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<pre id='vimCodeElement'>
<span id="L1" class="LineNr"> 1 </span><span class="Comment">//: Support jumps to a specific label (the 'jump target') in the same recipe.</span>
<span id="L2" class="LineNr"> 2 </span><span class="Comment">//: Jump targets must be unique and unambiguous within any recipe.</span>
<span id="L3" class="LineNr"> 3 </span><span class="Comment">//:</span>
<span id="L4" class="LineNr"> 4 </span><span class="Comment">//: The 'break' and 'loop' pseudo instructions can also take jump targets.</span>
<span id="L5" class="LineNr"> 5 </span><span class="Comment">//: Which instruction you use is just documentation about intent; use 'break'</span>
<span id="L6" class="LineNr"> 6 </span><span class="Comment">//: to indicate you're exiting one or more loop nests, and 'loop' to indicate</span>
<span id="L7" class="LineNr"> 7 </span><span class="Comment">//: you're skipping to the next iteration of some containing loop nest.</span>
<span id="L8" class="LineNr"> 8 </span>
<span id="L9" class="LineNr"> 9 </span><span class="Comment">//: Since they have to be unique in a recipe, not all labels can be jump</span>
<span id="L10" class="LineNr"> 10 </span><span class="Comment">//: targets.</span>
<span id="L11" class="LineNr"> 11 </span><span class="Normal">bool</span> <a href='041jump_target.cc.html#L11'>is_jump_target</a><span class="Delimiter">(</span><span class="Normal">const</span> string& label<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L12" class="LineNr"> 12 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>label == <span class="Constant">"{"</span> || label == <span class="Constant">"}"</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
<span id="L13" class="LineNr"> 13 </span> <span class="Comment">// End is_jump_target Special-cases</span>
<span id="L14" class="LineNr"> 14 </span> <span class="Identifier">return</span> <a href='011load.cc.html#L179'>is_label_word</a><span class="Delimiter">(</span>label<span class="Delimiter">);</span>
<span id="L15" class="LineNr"> 15 </span><span class="Delimiter">}</span>
<span id="L16" class="LineNr"> 16 </span>
<span id="L17" class="LineNr"> 17 </span><span class="Delimiter">:(scenario jump_to_label)</span>
<span id="L18" class="LineNr"> 18 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L19" class="LineNr"> 19 </span> jump <span class="Constant">+target:label</span>
<span id="L20" class="LineNr"> 20 </span> <span class="Constant">1</span>:num<span class="Special"> <- </span>copy <span class="Constant">0</span>
<span id="L21" class="LineNr"> 21 </span> +target
<span id="L22" class="LineNr"> 22 </span>]
<span id="L23" class="LineNr"> 23 </span><span class="traceAbsent">-mem: storing 0 in location 1</span>
<span id="L24" class="LineNr"> 24 </span>
<span id="L25" class="LineNr"> 25 </span><span class="Delimiter">:(before "End Mu Types Initialization")</span>
<span id="L26" class="LineNr"> 26 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">"label"</span><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L27" class="LineNr"> 27 </span>
<span id="L28" class="LineNr"> 28 </span><span class="Delimiter">:(before "End Instruction Modifying Transforms")</span>
<span id="L29" class="LineNr"> 29 </span>Transform<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='041jump_target.cc.html#L32'>transform_labels</a><span class="Delimiter">);</span> <span class="Comment">// idempotent</span>
<span id="L30" class="LineNr"> 30 </span>
<span id="L31" class="LineNr"> 31 </span><span class="Delimiter">:(code)</span>
<span id="L32" class="LineNr"> 32 </span><span class="Normal">void</span> <a href='041jump_target.cc.html#L32'>transform_labels</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="L33" class="LineNr"> 33 </span> map<string<span class="Delimiter">,</span> <span class="Normal">int</span>> offset<span class="Delimiter">;</span>
<span id="L34" class="LineNr"> 34 </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>Recipe<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="L35" class="LineNr"> 35 </span> <span class="Normal">const</span> instruction& inst = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span id="L36" class="LineNr"> 36 </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="L37" class="LineNr"> 37 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='041jump_target.cc.html#L11'>is_jump_target</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>label<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L38" class="LineNr"> 38 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>offset<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>label<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L39" class="LineNr"> 39 </span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>offset<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>label<span class="Delimiter">,</span> i<span class="Delimiter">);</span>
