summary refs log tree commit diff stats
path: root/bouml/bouml.prj
Commit message (Expand)AuthorAgeFilesLines
* added Bouml project (UML)hut2009-11-241-0/+766
generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2024-10-21 20:59:58 +0000
7'>7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 
<!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 - 056shape_shifting_recipe.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; }
.SalientComment { color: #00ffff; }
.CommentedCode { color: #6c6c6c; }
.muData { color: #ffff00; }
.LineNr { color: #444444; }
.Delimiter { color: #800080; }
.Normal { color: #aaaaaa; background-color: #080808; padding-bottom: 1px; }
.traceContains { color: #008000; }
.cSpecial { color: #008000; }
.muRecipe { color: #ff8700; }
.Comment { color: #9090ff; }
.Comment a { color:#0000ee; text-decoration:underline; }
.Constant { color: #00a0a0; }
.Special { color: #c00000; }
.Identifier { color: #c0a020; }
.PreProc { color: #800080; }
-->
</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="SalientComment">//:: Like container definitions, recipes too can contain type parameters.</span>
<span id="L2" class="LineNr">   2 </span>
<span id="L3" class="LineNr">   3 </span><span class="Delimiter">:(scenario shape_shifting_recipe)</span>
<span id="L4" class="LineNr">   4 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L5" class="LineNr">   5 </span>  <span class="Constant">10</span>:point<span class="Special"> &lt;- </span>merge <span class="Constant">14</span><span class="Delimiter">,</span> <span class="Constant">15</span>
<span id="L6" class="LineNr">   6 </span>  <span class="Constant">12</span>:point<span class="Special"> &lt;- </span>foo <span class="Constant">10</span>:point
<span id="L7" class="LineNr">   7 </span>]
<span id="L8" class="LineNr">   8 </span><span class="Comment"># non-matching variant</span>
<span id="L9" class="LineNr">   9 </span><span class="muRecipe">def</span> foo a:num<span class="muRecipe"> -&gt; </span>result:num [
<span id="L10" class="LineNr">  10 </span>  local-scope
<span id="L11" class="LineNr">  11 </span>  load-ingredients
<span id="L12" class="LineNr">  12 </span>  result<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
<span id="L13" class="LineNr">  13 </span>]
<span id="L14" class="LineNr">  14 </span><span class="Comment"># matching shape-shifting variant</span>
<span id="L15" class="LineNr">  15 </span><span class="muRecipe">def</span> foo a:_t<span class="muRecipe"> -&gt; </span>result:_t [
<span id="L16" class="LineNr">  16 </span>  local-scope
<span id="L17" class="LineNr">  17 </span>  load-ingredients
<span id="L18" class="LineNr">  18 </span>  result<span class="Special"> &lt;- </span>copy a
<span id="L19" class="LineNr">  19 </span>]
<span id="L20" class="LineNr">  20 </span><span class="traceContains">+mem: storing 14 in location 12</span>
<span id="L21" class="LineNr">  21 </span><span class="traceContains">+mem: storing 15 in location 13</span>
<span id="L22" class="LineNr">  22 </span>
<span id="L23" class="LineNr">  23 </span><span class="Comment">//: Before anything else, disable transforms for shape-shifting recipes and</span>
<span id="L24" class="LineNr">  24 </span><span class="Comment">//: make sure we never try to actually run a shape-shifting recipe. We should</span>
<span id="L25" class="LineNr">  25 </span><span class="Comment">//: be rewriting such instructions to *specializations* with the type</span>
<span id="L26" class="LineNr">  26 </span><span class="Comment">//: ingredients filled in.</span>
<span id="L27" class="LineNr">  27 </span>
<span id="L28" class="LineNr">  28 </span><span class="Comment">//: One exception (and this makes things very ugly): we need to expand type</span>
<span id="L29" class="LineNr">  29 </span><span class="Comment">//: abbreviations in shape-shifting recipes because we need them types for</span>
<span id="L30" class="LineNr">  30 </span><span class="Comment">//: deciding which variant to specialize.</span>
<span id="L31" class="LineNr">  31 </span>
<span id="L32" class="LineNr">  32 </span><span class="Delimiter">:(before &quot;End Transform Checks&quot;)</span>
<span id="L33" class="LineNr">  33 </span>r<span class="Delimiter">.</span>transformed_until = t<span class="Delimiter">;</span>
<span id="L34" class="LineNr">  34 </span><span class="Normal">if</span> <span class="Delimiter">(</span>Transform<span class="Delimiter">.</span>at<span class="Delimiter">(</span>t<span class="Delimiter">)</span> != <span class="Normal">static_cast</span>&lt;transform_fn&gt;<span class="Delimiter">(</span>expand_type_abbreviations<span class="Delimiter">)</span> &amp;&amp; <a href='056shape_shifting_recipe.cc.html#L156'>any_type_ingredient_in_header</a><span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment"><a href='010vm.cc.html#L14'>recipe_ordinal</a></span><span class="Comment">*/</span>p<span class="Delimiter">-&gt;</span>first<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L35" class="LineNr">  35 </span>
<span id="L36" class="LineNr">  36 </span><span class="Delimiter">:(after &quot;Running One Instruction&quot;)</span>
<span id="L37" class="LineNr">  37 </span><span class="Normal">if</span> <span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>front<span class="Delimiter">().</span>running_step_index == <span class="Constant">0</span>
<span id="L38" class="LineNr">  38 </span>    &amp;&amp; <a href='056shape_shifting_recipe.cc.html#L156'>any_type_ingredient_in_header</a><span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>front<span class="Delimiter">().</span>running_recipe<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L39" class="LineNr">  39 </span><span class="CommentedCode">//?   DUMP(&quot;&quot;);</span>
<span id="L40" class="LineNr">  40 </span>  <a href='003trace.cc.html#L197'>raise</a> &lt;&lt; <span class="Constant">&quot;ran into unspecialized shape-shifting <a href='010vm.cc.html#L19'>recipe</a> &quot;</span> &lt;&lt; <a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">()</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span>
<span id="L41" class="LineNr">  41 </span><span class="CommentedCode">//?   exit(0);</span>
<span id="L42" class="LineNr">  42 </span><span class="Delimiter">}</span>
<span id="L43" class="LineNr">  43 </span>
<span id="L44" class="LineNr">  44 </span><span class="Comment">//: Make sure we don't match up literals with type ingredients without</span>
<span id="L45" class="LineNr">  45 </span><span class="Comment">//: specialization.</span>
<span id="L46" class="LineNr">  46 </span><span class="Delimiter">:(before &quot;End Matching Types For Literal(to)&quot;)</span>
<span id="L47" class="LineNr">  47 </span><span class="Normal">if</span> <span class="Delimiter">(</span>contains_type_ingredient_name<span class="Delimiter">(</span>to<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L48" class="LineNr">  48 </span>
<span id="L49" class="LineNr">  49 </span><span class="Delimiter">:(after &quot;Static Dispatch Phase 2&quot;)</span>
<span id="L50" class="LineNr">  50 </span>candidates = <a href='056shape_shifting_recipe.cc.html#L73'>strictly_matching_shape_shifting_variants</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> variants<span class="Delimiter">);</span>
<span id="L51" class="LineNr">  51 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!candidates<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
<span id="L52" class="LineNr">  52 </span>  <a href='010vm.cc.html#L14'>recipe_ordinal</a> exemplar = <a href='056shape_shifting_recipe.cc.html#L106'>best_shape_shifting_variant</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> candidates<span class="Delimiter">);</span>
<span id="L53" class="LineNr">  53 </span>  <a href='003trace.cc.html#L190'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;found variant to specialize: &quot;</span> &lt;&lt; exemplar &lt;&lt; <span class="Constant">' '</span> &lt;&lt; get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> exemplar<span class="Delimiter">).</span>name &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span>
<span id="L54" class="LineNr">  54 </span>  string new_recipe_name = <a href='056shape_shifting_recipe.cc.html#L241'>insert_new_variant</a><span class="Delimiter">(</span>exemplar<span class="Delimiter">,</span> inst<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">);</span>
<span id="L55" class="LineNr">  55 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>new_recipe_name != <span class="Constant">&quot;&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L56" class="LineNr">  56 </span>    <a href='003trace.cc.html#L190'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;new specialization: &quot;</span> &lt;&lt; new_recipe_name &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span>
<span id="L57" class="LineNr">  57 </span>    <span class="Identifier">return</span> new_recipe_name<span class="Delimiter">;</span>
<span id="L58" class="LineNr">  58 </span>  <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="Comment">//: before running Mu programs, make sure no unspecialized shape-shifting</span>
<span id="L62" class="LineNr">  62 </span><span class="Comment">//: recipes can be called</span>
<span id="L63" class="LineNr">  63 </span>
<span id="L64" class="LineNr">  64 </span><span class="Delimiter">:(before &quot;End Instruction Operation Checks&quot;)</span>
<span id="L65" class="LineNr">  65 </span><span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L226'>contains_key</a><span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>operation<span class="Delimiter">)</span> &amp;&amp; !is_primitive<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>operation<span class="Delimiter">)</span>
<span id="L66" class="LineNr">  66 </span>    &amp;&amp; <a href='056shape_shifting_recipe.cc.html#L156'>any_type_ingredient_in_header</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>operation<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L67" class="LineNr">  67 </span>  <a href='003trace.cc.html#L197'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;instruction '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;' has no valid specialization</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span>
<span id="L68" class="LineNr">  68 </span>  <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L69" class="LineNr">  69 </span><span class="Delimiter">}</span>
<span id="L70" class="LineNr">  70 </span>
<span id="L71" class="LineNr">  71 </span><span class="Delimiter">:(code)</span>
<span id="L72" class="LineNr">  72 </span><span class="Comment">// phase 3 of static dispatch</span>
<span id="L73" class="LineNr">  73 </span>vector&lt;recipe_ordinal&gt; <a href='056shape_shifting_recipe.cc.html#L73'>strictly_matching_shape_shifting_variants</a><span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp; inst<span class="Delimiter">,</span> <span class="Normal">const</span> vector&lt;recipe_ordinal&gt;&amp; variants<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L74" class="LineNr">  74 </span>  vector&lt;recipe_ordinal&gt; result<span class="Delimiter">;</span>
<span id="L75" class="LineNr">  75 </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 &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>variants<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L76" class="LineNr">  76 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>variants<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)</span> == -<span class="Constant">1</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L77" class="LineNr">  77 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!any_type_ingredient_in_header<span class="Delimiter">(</span>variants<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L78" class="LineNr">  78 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!all_concrete_header_reagents_strictly_match<span class="Delimiter">(</span>inst<span class="Delimiter">,</span> get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> variants<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L79" class="LineNr">  79 </span>    result<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>variants<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
<span id="L80" class="LineNr">  80 </span>  <span class="Delimiter">}</span>
<span id="L81" class="LineNr">  81 </span>  <span class="Identifier">return</span> result<span class="Delimiter">;</span>
<span id="L82" class="LineNr">  82 </span><span class="Delimiter">}</span>
<span id="L83" class="LineNr">  83 </span>
<span id="L84" class="LineNr">  84 </span><span class="Normal">bool</span> <a href='056shape_shifting_recipe.cc.html#L84'>all_concrete_header_reagents_strictly_match</a><span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp; inst<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; variant<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L85" class="LineNr">  85 </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 &lt; min<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> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>ingredients<span class="Delimiter">));</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L86" class="LineNr">  86 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!concrete_type_names_strictly_match<span class="Delimiter">(</span>variant<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
<span id="L87" class="LineNr">  87 </span>      <a href='003trace.cc.html#L190'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;concrete-type match failed: ingredient &quot;</span> &lt;&lt; i &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span>
<span id="L88" class="LineNr">  88 </span>      <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L89" class="LineNr">  89 </span>    <span class="Delimiter">}</span>
<span id="L90" class="LineNr">  90 </span>  <span class="Delimiter">}</span>
<span id="L91" class="LineNr">  91 </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 &lt; min<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> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>products<span class="Delimiter">));</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L92" class="LineNr">  92 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>is_dummy<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L93" class="LineNr">  93 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!concrete_type_names_strictly_match<span class="Delimiter">(</span>variant<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
<span id="L94" class="LineNr">  94 </span>      <a href='003trace.cc.html#L190'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;concrete-type match failed: product &quot;</span> &lt;&lt; i &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span>
<span id="L95" class="LineNr">  95 </span>      <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L96" class="LineNr">  96 </span>    <span class="Delimiter">}</span>
<span id="L97" class="LineNr">  97 </span>  <span class="Delimiter">}</span>
<span id="L98" class="LineNr">  98 </span>  <span class="Identifier">return</span><span class="Constant"> true</span><span class="Delimiter">;</span>
<span id="L99" class="LineNr">  99 </span><span class="Delimiter">}</span>
<span id="L100" class="LineNr"> 100 </span>
<span id="L101" class="LineNr"> 101 </span><span class="Comment">// manual prototype</span>
<span id="L102" class="LineNr"> 102 </span>vector&lt;recipe_ordinal&gt; <a href='056shape_shifting_recipe.cc.html#L128'>keep_max</a><span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp;<span class="Delimiter">,</span> <span class="Normal">const</span> vector&lt;recipe_ordinal&gt;&amp;<span class="Delimiter">,</span>
<span id="L103" class="LineNr"> 103 </span>                                <span class="Normal">int</span> <span class="Delimiter">(</span>*<span class="Delimiter">)(</span><span class="Normal">const</span> instruction&amp;<span class="Delimiter">,</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a><span class="Delimiter">));</span>
<span id="L104" class="LineNr"> 104 </span>
<span id="L105" class="LineNr"> 105 </span><span class="Comment">// tie-breaker for phase 3</span>
<span id="L106" class="LineNr"> 106 </span><a href='010vm.cc.html#L14'>recipe_ordinal</a> <a href='056shape_shifting_recipe.cc.html#L106'>best_shape_shifting_variant</a><span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp; inst<span class="Delimiter">,</span> <span class="Normal">const</span> vector&lt;recipe_ordinal&gt;&amp; candidates<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L107" class="LineNr"> 107 </span>  assert<span class="Delimiter">(</span>!candidates<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
<span id="L108" class="LineNr"> 108 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>candidates<span class="Delimiter">)</span> == <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Identifier">return</span> candidates<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L109" class="LineNr"> 109 </span><span class="CommentedCode">//?   cerr &lt;&lt; &quot;A picking shape-shifting variant:\n&quot;;</span>
<span id="L110" class="LineNr"> 110 </span>  vector&lt;recipe_ordinal&gt; result1 = <a href='056shape_shifting_recipe.cc.html#L128'>keep_max</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> candidates<span class="Delimiter">,</span> number_of_concrete_type_names<span class="Delimiter">);</span>
<span id="L111" class="LineNr"> 111 </span>  assert<span class="Delimiter">(</span>!result1<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
<span id="L112" class="LineNr"> 112 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>result1<span class="Delimiter">)</span> == <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Identifier">return</span> result1<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L113" class="LineNr"> 113 </span><span class="CommentedCode">//?   cerr &lt;&lt; &quot;B picking shape-shifting variant:\n&quot;;</span>
<span id="L114" class="LineNr"> 114 </span>  vector&lt;recipe_ordinal&gt; result2 = <a href='056shape_shifting_recipe.cc.html#L128'>keep_max</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> result1<span class="Delimiter">,</span> <a href='056shape_shifting_recipe.cc.html#L150'>arity_fit</a><span class="Delimiter">);</span>
<span id="L115" class="LineNr"> 115 </span>  assert<span class="Delimiter">(</span>!result2<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
<span id="L116" class="LineNr"> 116 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>result2<span class="Delimiter">)</span> == <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Identifier">return</span> result2<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L117" class="LineNr"> 117 </span><span class="CommentedCode">//?   cerr &lt;&lt; &quot;C picking shape-shifting variant:\n&quot;;</span>
<span id="L118" class="LineNr"> 118 </span>  vector&lt;recipe_ordinal&gt; result3 = <a href='056shape_shifting_recipe.cc.html#L128'>keep_max</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> result2<span class="Delimiter">,</span> number_of_type_ingredients<span class="Delimiter">);</span>
