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# Various knobs for translating SubX programs using SubX.

== data

# largest segment that can be translated
Segment-size:
  0x100000/imm32/1MB

# maximum size of input textual stream (spanning all segments)
Input-size:
  0x200000/imm32/2MB

# number of labels we can translate to addresses
Max-labels:
  0x20000/imm32/8K-labels/128KB

# capacity of trace-stream
Trace-size:
  0x100000/imm32/1MB
8'>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
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<title>Mu - 101run_sandboxed.cc</title>
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<pre id='vimCodeElement'>
<span id="L1" class="LineNr">  1 </span><span class="Comment">//: Helper for various programming environments: run arbitrary Mu code and</span>
<span id="L2" class="LineNr">  2 </span><span class="Comment">//: return some result in text form.</span>
<span id="L3" class="LineNr">  3 </span>
<span id="L4" class="LineNr">  4 </span><span class="Delimiter">:(scenario run_interactive_code)</span>
<span id="L5" class="LineNr">  5 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L6" class="LineNr">  6 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
<span id="L7" class="LineNr">  7 </span>  <span class="Constant">2</span>:text<span class="Special"> &lt;- </span><span class="Normal">new</span> [<span class="Constant">1</span>:num/<span class="Special">raw &lt;- </span>copy <span class="Constant">34</span>]
<span id="L8" class="LineNr">  8 </span>  run-sandboxed <span class="Constant">2</span>:text
<span id="L9" class="LineNr">  9 </span>  <span class="Constant">3</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">1</span>:num
<span id="L10" class="LineNr"> 10 </span>]
<span id="L11" class="LineNr"> 11 </span><span class="traceContains">+mem: storing 34 in location 3</span>
<span id="L12" class="LineNr"> 12 </span>
<span id="L13" class="LineNr"> 13 </span><span class="Delimiter">:(scenario run_interactive_empty)</span>
<span id="L14" class="LineNr"> 14 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L15" class="LineNr"> 15 </span>  <span class="Constant">1</span>:text<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>/unsafe
<span id="L16" class="LineNr"> 16 </span>  <span class="Constant">2</span>:text<span class="Special"> &lt;- </span>run-sandboxed <span class="Constant">1</span>:text
<span id="L17" class="LineNr"> 17 </span>]
<span id="L18" class="LineNr"> 18 </span><span class="Comment"># result is null</span>
<span id="L19" class="LineNr"> 19 </span><span class="traceContains">+mem: storing 0 in location 2</span>
<span id="L20" class="LineNr"> 20 </span>
<span id="L21" class="LineNr"> 21 </span><span class="Comment">//: As the name suggests, 'run-sandboxed' will prevent certain operations that</span>
<span id="L22" class="LineNr"> 22 </span><span class="Comment">//: regular Mu code can perform.</span>
<span id="L23" class="LineNr"> 23 </span><span class="Delimiter">:(before &quot;End Globals&quot;)</span>
<span id="L24" class="LineNr"> 24 </span><span class="Normal">bool</span> Sandbox_mode = <span class="Constant">false</span><span class="Delimiter">;</span>
<span id="L25" class="LineNr"> 25 </span><span class="Comment">//: for starters, users can't override 'main' when the environment is running</span>
<span id="L26" class="LineNr"> 26 </span><span class="Delimiter">:(before &quot;End Load Recipe Name&quot;)</span>
<span id="L27" class="LineNr"> 27 </span><span class="Normal">if</span> <span class="Delimiter">(</span>Sandbox_mode &amp;&amp; result<span class="Delimiter">.</span>name == <span class="Constant">&quot;main&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L28" class="LineNr"> 28 </span>  <a href='016dilated_reagent.cc.html#L57'>slurp_balanced_bracket</a><span class="Delimiter">(</span>in<span class="Delimiter">);</span>
<span id="L29" class="LineNr"> 29 </span>  <span class="Identifier">return</span> -<span class="Constant">1</span><span class="Delimiter">;</span>
<span id="L30" class="LineNr"> 30 </span><span class="Delimiter">}</span>
<span id="L31" class="LineNr"> 31 </span>
<span id="L32" class="LineNr"> 32 </span><span class="Comment">//: run code in 'interactive mode', i.e. with errors off and return:</span>
<span id="L33" class="LineNr"> 33 </span><span class="Comment">//:   stringified output in case we want to print it to screen</span>
<span id="L34" class="LineNr"> 34 </span><span class="Comment">//:   any errors encountered</span>
<span id="L35" class="LineNr"> 35 </span><span class="Comment">//:   simulated screen any prints went to</span>
<span id="L36" class="LineNr"> 36 </span><span class="Comment">//:   any 'app' layer traces generated</span>
<span id="L37" class="LineNr"> 37 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
<span id="L38" class="LineNr"> 38 </span>RUN_SANDBOXED<span class="Delimiter">,</span>
<span id="L39" class="LineNr"> 39 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
<span id="L40" class="LineNr"> 40 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;run-sandboxed&quot;</span><span class="Delimiter">,</span> RUN_SANDBOXED<span class="Delimiter">);</span>
<span id="L41" class="LineNr"> 41 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
<span id="L42" class="LineNr"> 42 </span><span class="Normal">case</span> RUN_SANDBOXED: <span class="Delimiter">{</span>
<span id="L43" class="LineNr"> 43 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L44" class="LineNr"> 44 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'run-sandboxed' requires exactly one ingredient, but got '&quot;</span> &lt;&lt; inst<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#L203'>end</a><span class="Delimiter">();</span>
<span id="L45" class="LineNr"> 45 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L46" class="LineNr"> 46 </span>  <span class="Delimiter">}</span>
<span id="L47" class="LineNr"> 47 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_text<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> <span class="Delimiter">{</span>
<span id="L48" class="LineNr"> 48 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;first ingredient of 'run-sandboxed' should be a string, but got '&quot;</span> &lt;&lt; to_string<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> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
<span id="L49" class="LineNr"> 49 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L50" class="LineNr"> 50 </span>  <span class="Delimiter">}</span>
<span id="L51" class="LineNr"> 51 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L52" class="LineNr"> 52 </span><span class="Delimiter">}</span>
<span id="L53" class="LineNr"> 53 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
<span id="L54" class="LineNr"> 54 </span><span class="Normal">case</span> RUN_SANDBOXED: <span class="Delimiter">{</span>
<span id="L55" class="LineNr"> 55 </span>  <span class="Normal">bool</span> new_code_pushed_to_stack = <a href='101run_sandboxed.cc.html#L92'>run_interactive</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span>
<span id="L56" class="LineNr"> 56 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!new_code_pushed_to_stack<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L57" class="LineNr"> 57 </span>    products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">5</span><span class="Delimiter">);</span>
<span id="L58" class="LineNr"> 58 </span>    products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L59" class="LineNr"> 59 </span>    products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><a href='101run_sandboxed.cc.html#L495'>trace_error_contents</a><span class="Delimiter">());</span>
<span id="L60" class="LineNr"> 60 </span>    products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L61" class="LineNr"> 61 </span>    products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">3</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><a href='101run_sandboxed.cc.html#L509'>trace_app_contents</a><span class="Delimiter">());</span>
<span id="L62" class="LineNr"> 62 </span>    products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">4</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>  <span class="Comment">// completed</span>
<span id="L63" class="LineNr"> 63 </span>    <a href='101run_sandboxed.cc.html#L158'>run_code_end</a><span class="Delimiter">();</span>
<span id="L64" class="LineNr"> 64 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>  <span class="Comment">// done with this instruction</span>
<span id="L65" class="LineNr"> 65 </span>  <span class="Delimiter">}</span>
<span id="L66" class="LineNr"> 66 </span>  <span class="Normal">else</span> <span class="Delimiter">{</span>
<span id="L67" class="LineNr"> 67 </span>    <span class="Identifier">continue</span><span class="Delimiter">;</span>  <span class="Comment">// not done with caller; don't increment current_step_index()</span>
<span id="L68" class="LineNr"> 68 </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="Comment">//: To show results in the sandbox Mu uses a hack: it saves the products</span>
<span id="L72" class="LineNr"> 72 </span><span class="Comment">//: returned by each instruction while Track_most_recent_products is true, and</span>
<span id="L73" class="LineNr"> 73 </span><span class="Comment">//: keeps the most recent such result around so that it can be returned as the</span>
<span id="L74" class="LineNr"> 74 </span><span class="Comment">//: result of a sandbox.</span>
<span id="L75" class="LineNr"> 75 </span>
