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
|
<!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 - 058shape_shifting_container.cc</title>
<meta name="Generator" content="Vim/7.4">
<meta name="plugin-version" content="vim7.4_v1">
<meta name="syntax" content="cpp">
<meta name="settings" content="use_css,pre_wrap,no_foldcolumn,expand_tabs,prevent_copy=">
<meta name="colorscheme" content="minimal">
<style type="text/css">
<!--
pre { white-space: pre-wrap; font-family: monospace; color: #eeeeee; background-color: #080808; }
body { font-family: monospace; color: #eeeeee; background-color: #080808; }
* { font-size: 1.05em; }
.traceContains { color: #008000; }
.Special { color: #ff6060; }
.cSpecial { color: #008000; }
.Constant { color: #00a0a0; }
.Comment { color: #9090ff; }
.Delimiter { color: #a04060; }
.SalientComment { color: #00ffff; }
.Identifier { color: #804000; }
-->
</style>
<script type='text/javascript'>
<!--
-->
</script>
</head>
<body>
<pre id='vimCodeElement'>
<span class="SalientComment">//:: Container definitions can contain 'type ingredients'</span>
<span class="Delimiter">:(scenario size_of_shape_shifting_container)</span>
container foo:_t [
x:_t
y:number
]
recipe main [
<span class="Constant">1</span>:foo:number<span class="Special"> <- </span>merge <span class="Constant">12</span><span class="Delimiter">,</span> <span class="Constant">13</span>
<span class="Constant">3</span>:foo:point<span class="Special"> <- </span>merge <span class="Constant">14</span><span class="Delimiter">,</span> <span class="Constant">15</span><span class="Delimiter">,</span> <span class="Constant">16</span>
]
<span class="traceContains">+mem: storing 12 in location 1</span>
<span class="traceContains">+mem: storing 13 in location 2</span>
<span class="traceContains">+mem: storing 14 in location 3</span>
<span class="traceContains">+mem: storing 15 in location 4</span>
<span class="traceContains">+mem: storing 16 in location 5</span>
<span class="Delimiter">:(scenario size_of_shape_shifting_container_2)</span>
<span class="Comment"># multiple type ingredients</span>
container foo:_a:_b [
x:_a
y:_b
]
recipe main [
<span class="Constant">1</span>:foo:number:boolean<span class="Special"> <- </span>merge <span class="Constant">34</span><span class="Delimiter">,</span> <span class="Constant">1</span>/<span class="Constant">true</span>
]
$error: <span class="Constant">0</span>
<span class="Delimiter">:(scenario size_of_shape_shifting_container_3)</span>
container foo:_a:_b [
x:_a
y:_b
]
recipe main [
<span class="Constant">1</span>:address:shared:array:character<span class="Special"> <- </span>new [abc]
<span class="Comment"># compound types for type ingredients</span>
<span class="Delimiter">{</span><span class="Constant">2</span>: <span class="Delimiter">(</span>foo number <span class="Delimiter">(</span>address shared array character<span class="Delimiter">))}</span><span class="Special"> <- </span>merge <span class="Constant">34</span>/x<span class="Delimiter">,</span> <span class="Constant">1</span>:address:shared:array:character/y
]
$error: <span class="Constant">0</span>
<span class="Delimiter">:(scenario size_of_shape_shifting_container_4)</span>
container foo:_a:_b [
x:_a
y:_b
]
container bar:_a:_b [
<span class="Comment"># dilated element</span>
<span class="Delimiter">{</span>data: <span class="Delimiter">(</span>foo _a <span class="Delimiter">(</span>address shared _b<span class="Delimiter">))}</span>
]
recipe main [
<span class="Constant">1</span>:address:shared:array:character<span class="Special"> <- </span>new [abc]
<span class="Constant">2</span>:bar:number:array:character<span class="Special"> <- </span>merge <span class="Constant">34</span>/x<span class="Delimiter">,</span> <span class="Constant">1</span>:address:shared:array:character/y
]
$error: <span class="Constant">0</span>
<span class="Delimiter">:(before "End Globals")</span>
<span class="Comment">// We'll use large type ordinals to mean "the following type of the variable".</span>
const int START_TYPE_INGREDIENTS = <span class="Constant">2000</span><span class="Delimiter">;</span>
<span class="Delimiter">:(before "End Test Run Initialization")</span>
assert<span class="Delimiter">(</span>Next_type_ordinal < START_TYPE_INGREDIENTS<span class="Delimiter">);</span>
<span class="Delimiter">:(before "End type_info Fields")</span>
map<string<span class="Delimiter">,</span> type_ordinal> type_ingredient_names<span class="Delimiter">;</span>
<span class="Comment">//: Suppress unknown type checks in shape-shifting containers.</span>
<span class="Delimiter">:(before "Check Container Field Types(info)")</span>
if <span class="Delimiter">(</span>!info<span class="Delimiter">.</span>type_ingredient_names<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span class="Delimiter">:(before "End container Name Refinements")</span>
if <span class="Delimiter">(</span>name<span class="Delimiter">.</span>find<span class="Delimiter">(</span><span class="Constant">':'</span><span class="Delimiter">)</span> != string::npos<span class="Delimiter">)</span> <span class="Delimiter">{</span>
trace<span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"container has type ingredients; parsing"</span> << end<span class="Delimiter">();</span>
read_type_ingredients<span class="Delimiter">(</span>name<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(code)</span>
void read_type_ingredients<span class="Delimiter">(</span>string& name<span class="Delimiter">)</span> <span class="Delimiter">{</span>
