val clsses = dest_table (class_space, Symtab.make (Graph.dest classes)); 
8f6cc81ba4a3
pretty_full_theory: suppress internal entities by default;
wenzelm
parents:
20226
diff
changeset

220 
val tdecls = dest_table types; 
8f6cc81ba4a3
pretty_full_theory: suppress internal entities by default;
wenzelm
parents:
20226
diff
changeset

221 
val arties = dest_table (Sign.type_space thy, arities); 
8f6cc81ba4a3
pretty_full_theory: suppress internal entities by default;
wenzelm
parents:
20226
diff
changeset

222 
val cnsts = extern_table constants; 
19482
9f11af8f7ef9
tuned basic list operators (flat, maps, map_filter);
wenzelm
parents:
19420
diff
changeset

223 
val log_cnsts = map_filter (fn (c, (ty, NONE)) => SOME (c, ty)  _ => NONE) cnsts; 
9f11af8f7ef9
tuned basic list operators (flat, maps, map_filter);
wenzelm
parents:
19420
diff
changeset

224 
val abbrevs = map_filter (fn (c, (ty, SOME t)) => SOME (c, (ty, t))  _ => NONE) cnsts; 
20629
8f6cc81ba4a3
pretty_full_theory: suppress internal entities by default;
wenzelm
parents:
20226
diff
changeset

225 
val cnstrs = extern_table constraints; 
8f6cc81ba4a3
pretty_full_theory: suppress internal entities by default;
wenzelm
parents:
20226
diff
changeset

226 
val axms = extern_table axioms; 
8f6cc81ba4a3
pretty_full_theory: suppress internal entities by default;
wenzelm
parents:
20226
diff
changeset

227 
val oras = extern_table oracles; 
19698  228 

20629
8f6cc81ba4a3
pretty_full_theory: suppress internal entities by default;
wenzelm
parents:
20226
diff
changeset

229 
val (reds0, (reds1, reds2)) = prune' reducts > map (fn (lhs, rhs) => 
8f6cc81ba4a3
pretty_full_theory: suppress internal entities by default;
wenzelm
parents:
20226
diff
changeset

230 
(apfst extern_const lhs, map (apfst extern_const) (prune rhs))) 
19702  231 
> sort_wrt (#1 o #1) 
232 
> List.partition (null o #2) 

233 
> List.partition (Defs.plain_args o #2 o #1); 

19698  234 
val rests = restricts > map (apfst (apfst extern_const)) > sort_wrt (#1 o #1); 
4250  235 
in 
20629
8f6cc81ba4a3
pretty_full_theory: suppress internal entities by default;
wenzelm
parents:
20226
diff
changeset

236 
[Pretty.strs ("names:" :: Context.names_of thy)] @ 
8f6cc81ba4a3
pretty_full_theory: suppress internal entities by default;
wenzelm
parents:
20226
diff
changeset

237 
(if verbose then 
8f6cc81ba4a3
pretty_full_theory: suppress internal entities by default;
wenzelm
parents:
20226
diff
changeset

238 
[Pretty.strs ("theory data:" :: Context.theory_data_of thy), 
8f6cc81ba4a3
pretty_full_theory: suppress internal entities by default;
wenzelm
parents:
20226
diff
changeset

239 
Pretty.strs ("proof data:" :: Context.proof_data_of thy)] else []) @ 
8f6cc81ba4a3
pretty_full_theory: suppress internal entities by default;
wenzelm
parents:
20226
diff
changeset

240 
[Pretty.strs ["name prefix:", NameSpace.path_of naming], 
16364  241 
Pretty.big_list "classes:" (map pretty_classrel clsses), 
8720  242 
pretty_default default, 
14794  243 
pretty_witness witness, 
19482
9f11af8f7ef9
tuned basic list operators (flat, maps, map_filter);
wenzelm
parents:
19420
diff
changeset

244 
Pretty.big_list "syntactic types:" (map_filter (pretty_type true) tdecls), 
9f11af8f7ef9
tuned basic list operators (flat, maps, map_filter);
wenzelm
parents:
19420
diff
changeset

