aboutsummaryrefslogtreecommitdiff
path: root/src/interp/br-op2.boot
blob: 2171a7ae69c72a78c63af68cdba6384f3f3b3a3d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
-- Copyright (c) 1991-2002, The Numerical ALgorithms Group Ltd.
-- All rights reserved.
-- Copyright (C) 2007-2009, Gabriel Dos Reis.
-- All rights reserved.
--
-- Redistribution and use in source and binary forms, with or without
-- modification, are permitted provided that the following conditions are
-- met:
--
--     - Redistributions of source code must retain the above copyright
--       notice, this list of conditions and the following disclaimer.
--
--     - Redistributions in binary form must reproduce the above copyright
--       notice, this list of conditions and the following disclaimer in
--       the documentation and/or other materials provided with the
--       distribution.
--
--     - Neither the name of The Numerical ALgorithms Group Ltd. nor the
--       names of its contributors may be used to endorse or promote products
--       derived from this software without specific prior written permission.
--
-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
-- IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
-- TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
-- PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
-- OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-- EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-- PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-- LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.


import br_-op1
namespace BOOT

--====================> WAS br-op2.boot <================================

--=======================================================================
--                   Operation Description
--=======================================================================


htSayConstructor(key,u) ==
  u is ['CATEGORY,kind,:r] =>
    htSay('"a ",kind,'" ")
    htSayExplicitExports(r)
  key = 'is =>
    htSay '"the domain "
    bcConform(u,true)
  htSay
    key = 'is => '"the domain "
    kind := getConstructorKindFromDB opOf u
    kind = "domain" => '"an element of "
    '"a domain of "
  u is ['Join,:middle,r] =>
    rest middle =>
      htSay '"categories "
      bcConform(first middle,true)
      for x in rest middle repeat
        htSay '", "
        bcConform(x,true)
      r is ['CATEGORY,.,:r] =>
        htSay '" and "
        htSayExplicitExports(r)
      htSay '" and "
      bcConform(r,true)
    htSay '"category "
    bcConform(first middle,true)
    r is ['CATEGORY,.,:r] =>
     htSay '" "
     htSayExplicitExports(r)
    htSay '" and "
    bcConform(r,true)
  htSay(kind,'" ")
  bcConform(u,true)

htSayExplicitExports r ==
  htSay '"with explicit exports"
  $displayReturnValue => nil
  htSay '":"
  for x in r repeat
    htSay '"\newline "
    x is ['SIGNATURE,op,sig] =>
      ops := escapeSpecialChars STRINGIMAGE op
      htMakePage [['bcLinks,[ops,'"",'oPage,ops]]]
      htSay '": "
      bcConform ['Mapping,:sig]
    x is ['ATTRIBUTE,a] =>
      s := form2HtString a
      htMakePage [['bcLinks,[ops,'"",'aPage,s]]]
    x is ['IF,:.] =>
      htSay('"{\em if ...}")
    systemError()

displayBreakIntoAnds pred ==
  pred is [op,:u] and member(op,'(and AND)) => u
  [pred]

htSayValue t ==
  t is ['Mapping,target,:source] =>
      htSay('"a function from ")
      htSayTuple source
      htSay '" to "
      htSayArgument target
  t = '(Category) => htSay('"a category")
  t is [op,:.] and MEMQ(op,'(Join CATEGORY)) or constructor? opOf t =>
    htSayConstructor(nil,t)
  htSay('"an element of domain ")
  htSayArgument t                            --continue for operations

htSayArgument t == --called only for operations not for constructors
  null $signature => htSay ['"{\em ",t,'"}"]
  MEMQ(t, '(_$ _%)) =>
    $conkind = '"category" and $conlength > 20 =>
      $generalSearch? => htSay '"{\em D} of the origin category"
      addWhereList("$",'is,nil)
      htSayStandard '"{\em $}"
      htSaySaturn '"{\em \%}"
    htSayStandard '"{\em $}"
    htSaySaturn '"{\em \%}"
  not IDENTP t => bcConform(t,true)
  k := position(t,$conargs)
  if k > -1 then
    typeOfArg := (rest $signature).k
    addWhereList(t,'member,typeOfArg)
  htSay('"{\em ",t,'"}")

