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authorKartik K. Agaram <vc@akkartik.com>2016-05-21 17:44:53 -0700
committerKartik K. Agaram <vc@akkartik.com>2016-05-21 17:44:53 -0700
commit2f02189ddcdeb7d25b0ca9bd5b955b764d41a1a7 (patch)
tree7c2e8b6e37ae3201dc01e90bcb390ee60b7f4a77 /html/057shape_shifting_container.cc.html
parent61c025b11ed4ddd002f09f061fd77c75d8b6d0ba (diff)
downloadmu-2f02189ddcdeb7d25b0ca9bd5b955b764d41a1a7.tar.gz
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-<title>Mu - 057shape_shifting_container.cc</title>
-<meta name="Generator" content="Vim/7.4">
-<meta name="plugin-version" content="vim7.4_v2">
-<meta name="syntax" content="cpp">
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-.SalientComment { color: #00ffff; }
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--->
-</style>
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-<script type='text/javascript'>
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-
--->
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-</head>
-<body>
-<pre id='vimCodeElement'>
-<span class="SalientComment">//:: Container definitions can contain 'type ingredients'</span>
-
-<span class="Delimiter">:(scenario size_of_shape_shifting_container)</span>
-container foo:_t [
-  <span class="Normal">x</span>:_t
-  <span class="Normal">y</span>:number
-]
-def main [
-  <span class="Constant">1</span>:foo:number<span class="Special"> &lt;- </span>merge <span class="Constant">12</span><span class="Delimiter">,</span> <span class="Constant">13</span>
-  <span class="Constant">3</span>:foo:point<span class="Special"> &lt;- </span>merge <span class="Constant">14</span><span class="Delimiter">,</span> <span class="Constant">15</span><span class="Delimiter">,</span> <span class="Constant">16</span>
-]
-<span class="traceContains">+mem: storing 12 in location 1</span>
-<span class="traceContains">+mem: storing 13 in location 2</span>
-<span class="traceContains">+mem: storing 14 in location 3</span>
-<span class="traceContains">+mem: storing 15 in location 4</span>
-<span class="traceContains">+mem: storing 16 in location 5</span>
-
-<span class="Delimiter">:(scenario size_of_shape_shifting_container_2)</span>
-<span class="Comment"># multiple type ingredients</span>
-container foo:_a:_b [
-  <span class="Normal">x</span>:_a
-  <span class="Normal">y</span>:_b
-]
-def main [
-  <span class="Constant">1</span>:foo:number:boolean<span class="Special"> &lt;- </span>merge <span class="Constant">34</span><span class="Delimiter">,</span> <span class="Constant">1</span>/<span class="Constant">true</span>
-]
-$error: <span class="Constant">0</span>
-
-<span class="Delimiter">:(scenario size_of_shape_shifting_container_3)</span>
-container foo:_a:_b [
-  <span class="Normal">x</span>:_a
-  <span class="Normal">y</span>:_b
-]
-def main [
-  <span class="Constant">1</span>:address:array:character<span class="Special"> &lt;- </span><span class="Normal">new</span> [abc]
-  <span class="Comment"># compound types for type ingredients</span>
-  <span class="Delimiter">{</span><span class="Constant">2</span>: <span class="Delimiter">(</span>foo number <span class="Delimiter">(</span>address array character<span class="Delimiter">))}</span><span class="Special"> &lt;- </span>merge <span class="Constant">34</span>/x<span class="Delimiter">,</span> <span class="Constant">1</span>:address:array:character/y
-]
-$error: <span class="Constant">0</span>
-
-<span class="Delimiter">:(scenario size_of_shape_shifting_container_4)</span>
-container foo:_a:_b [
-  <span class="Normal">x</span>:_a
-  <span class="Normal">y</span>:_b
-]
-container bar:_a:_b [
-  <span class="Comment"># dilated element</span>
-  <span class="Delimiter">{</span>data: <span class="Delimiter">(</span>foo _a <span class="Delimiter">(</span>address _b<span class="Delimiter">))}</span>
-]
-def main [
-  <span class="Constant">1</span>:address:array:character<span class="Special"> &lt;- </span><span class="Normal">new</span> [abc]
-  <span class="Constant">2</span>:bar:number:array:character<span class="Special"> &lt;- </span>merge <span class="Constant">34</span>/x<span class="Delimiter">,</span> <span class="Constant">1</span>:address:array:character/y
-]
-$error: <span class="Constant">0</span>
-
-<span class="Delimiter">:(before &quot;End Globals&quot;)</span>
-<span class="Comment">// We'll use large type ordinals to mean &quot;the following type of the variable&quot;.</span>
-<span class="Normal">const</span> <span class="Normal">int</span> START_TYPE_INGREDIENTS = <span class="Constant">2000</span><span class="Delimiter">;</span>
-<span class="Delimiter">:(before &quot;End Commandline Parsing&quot;)</span>  <span class="Comment">// after loading .mu files</span>
-assert<span class="Delimiter">(</span>Next_type_ordinal &lt; START_TYPE_INGREDIENTS<span class="Delimiter">);</span>
-
-<span class="Delimiter">:(before &quot;End type_info Fields&quot;)</span>
-map&lt;string<span class="Delimiter">,</span> type_ordinal&gt; type_ingredient_names<span class="Delimiter">;</span>
-
-<span class="Comment">//: Suppress unknown type checks in shape-shifting containers.</span>
-
-<span class="Delimiter">:(before &quot;Check Container Field Types(info)&quot;)</span>
-<span class="Normal">if</span> <span class="Delimiter">(</span>!info<span class="Delimiter">.</span>type_ingredient_names<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
-
-<span class="Delimiter">:(before &quot;End container Name Refinements&quot;)</span>
-<span class="Normal">if</span> <span class="Delimiter">(</span>name<span class="Delimiter">.</span>find<span class="Delimiter">(</span><span class="Constant">':'</span><span class="Delimiter">)</span> != string::npos<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-  trace<span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;parse&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;container has type ingredients; parsing&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
