author  wenzelm 
Sat, 08 Apr 2006 22:51:19 +0200  
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parent 19300  7689f81f8996 
child 19420  bd5c0adec2b1 
permissions  rwrr 
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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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11883  9 
signature BASIC_DISPLAY = 
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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 

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val string_of_ctyp: ctyp > string 

21 
val print_ctyp: ctyp > unit 

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val string_of_cterm: cterm > string 

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val print_cterm: cterm > unit 

24 
val print_syntax: theory > unit 

25 
val show_consts: bool ref 

26 
end; 

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signature DISPLAY = 
4950  29 
sig 
11883  30 
include BASIC_DISPLAY 
14876  31 
val pretty_flexpair: Pretty.pp > term * term > Pretty.T 
17447  32 
val pretty_thm_aux: Pretty.pp > bool > bool > term list > thm > Pretty.T 
6976  33 
val pretty_thm_no_quote: thm > Pretty.T 
11883  34 
val pretty_thm: thm > Pretty.T 
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val pretty_thms: thm list > Pretty.T 

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val pretty_thm_sg: theory > thm > Pretty.T 
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val pretty_thms_sg: theory > thm list > Pretty.T 
11883  38 
val pprint_thm: thm > pprint_args > unit 
39 
val pretty_ctyp: ctyp > Pretty.T 

40 
val pprint_ctyp: ctyp > pprint_args > unit 

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val pretty_cterm: cterm > Pretty.T 

42 
val pprint_cterm: cterm > pprint_args > unit 

8720  43 
val pretty_full_theory: theory > Pretty.T list 
14876  44 
val pretty_goals_aux: Pretty.pp > string > bool * bool > int > thm > Pretty.T list 
11883  45 
val pretty_goals: int > thm > Pretty.T list 
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val print_goals: int > thm > unit 

47 
val current_goals_markers: (string * string * string) ref 

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

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

4950  51 
end; 
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4950  53 
structure Display: DISPLAY = 
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struct 
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11883  56 

6087  57 
(** print thm **) 
58 

16534  59 
val goals_limit = ref 10; (*max number of goals to print*) 
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val show_hyps = ref false; (*false: print metahypotheses as dots*) 
11883  61 
val show_tags = ref false; (*false: suppress tags*) 
6087  62 

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fun pretty_tag (name, args) = Pretty.strs (name :: map Library.quote args); 
6087  64 
val pretty_tags = Pretty.list "[" "]" o map pretty_tag; 
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14876  66 
fun pretty_flexpair pp (t, u) = Pretty.block 
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[Pretty.term pp t, Pretty.str " =?=", Pretty.brk 1, Pretty.term pp u]; 

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fun pretty_thm_aux pp quote show_hyps' asms raw_th = 
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let 
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val th = Thm.strip_shyps raw_th; 
16290  72 
val {hyps, tpairs, prop, der = (ora, _), ...} = Thm.rep_thm th; 
6087  73 
val xshyps = Thm.extra_shyps th; 
74 
val (_, tags) = Thm.get_name_tags th; 

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val q = if quote then Pretty.quote else I; 
14876  77 
val prt_term = q o (Pretty.term pp); 
6279  78 

19300  79 
val hyps' = if ! show_hyps then hyps else subtract (op aconv) asms hyps; 
17475  80 
val ora' = ora andalso (! show_hyps orelse not (! quick_and_dirty)); 
17447  81 
val hlen = length xshyps + length hyps' + length tpairs; 
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val hsymbs = 
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if hlen = 0 andalso not ora' then [] 
17447  84 
else if ! show_hyps orelse show_hyps' then 
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[Pretty.brk 2, Pretty.list "[" "]" 
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(map (q o pretty_flexpair pp) tpairs @ map prt_term hyps' @ 
14876  87 
map (Pretty.sort pp) xshyps @ 
17475  88 
(if ora' then [Pretty.str "!"] else []))] 
6889  89 
else [Pretty.brk 2, Pretty.str ("[" ^ implode (replicate hlen ".") ^ 
17475  90 
(if ora' then "!" else "") ^ "]")]; 
6087  91 
val tsymbs = 
92 
if null tags orelse not (! show_tags) then [] 

93 
else [Pretty.brk 1, pretty_tags tags]; 

6279  94 
in Pretty.block (prt_term prop :: (hsymbs @ tsymbs)) end; 
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12067  96 
fun gen_pretty_thm quote th = 
17447  97 
pretty_thm_aux (Sign.pp (Thm.theory_of_thm th)) quote false [] th; 
6889  98 

12067  99 
val pretty_thm = gen_pretty_thm true; 
100 
val pretty_thm_no_quote = gen_pretty_thm false; 

