|
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>Mu - 032array.cc</title>
<meta name="Generator" content="Vim/8.0">
<meta name="plugin-version" content="vim7.4_v2">
<meta name="syntax" content="cpp">
<meta name="settings" content="number_lines,use_css,pre_wrap,no_foldcolumn,expand_tabs,line_ids,prevent_copy=">
<meta name="colorscheme" content="minimal-light">
<style type="text/css">
<!--
pre { white-space: pre-wrap; font-family: monospace; color: #000000; background-color: #c6c6c6; }
body { font-size:12pt; font-family: monospace; color: #000000; background-color: #c6c6c6; }
a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.cSpecial { color: #008000; }
.LineNr { }
.muData { color: #ffff00; }
.Constant { color: #008787; }
.muRecipe { color: #ff8700; }
.Delimiter { color: #c000c0; }
.Special { color: #d70000; }
.Identifier { color: #af5f00; }
.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; }
.Comment { color: #005faf; }
.SalientComment { color: #0000af; }
.traceContains { color: #005f00; }
-->
</style>
<script type='text/javascript'>
<!--
/* function to open any folds containing a jumped-to line before jumping to it */
function JumpToLine()
{
var lineNum;
lineNum = window.location.hash;
lineNum = lineNum.substr(1); /* strip off '#' */
if (lineNum.indexOf('L') == -1) {
lineNum = 'L'+lineNum;
}
lineElem = document.getElementById(lineNum);
/* Always jump to new location even if the line was hidden inside a fold, or
* we corrected the raw number to a line ID.
*/
if (lineElem) {
lineElem.scrollIntoView(true);
}
return true;
}
if ('onhashchange' in window) {
window.onhashchange = JumpToLine;
}
-->
</script>
</head>
<body onload='JumpToLine();'>
<a href='https://github.com/akkartik/mu/blob/master/032array.cc'>https://github.com/akkartik/mu/blob/master/032array.cc</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr"> 1 </span><span class="Comment">//: Arrays contain a variable number of elements of the same type. Their value</span>
<span id="L2" class="LineNr"> 2 </span><span class="Comment">//: starts with the length of the array.</span>
<span id="L3" class="LineNr"> 3 </span><span class="Comment">//:</span>
<span id="L4" class="LineNr"> 4 </span><span class="Comment">//: You can create arrays of containers, but containers can only contain</span>
<span id="L5" class="LineNr"> 5 </span><span class="Comment">//: elements of a fixed size, so you can't create containers containing arrays.</span>
<span id="L6" class="LineNr"> 6 </span><span class="Comment">//: Create containers containing addresses to arrays instead.</span>
<span id="L7" class="LineNr"> 7 </span>
<span id="L8" class="LineNr"> 8 </span><span class="Comment">//: You can create arrays using 'create-array'.</span>
<span id="L9" class="LineNr"> 9 </span><span class="Delimiter">:(scenario create_array)</span>
<span id="L10" class="LineNr"> 10 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L11" class="LineNr"> 11 </span> <span class="Comment"># create an array occupying locations 1 (for the size) and 2-4 (for the elements)</span>
<span id="L12" class="LineNr"> 12 </span> <span class="Constant">1</span>:array:num:<span class="Constant">3</span><span class="Special"> <- </span>create-array
<span id="L13" class="LineNr"> 13 </span>]
<span id="L14" class="LineNr"> 14 </span><span class="traceContains">+run: creating array from 4 locations</span>
<span id="L15" class="LineNr"> 15 </span>
<span id="L16" class="LineNr"> 16 </span><span class="Delimiter">:(before "End Primitive Recipe Declarations")</span>
<span id="L17" class="LineNr"> 17 </span>CREATE_ARRAY<span class="Delimiter">,</span>
<span id="L18" class="LineNr"> 18 </span><span class="Delimiter">:(before "End Primitive Recipe Numbers")</span>
<span id="L19" class="LineNr"> 19 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> <span class="Constant">"create-array"</span><span class="Delimiter">,</span> CREATE_ARRAY<span class="Delimiter">);</span>
<span id="L20" class="LineNr"> 20 </span><span class="Delimiter">:(before "End Primitive Recipe Checks")</span>
<span id="L21" class="LineNr"> 21 </span><span class="Normal">case</span> CREATE_ARRAY: <span class="Delimiter">{</span>
<span id="L22" class="LineNr"> 22 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
<span id="L23" class="LineNr"> 23 </span> <a href='003trace.cc.html#L196'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'create-array' needs one product and no ingredients but got '"</span> << to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="cSpecial">'\n'</span> << end<span class="Delimiter">();</span>
<span id="L24" class="LineNr"> 24 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L25" class="LineNr"> 25 </span> <span class="Delimiter">}</span>
<span id="L26" class="LineNr"> 26 </span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> product = inst<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="L27" class="LineNr"> 27 </span> <span class="Comment">// Update CREATE_ARRAY product in Check</span>
<span id="L28" class="LineNr"> 28 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_array<span class="Delimiter">(</span>product<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L29" class="LineNr"> 29 </span> <a href='003trace.cc.html#L196'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'create-array' cannot create non-array '"</span> << product<span class="Delimiter">.</span>original_string << <span class="Constant">"'\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L30" class="LineNr"> 30 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L31" class="LineNr"> 31 </span> <span class="Delimiter">}</span>
<span id="L32" class="LineNr"> 32 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!product<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L33" class="LineNr"> 33 </span> <a href='003trace.cc.html#L196'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"create array of what? '"</span> << to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"'\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L34" class="LineNr"> 34 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L35" class="LineNr"> 35 </span> <span class="Delimiter">}</span>
<span id="L36" class="LineNr"> 36 </span> <span class="Comment">// 'create-array' will need to check properties rather than types</span>
<span id="L37" class="LineNr"> 37 </span> type_tree* array_length_from_type = product<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">;</span>
<span id="L38" class="LineNr"> 38 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!array_length_from_type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L39" class="LineNr"> 39 </span> <a href='003trace.cc.html#L196'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"create array of what size? '"</span> << to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"'\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L40" class="LineNr"> 40 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L41" class="LineNr"> 41 </span> <span class="Delimiter">}</span>
<span id="L42" class="LineNr"> 42 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!product<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>atom<span class="Delimiter">)</span>
<span id="L43" class="LineNr"> 43 </span> array_length_from_type = array_length_from_type<span class="Delimiter">-></span>left<span class="Delimiter">;</span>
<span id="L44" class="LineNr"> 44 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_integer<span class="Delimiter">(</span>array_length_from_type<span class="Delimiter">-></span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L45" class="LineNr"> 45 </span> <a href='003trace.cc.html#L196'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'create-array' product should specify size of array after its element type, but got '"</span> << product<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>name << <span class="Constant">"'\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L46" class="LineNr"> 46 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L47" class="LineNr"> 47 </span> <span class="Delimiter">}</span>
<span id="L48" class="LineNr"> 48 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L49" class="LineNr"> 49 </span><span class="Delimiter">}</span>
<span id="L50" class="LineNr"> 50 </span><span class="Delimiter">:(before "End Primitive Recipe Implementations")</span>
<span id="L51" class="LineNr"> 51 </span><span class="Normal">case</span> CREATE_ARRAY: <span class="Delimiter">{</span>
<span id="L52" class="LineNr"> 52 </span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> product = <a href='026call.cc.html#L89'>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="L53" class="LineNr"> 53 </span> <span class="Comment">// Update CREATE_ARRAY product in Run</span>
<span id="L54" class="LineNr"> 54 </span> <span class="Normal">int</span> base_address = product<span class="Delimiter">.</span>value<span class="Delimiter">;</span>
<span id="L55" class="LineNr"> 55 </span> type_tree* array_length_from_type = product<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">;</span>
<span id="L56" class="LineNr"> 56 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!product<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>atom<span class="Delimiter">)</span>
<span id="L57" class="LineNr"> 57 </span> array_length_from_type = array_length_from_type<span class="Delimiter">-></span>left<span class="Delimiter">;</span>
<span id="L58" class="LineNr"> 58 </span> <span class="Normal">int</span> <a href='032array.cc.html#L319'>array_length</a> = to_integer<span class="Delimiter">(</span>array_length_from_type<span class="Delimiter">-></span>name<span class="Delimiter">);</span>
<span id="L59" class="LineNr"> 59 </span> <span class="Comment">// initialize array length, so that size_of will work</span>
