author  wenzelm 
Sat, 21 Jan 2006 23:02:14 +0100  
changeset 18728  6790126ab5f6 
parent 18061  972e3d554eb8 
child 18936  647528660980 
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 

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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 

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 
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val pretty_thm_no_quote: thm > Pretty.T 
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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 
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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 **) 
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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; 
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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 

17468  79 
val hyps' = if ! show_hyps then hyps else fold (remove (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; 
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val pprint_thm = Pretty.pprint o pretty_thm; 
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6087  106 
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; 
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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); 
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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); 
4250  164 

14794  165 
fun pretty_classrel (c, []) = prt_cls c 
166 
 pretty_classrel (c, cs) = Pretty.block 

167 
(prt_cls c :: Pretty.str " <" :: Pretty.brk 1 :: 

168 
Pretty.commas (map prt_cls cs)); 

4250  169 

170 
fun pretty_default S = Pretty.block 

14794  171 
[Pretty.str "default sort:", Pretty.brk 1, prt_sort S]; 
4250  172 

15531  173 
fun pretty_witness NONE = Pretty.str "universal nonemptiness witness: " 
174 
 pretty_witness (SOME (T, S)) = Pretty.block 

14794  175 
[Pretty.str "universal nonemptiness witness:", Pretty.brk 1, 
176 
prt_typ_no_tvars T, Pretty.str " ::", Pretty.brk 1, prt_sort S]; 

177 

14996  178 
val tfrees = map (fn v => TFree (v, [])); 
16364  179 
fun pretty_type syn (t, (Type.LogicalType n, _)) = 
15531  180 
if syn then NONE 
181 
else SOME (prt_typ (Type (t, tfrees (Term.invent_names [] "'a" n)))) 

16364  182 
 pretty_type syn (t, (Type.Abbreviation (vs, U, syn'), _)) = 
15531  183 
if syn <> syn' then NONE 
184 
else SOME (Pretty.block 

14996  185 
[prt_typ (Type (t, tfrees vs)), Pretty.str " =", Pretty.brk 1, prt_typ U]) 
16364  186 
 pretty_type syn (t, (Type.Nonterminal, _)) = 
15531  187 
if not syn then NONE 
188 
else SOME (prt_typ (Type (t, []))); 

4250  189 

15570  190 
val pretty_arities = List.concat o map (fn (t, ars) => map (prt_arity t) ars); 
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16937  192 
fun pretty_const (c, ty) = Pretty.block 
10737  193 
[Pretty.str c, Pretty.str " ::", Pretty.brk 1, prt_typ_no_tvars ty]; 
4250  194 

8720  195 
fun prt_axm (a, t) = Pretty.block [Pretty.str (a ^ ":"), Pretty.brk 1, prt_term t]; 
196 

17704  197 
val {axioms, defs = _, oracles} = Theory.rep_theory thy; 
18061  198 
val {naming, syn = _, tsig, consts} = Sign.rep_sg thy; 
199 
val {declarations, constraints} = Consts.dest consts; 

14794  200 
val {classes, default, types, arities, log_types = _, witness} = Type.rep_tsig tsig; 
14996  201 

16845  202 
val clsses = NameSpace.dest_table (apsnd (Symtab.make o Graph.dest) classes); 
203 
val tdecls = NameSpace.dest_table types; 

204 
val arties = NameSpace.dest_table (Sign.type_space thy, arities); 

18061  205 
val cnsts = NameSpace.extern_table declarations; 
206 
val cnsts' = 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  209 
in 
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[Pretty.strs ("names:" :: Context.names_of thy), 
16534  211 
Pretty.strs ("theory data:" :: Context.theory_data_of thy), 
212 
Pretty.strs ("proof data:" :: Context.proof_data_of thy), 

16127  213 
Pretty.strs ["name prefix:", NameSpace.path_of naming], 
16364  214 
Pretty.big_list "classes:" (map pretty_classrel clsses), 
8720  215 
pretty_default default, 
14794  216 
pretty_witness witness, 
15570  217 
Pretty.big_list "syntactic types:" (List.mapPartial (pretty_type true) tdecls), 
218 
Pretty.big_list "logical types:" (List.mapPartial (pretty_type false) tdecls), 

16534  219 
Pretty.big_list "type arities:" (pretty_arities arties), 
14794  220 
Pretty.big_list "consts:" (map pretty_const cnsts), 
16937  221 
Pretty.big_list "const constraints:" (map pretty_const cnsts'), 
8720  222 
Pretty.big_list "axioms:" (map prt_axm axms), 
223 
Pretty.strs ("oracles:" :: (map #1 oras))] 

4250  224 
end; 
225 

226 

11883  227 

228 
(** print_goals **) 

229 

230 
(* print_goals etc. *) 

231 

16534  232 
val show_consts = ref false; (*true: show consts with types in proof state output*) 
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11883  235 
(*print thm A1,...,An/B in "goal style"  premises as numbered subgoals*) 
236 

237 
local 

238 

12081  239 
fun ins_entry (x, y) [] = [(x, [y])] 
240 
 ins_entry (x, y) ((pair as (x', ys')) :: pairs) = 

241 
if x = x' then (x', y ins ys') :: pairs 

242 
else pair :: ins_entry (x, y) pairs; 

243 

244 
fun add_consts (Const (c, T), env) = ins_entry (T, (c, T)) env 

245 
 add_consts (t $ u, env) = add_consts (u, add_consts (t, env)) 