-  read_type_ingredients<span class="Delimiter">(</span>name<span class="Delimiter">);</span>
-<span class="Delimiter">}</span>
-
-<span class="Delimiter">:(code)</span>
-<span class="Normal">void</span> read_type_ingredients<span class="Delimiter">(</span>string&amp; name<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-  string save_name = name<span class="Delimiter">;</span>
-  istringstream in<span class="Delimiter">(</span>save_name<span class="Delimiter">);</span>
-  name = slurp_until<span class="Delimiter">(</span>in<span class="Delimiter">,</span> <span class="Constant">':'</span><span class="Delimiter">);</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> name<span class="Delimiter">)</span> || get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> name<span class="Delimiter">)</span> == <span class="Constant">0</span><span class="Delimiter">)</span>
-    put<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> name<span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
-  type_info&amp; info = get_or_insert<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> name<span class="Delimiter">));</span>
-  <span class="Normal">int</span> next_type_ordinal = START_TYPE_INGREDIENTS<span class="Delimiter">;</span>
-  <span class="Normal">while</span> <span class="Delimiter">(</span>has_data<span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Delimiter">{</span>
-    string curr = slurp_until<span class="Delimiter">(</span>in<span class="Delimiter">,</span> <span class="Constant">':'</span><span class="Delimiter">);</span>
-    <span class="Normal">if</span> <span class="Delimiter">(</span>info<span class="Delimiter">.</span>type_ingredient_names<span class="Delimiter">.</span>find<span class="Delimiter">(</span>curr<span class="Delimiter">)</span> != info<span class="Delimiter">.</span>type_ingredient_names<span class="Delimiter">.</span>end<span class="Delimiter">())</span> <span class="Delimiter">{</span>
-      raise &lt;&lt; <span class="Constant">&quot;can't repeat type ingredient names in a single container definition: &quot;</span> &lt;&lt; curr &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; end<span class="Delimiter">();</span>
-      <span class="Identifier">return</span><span class="Delimiter">;</span>
-    <span class="Delimiter">}</span>
-    put<span class="Delimiter">(</span>info<span class="Delimiter">.</span>type_ingredient_names<span class="Delimiter">,</span> curr<span class="Delimiter">,</span> next_type_ordinal++<span class="Delimiter">);</span>
-  <span class="Delimiter">}</span>
-<span class="Delimiter">}</span>
-
-<span class="Delimiter">:(before &quot;End insert_container Special-cases&quot;)</span>
-<span class="Comment">// check for use of type ingredients</span>
-<span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_type_ingredient_name<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span>
-  type<span class="Delimiter">-&gt;</span>value = get<span class="Delimiter">(</span>info<span class="Delimiter">.</span>type_ingredient_names<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">);</span>
-<span class="Delimiter">}</span>
-<span class="Delimiter">:(code)</span>
-<span class="Normal">bool</span> is_type_ingredient_name<span class="Delimiter">(</span><span class="Normal">const</span> string&amp; type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-  <span class="Identifier">return</span> !type<span class="Delimiter">.</span>empty<span class="Delimiter">()</span> &amp;&amp; type<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> == <span class="Constant">'_'</span><span class="Delimiter">;</span>
-<span class="Delimiter">}</span>
-
-<span class="Delimiter">:(before &quot;End Container Type Checks&quot;)</span>
-<span class="Normal">if</span> <span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>value &gt;= START_TYPE_INGREDIENTS
-    &amp;&amp; <span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>value - START_TYPE_INGREDIENTS<span class="Delimiter">)</span> &lt; SIZE<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">).</span>type_ingredient_names<span class="Delimiter">))</span>
-  <span class="Identifier">return</span><span class="Delimiter">;</span>
-
-<span class="Delimiter">:(scenario size_of_shape_shifting_exclusive_container)</span>
-exclusive-container foo:_t [
-  <span class="Normal">x</span>:_t
-  <span class="Normal">y</span>:number
-]
-def main [
-  <span class="Constant">1</span>:foo:number<span class="Special"> &lt;- </span>merge <span class="Constant">0</span>/x<span class="Delimiter">,</span> <span class="Constant">34</span>
-  <span class="Constant">3</span>:foo:point<span class="Special"> &lt;- </span>merge <span class="Constant">0</span>/x<span class="Delimiter">,</span> <span class="Constant">15</span><span class="Delimiter">,</span> <span class="Constant">16</span>
-  <span class="Constant">6</span>:foo:point<span class="Special"> &lt;- </span>merge <span class="Constant">1</span>/y<span class="Delimiter">,</span> <span class="Constant">23</span>
-]
-<span class="traceContains">+mem: storing 0 in location 1</span>
-<span class="traceContains">+mem: storing 34 in location 2</span>
-<span class="traceContains">+mem: storing 0 in location 3</span>
-<span class="traceContains">+mem: storing 15 in location 4</span>
-<span class="traceContains">+mem: storing 16 in location 5</span>
-<span class="traceContains">+mem: storing 1 in location 6</span>
-<span class="traceContains">+mem: storing 23 in location 7</span>
-$mem: <span class="Constant">7</span>
-
-<span class="Delimiter">:(scenario get_on_shape_shifting_container)</span>
-container foo:_t [
-  <span class="Normal">x</span>:_t
-  <span class="Normal">y</span>:number
-]
-def main [
-  <span class="Constant">1</span>:foo:point<span class="Special"> &lt;- </span>merge <span class="Constant">14</span><span class="Delimiter">,</span> <span class="Constant">15</span><span class="Delimiter">,</span> <span class="Constant">16</span>
