author  wenzelm 
Sat, 11 Jun 2005 22:15:48 +0200  
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parent 16334  b773132e3715 
child 16437  aa87badf7a3c 
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 
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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 

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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 string_of_ctyp: ctyp > string 

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val print_ctyp: ctyp > 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 print_syntax: theory > unit 

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val show_consts: bool ref 

26 
end; 

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signature DISPLAY = 
4950  29 
sig 
11883  30 
include BASIC_DISPLAY 
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val pretty_flexpair: Pretty.pp > term * term > Pretty.T 
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val pretty_thm_aux: Pretty.pp > bool > 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: Sign.sg > thm > Pretty.T 

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val pretty_thms_sg: Sign.sg > thm list > Pretty.T 

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val pprint_thm: thm > pprint_args > unit 

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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 pretty_cterm: cterm > Pretty.T 

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val pprint_cterm: cterm > pprint_args > unit 

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val pretty_theory: theory > Pretty.T 

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val pprint_theory: theory > pprint_args > unit 

8720  45 
val pretty_full_theory: theory > Pretty.T list 
11883  46 
val pretty_name_space: string * NameSpace.T > Pretty.T 
14876  47 
val pretty_goals_aux: Pretty.pp > string > bool * bool > int > thm > Pretty.T list 
11883  48 
val pretty_goals: int > thm > Pretty.T list 
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val print_goals: int > thm > unit 

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val current_goals_markers: (string * string * string) ref 

12418  51 
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  54 
end; 
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4950  56 
structure Display: DISPLAY = 
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struct 
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11883  59 

6087  60 
(** print thm **) 
61 

12081  62 
val goals_limit = ref 10; (*max number of goals to print  set by user*) 
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val show_hyps = ref false; (*false: print metahypotheses as dots*) 
11883  64 
val show_tags = ref false; (*false: suppress tags*) 
6087  65 

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fun pretty_tag (name, args) = Pretty.strs (name :: map Library.quote args); 
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val pretty_tags = Pretty.list "[" "]" o map pretty_tag; 
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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 th = 
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let 
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val {hyps, tpairs, prop, der = (ora, _), ...} = Thm.rep_thm th; 
6087  75 
val xshyps = Thm.extra_shyps th; 
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val (_, tags) = Thm.get_name_tags th; 

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val q = if quote then Pretty.quote else I; 
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val prt_term = q o (Pretty.term pp); 
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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 [] 
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else if ! show_hyps then 
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[Pretty.brk 2, Pretty.list "[" "]" 
14876  86 
(map (q o pretty_flexpair pp) tpairs @ map prt_term hyps @ 
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map (Pretty.sort pp) xshyps @ 

9500  88 
(if ora then [Pretty.str "!"] else []))] 
6889  89 
else [Pretty.brk 2, Pretty.str ("[" ^ implode (replicate hlen ".") ^ 
9500  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 = 
14876  97 
pretty_thm_aux (Sign.pp (Thm.sign_of_thm th)) quote 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; 
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val pprint_thm = Pretty.pprint o pretty_thm; 
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fun pretty_thms [th] = pretty_thm th 
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 pretty_thms ths = Pretty.block (Pretty.fbreaks (map pretty_thm ths)); 

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val pretty_thm_sg = pretty_thm oo Thm.transfer_sg; 
110 
val pretty_thms_sg = pretty_thms oo (map o Thm.transfer_sg); 

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); 
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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 = (List.app (fn th => (print_thm th; writeln "")) ths; ths); 
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(* other printing commands *) 
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4126  130 
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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3547  141 
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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4250  153 

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(** print theory **) 

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6390  156 
val pretty_theory = Sign.pretty_sg o Theory.sign_of; 
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val pprint_theory = Sign.pprint_sg o Theory.sign_of; 

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6390  159 
val print_syntax = Syntax.print_syntax o Theory.syn_of; 
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4250  161 

4498  162 
(* pretty_name_space *) 
163 

164 
fun pretty_name_space (kind, space) = 

165 
let 

166 
fun prt_entry (name, accs) = Pretty.block 

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(Pretty.str (Library.quote name ^ " =") :: Pretty.brk 1 :: 
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Pretty.commas (map (Pretty.quote o Pretty.str) accs)); 
4498  169 
in 
170 
Pretty.fbreaks (Pretty.str (kind ^ ":") :: map prt_entry (NameSpace.dest space)) 

171 
> Pretty.block 

172 
end; 

173 

174 

11883  175 
(* pretty_full_theory *) 
4250  176 

8720  177 
fun pretty_full_theory thy = 
4250  178 
let 
8720  179 
val sg = Theory.sign_of thy; 
180 

4250  181 
fun prt_cls c = Sign.pretty_sort sg [c]; 
182 
fun prt_sort S = Sign.pretty_sort sg S; 

183 
fun prt_arity t (c, Ss) = Sign.pretty_arity sg (t, Ss, [c]); 