<span id="L76" class="LineNr"> 76 </span><span class="Delimiter">:(before &quot;End Globals&quot;)</span>
<span id="L77" class="LineNr"> 77 </span><span class="Normal">bool</span> Track_most_recent_products = <span class="Constant">false</span><span class="Delimiter">;</span>
<span id="L78" class="LineNr"> 78 </span><span class="Normal">int</span> Call_depth_to_track_most_recent_products_at = <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L79" class="LineNr"> 79 </span>string Most_recent_products<span class="Delimiter">;</span>
<span id="L80" class="LineNr"> 80 </span><span class="Delimiter">:(before &quot;End Reset&quot;)</span>
<span id="L81" class="LineNr"> 81 </span>Track_most_recent_products = <span class="Constant">false</span><span class="Delimiter">;</span>
<span id="L82" class="LineNr"> 82 </span>Call_depth_to_track_most_recent_products_at = <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L83" class="LineNr"> 83 </span>Most_recent_products = <span class="Constant">&quot;&quot;</span><span class="Delimiter">;</span>
<span id="L84" class="LineNr"> 84 </span>
<span id="L85" class="LineNr"> 85 </span><span class="Delimiter">:(before &quot;End Globals&quot;)</span>
<span id="L86" class="LineNr"> 86 </span>trace_stream* Save_trace_stream = <span class="Constant">NULL</span><span class="Delimiter">;</span>
<span id="L87" class="LineNr"> 87 </span>string Save_trace_file<span class="Delimiter">;</span>
<span id="L88" class="LineNr"> 88 </span><span class="Delimiter">:(code)</span>
<span id="L89" class="LineNr"> 89 </span><span class="Comment">// reads a string, tries to call it as code (treating it as a test), saving</span>
<span id="L90" class="LineNr"> 90 </span><span class="Comment">// all errors.</span>
<span id="L91" class="LineNr"> 91 </span><span class="Comment">// returns true if successfully called (no errors found during load and transform)</span>
<span id="L92" class="LineNr"> 92 </span><span class="Normal">bool</span> <a href='101run_sandboxed.cc.html#L92'>run_interactive</a><span class="Delimiter">(</span><span class="Normal">int</span> <a href='043space.cc.html#L80'>address</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L93" class="LineNr"> 93 </span>  assert<span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;interactive&quot;</span><span class="Delimiter">)</span> &amp;&amp; get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;interactive&quot;</span><span class="Delimiter">)</span> != <span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L94" class="LineNr"> 94 </span>  <span class="Comment">// try to sandbox the run as best you can</span>
<span id="L95" class="LineNr"> 95 </span>  <span class="Comment">// todo: test this</span>
<span id="L96" class="LineNr"> 96 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!Current_scenario<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L97" class="LineNr"> 97 </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; Reserved_for_tests<span class="Delimiter">;</span> ++i<span class="Delimiter">)</span>
<span id="L98" class="LineNr"> 98 </span>      Memory<span class="Delimiter">.</span>erase<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span id="L99" class="LineNr"> 99 </span>  <span class="Delimiter">}</span>
<span id="L100" class="LineNr">100 </span>  string command = <a href='003trace.cc.html#L369'>trim</a><span class="Delimiter">(</span><a href='101run_sandboxed.cc.html#L474'>strip_comments</a><span class="Delimiter">(</span><a href='038new_text.cc.html#L141'>read_mu_text</a><span class="Delimiter">(</span><a href='043space.cc.html#L80'>address</a><span class="Delimiter">)));</span>
<span id="L101" class="LineNr">101 </span>  Name[get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;interactive&quot;</span><span class="Delimiter">)</span>]<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
<span id="L102" class="LineNr">102 </span>  <a href='101run_sandboxed.cc.html#L145'>run_code_begin</a><span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">should_stash_snapshots</span><span class="Comment">*/</span><span class="Constant">true</span><span class="Delimiter">);</span>
<span id="L103" class="LineNr">103 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>command<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
<span id="L104" class="LineNr">104 </span>  <span class="Comment">// don't kill the current routine on parse errors</span>
<span id="L105" class="LineNr">105 </span>  routine* save_current_routine = Current_routine<span class="Delimiter">;</span>
<span id="L106" class="LineNr">106 </span>  Current_routine = <span class="Constant">NULL</span><span class="Delimiter">;</span>
<span id="L107" class="LineNr">107 </span>  <span class="Comment">// call run(string) but without the scheduling</span>
<span id="L108" class="LineNr">108 </span>  load<span class="Delimiter">(</span>string<span class="Delimiter">(</span><span class="Constant">&quot;recipe! interactive [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">)</span> +
<span id="L109" class="LineNr">109 </span>          <span class="Constant">&quot;local-scope</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> +
<span id="L110" class="LineNr">110 </span>          <span class="Constant">&quot;screen:&amp;:screen &lt;- next-ingredient</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> +
<span id="L111" class="LineNr">111 </span>          <span class="Constant">&quot;$start-tracking-products</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> +
<span id="L112" class="LineNr">112 </span>          command + <span class="Constant">&quot;</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> +
<span id="L113" class="LineNr">113 </span>          <span class="Constant">&quot;$stop-tracking-products</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> +
<span id="L114" class="LineNr">114 </span>          <span class="Constant">&quot;return screen</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> +
<span id="L115" class="LineNr">115 </span>       <span class="Constant">&quot;]</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">);</span>
<span id="L116" class="LineNr">116 </span>  <a href='012transform.cc.html#L46'>transform_all</a><span class="Delimiter">();</span>
<span id="L117" class="LineNr">117 </span>  Current_routine = save_current_routine<span class="Delimiter">;</span>
<span id="L118" class="LineNr">118 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>trace_count<span class="Delimiter">(</span><span class="Constant">&quot;error&quot;</span><span class="Delimiter">)</span> &gt; <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
<span id="L119" class="LineNr">119 </span>  <span class="Comment">// now call 'sandbox' which will run 'interactive' in a separate routine,</span>
<span id="L120" class="LineNr">120 </span>  <span class="Comment">// and wait for it</span>
<span id="L121" class="LineNr">121 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>Save_trace_stream<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L122" class="LineNr">122 </span>    ++Save_trace_stream<span class="Delimiter">-&gt;</span>callstack_depth<span class="Delimiter">;</span>
<span id="L123" class="LineNr">123 </span>    <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;trace&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;run-sandboxed: incrementing callstack depth to &quot;</span> &lt;&lt; Save_trace_stream<span class="Delimiter">-&gt;</span>callstack_depth &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
<span id="L124" class="LineNr">124 </span>    assert<span class="Delimiter">(</span>Save_trace_stream<span class="Delimiter">-&gt;</span>callstack_depth &lt; <span class="Constant">9000</span><span class="Delimiter">);</span>  <span class="Comment">// 9998-101 plus cushion</span>
<span id="L125" class="LineNr">125 </span>  <span class="Delimiter">}</span>
<span id="L126" class="LineNr">126 </span>  Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>push_front<span class="Delimiter">(</span>call<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;sandbox&quot;</span><span class="Delimiter">)));</span>
<span id="L127" class="LineNr">127 </span>  <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
<span id="L128" class="LineNr">128 </span><span class="Delimiter">}</span>
<span id="L129" class="LineNr">129 </span>
<span id="L130" class="LineNr">130 </span><span class="Comment">//: Carefully update all state to exactly how it was -- including snapshots.</span>
<span id="L131" class="LineNr">131 </span>
<span id="L132" class="LineNr">132 </span><span class="Delimiter">:(before &quot;End Globals&quot;)</span>
<span id="L133" class="LineNr">133 </span><span class="Normal">bool</span> Run_profiler_stash = <span class="Constant">false</span><span class="Delimiter">;</span>
<span id="L134" class="LineNr">134 </span>map&lt;string<span class="Delimiter">,</span> recipe_ordinal&gt; Recipe_ordinal_snapshot_stash<span class="Delimiter">;</span>
<span id="L135" class="LineNr">135 </span>map&lt;recipe_ordinal<span class="Delimiter">,</span> recipe&gt; Recipe_snapshot_stash<span class="Delimiter">;</span>
<span id="L136" class="LineNr">136 </span>map&lt;string<span class="Delimiter">,</span> type_ordinal&gt; Type_ordinal_snapshot_stash<span class="Delimiter">;</span>
<span id="L137" class="LineNr">137 </span>map&lt;type_ordinal<span class="Delimiter">,</span> type_info&gt; Type_snapshot_stash<span class="Delimiter">;</span>
<span id="L138" class="LineNr">138 </span>map&lt;recipe_ordinal<span class="Delimiter">,</span> map&lt;string<span class="Delimiter">,</span> <span class="Normal">int</span>&gt; &gt; Name_snapshot_stash<span class="Delimiter">;</span>
