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<pre id='vimCodeElement'>
<span id="L1" class="LineNr"> 1 </span><span class="Comment">//: Extend 'new' to handle a unicode string literal argument or 'text'.</span>
<span id="L2" class="LineNr"> 2 </span>
<span id="L3" class="LineNr"> 3 </span><span class="Comment">//: A Mu text is an address to an array of characters.</span>
<span id="L4" class="LineNr"> 4 </span><span class="Delimiter">:(before "End Mu Types Initialization")</span>
<span id="L5" class="LineNr"> 5 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Type_abbreviations<span class="Delimiter">,</span> <span class="Constant">"text"</span><span class="Delimiter">,</span> <a href='018type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span><span class="Constant">"address:array:character"</span><span class="Delimiter">));</span>
<span id="L6" class="LineNr"> 6 </span>
<span id="L7" class="LineNr"> 7 </span><span class="Delimiter">:(scenario new_string)</span>
<span id="L8" class="LineNr"> 8 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L9" class="LineNr"> 9 </span> <span class="Constant">1</span>:text<span class="Special"> <- </span><span class="Normal">new</span> [abc def]
<span id="L10" class="LineNr"> 10 </span> <span class="Constant">2</span>:<span class="Normal">char</span><span class="Special"> <- </span>index *<span class="Constant">1</span>:text<span class="Delimiter">,</span> <span class="Constant">5</span>
<span id="L11" class="LineNr"> 11 </span>]
<span id="L12" class="LineNr"> 12 </span><span class="Comment"># number code for 'e'</span>
<span id="L13" class="LineNr"> 13 </span><span class="traceContains">+mem: storing 101 in location 2</span>
<span id="L14" class="LineNr"> 14 </span>
<span id="L15" class="LineNr"> 15 </span><span class="Delimiter">:(scenario new_string_handles_unicode)</span>
<span id="L16" class="LineNr"> 16 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L17" class="LineNr"> 17 </span> <span class="Constant">1</span>:text<span class="Special"> <- </span><span class="Normal">new</span> [a«c]
<span id="L18" class="LineNr"> 18 </span> <span class="Constant">2</span>:num<span class="Special"> <- </span>length *<span class="Constant">1</span>:text
<span id="L19" class="LineNr"> 19 </span> <span class="Constant">3</span>:<span class="Normal">char</span><span class="Special"> <- </span>index *<span class="Constant">1</span>:text<span class="Delimiter">,</span> <span class="Constant">1</span>
<span id="L20" class="LineNr"> 20 </span>]
<span id="L21" class="LineNr"> 21 </span><span class="traceContains">+mem: storing 3 in location 2</span>
<span id="L22" class="LineNr"> 22 </span><span class="Comment"># unicode for '«'</span>
<span id="L23" class="LineNr"> 23 </span><span class="traceContains">+mem: storing 171 in location 3</span>
<span id="L24" class="LineNr"> 24 </span>
<span id="L25" class="LineNr"> 25 </span><span class="Delimiter">:(before "End NEW Check Special-cases")</span>
<span id="L26" class="LineNr"> 26 </span><span class="Normal">if</span> <span class="Delimiter">(</span><a href='014literal_string.cc.html#L126'>is_literal_text</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L27" class="LineNr"> 27 </span><span class="Delimiter">:(before "Convert 'new' To 'allocate'")</span>
<span id="L28" class="LineNr"> 28 </span><span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">"new"</span> && <a href='014literal_string.cc.html#L126'>is_literal_text</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L29" class="LineNr"> 29 </span><span class="Delimiter">:(after "case NEW" following "Primitive Recipe Implementations")</span>
<span id="L30" class="LineNr"> 30 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='014literal_string.cc.html#L126'>is_literal_text</a><span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
<span id="L31" class="LineNr"> 31 </span> <span class="Conceal">¦</span> products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
<span id="L32" class="LineNr"> 32 </span> <span class="Conceal">¦</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='038new_text.cc.html#L38'>new_mu_text</a><span class="Delimiter">(</span>current_instruction<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 id="L33" class="LineNr"> 33 </span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">"mem"</span><span class="Delimiter">)</span> << <span class="Constant">"new string alloc: "</span> << products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> << <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
<span id="L34" class="LineNr"> 34 </span> <span class="Conceal">¦</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 id="L37" class="LineNr"> 37 </span><span class="Delimiter">:(code)</span>
