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authorKartik K. Agaram <vc@akkartik.com>2017-03-20 18:03:21 -0700
committerKartik K. Agaram <vc@akkartik.com>2017-03-20 18:03:21 -0700
commitd35595fd7d8244c51cfbaf357f1d4214ca7bfeda (patch)
tree94626e8fb2797032ea4287c81f1219a598fb9eb0
parent60f2ec5148ef494beee5d0cfd6d41f3967e7f66b (diff)
downloadmu-d35595fd7d8244c51cfbaf357f1d4214ca7bfeda.tar.gz
3805
-rw-r--r--101run_sandboxed.cc48
-rw-r--r--html/101run_sandboxed.cc.html450
2 files changed, 291 insertions, 207 deletions
diff --git a/101run_sandboxed.cc b/101run_sandboxed.cc
index b048b321..1904942f 100644
--- a/101run_sandboxed.cc
+++ b/101run_sandboxed.cc
@@ -350,6 +350,42 @@ def foo [
 # no product should have been tracked
 +mem: storing 0 in location 10
 
+:(scenario "run_interactive_ignores_products_in_previous_instructions")
+def main [
+  1:text <- new [
+    add 1, 1  # generates a product
+    foo]  # no products
+  2:text <- run-sandboxed 1:text
+  10:@:char <- copy *2:text
+]
+def foo [
+  20:num <- copy 1234
+  {
+    break
+    reply 5678
+  }
+]
+# no product should have been tracked
++mem: storing 0 in location 10
+
+:(scenario "run_interactive_remembers_products_before_final_label")
+def main [
+  1:text <- new [
+    add 1, 1  # generates a product
+    +foo]  # no products
+  2:text <- run-sandboxed 1:text
+  10:@:char <- copy *2:text
+]
+def foo [
+  20:num <- copy 1234
+  {
+    break
+    reply 5678
+  }
+]
+# product tracked
++mem: storing 50 in location 11
+
 :(scenario "run_interactive_returns_text")
 def main [
   # try to interactively add 2 and 2
@@ -391,12 +427,18 @@ b:num <- copy 0
 # no errors
 +mem: storing 0 in location 3
 
+:(after "Running One Instruction")
+if (Track_most_recent_products && SIZE(Current_routine->calls) == Call_depth_to_track_most_recent_products_at
+    && !current_instruction().is_label
+    && current_instruction().name != "$stop-tracking-products") {
+  Most_recent_products = "";
+}
 :(before "End Running One Instruction")
 if (Track_most_recent_products && SIZE(Current_routine->calls) == Call_depth_to_track_most_recent_products_at) {
-  track_most_recent_products(current_instruction(), products);
+  Most_recent_products = track_most_recent_products(current_instruction(), products);
 }
 :(code)
-void track_most_recent_products(const instruction& instruction, const vector<vector<double> >& products) {
+string track_most_recent_products(const instruction& instruction, const vector<vector<double> >& products) {
   ostringstream out;
   for (int i = 0; i < SIZE(products); ++i) {
     // A sandbox can print a string result, but only if it is actually saved
@@ -420,7 +462,7 @@ void track_most_recent_products(const instruction& instruction, const vector<vec
       out << no_scientific(products.at(i).at(j)) << ' ';
     out << '\n';
   }
-  Most_recent_products = out.str();
+  return out.str();
 }
 
 :(code)
diff --git a/html/101run_sandboxed.cc.html b/html/101run_sandboxed.cc.html
index 8c3b1f54..e53b6fba 100644
--- a/html/101run_sandboxed.cc.html
+++ b/html/101run_sandboxed.cc.html
@@ -120,9 +120,9 @@ if ('onhashchange' in window) {
 <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>  <span class="Conceal">¦</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>  <span class="Conceal">¦</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>  <span class="Conceal">¦</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#L448'>trace_error_contents</a><span class="Delimiter">());</span>
+<span id="L59" class="LineNr"> 59 </span>  <span class="Conceal">¦</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#L490'>trace_error_contents</a><span class="Delimiter">());</span>
 <span id="L60" class="LineNr"> 60 </span>  <span class="Conceal">¦</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>  <span class="Conceal">¦</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#L462'>trace_app_contents</a><span class="Delimiter">());</span>
+<span id="L61" class="LineNr"> 61 </span>  <span class="Conceal">¦</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#L504'>trace_app_contents</a><span class="Delimiter">());</span>
 <span id="L62" class="LineNr"> 62 </span>  <span class="Conceal">¦</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>  <span class="Conceal">¦</span> <a href='101run_sandboxed.cc.html#L155'>run_code_end</a><span class="Delimiter">();</span>
 <span id="L64" class="LineNr"> 64 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>  <span class="Comment">// done with this instruction</span>
@@ -161,7 +161,7 @@ if ('onhashchange' in window) {
 <span id="L97" class="LineNr"> 97 </span>  <span class="Conceal">¦</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>  <span class="Conceal">¦</span> <span class="Conceal">¦</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#L355'>trim</a><span class="Delimiter">(</span><a href='101run_sandboxed.cc.html#L427'>strip_comments</a><span class="Delimiter">(</span><a href='038new_text.cc.html#L143'>read_mu_text</a><span class="Delimiter">(</span><a href='043space.cc.html#L76'>address</a><span class="Delimiter">)));</span>
+<span id="L100" class="LineNr">100 </span>  string command = <a href='003trace.cc.html#L355'>trim</a><span class="Delimiter">(</span><a href='101run_sandboxed.cc.html#L469'>strip_comments</a><span class="Delimiter">(</span><a href='038new_text.cc.html#L143'>read_mu_text</a><span class="Delimiter">(</span><a href='043space.cc.html#L76'>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#L144'>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>
@@ -355,7 +355,7 @@ if ('onhashchange' in window) {
 <span id="L291" class="LineNr">291 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
 <span id="L292" class="LineNr">292 </span><span class="Normal">case</span> SAVE_ERRORS: <span class="Delimiter">{</span>
 <span id="L293" class="LineNr">293 </span>  products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
-<span id="L294" class="LineNr">294 </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#L448'>trace_error_contents</a><span class="Delimiter">());</span>
+<span id="L294" class="LineNr">294 </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#L490'>trace_error_contents</a><span class="Delimiter">());</span>
 <span id="L295" class="LineNr">295 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L296" class="LineNr">296 </span><span class="Delimiter">}</span>
 <span id="L297" class="LineNr">297 </span>
@@ -370,7 +370,7 @@ if ('onhashchange' in window) {
 <span id="L306" class="LineNr">306 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
 <span id="L307" class="LineNr">307 </span><span class="Normal">case</span> SAVE_APP_TRACE: <span class="Delimiter">{</span>
 <span id="L308" class="LineNr">308 </span>  products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
-<span id="L309" class="LineNr">309 </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#L462'>trace_app_contents</a><span class="Delimiter">());</span>
+<span id="L309" class="LineNr">309 </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#L504'>trace_app_contents</a><span class="Delimiter">());</span>
 <span id="L310" class="LineNr">310 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L311" class="LineNr">311 </span><span class="Delimiter">}</span>