<span id="L40" class="LineNr"> 40 </span> <span class="Delimiter">}</span>
<span id="L41" class="LineNr"> 41 </span> <span class="Normal">else</span> <span class="Delimiter">{</span>
<span id="L42" class="LineNr"> 42 </span> <a href='003trace.cc.html#L174'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"duplicate label '"</span> << inst<span class="Delimiter">.</span>label << <span class="Constant">"'"</span> << <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
<span id="L43" class="LineNr"> 43 </span> <span class="Comment">// have all jumps skip some random but noticeable and deterministic amount of code</span>
<span id="L44" class="LineNr"> 44 </span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>offset<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>label<span class="Delimiter">,</span> <span class="Constant">9999</span><span class="Delimiter">);</span>
<span id="L45" class="LineNr"> 45 </span> <span class="Delimiter">}</span>
<span id="L46" class="LineNr"> 46 </span> <span class="Delimiter">}</span>
<span id="L47" class="LineNr"> 47 </span> <span class="Delimiter">}</span>
<span id="L48" class="LineNr"> 48 </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>Recipe<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="L49" class="LineNr"> 49 </span> instruction& inst = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span id="L50" class="LineNr"> 50 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">"jump"</span><span class="Delimiter">)</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>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
<span id="L52" class="LineNr"> 52 </span> <a href='003trace.cc.html#L174'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'"</span> << to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"' expects an ingredient but got 0</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
<span id="L53" class="LineNr"> 53 </span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L54" class="LineNr"> 54 </span> <span class="Delimiter">}</span>
<span id="L55" class="LineNr"> 55 </span> <a href='041jump_target.cc.html#L76'>replace_offset</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">),</span> offset<span class="Delimiter">,</span> i<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
<span id="L56" class="LineNr"> 56 </span> <span class="Delimiter">}</span>
<span id="L57" class="LineNr"> 57 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">"jump-if"</span> || inst<span class="Delimiter">.</span>name == <span class="Constant">"jump-unless"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L58" class="LineNr"> 58 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> < <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L59" class="LineNr"> 59 </span> <a href='003trace.cc.html#L174'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'"</span> << to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"' expects 2 ingredients but got "</span> << <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> << <span class="cSpecial">'\n'</span> << <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
<span id="L60" class="LineNr"> 60 </span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L61" class="LineNr"> 61 </span> <span class="Delimiter">}</span>
<span id="L62" class="LineNr"> 62 </span> <a href='041jump_target.cc.html#L76'>replace_offset</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">),</span> offset<span class="Delimiter">,</span> i<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
<span id="L63" class="LineNr"> 63 </span> <span class="Delimiter">}</span>
<span id="L64" class="LineNr"> 64 </span> <span class="Normal">if</span> <span class="Delimiter">((</span>inst<span class="Delimiter">.</span>name == <span class="Constant">"loop"</span> || inst<span class="Delimiter">.</span>name == <span class="Constant">"break"</span><span class="Delimiter">)</span>