string save_name = name<span class="Delimiter">;</span>
istringstream in<span class="Delimiter">(</span>save_name<span class="Delimiter">);</span>
name = slurp_until<span class="Delimiter">(</span>in<span class="Delimiter">,</span> <span class="Constant">':'</span><span class="Delimiter">);</span>
if <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> name<span class="Delimiter">)</span> || get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> name<span class="Delimiter">)</span> == <span class="Constant">0</span><span class="Delimiter">)</span>
put<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> name<span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
type_info& info = get_or_insert<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> name<span class="Delimiter">));</span>
long long int next_type_ordinal = START_TYPE_INGREDIENTS<span class="Delimiter">;</span>
while <span class="Delimiter">(</span>has_data<span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Delimiter">{</span>
string curr = slurp_until<span class="Delimiter">(</span>in<span class="Delimiter">,</span> <span class="Constant">':'</span><span class="Delimiter">);</span>
if <span class="Delimiter">(</span>info<span class="Delimiter">.</span>type_ingredient_names<span class="Delimiter">.</span>find<span class="Delimiter">(</span>curr<span class="Delimiter">)</span> != info<span class="Delimiter">.</span>type_ingredient_names<span class="Delimiter">.</span>end<span class="Delimiter">())</span> <span class="Delimiter">{</span>
raise_error << <span class="Constant">"can't repeat type ingredient names in a single container definition</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
<span class="Identifier">return</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
put<span class="Delimiter">(</span>info<span class="Delimiter">.</span>type_ingredient_names<span class="Delimiter">,</span> curr<span class="Delimiter">,</span> next_type_ordinal++<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(before "End insert_container Special-cases")</span>
<span class="Comment">// check for use of type ingredients</span>
else if <span class="Delimiter">(</span>is_type_ingredient_name<span class="Delimiter">(</span>type<span class="Delimiter">-></span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span>
type<span class="Delimiter">-></span>value = get<span class="Delimiter">(</span>info<span class="Delimiter">.</span>type_ingredient_names<span class="Delimiter">,</span> type<span class="Delimiter">-></span>name<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(code)</span>
bool is_type_ingredient_name<span class="Delimiter">(</span>const string& type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="Identifier">return</span> !type<span class="Delimiter">.</span>empty<span class="Delimiter">()</span> && type<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> == <span class="Constant">'_'</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(before "End Container Type Checks")</span>
if <span class="Delimiter">(</span>type<span class="Delimiter">-></span>value >= START_TYPE_INGREDIENTS
&& <span class="Delimiter">(</span>type<span class="Delimiter">-></span>value - START_TYPE_INGREDIENTS<span class="Delimiter">)</span> < SIZE<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> type<span class="Delimiter">-></span>value<span class="Delimiter">).</span>type_ingredient_names<span class="Delimiter">))</span>
<span class="Identifier">return</span><span class="Delimiter">;</span>
<span class="Delimiter">:(scenario size_of_shape_shifting_exclusive_container)</span>
exclusive-container foo:_t [
x:_t
y:number
]
recipe main [
<span class="Constant">1</span>:foo:number<span class="Special"> <- </span>merge <span class="Constant">0</span>/x<span class="Delimiter">,</span> <span class="Constant">34</span>
<span class="Constant">3</span>:foo:point<span class="Special"> <- </span>merge <span class="Constant">0</span>/x<span class="Delimiter">,</span> <span class="Constant">15</span><span class="Delimiter">,</span> <span class="Constant">16</span>
<span class="Constant">6</span>:foo:point<span class="Special"> <- </span>merge <span class="Constant">1</span>/y<span class="Delimiter">,</span> <span class="Constant">23</span>
]
<span class="traceContains">+mem: storing 0 in location 1</span>
<span class="traceContains">+mem: storing 34 in location 2</span>
<span class="traceContains">+mem: storing 0 in location 3</span>
<span class="traceContains">+mem: storing 15 in location 4</span>
<span class="traceContains">+mem: storing 16 in location 5</span>
<span class="traceContains">+mem: storing 1 in location 6</span>
<span class="traceContains">+mem: storing 23 in location 7</span>
$mem: <span class="Constant">7</span>
<span class="Delimiter">:(code)</span>
<span class="Comment">// shape-shifting version of size_of</span>
long long int size_of_type_ingredient<span class="Delimiter">(</span>const type_tree* element_template<span class="Delimiter">,</span> const type_tree* rest_of_use<span class="Delimiter">)</span> <span class="Delimiter">{</span>
type_tree* element_type = type_ingredient<span class="Delimiter">(</span>element_template<span class="Delimiter">,</span> rest_of_use<span class="Delimiter">);</span>
if <span class="Delimiter">(</span>!element_type<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span>
long long int result = size_of<span class="Delimiter">(</span>element_type<span class="Delimiter">);</span>
