author  wenzelm 
Thu, 18 Sep 2008 14:06:56 +0200  
changeset 28288  09c812966e7f 
parent 27302  8d12ac6a3e1c 
child 28290  4cc2b6046258 
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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19420  6 
Printing of theorems, goals, results 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 show_consts: bool ref 

15 
end; 

16 

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signature DISPLAY = 
4950  18 
sig 
11883  19 
include BASIC_DISPLAY 
14876  20 
val pretty_flexpair: Pretty.pp > term * term > Pretty.T 
17447  21 
val pretty_thm_aux: Pretty.pp > bool > bool > term list > thm > Pretty.T 
11883  22 
val pretty_thm: thm > Pretty.T 
26928  23 
val string_of_thm: thm > string 
11883  24 
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 
26928  27 
val print_thm: thm > unit 
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val print_thms: thm list > unit 

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val prth: thm > thm 

30 
val prthq: thm Seq.seq > thm Seq.seq 

31 
val prths: thm list > thm list 

11883  32 
val pretty_ctyp: ctyp > Pretty.T 
26928  33 
val string_of_ctyp: ctyp > string 
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val print_ctyp: ctyp > unit 

11883  35 
val pretty_cterm: cterm > Pretty.T 
26928  36 
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 pretty_full_theory: bool > theory > Pretty.T list 
23634  40 
val pretty_goals_aux: Pretty.pp > Markup.T > bool * bool > int > thm > Pretty.T list 
11883  41 
val pretty_goals: int > thm > Pretty.T list 
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val print_goals: int > thm > unit 

4950  43 
end; 
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4950  45 
structure Display: DISPLAY = 
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struct 
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11883  48 

6087  49 
(** print thm **) 
50 

16534  51 
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  53 
val show_tags = ref false; (*false: suppress tags*) 
6087  54 

23657  55 
fun pretty_tag (name, arg) = Pretty.strs [name, Library.quote arg]; 
6087  56 
val pretty_tags = Pretty.list "[" "]" o map pretty_tag; 
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14876  58 
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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17447  61 
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; 
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val {hyps, tpairs, prop, der, ...} = Thm.rep_thm th; 
6087  65 
val xshyps = Thm.extra_shyps th; 
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val tags = Thm.get_tags th; 
6087  67 

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val q = if quote then Pretty.quote else I; 
22878  69 
val prt_term = q o Pretty.term pp; 
6279  70 

19300  71 
val hyps' = if ! show_hyps then hyps else subtract (op aconv) asms hyps; 
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val ora' = Deriv.oracle_of der andalso (! show_hyps orelse not (! quick_and_dirty)); 
17447  73 
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  76 
else if ! show_hyps orelse show_hyps' then 
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[Pretty.brk 2, Pretty.list "[" "]" 
17447  78 
(map (q o pretty_flexpair pp) tpairs @ map prt_term hyps' @ 
14876  79 
map (Pretty.sort pp) xshyps @ 
17475  80 
(if ora' then [Pretty.str "!"] else []))] 
6889  81 
else [Pretty.brk 2, Pretty.str ("[" ^ implode (replicate hlen ".") ^ 
17475  82 
(if ora' then "!" else "") ^ "]")]; 
6087  83 
val tsymbs = 
84 
if null tags orelse not (! show_tags) then [] 

85 
else [Pretty.brk 1, pretty_tags tags]; 

6279  86 
in Pretty.block (prt_term prop :: (hsymbs @ tsymbs)) end; 
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20226  88 
fun pretty_thm th = 
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pretty_thm_aux (Syntax.pp_global (Thm.theory_of_thm th)) true false [] th; 
6889  90 

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val string_of_thm = Pretty.string_of o pretty_thm; 
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6087  93 
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  98 

6087  99 

100 
(* toplevel commands for printing theorems *) 

101 

102 
val print_thm = Pretty.writeln o pretty_thm; 

103 
val print_thms = Pretty.writeln o pretty_thms; 

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fun prth th = (print_thm th; th); 
16534  106 
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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fun pretty_ctyp cT = Syntax.pretty_typ_global (Thm.theory_of_ctyp cT) (Thm.typ_of cT); 
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fun string_of_ctyp cT = Syntax.string_of_typ_global (Thm.theory_of_ctyp cT) (Thm.typ_of cT); 
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val print_ctyp = writeln o string_of_ctyp; 
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fun pretty_cterm ct = Syntax.pretty_term_global (Thm.theory_of_cterm ct) (Thm.term_of ct); 
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fun string_of_cterm ct = Syntax.string_of_term_global (Thm.theory_of_cterm ct) (Thm.term_of ct); 
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val print_cterm = writeln o string_of_cterm; 
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4250  121 

122 
(** print theory **) 

