ranger - mirror of ranger - a simple, vim-like file manager

	Commit message (Collapse)	Author	Age	Files	Lines
*	1.0.2! v1.0.2	hut	2010-01-14	1	-2/+2
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*	readme: added part "customizing ranger"	hut	2010-01-14	1	-0/+16
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*	readme: removed ugly sentence	hut	2010-01-14	1	-3/+1
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*	new minor version v1.0.1	hut	2010-01-02	1	-2/+2
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*	readme: updated	hut	2010-01-01	1	-4/+77
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*	decided to use python from now on	hut	2009-11-22	1	-1/+1
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*	Initial commit	hut	2009-11-16	1	-0/+11

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<a href='https://github.com/akkartik/mu/blob/master/045closure_name.cc'>https://github.com/akkartik/mu/blob/master/045closure_name.cc</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr">  1 </span><span class="Comment">//: Writing to a literal (not computed) address of 0 in a recipe chains two</span>
<span id="L2" class="LineNr">  2 </span><span class="Comment">//: spaces together. When a variable has a property of /space:1, it looks up</span>
<span id="L3" class="LineNr">  3 </span><span class="Comment">//: the variable in the chained/surrounding space. /space:2 looks up the</span>
<span id="L4" class="LineNr">  4 </span><span class="Comment">//: surrounding space of the surrounding space, etc.</span>
<span id="L5" class="LineNr">  5 </span><span class="Comment">//:</span>
<span id="L6" class="LineNr">  6 </span><span class="Comment">//: todo: warn on default-space abuse. default-space for one recipe should</span>
<span id="L7" class="LineNr">  7 </span><span class="Comment">//: never come from another, otherwise memory will be corrupted.</span>
<span id="L8" class="LineNr">  8 </span>
<span id="L9" class="LineNr">  9 </span><span class="Delimiter">:(scenario closure)</span>
<span id="L10" class="LineNr"> 10 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L11" class="LineNr"> 11 </span>  <span class="Normal">default</span>-space:space<span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Constant">location:type</span><span class="Delimiter">,</span> <span class="Constant">30</span>
<span id="L12" class="LineNr"> 12 </span>  <span class="Constant">2</span>:space/names:<span class="Normal">new</span>-counter<span class="Special"> &lt;- </span><span class="Normal">new</span>-counter
<span id="L13" class="LineNr"> 13 </span>  <span class="Constant">10</span>:num/<span class="Special">raw &lt;- </span>increment-counter <span class="Constant">2</span>:space/names:<span class="Normal">new</span>-counter
<span id="L14" class="LineNr"> 14 </span>  <span class="Constant">11</span>:num/<span class="Special">raw &lt;- </span>increment-counter <span class="Constant">2</span>:space/names:<span class="Normal">new</span>-counter
<span id="L15" class="LineNr"> 15 </span>]
<span id="L16" class="LineNr"> 16 </span><span class="muRecipe">def</span> <span class="Normal">new</span>-counter [
<span id="L17" class="LineNr"> 17 </span>  <span class="Normal">default</span>-space:space<span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Constant">location:type</span><span class="Delimiter">,</span> <span class="Constant">30</span>
<span id="L18" class="LineNr"> 18 </span>  <span class="Normal">x</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">23</span>
<span id="L19" class="LineNr"> 19 </span>  <span class="Normal">y</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">13</span>  <span class="Comment"># variable that will be incremented</span>
<span id="L20" class="LineNr"> 20 </span>  <span class="Identifier">return</span> <span class="Normal">default</span>-space:space
<span id="L21" class="LineNr"> 21 </span>]
<span id="L22" class="LineNr"> 22 </span><span class="muRecipe">def</span> increment-counter [
<span id="L23" class="LineNr"> 23 </span>  <span class="Normal">default</span>-space:space<span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Constant">location:type</span><span class="Delimiter">,</span> <span class="Constant">30</span>
<span id="L24" class="LineNr"> 24 </span>  <span class="Constant">0</span>:space/names:<span class="Normal">new</span>-counter<span class="Special"> &lt;- </span>next-ingredient  <span class="Comment"># outer space must be created by 'new-counter' above</span>
<span id="L25" class="LineNr"> 25 </span>  <span class="Normal">y</span>:num/space:<span class="Constant">1</span><span class="Special"> &lt;- </span>add y:num/space:<span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">1</span>  <span class="Comment"># increment</span>
<span id="L26" class="LineNr"> 26 </span>  <span class="Normal">y</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">234</span>  <span class="Comment"># dummy</span>
<span id="L27" class="LineNr"> 27 </span>  <span class="Identifier">return</span> y:num/space:<span class="Constant">1</span>