 <span id="L312" class="LineNr">312 </span>
@@ -414,208 +414,250 @@ if ('onhashchange' in window) {
 <span id="L350" class="LineNr">350 </span><span class="Comment"># no product should have been tracked</span>
 <span id="L351" class="LineNr">351 </span><span class="traceContains">+mem: storing 0 in location 10</span>
 <span id="L352" class="LineNr">352 </span>
-<span id="L353" class="LineNr">353 </span><span class="Delimiter">:(scenario &quot;run_interactive_returns_text&quot;)</span>
+<span id="L353" class="LineNr">353 </span><span class="Delimiter">:(scenario &quot;run_interactive_ignores_products_in_previous_instructions&quot;)</span>
 <span id="L354" class="LineNr">354 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L355" class="LineNr">355 </span>  <span class="Comment"># try to interactively add 2 and 2</span>
-<span id="L356" class="LineNr">356 </span>  <span class="Constant">1</span>:text<span class="Special"> &lt;- </span><span class="Normal">new</span> [
-<span id="L357" class="LineNr">357 </span>  <span class="Conceal">¦</span> <span class="Normal">x</span>:text<span class="Special"> &lt;- </span><span class="Normal">new</span> [a]
-<span id="L358" class="LineNr">358 </span>  <span class="Conceal">¦</span> <span class="Normal">y</span>:text<span class="Special"> &lt;- </span><span class="Normal">new</span> [b]
-<span id="L359" class="LineNr">359 </span>  <span class="Conceal">¦</span> <span class="Normal">z</span>:text<span class="Special"> &lt;- </span>append x:text<span class="Delimiter">,</span> y:text
-<span id="L360" class="LineNr">360 </span>  ]
-<span id="L361" class="LineNr">361 </span>  <span class="Constant">2</span>:text<span class="Special"> &lt;- </span>run-sandboxed <span class="Constant">1</span>:text
-<span id="L362" class="LineNr">362 </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="L363" class="LineNr">363 </span>]
-<span id="L364" class="LineNr">364 </span><span class="Comment"># output contains &quot;ab&quot;</span>
-<span id="L365" class="LineNr">365 </span><span class="traceContains">+mem: storing 97 in location 11</span>
-<span id="L366" class="LineNr">366 </span><span class="traceContains">+mem: storing 98 in location 12</span>
-<span id="L367" class="LineNr">367 </span>
-<span id="L368" class="LineNr">368 </span><span class="Delimiter">:(scenario &quot;run_interactive_returns_errors&quot;)</span>
-<span id="L369" class="LineNr">369 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L370" class="LineNr">370 </span>  <span class="Comment"># run a command that generates an error</span>
-<span id="L371" class="LineNr">371 </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="L372" class="LineNr">372 </span>get x:num<span class="Delimiter">,</span> <span class="Constant">foo:offset</span>]
-<span id="L373" class="LineNr">373 </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="L374" class="LineNr">374 </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="L375" class="LineNr">375 </span>]
-<span id="L376" class="LineNr">376 </span><span class="Comment"># error should be &quot;unknown element foo in container number&quot;</span>
-<span id="L377" class="LineNr">377 </span><span class="traceContains">+mem: storing 117 in location 11</span>
-<span id="L378" class="LineNr">378 </span><span class="traceContains">+mem: storing 110 in location 12</span>
-<span id="L379" class="LineNr">379 </span><span class="traceContains">+mem: storing 107 in location 13</span>
-<span id="L380" class="LineNr">380 </span><span class="traceContains">+mem: storing 110 in location 14</span>
-<span id="L381" class="LineNr">381 </span><span class="Comment"># ...</span>
-<span id="L382" class="LineNr">382 </span>
-<span id="L383" class="LineNr">383 </span><span class="Delimiter">:(scenario run_interactive_with_comment)</span>
-<span id="L384" class="LineNr">384 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L385" class="LineNr">385 </span>  <span class="Comment"># 2 instructions, with a comment after the first</span>
-<span id="L386" class="LineNr">386 </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="L387" class="LineNr">387 </span><span class="Normal">b</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
-<span id="L388" class="LineNr">388 </span>]
-<span id="L389" class="LineNr">389 </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="L390" class="LineNr">390 </span>]
-<span id="L391" class="LineNr">391 </span><span class="Comment"># no errors</span>
-<span id="L392" class="LineNr">392 </span><span class="traceContains">+mem: storing 0 in location 3</span>
-<span id="L393" class="LineNr">393 </span>
-<span id="L394" class="LineNr">394 </span><span class="Delimiter">:(before &quot;End Running One Instruction&quot;)</span>
-<span id="L395" class="LineNr">395 </span><span class="Normal">if</span> <span class="Delimiter">(</span>Track_most_recent_products &amp;&amp; <a href='001help.cc.html#L138'>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="L396" class="LineNr">396 </span>  <a href='101run_sandboxed.cc.html#L399'>track_most_recent_products</a><span class="Delimiter">(</span>current_instruction<span class="Delimiter">(),</span> products<span class="Delimiter">);</span>
-<span id="L397" class="LineNr">397 </span><span class="Delimiter">}</span>
-<span id="L398" class="LineNr">398 </span><span class="Delimiter">:(code)</span>
-<span id="L399" class="LineNr">399 </span><span class="Normal">void</span> <a href='101run_sandboxed.cc.html#L399'>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="L400" class="LineNr">400 </span>  ostringstream out<span class="Delimiter">;</span>
-<span id="L401" class="LineNr">401 </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#L138'>SIZE</a><span class="Delimiter">(</span>products<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L402" class="LineNr">402 </span>  <span class="Conceal">¦</span> <span class="Comment">// A sandbox can print a string result, but only if it is actually saved</span>
-<span id="L403" class="LineNr">403 </span>  <span class="Conceal">¦</span> <span class="Comment">// to a variable in the sandbox, because otherwise the results are</span>
-<span id="L404" class="LineNr">404 </span>  <span class="Conceal">¦</span> <span class="Comment">// reclaimed before the sandbox sees them. So you get these interactions</span>
-<span id="L405" class="LineNr">405 </span>  <span class="Conceal">¦</span> <span class="Comment">// in the sandbox:</span>
-<span id="L406" class="LineNr">406 </span>  <span class="Conceal">¦</span> <span class="Comment">//</span>
-<span id="L407" class="LineNr">407 </span>  <span class="Conceal">¦</span> <span class="Comment">//    new [abc]</span>
-<span id="L408" class="LineNr">408 </span>  <span class="Conceal">¦</span> <span class="Comment">//    =&gt; &lt;address&gt;</span>
-<span id="L409" class="LineNr">409 </span>  <span class="Conceal">¦</span> <span class="Comment">//</span>
-<span id="L410" class="LineNr">410 </span>  <span class="Conceal">¦</span> <span class="Comment">//    x:text &lt;- new [abc]</span>
-<span id="L411" class="LineNr">411 </span>  <span class="Conceal">¦</span> <span class="Comment">//    =&gt; abc</span>