-  <span class="Constant">2</span>:number<span class="Special"> &lt;- </span>get <span class="Constant">1</span>:foo:point<span class="Delimiter">,</span> y:offset
-]
-<span class="traceContains">+mem: storing 16 in location 2</span>
-
-<span class="Delimiter">:(scenario get_on_shape_shifting_container_2)</span>
-container foo:_t [
-  <span class="Normal">x</span>:_t
-  <span class="Normal">y</span>:number
-]
-def main [
-  <span class="Constant">1</span>:foo:point<span class="Special"> &lt;- </span>merge <span class="Constant">14</span><span class="Delimiter">,</span> <span class="Constant">15</span><span class="Delimiter">,</span> <span class="Constant">16</span>
-  <span class="Constant">2</span>:point<span class="Special"> &lt;- </span>get <span class="Constant">1</span>:foo:point<span class="Delimiter">,</span> x:offset
-]
-<span class="traceContains">+mem: storing 14 in location 2</span>
-<span class="traceContains">+mem: storing 15 in location 3</span>
-
-<span class="Delimiter">:(scenario get_on_shape_shifting_container_3)</span>
-container foo:_t [
-  <span class="Normal">x</span>:_t
-  <span class="Normal">y</span>:number
-]
-def main [
-  <span class="Constant">1</span>:foo:address:point<span class="Special"> &lt;- </span>merge <span class="Constant">34</span>/unsafe<span class="Delimiter">,</span> <span class="Constant">48</span>
-  <span class="Constant">3</span>:address:point<span class="Special"> &lt;- </span>get <span class="Constant">1</span>:foo:address:point<span class="Delimiter">,</span> x:offset
-]
-<span class="traceContains">+mem: storing 34 in location 3</span>
-
-<span class="Delimiter">:(scenario get_on_shape_shifting_container_inside_container)</span>
-container foo:_t [
-  <span class="Normal">x</span>:_t
-  <span class="Normal">y</span>:number
-]
-container bar [
-  <span class="Normal">x</span>:foo:point
-  <span class="Normal">y</span>:number
-]
-def main [
-  <span class="Constant">1</span>:bar<span class="Special"> &lt;- </span>merge <span class="Constant">14</span><span class="Delimiter">,</span> <span class="Constant">15</span><span class="Delimiter">,</span> <span class="Constant">16</span><span class="Delimiter">,</span> <span class="Constant">17</span>
-  <span class="Constant">2</span>:number<span class="Special"> &lt;- </span>get <span class="Constant">1</span>:bar<span class="Delimiter">,</span> <span class="Constant">1</span>:offset
-]
-<span class="traceContains">+mem: storing 17 in location 2</span>
-
-<span class="Delimiter">:(scenario get_on_complex_shape_shifting_container)</span>
-container foo:_a:_b [
-  <span class="Normal">x</span>:_a
-  <span class="Normal">y</span>:_b
-]
-def main [
-  <span class="Constant">1</span>:address:array:character<span class="Special"> &lt;- </span><span class="Normal">new</span> [abc]
-  <span class="Delimiter">{</span><span class="Constant">2</span>: <span class="Delimiter">(</span>foo number <span class="Delimiter">(</span>address array character<span class="Delimiter">))}</span><span class="Special"> &lt;- </span>merge <span class="Constant">34</span>/x<span class="Delimiter">,</span> <span class="Constant">1</span>:address:array:character/y
-  <span class="Constant">3</span>:address:array:character<span class="Special"> &lt;- </span>get <span class="Delimiter">{</span><span class="Constant">2</span>: <span class="Delimiter">(</span>foo number <span class="Delimiter">(</span>address array character<span class="Delimiter">))},</span> y:offset
-  <span class="Constant">4</span>:boolean<span class="Special"> &lt;- </span>equal <span class="Constant">1</span>:address:array:character<span class="Delimiter">,</span> <span class="Constant">3</span>:address:array:character
-]
-<span class="traceContains">+mem: storing 1 in location 4</span>
-
-<span class="Delimiter">:(before &quot;End element_type Special-cases&quot;)</span>
-<span class="Normal">if</span> <span class="Delimiter">(</span>contains_type_ingredient<span class="Delimiter">(</span>element<span class="Delimiter">))</span> <span class="Delimiter">{</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>!base<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">)</span>
-    raise &lt;&lt; <span class="Constant">&quot;illegal type &quot;</span> &lt;&lt; names_to_string<span class="Delimiter">(</span>base<span class="Delimiter">.</span>type<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; seems to be missing a type ingredient or three</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
-  replace_type_ingredients<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">,</span> base<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">,</span> info<span class="Delimiter">);</span>
-<span class="Delimiter">}</span>
-
-<span class="Delimiter">:(code)</span>
-<span class="Normal">bool</span> contains_type_ingredient<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> contains_type_ingredient<span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
-<span class="Delimiter">}</span>
-
-<span class="Normal">bool</span> contains_type_ingredient<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>value &gt;= START_TYPE_INGREDIENTS<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
-  assert<span class="Delimiter">(</span>!is_type_ingredient_name<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">));</span>
-  <span class="Identifier">return</span> contains_type_ingredient<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">)</span> || contains_type_ingredient<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">);</span>
-<span class="Delimiter">}</span>
-
-<span class="Comment">// replace all type_ingredients in element_type with corresponding elements of callsite_type</span>
-<span class="Comment">// todo: too complicated and likely incomplete; maybe avoid replacing in place?</span>