<span id="L139" class="LineNr">139 </span>map&lt;string<span class="Delimiter">,</span> vector&lt;recipe_ordinal&gt; &gt; Recipe_variants_snapshot_stash<span class="Delimiter">;</span>
<span id="L140" class="LineNr">140 </span>map&lt;string<span class="Delimiter">,</span> type_tree*&gt; Type_abbreviations_snapshot_stash<span class="Delimiter">;</span>
<span id="L141" class="LineNr">141 </span>vector&lt;scenario&gt; Scenarios_snapshot_stash<span class="Delimiter">;</span>
<span id="L142" class="LineNr">142 </span>set&lt;string&gt; Scenario_names_snapshot_stash<span class="Delimiter">;</span>
<span id="L143" class="LineNr">143 </span>
<span id="L144" class="LineNr">144 </span><span class="Delimiter">:(code)</span>
<span id="L145" class="LineNr">145 </span><span class="Normal">void</span> <a href='101run_sandboxed.cc.html#L145'>run_code_begin</a><span class="Delimiter">(</span><span class="Normal">bool</span> should_stash_snapshots<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L146" class="LineNr">146 </span>  <span class="Comment">// stuff to undo later, in run_code_end()</span>
<span id="L147" class="LineNr">147 </span>  Hide_errors = <span class="Constant">true</span><span class="Delimiter">;</span>
<span id="L148" class="LineNr">148 </span>  Disable_redefine_checks = <span class="Constant">true</span><span class="Delimiter">;</span>
<span id="L149" class="LineNr">149 </span>  Run_profiler_stash = Run_profiler<span class="Delimiter">;</span>
<span id="L150" class="LineNr">150 </span>  Run_profiler = <span class="Constant">false</span><span class="Delimiter">;</span>
<span id="L151" class="LineNr">151 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>should_stash_snapshots<span class="Delimiter">)</span>
<span id="L152" class="LineNr">152 </span>    <a href='101run_sandboxed.cc.html#L176'>stash_snapshots</a><span class="Delimiter">();</span>
<span id="L153" class="LineNr">153 </span>  Save_trace_stream = Trace_stream<span class="Delimiter">;</span>
<span id="L154" class="LineNr">154 </span>  Trace_stream = <span class="Normal">new</span> trace_stream<span class="Delimiter">;</span>
<span id="L155" class="LineNr">155 </span>  Trace_stream<span class="Delimiter">-&gt;</span>collect_depth = App_depth<span class="Delimiter">;</span>
<span id="L156" class="LineNr">156 </span><span class="Delimiter">}</span>
<span id="L157" class="LineNr">157 </span>
<span id="L158" class="LineNr">158 </span><span class="Normal">void</span> <a href='101run_sandboxed.cc.html#L158'>run_code_end</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L159" class="LineNr">159 </span>  Hide_errors = <span class="Constant">false</span><span class="Delimiter">;</span>
<span id="L160" class="LineNr">160 </span>  Disable_redefine_checks = <span class="Constant">false</span><span class="Delimiter">;</span>
<span id="L161" class="LineNr">161 </span>  Run_profiler = Run_profiler_stash<span class="Delimiter">;</span>
<span id="L162" class="LineNr">162 </span>  Run_profiler_stash = <span class="Constant">false</span><span class="Delimiter">;</span>
<span id="L163" class="LineNr">163 </span><span class="CommentedCode">//?   ofstream fout(&quot;sandbox.log&quot;);</span>
<span id="L164" class="LineNr">164 </span><span class="CommentedCode">//?   fout &lt;&lt; Trace_stream-&gt;readable_contents(&quot;&quot;);</span>
<span id="L165" class="LineNr">165 </span><span class="CommentedCode">//?   fout.close();</span>
<span id="L166" class="LineNr">166 </span>  <span class="Normal">delete</span> Trace_stream<span class="Delimiter">;</span>
<span id="L167" class="LineNr">167 </span>  Trace_stream = Save_trace_stream<span class="Delimiter">;</span>
<span id="L168" class="LineNr">168 </span>  Save_trace_stream = <span class="Constant">NULL</span><span class="Delimiter">;</span>
<span id="L169" class="LineNr">169 </span>  Save_trace_file<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
<span id="L170" class="LineNr">170 </span>  Recipe<span class="Delimiter">.</span>erase<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;interactive&quot;</span><span class="Delimiter">));</span>  <span class="Comment">// keep past sandboxes from inserting errors</span>
<span id="L171" class="LineNr">171 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!Recipe_snapshot_stash<span class="Delimiter">.</span>empty<span class="Delimiter">())</span>
<span id="L172" class="LineNr">172 </span>    <a href='101run_sandboxed.cc.html#L197'>unstash_snapshots</a><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="Comment">// keep sync'd with save_snapshots and restore_snapshots</span>
<span id="L176" class="LineNr">176 </span><span class="Normal">void</span> <a href='101run_sandboxed.cc.html#L176'>stash_snapshots</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L177" class="LineNr">177 </span>  assert<span class="Delimiter">(</span>Recipe_ordinal_snapshot_stash<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
<span id="L178" class="LineNr">178 </span>  Recipe_ordinal_snapshot_stash = Recipe_ordinal_snapshot<span class="Delimiter">;</span>
<span id="L179" class="LineNr">179 </span>  assert<span class="Delimiter">(</span>Recipe_snapshot_stash<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
<span id="L180" class="LineNr">180 </span>  Recipe_snapshot_stash = Recipe_snapshot<span class="Delimiter">;</span>
<span id="L181" class="LineNr">181 </span>  assert<span class="Delimiter">(</span>Type_ordinal_snapshot_stash<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
<span id="L182" class="LineNr">182 </span>  Type_ordinal_snapshot_stash = Type_ordinal_snapshot<span class="Delimiter">;</span>
<span id="L183" class="LineNr">183 </span>  assert<span class="Delimiter">(</span>Type_snapshot_stash<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
<span id="L184" class="LineNr">184 </span>  Type_snapshot_stash = Type_snapshot<span class="Delimiter">;</span>
<span id="L185" class="LineNr">185 </span>  assert<span class="Delimiter">(</span>Name_snapshot_stash<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
<span id="L186" class="LineNr">186 </span>  Name_snapshot_stash = Name_snapshot<span class="Delimiter">;</span>
<span id="L187" class="LineNr">187 </span>  assert<span class="Delimiter">(</span>Recipe_variants_snapshot_stash<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
<span id="L188" class="LineNr">188 </span>  Recipe_variants_snapshot_stash = Recipe_variants_snapshot<span class="Delimiter">;</span>
<span id="L189" class="LineNr">189 </span>  assert<span class="Delimiter">(</span>Type_abbreviations_snapshot_stash<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
<span id="L190" class="LineNr">190 </span>  Type_abbreviations_snapshot_stash = Type_abbreviations_snapshot<span class="Delimiter">;</span>
<span id="L191" class="LineNr">191 </span>  assert<span class="Delimiter">(</span>Scenarios_snapshot_stash<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
<span id="L192" class="LineNr">192 </span>  Scenarios_snapshot_stash = Scenarios_snapshot<span class="Delimiter">;</span>
<span id="L193" class="LineNr">193 </span>  assert<span class="Delimiter">(</span>Scenario_names_snapshot_stash<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
<span id="L194" class="LineNr">194 </span>  Scenario_names_snapshot_stash = Scenario_names_snapshot<span class="Delimiter">;</span>
<span id="L195" class="LineNr">195 </span>  save_snapshots<span class="Delimiter">();</span>
<span id="L196" class="LineNr">196 </span><span class="Delimiter">}</span>
<span id="L197" class="LineNr">197 </span><span class="Normal">void</span> <a href='101run_sandboxed.cc.html#L197'>unstash_snapshots</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L198" class="LineNr">198 </span>  restore_snapshots<span class="Delimiter">();</span>
<span id="L199" class="LineNr">199 </span>  Recipe_ordinal_snapshot = Recipe_ordinal_snapshot_stash<span class="Delimiter">;</span>  Recipe_ordinal_snapshot_stash<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
<span id="L200" class="LineNr">200 </span>  Recipe_snapshot = Recipe_snapshot_stash<span class="Delimiter">;</span>  Recipe_snapshot_stash<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
<span id="L201" class="LineNr">201 </span>  Type_ordinal_snapshot = Type_ordinal_snapshot_stash<span class="Delimiter">;</span>  Type_ordinal_snapshot_stash<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
<span id="L202" class="LineNr">202 </span>  Type_snapshot = Type_snapshot_stash<span class="Delimiter">;</span>  Type_snapshot_stash<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
<span id="L203" class="LineNr">203 </span>  Name_snapshot = Name_snapshot_stash<span class="Delimiter">;</span>  Name_snapshot_stash<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
<span id="L204" class="LineNr">204 </span>  Recipe_variants_snapshot = Recipe_variants_snapshot_stash<span class="Delimiter">;</span>  Recipe_variants_snapshot_stash<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
<span id="L205" class="LineNr">205 </span>  Type_abbreviations_snapshot = Type_abbreviations_snapshot_stash<span class="Delimiter">;</span>  Type_abbreviations_snapshot_stash<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
<span id="L206" class="LineNr">206 </span>  Scenarios_snapshot = Scenarios_snapshot_stash<span class="Delimiter">;</span>  Scenarios_snapshot_stash<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
<span id="L207" class="LineNr">207 </span>  Scenario_names_snapshot = Scenario_names_snapshot_stash<span class="Delimiter">;</span>  Scenario_names_snapshot_stash<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
