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
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>Mu - 033exclusive_container.cc</title>
<meta name="Generator" content="Vim/7.4">
<meta name="plugin-version" content="vim7.4_v2">
<meta name="syntax" content="cpp">
<meta name="settings" content="number_lines,use_css,pre_wrap,no_foldcolumn,expand_tabs,line_ids,prevent_copy=">
<meta name="colorscheme" content="minimal">
<style type="text/css">
<!--
pre { white-space: pre-wrap; font-family: monospace; color: #aaaaaa; background-color: #080808; }
body { font-size: 12pt; font-family: monospace; color: #aaaaaa; background-color: #080808; }
a { color:#eeeeee; text-decoration: none; }
a:hover { text-decoration: underline; }
* { font-size: 12pt; font-size: 1em; }
.Constant { color: #00a0a0; }
.Special { color: #c00000; }
.muRecipe { color: #ff8700; }
.SalientComment { color: #00ffff; }
.Comment { color: #9090ff; }
.Comment a { color:#0000ee; text-decoration:underline; }
.Delimiter { color: #800080; }
.LineNr { color: #444444; }
.Identifier { color: #c0a020; }
.Normal { color: #aaaaaa; background-color: #080808; padding-bottom: 1px; }
.muData { color: #ffff00; }
.traceContains { color: #008000; }
.cSpecial { color: #008000; }
-->
</style>
<script type='text/javascript'>
<!--
/* function to open any folds containing a jumped-to line before jumping to it */
function JumpToLine()
{
var lineNum;
lineNum = window.location.hash;
lineNum = lineNum.substr(1); /* strip off '#' */
if (lineNum.indexOf('L') == -1) {
lineNum = 'L'+lineNum;
}
lineElem = document.getElementById(lineNum);
/* Always jump to new location even if the line was hidden inside a fold, or
* we corrected the raw number to a line ID.
*/
if (lineElem) {
lineElem.scrollIntoView(true);
}
return true;
}
if ('onhashchange' in window) {
window.onhashchange = JumpToLine;
}
-->
</script>
</head>
<body onload='JumpToLine();'>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr"> 1 </span><span class="Comment">//: Exclusive containers contain exactly one of a fixed number of 'variants'</span>
<span id="L2" class="LineNr"> 2 </span><span class="Comment">//: of different types.</span>
<span id="L3" class="LineNr"> 3 </span><span class="Comment">//:</span>
<span id="L4" class="LineNr"> 4 </span><span class="Comment">//: They also implicitly contain a tag describing precisely which variant is</span>
<span id="L5" class="LineNr"> 5 </span><span class="Comment">//: currently stored in them.</span>
<span id="L6" class="LineNr"> 6 </span>
<span id="L7" class="LineNr"> 7 </span><span class="Delimiter">:(before "End Mu Types Initialization")</span>
<span id="L8" class="LineNr"> 8 </span><span class="Comment">//: We'll use this container as a running example, with two number elements.</span>
<span id="L9" class="LineNr"> 9 </span><span class="Delimiter">{</span>
<span id="L10" class="LineNr"> 10 </span><a href='010vm.cc.html#L124'>type_ordinal</a> tmp = <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">"number-or-point"</span><span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
<span id="L11" class="LineNr"> 11 </span><a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Type<span class="Delimiter">,</span> tmp<span class="Delimiter">);</span> <span class="Comment">// initialize</span>
<span id="L12" class="LineNr"> 12 </span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> tmp<span class="Delimiter">).</span>kind = <a href='010vm.cc.html#L180'>EXCLUSIVE_CONTAINER</a><span class="Delimiter">;</span>
<span id="L13" class="LineNr"> 13 </span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> tmp<span class="Delimiter">).</span>name = <span class="Constant">"number-or-point"</span><span class="Delimiter">;</span>
<span id="L14" class="LineNr"> 14 </span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> tmp<span class="Delimiter">).</span>elements<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>reagent<span class="Delimiter">(</span><span class="Constant">"i:number"</span><span class="Delimiter">));</span>
<span id="L15" class="LineNr"> 15 </span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> tmp<span class="Delimiter">).</span>elements<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>reagent<span class="Delimiter">(</span><span class="Constant">"p:point"</span><span class="Delimiter">));</span>
<span id="L16" class="LineNr"> 16 </span><span class="Delimiter">}</span>
<span id="L17" class="LineNr"> 17 </span>
<span id="L18" class="LineNr"> 18 </span><span class="Comment">//: Tests in this layer often explicitly set up memory before reading it as an</span>
<span id="L19" class="LineNr"> 19 </span><span class="Comment">//: array. Don't do this in general. I'm tagging exceptions with /raw to keep</span>
<span id="L20" class="LineNr"> 20 </span><span class="Comment">//: checks in future layers from flagging them.</span>
<span id="L21" class="LineNr"> 21 </span><span class="Delimiter">:(scenario copy_exclusive_container)</span>
<span id="L22" class="LineNr"> 22 </span><span class="Comment"># Copying exclusive containers copies all their contents and an extra location for the tag.</span>
<span id="L23" class="LineNr"> 23 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L24" class="LineNr"> 24 </span> <span class="Constant">1</span>:num<span class="Special"> <- </span>copy <span class="Constant">1</span> <span class="Comment"># 'point' variant</span>
<span id="L25" class="LineNr"> 25 </span> <span class="Constant">2</span>:num<span class="Special"> <- </span>copy <span class="Constant">34</span>
<span id="L26" class="LineNr"> 26 </span> <span class="Constant">3</span>:num<span class="Special"> <- </span>copy <span class="Constant">35</span>
<span id="L27" class="LineNr"> 27 </span> <span class="Constant">4</span>:number-<span class="Normal">or</span>-point<span class="Special"> <- </span>copy <span class="Constant">1</span>:number-<span class="Normal">or</span>-point/unsafe
<span id="L28" class="LineNr"> 28 </span>]
<span id="L29" class="LineNr"> 29 </span><span class="traceContains">+mem: storing 1 in location 4</span>
<span id="L30" class="LineNr"> 30 </span><span class="traceContains">+mem: storing 34 in location 5</span>
<span id="L31" class="LineNr"> 31 </span><span class="traceContains">+mem: storing 35 in location 6</span>
<span id="L32" class="LineNr"> 32 </span>
<span id="L33" class="LineNr"> 33 </span><span class="Delimiter">:(before "End size_of(type) Special-cases")</span>
<span id="L34" class="LineNr"> 34 </span><span class="Normal">if</span> <span class="Delimiter">(</span>t<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L180'>EXCLUSIVE_CONTAINER</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L35" class="LineNr"> 35 </span> <span class="Comment">// Compute size_of Exclusive Container</span>
<span id="L36" class="LineNr"> 36 </span> <span class="Identifier">return</span> get<span class="Delimiter">(</span>Container_metadata<span class="Delimiter">,</span> type<span class="Delimiter">).</span>size<span class="Delimiter">;</span>
<span id="L37" class="LineNr"> 37 </span><span class="Delimiter">}</span>
<span id="L38" class="LineNr"> 38 </span><span class="Delimiter">:(before "End compute_container_sizes Atom Special-cases")</span>
<span id="L39" class="LineNr"> 39 </span><span class="Normal">if</span> <span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L180'>EXCLUSIVE_CONTAINER</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L40" class="LineNr"> 40 </span> <a href='033exclusive_container.cc.html#L44'>compute_exclusive_container_sizes</a><span class="Delimiter">(</span>info<span class="Delimiter">,</span> type<span class="Delimiter">,</span> pending_metadata<span class="Delimiter">,</span> location_for_error_messages<span class="Delimiter">);</span>