-<span class="Normal">void</span> replace_type_ingredients<span class="Delimiter">(</span>type_tree* element_type<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree* callsite_type<span class="Delimiter">,</span> <span class="Normal">const</span> type_info&amp; container_info<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>!callsite_type<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>  <span class="Comment">// error but it's already been raised above</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>!element_type<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
-
-  <span class="Comment">// A. recurse first to avoid nested replaces (which I can't reason about yet)</span>
-  replace_type_ingredients<span class="Delimiter">(</span>element_type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">,</span> callsite_type<span class="Delimiter">,</span> container_info<span class="Delimiter">);</span>
-  replace_type_ingredients<span class="Delimiter">(</span>element_type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">,</span> callsite_type<span class="Delimiter">,</span> container_info<span class="Delimiter">);</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>element_type<span class="Delimiter">-&gt;</span>value &lt; START_TYPE_INGREDIENTS<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
-
-  <span class="Normal">const</span> <span class="Normal">int</span> type_ingredient_index = element_type<span class="Delimiter">-&gt;</span>value-START_TYPE_INGREDIENTS<span class="Delimiter">;</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>!has_nth_type<span class="Delimiter">(</span>callsite_type<span class="Delimiter">,</span> type_ingredient_index<span class="Delimiter">))</span> <span class="Delimiter">{</span>
-    raise &lt;&lt; <span class="Constant">&quot;illegal type &quot;</span> &lt;&lt; names_to_string<span class="Delimiter">(</span>callsite_type<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; seems to be missing a type ingredient or three</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
-    <span class="Identifier">return</span><span class="Delimiter">;</span>
-  <span class="Delimiter">}</span>
-
-  <span class="Comment">// B. replace the current location</span>
-  <span class="Normal">const</span> type_tree* replacement = <span class="Constant">NULL</span><span class="Delimiter">;</span>
-  <span class="Normal">bool</span> splice_right = <span class="Constant">true</span> <span class="Delimiter">;</span>
-  <span class="Normal">bool</span> zig_left = <span class="Constant">false</span><span class="Delimiter">;</span>
-  <span class="Delimiter">{</span>
-    <span class="Normal">const</span> type_tree* curr = callsite_type<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; type_ingredient_index<span class="Delimiter">;</span> ++i<span class="Delimiter">)</span>
-      curr = curr<span class="Delimiter">-&gt;</span>right<span class="Delimiter">;</span>
-    <span class="Normal">if</span> <span class="Delimiter">(</span>curr &amp;&amp; curr<span class="Delimiter">-&gt;</span>left<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-      replacement = curr<span class="Delimiter">-&gt;</span>left<span class="Delimiter">;</span>
-      zig_left = <span class="Constant">true</span><span class="Delimiter">;</span>
-    <span class="Delimiter">}</span>
-    <span class="Normal">else</span> <span class="Delimiter">{</span>
-      <span class="Comment">// We want foo:_t to be used like foo:number, which expands to {foo: number}</span>
-      <span class="Comment">// rather than {foo: (number)}</span>
-      <span class="Comment">// We'd also like to use it with multiple types: foo:address:number.</span>
-      replacement = curr<span class="Delimiter">;</span>
-      <span class="Normal">if</span> <span class="Delimiter">(</span>!final_type_ingredient<span class="Delimiter">(</span>type_ingredient_index<span class="Delimiter">,</span> container_info<span class="Delimiter">))</span>
-        splice_right = <span class="Constant">false</span><span class="Delimiter">;</span>
-    <span class="Delimiter">}</span>
-  <span class="Delimiter">}</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>element_type<span class="Delimiter">-&gt;</span>right &amp;&amp; replacement<span class="Delimiter">-&gt;</span>right &amp;&amp; zig_left<span class="Delimiter">)</span> <span class="Delimiter">{</span>  <span class="Comment">// ZERO confidence that this condition is accurate</span>
-    element_type<span class="Delimiter">-&gt;</span>name = <span class="Constant">&quot;&quot;</span><span class="Delimiter">;</span>
-    element_type<span class="Delimiter">-&gt;</span>value = <span class="Constant">0</span><span class="Delimiter">;</span>
-    element_type<span class="Delimiter">-&gt;</span>left = <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*replacement<span class="Delimiter">);</span>
-  <span class="Delimiter">}</span>
-  <span class="Normal">else</span> <span class="Delimiter">{</span>
-    string old_name = element_type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">;</span>
-    element_type<span class="Delimiter">-&gt;</span>name = replacement<span class="Delimiter">-&gt;</span>name<span class="Delimiter">;</span>
-    element_type<span class="Delimiter">-&gt;</span>value = replacement<span class="Delimiter">-&gt;</span>value<span class="Delimiter">;</span>
-    assert<span class="Delimiter">(</span>!element_type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">);</span>  <span class="Comment">// since value is set</span>
-    element_type<span class="Delimiter">-&gt;</span>left = replacement<span class="Delimiter">-&gt;</span>left ? <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*replacement<span class="Delimiter">-&gt;</span>left<span class="Delimiter">)</span> : <span class="Constant">NULL</span><span class="Delimiter">;</span>
-    <span class="Normal">if</span> <span class="Delimiter">(</span>splice_right<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-      type_tree* old_right = element_type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">;</span>