delete element_type<span class="Delimiter">;</span>
<span class="Identifier">return</span> result<span class="Delimiter">;</span>
<span class="Delimiter">}</span>
type_tree* type_ingredient<span class="Delimiter">(</span>const type_tree* element_template<span class="Delimiter">,</span> const type_tree* rest_of_use<span class="Delimiter">)</span> <span class="Delimiter">{</span>
long long int type_ingredient_index = element_template<span class="Delimiter">-></span>value - START_TYPE_INGREDIENTS<span class="Delimiter">;</span>
const type_tree* curr = rest_of_use<span class="Delimiter">;</span>
if <span class="Delimiter">(</span>!curr<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">NULL</span><span class="Delimiter">;</span>
while <span class="Delimiter">(</span>type_ingredient_index > <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
--type_ingredient_index<span class="Delimiter">;</span>
curr = curr<span class="Delimiter">-></span>right<span class="Delimiter">;</span>
if <span class="Delimiter">(</span>!curr<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">NULL</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
assert<span class="Delimiter">(</span>curr<span class="Delimiter">);</span>
if <span class="Delimiter">(</span>curr<span class="Delimiter">-></span>left<span class="Delimiter">)</span> curr = curr<span class="Delimiter">-></span>left<span class="Delimiter">;</span>
assert<span class="Delimiter">(</span>curr<span class="Delimiter">-></span>value > <span class="Constant">0</span><span class="Delimiter">);</span>
trace<span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">"type"</span><span class="Delimiter">)</span> << <span class="Constant">"type deduced to be "</span> << get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> curr<span class="Delimiter">-></span>value<span class="Delimiter">).</span>name << <span class="Constant">"$"</span> << end<span class="Delimiter">();</span>
<span class="Identifier">return</span> new type_tree<span class="Delimiter">(</span>*curr<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(scenario get_on_shape_shifting_container)</span>
container foo:_t [
x:_t
y:number
]
recipe main [
<span class="Constant">1</span>:foo:point<span class="Special"> <- </span>merge <span class="Constant">14</span><span class="Delimiter">,</span> <span class="Constant">15</span><span class="Delimiter">,</span> <span class="Constant">16</span>
<span class="Constant">2</span>:number<span class="Special"> <- </span>get <span class="Constant">1</span>:foo:point<span class="Delimiter">,</span> y:offset
]
<span class="traceContains">+mem: storing 16 in location 2</span>
<span class="Delimiter">:(before "End GET field Cases")</span>
const type_tree* type = get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">).</span>elements<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">;</span>
if <span class="Delimiter">(</span>type<span class="Delimiter">-></span>value >= START_TYPE_INGREDIENTS<span class="Delimiter">)</span> <span class="Delimiter">{</span>
long long int size = size_of_type_ingredient<span class="Delimiter">(</span>type<span class="Delimiter">,</span> base<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">);</span>
if <span class="Delimiter">(</span>!size<span class="Delimiter">)</span>
raise_error << <span class="Constant">"illegal field type '"</span> << to_string<span class="Delimiter">(</span>type<span class="Delimiter">)</span> << <span class="Constant">"' seems to be missing a type ingredient or three</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
src += size<span class="Delimiter">;</span>
<span class="Identifier">continue</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(scenario get_on_shape_shifting_container_2)</span>
container foo:_t [
x:_t
y:number
]
recipe main [
<span class="Constant">1</span>:foo:point<span class="Special"> <- </span>merge <span class="Constant">14</span><span class="Delimiter">,</span> <span class="Constant">15</span><span class="Delimiter">,</span> <span class="Constant">16</span>
<span class="Constant">2</span>:point<span class="Special"> <- </span>get <span class="Constant">1</span>:foo:point<span class="Delimiter">,</span> x:offset
]
<span class="traceContains">+mem: storing 14 in location 2</span>
<span class="traceContains">+mem: storing 15 in location 3</span>
<span class="Delimiter">:(scenario get_on_shape_shifting_container_3)</span>
container foo:_t [
x:_t
y:number
]
recipe main [
<span class="Constant">1</span>:foo:address:point<span class="Special"> <- </span>merge <span class="Constant">34</span>/unsafe<span class="Delimiter">,</span> <span class="Constant">48</span>
<span class="Constant">2</span>:address:point<span class="Special"> <- </span>get <span class="Constant">1</span>:foo:address:point<span class="Delimiter">,</span> x:offset
]
<span class="traceContains">+mem: storing 34 in location 2</span>
<span class="Delimiter">:(scenario get_on_shape_shifting_container_inside_container)</span>
container foo:_t [
x:_t
y:number
]
container bar [
x:foo:point
y:number
]
recipe main [
<span class="Constant">1</span>:bar<span class="Special"> <- </span>merge <span class="Constant">14</span><span class="Delimiter">,</span> <span class="Constant">15</span><span class="Delimiter">,</span> <span class="Constant">16</span><span class="Delimiter">,</span> <span class="Constant">17</span>
<span class="Constant">2</span>:number<span class="Special"> <- </span>get <span class="Constant">1</span>:bar<span class="Delimiter">,</span> <span class="Constant">1</span>:offset
