1853

1 files changed, 98 insertions, 77 deletions

diff --git a/html/081run_interactive.cc.html b/html/081run_interactive.cc.html
index 54b1456c..ab064b17 100644
--- a/html/081run_interactive.cc.html
+++ b/html/081run_interactive.cc.html
@@ -13,14 +13,15 @@
 pre { white-space: pre-wrap; font-family: monospace; color: #eeeeee; background-color: #080808; }
 body { font-family: monospace; color: #eeeeee; background-color: #080808; }
 * { font-size: 1.05em; }
-.traceContains { color: #008000; }
 .cSpecial { color: #008000; }
 .Constant { color: #00a0a0; }
+.CommentedCode { color: #6c6c6c; }
+.Normal { color: #eeeeee; background-color: #080808; padding-bottom: 1px; }
 .Comment { color: #9090ff; }
 .Delimiter { color: #a04060; }
 .Special { color: #ff6060; }
-.CommentedCode { color: #6c6c6c; }
 .Identifier { color: #804000; }
+.traceContains { color: #008000; }
 -->
 </style>
 
@@ -37,7 +38,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
 
 <span class="Delimiter">:(scenario run_interactive_code)</span>
 recipe main [
-  <span class="Constant">2</span>:address:array:character<span class="Special"> &lt;- </span>new [<span class="Constant">1</span>:number<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>:literal]
+  <span class="Constant">2</span>:address:array:character<span class="Special"> &lt;- </span><span class="Normal">new</span> [<span class="Constant">1</span>:number<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>:literal]
   run-interactive <span class="Constant">2</span>:address:array:character
 ]
 <span class="traceContains">+mem: storing 34 in location 1</span>
@@ -59,25 +60,32 @@ RUN_INTERACTIVE<span class="Delimiter">,</span>
 Recipe_ordinal[<span class="Constant">&quot;run-interactive&quot;</span>] = RUN_INTERACTIVE<span class="Delimiter">;</span>
 <span class="CommentedCode">//? cerr &lt;&lt; &quot;run-interactive: &quot; &lt;&lt; RUN_INTERACTIVE &lt;&lt; '\n'; //? 1</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
-case RUN_INTERACTIVE: <span class="Delimiter">{</span>
-  assert<span class="Delimiter">(</span>scalar<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="Normal">case</span> RUN_INTERACTIVE: <span class="Delimiter">{</span>
+  <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+    raise &lt;&lt; current_recipe_name<span class="Delimiter">()</span> &lt;&lt; <span class="Constant">&quot;: 'run-interactive' requires exactly one ingredient, but got &quot;</span> &lt;&lt; current_instruction<span class="Delimiter">().</span>to_string<span class="Delimiter">()</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; end<span class="Delimiter">();</span>
+    <span class="Identifier">break</span><span class="Delimiter">;</span>
+  <span class="Delimiter">}</span>
+  <span class="Normal">if</span> <span class="Delimiter">(</span>!scalar<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>
+    raise &lt;&lt; current_recipe_name<span class="Delimiter">()</span> &lt;&lt; <span class="Constant">&quot;: first ingredient of 'run-interactive' should be a literal string, but got &quot;</span> &lt;&lt; current_instruction<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="cSpecial">'\n'</span> &lt;&lt; end<span class="Delimiter">();</span>
+    <span class="Identifier">break</span><span class="Delimiter">;</span>
+  <span class="Delimiter">}</span>
   products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">3</span><span class="Delimiter">);</span>
-  bool new_code_pushed_to_stack = run_interactive<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>
-  if <span class="Delimiter">(</span>!new_code_pushed_to_stack<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+  <span class="Normal">bool</span> new_code_pushed_to_stack = run_interactive<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 class="Normal">if</span> <span class="Delimiter">(</span>!new_code_pushed_to_stack<span class="Delimiter">)</span> <span class="Delimiter">{</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>
     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>warnings_from_trace<span class="Delimiter">());</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>
     clean_up_interactive<span class="Delimiter">();</span>
     <span class="Identifier">break</span><span class="Delimiter">;</span>  <span class="Comment">// done with this instruction</span>
   <span class="Delimiter">}</span>
-  else <span class="Delimiter">{</span>
+  <span class="Normal">else</span> <span class="Delimiter">{</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 class="Delimiter">}</span>
 <span class="Delimiter">}</span>
 
 <span class="Delimiter">:(before &quot;End Globals&quot;)</span>
-bool Running_interactive = <span class="Constant">false</span><span class="Delimiter">;</span>
-long long int Old_screen = <span class="Constant">0</span><span class="Delimiter">;</span>  <span class="Comment">// we can support one iteration of screen inside screen</span>