<span id="L41" class="LineNr"> 41 </span><span class="Delimiter">}</span>
<span id="L42" class="LineNr"> 42 </span>
<span id="L43" class="LineNr"> 43 </span><span class="Delimiter">:(code)</span>
<span id="L44" class="LineNr"> 44 </span><span class="Normal">void</span> <a href='033exclusive_container.cc.html#L44'>compute_exclusive_container_sizes</a><span class="Delimiter">(</span><span class="Normal">const</span> type_info& exclusive_container_info<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree* full_type<span class="Delimiter">,</span> set<type_tree>& pending_metadata<span class="Delimiter">,</span> <span class="Normal">const</span> string& location_for_error_messages<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L45" class="LineNr"> 45 </span> <span class="Comment">// size of an exclusive container is the size of its largest variant</span>
<span id="L46" class="LineNr"> 46 </span> <span class="Comment">// (So, like containers, it can only contain arrays if they're static and</span>
<span id="L47" class="LineNr"> 47 </span> <span class="Comment">// include their length in the type.)</span>
<span id="L48" class="LineNr"> 48 </span> container_metadata metadata<span class="Delimiter">;</span>
<span id="L49" class="LineNr"> 49 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>exclusive_container_info<span class="Delimiter">.</span>elements<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L50" class="LineNr"> 50 </span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> element = exclusive_container_info<span class="Delimiter">.</span>elements<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span id="L51" class="LineNr"> 51 </span> <span class="Comment">// Compute Exclusive Container Size(element, full_type)</span>
<span id="L52" class="LineNr"> 52 </span> compute_container_sizes<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">,</span> pending_metadata<span class="Delimiter">,</span> location_for_error_messages<span class="Delimiter">);</span>
<span id="L53" class="LineNr"> 53 </span> <span class="Normal">int</span> variant_size = size_of<span class="Delimiter">(</span>element<span class="Delimiter">);</span>
<span id="L54" class="LineNr"> 54 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>variant_size > metadata<span class="Delimiter">.</span>size<span class="Delimiter">)</span> metadata<span class="Delimiter">.</span>size = variant_size<span class="Delimiter">;</span>
<span id="L55" class="LineNr"> 55 </span> <span class="Delimiter">}</span>
<span id="L56" class="LineNr"> 56 </span> <span class="Comment">// ...+1 for its tag.</span>
<span id="L57" class="LineNr"> 57 </span> ++metadata<span class="Delimiter">.</span>size<span class="Delimiter">;</span>
<span id="L58" class="LineNr"> 58 </span> Container_metadata<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>pair<type_tree*<span class="Delimiter">,</span> container_metadata><span class="Delimiter">(</span><span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*full_type<span class="Delimiter">),</span> metadata<span class="Delimiter">));</span>
<span id="L59" class="LineNr"> 59 </span><span class="Delimiter">}</span>
<span id="L60" class="LineNr"> 60 </span>
<span id="L61" class="LineNr"> 61 </span><span class="SalientComment">//:: To access variants of an exclusive container, use 'maybe-convert'.</span>
<span id="L62" class="LineNr"> 62 </span><span class="Comment">//: It always returns an address (so that you can modify it) or null (to</span>
<span id="L63" class="LineNr"> 63 </span><span class="Comment">//: signal that the conversion failed (because the container contains a</span>
<span id="L64" class="LineNr"> 64 </span><span class="Comment">//: different variant).</span>
<span id="L65" class="LineNr"> 65 </span>
<span id="L66" class="LineNr"> 66 </span><span class="Comment">//: 'maybe-convert' requires a literal in ingredient 1. We'll use a synonym</span>
<span id="L67" class="LineNr"> 67 </span><span class="Comment">//: called 'variant'.</span>
<span id="L68" class="LineNr"> 68 </span><span class="Delimiter">:(before "End Mu Types Initialization")</span>
<span id="L69" class="LineNr"> 69 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">"variant"</span><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L70" class="LineNr"> 70 </span>
<span id="L71" class="LineNr"> 71 </span><span class="Delimiter">:(scenario maybe_convert)</span>
<span id="L72" class="LineNr"> 72 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L73" class="LineNr"> 73 </span> <span class="Constant">12</span>:num<span class="Special"> <- </span>copy <span class="Constant">1</span>
<span id="L74" class="LineNr"> 74 </span> <span class="Constant">13</span>:num<span class="Special"> <- </span>copy <span class="Constant">35</span>
<span id="L75" class="LineNr"> 75 </span> <span class="Constant">14</span>:num<span class="Special"> <- </span>copy <span class="Constant">36</span>
<span id="L76" class="LineNr"> 76 </span> <span class="Constant">20</span>:point<span class="Delimiter">,</span> <span class="Constant">22</span>:<span class="Normal">bool</span><span class="Special"> <- </span>maybe-convert <span class="Constant">12</span>:number-<span class="Normal">or</span>-point/unsafe<span class="Delimiter">,</span> <span class="Constant">1:variant</span>
<span id="L77" class="LineNr"> 77 </span>]
<span id="L78" class="LineNr"> 78 </span><span class="Comment"># boolean</span>
<span id="L79" class="LineNr"> 79 </span><span class="traceContains">+mem: storing 1 in location 22</span>
<span id="L80" class="LineNr"> 80 </span><span class="Comment"># point</span>
<span id="L81" class="LineNr"> 81 </span><span class="traceContains">+mem: storing 35 in location 20</span>
<span id="L82" class="LineNr"> 82 </span><span class="traceContains">+mem: storing 36 in location 21</span>
<span id="L83" class="LineNr"> 83 </span>
<span id="L84" class="LineNr"> 84 </span><span class="Delimiter">:(scenario maybe_convert_fail)</span>
<span id="L85" class="LineNr"> 85 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L86" class="LineNr"> 86 </span> <span class="Constant">12</span>:num<span class="Special"> <- </span>copy <span class="Constant">1</span>
<span id="L87" class="LineNr"> 87 </span> <span class="Constant">13</span>:num<span class="Special"> <- </span>copy <span class="Constant">35</span>
<span id="L88" class="LineNr"> 88 </span> <span class="Constant">14</span>:num<span class="Special"> <- </span>copy <span class="Constant">36</span>
<span id="L89" class="LineNr"> 89 </span> <span class="Constant">20</span>:num<span class="Delimiter">,</span> <span class="Constant">21</span>:<span class="Normal">bool</span><span class="Special"> <- </span>maybe-convert <span class="Constant">12</span>:number-<span class="Normal">or</span>-point/unsafe<span class="Delimiter">,</span> <span class="Constant">0:variant</span>
<span id="L90" class="LineNr"> 90 </span>]
<span id="L91" class="LineNr"> 91 </span><span class="Comment"># boolean</span>
<span id="L92" class="LineNr"> 92 </span><span class="traceContains">+mem: storing 0 in location 21</span>
<span id="L93" class="LineNr"> 93 </span><span class="Comment"># number: no write</span>
<span id="L94" class="LineNr"> 94 </span>
<span id="L95" class="LineNr"> 95 </span><span class="Delimiter">:(before "End Primitive Recipe Declarations")</span>
<span id="L96" class="LineNr"> 96 </span>MAYBE_CONVERT<span class="Delimiter">,</span>
<span id="L97" class="LineNr"> 97 </span><span class="Delimiter">:(before "End Primitive Recipe Numbers")</span>
<span id="L98" class="LineNr"> 98 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"maybe-convert"</span><span class="Delimiter">,</span> MAYBE_CONVERT<span class="Delimiter">);</span>
<span id="L99" class="LineNr"> 99 </span><span class="Delimiter">:(before "End Primitive Recipe Checks")</span>