245 
Pretty.big_list "logical types:" (map_filter (pretty_type false) tdecls), 
16534  246 
Pretty.big_list "type arities:" (pretty_arities arties), 
19698  247 
Pretty.big_list "logical consts:" (map (Pretty.block o prt_const) log_cnsts), 
19365  248 
Pretty.big_list "abbreviations:" (map pretty_abbrev abbrevs), 
19698  249 
Pretty.big_list "constraints:" (map (Pretty.block o prt_const) cnstrs), 
250 
Pretty.big_list "axioms:" (map pretty_axm axms), 

19702  251 
Pretty.strs ("oracles:" :: (map #1 oras)), 
19698  252 
Pretty.big_list "definitions:" 
19702  253 
[pretty_finals reds0, 
254 
Pretty.big_list "nonoverloaded:" (map pretty_reduct reds1), 

255 
Pretty.big_list "overloaded:" (map pretty_reduct reds2), 

256 
Pretty.big_list "pattern restrictions:" (map pretty_restrict rests)]] 

4250  257 
end; 
258 

259 

11883  260 

261 
(** print_goals **) 

262 

263 
(* print_goals etc. *) 

264 

16534  265 
val show_consts = ref false; (*true: show consts with types in proof state output*) 
3851
fe9932a7cd46
print_goals: optional output of const types (set show_consts);
wenzelm
parents:
3811
diff
changeset

266 

1591
7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

267 

11883  268 
(*print thm A1,...,An/B in "goal style"  premises as numbered subgoals*) 
269 

270 
local 

271 

18980  272 
fun ins_entry (x, y) = 
273 
AList.default (op =) (x, []) #> 

274 
AList.map_entry (op =) x (insert (op =) y); 

12081  275 

18980  276 
val add_consts = Term.fold_aterms 
277 
(fn Const (c, T) => ins_entry (T, (c, T)) 

278 
 _ => I); 

11883  279 

18980  280 
val add_vars = Term.fold_aterms 
281 
(fn Free (x, T) => ins_entry (T, (x, ~1)) 

282 
 Var (xi, T) => ins_entry (T, xi) 

283 
 _ => I); 

11883  284 

18980  285 
val add_varsT = Term.fold_atyps 
286 
(fn TFree (x, S) => ins_entry (S, (x, ~1)) 

287 
 TVar (xi, S) => ins_entry (S, xi) 

288 
 _ => I); 

11883  289 

16490  290 
fun sort_idxs vs = map (apsnd (sort (prod_ord string_ord int_ord))) vs; 
12081  291 
fun sort_cnsts cs = map (apsnd (sort_wrt fst)) cs; 
292 

18980  293 
fun consts_of t = sort_cnsts (add_consts t []); 
294 
fun vars_of t = sort_idxs (add_vars t []); 

295 
fun varsT_of t = rev (sort_idxs (Term.fold_types add_varsT t [])); 

12081  296 

297 
in 

11883  298 

14876  299 
fun pretty_goals_aux pp begin_goal (msg, main) maxgoals state = 
12081  300 
let 
301 
fun prt_atoms prt prtT (X, xs) = Pretty.block 

302 
[Pretty.block (Pretty.commas (map prt xs)), Pretty.str " ::", 

303 
Pretty.brk 1, prtT X]; 

11883  304 

14876  305 
fun prt_var (x, ~1) = Pretty.term pp (Syntax.free x) 
306 
 prt_var xi = Pretty.term pp (Syntax.var xi); 

12081  307 

14876  308 
fun prt_varT (x, ~1) = Pretty.typ pp (TFree (x, [])) 
309 
 prt_varT xi = Pretty.typ pp (TVar (xi, [])); 

12081  310 

14876  311 
val prt_consts = prt_atoms (Pretty.term pp o Const) (Pretty.typ pp); 
312 
val prt_vars = prt_atoms prt_var (Pretty.typ pp); 

313 
val prt_varsT = prt_atoms prt_varT (Pretty.sort pp); 

11883  314 

315 

12081  316 
fun pretty_list _ _ [] = [] 
317 
 pretty_list name prt lst = [Pretty.big_list name (map prt lst)]; 

11883  318 

14876  319 
fun pretty_subgoal (n, A) = Pretty.blk (0, 
320 
[Pretty.str (begin_goal ^ " " ^ string_of_int n ^ ". "), Pretty.term pp A]); 