<span id="L65" class="LineNr"> 65 </span> && <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> >= <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L66" class="LineNr"> 66 </span> <a href='041jump_target.cc.html#L76'>replace_offset</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">),</span> offset<span class="Delimiter">,</span> i<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
<span id="L67" class="LineNr"> 67 </span> <span class="Delimiter">}</span>
<span id="L68" class="LineNr"> 68 </span> <span class="Normal">if</span> <span class="Delimiter">((</span>inst<span class="Delimiter">.</span>name == <span class="Constant">"loop-if"</span> || inst<span class="Delimiter">.</span>name == <span class="Constant">"loop-unless"</span>
<span id="L69" class="LineNr"> 69 </span> || inst<span class="Delimiter">.</span>name == <span class="Constant">"break-if"</span> || inst<span class="Delimiter">.</span>name == <span class="Constant">"break-unless"</span><span class="Delimiter">)</span>
<span id="L70" class="LineNr"> 70 </span> && <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> >= <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L71" class="LineNr"> 71 </span> <a href='041jump_target.cc.html#L76'>replace_offset</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">),</span> offset<span class="Delimiter">,</span> i<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
<span id="L72" class="LineNr"> 72 </span> <span class="Delimiter">}</span>
<span id="L73" class="LineNr"> 73 </span> <span class="Delimiter">}</span>
<span id="L74" class="LineNr"> 74 </span><span class="Delimiter">}</span>
<span id="L75" class="LineNr"> 75 </span>
<span id="L76" class="LineNr"> 76 </span><span class="Normal">void</span> <a href='041jump_target.cc.html#L76'>replace_offset</a><span class="Delimiter">(</span>reagent& x<span class="Delimiter">,</span> <span class="Comment">/*</span><span class="Comment">const</span><span class="Comment">*/</span> map<string<span class="Delimiter">,</span> <span class="Normal">int</span>>& offset<span class="Delimiter">,</span> <span class="Normal">const</span> <span class="Normal">int</span> current_offset<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="L77" class="LineNr"> 77 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_literal<span class="Delimiter">(</span>x<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L78" class="LineNr"> 78 </span> <a href='003trace.cc.html#L174'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"jump target must be offset or label but is '"</span> << x<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
<span id="L79" class="LineNr"> 79 </span> x<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> <span class="Comment">// no jump by default</span>
<span id="L80" class="LineNr"> 80 </span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L81" class="LineNr"> 81 </span> <span class="Delimiter">}</span>
<span id="L82" class="LineNr"> 82 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>initialized<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L83" class="LineNr"> 83 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_integer<span class="Delimiter">(</span>x<span class="Delimiter">.</span>name<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// non-labels will be handled like other number operands</span>
<span id="L84" class="LineNr"> 84 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_jump_target<span class="Delimiter">(</span>x<span class="Delimiter">.</span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L85" class="LineNr"> 85 </span> <a href='003trace.cc.html#L174'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"can't jump to label '"</span> << x<span class="Delimiter">.</span>name << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
<span id="L86" class="LineNr"> 86 </span> x<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> <span class="Comment">// no jump by default</span>
<span id="L87" class="LineNr"> 87 </span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L88" class="LineNr"> 88 </span> <span class="Delimiter">}</span>
<span id="L89" class="LineNr"> 89 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>offset<span class="Delimiter">,</span> x<span class="Delimiter">.</span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L90" class="LineNr"> 90 </span> <a href='003trace.cc.html#L174'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"can't find label '"</span> << x<span class="Delimiter">.</span>name << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