6889  101 

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val string_of_thm = Pretty.string_of o pretty_thm; 
6279  104 
val pprint_thm = Pretty.pprint o pretty_thm; 
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6087  106 
fun pretty_thms [th] = pretty_thm th 
107 
 pretty_thms ths = Pretty.block (Pretty.fbreaks (map pretty_thm ths)); 

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

6087  112 

113 
(* toplevel commands for printing theorems *) 

114 

115 
val print_thm = Pretty.writeln o pretty_thm; 

116 
val print_thms = Pretty.writeln o pretty_thms; 

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

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(* other printing commands *) 
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4126  125 
fun pretty_ctyp cT = 
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let val {thy, T, ...} = rep_ctyp cT in Sign.pretty_typ thy T end; 
4126  127 

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fun pprint_ctyp cT = 
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let val {thy, T, ...} = rep_ctyp cT in Sign.pprint_typ thy T end; 
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fun string_of_ctyp cT = 
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let val {thy, T, ...} = rep_ctyp cT in Sign.string_of_typ thy T end; 
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val print_ctyp = writeln o string_of_ctyp; 
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3547  136 
fun pretty_cterm ct = 
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let val {thy, t, ...} = rep_cterm ct in Sign.pretty_term thy t end; 
3547  138 

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fun pprint_cterm ct = 
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let val {thy, t, ...} = rep_cterm ct in Sign.pprint_term thy t end; 
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fun string_of_cterm ct = 
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let val {thy, t, ...} = rep_cterm ct in Sign.string_of_term thy t end; 
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val print_cterm = writeln o string_of_cterm; 
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4250  148 

149 
(** print theory **) 

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val print_syntax = Syntax.print_syntax o Sign.syn_of; 
4498  152 

153 

11883  154 
(* pretty_full_theory *) 
4250  155 

8720  156 
fun pretty_full_theory thy = 
4250  157 
let 
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fun prt_cls c = Sign.pretty_sort thy [c]; 
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fun prt_sort S = Sign.pretty_sort thy S; 
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fun prt_arity t (c, Ss) = Sign.pretty_arity thy (t, Ss, [c]); 
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fun prt_typ ty = Pretty.quote (Sign.pretty_typ thy ty); 
16290  162 
val prt_typ_no_tvars = prt_typ o Type.freeze_type; 
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fun prt_term t = Pretty.quote (Sign.pretty_term thy t); 
18936  164 
val prt_term_no_vars = prt_term o Logic.unvarify; 
4250  165 

14794  166 
fun pretty_classrel (c, []) = prt_cls c 
167 
 pretty_classrel (c, cs) = Pretty.block 

168 
(prt_cls c :: Pretty.str " <" :: Pretty.brk 1 :: 

169 
Pretty.commas (map prt_cls cs)); 

4250  170 

171 
fun pretty_default S = Pretty.block 

14794  172 
[Pretty.str "default sort:", Pretty.brk 1, prt_sort S]; 
4250  173 

15531  174 
fun pretty_witness NONE = Pretty.str "universal nonemptiness witness: " 
175 
 pretty_witness (SOME (T, S)) = Pretty.block 

14794  176 
[Pretty.str "universal nonemptiness witness:", Pretty.brk 1, 
177 
prt_typ_no_tvars T, Pretty.str " ::", Pretty.brk 1, prt_sort S]; 

178 

14996  179 
val tfrees = map (fn v => TFree (v, [])); 
16364  180 
fun pretty_type syn (t, (Type.LogicalType n, _)) = 
15531  181 
if syn then NONE 
182 
else SOME (prt_typ (Type (t, tfrees (Term.invent_names [] "'a" n)))) 

16364  183 
 pretty_type syn (t, (Type.Abbreviation (vs, U, syn'), _)) = 
15531  184 
if syn <> syn' then NONE 
185 
else SOME (Pretty.block 

14996  186 
[prt_typ (Type (t, tfrees vs)), Pretty.str " =", Pretty.brk 1, prt_typ U]) 
16364  187 
 pretty_type syn (t, (Type.Nonterminal, _)) = 
15531  188 
if not syn then NONE 
189 
else SOME (prt_typ (Type (t, []))); 

4250  190 

15570  191 
val pretty_arities = List.concat o map (fn (t, ars) => map (prt_arity t) ars); 
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19365  193 
fun pretty_const (c, ty) = Pretty.block 
194 
[Pretty.str c, Pretty.str " ::", Pretty.brk 1, prt_typ_no_tvars ty]; 