-      element_type<span class="Delimiter">-&gt;</span>right = replacement<span class="Delimiter">-&gt;</span>right ? <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*replacement<span class="Delimiter">-&gt;</span>right<span class="Delimiter">)</span> : <span class="Constant">NULL</span><span class="Delimiter">;</span>
-      append<span class="Delimiter">(</span>element_type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">,</span> old_right<span class="Delimiter">);</span>
-    <span class="Delimiter">}</span>
-  <span class="Delimiter">}</span>
-<span class="Delimiter">}</span>
-
-<span class="Normal">bool</span> final_type_ingredient<span class="Delimiter">(</span><span class="Normal">int</span> type_ingredient_index<span class="Delimiter">,</span> <span class="Normal">const</span> type_info&amp; container_info<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-  <span class="Normal">for</span> <span class="Delimiter">(</span>map&lt;string<span class="Delimiter">,</span> type_ordinal&gt;::const_iterator p = container_info<span class="Delimiter">.</span>type_ingredient_names<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>
-       p != container_info<span class="Delimiter">.</span>type_ingredient_names<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>second &gt; START_TYPE_INGREDIENTS+type_ingredient_index<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> <span class="Constant">true</span><span class="Delimiter">;</span>
-<span class="Delimiter">}</span>
-
-<span class="Normal">void</span> append<span class="Delimiter">(</span>type_tree*&amp; base<span class="Delimiter">,</span> type_tree* extra<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>!base<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-    base = extra<span class="Delimiter">;</span>
-    <span class="Identifier">return</span><span class="Delimiter">;</span>
-  <span class="Delimiter">}</span>
-  type_tree* curr = base<span class="Delimiter">;</span>
-  <span class="Normal">while</span> <span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>right<span class="Delimiter">)</span> curr = curr<span class="Delimiter">-&gt;</span>right<span class="Delimiter">;</span>
-  curr<span class="Delimiter">-&gt;</span>right = extra<span class="Delimiter">;</span>
-<span class="Delimiter">}</span>
-
-<span class="Normal">void</span> append<span class="Delimiter">(</span>string_tree*&amp; base<span class="Delimiter">,</span> string_tree* extra<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>!base<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-    base = extra<span class="Delimiter">;</span>
-    <span class="Identifier">return</span><span class="Delimiter">;</span>
-  <span class="Delimiter">}</span>
-  string_tree* curr = base<span class="Delimiter">;</span>
-  <span class="Normal">while</span> <span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>right<span class="Delimiter">)</span> curr = curr<span class="Delimiter">-&gt;</span>right<span class="Delimiter">;</span>
-  curr<span class="Delimiter">-&gt;</span>right = extra<span class="Delimiter">;</span>
-<span class="Delimiter">}</span>
-
-<span class="Normal">void</span> test_replace_type_ingredients_entire<span class="Delimiter">()</span> <span class="Delimiter">{</span>
-  run<span class="Delimiter">(</span><span class="Constant">&quot;container foo:_elem [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-      <span class="Constant">&quot;  x:_elem</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-      <span class="Constant">&quot;  y:number</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>
-  reagent callsite<span class="Delimiter">(</span><span class="Constant">&quot;x:foo:point&quot;</span><span class="Delimiter">);</span>
-  reagent element = element_type<span class="Delimiter">(</span>callsite<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
-  CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;x&quot;</span><span class="Delimiter">);</span>
-  CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;point&quot;</span><span class="Delimiter">);</span>
-  CHECK<span class="Delimiter">(</span>!element<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">);</span>
-<span class="Delimiter">}</span>
-
-<span class="Normal">void</span> test_replace_type_ingredients_tail<span class="Delimiter">()</span> <span class="Delimiter">{</span>
-  run<span class="Delimiter">(</span><span class="Constant">&quot;container foo:_elem [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-      <span class="Constant">&quot;  x:_elem</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="Constant">&quot;container bar:_elem [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-      <span class="Constant">&quot;  x:foo:_elem</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>
-  reagent callsite<span class="Delimiter">(</span><span class="Constant">&quot;x:bar:point&quot;</span><span class="Delimiter">);</span>
-  reagent element = element_type<span class="Delimiter">(</span>callsite<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
-  CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;x&quot;</span><span class="Delimiter">);</span>
-  CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;foo&quot;</span><span class="Delimiter">);</span>
-  CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;point&quot;</span><span class="Delimiter">);</span>
-  CHECK<span class="Delimiter">(</span>!element<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">);</span>
-<span class="Delimiter">}</span>
-
-<span class="Normal">void</span> test_replace_type_ingredients_head_tail_multiple<span class="Delimiter">()</span> <span class="Delimiter">{</span>
-  run<span class="Delimiter">(</span><span class="Constant">&quot;container foo:_elem [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-      <span class="Constant">&quot;  x:_elem</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="Constant">&quot;container bar:_elem [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-      <span class="Constant">&quot;  x:foo:_elem</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>