<span id="L60" class="LineNr"> 60 </span> <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">"mem"</span><span class="Delimiter">)</span> << <span class="Constant">"storing "</span> << <a href='032array.cc.html#L319'>array_length</a> << <span class="Constant">" in location "</span> << base_address << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L61" class="LineNr"> 61 </span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Memory</span><span class="Delimiter">,</span> base_address<span class="Delimiter">,</span> <a href='032array.cc.html#L319'>array_length</a><span class="Delimiter">);</span> <span class="Comment">// in array elements</span>
<span id="L62" class="LineNr"> 62 </span> <span class="Normal">int</span> size = size_of<span class="Delimiter">(</span>product<span class="Delimiter">);</span> <span class="Comment">// in locations</span>
<span id="L63" class="LineNr"> 63 </span> <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9998</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"creating array from "</span> << size << <span class="Constant">" locations"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L64" class="LineNr"> 64 </span> <span class="Comment">// initialize array</span>
<span id="L65" class="LineNr"> 65 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">1</span><span class="Delimiter">;</span> i <= size_of<span class="Delimiter">(</span>product<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span>
<span id="L66" class="LineNr"> 66 </span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Memory</span><span class="Delimiter">,</span> base_address+i<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L67" class="LineNr"> 67 </span> <span class="Comment">// no need to update product</span>
<span id="L68" class="LineNr"> 68 </span> write_products =<span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L69" class="LineNr"> 69 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L70" class="LineNr"> 70 </span><span class="Delimiter">}</span>
<span id="L71" class="LineNr"> 71 </span>
<span id="L72" class="LineNr"> 72 </span><span class="Delimiter">:(scenario copy_array)</span>
<span id="L73" class="LineNr"> 73 </span><span class="Comment"># Arrays can be copied around with a single instruction just like numbers,</span>
<span id="L74" class="LineNr"> 74 </span><span class="Comment"># no matter how large they are.</span>
<span id="L75" class="LineNr"> 75 </span><span class="Comment"># You don't need to pass the size around, since each array variable stores its</span>
<span id="L76" class="LineNr"> 76 </span><span class="Comment"># size in memory at run-time. We'll call a variable with an explicit size a</span>
<span id="L77" class="LineNr"> 77 </span><span class="Comment"># 'static' array, and one without a 'dynamic' array since it can contain</span>
<span id="L78" class="LineNr"> 78 </span><span class="Comment"># arrays of many different sizes.</span>
<span id="L79" class="LineNr"> 79 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L80" class="LineNr"> 80 </span> <span class="Constant">1</span>:array:num:<span class="Constant">3</span><span class="Special"> <- </span>create-array
<span id="L81" class="LineNr"> 81 </span> <span class="Constant">2</span>:num<span class="Special"> <- </span>copy <span class="Constant">14</span>
<span id="L82" class="LineNr"> 82 </span> <span class="Constant">3</span>:num<span class="Special"> <- </span>copy <span class="Constant">15</span>
<span id="L83" class="LineNr"> 83 </span> <span class="Constant">4</span>:num<span class="Special"> <- </span>copy <span class="Constant">16</span>
<span id="L84" class="LineNr"> 84 </span> <span class="Constant">5</span>:array:num<span class="Special"> <- </span>copy <span class="Constant">1</span>:array:num:<span class="Constant">3</span>
<span id="L85" class="LineNr"> 85 </span>]
<span id="L86" class="LineNr"> 86 </span><span class="traceContains">+mem: storing 3 in location 5</span>
<span id="L87" class="LineNr"> 87 </span><span class="traceContains">+mem: storing 14 in location 6</span>
<span id="L88" class="LineNr"> 88 </span><span class="traceContains">+mem: storing 15 in location 7</span>
<span id="L89" class="LineNr"> 89 </span><span class="traceContains">+mem: storing 16 in location 8</span>
<span id="L90" class="LineNr"> 90 </span>
<span id="L91" class="LineNr"> 91 </span><span class="Delimiter">:(scenario stash_array)</span>
<span id="L92" class="LineNr"> 92 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L93" class="LineNr"> 93 </span> <span class="Constant">1</span>:array:num:<span class="Constant">3</span><span class="Special"> <- </span>create-array
<span id="L94" class="LineNr"> 94 </span> <span class="Constant">2</span>:num<span class="Special"> <- </span>copy <span class="Constant">14</span>
<span id="L95" class="LineNr"> 95 </span> <span class="Constant">3</span>:num<span class="Special"> <- </span>copy <span class="Constant">15</span>
<span id="L96" class="LineNr"> 96 </span> <span class="Constant">4</span>:num<span class="Special"> <- </span>copy <span class="Constant">16</span>
<span id="L97" class="LineNr"> 97 </span> stash [foo:]<span class="Delimiter">,</span> <span class="Constant">1</span>:array:num:<span class="Constant">3</span>
<span id="L98" class="LineNr"> 98 </span>]
<span id="L99" class="LineNr"> 99 </span><span class="traceContains">+app: foo: 3 14 15 16</span>
<span id="L100" class="LineNr">100 </span>
<span id="L101" class="LineNr">101 </span><span class="Delimiter">:(before "End <a href='021check_instruction.cc.html#L91'>types_coercible</a> Special-cases")</span>
<span id="L102" class="LineNr">102 </span><span class="Normal">if</span> <span class="Delimiter">(</span>is_mu_array<span class="Delimiter">(</span>from<span class="Delimiter">)</span> && is_mu_array<span class="Delimiter">(</span>to<span class="Delimiter">))</span>
<span id="L103" class="LineNr">103 </span> <span class="Identifier">return</span> types_strictly_match<span class="Delimiter">(</span><a href='032array.cc.html#L303'>array_element</a><span class="Delimiter">(</span>from<span class="Delimiter">.</span>type<span class="Delimiter">),</span> <a href='032array.cc.html#L303'>array_element</a><span class="Delimiter">(</span>to<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
<span id="L104" class="LineNr">104 </span>
<span id="L105" class="LineNr">105 </span><span class="Delimiter">:(before "End size_of(reagent r) Special-cases")</span>
<span id="L106" class="LineNr">106 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!r<span class="Delimiter">.</span>type<span class="Delimiter">-></span>atom && r<span class="Delimiter">.</span>type<span class="Delimiter">-></span>left<span class="Delimiter">-></span>atom && r<span class="Delimiter">.</span>type<span class="Delimiter">-></span>left<span class="Delimiter">-></span>value == <span class="Special">Array_type_ordinal</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L107" class="LineNr">107 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!r<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L108" class="LineNr">108 </span> <a href='003trace.cc.html#L196'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> << <span class="Constant">"'"</span> << r<span class="Delimiter">.</span>original_string << <span class="Constant">"' is an array of what?\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L109" class="LineNr">109 </span> <span class="Identifier">return</span> <span class="Constant">1</span><span class="Delimiter">;</span>
<span id="L110" class="LineNr">110 </span> <span class="Delimiter">}</span>
<span id="L111" class="LineNr">111 </span> <span class="Identifier">return</span> <span class="Comment">/*</span><span class="Comment">space for length</span><span class="Comment">*/</span><span class="Constant">1</span> + <a href='032array.cc.html#L319'>array_length</a><span class="Delimiter">(</span>r<span class="Delimiter">)</span>*size_of<span class="Delimiter">(</span><a href='032array.cc.html#L303'>array_element</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
<span id="L112" class="LineNr">112 </span><span class="Delimiter">}</span>
<span id="L113" class="LineNr">113 </span>
<span id="L114" class="LineNr">114 </span><span class="Delimiter">:(before "End size_of(type) Non-atom Special-cases")</span>
<span id="L115" class="LineNr">115 </span><span class="Normal">if</span> <span class="Delimiter">(</span>type<span class="Delimiter">-></span>left<span class="Delimiter">-></span>value == <span class="Special">Array_type_ordinal</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <a href='032array.cc.html#L117'>static_array_length</a><span class="Delimiter">(</span>type<span class="Delimiter">);</span>
<span id="L116" class="LineNr">116 </span><span class="Delimiter">:(code)</span>
<span id="L117" class="LineNr">117 </span><span class="Normal">int</span> <a href='032array.cc.html#L117'>static_array_length</a><span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L118" class="LineNr">118 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">-></span>atom && type<span class="Delimiter">-></span>right && !type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>atom && type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right && !type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>atom && !type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right <span class="Comment">// exactly 3 types</span>
<span id="L119" class="LineNr">119 </span> && type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>left && type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>left<span class="Delimiter">-></span>atom && is_integer<span class="Delimiter">(</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>left<span class="Delimiter">-></span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span> <span class="Comment">// third 'type' is a number</span>
<span id="L120" class="LineNr">120 </span> <span class="Comment">// get size from type</span>