+<span class="Normal">bool</span> Running_interactive = <span class="Constant">false</span><span class="Delimiter">;</span>
+<span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span> Old_screen = <span class="Constant">0</span><span class="Delimiter">;</span>  <span class="Comment">// we can support one iteration of screen inside screen</span>
 <span class="Delimiter">:(before &quot;End Setup&quot;)</span>
 Running_interactive = <span class="Constant">false</span><span class="Delimiter">;</span>
 Old_screen = <span class="Constant">0</span><span class="Delimiter">;</span>
@@ -85,40 +93,40 @@ Old_screen = <span class="Constant">0</span><span class="Delimiter">;</span>
 <span class="Comment">// reads a string, tries to call it as code (treating it as a test), saving</span>
 <span class="Comment">// all warnings.</span>
 <span class="Comment">// returns true if successfully called (no errors found during load and transform)</span>
-bool run_interactive<span class="Delimiter">(</span>long long int address<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-  if <span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">.</span>find<span class="Delimiter">(</span><span class="Constant">&quot;interactive&quot;</span><span class="Delimiter">)</span> == Recipe_ordinal<span class="Delimiter">.</span>end<span class="Delimiter">())</span>
+<span class="Normal">bool</span> run_interactive<span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span> address<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+  <span class="Normal">if</span> <span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">.</span>find<span class="Delimiter">(</span><span class="Constant">&quot;interactive&quot;</span><span class="Delimiter">)</span> == Recipe_ordinal<span class="Delimiter">.</span>end<span class="Delimiter">())</span>
     Recipe_ordinal[<span class="Constant">&quot;interactive&quot;</span>] = Next_recipe_ordinal++<span class="Delimiter">;</span>
   Old_screen = Memory[SCREEN]<span class="Delimiter">;</span>
 <span class="CommentedCode">//?   cerr &lt;&lt; &quot;save screen: &quot; &lt;&lt; Old_screen &lt;&lt; '\n'; //? 2</span>
   <span class="Comment">// try to sandbox the run as best you can</span>
   <span class="Comment">// todo: test this</span>
-  if <span class="Delimiter">(</span>!Current_scenario<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+  <span class="Normal">if</span> <span class="Delimiter">(</span>!Current_scenario<span class="Delimiter">)</span> <span class="Delimiter">{</span>
     <span class="Comment">// not already sandboxed</span>
-    for <span class="Delimiter">(</span>long long int 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 class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">long</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>
       Memory<span class="Delimiter">.</span>erase<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
     Name[Recipe_ordinal[<span class="Constant">&quot;interactive&quot;</span>]]<span class="Delimiter">.</span>clear<span class="Delimiter">();</span>
   <span class="Delimiter">}</span>
 <span class="CommentedCode">//?   cerr &lt;&lt; &quot;screen was at &quot; &lt;&lt; Name[Recipe_ordinal[&quot;interactive&quot;]][&quot;screen&quot;] &lt;&lt; '\n'; //? 1</span>
   Name[Recipe_ordinal[<span class="Constant">&quot;interactive&quot;</span>]][<span class="Constant">&quot;screen&quot;</span>] = SCREEN<span class="Delimiter">;</span>
 <span class="CommentedCode">//?   cerr &lt;&lt; &quot;screen now at &quot; &lt;&lt; Name[Recipe_ordinal[&quot;interactive&quot;]][&quot;screen&quot;] &lt;&lt; '\n'; //? 1</span>
-  string command = trim<span class="Delimiter">(</span>strip_comments<span class="Delimiter">(</span>to_string<span class="Delimiter">(</span>address<span class="Delimiter">)));</span>
-  if <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>
+  string command = trim<span class="Delimiter">(</span>strip_comments<span class="Delimiter">(</span>read_mu_string<span class="Delimiter">(</span>address<span class="Delimiter">)));</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>
   Recipe<span class="Delimiter">.</span>erase<span class="Delimiter">(</span>Recipe_ordinal[<span class="Constant">&quot;interactive&quot;</span>]<span class="Delimiter">);</span>
   Hide_warnings = <span class="Constant">true</span><span class="Delimiter">;</span>
-  if <span class="Delimiter">(</span>!Trace_stream<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+  <span class="Normal">if</span> <span class="Delimiter">(</span>!Trace_stream<span class="Delimiter">)</span> <span class="Delimiter">{</span>
     Trace_file = <span class="Constant">&quot;&quot;</span><span class="Delimiter">;</span>  <span class="Comment">// if there wasn't already a stream we don't want to save it</span>