-<span id="L412" class="LineNr">412 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>i &lt; <a href='001help.cc.html#L138'>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="L413" class="LineNr">413 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='027call_ingredient.cc.html#L174'>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="L414" class="LineNr">414 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</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="L415" class="LineNr">415 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> out &lt;&lt; <a href='038new_text.cc.html#L143'>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="L416" class="LineNr">416 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
-<span id="L417" class="LineNr">417 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
-<span id="L418" class="LineNr">418 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
-<span id="L419" class="LineNr">419 </span>  <span class="Conceal">¦</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#L138'>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="L420" class="LineNr">420 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</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="L421" class="LineNr">421 </span>  <span class="Conceal">¦</span> out &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
-<span id="L422" class="LineNr">422 </span>  <span class="Delimiter">}</span>
-<span id="L423" class="LineNr">423 </span>  Most_recent_products = out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
-<span id="L424" class="LineNr">424 </span><span class="Delimiter">}</span>
-<span id="L425" class="LineNr">425 </span>
-<span id="L426" class="LineNr">426 </span><span class="Delimiter">:(code)</span>
-<span id="L427" class="LineNr">427 </span>string <a href='101run_sandboxed.cc.html#L427'>strip_comments</a><span class="Delimiter">(</span>string in<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L428" class="LineNr">428 </span>  ostringstream result<span class="Delimiter">;</span>
-<span id="L429" class="LineNr">429 </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#L138'>SIZE</a><span class="Delimiter">(</span>in<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L430" class="LineNr">430 </span>  <span class="Conceal">¦</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="L431" class="LineNr">431 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> result &lt;&lt; in<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
-<span id="L432" class="LineNr">432 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
-<span id="L433" class="LineNr">433 </span>  <span class="Conceal">¦</span> <span class="Normal">else</span> <span class="Delimiter">{</span>
-<span id="L434" class="LineNr">434 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">while</span> <span class="Delimiter">(</span>i+<span class="Constant">1</span> &lt; <a href='001help.cc.html#L138'>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="L435" class="LineNr">435 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> ++i<span class="Delimiter">;</span>
-<span id="L436" class="LineNr">436 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
-<span id="L437" class="LineNr">437 </span>  <span class="Delimiter">}</span>
-<span id="L438" class="LineNr">438 </span>  <span class="Identifier">return</span> result<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
+<span id="L355" class="LineNr">355 </span>  <span class="Constant">1</span>:text<span class="Special"> &lt;- </span><span class="Normal">new</span> [
+<span id="L356" class="LineNr">356 </span>  <span class="Conceal">¦</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="L357" class="LineNr">357 </span>  <span class="Conceal">¦</span> foo]  <span class="Comment"># no products</span>
+<span id="L358" class="LineNr">358 </span>  <span class="Constant">2</span>:text<span class="Special"> &lt;- </span>run-sandboxed <span class="Constant">1</span>:text
+<span id="L359" class="LineNr">359 </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="L360" class="LineNr">360 </span>]
+<span id="L361" class="LineNr">361 </span><span class="muRecipe">def</span> foo [
+<span id="L362" class="LineNr">362 </span>  <span class="Constant">20</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">1234</span>
+<span id="L363" class="LineNr">363 </span>  <span class="Delimiter">{</span>
+<span id="L364" class="LineNr">364 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span>
+<span id="L365" class="LineNr">365 </span>  <span class="Conceal">¦</span> reply <span class="Constant">5678</span>
+<span id="L366" class="LineNr">366 </span>  <span class="Delimiter">}</span>
+<span id="L367" class="LineNr">367 </span>]
+<span id="L368" class="LineNr">368 </span><span class="Comment"># no product should have been tracked</span>
+<span id="L369" class="LineNr">369 </span><span class="traceContains">+mem: storing 0 in location 10</span>
+<span id="L370" class="LineNr">370 </span>
+<span id="L371" class="LineNr">371 </span><span class="Delimiter">:(scenario &quot;run_interactive_remembers_products_before_final_label&quot;)</span>
+<span id="L372" class="LineNr">372 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L373" class="LineNr">373 </span>  <span class="Constant">1</span>:text<span class="Special"> &lt;- </span><span class="Normal">new</span> [
+<span id="L374" class="LineNr">374 </span>  <span class="Conceal">¦</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="L375" class="LineNr">375 </span>  <span class="Conceal">¦</span> +foo]  <span class="Comment"># no products</span>
+<span id="L376" class="LineNr">376 </span>  <span class="Constant">2</span>:text<span class="Special"> &lt;- </span>run-sandboxed <span class="Constant">1</span>:text
+<span id="L377" class="LineNr">377 </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="L378" class="LineNr">378 </span>]
+<span id="L379" class="LineNr">379 </span><span class="muRecipe">def</span> foo [
+<span id="L380" class="LineNr">380 </span>  <span class="Constant">20</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">1234</span>
+<span id="L381" class="LineNr">381 </span>  <span class="Delimiter">{</span>
+<span id="L382" class="LineNr">382 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span>
+<span id="L383" class="LineNr">383 </span>  <span class="Conceal">¦</span> reply <span class="Constant">5678</span>
+<span id="L384" class="LineNr">384 </span>  <span class="Delimiter">}</span>
+<span id="L385" class="LineNr">385 </span>]
+<span id="L386" class="LineNr">386 </span><span class="Comment"># product tracked</span>
+<span id="L387" class="LineNr">387 </span><span class="traceContains">+mem: storing 50 in location 11</span>
+<span id="L388" class="LineNr">388 </span>
+<span id="L389" class="LineNr">389 </span><span class="Delimiter">:(scenario &quot;run_interactive_returns_text&quot;)</span>
+<span id="L390" class="LineNr">390 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L391" class="LineNr">391 </span>  <span class="Comment"># try to interactively add 2 and 2</span>
+<span id="L392" class="LineNr">392 </span>  <span class="Constant">1</span>:text<span class="Special"> &lt;- </span><span class="Normal">new</span> [
+<span id="L393" class="LineNr">393 </span>  <span class="Conceal">¦</span> <span class="Normal">x</span>:text<span class="Special"> &lt;- </span><span class="Normal">new</span> [a]