<span id="L91" class="LineNr"> 91 </span> x<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> <span class="Comment">// no jump by default</span>
<span id="L92" class="LineNr"> 92 </span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L93" class="LineNr"> 93 </span> <span class="Delimiter">}</span>
<span id="L94" class="LineNr"> 94 </span> x<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>offset<span class="Delimiter">,</span> x<span class="Delimiter">.</span>name<span class="Delimiter">)</span> - current_offset<span class="Delimiter">);</span>
<span id="L95" class="LineNr"> 95 </span><span class="Delimiter">}</span>
<span id="L96" class="LineNr"> 96 </span>
<span id="L97" class="LineNr"> 97 </span><span class="Delimiter">:(scenario break_to_label)</span>
<span id="L98" class="LineNr"> 98 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L99" class="LineNr"> 99 </span> <span class="Delimiter">{</span>
<span id="L100" class="LineNr">100 </span> <span class="Delimiter">{</span>
<span id="L101" class="LineNr">101 </span> <span class="Identifier">break</span> <span class="Constant">+target:label</span>
<span id="L102" class="LineNr">102 </span> <span class="Constant">1</span>:num<span class="Special"> <- </span>copy <span class="Constant">0</span>
<span id="L103" class="LineNr">103 </span> <span class="Delimiter">}</span>
<span id="L104" class="LineNr">104 </span> <span class="Delimiter">}</span>
<span id="L105" class="LineNr">105 </span> +target
<span id="L106" class="LineNr">106 </span>]
<span id="L107" class="LineNr">107 </span><span class="traceAbsent">-mem: storing 0 in location 1</span>
<span id="L108" class="LineNr">108 </span>
<span id="L109" class="LineNr">109 </span><span class="Delimiter">:(scenario jump_if_to_label)</span>
<span id="L110" class="LineNr">110 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L111" class="LineNr">111 </span> <span class="Delimiter">{</span>
<span id="L112" class="LineNr">112 </span> <span class="Delimiter">{</span>
<span id="L113" class="LineNr">113 </span> jump-<span class="Normal">if</span> <span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">+target:label</span>
<span id="L114" class="LineNr">114 </span> <span class="Constant">1</span>:num<span class="Special"> <- </span>copy <span class="Constant">0</span>
<span id="L115" class="LineNr">115 </span> <span class="Delimiter">}</span>
<span id="L116" class="LineNr">116 </span> <span class="Delimiter">}</span>
<span id="L117" class="LineNr">117 </span> +target
<span id="L118" class="LineNr">118 </span>]
<span id="L119" class="LineNr">119 </span><span class="traceAbsent">-mem: storing 0 in location 1</span>
<span id="L120" class="LineNr">120 </span>
<span id="L121" class="LineNr">121 </span><span class="Delimiter">:(scenario loop_unless_to_label)</span>
<span id="L122" class="LineNr">122 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L123" class="LineNr">123 </span> <span class="Delimiter">{</span>
<span id="L124" class="LineNr">124 </span> <span class="Delimiter">{</span>
<span id="L125" class="LineNr">125 </span> loop-unless <span class="Constant">0</span><span class="Delimiter">,</span> <span class="Constant">+target:label</span> <span class="Comment"># loop/break with a label don't care about braces</span>
<span id="L126" class="LineNr">126 </span> <span class="Constant">1</span>:num<span class="Special"> <- </span>copy <span class="Constant">0</span>
<span id="L127" class="LineNr">127 </span> <span class="Delimiter">}</span>
<span id="L128" class="LineNr">128 </span> <span class="Delimiter">}</span>
<span id="L129" class="LineNr">129 </span> +target
<span id="L130" class="LineNr">130 </span>]
<span id="L131" class="LineNr">131 </span><span class="traceAbsent">-mem: storing 0 in location 1</span>
<span id="L132" class="LineNr">132 </span>
<span id="L133" class="LineNr">133 </span><span class="Delimiter">:(scenario jump_runs_code_after_label)</span>
<span id="L134" class="LineNr">134 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L135" class="LineNr">135 </span> <span class="Comment"># first a few lines of padding to exercise the offset computation</span>
<span id="L136" class="LineNr">136 </span> <span class="Constant">1</span>:num<span class="Special"> <- </span>copy <span class="Constant">0</span>
<span id="L137" class="LineNr">137 </span> <span class="Constant">2</span>:num<span class="Special"> <- </span>copy <span class="Constant">0</span>