<span id="L119" class="LineNr"> 119 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>result3<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L120" class="LineNr"> 120 </span>    <a href='003trace.cc.html#L197'>raise</a> &lt;&lt; <span class="Constant">&quot;</span><span class="cSpecial">\n</span><span class="Constant">Couldn't decide the best shape-shifting variant for instruction '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L121" class="LineNr"> 121 </span>    cerr &lt;&lt; <span class="Constant">&quot;This is a hole in Mu. Please copy the following candidates into an email to Kartik Agaram &lt;mu@akkartik.com&gt;</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
<span id="L122" class="LineNr"> 122 </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 &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>candidates<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
<span id="L123" class="LineNr"> 123 </span>      cerr &lt;&lt; <span class="Constant">&quot;  &quot;</span> &lt;&lt; header_label<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> candidates<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
<span id="L124" class="LineNr"> 124 </span>  <span class="Delimiter">}</span>
<span id="L125" class="LineNr"> 125 </span>  <span class="Identifier">return</span> result3<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L126" class="LineNr"> 126 </span><span class="Delimiter">}</span>
<span id="L127" class="LineNr"> 127 </span>
<span id="L128" class="LineNr"> 128 </span>vector&lt;recipe_ordinal&gt; <a href='056shape_shifting_recipe.cc.html#L128'>keep_max</a><span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp; inst<span class="Delimiter">,</span> <span class="Normal">const</span> vector&lt;recipe_ordinal&gt;&amp; in<span class="Delimiter">,</span>
<span id="L129" class="LineNr"> 129 </span>                                <span class="Normal">int</span> <span class="Delimiter">(</span>*scorer<span class="Delimiter">)(</span><span class="Normal">const</span> instruction&amp;<span class="Delimiter">,</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a><span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L130" class="LineNr"> 130 </span>  assert<span class="Delimiter">(</span>!in<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
<span id="L131" class="LineNr"> 131 </span>  vector&lt;recipe_ordinal&gt; out<span class="Delimiter">;</span>
<span id="L132" class="LineNr"> 132 </span>  out<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>in<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span>
<span id="L133" class="LineNr"> 133 </span>  <span class="Normal">int</span> best_score = <span class="Delimiter">(</span>*scorer<span class="Delimiter">)(</span>inst<span class="Delimiter">,</span> in<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span>
<span id="L134" class="LineNr"> 134 </span><span class="CommentedCode">//?   cerr &lt;&lt; best_score &lt;&lt; &quot; &quot; &lt;&lt; header_label(get(Recipe, in.at(0))) &lt;&lt; '\n';</span>
<span id="L135" class="LineNr"> 135 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>in<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L136" class="LineNr"> 136 </span>    <span class="Normal">int</span> score = <span class="Delimiter">(</span>*scorer<span class="Delimiter">)(</span>inst<span class="Delimiter">,</span> in<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
<span id="L137" class="LineNr"> 137 </span><span class="CommentedCode">//?     cerr &lt;&lt; score &lt;&lt; &quot; &quot; &lt;&lt; header_label(get(Recipe, in.at(i))) &lt;&lt; '\n';</span>
<span id="L138" class="LineNr"> 138 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>score == best_score<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L139" class="LineNr"> 139 </span>      out<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>in<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
<span id="L140" class="LineNr"> 140 </span>    <span class="Delimiter">}</span>
<span id="L141" class="LineNr"> 141 </span>    <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>score &gt; best_score<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L142" class="LineNr"> 142 </span>      best_score = score<span class="Delimiter">;</span>
<span id="L143" class="LineNr"> 143 </span>      out<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
<span id="L144" class="LineNr"> 144 </span>      out<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>in<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
<span id="L145" class="LineNr"> 145 </span>    <span class="Delimiter">}</span>
<span id="L146" class="LineNr"> 146 </span>  <span class="Delimiter">}</span>
<span id="L147" class="LineNr"> 147 </span>  <span class="Identifier">return</span> out<span class="Delimiter">;</span>
<span id="L148" class="LineNr"> 148 </span><span class="Delimiter">}</span>
<span id="L149" class="LineNr"> 149 </span>
<span id="L150" class="LineNr"> 150 </span><span class="Normal">int</span> <a href='056shape_shifting_recipe.cc.html#L150'>arity_fit</a><span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp; inst<span class="Delimiter">,</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> candidate<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L151" class="LineNr"> 151 </span>  <span class="Normal">const</span> recipe&amp; r = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> candidate<span class="Delimiter">);</span>
<span id="L152" class="LineNr"> 152 </span>  <span class="Identifier">return</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> - <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>products<span class="Delimiter">))</span>
<span id="L153" class="LineNr"> 153 </span>       + <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>ingredients<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 id="L154" class="LineNr"> 154 </span><span class="Delimiter">}</span>
<span id="L155" class="LineNr"> 155 </span>
<span id="L156" class="LineNr"> 156 </span><span class="Normal">bool</span> <a href='056shape_shifting_recipe.cc.html#L156'>any_type_ingredient_in_header</a><span class="Delimiter">(</span><a href='010vm.cc.html#L14'>recipe_ordinal</a> variant<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L157" class="LineNr"> 157 </span>  <span class="Normal">const</span> recipe&amp; caller = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> variant<span class="Delimiter">);</span>
<span id="L158" class="LineNr"> 158 </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 &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L159" class="LineNr"> 159 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>contains_type_ingredient_name<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span>
<span id="L160" class="LineNr"> 160 </span>      <span class="Identifier">return</span><span class="Constant"> true</span><span class="Delimiter">;</span>
<span id="L161" class="LineNr"> 161 </span>  <span class="Delimiter">}</span>
<span id="L162" class="LineNr"> 162 </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 &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L163" class="LineNr"> 163 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>contains_type_ingredient_name<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span>
<span id="L164" class="LineNr"> 164 </span>      <span class="Identifier">return</span><span class="Constant"> true</span><span class="Delimiter">;</span>
<span id="L165" class="LineNr"> 165 </span>  <span class="Delimiter">}</span>
<span id="L166" class="LineNr"> 166 </span>  <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L167" class="LineNr"> 167 </span><span class="Delimiter">}</span>
<span id="L168" class="LineNr"> 168 </span>
<span id="L169" class="LineNr"> 169 </span><span class="Normal">bool</span> concrete_type_names_strictly_match<span class="Delimiter">(</span>reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> to<span class="Delimiter">,</span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> from<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L170" class="LineNr"> 170 </span>  canonize_type<span class="Delimiter">(</span>to<span class="Delimiter">);</span>
<span id="L171" class="LineNr"> 171 </span>  canonize_type<span class="Delimiter">(</span>from<span class="Delimiter">);</span>
<span id="L172" class="LineNr"> 172 </span>  <span class="Identifier">return</span> concrete_type_names_strictly_match<span class="Delimiter">(</span>to<span class="Delimiter">.</span>type<span class="Delimiter">,</span> from<span class="Delimiter">.</span>type<span class="Delimiter">,</span> from<span class="Delimiter">);</span>
<span id="L173" class="LineNr"> 173 </span><span class="Delimiter">}</span>
<span id="L174" class="LineNr"> 174 </span>
<span id="L175" class="LineNr"> 175 </span><span class="Normal">bool</span> concrete_type_names_strictly_match<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* to<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree* from<span class="Delimiter">,</span> <span class="Normal">const</span> reagent&amp; rhs_reagent<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L176" class="LineNr"> 176 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!to<span class="Delimiter">)</span> <span class="Identifier">return</span> !from<span class="Delimiter">;</span>
<span id="L177" class="LineNr"> 177 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!from<span class="Delimiter">)</span> <span class="Identifier">return</span> !to<span class="Delimiter">;</span>
<span id="L178" class="LineNr"> 178 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>to<span class="Delimiter">-&gt;</span>atom &amp;&amp; is_type_ingredient_name<span class="Delimiter">(</span>to<span class="Delimiter">-&gt;</span>name<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Constant"> true</span><span class="Delimiter">;</span>  <span class="Comment">// type ingredient matches anything</span>
<span id="L179" class="LineNr"> 179 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!to<span class="Delimiter">-&gt;</span>atom &amp;&amp; to<span class="Delimiter">-&gt;</span>right == <span class="Constant">NULL</span> &amp;&amp; to<span class="Delimiter">-&gt;</span>left != <span class="Constant">NULL</span> &amp;&amp; to<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>atom &amp;&amp; is_type_ingredient_name<span class="Delimiter">(</span>to<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>name<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Constant"> true</span><span class="Delimiter">;</span>
<span id="L180" class="LineNr"> 180 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>from<span class="Delimiter">-&gt;</span>atom &amp;&amp; is_mu_address<span class="Delimiter">(</span>to<span class="Delimiter">))</span>
<span id="L181" class="LineNr"> 181 </span>    <span class="Identifier">return</span> from<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;literal-address&quot;</span> &amp;&amp; rhs_reagent<span class="Delimiter">.</span>name == <span class="Constant">&quot;null&quot;</span><span class="Delimiter">;</span>
<span id="L182" class="LineNr"> 182 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!from<span class="Delimiter">-&gt;</span>atom &amp;&amp; !to<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span>
<span id="L183" class="LineNr"> 183 </span>    <span class="Identifier">return</span> concrete_type_names_strictly_match<span class="Delimiter">(</span>to<span class="Delimiter">-&gt;</span>left<span class="Delimiter">,</span> from<span class="Delimiter">-&gt;</span>left<span class="Delimiter">,</span> rhs_reagent<span class="Delimiter">)</span>
<span id="L184" class="LineNr"> 184 </span>        &amp;&amp; concrete_type_names_strictly_match<span class="Delimiter">(</span>to<span class="Delimiter">-&gt;</span>right<span class="Delimiter">,</span> from<span class="Delimiter">-&gt;</span>right<span class="Delimiter">,</span> rhs_reagent<span class="Delimiter">);</span>
<span id="L185" class="LineNr"> 185 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>from<span class="Delimiter">-&gt;</span>atom != to<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L186" class="LineNr"> 186 </span>  <span class="Comment">// both from and to are atoms</span>
<span id="L187" class="LineNr"> 187 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>from<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;literal&quot;</span><span class="Delimiter">)</span>
<span id="L188" class="LineNr"> 188 </span>    <span class="Identifier">return</span> Literal_type_names<span class="Delimiter">.</span>find<span class="Delimiter">(</span>to<span class="Delimiter">-&gt;</span>name<span class="Delimiter">)</span> != Literal_type_names<span class="Delimiter">.</span><a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span>
<span id="L189" class="LineNr"> 189 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>to<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;literal&quot;</span><span class="Delimiter">)</span>
<span id="L190" class="LineNr"> 190 </span>    <span class="Identifier">return</span> Literal_type_names<span class="Delimiter">.</span>find<span class="Delimiter">(</span>from<span class="Delimiter">-&gt;</span>name<span class="Delimiter">)</span> != Literal_type_names<span class="Delimiter">.</span><a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span>
<span id="L191" class="LineNr"> 191 </span>  <span class="Identifier">return</span> to<span class="Delimiter">-&gt;</span>name == from<span class="Delimiter">-&gt;</span>name<span class="Delimiter">;</span>
<span id="L192" class="LineNr"> 192 </span><span class="Delimiter">}</span>
<span id="L193" class="LineNr"> 193 </span>
<span id="L194" class="LineNr"> 194 </span><span class="Normal">bool</span> contains_type_ingredient_name<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L195" class="LineNr"> 195 </span>  <span class="Identifier">return</span> contains_type_ingredient_name<span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
<span id="L196" class="LineNr"> 196 </span><span class="Delimiter">}</span>
<span id="L197" class="LineNr"> 197 </span>
<span id="L198" class="LineNr"> 198 </span><span class="Normal">bool</span> contains_type_ingredient_name<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L199" class="LineNr"> 199 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L200" class="LineNr"> 200 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>is_type_ingredient_name<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Constant"> true</span><span class="Delimiter">;</span>
<span id="L201" class="LineNr"> 201 </span>  <span class="Identifier">return</span> contains_type_ingredient_name<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">)</span> || contains_type_ingredient_name<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">);</span>
<span id="L202" class="LineNr"> 202 </span><span class="Delimiter">}</span>
<span id="L203" class="LineNr"> 203 </span>
<span id="L204" class="LineNr"> 204 </span><span class="Normal">int</span> number_of_concrete_type_names<span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp; <span class="Comment">/*</span><span class="Comment">unused</span><span class="Comment">*/</span><span class="Delimiter">,</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L205" class="LineNr"> 205 </span>  <span class="Normal">const</span> recipe&amp; caller = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
<span id="L206" class="LineNr"> 206 </span>  <span class="Normal">int</span> result = <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L207" class="LineNr"> 207 </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 &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
<span id="L208" class="LineNr"> 208 </span>    result += number_of_concrete_type_names<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">);</span>
<span id="L209" class="LineNr"> 209 </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 &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
<span id="L210" class="LineNr"> 210 </span>    result += number_of_concrete_type_names<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">);</span>
<span id="L211" class="LineNr"> 211 </span>  <span class="Identifier">return</span> result<span class="Delimiter">;</span>
<span id="L212" class="LineNr"> 212 </span><span class="Delimiter">}</span>
<span id="L213" class="LineNr"> 213 </span>
<span id="L214" class="LineNr"> 214 </span><span class="Normal">int</span> number_of_concrete_type_names<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L215" class="LineNr"> 215 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L216" class="LineNr"> 216 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span>
<span id="L217" class="LineNr"> 217 </span>    <span class="Identifier">return</span> is_type_ingredient_name<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">)</span> ? <span class="Constant">0</span> : <span class="Constant">1</span><span class="Delimiter">;</span>
<span id="L218" class="LineNr"> 218 </span>  <span class="Identifier">return</span> number_of_concrete_type_names<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">)</span>
<span id="L219" class="LineNr"> 219 </span>       + number_of_concrete_type_names<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">);</span>
<span id="L220" class="LineNr"> 220 </span><span class="Delimiter">}</span>
<span id="L221" class="LineNr"> 221 </span>
<span id="L222" class="LineNr"> 222 </span><span class="Normal">int</span> number_of_type_ingredients<span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp; <span class="Comment">/*</span><span class="Comment">unused</span><span class="Comment">*/</span><span class="Delimiter">,</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L223" class="LineNr"> 223 </span>  <span class="Normal">const</span> recipe&amp; caller = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
<span id="L224" class="LineNr"> 224 </span>  <span class="Normal">int</span> result = <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L225" class="LineNr"> 225 </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 &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
<span id="L226" class="LineNr"> 226 </span>    result += number_of_type_ingredients<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">);</span>
<span id="L227" class="LineNr"> 227 </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 &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
<span id="L228" class="LineNr"> 228 </span>    result += number_of_type_ingredients<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">);</span>
<span id="L229" class="LineNr"> 229 </span>  <span class="Identifier">return</span> result<span class="Delimiter">;</span>
<span id="L230" class="LineNr"> 230 </span><span class="Delimiter">}</span>
<span id="L231" class="LineNr"> 231 </span>
<span id="L232" class="LineNr"> 232 </span><span class="Normal">int</span> number_of_type_ingredients<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L233" class="LineNr"> 233 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L234" class="LineNr"> 234 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span>