+<span id="L394" class="LineNr">394 </span>  <span class="Conceal">¦</span> <span class="Normal">y</span>:text<span class="Special"> &lt;- </span><span class="Normal">new</span> [b]
+<span id="L395" class="LineNr">395 </span>  <span class="Conceal">¦</span> <span class="Normal">z</span>:text<span class="Special"> &lt;- </span>append x:text<span class="Delimiter">,</span> y:text
+<span id="L396" class="LineNr">396 </span>  ]
+<span id="L397" class="LineNr">397 </span>  <span class="Constant">2</span>:text<span class="Special"> &lt;- </span>run-sandboxed <span class="Constant">1</span>:text
+<span id="L398" class="LineNr">398 </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="L399" class="LineNr">399 </span>]
+<span id="L400" class="LineNr">400 </span><span class="Comment"># output contains &quot;ab&quot;</span>
+<span id="L401" class="LineNr">401 </span><span class="traceContains">+mem: storing 97 in location 11</span>
+<span id="L402" class="LineNr">402 </span><span class="traceContains">+mem: storing 98 in location 12</span>
+<span id="L403" class="LineNr">403 </span>
+<span id="L404" class="LineNr">404 </span><span class="Delimiter">:(scenario &quot;run_interactive_returns_errors&quot;)</span>
+<span id="L405" class="LineNr">405 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L406" class="LineNr">406 </span>  <span class="Comment"># run a command that generates an error</span>
+<span id="L407" class="LineNr">407 </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="L408" class="LineNr">408 </span>get x:num<span class="Delimiter">,</span> <span class="Constant">foo:offset</span>]
+<span id="L409" class="LineNr">409 </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="L410" class="LineNr">410 </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="L411" class="LineNr">411 </span>]
+<span id="L412" class="LineNr">412 </span><span class="Comment"># error should be &quot;unknown element foo in container number&quot;</span>
+<span id="L413" class="LineNr">413 </span><span class="traceContains">+mem: storing 117 in location 11</span>
+<span id="L414" class="LineNr">414 </span><span class="traceContains">+mem: storing 110 in location 12</span>
+<span id="L415" class="LineNr">415 </span><span class="traceContains">+mem: storing 107 in location 13</span>
+<span id="L416" class="LineNr">416 </span><span class="traceContains">+mem: storing 110 in location 14</span>
+<span id="L417" class="LineNr">417 </span><span class="Comment"># ...</span>
+<span id="L418" class="LineNr">418 </span>
+<span id="L419" class="LineNr">419 </span><span class="Delimiter">:(scenario run_interactive_with_comment)</span>
+<span id="L420" class="LineNr">420 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L421" class="LineNr">421 </span>  <span class="Comment"># 2 instructions, with a comment after the first</span>
+<span id="L422" class="LineNr">422 </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="L423" class="LineNr">423 </span><span class="Normal">b</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
+<span id="L424" class="LineNr">424 </span>]
+<span id="L425" class="LineNr">425 </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="L426" class="LineNr">426 </span>]
+<span id="L427" class="LineNr">427 </span><span class="Comment"># no errors</span>
+<span id="L428" class="LineNr">428 </span><span class="traceContains">+mem: storing 0 in location 3</span>
+<span id="L429" class="LineNr">429 </span>
+<span id="L430" class="LineNr">430 </span><span class="Delimiter">:(after &quot;Running One Instruction&quot;)</span>
+<span id="L431" class="LineNr">431 </span><span class="Normal">if</span> <span class="Delimiter">(</span>Track_most_recent_products &amp;&amp; <a href='001help.cc.html#L138'>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="L432" class="LineNr">432 </span>  <span class="Conceal">¦</span> &amp;&amp; !current_instruction<span class="Delimiter">().</span>is_label
+<span id="L433" class="LineNr">433 </span>  <span class="Conceal">¦</span> &amp;&amp; current_instruction<span class="Delimiter">().</span>name != <span class="Constant">&quot;$stop-tracking-products&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L434" class="LineNr">434 </span>  Most_recent_products = <span class="Constant">&quot;&quot;</span><span class="Delimiter">;</span>
+<span id="L435" class="LineNr">435 </span><span class="Delimiter">}</span>
+<span id="L436" class="LineNr">436 </span><span class="Delimiter">:(before &quot;End Running One Instruction&quot;)</span>
+<span id="L437" class="LineNr">437 </span><span class="Normal">if</span> <span class="Delimiter">(</span>Track_most_recent_products &amp;&amp; <a href='001help.cc.html#L138'>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="L438" class="LineNr">438 </span>  Most_recent_products = <a href='101run_sandboxed.cc.html#L441'>track_most_recent_products</a><span class="Delimiter">(</span>current_instruction<span class="Delimiter">(),</span> products<span class="Delimiter">);</span>
 <span id="L439" class="LineNr">439 </span><span class="Delimiter">}</span>
-<span id="L440" class="LineNr">440 </span>
-<span id="L441" class="LineNr">441 </span><span class="Normal">int</span> <a href='101run_sandboxed.cc.html#L441'>stringified_value_of_location</a><span class="Delimiter">(</span><span class="Normal">int</span> <a href='043space.cc.html#L76'>address</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L442" class="LineNr">442 </span>  <span class="Comment">// convert to string</span>
-<span id="L443" class="LineNr">443 </span>  ostringstream out<span class="Delimiter">;</span>
-<span id="L444" class="LineNr">444 </span>  out &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <a href='043space.cc.html#L76'>address</a><span class="Delimiter">));</span>
-<span id="L445" class="LineNr">445 </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="L446" class="LineNr">446 </span><span class="Delimiter">}</span>
-<span id="L447" class="LineNr">447 </span>
-<span id="L448" class="LineNr">448 </span><span class="Normal">int</span> <a href='101run_sandboxed.cc.html#L448'>trace_error_contents</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L449" class="LineNr">449 </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="L450" class="LineNr">450 </span>  ostringstream out<span class="Delimiter">;</span>
-<span id="L451" class="LineNr">451 </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#L185'>end</a><span class="Delimiter">();</span> ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L452" class="LineNr">452 </span>  <span class="Conceal">¦</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="L453" class="LineNr">453 </span>  <span class="Conceal">¦</span> out &lt;&lt; p<span class="Delimiter">-&gt;</span>contents<span class="Delimiter">;</span>
-<span id="L454" class="LineNr">454 </span>  <span class="Conceal">¦</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#L185'>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="L455" class="LineNr">455 </span>  <span class="Delimiter">}</span>
-<span id="L456" class="LineNr">456 </span>  string result = out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
-<span id="L457" class="LineNr">457 </span>  <a href='101run_sandboxed.cc.html#L476'>truncate</a><span class="Delimiter">(</span>result<span class="Delimiter">);</span>