<span id="L100" class="LineNr">100 </span><span class="Normal">case</span> MAYBE_CONVERT: <span class="Delimiter">{</span>
<span id="L101" class="LineNr">101 </span> <span class="Normal">const</span> recipe& caller = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
<span id="L102" class="LineNr">102 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L103" class="LineNr">103 </span> <a href='003trace.cc.html#L174'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"'maybe-convert' expects exactly 2 ingredients in '"</span> << to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
<span id="L104" class="LineNr">104 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L105" class="LineNr">105 </span> <span class="Delimiter">}</span>
<span id="L106" class="LineNr">106 </span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> base = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L107" class="LineNr">107 </span> <span class="Comment">// Update MAYBE_CONVERT base in Check</span>
<span id="L108" class="LineNr">108 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!base<span class="Delimiter">.</span>type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L109" class="LineNr">109 </span> <a href='003trace.cc.html#L174'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"first ingredient of 'maybe-convert' should be an exclusive-container, but got '"</span> << base<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
<span id="L110" class="LineNr">110 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L111" class="LineNr">111 </span> <span class="Delimiter">}</span>
<span id="L112" class="LineNr">112 </span> <span class="Normal">const</span> type_tree* base_type = base<span class="Delimiter">.</span>type<span class="Delimiter">;</span>
<span id="L113" class="LineNr">113 </span> <span class="Comment">// Update MAYBE_CONVERT base_type in Check</span>
<span id="L114" class="LineNr">114 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!base_type<span class="Delimiter">-></span>atom || base_type<span class="Delimiter">-></span>value == <span class="Constant">0</span> || !contains_key<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">-></span>value<span class="Delimiter">)</span> || get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">-></span>value<span class="Delimiter">).</span>kind != <a href='010vm.cc.html#L180'>EXCLUSIVE_CONTAINER</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L115" class="LineNr">115 </span> <a href='003trace.cc.html#L174'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"first ingredient of 'maybe-convert' should be an exclusive-container, but got '"</span> << base<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
<span id="L116" class="LineNr">116 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L117" class="LineNr">117 </span> <span class="Delimiter">}</span>
<span id="L118" class="LineNr">118 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_literal<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
<span id="L119" class="LineNr">119 </span> <a href='003trace.cc.html#L174'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"second ingredient of 'maybe-convert' should have type 'variant', but got '"</span> << inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
<span id="L120" class="LineNr">120 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L121" class="LineNr">121 </span> <span class="Delimiter">}</span>
<span id="L122" class="LineNr">122 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L123" class="LineNr">123 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L124" class="LineNr">124 </span> <a href='003trace.cc.html#L174'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"'maybe-convert' expects exactly 2 products in '"</span> << to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
<span id="L125" class="LineNr">125 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L126" class="LineNr">126 </span> <span class="Delimiter">}</span>
<span id="L127" class="LineNr">127 </span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> product = inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L128" class="LineNr">128 </span> <span class="Comment">// Update MAYBE_CONVERT product in Check</span>
<span id="L129" class="LineNr">129 </span> reagent& offset = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
<span id="L130" class="LineNr">130 </span> <a href='012transform.cc.html#L91'>populate_value</a><span class="Delimiter">(</span>offset<span class="Delimiter">);</span>
<span id="L131" class="LineNr">131 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>offset<span class="Delimiter">.</span>value >= <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">-></span>value<span class="Delimiter">).</span>elements<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L132" class="LineNr">132 </span> <a href='003trace.cc.html#L174'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"invalid tag "</span> << offset<span class="Delimiter">.</span>value << <span class="Constant">" in '"</span> << to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="cSpecial">'\n'</span> << end<span class="Delimiter">();</span>
<span id="L133" class="LineNr">133 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L134" class="LineNr">134 </span> <span class="Delimiter">}</span>
<span id="L135" class="LineNr">135 </span> <span class="Normal">const</span> reagent& variant = variant_type<span class="Delimiter">(</span>base<span class="Delimiter">,</span> offset<span class="Delimiter">.</span>value<span class="Delimiter">);</span>
<span id="L136" class="LineNr">136 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!types_coercible<span class="Delimiter">(</span>product<span class="Delimiter">,</span> variant<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L137" class="LineNr">137 </span> <a href='003trace.cc.html#L174'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"'maybe-convert "</span> << base<span class="Delimiter">.</span>original_string << <span class="Constant">", "</span> << inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>original_string << <span class="Constant">"' should write to "</span> << <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>type<span class="Delimiter">)</span> << <span class="Constant">" but '"</span> << product<span class="Delimiter">.</span>name << <span class="Constant">"' has type "</span> << <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>product<span class="Delimiter">.</span>type<span class="Delimiter">)</span> << <span class="cSpecial">'\n'</span> << <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
<span id="L138" class="LineNr">138 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L139" class="LineNr">139 </span> <span class="Delimiter">}</span>
<span id="L140" class="LineNr">140 </span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> status = inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
<span id="L141" class="LineNr">141 </span> <span class="Comment">// Update MAYBE_CONVERT status in Check</span>
<span id="L142" class="LineNr">142 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_boolean<span class="Delimiter">(</span>status<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L143" class="LineNr">143 </span> <a href='003trace.cc.html#L174'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"second product yielded by 'maybe-convert' should be a boolean, but tried to write to '"</span> << inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
<span id="L144" class="LineNr">144 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L145" class="LineNr">145 </span> <span class="Delimiter">}</span>