<span id="L28" class="LineNr"> 28 </span>]
<span id="L29" class="LineNr"> 29 </span><span class="traceContains">+name: lexically surrounding space for <a href='010vm.cc.html#L19'>recipe</a> increment-counter comes from new-counter</span>
<span id="L30" class="LineNr"> 30 </span><span class="traceContains">+mem: storing 15 in location 11</span>
<span id="L31" class="LineNr"> 31 </span>
<span id="L32" class="LineNr"> 32 </span><span class="Comment">//: To make this work, compute the recipe that provides names for the</span>
<span id="L33" class="LineNr"> 33 </span><span class="Comment">//: surrounding space of each recipe.</span>
<span id="L34" class="LineNr"> 34 </span>
<span id="L35" class="LineNr"> 35 </span><span class="Delimiter">:(before &quot;End Globals&quot;)</span>
<span id="L36" class="LineNr"> 36 </span>map&lt;recipe_ordinal<span class="Delimiter">,</span> recipe_ordinal&gt; <span class="Special">Surrounding_space</span><span class="Delimiter">;</span>  <span class="Comment">// internal to transform; no need to snapshot</span>
<span id="L37" class="LineNr"> 37 </span><span class="Delimiter">:(before &quot;End Reset&quot;)</span>
<span id="L38" class="LineNr"> 38 </span><span class="Special">Surrounding_space</span><span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
<span id="L39" class="LineNr"> 39 </span>
<span id="L40" class="LineNr"> 40 </span><span class="Delimiter">:(before &quot;Begin Type Modifying Transforms&quot;)</span>
<span id="L41" class="LineNr"> 41 </span><span class="Special">Transform</span><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='045closure_name.cc.html#L44'>collect_surrounding_spaces</a><span class="Delimiter">);</span>  <span class="Comment">// idempotent</span>
<span id="L42" class="LineNr"> 42 </span>
<span id="L43" class="LineNr"> 43 </span><span class="Delimiter">:(code)</span>
<span id="L44" class="LineNr"> 44 </span><span class="Normal">void</span> <a href='045closure_name.cc.html#L44'>collect_surrounding_spaces</a><span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L45" class="LineNr"> 45 </span>  <a href='003trace.cc.html#L189'>trace</a><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;--- collect surrounding spaces for <a href='010vm.cc.html#L19'>recipe</a> &quot;</span> &lt;&lt; get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L46" class="LineNr"> 46 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L47" class="LineNr"> 47 </span>    <span class="Normal">const</span> instruction&amp; inst = get<span class="Delimiter">(</span><span class="Special">Recipe</span><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 id="L48" class="LineNr"> 48 </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 id="L49" class="LineNr"> 49 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L50" class="LineNr"> 50 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span>is_literal<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">)))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L51" class="LineNr"> 51 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">).</span>name != <span class="Constant">&quot;0&quot;</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L52" class="LineNr"> 52 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_space<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
<span id="L53" class="LineNr"> 53 </span>        <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <span class="Constant">&quot;slot 0 should always have type <a href='043space.cc.html#L101'>address</a>:array:location, but is '&quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">))</span> &lt;&lt; <span class="Constant">&quot;'\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L54" class="LineNr"> 54 </span>        <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L55" class="LineNr"> 55 </span>      <span class="Delimiter">}</span>
<span id="L56" class="LineNr"> 56 </span>      string_tree* s = property<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">),</span> <span class="Constant">&quot;names&quot;</span><span class="Delimiter">);</span>
<span id="L57" class="LineNr"> 57 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span>!s<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L58" class="LineNr"> 58 </span>        <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <span class="Constant">&quot;slot 0 requires a /names property in <a href='010vm.cc.html#L19'>recipe</a> '&quot;</span> &lt;&lt; get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot;'\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L59" class="LineNr"> 59 </span>        <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L60" class="LineNr"> 60 </span>      <span class="Delimiter">}</span>