<span id="L235" class="LineNr"> 235 </span>    <span class="Identifier">return</span> is_type_ingredient_name<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">)</span> ? <span class="Constant">1</span> : <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L236" class="LineNr"> 236 </span>  <span class="Identifier">return</span> number_of_type_ingredients<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">)</span>
<span id="L237" class="LineNr"> 237 </span>       + number_of_type_ingredients<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">);</span>
<span id="L238" class="LineNr"> 238 </span><span class="Delimiter">}</span>
<span id="L239" class="LineNr"> 239 </span>
<span id="L240" class="LineNr"> 240 </span><span class="Comment">// returns name of new variant</span>
<span id="L241" class="LineNr"> 241 </span>string <a href='056shape_shifting_recipe.cc.html#L241'>insert_new_variant</a><span class="Delimiter">(</span><a href='010vm.cc.html#L14'>recipe_ordinal</a> exemplar<span class="Delimiter">,</span> <span class="Normal">const</span> instruction&amp; inst<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; caller_recipe<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L242" class="LineNr"> 242 </span>  string new_name = <a href='054static_dispatch.cc.html#L111'>next_unused_recipe_name</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name<span class="Delimiter">);</span>
<span id="L243" class="LineNr"> 243 </span>  assert<span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> new_name<span class="Delimiter">));</span>
<span id="L244" class="LineNr"> 244 </span>  <a href='010vm.cc.html#L14'>recipe_ordinal</a> new_recipe_ordinal = <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> new_name<span class="Delimiter">,</span> Next_recipe_ordinal++<span class="Delimiter">);</span>
<span id="L245" class="LineNr"> 245 </span>  <span class="Comment">// make a copy</span>
<span id="L246" class="LineNr"> 246 </span>  assert<span class="Delimiter">(</span><a href='001help.cc.html#L226'>contains_key</a><span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> exemplar<span class="Delimiter">));</span>
<span id="L247" class="LineNr"> 247 </span>  assert<span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> new_recipe_ordinal<span class="Delimiter">));</span>
<span id="L248" class="LineNr"> 248 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> new_recipe_ordinal<span class="Delimiter">,</span> <span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> exemplar<span class="Delimiter">));</span>
<span id="L249" class="LineNr"> 249 </span>  recipe&amp; new_recipe = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> new_recipe_ordinal<span class="Delimiter">);</span>
<span id="L250" class="LineNr"> 250 </span>  new_recipe<span class="Delimiter">.</span>name = new_name<span class="Delimiter">;</span>
<span id="L251" class="LineNr"> 251 </span>  new_recipe<span class="Delimiter">.</span>ordinal = new_recipe_ordinal<span class="Delimiter">;</span>
<span id="L252" class="LineNr"> 252 </span>  new_recipe<span class="Delimiter">.</span>is_autogenerated =<span class="Constant"> true</span><span class="Delimiter">;</span>
<span id="L253" class="LineNr"> 253 </span>  <a href='003trace.cc.html#L190'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;switching &quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot; to specialized &quot;</span> &lt;&lt; header_label<span class="Delimiter">(</span>new_recipe<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span>
<span id="L254" class="LineNr"> 254 </span>
<span id="L255" class="LineNr"> 255 </span>  <a href='003trace.cc.html#L190'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;transforming new specialization: &quot;</span> &lt;&lt; new_recipe<span class="Delimiter">.</span>name &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span>
<span id="L256" class="LineNr"> 256 </span>  <a href='003trace.cc.html#L190'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; new_recipe<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;: performing transforms until check_or_set_types_by_name&quot;</span> &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span>
<span id="L257" class="LineNr"> 257 </span>  <span class="Normal">int</span> transform_index = <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L258" class="LineNr"> 258 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>transform_index = <span class="Constant">0</span><span class="Delimiter">;</span>  transform_index &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Transform<span class="Delimiter">);</span>  ++transform_index<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L259" class="LineNr"> 259 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>Transform<span class="Delimiter">.</span>at<span class="Delimiter">(</span>transform_index<span class="Delimiter">)</span> == <a href='046check_type_by_name.cc.html#L35'>check_or_set_types_by_name</a><span class="Delimiter">)</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L260" class="LineNr"> 260 </span>    <span class="Delimiter">(</span>*Transform<span class="Delimiter">.</span>at<span class="Delimiter">(</span>transform_index<span class="Delimiter">))(</span>new_recipe_ordinal<span class="Delimiter">);</span>
<span id="L261" class="LineNr"> 261 </span>  <span class="Delimiter">}</span>
<span id="L262" class="LineNr"> 262 </span>  new_recipe<span class="Delimiter">.</span>transformed_until = transform_index-<span class="Constant">1</span><span class="Delimiter">;</span>
<span id="L263" class="LineNr"> 263 </span>
<span id="L264" class="LineNr"> 264 </span>  <a href='003trace.cc.html#L190'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; new_recipe<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;: performing type-ingredient-aware version of <a href='012transform.cc.html#L99'>transform</a> check_or_set_types_by_name&quot;</span> &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span>
<span id="L265" class="LineNr"> 265 </span>  <a href='056shape_shifting_recipe.cc.html#L290'>compute_type_names</a><span class="Delimiter">(</span>new_recipe<span class="Delimiter">);</span>
<span id="L266" class="LineNr"> 266 </span>  new_recipe<span class="Delimiter">.</span>transformed_until++<span class="Delimiter">;</span>
<span id="L267" class="LineNr"> 267 </span>
<span id="L268" class="LineNr"> 268 </span>  <a href='003trace.cc.html#L190'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; new_recipe<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;: replacing type ingredients&quot;</span> &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span>
<span id="L269" class="LineNr"> 269 </span>  <span class="Delimiter">{</span>
<span id="L270" class="LineNr"> 270 </span>    map&lt;string<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree*&gt; mappings<span class="Delimiter">;</span>
<span id="L271" class="LineNr"> 271 </span>    <span class="Normal">bool</span> error =<span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L272" class="LineNr"> 272 </span>    <a href='056shape_shifting_recipe.cc.html#L328'>compute_type_ingredient_mappings</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> exemplar<span class="Delimiter">),</span> inst<span class="Delimiter">,</span> mappings<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">,</span> &amp;error<span class="Delimiter">);</span>
<span id="L273" class="LineNr"> 273 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!error<span class="Delimiter">)</span> error = <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>mappings<span class="Delimiter">)</span> != <a href='056shape_shifting_recipe.cc.html#L466'>type_ingredient_count_in_header</a><span class="Delimiter">(</span>exemplar<span class="Delimiter">));</span>
<span id="L274" class="LineNr"> 274 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!error<span class="Delimiter">)</span> replace_type_ingredients<span class="Delimiter">(</span>new_recipe<span class="Delimiter">,</span> mappings<span class="Delimiter">);</span>
<span id="L275" class="LineNr"> 275 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span>map&lt;string<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree*&gt;::iterator p = mappings<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>  p != mappings<span class="Delimiter">.</span><a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span>  ++p<span class="Delimiter">)</span>
<span id="L276" class="LineNr"> 276 </span>      <span class="Normal">delete</span> p<span class="Delimiter">-&gt;</span>second<span class="Delimiter">;</span>
<span id="L277" class="LineNr"> 277 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>error<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">;</span>
<span id="L278" class="LineNr"> 278 </span>  <span class="Delimiter">}</span>
<span id="L279" class="LineNr"> 279 </span>  ensure_all_concrete_types<span class="Delimiter">(</span>new_recipe<span class="Delimiter">,</span> get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> exemplar<span class="Delimiter">));</span>
<span id="L280" class="LineNr"> 280 </span>
<span id="L281" class="LineNr"> 281 </span>  <a href='003trace.cc.html#L190'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; new_recipe<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;: recording the new variant before recursively calling resolve_ambiguous_calls&quot;</span> &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span>
<span id="L282" class="LineNr"> 282 </span>  get<span class="Delimiter">(</span>Recipe_variants<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>name<span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>new_recipe_ordinal<span class="Delimiter">);</span>
<span id="L283" class="LineNr"> 283 </span>  <a href='003trace.cc.html#L190'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; new_recipe<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;: performing remaining transforms (including resolve_ambiguous_calls)&quot;</span> &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span>
<span id="L284" class="LineNr"> 284 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">nada</span><span class="Comment">*/</span><span class="Delimiter">;</span>  transform_index &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Transform<span class="Delimiter">);</span>  ++transform_index<span class="Delimiter">)</span>
<span id="L285" class="LineNr"> 285 </span>    <span class="Delimiter">(</span>*Transform<span class="Delimiter">.</span>at<span class="Delimiter">(</span>transform_index<span class="Delimiter">))(</span>new_recipe_ordinal<span class="Delimiter">);</span>
<span id="L286" class="LineNr"> 286 </span>  new_recipe<span class="Delimiter">.</span>transformed_until = <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Transform<span class="Delimiter">)</span>-<span class="Constant">1</span><span class="Delimiter">;</span>
<span id="L287" class="LineNr"> 287 </span>  <span class="Identifier">return</span> new_recipe<span class="Delimiter">.</span>name<span class="Delimiter">;</span>
<span id="L288" class="LineNr"> 288 </span><span class="Delimiter">}</span>
<span id="L289" class="LineNr"> 289 </span>
<span id="L290" class="LineNr"> 290 </span><span class="Normal">void</span> <a href='056shape_shifting_recipe.cc.html#L290'>compute_type_names</a><span class="Delimiter">(</span>recipe&amp; variant<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L291" class="LineNr"> 291 </span>  <a href='003trace.cc.html#L190'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;-- compute type names: &quot;</span> &lt;&lt; variant<span class="Delimiter">.</span>name &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span>
<span id="L292" class="LineNr"> 292 </span>  map&lt;string<span class="Delimiter">,</span> type_tree*&gt; type_names<span class="Delimiter">;</span>
<span id="L293" class="LineNr"> 293 </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 &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
<span id="L294" class="LineNr"> 294 </span>    <a href='056shape_shifting_recipe.cc.html#L307'>save_or_deduce_type_name</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> type_names<span class="Delimiter">,</span> variant<span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>
<span id="L295" class="LineNr"> 295 </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 &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
<span id="L296" class="LineNr"> 296 </span>    <a href='056shape_shifting_recipe.cc.html#L307'>save_or_deduce_type_name</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> type_names<span class="Delimiter">,</span> variant<span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>
<span id="L297" class="LineNr"> 297 </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 &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L298" class="LineNr"> 298 </span>    instruction&amp; inst = variant<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span id="L299" class="LineNr"> 299 </span>    <a href='003trace.cc.html#L190'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;  <a href='010vm.cc.html#L33'>instruction</a>: &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span>
<span id="L300" class="LineNr"> 300 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> in = <span class="Constant">0</span><span class="Delimiter">;</span>  in &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++in<span class="Delimiter">)</span>
<span id="L301" class="LineNr"> 301 </span>      <a href='056shape_shifting_recipe.cc.html#L307'>save_or_deduce_type_name</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>in<span class="Delimiter">),</span> type_names<span class="Delimiter">,</span> variant<span class="Delimiter">,</span> <span class="Constant">&quot; in '&quot;</span> + to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> + <span class="Constant">&quot;'&quot;</span><span class="Delimiter">);</span>
<span id="L302" class="LineNr"> 302 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> out = <span class="Constant">0</span><span class="Delimiter">;</span>  out &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++out<span class="Delimiter">)</span>
<span id="L303" class="LineNr"> 303 </span>      <a href='056shape_shifting_recipe.cc.html#L307'>save_or_deduce_type_name</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>out<span class="Delimiter">),</span> type_names<span class="Delimiter">,</span> variant<span class="Delimiter">,</span> <span class="Constant">&quot; in '&quot;</span> + to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> + <span class="Constant">&quot;'&quot;</span><span class="Delimiter">);</span>
<span id="L304" class="LineNr"> 304 </span>  <span class="Delimiter">}</span>
<span id="L305" class="LineNr"> 305 </span><span class="Delimiter">}</span>
<span id="L306" class="LineNr"> 306 </span>
<span id="L307" class="LineNr"> 307 </span><span class="Normal">void</span> <a href='056shape_shifting_recipe.cc.html#L307'>save_or_deduce_type_name</a><span class="Delimiter">(</span>reagent&amp; x<span class="Delimiter">,</span> map&lt;string<span class="Delimiter">,</span> type_tree*&gt;&amp; type<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; variant<span class="Delimiter">,</span> <span class="Normal">const</span> string&amp; context<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L308" class="LineNr"> 308 </span>  <a href='003trace.cc.html#L190'>trace</a><span class="Delimiter">(</span><span class="Constant">9994</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;    checking &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>x<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;: &quot;</span> &lt;&lt; names_to_string<span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span>
<span id="L309" class="LineNr"> 309 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>type &amp;&amp; <a href='001help.cc.html#L226'>contains_key</a><span class="Delimiter">(</span>type<span class="Delimiter">,</span> x<span class="Delimiter">.</span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L310" class="LineNr"> 310 </span>    x<span class="Delimiter">.</span>type = <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*get<span class="Delimiter">(</span>type<span class="Delimiter">,</span> x<span class="Delimiter">.</span>name<span class="Delimiter">));</span>
<span id="L311" class="LineNr"> 311 </span>    <a href='003trace.cc.html#L190'>trace</a><span class="Delimiter">(</span><span class="Constant">9994</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;    deducing type to &quot;</span> &lt;&lt; names_to_string<span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span>
<span id="L312" class="LineNr"> 312 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L313" class="LineNr"> 313 </span>  <span class="Delimiter">}</span>
<span id="L314" class="LineNr"> 314 </span>  <span class="Comment">// Type Check in Type-ingredient-aware check_or_set_types_by_name</span>
<span id="L315" class="LineNr"> 315 </span>  <span class="Comment">// This is different from check_or_set_types_by_name.</span>
<span id="L316" class="LineNr"> 316 </span>  <span class="Comment">// We've found it useful in the past for tracking down bugs in</span>
<span id="L317" class="LineNr"> 317 </span>  <span class="Comment">// specialization.</span>
<span id="L318" class="LineNr"> 318 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L319" class="LineNr"> 319 </span>    <a href='003trace.cc.html#L197'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>original_name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;unknown type for '&quot;</span> &lt;&lt; x<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; context &lt;&lt; <span class="Constant">&quot; (check the name for typos)</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span>
<span id="L320" class="LineNr"> 320 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L321" class="LineNr"> 321 </span>  <span class="Delimiter">}</span>
<span id="L322" class="LineNr"> 322 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L226'>contains_key</a><span class="Delimiter">(</span>type<span class="Delimiter">,</span> x<span class="Delimiter">.</span>name<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L323" class="LineNr"> 323 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;offset&quot;</span> || x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;variant&quot;</span><span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>  <span class="Comment">// special-case for container-access instructions</span>
<span id="L324" class="LineNr"> 324 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>type<span class="Delimiter">,</span> x<span class="Delimiter">.</span>name<span class="Delimiter">,</span> x<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
<span id="L325" class="LineNr"> 325 </span>  <a href='003trace.cc.html#L190'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;type of '&quot;</span> &lt;&lt; x<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;' is &quot;</span> &lt;&lt; names_to_string<span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span>
<span id="L326" class="LineNr"> 326 </span><span class="Delimiter">}</span>
<span id="L327" class="LineNr"> 327 </span>