-    Trace_stream = new trace_stream<span class="Delimiter">;</span>
+    Trace_stream = <span class="Normal">new</span> trace_stream<span class="Delimiter">;</span>
     Trace_stream<span class="Delimiter">-&gt;</span>collect_layer = <span class="Constant">&quot;warn&quot;</span><span class="Delimiter">;</span>
   <span class="Delimiter">}</span>
   <span class="Comment">// call run(string) but without the scheduling</span>
   <span class="Comment">// we won't create a local scope so that we can get to the new screen after</span>
   <span class="Comment">// we return from 'interactive'.</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 class="Constant">&quot;screen:address &lt;- new-fake-screen 5, 5</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> +
+          <span class="Constant">&quot;screen:address &lt;- new-fake-screen 30, 5</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> +
           command + <span class="Constant">&quot;</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> +
        <span class="Constant">&quot;]</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">);</span>
   transform_all<span class="Delimiter">();</span>
-  if <span class="Delimiter">(</span>trace_count<span class="Delimiter">(</span><span class="Constant">&quot;warn&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 class="Normal">if</span> <span class="Delimiter">(</span>trace_count<span class="Delimiter">(</span><span class="Constant">&quot;warn&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>
   Running_interactive = <span class="Constant">true</span><span class="Delimiter">;</span>
   Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>push_front<span class="Delimiter">(</span>call<span class="Delimiter">(</span>Recipe_ordinal[<span class="Constant">&quot;interactive&quot;</span>]<span class="Delimiter">));</span>
   <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
@@ -127,7 +135,7 @@ bool run_interactive<span class="Delimiter">(</span>long long int address<span c
 <span class="Delimiter">:(scenario &quot;run_interactive_returns_stringified_result&quot;)</span>
 recipe main [
   <span class="Comment"># try to interactively add 2 and 2</span>
-  <span class="Constant">1</span>:address:array:character<span class="Special"> &lt;- </span>new [add <span class="Constant">2</span>:literal<span class="Delimiter">,</span> <span class="Constant">2</span>:literal]
+  <span class="Constant">1</span>:address:array:character<span class="Special"> &lt;- </span><span class="Normal">new</span> [add <span class="Constant">2</span>:literal<span class="Delimiter">,</span> <span class="Constant">2</span>:literal]
   <span class="Constant">2</span>:address:array:character<span class="Special"> &lt;- </span>run-interactive <span class="Constant">1</span>:address:array:character
   <span class="Constant">10</span>:array:character<span class="Special"> &lt;- </span>copy <span class="Constant">2</span>:address:array:character/deref
 ]
@@ -137,9 +145,9 @@ recipe main [
 <span class="Delimiter">:(scenario &quot;run_interactive_returns_string&quot;)</span>
 recipe main [
   <span class="Comment"># try to interactively add 2 and 2</span>
-  <span class="Constant">1</span>:address:array:character<span class="Special"> &lt;- </span>new [
-    <span class="Constant">100</span>:address:array:character<span class="Special"> &lt;- </span>new [a]
-    <span class="Constant">101</span>:address:array:character<span class="Special"> &lt;- </span>new [b]
+  <span class="Constant">1</span>:address:array:character<span class="Special"> &lt;- </span><span class="Normal">new</span> [
+    <span class="Constant">100</span>:address:array:character<span class="Special"> &lt;- </span><span class="Normal">new</span> [a]
+    <span class="Constant">101</span>:address:array:character<span class="Special"> &lt;- </span><span class="Normal">new</span> [b]
     <span class="Constant">102</span>:address:array:character<span class="Special"> &lt;- </span>string-append <span class="Constant">100</span>:address:array:character<span class="Delimiter">,</span> <span class="Constant">101</span>:address:array:character
   ]
   <span class="Constant">2</span>:address:array:character<span class="Special"> &lt;- </span>run-interactive <span class="Constant">1</span>:address:array:character
@@ -152,7 +160,7 @@ recipe main [
 <span class="Delimiter">:(scenario &quot;run_interactive_returns_warnings&quot;)</span>
 recipe main [
   <span class="Comment"># run a command that generates a warning</span>
-  <span class="Constant">1</span>:address:array:character<span class="Special"> &lt;- </span>new [get <span class="Constant">1234</span>:number<span class="Delimiter">,</span> foo:offset]
+  <span class="Constant">1</span>:address:array:character<span class="Special"> &lt;- </span><span class="Normal">new</span> [get <span class="Constant">1234</span>:number<span class="Delimiter">,</span> foo:offset]
