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<pre id='vimCodeElement'>
<span id="L1" class="LineNr"> 1 </span><span class="Comment">//: Advanced notation for the common/easy case where a recipe takes some fixed</span>
<span id="L2" class="LineNr"> 2 </span><span class="Comment">//: number of ingredients and yields some fixed number of products.</span>
<span id="L3" class="LineNr"> 3 </span>
<span id="L4" class="LineNr"> 4 </span><span class="Delimiter">:(scenario recipe_with_header)</span>
<span id="L5" class="LineNr"> 5 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L6" class="LineNr"> 6 </span> <span class="Constant">1</span>:num/<span class="Special">raw <- </span>add2 <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">5</span>
<span id="L7" class="LineNr"> 7 </span>]
<span id="L8" class="LineNr"> 8 </span><span class="muRecipe">def</span> add2 x:num<span class="Delimiter">,</span> y:num<span class="muRecipe"> -> </span>z:num [
<span id="L9" class="LineNr"> 9 </span> local-scope
<span id="L10" class="LineNr"> 10 </span> load-ingredients
<span id="L11" class="LineNr"> 11 </span> <span class="Normal">z</span>:num<span class="Special"> <- </span>add x<span class="Delimiter">,</span> y
<span id="L12" class="LineNr"> 12 </span> <span class="Identifier">return</span> z
<span id="L13" class="LineNr"> 13 </span>]
<span id="L14" class="LineNr"> 14 </span><span class="traceContains">+mem: storing 8 in location 1</span>
<span id="L15" class="LineNr"> 15 </span>
<span id="L16" class="LineNr"> 16 </span><span class="Comment">//: When loading recipes save any header.</span>
<span id="L17" class="LineNr"> 17 </span>
<span id="L18" class="LineNr"> 18 </span><span class="Delimiter">:(before "End <a href='010vm.cc.html#L19'>recipe</a> Fields")</span>
<span id="L19" class="LineNr"> 19 </span><span class="Normal">bool</span> has_header<span class="Delimiter">;</span>
<span id="L20" class="LineNr"> 20 </span>vector<reagent> ingredients<span class="Delimiter">;</span>
<span id="L21" class="LineNr"> 21 </span>vector<reagent> products<span class="Delimiter">;</span>
<span id="L22" class="LineNr"> 22 </span><span class="Delimiter">:(before "End <a href='010vm.cc.html#L19'>recipe</a> Constructor")</span>
<span id="L23" class="LineNr"> 23 </span>has_header = <span class="Constant">false</span><span class="Delimiter">;</span>
<span id="L24" class="LineNr"> 24 </span>
<span id="L25" class="LineNr"> 25 </span><span class="Delimiter">:(before "End Recipe Refinements")</span>
<span id="L26" class="LineNr"> 26 </span><span class="Normal">if</span> <span class="Delimiter">(</span>in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> != <span class="Constant">'['</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L27" class="LineNr"> 27 </span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"recipe has a header; parsing"</span> << <a href='003trace.cc.html#L197'>end</a><span class="Delimiter">();</span>
<span id="L28" class="LineNr"> 28 </span> <a href='053recipe_header.cc.html#L32'>load_recipe_header</a><span class="Delimiter">(</span>in<span class="Delimiter">,</span> result<span class="Delimiter">);</span>
<span id="L29" class="LineNr"> 29 </span><span class="Delimiter">}</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='053recipe_header.cc.html#L32'>load_recipe_header</a><span class="Delimiter">(</span>istream& in<span class="Delimiter">,</span> recipe& result<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L33" class="LineNr"> 33 </span> result<span class="Delimiter">.</span>has_header = <span class="Constant">true</span><span class="Delimiter">;</span>
<span id="L34" class="LineNr"> 34 </span> <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L239'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">)</span> && in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> != <span class="Constant">'['</span> && in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> != <span class="cSpecial">'\n'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L35" class="LineNr"> 35 </span> <span class="Conceal">¦</span> string s = <a href='011load.cc.html#L167'>next_word</a><span class="Delimiter">(</span>in<span class="Delimiter">);</span>
<span id="L36" class="LineNr"> 36 </span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>s<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
<span id="L37" class="LineNr"> 37 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> assert<span class="Delimiter">(</span>!has_data<span class="Delimiter">(</span>in<span class="Delimiter">));</span>
<span id="L38" class="LineNr"> 38 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> << <span class="Constant">"incomplete <a href='010vm.cc.html#L19'>recipe</a> header at <a href='003trace.cc.html#L197'>end</a> of file (0)</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L197'>end</a><span class="Delimiter">();</span>
<span id="L39" class="LineNr"> 39 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L40" class="LineNr"> 40 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
<span id="L41" class="LineNr"> 41 </span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>s == <span class="Constant">"<-"</span><span class="Delimiter">)</span>
<span id="L42" class="LineNr"> 42 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> << <span class="Constant">"recipe "</span> << result<span class="Delimiter">.</span>name << <span class="Constant">" should say '->' and not '<-'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L197'>end</a><span class="Delimiter">();</span>
<span id="L43" class="LineNr"> 43 </span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>s == <span class="Constant">"->"</span><span class="Delimiter">)</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L44" class="LineNr"> 44 </span> <span class="Conceal">¦</span> result<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>reagent<span class="Delimiter">(</span>s<span class="Delimiter">));</span>
<span id="L45" class="LineNr"> 45 </span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"header ingredient: "</span> << result<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>back<span class="Delimiter">().</span>original_string << <a href='003trace.cc.html#L197'>end</a><span class="Delimiter">();</span>
<span id="L46" class="LineNr"> 46 </span> <span class="Conceal">¦</span> skip_whitespace_but_not_newline<span class="Delimiter">(</span>in<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">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L239'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">)</span> && in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> != <span class="Constant">'['</span> && in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> != <span class="cSpecial">'\n'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L49" class="LineNr"> 49 </span> <span class="Conceal">¦</span> string s = <a href='011load.cc.html#L167'>next_word</a><span class="Delimiter">(</span>in<span class="Delimiter">);</span>
<span id="L50" class="LineNr"> 50 </span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>s<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
<span id="L51" class="LineNr"> 51 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> assert<span class="Delimiter">(</span>!has_data<span class="Delimiter">(</span>in<span class="Delimiter">));</span>
<span id="L52" class="LineNr"> 52 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> << <span class="Constant">"incomplete <a href='010vm.cc.html#L19'>recipe</a> header at <a href='003trace.cc.html#L197'>end</a> of file (1)</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L197'>end</a><span class="Delimiter">();</span>
<span id="L53" class="LineNr"> 53 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L54" class="LineNr"> 54 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
<span id="L55" class="LineNr"> 55 </span> <span class="Conceal">¦</span> result<span class="Delimiter">.</span>products<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>reagent<span class="Delimiter">(</span>s<span class="Delimiter">));</span>
<span id="L56" class="LineNr"> 56 </span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"header product: "</span> << result<span class="Delimiter">.</span>products<span class="Delimiter">.</span>back<span class="Delimiter">().</span>original_string << <a href='003trace.cc.html#L197'>end</a><span class="Delimiter">();</span>
<span id="L57" class="LineNr"> 57 </span> <span class="Conceal">¦</span> skip_whitespace_but_not_newline<span class="Delimiter">(</span>in<span class="Delimiter">);</span>
<span id="L58" class="LineNr"> 58 </span> <span class="Delimiter">}</span>
<span id="L59" class="LineNr"> 59 </span> <span class="Comment">// End Load Recipe Header(result)</span>
<span id="L60" class="LineNr"> 60 </span><span class="Delimiter">}</span>
<span id="L61" class="LineNr"> 61 </span>
<span id="L62" class="LineNr"> 62 </span><span class="Delimiter">:(scenario recipe_handles_stray_comma)</span>
<span id="L63" class="LineNr"> 63 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L64" class="LineNr"> 64 </span> <span class="Constant">1</span>:num/<span class="Special">raw <- </span>add2 <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">5</span>
<span id="L65" class="LineNr"> 65 </span>]
<span id="L66" class="LineNr"> 66 </span><span class="muRecipe">def</span> add2 x:num<span class="Delimiter">,</span> y:num<span class="muRecipe"> -> </span>z:num<span class="Delimiter">,</span> [
<span id="L67" class="LineNr"> 67 </span> local-scope
<span id="L68" class="LineNr"> 68 </span> load-ingredients
<span id="L69" class="LineNr"> 69 </span> <span class="Normal">z</span>:num<span class="Special"> <- </span>add x<span class="Delimiter">,</span> y
<span id="L70" class="LineNr"> 70 </span> <span class="Identifier">return</span> z
<span id="L71" class="LineNr"> 71 </span>]
<span id="L72" class="LineNr"> 72 </span><span class="traceContains">+mem: storing 8 in location 1</span>
<span id="L73" class="LineNr"> 73 </span>
<span id="L74" class="LineNr"> 74 </span><span class="Delimiter">:(scenario recipe_handles_stray_comma_2)</span>
<span id="L75" class="LineNr"> 75 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L76" class="LineNr"> 76 </span> foo
<span id="L77" class="LineNr"> 77 </span>]
<span id="L78" class="LineNr"> 78 </span><span class="muRecipe">def</span> foo<span class="Delimiter">,</span> [