<span id="L328" class="LineNr"> 328 </span><span class="Normal">void</span> <a href='056shape_shifting_recipe.cc.html#L328'>compute_type_ingredient_mappings</a><span class="Delimiter">(</span><span class="Normal">const</span> recipe&amp; exemplar<span class="Delimiter">,</span> <span class="Normal">const</span> instruction&amp; inst<span class="Delimiter">,</span> map&lt;string<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree*&gt;&amp; mappings<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; caller_recipe<span class="Delimiter">,</span> <span class="Normal">bool</span>* error<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L329" class="LineNr"> 329 </span>  <span class="Normal">int</span> limit = min<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> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>exemplar<span class="Delimiter">.</span>ingredients<span class="Delimiter">));</span>
<span id="L330" class="LineNr"> 330 </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 &lt; limit<span class="Delimiter">;</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L331" class="LineNr"> 331 </span>    <span class="Normal">const</span> reagent&amp; exemplar_reagent = exemplar<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span id="L332" class="LineNr"> 332 </span>    reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> ingredient = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span id="L333" class="LineNr"> 333 </span>    canonize_type<span class="Delimiter">(</span>ingredient<span class="Delimiter">);</span>
<span id="L334" class="LineNr"> 334 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>is_mu_address<span class="Delimiter">(</span>exemplar_reagent<span class="Delimiter">)</span> &amp;&amp; ingredient<span class="Delimiter">.</span>name == <span class="Constant">&quot;null&quot;</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>  <span class="Comment">// assume it matches</span>
<span id="L335" class="LineNr"> 335 </span>    accumulate_type_ingredients<span class="Delimiter">(</span>exemplar_reagent<span class="Delimiter">,</span> ingredient<span class="Delimiter">,</span> mappings<span class="Delimiter">,</span> exemplar<span class="Delimiter">,</span> inst<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">,</span> error<span class="Delimiter">);</span>
<span id="L336" class="LineNr"> 336 </span>  <span class="Delimiter">}</span>
<span id="L337" class="LineNr"> 337 </span>  limit = min<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> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>exemplar<span class="Delimiter">.</span>products<span class="Delimiter">));</span>
<span id="L338" class="LineNr"> 338 </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 &lt; limit<span class="Delimiter">;</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L339" class="LineNr"> 339 </span>    <span class="Normal">const</span> reagent&amp; exemplar_reagent = exemplar<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span id="L340" class="LineNr"> 340 </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>i<span class="Delimiter">);</span>
<span id="L341" class="LineNr"> 341 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>is_dummy<span class="Delimiter">(</span>product<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L342" class="LineNr"> 342 </span>    canonize_type<span class="Delimiter">(</span>product<span class="Delimiter">);</span>
<span id="L343" class="LineNr"> 343 </span>    accumulate_type_ingredients<span class="Delimiter">(</span>exemplar_reagent<span class="Delimiter">,</span> product<span class="Delimiter">,</span> mappings<span class="Delimiter">,</span> exemplar<span class="Delimiter">,</span> inst<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">,</span> error<span class="Delimiter">);</span>
<span id="L344" class="LineNr"> 344 </span>  <span class="Delimiter">}</span>
<span id="L345" class="LineNr"> 345 </span><span class="Delimiter">}</span>
<span id="L346" class="LineNr"> 346 </span>
<span id="L347" class="LineNr"> 347 </span><span class="Normal">void</span> accumulate_type_ingredients<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; exemplar_reagent<span class="Delimiter">,</span> reagent&amp; refinement<span class="Delimiter">,</span> map&lt;string<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree*&gt;&amp; mappings<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; exemplar<span class="Delimiter">,</span> <span class="Normal">const</span> instruction&amp; call_instruction<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; caller_recipe<span class="Delimiter">,</span> <span class="Normal">bool</span>* error<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L348" class="LineNr"> 348 </span>  assert<span class="Delimiter">(</span>refinement<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
<span id="L349" class="LineNr"> 349 </span>  accumulate_type_ingredients<span class="Delimiter">(</span>exemplar_reagent<span class="Delimiter">.</span>type<span class="Delimiter">,</span> refinement<span class="Delimiter">.</span>type<span class="Delimiter">,</span> mappings<span class="Delimiter">,</span> exemplar<span class="Delimiter">,</span> exemplar_reagent<span class="Delimiter">,</span> call_instruction<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">,</span> error<span class="Delimiter">);</span>
<span id="L350" class="LineNr"> 350 </span><span class="Delimiter">}</span>
<span id="L351" class="LineNr"> 351 </span>
<span id="L352" class="LineNr"> 352 </span><span class="Normal">void</span> accumulate_type_ingredients<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* exemplar_type<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree* refinement_type<span class="Delimiter">,</span> map&lt;string<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree*&gt;&amp; mappings<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; exemplar<span class="Delimiter">,</span> <span class="Normal">const</span> reagent&amp; exemplar_reagent<span class="Delimiter">,</span> <span class="Normal">const</span> instruction&amp; call_instruction<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; caller_recipe<span class="Delimiter">,</span> <span class="Normal">bool</span>* error<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L353" class="LineNr"> 353 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!exemplar_type<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L354" class="LineNr"> 354 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!refinement_type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L355" class="LineNr"> 355 </span>    <span class="Comment">// probably a bug in mu</span>
<span id="L356" class="LineNr"> 356 </span>    <span class="Comment">// todo: make this smarter; only flag an error if exemplar_type contains some *new* type ingredient</span>
<span id="L357" class="LineNr"> 357 </span>    <a href='003trace.cc.html#L197'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>exemplar<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;missing type ingredient for &quot;</span> &lt;&lt; exemplar_reagent<span class="Delimiter">.</span>original_string &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span>
<span id="L358" class="LineNr"> 358 </span>    <a href='003trace.cc.html#L197'>raise</a> &lt;&lt; <span class="Constant">&quot;  (called from '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>call_instruction<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;')</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span>
<span id="L359" class="LineNr"> 359 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L360" class="LineNr"> 360 </span>  <span class="Delimiter">}</span>
<span id="L361" class="LineNr"> 361 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!exemplar_type<span class="Delimiter">-&gt;</span>atom &amp;&amp; exemplar_type<span class="Delimiter">-&gt;</span>right == <span class="Constant">NULL</span> &amp;&amp; !refinement_type<span class="Delimiter">-&gt;</span>atom &amp;&amp; refinement_type<span class="Delimiter">-&gt;</span>right != <span class="Constant">NULL</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L362" class="LineNr"> 362 </span>    exemplar_type = exemplar_type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">;</span>
<span id="L363" class="LineNr"> 363 </span>    <a href='003trace.cc.html#L200'>assert_for_now</a><span class="Delimiter">(</span>exemplar_type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
<span id="L364" class="LineNr"> 364 </span>  <span class="Delimiter">}</span>
<span id="L365" class="LineNr"> 365 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>exemplar_type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L366" class="LineNr"> 366 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>is_type_ingredient_name<span class="Delimiter">(</span>exemplar_type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L367" class="LineNr"> 367 </span>      <span class="Normal">const</span> type_tree* curr_refinement_type = <span class="Constant">NULL</span><span class="Delimiter">;</span>  <span class="Comment">// temporary heap allocation; must always be deleted before it goes out of scope</span>
<span id="L368" class="LineNr"> 368 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span>exemplar_type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span>
<span id="L369" class="LineNr"> 369 </span>        curr_refinement_type = <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*refinement_type<span class="Delimiter">);</span>
<span id="L370" class="LineNr"> 370 </span>      <span class="Normal">else</span> <span class="Delimiter">{</span>
<span id="L371" class="LineNr"> 371 </span>        assert<span class="Delimiter">(</span>!refinement_type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
<span id="L372" class="LineNr"> 372 </span>        curr_refinement_type = <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*refinement_type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">);</span>
<span id="L373" class="LineNr"> 373 </span>      <span class="Delimiter">}</span>
<span id="L374" class="LineNr"> 374 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> exemplar_type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L375" class="LineNr"> 375 </span>        <a href='003trace.cc.html#L190'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;adding mapping from &quot;</span> &lt;&lt; exemplar_type<span class="Delimiter">-&gt;</span>name &lt;&lt; <span class="Constant">&quot; to &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>curr_refinement_type<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span>
<span id="L376" class="LineNr"> 376 </span>        <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> exemplar_type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*curr_refinement_type<span class="Delimiter">));</span>
<span id="L377" class="LineNr"> 377 </span>      <span class="Delimiter">}</span>
<span id="L378" class="LineNr"> 378 </span>      <span class="Normal">else</span> <span class="Delimiter">{</span>
<span id="L379" class="LineNr"> 379 </span>        <span class="Normal">if</span> <span class="Delimiter">(</span>!deeply_equal_type_names<span class="Delimiter">(</span>get<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> exemplar_type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">),</span> curr_refinement_type<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L380" class="LineNr"> 380 </span>          <a href='003trace.cc.html#L197'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;no call found for '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>call_instruction<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span>
<span id="L381" class="LineNr"> 381 </span>          *error =<span class="Constant"> true</span><span class="Delimiter">;</span>
<span id="L382" class="LineNr"> 382 </span>          <span class="Normal">delete</span> curr_refinement_type<span class="Delimiter">;</span>
<span id="L383" class="LineNr"> 383 </span>          <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L384" class="LineNr"> 384 </span>        <span class="Delimiter">}</span>
<span id="L385" class="LineNr"> 385 </span>        <span class="Normal">if</span> <span class="Delimiter">(</span>get<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> exemplar_type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">)-&gt;</span>name == <span class="Constant">&quot;literal&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L386" class="LineNr"> 386 </span>          <span class="Normal">delete</span> get<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> exemplar_type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">);</span>
<span id="L387" class="LineNr"> 387 </span>          <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> exemplar_type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*curr_refinement_type<span class="Delimiter">));</span>
<span id="L388" class="LineNr"> 388 </span>        <span class="Delimiter">}</span>
<span id="L389" class="LineNr"> 389 </span>      <span class="Delimiter">}</span>
<span id="L390" class="LineNr"> 390 </span>      <span class="Normal">delete</span> curr_refinement_type<span class="Delimiter">;</span>
<span id="L391" class="LineNr"> 391 </span>    <span class="Delimiter">}</span>
<span id="L392" class="LineNr"> 392 </span>  <span class="Delimiter">}</span>
<span id="L393" class="LineNr"> 393 </span>  <span class="Normal">else</span> <span class="Delimiter">{</span>
<span id="L394" class="LineNr"> 394 </span>    accumulate_type_ingredients<span class="Delimiter">(</span>exemplar_type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">,</span> refinement_type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">,</span> mappings<span class="Delimiter">,</span> exemplar<span class="Delimiter">,</span> exemplar_reagent<span class="Delimiter">,</span> call_instruction<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">,</span> error<span class="Delimiter">);</span>
<span id="L395" class="LineNr"> 395 </span>    accumulate_type_ingredients<span class="Delimiter">(</span>exemplar_type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">,</span> refinement_type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">,</span> mappings<span class="Delimiter">,</span> exemplar<span class="Delimiter">,</span> exemplar_reagent<span class="Delimiter">,</span> call_instruction<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">,</span> error<span class="Delimiter">);</span>
<span id="L396" class="LineNr"> 396 </span>  <span class="Delimiter">}</span>
<span id="L397" class="LineNr"> 397 </span><span class="Delimiter">}</span>
<span id="L398" class="LineNr"> 398 </span>
<span id="L399" class="LineNr"> 399 </span><span class="Normal">void</span> replace_type_ingredients<span class="Delimiter">(</span>recipe&amp; new_recipe<span class="Delimiter">,</span> <span class="Normal">const</span> map&lt;string<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree*&gt;&amp; mappings<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L400" class="LineNr"> 400 </span>  <span class="Comment">// update its header</span>
<span id="L401" class="LineNr"> 401 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>mappings<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L402" class="LineNr"> 402 </span>  <a href='003trace.cc.html#L190'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;replacing in <a href='010vm.cc.html#L19'>recipe</a> header ingredients&quot;</span> &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span>
<span id="L403" class="LineNr"> 403 </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 &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
<span id="L404" class="LineNr"> 404 </span>    replace_type_ingredients<span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> mappings<span class="Delimiter">,</span> new_recipe<span class="Delimiter">);</span>
<span id="L405" class="LineNr"> 405 </span>  <a href='003trace.cc.html#L190'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;replacing in <a href='010vm.cc.html#L19'>recipe</a> header products&quot;</span> &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span>
<span id="L406" class="LineNr"> 406 </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 &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
<span id="L407" class="LineNr"> 407 </span>    replace_type_ingredients<span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> mappings<span class="Delimiter">,</span> new_recipe<span class="Delimiter">);</span>
<span id="L408" class="LineNr"> 408 </span>  <span class="Comment">// update its body</span>
<span id="L409" class="LineNr"> 409 </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 &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L410" class="LineNr"> 410 </span>    instruction&amp; inst = new_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span id="L411" class="LineNr"> 411 </span>    <a href='003trace.cc.html#L190'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;replacing in <a href='010vm.cc.html#L33'>instruction</a> '&quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span>
<span id="L412" class="LineNr"> 412 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span>
<span id="L413" class="LineNr"> 413 </span>      replace_type_ingredients<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">),</span> mappings<span class="Delimiter">,</span> new_recipe<span class="Delimiter">);</span>
<span id="L414" class="LineNr"> 414 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span>
<span id="L415" class="LineNr"> 415 </span>      replace_type_ingredients<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">),</span> mappings<span class="Delimiter">,</span> new_recipe<span class="Delimiter">);</span>
<span id="L416" class="LineNr"> 416 </span>    <span class="Comment">// special-case for new: replace type ingredient in first ingredient *value*</span>
<span id="L417" class="LineNr"> 417 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;new&quot;</span> &amp;&amp; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>type<span class="Delimiter">-&gt;</span>name != <span class="Constant">&quot;literal-string&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L418" class="LineNr"> 418 </span>      type_tree* type = <a href='056shape_shifting_recipe.cc.html#L483'>parse_type_tree</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name<span class="Delimiter">);</span>
<span id="L419" class="LineNr"> 419 </span>      replace_type_ingredients<span class="Delimiter">(</span>type<span class="Delimiter">,</span> mappings<span class="Delimiter">);</span>
<span id="L420" class="LineNr"> 420 </span>      inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name = inspect<span class="Delimiter">(</span>type<span class="Delimiter">);</span>
<span id="L421" class="LineNr"> 421 </span>      <span class="Normal">delete</span> type<span class="Delimiter">;</span>
<span id="L422" class="LineNr"> 422 </span>    <span class="Delimiter">}</span>
<span id="L423" class="LineNr"> 423 </span>  <span class="Delimiter">}</span>
<span id="L424" class="LineNr"> 424 </span><span class="Delimiter">}</span>
<span id="L425" class="LineNr"> 425 </span>
