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authorKartik K. Agaram <vc@akkartik.com>2016-12-26 01:17:01 -0800
committerKartik K. Agaram <vc@akkartik.com>2016-12-26 01:26:16 -0800
commite5c11a5137d538b7713dd8708ca767c208824c06 (patch)
tree82976fd80e5d8048840701c351827730b29f89f6 /html/021check_instruction.cc.html
parent63e1c465e46502bd7c391e31db73e7e5ae19adfd (diff)
downloadmu-e5c11a5137d538b7713dd8708ca767c208824c06.tar.gz
3709 - line numbers in html
Each line number also gets an anchor name, but I'm not hyperlinking them for now
because I don't want to encourage bookmarking these links just yet. They aren't
permalinks because every revision may change what's at any given line number.
Diffstat (limited to 'html/021check_instruction.cc.html')
-rw-r--r--html/021check_instruction.cc.html514
1 files changed, 269 insertions, 245 deletions
diff --git a/html/021check_instruction.cc.html b/html/021check_instruction.cc.html
index 119ae459..47ecf5cb 100644
--- a/html/021check_instruction.cc.html
+++ b/html/021check_instruction.cc.html
@@ -6,7 +6,7 @@
 <meta name="Generator" content="Vim/7.4">
 <meta name="plugin-version" content="vim7.4_v2">
 <meta name="syntax" content="cpp">
-<meta name="settings" content="use_css,pre_wrap,no_foldcolumn,expand_tabs,prevent_copy=">
+<meta name="settings" content="number_lines,use_css,pre_wrap,no_foldcolumn,expand_tabs,line_ids,prevent_copy=">
 <meta name="colorscheme" content="minimal">
 <style type="text/css">
 <!--
@@ -14,265 +14,289 @@ pre { white-space: pre-wrap; font-family: monospace; color: #eeeeee; background-
 body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color: #080808; }
 * { font-size: 12pt; font-size: 1em; }
 .Constant { color: #00a0a0; }
-.Special { color: #c00000; }
+.cSpecial { color: #008000; }
 .muRecipe { color: #ff8700; }
-.traceContains { color: #008000; }
+.Special { color: #c00000; }
 .Comment { color: #9090ff; }
 .Delimiter { color: #800080; }
-.cSpecial { color: #008000; }
+.LineNr { color: #444444; }
 .Identifier { color: #c0a020; }
 .Normal { color: #eeeeee; background-color: #080808; padding-bottom: 1px; }
+.traceContains { color: #008000; }
 -->
 </style>
 
 <script type='text/javascript'>
 <!--
 
+/* function to open any folds containing a jumped-to line before jumping to it */
+function JumpToLine()
+{
+  var lineNum;
+  lineNum = window.location.hash;
+  lineNum = lineNum.substr(1); /* strip off '#' */
+
+  if (lineNum.indexOf('L') == -1) {
+    lineNum = 'L'+lineNum;
+  }
+  lineElem = document.getElementById(lineNum);
+  /* Always jump to new location even if the line was hidden inside a fold, or
+   * we corrected the raw number to a line ID.
+   */
+  if (lineElem) {
+    lineElem.scrollIntoView(true);
+  }
+  return true;
+}
+if ('onhashchange' in window) {
+  window.onhashchange = JumpToLine;
+}
+
 -->
 </script>
 </head>
-<body>
+<body onload='JumpToLine();'>
 <pre id='vimCodeElement'>
-<span class="Comment">//: Introduce a new transform to perform various checks in instructions before</span>
-<span class="Comment">//: we start running them. It'll be extensible, so that we can add checks for</span>
-<span class="Comment">//: new recipes as we extend 'run' to support them.</span>
-<span class="Comment">//:</span>
-<span class="Comment">//: Doing checking in a separate part complicates things, because the values</span>
-<span class="Comment">//: of variables in memory and the processor (current_recipe_name,</span>
-<span class="Comment">//: current_instruction) aren't available at checking time. If I had a more</span>
-<span class="Comment">//: sophisticated layer system I'd introduce the simpler version first and</span>
-<span class="Comment">//: transform it in a separate layer or set of layers.</span>
-
-<span class="Delimiter">:(before &quot;End Checks&quot;)</span>
-Transform<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>check_instruction<span class="Delimiter">);</span>  <span class="Comment">// idempotent</span>
-
-<span class="Delimiter">:(code)</span>
-<span class="Normal">void</span> check_instruction<span class="Delimiter">(</span><span class="Normal">const</span> recipe_ordinal r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-  trace<span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;--- perform checks for recipe &quot;</span> &lt;&lt; get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name &lt;&lt; end<span class="Delimiter">();</span>
-  map&lt;string<span class="Delimiter">,</span> vector&lt;type_ordinal&gt; &gt; metadata<span class="Delimiter">;</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; SIZE<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-    instruction&amp; inst = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
-    <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>is_label<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
-    <span class="Normal">switch</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>operation<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-      <span class="Comment">// Primitive Recipe Checks</span>
-      <span class="Normal">case</span> COPY: <span class="Delimiter">{</span>
-        <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> != SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">))</span> <span class="Delimiter">{</span>
-          raise &lt;&lt; maybe<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;ingredients and products should match in '&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; end<span class="Delimiter">();</span>
-          <span class="Identifier">break</span><span class="Delimiter">;</span>
-        <span class="Delimiter">}</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; SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-          <span class="Normal">if</span> <span class="Delimiter">(</span>!types_coercible<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
-            raise &lt;&lt; maybe<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;can't copy '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;' to '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'; types don't match</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
-            <span class="Identifier">goto</span> finish_checking_instruction<span class="Delimiter">;</span>
-          <span class="Delimiter">}</span>
-        <span class="Delimiter">}</span>
-        <span class="Identifier">break</span><span class="Delimiter">;</span>
-      <span class="Delimiter">}</span>
-      <span class="Comment">// End Primitive Recipe Checks</span>
-      <span class="Normal">default</span>: <span class="Delimiter">{</span>
-        <span class="Comment">// Defined Recipe Checks</span>
-        <span class="Comment">// End Defined Recipe Checks</span>
-      <span class="Delimiter">}</span>
-    <span class="Delimiter">}</span>
-    <span class="Normal">finish_checking_instruction</span>:<span class="Delimiter">;</span>
-  <span class="Delimiter">}</span>
-<span class="Delimiter">}</span>
-
-<span class="Delimiter">:(scenario copy_checks_reagent_count)</span>
-<span class="Special">% Hide_errors = true;</span>
-<span class="muRecipe">def</span> main [
-  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">34</span><span class="Delimiter">,</span> <span class="Constant">35</span>
-]
-<span class="traceContains">+error: main: ingredients and products should match in '1:num &lt;- copy 34, 35'</span>
-
-<span class="Delimiter">:(scenario write_scalar_to_array_disallowed)</span>
-<span class="Special">% Hide_errors = true;</span>
-<span class="muRecipe">def</span> main [
-  <span class="Constant">1</span>:array:num<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
-]
-<span class="traceContains">+error: main: can't copy '34' to '1:array:num'; types don't match</span>
-
