author  wenzelm 
Mon, 21 Jun 2004 16:41:06 +0200  
changeset 14990  582b655da757 
parent 14876  477c414000f8 
child 14996  2571227f3fcc 
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 

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val string_of_thm: thm > string 

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val print_thm: thm > unit 

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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 

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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 
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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 

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(** print thm **) 
61 

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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*) 
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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, _), ...} = 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); 
6279  80 

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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 "[" "]" 
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(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; 
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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; 
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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 = (seq (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 
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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]); 

10737  184 
fun prt_typ_no_tvars ty = Pretty.quote (Sign.pretty_typ sg (#1 (Type.freeze_thaw_type ty))); 
8720  185 
fun prt_term t = Pretty.quote (Sign.pretty_term sg t); 
4250  186 

14794  187 
fun pretty_classrel (c, []) = prt_cls c 
188 
 pretty_classrel (c, cs) = Pretty.block 

189 
(prt_cls c :: Pretty.str " <" :: Pretty.brk 1 :: 

190 
Pretty.commas (map prt_cls cs)); 

4250  191 

192 
fun pretty_default S = Pretty.block 

14794  193 
[Pretty.str "default sort:", Pretty.brk 1, prt_sort S]; 
4250  194 

195 
fun pretty_ty (t, n) = Pretty.block 

8458  196 
[Pretty.str t, Pretty.brk 1, Pretty.str (string_of_int n)]; 
4250  197 

7635  198 
fun pretty_witness None = Pretty.str "universal nonemptiness witness: " 
199 
 pretty_witness (Some (T, S)) = Pretty.block 

14794  200 
[Pretty.str "universal nonemptiness witness:", Pretty.brk 1, 
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prt_typ_no_tvars T, Pretty.str " ::", Pretty.brk 1, prt_sort S]; 

202 

203 
fun pretty_nonterminals ts = Pretty.block 

204 
(Pretty.breaks (Pretty.str "syntactic types:" :: map Pretty.str ts)); 

7635  205 

14990  206 
fun pretty_abbr (t, (vs, rhs, _)) = Pretty.block 
10737  207 
[prt_typ_no_tvars (Type (t, map (fn v => TVar ((v, 0), [])) vs)), 
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Pretty.str " =", Pretty.brk 1, prt_typ_no_tvars rhs]; 

4250  209 

210 
fun pretty_arities (t, ars) = map (prt_arity t) ars; 

211 

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fun pretty_final (c:string, tys:typ list) = Pretty.block 
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([Pretty.str c, Pretty.str " ::", Pretty.brk 1] @ 
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(if null tys then [Pretty.str "<all instances>"] 
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else Pretty.commas (map prt_typ_no_tvars tys))); 
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14794  217 
fun pretty_const (c, (ty, _)) = Pretty.block 
10737  218 
[Pretty.str c, Pretty.str " ::", Pretty.brk 1, prt_typ_no_tvars ty]; 
4250  219 

8720  220 
fun prt_axm (a, t) = Pretty.block [Pretty.str (a ^ ":"), Pretty.brk 1, prt_term t]; 
221 

222 

14794  223 
val {self = _, tsig, consts, path, spaces, data} = Sign.rep_sg sg; 
8720  224 
val {axioms, oracles, ...} = Theory.rep_theory thy; 
6846  225 
val spaces' = Library.sort_wrt fst spaces; 
14794  226 
val {classes, default, types, arities, log_types = _, witness} = Type.rep_tsig tsig; 
227 
val tdecls = Symtab.dest types > 

228 
map (fn (t, (decl, _)) => (Sign.cond_extern sg Sign.typeK t, decl)); 

229 
val tycons = mapfilter (fn (t, Type.LogicalType n) => Some (t, n)  _ => None) tdecls; 

230 
val abbrs = mapfilter (fn (t, Type.Abbreviation u) => Some (t, u)  _ => None) tdecls; 

231 
val nonterminals = mapfilter (fn (t, Type.Nonterminal) => Some t  _ => None) tdecls; 

232 
val finals = Symtab.dest (#final_consts (Theory.rep_theory thy)); 

233 
val cnsts = Sign.cond_extern_table sg Sign.constK consts; 

8720  234 
val axms = Sign.cond_extern_table sg Theory.axiomK axioms; 
235 
val oras = Sign.cond_extern_table sg Theory.oracleK oracles; 