-<span id="L458" class="LineNr">458 </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="L459" class="LineNr">459 </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="L460" class="LineNr">460 </span><span class="Delimiter">}</span>
-<span id="L461" class="LineNr">461 </span>
-<span id="L462" class="LineNr">462 </span><span class="Normal">int</span> <a href='101run_sandboxed.cc.html#L462'>trace_app_contents</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L463" class="LineNr">463 </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="L464" class="LineNr">464 </span>  ostringstream out<span class="Delimiter">;</span>
-<span id="L465" class="LineNr">465 </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#L185'>end</a><span class="Delimiter">();</span> ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L466" class="LineNr">466 </span>  <span class="Conceal">¦</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="L467" class="LineNr">467 </span>  <span class="Conceal">¦</span> out &lt;&lt; p<span class="Delimiter">-&gt;</span>contents<span class="Delimiter">;</span>
-<span id="L468" class="LineNr">468 </span>  <span class="Conceal">¦</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#L185'>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="L469" class="LineNr">469 </span>  <span class="Delimiter">}</span>
-<span id="L470" class="LineNr">470 </span>  string result = out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
-<span id="L471" class="LineNr">471 </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="L472" class="LineNr">472 </span>  <a href='101run_sandboxed.cc.html#L476'>truncate</a><span class="Delimiter">(</span>result<span class="Delimiter">);</span>
-<span id="L473" class="LineNr">473 </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="L474" class="LineNr">474 </span><span class="Delimiter">}</span>
-<span id="L475" class="LineNr">475 </span>
-<span id="L476" class="LineNr">476 </span><span class="Normal">void</span> <a href='101run_sandboxed.cc.html#L476'>truncate</a><span class="Delimiter">(</span>string&amp; x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L477" class="LineNr">477 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>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="L478" class="LineNr">478 </span>  <span class="Conceal">¦</span> x<span class="Delimiter">.</span>erase<span class="Delimiter">(</span><span class="Constant">1024</span><span class="Delimiter">);</span>
-<span id="L479" class="LineNr">479 </span>  <span class="Conceal">¦</span> *x<span class="Delimiter">.</span>rbegin<span class="Delimiter">()</span> = <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
-<span id="L480" class="LineNr">480 </span>  <span class="Conceal">¦</span> *++x<span class="Delimiter">.</span>rbegin<span class="Delimiter">()</span> = <span class="Constant">'.'</span><span class="Delimiter">;</span>
-<span id="L481" class="LineNr">481 </span>  <span class="Conceal">¦</span> *++++x<span class="Delimiter">.</span>rbegin<span class="Delimiter">()</span> = <span class="Constant">'.'</span><span class="Delimiter">;</span>
-<span id="L482" class="LineNr">482 </span>  <span class="Delimiter">}</span>
-<span id="L483" class="LineNr">483 </span><span class="Delimiter">}</span>
-<span id="L484" class="LineNr">484 </span>
-<span id="L485" class="LineNr">485 </span><span class="Comment">//: simpler version of run-sandboxed: doesn't do any running, just loads</span>
-<span id="L486" class="LineNr">486 </span><span class="Comment">//: recipes and reports errors.</span>
-<span id="L487" class="LineNr">487 </span>
-<span id="L488" class="LineNr">488 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
-<span id="L489" class="LineNr">489 </span>RELOAD<span class="Delimiter">,</span>
-<span id="L490" class="LineNr">490 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L491" class="LineNr">491 </span><a href='001help.cc.html#L218'>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="L492" class="LineNr">492 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
-<span id="L493" class="LineNr">493 </span><span class="Normal">case</span> RELOAD: <span class="Delimiter">{</span>
-<span id="L494" class="LineNr">494 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>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="L495" class="LineNr">495 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>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#L185'>end</a><span class="Delimiter">();</span>
-<span id="L496" class="LineNr">496 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L440" class="LineNr">440 </span><span class="Delimiter">:(code)</span>
+<span id="L441" class="LineNr">441 </span>string <a href='101run_sandboxed.cc.html#L441'>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="L442" class="LineNr">442 </span>  ostringstream out<span class="Delimiter">;</span>
+<span id="L443" class="LineNr">443 </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#L138'>SIZE</a><span class="Delimiter">(</span>products<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L444" class="LineNr">444 </span>  <span class="Conceal">¦</span> <span class="Comment">// A sandbox can print a string result, but only if it is actually saved</span>
+<span id="L445" class="LineNr">445 </span>  <span class="Conceal">¦</span> <span class="Comment">// to a variable in the sandbox, because otherwise the results are</span>
+<span id="L446" class="LineNr">446 </span>  <span class="Conceal">¦</span> <span class="Comment">// reclaimed before the sandbox sees them. So you get these interactions</span>
+<span id="L447" class="LineNr">447 </span>  <span class="Conceal">¦</span> <span class="Comment">// in the sandbox:</span>
+<span id="L448" class="LineNr">448 </span>  <span class="Conceal">¦</span> <span class="Comment">//</span>
+<span id="L449" class="LineNr">449 </span>  <span class="Conceal">¦</span> <span class="Comment">//    new [abc]</span>
+<span id="L450" class="LineNr">450 </span>  <span class="Conceal">¦</span> <span class="Comment">//    =&gt; &lt;address&gt;</span>
+<span id="L451" class="LineNr">451 </span>  <span class="Conceal">¦</span> <span class="Comment">//</span>
+<span id="L452" class="LineNr">452 </span>  <span class="Conceal">¦</span> <span class="Comment">//    x:text &lt;- new [abc]</span>
+<span id="L453" class="LineNr">453 </span>  <span class="Conceal">¦</span> <span class="Comment">//    =&gt; abc</span>
+<span id="L454" class="LineNr">454 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>i &lt; <a href='001help.cc.html#L138'>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="L455" class="LineNr">455 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='027call_ingredient.cc.html#L174'>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="L456" class="LineNr">456 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</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="L457" class="LineNr">457 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> out &lt;&lt; <a href='038new_text.cc.html#L143'>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="L458" class="LineNr">458 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