<span id="L121" class="LineNr">121 </span> <span class="Identifier">return</span> to_integer<span class="Delimiter">(</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>left<span class="Delimiter">-></span>name<span class="Delimiter">);</span>
<span id="L122" class="LineNr">122 </span> <span class="Delimiter">}</span>
<span id="L123" class="LineNr">123 </span> cerr << <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>type<span class="Delimiter">)</span> << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
<span id="L124" class="LineNr">124 </span> assert<span class="Delimiter">(</span><span class="Constant">false</span><span class="Delimiter">);</span>
<span id="L125" class="LineNr">125 </span><span class="Delimiter">}</span>
<span id="L126" class="LineNr">126 </span>
<span id="L127" class="LineNr">127 </span><span class="Comment">//: disable the size mismatch check for arrays since the destination array</span>
<span id="L128" class="LineNr">128 </span><span class="Comment">//: need not be initialized</span>
<span id="L129" class="LineNr">129 </span><span class="Delimiter">:(before "End size_mismatch(x) Special-cases")</span>
<span id="L130" class="LineNr">130 </span><span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>type && !x<span class="Delimiter">.</span>type<span class="Delimiter">-></span>atom && x<span class="Delimiter">.</span>type<span class="Delimiter">-></span>left<span class="Delimiter">-></span>value == <span class="Special">Array_type_ordinal</span><span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L131" class="LineNr">131 </span>
<span id="L132" class="LineNr">132 </span><span class="SalientComment">//:: arrays inside containers</span>
<span id="L133" class="LineNr">133 </span><span class="Comment">//: arrays are disallowed inside containers unless their length is fixed in</span>
<span id="L134" class="LineNr">134 </span><span class="Comment">//: advance</span>
<span id="L135" class="LineNr">135 </span>
<span id="L136" class="LineNr">136 </span><span class="Delimiter">:(scenario container_permits_static_array_element)</span>
<span id="L137" class="LineNr">137 </span><span class="muData">container</span> foo [
<span id="L138" class="LineNr">138 </span> <span class="Normal">x</span>:array:num:<span class="Constant">3</span>
<span id="L139" class="LineNr">139 </span>]
<span id="L140" class="LineNr">140 </span>$error: <span class="Constant">0</span>
<span id="L141" class="LineNr">141 </span>
<span id="L142" class="LineNr">142 </span><span class="Delimiter">:(before "End <a href='030container.cc.html#L446'>insert_container</a> Special-cases")</span>
<span id="L143" class="LineNr">143 </span><span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_integer<span class="Delimiter">(</span>type<span class="Delimiter">-></span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span> <span class="Comment">// sometimes types will contain non-type tags, like numbers for the size of an array</span>
<span id="L144" class="LineNr">144 </span> type<span class="Delimiter">-></span>value = <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L145" class="LineNr">145 </span><span class="Delimiter">}</span>
<span id="L146" class="LineNr">146 </span>
<span id="L147" class="LineNr">147 </span><span class="Delimiter">:(scenario container_disallows_dynamic_array_element)</span>
<span id="L148" class="LineNr">148 </span><span class="Special">% Hide_errors = true;</span>
<span id="L149" class="LineNr">149 </span><span class="muData">container</span> foo [
<span id="L150" class="LineNr">150 </span> <span class="Normal">x</span>:array:num
<span id="L151" class="LineNr">151 </span>]
<span id="L152" class="LineNr">152 </span><span class="traceContains">+error: container 'foo' cannot determine size of element 'x'</span>
<span id="L153" class="LineNr">153 </span>
<span id="L154" class="LineNr">154 </span><span class="Delimiter">:(before "End Load Container Element Definition")</span>
<span id="L155" class="LineNr">155 </span><span class="Delimiter">{</span>
<span id="L156" class="LineNr">156 </span> <span class="Normal">const</span> type_tree* type = info<span class="Delimiter">.</span>elements<span class="Delimiter">.</span>back<span class="Delimiter">().</span>type<span class="Delimiter">;</span>
<span id="L157" class="LineNr">157 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>type && type<span class="Delimiter">-></span>atom && type<span class="Delimiter">-></span>name == <span class="Constant">"array"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L158" class="LineNr">158 </span> <a href='003trace.cc.html#L196'>raise</a> << <span class="Constant">"container '"</span> << name << <span class="Constant">"' doesn't specify type of array elements for '"</span> << info<span class="Delimiter">.</span>elements<span class="Delimiter">.</span>back<span class="Delimiter">().</span>name << <span class="Constant">"'\n"</span> << end<span class="Delimiter">();</span>
<span id="L159" class="LineNr">159 </span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L160" class="LineNr">160 </span> <span class="Delimiter">}</span>
<span id="L161" class="LineNr">161 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>type && !type<span class="Delimiter">-></span>atom && type<span class="Delimiter">-></span>left<span class="Delimiter">-></span>atom && type<span class="Delimiter">-></span>left<span class="Delimiter">-></span>name == <span class="Constant">"array"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L162" class="LineNr">162 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">-></span>right<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L163" class="LineNr">163 </span> <a href='003trace.cc.html#L196'>raise</a> << <span class="Constant">"container '"</span> << name << <span class="Constant">"' doesn't specify type of array elements for '"</span> << info<span class="Delimiter">.</span>elements<span class="Delimiter">.</span>back<span class="Delimiter">().</span>name << <span class="Constant">"'\n"</span> << end<span class="Delimiter">();</span>
<span id="L164" class="LineNr">164 </span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L165" class="LineNr">165 </span> <span class="Delimiter">}</span>
<span id="L166" class="LineNr">166 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right || !is_integer<span class="Delimiter">(</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>left<span class="Delimiter">-></span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span> <span class="Comment">// array has no length</span>
<span id="L167" class="LineNr">167 </span> <a href='003trace.cc.html#L196'>raise</a> << <span class="Constant">"container '"</span> << name << <span class="Constant">"' cannot determine size of element '"</span> << info<span class="Delimiter">.</span>elements<span class="Delimiter">.</span>back<span class="Delimiter">().</span>name << <span class="Constant">"'\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L168" class="LineNr">168 </span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L169" class="LineNr">169 </span> <span class="Delimiter">}</span>
<span id="L170" class="LineNr">170 </span> <span class="Delimiter">}</span>
<span id="L171" class="LineNr">171 </span><span class="Delimiter">}</span>
<span id="L172" class="LineNr">172 </span>
<span id="L173" class="LineNr">173 </span><span class="Comment">//: disable the size mismatch check for 'merge' instructions since containers</span>
<span id="L174" class="LineNr">174 </span><span class="Comment">//: can contain arrays, and since we already do plenty of checking for them</span>
<span id="L175" class="LineNr">175 </span><span class="Delimiter">:(before "End size_mismatch(x) Special-cases")</span>
<span id="L176" class="LineNr">176 </span><span class="Normal">if</span> <span class="Delimiter">(</span><a href='026call.cc.html#L83'>current_call</a><span class="Delimiter">().</span>running_step_index < <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> <a href='026call.cc.html#L83'>current_call</a><span class="Delimiter">().</span>running_recipe<span class="Delimiter">).</span>steps<span class="Delimiter">)</span>
<span id="L177" class="LineNr">177 </span> && <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>operation == MERGE<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L178" class="LineNr">178 </span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L179" class="LineNr">179 </span><span class="Delimiter">}</span>
<span id="L180" class="LineNr">180 </span>
<span id="L181" class="LineNr">181 </span><span class="Delimiter">:(scenario merge_static_array_into_container)</span>
<span id="L182" class="LineNr">182 </span><span class="muData">container</span> foo [
<span id="L183" class="LineNr">183 </span> <span class="Normal">x</span>:num
<span id="L184" class="LineNr">184 </span> <span class="Normal">y</span>:array:num:<span class="Constant">3</span>
<span id="L185" class="LineNr">185 </span>]
<span id="L186" class="LineNr">186 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L187" class="LineNr">187 </span> <span class="Constant">1</span>:array:num:<span class="Constant">3</span><span class="Special"> <- </span>create-array
<span id="L188" class="LineNr">188 </span> <span class="Constant">10</span>:foo<span class="Special"> <- </span>merge <span class="Constant">34</span><span class="Delimiter">,</span> <span class="Constant">1</span>:array:num:<span class="Constant">3</span>
<span id="L189" class="LineNr">189 </span>]
<span id="L190" class="LineNr">190 </span><span class="Comment"># no errors</span>
<span id="L191" class="LineNr">191 </span>
<span id="L192" class="LineNr">192 </span><span class="Delimiter">:(scenario code_inside_container)</span>
<span id="L193" class="LineNr">193 </span><span class="Special">% Hide_errors = true;</span>
<span id="L194" class="LineNr">194 </span><span class="muData">container</span> card [