<span id="L138" class="LineNr">138 </span> <span class="Constant">3</span>:num<span class="Special"> <- </span>copy <span class="Constant">0</span>
<span id="L139" class="LineNr">139 </span> jump <span class="Constant">+target:label</span>
<span id="L140" class="LineNr">140 </span> <span class="Constant">4</span>:num<span class="Special"> <- </span>copy <span class="Constant">0</span>
<span id="L141" class="LineNr">141 </span> +target
<span id="L142" class="LineNr">142 </span> <span class="Constant">5</span>:num<span class="Special"> <- </span>copy <span class="Constant">0</span>
<span id="L143" class="LineNr">143 </span>]
<span id="L144" class="LineNr">144 </span><span class="traceContains">+mem: storing 0 in location 5</span>
<span id="L145" class="LineNr">145 </span><span class="traceAbsent">-mem: storing 0 in location 4</span>
<span id="L146" class="LineNr">146 </span>
<span id="L147" class="LineNr">147 </span><span class="Delimiter">:(scenario jump_fails_without_target)</span>
<span id="L148" class="LineNr">148 </span><span class="Special">% Hide_errors = true;</span>
<span id="L149" class="LineNr">149 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L150" class="LineNr">150 </span> jump
<span id="L151" class="LineNr">151 </span>]
<span id="L152" class="LineNr">152 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: 'jump' expects an ingredient but got 0</span>
<span id="L153" class="LineNr">153 </span>
<span id="L154" class="LineNr">154 </span><span class="Delimiter">:(scenario jump_fails_without_target_2)</span>
<span id="L155" class="LineNr">155 </span><span class="Special">% Hide_errors = true;</span>
<span id="L156" class="LineNr">156 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L157" class="LineNr">157 </span> jump-<span class="Normal">if</span> <span class="Constant">1</span>/<span class="Constant">true</span>
<span id="L158" class="LineNr">158 </span>]
<span id="L159" class="LineNr">159 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: 'jump-if 1/true' expects 2 ingredients but got 1</span>
<span id="L160" class="LineNr">160 </span>
<span id="L161" class="LineNr">161 </span><span class="Delimiter">:(scenario recipe_fails_on_duplicate_jump_target)</span>
<span id="L162" class="LineNr">162 </span><span class="Special">% Hide_errors = true;</span>
<span id="L163" class="LineNr">163 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L164" class="LineNr">164 </span> +label
<span id="L165" class="LineNr">165 </span> <span class="Constant">1</span>:num<span class="Special"> <- </span>copy <span class="Constant">0</span>
<span id="L166" class="LineNr">166 </span> +label
<span id="L167" class="LineNr">167 </span> <span class="Constant">2</span>:num<span class="Special"> <- </span>copy <span class="Constant">0</span>
<span id="L168" class="LineNr">168 </span>]
<span id="L169" class="LineNr">169 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: duplicate label '+label'</span>
<span id="L170" class="LineNr">170 </span>
<span id="L171" class="LineNr">171 </span><span class="Delimiter">:(scenario jump_ignores_nontarget_label)</span>
<span id="L172" class="LineNr">172 </span><span class="Special">% Hide_errors = true;</span>
<span id="L173" class="LineNr">173 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L174" class="LineNr">174 </span> <span class="Comment"># first a few lines of padding to exercise the offset computation</span>
<span id="L175" class="LineNr">175 </span> <span class="Constant">1</span>:num<span class="Special"> <- </span>copy <span class="Constant">0</span>
<span id="L176" class="LineNr">176 </span> <span class="Constant">2</span>:num<span class="Special"> <- </span>copy <span class="Constant">0</span>
<span id="L177" class="LineNr">177 </span> <span class="Constant">3</span>:num<span class="Special"> <- </span>copy <span class="Constant">0</span>
<span id="L178" class="LineNr">178 </span> jump <span class="Constant">$target:label</span>
<span id="L179" class="LineNr">179 </span> <span class="Constant">4</span>:num<span class="Special"> <- </span>copy <span class="Constant">0</span>
<span id="L180" class="LineNr">180 </span> $target
<span id="L181" class="LineNr">181 </span> <span class="Constant">5</span>:num<span class="Special"> <- </span>copy <span class="Constant">0</span>
<span id="L182" class="LineNr">182 </span>]
<span id="L183" class="LineNr">183 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: can't jump to label '$target'</span>
</pre>
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