-<span class="Delimiter">:(scenario write_scalar_to_array_disallowed_2)</span>
-<span class="Special">% Hide_errors = true;</span>
-<span class="muRecipe">def</span> main [
-  <span class="Constant">1</span>:num<span class="Delimiter">,</span> <span class="Constant">2</span>:array:num<span class="Special"> &lt;- </span>copy <span class="Constant">34</span><span class="Delimiter">,</span> <span class="Constant">35</span>
-]
-<span class="traceContains">+error: main: can't copy '35' to '2:array:num'; types don't match</span>
-
-<span class="Delimiter">:(scenario write_scalar_to_address_disallowed)</span>
-<span class="Special">% Hide_errors = true;</span>
-<span class="muRecipe">def</span> main [
-  <span class="Constant">1</span>:address:num<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
-]
-<span class="traceContains">+error: main: can't copy '34' to '1:address:num'; types don't match</span>
-
-<span class="Delimiter">:(scenario write_address_to_number_allowed)</span>
-<span class="muRecipe">def</span> main [
-  <span class="Constant">1</span>:address:num<span class="Special"> &lt;- </span>copy <span class="Constant">12</span>/unsafe
-  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">1</span>:address:num
-]
-<span class="traceContains">+mem: storing 12 in location 2</span>
-$error: <span class="Constant">0</span>
-
-<span class="Delimiter">:(scenario write_boolean_to_number_allowed)</span>
-<span class="muRecipe">def</span> main [
-  <span class="Constant">1</span>:<span class="Normal">bool</span><span class="Special"> &lt;- </span>copy <span class="Constant">1</span>/<span class="Constant">true</span>
-  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">1</span>:<span class="Normal">bool</span>
-]
-<span class="traceContains">+mem: storing 1 in location 2</span>
-$error: <span class="Constant">0</span>
-
-<span class="Delimiter">:(scenario write_number_to_boolean_allowed)</span>
-<span class="muRecipe">def</span> main [
-  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
-  <span class="Constant">2</span>:<span class="Normal">bool</span><span class="Special"> &lt;- </span>copy <span class="Constant">1</span>:num
-]
-<span class="traceContains">+mem: storing 34 in location 2</span>
-$error: <span class="Constant">0</span>
-
-<span class="Delimiter">:(code)</span>
-<span class="Comment">// types_match with some leniency</span>
-<span class="Normal">bool</span> types_coercible<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; to<span class="Delimiter">,</span> <span class="Normal">const</span> reagent&amp; from<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>types_match<span class="Delimiter">(</span>to<span class="Delimiter">,</span> from<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>is_mu_address<span class="Delimiter">(</span>from<span class="Delimiter">)</span> &amp;&amp; is_mu_number<span class="Delimiter">(</span>to<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>is_mu_boolean<span class="Delimiter">(</span>from<span class="Delimiter">)</span> &amp;&amp; is_mu_number<span class="Delimiter">(</span>to<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>is_mu_number<span class="Delimiter">(</span>from<span class="Delimiter">)</span> &amp;&amp; is_mu_boolean<span class="Delimiter">(</span>to<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
-  <span class="Comment">// End types_coercible Special-cases</span>
-  <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-<span class="Delimiter">}</span>
-
-<span class="Normal">bool</span> types_match<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; to<span class="Delimiter">,</span> <span class="Normal">const</span> reagent&amp; from<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-  <span class="Comment">// to sidestep type-checking, use /unsafe in the source.</span>
-  <span class="Comment">// this will be highlighted in red inside vim. just for setting up some tests.</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>is_unsafe<span class="Delimiter">(</span>from<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>is_literal<span class="Delimiter">(</span>from<span class="Delimiter">))</span> <span class="Delimiter">{</span>
-    <span class="Normal">if</span> <span class="Delimiter">(</span>is_mu_array<span class="Delimiter">(</span>to<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-    <span class="Comment">// End Matching Types For Literal(to)</span>
-    <span class="Comment">// allow writing 0 to any address</span>
-    <span class="Normal">if</span> <span class="Delimiter">(</span>is_mu_address<span class="Delimiter">(</span>to<span class="Delimiter">))</span> <span class="Identifier">return</span> from<span class="Delimiter">.</span>name == <span class="Constant">&quot;0&quot;</span><span class="Delimiter">;</span>
-    <span class="Normal">if</span> <span class="Delimiter">(</span>!to<span class="Delimiter">.</span>type<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>to<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>atom &amp;&amp; to<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>value == get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;boolean&quot;</span><span class="Delimiter">))</span>
-      <span class="Identifier">return</span> from<span class="Delimiter">.</span>name == <span class="Constant">&quot;0&quot;</span> || from<span class="Delimiter">.</span>name == <span class="Constant">&quot;1&quot;</span><span class="Delimiter">;</span>
-    <span class="Identifier">return</span> size_of<span class="Delimiter">(</span>to<span class="Delimiter">)</span> == <span class="Constant">1</span><span class="Delimiter">;</span>  <span class="Comment">// literals are always scalars</span>
-  <span class="Delimiter">}</span>
-  <span class="Identifier">return</span> types_strictly_match<span class="Delimiter">(</span>to<span class="Delimiter">,</span> from<span class="Delimiter">);</span>
-<span class="Delimiter">}</span>
-
-<span class="Comment">//: copy arguments for later layers</span>
-<span class="Normal">bool</span> types_strictly_match<span class="Delimiter">(</span>reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> to<span class="Delimiter">,</span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> from<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-  <span class="Comment">// End Preprocess types_strictly_match(reagent to, reagent from)</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>is_literal<span class="Delimiter">(</span>from<span class="Delimiter">)</span> &amp;&amp; to<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>value == get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;number&quot;</span><span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
-  <span class="Comment">// to sidestep type-checking, use /unsafe in the source.</span>
-  <span class="Comment">// this will be highlighted in red inside vim. just for setting up some tests.</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>is_unsafe<span class="Delimiter">(</span>from<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
-  <span class="Comment">// '_' never raises type error</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>is_dummy<span class="Delimiter">(</span>to<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>!to<span class="Delimiter">.</span>type<span class="Delimiter">)</span> <span class="Identifier">return</span> !from<span class="Delimiter">.</span>type<span class="Delimiter">;</span>
-  <span class="Identifier">return</span> types_strictly_match<span class="Delimiter">(</span>to<span class="Delimiter">.</span>type<span class="Delimiter">,</span> from<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
-<span class="Delimiter">}</span>
-