<span id="L79" class="LineNr"> 79 </span> <span class="Constant">1</span>:num/<span class="Special">raw <- </span>add <span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">2</span>
<span id="L80" class="LineNr"> 80 </span>]
<span id="L81" class="LineNr"> 81 </span><span class="muRecipe">def</span> bar [
<span id="L82" class="LineNr"> 82 </span> <span class="Constant">1</span>:num/<span class="Special">raw <- </span>add <span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">3</span>
<span id="L83" class="LineNr"> 83 </span>]
<span id="L84" class="LineNr"> 84 </span><span class="traceContains">+mem: storing 4 in location 1</span>
<span id="L85" class="LineNr"> 85 </span>
<span id="L86" class="LineNr"> 86 </span><span class="Delimiter">:(scenario recipe_handles_wrong_arrow)</span>
<span id="L87" class="LineNr"> 87 </span><span class="Special">% Hide_errors = true;</span>
<span id="L88" class="LineNr"> 88 </span><span class="muRecipe">def</span> foo a:num<span class="Special"> <- </span>b:num [
<span id="L89" class="LineNr"> 89 </span>]
<span id="L90" class="LineNr"> 90 </span><span class="traceContains">+error: <a href='010vm.cc.html#L19'>recipe</a> foo should say '->' and not '<-'</span>
<span id="L91" class="LineNr"> 91 </span>
<span id="L92" class="LineNr"> 92 </span><span class="Delimiter">:(scenario recipe_handles_missing_bracket)</span>
<span id="L93" class="LineNr"> 93 </span><span class="Special">% Hide_errors = true;</span>
<span id="L94" class="LineNr"> 94 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a>
<span id="L95" class="LineNr"> 95 </span><span class="Error">]</span>
<span id="L96" class="LineNr"> 96 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: <a href='010vm.cc.html#L19'>recipe</a> body must begin with '['</span>
<span id="L97" class="LineNr"> 97 </span>
<span id="L98" class="LineNr"> 98 </span><span class="Delimiter">:(scenario recipe_handles_missing_bracket_2)</span>
<span id="L99" class="LineNr"> 99 </span><span class="Special">% Hide_errors = true;</span>
<span id="L100" class="LineNr">100 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a>
<span id="L101" class="LineNr">101 </span> local-scope
<span id="L102" class="LineNr">102 </span> <span class="Delimiter">{</span>
<span id="L103" class="LineNr">103 </span> <span class="Delimiter">}</span>
<span id="L104" class="LineNr">104 </span><span class="Error">]</span>
<span id="L105" class="LineNr">105 </span><span class="Comment"># doesn't overflow line when reading header</span>
<span id="L106" class="LineNr">106 </span><span class="traceAbsent">-parse: header ingredient: local-scope</span>
<span id="L107" class="LineNr">107 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: <a href='010vm.cc.html#L19'>recipe</a> body must begin with '['</span>
<span id="L108" class="LineNr">108 </span>
<span id="L109" class="LineNr">109 </span><span class="Delimiter">:(scenario recipe_handles_missing_bracket_3)</span>
<span id="L110" class="LineNr">110 </span><span class="Special">% Hide_errors = true;</span>
<span id="L111" class="LineNr">111 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> <span class="Comment"># comment</span>
<span id="L112" class="LineNr">112 </span> local-scope
<span id="L113" class="LineNr">113 </span> <span class="Delimiter">{</span>
<span id="L114" class="LineNr">114 </span> <span class="Delimiter">}</span>
<span id="L115" class="LineNr">115 </span><span class="Error">]</span>
<span id="L116" class="LineNr">116 </span><span class="Comment"># doesn't overflow line when reading header</span>
<span id="L117" class="LineNr">117 </span><span class="traceAbsent">-parse: header ingredient: local-scope</span>
<span id="L118" class="LineNr">118 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: <a href='010vm.cc.html#L19'>recipe</a> body must begin with '['</span>
<span id="L119" class="LineNr">119 </span>
<span id="L120" class="LineNr">120 </span><span class="Delimiter">:(after "Begin debug_string(recipe x)")</span>
<span id="L121" class="LineNr">121 </span>out << <span class="Constant">"ingredients:</span><span class="cSpecial">\n</span><span class="Constant">"</span><span class="Delimiter">;</span>
<span id="L122" class="LineNr">122 </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>x<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span>
<span id="L123" class="LineNr">123 </span> out << <span class="Constant">" "</span> << debug_string<span class="Delimiter">(</span>x<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
<span id="L124" class="LineNr">124 </span>out << <span class="Constant">"products:</span><span class="cSpecial">\n</span><span class="Constant">"</span><span class="Delimiter">;</span>
<span id="L125" class="LineNr">125 </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>x<span class="Delimiter">.</span>products<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span>
<span id="L126" class="LineNr">126 </span> out << <span class="Constant">" "</span> << debug_string<span class="Delimiter">(</span>x<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
<span id="L127" class="LineNr">127 </span>
<span id="L128" class="LineNr">128 </span><span class="Comment">//: If a recipe never mentions any ingredients or products, assume it has a header.</span>
<span id="L129" class="LineNr">129 </span>
<span id="L130" class="LineNr">130 </span><span class="Delimiter">:(scenario recipe_without_ingredients_or_products_has_header)</span>
<span id="L131" class="LineNr">131 </span><span class="muRecipe">def</span> test [
<span id="L132" class="LineNr">132 </span> <span class="Constant">1</span>:num<span class="Special"> <- </span>copy <span class="Constant">34</span>
<span id="L133" class="LineNr">133 </span>]
<span id="L134" class="LineNr">134 </span><span class="traceContains">+parse: <a href='010vm.cc.html#L19'>recipe</a> test has a header</span>
<span id="L135" class="LineNr">135 </span>
<span id="L136" class="LineNr">136 </span><span class="Delimiter">:(before "End Recipe Body(result)")</span>
<span id="L137" class="LineNr">137 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!result<span class="Delimiter">.</span>has_header<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L138" class="LineNr">138 </span> result<span class="Delimiter">.</span>has_header = <span class="Constant">true</span><span class="Delimiter">;</span>
<span id="L139" class="LineNr">139 </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>result<span class="Delimiter">.</span>steps<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L140" class="LineNr">140 </span> <span class="Conceal">¦</span> <span class="Normal">const</span> instruction& inst = result<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span id="L141" class="LineNr">141 </span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">((</span>inst<span class="Delimiter">.</span>name == <span class="Constant">"reply"</span> && !inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span>
<span id="L142" class="LineNr">142 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> || <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">"return"</span> && !inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span>
<span id="L143" class="LineNr">143 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> || inst<span class="Delimiter">.</span>name == <span class="Constant">"next-ingredient"</span>
<span id="L144" class="LineNr">144 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> || inst<span class="Delimiter">.</span>name == <span class="Constant">"ingredient"</span>
<span id="L145" class="LineNr">145 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> || inst<span class="Delimiter">.</span>name == <span class="Constant">"rewind-ingredients"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L146" class="LineNr">146 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> result<span class="Delimiter">.</span>has_header = <span class="Constant">false</span><span class="Delimiter">;</span>
<span id="L147" class="LineNr">147 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L148" class="LineNr">148 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
<span id="L149" class="LineNr">149 </span> <span class="Delimiter">}</span>
<span id="L150" class="LineNr">150 </span><span class="Delimiter">}</span>
<span id="L151" class="LineNr">151 </span><span class="Normal">if</span> <span class="Delimiter">(</span>result<span class="Delimiter">.</span>has_header<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L152" class="LineNr">152 </span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"recipe "</span> << result<span class="Delimiter">.</span>name << <span class="Constant">" has a header"</span> << <a href='003trace.cc.html#L197'>end</a><span class="Delimiter">();</span>
<span id="L153" class="LineNr">153 </span><span class="Delimiter">}</span>
<span id="L154" class="LineNr">154 </span>
<span id="L155" class="LineNr">155 </span><span class="Comment">//: Support type abbreviations in headers.</span>
<span id="L156" class="LineNr">156 </span>
<span id="L157" class="LineNr">157 </span><span class="Delimiter">:(scenario type_abbreviations_in_recipe_headers)</span>
<span id="L158" class="LineNr">158 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L159" class="LineNr">159 </span> local-scope
<span id="L160" class="LineNr">160 </span> <span class="Normal">a</span>:text<span class="Special"> <- </span>foo
<span id="L161" class="LineNr">161 </span> <span class="Constant">1</span>:<span class="Normal">char</span>/<span class="Special">raw <- </span>index *a<span class="Delimiter">,</span> <span class="Constant">0</span>
<span id="L162" class="LineNr">162 </span>]
<span id="L163" class="LineNr">163 </span><span class="muRecipe">def</span> foo<span class="muRecipe"> -> </span>a:text [ <span class="Comment"># 'text' is an abbreviation</span>
<span id="L164" class="LineNr">164 </span> local-scope
<span id="L165" class="LineNr">165 </span> load-ingredients
<span id="L166" class="LineNr">166 </span> a<span class="Special"> <- </span><span class="Normal">new</span> [abc]
<span id="L167" class="LineNr">167 </span>]
<span id="L168" class="LineNr">168 </span><span class="traceContains">+mem: storing 97 in location 1</span>
<span id="L169" class="LineNr">169 </span>
<span id="L170" class="LineNr">170 </span><span class="Delimiter">:(before "End Expand Type Abbreviations(caller)")</span>