   <span class="Constant">2</span>:address:array:character<span class="Delimiter">,</span> <span class="Constant">3</span>:address:array:character<span class="Special"> &lt;- </span>run-interactive <span class="Constant">1</span>:address:array:character
   <span class="Constant">10</span>:array:character<span class="Special"> &lt;- </span>copy <span class="Constant">3</span>:address:array:character/deref
 ]
@@ -167,44 +175,43 @@ string Most_recent_results<span class="Delimiter">;</span>
 <span class="Delimiter">:(before &quot;End Setup&quot;)</span>
 Most_recent_results = <span class="Constant">&quot;&quot;</span><span class="Delimiter">;</span>
 <span class="Delimiter">:(before &quot;End of Instruction&quot;)</span>
-if <span class="Delimiter">(</span>Running_interactive<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span class="Normal">if</span> <span class="Delimiter">(</span>Running_interactive<span class="Delimiter">)</span> <span class="Delimiter">{</span>
   record_products<span class="Delimiter">(</span>current_instruction<span class="Delimiter">(),</span> products<span class="Delimiter">);</span>
 <span class="Delimiter">}</span>
 <span class="Delimiter">:(code)</span>
-void record_products<span class="Delimiter">(</span>const instruction&amp; instruction<span class="Delimiter">,</span> const vector&lt;vector&lt;double&gt; &gt;&amp; products<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span class="Normal">void</span> record_products<span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp; instruction<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>
   ostringstream out<span class="Delimiter">;</span>
-  for <span class="Delimiter">(</span>long long int i = <span class="Constant">0</span><span class="Delimiter">;</span> i &lt; SIZE<span class="Delimiter">(</span>products<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i &lt; SIZE<span class="Delimiter">(</span>products<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
     <span class="Comment">// string</span>
-    if <span class="Delimiter">(</span>i &lt; SIZE<span class="Delimiter">(</span>instruction<span class="Delimiter">.</span>products<span class="Delimiter">))</span> <span class="Delimiter">{</span>
-      if <span class="Delimiter">(</span>is_string<span class="Delimiter">(</span>instruction<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
+    <span class="Normal">if</span> <span class="Delimiter">(</span>i &lt; SIZE<span class="Delimiter">(</span>instruction<span class="Delimiter">.</span>products<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+      <span class="Normal">if</span> <span class="Delimiter">(</span>is_string<span class="Delimiter">(</span>instruction<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
         assert<span class="Delimiter">(</span>scalar<span class="Delimiter">(</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)));</span>
-        out &lt;&lt; to_string<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>
+        out &lt;&lt; read_mu_string<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 class="Identifier">continue</span><span class="Delimiter">;</span>
       <span class="Delimiter">}</span>
       <span class="Comment">// End Record Product Special-cases</span>
     <span class="Delimiter">}</span>
-    for <span class="Delimiter">(</span>long long int j = <span class="Constant">0</span><span class="Delimiter">;</span> j &lt; SIZE<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 class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span> j &lt; SIZE<span class="Delimiter">(</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span> ++j<span class="Delimiter">)</span>
       out &lt;&lt; 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>
     out &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
   <span class="Delimiter">}</span>
   Most_recent_results = out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
 <span class="Delimiter">}</span>
 <span class="Delimiter">:(before &quot;Complete Call Fallthrough&quot;)</span>
-if <span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>operation == RUN_INTERACTIVE &amp;&amp; !current_instruction<span class="Delimiter">().</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
+<span class="Normal">if</span> <span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>operation == RUN_INTERACTIVE &amp;&amp; !current_instruction<span class="Delimiter">().</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
   assert<span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>products<span class="Delimiter">)</span> &lt;= <span class="Constant">3</span><span class="Delimiter">);</span>
   <span class="Comment">// Send the results of the most recently executed instruction, regardless of</span>