]
<span class="traceContains">+mem: storing 17 in location 2</span>
<span class="Delimiter">:(scenario get_on_complex_shape_shifting_container)</span>
container foo:_a:_b [
x:_a
y:_b
]
recipe main [
<span class="Constant">1</span>:address:shared:array:character<span class="Special"> <- </span>new [abc]
<span class="Delimiter">{</span><span class="Constant">2</span>: <span class="Delimiter">(</span>foo number <span class="Delimiter">(</span>address shared array character<span class="Delimiter">))}</span><span class="Special"> <- </span>merge <span class="Constant">34</span>/x<span class="Delimiter">,</span> <span class="Constant">1</span>:address:shared:array:character/y
<span class="Constant">3</span>:address:shared:array:character<span class="Special"> <- </span>get <span class="Delimiter">{</span><span class="Constant">2</span>: <span class="Delimiter">(</span>foo number <span class="Delimiter">(</span>address shared array character<span class="Delimiter">))},</span> y:offset
<span class="Constant">4</span>:boolean<span class="Special"> <- </span>equal <span class="Constant">1</span>:address:shared:array:character<span class="Delimiter">,</span> <span class="Constant">3</span>:address:shared:array:character
]
<span class="traceContains">+mem: storing 1 in location 4</span>
<span class="Delimiter">:(before "End element_type Special-cases")</span>
if <span class="Delimiter">(</span>contains_type_ingredient<span class="Delimiter">(</span>element<span class="Delimiter">))</span> <span class="Delimiter">{</span>
if <span class="Delimiter">(</span>!canonized_base<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">)</span>
raise_error << <span class="Constant">"illegal type "</span> << names_to_string<span class="Delimiter">(</span>canonized_base<span class="Delimiter">.</span>type<span class="Delimiter">)</span> << <span class="Constant">" seems to be missing a type ingredient or three</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
replace_type_ingredients<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">,</span> canonized_base<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">,</span> info<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(code)</span>
bool contains_type_ingredient<span class="Delimiter">(</span>const reagent& x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="Identifier">return</span> contains_type_ingredient<span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
bool contains_type_ingredient<span class="Delimiter">(</span>const type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
if <span class="Delimiter">(</span>!type<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
if <span class="Delimiter">(</span>type<span class="Delimiter">-></span>value >= START_TYPE_INGREDIENTS<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
<span class="Identifier">return</span> contains_type_ingredient<span class="Delimiter">(</span>type<span class="Delimiter">-></span>left<span class="Delimiter">)</span> || contains_type_ingredient<span class="Delimiter">(</span>type<span class="Delimiter">-></span>right<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Comment">// todo: too complicated and likely incomplete; maybe avoid replacing in place? Maybe process element_type and element_type_name in separate functions?</span>
void replace_type_ingredients<span class="Delimiter">(</span>type_tree* element_type<span class="Delimiter">,</span> const type_tree* callsite_type<span class="Delimiter">,</span> const type_info& container_info<span class="Delimiter">)</span> <span class="Delimiter">{</span>
if <span class="Delimiter">(</span>!callsite_type<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// error but it's already been raised above</span>
if <span class="Delimiter">(</span>!element_type<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span class="Comment">// A. recurse first to avoid nested replaces (which I can't reason about yet)</span>
replace_type_ingredients<span class="Delimiter">(</span>element_type<span class="Delimiter">-></span>left<span class="Delimiter">,</span> callsite_type<span class="Delimiter">,</span> container_info<span class="Delimiter">);</span>
replace_type_ingredients<span class="Delimiter">(</span>element_type<span class="Delimiter">-></span>right<span class="Delimiter">,</span> callsite_type<span class="Delimiter">,</span> container_info<span class="Delimiter">);</span>
if <span class="Delimiter">(</span>element_type<span class="Delimiter">-></span>value < START_TYPE_INGREDIENTS<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
const long long int type_ingredient_index = element_type<span class="Delimiter">-></span>value-START_TYPE_INGREDIENTS<span class="Delimiter">;</span>
if <span class="Delimiter">(</span>!has_nth_type<span class="Delimiter">(</span>callsite_type<span class="Delimiter">,</span> type_ingredient_index<span class="Delimiter">))</span> <span class="Delimiter">{</span>
raise_error << <span class="Constant">"illegal type "</span> << names_to_string<span class="Delimiter">(</span>callsite_type<span class="Delimiter">)</span> << <span class="Constant">" seems to be missing a type ingredient or three</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
<span class="Identifier">return</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Comment">// B. replace the current location</span>
const type_tree* replacement = <span class="Constant">NULL</span><span class="Delimiter">;</span>