<span id="L38" class="LineNr"> 38 </span><span class="Normal">int</span> <a href='038new_text.cc.html#L38'>new_mu_text</a><span class="Delimiter">(</span><span class="Normal">const</span> string& contents<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L39" class="LineNr"> 39 </span> <span class="Comment">// allocate an array just large enough for it</span>
<span id="L40" class="LineNr"> 40 </span> <span class="Normal">int</span> string_length = <a href='038new_text.cc.html#L131'>unicode_length</a><span class="Delimiter">(</span>contents<span class="Delimiter">);</span>
<span id="L41" class="LineNr"> 41 </span><span class="CommentedCode">//? Total_alloc += string_length+1;</span>
<span id="L42" class="LineNr"> 42 </span><span class="CommentedCode">//? ++Num_alloc;</span>
<span id="L43" class="LineNr"> 43 </span> <span class="Normal">int</span> result = allocate<span class="Delimiter">(</span>string_length+<span class="Comment">/*</span><span class="Comment">array length</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">);</span>
<span id="L44" class="LineNr"> 44 </span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">"mem"</span><span class="Delimiter">)</span> << <span class="Constant">"storing string refcount 0 in location "</span> << result << <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
<span id="L45" class="LineNr"> 45 </span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> result<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L46" class="LineNr"> 46 </span> <span class="Normal">int</span> curr_address = result+<span class="Comment">/*</span><span class="Comment">skip refcount</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>
<span id="L47" class="LineNr"> 47 </span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">"mem"</span><span class="Delimiter">)</span> << <span class="Constant">"storing string length "</span> << string_length << <span class="Constant">" in location "</span> << curr_address << <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
<span id="L48" class="LineNr"> 48 </span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr_address<span class="Delimiter">,</span> string_length<span class="Delimiter">);</span>
<span id="L49" class="LineNr"> 49 </span> ++curr_address<span class="Delimiter">;</span> <span class="Comment">// skip length</span>
<span id="L50" class="LineNr"> 50 </span> <span class="Normal">int</span> curr = <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L51" class="LineNr"> 51 </span> <span class="Normal">const</span> <span class="Normal">char</span>* raw_contents = contents<span class="Delimiter">.</span>c_str<span class="Delimiter">();</span>
<span id="L52" class="LineNr"> 52 </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 < string_length<span class="Delimiter">;</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L53" class="LineNr"> 53 </span> <span class="Conceal">¦</span> <span class="Normal">uint32_t</span> curr_character<span class="Delimiter">;</span>
<span id="L54" class="LineNr"> 54 </span> <span class="Conceal">¦</span> assert<span class="Delimiter">(</span>curr < <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>contents<span class="Delimiter">));</span>
<span id="L55" class="LineNr"> 55 </span> <span class="Conceal">¦</span> tb_utf8_char_to_unicode<span class="Delimiter">(</span>&curr_character<span class="Delimiter">,</span> &raw_contents[curr]<span class="Delimiter">);</span>
<span id="L56" class="LineNr"> 56 </span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">"mem"</span><span class="Delimiter">)</span> << <span class="Constant">"storing string character "</span> << curr_character << <span class="Constant">" in location "</span> << curr_address << <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
<span id="L57" class="LineNr"> 57 </span> <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr_address<span class="Delimiter">,</span> curr_character<span class="Delimiter">);</span>
<span id="L58" class="LineNr"> 58 </span> <span class="Conceal">¦</span> curr += tb_utf8_char_length<span class="Delimiter">(</span>raw_contents[curr]<span class="Delimiter">);</span>
<span id="L59" class="LineNr"> 59 </span> <span class="Conceal">¦</span> ++curr_address<span class="Delimiter">;</span>
<span id="L60" class="LineNr"> 60 </span> <span class="Delimiter">}</span>
<span id="L61" class="LineNr"> 61 </span> <span class="Comment">// Mu strings are not null-terminated in memory.</span>
<span id="L62" class="LineNr"> 62 </span> <span class="Identifier">return</span> result<span class="Delimiter">;</span>
<span id="L63" class="LineNr"> 63 </span><span class="Delimiter">}</span>
<span id="L64" class="LineNr"> 64 </span>
<span id="L65" class="LineNr"> 65 </span><span class="Comment">//: a new kind of typo</span>