   <span class="Comment">// call depth, to be converted to string and potentially printed to string.</span>
-  vector&lt;double&gt; result<span class="Delimiter">;</span>
-  result<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>new_string<span class="Delimiter">(</span>Most_recent_results<span class="Delimiter">));</span>
+  vector&lt;<span class="Normal">double</span>&gt; result<span class="Delimiter">;</span>
+  result<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>new_mu_string<span class="Delimiter">(</span>Most_recent_results<span class="Delimiter">));</span>
   write_memory<span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">),</span> result<span class="Delimiter">);</span>
-  if <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>products<span class="Delimiter">)</span> &gt;= <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-    vector&lt;double&gt; warnings<span class="Delimiter">;</span>
+  <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>products<span class="Delimiter">)</span> &gt;= <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+    vector&lt;<span class="Normal">double</span>&gt; warnings<span class="Delimiter">;</span>
     warnings<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>warnings_from_trace<span class="Delimiter">());</span>
     write_memory<span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">),</span> warnings<span class="Delimiter">);</span>
   <span class="Delimiter">}</span>
-  if <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>products<span class="Delimiter">)</span> &gt;= <span class="Constant">3</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-    vector&lt;double&gt; screen<span class="Delimiter">;</span>
-<span class="CommentedCode">//?     cerr &lt;&lt; &quot;returning screen &quot; &lt;&lt; Memory[SCREEN] &lt;&lt; &quot; to &quot; &lt;&lt; current_instruction().products.at(2).to_string() &lt;&lt; &quot; value &quot; &lt;&lt; current_instruction().products.at(2).value &lt;&lt; '\n'; //? 1</span>
+  <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>products<span class="Delimiter">)</span> &gt;= <span class="Constant">3</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+    vector&lt;<span class="Normal">double</span>&gt; screen<span class="Delimiter">;</span>
     screen<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>Memory[SCREEN]<span class="Delimiter">);</span>
     write_memory<span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">),</span> screen<span class="Delimiter">);</span>
   <span class="Delimiter">}</span>
@@ -213,20 +220,21 @@ if <span class="Delimiter">(</span>current_instruction<span class="Delimiter">()
 <span class="Comment">//: clean up reply after we've popped it off the call-stack</span>
 <span class="Comment">//: however, we need what was on the stack to decide whether to clean up</span>
 <span class="Delimiter">:(after &quot;Starting Reply&quot;)</span>
-bool must_clean_up_interactive = <span class="Delimiter">(</span>current_recipe_name<span class="Delimiter">()</span> == <span class="Constant">&quot;interactive&quot;</span><span class="Delimiter">);</span>
+<span class="Normal">bool</span> must_clean_up_interactive = <span class="Delimiter">(</span>current_recipe_name<span class="Delimiter">()</span> == <span class="Constant">&quot;interactive&quot;</span><span class="Delimiter">);</span>
 <span class="Delimiter">:(after &quot;Falling Through End Of Recipe&quot;)</span>
-bool must_clean_up_interactive = <span class="Delimiter">(</span>current_recipe_name<span class="Delimiter">()</span> == <span class="Constant">&quot;interactive&quot;</span><span class="Delimiter">);</span>
+<span class="Normal">bool</span> must_clean_up_interactive = <span class="Delimiter">(</span>current_recipe_name<span class="Delimiter">()</span> == <span class="Constant">&quot;interactive&quot;</span><span class="Delimiter">);</span>
 <span class="Delimiter">:(before &quot;End Reply&quot;)</span>
-if <span class="Delimiter">(</span>must_clean_up_interactive<span class="Delimiter">)</span> clean_up_interactive<span class="Delimiter">();</span>
+<span class="Normal">if</span> <span class="Delimiter">(</span>must_clean_up_interactive<span class="Delimiter">)</span> clean_up_interactive<span class="Delimiter">();</span>
 <span class="Delimiter">:(before &quot;Complete Call Fallthrough&quot;)</span>
-if <span class="Delimiter">(</span>must_clean_up_interactive<span class="Delimiter">)</span> clean_up_interactive<span class="Delimiter">();</span>
+<span class="Normal">if</span> <span class="Delimiter">(</span>must_clean_up_interactive<span class="Delimiter">)</span> clean_up_interactive<span class="Delimiter">();</span>
 <span class="Delimiter">:(code)</span>
-void clean_up_interactive<span class="Delimiter">()</span> <span class="Delimiter">{</span>
+<span class="Normal">void</span> clean_up_interactive<span class="Delimiter">()</span> <span class="Delimiter">{</span>