<span id="L426" class="LineNr"> 426 </span><span class="Normal">void</span> replace_type_ingredients<span class="Delimiter">(</span>reagent&amp; x<span class="Delimiter">,</span> <span class="Normal">const</span> map&lt;string<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree*&gt;&amp; mappings<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; caller<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L427" class="LineNr"> 427 </span>  string before = <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>x<span class="Delimiter">);</span>
<span id="L428" class="LineNr"> 428 </span>  <a href='003trace.cc.html#L190'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;replacing in ingredient &quot;</span> &lt;&lt; x<span class="Delimiter">.</span>original_string &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span>
<span id="L429" class="LineNr"> 429 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L430" class="LineNr"> 430 </span>    <a href='003trace.cc.html#L197'>raise</a> &lt;&lt; <span class="Constant">&quot;specializing &quot;</span> &lt;&lt; caller<span class="Delimiter">.</span>original_name &lt;&lt; <span class="Constant">&quot;: missing type for '&quot;</span> &lt;&lt; x<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span>
<span id="L431" class="LineNr"> 431 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L432" class="LineNr"> 432 </span>  <span class="Delimiter">}</span>
<span id="L433" class="LineNr"> 433 </span>  replace_type_ingredients<span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">,</span> mappings<span class="Delimiter">);</span>
<span id="L434" class="LineNr"> 434 </span><span class="Delimiter">}</span>
<span id="L435" class="LineNr"> 435 </span>
<span id="L436" class="LineNr"> 436 </span><span class="Normal">void</span> replace_type_ingredients<span class="Delimiter">(</span>type_tree* type<span class="Delimiter">,</span> <span class="Normal">const</span> map&lt;string<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree*&gt;&amp; mappings<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L437" class="LineNr"> 437 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L438" class="LineNr"> 438 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L439" class="LineNr"> 439 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>right == <span class="Constant">NULL</span> &amp;&amp; type<span class="Delimiter">-&gt;</span>left != <span class="Constant">NULL</span> &amp;&amp; type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>atom &amp;&amp; <a href='001help.cc.html#L226'>contains_key</a><span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>name<span class="Delimiter">)</span> &amp;&amp; !get<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>name<span class="Delimiter">)-&gt;</span>atom &amp;&amp; get<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>name<span class="Delimiter">)-&gt;</span>right != <span class="Constant">NULL</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L440" class="LineNr"> 440 </span>      *type = *get<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>name<span class="Delimiter">);</span>
<span id="L441" class="LineNr"> 441 </span>      <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L442" class="LineNr"> 442 </span>    <span class="Delimiter">}</span>
<span id="L443" class="LineNr"> 443 </span>    replace_type_ingredients<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">,</span> mappings<span class="Delimiter">);</span>
<span id="L444" class="LineNr"> 444 </span>    replace_type_ingredients<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">,</span> mappings<span class="Delimiter">);</span>
<span id="L445" class="LineNr"> 445 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L446" class="LineNr"> 446 </span>  <span class="Delimiter">}</span>
<span id="L447" class="LineNr"> 447 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L226'>contains_key</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">))</span>  <span class="Comment">// todo: ugly side effect</span>
<span id="L448" class="LineNr"> 448 </span>    type<span class="Delimiter">-&gt;</span>value = get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">);</span>
<span id="L449" class="LineNr"> 449 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">))</span>
<span id="L450" class="LineNr"> 450 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L451" class="LineNr"> 451 </span>  <span class="Normal">const</span> type_tree* replacement = get<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">);</span>
<span id="L452" class="LineNr"> 452 </span>  <a href='003trace.cc.html#L190'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; type<span class="Delimiter">-&gt;</span>name &lt;&lt; <span class="Constant">&quot; =&gt; &quot;</span> &lt;&lt; names_to_string<span class="Delimiter">(</span>replacement<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span>
<span id="L453" class="LineNr"> 453 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>replacement<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L454" class="LineNr"> 454 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> replacement<span class="Delimiter">-&gt;</span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L455" class="LineNr"> 455 </span>      <span class="Comment">// error in program; should be reported elsewhere</span>
<span id="L456" class="LineNr"> 456 </span>      <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L457" class="LineNr"> 457 </span>    <span class="Delimiter">}</span>
<span id="L458" class="LineNr"> 458 </span>    type<span class="Delimiter">-&gt;</span>name = <span class="Delimiter">(</span>replacement<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;literal&quot;</span><span class="Delimiter">)</span> ? <span class="Constant">&quot;number&quot;</span> : replacement<span class="Delimiter">-&gt;</span>name<span class="Delimiter">;</span>
<span id="L459" class="LineNr"> 459 </span>    type<span class="Delimiter">-&gt;</span>value = get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">);</span>
<span id="L460" class="LineNr"> 460 </span>  <span class="Delimiter">}</span>
<span id="L461" class="LineNr"> 461 </span>  <span class="Normal">else</span> <span class="Delimiter">{</span>
<span id="L462" class="LineNr"> 462 </span>    *type = *replacement<span class="Delimiter">;</span>
<span id="L463" class="LineNr"> 463 </span>  <span class="Delimiter">}</span>
<span id="L464" class="LineNr"> 464 </span><span class="Delimiter">}</span>
<span id="L465" class="LineNr"> 465 </span>
<span id="L466" class="LineNr"> 466 </span><span class="Normal">int</span> <a href='056shape_shifting_recipe.cc.html#L466'>type_ingredient_count_in_header</a><span class="Delimiter">(</span><a href='010vm.cc.html#L14'>recipe_ordinal</a> variant<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L467" class="LineNr"> 467 </span>  <span class="Normal">const</span> recipe&amp; caller = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> variant<span class="Delimiter">);</span>
<span id="L468" class="LineNr"> 468 </span>  set&lt;string&gt; type_ingredients<span class="Delimiter">;</span>
<span id="L469" class="LineNr"> 469 </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 &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
<span id="L470" class="LineNr"> 470 </span>    accumulate_type_ingredients<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">,</span> type_ingredients<span class="Delimiter">);</span>
<span id="L471" class="LineNr"> 471 </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 &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
<span id="L472" class="LineNr"> 472 </span>    accumulate_type_ingredients<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">,</span> type_ingredients<span class="Delimiter">);</span>
<span id="L473" class="LineNr"> 473 </span>  <span class="Identifier">return</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>type_ingredients<span class="Delimiter">);</span>
<span id="L474" class="LineNr"> 474 </span><span class="Delimiter">}</span>
<span id="L475" class="LineNr"> 475 </span>
<span id="L476" class="LineNr"> 476 </span><span class="Normal">void</span> accumulate_type_ingredients<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">,</span> set&lt;string&gt;&amp; out<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L477" class="LineNr"> 477 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L478" class="LineNr"> 478 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>is_type_ingredient_name<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">))</span> out<span class="Delimiter">.</span>insert<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">);</span>
<span id="L479" class="LineNr"> 479 </span>  accumulate_type_ingredients<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
<span id="L480" class="LineNr"> 480 </span>  accumulate_type_ingredients<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
<span id="L481" class="LineNr"> 481 </span><span class="Delimiter">}</span>
<span id="L482" class="LineNr"> 482 </span>
<span id="L483" class="LineNr"> 483 </span>type_tree* <a href='056shape_shifting_recipe.cc.html#L483'>parse_type_tree</a><span class="Delimiter">(</span><span class="Normal">const</span> string&amp; s<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L484" class="LineNr"> 484 </span>  string_tree* s2 = parse_string_tree<span class="Delimiter">(</span>s<span class="Delimiter">);</span>
<span id="L485" class="LineNr"> 485 </span>  type_tree* result = <a href='019type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span>s2<span class="Delimiter">);</span>
<span id="L486" class="LineNr"> 486 </span>  <span class="Normal">delete</span> s2<span class="Delimiter">;</span>
<span id="L487" class="LineNr"> 487 </span>  <span class="Identifier">return</span> result<span class="Delimiter">;</span>
<span id="L488" class="LineNr"> 488 </span><span class="Delimiter">}</span>
<span id="L489" class="LineNr"> 489 </span>
<span id="L490" class="LineNr"> 490 </span>string inspect<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L491" class="LineNr"> 491 </span>  ostringstream out<span class="Delimiter">;</span>
<span id="L492" class="LineNr"> 492 </span>  <a href='056shape_shifting_recipe.cc.html#L496'>dump_inspect</a><span class="Delimiter">(</span>x<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
<span id="L493" class="LineNr"> 493 </span>  <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
<span id="L494" class="LineNr"> 494 </span><span class="Delimiter">}</span>
<span id="L495" class="LineNr"> 495 </span>
<span id="L496" class="LineNr"> 496 </span><span class="Normal">void</span> <a href='056shape_shifting_recipe.cc.html#L496'>dump_inspect</a><span class="Delimiter">(</span><span class="Normal">const</span> type_tree* x<span class="Delimiter">,</span> ostream&amp; out<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L497" class="LineNr"> 497 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">-&gt;</span>left &amp;&amp; !x<span class="Delimiter">-&gt;</span>right<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L498" class="LineNr"> 498 </span>    out &lt;&lt; x<span class="Delimiter">-&gt;</span>name<span class="Delimiter">;</span>
<span id="L499" class="LineNr"> 499 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L500" class="LineNr"> 500 </span>  <span class="Delimiter">}</span>
<span id="L501" class="LineNr"> 501 </span>  out &lt;&lt; <span class="Constant">'('</span><span class="Delimiter">;</span>
<span id="L502" class="LineNr"> 502 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">const</span> type_tree* curr = x<span class="Delimiter">;</span>  curr<span class="Delimiter">;</span>  curr = curr<span class="Delimiter">-&gt;</span>right<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L503" class="LineNr"> 503 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>curr != x<span class="Delimiter">)</span> out &lt;&lt; <span class="Constant">' '</span><span class="Delimiter">;</span>
<span id="L504" class="LineNr"> 504 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>left<span class="Delimiter">)</span>
<span id="L505" class="LineNr"> 505 </span>      <a href='056shape_shifting_recipe.cc.html#L496'>dump_inspect</a><span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>left<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
<span id="L506" class="LineNr"> 506 </span>    <span class="Normal">else</span>
<span id="L507" class="LineNr"> 507 </span>      out &lt;&lt; curr<span class="Delimiter">-&gt;</span>name<span class="Delimiter">;</span>
<span id="L508" class="LineNr"> 508 </span>  <span class="Delimiter">}</span>
<span id="L509" class="LineNr"> 509 </span>  out &lt;&lt; <span class="Constant">')'</span><span class="Delimiter">;</span>
<span id="L510" class="LineNr"> 510 </span><span class="Delimiter">}</span>
<span id="L511" class="LineNr"> 511 </span>
<span id="L512" class="LineNr"> 512 </span><span class="Normal">void</span> ensure_all_concrete_types<span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">const</span><span class="Comment">*/</span> recipe&amp; new_recipe<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; exemplar<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L513" class="LineNr"> 513 </span>  <a href='003trace.cc.html#L190'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;-- ensure all concrete types in <a href='010vm.cc.html#L19'>recipe</a> &quot;</span> &lt;&lt; new_recipe<span class="Delimiter">.</span>name &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span>
<span id="L514" class="LineNr"> 514 </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 &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
<span id="L515" class="LineNr"> 515 </span>    ensure_all_concrete_types<span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> exemplar<span class="Delimiter">);</span>
<span id="L516" class="LineNr"> 516 </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 &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
<span id="L517" class="LineNr"> 517 </span>    ensure_all_concrete_types<span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> exemplar<span class="Delimiter">);</span>
<span id="L518" class="LineNr"> 518 </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 &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L519" class="LineNr"> 519 </span>    instruction&amp; inst = new_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span id="L520" class="LineNr"> 520 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span>
<span id="L521" class="LineNr"> 521 </span>      ensure_all_concrete_types<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">),</span> exemplar<span class="Delimiter">);</span>
<span id="L522" class="LineNr"> 522 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span>
<span id="L523" class="LineNr"> 523 </span>      ensure_all_concrete_types<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">),</span> exemplar<span class="Delimiter">);</span>
<span id="L524" class="LineNr"> 524 </span>  <span class="Delimiter">}</span>
<span id="L525" class="LineNr"> 525 </span><span class="Delimiter">}</span>
<span id="L526" class="LineNr"> 526 </span>
<span id="L527" class="LineNr"> 527 </span><span class="Normal">void</span> ensure_all_concrete_types<span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">const</span><span class="Comment">*/</span> reagent&amp; x<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; exemplar<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L528" class="LineNr"> 528 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>type || contains_type_ingredient_name<span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L529" class="LineNr"> 529 </span>    <a href='003trace.cc.html#L197'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>exemplar<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;failed to map a type to &quot;</span> &lt;&lt; x<span class="Delimiter">.</span>original_string &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span>
<span id="L530" class="LineNr"> 530 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> x<span class="Delimiter">.</span>type = <span class="Normal">new</span> type_tree<span class="Delimiter">(</span><span class="Constant">&quot;added_by_ensure_all_concrete_types&quot;</span><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>  <span class="Comment">// just to prevent crashes later</span>
<span id="L531" class="LineNr"> 531 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L532" class="LineNr"> 532 </span>  <span class="Delimiter">}</span>
<span id="L533" class="LineNr"> 533 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>value == -<span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L534" class="LineNr"> 534 </span>    <a href='003trace.cc.html#L197'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>exemplar<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;failed to map a type to the unknown &quot;</span> &lt;&lt; x<span class="Delimiter">.</span>original_string &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span>
<span id="L535" class="LineNr"> 535 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L536" class="LineNr"> 536 </span>  <span class="Delimiter">}</span>
<span id="L537" class="LineNr"> 537 </span><span class="Delimiter">}</span>
<span id="L538" class="LineNr"> 538 </span>
<span id="L539" class="LineNr"> 539 </span><span class="Delimiter">:(scenario shape_shifting_recipe_2)</span>
<span id="L540" class="LineNr"> 540 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L541" class="LineNr"> 541 </span>  <span class="Constant">10</span>:point<span class="Special"> &lt;- </span>merge <span class="Constant">14</span><span class="Delimiter">,</span> <span class="Constant">15</span>
<span id="L542" class="LineNr"> 542 </span>  <span class="Constant">12</span>:point<span class="Special"> &lt;- </span>foo <span class="Constant">10</span>:point
<span id="L543" class="LineNr"> 543 </span>]
<span id="L544" class="LineNr"> 544 </span><span class="Comment"># non-matching shape-shifting variant</span>
<span id="L545" class="LineNr"> 545 </span><span class="muRecipe">def</span> foo a:_t<span class="Delimiter">,</span> b:_t<span class="muRecipe"> -&gt; </span>result:num [
<span id="L546" class="LineNr"> 546 </span>  local-scope
<span id="L547" class="LineNr"> 547 </span>  load-ingredients
<span id="L548" class="LineNr"> 548 </span>  result<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
<span id="L549" class="LineNr"> 549 </span>]
<span id="L550" class="LineNr"> 550 </span><span class="Comment"># matching shape-shifting variant</span>
<span id="L551" class="LineNr"> 551 </span><span class="muRecipe">def</span> foo a:_t<span class="muRecipe"> -&gt; </span>result:_t [
<span id="L552" class="LineNr"> 552 </span>  local-scope
<span id="L553" class="LineNr"> 553 </span>  load-ingredients
<span id="L554" class="LineNr"> 554 </span>  result<span class="Special"> &lt;- </span>copy a
<span id="L555" class="LineNr"> 555 </span>]
<span id="L556" class="LineNr"> 556 </span><span class="traceContains">+mem: storing 14 in location 12</span>