<span id="L171" class="LineNr">171 </span><span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</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>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span>
<span id="L172" class="LineNr">172 </span> expand_type_abbreviations<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">);</span>
<span id="L173" class="LineNr">173 </span><span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</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>caller<span class="Delimiter">.</span>products<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span>
<span id="L174" class="LineNr">174 </span> expand_type_abbreviations<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">);</span>
<span id="L175" class="LineNr">175 </span>
<span id="L176" class="LineNr">176 </span><span class="Comment">//: Rewrite 'load-ingredients' to instructions to create all reagents in the header.</span>
<span id="L177" class="LineNr">177 </span>
<span id="L178" class="LineNr">178 </span><span class="Delimiter">:(before "End Rewrite Instruction(curr, <a href='010vm.cc.html#L19'>recipe</a> result)")</span>
<span id="L179" class="LineNr">179 </span><span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">.</span>name == <span class="Constant">"load-ingredients"</span> || curr<span class="Delimiter">.</span>name == <span class="Constant">"load-inputs"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L180" class="LineNr">180 </span> curr<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
<span id="L181" class="LineNr">181 </span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> op = get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"next-ingredient-without-typechecking"</span><span class="Delimiter">);</span>
<span id="L182" class="LineNr">182 </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>result<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L183" class="LineNr">183 </span> <span class="Conceal">¦</span> curr<span class="Delimiter">.</span>operation = op<span class="Delimiter">;</span>
<span id="L184" class="LineNr">184 </span> <span class="Conceal">¦</span> curr<span class="Delimiter">.</span>name = <span class="Constant">"next-ingredient-without-typechecking"</span><span class="Delimiter">;</span>
<span id="L185" class="LineNr">185 </span> <span class="Conceal">¦</span> curr<span class="Delimiter">.</span>products<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>result<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
<span id="L186" class="LineNr">186 </span> <span class="Conceal">¦</span> result<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>curr<span class="Delimiter">);</span>
<span id="L187" class="LineNr">187 </span> <span class="Conceal">¦</span> curr<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
<span id="L188" class="LineNr">188 </span> <span class="Delimiter">}</span>
<span id="L189" class="LineNr">189 </span><span class="Delimiter">}</span>
<span id="L190" class="LineNr">190 </span><span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">.</span>name == <span class="Constant">"next-ingredient-without-typechecking"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L191" class="LineNr">191 </span> <a href='003trace.cc.html#L168'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>result<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"never call 'next-ingredient-without-typechecking' directly</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L197'>end</a><span class="Delimiter">();</span>
<span id="L192" class="LineNr">192 </span> curr<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
<span id="L193" class="LineNr">193 </span><span class="Delimiter">}</span>
<span id="L194" class="LineNr">194 </span>
<span id="L195" class="LineNr">195 </span><span class="Comment">//: internal version of next-ingredient; don't call this directly</span>
<span id="L196" class="LineNr">196 </span><span class="Delimiter">:(before "End Primitive Recipe Declarations")</span>
<span id="L197" class="LineNr">197 </span>NEXT_INGREDIENT_WITHOUT_TYPECHECKING<span class="Delimiter">,</span>
<span id="L198" class="LineNr">198 </span><span class="Delimiter">:(before "End Primitive Recipe Numbers")</span>
<span id="L199" class="LineNr">199 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"next-ingredient-without-typechecking"</span><span class="Delimiter">,</span> NEXT_INGREDIENT_WITHOUT_TYPECHECKING<span class="Delimiter">);</span>
<span id="L200" class="LineNr">200 </span><span class="Delimiter">:(before "End Primitive Recipe Checks")</span>
<span id="L201" class="LineNr">201 </span><span class="Normal">case</span> NEXT_INGREDIENT_WITHOUT_TYPECHECKING: <span class="Delimiter">{</span>
<span id="L202" class="LineNr">202 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L203" class="LineNr">203 </span><span class="Delimiter">}</span>
<span id="L204" class="LineNr">204 </span><span class="Delimiter">:(before "End Primitive Recipe Implementations")</span>
<span id="L205" class="LineNr">205 </span><span class="Normal">case</span> NEXT_INGREDIENT_WITHOUT_TYPECHECKING: <span class="Delimiter">{</span>
<span id="L206" class="LineNr">206 </span> assert<span class="Delimiter">(</span>!Current_routine<span class="Delimiter">-></span>calls<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
<span id="L207" class="LineNr">207 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='026call.cc.html#L81'>current_call</a><span class="Delimiter">().</span>next_ingredient_to_process < <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span><a href='026call.cc.html#L81'>current_call</a><span class="Delimiter">().</span>ingredient_atoms<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L208" class="LineNr">208 </span> <span class="Conceal">¦</span> products<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>
<span id="L209" class="LineNr">209 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='026call.cc.html#L81'>current_call</a><span class="Delimiter">().</span>ingredient_atoms<span class="Delimiter">.</span>at<span class="Delimiter">(</span><a href='026call.cc.html#L81'>current_call</a><span class="Delimiter">().</span>next_ingredient_to_process<span class="Delimiter">));</span>
<span id="L210" class="LineNr">210 </span> <span class="Conceal">¦</span> assert<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>products<span class="Delimiter">)</span> == <span class="Constant">1</span><span class="Delimiter">);</span> products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">);</span> <span class="Comment">// push a new vector</span>
<span id="L211" class="LineNr">211 </span> <span class="Conceal">¦</span> products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
<span id="L212" class="LineNr">212 </span> <span class="Conceal">¦</span> ++current_call<span class="Delimiter">().</span>next_ingredient_to_process<span class="Delimiter">;</span>
<span id="L213" class="LineNr">213 </span> <span class="Delimiter">}</span>
<span id="L214" class="LineNr">214 </span> <span class="Normal">else</span> <span class="Delimiter">{</span>
<span id="L215" class="LineNr">215 </span> <span class="Conceal">¦</span> products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">);</span>
<span id="L216" class="LineNr">216 </span> <span class="Conceal">¦</span> <span class="Comment">// pad the first product with sufficient zeros to match its type</span>
<span id="L217" class="LineNr">217 </span> <span class="Conceal">¦</span> products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>resize<span class="Delimiter">(</span>size_of<span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_instruction</a><span class="Delimiter">().</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)));</span>
<span id="L218" class="LineNr">218 </span> <span class="Conceal">¦</span> products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L219" class="LineNr">219 </span> <span class="Delimiter">}</span>
<span id="L220" class="LineNr">220 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L221" class="LineNr">221 </span><span class="Delimiter">}</span>
<span id="L222" class="LineNr">222 </span>
<span id="L223" class="LineNr">223 </span><span class="Comment">//: more useful error messages if someone forgets 'load-ingredients'</span>
<span id="L224" class="LineNr">224 </span>
<span id="L225" class="LineNr">225 </span><span class="Delimiter">:(scenario load_ingredients_missing_error)</span>
<span id="L226" class="LineNr">226 </span><span class="Special">% Hide_errors = true;</span>
<span id="L227" class="LineNr">227 </span><span class="muRecipe">def</span> foo a:num [
<span id="L228" class="LineNr">228 </span> local-scope
<span id="L229" class="LineNr">229 </span> <span class="Normal">b</span>:num<span class="Special"> <- </span>add a:num<span class="Delimiter">,</span> <span class="Constant">1</span>
<span id="L230" class="LineNr">230 </span>]
<span id="L231" class="LineNr">231 </span><span class="traceContains">+error: foo: tried to read ingredient 'a' in 'b:num <- add a:num, 1' but it hasn't been written to yet</span>
<span id="L232" class="LineNr">232 </span><span class="traceContains">+error: did you forget 'load-ingredients'?</span>
<span id="L233" class="LineNr">233 </span>
<span id="L234" class="LineNr">234 </span><span class="Delimiter">:(after "use-before-set Error")</span>
<span id="L235" class="LineNr">235 </span><span class="Normal">if</span> <span class="Delimiter">(</span>is_present_in_ingredients<span class="Delimiter">(</span>caller<span class="Delimiter">,</span> ingredient<span class="Delimiter">.</span>name<span class="Delimiter">))</span>
<span id="L236" class="LineNr">236 </span> <a href='003trace.cc.html#L168'>raise</a> << <span class="Constant">" did you forget 'load-ingredients'?</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L197'>end</a><span class="Delimiter">();</span>
<span id="L237" class="LineNr">237 </span>
<span id="L238" class="LineNr">238 </span><span class="Delimiter">:(scenario load_ingredients_missing_error_2)</span>
<span id="L239" class="LineNr">239 </span><span class="Special">% Hide_errors = true;</span>
<span id="L240" class="LineNr">240 </span><span class="muRecipe">def</span> foo a:num [
<span id="L241" class="LineNr">241 </span> local-scope
<span id="L242" class="LineNr">242 </span> <span class="Normal">b</span>:num<span class="Special"> <- </span>add a<span class="Delimiter">,</span> <span class="Constant">1</span>
<span id="L243" class="LineNr">243 </span>]