+  Trace_stream<span class="Delimiter">-&gt;</span>newline<span class="Delimiter">();</span>  <span class="Comment">// flush trace</span>
   Hide_warnings = <span class="Constant">false</span><span class="Delimiter">;</span>
   Running_interactive = <span class="Constant">false</span><span class="Delimiter">;</span>
   <span class="Comment">// hack: assume collect_layer isn't set anywhere else</span>
-  if <span class="Delimiter">(</span>Trace_stream<span class="Delimiter">-&gt;</span>collect_layer == <span class="Constant">&quot;warn&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-    delete Trace_stream<span class="Delimiter">;</span>
+  <span class="Normal">if</span> <span class="Delimiter">(</span>Trace_stream<span class="Delimiter">-&gt;</span>collect_layer == <span class="Constant">&quot;warn&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+    <span class="Normal">delete</span> Trace_stream<span class="Delimiter">;</span>
     Trace_stream = <span class="Constant">NULL</span><span class="Delimiter">;</span>
   <span class="Delimiter">}</span>
 <span class="CommentedCode">//?   cerr &lt;&lt; &quot;restore screen: &quot; &lt;&lt; Memory[SCREEN] &lt;&lt; &quot; to &quot; &lt;&lt; Old_screen &lt;&lt; '\n'; //? 1</span>
@@ -237,78 +245,91 @@ void clean_up_interactive<span class="Delimiter">()</span> <span class="Delimite
 <span class="Delimiter">:(code)</span>
 string strip_comments<span class="Delimiter">(</span>string in<span class="Delimiter">)</span> <span class="Delimiter">{</span>
   ostringstream result<span class="Delimiter">;</span>
-  for <span class="Delimiter">(</span>long long int i = <span class="Constant">0</span><span class="Delimiter">;</span> i &lt; SIZE<span class="Delimiter">(</span>in<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-    if <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 class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i &lt; SIZE<span class="Delimiter">(</span>in<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</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>
       result &lt;&lt; in<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
     <span class="Delimiter">}</span>
-    else <span class="Delimiter">{</span>
-      while <span class="Delimiter">(</span>i &lt; SIZE<span class="Delimiter">(</span>in<span class="Delimiter">)</span> &amp;&amp; in<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)</span> != <span class="cSpecial">'\n'</span><span class="Delimiter">)</span>
+    <span class="Normal">else</span> <span class="Delimiter">{</span>
+      <span class="Normal">while</span> <span class="Delimiter">(</span>i &lt; SIZE<span class="Delimiter">(</span>in<span class="Delimiter">)</span> &amp;&amp; in<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)</span> != <span class="cSpecial">'\n'</span><span class="Delimiter">)</span>
         ++i<span class="Delimiter">;</span>
-      if <span class="Delimiter">(</span>i &lt; SIZE<span class="Delimiter">(</span>in<span class="Delimiter">)</span> &amp;&amp; in<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)</span> == <span class="cSpecial">'\n'</span><span class="Delimiter">)</span> ++i<span class="Delimiter">;</span>
+      <span class="Normal">if</span> <span class="Delimiter">(</span>i &lt; SIZE<span class="Delimiter">(</span>in<span class="Delimiter">)</span> &amp;&amp; in<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)</span> == <span class="cSpecial">'\n'</span><span class="Delimiter">)</span> ++i<span class="Delimiter">;</span>
     <span class="Delimiter">}</span>
   <span class="Delimiter">}</span>
   <span class="Identifier">return</span> result<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
 <span class="Delimiter">}</span>
 
-string to_string<span class="Delimiter">(</span>long long int address<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-  long long int size = Memory[address]<span class="Delimiter">;</span>
-  if <span class="Delimiter">(</span>size == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">;</span>
+string read_mu_string<span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span> address<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+  <span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span> size = Memory[address]<span class="Delimiter">;</span>
+  <span class="Normal">if</span> <span class="Delimiter">(</span>size == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">;</span>
   ostringstream tmp<span class="Delimiter">;</span>
-  for <span class="Delimiter">(</span>long long int curr = address+<span class="Constant">1</span><span class="Delimiter">;</span> curr &lt;= address+size<span class="Delimiter">;</span> ++curr<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span> curr = address+<span class="Constant">1</span><span class="Delimiter">;</span> curr &lt;= address+size<span class="Delimiter">;</span> ++curr<span class="Delimiter">)</span> <span class="Delimiter">{</span>