-<span class="Normal">bool</span> types_strictly_match<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* to<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree* from<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>from == to<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>!to<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>!from<span class="Delimiter">)</span> <span class="Identifier">return</span> to<span class="Delimiter">-&gt;</span>atom &amp;&amp; to<span class="Delimiter">-&gt;</span>value == <span class="Constant">0</span><span class="Delimiter">;</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>from<span class="Delimiter">-&gt;</span>atom != to<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>from<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-    <span class="Normal">if</span> <span class="Delimiter">(</span>from<span class="Delimiter">-&gt;</span>value == -<span class="Constant">1</span><span class="Delimiter">)</span> <span class="Identifier">return</span> from<span class="Delimiter">-&gt;</span>name == to<span class="Delimiter">-&gt;</span>name<span class="Delimiter">;</span>
-    <span class="Identifier">return</span> from<span class="Delimiter">-&gt;</span>value == to<span class="Delimiter">-&gt;</span>value<span class="Delimiter">;</span>
-  <span class="Delimiter">}</span>
-  <span class="Identifier">return</span> types_strictly_match<span class="Delimiter">(</span>to<span class="Delimiter">-&gt;</span>left<span class="Delimiter">,</span> from<span class="Delimiter">-&gt;</span>left<span class="Delimiter">)</span> &amp;&amp; types_strictly_match<span class="Delimiter">(</span>to<span class="Delimiter">-&gt;</span>right<span class="Delimiter">,</span> from<span class="Delimiter">-&gt;</span>right<span class="Delimiter">);</span>
-<span class="Delimiter">}</span>
-
-<span class="Normal">void</span> test_unknown_type_does_not_match_unknown_type<span class="Delimiter">()</span> <span class="Delimiter">{</span>
-  reagent a<span class="Delimiter">(</span><span class="Constant">&quot;a:foo&quot;</span><span class="Delimiter">);</span>
-  reagent b<span class="Delimiter">(</span><span class="Constant">&quot;b:bar&quot;</span><span class="Delimiter">);</span>
-  CHECK<span class="Delimiter">(</span>!types_strictly_match<span class="Delimiter">(</span>a<span class="Delimiter">,</span> b<span class="Delimiter">));</span>
-<span class="Delimiter">}</span>
-
-<span class="Normal">void</span> test_unknown_type_matches_itself<span class="Delimiter">()</span> <span class="Delimiter">{</span>
-  reagent a<span class="Delimiter">(</span><span class="Constant">&quot;a:foo&quot;</span><span class="Delimiter">);</span>
-  reagent b<span class="Delimiter">(</span><span class="Constant">&quot;b:foo&quot;</span><span class="Delimiter">);</span>
-  CHECK<span class="Delimiter">(</span>types_strictly_match<span class="Delimiter">(</span>a<span class="Delimiter">,</span> b<span class="Delimiter">));</span>
-<span class="Delimiter">}</span>
-
-<span class="Comment">//: helpers</span>
-
-<span class="Normal">bool</span> is_unsafe<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-  <span class="Identifier">return</span> has_property<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">&quot;unsafe&quot;</span><span class="Delimiter">);</span>
-<span class="Delimiter">}</span>
-
-<span class="Normal">bool</span> is_mu_array<span class="Delimiter">(</span>reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-  <span class="Comment">// End Preprocess is_mu_array(reagent r)</span>
-  <span class="Identifier">return</span> is_mu_array<span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
-<span class="Delimiter">}</span>
-<span class="Normal">bool</span> is_mu_array<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>is_literal<span class="Delimiter">(</span>type<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>type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-    raise &lt;&lt; <span class="Constant">&quot;invalid type &quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>type<span class="Delimiter">)</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; end<span class="Delimiter">();</span>
-    <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-  <span class="Delimiter">}</span>
-  <span class="Identifier">return</span> type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>value == get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;array&quot;</span><span class="Delimiter">);</span>
-<span class="Delimiter">}</span>
-
-<span class="Normal">bool</span> is_mu_address<span class="Delimiter">(</span>reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-  <span class="Comment">// End Preprocess is_mu_address(reagent r)</span>
-  <span class="Identifier">return</span> is_mu_address<span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
-<span class="Delimiter">}</span>
-<span class="Normal">bool</span> is_mu_address<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>is_literal<span class="Delimiter">(</span>type<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>type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-    raise &lt;&lt; <span class="Constant">&quot;invalid type &quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>type<span class="Delimiter">)</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; end<span class="Delimiter">();</span>
-    <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-  <span class="Delimiter">}</span>
-  <span class="Identifier">return</span> type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>value == get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;address&quot;</span><span class="Delimiter">);</span>
-<span class="Delimiter">}</span>
-
-<span class="Normal">bool</span> is_mu_boolean<span class="Delimiter">(</span>reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-  <span class="Comment">// End Preprocess is_mu_boolean(reagent r)</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>!r<span class="Delimiter">.</span>type<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>is_literal<span class="Delimiter">(</span>r<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>!r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-  <span class="Identifier">return</span> r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>value == get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;boolean&quot;</span><span class="Delimiter">);</span>
-<span class="Delimiter">}</span>
-
-<span class="Normal">bool</span> is_mu_number<span class="Delimiter">(</span>reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-  <span class="Comment">// End Preprocess is_mu_number(reagent r)</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>!r<span class="Delimiter">.</span>type<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>!r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>is_literal<span class="Delimiter">(</span>r<span class="Delimiter">))</span> <span class="Delimiter">{</span>
-    <span class="Identifier">return</span> r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;literal-fractional-number&quot;</span>
-        || r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;literal&quot;</span><span class="Delimiter">;</span>
-  <span class="Delimiter">}</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>value == get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;character&quot;</span><span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>  <span class="Comment">// permit arithmetic on unicode code points</span>
-  <span class="Identifier">return</span> r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>value == get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;number&quot;</span><span class="Delimiter">);</span>
-<span class="Delimiter">}</span>
-
-<span class="Normal">bool</span> is_mu_character<span class="Delimiter">(</span>reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-  <span class="Comment">// End Preprocess is_mu_character(reagent r)</span>