195 

196 
fun pretty_abbrev (c, (ty, t)) = Pretty.block 

197 
[Pretty.str c, Pretty.str " ::", Pretty.brk 1, prt_typ_no_tvars ty, 

198 
Pretty.str " ==", Pretty.brk 1, prt_term_no_vars t]; 

4250  199 

18936  200 
fun prt_axm (a, t) = Pretty.block [Pretty.str (a ^ ":"), Pretty.brk 1, prt_term_no_vars t]; 
8720  201 

17704  202 
val {axioms, defs = _, oracles} = Theory.rep_theory thy; 
18061  203 
val {naming, syn = _, tsig, consts} = Sign.rep_sg thy; 
18936  204 
val {constants, constraints} = Consts.dest consts; 
14794  205 
val {classes, default, types, arities, log_types = _, witness} = Type.rep_tsig tsig; 
14996  206 

16845  207 
val clsses = NameSpace.dest_table (apsnd (Symtab.make o Graph.dest) classes); 
208 
val tdecls = NameSpace.dest_table types; 

209 
val arties = NameSpace.dest_table (Sign.type_space thy, arities); 

18936  210 
val cnsts = NameSpace.extern_table constants; 
19365  211 
val log_cnsts = List.mapPartial (fn (c, (ty, NONE)) => SOME (c, ty)  _ => NONE) cnsts; 
212 
val abbrevs = List.mapPartial (fn (c, (ty, SOME t)) => SOME (c, (ty, t))  _ => NONE) cnsts; 

213 
val cnstrs = NameSpace.extern_table constraints; 

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val axms = NameSpace.extern_table axioms; 
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val oras = NameSpace.extern_table oracles; 
4250  216 
in 
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[Pretty.strs ("names:" :: Context.names_of thy), 
16534  218 
Pretty.strs ("theory data:" :: Context.theory_data_of thy), 
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Pretty.strs ("proof data:" :: Context.proof_data_of thy), 

16127  220 
Pretty.strs ["name prefix:", NameSpace.path_of naming], 
16364  221 
Pretty.big_list "classes:" (map pretty_classrel clsses), 
8720  222 
pretty_default default, 
14794  223 
pretty_witness witness, 
15570  224 
Pretty.big_list "syntactic types:" (List.mapPartial (pretty_type true) tdecls), 
225 
Pretty.big_list "logical types:" (List.mapPartial (pretty_type false) tdecls), 

16534  226 
Pretty.big_list "type arities:" (pretty_arities arties), 
19365  227 
Pretty.big_list "logical consts:" (map pretty_const log_cnsts), 
228 
Pretty.big_list "abbreviations:" (map pretty_abbrev abbrevs), 

229 
Pretty.big_list "constraints:" (map pretty_const cnstrs), 

8720  230 
Pretty.big_list "axioms:" (map prt_axm axms), 
231 
Pretty.strs ("oracles:" :: (map #1 oras))] 

4250  232 
end; 
233 

234 

11883  235 

236 
(** print_goals **) 

237 

238 
(* print_goals etc. *) 

239 

16534  240 
val show_consts = ref false; (*true: show consts with types in proof state output*) 
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11883  243 
(*print thm A1,...,An/B in "goal style"  premises as numbered subgoals*) 
244 

245 
local 

246 

18980  247 
fun ins_entry (x, y) = 
248 
AList.default (op =) (x, []) #> 

249 
AList.map_entry (op =) x (insert (op =) y); 

12081  250 

18980  251 
val add_consts = Term.fold_aterms 
252 
(fn Const (c, T) => ins_entry (T, (c, T)) 

253 
 _ => I); 

11883  254 

18980  255 
val add_vars = Term.fold_aterms 
256 
(fn Free (x, T) => ins_entry (T, (x, ~1)) 

257 
 Var (xi, T) => ins_entry (T, xi) 

258 
 _ => I); 

11883  259 

18980  260 
val add_varsT = Term.fold_atyps 
261 
(fn TFree (x, S) => ins_entry (S, (x, ~1)) 

262 
 TVar (xi, S) => ins_entry (S, xi) 

263 
 _ => I); 

11883  264 

16490  265 
fun sort_idxs vs = map (apsnd (sort (prod_ord string_ord int_ord))) vs; 
12081  266 
fun sort_cnsts cs = map (apsnd (sort_wrt fst)) cs; 
267 

18980  268 
fun consts_of t = sort_cnsts (add_consts t []); 
269 
fun vars_of t = sort_idxs (add_vars t []); 

270 
fun varsT_of t = rev (sort_idxs (Term.fold_types add_varsT t [])); 

12081  271 

272 
in 

11883  273 

14876  274 
fun pretty_goals_aux pp begin_goal (msg, main) maxgoals state = 
12081  275 
let 
276 
fun prt_atoms prt prtT (X, xs) = Pretty.block 