     <span class="Comment">// todo: unicode</span>
-    tmp &lt;&lt; <span class="Delimiter">(</span>char<span class="Delimiter">)(</span>int<span class="Delimiter">)</span>Memory[curr]<span class="Delimiter">;</span>
+    tmp &lt;&lt; <span class="Delimiter">(</span><span class="Normal">char</span><span class="Delimiter">)(</span><span class="Normal">int</span><span class="Delimiter">)</span>Memory[curr]<span class="Delimiter">;</span>
   <span class="Delimiter">}</span>
   <span class="Identifier">return</span> tmp<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
 <span class="Delimiter">}</span>
 
-long long int stringified_value_of_location<span class="Delimiter">(</span>long long int address<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span> stringified_value_of_location<span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span> address<span class="Delimiter">)</span> <span class="Delimiter">{</span>
   <span class="Comment">// convert to string</span>
   ostringstream out<span class="Delimiter">;</span>
   out &lt;&lt; Memory[address]<span class="Delimiter">;</span>
-  <span class="Identifier">return</span> new_string<span class="Delimiter">(</span>out<span class="Delimiter">.</span>str<span class="Delimiter">());</span>
+  <span class="Identifier">return</span> new_mu_string<span class="Delimiter">(</span>out<span class="Delimiter">.</span>str<span class="Delimiter">());</span>
 <span class="Delimiter">}</span>
 
-bool is_string<span class="Delimiter">(</span>const reagent&amp; x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-  <span class="Identifier">return</span> x<span class="Delimiter">.</span>types<span class="Delimiter">.</span>size<span class="Delimiter">()</span> == <span class="Constant">3</span>
+<span class="Normal">bool</span> is_string<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+  <span class="Identifier">return</span> SIZE<span class="Delimiter">(</span>x<span class="Delimiter">.</span>types<span class="Delimiter">)</span> == <span class="Constant">3</span>
       &amp;&amp; x<span class="Delimiter">.</span>types<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> == Type_ordinal[<span class="Constant">&quot;address&quot;</span>]
       &amp;&amp; x<span class="Delimiter">.</span>types<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">)</span> == Type_ordinal[<span class="Constant">&quot;array&quot;</span>]
       &amp;&amp; x<span class="Delimiter">.</span>types<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">)</span> == Type_ordinal[<span class="Constant">&quot;character&quot;</span>]<span class="Delimiter">;</span>
 <span class="Delimiter">}</span>
 
-long long int warnings_from_trace<span class="Delimiter">()</span> <span class="Delimiter">{</span>
-  if <span class="Delimiter">(</span>!Trace_stream<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span>
-  if <span class="Delimiter">(</span>trace_count<span class="Delimiter">(</span><span class="Constant">&quot;warn&quot;</span><span class="Delimiter">)</span> &lt;= <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span>
+<span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span> warnings_from_trace<span class="Delimiter">()</span> <span class="Delimiter">{</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 class="Normal">if</span> <span class="Delimiter">(</span>trace_count<span class="Delimiter">(</span><span class="Constant">&quot;warn&quot;</span><span class="Delimiter">)</span> &lt;= <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span>
   ostringstream out<span class="Delimiter">;</span>
-  for <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>end<span class="Delimiter">();</span> ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-    if <span class="Delimiter">(</span>p<span class="Delimiter">-&gt;</span>label != <span class="Constant">&quot;warn&quot;</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</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>end<span class="Delimiter">();</span> ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+    <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">-&gt;</span>label != <span class="Constant">&quot;warn&quot;</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
     out &lt;&lt; p<span class="Delimiter">-&gt;</span>contents<span class="Delimiter">;</span>
-    if <span class="Delimiter">(</span>*--p<span class="Delimiter">-&gt;</span>contents<span class="Delimiter">.</span>end<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 class="Normal">if</span> <span class="Delimiter">(</span>*--p<span class="Delimiter">-&gt;</span>contents<span class="Delimiter">.</span>end<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 class="Delimiter">}</span>