-  <span class="Identifier">return</span> is_mu_character<span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
-<span class="Delimiter">}</span>
-<span class="Normal">bool</span> is_mu_character<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>is_literal<span class="Delimiter">(</span>type<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-  <span class="Identifier">return</span> type<span class="Delimiter">-&gt;</span>value == get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;character&quot;</span><span class="Delimiter">);</span>
-<span class="Delimiter">}</span>
-
-<span class="Normal">bool</span> is_mu_scalar<span class="Delimiter">(</span>reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-  <span class="Identifier">return</span> is_mu_scalar<span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
-<span class="Delimiter">}</span>
-<span class="Normal">bool</span> is_mu_scalar<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>is_mu_address<span class="Delimiter">(</span>type<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>is_literal<span class="Delimiter">(</span>type<span class="Delimiter">))</span>
-    <span class="Identifier">return</span> type<span class="Delimiter">-&gt;</span>name != <span class="Constant">&quot;literal-string&quot;</span><span class="Delimiter">;</span>
-  <span class="Identifier">return</span> size_of<span class="Delimiter">(</span>type<span class="Delimiter">)</span> == <span class="Constant">1</span><span class="Delimiter">;</span>
-<span class="Delimiter">}</span>
+<a name="L1"></a><span id="L1" class="LineNr">  1 </span><span class="Comment">//: Introduce a new transform to perform various checks in instructions before</span>
+<a name="L2"></a><span id="L2" class="LineNr">  2 </span><span class="Comment">//: we start running them. It'll be extensible, so that we can add checks for</span>
+<a name="L3"></a><span id="L3" class="LineNr">  3 </span><span class="Comment">//: new recipes as we extend 'run' to support them.</span>
+<a name="L4"></a><span id="L4" class="LineNr">  4 </span><span class="Comment">//:</span>
+<a name="L5"></a><span id="L5" class="LineNr">  5 </span><span class="Comment">//: Doing checking in a separate part complicates things, because the values</span>
+<a name="L6"></a><span id="L6" class="LineNr">  6 </span><span class="Comment">//: of variables in memory and the processor (current_recipe_name,</span>
+<a name="L7"></a><span id="L7" class="LineNr">  7 </span><span class="Comment">//: current_instruction) aren't available at checking time. If I had a more</span>
+<a name="L8"></a><span id="L8" class="LineNr">  8 </span><span class="Comment">//: sophisticated layer system I'd introduce the simpler version first and</span>
+<a name="L9"></a><span id="L9" class="LineNr">  9 </span><span class="Comment">//: transform it in a separate layer or set of layers.</span>
+<a name="L10"></a><span id="L10" class="LineNr"> 10 </span>
+<a name="L11"></a><span id="L11" class="LineNr"> 11 </span><span class="Delimiter">:(before &quot;End Checks&quot;)</span>
+<a name="L12"></a><span id="L12" class="LineNr"> 12 </span>Transform<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>check_instruction<span class="Delimiter">);</span>  <span class="Comment">// idempotent</span>
+<a name="L13"></a><span id="L13" class="LineNr"> 13 </span>
+<a name="L14"></a><span id="L14" class="LineNr"> 14 </span><span class="Delimiter">:(code)</span>
+<a name="L15"></a><span id="L15" class="LineNr"> 15 </span><span class="Normal">void</span> check_instruction<span class="Delimiter">(</span><span class="Normal">const</span> recipe_ordinal r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<a name="L16"></a><span id="L16" class="LineNr"> 16 </span>  trace<span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;--- perform checks for recipe &quot;</span> &lt;&lt; get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name &lt;&lt; end<span class="Delimiter">();</span>
+<a name="L17"></a><span id="L17" class="LineNr"> 17 </span>  map&lt;string<span class="Delimiter">,</span> vector&lt;type_ordinal&gt; &gt; metadata<span class="Delimiter">;</span>
+<a name="L18"></a><span id="L18" class="LineNr"> 18 </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; SIZE<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<a name="L19"></a><span id="L19" class="LineNr"> 19 </span>    instruction&amp; inst = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
+<a name="L20"></a><span id="L20" class="LineNr"> 20 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>is_label<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
+<a name="L21"></a><span id="L21" class="LineNr"> 21 </span>    <span class="Normal">switch</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>operation<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<a name="L22"></a><span id="L22" class="LineNr"> 22 </span>      <span class="Comment">// Primitive Recipe Checks</span>
+<a name="L23"></a><span id="L23" class="LineNr"> 23 </span>      <span class="Normal">case</span> COPY: <span class="Delimiter">{</span>
+<a name="L24"></a><span id="L24" class="LineNr"> 24 </span>        <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> != SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<a name="L25"></a><span id="L25" class="LineNr"> 25 </span>          raise &lt;&lt; maybe<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;ingredients and products should match in '&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; end<span class="Delimiter">();</span>
+<a name="L26"></a><span id="L26" class="LineNr"> 26 </span>          <span class="Identifier">break</span><span class="Delimiter">;</span>
+<a name="L27"></a><span id="L27" class="LineNr"> 27 </span>        <span class="Delimiter">}</span>
+<a name="L28"></a><span id="L28" class="LineNr"> 28 </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; SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<a name="L29"></a><span id="L29" class="LineNr"> 29 </span>          <span class="Normal">if</span> <span class="Delimiter">(</span>!types_coercible<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
+<a name="L30"></a><span id="L30" class="LineNr"> 30 </span>            raise &lt;&lt; maybe<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;can't copy '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;' to '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'; types don't match</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
+<a name="L31"></a><span id="L31" class="LineNr"> 31 </span>            <span class="Identifier">goto</span> finish_checking_instruction<span class="Delimiter">;</span>
+<a name="L32"></a><span id="L32" class="LineNr"> 32 </span>          <span class="Delimiter">}</span>
+<a name="L33"></a><span id="L33" class="LineNr"> 33 </span>        <span class="Delimiter">}</span>
+<a name="L34"></a><span id="L34" class="LineNr"> 34 </span>        <span class="Identifier">break</span><span class="Delimiter">;</span>
+<a name="L35"></a><span id="L35" class="LineNr"> 35 </span>      <span class="Delimiter">}</span>
+<a name="L36"></a><span id="L36" class="LineNr"> 36 </span>      <span class="Comment">// End Primitive Recipe Checks</span>
+<a name="L37"></a><span id="L37" class="LineNr"> 37 </span>      <span class="Normal">default</span>: <span class="Delimiter">{</span>
+<a name="L38"></a><span id="L38" class="LineNr"> 38 </span>        <span class="Comment">// Defined Recipe Checks</span>
+<a name="L39"></a><span id="L39" class="LineNr"> 39 </span>        <span class="Comment">// End Defined Recipe Checks</span>
+<a name="L40"></a><span id="L40" class="LineNr"> 40 </span>      <span class="Delimiter">}</span>