14996  184 
fun prt_typ ty = Pretty.quote (Sign.pretty_typ sg ty); 
16290  185 
val prt_typ_no_tvars = prt_typ o Type.freeze_type; 
8720  186 
fun prt_term t = Pretty.quote (Sign.pretty_term sg t); 
4250  187 

14794  188 
fun pretty_classrel (c, []) = prt_cls c 
189 
 pretty_classrel (c, cs) = Pretty.block 

190 
(prt_cls c :: Pretty.str " <" :: Pretty.brk 1 :: 

191 
Pretty.commas (map prt_cls cs)); 

4250  192 

193 
fun pretty_default S = Pretty.block 

14794  194 
[Pretty.str "default sort:", Pretty.brk 1, prt_sort S]; 
4250  195 

15531  196 
fun pretty_witness NONE = Pretty.str "universal nonemptiness witness: " 
197 
 pretty_witness (SOME (T, S)) = Pretty.block 

14794  198 
[Pretty.str "universal nonemptiness witness:", Pretty.brk 1, 
199 
prt_typ_no_tvars T, Pretty.str " ::", Pretty.brk 1, prt_sort S]; 

200 

14996  201 
val tfrees = map (fn v => TFree (v, [])); 
16364  202 
fun pretty_type syn (t, (Type.LogicalType n, _)) = 
15531  203 
if syn then NONE 
204 
else SOME (prt_typ (Type (t, tfrees (Term.invent_names [] "'a" n)))) 

16364  205 
 pretty_type syn (t, (Type.Abbreviation (vs, U, syn'), _)) = 
15531  206 
if syn <> syn' then NONE 
207 
else SOME (Pretty.block 

14996  208 
[prt_typ (Type (t, tfrees vs)), Pretty.str " =", Pretty.brk 1, prt_typ U]) 
16364  209 
 pretty_type syn (t, (Type.Nonterminal, _)) = 
15531  210 
if not syn then NONE 
211 
else SOME (prt_typ (Type (t, []))); 

4250  212 

15570  213 
val pretty_arities = List.concat o map (fn (t, ars) => map (prt_arity t) ars); 
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14794  215 
fun pretty_const (c, (ty, _)) = Pretty.block 
10737  216 
[Pretty.str c, Pretty.str " ::", Pretty.brk 1, prt_typ_no_tvars ty]; 
4250  217 

14996  218 
fun pretty_final (c, []) = Pretty.str c 
219 
 pretty_final (c, tys) = Pretty.block 

220 
(Pretty.str c :: Pretty.str " ::" :: Pretty.brk 1 :: 

221 
Pretty.commas (map prt_typ_no_tvars tys)); 

222 

8720  223 
fun prt_axm (a, t) = Pretty.block [Pretty.str (a ^ ":"), Pretty.brk 1, prt_term t]; 
224 

225 

16290  226 
val {sign = _, defs, axioms, oracles, parents = _, ancestors = _} = Theory.rep_theory thy; 
16364  227 
val {self = _, tsig, consts, naming, data} = Sign.rep_sg sg; 
14794  228 
val {classes, default, types, arities, log_types = _, witness} = Type.rep_tsig tsig; 
14996  229 

16364  230 
val clsses = NameSpace.extern_table (apsnd (Symtab.make o Graph.dest) classes); 
231 
val tdecls = NameSpace.extern_table types; 

232 
val cnsts = NameSpace.extern_table consts; 

233 
val finals = NameSpace.extern_table (#1 consts, Defs.finals defs); 

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val axms = NameSpace.extern_table axioms; 
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val oras = NameSpace.extern_table oracles; 
4250  236 
in 
8720  237 
[Pretty.strs ("stamps:" :: Sign.stamp_names_of sg), 
238 
Pretty.strs ("data:" :: Sign.data_kinds data), 

16127  239 
Pretty.strs ["name prefix:", NameSpace.path_of naming], 
16364  240 
Pretty.big_list "classes:" (map pretty_classrel clsses), 
8720  241 
pretty_default default, 
14794  242 
pretty_witness witness, 
15570  243 
Pretty.big_list "syntactic types:" (List.mapPartial (pretty_type true) tdecls), 
244 
Pretty.big_list "logical types:" (List.mapPartial (pretty_type false) tdecls), 

14996  245 
Pretty.big_list "type arities:" (pretty_arities (Symtab.dest arities)), 
14794  246 
Pretty.big_list "consts:" (map pretty_const cnsts), 
14996  247 
Pretty.big_list "finals consts:" (map pretty_final finals), 
8720  248 
Pretty.big_list "axioms:" (map prt_axm axms), 
249 
Pretty.strs ("oracles:" :: (map #1 oras))] 

4250  250 
end; 
251 

252 

11883  253 

254 
(** print_goals **) 

255 

256 
(* print_goals etc. *) 

257 

8908  258 
(*show consts with types in proof state output?*) 
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val show_consts = ref false; 
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11883  262 
(*print thm A1,...,An/B in "goal style"  premises as numbered subgoals*) 
263 

264 
local 

265 

12081  266 
fun ins_entry (x, y) [] = [(x, [y])] 
267 
 ins_entry (x, y) ((pair as (x', ys')) :: pairs) = 

