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<a href='https://github.com/akkartik/mu/blob/master/089scenario_filesystem.cc'>https://github.com/akkartik/mu/blob/master/089scenario_filesystem.cc</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr"> 1 </span><span class="Comment">//: Clean syntax to manipulate and check the file system in scenarios.</span>
<span id="L2" class="LineNr"> 2 </span><span class="Comment">//: Instruction 'assume-resources' implicitly creates a variable called</span>
<span id="L3" class="LineNr"> 3 </span><span class="Comment">//: 'resources' that is accessible to later instructions in the scenario.</span>
<span id="L4" class="LineNr"> 4 </span>
<span id="L5" class="LineNr"> 5 </span><span class="Delimiter">:(scenarios run_mu_scenario)</span>
<span id="L6" class="LineNr"> 6 </span><span class="Delimiter">:(scenario simple_filesystem)</span>
<span id="L7" class="LineNr"> 7 </span><span class="muScenario"><a href='050scenario.cc.html#L57'>scenario</a></span> simple-filesystem [
<span id="L8" class="LineNr"> 8 </span> local-scope
<span id="L9" class="LineNr"> 9 </span> assume-resources [
<span id="L10" class="LineNr"> 10 </span> <span class="Comment"># file 'a' containing two lines of data</span>
<span id="L11" class="LineNr"> 11 </span> [a]<span class="Special"> <- </span>[
<span id="L12" class="LineNr"> 12 </span> |a bc|
<span id="L13" class="LineNr"> 13 </span> |de f|
<span id="L14" class="LineNr"> 14 </span> ]
<span id="L15" class="LineNr"> 15 </span> <span class="Comment"># directory 'b' containing two files, 'c' and 'd'</span>
<span id="L16" class="LineNr"> 16 </span> [b/c]<span class="Special"> <- </span>[]
<span id="L17" class="LineNr"> 17 </span> [b/d]<span class="Special"> <- </span>[
<span id="L18" class="LineNr"> 18 </span> |xyz|
<span id="L19" class="LineNr"> 19 </span> ]
<span id="L20" class="LineNr"> 20 </span> ]
<span id="L21" class="LineNr"> 21 </span> <span class="Normal">data</span>:&:@:resource<span class="Special"> <- </span>get *resources<span class="Delimiter">,</span> <span class="Constant">data:offset</span>
<span id="L22" class="LineNr"> 22 </span> <span class="Normal">file1</span>:resource<span class="Special"> <- </span>index *data<span class="Delimiter">,</span> <span class="Constant">0</span>
<span id="L23" class="LineNr"> 23 </span> file1-name:text<span class="Special"> <- </span>get file1<span class="Delimiter">,</span> <span class="Constant">name:offset</span>
<span id="L24" class="LineNr"> 24 </span> <span class="Constant">10</span>:@:<span class="Normal">char</span>/<span class="Special">raw <- </span>copy *file1-name
<span id="L25" class="LineNr"> 25 </span> file1-contents:text<span class="Special"> <- </span>get file1<span class="Delimiter">,</span> <span class="Constant">contents:offset</span>
<span id="L26" class="LineNr"> 26 </span> <span class="Constant">100</span>:@:<span class="Normal">char</span>/<span class="Special">raw <- </span>copy *file1-contents
<span id="L27" class="LineNr"> 27 </span> <span class="Normal">file2</span>:resource<span class="Special"> <- </span>index *data<span class="Delimiter">,</span> <span class="Constant">1</span>
<span id="L28" class="LineNr"> 28 </span> file2-name:text<span class="Special"> <- </span>get file2<span class="Delimiter">,</span> <span class="Constant">name:offset</span>
<span id="L29" class="LineNr"> 29 </span> <span class="Constant">30</span>:@:<span class="Normal">char</span>/<span class="Special">raw <- </span>copy *file2-name
<span id="L30" class="LineNr"> 30 </span> file2-contents:text<span class="Special"> <- </span>get file2<span class="Delimiter">,</span> <span class="Constant">contents:offset</span>
<span id="L31" class="LineNr"> 31 </span> <span class="Constant">40</span>:@:<span class="Normal">char</span>/<span class="Special">raw <- </span>copy *file2-contents
<span id="L32" class="LineNr"> 32 </span> <span class="Normal">file3</span>:resource<span class="Special"> <- </span>index *data<span class="Delimiter">,</span> <span class="Constant">2</span>
<span id="L33" class="LineNr"> 33 </span> file3-name:text<span class="Special"> <- </span>get file3<span class="Delimiter">,</span> <span class="Constant">name:offset</span>
<span id="L34" class="LineNr"> 34 </span> <span class="Constant">50</span>:@:<span class="Normal">char</span>/<span class="Special">raw <- </span>copy *file3-name
<span id="L35" class="LineNr"> 35 </span> file3-contents:text<span class="Special"> <- </span>get file3<span class="Delimiter">,</span> <span class="Constant">contents:offset</span>
<span id="L36" class="LineNr"> 36 </span> <span class="Constant">60</span>:@:<span class="Normal">char</span>/<span class="Special">raw <- </span>copy *file3-contents