<span id="L557" class="LineNr"> 557 </span><span class="traceContains">+mem: storing 15 in location 13</span>
<span id="L558" class="LineNr"> 558 </span>
<span id="L559" class="LineNr"> 559 </span><span class="Delimiter">:(scenario shape_shifting_recipe_nonroot)</span>
<span id="L560" class="LineNr"> 560 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L561" class="LineNr"> 561 </span>  <span class="Constant">10</span>:foo:point<span class="Special"> &lt;- </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 id="L562" class="LineNr"> 562 </span>  <span class="Constant">20</span>:point<span class="Special"> &lt;- </span>bar <span class="Constant">10</span>:foo:point
<span id="L563" class="LineNr"> 563 </span>]
<span id="L564" class="LineNr"> 564 </span><span class="Comment"># shape-shifting recipe with type ingredient following some other type</span>
<span id="L565" class="LineNr"> 565 </span><span class="muRecipe">def</span> bar a:foo:_t<span class="muRecipe"> -&gt; </span>result:_t [
<span id="L566" class="LineNr"> 566 </span>  local-scope
<span id="L567" class="LineNr"> 567 </span>  load-ingredients
<span id="L568" class="LineNr"> 568 </span>  result<span class="Special"> &lt;- </span>get a<span class="Delimiter">,</span> <span class="Constant">x:offset</span>
<span id="L569" class="LineNr"> 569 </span>]
<span id="L570" class="LineNr"> 570 </span><span class="muData">container</span> foo:_t [
<span id="L571" class="LineNr"> 571 </span>  <span class="Normal">x</span>:_t
<span id="L572" class="LineNr"> 572 </span>  <span class="Normal">y</span>:num
<span id="L573" class="LineNr"> 573 </span>]
<span id="L574" class="LineNr"> 574 </span><span class="traceContains">+mem: storing 14 in location 20</span>
<span id="L575" class="LineNr"> 575 </span><span class="traceContains">+mem: storing 15 in location 21</span>
<span id="L576" class="LineNr"> 576 </span>
<span id="L577" class="LineNr"> 577 </span><span class="Delimiter">:(scenario shape_shifting_recipe_nested)</span>
<span id="L578" class="LineNr"> 578 </span><span class="muData">container</span> c:_a:_b [
<span id="L579" class="LineNr"> 579 </span>  <span class="Normal">a</span>:_a
<span id="L580" class="LineNr"> 580 </span>  <span class="Normal">b</span>:_b
<span id="L581" class="LineNr"> 581 </span>]
<span id="L582" class="LineNr"> 582 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L583" class="LineNr"> 583 </span>  <span class="Normal">s</span>:text<span class="Special"> &lt;- </span><span class="Normal">new</span> [abc]
<span id="L584" class="LineNr"> 584 </span>  <span class="Delimiter">{</span>x: <span class="Delimiter">(</span>c <span class="Delimiter">(</span><a href='043space.cc.html#L101'>address</a> array character<span class="Delimiter">)</span> number<span class="Delimiter">)}</span><span class="Special"> &lt;- </span>merge s<span class="Delimiter">,</span> <span class="Constant">34</span>
<span id="L585" class="LineNr"> 585 </span>  foo x
<span id="L586" class="LineNr"> 586 </span>]
<span id="L587" class="LineNr"> 587 </span><span class="muRecipe">def</span> foo x:c:_bar:_baz [
<span id="L588" class="LineNr"> 588 </span>  local-scope
<span id="L589" class="LineNr"> 589 </span>  load-ingredients
<span id="L590" class="LineNr"> 590 </span>]
<span id="L591" class="LineNr"> 591 </span><span class="Comment"># no errors</span>
<span id="L592" class="LineNr"> 592 </span>
<span id="L593" class="LineNr"> 593 </span><span class="Delimiter">:(scenario shape_shifting_recipe_type_deduction_ignores_offsets)</span>
<span id="L594" class="LineNr"> 594 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L595" class="LineNr"> 595 </span>  <span class="Constant">10</span>:foo:point<span class="Special"> &lt;- </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 id="L596" class="LineNr"> 596 </span>  <span class="Constant">20</span>:point<span class="Special"> &lt;- </span>bar <span class="Constant">10</span>:foo:point
<span id="L597" class="LineNr"> 597 </span>]
<span id="L598" class="LineNr"> 598 </span><span class="muRecipe">def</span> bar a:foo:_t<span class="muRecipe"> -&gt; </span>result:_t [
<span id="L599" class="LineNr"> 599 </span>  local-scope
<span id="L600" class="LineNr"> 600 </span>  load-ingredients
<span id="L601" class="LineNr"> 601 </span>  <span class="Normal">x</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">1</span>
<span id="L602" class="LineNr"> 602 </span>  result<span class="Special"> &lt;- </span>get a<span class="Delimiter">,</span> <span class="Constant">x:offset</span>  <span class="Comment"># shouldn't collide with other variable</span>
<span id="L603" class="LineNr"> 603 </span>]
<span id="L604" class="LineNr"> 604 </span><span class="muData">container</span> foo:_t [
<span id="L605" class="LineNr"> 605 </span>  <span class="Normal">x</span>:_t
<span id="L606" class="LineNr"> 606 </span>  <span class="Normal">y</span>:num
<span id="L607" class="LineNr"> 607 </span>]
<span id="L608" class="LineNr"> 608 </span><span class="traceContains">+mem: storing 14 in location 20</span>
<span id="L609" class="LineNr"> 609 </span><span class="traceContains">+mem: storing 15 in location 21</span>
<span id="L610" class="LineNr"> 610 </span>
<span id="L611" class="LineNr"> 611 </span><span class="Delimiter">:(scenario shape_shifting_recipe_empty)</span>
<span id="L612" class="LineNr"> 612 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L613" class="LineNr"> 613 </span>  foo <span class="Constant">1</span>
<span id="L614" class="LineNr"> 614 </span>]
<span id="L615" class="LineNr"> 615 </span><span class="Comment"># shape-shifting recipe with no body</span>
<span id="L616" class="LineNr"> 616 </span><span class="muRecipe">def</span> foo a:_t [
<span id="L617" class="LineNr"> 617 </span>]
<span id="L618" class="LineNr"> 618 </span><span class="Comment"># shouldn't crash</span>
<span id="L619" class="LineNr"> 619 </span>
<span id="L620" class="LineNr"> 620 </span><span class="Delimiter">:(scenario shape_shifting_recipe_handles_shape_shifting_new_ingredient)</span>
<span id="L621" class="LineNr"> 621 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L622" class="LineNr"> 622 </span>  <span class="Constant">1</span>:&amp;:foo:point<span class="Special"> &lt;- </span>bar <span class="Constant">3</span>
<span id="L623" class="LineNr"> 623 </span>  <span class="Constant">11</span>:foo:point<span class="Special"> &lt;- </span>copy *<span class="Constant">1</span>:&amp;:foo:point
<span id="L624" class="LineNr"> 624 </span>]
<span id="L625" class="LineNr"> 625 </span><span class="muData">container</span> foo:_t [
<span id="L626" class="LineNr"> 626 </span>  <span class="Normal">x</span>:_t
<span id="L627" class="LineNr"> 627 </span>  <span class="Normal">y</span>:num
<span id="L628" class="LineNr"> 628 </span>]
<span id="L629" class="LineNr"> 629 </span><span class="muRecipe">def</span> bar x:num<span class="muRecipe"> -&gt; </span>result:&amp;:foo:_t [
<span id="L630" class="LineNr"> 630 </span>  local-scope
<span id="L631" class="LineNr"> 631 </span>  load-ingredients
<span id="L632" class="LineNr"> 632 </span>  <span class="Comment"># new refers to _t in its ingredient *value*</span>
<span id="L633" class="LineNr"> 633 </span>  result<span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Delimiter">{(</span>foo _t<span class="Delimiter">)</span> : type<span class="Delimiter">}</span>
<span id="L634" class="LineNr"> 634 </span>]
<span id="L635" class="LineNr"> 635 </span><span class="traceContains">+mem: storing 0 in location 11</span>
<span id="L636" class="LineNr"> 636 </span><span class="traceContains">+mem: storing 0 in location 12</span>
<span id="L637" class="LineNr"> 637 </span><span class="traceContains">+mem: storing 0 in location 13</span>
<span id="L638" class="LineNr"> 638 </span>
<span id="L639" class="LineNr"> 639 </span><span class="Delimiter">:(scenario shape_shifting_recipe_handles_shape_shifting_new_ingredient_2)</span>
<span id="L640" class="LineNr"> 640 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L641" class="LineNr"> 641 </span>  <span class="Constant">1</span>:&amp;:foo:point<span class="Special"> &lt;- </span>bar <span class="Constant">3</span>
<span id="L642" class="LineNr"> 642 </span>  <span class="Constant">11</span>:foo:point<span class="Special"> &lt;- </span>copy *<span class="Constant">1</span>:&amp;:foo:point
<span id="L643" class="LineNr"> 643 </span>]
<span id="L644" class="LineNr"> 644 </span><span class="muRecipe">def</span> bar x:num<span class="muRecipe"> -&gt; </span>result:&amp;:foo:_t [
<span id="L645" class="LineNr"> 645 </span>  local-scope
<span id="L646" class="LineNr"> 646 </span>  load-ingredients
<span id="L647" class="LineNr"> 647 </span>  <span class="Comment"># new refers to _t in its ingredient *value*</span>
<span id="L648" class="LineNr"> 648 </span>  result<span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Delimiter">{(</span>foo _t<span class="Delimiter">)</span> : type<span class="Delimiter">}</span>
<span id="L649" class="LineNr"> 649 </span>]
<span id="L650" class="LineNr"> 650 </span><span class="Comment"># container defined after use</span>
<span id="L651" class="LineNr"> 651 </span><span class="muData">container</span> foo:_t [
<span id="L652" class="LineNr"> 652 </span>  <span class="Normal">x</span>:_t
<span id="L653" class="LineNr"> 653 </span>  <span class="Normal">y</span>:num
<span id="L654" class="LineNr"> 654 </span>]
<span id="L655" class="LineNr"> 655 </span><span class="traceContains">+mem: storing 0 in location 11</span>
<span id="L656" class="LineNr"> 656 </span><span class="traceContains">+mem: storing 0 in location 12</span>
<span id="L657" class="LineNr"> 657 </span><span class="traceContains">+mem: storing 0 in location 13</span>
<span id="L658" class="LineNr"> 658 </span>
<span id="L659" class="LineNr"> 659 </span><span class="Delimiter">:(scenario shape_shifting_recipe_called_with_dummy)</span>
<span id="L660" class="LineNr"> 660 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L661" class="LineNr"> 661 </span>  _<span class="Special"> &lt;- </span>bar <span class="Constant">34</span>
<span id="L662" class="LineNr"> 662 </span>]
<span id="L663" class="LineNr"> 663 </span><span class="muRecipe">def</span> bar x:_t<span class="muRecipe"> -&gt; </span>result:&amp;:_t [
<span id="L664" class="LineNr"> 664 </span>  local-scope
<span id="L665" class="LineNr"> 665 </span>  load-ingredients
<span id="L666" class="LineNr"> 666 </span>  result<span class="Special"> &lt;- </span>copy<span class="Constant"> null</span>
<span id="L667" class="LineNr"> 667 </span>]
<span id="L668" class="LineNr"> 668 </span>$error: <span class="Constant">0</span>
<span id="L669" class="LineNr"> 669 </span>
<span id="L670" class="LineNr"> 670 </span><span class="Delimiter">:(code)</span>
<span id="L671" class="LineNr"> 671 </span><span class="Comment">// this one needs a little more fine-grained control</span>
<span id="L672" class="LineNr"> 672 </span><span class="Normal">void</span> <a href='056shape_shifting_recipe.cc.html#L672'>test_shape_shifting_new_ingredient_does_not_pollute_global_namespace</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L673" class="LineNr"> 673 </span>  <span class="Comment">// if you specialize a shape-shifting recipe that allocates a type-ingredient..</span>
<span id="L674" class="LineNr"> 674 </span>  <a href='012transform.cc.html#L99'>transform</a><span class="Delimiter">(</span><span class="Constant">&quot;def barz x:_elem [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L675" class="LineNr"> 675 </span>            <span class="Constant">&quot;  local-scope</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L676" class="LineNr"> 676 </span>            <span class="Constant">&quot;  load-ingredients</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L677" class="LineNr"> 677 </span>            <span class="Constant">&quot;  y:&amp;:num &lt;- new _elem:type</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L678" class="LineNr"> 678 </span>            <span class="Constant">&quot;]</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L679" class="LineNr"> 679 </span>            <span class="Constant">&quot;def fooz [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L680" class="LineNr"> 680 </span>            <span class="Constant">&quot;  local-scope</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L681" class="LineNr"> 681 </span>            <span class="Constant">&quot;  barz 34</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L682" class="LineNr"> 682 </span>            <span class="Constant">&quot;]</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">);</span>
<span id="L683" class="LineNr"> 683 </span>  <span class="Comment">// ..and if you then try to load a new shape-shifting container with that</span>
<span id="L684" class="LineNr"> 684 </span>  <span class="Comment">// type-ingredient</span>
<span id="L685" class="LineNr"> 685 </span>  run<span class="Delimiter">(</span><span class="Constant">&quot;container foo:_elem [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L686" class="LineNr"> 686 </span>      <span class="Constant">&quot;  x:_elem</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L687" class="LineNr"> 687 </span>      <span class="Constant">&quot;  y:num</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L688" class="LineNr"> 688 </span>      <span class="Constant">&quot;]</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">);</span>
<span id="L689" class="LineNr"> 689 </span>  <span class="Comment">// then it should work as usual</span>
<span id="L690" class="LineNr"> 690 </span>  reagent callsite<span class="Delimiter">(</span><span class="Constant">&quot;x:foo:point&quot;</span><span class="Delimiter">);</span>
<span id="L691" class="LineNr"> 691 </span>  reagent element = <a href='030container.cc.html#L212'>element_type</a><span class="Delimiter">(</span>callsite<span class="Delimiter">.</span>type<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L692" class="LineNr"> 692 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>element<span class="Delimiter">.</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;x&quot;</span><span class="Delimiter">);</span>
<span id="L693" class="LineNr"> 693 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;point&quot;</span><span class="Delimiter">);</span>
<span id="L694" class="LineNr"> 694 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>!element<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">);</span>
<span id="L695" class="LineNr"> 695 </span><span class="Delimiter">}</span>
<span id="L696" class="LineNr"> 696 </span>
<span id="L697" class="LineNr"> 697 </span><span class="Comment">//: specializing a type ingredient with a compound type</span>
<span id="L698" class="LineNr"> 698 </span><span class="Delimiter">:(scenario shape_shifting_recipe_supports_compound_types)</span>
<span id="L699" class="LineNr"> 699 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L700" class="LineNr"> 700 </span>  <span class="Constant">1</span>:&amp;:point<span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Constant">point:type</span>
<span id="L701" class="LineNr"> 701 </span>  *<span class="Constant">1</span>:&amp;:point<span class="Special"> &lt;- </span><a href='001help.cc.html#L221'>put</a> *<span class="Constant">1</span>:&amp;:point<span class="Delimiter">,</span> <span class="Constant">y:offset</span><span class="Delimiter">,</span> <span class="Constant">34</span>
<span id="L702" class="LineNr"> 702 </span>  <span class="Constant">3</span>:&amp;:point<span class="Special"> &lt;- </span>bar <span class="Constant">1</span>:&amp;:point  <span class="Comment"># specialize _t to address:point</span>
<span id="L703" class="LineNr"> 703 </span>  <span class="Constant">5</span>:point<span class="Special"> &lt;- </span>copy *<span class="Constant">3</span>:&amp;:point
<span id="L704" class="LineNr"> 704 </span>]
<span id="L705" class="LineNr"> 705 </span><span class="muRecipe">def</span> bar a:_t<span class="muRecipe"> -&gt; </span>result:_t [
<span id="L706" class="LineNr"> 706 </span>  local-scope
<span id="L707" class="LineNr"> 707 </span>  load-ingredients
<span id="L708" class="LineNr"> 708 </span>  result<span class="Special"> &lt;- </span>copy a
<span id="L709" class="LineNr"> 709 </span>]
<span id="L710" class="LineNr"> 710 </span><span class="traceContains">+mem: storing 34 in location 6</span>
<span id="L711" class="LineNr"> 711 </span>
<span id="L712" class="LineNr"> 712 </span><span class="Comment">//: specializing a type ingredient with a compound type -- while *inside* another compound type</span>
<span id="L713" class="LineNr"> 713 </span><span class="Delimiter">:(scenario shape_shifting_recipe_supports_compound_types_2)</span>
<span id="L714" class="LineNr"> 714 </span><span class="muData">container</span> foo:_t [
<span id="L715" class="LineNr"> 715 </span>  <span class="Normal">value</span>:_t
<span id="L716" class="LineNr"> 716 </span>]
<span id="L717" class="LineNr"> 717 </span><span class="muRecipe">def</span> bar x:&amp;:foo:_t<span class="muRecipe"> -&gt; </span>result:_t [
<span id="L718" class="LineNr"> 718 </span>  local-scope
<span id="L719" class="LineNr"> 719 </span>  load-ingredients
<span id="L720" class="LineNr"> 720 </span>  result<span class="Special"> &lt;- </span>get *x<span class="Delimiter">,</span> <span class="Constant">value:offset</span>
<span id="L721" class="LineNr"> 721 </span>]
<span id="L722" class="LineNr"> 722 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L723" class="LineNr"> 723 </span>  <span class="Constant">1</span>:&amp;:foo:&amp;:point<span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Delimiter">{(</span>foo <a href='043space.cc.html#L101'>address</a> point<span class="Delimiter">)</span>: type<span class="Delimiter">}</span>
<span id="L724" class="LineNr"> 724 </span>  <span class="Constant">2</span>:&amp;:point<span class="Special"> &lt;- </span>bar <span class="Constant">1</span>:&amp;:foo:&amp;:point
<span id="L725" class="LineNr"> 725 </span>]
<span id="L726" class="LineNr"> 726 </span><span class="Comment"># no errors; call to 'bar' successfully specialized</span>
<span id="L727" class="LineNr"> 727 </span>
<span id="L728" class="LineNr"> 728 </span><span class="Delimiter">:(scenario shape_shifting_recipe_error)</span>
<span id="L729" class="LineNr"> 729 </span><span class="Special">% Hide_errors = true;</span>
<span id="L730" class="LineNr"> 730 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L731" class="LineNr"> 731 </span>  <span class="Normal">a</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">3</span>
<span id="L732" class="LineNr"> 732 </span>  <span class="Normal">b</span>:&amp;:num<span class="Special"> &lt;- </span>foo a
<span id="L733" class="LineNr"> 733 </span>]
<span id="L734" class="LineNr"> 734 </span><span class="muRecipe">def</span> foo a:_t<span class="muRecipe"> -&gt; </span>b:_t [
<span id="L735" class="LineNr"> 735 </span>  load-ingredients
<span id="L736" class="LineNr"> 736 </span>  b<span class="Special"> &lt;- </span>copy a
<span id="L737" class="LineNr"> 737 </span>]
<span id="L738" class="LineNr"> 738 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: no call found for 'b:&amp;:num &lt;- foo a'</span>
<span id="L739" class="LineNr"> 739 </span>