<span id="L66" class="LineNr"> 66 </span>
<span id="L67" class="LineNr"> 67 </span><span class="Delimiter">:(scenario string_literal_without_instruction)</span>
<span id="L68" class="LineNr"> 68 </span><span class="Special">% Hide_errors = true;</span>
<span id="L69" class="LineNr"> 69 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L70" class="LineNr"> 70 </span> [abc]
<span id="L71" class="LineNr"> 71 </span>]
<span id="L72" class="LineNr"> 72 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: <a href='010vm.cc.html#L32'>instruction</a> '[abc]' has no <a href='010vm.cc.html#L19'>recipe</a> in '[abc]'</span>
<span id="L73" class="LineNr"> 73 </span>
<span id="L74" class="LineNr"> 74 </span><span class="Comment">//: stash recognizes strings</span>
<span id="L75" class="LineNr"> 75 </span>
<span id="L76" class="LineNr"> 76 </span><span class="Delimiter">:(scenario stash_string)</span>
<span id="L77" class="LineNr"> 77 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L78" class="LineNr"> 78 </span> <span class="Constant">1</span>:text<span class="Special"> <- </span><span class="Normal">new</span> [abc]
<span id="L79" class="LineNr"> 79 </span> stash [foo:]<span class="Delimiter">,</span> <span class="Constant">1</span>:text
<span id="L80" class="LineNr"> 80 </span>]
<span id="L81" class="LineNr"> 81 </span><span class="traceContains">+app: foo: abc</span>
<span id="L82" class="LineNr"> 82 </span>
<span id="L83" class="LineNr"> 83 </span><span class="Delimiter">:(before "End inspect Special-cases(r, data)")</span>
<span id="L84" class="LineNr"> 84 </span><span class="Normal">if</span> <span class="Delimiter">(</span><a href='027call_ingredient.cc.html#L174'>is_mu_text</a><span class="Delimiter">(</span>r<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L85" class="LineNr"> 85 </span> assert<span class="Delimiter">(</span>scalar<span class="Delimiter">(</span>data<span class="Delimiter">));</span>
<span id="L86" class="LineNr"> 86 </span> <span class="Identifier">return</span> <a href='038new_text.cc.html#L143'>read_mu_text</a><span class="Delimiter">(</span>data<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span>
<span id="L87" class="LineNr"> 87 </span><span class="Delimiter">}</span>
<span id="L88" class="LineNr"> 88 </span>
<span id="L89" class="LineNr"> 89 </span><span class="Delimiter">:(before "End $print Special-cases")</span>
<span id="L90" class="LineNr"> 90 </span><span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='027call_ingredient.cc.html#L174'>is_mu_text</a><span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
<span id="L91" class="LineNr"> 91 </span> cout << <a href='038new_text.cc.html#L143'>read_mu_text</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span>
<span id="L92" class="LineNr"> 92 </span><span class="Delimiter">}</span>
<span id="L93" class="LineNr"> 93 </span>
<span id="L94" class="LineNr"> 94 </span><span class="Delimiter">:(scenario unicode_string)</span>
<span id="L95" class="LineNr"> 95 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L96" class="LineNr"> 96 </span> <span class="Constant">1</span>:text<span class="Special"> <- </span><span class="Normal">new</span> [♠]
<span id="L97" class="LineNr"> 97 </span> stash [foo:]<span class="Delimiter">,</span> <span class="Constant">1</span>:text
<span id="L98" class="LineNr"> 98 </span>]
<span id="L99" class="LineNr"> 99 </span><span class="traceContains">+app: foo: ♠</span>
<span id="L100" class="LineNr">100 </span>
<span id="L101" class="LineNr">101 </span><span class="Delimiter">:(scenario stash_space_after_string)</span>
<span id="L102" class="LineNr">102 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L103" class="LineNr">103 </span> <span class="Constant">1</span>:text<span class="Special"> <- </span><span class="Normal">new</span> [abc]
<span id="L104" class="LineNr">104 </span> stash <span class="Constant">1</span>:text<span class="Delimiter">,</span> [foo]
<span id="L105" class="LineNr">105 </span>]
<span id="L106" class="LineNr">106 </span><span class="traceContains">+app: abc foo</span>
<span id="L107" class="LineNr">107 </span>
<span id="L108" class="LineNr">108 </span><span class="Delimiter">:(scenario stash_string_as_array)</span>
<span id="L109" class="LineNr">109 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L110" class="LineNr">110 </span> <span class="Constant">1</span>:text<span class="Special"> <- </span><span class="Normal">new</span> [abc]
<span id="L111" class="LineNr">111 </span> stash *<span class="Constant">1</span>:text
<span id="L112" class="LineNr">112 </span>]
<span id="L113" class="LineNr">113 </span><span class="traceContains">+app: 3 97 98 99</span>
<span id="L114" class="LineNr">114 </span>
<span id="L115" class="LineNr">115 </span><span class="Comment">//: fixes way more than just stash</span>