addWhereList(id,kind,typ) ==
  $whereList := insert([id,kind,:typ],$whereList)

htSayTuple t ==
  null t => htSay '"()"
  null rest t => htSayArgument first t
  htSay '"("
  htSayArgument first t
  for d in rest t repeat
    htSay '","
    htSayArgument d
  htSay '")"

dbGetDisplayFormForOp(op,sig,doc) ==
  dbGetFormFromDocumentation(op,sig,doc) or dbGetContrivedForm(op,sig)

dbGetFormFromDocumentation(op,sig,x) ==
  doc := (STRINGP x => x; first x)
  STRINGP doc and
     (stringPrefix?('"\spad{",doc) and (k := 6) or
       stringPrefix?('"\s{",doc) and (k := 3)) =>
    n := charPosition($charRbrace,doc,k)
    s := SUBSTRING(doc,k,n - k)
    parse := ncParseFromString s
    parse is [=op,:.] and #parse = #sig => parse
  nil

dbMakeContrivedForm(op,sig,:options) ==
  $chooseDownCaseOfType : local := IFCAR options
  $NumberList : local := '(i j k l m n i1 j1 k1 l1 m1 n1 i2 j2 k2 l2 m2 n2 i3 j3 k3 l3 m3 n3 i4 j4 k4 l4 m4 n4 )
  $ElementList: local := '(x y z u v w x1 y1 z1 u1 v1 w1 x2 y2 z2 u2 v2 w2 x3 y3 z3 u3 v3 w3 x4 y4 z4 u4 v4 w4 )
  $FunctionList:local := '(f g h d e F G H)
  $DomainList:  local := '(R S D E T A B C M N P Q U V W)
  dbGetContrivedForm(op,sig)

dbGetContrivedForm(op,sig) ==
  op = '"0" => [0]
  op = '"1" => [1]
  [op,:[dbChooseOperandName s for s in rest sig]]

dbChooseOperandName(typ) ==
  typ is ['Mapping,:.] =>
    x := first $FunctionList
    $FunctionList := rest $FunctionList
    x
  name := opOf typ
  kind :=
    name = "$" => 'domain
    getConstructorKindFromDB name
  s := PNAME opOf typ
  kind ~= 'category =>
    anySubstring?('"Integer",s,0) or anySubstring?('"Number",s,0) =>
      x := first $NumberList
      $NumberList := rest $NumberList
      x
    x :=
      $chooseDownCaseOfType =>
        y := DOWNCASE typ
        x :=
          member(y,$ElementList) => y
          first $ElementList
      first $ElementList
    $ElementList := delete(x,$ElementList)
    x
  x := first $DomainList
  $DomainList := rest $DomainList
  x

getSubstSigIfPossible sig ==
  getSubstSignature sig or sig

--
--  while (u := getSubstSignature sig) repeat
--     sig := u
--  sig

fullSubstitute(x,y,z) ==  --substitutes deeply: x for y in list z
  z = y => x
  atom z => z
  [fullSubstitute(x,y,u) for u in z]

getSubstCandidates sig ==
  candidates := nil
  for x in sig for i in 1.. | x is [.,.,:.] repeat
    getSubstQualify(x,i,sig) => candidates := getSubstInsert(x,candidates)
    y := or/[getSubstQualify(y,i,sig) for y in rest x | y is [.,.,:.]] =>
      candidates := insert(y,candidates)
  candidates

getSubstSignature sig ==
    candidates := getSubstCandidates sig
    null candidates => nil
    D := first $DomainList
    $DomainList := rest $DomainList
    winner := first candidates
    newsig := fullSubstitute(D,winner,sig)
    sig :=
      null rest candidates => newsig
      count := NUMOFNODES newsig
      for x in rest candidates repeat
        trial := fullSubstitute(D,x,sig)
        trialCount := NUMOFNODES trial
        trialCount < count =>
          newsig := trial
          count  := trialCount
          winner := x
      newsig
    addWhereList(D,'is,winner)
    newsig

getSubstQualify(x,i,sig) ==
    or/[CONTAINED(x,y) for y in sig for j in 1.. | j ~= i] => x
    false

getSubstInsert(x,candidates) ==
    return insert(x,candidates)
    null candidates => [x]
    or/[CONTAINED(x,y) for y in candidates] => candidates
    y := or/[CONTAINED(y,x) for y in candidates] => substitute(x,y,candidates)
    candidates