bool splice_right = <span class="Constant">true</span> <span class="Delimiter">;</span>
<span class="Delimiter">{</span>
const type_tree* curr = callsite_type<span class="Delimiter">;</span>
for <span class="Delimiter">(</span>long long int i = <span class="Constant">0</span><span class="Delimiter">;</span> i < type_ingredient_index<span class="Delimiter">;</span> ++i<span class="Delimiter">)</span>
curr = curr<span class="Delimiter">-></span>right<span class="Delimiter">;</span>
if <span class="Delimiter">(</span>curr && curr<span class="Delimiter">-></span>left<span class="Delimiter">)</span> <span class="Delimiter">{</span>
replacement = curr<span class="Delimiter">-></span>left<span class="Delimiter">;</span>
<span class="Delimiter">}</span>
else <span class="Delimiter">{</span>
<span class="Comment">// We want foo:_t to be used like foo:number, which expands to {foo: number}</span>
<span class="Comment">// rather than {foo: (number)}</span>
<span class="Comment">// We'd also like to use it with multiple types: foo:address:number.</span>
replacement = curr<span class="Delimiter">;</span>
if <span class="Delimiter">(</span>!final_type_ingredient<span class="Delimiter">(</span>type_ingredient_index<span class="Delimiter">,</span> container_info<span class="Delimiter">))</span> <span class="Delimiter">{</span>
splice_right = <span class="Constant">false</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
element_type<span class="Delimiter">-></span>name = replacement<span class="Delimiter">-></span>name<span class="Delimiter">;</span>
element_type<span class="Delimiter">-></span>value = replacement<span class="Delimiter">-></span>value<span class="Delimiter">;</span>
assert<span class="Delimiter">(</span>!element_type<span class="Delimiter">-></span>left<span class="Delimiter">);</span> <span class="Comment">// since value is set</span>
element_type<span class="Delimiter">-></span>left = replacement<span class="Delimiter">-></span>left ? new type_tree<span class="Delimiter">(</span>*replacement<span class="Delimiter">-></span>left<span class="Delimiter">)</span> : <span class="Constant">NULL</span><span class="Delimiter">;</span>
if <span class="Delimiter">(</span>splice_right<span class="Delimiter">)</span> <span class="Delimiter">{</span>
type_tree* old_right = element_type<span class="Delimiter">-></span>right<span class="Delimiter">;</span>
element_type<span class="Delimiter">-></span>right = replacement<span class="Delimiter">-></span>right ? new type_tree<span class="Delimiter">(</span>*replacement<span class="Delimiter">-></span>right<span class="Delimiter">)</span> : <span class="Constant">NULL</span><span class="Delimiter">;</span>
append<span class="Delimiter">(</span>element_type<span class="Delimiter">-></span>right<span class="Delimiter">,</span> old_right<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
bool final_type_ingredient<span class="Delimiter">(</span>long long int type_ingredient_index<span class="Delimiter">,</span> const type_info& container_info<span class="Delimiter">)</span> <span class="Delimiter">{</span>
for <span class="Delimiter">(</span>map<string<span class="Delimiter">,</span> type_ordinal>::const_iterator p = container_info<span class="Delimiter">.</span>type_ingredient_names<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>
p != container_info<span class="Delimiter">.</span>type_ingredient_names<span class="Delimiter">.</span>end<span class="Delimiter">();</span>
++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
if <span class="Delimiter">(</span>p<span class="Delimiter">-></span>second > START_TYPE_INGREDIENTS+type_ingredient_index<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
void append<span class="Delimiter">(</span>type_tree*& base<span class="Delimiter">,</span> type_tree* extra<span class="Delimiter">)</span> <span class="Delimiter">{</span>
if <span class="Delimiter">(</span>!base<span class="Delimiter">)</span> <span class="Delimiter">{</span>
base = extra<span class="Delimiter">;</span>
<span class="Identifier">return</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
type_tree* curr = base<span class="Delimiter">;</span>
while <span class="Delimiter">(</span>curr<span class="Delimiter">-></span>right<span class="Delimiter">)</span> curr = curr<span class="Delimiter">-></span>right<span class="Delimiter">;</span>
curr<span class="Delimiter">-></span>right = extra<span class="Delimiter">;</span>
<span class="Delimiter">}</span>
void append<span class="Delimiter">(</span>string_tree*& base<span class="Delimiter">,</span> string_tree* extra<span class="Delimiter">)</span> <span class="Delimiter">{</span>
if <span class="Delimiter">(</span>!base<span class="Delimiter">)</span> <span class="Delimiter">{</span>
base = extra<span class="Delimiter">;</span>
<span class="Identifier">return</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
string_tree* curr = base<span class="Delimiter">;</span>
while <span class="Delimiter">(</span>curr<span class="Delimiter">-></span>right<span class="Delimiter">)</span> curr = curr<span class="Delimiter">-></span>right<span class="Delimiter">;</span>
curr<span class="Delimiter">-></span>right = extra<span class="Delimiter">;</span>
<span class="Delimiter">}</span>
void test_replace_type_ingredients_entire<span class="Delimiter">()</span> <span class="Delimiter">{</span>