+<span id="L459" class="LineNr">459 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
+<span id="L460" class="LineNr">460 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
+<span id="L461" class="LineNr">461 </span>  <span class="Conceal">¦</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#L138'>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="L462" class="LineNr">462 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</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="L463" class="LineNr">463 </span>  <span class="Conceal">¦</span> out &lt;&lt; <span class="cSpecial">'\n'</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="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
+<span id="L466" class="LineNr">466 </span><span class="Delimiter">}</span>
+<span id="L467" class="LineNr">467 </span>
+<span id="L468" class="LineNr">468 </span><span class="Delimiter">:(code)</span>
+<span id="L469" class="LineNr">469 </span>string <a href='101run_sandboxed.cc.html#L469'>strip_comments</a><span class="Delimiter">(</span>string in<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L470" class="LineNr">470 </span>  ostringstream result<span class="Delimiter">;</span>
+<span id="L471" class="LineNr">471 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>in<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L472" class="LineNr">472 </span>  <span class="Conceal">¦</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="L473" class="LineNr">473 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> result &lt;&lt; in<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
+<span id="L474" class="LineNr">474 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
+<span id="L475" class="LineNr">475 </span>  <span class="Conceal">¦</span> <span class="Normal">else</span> <span class="Delimiter">{</span>
+<span id="L476" class="LineNr">476 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">while</span> <span class="Delimiter">(</span>i+<span class="Constant">1</span> &lt; <a href='001help.cc.html#L138'>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="L477" class="LineNr">477 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> ++i<span class="Delimiter">;</span>
+<span id="L478" class="LineNr">478 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
+<span id="L479" class="LineNr">479 </span>  <span class="Delimiter">}</span>
+<span id="L480" class="LineNr">480 </span>  <span class="Identifier">return</span> result<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
+<span id="L481" class="LineNr">481 </span><span class="Delimiter">}</span>
+<span id="L482" class="LineNr">482 </span>
+<span id="L483" class="LineNr">483 </span><span class="Normal">int</span> <a href='101run_sandboxed.cc.html#L483'>stringified_value_of_location</a><span class="Delimiter">(</span><span class="Normal">int</span> <a href='043space.cc.html#L76'>address</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L484" class="LineNr">484 </span>  <span class="Comment">// convert to string</span>
+<span id="L485" class="LineNr">485 </span>  ostringstream out<span class="Delimiter">;</span>
+<span id="L486" class="LineNr">486 </span>  out &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <a href='043space.cc.html#L76'>address</a><span class="Delimiter">));</span>
+<span id="L487" class="LineNr">487 </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="L488" class="LineNr">488 </span><span class="Delimiter">}</span>
+<span id="L489" class="LineNr">489 </span>
+<span id="L490" class="LineNr">490 </span><span class="Normal">int</span> <a href='101run_sandboxed.cc.html#L490'>trace_error_contents</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
+<span id="L491" class="LineNr">491 </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="L492" class="LineNr">492 </span>  ostringstream out<span class="Delimiter">;</span>
+<span id="L493" class="LineNr">493 </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#L185'>end</a><span class="Delimiter">();</span> ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L494" class="LineNr">494 </span>  <span class="Conceal">¦</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="L495" class="LineNr">495 </span>  <span class="Conceal">¦</span> out &lt;&lt; p<span class="Delimiter">-&gt;</span>contents<span class="Delimiter">;</span>
+<span id="L496" class="LineNr">496 </span>  <span class="Conceal">¦</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#L185'>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="L497" class="LineNr">497 </span>  <span class="Delimiter">}</span>
-<span id="L498" class="LineNr">498 </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="L499" class="LineNr">499 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>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#L185'>end</a><span class="Delimiter">();</span>
-<span id="L500" class="LineNr">500 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L501" class="LineNr">501 </span>  <span class="Delimiter">}</span>
-<span id="L502" class="LineNr">502 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L503" class="LineNr">503 </span><span class="Delimiter">}</span>
-<span id="L504" class="LineNr">504 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
-<span id="L505" class="LineNr">505 </span><span class="Normal">case</span> RELOAD: <span class="Delimiter">{</span>
-<span id="L506" class="LineNr">506 </span>  restore_non_recipe_snapshots<span class="Delimiter">();</span>
-<span id="L507" class="LineNr">507 </span>  string code = <a href='038new_text.cc.html#L143'>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="L508" class="LineNr">508 </span>  <a href='101run_sandboxed.cc.html#L144'>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="L509" class="LineNr">509 </span>  routine* save_current_routine = Current_routine<span class="Delimiter">;</span>
-<span id="L510" class="LineNr">510 </span>  Current_routine = <span class="Constant">NULL</span><span class="Delimiter">;</span>
-<span id="L511" class="LineNr">511 </span>  Sandbox_mode = <span class="Constant">true</span><span class="Delimiter">;</span>
-<span id="L512" class="LineNr">512 </span>  vector&lt;recipe_ordinal&gt; recipes_reloaded = load<span class="Delimiter">(</span>code<span class="Delimiter">);</span>
-<span id="L513" class="LineNr">513 </span>  <a href='012transform.cc.html#L46'>transform_all</a><span class="Delimiter">();</span>
-<span id="L514" class="LineNr">514 </span>  Trace_stream<span class="Delimiter">-&gt;</span><a href='003trace.cc.html#L127'>newline</a><span class="Delimiter">();</span>  <span class="Comment">// flush trace</span>
-<span id="L515" class="LineNr">515 </span>  Sandbox_mode = <span class="Constant">false</span><span class="Delimiter">;</span>
-<span id="L516" class="LineNr">516 </span>  Current_routine = save_current_routine<span class="Delimiter">;</span>
-<span id="L517" class="LineNr">517 </span>  products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
-<span id="L518" class="LineNr">518 </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#L448'>trace_error_contents</a><span class="Delimiter">());</span>
-<span id="L519" class="LineNr">519 </span>  <a href='101run_sandboxed.cc.html#L155'>run_code_end</a><span class="Delimiter">();</span>  <span class="Comment">// wait until we're done with the trace contents</span>