4250  236 
in 
8720  237 
[Pretty.strs ("stamps:" :: Sign.stamp_names_of sg), 
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Pretty.strs ("data:" :: Sign.data_kinds data), 

11501  239 
Pretty.strs ["name prefix:", NameSpace.pack (if_none path [""])], 
8720  240 
Pretty.big_list "name spaces:" (map pretty_name_space spaces'), 
14794  241 
Pretty.big_list "classes:" (map pretty_classrel (Graph.dest classes)), 
8720  242 
pretty_default default, 
14794  243 
pretty_witness witness, 
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Pretty.big_list "logical type constructors:" (map pretty_ty tycons), 

245 
Pretty.big_list "type abbreviations:" (map pretty_abbr abbrs), 

246 
pretty_nonterminals nonterminals, 

8720  247 
Pretty.big_list "type arities:" (flat (map pretty_arities (Symtab.dest arities))), 
14794  248 
Pretty.big_list "consts:" (map pretty_const cnsts), 
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Pretty.big_list "finals:" (map pretty_final finals), 
8720  250 
Pretty.big_list "axioms:" (map prt_axm axms), 
251 
Pretty.strs ("oracles:" :: (map #1 oras))] 

4250  252 
end; 
253 

254 

11883  255 

256 
(** print_goals **) 

257 

258 
(* print_goals etc. *) 

259 

8908  260 
(*show consts with types in proof state output?*) 
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val show_consts = ref false; 
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11883  264 
(*print thm A1,...,An/B in "goal style"  premises as numbered subgoals*) 
265 

266 
local 

267 

12081  268 
fun ins_entry (x, y) [] = [(x, [y])] 
269 
 ins_entry (x, y) ((pair as (x', ys')) :: pairs) = 

270 
if x = x' then (x', y ins ys') :: pairs 

271 
else pair :: ins_entry (x, y) pairs; 

272 

273 
fun add_consts (Const (c, T), env) = ins_entry (T, (c, T)) env 

274 
 add_consts (t $ u, env) = add_consts (u, add_consts (t, env)) 

275 
 add_consts (Abs (_, _, t), env) = add_consts (t, env) 

276 
 add_consts (_, env) = env; 

11883  277 

12081  278 
fun add_vars (Free (x, T), env) = ins_entry (T, (x, ~1)) env 
279 
 add_vars (Var (xi, T), env) = ins_entry (T, xi) env 

280 
 add_vars (Abs (_, _, t), env) = add_vars (t, env) 

281 
 add_vars (t $ u, env) = add_vars (u, add_vars (t, env)) 

282 
 add_vars (_, env) = env; 

11883  283 

12081  284 
fun add_varsT (Type (_, Ts), env) = foldr add_varsT (Ts, env) 
285 
 add_varsT (TFree (x, S), env) = ins_entry (S, (x, ~1)) env 

286 
 add_varsT (TVar (xi, S), env) = ins_entry (S, xi) env; 

11883  287 

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fun sort_idxs vs = map (apsnd (sort (prod_ord String.compare Int.compare))) vs; 
12081  289 
fun sort_cnsts cs = map (apsnd (sort_wrt fst)) cs; 
290 

291 
fun consts_of t = sort_cnsts (add_consts (t, [])); 

292 
fun vars_of t = sort_idxs (add_vars (t, [])); 

293 
fun varsT_of t = rev (sort_idxs (it_term_types add_varsT (t, []))); 

294 

295 
in 

11883  296 

14876  297 
fun pretty_goals_aux pp begin_goal (msg, main) maxgoals state = 
12081  298 
let 
299 
fun prt_atoms prt prtT (X, xs) = Pretty.block 

300 
[Pretty.block (Pretty.commas (map prt xs)), Pretty.str " ::", 

301 
Pretty.brk 1, prtT X]; 

11883  302 

14876  303 
fun prt_var (x, ~1) = Pretty.term pp (Syntax.free x) 
304 
 prt_var xi = Pretty.term pp (Syntax.var xi); 

12081  305 

14876  306 
fun prt_varT (x, ~1) = Pretty.typ pp (TFree (x, [])) 
307 
 prt_varT xi = Pretty.typ pp (TVar (xi, [])); 

12081  308 

14876  309 
val prt_consts = prt_atoms (Pretty.term pp o Const) (Pretty.typ pp); 
310 
val prt_vars = prt_atoms prt_var (Pretty.typ pp); 