12081  321 
fun pretty_subgoals As = map pretty_subgoal (1 upto length As ~~ As); 
11883  322 

14876  323 
val pretty_ffpairs = pretty_list "flexflex pairs:" (pretty_flexpair pp); 
11883  324 

12081  325 
val pretty_consts = pretty_list "constants:" prt_consts o consts_of; 
326 
val pretty_vars = pretty_list "variables:" prt_vars o vars_of; 

327 
val pretty_varsT = pretty_list "type variables:" prt_varsT o varsT_of; 

11883  328 

329 

16290  330 
val {prop, tpairs, ...} = Thm.rep_thm state; 
13658
c9ad3e64ddcf
Changed handling of flexflex constraints: now stored in separate
berghofe
parents:
12831
diff
changeset

331 
val (As, B) = Logic.strip_horn prop; 
12081  332 
val ngoals = length As; 
11883  333 

12081  334 
fun pretty_gs (types, sorts) = 
14876  335 
(if main then [Pretty.term pp B] else []) @ 
12081  336 
(if ngoals = 0 then [Pretty.str "No subgoals!"] 
337 
else if ngoals > maxgoals then 

15570  338 
pretty_subgoals (Library.take (maxgoals, As)) @ 
12081  339 
(if msg then [Pretty.str ("A total of " ^ string_of_int ngoals ^ " subgoals...")] 
340 
else []) 

341 
else pretty_subgoals As) @ 

342 
pretty_ffpairs tpairs @ 

343 
(if ! show_consts then pretty_consts prop else []) @ 

344 
(if types then pretty_vars prop else []) @ 

345 
(if sorts then pretty_varsT prop else []); 

346 
in 

347 
setmp show_no_free_types true 

14178
14a12da7288e
Makes interactive proof scripting recognize the show_all_types flag.
skalberg
parents:
13658
diff
changeset

348 
(setmp show_types (! show_types orelse ! show_sorts orelse ! show_all_types) 
12081  349 
(setmp show_sorts false pretty_gs)) 
14178
14a12da7288e
Makes interactive proof scripting recognize the show_all_types flag.
skalberg
parents:
13658
diff
changeset

350 
(! show_types orelse ! show_sorts orelse ! show_all_types, ! show_sorts) 
11883  351 
end; 
352 

12081  353 
fun pretty_goals_marker bg n th = 
16437
aa87badf7a3c
removed pretty_theory, pprint_theory (see context.ML or thy_info.ML);
wenzelm
parents:
16364
diff
changeset

354 
pretty_goals_aux (Sign.pp (Thm.theory_of_thm th)) bg (true, true) n th; 
12081  355 

356 
val pretty_goals = pretty_goals_marker ""; 

12418  357 
val print_goals = (Pretty.writeln o Pretty.chunks) oo pretty_goals_marker ""; 
12081  358 

1591
7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

359 
end; 
7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

360 

11883  361 

362 
(* print_current_goals *) 

363 

364 
val current_goals_markers = ref ("", "", ""); 

365 

12418  366 
fun pretty_current_goals n m th = 
11883  367 
let 
368 
val ref (begin_state, end_state, begin_goal) = current_goals_markers; 

369 
val ngoals = nprems_of th; 

370 
in 

12418  371 
(if begin_state = "" then [] else [Pretty.str begin_state]) @ 
372 
[Pretty.str ("Level " ^ string_of_int n ^ 

11883  373 
(if ngoals > 0 then " (" ^ string_of_int ngoals ^ " subgoal" ^ 
374 
(if ngoals <> 1 then "s" else "") ^ ")" 

12418  375 
else ""))] @ 
376 
pretty_goals_marker begin_goal m th @ 

377 
(if end_state = "" then [] else [Pretty.str end_state]) 

11883  378 
end; 
379 

12418  380 
fun print_current_goals_default n m th = 
381 
Pretty.writeln (Pretty.chunks (pretty_current_goals n m th)); 

382 

11883  383 
val print_current_goals_fn = ref print_current_goals_default; 
384 

385 
end; 

386 

387 
structure BasicDisplay: BASIC_DISPLAY = Display; 

388 
open BasicDisplay; 