--=======================================================================
--                      Who Uses
--=======================================================================
whoUsesOperation(htPage,which,key) ==  --see dbPresentOps
  key = 'filter => koaPageFilterByName(htPage,'whoUsesOperation)
  opAlist := htpProperty(htPage,'opAlist)
  conform := htpProperty(htPage,'conform)
  conargs := rest conform
  opl := nil
  for [op,:alist] in opAlist repeat
    for [sig,:.] in alist repeat
      opl := [[op,:SUBLISLIS($FormalMapVariableList,rest conform,sig)],:opl]
  opl := NREVERSE opl
  u := whoUses(opl,conform)
  prefix := pluralSay(#u,'"constructor uses",'"constructors use")
  suffix :=
    opAlist is [[op1,.]] =>
      ['" operation {\em ",escapeSpecialChars STRINGIMAGE op1,'":",form2HtString ['Mapping,:sig],'"}"]
    ['" these operations"]
  page := htInitPage([:prefix,:suffix],htCopyProplist htPage)
  nopAlist := nil
  for [name,:opsigList] in u repeat
    for opsig in opsigList repeat
      sofar    := LASSOC(opsig,nopAlist)
      nopAlist := insertAlist(opsig,[name,:LASSOC(opsig,nopAlist)],nopAlist)
  usedList := nil
  for [pair := [op,:sig],:namelist] in nopAlist repeat
    ops := escapeSpecialChars STRINGIMAGE op
    usedList := [pair,:usedList]
    htSay('"Users of {\em ",ops,'": ")
    bcConform ['Mapping,:sublisFormal(conargs,sig)]
    htSay('"}\newline")
    bcConTable listSort(function GLESSEQP,REMDUP namelist)
  noOneUses := SETDIFFERENCE(opl,usedList)
  if #noOneUses > 0 then
    htSay('"No constructor uses the ")
    htSay
      #noOneUses = 1 => '"operation: "
      [#noOneUses,'" operations:"]
    htSay '"\newline "
    for [op,:sig] in noOneUses repeat
      htSay('"\tab{2}{\em ",escapeSpecialChars STRINGIMAGE op,'": ")
      bcConform ['Mapping,:sublisFormal(conargs,sig)]
      htSay('"}\newline")
  htSayStandard '"\endscroll "
  dbPresentOps(page,which,'usage)
  htShowPageNoScroll()

whoUses(opSigList,conform) ==
  opList := REMDUP ASSOCLEFT opSigList
  numOfArgsList := REMDUP [-1 + #sig for [.,:sig] in opSigList]
  acc  := nil
  $conname : local := first conform
  domList := getUsersOfConstructor $conname
  hash := MAKE_-HASH_-TABLE()
  for name in allConstructors() | MEMQ(name,domList) repeat
    $infovec : local := dbInfovec name
    null $infovec => 'skip           --category
    template := $infovec . 0
    found := false
    opacc := nil
    for i in 7..MAXINDEX template repeat
      item := template . i
      item isnt [n,:op] or not MEMQ(op,opList) => 'skip
      index := n
      numvec := getCodeVector()
      numOfArgs := numvec . index
      null member(numOfArgs,numOfArgsList) => 'skip
      whereNumber := numvec.(index := index + 1)
      template . whereNumber isnt [= $conname,:.] => 'skip
      signumList := dcSig(numvec,index + 1,numOfArgs)
      opsig := or/[pair for (pair := [op1,:sig]) in opSigList | op1 = op and whoUsesMatch?(signumList,sig,nil)]
        => opacc := [opsig,:opacc]
    if opacc then acc := [[name,:opacc],:acc]
  acc

whoUsesMatch?(signumList,sig,al) ==
  #signumList = #sig and whoUsesMatch1?(signumList,sig,al)

whoUsesMatch1?(signumList,sig,al) ==
  signumList is [subject,:r] and sig is [pattern,:s] =>
    x := LASSOC(pattern,al) =>
      x = subject => whoUsesMatch1?(r,s,al)
      false
    pattern = '_$ =>
      subject is [= $conname,:.] => whoUsesMatch1?(r,s,[['_$,:subject],:al])
      false
    whoUsesMatch1?(r,s,[[pattern,:subject],:al])
  true