<span id="L208" class="LineNr">208 </span><span class="Delimiter">}</span>
<span id="L209" class="LineNr">209 </span>
<span id="L210" class="LineNr">210 </span><span class="Delimiter">:(before &quot;End Load Recipes&quot;)</span>
<span id="L211" class="LineNr">211 </span>load<span class="Delimiter">(</span>string<span class="Delimiter">(</span>
<span id="L212" class="LineNr">212 </span><span class="Constant">&quot;recipe interactive [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">)</span> +  <span class="Comment">// just a dummy version to initialize the Recipe_ordinal and so on</span>
<span id="L213" class="LineNr">213 </span><span class="Constant">&quot;]</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> +
<span id="L214" class="LineNr">214 </span><span class="Constant">&quot;recipe sandbox [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> +
<span id="L215" class="LineNr">215 </span>  <span class="Constant">&quot;local-scope</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> +
<span id="L216" class="LineNr">216 </span>  <span class="Constant">&quot;screen:&amp;:screen &lt;- new-fake-screen 30, 5</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> +
<span id="L217" class="LineNr">217 </span>  <span class="Constant">&quot;routine-id:num &lt;- start-running interactive, screen</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> +
<span id="L218" class="LineNr">218 </span>  <span class="Constant">&quot;limit-time routine-id, 100000/instructions</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> +
<span id="L219" class="LineNr">219 </span>  <span class="Constant">&quot;wait-for-routine routine-id</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> +
<span id="L220" class="LineNr">220 </span>  <span class="Constant">&quot;instructions-run:num &lt;- number-of-instructions routine-id</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> +
<span id="L221" class="LineNr">221 </span>  <span class="Constant">&quot;stash instructions-run [instructions run]</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> +
<span id="L222" class="LineNr">222 </span>  <span class="Constant">&quot;sandbox-state:num &lt;- routine-state routine-id</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> +
<span id="L223" class="LineNr">223 </span>  <span class="Constant">&quot;completed?:bool &lt;- equal sandbox-state, 1/completed</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> +
<span id="L224" class="LineNr">224 </span>  <span class="Constant">&quot;output:text &lt;- $most-recent-products</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> +
<span id="L225" class="LineNr">225 </span>  <span class="Constant">&quot;errors:text &lt;- save-errors</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> +
<span id="L226" class="LineNr">226 </span>  <span class="Constant">&quot;stashes:text &lt;- save-app-trace</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> +
<span id="L227" class="LineNr">227 </span>  <span class="Constant">&quot;$cleanup-run-sandboxed</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> +
<span id="L228" class="LineNr">228 </span>  <span class="Constant">&quot;return output, errors, screen, stashes, completed?</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> +
<span id="L229" class="LineNr">229 </span><span class="Constant">&quot;]</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">);</span>
<span id="L230" class="LineNr">230 </span>
<span id="L231" class="LineNr">231 </span><span class="Comment">//: adjust errors in the sandbox</span>
<span id="L232" class="LineNr">232 </span><span class="Delimiter">:(before &quot;End maybe(recipe_name) Special-cases&quot;)</span>
<span id="L233" class="LineNr">233 </span><span class="Normal">if</span> <span class="Delimiter">(</span>recipe_name == <span class="Constant">&quot;interactive&quot;</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">;</span>
<span id="L234" class="LineNr">234 </span>
<span id="L235" class="LineNr">235 </span><span class="Delimiter">:(scenario run_interactive_comments)</span>
<span id="L236" class="LineNr">236 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L237" class="LineNr">237 </span>  <span class="Constant">1</span>:text<span class="Special"> &lt;- </span><span class="Normal">new</span> [<span class="Comment"># ab</span>
<span id="L238" class="LineNr">238 </span>add <span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">2</span>]
<span id="L239" class="LineNr">239 </span>  <span class="Constant">2</span>:text<span class="Special"> &lt;- </span>run-sandboxed <span class="Constant">1</span>:text
<span id="L240" class="LineNr">240 </span>  <span class="Constant">3</span>:@:<span class="Normal">char</span><span class="Special"> &lt;- </span>copy *<span class="Constant">2</span>:text
<span id="L241" class="LineNr">241 </span>]
<span id="L242" class="LineNr">242 </span><span class="traceContains">+mem: storing 52 in location 4</span>
<span id="L243" class="LineNr">243 </span>
<span id="L244" class="LineNr">244 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
<span id="L245" class="LineNr">245 </span>_START_TRACKING_PRODUCTS<span class="Delimiter">,</span>
<span id="L246" class="LineNr">246 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
<span id="L247" class="LineNr">247 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$start-tracking-products&quot;</span><span class="Delimiter">,</span> _START_TRACKING_PRODUCTS<span class="Delimiter">);</span>
<span id="L248" class="LineNr">248 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
<span id="L249" class="LineNr">249 </span><span class="Normal">case</span> _START_TRACKING_PRODUCTS: <span class="Delimiter">{</span>
<span id="L250" class="LineNr">250 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L251" class="LineNr">251 </span><span class="Delimiter">}</span>
<span id="L252" class="LineNr">252 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
<span id="L253" class="LineNr">253 </span><span class="Normal">case</span> _START_TRACKING_PRODUCTS: <span class="Delimiter">{</span>
<span id="L254" class="LineNr">254 </span>  Track_most_recent_products = <span class="Constant">true</span><span class="Delimiter">;</span>
<span id="L255" class="LineNr">255 </span>  Call_depth_to_track_most_recent_products_at = <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">);</span>
<span id="L256" class="LineNr">256 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L257" class="LineNr">257 </span><span class="Delimiter">}</span>
<span id="L258" class="LineNr">258 </span>
<span id="L259" class="LineNr">259 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
<span id="L260" class="LineNr">260 </span>_STOP_TRACKING_PRODUCTS<span class="Delimiter">,</span>
<span id="L261" class="LineNr">261 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
<span id="L262" class="LineNr">262 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$stop-tracking-products&quot;</span><span class="Delimiter">,</span> _STOP_TRACKING_PRODUCTS<span class="Delimiter">);</span>
<span id="L263" class="LineNr">263 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
<span id="L264" class="LineNr">264 </span><span class="Normal">case</span> _STOP_TRACKING_PRODUCTS: <span class="Delimiter">{</span>
<span id="L265" class="LineNr">265 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L266" class="LineNr">266 </span><span class="Delimiter">}</span>
<span id="L267" class="LineNr">267 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
<span id="L268" class="LineNr">268 </span><span class="Normal">case</span> _STOP_TRACKING_PRODUCTS: <span class="Delimiter">{</span>
<span id="L269" class="LineNr">269 </span>  Track_most_recent_products = <span class="Constant">false</span><span class="Delimiter">;</span>
<span id="L270" class="LineNr">270 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L271" class="LineNr">271 </span><span class="Delimiter">}</span>
<span id="L272" class="LineNr">272 </span>
<span id="L273" class="LineNr">273 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
<span id="L274" class="LineNr">274 </span>_MOST_RECENT_PRODUCTS<span class="Delimiter">,</span>
<span id="L275" class="LineNr">275 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
<span id="L276" class="LineNr">276 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$most-recent-products&quot;</span><span class="Delimiter">,</span> _MOST_RECENT_PRODUCTS<span class="Delimiter">);</span>
<span id="L277" class="LineNr">277 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
<span id="L278" class="LineNr">278 </span><span class="Normal">case</span> _MOST_RECENT_PRODUCTS: <span class="Delimiter">{</span>
<span id="L279" class="LineNr">279 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L280" class="LineNr">280 </span><span class="Delimiter">}</span>
<span id="L281" class="LineNr">281 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
<span id="L282" class="LineNr">282 </span><span class="Normal">case</span> _MOST_RECENT_PRODUCTS: <span class="Delimiter">{</span>
<span id="L283" class="LineNr">283 </span>  products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
<span id="L284" class="LineNr">284 </span>  products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><a href='038new_text.cc.html#L38'>new_mu_text</a><span class="Delimiter">(</span>Most_recent_products<span class="Delimiter">));</span>
<span id="L285" class="LineNr">285 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L286" class="LineNr">286 </span><span class="Delimiter">}</span>