<span id="L116" class="LineNr">116 </span><span class="Delimiter">:(before "End Preprocess is_mu_text(reagent x)")</span>
<span id="L117" class="LineNr">117 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>x<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
<span id="L118" class="LineNr">118 </span>
<span id="L119" class="LineNr">119 </span><span class="Comment">//: Allocate more to routine when initializing a literal string</span>
<span id="L120" class="LineNr">120 </span><span class="Delimiter">:(scenario new_string_overflow)</span>
<span id="L121" class="LineNr">121 </span><span class="Special">% Initial_memory_per_routine = 3;</span>
<span id="L122" class="LineNr">122 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L123" class="LineNr">123 </span> <span class="Constant">1</span>:<a href='043space.cc.html#L76'>address</a>:num/<span class="Special">raw <- </span><span class="Normal">new</span> <span class="Constant">number:type</span>
<span id="L124" class="LineNr">124 </span> <span class="Constant">2</span>:text/<span class="Special">raw <- </span><span class="Normal">new</span> [a] <span class="Comment"># not enough room in initial page, if you take the refcount and array length into account</span>
<span id="L125" class="LineNr">125 </span>]
<span id="L126" class="LineNr">126 </span><span class="traceContains">+new: routine allocated memory from 1000 to 1003</span>
<span id="L127" class="LineNr">127 </span><span class="traceContains">+new: routine allocated memory from 1003 to 1006</span>
<span id="L128" class="LineNr">128 </span>
<span id="L129" class="LineNr">129 </span><span class="Comment">//: helpers</span>
<span id="L130" class="LineNr">130 </span><span class="Delimiter">:(code)</span>
<span id="L131" class="LineNr">131 </span><span class="Normal">int</span> <a href='038new_text.cc.html#L131'>unicode_length</a><span class="Delimiter">(</span><span class="Normal">const</span> string& s<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L132" class="LineNr">132 </span> <span class="Normal">const</span> <span class="Normal">char</span>* in = s<span class="Delimiter">.</span>c_str<span class="Delimiter">();</span>
<span id="L133" class="LineNr">133 </span> <span class="Normal">int</span> result = <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L134" class="LineNr">134 </span> <span class="Normal">int</span> curr = <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L135" class="LineNr">135 </span> <span class="Normal">while</span> <span class="Delimiter">(</span>curr < <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>s<span class="Delimiter">))</span> <span class="Delimiter">{</span> <span class="Comment">// carefully bounds-check on the string</span>
<span id="L136" class="LineNr">136 </span> <span class="Conceal">¦</span> <span class="Comment">// before accessing its raw pointer</span>
<span id="L137" class="LineNr">137 </span> <span class="Conceal">¦</span> ++result<span class="Delimiter">;</span>
<span id="L138" class="LineNr">138 </span> <span class="Conceal">¦</span> curr += tb_utf8_char_length<span class="Delimiter">(</span>in[curr]<span class="Delimiter">);</span>
<span id="L139" class="LineNr">139 </span> <span class="Delimiter">}</span>
<span id="L140" class="LineNr">140 </span> <span class="Identifier">return</span> result<span class="Delimiter">;</span>
<span id="L141" class="LineNr">141 </span><span class="Delimiter">}</span>
<span id="L142" class="LineNr">142 </span>
<span id="L143" class="LineNr">143 </span>string <a href='038new_text.cc.html#L143'>read_mu_text</a><span class="Delimiter">(</span><span class="Normal">int</span> <a href='043space.cc.html#L76'>address</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L144" class="LineNr">144 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='043space.cc.html#L76'>address</a> == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">""</span><span class="Delimiter">;</span>
<span id="L145" class="LineNr">145 </span> ++address<span class="Delimiter">;</span> <span class="Comment">// skip refcount</span>
<span id="L146" class="LineNr">146 </span> <span class="Normal">int</span> size = <a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <a href='043space.cc.html#L76'>address</a><span class="Delimiter">);</span>
<span id="L147" class="LineNr">147 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>size == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">""</span><span class="Delimiter">;</span>
<span id="L148" class="LineNr">148 </span> ostringstream tmp<span class="Delimiter">;</span>