   assert<span class="Delimiter">(</span>!out<span class="Delimiter">.</span>str<span class="Delimiter">().</span>empty<span class="Delimiter">());</span>
-  <span class="Identifier">return</span> new_string<span class="Delimiter">(</span>out<span class="Delimiter">.</span>str<span class="Delimiter">());</span>
+  <span class="Identifier">return</span> new_mu_string<span class="Delimiter">(</span>out<span class="Delimiter">.</span>str<span class="Delimiter">());</span>
 <span class="Delimiter">}</span>
 
 <span class="Comment">//: simpler version of run-interactive: doesn't do any running, just loads</span>
 <span class="Comment">//: recipes and reports warnings.</span>
-<span class="Delimiter">:(before &quot;End Globals&quot;)</span>
-bool Loading_interactive = <span class="Constant">false</span><span class="Delimiter">;</span>
-<span class="Delimiter">:(before &quot;End Setup&quot;)</span>
-Loading_interactive = <span class="Constant">false</span><span class="Delimiter">;</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 RELOAD<span class="Delimiter">,</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
 Recipe_ordinal[<span class="Constant">&quot;reload&quot;</span>] = RELOAD<span class="Delimiter">;</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
-case RELOAD: <span class="Delimiter">{</span>
-  assert<span class="Delimiter">(</span>scalar<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)));</span>
-  Loading_interactive = <span class="Constant">true</span><span class="Delimiter">;</span>
+<span class="Normal">case</span> RELOAD: <span class="Delimiter">{</span>
+  <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+    raise &lt;&lt; current_recipe_name<span class="Delimiter">()</span> &lt;&lt; <span class="Constant">&quot;: 'reload' requires exactly one ingredient, but got &quot;</span> &lt;&lt; current_instruction<span class="Delimiter">().</span>to_string<span class="Delimiter">()</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; end<span class="Delimiter">();</span>
+    <span class="Identifier">break</span><span class="Delimiter">;</span>
+  <span class="Delimiter">}</span>
+  <span class="Normal">if</span> <span class="Delimiter">(</span>!scalar<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>
+    raise &lt;&lt; current_recipe_name<span class="Delimiter">()</span> &lt;&lt; <span class="Constant">&quot;: first ingredient of 'reload' should be a literal string, but got &quot;</span> &lt;&lt; current_instruction<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="cSpecial">'\n'</span> &lt;&lt; end<span class="Delimiter">();</span>
+    <span class="Identifier">break</span><span class="Delimiter">;</span>
+  <span class="Delimiter">}</span>
+  <span class="Normal">if</span> <span class="Delimiter">(</span>!Trace_stream<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+    Trace_file = <span class="Constant">&quot;&quot;</span><span class="Delimiter">;</span>  <span class="Comment">// if there wasn't already a stream we don't want to save it</span>
+    Trace_stream = <span class="Normal">new</span> trace_stream<span class="Delimiter">;</span>
+    Trace_stream<span class="Delimiter">-&gt;</span>collect_layer = <span class="Constant">&quot;warn&quot;</span><span class="Delimiter">;</span>
+  <span class="Delimiter">}</span>
   Hide_warnings = <span class="Constant">true</span><span class="Delimiter">;</span>
-  load<span class="Delimiter">(</span>to_string<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>
+  Disable_redefine_warnings = <span class="Constant">true</span><span class="Delimiter">;</span>
+  load<span class="Delimiter">(</span>read_mu_string<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>
   transform_all<span class="Delimiter">();</span>
+  Trace_stream<span class="Delimiter">-&gt;</span>newline<span class="Delimiter">();</span>  <span class="Comment">// flush trace</span>
+  Disable_redefine_warnings = <span class="Constant">false</span><span class="Delimiter">;</span>
   Hide_warnings = <span class="Constant">false</span><span class="Delimiter">;</span>
-  Loading_interactive = <span class="Constant">false</span><span class="Delimiter">;</span>
   products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</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>warnings_from_trace<span class="Delimiter">());</span>
+  <span class="Normal">if</span> <span class="Delimiter">(</span>Trace_stream<span class="Delimiter">-&gt;</span>collect_layer == <span class="Constant">&quot;warn&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+    <span class="Normal">delete</span> Trace_stream<span class="Delimiter">;</span>
+    Trace_stream = <span class="Constant">NULL</span><span class="Delimiter">;</span>
+  <span class="Delimiter">}</span>
   <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span class="Delimiter">}</span>
 </pre>