+<a name="L41"></a><span id="L41" class="LineNr"> 41 </span>    <span class="Delimiter">}</span>
+<a name="L42"></a><span id="L42" class="LineNr"> 42 </span>    <span class="Normal">finish_checking_instruction</span>:<span class="Delimiter">;</span>
+<a name="L43"></a><span id="L43" class="LineNr"> 43 </span>  <span class="Delimiter">}</span>
+<a name="L44"></a><span id="L44" class="LineNr"> 44 </span><span class="Delimiter">}</span>
+<a name="L45"></a><span id="L45" class="LineNr"> 45 </span>
+<a name="L46"></a><span id="L46" class="LineNr"> 46 </span><span class="Delimiter">:(scenario copy_checks_reagent_count)</span>
+<a name="L47"></a><span id="L47" class="LineNr"> 47 </span><span class="Special">% Hide_errors = true;</span>
+<a name="L48"></a><span id="L48" class="LineNr"> 48 </span><span class="muRecipe">def</span> main [
+<a name="L49"></a><span id="L49" class="LineNr"> 49 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">34</span><span class="Delimiter">,</span> <span class="Constant">35</span>
+<a name="L50"></a><span id="L50" class="LineNr"> 50 </span>]
+<a name="L51"></a><span id="L51" class="LineNr"> 51 </span><span class="traceContains">+error: main: ingredients and products should match in '1:num &lt;- copy 34, 35'</span>
+<a name="L52"></a><span id="L52" class="LineNr"> 52 </span>
+<a name="L53"></a><span id="L53" class="LineNr"> 53 </span><span class="Delimiter">:(scenario write_scalar_to_array_disallowed)</span>
+<a name="L54"></a><span id="L54" class="LineNr"> 54 </span><span class="Special">% Hide_errors = true;</span>
+<a name="L55"></a><span id="L55" class="LineNr"> 55 </span><span class="muRecipe">def</span> main [
+<a name="L56"></a><span id="L56" class="LineNr"> 56 </span>  <span class="Constant">1</span>:array:num<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
+<a name="L57"></a><span id="L57" class="LineNr"> 57 </span>]
+<a name="L58"></a><span id="L58" class="LineNr"> 58 </span><span class="traceContains">+error: main: can't copy '34' to '1:array:num'; types don't match</span>
+<a name="L59"></a><span id="L59" class="LineNr"> 59 </span>
+<a name="L60"></a><span id="L60" class="LineNr"> 60 </span><span class="Delimiter">:(scenario write_scalar_to_array_disallowed_2)</span>
+<a name="L61"></a><span id="L61" class="LineNr"> 61 </span><span class="Special">% Hide_errors = true;</span>
+<a name="L62"></a><span id="L62" class="LineNr"> 62 </span><span class="muRecipe">def</span> main [
+<a name="L63"></a><span id="L63" class="LineNr"> 63 </span>  <span class="Constant">1</span>:num<span class="Delimiter">,</span> <span class="Constant">2</span>:array:num<span class="Special"> &lt;- </span>copy <span class="Constant">34</span><span class="Delimiter">,</span> <span class="Constant">35</span>
+<a name="L64"></a><span id="L64" class="LineNr"> 64 </span>]
+<a name="L65"></a><span id="L65" class="LineNr"> 65 </span><span class="traceContains">+error: main: can't copy '35' to '2:array:num'; types don't match</span>
+<a name="L66"></a><span id="L66" class="LineNr"> 66 </span>
+<a name="L67"></a><span id="L67" class="LineNr"> 67 </span><span class="Delimiter">:(scenario write_scalar_to_address_disallowed)</span>
+<a name="L68"></a><span id="L68" class="LineNr"> 68 </span><span class="Special">% Hide_errors = true;</span>
+<a name="L69"></a><span id="L69" class="LineNr"> 69 </span><span class="muRecipe">def</span> main [
+<a name="L70"></a><span id="L70" class="LineNr"> 70 </span>  <span class="Constant">1</span>:address:num<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
+<a name="L71"></a><span id="L71" class="LineNr"> 71 </span>]
+<a name="L72"></a><span id="L72" class="LineNr"> 72 </span><span class="traceContains">+error: main: can't copy '34' to '1:address:num'; types don't match</span>
+<a name="L73"></a><span id="L73" class="LineNr"> 73 </span>
+<a name="L74"></a><span id="L74" class="LineNr"> 74 </span><span class="Delimiter">:(scenario write_address_to_number_allowed)</span>
+<a name="L75"></a><span id="L75" class="LineNr"> 75 </span><span class="muRecipe">def</span> main [
+<a name="L76"></a><span id="L76" class="LineNr"> 76 </span>  <span class="Constant">1</span>:address:num<span class="Special"> &lt;- </span>copy <span class="Constant">12</span>/unsafe
+<a name="L77"></a><span id="L77" class="LineNr"> 77 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">1</span>:address:num
+<a name="L78"></a><span id="L78" class="LineNr"> 78 </span>]
+<a name="L79"></a><span id="L79" class="LineNr"> 79 </span><span class="traceContains">+mem: storing 12 in location 2</span>
+<a name="L80"></a><span id="L80" class="LineNr"> 80 </span>$error: <span class="Constant">0</span>
+<a name="L81"></a><span id="L81" class="LineNr"> 81 </span>
+<a name="L82"></a><span id="L82" class="LineNr"> 82 </span><span class="Delimiter">:(scenario write_boolean_to_number_allowed)</span>
+<a name="L83"></a><span id="L83" class="LineNr"> 83 </span><span class="muRecipe">def</span> main [
+<a name="L84"></a><span id="L84" class="LineNr"> 84 </span>  <span class="Constant">1</span>:<span class="Normal">bool</span><span class="Special"> &lt;- </span>copy <span class="Constant">1</span>/<span class="Constant">true</span>
+<a name="L85"></a><span id="L85" class="LineNr"> 85 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">1</span>:<span class="Normal">bool</span>
+<a name="L86"></a><span id="L86" class="LineNr"> 86 </span>]
+<a name="L87"></a><span id="L87" class="LineNr"> 87 </span><span class="traceContains">+mem: storing 1 in location 2</span>
+<a name="L88"></a><span id="L88" class="LineNr"> 88 </span>$error: <span class="Constant">0</span>
+<a name="L89"></a><span id="L89" class="LineNr"> 89 </span>
+<a name="L90"></a><span id="L90" class="LineNr"> 90 </span><span class="Delimiter">:(scenario write_number_to_boolean_allowed)</span>
+<a name="L91"></a><span id="L91" class="LineNr"> 91 </span><span class="muRecipe">def</span> main [
+<a name="L92"></a><span id="L92" class="LineNr"> 92 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
+<a name="L93"></a><span id="L93" class="LineNr"> 93 </span>  <span class="Constant">2</span>:<span class="Normal">bool</span><span class="Special"> &lt;- </span>copy <span class="Constant">1</span>:num
+<a name="L94"></a><span id="L94" class="LineNr"> 94 </span>]
+<a name="L95"></a><span id="L95" class="LineNr"> 95 </span><span class="traceContains">+mem: storing 34 in location 2</span>
+<a name="L96"></a><span id="L96" class="LineNr"> 96 </span>$error: <span class="Constant">0</span>
+<a name="L97"></a><span id="L97" class="LineNr"> 97 </span>
+<a name="L98"></a><span id="L98" class="LineNr"> 98 </span><span class="Delimiter">:(code)</span>
+<a name="L99"></a><span id="L99" class="LineNr"> 99 </span><span class="Comment">// types_match with some leniency</span>
+<a name="L100"></a><span id="L100" class="LineNr">100 </span><span class="Normal">bool</span> types_coercible<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; to<span class="Delimiter">,</span> <span class="Normal">const</span> reagent&amp; from<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<a name="L101"></a><span id="L101" class="LineNr">101 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>types_match<span class="Delimiter">(</span>to<span class="Delimiter">,</span> from<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
+<a name="L102"></a><span id="L102" class="LineNr">102 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>is_mu_address<span class="Delimiter">(</span>from<span class="Delimiter">)</span> &amp;&amp; is_mu_number<span class="Delimiter">(</span>to<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
+<a name="L103"></a><span id="L103" class="LineNr">103 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>is_mu_boolean<span class="Delimiter">(</span>from<span class="Delimiter">)</span> &amp;&amp; is_mu_number<span class="Delimiter">(</span>to<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
