251 lines
38 KiB
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251 lines
38 KiB
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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>
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<pre id='vimCodeElement'>
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<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>
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<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>
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<span id="L3" class="LineNr"> 3 </span><span class="Comment">//: the variable in the chained/surrounding space. /space:2 looks up the</span>
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<span id="L4" class="LineNr"> 4 </span><span class="Comment">//: surrounding space of the surrounding space, etc.</span>
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<span id="L5" class="LineNr"> 5 </span><span class="Comment">//:</span>
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<span id="L6" class="LineNr"> 6 </span><span class="Comment">//: todo: warn on default-space abuse. default-space for one recipe should</span>
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<span id="L7" class="LineNr"> 7 </span><span class="Comment">//: never come from another, otherwise memory will be corrupted.</span>
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<span id="L8" class="LineNr"> 8 </span>
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<span id="L9" class="LineNr"> 9 </span><span class="Delimiter">:(scenario closure)</span>
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<span id="L10" class="LineNr"> 10 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
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<span id="L11" class="LineNr"> 11 </span> <span class="Normal">default</span>-space:space<span class="Special"> <- </span><span class="Normal">new</span> <span class="Constant">location:type</span><span class="Delimiter">,</span> <span class="Constant">30</span>
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<span id="L12" class="LineNr"> 12 </span> <span class="Constant">2</span>:space/names:<span class="Normal">new</span>-counter<span class="Special"> <- </span><span class="Normal">new</span>-counter
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<span id="L13" class="LineNr"> 13 </span> <span class="Constant">10</span>:num/<span class="Special">raw <- </span>increment-counter <span class="Constant">2</span>:space/names:<span class="Normal">new</span>-counter
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<span id="L14" class="LineNr"> 14 </span> <span class="Constant">11</span>:num/<span class="Special">raw <- </span>increment-counter <span class="Constant">2</span>:space/names:<span class="Normal">new</span>-counter
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<span id="L15" class="LineNr"> 15 </span>]
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<span id="L16" class="LineNr"> 16 </span><span class="muRecipe">def</span> <span class="Normal">new</span>-counter [
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<span id="L17" class="LineNr"> 17 </span> <span class="Normal">default</span>-space:space<span class="Special"> <- </span><span class="Normal">new</span> <span class="Constant">location:type</span><span class="Delimiter">,</span> <span class="Constant">30</span>
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<span id="L18" class="LineNr"> 18 </span> <span class="Normal">x</span>:num<span class="Special"> <- </span>copy <span class="Constant">23</span>
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<span id="L19" class="LineNr"> 19 </span> <span class="Normal">y</span>:num<span class="Special"> <- </span>copy <span class="Constant">13</span> <span class="Comment"># variable that will be incremented</span>
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<span id="L20" class="LineNr"> 20 </span> <span class="Identifier">return</span> <span class="Normal">default</span>-space:space
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<span id="L21" class="LineNr"> 21 </span>]
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<span id="L22" class="LineNr"> 22 </span><span class="muRecipe">def</span> increment-counter [
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<span id="L23" class="LineNr"> 23 </span> <span class="Normal">default</span>-space:space<span class="Special"> <- </span><span class="Normal">new</span> <span class="Constant">location:type</span><span class="Delimiter">,</span> <span class="Constant">30</span>
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<span id="L24" class="LineNr"> 24 </span> <span class="Constant">0</span>:space/names:<span class="Normal">new</span>-counter<span class="Special"> <- </span>next-ingredient <span class="Comment"># outer space must be created by 'new-counter' above</span>
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<span id="L25" class="LineNr"> 25 </span> <span class="Normal">y</span>:num/space:<span class="Constant">1</span><span class="Special"> <- </span>add y:num/space:<span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">1</span> <span class="Comment"># increment</span>
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<span id="L26" class="LineNr"> 26 </span> <span class="Normal">y</span>:num<span class="Special"> <- </span>copy <span class="Constant">234</span> <span class="Comment"># dummy</span>
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<span id="L27" class="LineNr"> 27 </span> <span class="Identifier">return</span> y:num/space:<span class="Constant">1</span>
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<span id="L28" class="LineNr"> 28 </span>]
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<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>
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<span id="L30" class="LineNr"> 30 </span><span class="traceContains">+mem: storing 15 in location 11</span>
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<span id="L31" class="LineNr"> 31 </span>
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<span id="L32" class="LineNr"> 32 </span><span class="Comment">//: To make this work, compute the recipe that provides names for the</span>
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<span id="L33" class="LineNr"> 33 </span><span class="Comment">//: surrounding space of each recipe.</span>
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<span id="L34" class="LineNr"> 34 </span>
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<span id="L35" class="LineNr"> 35 </span><span class="Delimiter">:(before "End Globals")</span>
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<span id="L36" class="LineNr"> 36 </span>map<recipe_ordinal<span class="Delimiter">,</span> recipe_ordinal> <span class="Special">Surrounding_space</span><span class="Delimiter">;</span> <span class="Comment">// internal to transform; no need to snapshot</span>
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<span id="L37" class="LineNr"> 37 </span><span class="Delimiter">:(before "End Reset")</span>
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<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>
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<span id="L39" class="LineNr"> 39 </span>
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<span id="L40" class="LineNr"> 40 </span><span class="Delimiter">:(before "Begin Type Modifying Transforms")</span>
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<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>
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<span id="L42" class="LineNr"> 42 </span>
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<span id="L43" class="LineNr"> 43 </span><span class="Delimiter">:(code)</span>
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<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>
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<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">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"--- collect surrounding spaces for <a href='010vm.cc.html#L19'>recipe</a> "</span> << get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
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<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 < <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>