<span id="L287" class="LineNr">287 </span>
<span id="L288" class="LineNr">288 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
<span id="L289" class="LineNr">289 </span>SAVE_ERRORS<span class="Delimiter">,</span>
<span id="L290" class="LineNr">290 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
<span id="L291" class="LineNr">291 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;save-errors&quot;</span><span class="Delimiter">,</span> SAVE_ERRORS<span class="Delimiter">);</span>
<span id="L292" class="LineNr">292 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
<span id="L293" class="LineNr">293 </span><span class="Normal">case</span> SAVE_ERRORS: <span class="Delimiter">{</span>
<span id="L294" class="LineNr">294 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L295" class="LineNr">295 </span><span class="Delimiter">}</span>
<span id="L296" class="LineNr">296 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
<span id="L297" class="LineNr">297 </span><span class="Normal">case</span> SAVE_ERRORS: <span class="Delimiter">{</span>
<span id="L298" class="LineNr">298 </span>  products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
<span id="L299" class="LineNr">299 </span>  products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><a href='101run_sandboxed.cc.html#L495'>trace_error_contents</a><span class="Delimiter">());</span>
<span id="L300" class="LineNr">300 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L301" class="LineNr">301 </span><span class="Delimiter">}</span>
<span id="L302" class="LineNr">302 </span>
<span id="L303" class="LineNr">303 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
<span id="L304" class="LineNr">304 </span>SAVE_APP_TRACE<span class="Delimiter">,</span>
<span id="L305" class="LineNr">305 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
<span id="L306" class="LineNr">306 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;save-app-trace&quot;</span><span class="Delimiter">,</span> SAVE_APP_TRACE<span class="Delimiter">);</span>
<span id="L307" class="LineNr">307 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
<span id="L308" class="LineNr">308 </span><span class="Normal">case</span> SAVE_APP_TRACE: <span class="Delimiter">{</span>
<span id="L309" class="LineNr">309 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L310" class="LineNr">310 </span><span class="Delimiter">}</span>
<span id="L311" class="LineNr">311 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
<span id="L312" class="LineNr">312 </span><span class="Normal">case</span> SAVE_APP_TRACE: <span class="Delimiter">{</span>
<span id="L313" class="LineNr">313 </span>  products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
<span id="L314" class="LineNr">314 </span>  products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><a href='101run_sandboxed.cc.html#L509'>trace_app_contents</a><span class="Delimiter">());</span>
<span id="L315" class="LineNr">315 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L316" class="LineNr">316 </span><span class="Delimiter">}</span>
<span id="L317" class="LineNr">317 </span>
<span id="L318" class="LineNr">318 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
<span id="L319" class="LineNr">319 </span>_CLEANUP_RUN_SANDBOXED<span class="Delimiter">,</span>
<span id="L320" class="LineNr">320 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
<span id="L321" class="LineNr">321 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$cleanup-run-sandboxed&quot;</span><span class="Delimiter">,</span> _CLEANUP_RUN_SANDBOXED<span class="Delimiter">);</span>
<span id="L322" class="LineNr">322 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
<span id="L323" class="LineNr">323 </span><span class="Normal">case</span> _CLEANUP_RUN_SANDBOXED: <span class="Delimiter">{</span>
<span id="L324" class="LineNr">324 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L325" class="LineNr">325 </span><span class="Delimiter">}</span>
<span id="L326" class="LineNr">326 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
<span id="L327" class="LineNr">327 </span><span class="Normal">case</span> _CLEANUP_RUN_SANDBOXED: <span class="Delimiter">{</span>
<span id="L328" class="LineNr">328 </span>  <a href='101run_sandboxed.cc.html#L158'>run_code_end</a><span class="Delimiter">();</span>
<span id="L329" class="LineNr">329 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L330" class="LineNr">330 </span><span class="Delimiter">}</span>
<span id="L331" class="LineNr">331 </span>
<span id="L332" class="LineNr">332 </span><span class="Delimiter">:(scenario &quot;run_interactive_converts_result_to_text&quot;)</span>
<span id="L333" class="LineNr">333 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L334" class="LineNr">334 </span>  <span class="Comment"># try to interactively add 2 and 2</span>
<span id="L335" class="LineNr">335 </span>  <span class="Constant">1</span>:text<span class="Special"> &lt;- </span><span class="Normal">new</span> [add <span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">2</span>]
<span id="L336" class="LineNr">336 </span>  <span class="Constant">2</span>:text<span class="Special"> &lt;- </span>run-sandboxed <span class="Constant">1</span>:text
<span id="L337" class="LineNr">337 </span>  <span class="Constant">10</span>:@:<span class="Normal">char</span><span class="Special"> &lt;- </span>copy *<span class="Constant">2</span>:text
<span id="L338" class="LineNr">338 </span>]
<span id="L339" class="LineNr">339 </span><span class="Comment"># first letter in the output should be '4' in unicode</span>
<span id="L340" class="LineNr">340 </span><span class="traceContains">+mem: storing 52 in location 11</span>
<span id="L341" class="LineNr">341 </span>
<span id="L342" class="LineNr">342 </span><span class="Delimiter">:(scenario &quot;run_interactive_ignores_products_in_nested_functions&quot;)</span>
<span id="L343" class="LineNr">343 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L344" class="LineNr">344 </span>  <span class="Constant">1</span>:text<span class="Special"> &lt;- </span><span class="Normal">new</span> [foo]
<span id="L345" class="LineNr">345 </span>  <span class="Constant">2</span>:text<span class="Special"> &lt;- </span>run-sandboxed <span class="Constant">1</span>:text
<span id="L346" class="LineNr">346 </span>  <span class="Constant">10</span>:@:<span class="Normal">char</span><span class="Special"> &lt;- </span>copy *<span class="Constant">2</span>:text
<span id="L347" class="LineNr">347 </span>]
<span id="L348" class="LineNr">348 </span><span class="muRecipe">def</span> foo [
<span id="L349" class="LineNr">349 </span>  <span class="Constant">20</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">1234</span>
<span id="L350" class="LineNr">350 </span>  <span class="Delimiter">{</span>
<span id="L351" class="LineNr">351 </span>    <span class="Identifier">break</span>
<span id="L352" class="LineNr">352 </span>    reply <span class="Constant">5678</span>
<span id="L353" class="LineNr">353 </span>  <span class="Delimiter">}</span>
<span id="L354" class="LineNr">354 </span>]
<span id="L355" class="LineNr">355 </span><span class="Comment"># no product should have been tracked</span>
<span id="L356" class="LineNr">356 </span><span class="traceContains">+mem: storing 0 in location 10</span>
<span id="L357" class="LineNr">357 </span>
<span id="L358" class="LineNr">358 </span><span class="Delimiter">:(scenario &quot;run_interactive_ignores_products_in_previous_instructions&quot;)</span>
<span id="L359" class="LineNr">359 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L360" class="LineNr">360 </span>  <span class="Constant">1</span>:text<span class="Special"> &lt;- </span><span class="Normal">new</span> [
<span id="L361" class="LineNr">361 </span>    add <span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">1</span>  <span class="Comment"># generates a product</span>
<span id="L362" class="LineNr">362 </span>    foo]  <span class="Comment"># no products</span>
<span id="L363" class="LineNr">363 </span>  <span class="Constant">2</span>:text<span class="Special"> &lt;- </span>run-sandboxed <span class="Constant">1</span>:text
<span id="L364" class="LineNr">364 </span>  <span class="Constant">10</span>:@:<span class="Normal">char</span><span class="Special"> &lt;- </span>copy *<span class="Constant">2</span>:text
<span id="L365" class="LineNr">365 </span>]
<span id="L366" class="LineNr">366 </span><span class="muRecipe">def</span> foo [
<span id="L367" class="LineNr">367 </span>  <span class="Constant">20</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">1234</span>
<span id="L368" class="LineNr">368 </span>  <span class="Delimiter">{</span>
<span id="L369" class="LineNr">369 </span>    <span class="Identifier">break</span>
<span id="L370" class="LineNr">370 </span>    reply <span class="Constant">5678</span>
<span id="L371" class="LineNr">371 </span>  <span class="Delimiter">}</span>
<span id="L372" class="LineNr">372 </span>]
<span id="L373" class="LineNr">373 </span><span class="Comment"># no product should have been tracked</span>
<span id="L374" class="LineNr">374 </span><span class="traceContains">+mem: storing 0 in location 10</span>
<span id="L375" class="LineNr">375 </span>
<span id="L376" class="LineNr">376 </span><span class="Delimiter">:(scenario &quot;run_interactive_remembers_products_before_final_label&quot;)</span>
<span id="L377" class="LineNr">377 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L378" class="LineNr">378 </span>  <span class="Constant">1</span>:text<span class="Special"> &lt;- </span><span class="Normal">new</span> [