<span id="L146" class="LineNr">146 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L147" class="LineNr">147 </span><span class="Delimiter">}</span>
<span id="L148" class="LineNr">148 </span><span class="Delimiter">:(before "End Primitive Recipe Implementations")</span>
<span id="L149" class="LineNr">149 </span><span class="Normal">case</span> MAYBE_CONVERT: <span class="Delimiter">{</span>
<span id="L150" class="LineNr">150 </span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> base = <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L151" class="LineNr">151 </span> <span class="Comment">// Update MAYBE_CONVERT base in Run</span>
<span id="L152" class="LineNr">152 </span> <span class="Normal">int</span> base_address = base<span class="Delimiter">.</span>value<span class="Delimiter">;</span>
<span id="L153" class="LineNr">153 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>base_address == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L154" class="LineNr">154 </span> <a href='003trace.cc.html#L174'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> << <span class="Constant">"tried to access location 0 in '"</span> << to_original_string<span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</span> << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
<span id="L155" class="LineNr">155 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L156" class="LineNr">156 </span> <span class="Delimiter">}</span>
<span id="L157" class="LineNr">157 </span> <span class="Normal">int</span> tag = <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>value<span class="Delimiter">;</span>
<span id="L158" class="LineNr">158 </span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> product = <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L159" class="LineNr">159 </span> <span class="Comment">// Update MAYBE_CONVERT product in Run</span>
<span id="L160" class="LineNr">160 </span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> status = <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
<span id="L161" class="LineNr">161 </span> <span class="Comment">// Update MAYBE_CONVERT status in Run</span>
<span id="L162" class="LineNr">162 </span> <span class="Comment">// optimization: directly write results to only update first product when necessary</span>
<span id="L163" class="LineNr">163 </span> write_products = <span class="Constant">false</span><span class="Delimiter">;</span>
<span id="L164" class="LineNr">164 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>tag == <span class="Normal">static_cast</span><<span class="Normal">int</span>><span class="Delimiter">(</span><a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> base_address<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
<span id="L165" class="LineNr">165 </span> <span class="Normal">const</span> reagent& variant = variant_type<span class="Delimiter">(</span>base<span class="Delimiter">,</span> tag<span class="Delimiter">);</span>
<span id="L166" class="LineNr">166 </span> <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">"mem"</span><span class="Delimiter">)</span> << <span class="Constant">"storing 1 in location "</span> << status<span class="Delimiter">.</span>value << <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
<span id="L167" class="LineNr">167 </span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> status<span class="Delimiter">.</span>value<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
<span id="L168" class="LineNr">168 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_dummy<span class="Delimiter">(</span>product<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L169" class="LineNr">169 </span> <span class="Comment">// Write Memory in Successful MAYBE_CONVERT in Run</span>
<span id="L170" class="LineNr">170 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < size_of<span class="Delimiter">(</span>variant<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L171" class="LineNr">171 </span> <span class="Normal">double</span> val = <a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> base_address+<span class="Comment">/*</span><span class="Comment">skip tag</span><span class="Comment">*/</span><span class="Constant">1</span>+i<span class="Delimiter">);</span>
<span id="L172" class="LineNr">172 </span> <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">"mem"</span><span class="Delimiter">)</span> << <span class="Constant">"storing "</span> << no_scientific<span class="Delimiter">(</span>val<span class="Delimiter">)</span> << <span class="Constant">" in location "</span> << product<span class="Delimiter">.</span>value+i << <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
<span id="L173" class="LineNr">173 </span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> product<span class="Delimiter">.</span>value+i<span class="Delimiter">,</span> val<span class="Delimiter">);</span>
<span id="L174" class="LineNr">174 </span> <span class="Delimiter">}</span>
<span id="L175" class="LineNr">175 </span> <span class="Delimiter">}</span>
<span id="L176" class="LineNr">176 </span> <span class="Delimiter">}</span>
<span id="L177" class="LineNr">177 </span> <span class="Normal">else</span> <span class="Delimiter">{</span>
<span id="L178" class="LineNr">178 </span> <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">"mem"</span><span class="Delimiter">)</span> << <span class="Constant">"storing 0 in location "</span> << status<span class="Delimiter">.</span>value << <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
<span id="L179" class="LineNr">179 </span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> status<span class="Delimiter">.</span>value<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L180" class="LineNr">180 </span> <span class="Delimiter">}</span>
<span id="L181" class="LineNr">181 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L182" class="LineNr">182 </span><span class="Delimiter">}</span>
<span id="L183" class="LineNr">183 </span>
<span id="L184" class="LineNr">184 </span><span class="Delimiter">:(code)</span>
<span id="L185" class="LineNr">185 </span><span class="Normal">const</span> reagent variant_type<span class="Delimiter">(</span><span class="Normal">const</span> reagent& base<span class="Delimiter">,</span> <span class="Normal">int</span> tag<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L186" class="LineNr">186 </span> <span class="Identifier">return</span> variant_type<span class="Delimiter">(</span>base<span class="Delimiter">.</span>type<span class="Delimiter">,</span> tag<span class="Delimiter">);</span>
<span id="L187" class="LineNr">187 </span><span class="Delimiter">}</span>
<span id="L188" class="LineNr">188 </span>
<span id="L189" class="LineNr">189 </span><span class="Normal">const</span> reagent variant_type<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">,</span> <span class="Normal">int</span> tag<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L190" class="LineNr">190 </span> assert<span class="Delimiter">(</span>tag >= <span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L191" class="LineNr">191 </span> <span class="Normal">const</span> type_tree* root_type = type<span class="Delimiter">-></span>atom ? type : type<span class="Delimiter">-></span>left<span class="Delimiter">;</span>
<span id="L192" class="LineNr">192 </span> assert<span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> root_type<span class="Delimiter">-></span>value<span class="Delimiter">));</span>
<span id="L193" class="LineNr">193 </span> assert<span class="Delimiter">(</span>!get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> root_type<span class="Delimiter">-></span>value<span class="Delimiter">).</span>name<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