-<span id="L520" class="LineNr">520 </span>  <span class="Identifier">break</span><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="Delimiter">:(scenario reload_continues_past_error)</span>
-<span id="L524" class="LineNr">524 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L525" class="LineNr">525 </span>  local-scope
-<span id="L526" class="LineNr">526 </span>  <span class="Normal">x</span>:text<span class="Special"> &lt;- </span><span class="Normal">new</span> [recipe foo [
-<span id="L527" class="LineNr">527 </span>  get <span class="Constant">1234</span>:num<span class="Delimiter">,</span> <span class="Constant">foo:offset</span>
-<span id="L528" class="LineNr">528 </span>]]
-<span id="L529" class="LineNr">529 </span>  reload x
-<span id="L530" class="LineNr">530 </span>  <span class="Constant">1</span>:num/<span class="Special">raw &lt;- </span>copy <span class="Constant">34</span>
-<span id="L531" class="LineNr">531 </span>]
-<span id="L532" class="LineNr">532 </span><span class="traceContains">+mem: storing 34 in location 1</span>
-<span id="L533" class="LineNr">533 </span>
-<span id="L534" class="LineNr">534 </span><span class="Delimiter">:(scenario reload_can_repeatedly_load_container_definitions)</span>
-<span id="L535" class="LineNr">535 </span><span class="Comment"># define a container and try to create it (merge requires knowing container size)</span>
-<span id="L536" class="LineNr">536 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L537" class="LineNr">537 </span>  local-scope
-<span id="L538" class="LineNr">538 </span>  <span class="Normal">x</span>:text<span class="Special"> &lt;- </span><span class="Normal">new</span> [
-<span id="L539" class="LineNr">539 </span>  <span class="Conceal">¦</span> container foo [
-<span id="L540" class="LineNr">540 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">x</span>:num
-<span id="L541" class="LineNr">541 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">y</span>:num
-<span id="L542" class="LineNr">542 </span>  <span class="Conceal">¦</span> ]
-<span id="L543" class="LineNr">543 </span>  <span class="Conceal">¦</span> <a href='010vm.cc.html#L19'>recipe</a> bar [
-<span id="L544" class="LineNr">544 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> local-scope
-<span id="L545" class="LineNr">545 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</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="L546" class="LineNr">546 </span>  <span class="Conceal">¦</span> ]
-<span id="L547" class="LineNr">547 </span>  ]
-<span id="L548" class="LineNr">548 </span>  <span class="Comment"># save warning addresses in locations of type 'number' to avoid spurious changes to them due to 'abandon'</span>
-<span id="L549" class="LineNr">549 </span>  <span class="Constant">1</span>:num/<span class="Special">raw &lt;- </span>reload x
-<span id="L550" class="LineNr">550 </span>  <span class="Constant">2</span>:num/<span class="Special">raw &lt;- </span>reload x
-<span id="L551" class="LineNr">551 </span>]
-<span id="L552" class="LineNr">552 </span><span class="Comment"># no errors on either load</span>
-<span id="L553" class="LineNr">553 </span><span class="traceContains">+mem: storing 0 in location 1</span>
-<span id="L554" class="LineNr">554 </span><span class="traceContains">+mem: storing 0 in location 2</span>
+<span id="L498" class="LineNr">498 </span>  string result = out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
+<span id="L499" class="LineNr">499 </span>  <a href='101run_sandboxed.cc.html#L518'>truncate</a><span class="Delimiter">(</span>result<span class="Delimiter">);</span>
+<span id="L500" class="LineNr">500 </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="L501" class="LineNr">501 </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="L502" class="LineNr">502 </span><span class="Delimiter">}</span>
+<span id="L503" class="LineNr">503 </span>
+<span id="L504" class="LineNr">504 </span><span class="Normal">int</span> <a href='101run_sandboxed.cc.html#L504'>trace_app_contents</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
+<span id="L505" class="LineNr">505 </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="L506" class="LineNr">506 </span>  ostringstream out<span class="Delimiter">;</span>
+<span id="L507" class="LineNr">507 </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#L185'>end</a><span class="Delimiter">();</span> ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L508" class="LineNr">508 </span>  <span class="Conceal">¦</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="L509" class="LineNr">509 </span>  <span class="Conceal">¦</span> out &lt;&lt; p<span class="Delimiter">-&gt;</span>contents<span class="Delimiter">;</span>
+<span id="L510" class="LineNr">510 </span>  <span class="Conceal">¦</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#L185'>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="L511" class="LineNr">511 </span>  <span class="Delimiter">}</span>
+<span id="L512" class="LineNr">512 </span>  string result = out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
+<span id="L513" class="LineNr">513 </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="L514" class="LineNr">514 </span>  <a href='101run_sandboxed.cc.html#L518'>truncate</a><span class="Delimiter">(</span>result<span class="Delimiter">);</span>
+<span id="L515" class="LineNr">515 </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="L516" class="LineNr">516 </span><span class="Delimiter">}</span>
+<span id="L517" class="LineNr">517 </span>
+<span id="L518" class="LineNr">518 </span><span class="Normal">void</span> <a href='101run_sandboxed.cc.html#L518'>truncate</a><span class="Delimiter">(</span>string&amp; x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L519" class="LineNr">519 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>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="L520" class="LineNr">520 </span>  <span class="Conceal">¦</span> x<span class="Delimiter">.</span>erase<span class="Delimiter">(</span><span class="Constant">1024</span><span class="Delimiter">);</span>
+<span id="L521" class="LineNr">521 </span>  <span class="Conceal">¦</span> *x<span class="Delimiter">.</span>rbegin<span class="Delimiter">()</span> = <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
+<span id="L522" class="LineNr">522 </span>  <span class="Conceal">¦</span> *++x<span class="Delimiter">.</span>rbegin<span class="Delimiter">()</span> = <span class="Constant">'.'</span><span class="Delimiter">;</span>
+<span id="L523" class="LineNr">523 </span>  <span class="Conceal">¦</span> *++++x<span class="Delimiter">.</span>rbegin<span class="Delimiter">()</span> = <span class="Constant">'.'</span><span class="Delimiter">;</span>
+<span id="L524" class="LineNr">524 </span>  <span class="Delimiter">}</span>
+<span id="L525" class="LineNr">525 </span><span class="Delimiter">}</span>
+<span id="L526" class="LineNr">526 </span>
+<span id="L527" class="LineNr">527 </span><span class="Comment">//: simpler version of run-sandboxed: doesn't do any running, just loads</span>
+<span id="L528" class="LineNr">528 </span><span class="Comment">//: recipes and reports errors.</span>
+<span id="L529" class="LineNr">529 </span>