<span id="L379" class="LineNr">379 </span>    add <span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">1</span>  <span class="Comment"># generates a product</span>
<span id="L380" class="LineNr">380 </span>    +foo]  <span class="Comment"># no products</span>
<span id="L381" class="LineNr">381 </span>  <span class="Constant">2</span>:text<span class="Special"> &lt;- </span>run-sandboxed <span class="Constant">1</span>:text
<span id="L382" class="LineNr">382 </span>  <span class="Constant">10</span>:@:<span class="Normal">char</span><span class="Special"> &lt;- </span>copy *<span class="Constant">2</span>:text
<span id="L383" class="LineNr">383 </span>]
<span id="L384" class="LineNr">384 </span><span class="muRecipe">def</span> foo [
<span id="L385" class="LineNr">385 </span>  <span class="Constant">20</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">1234</span>
<span id="L386" class="LineNr">386 </span>  <span class="Delimiter">{</span>
<span id="L387" class="LineNr">387 </span>    <span class="Identifier">break</span>
<span id="L388" class="LineNr">388 </span>    reply <span class="Constant">5678</span>
<span id="L389" class="LineNr">389 </span>  <span class="Delimiter">}</span>
<span id="L390" class="LineNr">390 </span>]
<span id="L391" class="LineNr">391 </span><span class="Comment"># product tracked</span>
<span id="L392" class="LineNr">392 </span><span class="traceContains">+mem: storing 50 in location 11</span>
<span id="L393" class="LineNr">393 </span>
<span id="L394" class="LineNr">394 </span><span class="Delimiter">:(scenario &quot;run_interactive_returns_text&quot;)</span>
<span id="L395" class="LineNr">395 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L396" class="LineNr">396 </span>  <span class="Comment"># try to interactively add 2 and 2</span>
<span id="L397" class="LineNr">397 </span>  <span class="Constant">1</span>:text<span class="Special"> &lt;- </span><span class="Normal">new</span> [
<span id="L398" class="LineNr">398 </span>    <span class="Normal">x</span>:text<span class="Special"> &lt;- </span><span class="Normal">new</span> [a]
<span id="L399" class="LineNr">399 </span>    <span class="Normal">y</span>:text<span class="Special"> &lt;- </span><span class="Normal">new</span> [b]
<span id="L400" class="LineNr">400 </span>    <span class="Normal">z</span>:text<span class="Special"> &lt;- </span>append x:text<span class="Delimiter">,</span> y:text
<span id="L401" class="LineNr">401 </span>  ]
<span id="L402" class="LineNr">402 </span>  <span class="Constant">2</span>:text<span class="Special"> &lt;- </span>run-sandboxed <span class="Constant">1</span>:text
<span id="L403" class="LineNr">403 </span>  <span class="Constant">10</span>:@:<span class="Normal">char</span><span class="Special"> &lt;- </span>copy *<span class="Constant">2</span>:text
<span id="L404" class="LineNr">404 </span>]
<span id="L405" class="LineNr">405 </span><span class="Comment"># output contains &quot;ab&quot;</span>
<span id="L406" class="LineNr">406 </span><span class="traceContains">+mem: storing 97 in location 11</span>
<span id="L407" class="LineNr">407 </span><span class="traceContains">+mem: storing 98 in location 12</span>
<span id="L408" class="LineNr">408 </span>
<span id="L409" class="LineNr">409 </span><span class="Delimiter">:(scenario &quot;run_interactive_returns_errors&quot;)</span>
<span id="L410" class="LineNr">410 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L411" class="LineNr">411 </span>  <span class="Comment"># run a command that generates an error</span>
<span id="L412" class="LineNr">412 </span>  <span class="Constant">1</span>:text<span class="Special"> &lt;- </span><span class="Normal">new</span> [x:num<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
<span id="L413" class="LineNr">413 </span>get x:num<span class="Delimiter">,</span> <span class="Constant">foo:offset</span>]
<span id="L414" class="LineNr">414 </span>  <span class="Constant">2</span>:text<span class="Delimiter">,</span> <span class="Constant">3</span>:text<span class="Special"> &lt;- </span>run-sandboxed <span class="Constant">1</span>:text
<span id="L415" class="LineNr">415 </span>  <span class="Constant">10</span>:@:<span class="Normal">char</span><span class="Special"> &lt;- </span>copy *<span class="Constant">3</span>:text
<span id="L416" class="LineNr">416 </span>]
<span id="L417" class="LineNr">417 </span><span class="Comment"># error should be &quot;unknown element foo in container number&quot;</span>
<span id="L418" class="LineNr">418 </span><span class="traceContains">+mem: storing 117 in location 11</span>
<span id="L419" class="LineNr">419 </span><span class="traceContains">+mem: storing 110 in location 12</span>
<span id="L420" class="LineNr">420 </span><span class="traceContains">+mem: storing 107 in location 13</span>
<span id="L421" class="LineNr">421 </span><span class="traceContains">+mem: storing 110 in location 14</span>
<span id="L422" class="LineNr">422 </span><span class="Comment"># ...</span>
<span id="L423" class="LineNr">423 </span>
<span id="L424" class="LineNr">424 </span><span class="Delimiter">:(scenario run_interactive_with_comment)</span>
<span id="L425" class="LineNr">425 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L426" class="LineNr">426 </span>  <span class="Comment"># 2 instructions, with a comment after the first</span>
<span id="L427" class="LineNr">427 </span>  <span class="Constant">1</span>:&amp;:@:num<span class="Special"> &lt;- </span><span class="Normal">new</span> [a:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>  <span class="Comment"># abc</span>
<span id="L428" class="LineNr">428 </span><span class="Normal">b</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
<span id="L429" class="LineNr">429 </span>]
<span id="L430" class="LineNr">430 </span>  <span class="Constant">2</span>:text<span class="Delimiter">,</span> <span class="Constant">3</span>:text<span class="Special"> &lt;- </span>run-sandboxed <span class="Constant">1</span>:text
<span id="L431" class="LineNr">431 </span>]
<span id="L432" class="LineNr">432 </span><span class="Comment"># no errors</span>
<span id="L433" class="LineNr">433 </span><span class="traceContains">+mem: storing 0 in location 3</span>
<span id="L434" class="LineNr">434 </span>
<span id="L435" class="LineNr">435 </span><span class="Delimiter">:(after &quot;Running One Instruction&quot;)</span>
<span id="L436" class="LineNr">436 </span><span class="Normal">if</span> <span class="Delimiter">(</span>Track_most_recent_products &amp;&amp; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">)</span> == Call_depth_to_track_most_recent_products_at
<span id="L437" class="LineNr">437 </span>    &amp;&amp; !current_instruction<span class="Delimiter">().</span>is_label
<span id="L438" class="LineNr">438 </span>    &amp;&amp; <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>name != <span class="Constant">&quot;$stop-tracking-products&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L439" class="LineNr">439 </span>  Most_recent_products = <span class="Constant">&quot;&quot;</span><span class="Delimiter">;</span>
<span id="L440" class="LineNr">440 </span><span class="Delimiter">}</span>
<span id="L441" class="LineNr">441 </span><span class="Delimiter">:(before &quot;End Running One Instruction&quot;)</span>
<span id="L442" class="LineNr">442 </span><span class="Normal">if</span> <span class="Delimiter">(</span>Track_most_recent_products &amp;&amp; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">)</span> == Call_depth_to_track_most_recent_products_at<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L443" class="LineNr">443 </span>  Most_recent_products = <a href='101run_sandboxed.cc.html#L446'>track_most_recent_products</a><span class="Delimiter">(</span><a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">(),</span> products<span class="Delimiter">);</span>
<span id="L444" class="LineNr">444 </span><span class="Delimiter">}</span>
<span id="L445" class="LineNr">445 </span><span class="Delimiter">:(code)</span>
<span id="L446" class="LineNr">446 </span>string <a href='101run_sandboxed.cc.html#L446'>track_most_recent_products</a><span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp; <a href='010vm.cc.html#L32'>instruction</a><span class="Delimiter">,</span> <span class="Normal">const</span> vector&lt;vector&lt;<span class="Normal">double</span>&gt; &gt;&amp; products<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L447" class="LineNr">447 </span>  ostringstream out<span class="Delimiter">;</span>
<span id="L448" class="LineNr">448 </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>products<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L449" class="LineNr">449 </span>    <span class="Comment">// A sandbox can print a string result, but only if it is actually saved</span>
<span id="L450" class="LineNr">450 </span>    <span class="Comment">// to a variable in the sandbox, because otherwise the results are</span>
<span id="L451" class="LineNr">451 </span>    <span class="Comment">// reclaimed before the sandbox sees them. So you get these interactions</span>
<span id="L452" class="LineNr">452 </span>    <span class="Comment">// in the sandbox:</span>
<span id="L453" class="LineNr">453 </span>    <span class="Comment">//</span>
<span id="L454" class="LineNr">454 </span>    <span class="Comment">//    new [abc]</span>
<span id="L455" class="LineNr">455 </span>    <span class="Comment">//    =&gt; &lt;address&gt;</span>
<span id="L456" class="LineNr">456 </span>    <span class="Comment">//</span>