run<span class="Delimiter">(</span><span class="Constant">"container foo:_elem [</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" x:_elem</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" y:number</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">"]</span><span class="cSpecial">\n</span><span class="Constant">"</span><span class="Delimiter">);</span>
reagent callsite<span class="Delimiter">(</span><span class="Constant">"x:foo:point"</span><span class="Delimiter">);</span>
reagent element = element_type<span class="Delimiter">(</span>callsite<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>name<span class="Delimiter">,</span> <span class="Constant">"x"</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"point"</span><span class="Delimiter">);</span>
CHECK<span class="Delimiter">(</span>!element<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
void test_replace_type_ingredients_tail<span class="Delimiter">()</span> <span class="Delimiter">{</span>
run<span class="Delimiter">(</span><span class="Constant">"container foo:_elem [</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" x:_elem</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">"]</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">"container bar:_elem [</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" x:foo:_elem</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">"]</span><span class="cSpecial">\n</span><span class="Constant">"</span><span class="Delimiter">);</span>
reagent callsite<span class="Delimiter">(</span><span class="Constant">"x:bar:point"</span><span class="Delimiter">);</span>
reagent element = element_type<span class="Delimiter">(</span>callsite<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>name<span class="Delimiter">,</span> <span class="Constant">"x"</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"foo"</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"point"</span><span class="Delimiter">);</span>
CHECK<span class="Delimiter">(</span>!element<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
void test_replace_type_ingredients_head_tail_multiple<span class="Delimiter">()</span> <span class="Delimiter">{</span>
run<span class="Delimiter">(</span><span class="Constant">"container foo:_elem [</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" x:_elem</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">"]</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">"container bar:_elem [</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" x:foo:_elem</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">"]</span><span class="cSpecial">\n</span><span class="Constant">"</span><span class="Delimiter">);</span>
reagent callsite<span class="Delimiter">(</span><span class="Constant">"x:bar:address:shared:array:character"</span><span class="Delimiter">);</span>
reagent element = element_type<span class="Delimiter">(</span>callsite<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>name<span class="Delimiter">,</span> <span class="Constant">"x"</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"foo"</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"address"</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"shared"</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"array"</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"character"</span><span class="Delimiter">);</span>
CHECK<span class="Delimiter">(</span>!element<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
void test_replace_type_ingredients_head_middle<span class="Delimiter">()</span> <span class="Delimiter">{</span>
run<span class="Delimiter">(</span><span class="Constant">"container foo:_elem [</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" x:_elem</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">"]</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">"container bar:_elem [</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" x:foo:_elem:number</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">"]</span><span class="cSpecial">\n</span><span class="Constant">"</span><span class="Delimiter">);</span>
reagent callsite<span class="Delimiter">(</span><span class="Constant">"x:bar:address"</span><span class="Delimiter">);</span>
reagent element = element_type<span class="Delimiter">(</span>callsite<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>name<span class="Delimiter">,</span> <span class="Constant">"x"</span><span class="Delimiter">);</span>
CHECK<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">)</span>
CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"foo"</span><span class="Delimiter">);</span>
CHECK<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">)</span>
CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"address"</span><span class="Delimiter">);</span>
CHECK<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">)</span>
CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"number"</span><span class="Delimiter">);</span>
CHECK<span class="Delimiter">(</span>!element<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
void test_replace_last_type_ingredient_with_multiple<span class="Delimiter">()</span> <span class="Delimiter">{</span>
run<span class="Delimiter">(</span><span class="Constant">"container foo:_a:_b [</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" x:_a</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" y:_b</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">"]</span><span class="cSpecial">\n</span><span class="Constant">"</span><span class="Delimiter">);</span>
reagent callsite<span class="Delimiter">(</span><span class="Constant">"{f: (foo number (address shared array character))}"</span><span class="Delimiter">);</span>