<span id="L195" class="LineNr">195 </span> <span class="Normal">rank</span>:num<span class="Special"> <- </span>next-ingredient
<span id="L196" class="LineNr">196 </span>]
<span id="L197" class="LineNr">197 </span><span class="muRecipe">def</span> foo [
<span id="L198" class="LineNr">198 </span> <span class="Constant">1</span>:card<span class="Special"> <- </span>merge <span class="Constant">3</span>
<span id="L199" class="LineNr">199 </span> <span class="Constant">2</span>:num<span class="Special"> <- </span>get <span class="Constant">1</span>:card <span class="Constant">rank:offset</span>
<span id="L200" class="LineNr">200 </span>]
<span id="L201" class="LineNr">201 </span><span class="Comment"># shouldn't die</span>
<span id="L202" class="LineNr">202 </span>
<span id="L203" class="LineNr">203 </span><span class="SalientComment">//:: To access elements of an array, use 'index'</span>
<span id="L204" class="LineNr">204 </span>
<span id="L205" class="LineNr">205 </span><span class="Delimiter">:(scenario index)</span>
<span id="L206" class="LineNr">206 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L207" class="LineNr">207 </span> <span class="Constant">1</span>:array:num:<span class="Constant">3</span><span class="Special"> <- </span>create-array
<span id="L208" class="LineNr">208 </span> <span class="Constant">2</span>:num<span class="Special"> <- </span>copy <span class="Constant">14</span>
<span id="L209" class="LineNr">209 </span> <span class="Constant">3</span>:num<span class="Special"> <- </span>copy <span class="Constant">15</span>
<span id="L210" class="LineNr">210 </span> <span class="Constant">4</span>:num<span class="Special"> <- </span>copy <span class="Constant">16</span>
<span id="L211" class="LineNr">211 </span> <span class="Constant">10</span>:num<span class="Special"> <- </span>index <span class="Constant">1</span>:array:num:<span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">0</span>/index <span class="Comment"># the index must be a non-negative whole number</span>
<span id="L212" class="LineNr">212 </span>]
<span id="L213" class="LineNr">213 </span><span class="traceContains">+mem: storing 14 in location 10</span>
<span id="L214" class="LineNr">214 </span>
<span id="L215" class="LineNr">215 </span><span class="Delimiter">:(scenario index_compound_element)</span>
<span id="L216" class="LineNr">216 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L217" class="LineNr">217 </span> <span class="Delimiter">{</span><span class="Constant">1</span>: <span class="Delimiter">(</span>array <span class="Delimiter">(</span><a href='043space.cc.html#L101'>address</a> number<span class="Delimiter">)</span> <span class="Constant">3</span><span class="Delimiter">)}</span><span class="Special"> <- </span>create-array
<span id="L218" class="LineNr">218 </span> <span class="Comment"># skip alloc id</span>
<span id="L219" class="LineNr">219 </span> <span class="Constant">3</span>:num<span class="Special"> <- </span>copy <span class="Constant">14</span>
<span id="L220" class="LineNr">220 </span> <span class="Comment"># skip alloc id</span>
<span id="L221" class="LineNr">221 </span> <span class="Constant">5</span>:num<span class="Special"> <- </span>copy <span class="Constant">15</span>
<span id="L222" class="LineNr">222 </span> <span class="Comment"># skip alloc id</span>
<span id="L223" class="LineNr">223 </span> <span class="Constant">7</span>:num<span class="Special"> <- </span>copy <span class="Constant">16</span>
<span id="L224" class="LineNr">224 </span> <span class="Constant">10</span>:<a href='043space.cc.html#L101'>address</a>:num<span class="Special"> <- </span>index <span class="Delimiter">{</span><span class="Constant">1</span>: <span class="Delimiter">(</span>array <span class="Delimiter">(</span><a href='043space.cc.html#L101'>address</a> number<span class="Delimiter">)</span> <span class="Constant">3</span><span class="Delimiter">)},</span> <span class="Constant">0</span>
<span id="L225" class="LineNr">225 </span>]
<span id="L226" class="LineNr">226 </span><span class="Comment"># skip alloc id</span>
<span id="L227" class="LineNr">227 </span><span class="traceContains">+mem: storing 14 in location 11</span>
<span id="L228" class="LineNr">228 </span>
<span id="L229" class="LineNr">229 </span><span class="Delimiter">:(scenario index_direct_offset)</span>
<span id="L230" class="LineNr">230 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L231" class="LineNr">231 </span> <span class="Constant">1</span>:array:num:<span class="Constant">3</span><span class="Special"> <- </span>create-array
<span id="L232" class="LineNr">232 </span> <span class="Constant">2</span>:num<span class="Special"> <- </span>copy <span class="Constant">14</span>
<span id="L233" class="LineNr">233 </span> <span class="Constant">3</span>:num<span class="Special"> <- </span>copy <span class="Constant">15</span>
<span id="L234" class="LineNr">234 </span> <span class="Constant">4</span>:num<span class="Special"> <- </span>copy <span class="Constant">16</span>
<span id="L235" class="LineNr">235 </span> <span class="Constant">10</span>:num<span class="Special"> <- </span>copy <span class="Constant">0</span>
<span id="L236" class="LineNr">236 </span> <span class="Constant">20</span>:num<span class="Special"> <- </span>index <span class="Constant">1</span>:array:num<span class="Delimiter">,</span> <span class="Constant">10</span>:num
<span id="L237" class="LineNr">237 </span>]
<span id="L238" class="LineNr">238 </span><span class="traceContains">+mem: storing 14 in location 20</span>
<span id="L239" class="LineNr">239 </span>
<span id="L240" class="LineNr">240 </span><span class="Delimiter">:(before "End Primitive Recipe Declarations")</span>
<span id="L241" class="LineNr">241 </span>INDEX<span class="Delimiter">,</span>
<span id="L242" class="LineNr">242 </span><span class="Delimiter">:(before "End Primitive Recipe Numbers")</span>
<span id="L243" class="LineNr">243 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> <span class="Constant">"index"</span><span class="Delimiter">,</span> INDEX<span class="Delimiter">);</span>
<span id="L244" class="LineNr">244 </span><span class="Delimiter">:(before "End Primitive Recipe Checks")</span>
<span id="L245" class="LineNr">245 </span><span class="Normal">case</span> INDEX: <span class="Delimiter">{</span>
<span id="L246" class="LineNr">246 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L247" class="LineNr">247 </span> <a href='003trace.cc.html#L196'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'index' expects exactly 2 ingredients in '"</span> << to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"'\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L248" class="LineNr">248 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L249" class="LineNr">249 </span> <span class="Delimiter">}</span>
<span id="L250" class="LineNr">250 </span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> base = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L251" class="LineNr">251 </span> <span class="Comment">// Update INDEX base in Check</span>
<span id="L252" class="LineNr">252 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_array<span class="Delimiter">(</span>base<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L253" class="LineNr">253 </span> <a href='003trace.cc.html#L196'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'index' on a non-array '"</span> << base<span class="Delimiter">.</span>original_string << <span class="Constant">"'\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L254" class="LineNr">254 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L255" class="LineNr">255 </span> <span class="Delimiter">}</span>
<span id="L256" class="LineNr">256 </span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> index = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
<span id="L257" class="LineNr">257 </span> <span class="Comment">// Update INDEX index in Check</span>
<span id="L258" class="LineNr">258 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>index<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L259" class="LineNr">259 </span> <a href='003trace.cc.html#L196'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"second ingredient of 'index' should be a number, but got '"</span> << index<span class="Delimiter">.</span>original_string << <span class="Constant">"'\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L260" class="LineNr">260 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L261" class="LineNr">261 </span> <span class="Delimiter">}</span>
<span id="L262" class="LineNr">262 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L263" class="LineNr">263 </span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> product = inst<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="L264" class="LineNr">264 </span> <span class="Comment">// Update INDEX product in Check</span>
<span id="L265" class="LineNr">265 </span> reagent<span class="Comment">/*</span><span class="Comment">local</span><span class="Comment">*/</span> element<span class="Delimiter">(</span><a href='032array.cc.html#L299'>copy_array_element</a><span class="Delimiter">(</span>base<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
<span id="L266" class="LineNr">266 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!types_coercible<span class="Delimiter">(</span>product<span class="Delimiter">,</span> element<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L267" class="LineNr">267 </span> <a href='003trace.cc.html#L196'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'index' on '"</span> << base<span class="Delimiter">.</span>original_string << <span class="Constant">"' can't be saved in '"</span> << product<span class="Delimiter">.</span>original_string << <span class="Constant">"'; type should be '"</span> << names_to_string_without_quotes<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">)</span> << <span class="Constant">"'\n"</span> << end<span class="Delimiter">();</span>