+<span id="L530" class="LineNr">530 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
+<span id="L531" class="LineNr">531 </span>RELOAD<span class="Delimiter">,</span>
+<span id="L532" class="LineNr">532 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
+<span id="L533" class="LineNr">533 </span><a href='001help.cc.html#L218'>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="L534" class="LineNr">534 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
+<span id="L535" class="LineNr">535 </span><span class="Normal">case</span> RELOAD: <span class="Delimiter">{</span>
+<span id="L536" class="LineNr">536 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>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="L537" class="LineNr">537 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>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#L185'>end</a><span class="Delimiter">();</span>
+<span id="L538" class="LineNr">538 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L539" class="LineNr">539 </span>  <span class="Delimiter">}</span>
+<span id="L540" class="LineNr">540 </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="L541" class="LineNr">541 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>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#L185'>end</a><span class="Delimiter">();</span>
+<span id="L542" class="LineNr">542 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L543" class="LineNr">543 </span>  <span class="Delimiter">}</span>
+<span id="L544" class="LineNr">544 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L545" class="LineNr">545 </span><span class="Delimiter">}</span>
+<span id="L546" class="LineNr">546 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
+<span id="L547" class="LineNr">547 </span><span class="Normal">case</span> RELOAD: <span class="Delimiter">{</span>
+<span id="L548" class="LineNr">548 </span>  restore_non_recipe_snapshots<span class="Delimiter">();</span>
+<span id="L549" class="LineNr">549 </span>  string code = <a href='038new_text.cc.html#L143'>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="L550" class="LineNr">550 </span>  <a href='101run_sandboxed.cc.html#L144'>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="L551" class="LineNr">551 </span>  routine* save_current_routine = Current_routine<span class="Delimiter">;</span>
+<span id="L552" class="LineNr">552 </span>  Current_routine = <span class="Constant">NULL</span><span class="Delimiter">;</span>
+<span id="L553" class="LineNr">553 </span>  Sandbox_mode = <span class="Constant">true</span><span class="Delimiter">;</span>
+<span id="L554" class="LineNr">554 </span>  vector&lt;recipe_ordinal&gt; recipes_reloaded = load<span class="Delimiter">(</span>code<span class="Delimiter">);</span>
+<span id="L555" class="LineNr">555 </span>  <a href='012transform.cc.html#L46'>transform_all</a><span class="Delimiter">();</span>
+<span id="L556" class="LineNr">556 </span>  Trace_stream<span class="Delimiter">-&gt;</span><a href='003trace.cc.html#L127'>newline</a><span class="Delimiter">();</span>  <span class="Comment">// flush trace</span>
+<span id="L557" class="LineNr">557 </span>  Sandbox_mode = <span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L558" class="LineNr">558 </span>  Current_routine = save_current_routine<span class="Delimiter">;</span>
+<span id="L559" class="LineNr">559 </span>  products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L560" class="LineNr">560 </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#L490'>trace_error_contents</a><span class="Delimiter">());</span>
+<span id="L561" class="LineNr">561 </span>  <a href='101run_sandboxed.cc.html#L155'>run_code_end</a><span class="Delimiter">();</span>  <span class="Comment">// wait until we're done with the trace contents</span>
+<span id="L562" class="LineNr">562 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L563" class="LineNr">563 </span><span class="Delimiter">}</span>
+<span id="L564" class="LineNr">564 </span>
+<span id="L565" class="LineNr">565 </span><span class="Delimiter">:(scenario reload_continues_past_error)</span>
+<span id="L566" class="LineNr">566 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L567" class="LineNr">567 </span>  local-scope
+<span id="L568" class="LineNr">568 </span>  <span class="Normal">x</span>:text<span class="Special"> &lt;- </span><span class="Normal">new</span> [recipe foo [
+<span id="L569" class="LineNr">569 </span>  get <span class="Constant">1234</span>:num<span class="Delimiter">,</span> <span class="Constant">foo:offset</span>
+<span id="L570" class="LineNr">570 </span>]]
+<span id="L571" class="LineNr">571 </span>  reload x
+<span id="L572" class="LineNr">572 </span>  <span class="Constant">1</span>:num/<span class="Special">raw &lt;- </span>copy <span class="Constant">34</span>
+<span id="L573" class="LineNr">573 </span>]
+<span id="L574" class="LineNr">574 </span><span class="traceContains">+mem: storing 34 in location 1</span>
+<span id="L575" class="LineNr">575 </span>
+<span id="L576" class="LineNr">576 </span><span class="Delimiter">:(scenario reload_can_repeatedly_load_container_definitions)</span>
+<span id="L577" class="LineNr">577 </span><span class="Comment"># define a container and try to create it (merge requires knowing container size)</span>
+<span id="L578" class="LineNr">578 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L579" class="LineNr">579 </span>  local-scope
+<span id="L580" class="LineNr">580 </span>  <span class="Normal">x</span>:text<span class="Special"> &lt;- </span><span class="Normal">new</span> [
+<span id="L581" class="LineNr">581 </span>  <span class="Conceal">¦</span> container foo [
+<span id="L582" class="LineNr">582 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">x</span>:num
+<span id="L583" class="LineNr">583 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">y</span>:num
+<span id="L584" class="LineNr">584 </span>  <span class="Conceal">¦</span> ]
+<span id="L585" class="LineNr">585 </span>  <span class="Conceal">¦</span> <a href='010vm.cc.html#L19'>recipe</a> bar [
+<span id="L586" class="LineNr">586 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> local-scope
+<span id="L587" class="LineNr">587 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</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="L588" class="LineNr">588 </span>  <span class="Conceal">¦</span> ]
+<span id="L589" class="LineNr">589 </span>  ]
+<span id="L590" class="LineNr">590 </span>  <span class="Comment"># save warning addresses in locations of type 'number' to avoid spurious changes to them due to 'abandon'</span>
+<span id="L591" class="LineNr">591 </span>  <span class="Constant">1</span>:num/<span class="Special">raw &lt;- </span>reload x
+<span id="L592" class="LineNr">592 </span>  <span class="Constant">2</span>:num/<span class="Special">raw &lt;- </span>reload x
+<span id="L593" class="LineNr">593 </span>]
+<span id="L594" class="LineNr">594 </span><span class="Comment"># no errors on either load</span>
+<span id="L595" class="LineNr">595 </span><span class="traceContains">+mem: storing 0 in location 1</span>
+<span id="L596" class="LineNr">596 </span><span class="traceContains">+mem: storing 0 in location 2</span>
 </pre>
 </body>
 </html>