<span id="L61" class="LineNr"> 61 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span>!s<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <span class="Constant">&quot;slot 0 should have a single value in /names, but got '&quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">))</span> &lt;&lt; <span class="Constant">&quot;'\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L62" class="LineNr"> 62 </span>      <span class="Normal">const</span> string&amp; surrounding_recipe_name = s<span class="Delimiter">-&gt;</span>value<span class="Delimiter">;</span>
<span id="L63" class="LineNr"> 63 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span>surrounding_recipe_name<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
<span id="L64" class="LineNr"> 64 </span>        <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <span class="Constant">&quot;slot 0 doesn't initialize its /names property in recipe '&quot;</span> &lt;&lt; get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot;'\n&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L65" class="LineNr"> 65 </span>        <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L66" class="LineNr"> 66 </span>      <span class="Delimiter">}</span>
<span id="L67" class="LineNr"> 67 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L226'>contains_key</a><span class="Delimiter">(</span><span class="Special">Surrounding_space</span><span class="Delimiter">,</span> r<span class="Delimiter">)</span>
<span id="L68" class="LineNr"> 68 </span>          &amp;&amp; get<span class="Delimiter">(</span><span class="Special">Surrounding_space</span><span class="Delimiter">,</span> r<span class="Delimiter">)</span> != get<span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> surrounding_recipe_name<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L69" class="LineNr"> 69 </span>        <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <span class="Constant">&quot;recipe '&quot;</span> &lt;&lt; get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot;' can have only one 'surrounding' <a href='010vm.cc.html#L19'>recipe</a> but has '&quot;</span> &lt;&lt; get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> get<span class="Delimiter">(</span><span class="Special">Surrounding_space</span><span class="Delimiter">,</span> r<span class="Delimiter">)).</span>name &lt;&lt; <span class="Constant">&quot;' and '&quot;</span> &lt;&lt; surrounding_recipe_name &lt;&lt; <span class="Constant">&quot;'\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L70" class="LineNr"> 70 </span>        <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L71" class="LineNr"> 71 </span>      <span class="Delimiter">}</span>
<span id="L72" class="LineNr"> 72 </span>      <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;name&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;lexically surrounding space for <a href='010vm.cc.html#L19'>recipe</a> &quot;</span> &lt;&lt; get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot; comes from &quot;</span> &lt;&lt; surrounding_recipe_name &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L73" class="LineNr"> 73 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> surrounding_recipe_name<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L74" class="LineNr"> 74 </span>        <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <span class="Constant">&quot;can't find recipe providing surrounding space for '&quot;</span> &lt;&lt; get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot;'; looking for '&quot;</span> &lt;&lt; surrounding_recipe_name &lt;&lt; <span class="Constant">&quot;'\n&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L75" class="LineNr"> 75 </span>        <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L76" class="LineNr"> 76 </span>      <span class="Delimiter">}</span>
<span id="L77" class="LineNr"> 77 </span>      <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Surrounding_space</span><span class="Delimiter">,</span> r<span class="Delimiter">,</span> get<span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> surrounding_recipe_name<span class="Delimiter">));</span>
<span id="L78" class="LineNr"> 78 </span>    <span class="Delimiter">}</span>
<span id="L79" class="LineNr"> 79 </span>  <span class="Delimiter">}</span>
<span id="L80" class="LineNr"> 80 </span><span class="Delimiter">}</span>
<span id="L81" class="LineNr"> 81 </span>
<span id="L82" class="LineNr"> 82 </span><span class="Comment">//: Once surrounding spaces are available, transform_names uses them to handle</span>
<span id="L83" class="LineNr"> 83 </span><span class="Comment">//: /space properties.</span>
<span id="L84" class="LineNr"> 84 </span>
<span id="L85" class="LineNr"> 85 </span><span class="Delimiter">:(replace{} &quot;int lookup_name(const reagent&amp; r, const <a href='010vm.cc.html#L14'>recipe_ordinal</a> default_recipe)&quot;)</span>