reagent element1 = element_type<span class="Delimiter">(</span>callsite<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element1<span class="Delimiter">.</span>name<span class="Delimiter">,</span> <span class="Constant">"x"</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element1<span class="Delimiter">.</span>type<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"number"</span><span class="Delimiter">);</span>
CHECK<span class="Delimiter">(</span>!element1<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">);</span>
reagent element2 = element_type<span class="Delimiter">(</span>callsite<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element2<span class="Delimiter">.</span>name<span class="Delimiter">,</span> <span class="Constant">"y"</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element2<span class="Delimiter">.</span>type<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"address"</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element2<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"shared"</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element2<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"array"</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element2<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"character"</span><span class="Delimiter">);</span>
CHECK<span class="Delimiter">(</span>!element2<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
void test_replace_middle_type_ingredient_with_multiple<span class="Delimiter">()</span> <span class="Delimiter">{</span>
run<span class="Delimiter">(</span><span class="Constant">"container foo:_a:_b:_c [</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" x:_a</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" y:_b</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" z:_c</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">"]</span><span class="cSpecial">\n</span><span class="Constant">"</span><span class="Delimiter">);</span>
reagent callsite<span class="Delimiter">(</span><span class="Constant">"{f: (foo number (address shared array character) boolean)}"</span><span class="Delimiter">);</span>
reagent element1 = element_type<span class="Delimiter">(</span>callsite<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element1<span class="Delimiter">.</span>name<span class="Delimiter">,</span> <span class="Constant">"x"</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element1<span class="Delimiter">.</span>type<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"number"</span><span class="Delimiter">);</span>
CHECK<span class="Delimiter">(</span>!element1<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">);</span>
reagent element2 = element_type<span class="Delimiter">(</span>callsite<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element2<span class="Delimiter">.</span>name<span class="Delimiter">,</span> <span class="Constant">"y"</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element2<span class="Delimiter">.</span>type<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"address"</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element2<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"shared"</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element2<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"array"</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element2<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"character"</span><span class="Delimiter">);</span>
CHECK<span class="Delimiter">(</span>!element2<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">);</span>
reagent element3 = element_type<span class="Delimiter">(</span>callsite<span class="Delimiter">,</span> <span class="Constant">2</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element3<span class="Delimiter">.</span>name<span class="Delimiter">,</span> <span class="Constant">"z"</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element3<span class="Delimiter">.</span>type<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"boolean"</span><span class="Delimiter">);</span>
CHECK<span class="Delimiter">(</span>!element3<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
bool has_nth_type<span class="Delimiter">(</span>const type_tree* base<span class="Delimiter">,</span> long long int n<span class="Delimiter">)</span> <span class="Delimiter">{</span>
assert<span class="Delimiter">(</span>n >= <span class="Constant">0</span><span class="Delimiter">);</span>
if <span class="Delimiter">(</span>base == <span class="Constant">NULL</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
if <span class="Delimiter">(</span>n == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
<span class="Identifier">return</span> has_nth_type<span class="Delimiter">(</span>base<span class="Delimiter">-></span>right<span class="Delimiter">,</span> n-<span class="Constant">1</span><span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(scenario get_on_shape_shifting_container_error)</span>
<span class="Special">% Hide_errors = true;</span>
container foo:_t [
x:_t
y:number
]
recipe main [
<span class="Constant">10</span>:foo:point<span class="Special"> <- </span>merge <span class="Constant">14</span><span class="Delimiter">,</span> <span class="Constant">15</span><span class="Delimiter">,</span> <span class="Constant">16</span>