<span id="L457" class="LineNr">457 </span>    <span class="Comment">//    x:text &lt;- new [abc]</span>
<span id="L458" class="LineNr">458 </span>    <span class="Comment">//    =&gt; abc</span>
<span id="L459" class="LineNr">459 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span><a href='010vm.cc.html#L32'>instruction</a><span class="Delimiter">.</span>products<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L460" class="LineNr">460 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span><a href='027call_ingredient.cc.html#L177'>is_mu_text</a><span class="Delimiter">(</span><a href='010vm.cc.html#L32'>instruction</a><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="L461" class="LineNr">461 </span>        <span class="Normal">if</span> <span class="Delimiter">(</span>!scalar<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 class="Comment">// error handled elsewhere</span>
<span id="L462" class="LineNr">462 </span>        out &lt;&lt; <a href='038new_text.cc.html#L141'>read_mu_text</a><span class="Delimiter">(</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
<span id="L463" class="LineNr">463 </span>        <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L464" class="LineNr">464 </span>      <span class="Delimiter">}</span>
<span id="L465" class="LineNr">465 </span>    <span class="Delimiter">}</span>
<span id="L466" class="LineNr">466 </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>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span> ++j<span class="Delimiter">)</span>
<span id="L467" class="LineNr">467 </span>      out &lt;&lt; no_scientific<span class="Delimiter">(</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>at<span class="Delimiter">(</span>j<span class="Delimiter">))</span> &lt;&lt; <span class="Constant">' '</span><span class="Delimiter">;</span>
<span id="L468" class="LineNr">468 </span>    out &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
<span id="L469" class="LineNr">469 </span>  <span class="Delimiter">}</span>
<span id="L470" class="LineNr">470 </span>  <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
<span id="L471" class="LineNr">471 </span><span class="Delimiter">}</span>
<span id="L472" class="LineNr">472 </span>
<span id="L473" class="LineNr">473 </span><span class="Delimiter">:(code)</span>
<span id="L474" class="LineNr">474 </span>string <a href='101run_sandboxed.cc.html#L474'>strip_comments</a><span class="Delimiter">(</span>string in<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L475" class="LineNr">475 </span>  ostringstream result<span class="Delimiter">;</span>
<span id="L476" class="LineNr">476 </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>in<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L477" class="LineNr">477 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>in<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)</span> != <span class="Constant">'#'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L478" class="LineNr">478 </span>      result &lt;&lt; in<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span id="L479" class="LineNr">479 </span>    <span class="Delimiter">}</span>
<span id="L480" class="LineNr">480 </span>    <span class="Normal">else</span> <span class="Delimiter">{</span>
<span id="L481" class="LineNr">481 </span>      <span class="Normal">while</span> <span class="Delimiter">(</span>i+<span class="Constant">1</span> &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>in<span class="Delimiter">)</span> &amp;&amp; in<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i+<span class="Constant">1</span><span class="Delimiter">)</span> != <span class="cSpecial">'\n'</span><span class="Delimiter">)</span>
<span id="L482" class="LineNr">482 </span>        ++i<span class="Delimiter">;</span>
<span id="L483" class="LineNr">483 </span>    <span class="Delimiter">}</span>
<span id="L484" class="LineNr">484 </span>  <span class="Delimiter">}</span>
<span id="L485" class="LineNr">485 </span>  <span class="Identifier">return</span> result<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
<span id="L486" class="LineNr">486 </span><span class="Delimiter">}</span>
<span id="L487" class="LineNr">487 </span>
<span id="L488" class="LineNr">488 </span><span class="Normal">int</span> <a href='101run_sandboxed.cc.html#L488'>stringified_value_of_location</a><span class="Delimiter">(</span><span class="Normal">int</span> <a href='043space.cc.html#L80'>address</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L489" class="LineNr">489 </span>  <span class="Comment">// convert to string</span>
<span id="L490" class="LineNr">490 </span>  ostringstream out<span class="Delimiter">;</span>
<span id="L491" class="LineNr">491 </span>  out &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <a href='043space.cc.html#L80'>address</a><span class="Delimiter">));</span>
<span id="L492" class="LineNr">492 </span>  <span class="Identifier">return</span> <a href='038new_text.cc.html#L38'>new_mu_text</a><span class="Delimiter">(</span>out<span class="Delimiter">.</span>str<span class="Delimiter">());</span>
<span id="L493" class="LineNr">493 </span><span class="Delimiter">}</span>
<span id="L494" class="LineNr">494 </span>
<span id="L495" class="LineNr">495 </span><span class="Normal">int</span> <a href='101run_sandboxed.cc.html#L495'>trace_error_contents</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L496" class="LineNr">496 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!Trace_stream<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L497" class="LineNr">497 </span>  ostringstream out<span class="Delimiter">;</span>
<span id="L498" class="LineNr">498 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>vector&lt;trace_line&gt;::iterator p = Trace_stream<span class="Delimiter">-&gt;</span>past_lines<span class="Delimiter">.</span>begin<span class="Delimiter">();</span> p != Trace_stream<span class="Delimiter">-&gt;</span>past_lines<span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span> ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L499" class="LineNr">499 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">-&gt;</span>label != <span class="Constant">&quot;error&quot;</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L500" class="LineNr">500 </span>    out &lt;&lt; p<span class="Delimiter">-&gt;</span>contents<span class="Delimiter">;</span>
<span id="L501" class="LineNr">501 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>*--p<span class="Delimiter">-&gt;</span>contents<span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">()</span> != <span class="cSpecial">'\n'</span><span class="Delimiter">)</span> out &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
<span id="L502" class="LineNr">502 </span>  <span class="Delimiter">}</span>
<span id="L503" class="LineNr">503 </span>  string result = out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
<span id="L504" class="LineNr">504 </span>  <a href='101run_sandboxed.cc.html#L523'>truncate</a><span class="Delimiter">(</span>result<span class="Delimiter">);</span>
<span id="L505" class="LineNr">505 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>result<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L506" class="LineNr">506 </span>  <span class="Identifier">return</span> <a href='038new_text.cc.html#L38'>new_mu_text</a><span class="Delimiter">(</span>result<span class="Delimiter">);</span>
<span id="L507" class="LineNr">507 </span><span class="Delimiter">}</span>
<span id="L508" class="LineNr">508 </span>
<span id="L509" class="LineNr">509 </span><span class="Normal">int</span> <a href='101run_sandboxed.cc.html#L509'>trace_app_contents</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L510" class="LineNr">510 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!Trace_stream<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L511" class="LineNr">511 </span>  ostringstream out<span class="Delimiter">;</span>
<span id="L512" class="LineNr">512 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>vector&lt;trace_line&gt;::iterator p = Trace_stream<span class="Delimiter">-&gt;</span>past_lines<span class="Delimiter">.</span>begin<span class="Delimiter">();</span> p != Trace_stream<span class="Delimiter">-&gt;</span>past_lines<span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span> ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L513" class="LineNr">513 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">-&gt;</span>depth != App_depth<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L514" class="LineNr">514 </span>    out &lt;&lt; p<span class="Delimiter">-&gt;</span>contents<span class="Delimiter">;</span>
<span id="L515" class="LineNr">515 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>*--p<span class="Delimiter">-&gt;</span>contents<span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">()</span> != <span class="cSpecial">'\n'</span><span class="Delimiter">)</span> out &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
<span id="L516" class="LineNr">516 </span>  <span class="Delimiter">}</span>
<span id="L517" class="LineNr">517 </span>  string result = out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
<span id="L518" class="LineNr">518 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>result<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L519" class="LineNr">519 </span>  <a href='101run_sandboxed.cc.html#L523'>truncate</a><span class="Delimiter">(</span>result<span class="Delimiter">);</span>