<span id="L194" class="LineNr">194 </span> <span class="Normal">const</span> type_info& info = get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> root_type<span class="Delimiter">-></span>value<span class="Delimiter">);</span>
<span id="L195" class="LineNr">195 </span> assert<span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L180'>EXCLUSIVE_CONTAINER</a><span class="Delimiter">);</span>
<span id="L196" class="LineNr">196 </span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> element = info<span class="Delimiter">.</span>elements<span class="Delimiter">.</span>at<span class="Delimiter">(</span>tag<span class="Delimiter">);</span>
<span id="L197" class="LineNr">197 </span> <span class="Comment">// End variant_type Special-cases</span>
<span id="L198" class="LineNr">198 </span> <span class="Identifier">return</span> element<span class="Delimiter">;</span>
<span id="L199" class="LineNr">199 </span><span class="Delimiter">}</span>
<span id="L200" class="LineNr">200 </span>
<span id="L201" class="LineNr">201 </span><span class="Delimiter">:(scenario maybe_convert_product_type_mismatch)</span>
<span id="L202" class="LineNr">202 </span><span class="Special">% Hide_errors = true;</span>
<span id="L203" class="LineNr">203 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L204" class="LineNr">204 </span> <span class="Constant">12</span>:num<span class="Special"> <- </span>copy <span class="Constant">1</span>
<span id="L205" class="LineNr">205 </span> <span class="Constant">13</span>:num<span class="Special"> <- </span>copy <span class="Constant">35</span>
<span id="L206" class="LineNr">206 </span> <span class="Constant">14</span>:num<span class="Special"> <- </span>copy <span class="Constant">36</span>
<span id="L207" class="LineNr">207 </span> <span class="Constant">20</span>:num<span class="Delimiter">,</span> <span class="Constant">21</span>:<span class="Normal">bool</span><span class="Special"> <- </span>maybe-convert <span class="Constant">12</span>:number-<span class="Normal">or</span>-point/unsafe<span class="Delimiter">,</span> <span class="Constant">1:variant</span>
<span id="L208" class="LineNr">208 </span>]
<span id="L209" class="LineNr">209 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: 'maybe-convert 12:number-or-point/unsafe, 1:variant' should write to point but '20' has type number</span>
<span id="L210" class="LineNr">210 </span>
<span id="L211" class="LineNr">211 </span><span class="Delimiter">:(scenario maybe_convert_dummy_product)</span>
<span id="L212" class="LineNr">212 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L213" class="LineNr">213 </span> <span class="Constant">12</span>:num<span class="Special"> <- </span>copy <span class="Constant">1</span>
<span id="L214" class="LineNr">214 </span> <span class="Constant">13</span>:num<span class="Special"> <- </span>copy <span class="Constant">35</span>
<span id="L215" class="LineNr">215 </span> <span class="Constant">14</span>:num<span class="Special"> <- </span>copy <span class="Constant">36</span>
<span id="L216" class="LineNr">216 </span> _<span class="Delimiter">,</span> <span class="Constant">21</span>:<span class="Normal">bool</span><span class="Special"> <- </span>maybe-convert <span class="Constant">12</span>:number-<span class="Normal">or</span>-point/unsafe<span class="Delimiter">,</span> <span class="Constant">1:variant</span>
<span id="L217" class="LineNr">217 </span>]
<span id="L218" class="LineNr">218 </span>$error: <span class="Constant">0</span>
<span id="L219" class="LineNr">219 </span>
<span id="L220" class="LineNr">220 </span><span class="SalientComment">//:: Allow exclusive containers to be defined in Mu code.</span>
<span id="L221" class="LineNr">221 </span>
<span id="L222" class="LineNr">222 </span><span class="Delimiter">:(scenario exclusive_container)</span>
<span id="L223" class="LineNr">223 </span><span class="muData">exclusive-container</span> foo [
<span id="L224" class="LineNr">224 </span> <span class="Normal">x</span>:num
<span id="L225" class="LineNr">225 </span> <span class="Normal">y</span>:num
<span id="L226" class="LineNr">226 </span>]
<span id="L227" class="LineNr">227 </span><span class="traceContains">+parse: --- defining exclusive-container foo</span>
<span id="L228" class="LineNr">228 </span><span class="traceContains">+parse: element: {x: "number"}</span>
<span id="L229" class="LineNr">229 </span><span class="traceContains">+parse: element: {y: "number"}</span>
<span id="L230" class="LineNr">230 </span>
<span id="L231" class="LineNr">231 </span><span class="Delimiter">:(before "End Command Handlers")</span>
<span id="L232" class="LineNr">232 </span><span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>command == <span class="Constant">"exclusive-container"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L233" class="LineNr">233 </span> <a href='030container.cc.html#L661'>insert_container</a><span class="Delimiter">(</span>command<span class="Delimiter">,</span> <a href='010vm.cc.html#L180'>EXCLUSIVE_CONTAINER</a><span class="Delimiter">,</span> in<span class="Delimiter">);</span>
<span id="L234" class="LineNr">234 </span><span class="Delimiter">}</span>
<span id="L235" class="LineNr">235 </span>
<span id="L236" class="LineNr">236 </span><span class="Comment">//: arrays are disallowed inside exclusive containers unless their length is</span>
<span id="L237" class="LineNr">237 </span><span class="Comment">//: fixed in advance</span>
<span id="L238" class="LineNr">238 </span>
<span id="L239" class="LineNr">239 </span><span class="Delimiter">:(scenario exclusive_container_contains_array)</span>
<span id="L240" class="LineNr">240 </span><span class="muData">exclusive-container</span> foo [
<span id="L241" class="LineNr">241 </span> <span class="Normal">x</span>:array:num:<span class="Constant">3</span>
<span id="L242" class="LineNr">242 </span>]
<span id="L243" class="LineNr">243 </span>$error: <span class="Constant">0</span>
<span id="L244" class="LineNr">244 </span>
<span id="L245" class="LineNr">245 </span><span class="Delimiter">:(scenario exclusive_container_disallows_dynamic_array_element)</span>
<span id="L246" class="LineNr">246 </span><span class="Special">% Hide_errors = true;</span>
<span id="L247" class="LineNr">247 </span><span class="muData">exclusive-container</span> foo [
<span id="L248" class="LineNr">248 </span> <span class="Normal">x</span>:array:num
<span id="L249" class="LineNr">249 </span>]
<span id="L250" class="LineNr">250 </span><span class="traceContains">+error: container 'foo' cannot determine size of element 'x'</span>
<span id="L251" class="LineNr">251 </span>
<span id="L252" class="LineNr">252 </span><span class="SalientComment">//:: To construct exclusive containers out of variant types, use 'merge'.</span>
<span id="L253" class="LineNr">253 </span><span class="Delimiter">:(scenario lift_to_exclusive_container)</span>
<span id="L254" class="LineNr">254 </span><span class="muData">exclusive-container</span> foo [
<span id="L255" class="LineNr">255 </span> <span class="Normal">x</span>:num
<span id="L256" class="LineNr">256 </span> <span class="Normal">y</span>:num
<span id="L257" class="LineNr">257 </span>]
<span id="L258" class="LineNr">258 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L259" class="LineNr">259 </span> <span class="Constant">1</span>:num<span class="Special"> <- </span>copy <span class="Constant">34</span>
<span id="L260" class="LineNr">260 </span> <span class="Constant">2</span>:foo<span class="Special"> <- </span>merge <span class="Constant">0</span>/x<span class="Delimiter">,</span> <span class="Constant">1</span>:num <span class="Comment"># tag must be a literal when merging exclusive containers</span>
<span id="L261" class="LineNr">261 </span> <span class="Constant">4</span>:foo<span class="Special"> <- </span>merge <span class="Constant">1</span>/y<span class="Delimiter">,</span> <span class="Constant">1</span>:num