<span id="L244" class="LineNr">244 </span><span class="traceContains">+error: foo: missing type for 'a' in 'b:num <- add a, 1'</span>
<span id="L245" class="LineNr">245 </span><span class="traceContains">+error: did you forget 'load-ingredients'?</span>
<span id="L246" class="LineNr">246 </span>
<span id="L247" class="LineNr">247 </span><span class="Delimiter">:(after "missing-type Error 1")</span>
<span id="L248" class="LineNr">248 </span><span class="Normal">if</span> <span class="Delimiter">(</span>is_present_in_ingredients<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> recipe_name<span class="Delimiter">)),</span> x<span class="Delimiter">.</span>name<span class="Delimiter">))</span>
<span id="L249" class="LineNr">249 </span> <a href='003trace.cc.html#L168'>raise</a> << <span class="Constant">" did you forget 'load-ingredients'?</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L197'>end</a><span class="Delimiter">();</span>
<span id="L250" class="LineNr">250 </span>
<span id="L251" class="LineNr">251 </span><span class="Delimiter">:(code)</span>
<span id="L252" class="LineNr">252 </span><span class="Normal">bool</span> is_present_in_ingredients<span class="Delimiter">(</span><span class="Normal">const</span> recipe& callee<span class="Delimiter">,</span> <span class="Normal">const</span> string& ingredient_name<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L253" class="LineNr">253 </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>callee<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L254" class="LineNr">254 </span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>callee<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name == ingredient_name<span class="Delimiter">)</span>
<span id="L255" class="LineNr">255 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
<span id="L256" class="LineNr">256 </span> <span class="Delimiter">}</span>
<span id="L257" class="LineNr">257 </span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
<span id="L258" class="LineNr">258 </span><span class="Delimiter">}</span>
<span id="L259" class="LineNr">259 </span>
<span id="L260" class="LineNr">260 </span><span class="SalientComment">//:: Check all calls against headers.</span>
<span id="L261" class="LineNr">261 </span>
<span id="L262" class="LineNr">262 </span><span class="Delimiter">:(scenario show_clear_error_on_bad_call)</span>
<span id="L263" class="LineNr">263 </span><span class="Special">% Hide_errors = true;</span>
<span id="L264" class="LineNr">264 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L265" class="LineNr">265 </span> <span class="Constant">1</span>:num<span class="Special"> <- </span>foo <span class="Constant">34</span>
<span id="L266" class="LineNr">266 </span>]
<span id="L267" class="LineNr">267 </span><span class="muRecipe">def</span> foo x:point<span class="muRecipe"> -> </span>y:num [
<span id="L268" class="LineNr">268 </span> local-scope
<span id="L269" class="LineNr">269 </span> load-ingredients
<span id="L270" class="LineNr">270 </span> <span class="Identifier">return</span> <span class="Constant">35</span>
<span id="L271" class="LineNr">271 </span>]
<span id="L272" class="LineNr">272 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: ingredient 0 has the wrong type at '1:num <- foo 34'</span>
<span id="L273" class="LineNr">273 </span>
<span id="L274" class="LineNr">274 </span><span class="Delimiter">:(scenario show_clear_error_on_bad_call_2)</span>
<span id="L275" class="LineNr">275 </span><span class="Special">% Hide_errors = true;</span>
<span id="L276" class="LineNr">276 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L277" class="LineNr">277 </span> <span class="Constant">1</span>:point<span class="Special"> <- </span>foo <span class="Constant">34</span>
<span id="L278" class="LineNr">278 </span>]
<span id="L279" class="LineNr">279 </span><span class="muRecipe">def</span> foo x:num<span class="muRecipe"> -> </span>y:num [
<span id="L280" class="LineNr">280 </span> local-scope
<span id="L281" class="LineNr">281 </span> load-ingredients
<span id="L282" class="LineNr">282 </span> <span class="Identifier">return</span> x
<span id="L283" class="LineNr">283 </span>]
<span id="L284" class="LineNr">284 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: product 0 has the wrong type at '1:point <- foo 34'</span>
<span id="L285" class="LineNr">285 </span>
<span id="L286" class="LineNr">286 </span><span class="Delimiter">:(after "Transform.push_back(check_instruction)")</span>
<span id="L287" class="LineNr">287 </span>Transform<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>check_calls_against_header<span class="Delimiter">);</span> <span class="Comment">// idempotent</span>
<span id="L288" class="LineNr">288 </span><span class="Delimiter">:(code)</span>
<span id="L289" class="LineNr">289 </span><span class="Normal">void</span> check_calls_against_header<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="L290" class="LineNr">290 </span> <span class="Normal">const</span> recipe& caller = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
<span id="L291" class="LineNr">291 </span> <a href='003trace.cc.html#L161'>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">"--- type-check calls inside <a href='010vm.cc.html#L19'>recipe</a> "</span> << caller<span class="Delimiter">.</span>name << <a href='003trace.cc.html#L197'>end</a><span class="Delimiter">();</span>
<span id="L292" class="LineNr">292 </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>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L293" class="LineNr">293 </span> <span class="Conceal">¦</span> <span class="Normal">const</span> instruction& inst = caller<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span id="L294" class="LineNr">294 </span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='028call_return.cc.html#L115'>is_primitive</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>operation<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L295" class="LineNr">295 </span> <span class="Conceal">¦</span> <span class="Normal">const</span> recipe& callee = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>operation<span class="Delimiter">);</span>
<span id="L296" class="LineNr">296 </span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!callee<span class="Delimiter">.</span>has_header<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L297" class="LineNr">297 </span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < min<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> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>callee<span class="Delimiter">.</span>ingredients<span class="Delimiter">));</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L298" class="LineNr">298 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// ingredients coerced from call to callee</span>
<span id="L299" class="LineNr">299 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!types_coercible<span class="Delimiter">(</span>callee<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
<span id="L300" class="LineNr">300 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"ingredient "</span> << i << <span class="Constant">" has the wrong type at '"</span> << to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L197'>end</a><span class="Delimiter">();</span>
<span id="L301" class="LineNr">301 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> << <span class="Constant">" ['"</span> << to_string<span class="Delimiter">(</span>callee<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">)</span> << <span class="Constant">"' vs '"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">)</span> << <span class="Constant">"']</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L197'>end</a><span class="Delimiter">();</span>
<span id="L302" class="LineNr">302 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
<span id="L303" class="LineNr">303 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
<span id="L304" class="LineNr">304 </span> <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < min<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">),</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>callee<span class="Delimiter">.</span>products<span class="Delimiter">));</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L305" class="LineNr">305 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_dummy<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L306" class="LineNr">306 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// products coerced from callee to call</span>
<span id="L307" class="LineNr">307 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!types_coercible<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> callee<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
<span id="L308" class="LineNr">308 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"product "</span> << i << <span class="Constant">" has the wrong type at '"</span> << to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L197'>end</a><span class="Delimiter">();</span>
<span id="L309" class="LineNr">309 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> << <span class="Constant">" ['"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">)</span> << <span class="Constant">"' vs '"</span> << to_string<span class="Delimiter">(</span>callee<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">)</span> << <span class="Constant">"']</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L197'>end</a><span class="Delimiter">();</span>
<span id="L310" class="LineNr">310 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
<span id="L311" class="LineNr">311 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
<span id="L312" class="LineNr">312 </span> <span class="Delimiter">}</span>
<span id="L313" class="LineNr">313 </span><span class="Delimiter">}</span>
<span id="L314" class="LineNr">314 </span>
<span id="L315" class="LineNr">315 </span><span class="SalientComment">//:: Check types going in and out of all recipes with headers.</span>
<span id="L316" class="LineNr">316 </span>
<span id="L317" class="LineNr">317 </span><span class="Delimiter">:(scenarios transform)</span>
<span id="L318" class="LineNr">318 </span><span class="Delimiter">:(scenario recipe_headers_are_checked)</span>
<span id="L319" class="LineNr">319 </span><span class="Special">% Hide_errors = true;</span>