-  reagent callsite<span class="Delimiter">(</span><span class="Constant">&quot;x:bar:address:array:character&quot;</span><span class="Delimiter">);</span>
-  reagent element = element_type<span class="Delimiter">(</span>callsite<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
-  CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;x&quot;</span><span class="Delimiter">);</span>
-  CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;foo&quot;</span><span class="Delimiter">);</span>
-  CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;address&quot;</span><span class="Delimiter">);</span>
-  CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;array&quot;</span><span class="Delimiter">);</span>
-  CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;character&quot;</span><span class="Delimiter">);</span>
-  CHECK<span class="Delimiter">(</span>!element<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">);</span>
-<span class="Delimiter">}</span>
-
-<span class="Normal">void</span> test_replace_type_ingredients_head_middle<span class="Delimiter">()</span> <span class="Delimiter">{</span>
-  run<span class="Delimiter">(</span><span class="Constant">&quot;container foo:_elem [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-      <span class="Constant">&quot;  x:_elem</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="Constant">&quot;container bar:_elem [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-      <span class="Constant">&quot;  x:foo:_elem:number</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>
-  reagent callsite<span class="Delimiter">(</span><span class="Constant">&quot;x:bar:address&quot;</span><span class="Delimiter">);</span>
-  reagent element = element_type<span class="Delimiter">(</span>callsite<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
-  CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;x&quot;</span><span class="Delimiter">);</span>
-  CHECK<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">)</span>
-  CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;foo&quot;</span><span class="Delimiter">);</span>
-  CHECK<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">)</span>
-  CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;address&quot;</span><span class="Delimiter">);</span>
-  CHECK<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">)</span>
-  CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;number&quot;</span><span class="Delimiter">);</span>
-  CHECK<span class="Delimiter">(</span>!element<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">);</span>
-<span class="Delimiter">}</span>
-
-<span class="Normal">void</span> test_replace_last_type_ingredient_with_multiple<span class="Delimiter">()</span> <span class="Delimiter">{</span>
-  run<span class="Delimiter">(</span><span class="Constant">&quot;container foo:_a:_b [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-      <span class="Constant">&quot;  x:_a</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-      <span class="Constant">&quot;  y:_b</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>
-  reagent callsite<span class="Delimiter">(</span><span class="Constant">&quot;{f: (foo number (address array character))}&quot;</span><span class="Delimiter">);</span>
-  reagent element1 = element_type<span class="Delimiter">(</span>callsite<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
-  CHECK_EQ<span class="Delimiter">(</span>element1<span class="Delimiter">.</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;x&quot;</span><span class="Delimiter">);</span>
-  CHECK_EQ<span class="Delimiter">(</span>element1<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;number&quot;</span><span class="Delimiter">);</span>
-  CHECK<span class="Delimiter">(</span>!element1<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">);</span>
-  reagent element2 = element_type<span class="Delimiter">(</span>callsite<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
-  CHECK_EQ<span class="Delimiter">(</span>element2<span class="Delimiter">.</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;y&quot;</span><span class="Delimiter">);</span>
-  CHECK_EQ<span class="Delimiter">(</span>element2<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;address&quot;</span><span class="Delimiter">);</span>
-  CHECK_EQ<span class="Delimiter">(</span>element2<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;array&quot;</span><span class="Delimiter">);</span>
-  CHECK_EQ<span class="Delimiter">(</span>element2<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;character&quot;</span><span class="Delimiter">);</span>
-  CHECK<span class="Delimiter">(</span>!element2<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">);</span>
-<span class="Delimiter">}</span>
-
-<span class="Normal">void</span> test_replace_middle_type_ingredient_with_multiple<span class="Delimiter">()</span> <span class="Delimiter">{</span>
-  run<span class="Delimiter">(</span><span class="Constant">&quot;container foo:_a:_b:_c [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-      <span class="Constant">&quot;  x:_a</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-      <span class="Constant">&quot;  y:_b</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-      <span class="Constant">&quot;  z:_c</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>
-  reagent callsite<span class="Delimiter">(</span><span class="Constant">&quot;{f: (foo number (address array character) boolean)}&quot;</span><span class="Delimiter">);</span>
-  reagent element1 = element_type<span class="Delimiter">(</span>callsite<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
-  CHECK_EQ<span class="Delimiter">(</span>element1<span class="Delimiter">.</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;x&quot;</span><span class="Delimiter">);</span>