<span id="L86" class="LineNr"> 86 </span><span class="Normal">int</span> lookup_name<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; x<span class="Delimiter">,</span> <span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> default_recipe<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L87" class="LineNr"> 87 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!has_property<span class="Delimiter">(</span>x<span class="Delimiter">,</span> <span class="Constant">&quot;space&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L88" class="LineNr"> 88 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special">Name</span>[default_recipe]<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <span class="Constant">&quot;name not found: &quot;</span> &lt;&lt; x<span class="Delimiter">.</span>name &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L89" class="LineNr"> 89 </span>    <span class="Identifier">return</span> <span class="Special">Name</span>[default_recipe][x<span class="Delimiter">.</span>name]<span class="Delimiter">;</span>
<span id="L90" class="LineNr"> 90 </span>  <span class="Delimiter">}</span>
<span id="L91" class="LineNr"> 91 </span>  string_tree* p = property<span class="Delimiter">(</span>x<span class="Delimiter">,</span> <span class="Constant">&quot;space&quot;</span><span class="Delimiter">);</span>
<span id="L92" class="LineNr"> 92 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!p || !p<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <span class="Constant">&quot;/space property should have exactly one (non-negative integer) value\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L93" class="LineNr"> 93 </span>  <span class="Normal">int</span> n = to_integer<span class="Delimiter">(</span>p<span class="Delimiter">-&gt;</span>value<span class="Delimiter">);</span>
<span id="L94" class="LineNr"> 94 </span>  assert<span class="Delimiter">(</span>n &gt;= <span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L95" class="LineNr"> 95 </span>  <a href='010vm.cc.html#L14'>recipe_ordinal</a> surrounding_recipe = <a href='045closure_name.cc.html#L121'>lookup_surrounding_recipe</a><span class="Delimiter">(</span>default_recipe<span class="Delimiter">,</span> n<span class="Delimiter">);</span>
<span id="L96" class="LineNr"> 96 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>surrounding_recipe == -<span class="Constant">1</span><span class="Delimiter">)</span> <span class="Identifier">return</span> -<span class="Constant">1</span><span class="Delimiter">;</span>
<span id="L97" class="LineNr"> 97 </span>  set&lt;recipe_ordinal&gt; done<span class="Delimiter">;</span>
<span id="L98" class="LineNr"> 98 </span>  vector&lt;recipe_ordinal&gt; path<span class="Delimiter">;</span>
<span id="L99" class="LineNr"> 99 </span>  <span class="Identifier">return</span> lookup_name<span class="Delimiter">(</span>x<span class="Delimiter">,</span> surrounding_recipe<span class="Delimiter">,</span> done<span class="Delimiter">,</span> path<span class="Delimiter">);</span>
<span id="L100" class="LineNr">100 </span><span class="Delimiter">}</span>
<span id="L101" class="LineNr">101 </span>
<span id="L102" class="LineNr">102 </span><span class="Comment">// If the recipe we need to lookup this name in doesn't have names done yet,</span>
<span id="L103" class="LineNr">103 </span><span class="Comment">// recursively call transform_names on it.</span>
<span id="L104" class="LineNr">104 </span><span class="Normal">int</span> lookup_name<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; x<span class="Delimiter">,</span> <span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">,</span> set&lt;recipe_ordinal&gt;&amp; done<span class="Delimiter">,</span> vector&lt;recipe_ordinal&gt;&amp; path<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L105" class="LineNr">105 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!<span class="Special">Name</span>[r]<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span> <span class="Special">Name</span>[r][x<span class="Delimiter">.</span>name]<span class="Delimiter">;</span>
<span id="L106" class="LineNr">106 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L226'>contains_key</a><span class="Delimiter">(</span>done<span class="Delimiter">,</span> r<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L107" class="LineNr">107 </span>    <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <span class="Constant">&quot;can't compute address of '&quot;</span> &lt;&lt; <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>x<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;' because\n&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L108" class="LineNr">108 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>path<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L109" class="LineNr">109 </span>      <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; path<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i-<span class="Constant">1</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; requires computing names of &quot;</span> &lt;&lt; path<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L110" class="LineNr">110 </span>    <span class="Delimiter">}</span>