<span id="L320" class="LineNr">320 </span><span class="muRecipe">def</span> add2 x:num<span class="Delimiter">,</span> y:num<span class="muRecipe"> -> </span>z:num [
<span id="L321" class="LineNr">321 </span> local-scope
<span id="L322" class="LineNr">322 </span> load-ingredients
<span id="L323" class="LineNr">323 </span> <span class="Normal">z</span>:&:num<span class="Special"> <- </span>copy <span class="Constant">0</span>/unsafe
<span id="L324" class="LineNr">324 </span> <span class="Identifier">return</span> z
<span id="L325" class="LineNr">325 </span>]
<span id="L326" class="LineNr">326 </span><span class="traceContains">+error: add2: replied with the wrong type at 'return z'</span>
<span id="L327" class="LineNr">327 </span>
<span id="L328" class="LineNr">328 </span><span class="Delimiter">:(before "End Checks")</span>
<span id="L329" class="LineNr">329 </span>Transform<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>check_return_instructions_against_header<span class="Delimiter">);</span> <span class="Comment">// idempotent</span>
<span id="L330" class="LineNr">330 </span>
<span id="L331" class="LineNr">331 </span><span class="Delimiter">:(code)</span>
<span id="L332" class="LineNr">332 </span><span class="Normal">void</span> check_return_instructions_against_header<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="L333" class="LineNr">333 </span> <span class="Normal">const</span> recipe& caller_recipe = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
<span id="L334" class="LineNr">334 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!caller_recipe<span class="Delimiter">.</span>has_header<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L335" class="LineNr">335 </span> <a href='003trace.cc.html#L161'>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">"--- checking return instructions against header for "</span> << caller_recipe<span class="Delimiter">.</span>name << <a href='003trace.cc.html#L197'>end</a><span class="Delimiter">();</span>
<span id="L336" class="LineNr">336 </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>caller_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L337" class="LineNr">337 </span> <span class="Conceal">¦</span> <span class="Normal">const</span> instruction& inst = caller_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span id="L338" class="LineNr">338 </span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name != <span class="Constant">"reply"</span> && inst<span class="Delimiter">.</span>name != <span class="Constant">"return"</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L339" class="LineNr">339 </span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>products<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="Delimiter">{</span>
<span id="L340" class="LineNr">340 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"replied with the wrong number of products at '"</span> << to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L197'>end</a><span class="Delimiter">();</span>
<span id="L341" class="LineNr">341 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L342" class="LineNr">342 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
<span id="L343" class="LineNr">343 </span> <span class="Conceal">¦</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>caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L344" class="LineNr">344 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!types_match<span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span>
<span id="L345" class="LineNr">345 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"replied with the wrong type at '"</span> << to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L197'>end</a><span class="Delimiter">();</span>
<span id="L346" class="LineNr">346 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
<span id="L347" class="LineNr">347 </span> <span class="Delimiter">}</span>
<span id="L348" class="LineNr">348 </span><span class="Delimiter">}</span>
<span id="L349" class="LineNr">349 </span>
<span id="L350" class="LineNr">350 </span><span class="Delimiter">:(scenario recipe_headers_are_checked_2)</span>
<span id="L351" class="LineNr">351 </span><span class="Special">% Hide_errors = true;</span>
<span id="L352" class="LineNr">352 </span><span class="muRecipe">def</span> add2 x:num<span class="Delimiter">,</span> y:num [
<span id="L353" class="LineNr">353 </span> local-scope
<span id="L354" class="LineNr">354 </span> load-ingredients
<span id="L355" class="LineNr">355 </span> <span class="Normal">z</span>:&:num<span class="Special"> <- </span>copy <span class="Constant">0</span>/unsafe
<span id="L356" class="LineNr">356 </span> <span class="Identifier">return</span> z
<span id="L357" class="LineNr">357 </span>]
<span id="L358" class="LineNr">358 </span><span class="traceContains">+error: add2: replied with the wrong number of products at 'return z'</span>
<span id="L359" class="LineNr">359 </span>
<span id="L360" class="LineNr">360 </span><span class="Delimiter">:(scenario recipe_headers_are_checked_against_pre_transformed_instructions)</span>
<span id="L361" class="LineNr">361 </span><span class="Special">% Hide_errors = true;</span>
<span id="L362" class="LineNr">362 </span><span class="muRecipe">def</span> foo<span class="muRecipe"> -> </span>x:num [
<span id="L363" class="LineNr">363 </span> local-scope
<span id="L364" class="LineNr">364 </span> <span class="Normal">x</span>:num<span class="Special"> <- </span>copy <span class="Constant">0</span>
<span id="L365" class="LineNr">365 </span> <span class="Normal">z</span>:<span class="Normal">bool</span><span class="Special"> <- </span>copy <span class="Constant">0</span>/<span class="Constant">false</span>
<span id="L366" class="LineNr">366 </span> <span class="Identifier">return</span>-<span class="Normal">if</span> z<span class="Delimiter">,</span> z
<span id="L367" class="LineNr">367 </span>]
<span id="L368" class="LineNr">368 </span><span class="traceContains">+error: foo: replied with the wrong type at 'return-if z, z'</span>
<span id="L369" class="LineNr">369 </span>
<span id="L370" class="LineNr">370 </span><span class="Delimiter">:(scenario recipe_headers_check_for_duplicate_names)</span>
<span id="L371" class="LineNr">371 </span><span class="Special">% Hide_errors = true;</span>
<span id="L372" class="LineNr">372 </span><span class="muRecipe">def</span> foo x:num<span class="Delimiter">,</span> x:num<span class="muRecipe"> -> </span>z:num [
<span id="L373" class="LineNr">373 </span> local-scope
<span id="L374" class="LineNr">374 </span> load-ingredients
<span id="L375" class="LineNr">375 </span> <span class="Identifier">return</span> z
<span id="L376" class="LineNr">376 </span>]
<span id="L377" class="LineNr">377 </span><span class="traceContains">+error: foo: 'x' can't repeat in the ingredients</span>
<span id="L378" class="LineNr">378 </span>
<span id="L379" class="LineNr">379 </span><span class="Delimiter">:(scenario recipe_headers_check_for_duplicate_names_2)</span>
<span id="L380" class="LineNr">380 </span><span class="Special">% Hide_errors = true;</span>
<span id="L381" class="LineNr">381 </span><span class="muRecipe">def</span> foo x:num<span class="Delimiter">,</span> x:num [ <span class="Comment"># no result</span>
<span id="L382" class="LineNr">382 </span> local-scope
<span id="L383" class="LineNr">383 </span> load-ingredients
<span id="L384" class="LineNr">384 </span>]
<span id="L385" class="LineNr">385 </span><span class="traceContains">+error: foo: 'x' can't repeat in the ingredients</span>
<span id="L386" class="LineNr">386 </span>
<span id="L387" class="LineNr">387 </span><span class="Delimiter">:(scenario recipe_headers_check_for_missing_types)</span>
<span id="L388" class="LineNr">388 </span><span class="Special">% Hide_errors = true;</span>
<span id="L389" class="LineNr">389 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L390" class="LineNr">390 </span> foo <span class="Constant">0</span>
<span id="L391" class="LineNr">391 </span>]
<span id="L392" class="LineNr">392 </span><span class="muRecipe">def</span> foo a [ <span class="Comment"># no type for 'a'</span>
<span id="L393" class="LineNr">393 </span>]
<span id="L394" class="LineNr">394 </span><span class="traceContains">+error: foo: ingredient 'a' has no type</span>
<span id="L395" class="LineNr">395 </span>
<span id="L396" class="LineNr">396 </span><span class="Delimiter">:(before "End <a href='010vm.cc.html#L19'>recipe</a> Fields")</span>
<span id="L397" class="LineNr">397 </span>map<string<span class="Delimiter">,</span> <span class="Normal">int</span>> ingredient_index<span class="Delimiter">;</span>
<span id="L398" class="LineNr">398 </span>
<span id="L399" class="LineNr">399 </span><span class="Delimiter">:(after "Begin Instruction Modifying Transforms")</span>
<span id="L400" class="LineNr">400 </span>Transform<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>check_header_ingredients<span class="Delimiter">);</span> <span class="Comment">// idempotent</span>
<span id="L401" class="LineNr">401 </span>
<span id="L402" class="LineNr">402 </span><span class="Delimiter">:(code)</span>
<span id="L403" class="LineNr">403 </span><span class="Normal">void</span> check_header_ingredients<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="L404" class="LineNr">404 </span> recipe& caller_recipe = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
<span id="L405" class="LineNr">405 </span> caller_recipe<span class="Delimiter">.</span>ingredient_index<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
<span id="L406" class="LineNr">406 </span> <a href='003trace.cc.html#L161'>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">"--- checking return instructions against header for "</span> << caller_recipe<span class="Delimiter">.</span>name << <a href='003trace.cc.html#L197'>end</a><span class="Delimiter">();</span>
<span id="L407" class="LineNr">407 </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>caller_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L408" class="LineNr">408 </span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type == <span class="Constant">NULL</span><span class="Delimiter">)</span>
<span id="L409" class="LineNr">409 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"ingredient '"</span> << caller_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name << <span class="Constant">"' has no type</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L197'>end</a><span class="Delimiter">();</span>