-  CHECK_EQ<span class="Delimiter">(</span>element1<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;number&quot;</span><span class="Delimiter">);</span>
-  CHECK<span class="Delimiter">(</span>!element1<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">);</span>
-  reagent element2 = element_type<span class="Delimiter">(</span>callsite<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
-  CHECK_EQ<span class="Delimiter">(</span>element2<span class="Delimiter">.</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;y&quot;</span><span class="Delimiter">);</span>
-  CHECK_EQ<span class="Delimiter">(</span>element2<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;address&quot;</span><span class="Delimiter">);</span>
-  CHECK_EQ<span class="Delimiter">(</span>element2<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;array&quot;</span><span class="Delimiter">);</span>
-  CHECK_EQ<span class="Delimiter">(</span>element2<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;character&quot;</span><span class="Delimiter">);</span>
-  CHECK<span class="Delimiter">(</span>!element2<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">);</span>
-  reagent element3 = element_type<span class="Delimiter">(</span>callsite<span class="Delimiter">,</span> <span class="Constant">2</span><span class="Delimiter">);</span>
-  CHECK_EQ<span class="Delimiter">(</span>element3<span class="Delimiter">.</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;z&quot;</span><span class="Delimiter">);</span>
-  CHECK_EQ<span class="Delimiter">(</span>element3<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;boolean&quot;</span><span class="Delimiter">);</span>
-  CHECK<span class="Delimiter">(</span>!element3<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">);</span>
-<span class="Delimiter">}</span>
-
-<span class="Normal">void</span> test_replace_middle_type_ingredient_with_multiple2<span class="Delimiter">()</span> <span class="Delimiter">{</span>
-  run<span class="Delimiter">(</span><span class="Constant">&quot;container foo:_key:_value [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-      <span class="Constant">&quot;  key:_key</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-      <span class="Constant">&quot;  value:_value</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>
-  reagent callsite<span class="Delimiter">(</span><span class="Constant">&quot;{f: (foo (address array character) number)}&quot;</span><span class="Delimiter">);</span>
-  reagent element = element_type<span class="Delimiter">(</span>callsite<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
-  CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;key&quot;</span><span class="Delimiter">);</span>
-  CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;address&quot;</span><span class="Delimiter">);</span>
-  CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;array&quot;</span><span class="Delimiter">);</span>
-  CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;character&quot;</span><span class="Delimiter">);</span>
-  CHECK<span class="Delimiter">(</span>!element<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">);</span>
-<span class="Delimiter">}</span>
-
-<span class="Normal">void</span> test_replace_middle_type_ingredient_with_multiple3<span class="Delimiter">()</span> <span class="Delimiter">{</span>
-  run<span class="Delimiter">(</span><span class="Constant">&quot;container foo_table:_key:_value [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-      <span class="Constant">&quot;  data:address:array:foo_table_row:_key:_value</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="Constant">&quot;</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-      <span class="Constant">&quot;container foo_table_row:_key:_value [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-      <span class="Constant">&quot;  key:_key</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-      <span class="Constant">&quot;  value:_value</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>
-  reagent callsite<span class="Delimiter">(</span><span class="Constant">&quot;{f: (foo_table (address array character) number)}&quot;</span><span class="Delimiter">);</span>
-  reagent element = element_type<span class="Delimiter">(</span>callsite<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
-  CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;data&quot;</span><span class="Delimiter">);</span>
-  CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;address&quot;</span><span class="Delimiter">);</span>
-  CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;array&quot;</span><span class="Delimiter">);</span>
-  CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;foo_table_row&quot;</span><span class="Delimiter">);</span>
-    CHECK<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>left<span class="Delimiter">);</span>
-    CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;address&quot;</span><span class="Delimiter">);</span>
-    CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;array&quot;</span><span class="Delimiter">);</span>
-    CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;character&quot;</span><span class="Delimiter">);</span>
-  CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;number&quot;</span><span class="Delimiter">);</span>
-  CHECK<span class="Delimiter">(</span>!element<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">);</span>
-<span class="Delimiter">}</span>
-
-<span class="Normal">bool</span> has_nth_type<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* base<span class="Delimiter">,</span> <span class="Normal">int</span> n<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-  assert<span class="Delimiter">(</span>n &gt;= <span class="Constant">0</span><span class="Delimiter">);</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>base == <span class="Constant">NULL</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>n == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