277 
[Pretty.block (Pretty.commas (map prt xs)), Pretty.str " ::", 

278 
Pretty.brk 1, prtT X]; 

11883  279 

14876  280 
fun prt_var (x, ~1) = Pretty.term pp (Syntax.free x) 
281 
 prt_var xi = Pretty.term pp (Syntax.var xi); 

12081  282 

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fun prt_varT (x, ~1) = Pretty.typ pp (TFree (x, [])) 
284 
 prt_varT xi = Pretty.typ pp (TVar (xi, [])); 

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14876  286 
val prt_consts = prt_atoms (Pretty.term pp o Const) (Pretty.typ pp); 
287 
val prt_vars = prt_atoms prt_var (Pretty.typ pp); 

288 
val prt_varsT = prt_atoms prt_varT (Pretty.sort pp); 

11883  289 

290 

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fun pretty_list _ _ [] = [] 
292 
 pretty_list name prt lst = [Pretty.big_list name (map prt lst)]; 

11883  293 

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fun pretty_subgoal (n, A) = Pretty.blk (0, 
295 
[Pretty.str (begin_goal ^ " " ^ string_of_int n ^ ". "), Pretty.term pp A]); 

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fun pretty_subgoals As = map pretty_subgoal (1 upto length As ~~ As); 
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val pretty_ffpairs = pretty_list "flexflex pairs:" (pretty_flexpair pp); 
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val pretty_consts = pretty_list "constants:" prt_consts o consts_of; 
301 
val pretty_vars = pretty_list "variables:" prt_vars o vars_of; 

302 
val pretty_varsT = pretty_list "type variables:" prt_varsT o varsT_of; 

11883  303 

304 

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val {prop, tpairs, ...} = Thm.rep_thm state; 
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parents:
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diff
changeset

306 
val (As, B) = Logic.strip_horn prop; 
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val ngoals = length As; 
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fun pretty_gs (types, sorts) = 
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(if main then [Pretty.term pp B] else []) @ 
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(if ngoals = 0 then [Pretty.str "No subgoals!"] 
312 
else if ngoals > maxgoals then 

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pretty_subgoals (Library.take (maxgoals, As)) @ 
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(if msg then [Pretty.str ("A total of " ^ string_of_int ngoals ^ " subgoals...")] 
315 
else []) 

316 
else pretty_subgoals As) @ 

317 
pretty_ffpairs tpairs @ 

318 
(if ! show_consts then pretty_consts prop else []) @ 

319 
(if types then pretty_vars prop else []) @ 

320 
(if sorts then pretty_varsT prop else []); 

321 
in 

322 
setmp show_no_free_types true 

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323 
(setmp show_types (! show_types orelse ! show_sorts orelse ! show_all_types) 
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(setmp show_sorts false pretty_gs)) 
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Makes interactive proof scripting recognize the show_all_types flag.
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changeset

325 
(! show_types orelse ! show_sorts orelse ! show_all_types, ! show_sorts) 
11883  326 
end; 
327 

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fun pretty_goals_marker bg n th = 
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329 
pretty_goals_aux (Sign.pp (Thm.theory_of_thm th)) bg (true, true) n th; 
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331 
val pretty_goals = pretty_goals_marker ""; 

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val print_goals = (Pretty.writeln o Pretty.chunks) oo pretty_goals_marker ""; 
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334 
end; 
7fa0265dcd13
New module for display/printing operations, taken from drule.ML
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parents:
diff
changeset

335 

11883  336 

337 
(* print_current_goals *) 

338 

339 
val current_goals_markers = ref ("", "", ""); 

340 

12418  341 
fun pretty_current_goals n m th = 
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let 
343 
val ref (begin_state, end_state, begin_goal) = current_goals_markers; 

344 
val ngoals = nprems_of th; 

345 
in 

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(if begin_state = "" then [] else [Pretty.str begin_state]) @ 
347 
[Pretty.str ("Level " ^ string_of_int n ^ 

11883  348 
(if ngoals > 0 then " (" ^ string_of_int ngoals ^ " subgoal" ^ 
349 
(if ngoals <> 1 then "s" else "") ^ ")" 

12418  350 
else ""))] @ 
351 
pretty_goals_marker begin_goal m th @ 

352 
(if end_state = "" then [] else [Pretty.str end_state]) 

11883  353 
end; 
354 

12418  355 
fun print_current_goals_default n m th = 
356 
Pretty.writeln (Pretty.chunks (pretty_current_goals n m th)); 

357 

11883  358 
val print_current_goals_fn = ref print_current_goals_default; 
359 

360 
end; 

361 

362 
structure BasicDisplay: BASIC_DISPLAY = Display; 

363 
open BasicDisplay; 