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<span id="L47" class="LineNr"> 47 </span> <span class="Normal">const</span> instruction& 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>
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<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>
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<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 < <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>
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<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>
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<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">"0"</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
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<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>
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<span id="L53" class="LineNr"> 53 </span> <a href='003trace.cc.html#L196'>raise</a> << <span class="Constant">"slot 0 should always have type <a href='043space.cc.html#L101'>address</a>:array:location, but is '"</span> << 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> << <span class="Constant">"'\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
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<span id="L54" class="LineNr"> 54 </span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
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<span id="L55" class="LineNr"> 55 </span> <span class="Delimiter">}</span>
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<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">"names"</span><span class="Delimiter">);</span>
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<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>
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<span id="L58" class="LineNr"> 58 </span> <a href='003trace.cc.html#L196'>raise</a> << <span class="Constant">"slot 0 requires a /names property in <a href='010vm.cc.html#L19'>recipe</a> '"</span> << get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name << <span class="Constant">"'\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
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<span id="L59" class="LineNr"> 59 </span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
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<span id="L60" class="LineNr"> 60 </span> <span class="Delimiter">}</span>
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<span id="L61" class="LineNr"> 61 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!s<span class="Delimiter">-></span>atom<span class="Delimiter">)</span> <a href='003trace.cc.html#L196'>raise</a> << <span class="Constant">"slot 0 should have a single value in /names, but got '"</span> << 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> << <span class="Constant">"'\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
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<span id="L62" class="LineNr"> 62 </span> <span class="Normal">const</span> string& surrounding_recipe_name = s<span class="Delimiter">-></span>value<span class="Delimiter">;</span>
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<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>
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<span id="L64" class="LineNr"> 64 </span> <a href='003trace.cc.html#L196'>raise</a> << <span class="Constant">"slot 0 doesn't initialize its /names property in recipe '"</span> << get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name << <span class="Constant">"'\n"</span> << end<span class="Delimiter">();</span>
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<span id="L65" class="LineNr"> 65 </span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
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<span id="L66" class="LineNr"> 66 </span> <span class="Delimiter">}</span>
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<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>
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<span id="L68" class="LineNr"> 68 </span> && 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>
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<span id="L69" class="LineNr"> 69 </span> <a href='003trace.cc.html#L196'>raise</a> << <span class="Constant">"recipe '"</span> << get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name << <span class="Constant">"' can have only one 'surrounding' <a href='010vm.cc.html#L19'>recipe</a> but has '"</span> << 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 << <span class="Constant">"' and '"</span> << surrounding_recipe_name << <span class="Constant">"'\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
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<span id="L70" class="LineNr"> 70 </span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
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<span id="L71" class="LineNr"> 71 </span> <span class="Delimiter">}</span>
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<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">"name"</span><span class="Delimiter">)</span> << <span class="Constant">"lexically surrounding space for <a href='010vm.cc.html#L19'>recipe</a> "</span> << get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name << <span class="Constant">" comes from "</span> << surrounding_recipe_name << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
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<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>
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<span id="L74" class="LineNr"> 74 </span> <a href='003trace.cc.html#L196'>raise</a> << <span class="Constant">"can't find recipe providing surrounding space for '"</span> << get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name << <span class="Constant">"'; looking for '"</span> << surrounding_recipe_name << <span class="Constant">"'\n"</span> << end<span class="Delimiter">();</span>
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<span id="L75" class="LineNr"> 75 </span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
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<span id="L76" class="LineNr"> 76 </span> <span class="Delimiter">}</span>
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<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>
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<span id="L78" class="LineNr"> 78 </span> <span class="Delimiter">}</span>
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<span id="L79" class="LineNr"> 79 </span> <span class="Delimiter">}</span>
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<span id="L80" class="LineNr"> 80 </span><span class="Delimiter">}</span>
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<span id="L81" class="LineNr"> 81 </span>
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<span id="L82" class="LineNr"> 82 </span><span class="Comment">//: Once surrounding spaces are available, transform_names uses them to handle</span>
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<span id="L83" class="LineNr"> 83 </span><span class="Comment">//: /space properties.</span>
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<span id="L84" class="LineNr"> 84 </span>
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<span id="L85" class="LineNr"> 85 </span><span class="Delimiter">:(replace{} "int lookup_name(const reagent& r, const <a href='010vm.cc.html#L14'>recipe_ordinal</a> default_recipe)")</span>
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<span id="L86" class="LineNr"> 86 </span><span class="Normal">int</span> lookup_name<span class="Delimiter">(</span><span class="Normal">const</span> reagent& 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>
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<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">"space"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
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<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> << <span class="Constant">"name not found: "</span> << x<span class="Delimiter">.</span>name << <span class="cSpecial">'\n'</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
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<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>