<span id="L268" class="LineNr">268 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L269" class="LineNr">269 </span> <span class="Delimiter">}</span>
<span id="L270" class="LineNr">270 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L271" class="LineNr">271 </span><span class="Delimiter">}</span>
<span id="L272" class="LineNr">272 </span><span class="Delimiter">:(before "End Primitive Recipe Implementations")</span>
<span id="L273" class="LineNr">273 </span><span class="Normal">case</span> INDEX: <span class="Delimiter">{</span>
<span id="L274" class="LineNr">274 </span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> base = <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L275" class="LineNr">275 </span> <span class="Comment">// Update INDEX base in Run</span>
<span id="L276" class="LineNr">276 </span> <span class="Normal">int</span> base_address = base<span class="Delimiter">.</span>value<span class="Delimiter">;</span>
<span id="L277" class="LineNr">277 </span> <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9998</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"base <a href='043space.cc.html#L101'>address</a> is "</span> << base_address << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L278" class="LineNr">278 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>base_address == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L279" class="LineNr">279 </span> <a href='003trace.cc.html#L196'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> << <span class="Constant">"tried to access location 0 in '"</span> << to_original_string<span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</span> << <span class="Constant">"'\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L280" class="LineNr">280 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L281" class="LineNr">281 </span> <span class="Delimiter">}</span>
<span id="L282" class="LineNr">282 </span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> index = <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
<span id="L283" class="LineNr">283 </span> <span class="Comment">// Update INDEX index in Run</span>
<span id="L284" class="LineNr">284 </span> vector<<span class="Normal">double</span>> index_val<span class="Delimiter">(</span>read_memory<span class="Delimiter">(</span>index<span class="Delimiter">));</span>
<span id="L285" class="LineNr">285 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>index_val<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> < <span class="Constant">0</span> || index_val<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> >= <a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span><span class="Special">Memory</span><span class="Delimiter">,</span> base_address<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L286" class="LineNr">286 </span> <a href='003trace.cc.html#L196'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> << <span class="Constant">"invalid index "</span> << no_scientific<span class="Delimiter">(</span>index_val<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> << <span class="Constant">" in '"</span> << to_original_string<span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</span> << <span class="Constant">"'\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L287" class="LineNr">287 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L288" class="LineNr">288 </span> <span class="Delimiter">}</span>
<span id="L289" class="LineNr">289 </span> reagent<span class="Comment">/*</span><span class="Comment">local</span><span class="Comment">*/</span> element<span class="Delimiter">(</span><a href='032array.cc.html#L299'>copy_array_element</a><span class="Delimiter">(</span>base<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
<span id="L290" class="LineNr">290 </span> element<span class="Delimiter">.</span><a href='010vm.cc.html#L67'>set_value</a><span class="Delimiter">(</span>base_address + <span class="Comment">/*</span><span class="Comment">skip length</span><span class="Comment">*/</span><span class="Constant">1</span> + index_val<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span>*size_of<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
<span id="L291" class="LineNr">291 </span> <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9998</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"address to copy is "</span> << element<span class="Delimiter">.</span>value << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L292" class="LineNr">292 </span> <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9998</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"its type is "</span> << <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">)</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L293" class="LineNr">293 </span> <span class="Comment">// Read element</span>
<span id="L294" class="LineNr">294 </span> products<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>read_memory<span class="Delimiter">(</span>element<span class="Delimiter">));</span>
<span id="L295" class="LineNr">295 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L296" class="LineNr">296 </span><span class="Delimiter">}</span>
<span id="L297" class="LineNr">297 </span>
<span id="L298" class="LineNr">298 </span><span class="Delimiter">:(code)</span>
<span id="L299" class="LineNr">299 </span>type_tree* <a href='032array.cc.html#L299'>copy_array_element</a><span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L300" class="LineNr">300 </span> <span class="Identifier">return</span> <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*array_element<span class="Delimiter">(</span>type<span class="Delimiter">));</span>
<span id="L301" class="LineNr">301 </span><span class="Delimiter">}</span>
<span id="L302" class="LineNr">302 </span>
<span id="L303" class="LineNr">303 </span>type_tree* <a href='032array.cc.html#L303'>array_element</a><span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L304" class="LineNr">304 </span> assert<span class="Delimiter">(</span>type<span class="Delimiter">-></span>right<span class="Delimiter">);</span>
<span id="L305" class="LineNr">305 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L306" class="LineNr">306 </span> <span class="Identifier">return</span> type<span class="Delimiter">-></span>right<span class="Delimiter">;</span>
<span id="L307" class="LineNr">307 </span> <span class="Delimiter">}</span>
<span id="L308" class="LineNr">308 </span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L309" class="LineNr">309 </span> <span class="Identifier">return</span> type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>left<span class="Delimiter">;</span>
<span id="L310" class="LineNr">310 </span> <span class="Delimiter">}</span>
<span id="L311" class="LineNr">311 </span> <span class="Comment">// hack: support array:num:3 without requiring extra parens</span>
<span id="L312" class="LineNr">312 </span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>left && type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>left<span class="Delimiter">-></span>atom && is_integer<span class="Delimiter">(</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>left<span class="Delimiter">-></span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L313" class="LineNr">313 </span> assert<span class="Delimiter">(</span>!type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">);</span>
<span id="L314" class="LineNr">314 </span> <span class="Identifier">return</span> type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>left<span class="Delimiter">;</span>
<span id="L315" class="LineNr">315 </span> <span class="Delimiter">}</span>
<span id="L316" class="LineNr">316 </span> <span class="Identifier">return</span> type<span class="Delimiter">-></span>right<span class="Delimiter">;</span>
<span id="L317" class="LineNr">317 </span><span class="Delimiter">}</span>
<span id="L318" class="LineNr">318 </span>
<span id="L319" class="LineNr">319 </span><span class="Normal">int</span> <a href='032array.cc.html#L319'>array_length</a><span class="Delimiter">(</span><span class="Normal">const</span> reagent& x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L320" class="LineNr">320 </span> <span class="Comment">// x should already be canonized.</span>
<span id="L321" class="LineNr">321 </span> <span class="Comment">// hack: look for length in type</span>
<span id="L322" class="LineNr">322 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>type<span class="Delimiter">-></span>atom && x<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right && !x<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>atom && x<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right && !x<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>atom && !x<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right <span class="Comment">// exactly 3 types</span>
<span id="L323" class="LineNr">323 </span> && x<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>left && x<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>left<span class="Delimiter">-></span>atom && is_integer<span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>left<span class="Delimiter">-></span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span> <span class="Comment">// third 'type' is a number</span>
<span id="L324" class="LineNr">324 </span> <span class="Comment">// get size from type</span>
<span id="L325" class="LineNr">325 </span> <span class="Identifier">return</span> to_integer<span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>left<span class="Delimiter">-></span>name<span class="Delimiter">);</span>
<span id="L326" class="LineNr">326 </span> <span class="Delimiter">}</span>
<span id="L327" class="LineNr">327 </span> <span class="Comment">// this should never happen at transform time</span>