<span id="L262" class="LineNr">262 </span>]
<span id="L263" class="LineNr">263 </span><span class="traceContains">+mem: storing 0 in location 2</span>
<span id="L264" class="LineNr">264 </span><span class="traceContains">+mem: storing 34 in location 3</span>
<span id="L265" class="LineNr">265 </span><span class="traceContains">+mem: storing 1 in location 4</span>
<span id="L266" class="LineNr">266 </span><span class="traceContains">+mem: storing 34 in location 5</span>
<span id="L267" class="LineNr">267 </span>
<span id="L268" class="LineNr">268 </span><span class="Comment">//: type-checking for 'merge' on exclusive containers</span>
<span id="L269" class="LineNr">269 </span>
<span id="L270" class="LineNr">270 </span><span class="Delimiter">:(scenario merge_handles_exclusive_container)</span>
<span id="L271" class="LineNr">271 </span><span class="muData">exclusive-container</span> foo [
<span id="L272" class="LineNr">272 </span> <span class="Normal">x</span>:num
<span id="L273" class="LineNr">273 </span> <span class="Normal">y</span>:bar
<span id="L274" class="LineNr">274 </span>]
<span id="L275" class="LineNr">275 </span><span class="muData">container</span> bar [
<span id="L276" class="LineNr">276 </span> <span class="Normal">z</span>:num
<span id="L277" class="LineNr">277 </span>]
<span id="L278" class="LineNr">278 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L279" class="LineNr">279 </span> <span class="Constant">1</span>:foo<span class="Special"> <- </span>merge <span class="Constant">0</span>/x<span class="Delimiter">,</span> <span class="Constant">34</span>
<span id="L280" class="LineNr">280 </span>]
<span id="L281" class="LineNr">281 </span><span class="traceContains">+mem: storing 0 in location 1</span>
<span id="L282" class="LineNr">282 </span><span class="traceContains">+mem: storing 34 in location 2</span>
<span id="L283" class="LineNr">283 </span>$error: <span class="Constant">0</span>
<span id="L284" class="LineNr">284 </span>
<span id="L285" class="LineNr">285 </span><span class="Delimiter">:(scenario merge_requires_literal_tag_for_exclusive_container)</span>
<span id="L286" class="LineNr">286 </span><span class="Special">% Hide_errors = true;</span>
<span id="L287" class="LineNr">287 </span><span class="muData">exclusive-container</span> foo [
<span id="L288" class="LineNr">288 </span> <span class="Normal">x</span>:num
<span id="L289" class="LineNr">289 </span> <span class="Normal">y</span>:bar
<span id="L290" class="LineNr">290 </span>]
<span id="L291" class="LineNr">291 </span><span class="muData">container</span> bar [
<span id="L292" class="LineNr">292 </span> <span class="Normal">z</span>:num
<span id="L293" class="LineNr">293 </span>]
<span id="L294" class="LineNr">294 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L295" class="LineNr">295 </span> <span class="Constant">1</span>:num<span class="Special"> <- </span>copy <span class="Constant">0</span>
<span id="L296" class="LineNr">296 </span> <span class="Constant">2</span>:foo<span class="Special"> <- </span>merge <span class="Constant">1</span>:num<span class="Delimiter">,</span> <span class="Constant">34</span>
<span id="L297" class="LineNr">297 </span>]
<span id="L298" class="LineNr">298 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: ingredient 0 of 'merge' should be a literal, for the tag of exclusive-container 'foo' in '2:foo <- merge 1:num, 34'</span>
<span id="L299" class="LineNr">299 </span>
<span id="L300" class="LineNr">300 </span><span class="Delimiter">:(scenario merge_handles_exclusive_container_inside_exclusive_container)</span>
<span id="L301" class="LineNr">301 </span><span class="muData">exclusive-container</span> foo [
<span id="L302" class="LineNr">302 </span> <span class="Normal">x</span>:num
<span id="L303" class="LineNr">303 </span> <span class="Normal">y</span>:bar
<span id="L304" class="LineNr">304 </span>]
<span id="L305" class="LineNr">305 </span><span class="muData">exclusive-container</span> bar [
<span id="L306" class="LineNr">306 </span> <span class="Normal">a</span>:num
<span id="L307" class="LineNr">307 </span> <span class="Normal">b</span>:num
<span id="L308" class="LineNr">308 </span>]
<span id="L309" class="LineNr">309 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L310" class="LineNr">310 </span> <span class="Constant">1</span>:num<span class="Special"> <- </span>copy <span class="Constant">0</span>
<span id="L311" class="LineNr">311 </span> <span class="Constant">2</span>:bar<span class="Special"> <- </span>merge <span class="Constant">0</span>/a<span class="Delimiter">,</span> <span class="Constant">34</span>
<span id="L312" class="LineNr">312 </span> <span class="Constant">4</span>:foo<span class="Special"> <- </span>merge <span class="Constant">1</span>/y<span class="Delimiter">,</span> <span class="Constant">2</span>:bar
<span id="L313" class="LineNr">313 </span>]
<span id="L314" class="LineNr">314 </span><span class="traceContains">+mem: storing 0 in location 5</span>
<span id="L315" class="LineNr">315 </span><span class="traceContains">+mem: storing 34 in location 6</span>
<span id="L316" class="LineNr">316 </span>$error: <span class="Constant">0</span>
<span id="L317" class="LineNr">317 </span>
<span id="L318" class="LineNr">318 </span><span class="Delimiter">:(before "End <a href='031merge.cc.html#L142'>check_merge_call</a> Special-cases")</span>
<span id="L319" class="LineNr">319 </span><span class="Normal">case</span> <a href='010vm.cc.html#L180'>EXCLUSIVE_CONTAINER</a>: <span class="Delimiter">{</span>
<span id="L320" class="LineNr">320 </span> assert<span class="Delimiter">(</span>state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>top<span class="Delimiter">().</span>container_element_index == <span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L321" class="LineNr">321 </span> <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"checking exclusive container "</span> << <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>container<span class="Delimiter">)</span> << <span class="Constant">" vs ingredient "</span> << ingredient_index << <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
<span id="L322" class="LineNr">322 </span> <span class="Comment">// easy case: exact match</span>
<span id="L323" class="LineNr">323 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>types_strictly_match<span class="Delimiter">(</span>container<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>ingredient_index<span class="Delimiter">)))</span>
<span id="L324" class="LineNr">324 </span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L325" class="LineNr">325 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_literal<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>ingredient_index<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
<span id="L326" class="LineNr">326 </span> <a href='003trace.cc.html#L174'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"ingredient "</span> << ingredient_index << <span class="Constant">" of 'merge' should be a literal, for the tag of exclusive-container '"</span> << container_info<span class="Delimiter">.</span>name << <span class="Constant">"' in '"</span> << to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
<span id="L327" class="LineNr">327 </span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L328" class="LineNr">328 </span> <span class="Delimiter">}</span>
<span id="L329" class="LineNr">329 </span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> ingredient = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>ingredient_index<span class="Delimiter">);</span> <span class="Comment">// unnecessary copy just to keep this function from modifying caller</span>