<span id="L410" class="LineNr">410 </span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>ingredient_index<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">))</span>
<span id="L411" class="LineNr">411 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"'"</span> << caller_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name << <span class="Constant">"' can't repeat in the ingredients</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
<span id="L412" class="LineNr">412 </span> <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>ingredient_index<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">,</span> i<span class="Delimiter">);</span>
<span id="L413" class="LineNr">413 </span> <span class="Delimiter">}</span>
<span id="L414" class="LineNr">414 </span><span class="Delimiter">}</span>
<span id="L415" class="LineNr">415 </span>
<span id="L416" class="LineNr">416 </span><span class="Comment">//: Deduce types from the header if possible.</span>
<span id="L417" class="LineNr">417 </span>
<span id="L418" class="LineNr">418 </span><span class="Delimiter">:(scenarios run)</span>
<span id="L419" class="LineNr">419 </span><span class="Delimiter">:(scenario deduce_instruction_types_from_recipe_header)</span>
<span id="L420" class="LineNr">420 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L421" class="LineNr">421 </span> <span class="Constant">1</span>:num/<span class="Special">raw <- </span>add2 <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">5</span>
<span id="L422" class="LineNr">422 </span>]
<span id="L423" class="LineNr">423 </span><span class="muRecipe">def</span> add2 x:num<span class="Delimiter">,</span> y:num<span class="muRecipe"> -> </span>z:num [
<span id="L424" class="LineNr">424 </span> local-scope
<span id="L425" class="LineNr">425 </span> load-ingredients
<span id="L426" class="LineNr">426 </span> z<span class="Special"> <- </span>add x<span class="Delimiter">,</span> y <span class="Comment"># no type for z</span>
<span id="L427" class="LineNr">427 </span> <span class="Identifier">return</span> z
<span id="L428" class="LineNr">428 </span>]
<span id="L429" class="LineNr">429 </span><span class="traceContains">+mem: storing 8 in location 1</span>
<span id="L430" class="LineNr">430 </span>
<span id="L431" class="LineNr">431 </span><span class="Delimiter">:(after "Begin Type Modifying Transforms")</span>
<span id="L432" class="LineNr">432 </span>Transform<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>deduce_types_from_header<span class="Delimiter">);</span> <span class="Comment">// idempotent</span>
<span id="L433" class="LineNr">433 </span>
<span id="L434" class="LineNr">434 </span><span class="Delimiter">:(code)</span>
<span id="L435" class="LineNr">435 </span><span class="Normal">void</span> deduce_types_from_header<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="L436" class="LineNr">436 </span> recipe& caller_recipe = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
<span id="L437" class="LineNr">437 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L438" class="LineNr">438 </span> <a href='003trace.cc.html#L161'>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">"--- deduce types from header for "</span> << caller_recipe<span class="Delimiter">.</span>name << <a href='003trace.cc.html#L197'>end</a><span class="Delimiter">();</span>
<span id="L439" class="LineNr">439 </span> map<string<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree*> header_type<span class="Delimiter">;</span>
<span id="L440" class="LineNr">440 </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>caller_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L441" class="LineNr">441 </span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!caller_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> <span class="Comment">// error handled elsewhere</span>
<span id="L442" class="LineNr">442 </span> <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>header_type<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">);</span>
<span id="L443" class="LineNr">443 </span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"type of "</span> << caller_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name << <span class="Constant">" is "</span> << names_to_string<span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">)</span> << <a href='003trace.cc.html#L197'>end</a><span class="Delimiter">();</span>
<span id="L444" class="LineNr">444 </span> <span class="Delimiter">}</span>
<span id="L445" class="LineNr">445 </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>caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L446" class="LineNr">446 </span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> <span class="Comment">// error handled elsewhere</span>
<span id="L447" class="LineNr">447 </span> <span class="Conceal">¦</span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>header_type<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">);</span>
<span id="L448" class="LineNr">448 </span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"type of "</span> << caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name << <span class="Constant">" is "</span> << names_to_string<span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">)</span> << <a href='003trace.cc.html#L197'>end</a><span class="Delimiter">();</span>
<span id="L449" class="LineNr">449 </span> <span class="Delimiter">}</span>
<span id="L450" class="LineNr">450 </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>caller_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L451" class="LineNr">451 </span> <span class="Conceal">¦</span> instruction& inst = caller_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span id="L452" class="LineNr">452 </span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"instruction: "</span> << <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <a href='003trace.cc.html#L197'>end</a><span class="Delimiter">();</span>
<span id="L453" class="LineNr">453 </span> <span class="Conceal">¦</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>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L454" class="LineNr">454 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L455" class="LineNr">455 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>header_type<span class="Delimiter">.</span>find<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">)</span> == header_type<span class="Delimiter">.</span><a href='003trace.cc.html#L197'>end</a><span class="Delimiter">())</span>
<span id="L456" class="LineNr">456 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L457" class="LineNr">457 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>header_type<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> <span class="Comment">// error handled elsewhere</span>
<span id="L458" class="LineNr">458 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type = <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*get<span class="Delimiter">(</span>header_type<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">));</span>
<span id="L459" class="LineNr">459 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"type of "</span> << inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name << <span class="Constant">" is "</span> << names_to_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">)</span> << <a href='003trace.cc.html#L197'>end</a><span class="Delimiter">();</span>
<span id="L460" class="LineNr">460 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
<span id="L461" class="LineNr">461 </span> <span class="Conceal">¦</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>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L462" class="LineNr">462 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">" product: "</span> << <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> << <a href='003trace.cc.html#L197'>end</a><span class="Delimiter">();</span>
<span id="L463" class="LineNr">463 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</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>i<span class="Delimiter">).</span>type<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L464" class="LineNr">464 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>header_type<span class="Delimiter">.</span>find<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">)</span> == header_type<span class="Delimiter">.</span><a href='003trace.cc.html#L197'>end</a><span class="Delimiter">())</span>
<span id="L465" class="LineNr">465 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L466" class="LineNr">466 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>header_type<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> <span class="Comment">// error handled elsewhere</span>
<span id="L467" class="LineNr">467 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type = <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*get<span class="Delimiter">(</span>header_type<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">));</span>
<span id="L468" class="LineNr">468 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"type of "</span> << inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name << <span class="Constant">" is "</span> << names_to_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">)</span> << <a href='003trace.cc.html#L197'>end</a><span class="Delimiter">();</span>
<span id="L469" class="LineNr">469 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
<span id="L470" class="LineNr">470 </span> <span class="Delimiter">}</span>
<span id="L471" class="LineNr">471 </span><span class="Delimiter">}</span>
<span id="L472" class="LineNr">472 </span>
<span id="L473" class="LineNr">473 </span><span class="Comment">//: One final convenience: no need to say what to return if the information is</span>
<span id="L474" class="LineNr">474 </span><span class="Comment">//: in the header.</span>
<span id="L475" class="LineNr">475 </span>
<span id="L476" class="LineNr">476 </span><span class="Delimiter">:(scenario return_based_on_header)</span>
<span id="L477" class="LineNr">477 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L478" class="LineNr">478 </span> <span class="Constant">1</span>:num/<span class="Special">raw <- </span>add2 <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">5</span>
<span id="L479" class="LineNr">479 </span>]