<span id="L111" class="LineNr">111 </span>    <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; path<span class="Delimiter">.</span>at<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>path<span class="Delimiter">)</span>-<span class="Constant">1</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; requires computing names of &quot;</span> &lt;&lt; r &lt;&lt; <span class="Constant">&quot;..ad infinitum\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L112" class="LineNr">112 </span>    <span class="Identifier">return</span> -<span class="Constant">1</span><span class="Delimiter">;</span>
<span id="L113" class="LineNr">113 </span>  <span class="Delimiter">}</span>
<span id="L114" class="LineNr">114 </span>  done<span class="Delimiter">.</span>insert<span class="Delimiter">(</span>r<span class="Delimiter">);</span>
<span id="L115" class="LineNr">115 </span>  path<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>r<span class="Delimiter">);</span>
<span id="L116" class="LineNr">116 </span>  <a href='042name.cc.html#L37'>transform_names</a><span class="Delimiter">(</span>r<span class="Delimiter">);</span>  <span class="Comment">// Not passing 'done' through. Might this somehow cause an infinite loop?</span>
<span id="L117" class="LineNr">117 </span>  assert<span class="Delimiter">(</span>!<span class="Special">Name</span>[r]<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
<span id="L118" class="LineNr">118 </span>  <span class="Identifier">return</span> <span class="Special">Name</span>[r][x<span class="Delimiter">.</span>name]<span class="Delimiter">;</span>
<span id="L119" class="LineNr">119 </span><span class="Delimiter">}</span>
<span id="L120" class="LineNr">120 </span>
<span id="L121" class="LineNr">121 </span><a href='010vm.cc.html#L14'>recipe_ordinal</a> <a href='045closure_name.cc.html#L121'>lookup_surrounding_recipe</a><span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">,</span> <span class="Normal">int</span> n<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L122" class="LineNr">122 </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> r<span class="Delimiter">;</span>
<span id="L123" class="LineNr">123 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span><span class="Special">Surrounding_space</span><span class="Delimiter">,</span> r<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L124" class="LineNr">124 </span>    <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <span class="Constant">&quot;don't know surrounding recipe of '&quot;</span> &lt;&lt; get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot;'\n&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L125" class="LineNr">125 </span>    <span class="Identifier">return</span> -<span class="Constant">1</span><span class="Delimiter">;</span>
<span id="L126" class="LineNr">126 </span>  <span class="Delimiter">}</span>
<span id="L127" class="LineNr">127 </span>  assert<span class="Delimiter">(</span><a href='001help.cc.html#L226'>contains_key</a><span class="Delimiter">(</span><span class="Special">Surrounding_space</span><span class="Delimiter">,</span> r<span class="Delimiter">));</span>
<span id="L128" class="LineNr">128 </span>  <span class="Identifier">return</span> <a href='045closure_name.cc.html#L121'>lookup_surrounding_recipe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Surrounding_space</span><span class="Delimiter">,</span> r<span class="Delimiter">),</span> n-<span class="Constant">1</span><span class="Delimiter">);</span>
<span id="L129" class="LineNr">129 </span><span class="Delimiter">}</span>
<span id="L130" class="LineNr">130 </span>
<span id="L131" class="LineNr">131 </span><span class="Comment">//: weaken use-before-set detection just a tad</span>
<span id="L132" class="LineNr">132 </span><span class="Delimiter">:(replace{} &quot;bool already_transformed(const reagent&amp; r, const map&lt;string, int&gt;&amp; names)&quot;)</span>
<span id="L133" class="LineNr">133 </span><span class="Normal">bool</span> already_transformed<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; r<span class="Delimiter">,</span> <span class="Normal">const</span> map&lt;string<span class="Delimiter">,</span> <span class="Normal">int</span>&gt;&amp; names<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L134" class="LineNr">134 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>has_property<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">&quot;space&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L135" class="LineNr">135 </span>    string_tree* p = property<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">&quot;space&quot;</span><span class="Delimiter">);</span>
<span id="L136" class="LineNr">136 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!p || !p<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L137" class="LineNr">137 </span>      <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <span class="Constant">&quot;/space property should have exactly one (non-negative integer) value in '&quot;</span> &lt;&lt; r<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;'\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L138" class="LineNr">138 </span>      <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L139" class="LineNr">139 </span>    <span class="Delimiter">}</span>