<span id="L328" class="LineNr">328 </span> <span class="Identifier">return</span> <a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span><span class="Special">Memory</span><span class="Delimiter">,</span> x<span class="Delimiter">.</span>value<span class="Delimiter">);</span>
<span id="L329" class="LineNr">329 </span><span class="Delimiter">}</span>
<span id="L330" class="LineNr">330 </span>
<span id="L331" class="LineNr">331 </span><span class="Delimiter">:(before "End Unit Tests")</span>
<span id="L332" class="LineNr">332 </span><span class="Normal">void</span> <a href='032array.cc.html#L332'>test_array_length_compound</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L333" class="LineNr">333 </span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Memory</span><span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">3</span><span class="Delimiter">);</span>
<span id="L334" class="LineNr">334 </span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Memory</span><span class="Delimiter">,</span> <span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">14</span><span class="Delimiter">);</span>
<span id="L335" class="LineNr">335 </span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Memory</span><span class="Delimiter">,</span> <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">15</span><span class="Delimiter">);</span>
<span id="L336" class="LineNr">336 </span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Memory</span><span class="Delimiter">,</span> <span class="Constant">4</span><span class="Delimiter">,</span> <span class="Constant">16</span><span class="Delimiter">);</span>
<span id="L337" class="LineNr">337 </span> reagent x<span class="Delimiter">(</span><span class="Constant">"1:array:<a href='043space.cc.html#L101'>address</a>:num"</span><span class="Delimiter">);</span> <span class="Comment">// 3 types, but not a static array</span>
<span id="L338" class="LineNr">338 </span> <a href='012transform.cc.html#L91'>populate_value</a><span class="Delimiter">(</span>x<span class="Delimiter">);</span>
<span id="L339" class="LineNr">339 </span> <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span><a href='032array.cc.html#L319'>array_length</a><span class="Delimiter">(</span>x<span class="Delimiter">),</span> <span class="Constant">3</span><span class="Delimiter">);</span>
<span id="L340" class="LineNr">340 </span><span class="Delimiter">}</span>
<span id="L341" class="LineNr">341 </span>
<span id="L342" class="LineNr">342 </span><span class="Normal">void</span> <a href='032array.cc.html#L342'>test_array_length_static</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L343" class="LineNr">343 </span> reagent x<span class="Delimiter">(</span><span class="Constant">"1:array:num:3"</span><span class="Delimiter">);</span>
<span id="L344" class="LineNr">344 </span> <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span><a href='032array.cc.html#L319'>array_length</a><span class="Delimiter">(</span>x<span class="Delimiter">),</span> <span class="Constant">3</span><span class="Delimiter">);</span>
<span id="L345" class="LineNr">345 </span><span class="Delimiter">}</span>
<span id="L346" class="LineNr">346 </span>
<span id="L347" class="LineNr">347 </span><span class="Delimiter">:(scenario index_truncates)</span>
<span id="L348" class="LineNr">348 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L349" class="LineNr">349 </span> <span class="Constant">1</span>:array:num:<span class="Constant">3</span><span class="Special"> <- </span>create-array
<span id="L350" class="LineNr">350 </span> <span class="Constant">2</span>:num<span class="Special"> <- </span>copy <span class="Constant">14</span>
<span id="L351" class="LineNr">351 </span> <span class="Constant">3</span>:num<span class="Special"> <- </span>copy <span class="Constant">15</span>
<span id="L352" class="LineNr">352 </span> <span class="Constant">4</span>:num<span class="Special"> <- </span>copy <span class="Constant">16</span>
<span id="L353" class="LineNr">353 </span> <span class="Constant">10</span>:num<span class="Special"> <- </span>index <span class="Constant">1</span>:array:num:<span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">1.5</span> <span class="Comment"># non-whole number</span>
<span id="L354" class="LineNr">354 </span>]
<span id="L355" class="LineNr">355 </span><span class="Comment"># fraction is truncated away</span>
<span id="L356" class="LineNr">356 </span><span class="traceContains">+mem: storing 15 in location 10</span>
<span id="L357" class="LineNr">357 </span>
<span id="L358" class="LineNr">358 </span><span class="Delimiter">:(scenario index_out_of_bounds)</span>
<span id="L359" class="LineNr">359 </span><span class="Special">% Hide_errors = true;</span>
<span id="L360" class="LineNr">360 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L361" class="LineNr">361 </span> <span class="Constant">1</span>:array:point:<span class="Constant">3</span><span class="Special"> <- </span>create-array
<span id="L362" class="LineNr">362 </span> index <span class="Constant">1</span>:array:point:<span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">4</span> <span class="Comment"># less than size of array in locations, but larger than its length in elements</span>
<span id="L363" class="LineNr">363 </span>]
<span id="L364" class="LineNr">364 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: invalid index 4 in 'index 1:array:point:3, 4'</span>
<span id="L365" class="LineNr">365 </span>
<span id="L366" class="LineNr">366 </span><span class="Delimiter">:(scenario index_out_of_bounds_2)</span>
<span id="L367" class="LineNr">367 </span><span class="Special">% Hide_errors = true;</span>
<span id="L368" class="LineNr">368 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L369" class="LineNr">369 </span> <span class="Constant">1</span>:array:num:<span class="Constant">3</span><span class="Special"> <- </span>create-array
<span id="L370" class="LineNr">370 </span> index <span class="Constant">1</span>:array:num<span class="Delimiter">,</span> -<span class="Constant">1</span>
<span id="L371" class="LineNr">371 </span>]
<span id="L372" class="LineNr">372 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: invalid index -1 in 'index 1:array:num, -1'</span>
<span id="L373" class="LineNr">373 </span>
<span id="L374" class="LineNr">374 </span><span class="Delimiter">:(scenario index_product_type_mismatch)</span>
<span id="L375" class="LineNr">375 </span><span class="Special">% Hide_errors = true;</span>
<span id="L376" class="LineNr">376 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L377" class="LineNr">377 </span> <span class="Constant">1</span>:array:point:<span class="Constant">3</span><span class="Special"> <- </span>create-array
<span id="L378" class="LineNr">378 </span> <span class="Constant">10</span>:num<span class="Special"> <- </span>index <span class="Constant">1</span>:array:point<span class="Delimiter">,</span> <span class="Constant">0</span>
<span id="L379" class="LineNr">379 </span>]
<span id="L380" class="LineNr">380 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: 'index' on '1:array:point' can't be saved in '10:num'; type should be 'point'</span>
<span id="L381" class="LineNr">381 </span>
<span id="L382" class="LineNr">382 </span><span class="Comment">//: we might want to call 'index' without saving the results, say in a sandbox</span>
<span id="L383" class="LineNr">383 </span>
<span id="L384" class="LineNr">384 </span><span class="Delimiter">:(scenario index_without_product)</span>
<span id="L385" class="LineNr">385 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L386" class="LineNr">386 </span> <span class="Constant">1</span>:array:num:<span class="Constant">3</span><span class="Special"> <- </span>create-array
<span id="L387" class="LineNr">387 </span> index <span class="Constant">1</span>:array:num:<span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">0</span>
<span id="L388" class="LineNr">388 </span>]
<span id="L389" class="LineNr">389 </span><span class="Comment"># just don't die</span>
<span id="L390" class="LineNr">390 </span>
<span id="L391" class="LineNr">391 </span><span class="SalientComment">//:: To write to elements of arrays, use 'put'.</span>
<span id="L392" class="LineNr">392 </span>
<span id="L393" class="LineNr">393 </span><span class="Delimiter">:(scenario put_index)</span>
<span id="L394" class="LineNr">394 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L395" class="LineNr">395 </span> <span class="Constant">1</span>:array:num:<span class="Constant">3</span><span class="Special"> <- </span>create-array
<span id="L396" class="LineNr">396 </span> <span class="Constant">1</span>:array:num<span class="Special"> <- </span>put-index <span class="Constant">1</span>:array:num<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">34</span>
<span id="L397" class="LineNr">397 </span>]
<span id="L398" class="LineNr">398 </span><span class="traceContains">+mem: storing 34 in location 3</span>
<span id="L399" class="LineNr">399 </span>
<span id="L400" class="LineNr">400 </span><span class="Delimiter">:(before "End Primitive Recipe Declarations")</span>
<span id="L401" class="LineNr">401 </span>PUT_INDEX<span class="Delimiter">,</span>
<span id="L402" class="LineNr">402 </span><span class="Delimiter">:(before "End Primitive Recipe Numbers")</span>
<span id="L403" class="LineNr">403 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> <span class="Constant">"put-index"</span><span class="Delimiter">,</span> PUT_INDEX<span class="Delimiter">);</span>
<span id="L404" class="LineNr">404 </span><span class="Delimiter">:(before "End Primitive Recipe Checks")</span>
<span id="L405" class="LineNr">405 </span><span class="Normal">case</span> PUT_INDEX: <span class="Delimiter">{</span>