<span id="L149" class="LineNr">149 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> curr = address+<span class="Constant">1</span><span class="Delimiter">;</span> curr <= address+size<span class="Delimiter">;</span> ++curr<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L150" class="LineNr">150 </span> <span class="Conceal">¦</span> tmp << to_unicode<span class="Delimiter">(</span><span class="Normal">static_cast</span><<span class="Normal">uint32_t</span>><span class="Delimiter">(</span><a href='001help.cc.html#L225'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr<span class="Delimiter">)));</span>
<span id="L151" class="LineNr">151 </span> <span class="Delimiter">}</span>
<span id="L152" class="LineNr">152 </span> <span class="Identifier">return</span> tmp<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
<span id="L153" class="LineNr">153 </span><span class="Delimiter">}</span>
<span id="L154" class="LineNr">154 </span>
<span id="L155" class="LineNr">155 </span><span class="SalientComment">//:: some miscellaneous helpers now that we have text</span>
<span id="L156" class="LineNr">156 </span>
<span id="L157" class="LineNr">157 </span><span class="Comment">//: assert: perform sanity checks at runtime</span>
<span id="L158" class="LineNr">158 </span>
<span id="L159" class="LineNr">159 </span><span class="Delimiter">:(scenario assert)</span>
<span id="L160" class="LineNr">160 </span><span class="Special">% Hide_errors = true; // '%' lines insert arbitrary C code into tests before calling 'run' with the lines below. Must be immediately after :(scenario) line.</span>
<span id="L161" class="LineNr">161 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L162" class="LineNr">162 </span> assert <span class="Constant">0</span><span class="Delimiter">,</span> [<span class="Normal">this</span> is an assert in Mu]
<span id="L163" class="LineNr">163 </span>]
<span id="L164" class="LineNr">164 </span><span class="traceContains">+error: this is an assert in Mu</span>
<span id="L165" class="LineNr">165 </span>
<span id="L166" class="LineNr">166 </span><span class="Delimiter">:(before "End Primitive Recipe Declarations")</span>
<span id="L167" class="LineNr">167 </span>ASSERT<span class="Delimiter">,</span>
<span id="L168" class="LineNr">168 </span><span class="Delimiter">:(before "End Primitive Recipe Numbers")</span>
<span id="L169" class="LineNr">169 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"assert"</span><span class="Delimiter">,</span> ASSERT<span class="Delimiter">);</span>
<span id="L170" class="LineNr">170 </span><span class="Delimiter">:(before "End Primitive Recipe Checks")</span>
<span id="L171" class="LineNr">171 </span><span class="Normal">case</span> ASSERT: <span class="Delimiter">{</span>
<span id="L172" class="LineNr">172 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>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="L173" class="LineNr">173 </span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'assert' takes exactly two ingredients rather than '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
<span id="L174" class="LineNr">174 </span> <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L175" class="LineNr">175 </span> <span class="Delimiter">}</span>
<span id="L176" class="LineNr">176 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_scalar<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
<span id="L177" class="LineNr">177 </span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'assert' requires a boolean for its first ingredient, but got '"</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">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
<span id="L178" class="LineNr">178 </span> <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L179" class="LineNr">179 </span> <span class="Delimiter">}</span>
<span id="L180" class="LineNr">180 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_literal_text<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">))</span> && !is_mu_text<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
<span id="L181" class="LineNr">181 </span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'assert' requires a text as its second ingredient, 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">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
<span id="L182" class="LineNr">182 </span> <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L183" class="LineNr">183 </span> <span class="Delimiter">}</span>
<span id="L184" class="LineNr">184 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L185" class="LineNr">185 </span><span class="Delimiter">}</span>
<span id="L186" class="LineNr">186 </span><span class="Delimiter">:(before "End Primitive Recipe Implementations")</span>
<span id="L187" class="LineNr">187 </span><span class="Normal">case</span> ASSERT: <span class="Delimiter">{</span>