<span id="L330" class="LineNr">330 </span> <a href='012transform.cc.html#L91'>populate_value</a><span class="Delimiter">(</span>ingredient<span class="Delimiter">);</span>
<span id="L331" class="LineNr">331 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>ingredient<span class="Delimiter">.</span>value >= <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>container_info<span class="Delimiter">.</span>elements<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L332" class="LineNr">332 </span> <a href='003trace.cc.html#L174'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"invalid tag at "</span> << ingredient_index << <span class="Constant">" for '"</span> << container_info<span class="Delimiter">.</span>name << <span class="Constant">"' in '"</span> << to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
<span id="L333" class="LineNr">333 </span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L334" class="LineNr">334 </span> <span class="Delimiter">}</span>
<span id="L335" class="LineNr">335 </span> <span class="Normal">const</span> reagent& variant = variant_type<span class="Delimiter">(</span>container<span class="Delimiter">,</span> ingredient<span class="Delimiter">.</span>value<span class="Delimiter">);</span>
<span id="L336" class="LineNr">336 </span> <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"tag: "</span> << ingredient<span class="Delimiter">.</span>value << <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
<span id="L337" class="LineNr">337 </span> <span class="Comment">// replace union with its variant</span>
<span id="L338" class="LineNr">338 </span> state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>pop<span class="Delimiter">();</span>
<span id="L339" class="LineNr">339 </span> state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>push<span class="Delimiter">(</span>merge_check_point<span class="Delimiter">(</span>variant<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">));</span>
<span id="L340" class="LineNr">340 </span> ++ingredient_index<span class="Delimiter">;</span>
<span id="L341" class="LineNr">341 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L342" class="LineNr">342 </span><span class="Delimiter">}</span>
<span id="L343" class="LineNr">343 </span>
<span id="L344" class="LineNr">344 </span><span class="Delimiter">:(scenario merge_check_container_containing_exclusive_container)</span>
<span id="L345" class="LineNr">345 </span><span class="muData">container</span> foo [
<span id="L346" class="LineNr">346 </span> <span class="Normal">x</span>:num
<span id="L347" class="LineNr">347 </span> <span class="Normal">y</span>:bar
<span id="L348" class="LineNr">348 </span>]
<span id="L349" class="LineNr">349 </span><span class="muData">exclusive-container</span> bar [
<span id="L350" class="LineNr">350 </span> <span class="Normal">x</span>:num
<span id="L351" class="LineNr">351 </span> <span class="Normal">y</span>:num
<span id="L352" class="LineNr">352 </span>]
<span id="L353" class="LineNr">353 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L354" class="LineNr">354 </span> <span class="Constant">1</span>:foo<span class="Special"> <- </span>merge <span class="Constant">23</span><span class="Delimiter">,</span> <span class="Constant">1</span>/y<span class="Delimiter">,</span> <span class="Constant">34</span>
<span id="L355" class="LineNr">355 </span>]
<span id="L356" class="LineNr">356 </span><span class="traceContains">+mem: storing 23 in location 1</span>
<span id="L357" class="LineNr">357 </span><span class="traceContains">+mem: storing 1 in location 2</span>
<span id="L358" class="LineNr">358 </span><span class="traceContains">+mem: storing 34 in location 3</span>
<span id="L359" class="LineNr">359 </span>$error: <span class="Constant">0</span>
<span id="L360" class="LineNr">360 </span>
<span id="L361" class="LineNr">361 </span><span class="Delimiter">:(scenario merge_check_container_containing_exclusive_container_2)</span>
<span id="L362" class="LineNr">362 </span><span class="Special">% Hide_errors = true;</span>
<span id="L363" class="LineNr">363 </span><span class="muData">container</span> foo [
<span id="L364" class="LineNr">364 </span> <span class="Normal">x</span>:num
<span id="L365" class="LineNr">365 </span> <span class="Normal">y</span>:bar
<span id="L366" class="LineNr">366 </span>]
<span id="L367" class="LineNr">367 </span><span class="muData">exclusive-container</span> bar [
<span id="L368" class="LineNr">368 </span> <span class="Normal">x</span>:num
<span id="L369" class="LineNr">369 </span> <span class="Normal">y</span>:num
<span id="L370" class="LineNr">370 </span>]
<span id="L371" class="LineNr">371 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L372" class="LineNr">372 </span> <span class="Constant">1</span>:foo<span class="Special"> <- </span>merge <span class="Constant">23</span><span class="Delimiter">,</span> <span class="Constant">1</span>/y<span class="Delimiter">,</span> <span class="Constant">34</span><span class="Delimiter">,</span> <span class="Constant">35</span>
<span id="L373" class="LineNr">373 </span>]
<span id="L374" class="LineNr">374 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: too many ingredients in '1:foo <- merge 23, 1/y, 34, 35'</span>
<span id="L375" class="LineNr">375 </span>
<span id="L376" class="LineNr">376 </span><span class="Delimiter">:(scenario merge_check_exclusive_container_containing_container)</span>
<span id="L377" class="LineNr">377 </span><span class="muData">exclusive-container</span> foo [
<span id="L378" class="LineNr">378 </span> <span class="Normal">x</span>:num
<span id="L379" class="LineNr">379 </span> <span class="Normal">y</span>:bar
<span id="L380" class="LineNr">380 </span>]
<span id="L381" class="LineNr">381 </span><span class="muData">container</span> bar [
<span id="L382" class="LineNr">382 </span> <span class="Normal">x</span>:num
<span id="L383" class="LineNr">383 </span> <span class="Normal">y</span>:num
<span id="L384" class="LineNr">384 </span>]
<span id="L385" class="LineNr">385 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L386" class="LineNr">386 </span> <span class="Constant">1</span>:foo<span class="Special"> <- </span>merge <span class="Constant">1</span>/y<span class="Delimiter">,</span> <span class="Constant">23</span><span class="Delimiter">,</span> <span class="Constant">34</span>
<span id="L387" class="LineNr">387 </span>]
<span id="L388" class="LineNr">388 </span><span class="traceContains">+mem: storing 1 in location 1</span>
<span id="L389" class="LineNr">389 </span><span class="traceContains">+mem: storing 23 in location 2</span>
<span id="L390" class="LineNr">390 </span><span class="traceContains">+mem: storing 34 in location 3</span>
<span id="L391" class="LineNr">391 </span>$error: <span class="Constant">0</span>
<span id="L392" class="LineNr">392 </span>
<span id="L393" class="LineNr">393 </span><span class="Delimiter">:(scenario merge_check_exclusive_container_containing_container_2)</span>
<span id="L394" class="LineNr">394 </span><span class="muData">exclusive-container</span> foo [
<span id="L395" class="LineNr">395 </span> <span class="Normal">x</span>:num
<span id="L396" class="LineNr">396 </span> <span class="Normal">y</span>:bar
<span id="L397" class="LineNr">397 </span>]
<span id="L398" class="LineNr">398 </span><span class="muData">container</span> bar [
<span id="L399" class="LineNr">399 </span> <span class="Normal">x</span>:num
<span id="L400" class="LineNr">400 </span> <span class="Normal">y</span>:num
<span id="L401" class="LineNr">401 </span>]
<span id="L402" class="LineNr">402 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L403" class="LineNr">403 </span> <span class="Constant">1</span>:foo<span class="Special"> <- </span>merge <span class="Constant">0</span>/x<span class="Delimiter">,</span> <span class="Constant">23</span>