268 
if x = x' then (x', y ins ys') :: pairs 

269 
else pair :: ins_entry (x, y) pairs; 

270 

271 
fun add_consts (Const (c, T), env) = ins_entry (T, (c, T)) env 

272 
 add_consts (t $ u, env) = add_consts (u, add_consts (t, env)) 

273 
 add_consts (Abs (_, _, t), env) = add_consts (t, env) 

274 
 add_consts (_, env) = env; 

11883  275 

12081  276 
fun add_vars (Free (x, T), env) = ins_entry (T, (x, ~1)) env 
277 
 add_vars (Var (xi, T), env) = ins_entry (T, xi) env 

278 
 add_vars (Abs (_, _, t), env) = add_vars (t, env) 

279 
 add_vars (t $ u, env) = add_vars (u, add_vars (t, env)) 

280 
 add_vars (_, env) = env; 

11883  281 

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fun add_varsT (Type (_, Ts), env) = foldr add_varsT env Ts 
12081  283 
 add_varsT (TFree (x, S), env) = ins_entry (S, (x, ~1)) env 
284 
 add_varsT (TVar (xi, S), env) = ins_entry (S, xi) env; 

11883  285 

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fun sort_idxs vs = map (apsnd (sort (prod_ord String.compare Int.compare))) vs; 
12081  287 
fun sort_cnsts cs = map (apsnd (sort_wrt fst)) cs; 
288 

289 
fun consts_of t = sort_cnsts (add_consts (t, [])); 

290 
fun vars_of t = sort_idxs (add_vars (t, [])); 

291 
fun varsT_of t = rev (sort_idxs (it_term_types add_varsT (t, []))); 

292 

293 
in 

11883  294 

14876  295 
fun pretty_goals_aux pp begin_goal (msg, main) maxgoals state = 
12081  296 
let 
297 
fun prt_atoms prt prtT (X, xs) = Pretty.block 

298 
[Pretty.block (Pretty.commas (map prt xs)), Pretty.str " ::", 

299 
Pretty.brk 1, prtT X]; 

11883  300 

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fun prt_var (x, ~1) = Pretty.term pp (Syntax.free x) 
302 
 prt_var xi = Pretty.term pp (Syntax.var xi); 

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fun prt_varT (x, ~1) = Pretty.typ pp (TFree (x, [])) 
305 
 prt_varT xi = Pretty.typ pp (TVar (xi, [])); 

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val prt_consts = prt_atoms (Pretty.term pp o Const) (Pretty.typ pp); 
308 
val prt_vars = prt_atoms prt_var (Pretty.typ pp); 

309 
val prt_varsT = prt_atoms prt_varT (Pretty.sort pp); 

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311 

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fun pretty_list _ _ [] = [] 
313 
 pretty_list name prt lst = [Pretty.big_list name (map prt lst)]; 

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fun pretty_subgoal (n, A) = Pretty.blk (0, 
316 
[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; 
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val pretty_vars = pretty_list "variables:" prt_vars o vars_of; 

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

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325 

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val {prop, tpairs, ...} = Thm.rep_thm state; 
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327 
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!"] 
333 
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...")] 
336 
else []) 

337 
else pretty_subgoals As) @ 

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pretty_ffpairs tpairs @ 

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

340 
(if types then pretty_vars prop else []) @ 

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(if sorts then pretty_varsT prop else []); 

342 
in 

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setmp show_no_free_types true 

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344 
(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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diff
changeset

346 
(! show_types orelse ! show_sorts orelse ! show_all_types, ! show_sorts) 
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end; 
348 

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fun pretty_goals_marker bg n th = 
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pretty_goals_aux (Sign.pp (Thm.sign_of_thm th)) bg (true, true) n th; 
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352 
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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355 
end; 
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parents:
diff
changeset

356 

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358 
(* print_current_goals *) 

359 

360 
val current_goals_markers = ref ("", "", ""); 

361 

12418  362 
fun pretty_current_goals n m th = 
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let 
364 
val ref (begin_state, end_state, begin_goal) = current_goals_markers; 

365 
val ngoals = nprems_of th; 

366 
in 

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(if begin_state = "" then [] else [Pretty.str begin_state]) @ 
368 
[Pretty.str ("Level " ^ string_of_int n ^ 

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(if ngoals > 0 then " (" ^ string_of_int ngoals ^ " subgoal" ^ 
370 
(if ngoals <> 1 then "s" else "") ^ ")" 

12418  371 
else ""))] @ 
372 
pretty_goals_marker begin_goal m th @ 

373 
(if end_state = "" then [] else [Pretty.str end_state]) 

11883  374 
end; 
375 

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fun print_current_goals_default n m th = 
377 
Pretty.writeln (Pretty.chunks (pretty_current_goals n m th)); 

378 

11883  379 
val print_current_goals_fn = ref print_current_goals_default; 
380 

381 
end; 

382 

383 
structure BasicDisplay: BASIC_DISPLAY = Display; 

384 
open BasicDisplay; 