<span id="L480" class="LineNr">480 </span><span class="muRecipe">def</span> add2 x:num<span class="Delimiter">,</span> y:num<span class="muRecipe"> -> </span>z:num [
<span id="L481" class="LineNr">481 </span> local-scope
<span id="L482" class="LineNr">482 </span> load-ingredients
<span id="L483" class="LineNr">483 </span> z<span class="Special"> <- </span>add x<span class="Delimiter">,</span> y
<span id="L484" class="LineNr">484 </span> <span class="Identifier">return</span>
<span id="L485" class="LineNr">485 </span>]
<span id="L486" class="LineNr">486 </span><span class="traceContains">+mem: storing 8 in location 1</span>
<span id="L487" class="LineNr">487 </span>
<span id="L488" class="LineNr">488 </span><span class="Delimiter">:(after "Transform.push_back(check_header_ingredients)")</span>
<span id="L489" class="LineNr">489 </span>Transform<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>fill_in_return_ingredients<span class="Delimiter">);</span> <span class="Comment">// idempotent</span>
<span id="L490" class="LineNr">490 </span>
<span id="L491" class="LineNr">491 </span><span class="Delimiter">:(code)</span>
<span id="L492" class="LineNr">492 </span><span class="Normal">void</span> fill_in_return_ingredients<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="L493" class="LineNr">493 </span> recipe& caller_recipe = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
<span id="L494" class="LineNr">494 </span> <a href='003trace.cc.html#L161'>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">"--- fill in return ingredients from header for <a href='010vm.cc.html#L19'>recipe</a> "</span> << caller_recipe<span class="Delimiter">.</span>name << <a href='003trace.cc.html#L197'>end</a><span class="Delimiter">();</span>
<span id="L495" class="LineNr">495 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!caller_recipe<span class="Delimiter">.</span>has_header<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L496" class="LineNr">496 </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>caller_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L497" class="LineNr">497 </span> <span class="Conceal">¦</span> instruction& inst = caller_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span id="L498" class="LineNr">498 </span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">"reply"</span> || inst<span class="Delimiter">.</span>name == <span class="Constant">"return"</span><span class="Delimiter">)</span>
<span id="L499" class="LineNr">499 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> add_header_products<span class="Delimiter">(</span>inst<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">);</span>
<span id="L500" class="LineNr">500 </span> <span class="Delimiter">}</span>
<span id="L501" class="LineNr">501 </span> <span class="Comment">// fall through return</span>
<span id="L502" class="LineNr">502 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!caller_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
<span id="L503" class="LineNr">503 </span> <span class="Conceal">¦</span> <span class="Normal">const</span> instruction& final_instruction = caller_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">)</span>-<span class="Constant">1</span><span class="Delimiter">);</span>
<span id="L504" class="LineNr">504 </span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>final_instruction<span class="Delimiter">.</span>name == <span class="Constant">"reply"</span> || final_instruction<span class="Delimiter">.</span>name == <span class="Constant">"return"</span><span class="Delimiter">)</span>
<span id="L505" class="LineNr">505 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L506" class="LineNr">506 </span> <span class="Delimiter">}</span>
<span id="L507" class="LineNr">507 </span> <a href='010vm.cc.html#L32'>instruction</a> inst<span class="Delimiter">;</span>
<span id="L508" class="LineNr">508 </span> inst<span class="Delimiter">.</span>name = <span class="Constant">"return"</span><span class="Delimiter">;</span>
<span id="L509" class="LineNr">509 </span> add_header_products<span class="Delimiter">(</span>inst<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">);</span>
<span id="L510" class="LineNr">510 </span> caller_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>inst<span class="Delimiter">);</span>
<span id="L511" class="LineNr">511 </span><span class="Delimiter">}</span>
<span id="L512" class="LineNr">512 </span>
<span id="L513" class="LineNr">513 </span><span class="Normal">void</span> add_header_products<span class="Delimiter">(</span>instruction& inst<span class="Delimiter">,</span> <span class="Normal">const</span> recipe& caller_recipe<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L514" class="LineNr">514 </span> assert<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">"reply"</span> || inst<span class="Delimiter">.</span>name == <span class="Constant">"return"</span><span class="Delimiter">);</span>
<span id="L515" class="LineNr">515 </span> <span class="Comment">// collect any products with the same names as ingredients</span>
<span id="L516" class="LineNr">516 </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>caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L517" class="LineNr">517 </span> <span class="Conceal">¦</span> <span class="Comment">// if the ingredient is missing, add it from the header</span>
<span id="L518" class="LineNr">518 </span> <span class="Conceal">¦</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> == i<span class="Delimiter">)</span>
<span id="L519" class="LineNr">519 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
<span id="L520" class="LineNr">520 </span> <span class="Conceal">¦</span> <span class="Comment">// if it's missing /same_as_ingredient, try to fill it in</span>
<span id="L521" class="LineNr">521 </span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>ingredient_index<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">)</span> && !has_property<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> <span class="Constant">"same_as_ingredient"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L522" class="LineNr">522 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> ostringstream same_as_ingredient<span class="Delimiter">;</span>
<span id="L523" class="LineNr">523 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> same_as_ingredient << get<span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>ingredient_index<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">);</span>
<span id="L524" class="LineNr">524 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>properties<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>pair<string<span class="Delimiter">,</span> string_tree*><span class="Delimiter">(</span><span class="Constant">"same-as-ingredient"</span><span class="Delimiter">,</span> <span class="Normal">new</span> string_tree<span class="Delimiter">(</span>same_as_ingredient<span class="Delimiter">.</span>str<span class="Delimiter">())));</span>
<span id="L525" class="LineNr">525 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
<span id="L526" class="LineNr">526 </span> <span class="Delimiter">}</span>
<span id="L527" class="LineNr">527 </span><span class="Delimiter">}</span>
<span id="L528" class="LineNr">528 </span>
<span id="L529" class="LineNr">529 </span><span class="Delimiter">:(scenario explicit_return_ignores_header)</span>
<span id="L530" class="LineNr">530 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L531" class="LineNr">531 </span> <span class="Constant">1</span>:num/<span class="Special">raw</span><span class="Delimiter">,</span> <span class="Constant">2</span>:num/<span class="Special">raw <- </span>add2 <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">5</span>
<span id="L532" class="LineNr">532 </span>]
<span id="L533" class="LineNr">533 </span><span class="muRecipe">def</span> add2 a:num<span class="Delimiter">,</span> b:num<span class="muRecipe"> -> </span>y:num<span class="Delimiter">,</span> z:num [
<span id="L534" class="LineNr">534 </span> local-scope
<span id="L535" class="LineNr">535 </span> load-ingredients
<span id="L536" class="LineNr">536 </span> y<span class="Special"> <- </span>add a<span class="Delimiter">,</span> b
<span id="L537" class="LineNr">537 </span> z<span class="Special"> <- </span>subtract a<span class="Delimiter">,</span> b
<span id="L538" class="LineNr">538 </span> <span class="Identifier">return</span> a<span class="Delimiter">,</span> z
<span id="L539" class="LineNr">539 </span>]
<span id="L540" class="LineNr">540 </span><span class="traceContains">+mem: storing 3 in location 1</span>
<span id="L541" class="LineNr">541 </span><span class="traceContains">+mem: storing -2 in location 2</span>
<span id="L542" class="LineNr">542 </span>
<span id="L543" class="LineNr">543 </span><span class="Delimiter">:(scenario return_on_fallthrough_based_on_header)</span>
<span id="L544" class="LineNr">544 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L545" class="LineNr">545 </span> <span class="Constant">1</span>:num/<span class="Special">raw <- </span>add2 <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">5</span>
<span id="L546" class="LineNr">546 </span>]
<span id="L547" class="LineNr">547 </span><span class="muRecipe">def</span> add2 x:num<span class="Delimiter">,</span> y:num<span class="muRecipe"> -> </span>z:num [
<span id="L548" class="LineNr">548 </span> local-scope
<span id="L549" class="LineNr">549 </span> load-ingredients
<span id="L550" class="LineNr">550 </span> z<span class="Special"> <- </span>add x<span class="Delimiter">,</span> y
<span id="L551" class="LineNr">551 </span>]
<span id="L552" class="LineNr">552 </span><span class="traceContains">+transform: <a href='010vm.cc.html#L32'>instruction</a>: return {z: "number"}</span>
<span id="L553" class="LineNr">553 </span><span class="traceContains">+mem: storing 8 in location 1</span>
<span id="L554" class="LineNr">554 </span>
<span id="L555" class="LineNr">555 </span><span class="Delimiter">:(scenario return_on_fallthrough_already_exists)</span>
<span id="L556" class="LineNr">556 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L557" class="LineNr">557 </span> <span class="Constant">1</span>:num/<span class="Special">raw <- </span>add2 <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">5</span>
<span id="L558" class="LineNr">558 </span>]
<span id="L559" class="LineNr">559 </span><span class="muRecipe">def</span> add2 x:num<span class="Delimiter">,</span> y:num<span class="muRecipe"> -> </span>z:num [