<span class="Constant">1</span>:number<span class="Special"> <- </span>get <span class="Constant">10</span>:foo<span class="Delimiter">,</span> <span class="Constant">1</span>:offset
]
<span class="traceContains">+error: illegal type "foo" seems to be missing a type ingredient or three</span>
<span class="Comment">//: get-address similarly</span>
<span class="Delimiter">:(scenario get_address_on_shape_shifting_container)</span>
container foo:_t [
x:_t
y:number
]
recipe main [
<span class="Constant">10</span>:foo:point<span class="Special"> <- </span>merge <span class="Constant">14</span><span class="Delimiter">,</span> <span class="Constant">15</span><span class="Delimiter">,</span> <span class="Constant">16</span>
<span class="Constant">1</span>:address:number<span class="Special"> <- </span>get-address <span class="Constant">10</span>:foo:point<span class="Delimiter">,</span> <span class="Constant">1</span>:offset
]
<span class="traceContains">+mem: storing 12 in location 1</span>
<span class="Delimiter">:(before "End GET_ADDRESS field Cases")</span>
const type_tree* type = get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">).</span>elements<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">;</span>
if <span class="Delimiter">(</span>type<span class="Delimiter">-></span>value >= START_TYPE_INGREDIENTS<span class="Delimiter">)</span> <span class="Delimiter">{</span>
long long int size = size_of_type_ingredient<span class="Delimiter">(</span>type<span class="Delimiter">,</span> base<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">);</span>
if <span class="Delimiter">(</span>!size<span class="Delimiter">)</span>
raise_error << <span class="Constant">"illegal type '"</span> << to_string<span class="Delimiter">(</span>type<span class="Delimiter">)</span> << <span class="Constant">"' seems to be missing a type ingredient or three</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
result += size<span class="Delimiter">;</span>
<span class="Identifier">continue</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Comment">//: 'merge' on shape-shifting containers</span>
<span class="Delimiter">:(scenario merge_check_shape_shifting_container_containing_exclusive_container)</span>
container foo:_elem [
x:number
y:_elem
]
exclusive-container bar [
x:number
y:number
]
recipe main [
<span class="Constant">1</span>:foo:bar<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="traceContains">+mem: storing 23 in location 1</span>
<span class="traceContains">+mem: storing 1 in location 2</span>
<span class="traceContains">+mem: storing 34 in location 3</span>
$error: <span class="Constant">0</span>
<span class="Delimiter">:(scenario merge_check_shape_shifting_container_containing_exclusive_container_2)</span>
<span class="Special">% Hide_errors = true;</span>
container foo:_elem [
x:number
y:_elem
]
exclusive-container bar [
x:number
y:number
]
recipe main [
<span class="Constant">1</span>:foo:bar<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 class="traceContains">+error: main: too many ingredients in '1:foo:bar <- merge 23, 1/y, 34, 35'</span>
<span class="Delimiter">:(scenario merge_check_shape_shifting_exclusive_container_containing_container)</span>
exclusive-container foo:_elem [
x:number
y:_elem
]
container bar [
x:number
y:number
]
recipe main [
<span class="Constant">1</span>:foo:bar<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 class="traceContains">+mem: storing 1 in location 1</span>
<span class="traceContains">+mem: storing 23 in location 2</span>
<span class="traceContains">+mem: storing 34 in location 3</span>
$error: <span class="Constant">0</span>
<span class="Delimiter">:(scenario merge_check_shape_shifting_exclusive_container_containing_container_2)</span>
exclusive-container foo:_elem [
x:number
y:_elem
]
container bar [
x:number
y:number
]
recipe main [
<span class="Constant">1</span>:foo:bar<span class="Special"> <- </span>merge <span class="Constant">0</span>/x<span class="Delimiter">,</span> <span class="Constant">23</span>
]
$error: <span class="Constant">0</span>
<span class="Delimiter">:(scenario merge_check_shape_shifting_exclusive_container_containing_container_3)</span>
<span class="Special">% Hide_errors = true;</span>
exclusive-container foo:_elem [
x:number
y:_elem
]
container bar [
x:number
y:number
]
recipe main [
<span class="Constant">1</span>:foo:bar<span class="Special"> <- </span>merge <span class="Constant">1</span>/y<span class="Delimiter">,</span> <span class="Constant">23</span>
]
<span class="traceContains">+error: main: too few ingredients in '1:foo:bar <- merge 1/y, 23'</span>
<span class="Delimiter">:(before "End variant_type Special-cases")</span>
if <span class="Delimiter">(</span>contains_type_ingredient<span class="Delimiter">(</span>element<span class="Delimiter">))</span> <span class="Delimiter">{</span>
if <span class="Delimiter">(</span>!canonized_base<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">)</span>
raise_error << <span class="Constant">"illegal type '"</span> << to_string<span class="Delimiter">(</span>canonized_base<span class="Delimiter">.</span>type<span class="Delimiter">)</span> << <span class="Constant">"' seems to be missing a type ingredient or three</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
replace_type_ingredients<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">,</span> canonized_base<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">,</span> info<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
</pre>
</body>
</html>
<!-- vim: set foldmethod=manual : -->
|