--=======================================================================
--                   Get Attribute/Operation Alist
--=======================================================================

koAttrs(conform,domname) ==
  [conname,:args] := conform
--asharpConstructorName? conname => nil  --assumed
  "category" = getConstructorKindFromDB conname =>
      koCatAttrs(conform,domname)
  $infovec: local := dbInfovec conname or return nil
  $predvec: local :=
    $domain => $domain . 3
    getConstructorPredicatesFromDB conname
  u := [[a,:pred] for [a,:i] in $infovec . 2 | a ~= 'nil and (pred := sublisFormal(args,kTestPred i))]
                                               ---------  CHECK for a = nil
  listSort(function GLESSEQP,fn u) where fn u ==
    alist := nil
    for [a,:pred] in u repeat
      op := opOf a
      args := IFCDR a
      alist := insertAlist(op,insertAlist(args,[pred],LASSOC(op,alist)),alist)
    alist

koOps(conform,domname,:options) == main where
--returns alist of form ((op (sig . pred) ...) ...)
  main() ==
    $packageItem: local := nil
--  relatives? := IFCAR options
    ours :=
--    relatives? = 'onlyRelatives => nil
      fn(conform,domname)
--    if relatives? then
--      relatives := relativesOf(conform,domname)
--      if domname then relatives :=
--      SUBLISLIS([domname,:rest domname],['_$,:rest conform],relatives)
--      --kill all relatives that have a sharp variable remaining in them
--      for x in relatives repeat
--      or/[y for y in CDAR x | isSharpVar y] => 'skip
--      acc := [x,:acc]
--      relatives := NREVERSE acc
--      for (pair := [pakform,:.]) in relatives repeat
--      $packageItem := sublisFormal(rest conform,pair)
--      ours := merge(fn(pakform,nil),ours)
    listSort(function GLESSEQP,trim ours)
  trim u == [pair for pair in u | IFCDR pair]
  fn(conform,domname) ==
    conform := domname or conform
    [conname,:args] := conform
    subargs: local := args
    ----------> new <------------------
    u := koCatOps(conform,domname) => u
--    "category" = getConstructorKindFromDB conname =>
--        koCatOps(conform,domname)
    asharpConstructorName? opOf conform => nil
    ----------> new <------------------
    $infovec: local := dbInfovec conname--------> removed 94/10/24
    exposureTail :=
      null $packageItem => '(NIL NIL)
      isExposedConstructor opOf conform => [conform,:'(T)]
      [conform,:'(NIL)]
    for [op,:u] in getOperationAlistFromLisplib conname repeat
      op1 := zeroOneConvert op
      acc :=
       [[op1,:[[sig,npred,:exposureTail] for [sig,slot,pred,key,:.] in sublisFormal(subargs,u) |
         (key ~= 'Subsumed) and (npred := simpHasPred pred)]],:acc]
    acc
  merge(alist,alist1) == --alist1 takes precedence
    for [op,:al] in alist1 repeat
      u := LASSOC(op,alist) =>
        for [sig,:item] in al | not LASSOC(sig,u) repeat
          u := insertAlist(sig,item,u)
        alist := insertAlist(op,u,DELASC(op,alist)) --add the merge of two alists
      alist := insertAlist(op,al,alist)  --add the whole inner alist
    alist

zeroOneConvert x ==
  x = 'Zero => 0
  x = 'One  => 1
  x

kFormatSlotDomain x == fn formatSlotDomain x where fn x ==
  atom x => x
  (op := CAR x) = '_$ => '_$
  op = 'local => CADR x
  op = ":" => [":",CADR x,fn CADDR x]
  isConstructorName op => [fn y for y in x]
  INTEGERP op => op
  op = 'QUOTE and atom CADR x => CADR x
  x