<span id="L406" class="LineNr">406 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">3</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L407" class="LineNr">407 </span> <a href='003trace.cc.html#L196'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'put-index' expects exactly 3 ingredients in '"</span> << to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"'\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L408" class="LineNr">408 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L409" class="LineNr">409 </span> <span class="Delimiter">}</span>
<span id="L410" class="LineNr">410 </span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> base = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L411" class="LineNr">411 </span> <span class="Comment">// Update PUT_INDEX base in Check</span>
<span id="L412" class="LineNr">412 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_array<span class="Delimiter">(</span>base<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L413" class="LineNr">413 </span> <a href='003trace.cc.html#L196'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'put-index' on a non-array '"</span> << base<span class="Delimiter">.</span>original_string << <span class="Constant">"'\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L414" class="LineNr">414 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L415" class="LineNr">415 </span> <span class="Delimiter">}</span>
<span id="L416" class="LineNr">416 </span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> index = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
<span id="L417" class="LineNr">417 </span> <span class="Comment">// Update PUT_INDEX index in Check</span>
<span id="L418" class="LineNr">418 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>index<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L419" class="LineNr">419 </span> <a href='003trace.cc.html#L196'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"second ingredient of 'put-index' should have type 'number', but got '"</span> << inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>original_string << <span class="Constant">"'\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L420" class="LineNr">420 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L421" class="LineNr">421 </span> <span class="Delimiter">}</span>
<span id="L422" class="LineNr">422 </span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> value = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">);</span>
<span id="L423" class="LineNr">423 </span> <span class="Comment">// Update PUT_INDEX value in Check</span>
<span id="L424" class="LineNr">424 </span> reagent<span class="Comment">/*</span><span class="Comment">local</span><span class="Comment">*/</span> element<span class="Delimiter">(</span><a href='032array.cc.html#L299'>copy_array_element</a><span class="Delimiter">(</span>base<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
<span id="L425" class="LineNr">425 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!types_coercible<span class="Delimiter">(</span>element<span class="Delimiter">,</span> value<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L426" class="LineNr">426 </span> <a href='003trace.cc.html#L196'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'put-index "</span> << base<span class="Delimiter">.</span>original_string << <span class="Constant">", "</span> << inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>original_string << <span class="Constant">"' should store "</span> << names_to_string_without_quotes<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">)</span> << <span class="Constant">" but '"</span> << value<span class="Delimiter">.</span>name << <span class="Constant">"' has type "</span> << names_to_string_without_quotes<span class="Delimiter">(</span>value<span class="Delimiter">.</span>type<span class="Delimiter">)</span> << <span class="cSpecial">'\n'</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L427" class="LineNr">427 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L428" class="LineNr">428 </span> <span class="Delimiter">}</span>
<span id="L429" class="LineNr">429 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Comment">// no more checks necessary</span>
<span id="L430" class="LineNr">430 </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><span class="Constant">0</span><span class="Delimiter">).</span>name != inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L431" class="LineNr">431 </span> <a href='003trace.cc.html#L196'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"product of 'put-index' must be first ingredient '"</span> << inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string << <span class="Constant">"', but got '"</span> << inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string << <span class="Constant">"'\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L432" class="LineNr">432 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L433" class="LineNr">433 </span> <span class="Delimiter">}</span>
<span id="L434" class="LineNr">434 </span> <span class="Comment">// End PUT_INDEX Product Checks</span>
<span id="L435" class="LineNr">435 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L436" class="LineNr">436 </span><span class="Delimiter">}</span>
<span id="L437" class="LineNr">437 </span><span class="Delimiter">:(before "End Primitive Recipe Implementations")</span>
<span id="L438" class="LineNr">438 </span><span class="Normal">case</span> PUT_INDEX: <span class="Delimiter">{</span>
<span id="L439" class="LineNr">439 </span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> base = <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L440" class="LineNr">440 </span> <span class="Comment">// Update PUT_INDEX base in Run</span>
<span id="L441" class="LineNr">441 </span> <span class="Normal">int</span> base_address = base<span class="Delimiter">.</span>value<span class="Delimiter">;</span>
<span id="L442" class="LineNr">442 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>base_address == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L443" class="LineNr">443 </span> <a href='003trace.cc.html#L196'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> << <span class="Constant">"tried to access location 0 in '"</span> << to_original_string<span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</span> << <span class="Constant">"'\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L444" class="LineNr">444 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L445" class="LineNr">445 </span> <span class="Delimiter">}</span>
<span id="L446" class="LineNr">446 </span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> index = <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
<span id="L447" class="LineNr">447 </span> <span class="Comment">// Update PUT_INDEX index in Run</span>
<span id="L448" class="LineNr">448 </span> vector<<span class="Normal">double</span>> index_val<span class="Delimiter">(</span>read_memory<span class="Delimiter">(</span>index<span class="Delimiter">));</span>
<span id="L449" class="LineNr">449 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>index_val<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> < <span class="Constant">0</span> || index_val<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> >= <a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span><span class="Special">Memory</span><span class="Delimiter">,</span> base_address<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L450" class="LineNr">450 </span> <a href='003trace.cc.html#L196'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> << <span class="Constant">"invalid index "</span> << no_scientific<span class="Delimiter">(</span>index_val<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> << <span class="Constant">" in '"</span> << to_original_string<span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</span> << <span class="Constant">"'\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L451" class="LineNr">451 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L452" class="LineNr">452 </span> <span class="Delimiter">}</span>
<span id="L453" class="LineNr">453 </span> <span class="Normal">int</span> <a href='043space.cc.html#L101'>address</a> = base_address + <span class="Comment">/*</span><span class="Comment">skip length</span><span class="Comment">*/</span><span class="Constant">1</span> + index_val<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span>*size_of<span class="Delimiter">(</span><a href='032array.cc.html#L303'>array_element</a><span class="Delimiter">(</span>base<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
<span id="L454" class="LineNr">454 </span> <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9998</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"address to copy to is "</span> << <a href='043space.cc.html#L101'>address</a> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L455" class="LineNr">455 </span> <span class="Comment">// optimization: directly write the element rather than updating 'product'</span>
<span id="L456" class="LineNr">456 </span> <span class="Comment">// and writing the entire array</span>
<span id="L457" class="LineNr">457 </span> write_products =<span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L458" class="LineNr">458 </span> vector<<span class="Normal">double</span>> value = read_memory<span class="Delimiter">(</span><a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">));</span>
<span id="L459" class="LineNr">459 </span> <span class="Comment">// Write Memory in PUT_INDEX in Run</span>
<span id="L460" class="LineNr">460 </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>value<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L461" class="LineNr">461 </span> <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">"mem"</span><span class="Delimiter">)</span> << <span class="Constant">"storing "</span> << no_scientific<span class="Delimiter">(</span>value<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> << <span class="Constant">" in location "</span> << address+i << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L462" class="LineNr">462 </span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Memory</span><span class="Delimiter">,</span> address+i<span class="Delimiter">,</span> value<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