<span id="L740" class="LineNr"> 740 </span><span class="Delimiter">:(scenario specialize_inside_recipe_without_header)</span>
<span id="L741" class="LineNr"> 741 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L742" class="LineNr"> 742 </span>  foo <span class="Constant">3</span>
<span id="L743" class="LineNr"> 743 </span>]
<span id="L744" class="LineNr"> 744 </span><span class="muRecipe">def</span> foo [
<span id="L745" class="LineNr"> 745 </span>  local-scope
<span id="L746" class="LineNr"> 746 </span>  <span class="Normal">x</span>:num<span class="Special"> &lt;- </span>next-ingredient  <span class="Comment"># ensure no header</span>
<span id="L747" class="LineNr"> 747 </span>  <span class="Constant">1</span>:num/<span class="Special">raw &lt;- </span>bar x  <span class="Comment"># call a shape-shifting recipe</span>
<span id="L748" class="LineNr"> 748 </span>]
<span id="L749" class="LineNr"> 749 </span><span class="muRecipe">def</span> bar x:_elem<span class="muRecipe"> -&gt; </span>y:_elem [
<span id="L750" class="LineNr"> 750 </span>  local-scope
<span id="L751" class="LineNr"> 751 </span>  load-ingredients
<span id="L752" class="LineNr"> 752 </span>  y<span class="Special"> &lt;- </span>add x<span class="Delimiter">,</span> <span class="Constant">1</span>
<span id="L753" class="LineNr"> 753 </span>]
<span id="L754" class="LineNr"> 754 </span><span class="traceContains">+mem: storing 4 in location 1</span>
<span id="L755" class="LineNr"> 755 </span>
<span id="L756" class="LineNr"> 756 </span><span class="Delimiter">:(scenario specialize_with_literal)</span>
<span id="L757" class="LineNr"> 757 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L758" class="LineNr"> 758 </span>  local-scope
<span id="L759" class="LineNr"> 759 </span>  <span class="Comment"># permit literal to map to number</span>
<span id="L760" class="LineNr"> 760 </span>  <span class="Constant">1</span>:num/<span class="Special">raw &lt;- </span>foo <span class="Constant">3</span>
<span id="L761" class="LineNr"> 761 </span>]
<span id="L762" class="LineNr"> 762 </span><span class="muRecipe">def</span> foo x:_elem<span class="muRecipe"> -&gt; </span>y:_elem [
<span id="L763" class="LineNr"> 763 </span>  local-scope
<span id="L764" class="LineNr"> 764 </span>  load-ingredients
<span id="L765" class="LineNr"> 765 </span>  y<span class="Special"> &lt;- </span>add x<span class="Delimiter">,</span> <span class="Constant">1</span>
<span id="L766" class="LineNr"> 766 </span>]
<span id="L767" class="LineNr"> 767 </span><span class="traceContains">+mem: storing 4 in location 1</span>
<span id="L768" class="LineNr"> 768 </span>
<span id="L769" class="LineNr"> 769 </span><span class="Delimiter">:(scenario specialize_with_literal_2)</span>
<span id="L770" class="LineNr"> 770 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L771" class="LineNr"> 771 </span>  local-scope
<span id="L772" class="LineNr"> 772 </span>  <span class="Comment"># permit literal to map to character</span>
<span id="L773" class="LineNr"> 773 </span>  <span class="Constant">1</span>:<span class="Normal">char</span>/<span class="Special">raw &lt;- </span>foo <span class="Constant">3</span>
<span id="L774" class="LineNr"> 774 </span>]
<span id="L775" class="LineNr"> 775 </span><span class="muRecipe">def</span> foo x:_elem<span class="muRecipe"> -&gt; </span>y:_elem [
<span id="L776" class="LineNr"> 776 </span>  local-scope
<span id="L777" class="LineNr"> 777 </span>  load-ingredients
<span id="L778" class="LineNr"> 778 </span>  y<span class="Special"> &lt;- </span>add x<span class="Delimiter">,</span> <span class="Constant">1</span>
<span id="L779" class="LineNr"> 779 </span>]
<span id="L780" class="LineNr"> 780 </span><span class="traceContains">+mem: storing 4 in location 1</span>
<span id="L781" class="LineNr"> 781 </span>
<span id="L782" class="LineNr"> 782 </span><span class="Delimiter">:(scenario specialize_with_literal_3)</span>
<span id="L783" class="LineNr"> 783 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L784" class="LineNr"> 784 </span>  local-scope
<span id="L785" class="LineNr"> 785 </span>  <span class="Comment"># permit '0' to map to address to shape-shifting type-ingredient</span>
<span id="L786" class="LineNr"> 786 </span>  <span class="Constant">1</span>:&amp;:<span class="Normal">char</span>/<span class="Special">raw &lt;- </span>foo<span class="Constant"> null</span>
<span id="L787" class="LineNr"> 787 </span>]
<span id="L788" class="LineNr"> 788 </span><span class="muRecipe">def</span> foo x:&amp;:_elem<span class="muRecipe"> -&gt; </span>y:&amp;:_elem [
<span id="L789" class="LineNr"> 789 </span>  local-scope
<span id="L790" class="LineNr"> 790 </span>  load-ingredients
<span id="L791" class="LineNr"> 791 </span>  y<span class="Special"> &lt;- </span>copy x
<span id="L792" class="LineNr"> 792 </span>]
<span id="L793" class="LineNr"> 793 </span><span class="traceContains">+mem: storing 0 in location 1</span>
<span id="L794" class="LineNr"> 794 </span>$error: <span class="Constant">0</span>
<span id="L795" class="LineNr"> 795 </span>
<span id="L796" class="LineNr"> 796 </span><span class="Delimiter">:(scenario specialize_with_literal_4)</span>
<span id="L797" class="LineNr"> 797 </span><span class="Special">% Hide_errors = true;</span>
<span id="L798" class="LineNr"> 798 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L799" class="LineNr"> 799 </span>  local-scope
<span id="L800" class="LineNr"> 800 </span>  <span class="Comment"># ambiguous call: what's the type of its ingredient?!</span>
<span id="L801" class="LineNr"> 801 </span>  foo <span class="Constant">0</span>
<span id="L802" class="LineNr"> 802 </span>]
<span id="L803" class="LineNr"> 803 </span><span class="muRecipe">def</span> foo x:&amp;:_elem<span class="muRecipe"> -&gt; </span>y:&amp;:_elem [
<span id="L804" class="LineNr"> 804 </span>  local-scope
<span id="L805" class="LineNr"> 805 </span>  load-ingredients
<span id="L806" class="LineNr"> 806 </span>  y<span class="Special"> &lt;- </span>copy x
<span id="L807" class="LineNr"> 807 </span>]
<span id="L808" class="LineNr"> 808 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: <a href='010vm.cc.html#L33'>instruction</a> 'foo' has no valid specialization</span>
<span id="L809" class="LineNr"> 809 </span>
<span id="L810" class="LineNr"> 810 </span><span class="Delimiter">:(scenario specialize_with_literal_5)</span>
<span id="L811" class="LineNr"> 811 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L812" class="LineNr"> 812 </span>  foo <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">4</span>  <span class="Comment"># recipe mapping two variables to literals</span>
<span id="L813" class="LineNr"> 813 </span>]
<span id="L814" class="LineNr"> 814 </span><span class="muRecipe">def</span> foo x:_elem<span class="Delimiter">,</span> y:_elem [
<span id="L815" class="LineNr"> 815 </span>  local-scope
<span id="L816" class="LineNr"> 816 </span>  load-ingredients
<span id="L817" class="LineNr"> 817 </span>  <span class="Constant">1</span>:num/<span class="Special">raw &lt;- </span>add x<span class="Delimiter">,</span> y
<span id="L818" class="LineNr"> 818 </span>]
<span id="L819" class="LineNr"> 819 </span><span class="traceContains">+mem: storing 7 in location 1</span>
<span id="L820" class="LineNr"> 820 </span>
<span id="L821" class="LineNr"> 821 </span><span class="Delimiter">:(scenario multiple_shape_shifting_variants)</span>
<span id="L822" class="LineNr"> 822 </span><span class="Comment"># try to call two different shape-shifting recipes with the same name</span>
<span id="L823" class="LineNr"> 823 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L824" class="LineNr"> 824 </span>  <span class="Normal">e1</span>:d1:num<span class="Special"> &lt;- </span>merge <span class="Constant">3</span>
<span id="L825" class="LineNr"> 825 </span>  <span class="Normal">e2</span>:d2:num<span class="Special"> &lt;- </span>merge <span class="Constant">4</span><span class="Delimiter">,</span> <span class="Constant">5</span>
<span id="L826" class="LineNr"> 826 </span>  <span class="Constant">1</span>:num/<span class="Special">raw &lt;- </span>foo e1
<span id="L827" class="LineNr"> 827 </span>  <span class="Constant">2</span>:num/<span class="Special">raw &lt;- </span>foo e2
<span id="L828" class="LineNr"> 828 </span>]
<span id="L829" class="LineNr"> 829 </span><span class="Comment"># the two shape-shifting definitions</span>
<span id="L830" class="LineNr"> 830 </span><span class="muRecipe">def</span> foo a:d1:_elem<span class="muRecipe"> -&gt; </span>b:num [
<span id="L831" class="LineNr"> 831 </span>  local-scope
<span id="L832" class="LineNr"> 832 </span>  load-ingredients
<span id="L833" class="LineNr"> 833 </span>  <span class="Identifier">return</span> <span class="Constant">34</span>
<span id="L834" class="LineNr"> 834 </span>]
<span id="L835" class="LineNr"> 835 </span><span class="muRecipe">def</span> foo a:d2:_elem<span class="muRecipe"> -&gt; </span>b:num [
<span id="L836" class="LineNr"> 836 </span>  local-scope
<span id="L837" class="LineNr"> 837 </span>  load-ingredients
<span id="L838" class="LineNr"> 838 </span>  <span class="Identifier">return</span> <span class="Constant">35</span>
<span id="L839" class="LineNr"> 839 </span>]
<span id="L840" class="LineNr"> 840 </span><span class="Comment"># the shape-shifting containers they use</span>
<span id="L841" class="LineNr"> 841 </span><span class="muData">container</span> d1:_elem [
<span id="L842" class="LineNr"> 842 </span>  <span class="Normal">x</span>:_elem
<span id="L843" class="LineNr"> 843 </span>]
<span id="L844" class="LineNr"> 844 </span><span class="muData">container</span> d2:_elem [
<span id="L845" class="LineNr"> 845 </span>  <span class="Normal">x</span>:num
<span id="L846" class="LineNr"> 846 </span>  <span class="Normal">y</span>:_elem
<span id="L847" class="LineNr"> 847 </span>]
<span id="L848" class="LineNr"> 848 </span><span class="traceContains">+mem: storing 34 in location 1</span>
<span id="L849" class="LineNr"> 849 </span><span class="traceContains">+mem: storing 35 in location 2</span>
<span id="L850" class="LineNr"> 850 </span>
<span id="L851" class="LineNr"> 851 </span><span class="Delimiter">:(scenario multiple_shape_shifting_variants_2)</span>
<span id="L852" class="LineNr"> 852 </span><span class="Comment"># static dispatch between shape-shifting variants, _including pointer lookups_</span>
<span id="L853" class="LineNr"> 853 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L854" class="LineNr"> 854 </span>  <span class="Normal">e1</span>:d1:num<span class="Special"> &lt;- </span>merge <span class="Constant">3</span>
<span id="L855" class="LineNr"> 855 </span>  <span class="Normal">e2</span>:&amp;:d2:num<span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Delimiter">{(</span>d2 number<span class="Delimiter">)</span>: type<span class="Delimiter">}</span>
<span id="L856" class="LineNr"> 856 </span>  <span class="Constant">1</span>:num/<span class="Special">raw &lt;- </span>foo e1
<span id="L857" class="LineNr"> 857 </span>  <span class="Constant">2</span>:num/<span class="Special">raw &lt;- </span>foo *e2  <span class="Comment"># different from previous scenario</span>
<span id="L858" class="LineNr"> 858 </span>]
<span id="L859" class="LineNr"> 859 </span><span class="muRecipe">def</span> foo a:d1:_elem<span class="muRecipe"> -&gt; </span>b:num [
<span id="L860" class="LineNr"> 860 </span>  local-scope
<span id="L861" class="LineNr"> 861 </span>  load-ingredients
<span id="L862" class="LineNr"> 862 </span>  <span class="Identifier">return</span> <span class="Constant">34</span>
<span id="L863" class="LineNr"> 863 </span>]
<span id="L864" class="LineNr"> 864 </span><span class="muRecipe">def</span> foo a:d2:_elem<span class="muRecipe"> -&gt; </span>b:num [
<span id="L865" class="LineNr"> 865 </span>  local-scope
<span id="L866" class="LineNr"> 866 </span>  load-ingredients
<span id="L867" class="LineNr"> 867 </span>  <span class="Identifier">return</span> <span class="Constant">35</span>
<span id="L868" class="LineNr"> 868 </span>]
<span id="L869" class="LineNr"> 869 </span><span class="muData">container</span> d1:_elem [
<span id="L870" class="LineNr"> 870 </span>  <span class="Normal">x</span>:_elem
<span id="L871" class="LineNr"> 871 </span>]
<span id="L872" class="LineNr"> 872 </span><span class="muData">container</span> d2:_elem [
<span id="L873" class="LineNr"> 873 </span>  <span class="Normal">x</span>:num
<span id="L874" class="LineNr"> 874 </span>  <span class="Normal">y</span>:_elem
<span id="L875" class="LineNr"> 875 </span>]
<span id="L876" class="LineNr"> 876 </span><span class="traceContains">+mem: storing 34 in location 1</span>
<span id="L877" class="LineNr"> 877 </span><span class="traceContains">+mem: storing 35 in location 2</span>
<span id="L878" class="LineNr"> 878 </span>
<span id="L879" class="LineNr"> 879 </span><span class="Delimiter">:(scenario missing_type_in_shape_shifting_recipe)</span>
<span id="L880" class="LineNr"> 880 </span><span class="Special">% Hide_errors = true;</span>
<span id="L881" class="LineNr"> 881 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L882" class="LineNr"> 882 </span>  <span class="Normal">a</span>:d1:num<span class="Special"> &lt;- </span>merge <span class="Constant">3</span>
<span id="L883" class="LineNr"> 883 </span>  foo a
<span id="L884" class="LineNr"> 884 </span>]
<span id="L885" class="LineNr"> 885 </span><span class="muRecipe">def</span> foo a:d1:_elem<span class="muRecipe"> -&gt; </span>b:num [
<span id="L886" class="LineNr"> 886 </span>  local-scope
<span id="L887" class="LineNr"> 887 </span>  load-ingredients
<span id="L888" class="LineNr"> 888 </span>  copy e  <span class="Comment"># no such variable</span>
<span id="L889" class="LineNr"> 889 </span>  <span class="Identifier">return</span> <span class="Constant">34</span>
<span id="L890" class="LineNr"> 890 </span>]
<span id="L891" class="LineNr"> 891 </span><span class="muData">container</span> d1:_elem [
<span id="L892" class="LineNr"> 892 </span>  <span class="Normal">x</span>:_elem
<span id="L893" class="LineNr"> 893 </span>]
<span id="L894" class="LineNr"> 894 </span><span class="traceContains">+error: foo: unknown type for 'e' in 'copy e' (check the name for typos)</span>
<span id="L895" class="LineNr"> 895 </span><span class="traceContains">+error: specializing foo: missing type for 'e'</span>
<span id="L896" class="LineNr"> 896 </span><span class="Comment"># and it doesn't crash</span>
<span id="L897" class="LineNr"> 897 </span>
<span id="L898" class="LineNr"> 898 </span><span class="Delimiter">:(scenario missing_type_in_shape_shifting_recipe_2)</span>
<span id="L899" class="LineNr"> 899 </span><span class="Special">% Hide_errors = true;</span>
<span id="L900" class="LineNr"> 900 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L901" class="LineNr"> 901 </span>  <span class="Normal">a</span>:d1:num<span class="Special"> &lt;- </span>merge <span class="Constant">3</span>
<span id="L902" class="LineNr"> 902 </span>  foo a
<span id="L903" class="LineNr"> 903 </span>]
<span id="L904" class="LineNr"> 904 </span><span class="muRecipe">def</span> foo a:d1:_elem<span class="muRecipe"> -&gt; </span>b:num [
<span id="L905" class="LineNr"> 905 </span>  local-scope
<span id="L906" class="LineNr"> 906 </span>  load-ingredients
<span id="L907" class="LineNr"> 907 </span>  get e<span class="Delimiter">,</span> <span class="Constant">x:offset</span>  <span class="Comment"># unknown variable in a 'get', which does some extra checking</span>
<span id="L908" class="LineNr"> 908 </span>  <span class="Identifier">return</span> <span class="Constant">34</span>
<span id="L909" class="LineNr"> 909 </span>]
<span id="L910" class="LineNr"> 910 </span><span class="muData">container</span> d1:_elem [
<span id="L911" class="LineNr"> 911 </span>  <span class="Normal">x</span>:_elem
<span id="L912" class="LineNr"> 912 </span>]
<span id="L913" class="LineNr"> 913 </span><span class="traceContains">+error: foo: unknown type for 'e' in 'get e, x:offset' (check the name for typos)</span>
<span id="L914" class="LineNr"> 914 </span><span class="traceContains">+error: specializing foo: missing type for 'e'</span>
<span id="L915" class="LineNr"> 915 </span><span class="Comment"># and it doesn't crash</span>
<span id="L916" class="LineNr"> 916 </span>
<span id="L917" class="LineNr"> 917 </span><span class="Delimiter">:(scenarios transform)</span>
<span id="L918" class="LineNr"> 918 </span><span class="Delimiter">:(scenario specialize_recursive_shape_shifting_recipe)</span>
<span id="L919" class="LineNr"> 919 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L920" class="LineNr"> 920 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
<span id="L921" class="LineNr"> 921 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>foo <span class="Constant">1</span>:num
<span id="L922" class="LineNr"> 922 </span>]
<span id="L923" class="LineNr"> 923 </span><span class="muRecipe">def</span> foo x:_elem<span class="muRecipe"> -&gt; </span>y:num [
<span id="L924" class="LineNr"> 924 </span>  local-scope
<span id="L925" class="LineNr"> 925 </span>  load-ingredients
<span id="L926" class="LineNr"> 926 </span>  <span class="Delimiter">{</span>
<span id="L927" class="LineNr"> 927 </span>    <span class="Identifier">break</span>
<span id="L928" class="LineNr"> 928 </span>    <span class="Normal">y</span>:num<span class="Special"> &lt;- </span>foo x
<span id="L929" class="LineNr"> 929 </span>  <span class="Delimiter">}</span>
<span id="L930" class="LineNr"> 930 </span>  <span class="Identifier">return</span> y
<span id="L931" class="LineNr"> 931 </span>]
<span id="L932" class="LineNr"> 932 </span><span class="traceContains">+transform: new specialization: foo_2</span>
<span id="L933" class="LineNr"> 933 </span><span class="Comment"># transform terminates</span>
<span id="L934" class="LineNr"> 934 </span>
<span id="L935" class="LineNr"> 935 </span><span class="Delimiter">:(scenarios run)</span>
<span id="L936" class="LineNr"> 936 </span><span class="Delimiter">:(scenario specialize_most_similar_variant)</span>
<span id="L937" class="LineNr"> 937 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L938" class="LineNr"> 938 </span>  <span class="Constant">1</span>:&amp;:num<span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Constant">number:type</span>
<span id="L939" class="LineNr"> 939 </span>  <span class="Constant">10</span>:num<span class="Special"> &lt;- </span>foo <span class="Constant">1</span>:&amp;:num
<span id="L940" class="LineNr"> 940 </span>]
<span id="L941" class="LineNr"> 941 </span><span class="muRecipe">def</span> foo x:_elem<span class="muRecipe"> -&gt; </span>y:num [
<span id="L942" class="LineNr"> 942 </span>  local-scope
<span id="L943" class="LineNr"> 943 </span>  load-ingredients
<span id="L944" class="LineNr"> 944 </span>  <span class="Identifier">return</span> <span class="Constant">34</span>
<span id="L945" class="LineNr"> 945 </span>]
<span id="L946" class="LineNr"> 946 </span><span class="muRecipe">def</span> foo x:&amp;:_elem<span class="muRecipe"> -&gt; </span>y:num [
<span id="L947" class="LineNr"> 947 </span>  local-scope
<span id="L948" class="LineNr"> 948 </span>  load-ingredients