koCatOps(conform,domname) ==
  conname := opOf conform
  oplist := REVERSE getConstructorOperationsFromDB conname
  oplist := sublisFormal(IFCDR domname or IFCDR conform ,oplist)
  --check below for INTEGERP key to avoid subsumed signatures
  [[zeroOneConvert op,:nalist] for [op,:alist] in oplist | nalist := koCatOps1(alist)]

koCatOps1 alist == [x for item in alist | x := pair] where
  pair() ==
    [sig,:r] := item
    null r => [sig,true]
    [key,:options] := r
    null (pred := IFCAR options) =>
      IFCAR IFCDR options = 'ASCONST => [sig,'ASCONST]
      [sig,true]
    npred := simpHasPred pred => [sig,npred]
    false

koCatAttrs(catform,domname) ==
  $if: local := MAKE_-HASHTABLE 'ID
  catname   := opOf catform
  koCatAttrsAdd(domname or catform,true)
  ancestors := ancestorsOf(catform,domname)
  for [conform,:pred] in ancestors repeat koCatAttrsAdd(conform,pred)
  hashTable2Alist $if

hashTable2Alist tb ==
  [[op,:HGET(tb,op)] for op in listSort(function GLESSEQP,HKEYS $if)]

koCatAttrsAdd(catform,pred) ==
  for [name,argl,:p] in CAR getConstructorExports catform repeat
    npred  := quickAnd(pred,p)
    exists := HGET($if,name)
    if existingPred := LASSOC(argl,exists)_
        then npred := quickOr(npred,existingPred)
    if not MEMQ(name,'(nil nothing)) _
        then HPUT($if,name,[[argl,simpHasPred npred],:exists])

--=======================================================================
--            Filter by Category
--=======================================================================

koaPageFilterByCategory(htPage,calledFrom) ==
  opAlist := htpProperty(htPage,'opAlist)
  which   := htpProperty(htPage,'which)
  page := htInitPageNoScroll(htCopyProplist htPage,
             dbHeading(opAlist,which,htpProperty(htPage,'heading)))
  htSay('"Select a category ancestor below or ")
  htMakePage [['bcLispLinks,['"filter",'"on:",calledFrom,'filter]]]
  htMakePage [['bcStrings, [13,'"",'filter,'EM]]]
  htSay('"\beginscroll ")
  conform := htpProperty(htPage,'conform)
  domname := htpProperty(htPage,'domname)
  ancestors := ASSOCLEFT ancestorsOf(conform,domname)
  htpSetProperty(page,'ancestors,listSort(function GLESSEQP,ancestors))
  bcNameCountTable(ancestors,'form2HtString,'koaPageFilterByCategory1,true)
  htShowPage()

dbHeading(items,which,heading,:options) ==
  names?   := IFCAR options
  count :=
    names? => #items
    +/[#(rest x) for x in items]
  capwhich := capitalize which
  prefix :=
    count < 2 =>
      names? => pluralSay(count,STRCONC(capwhich," Name"),nil)
      pluralSay(count,capwhich,nil)
    names? => pluralSay(count,nil,STRCONC(capwhich," Names"))
    pluralSay(count,nil,pluralize capwhich)
  [:prefix,'" for ",:heading]

koaPageFilterByCategory1(htPage,i) ==
  ancestor := (htpProperty(htPage,'ancestors)) . i
  ancestorList := [ancestor,:ASSOCLEFT ancestorsOf(ancestor,nil)]
  newOpAlist := nil
  which    := htpProperty(htPage,'which)
  opAlist  := htpProperty(htPage,'opAlist)
  domname  := htpProperty(htPage,'domname)
  conform  := htpProperty(htPage,'conform)
  heading  := htpProperty(htPage,'heading)
  docTable := dbDocTable(domname or conform)
  for [op,:alist] in opAlist repeat
    nalist := [[origin,:item] for item in alist | split]
      where split() ==
        [sig,pred,:aux] := item
        u := dbGetDocTable(op,sig,docTable,which,aux)
        origin := IFCAR u
        doc    := IFCDR u
        true
    for [origin,:item] in nalist | origin repeat
      member(origin,ancestorList) =>
        newEntry   := [item,:LASSOC(op,newOpAlist)]
        newOpAlist := insertAlist(op,newEntry,newOpAlist)
  falist := nil
  for [op,:alist] in newOpAlist repeat
    falist := [[op,:NREVERSE alist],:falist]
  htpSetProperty(htPage,'fromcat,['" from category {\sf ",form2HtString ancestor,'"}"])
  dbShowOperationsFromConform(htPage,which,falist)