-  <span class="Identifier">return</span> has_nth_type<span class="Delimiter">(</span>base<span class="Delimiter">-&gt;</span>right<span class="Delimiter">,</span> n-<span class="Constant">1</span><span class="Delimiter">);</span>
-<span class="Delimiter">}</span>
-
-<span class="Delimiter">:(scenario get_on_shape_shifting_container_error)</span>
-<span class="Special">% Hide_errors = true;</span>
-container foo:_t [
-  <span class="Normal">x</span>:_t
-  <span class="Normal">y</span>:number
-]
-def main [
-  <span class="Constant">10</span>:foo:point<span class="Special"> &lt;- </span>merge <span class="Constant">14</span><span class="Delimiter">,</span> <span class="Constant">15</span><span class="Delimiter">,</span> <span class="Constant">16</span>
-  <span class="Constant">1</span>:number<span class="Special"> &lt;- </span>get <span class="Constant">10</span>:foo<span class="Delimiter">,</span> <span class="Constant">1</span>:offset
-]
-<span class="traceContains">+error: illegal type &quot;foo&quot; seems to be missing a type ingredient or three</span>
-
-<span class="Comment">//: 'merge' on shape-shifting containers</span>
-
-<span class="Delimiter">:(scenario merge_check_shape_shifting_container_containing_exclusive_container)</span>
-container foo:_elem [
-  <span class="Normal">x</span>:number
-  <span class="Normal">y</span>:_elem
-]
-exclusive-container bar [
-  <span class="Normal">x</span>:number
-  <span class="Normal">y</span>:number
-]
-def main [
-  <span class="Constant">1</span>:foo:bar<span class="Special"> &lt;- </span>merge <span class="Constant">23</span><span class="Delimiter">,</span> <span class="Constant">1</span>/y<span class="Delimiter">,</span> <span class="Constant">34</span>
-]
-<span class="traceContains">+mem: storing 23 in location 1</span>
-<span class="traceContains">+mem: storing 1 in location 2</span>
-<span class="traceContains">+mem: storing 34 in location 3</span>
-$error: <span class="Constant">0</span>
-
-<span class="Delimiter">:(scenario merge_check_shape_shifting_container_containing_exclusive_container_2)</span>
-<span class="Special">% Hide_errors = true;</span>
-container foo:_elem [
-  <span class="Normal">x</span>:number
-  <span class="Normal">y</span>:_elem
-]
-exclusive-container bar [
-  <span class="Normal">x</span>:number
-  <span class="Normal">y</span>:number
-]
-def main [
-  <span class="Constant">1</span>:foo:bar<span class="Special"> &lt;- </span>merge <span class="Constant">23</span><span class="Delimiter">,</span> <span class="Constant">1</span>/y<span class="Delimiter">,</span> <span class="Constant">34</span><span class="Delimiter">,</span> <span class="Constant">35</span>
-]
-<span class="traceContains">+error: main: too many ingredients in '1:foo:bar &lt;- merge 23, 1/y, 34, 35'</span>
-
-<span class="Delimiter">:(scenario merge_check_shape_shifting_exclusive_container_containing_container)</span>
-exclusive-container foo:_elem [
-  <span class="Normal">x</span>:number
-  <span class="Normal">y</span>:_elem
-]
-container bar [
-  <span class="Normal">x</span>:number
-  <span class="Normal">y</span>:number
-]
-def main [
-  <span class="Constant">1</span>:foo:bar<span class="Special"> &lt;- </span>merge <span class="Constant">1</span>/y<span class="Delimiter">,</span> <span class="Constant">23</span><span class="Delimiter">,</span> <span class="Constant">34</span>
-]
-<span class="traceContains">+mem: storing 1 in location 1</span>
-<span class="traceContains">+mem: storing 23 in location 2</span>
-<span class="traceContains">+mem: storing 34 in location 3</span>
-$error: <span class="Constant">0</span>
-
-<span class="Delimiter">:(scenario merge_check_shape_shifting_exclusive_container_containing_container_2)</span>
-exclusive-container foo:_elem [
-  <span class="Normal">x</span>:number
-  <span class="Normal">y</span>:_elem
-]
-container bar [
-  <span class="Normal">x</span>:number
-  <span class="Normal">y</span>:number
-]
-def main [
-  <span class="Constant">1</span>:foo:bar<span class="Special"> &lt;- </span>merge <span class="Constant">0</span>/x<span class="Delimiter">,</span> <span class="Constant">23</span>
-]
-$error: <span class="Constant">0</span>
-
-<span class="Delimiter">:(scenario merge_check_shape_shifting_exclusive_container_containing_container_3)</span>
-<span class="Special">% Hide_errors = true;</span>
-exclusive-container foo:_elem [
-  <span class="Normal">x</span>:number
-  <span class="Normal">y</span>:_elem
-]
-container bar [
-  <span class="Normal">x</span>:number
-  <span class="Normal">y</span>:number
-]
-def main [
-  <span class="Constant">1</span>:foo:bar<span class="Special"> &lt;- </span>merge <span class="Constant">1</span>/y<span class="Delimiter">,</span> <span class="Constant">23</span>
-]
-<span class="traceContains">+error: main: too few ingredients in '1:foo:bar &lt;- merge 1/y, 23'</span>
-
-<span class="Delimiter">:(before &quot;End variant_type Special-cases&quot;)</span>
-<span class="Normal">if</span> <span class="Delimiter">(</span>contains_type_ingredient<span class="Delimiter">(</span>element<span class="Delimiter">))</span> <span class="Delimiter">{</span>
-  <span class="Normal">if</span> <span class="Delimiter">(</span>!base<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">)</span>
-    raise &lt;&lt; <span class="Constant">&quot;illegal type '&quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>base<span class="Delimiter">.</span>type<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;' seems to be missing a type ingredient or three</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
-  replace_type_ingredients<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">,</span> base<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">,</span> info<span class="Delimiter">);</span>
-<span class="Delimiter">}</span>
-</pre>
-</body>
-</html>
-<!-- vim: set foldmethod=manual : -->