<span id="L949" class="LineNr"> 949 </span>  <span class="Identifier">return</span> <span class="Constant">35</span>
<span id="L950" class="LineNr"> 950 </span>]
<span id="L951" class="LineNr"> 951 </span><span class="traceContains">+mem: storing 35 in location 10</span>
<span id="L952" class="LineNr"> 952 </span>
<span id="L953" class="LineNr"> 953 </span><span class="Delimiter">:(scenario specialize_most_similar_variant_2)</span>
<span id="L954" class="LineNr"> 954 </span><span class="Comment"># version with headers padded with lots of unrelated concrete types</span>
<span id="L955" class="LineNr"> 955 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L956" class="LineNr"> 956 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">23</span>
<span id="L957" class="LineNr"> 957 </span>  <span class="Constant">2</span>:&amp;:@:num<span class="Special"> &lt;- </span>copy<span class="Constant"> null</span>
<span id="L958" class="LineNr"> 958 </span>  <span class="Constant">4</span>:num<span class="Special"> &lt;- </span>foo <span class="Constant">2</span>:&amp;:@:num<span class="Delimiter">,</span> <span class="Constant">1</span>:num
<span id="L959" class="LineNr"> 959 </span>]
<span id="L960" class="LineNr"> 960 </span><span class="Comment"># variant with concrete type</span>
<span id="L961" class="LineNr"> 961 </span><span class="muRecipe">def</span> foo dummy:&amp;:@:num<span class="Delimiter">,</span> x:num<span class="muRecipe"> -&gt; </span>y:num<span class="Delimiter">,</span> dummy:&amp;:@:num [
<span id="L962" class="LineNr"> 962 </span>  local-scope
<span id="L963" class="LineNr"> 963 </span>  load-ingredients
<span id="L964" class="LineNr"> 964 </span>  <span class="Identifier">return</span> <span class="Constant">34</span>
<span id="L965" class="LineNr"> 965 </span>]
<span id="L966" class="LineNr"> 966 </span><span class="Comment"># shape-shifting variant</span>
<span id="L967" class="LineNr"> 967 </span><span class="muRecipe">def</span> foo dummy:&amp;:@:num<span class="Delimiter">,</span> x:_elem<span class="muRecipe"> -&gt; </span>y:num<span class="Delimiter">,</span> dummy:&amp;:@:num [
<span id="L968" class="LineNr"> 968 </span>  local-scope
<span id="L969" class="LineNr"> 969 </span>  load-ingredients
<span id="L970" class="LineNr"> 970 </span>  <span class="Identifier">return</span> <span class="Constant">35</span>
<span id="L971" class="LineNr"> 971 </span>]
<span id="L972" class="LineNr"> 972 </span><span class="Comment"># prefer the concrete variant</span>
<span id="L973" class="LineNr"> 973 </span><span class="traceContains">+mem: storing 34 in location 4</span>
<span id="L974" class="LineNr"> 974 </span>
<span id="L975" class="LineNr"> 975 </span><span class="Delimiter">:(scenario specialize_most_similar_variant_3)</span>
<span id="L976" class="LineNr"> 976 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L977" class="LineNr"> 977 </span>  <span class="Constant">1</span>:text<span class="Special"> &lt;- </span><span class="Normal">new</span> [abc]
<span id="L978" class="LineNr"> 978 </span>  foo <span class="Constant">1</span>:text
<span id="L979" class="LineNr"> 979 </span>]
<span id="L980" class="LineNr"> 980 </span><span class="muRecipe">def</span> foo x:text [
<span id="L981" class="LineNr"> 981 </span>  <span class="Constant">10</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
<span id="L982" class="LineNr"> 982 </span>]
<span id="L983" class="LineNr"> 983 </span><span class="muRecipe">def</span> foo x:&amp;:_elem [
<span id="L984" class="LineNr"> 984 </span>  <span class="Constant">10</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">35</span>
<span id="L985" class="LineNr"> 985 </span>]
<span id="L986" class="LineNr"> 986 </span><span class="Comment"># make sure the more precise version was used</span>
<span id="L987" class="LineNr"> 987 </span><span class="traceContains">+mem: storing 34 in location 10</span>
<span id="L988" class="LineNr"> 988 </span>
<span id="L989" class="LineNr"> 989 </span><span class="Delimiter">:(scenario specialize_literal_as_number)</span>
<span id="L990" class="LineNr"> 990 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L991" class="LineNr"> 991 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>foo <span class="Constant">23</span>
<span id="L992" class="LineNr"> 992 </span>]
<span id="L993" class="LineNr"> 993 </span><span class="muRecipe">def</span> foo x:_elem<span class="muRecipe"> -&gt; </span>y:num [
<span id="L994" class="LineNr"> 994 </span>  local-scope
<span id="L995" class="LineNr"> 995 </span>  load-ingredients
<span id="L996" class="LineNr"> 996 </span>  <span class="Identifier">return</span> <span class="Constant">34</span>
<span id="L997" class="LineNr"> 997 </span>]
<span id="L998" class="LineNr"> 998 </span><span class="muRecipe">def</span> foo x:<span class="Normal">char</span><span class="muRecipe"> -&gt; </span>y:num [
<span id="L999" class="LineNr"> 999 </span>  local-scope
<span id="L1000" class="LineNr">1000 </span>  load-ingredients
<span id="L1001" class="LineNr">1001 </span>  <span class="Identifier">return</span> <span class="Constant">35</span>
<span id="L1002" class="LineNr">1002 </span>]
<span id="L1003" class="LineNr">1003 </span><span class="traceContains">+mem: storing 34 in location 1</span>
<span id="L1004" class="LineNr">1004 </span>
<span id="L1005" class="LineNr">1005 </span><span class="Delimiter">:(scenario specialize_literal_as_number_2)</span>
<span id="L1006" class="LineNr">1006 </span><span class="Comment"># version calling with literal</span>
<span id="L1007" class="LineNr">1007 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L1008" class="LineNr">1008 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>foo <span class="Constant">0</span>
<span id="L1009" class="LineNr">1009 </span>]
<span id="L1010" class="LineNr">1010 </span><span class="Comment"># variant with concrete type</span>
<span id="L1011" class="LineNr">1011 </span><span class="muRecipe">def</span> foo x:num<span class="muRecipe"> -&gt; </span>y:num [
<span id="L1012" class="LineNr">1012 </span>  local-scope
<span id="L1013" class="LineNr">1013 </span>  load-ingredients
<span id="L1014" class="LineNr">1014 </span>  <span class="Identifier">return</span> <span class="Constant">34</span>
<span id="L1015" class="LineNr">1015 </span>]
<span id="L1016" class="LineNr">1016 </span><span class="Comment"># shape-shifting variant</span>
<span id="L1017" class="LineNr">1017 </span><span class="muRecipe">def</span> foo x:&amp;:_elem<span class="muRecipe"> -&gt; </span>y:num [
<span id="L1018" class="LineNr">1018 </span>  local-scope
<span id="L1019" class="LineNr">1019 </span>  load-ingredients
<span id="L1020" class="LineNr">1020 </span>  <span class="Identifier">return</span> <span class="Constant">35</span>
<span id="L1021" class="LineNr">1021 </span>]
<span id="L1022" class="LineNr">1022 </span><span class="Comment"># prefer the concrete variant, ignore concrete types in scoring the shape-shifting variant</span>
<span id="L1023" class="LineNr">1023 </span><span class="traceContains">+mem: storing 34 in location 1</span>
<span id="L1024" class="LineNr">1024 </span>
<span id="L1025" class="LineNr">1025 </span><span class="Delimiter">:(scenario specialize_literal_as_address)</span>
<span id="L1026" class="LineNr">1026 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L1027" class="LineNr">1027 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>foo<span class="Constant"> null</span>
<span id="L1028" class="LineNr">1028 </span>]
<span id="L1029" class="LineNr">1029 </span><span class="Comment"># variant with concrete address type</span>
<span id="L1030" class="LineNr">1030 </span><span class="muRecipe">def</span> foo x:&amp;:num<span class="muRecipe"> -&gt; </span>y:num [
<span id="L1031" class="LineNr">1031 </span>  local-scope
<span id="L1032" class="LineNr">1032 </span>  load-ingredients
<span id="L1033" class="LineNr">1033 </span>  <span class="Identifier">return</span> <span class="Constant">34</span>
<span id="L1034" class="LineNr">1034 </span>]
<span id="L1035" class="LineNr">1035 </span><span class="Comment"># shape-shifting variant</span>
<span id="L1036" class="LineNr">1036 </span><span class="muRecipe">def</span> foo x:&amp;:_elem<span class="muRecipe"> -&gt; </span>y:num [
<span id="L1037" class="LineNr">1037 </span>  local-scope
<span id="L1038" class="LineNr">1038 </span>  load-ingredients
<span id="L1039" class="LineNr">1039 </span>  <span class="Identifier">return</span> <span class="Constant">35</span>
<span id="L1040" class="LineNr">1040 </span>]
<span id="L1041" class="LineNr">1041 </span><span class="Comment"># prefer the concrete variant, ignore concrete types in scoring the shape-shifting variant</span>
<span id="L1042" class="LineNr">1042 </span><span class="traceContains">+mem: storing 34 in location 1</span>
<span id="L1043" class="LineNr">1043 </span>
<span id="L1044" class="LineNr">1044 </span><span class="Delimiter">:(scenario missing_type_during_specialization)</span>
<span id="L1045" class="LineNr">1045 </span><span class="Special">% Hide_errors = true;</span>
<span id="L1046" class="LineNr">1046 </span><span class="Comment"># define a shape-shifting recipe</span>
<span id="L1047" class="LineNr">1047 </span><span class="muRecipe">def</span> foo a:_elem [
<span id="L1048" class="LineNr">1048 </span>]
<span id="L1049" class="LineNr">1049 </span><span class="Comment"># define a container with field 'z'</span>
<span id="L1050" class="LineNr">1050 </span><span class="muData">container</span> foo2 [
<span id="L1051" class="LineNr">1051 </span>  <span class="Normal">z</span>:num
<span id="L1052" class="LineNr">1052 </span>]
<span id="L1053" class="LineNr">1053 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L1054" class="LineNr">1054 </span>  local-scope
<span id="L1055" class="LineNr">1055 </span>  <span class="Normal">x</span>:foo2<span class="Special"> &lt;- </span>merge <span class="Constant">34</span>
<span id="L1056" class="LineNr">1056 </span>  <span class="Normal">y</span>:num<span class="Special"> &lt;- </span>get x<span class="Delimiter">,</span> z:offse  <span class="Comment"># typo in 'offset'</span>
<span id="L1057" class="LineNr">1057 </span><span class="PreProc">  </span><span class="Comment"># define a variable with the same name 'z'</span>
<span id="L1058" class="LineNr">1058 </span>  <span class="Normal">z</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
<span id="L1059" class="LineNr">1059 </span>  <span class="Comment"># trigger specialization of the shape-shifting recipe</span>
<span id="L1060" class="LineNr">1060 </span>  foo z
<span id="L1061" class="LineNr">1061 </span>]
<span id="L1062" class="LineNr">1062 </span><span class="Comment"># shouldn't crash</span>
<span id="L1063" class="LineNr">1063 </span>
<span id="L1064" class="LineNr">1064 </span><span class="Delimiter">:(scenario missing_type_during_specialization2)</span>
<span id="L1065" class="LineNr">1065 </span><span class="Special">% Hide_errors = true;</span>
<span id="L1066" class="LineNr">1066 </span><span class="Comment"># define a shape-shifting recipe</span>
<span id="L1067" class="LineNr">1067 </span><span class="muRecipe">def</span> foo a:_elem [
<span id="L1068" class="LineNr">1068 </span>]
<span id="L1069" class="LineNr">1069 </span><span class="Comment"># define a container with field 'z'</span>
<span id="L1070" class="LineNr">1070 </span><span class="muData">container</span> foo2 [
<span id="L1071" class="LineNr">1071 </span>  <span class="Normal">z</span>:num
<span id="L1072" class="LineNr">1072 </span>]
<span id="L1073" class="LineNr">1073 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L1074" class="LineNr">1074 </span>  local-scope
<span id="L1075" class="LineNr">1075 </span>  <span class="Normal">x</span>:foo2<span class="Special"> &lt;- </span>merge <span class="Constant">34</span>
<span id="L1076" class="LineNr">1076 </span>  <span class="Normal">y</span>:num<span class="Special"> &lt;- </span>get x<span class="Delimiter">,</span> z:offse  <span class="Comment"># typo in 'offset'</span>
<span id="L1077" class="LineNr">1077 </span><span class="PreProc">  </span><span class="Comment"># define a variable with the same name 'z'</span>
<span id="L1078" class="LineNr">1078 </span>  <span class="Normal">z</span>:&amp;:num<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
<span id="L1079" class="LineNr">1079 </span>  <span class="Comment"># trigger specialization of the shape-shifting recipe</span>
<span id="L1080" class="LineNr">1080 </span>  foo *z
<span id="L1081" class="LineNr">1081 </span>]
<span id="L1082" class="LineNr">1082 </span><span class="Comment"># shouldn't crash</span>
<span id="L1083" class="LineNr">1083 </span>
<span id="L1084" class="LineNr">1084 </span><span class="Delimiter">:(scenario tangle_shape_shifting_recipe)</span>
<span id="L1085" class="LineNr">1085 </span><span class="Comment"># shape-shifting recipe</span>
<span id="L1086" class="LineNr">1086 </span><span class="muRecipe">def</span> foo a:_elem [
<span id="L1087" class="LineNr">1087 </span>  local-scope
<span id="L1088" class="LineNr">1088 </span>  load-ingredients
<span id="L1089" class="LineNr">1089 </span>  &lt;label1&gt;
<span id="L1090" class="LineNr">1090 </span>]
<span id="L1091" class="LineNr">1091 </span><span class="Comment"># tangle some code that refers to the type ingredient</span>
<span id="L1092" class="LineNr">1092 </span><span class="muRecipe">after</span> &lt;label1&gt; [
<span id="L1093" class="LineNr">1093 </span>  <span class="Normal">b</span>:_elem<span class="Special"> &lt;- </span>copy a
<span id="L1094" class="LineNr">1094 </span>]
<span id="L1095" class="LineNr">1095 </span><span class="Comment"># trigger specialization</span>
<span id="L1096" class="LineNr">1096 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L1097" class="LineNr">1097 </span>  local-scope
<span id="L1098" class="LineNr">1098 </span>  foo <span class="Constant">34</span>
<span id="L1099" class="LineNr">1099 </span>]
<span id="L1100" class="LineNr">1100 </span>$error: <span class="Constant">0</span>
<span id="L1101" class="LineNr">1101 </span>
<span id="L1102" class="LineNr">1102 </span><span class="Delimiter">:(scenario tangle_shape_shifting_recipe_with_type_abbreviation)</span>
<span id="L1103" class="LineNr">1103 </span><span class="Comment"># shape-shifting recipe</span>
<span id="L1104" class="LineNr">1104 </span><span class="muRecipe">def</span> foo a:_elem [
<span id="L1105" class="LineNr">1105 </span>  local-scope
<span id="L1106" class="LineNr">1106 </span>  load-ingredients
<span id="L1107" class="LineNr">1107 </span>  &lt;label1&gt;
<span id="L1108" class="LineNr">1108 </span>]
<span id="L1109" class="LineNr">1109 </span><span class="Comment"># tangle some code that refers to the type ingredient</span>
<span id="L1110" class="LineNr">1110 </span><span class="muRecipe">after</span> &lt;label1&gt; [
<span id="L1111" class="LineNr">1111 </span>  <span class="Normal">b</span>:<span class="Normal">bool</span><span class="Special"> &lt;- </span>copy<span class="Constant"> false</span>  <span class="Comment"># type abbreviation</span>
<span id="L1112" class="LineNr">1112 </span>]
<span id="L1113" class="LineNr">1113 </span><span class="Comment"># trigger specialization</span>
<span id="L1114" class="LineNr">1114 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L1115" class="LineNr">1115 </span>  local-scope
<span id="L1116" class="LineNr">1116 </span>  foo <span class="Constant">34</span>
<span id="L1117" class="LineNr">1117 </span>]
<span id="L1118" class="LineNr">1118 </span>$error: <span class="Constant">0</span>
<span id="L1119" class="LineNr">1119 </span>
<span id="L1120" class="LineNr">1120 </span><span class="Delimiter">:(scenario shape_shifting_recipe_coexists_with_primitive)</span>
<span id="L1121" class="LineNr">1121 </span><span class="Comment"># recipe overloading a primitive with a generic type</span>
<span id="L1122" class="LineNr">1122 </span><span class="muRecipe">def</span> add a:&amp;:foo:_elem [
<span id="L1123" class="LineNr">1123 </span>  assert <span class="Constant">0</span><span class="Delimiter">,</span> [should <span class="Normal">not</span> get here]
<span id="L1124" class="LineNr">1124 </span>]
<span id="L1125" class="LineNr">1125 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L1126" class="LineNr">1126 </span>  <span class="Comment"># call primitive add with literal 0</span>
<span id="L1127" class="LineNr">1127 </span>  add <span class="Constant">0</span><span class="Delimiter">,</span> <span class="Constant">0</span>
<span id="L1128" class="LineNr">1128 </span>]
<span id="L1129" class="LineNr">1129 </span>$error: <span class="Constant">0</span>
<span id="L1130" class="LineNr">1130 </span>
<span id="L1131" class="LineNr">1131 </span><span class="Delimiter">:(scenario specialization_heuristic_test_1)</span>
<span id="L1132" class="LineNr">1132 </span><span class="Comment"># modeled on the 'buffer' container in text.mu</span>
<span id="L1133" class="LineNr">1133 </span><span class="muData">container</span> foo_buffer:_elem [
<span id="L1134" class="LineNr">1134 </span>  <span class="Normal">x</span>:num
<span id="L1135" class="LineNr">1135 </span>]
<span id="L1136" class="LineNr">1136 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L1137" class="LineNr">1137 </span>  append <span class="Constant">1</span>:&amp;:foo_buffer:<span class="Normal">char</span>/<span class="Special">raw</span><span class="Delimiter">,</span> <span class="Constant">2</span>:text/<span class="Special">raw</span>
<span id="L1138" class="LineNr">1138 </span>]
<span id="L1139" class="LineNr">1139 </span><span class="muRecipe">def</span> append buf:&amp;:foo_buffer:_elem<span class="Delimiter">,</span> x:_elem<span class="muRecipe"> -&gt; </span>buf:&amp;:foo_buffer:_elem [
<span id="L1140" class="LineNr">1140 </span>  local-scope
<span id="L1141" class="LineNr">1141 </span>  load-ingredients
<span id="L1142" class="LineNr">1142 </span>  stash <span class="Constant">34</span>
<span id="L1143" class="LineNr">1143 </span>]
<span id="L1144" class="LineNr">1144 </span><span class="muRecipe">def</span> append buf:&amp;:foo_buffer:<span class="Normal">char</span><span class="Delimiter">,</span> x:_elem<span class="muRecipe"> -&gt; </span>buf:&amp;:foo_buffer:<span class="Normal">char</span> [
<span id="L1145" class="LineNr">1145 </span>  local-scope
<span id="L1146" class="LineNr">1146 </span>  load-ingredients
<span id="L1147" class="LineNr">1147 </span>  stash <span class="Constant">35</span>
<span id="L1148" class="LineNr">1148 </span>]
<span id="L1149" class="LineNr">1149 </span><span class="muRecipe">def</span> append buf:&amp;:foo_buffer:_elem<span class="Delimiter">,</span> x:&amp;:@:_elem<span class="muRecipe"> -&gt; </span>buf:&amp;:foo_buffer:_elem [
<span id="L1150" class="LineNr">1150 </span>  local-scope
<span id="L1151" class="LineNr">1151 </span>  load-ingredients
<span id="L1152" class="LineNr">1152 </span>  stash <span class="Constant">36</span>
<span id="L1153" class="LineNr">1153 </span>]
<span id="L1154" class="LineNr">1154 </span><span class="traceContains">+app: 36</span>
</pre>
</body>
</html>
<!-- vim: set foldmethod=manual : -->
generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2024-10-21 20:59:58 +0000