--=======================================================================
--           New code for search operation alist for exact matches
--=======================================================================

opPageFast opAlist == --called by oSearch
  htPage := htInitPage(nil,nil)
  htpSetProperty(htPage,'opAlist,opAlist)
  htpSetProperty(htPage,'expandOperations,'lists)
  which := '"operation"
--dbResetOpAlistCondition(htPage,which,opAlist)
  dbShowOp1(htPage,opAlist,which,'names)

opPageFastPath opstring ==
--return nil
  x := STRINGIMAGE opstring
  charPosition(char '_*,x,0) < #x => nil     --quit if name has * in it
  op := (STRINGP x => INTERN x; x)
  mmList := getAllModemapsFromDatabase(op,nil) or return nil
  opAlist := [[op,:[item for mm in mmList]]] where item() ==
    [predList, origin, sig] := modemap2Sig(op, mm)
    predicate := predList and MKPF(predList,'AND)
    exposed? := isExposedConstructor opOf origin
    [sig, predicate, origin, exposed?]
  opAlist

modemap2Sig(op,mm) ==
  [dcSig, conds] := mm
  [dc, :sig] := dcSig
  partial? :=
    conds is ['partial,:r] => conds := r
    false
  condlist := modemap2SigConds conds
  [origin, vlist, flist] := getDcForm(dc, condlist) or return nil
  subcondlist := SUBLISLIS(flist, vlist, condlist)
  [predList,vlist, flist] := getSigSubst(subcondlist, nil, vlist, flist)
  if partial? then
    target := dcSig . 1
    ntarget := ['Union, target, '"failed"]
    dcSig := substitute(ntarget, target, dcSig)
  alist := findSubstitutionOrder? pairlis(vlist, flist) or systemError()
  predList := substInOrder(alist, predList)
  nsig := substInOrder(alist, sig)
  if hasPatternVar nsig or hasPatternVar predList then
    pp '"--------------"
    pp op
    pp predList
    pp nsig
    pp mm
--pause nsig
  [predList, origin, substitute("%", origin, nsig)]

modemap2SigConds conds ==
  conds is ['OR,:r] => modemap2SigConds first r
  conds is ['AND,:r] => r
  [conds]

hasPatternVar x ==
  IDENTP x and (x ~= "**") => isPatternVar x
  atom x => false
  or/[hasPatternVar y for y in x]

getDcForm(dc, condlist) ==
  [ofWord,id,cform] := or/[x for x in condlist | x is [k,=dc,:.]
     and MEMQ(k, '(ofCategory isDomain))] or return nil
  conform := getConstructorForm opOf cform
  ofWord = 'ofCategory =>
    [conform, ["*1", :rest cform], ["%", :rest conform]]
  ofWord = 'isDomain =>
    [conform, ["*1", :rest cform], ["%", :rest conform]]
  systemError()

getSigSubst(u, pl, vl, fl) ==
  u is [item, :r] =>
    item is ['AND,:s] =>
       [pl, vl, fl] := getSigSubst(s, pl, vl, fl)
       getSigSubst(r, pl, vl, fl)
    [key, v, f] := item
    key = 'isDomain => getSigSubst(r, pl, [v, :vl], [f, :fl])
    key = 'ofCategory => getSigSubst(r, pl, ['D, :vl], [f, :fl])
    key = 'ofType    => getSigSubst(r, pl, vl, fl)
    key = 'has => getSigSubst(r, [item, :pl], vl, fl)
    key = 'not => getSigSubst(r, [item, :pl], vl, fl)
    systemError()
  [pl, vl, fl]


pairlis(u,v) ==
  null u or null v => nil
  [[first u,:first v],:pairlis(rest u, rest v)]