+<a name="L104"></a><span id="L104" class="LineNr">104 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>is_mu_number<span class="Delimiter">(</span>from<span class="Delimiter">)</span> &amp;&amp; is_mu_boolean<span class="Delimiter">(</span>to<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
+<a name="L105"></a><span id="L105" class="LineNr">105 </span>  <span class="Comment">// End types_coercible Special-cases</span>
+<a name="L106"></a><span id="L106" class="LineNr">106 </span>  <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<a name="L107"></a><span id="L107" class="LineNr">107 </span><span class="Delimiter">}</span>
+<a name="L108"></a><span id="L108" class="LineNr">108 </span>
+<a name="L109"></a><span id="L109" class="LineNr">109 </span><span class="Normal">bool</span> types_match<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; to<span class="Delimiter">,</span> <span class="Normal">const</span> reagent&amp; from<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<a name="L110"></a><span id="L110" class="LineNr">110 </span>  <span class="Comment">// to sidestep type-checking, use /unsafe in the source.</span>
+<a name="L111"></a><span id="L111" class="LineNr">111 </span>  <span class="Comment">// this will be highlighted in red inside vim. just for setting up some tests.</span>
+<a name="L112"></a><span id="L112" class="LineNr">112 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>is_unsafe<span class="Delimiter">(</span>from<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
+<a name="L113"></a><span id="L113" class="LineNr">113 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>is_literal<span class="Delimiter">(</span>from<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<a name="L114"></a><span id="L114" class="LineNr">114 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>is_mu_array<span class="Delimiter">(</span>to<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<a name="L115"></a><span id="L115" class="LineNr">115 </span>    <span class="Comment">// End Matching Types For Literal(to)</span>
+<a name="L116"></a><span id="L116" class="LineNr">116 </span>    <span class="Comment">// allow writing 0 to any address</span>
+<a name="L117"></a><span id="L117" class="LineNr">117 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>is_mu_address<span class="Delimiter">(</span>to<span class="Delimiter">))</span> <span class="Identifier">return</span> from<span class="Delimiter">.</span>name == <span class="Constant">&quot;0&quot;</span><span class="Delimiter">;</span>
+<a name="L118"></a><span id="L118" class="LineNr">118 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!to<span class="Delimiter">.</span>type<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<a name="L119"></a><span id="L119" class="LineNr">119 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>to<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>atom &amp;&amp; to<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>value == get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;boolean&quot;</span><span class="Delimiter">))</span>
+<a name="L120"></a><span id="L120" class="LineNr">120 </span>      <span class="Identifier">return</span> from<span class="Delimiter">.</span>name == <span class="Constant">&quot;0&quot;</span> || from<span class="Delimiter">.</span>name == <span class="Constant">&quot;1&quot;</span><span class="Delimiter">;</span>
+<a name="L121"></a><span id="L121" class="LineNr">121 </span>    <span class="Identifier">return</span> size_of<span class="Delimiter">(</span>to<span class="Delimiter">)</span> == <span class="Constant">1</span><span class="Delimiter">;</span>  <span class="Comment">// literals are always scalars</span>
+<a name="L122"></a><span id="L122" class="LineNr">122 </span>  <span class="Delimiter">}</span>
+<a name="L123"></a><span id="L123" class="LineNr">123 </span>  <span class="Identifier">return</span> types_strictly_match<span class="Delimiter">(</span>to<span class="Delimiter">,</span> from<span class="Delimiter">);</span>
+<a name="L124"></a><span id="L124" class="LineNr">124 </span><span class="Delimiter">}</span>
+<a name="L125"></a><span id="L125" class="LineNr">125 </span>
+<a name="L126"></a><span id="L126" class="LineNr">126 </span><span class="Comment">//: copy arguments for later layers</span>
+<a name="L127"></a><span id="L127" class="LineNr">127 </span><span class="Normal">bool</span> types_strictly_match<span class="Delimiter">(</span>reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> to<span class="Delimiter">,</span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> from<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<a name="L128"></a><span id="L128" class="LineNr">128 </span>  <span class="Comment">// End Preprocess types_strictly_match(reagent to, reagent from)</span>
+<a name="L129"></a><span id="L129" class="LineNr">129 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>is_literal<span class="Delimiter">(</span>from<span class="Delimiter">)</span> &amp;&amp; to<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>value == get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;number&quot;</span><span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
+<a name="L130"></a><span id="L130" class="LineNr">130 </span>  <span class="Comment">// to sidestep type-checking, use /unsafe in the source.</span>
+<a name="L131"></a><span id="L131" class="LineNr">131 </span>  <span class="Comment">// this will be highlighted in red inside vim. just for setting up some tests.</span>
+<a name="L132"></a><span id="L132" class="LineNr">132 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>is_unsafe<span class="Delimiter">(</span>from<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
+<a name="L133"></a><span id="L133" class="LineNr">133 </span>  <span class="Comment">// '_' never raises type error</span>
+<a name="L134"></a><span id="L134" class="LineNr">134 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>is_dummy<span class="Delimiter">(</span>to<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
+<a name="L135"></a><span id="L135" class="LineNr">135 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!to<span class="Delimiter">.</span>type<span class="Delimiter">)</span> <span class="Identifier">return</span> !from<span class="Delimiter">.</span>type<span class="Delimiter">;</span>
+<a name="L136"></a><span id="L136" class="LineNr">136 </span>  <span class="Identifier">return</span> types_strictly_match<span class="Delimiter">(</span>to<span class="Delimiter">.</span>type<span class="Delimiter">,</span> from<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
+<a name="L137"></a><span id="L137" class="LineNr">137 </span><span class="Delimiter">}</span>
+<a name="L138"></a><span id="L138" class="LineNr">138 </span>
+<a name="L139"></a><span id="L139" class="LineNr">139 </span><span class="Normal">bool</span> types_strictly_match<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* to<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree* from<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<a name="L140"></a><span id="L140" class="LineNr">140 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>from == to<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
+<a name="L141"></a><span id="L141" class="LineNr">141 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!to<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<a name="L142"></a><span id="L142" class="LineNr">142 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!from<span class="Delimiter">)</span> <span class="Identifier">return</span> to<span class="Delimiter">-&gt;</span>atom &amp;&amp; to<span class="Delimiter">-&gt;</span>value == <span class="Constant">0</span><span class="Delimiter">;</span>