<span id="L188" class="LineNr">188 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L189" class="LineNr">189 </span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='014literal_string.cc.html#L126'>is_literal_text</a><span class="Delimiter">(</span>current_instruction<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="L190" class="LineNr">190 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> << current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>name << <span class="cSpecial">'\n'</span> << <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
<span id="L191" class="LineNr">191 </span> <span class="Conceal">¦</span> <span class="Normal">else</span>
<span id="L192" class="LineNr">192 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> << <a href='038new_text.cc.html#L143'>read_mu_text</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> << <span class="cSpecial">'\n'</span> << <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
<span id="L193" class="LineNr">193 </span> <span class="Delimiter">}</span>
<span id="L194" class="LineNr">194 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L195" class="LineNr">195 </span><span class="Delimiter">}</span>
<span id="L196" class="LineNr">196 </span>
<span id="L197" class="LineNr">197 </span>
<span id="L198" class="LineNr">198 </span><span class="Comment">//: 'cheating' by using the host system</span>
<span id="L199" class="LineNr">199 </span>
<span id="L200" class="LineNr">200 </span><span class="Delimiter">:(before "End Primitive Recipe Declarations")</span>
<span id="L201" class="LineNr">201 </span>_READ<span class="Delimiter">,</span>
<span id="L202" class="LineNr">202 </span><span class="Delimiter">:(before "End Primitive Recipe Numbers")</span>
<span id="L203" class="LineNr">203 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"$read"</span><span class="Delimiter">,</span> _READ<span class="Delimiter">);</span>
<span id="L204" class="LineNr">204 </span><span class="Delimiter">:(before "End Primitive Recipe Checks")</span>
<span id="L205" class="LineNr">205 </span><span class="Normal">case</span> _READ: <span class="Delimiter">{</span>
<span id="L206" class="LineNr">206 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L207" class="LineNr">207 </span><span class="Delimiter">}</span>
<span id="L208" class="LineNr">208 </span><span class="Delimiter">:(before "End Primitive Recipe Implementations")</span>
<span id="L209" class="LineNr">209 </span><span class="Normal">case</span> _READ: <span class="Delimiter">{</span>
<span id="L210" class="LineNr">210 </span> <a href='038new_text.cc.html#L220'>skip_whitespace</a><span class="Delimiter">(</span>cin<span class="Delimiter">);</span>
<span id="L211" class="LineNr">211 </span> string result<span class="Delimiter">;</span>
<span id="L212" class="LineNr">212 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L235'>has_data</a><span class="Delimiter">(</span>cin<span class="Delimiter">))</span>
<span id="L213" class="LineNr">213 </span> <span class="Conceal">¦</span> cin >> result<span class="Delimiter">;</span>
<span id="L214" class="LineNr">214 </span> products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
<span id="L215" class="LineNr">215 </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='038new_text.cc.html#L38'>new_mu_text</a><span class="Delimiter">(</span>result<span class="Delimiter">));</span>
<span id="L216" class="LineNr">216 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L217" class="LineNr">217 </span><span class="Delimiter">}</span>
<span id="L218" class="LineNr">218 </span>
<span id="L219" class="LineNr">219 </span><span class="Delimiter">:(code)</span>
<span id="L220" class="LineNr">220 </span><span class="Normal">void</span> <a href='038new_text.cc.html#L220'>skip_whitespace</a><span class="Delimiter">(</span>istream& in<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L221" class="LineNr">221 </span> <span class="Normal">while</span> <span class="Delimiter">(</span><span class="Constant">true</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L222" class="LineNr">222 </span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!has_data<span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L223" class="LineNr">223 </span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>isspace<span class="Delimiter">(</span>in<span class="Delimiter">.</span>peek<span class="Delimiter">()))</span> in<span class="Delimiter">.</span>get<span class="Delimiter">();</span>
<span id="L224" class="LineNr">224 </span> <span class="Conceal">¦</span> <span class="Normal">else</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L225" class="LineNr">225 </span> <span class="Delimiter">}</span>
<span id="L226" class="LineNr">226 </span><span class="Delimiter">}</span>
</pre>
</body>
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