<span id="L560" class="LineNr">560 </span> local-scope
<span id="L561" class="LineNr">561 </span> load-ingredients
<span id="L562" class="LineNr">562 </span> z<span class="Special"> <- </span>add x<span class="Delimiter">,</span> y <span class="Comment"># no type for z</span>
<span id="L563" class="LineNr">563 </span> <span class="Identifier">return</span> z
<span id="L564" class="LineNr">564 </span>]
<span id="L565" class="LineNr">565 </span><span class="traceContains">+transform: <a href='010vm.cc.html#L32'>instruction</a>: return {z: ()}</span>
<span id="L566" class="LineNr">566 </span><span class="traceAbsent">-transform: <a href='010vm.cc.html#L32'>instruction</a>: return z:num</span>
<span id="L567" class="LineNr">567 </span><span class="traceContains">+mem: storing 8 in location 1</span>
<span id="L568" class="LineNr">568 </span>
<span id="L569" class="LineNr">569 </span><span class="Delimiter">:(scenario return_causes_error_in_empty_recipe)</span>
<span id="L570" class="LineNr">570 </span><span class="Special">% Hide_errors = true;</span>
<span id="L571" class="LineNr">571 </span><span class="muRecipe">def</span> foo<span class="muRecipe"> -> </span>x:num [
<span id="L572" class="LineNr">572 </span>]
<span id="L573" class="LineNr">573 </span><span class="traceContains">+error: foo: tried to read ingredient 'x' in 'return x:num' but it hasn't been written to yet</span>
<span id="L574" class="LineNr">574 </span>
<span id="L575" class="LineNr">575 </span><span class="Delimiter">:(scenario return_after_conditional_return_based_on_header)</span>
<span id="L576" class="LineNr">576 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L577" class="LineNr">577 </span> <span class="Constant">1</span>:num/<span class="Special">raw <- </span>add2 <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">5</span>
<span id="L578" class="LineNr">578 </span>]
<span id="L579" class="LineNr">579 </span><span class="muRecipe">def</span> add2 x:num<span class="Delimiter">,</span> y:num<span class="muRecipe"> -> </span>z:num [
<span id="L580" class="LineNr">580 </span> local-scope
<span id="L581" class="LineNr">581 </span> load-ingredients
<span id="L582" class="LineNr">582 </span> z<span class="Special"> <- </span>add x<span class="Delimiter">,</span> y <span class="Comment"># no type for z</span>
<span id="L583" class="LineNr">583 </span> <span class="Identifier">return</span>-<span class="Normal">if</span> <span class="Constant">0</span>/<span class="Constant">false</span><span class="Delimiter">,</span> <span class="Constant">34</span>
<span id="L584" class="LineNr">584 </span>]
<span id="L585" class="LineNr">585 </span><span class="traceContains">+mem: storing 8 in location 1</span>
<span id="L586" class="LineNr">586 </span>
<span id="L587" class="LineNr">587 </span><span class="Delimiter">:(scenario recipe_headers_perform_same_ingredient_check)</span>
<span id="L588" class="LineNr">588 </span><span class="Special">% Hide_errors = true;</span>
<span id="L589" class="LineNr">589 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L590" class="LineNr">590 </span> <span class="Constant">1</span>:num<span class="Special"> <- </span>copy <span class="Constant">34</span>
<span id="L591" class="LineNr">591 </span> <span class="Constant">2</span>:num<span class="Special"> <- </span>copy <span class="Constant">34</span>
<span id="L592" class="LineNr">592 </span> <span class="Constant">3</span>:num<span class="Special"> <- </span>add2 <span class="Constant">1</span>:num<span class="Delimiter">,</span> <span class="Constant">2</span>:num
<span id="L593" class="LineNr">593 </span>]
<span id="L594" class="LineNr">594 </span><span class="muRecipe">def</span> add2 x:num<span class="Delimiter">,</span> y:num<span class="muRecipe"> -> </span>x:num [
<span id="L595" class="LineNr">595 </span> local-scope
<span id="L596" class="LineNr">596 </span> load-ingredients
<span id="L597" class="LineNr">597 </span>]
<span id="L598" class="LineNr">598 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: '3:num <- add2 1:num, 2:num' should write to '1:num' rather than '3:num'</span>
<span id="L599" class="LineNr">599 </span>
<span id="L600" class="LineNr">600 </span><span class="Comment">//: One special-case is recipe 'main'. Make sure it's only ever taking in text</span>
<span id="L601" class="LineNr">601 </span><span class="Comment">//: ingredients, and returning a single number.</span>
<span id="L602" class="LineNr">602 </span>
<span id="L603" class="LineNr">603 </span><span class="Delimiter">:(scenario recipe_header_ingredients_constrained_for_main)</span>
<span id="L604" class="LineNr">604 </span><span class="Special">% Hide_errors = true;</span>
<span id="L605" class="LineNr">605 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> x:num [
<span id="L606" class="LineNr">606 </span>]
<span id="L607" class="LineNr">607 </span><span class="traceContains">+error: ingredients of <a href='010vm.cc.html#L19'>recipe</a> 'main' must all be text (address:array:character)</span>
<span id="L608" class="LineNr">608 </span>
<span id="L609" class="LineNr">609 </span><span class="Delimiter">:(scenario recipe_header_products_constrained_for_main)</span>
<span id="L610" class="LineNr">610 </span><span class="Special">% Hide_errors = true;</span>
<span id="L611" class="LineNr">611 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a><span class="muRecipe"> -> </span>x:text [
<span id="L612" class="LineNr">612 </span>]
<span id="L613" class="LineNr">613 </span><span class="traceContains">+error: <a href='010vm.cc.html#L19'>recipe</a> 'main' must return at most a single product, a number</span>
<span id="L614" class="LineNr">614 </span>
<span id="L615" class="LineNr">615 </span><span class="Delimiter">:(scenario recipe_header_products_constrained_for_main_2)</span>
<span id="L616" class="LineNr">616 </span><span class="Special">% Hide_errors = true;</span>
<span id="L617" class="LineNr">617 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a><span class="muRecipe"> -> </span>x:num<span class="Delimiter">,</span> y:num [
<span id="L618" class="LineNr">618 </span>]
<span id="L619" class="LineNr">619 </span><span class="traceContains">+error: <a href='010vm.cc.html#L19'>recipe</a> 'main' must return at most a single product, a number</span>
<span id="L620" class="LineNr">620 </span>
<span id="L621" class="LineNr">621 </span><span class="Delimiter">:(after "Transform.push_back(expand_type_abbreviations)")</span>
<span id="L622" class="LineNr">622 </span>Transform<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>check_recipe_header_constraints<span class="Delimiter">);</span>
<span id="L623" class="LineNr">623 </span><span class="Delimiter">:(code)</span>
<span id="L624" class="LineNr">624 </span><span class="Normal">void</span> check_recipe_header_constraints<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="L625" class="LineNr">625 </span> <span class="Normal">const</span> recipe& caller = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
<span id="L626" class="LineNr">626 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name != <span class="Constant">"main"</span><span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L627" class="LineNr">627 </span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"check <a href='010vm.cc.html#L19'>recipe</a> header constraints for <a href='010vm.cc.html#L19'>recipe</a> "</span> << caller<span class="Delimiter">.</span>name << <a href='003trace.cc.html#L197'>end</a><span class="Delimiter">();</span>
<span id="L628" class="LineNr">628 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!caller<span class="Delimiter">.</span>has_header<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L629" class="LineNr">629 </span> reagent<span class="Comment">/*</span><span class="Comment">local</span><span class="Comment">*/</span> expected_ingredient<span class="Delimiter">(</span><span class="Constant">"x:<a href='043space.cc.html#L82'>address</a>:array:character"</span><span class="Delimiter">);</span>
<span id="L630" class="LineNr">630 </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>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L631" class="LineNr">631 </span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!types_strictly_match<span class="Delimiter">(</span>expected_ingredient<span class="Delimiter">,</span> caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
<span id="L632" class="LineNr">632 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> << <span class="Constant">"ingredients of <a href='010vm.cc.html#L19'>recipe</a> 'main' must all be text (address:array:character)</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L197'>end</a><span class="Delimiter">();</span>
<span id="L633" class="LineNr">633 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L634" class="LineNr">634 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
<span id="L635" class="LineNr">635 </span> <span class="Delimiter">}</span>
<span id="L636" class="LineNr">636 </span> <span class="Normal">int</span> nprod = <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">);</span>
<span id="L637" class="LineNr">637 </span> reagent<span class="Comment">/*</span><span class="Comment">local</span><span class="Comment">*/</span> expected_product<span class="Delimiter">(</span><span class="Constant">"x:number"</span><span class="Delimiter">);</span>
<span id="L638" class="LineNr">638 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>nprod > <span class="Constant">1</span>
<span id="L639" class="LineNr">639 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> || <span class="Delimiter">(</span>nprod == <span class="Constant">1</span> && !types_strictly_match<span class="Delimiter">(</span>expected_product<span class="Delimiter">,</span> caller<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))))</span> <span class="Delimiter">{</span>
<span id="L640" class="LineNr">640 </span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> << <span class="Constant">"recipe 'main' must return at most a single product, a number</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L197'>end</a><span class="Delimiter">();</span>
<span id="L641" class="LineNr">641 </span> <span class="Delimiter">}</span>
<span id="L642" class="LineNr">642 </span><span class="Delimiter">}</span>
</pre>
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