<span id="L463" class="LineNr">463 </span> <span class="Delimiter">}</span>
<span id="L464" class="LineNr">464 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L465" class="LineNr">465 </span><span class="Delimiter">}</span>
<span id="L466" class="LineNr">466 </span>
<span id="L467" class="LineNr">467 </span><span class="Delimiter">:(scenario put_index_out_of_bounds)</span>
<span id="L468" class="LineNr">468 </span><span class="Special">% Hide_errors = true;</span>
<span id="L469" class="LineNr">469 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L470" class="LineNr">470 </span> <span class="Constant">1</span>:array:point:<span class="Constant">3</span><span class="Special"> <- </span>create-array
<span id="L471" class="LineNr">471 </span> <span class="Constant">8</span>:point<span class="Special"> <- </span>merge <span class="Constant">34</span><span class="Delimiter">,</span> <span class="Constant">35</span>
<span id="L472" class="LineNr">472 </span> <span class="Constant">1</span>:array:point<span class="Special"> <- </span>put-index <span class="Constant">1</span>:array:point<span class="Delimiter">,</span> <span class="Constant">4</span><span class="Delimiter">,</span> <span class="Constant">8</span>:point <span class="Comment"># '4' is less than size of array in locations, but larger than its length in elements</span>
<span id="L473" class="LineNr">473 </span>]
<span id="L474" class="LineNr">474 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: invalid index 4 in '1:array:point <- put-index 1:array:point, 4, 8:point'</span>
<span id="L475" class="LineNr">475 </span>
<span id="L476" class="LineNr">476 </span><span class="Delimiter">:(scenario put_index_out_of_bounds_2)</span>
<span id="L477" class="LineNr">477 </span><span class="Special">% Hide_errors = true;</span>
<span id="L478" class="LineNr">478 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L479" class="LineNr">479 </span> <span class="Constant">1</span>:array:point:<span class="Constant">3</span><span class="Special"> <- </span>create-array
<span id="L480" class="LineNr">480 </span> <span class="Constant">10</span>:point<span class="Special"> <- </span>merge <span class="Constant">34</span><span class="Delimiter">,</span> <span class="Constant">35</span>
<span id="L481" class="LineNr">481 </span> <span class="Constant">1</span>:array:point<span class="Special"> <- </span>put-index <span class="Constant">1</span>:array:point<span class="Delimiter">,</span> -<span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">10</span>:point
<span id="L482" class="LineNr">482 </span>]
<span id="L483" class="LineNr">483 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: invalid index -1 in '1:array:point <- put-index 1:array:point, -1, 10:point'</span>
<span id="L484" class="LineNr">484 </span>
<span id="L485" class="LineNr">485 </span><span class="Delimiter">:(scenario put_index_product_error)</span>
<span id="L486" class="LineNr">486 </span><span class="Special">% Hide_errors = true;</span>
<span id="L487" class="LineNr">487 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L488" class="LineNr">488 </span> <span class="Constant">1</span>:array:num:<span class="Constant">3</span><span class="Special"> <- </span>create-array
<span id="L489" class="LineNr">489 </span> <span class="Constant">4</span>:array:num:<span class="Constant">3</span><span class="Special"> <- </span>put-index <span class="Constant">1</span>:array:num:<span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">,</span> <span class="Constant">34</span>
<span id="L490" class="LineNr">490 </span>]
<span id="L491" class="LineNr">491 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: product of 'put-index' must be first ingredient '1:array:num:3', but got '4:array:num:3'</span>
<span id="L492" class="LineNr">492 </span>
<span id="L493" class="LineNr">493 </span><span class="SalientComment">//:: compute the length of an array</span>
<span id="L494" class="LineNr">494 </span>
<span id="L495" class="LineNr">495 </span><span class="Delimiter">:(scenario array_length)</span>
<span id="L496" class="LineNr">496 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L497" class="LineNr">497 </span> <span class="Constant">1</span>:array:num:<span class="Constant">3</span><span class="Special"> <- </span>create-array
<span id="L498" class="LineNr">498 </span> <span class="Constant">10</span>:num<span class="Special"> <- </span>length <span class="Constant">1</span>:array:num
<span id="L499" class="LineNr">499 </span>]
<span id="L500" class="LineNr">500 </span><span class="traceContains">+mem: storing 3 in location 10</span>
<span id="L501" class="LineNr">501 </span>
<span id="L502" class="LineNr">502 </span><span class="Delimiter">:(before "End Primitive Recipe Declarations")</span>
<span id="L503" class="LineNr">503 </span>LENGTH<span class="Delimiter">,</span>
<span id="L504" class="LineNr">504 </span><span class="Delimiter">:(before "End Primitive Recipe Numbers")</span>
<span id="L505" class="LineNr">505 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> <span class="Constant">"length"</span><span class="Delimiter">,</span> LENGTH<span class="Delimiter">);</span>
<span id="L506" class="LineNr">506 </span><span class="Delimiter">:(before "End Primitive Recipe Checks")</span>
<span id="L507" class="LineNr">507 </span><span class="Normal">case</span> LENGTH: <span class="Delimiter">{</span>
<span id="L508" class="LineNr">508 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L509" class="LineNr">509 </span> <a href='003trace.cc.html#L196'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'length' expects exactly 2 ingredients in '"</span> << to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"'\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L510" class="LineNr">510 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L511" class="LineNr">511 </span> <span class="Delimiter">}</span>
<span id="L512" class="LineNr">512 </span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> array = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L513" class="LineNr">513 </span> <span class="Comment">// Update LENGTH array in Check</span>
<span id="L514" class="LineNr">514 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_array<span class="Delimiter">(</span>array<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L515" class="LineNr">515 </span> <a href='003trace.cc.html#L196'>raise</a> << <span class="Constant">"tried to calculate length of non-array '"</span> << array<span class="Delimiter">.</span>original_string << <span class="Constant">"'\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L516" class="LineNr">516 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L517" class="LineNr">517 </span> <span class="Delimiter">}</span>
<span id="L518" class="LineNr">518 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L519" class="LineNr">519 </span><span class="Delimiter">}</span>
<span id="L520" class="LineNr">520 </span><span class="Delimiter">:(before "End Primitive Recipe Implementations")</span>
<span id="L521" class="LineNr">521 </span><span class="Normal">case</span> LENGTH: <span class="Delimiter">{</span>
<span id="L522" class="LineNr">522 </span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> array = <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L523" class="LineNr">523 </span> <span class="Comment">// Update LENGTH array in Run</span>
<span id="L524" class="LineNr">524 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>array<span class="Delimiter">.</span>value == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L525" class="LineNr">525 </span> <a href='003trace.cc.html#L196'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> << <span class="Constant">"tried to access location 0 in '"</span> << to_original_string<span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</span> << <span class="Constant">"'\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L526" class="LineNr">526 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L527" class="LineNr">527 </span> <span class="Delimiter">}</span>
<span id="L528" class="LineNr">528 </span> products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
<span id="L529" class="LineNr">529 </span> products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span><span class="Special">Memory</span><span class="Delimiter">,</span> array<span class="Delimiter">.</span>value<span class="Delimiter">));</span>
<span id="L530" class="LineNr">530 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L531" class="LineNr">531 </span><span class="Delimiter">}</span>
<span id="L532" class="LineNr">532 </span>
<span id="L533" class="LineNr">533 </span><span class="Comment">//: optimization: none of the instructions in this layer use 'ingredients' so</span>
<span id="L534" class="LineNr">534 </span><span class="Comment">//: stop copying potentially huge arrays into it.</span>
<span id="L535" class="LineNr">535 </span><span class="Delimiter">:(before "End should_copy_ingredients Special-cases")</span>
<span id="L536" class="LineNr">536 </span><a href='010vm.cc.html#L14'>recipe_ordinal</a> r = <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>operation<span class="Delimiter">;</span>
<span id="L537" class="LineNr">537 </span><span class="Normal">if</span> <span class="Delimiter">(</span>r == CREATE_ARRAY || r == INDEX || r == PUT_INDEX || r == LENGTH<span class="Delimiter">)</span>
<span id="L538" class="LineNr">538 </span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span>
</pre>
</body>
</html>
<!-- vim: set foldmethod=manual : -->
|