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val print_syntax = Syntax.print_syntax o Sign.syn_of; 
4498  125 

126 

11883  127 
(* pretty_full_theory *) 
4250  128 

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fun pretty_full_theory verbose thy = 
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let 
24920  131 
val ctxt = ProofContext.init thy; 
132 

133 
fun prt_cls c = Syntax.pretty_sort ctxt [c]; 

134 
fun prt_sort S = Syntax.pretty_sort ctxt S; 

135 
fun prt_arity t (c, (_, Ss)) = Syntax.pretty_arity ctxt (t, Ss, [c]); 

136 
fun prt_typ ty = Pretty.quote (Syntax.pretty_typ ctxt ty); 

19806  137 
val prt_typ_no_tvars = prt_typ o Logic.unvarifyT; 
24920  138 
fun prt_term t = Pretty.quote (Syntax.pretty_term ctxt t); 
18936  139 
val prt_term_no_vars = prt_term o Logic.unvarify; 
19698  140 
fun prt_const (c, ty) = [Pretty.str c, Pretty.str " ::", Pretty.brk 1, prt_typ_no_tvars ty]; 
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val prt_const' = Defs.pretty_const (Syntax.pp ctxt); 
4250  142 

14794  143 
fun pretty_classrel (c, []) = prt_cls c 
144 
 pretty_classrel (c, cs) = Pretty.block 

145 
(prt_cls c :: Pretty.str " <" :: Pretty.brk 1 :: 

146 
Pretty.commas (map prt_cls cs)); 

4250  147 

148 
fun pretty_default S = Pretty.block 

14794  149 
[Pretty.str "default sort:", Pretty.brk 1, prt_sort S]; 
4250  150 

14996  151 
val tfrees = map (fn v => TFree (v, [])); 
27302  152 
fun pretty_type syn (t, ((Type.LogicalType n, _), _)) = 
15531  153 
if syn then NONE 
24848  154 
else SOME (prt_typ (Type (t, tfrees (Name.invents Name.context Name.aT n)))) 
27302  155 
 pretty_type syn (t, ((Type.Abbreviation (vs, U, syn'), _), _)) = 
15531  156 
if syn <> syn' then NONE 
157 
else SOME (Pretty.block 

14996  158 
[prt_typ (Type (t, tfrees vs)), Pretty.str " =", Pretty.brk 1, prt_typ U]) 
27302  159 
 pretty_type syn (t, ((Type.Nonterminal, _), _)) = 
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if not syn then NONE 
161 
else SOME (prt_typ (Type (t, []))); 

4250  162 

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val pretty_arities = maps (fn (t, ars) => map (prt_arity t) ars); 
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19698  165 
fun pretty_abbrev (c, (ty, t)) = Pretty.block 
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(prt_const (c, ty) @ [Pretty.str " ==", Pretty.brk 1, prt_term_no_vars t]); 

167 

168 
fun pretty_axm (a, t) = Pretty.block [Pretty.str (a ^ ":"), Pretty.brk 1, prt_term_no_vars t]; 

19365  169 

19702  170 
fun pretty_finals reds = Pretty.block 
19703  171 
(Pretty.str "final:" :: Pretty.brk 1 :: Pretty.commas (map (prt_const' o fst) reds)); 
19702  172 

19698  173 
fun pretty_reduct (lhs, rhs) = Pretty.block 
19702  174 
([prt_const' lhs, Pretty.str " >", Pretty.brk 2] @ 
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Pretty.commas (map prt_const' (sort_wrt #1 rhs))); 

4250  176 

19698  177 
fun pretty_restrict (const, name) = 
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Pretty.block ([prt_const' const, Pretty.brk 2, Pretty.str ("(from " ^ quote name ^ ")")]); 

8720  179 

24665  180 
val axioms = (Theory.axiom_space thy, Theory.axiom_table thy); 
181 
val oracles = (Theory.oracle_space thy, Theory.oracle_table thy); 

182 
val defs = Theory.defs_of thy; 

19698  183 
val {restricts, reducts} = Defs.dest defs; 
18061  184 
val {naming, syn = _, tsig, consts} = Sign.rep_sg thy; 
18936  185 
val {constants, constraints} = Consts.dest consts; 
19698  186 
val extern_const = NameSpace.extern (#1 constants); 
26637  187 
val {classes, default, types, ...} = Type.rep_tsig tsig; 
19698  188 
val (class_space, class_algebra) = classes; 
19642  189 
val {classes, arities} = Sorts.rep_algebra class_algebra; 
14996  190 