<span id="L404" class="LineNr">404 </span>]
<span id="L405" class="LineNr">405 </span>$error: <span class="Constant">0</span>
<span id="L406" class="LineNr">406 </span>
<span id="L407" class="LineNr">407 </span><span class="Delimiter">:(scenario merge_check_exclusive_container_containing_container_3)</span>
<span id="L408" class="LineNr">408 </span><span class="Special">% Hide_errors = true;</span>
<span id="L409" class="LineNr">409 </span><span class="muData">exclusive-container</span> foo [
<span id="L410" class="LineNr">410 </span> <span class="Normal">x</span>:num
<span id="L411" class="LineNr">411 </span> <span class="Normal">y</span>:bar
<span id="L412" class="LineNr">412 </span>]
<span id="L413" class="LineNr">413 </span><span class="muData">container</span> bar [
<span id="L414" class="LineNr">414 </span> <span class="Normal">x</span>:num
<span id="L415" class="LineNr">415 </span> <span class="Normal">y</span>:num
<span id="L416" class="LineNr">416 </span>]
<span id="L417" class="LineNr">417 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L418" class="LineNr">418 </span> <span class="Constant">1</span>:foo<span class="Special"> <- </span>merge <span class="Constant">1</span>/y<span class="Delimiter">,</span> <span class="Constant">23</span>
<span id="L419" class="LineNr">419 </span>]
<span id="L420" class="LineNr">420 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: too few ingredients in '1:foo <- merge 1/y, 23'</span>
<span id="L421" class="LineNr">421 </span>
<span id="L422" class="LineNr">422 </span><span class="Delimiter">:(scenario merge_check_exclusive_container_containing_container_4)</span>
<span id="L423" class="LineNr">423 </span><span class="muData">exclusive-container</span> foo [
<span id="L424" class="LineNr">424 </span> <span class="Normal">x</span>:num
<span id="L425" class="LineNr">425 </span> <span class="Normal">y</span>:bar
<span id="L426" class="LineNr">426 </span>]
<span id="L427" class="LineNr">427 </span><span class="muData">container</span> bar [
<span id="L428" class="LineNr">428 </span> <span class="Normal">a</span>:num
<span id="L429" class="LineNr">429 </span> <span class="Normal">b</span>:num
<span id="L430" class="LineNr">430 </span>]
<span id="L431" class="LineNr">431 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L432" class="LineNr">432 </span> <span class="Constant">1</span>:bar<span class="Special"> <- </span>merge <span class="Constant">23</span><span class="Delimiter">,</span> <span class="Constant">24</span>
<span id="L433" class="LineNr">433 </span> <span class="Constant">3</span>:foo<span class="Special"> <- </span>merge <span class="Constant">1</span>/y<span class="Delimiter">,</span> <span class="Constant">1</span>:bar
<span id="L434" class="LineNr">434 </span>]
<span id="L435" class="LineNr">435 </span>$error: <span class="Constant">0</span>
<span id="L436" class="LineNr">436 </span>
<span id="L437" class="LineNr">437 </span><span class="Comment">//: Since the different variants of an exclusive-container might have</span>
<span id="L438" class="LineNr">438 </span><span class="Comment">//: different sizes, relax the size mismatch check for 'merge' instructions.</span>
<span id="L439" class="LineNr">439 </span><span class="Delimiter">:(before "End size_mismatch(x) Special-cases")</span>
<span id="L440" class="LineNr">440 </span><span class="Normal">if</span> <span class="Delimiter">(</span><a href='026call.cc.html#L84'>current_step_index</a><span class="Delimiter">()</span> < <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Current_routine<span class="Delimiter">-></span>steps<span class="Delimiter">())</span>
<span id="L441" class="LineNr">441 </span> && <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>operation == MERGE
<span id="L442" class="LineNr">442 </span> && !current_instruction<span class="Delimiter">().</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">()</span>
<span id="L443" class="LineNr">443 </span> && <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L444" class="LineNr">444 </span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> x = <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L445" class="LineNr">445 </span> <span class="Comment">// Update size_mismatch Check for MERGE(x)</span>
<span id="L446" class="LineNr">446 </span> <span class="Normal">const</span> type_tree* root_type = x<span class="Delimiter">.</span>type<span class="Delimiter">-></span>atom ? x<span class="Delimiter">.</span>type : x<span class="Delimiter">.</span>type<span class="Delimiter">-></span>left<span class="Delimiter">;</span>
<span id="L447" class="LineNr">447 </span> assert<span class="Delimiter">(</span>root_type<span class="Delimiter">-></span>atom<span class="Delimiter">);</span>
<span id="L448" class="LineNr">448 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> root_type<span class="Delimiter">-></span>value<span class="Delimiter">).</span>kind == <a href='010vm.cc.html#L180'>EXCLUSIVE_CONTAINER</a><span class="Delimiter">)</span>
<span id="L449" class="LineNr">449 </span> <span class="Identifier">return</span> size_of<span class="Delimiter">(</span>x<span class="Delimiter">)</span> < <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>data<span class="Delimiter">);</span>
<span id="L450" class="LineNr">450 </span><span class="Delimiter">}</span>
<span id="L451" class="LineNr">451 </span>
<span id="L452" class="LineNr">452 </span><span class="Delimiter">:(scenario merge_exclusive_container_with_mismatched_sizes)</span>
<span id="L453" class="LineNr">453 </span><span class="muData">container</span> foo [
<span id="L454" class="LineNr">454 </span> <span class="Normal">x</span>:num
<span id="L455" class="LineNr">455 </span> <span class="Normal">y</span>:num
<span id="L456" class="LineNr">456 </span>]
<span id="L457" class="LineNr">457 </span><span class="muData">exclusive-container</span> bar [
<span id="L458" class="LineNr">458 </span> <span class="Normal">x</span>:num
<span id="L459" class="LineNr">459 </span> <span class="Normal">y</span>:foo
<span id="L460" class="LineNr">460 </span>]
<span id="L461" class="LineNr">461 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L462" class="LineNr">462 </span> <span class="Constant">1</span>:num<span class="Special"> <- </span>copy <span class="Constant">34</span>
<span id="L463" class="LineNr">463 </span> <span class="Constant">2</span>:num<span class="Special"> <- </span>copy <span class="Constant">35</span>
<span id="L464" class="LineNr">464 </span> <span class="Constant">3</span>:bar<span class="Special"> <- </span>merge <span class="Constant">0</span>/x<span class="Delimiter">,</span> <span class="Constant">1</span>:num
<span id="L465" class="LineNr">465 </span> <span class="Constant">6</span>:bar<span class="Special"> <- </span>merge <span class="Constant">1</span>/foo<span class="Delimiter">,</span> <span class="Constant">1</span>:num<span class="Delimiter">,</span> <span class="Constant">2</span>:num
<span id="L466" class="LineNr">466 </span>]
<span id="L467" class="LineNr">467 </span><span class="traceContains">+mem: storing 0 in location 3</span>
<span id="L468" class="LineNr">468 </span><span class="traceContains">+mem: storing 34 in location 4</span>
<span id="L469" class="LineNr">469 </span><span class="Comment"># bar is always 3 large so location 5 is skipped</span>
<span id="L470" class="LineNr">470 </span><span class="traceContains">+mem: storing 1 in location 6</span>
<span id="L471" class="LineNr">471 </span><span class="traceContains">+mem: storing 34 in location 7</span>
<span id="L472" class="LineNr">472 </span><span class="traceContains">+mem: storing 35 in location 8</span>
</pre>
</body>
</html>
<!-- vim: set foldmethod=manual : -->
|