+<a name="L143"></a><span id="L143" class="LineNr">143 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>from<span class="Delimiter">-&gt;</span>atom != to<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<a name="L144"></a><span id="L144" class="LineNr">144 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>from<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<a name="L145"></a><span id="L145" class="LineNr">145 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>from<span class="Delimiter">-&gt;</span>value == -<span class="Constant">1</span><span class="Delimiter">)</span> <span class="Identifier">return</span> from<span class="Delimiter">-&gt;</span>name == to<span class="Delimiter">-&gt;</span>name<span class="Delimiter">;</span>
+<a name="L146"></a><span id="L146" class="LineNr">146 </span>    <span class="Identifier">return</span> from<span class="Delimiter">-&gt;</span>value == to<span class="Delimiter">-&gt;</span>value<span class="Delimiter">;</span>
+<a name="L147"></a><span id="L147" class="LineNr">147 </span>  <span class="Delimiter">}</span>
+<a name="L148"></a><span id="L148" class="LineNr">148 </span>  <span class="Identifier">return</span> types_strictly_match<span class="Delimiter">(</span>to<span class="Delimiter">-&gt;</span>left<span class="Delimiter">,</span> from<span class="Delimiter">-&gt;</span>left<span class="Delimiter">)</span> &amp;&amp; types_strictly_match<span class="Delimiter">(</span>to<span class="Delimiter">-&gt;</span>right<span class="Delimiter">,</span> from<span class="Delimiter">-&gt;</span>right<span class="Delimiter">);</span>
+<a name="L149"></a><span id="L149" class="LineNr">149 </span><span class="Delimiter">}</span>
+<a name="L150"></a><span id="L150" class="LineNr">150 </span>
+<a name="L151"></a><span id="L151" class="LineNr">151 </span><span class="Normal">void</span> test_unknown_type_does_not_match_unknown_type<span class="Delimiter">()</span> <span class="Delimiter">{</span>
+<a name="L152"></a><span id="L152" class="LineNr">152 </span>  reagent a<span class="Delimiter">(</span><span class="Constant">&quot;a:foo&quot;</span><span class="Delimiter">);</span>
+<a name="L153"></a><span id="L153" class="LineNr">153 </span>  reagent b<span class="Delimiter">(</span><span class="Constant">&quot;b:bar&quot;</span><span class="Delimiter">);</span>
+<a name="L154"></a><span id="L154" class="LineNr">154 </span>  CHECK<span class="Delimiter">(</span>!types_strictly_match<span class="Delimiter">(</span>a<span class="Delimiter">,</span> b<span class="Delimiter">));</span>
+<a name="L155"></a><span id="L155" class="LineNr">155 </span><span class="Delimiter">}</span>
+<a name="L156"></a><span id="L156" class="LineNr">156 </span>
+<a name="L157"></a><span id="L157" class="LineNr">157 </span><span class="Normal">void</span> test_unknown_type_matches_itself<span class="Delimiter">()</span> <span class="Delimiter">{</span>
+<a name="L158"></a><span id="L158" class="LineNr">158 </span>  reagent a<span class="Delimiter">(</span><span class="Constant">&quot;a:foo&quot;</span><span class="Delimiter">);</span>
+<a name="L159"></a><span id="L159" class="LineNr">159 </span>  reagent b<span class="Delimiter">(</span><span class="Constant">&quot;b:foo&quot;</span><span class="Delimiter">);</span>
+<a name="L160"></a><span id="L160" class="LineNr">160 </span>  CHECK<span class="Delimiter">(</span>types_strictly_match<span class="Delimiter">(</span>a<span class="Delimiter">,</span> b<span class="Delimiter">));</span>
+<a name="L161"></a><span id="L161" class="LineNr">161 </span><span class="Delimiter">}</span>
+<a name="L162"></a><span id="L162" class="LineNr">162 </span>
+<a name="L163"></a><span id="L163" class="LineNr">163 </span><span class="Comment">//: helpers</span>
+<a name="L164"></a><span id="L164" class="LineNr">164 </span>
+<a name="L165"></a><span id="L165" class="LineNr">165 </span><span class="Normal">bool</span> is_unsafe<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<a name="L166"></a><span id="L166" class="LineNr">166 </span>  <span class="Identifier">return</span> has_property<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">&quot;unsafe&quot;</span><span class="Delimiter">);</span>
+<a name="L167"></a><span id="L167" class="LineNr">167 </span><span class="Delimiter">}</span>
+<a name="L168"></a><span id="L168" class="LineNr">168 </span>
+<a name="L169"></a><span id="L169" class="LineNr">169 </span><span class="Normal">bool</span> is_mu_array<span class="Delimiter">(</span>reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<a name="L170"></a><span id="L170" class="LineNr">170 </span>  <span class="Comment">// End Preprocess is_mu_array(reagent r)</span>
+<a name="L171"></a><span id="L171" class="LineNr">171 </span>  <span class="Identifier">return</span> is_mu_array<span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
+<a name="L172"></a><span id="L172" class="LineNr">172 </span><span class="Delimiter">}</span>
+<a name="L173"></a><span id="L173" class="LineNr">173 </span><span class="Normal">bool</span> is_mu_array<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<a name="L174"></a><span id="L174" class="LineNr">174 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<a name="L175"></a><span id="L175" class="LineNr">175 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>is_literal<span class="Delimiter">(</span>type<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<a name="L176"></a><span id="L176" class="LineNr">176 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<a name="L177"></a><span id="L177" class="LineNr">177 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<a name="L178"></a><span id="L178" class="LineNr">178 </span>    raise &lt;&lt; <span class="Constant">&quot;invalid type &quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>type<span class="Delimiter">)</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; end<span class="Delimiter">();</span>
+<a name="L179"></a><span id="L179" class="LineNr">179 </span>    <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<a name="L180"></a><span id="L180" class="LineNr">180 </span>  <span class="Delimiter">}</span>
+<a name="L181"></a><span id="L181" class="LineNr">181 </span>  <span class="Identifier">return</span> type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>value == get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;array&quot;</span><span class="Delimiter">);</span>
+<a name="L182"></a><span id="L182" class="LineNr">182 </span><span class="Delimiter">}</span>
+<a name="L183"></a><span id="L183" class="LineNr">183 </span>
+<a name="L184"></a><span id="L184" class="LineNr">184 </span><span class="Normal">bool</span> is_mu_address<span class="Delimiter">(</span>reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<a name="L185"></a><span id="L185" class="LineNr">185 </span>  <span class="Comment">// End Preprocess is_mu_address(reagent r)</span>
+<a name="L186"></a><span id="L186" class="LineNr">186 </span>  <span class="Identifier">return</span> is_mu_address<span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
+<a name="L187"></a><span id="L187" class="LineNr">187 </span><span class="Delimiter">}</span>
+<a name="L188"></a><span id="L188" class="LineNr">188 </span><span class="Normal">bool</span> is_mu_address<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<a name="L189"></a><span id="L189" class="LineNr">189 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<a name="L190"></a><span id="L190" class="LineNr">190 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>is_literal<span class="Delimiter">(</span>type<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<a name="L191"></a><span id="L191" class="LineNr">191 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<a name="L192"></a><span id="L192" class="LineNr">192 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<a name="L193"></a><span id="L193" class="LineNr">193 </span>    raise &lt;&lt; <span class="Constant">&quot;invalid type &quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>type<span class="Delimiter">)</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; end<span class="Delimiter">();</span>