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val clsses = NameSpace.dest_table (class_space, Symtab.make (Graph.dest classes)); 
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val tdecls = NameSpace.dest_table types; 
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val arties = NameSpace.dest_table (Sign.type_space thy, arities); 
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fun prune_const c = not verbose andalso 
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member (op =) (Consts.the_tags consts c) Markup.property_internal; 
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val cnsts = NameSpace.extern_table (#1 constants, 
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Symtab.make (filter_out (prune_const o fst) (Symtab.dest (#2 constants)))); 
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val log_cnsts = map_filter (fn (c, (ty, NONE)) => SOME (c, ty)  _ => NONE) cnsts; 
25405  201 
val abbrevs = map_filter (fn (c, (ty, SOME t)) => SOME (c, (ty, t))  _ => NONE) cnsts; 
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val cnstrs = NameSpace.extern_table constraints; 
19698  203 

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val axms = NameSpace.extern_table axioms; 
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val oras = NameSpace.extern_table oracles; 
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val (reds0, (reds1, reds2)) = filter_out (prune_const o fst o fst) reducts 
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> map (fn (lhs, rhs) => 
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(apfst extern_const lhs, map (apfst extern_const) (filter_out (prune_const o fst) rhs))) 
19702  210 
> sort_wrt (#1 o #1) 
211 
> List.partition (null o #2) 

212 
> List.partition (Defs.plain_args o #2 o #1); 

19698  213 
val rests = restricts > map (apfst (apfst extern_const)) > sort_wrt (#1 o #1); 
4250  214 
in 
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[Pretty.strs ("names:" :: Context.names_of thy)] @ 
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[Pretty.strs ["name prefix:", NameSpace.path_of naming], 
16364  217 
Pretty.big_list "classes:" (map pretty_classrel clsses), 
8720  218 
pretty_default default, 
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Pretty.big_list "syntactic types:" (map_filter (pretty_type true) tdecls), 
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Pretty.big_list "logical types:" (map_filter (pretty_type false) tdecls), 
16534  221 
Pretty.big_list "type arities:" (pretty_arities arties), 
19698  222 
Pretty.big_list "logical consts:" (map (Pretty.block o prt_const) log_cnsts), 
19365  223 
Pretty.big_list "abbreviations:" (map pretty_abbrev abbrevs), 
19698  224 
Pretty.big_list "constraints:" (map (Pretty.block o prt_const) cnstrs), 
225 
Pretty.big_list "axioms:" (map pretty_axm axms), 

19702  226 
Pretty.strs ("oracles:" :: (map #1 oras)), 
19698  227 
Pretty.big_list "definitions:" 
19702  228 
[pretty_finals reds0, 
229 
Pretty.big_list "nonoverloaded:" (map pretty_reduct reds1), 

230 
Pretty.big_list "overloaded:" (map pretty_reduct reds2), 

231 
Pretty.big_list "pattern restrictions:" (map pretty_restrict rests)]] 

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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changeset

242 

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(*print thm A1,...,An/B in "goal style"  premises as numbered subgoals*) 
244 

245 
local 

246 

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

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

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

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 _ => I); 

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

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

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 _ => I); 

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

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

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 _ => I); 

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fun sort_idxs vs = map (apsnd (sort (prod_ord string_ord int_ord))) vs; 
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fun sort_cnsts cs = map (apsnd (sort_wrt fst)) cs; 
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fun consts_of t = sort_cnsts (add_consts t []); 
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fun vars_of t = sort_idxs (add_vars t []); 

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

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272 
in 

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fun pretty_goals_aux pp markup (msg, main) maxgoals state = 
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let 
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fun prt_atoms prt prtT (X, xs) = Pretty.block 

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

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Pretty.brk 1, prtT X]; 

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

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fun prt_varT (x, ~1) = Pretty.typ pp (TFree (x, [])) 
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 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); 
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val prt_vars = prt_atoms prt_var (Pretty.typ pp); 

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

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

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fun pretty_subgoal (n, A) = Pretty.markup markup 
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[Pretty.str (" " ^ 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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val {prop, tpairs, ...} = Thm.rep_thm state; 
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Changed handling of flexflex constraints: now stored in separate
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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!"] 
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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...")] 
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else []) 

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else pretty_subgoals As) @ 

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pretty_ffpairs tpairs @ 

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

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(if types then pretty_vars prop else []) @ 

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(if sorts then pretty_varsT prop else []); 

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in 

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setmp show_no_free_types true 

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Makes interactive proof scripting recognize the show_all_types flag.
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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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diff
changeset

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

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fun pretty_goals n th = 
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moved global pretty/string_of functions from Sign to Syntax;
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diff
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329 
pretty_goals_aux (Syntax.pp_global (Thm.theory_of_thm th)) Markup.none (true, true) n th; 
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val print_goals = (Pretty.writeln o Pretty.chunks) oo pretty_goals; 
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changeset

333 
end; 
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11883  335 

336 
end; 

337 

338 
structure BasicDisplay: BASIC_DISPLAY = Display; 

339 
open BasicDisplay; 