<span id="L140" class="LineNr">140 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">-&gt;</span>value != <span class="Constant">&quot;0&quot;</span><span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Constant"> true</span><span class="Delimiter">;</span>
<span id="L141" class="LineNr">141 </span>  <span class="Delimiter">}</span>
<span id="L142" class="LineNr">142 </span>  <span class="Identifier">return</span> <a href='001help.cc.html#L226'>contains_key</a><span class="Delimiter">(</span>names<span class="Delimiter">,</span> r<span class="Delimiter">.</span>name<span class="Delimiter">);</span>
<span id="L143" class="LineNr">143 </span><span class="Delimiter">}</span>
<span id="L144" class="LineNr">144 </span>
<span id="L145" class="LineNr">145 </span><span class="Delimiter">:(scenario missing_surrounding_space)</span>
<span id="L146" class="LineNr">146 </span><span class="Special">% Hide_errors = true;</span>
<span id="L147" class="LineNr">147 </span><span class="muRecipe">def</span> f [
<span id="L148" class="LineNr">148 </span>  local-scope
<span id="L149" class="LineNr">149 </span>  <span class="Normal">x</span>:num/space:<span class="Constant">1</span><span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
<span id="L150" class="LineNr">150 </span>]
<span id="L151" class="LineNr">151 </span><span class="traceContains">+error: don't know surrounding recipe of 'f'</span>
<span id="L152" class="LineNr">152 </span><span class="traceContains">+error: f: can't find a place to store 'x'</span>
<span id="L153" class="LineNr">153 </span>
<span id="L154" class="LineNr">154 </span><span class="Comment">//: extra test for try_reclaim_locals() from previous layers</span>
<span id="L155" class="LineNr">155 </span><span class="Delimiter">:(scenario local_scope_ignores_nonlocal_spaces)</span>
<span id="L156" class="LineNr">156 </span><span class="muRecipe">def</span> <span class="Normal">new</span>-scope [
<span id="L157" class="LineNr">157 </span>  local-scope
<span id="L158" class="LineNr">158 </span>  <span class="Normal">x</span>:&amp;:num<span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Constant">number:type</span>
<span id="L159" class="LineNr">159 </span>  *x:&amp;:num<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
<span id="L160" class="LineNr">160 </span>  <span class="Identifier">return</span> <span class="Normal">default</span>-space:space
<span id="L161" class="LineNr">161 </span>]
<span id="L162" class="LineNr">162 </span><span class="muRecipe">def</span> use-scope [
<span id="L163" class="LineNr">163 </span>  local-scope
<span id="L164" class="LineNr">164 </span>  <span class="Normal">outer</span>:space/names:<span class="Normal">new</span>-scope<span class="Special"> &lt;- </span>next-ingredient
<span id="L165" class="LineNr">165 </span>  <span class="Constant">0</span>:space/names:<span class="Normal">new</span>-scope<span class="Special"> &lt;- </span>copy outer:space
<span id="L166" class="LineNr">166 </span>  <span class="Identifier">return</span> *x:&amp;:num/space:<span class="Constant">1</span>
<span id="L167" class="LineNr">167 </span>]
<span id="L168" class="LineNr">168 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L169" class="LineNr">169 </span>  <span class="Constant">1</span>:space/<span class="Special">raw &lt;- </span><span class="Normal">new</span>-scope
<span id="L170" class="LineNr">170 </span>  <span class="Constant">3</span>:num/<span class="Special">raw &lt;- </span>use-scope <span class="Constant">1</span>:space/<span class="Special">raw</span>
<span id="L171" class="LineNr">171 </span>]
<span id="L172" class="LineNr">172 </span><span class="traceContains">+mem: storing 34 in location 3</span>
<span id="L173" class="LineNr">173 </span>
<span id="L174" class="LineNr">174 </span><span class="Delimiter">:(scenario recursive_transform_names)</span>
<span id="L175" class="LineNr">175 </span><span class="muRecipe">def</span> foo [
<span id="L176" class="LineNr">176 </span>  local-scope
<span id="L177" class="LineNr">177 </span>  <span class="Normal">x</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
<span id="L178" class="LineNr">178 </span>  <span class="Identifier">return</span> <span class="Normal">default</span>-space:space/names:foo
<span id="L179" class="LineNr">179 </span>]
<span id="L180" class="LineNr">180 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L181" class="LineNr">181 </span>  local-scope
<span id="L182" class="LineNr">182 </span>  <span class="Constant">0</span>:space/names:foo<span class="Special"> &lt;- </span>foo
<span id="L183" class="LineNr">183 </span>  <span class="Normal">x</span>:num/space:<span class="Constant">1</span><span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
<span id="L184" class="LineNr">184 </span>]
<span id="L185" class="LineNr">185 </span>$error: <span class="Constant">0</span>
</pre>
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