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<span id="L90" class="LineNr"> 90 </span> <span class="Delimiter">}</span>
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<span id="L91" class="LineNr"> 91 </span> string_tree* p = property<span class="Delimiter">(</span>x<span class="Delimiter">,</span> <span class="Constant">"space"</span><span class="Delimiter">);</span>
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<span id="L92" class="LineNr"> 92 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!p || !p<span class="Delimiter">-></span>atom<span class="Delimiter">)</span> <a href='003trace.cc.html#L196'>raise</a> << <span class="Constant">"/space property should have exactly one (non-negative integer) value\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
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<span id="L93" class="LineNr"> 93 </span> <span class="Normal">int</span> n = to_integer<span class="Delimiter">(</span>p<span class="Delimiter">-></span>value<span class="Delimiter">);</span>
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<span id="L94" class="LineNr"> 94 </span> assert<span class="Delimiter">(</span>n >= <span class="Constant">0</span><span class="Delimiter">);</span>
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<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>
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<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>
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<span id="L97" class="LineNr"> 97 </span> set<recipe_ordinal> done<span class="Delimiter">;</span>
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<span id="L98" class="LineNr"> 98 </span> vector<recipe_ordinal> path<span class="Delimiter">;</span>
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<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>
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<span id="L100" class="LineNr">100 </span><span class="Delimiter">}</span>
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<span id="L101" class="LineNr">101 </span>
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<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>
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<span id="L103" class="LineNr">103 </span><span class="Comment">// recursively call transform_names on it.</span>
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<span id="L104" class="LineNr">104 </span><span class="Normal">int</span> lookup_name<span class="Delimiter">(</span><span class="Normal">const</span> reagent& 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<recipe_ordinal>& done<span class="Delimiter">,</span> vector<recipe_ordinal>& path<span class="Delimiter">)</span> <span class="Delimiter">{</span>
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<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>
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<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>
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<span id="L107" class="LineNr">107 </span> <a href='003trace.cc.html#L196'>raise</a> << <span class="Constant">"can't compute address of '"</span> << <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>x<span class="Delimiter">)</span> << <span class="Constant">"' because\n"</span> << end<span class="Delimiter">();</span>
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<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 < <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>
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<span id="L109" class="LineNr">109 </span> <a href='003trace.cc.html#L196'>raise</a> << path<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i-<span class="Constant">1</span><span class="Delimiter">)</span> << <span class="Constant">" requires computing names of "</span> << path<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)</span> << <span class="cSpecial">'\n'</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
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<span id="L110" class="LineNr">110 </span> <span class="Delimiter">}</span>
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<span id="L111" class="LineNr">111 </span> <a href='003trace.cc.html#L196'>raise</a> << 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> << <span class="Constant">" requires computing names of "</span> << r << <span class="Constant">"..ad infinitum\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
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|
<span id="L112" class="LineNr">112 </span> <span class="Identifier">return</span> -<span class="Constant">1</span><span class="Delimiter">;</span>
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|
<span id="L113" class="LineNr">113 </span> <span class="Delimiter">}</span>
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<span id="L114" class="LineNr">114 </span> done<span class="Delimiter">.</span>insert<span class="Delimiter">(</span>r<span class="Delimiter">);</span>
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<span id="L115" class="LineNr">115 </span> path<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>r<span class="Delimiter">);</span>
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<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>
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|
<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>
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|
<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>
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<span id="L120" class="LineNr">120 </span>
|
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<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>
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<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> << <span class="Constant">"don't know surrounding recipe of '"</span> << get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name << <span class="Constant">"'\n"</span> << 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>
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|
<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{} "bool already_transformed(const reagent& r, const map<string, int>& names)")</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& r<span class="Delimiter">,</span> <span class="Normal">const</span> map<string<span class="Delimiter">,</span> <span class="Normal">int</span>>& 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">"space"</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">"space"</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">-></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> << <span class="Constant">"/space property should have exactly one (non-negative integer) value in '"</span> << r<span class="Delimiter">.</span>original_string << <span class="Constant">"'\n"</span> << <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">-></span>value != <span class="Constant">"0"</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"> <- </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>:&:num<span class="Special"> <- </span><span class="Normal">new</span> <span class="Constant">number:type</span>
|
|
<span id="L159" class="LineNr">159 </span> *x:&:num<span class="Special"> <- </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"> <- </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"> <- </span>copy outer:space
|
|
<span id="L166" class="LineNr">166 </span> <span class="Identifier">return</span> *x:&: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 <- </span><span class="Normal">new</span>-scope
|
|
<span id="L170" class="LineNr">170 </span> <span class="Constant">3</span>:num/<span class="Special">raw <- </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"> <- </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"> <- </span>foo
|
|
<span id="L183" class="LineNr">183 </span> <span class="Normal">x</span>:num/space:<span class="Constant">1</span><span class="Special"> <- </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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</body>
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</html>
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<!-- vim: set foldmethod=manual : -->
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