246 
 add_consts (Abs (_, _, t), env) = add_consts (t, env) 

247 
 add_consts (_, env) = env; 

11883  248 

12081  249 
fun add_vars (Free (x, T), env) = ins_entry (T, (x, ~1)) env 
250 
 add_vars (Var (xi, T), env) = ins_entry (T, xi) env 

251 
 add_vars (Abs (_, _, t), env) = add_vars (t, env) 

252 
 add_vars (t $ u, env) = add_vars (u, add_vars (t, env)) 

253 
 add_vars (_, env) = env; 

11883  254 

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fun add_varsT (Type (_, Ts), env) = foldr add_varsT env Ts 
12081  256 
 add_varsT (TFree (x, S), env) = ins_entry (S, (x, ~1)) env 
257 
 add_varsT (TVar (xi, S), env) = ins_entry (S, xi) env; 

11883  258 

16490  259 
fun sort_idxs vs = map (apsnd (sort (prod_ord string_ord int_ord))) vs; 
12081  260 
fun sort_cnsts cs = map (apsnd (sort_wrt fst)) cs; 
261 

262 
fun consts_of t = sort_cnsts (add_consts (t, [])); 

263 
fun vars_of t = sort_idxs (add_vars (t, [])); 

264 
fun varsT_of t = rev (sort_idxs (it_term_types add_varsT (t, []))); 

265 

266 
in 

11883  267 

14876  268 
fun pretty_goals_aux pp begin_goal (msg, main) maxgoals state = 
12081  269 
let 
270 
fun prt_atoms prt prtT (X, xs) = Pretty.block 

271 
[Pretty.block (Pretty.commas (map prt xs)), Pretty.str " ::", 

272 
Pretty.brk 1, prtT X]; 

11883  273 

14876  274 
fun prt_var (x, ~1) = Pretty.term pp (Syntax.free x) 
275 
 prt_var xi = Pretty.term pp (Syntax.var xi); 

12081  276 

14876  277 
fun prt_varT (x, ~1) = Pretty.typ pp (TFree (x, [])) 
278 
 prt_varT xi = Pretty.typ pp (TVar (xi, [])); 

12081  279 

14876  280 
val prt_consts = prt_atoms (Pretty.term pp o Const) (Pretty.typ pp); 
281 
val prt_vars = prt_atoms prt_var (Pretty.typ pp); 

282 
val prt_varsT = prt_atoms prt_varT (Pretty.sort pp); 

11883  283 

284 

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fun pretty_list _ _ [] = [] 
286 
 pretty_list name prt lst = [Pretty.big_list name (map prt lst)]; 

11883  287 

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fun pretty_subgoal (n, A) = Pretty.blk (0, 
289 
[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); 
11883  291 

14876  292 
val pretty_ffpairs = pretty_list "flexflex pairs:" (pretty_flexpair pp); 
11883  293 

12081  294 
val pretty_consts = pretty_list "constants:" prt_consts o consts_of; 
295 
val pretty_vars = pretty_list "variables:" prt_vars o vars_of; 

296 
val pretty_varsT = pretty_list "type variables:" prt_varsT o varsT_of; 

11883  297 

298 

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

300 
val (As, B) = Logic.strip_horn prop; 
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val ngoals = length As; 
11883  302 

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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!"] 
306 
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...")] 
309 
else []) 

310 
else pretty_subgoals As) @ 

311 
pretty_ffpairs tpairs @ 

312 
(if ! show_consts then pretty_consts prop else []) @ 

313 
(if types then pretty_vars prop else []) @ 

314 
(if sorts then pretty_varsT prop else []); 

315 
in 

316 
setmp show_no_free_types true 

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Makes interactive proof scripting recognize the show_all_types flag.
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changeset

317 
(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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diff
changeset

319 
(! show_types orelse ! show_sorts orelse ! show_all_types, ! show_sorts) 
11883  320 
end; 
321 

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fun pretty_goals_marker bg n th = 
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removed pretty_theory, pprint_theory (see context.ML or thy_info.ML);
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changeset

323 
pretty_goals_aux (Sign.pp (Thm.theory_of_thm th)) bg (true, true) n th; 
12081  324 

325 
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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328 
end; 
7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

329 

11883  330 

331 
(* print_current_goals *) 

332 

333 
val current_goals_markers = ref ("", "", ""); 

334 

12418  335 
fun pretty_current_goals n m th = 
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let 
337 
val ref (begin_state, end_state, begin_goal) = current_goals_markers; 

338 
val ngoals = nprems_of th; 

339 
in 

12418  340 
(if begin_state = "" then [] else [Pretty.str begin_state]) @ 
341 
[Pretty.str ("Level " ^ string_of_int n ^ 

11883  342 
(if ngoals > 0 then " (" ^ string_of_int ngoals ^ " subgoal" ^ 
343 
(if ngoals <> 1 then "s" else "") ^ ")" 

12418  344 
else ""))] @ 
345 
pretty_goals_marker begin_goal m th @ 

346 
(if end_state = "" then [] else [Pretty.str end_state]) 

11883  347 
end; 
348 

12418  349 
fun print_current_goals_default n m th = 
350 
Pretty.writeln (Pretty.chunks (pretty_current_goals n m th)); 

351 

11883  352 
val print_current_goals_fn = ref print_current_goals_default; 
353 

354 
end; 

355 

356 
structure BasicDisplay: BASIC_DISPLAY = Display; 

357 
open BasicDisplay; 