<span id="L520" class="LineNr">520 </span>  <span class="Identifier">return</span> <a href='038new_text.cc.html#L38'>new_mu_text</a><span class="Delimiter">(</span>result<span class="Delimiter">);</span>
<span id="L521" class="LineNr">521 </span><span class="Delimiter">}</span>
<span id="L522" class="LineNr">522 </span>
<span id="L523" class="LineNr">523 </span><span class="Normal">void</span> <a href='101run_sandboxed.cc.html#L523'>truncate</a><span class="Delimiter">(</span>string&amp; x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L524" class="LineNr">524 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>x<span class="Delimiter">)</span> &gt; <span class="Constant">1024</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L525" class="LineNr">525 </span>    x<span class="Delimiter">.</span>erase<span class="Delimiter">(</span><span class="Constant">1024</span><span class="Delimiter">);</span>
<span id="L526" class="LineNr">526 </span>    *x<span class="Delimiter">.</span>rbegin<span class="Delimiter">()</span> = <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
<span id="L527" class="LineNr">527 </span>    *++x<span class="Delimiter">.</span>rbegin<span class="Delimiter">()</span> = <span class="Constant">'.'</span><span class="Delimiter">;</span>
<span id="L528" class="LineNr">528 </span>    *++++x<span class="Delimiter">.</span>rbegin<span class="Delimiter">()</span> = <span class="Constant">'.'</span><span class="Delimiter">;</span>
<span id="L529" class="LineNr">529 </span>  <span class="Delimiter">}</span>
<span id="L530" class="LineNr">530 </span><span class="Delimiter">}</span>
<span id="L531" class="LineNr">531 </span>
<span id="L532" class="LineNr">532 </span><span class="Comment">//: simpler version of run-sandboxed: doesn't do any running, just loads</span>
<span id="L533" class="LineNr">533 </span><span class="Comment">//: recipes and reports errors.</span>
<span id="L534" class="LineNr">534 </span>
<span id="L535" class="LineNr">535 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
<span id="L536" class="LineNr">536 </span>RELOAD<span class="Delimiter">,</span>
<span id="L537" class="LineNr">537 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
<span id="L538" class="LineNr">538 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;reload&quot;</span><span class="Delimiter">,</span> RELOAD<span class="Delimiter">);</span>
<span id="L539" class="LineNr">539 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
<span id="L540" class="LineNr">540 </span><span class="Normal">case</span> RELOAD: <span class="Delimiter">{</span>
<span id="L541" class="LineNr">541 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L542" class="LineNr">542 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'reload' requires exactly one ingredient, but got '&quot;</span> &lt;&lt; inst<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#L203'>end</a><span class="Delimiter">();</span>
<span id="L543" class="LineNr">543 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L544" class="LineNr">544 </span>  <span class="Delimiter">}</span>
<span id="L545" class="LineNr">545 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_text<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> <span class="Delimiter">{</span>
<span id="L546" class="LineNr">546 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;first ingredient of 'reload' should be a string, but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><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#L203'>end</a><span class="Delimiter">();</span>
<span id="L547" class="LineNr">547 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L548" class="LineNr">548 </span>  <span class="Delimiter">}</span>
<span id="L549" class="LineNr">549 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L550" class="LineNr">550 </span><span class="Delimiter">}</span>
<span id="L551" class="LineNr">551 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
<span id="L552" class="LineNr">552 </span><span class="Normal">case</span> RELOAD: <span class="Delimiter">{</span>
<span id="L553" class="LineNr">553 </span>  restore_non_recipe_snapshots<span class="Delimiter">();</span>
<span id="L554" class="LineNr">554 </span>  string code = <a href='038new_text.cc.html#L141'>read_mu_text</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span>
<span id="L555" class="LineNr">555 </span>  <a href='101run_sandboxed.cc.html#L145'>run_code_begin</a><span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">should_stash_snapshots</span><span class="Comment">*/</span><span class="Constant">false</span><span class="Delimiter">);</span>
<span id="L556" class="LineNr">556 </span>  routine* save_current_routine = Current_routine<span class="Delimiter">;</span>
<span id="L557" class="LineNr">557 </span>  Current_routine = <span class="Constant">NULL</span><span class="Delimiter">;</span>
<span id="L558" class="LineNr">558 </span>  Sandbox_mode = <span class="Constant">true</span><span class="Delimiter">;</span>
<span id="L559" class="LineNr">559 </span>  vector&lt;recipe_ordinal&gt; recipes_reloaded = load<span class="Delimiter">(</span>code<span class="Delimiter">);</span>
<span id="L560" class="LineNr">560 </span>  <a href='012transform.cc.html#L46'>transform_all</a><span class="Delimiter">();</span>
<span id="L561" class="LineNr">561 </span>  Trace_stream<span class="Delimiter">-&gt;</span><a href='003trace.cc.html#L133'>newline</a><span class="Delimiter">();</span>  <span class="Comment">// flush trace</span>
<span id="L562" class="LineNr">562 </span>  Sandbox_mode = <span class="Constant">false</span><span class="Delimiter">;</span>
<span id="L563" class="LineNr">563 </span>  Current_routine = save_current_routine<span class="Delimiter">;</span>
<span id="L564" class="LineNr">564 </span>  products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
<span id="L565" class="LineNr">565 </span>  products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><a href='101run_sandboxed.cc.html#L495'>trace_error_contents</a><span class="Delimiter">());</span>
<span id="L566" class="LineNr">566 </span>  <a href='101run_sandboxed.cc.html#L158'>run_code_end</a><span class="Delimiter">();</span>  <span class="Comment">// wait until we're done with the trace contents</span>
<span id="L567" class="LineNr">567 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L568" class="LineNr">568 </span><span class="Delimiter">}</span>
<span id="L569" class="LineNr">569 </span>
<span id="L570" class="LineNr">570 </span><span class="Delimiter">:(scenario reload_continues_past_error)</span>
<span id="L571" class="LineNr">571 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L572" class="LineNr">572 </span>  local-scope
<span id="L573" class="LineNr">573 </span>  <span class="Normal">x</span>:text<span class="Special"> &lt;- </span><span class="Normal">new</span> [recipe foo [
<span id="L574" class="LineNr">574 </span>  get <span class="Constant">1234</span>:num<span class="Delimiter">,</span> <span class="Constant">foo:offset</span>
<span id="L575" class="LineNr">575 </span>]]
<span id="L576" class="LineNr">576 </span>  reload x
<span id="L577" class="LineNr">577 </span>  <span class="Constant">1</span>:num/<span class="Special">raw &lt;- </span>copy <span class="Constant">34</span>
<span id="L578" class="LineNr">578 </span>]
<span id="L579" class="LineNr">579 </span><span class="traceContains">+mem: storing 34 in location 1</span>
<span id="L580" class="LineNr">580 </span>
<span id="L581" class="LineNr">581 </span><span class="Delimiter">:(scenario reload_can_repeatedly_load_container_definitions)</span>
<span id="L582" class="LineNr">582 </span><span class="Comment"># define a container and try to create it (merge requires knowing container size)</span>
<span id="L583" class="LineNr">583 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L584" class="LineNr">584 </span>  local-scope
<span id="L585" class="LineNr">585 </span>  <span class="Normal">x</span>:text<span class="Special"> &lt;- </span><span class="Normal">new</span> [
<span id="L586" class="LineNr">586 </span>    container foo [
<span id="L587" class="LineNr">587 </span>      <span class="Normal">x</span>:num
<span id="L588" class="LineNr">588 </span>      <span class="Normal">y</span>:num
<span id="L589" class="LineNr">589 </span>    ]
<span id="L590" class="LineNr">590 </span>    <a href='010vm.cc.html#L19'>recipe</a> bar [
<span id="L591" class="LineNr">591 </span>      local-scope
<span id="L592" class="LineNr">592 </span>      <span class="Normal">x</span>:foo<span class="Special"> &lt;- </span>merge <span class="Constant">34</span><span class="Delimiter">,</span> <span class="Constant">35</span>
<span id="L593" class="LineNr">593 </span>    ]
<span id="L594" class="LineNr">594 </span>  ]
<span id="L595" class="LineNr">595 </span>  <span class="Comment"># save warning addresses in locations of type 'number' to avoid spurious changes to them due to 'abandon'</span>
<span id="L596" class="LineNr">596 </span>  <span class="Constant">1</span>:num/<span class="Special">raw &lt;- </span>reload x
<span id="L597" class="LineNr">597 </span>  <span class="Constant">2</span>:num/<span class="Special">raw &lt;- </span>reload x
<span id="L598" class="LineNr">598 </span>]
<span id="L599" class="LineNr">599 </span><span class="Comment"># no errors on either load</span>
<span id="L600" class="LineNr">600 </span><span class="traceContains">+mem: storing 0 in location 1</span>
<span id="L601" class="LineNr">601 </span><span class="traceContains">+mem: storing 0 in location 2</span>
</pre>
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