311 
val prt_varsT = prt_atoms prt_varT (Pretty.sort pp); 

11883  312 

313 

12081  314 
fun pretty_list _ _ [] = [] 
315 
 pretty_list name prt lst = [Pretty.big_list name (map prt lst)]; 

11883  316 

14876  317 
fun pretty_subgoal (n, A) = Pretty.blk (0, 
318 
[Pretty.str (begin_goal ^ " " ^ string_of_int n ^ ". "), Pretty.term pp A]); 

12081  319 
fun pretty_subgoals As = map pretty_subgoal (1 upto length As ~~ As); 
11883  320 

14876  321 
val pretty_ffpairs = pretty_list "flexflex pairs:" (pretty_flexpair pp); 
11883  322 

12081  323 
val pretty_consts = pretty_list "constants:" prt_consts o consts_of; 
324 
val pretty_vars = pretty_list "variables:" prt_vars o vars_of; 

325 
val pretty_varsT = pretty_list "type variables:" prt_varsT o varsT_of; 

11883  326 

327 

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

328 
val {prop, tpairs, ...} = rep_thm state; 
c9ad3e64ddcf
Changed handling of flexflex constraints: now stored in separate
berghofe
parents:
12831
diff
changeset

329 
val (As, B) = Logic.strip_horn prop; 
12081  330 
val ngoals = length As; 
11883  331 

12081  332 
fun pretty_gs (types, sorts) = 
14876  333 
(if main then [Pretty.term pp B] else []) @ 
12081  334 
(if ngoals = 0 then [Pretty.str "No subgoals!"] 
335 
else if ngoals > maxgoals then 

336 
pretty_subgoals (take (maxgoals, As)) @ 

337 
(if msg then [Pretty.str ("A total of " ^ string_of_int ngoals ^ " subgoals...")] 

338 
else []) 

339 
else pretty_subgoals As) @ 

340 
pretty_ffpairs tpairs @ 

341 
(if ! show_consts then pretty_consts prop else []) @ 

342 
(if types then pretty_vars prop else []) @ 

343 
(if sorts then pretty_varsT prop else []); 

344 
in 

345 
setmp show_no_free_types true 

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

346 
(setmp show_types (! show_types orelse ! show_sorts orelse ! show_all_types) 
12081  347 
(setmp show_sorts false pretty_gs)) 
14178
14a12da7288e
Makes interactive proof scripting recognize the show_all_types flag.
skalberg
parents:
13658
diff
changeset

348 
(! show_types orelse ! show_sorts orelse ! show_all_types, ! show_sorts) 
11883  349 
end; 
350 

12081  351 
fun pretty_goals_marker bg n th = 
14876  352 
pretty_goals_aux (Sign.pp (Thm.sign_of_thm th)) bg (true, true) n th; 
12081  353 

354 
val pretty_goals = pretty_goals_marker ""; 

12418  355 
val print_goals = (Pretty.writeln o Pretty.chunks) oo pretty_goals_marker ""; 
12081  356 

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

357 
end; 
7fa0265dcd13
New module for display/printing operations, taken from drule.ML
paulson
parents:
diff
changeset

358 

11883  359 

360 
(* print_current_goals *) 

361 

362 
val current_goals_markers = ref ("", "", ""); 

363 

12418  364 
fun pretty_current_goals n m th = 
11883  365 
let 
366 
val ref (begin_state, end_state, begin_goal) = current_goals_markers; 

367 
val ngoals = nprems_of th; 

368 
in 

12418  369 
(if begin_state = "" then [] else [Pretty.str begin_state]) @ 
370 
[Pretty.str ("Level " ^ string_of_int n ^ 

11883  371 
(if ngoals > 0 then " (" ^ string_of_int ngoals ^ " subgoal" ^ 
372 
(if ngoals <> 1 then "s" else "") ^ ")" 

12418  373 
else ""))] @ 
374 
pretty_goals_marker begin_goal m th @ 

375 
(if end_state = "" then [] else [Pretty.str end_state]) 

11883  376 
end; 
377 

12418  378 
fun print_current_goals_default n m th = 
379 
Pretty.writeln (Pretty.chunks (pretty_current_goals n m th)); 

380 

11883  381 
val print_current_goals_fn = ref print_current_goals_default; 
382 

383 
end; 

384 

385 
structure BasicDisplay: BASIC_DISPLAY = Display; 

386 
open BasicDisplay; 