+<a name="L194"></a><span id="L194" class="LineNr">194 </span>    <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<a name="L195"></a><span id="L195" class="LineNr">195 </span>  <span class="Delimiter">}</span>
+<a name="L196"></a><span id="L196" class="LineNr">196 </span>  <span class="Identifier">return</span> type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>value == get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;address&quot;</span><span class="Delimiter">);</span>
+<a name="L197"></a><span id="L197" class="LineNr">197 </span><span class="Delimiter">}</span>
+<a name="L198"></a><span id="L198" class="LineNr">198 </span>
+<a name="L199"></a><span id="L199" class="LineNr">199 </span><span class="Normal">bool</span> is_mu_boolean<span class="Delimiter">(</span>reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<a name="L200"></a><span id="L200" class="LineNr">200 </span>  <span class="Comment">// End Preprocess is_mu_boolean(reagent r)</span>
+<a name="L201"></a><span id="L201" class="LineNr">201 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!r<span class="Delimiter">.</span>type<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<a name="L202"></a><span id="L202" class="LineNr">202 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>is_literal<span class="Delimiter">(</span>r<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<a name="L203"></a><span id="L203" class="LineNr">203 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<a name="L204"></a><span id="L204" class="LineNr">204 </span>  <span class="Identifier">return</span> r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>value == get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;boolean&quot;</span><span class="Delimiter">);</span>
+<a name="L205"></a><span id="L205" class="LineNr">205 </span><span class="Delimiter">}</span>
+<a name="L206"></a><span id="L206" class="LineNr">206 </span>
+<a name="L207"></a><span id="L207" class="LineNr">207 </span><span class="Normal">bool</span> is_mu_number<span class="Delimiter">(</span>reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<a name="L208"></a><span id="L208" class="LineNr">208 </span>  <span class="Comment">// End Preprocess is_mu_number(reagent r)</span>
+<a name="L209"></a><span id="L209" class="LineNr">209 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!r<span class="Delimiter">.</span>type<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<a name="L210"></a><span id="L210" class="LineNr">210 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<a name="L211"></a><span id="L211" class="LineNr">211 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>is_literal<span class="Delimiter">(</span>r<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<a name="L212"></a><span id="L212" class="LineNr">212 </span>    <span class="Identifier">return</span> r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;literal-fractional-number&quot;</span>
+<a name="L213"></a><span id="L213" class="LineNr">213 </span>        || r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;literal&quot;</span><span class="Delimiter">;</span>
+<a name="L214"></a><span id="L214" class="LineNr">214 </span>  <span class="Delimiter">}</span>
+<a name="L215"></a><span id="L215" class="LineNr">215 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>value == get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;character&quot;</span><span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>  <span class="Comment">// permit arithmetic on unicode code points</span>
+<a name="L216"></a><span id="L216" class="LineNr">216 </span>  <span class="Identifier">return</span> r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>value == get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;number&quot;</span><span class="Delimiter">);</span>
+<a name="L217"></a><span id="L217" class="LineNr">217 </span><span class="Delimiter">}</span>
+<a name="L218"></a><span id="L218" class="LineNr">218 </span>
+<a name="L219"></a><span id="L219" class="LineNr">219 </span><span class="Normal">bool</span> is_mu_character<span class="Delimiter">(</span>reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<a name="L220"></a><span id="L220" class="LineNr">220 </span>  <span class="Comment">// End Preprocess is_mu_character(reagent r)</span>
+<a name="L221"></a><span id="L221" class="LineNr">221 </span>  <span class="Identifier">return</span> is_mu_character<span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
+<a name="L222"></a><span id="L222" class="LineNr">222 </span><span class="Delimiter">}</span>
+<a name="L223"></a><span id="L223" class="LineNr">223 </span><span class="Normal">bool</span> is_mu_character<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<a name="L224"></a><span id="L224" class="LineNr">224 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<a name="L225"></a><span id="L225" class="LineNr">225 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<a name="L226"></a><span id="L226" class="LineNr">226 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>is_literal<span class="Delimiter">(</span>type<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<a name="L227"></a><span id="L227" class="LineNr">227 </span>  <span class="Identifier">return</span> type<span class="Delimiter">-&gt;</span>value == get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;character&quot;</span><span class="Delimiter">);</span>
+<a name="L228"></a><span id="L228" class="LineNr">228 </span><span class="Delimiter">}</span>
+<a name="L229"></a><span id="L229" class="LineNr">229 </span>
+<a name="L230"></a><span id="L230" class="LineNr">230 </span><span class="Normal">bool</span> is_mu_scalar<span class="Delimiter">(</span>reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<a name="L231"></a><span id="L231" class="LineNr">231 </span>  <span class="Identifier">return</span> is_mu_scalar<span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
+<a name="L232"></a><span id="L232" class="LineNr">232 </span><span class="Delimiter">}</span>
+<a name="L233"></a><span id="L233" class="LineNr">233 </span><span class="Normal">bool</span> is_mu_scalar<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<a name="L234"></a><span id="L234" class="LineNr">234 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<a name="L235"></a><span id="L235" class="LineNr">235 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>is_mu_address<span class="Delimiter">(</span>type<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
+<a name="L236"></a><span id="L236" class="LineNr">236 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<a name="L237"></a><span id="L237" class="LineNr">237 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>is_literal<span class="Delimiter">(</span>type<span class="Delimiter">))</span>
+<a name="L238"></a><span id="L238" class="LineNr">238 </span>    <span class="Identifier">return</span> type<span class="Delimiter">-&gt;</span>name != <span class="Constant">&quot;literal-string&quot;</span><span class="Delimiter">;</span>
+<a name="L239"></a><span id="L239" class="LineNr">239 </span>  <span class="Identifier">return</span> size_of<span class="Delimiter">(</span>type<span class="Delimiter">)</span> == <span class="Constant">1</span><span class="Delimiter">;</span>
+<a name="L240"></a><span id="L240" class="LineNr">240 </span><span class="Delimiter">}</span>
 </pre>
 </body>
 </html>