<span id="L37" class="LineNr"> 37 </span> memory-should-contain [
<span id="L38" class="LineNr"> 38 </span> <span class="Constant">10</span>:array:character<span class="Special"> <- </span>[a]
<span id="L39" class="LineNr"> 39 </span> <span class="Constant">100</span>:array:character<span class="Special"> <- </span>[a bc
<span id="L40" class="LineNr"> 40 </span>de f
<span id="L41" class="LineNr"> 41 </span>]
<span id="L42" class="LineNr"> 42 </span> <span class="Constant">30</span>:array:character<span class="Special"> <- </span>[b/c]
<span id="L43" class="LineNr"> 43 </span> <span class="Constant">40</span>:array:character<span class="Special"> <- </span>[]
<span id="L44" class="LineNr"> 44 </span> <span class="Constant">50</span>:array:character<span class="Special"> <- </span>[b/d]
<span id="L45" class="LineNr"> 45 </span> <span class="Constant">60</span>:array:character<span class="Special"> <- </span>[xyz
<span id="L46" class="LineNr"> 46 </span>]
<span id="L47" class="LineNr"> 47 </span> ]
<span id="L48" class="LineNr"> 48 </span>]
<span id="L49" class="LineNr"> 49 </span>
<span id="L50" class="LineNr"> 50 </span><span class="Delimiter">:(scenario escaping_file_contents)</span>
<span id="L51" class="LineNr"> 51 </span><span class="muScenario"><a href='050scenario.cc.html#L57'>scenario</a></span> escaping-file-contents [
<span id="L52" class="LineNr"> 52 </span> local-scope
<span id="L53" class="LineNr"> 53 </span> assume-resources [
<span id="L54" class="LineNr"> 54 </span> <span class="Comment"># file 'a' containing a '|'</span>
<span id="L55" class="LineNr"> 55 </span> <span class="Comment"># need to escape '\' once for each block</span>
<span id="L56" class="LineNr"> 56 </span> [a]<span class="Special"> <- </span>[
<span id="L57" class="LineNr"> 57 </span> |x\\\\|yz|
<span id="L58" class="LineNr"> 58 </span> ]
<span id="L59" class="LineNr"> 59 </span> ]
<span id="L60" class="LineNr"> 60 </span> <span class="Normal">data</span>:&:@:resource<span class="Special"> <- </span>get *resources<span class="Delimiter">,</span> <span class="Constant">data:offset</span>
<span id="L61" class="LineNr"> 61 </span> <span class="Normal">file1</span>:resource<span class="Special"> <- </span>index *data<span class="Delimiter">,</span> <span class="Constant">0</span>
<span id="L62" class="LineNr"> 62 </span> file1-name:text<span class="Special"> <- </span>get file1<span class="Delimiter">,</span> <span class="Constant">name:offset</span>
<span id="L63" class="LineNr"> 63 </span> <span class="Constant">10</span>:@:<span class="Normal">char</span>/<span class="Special">raw <- </span>copy *file1-name
<span id="L64" class="LineNr"> 64 </span> file1-contents:text<span class="Special"> <- </span>get file1<span class="Delimiter">,</span> <span class="Constant">contents:offset</span>
<span id="L65" class="LineNr"> 65 </span> <span class="Constant">20</span>:@:<span class="Normal">char</span>/<span class="Special">raw <- </span>copy *file1-contents
<span id="L66" class="LineNr"> 66 </span> memory-should-contain [
<span id="L67" class="LineNr"> 67 </span> <span class="Constant">10</span>:array:character<span class="Special"> <- </span>[a]
<span id="L68" class="LineNr"> 68 </span> <span class="Constant">20</span>:array:character<span class="Special"> <- </span>[x|yz
<span id="L69" class="LineNr"> 69 </span>]
<span id="L70" class="LineNr"> 70 </span> ]
<span id="L71" class="LineNr"> 71 </span>]
<span id="L72" class="LineNr"> 72 </span>
<span id="L73" class="LineNr"> 73 </span><span class="Delimiter">:(before "End Globals")</span>
<span id="L74" class="LineNr"> 74 </span><span class="Normal">extern</span> <span class="Normal">const</span> <span class="Normal">int</span> RESOURCES = next_predefined_global_for_scenarios<span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">size_of(address:resources)</span><span class="Comment">*/</span><span class="Constant">2</span><span class="Delimiter">);</span>
<span id="L75" class="LineNr"> 75 </span><span class="Comment">//: give 'resources' a fixed location in scenarios</span>
<span id="L76" class="LineNr"> 76 </span><span class="Delimiter">:(before "End Special Scenario Variable Names(r)")</span>
<span id="L77" class="LineNr"> 77 </span><span class="Special">Name</span>[r][<span class="Constant">"resources"</span>] = RESOURCES<span class="Delimiter">;</span>
<span id="L78" class="LineNr"> 78 </span><span class="Comment">//: make 'resources' always a raw location in scenarios</span>
<span id="L79" class="LineNr"> 79 </span><span class="Delimiter">:(before "End <a href='042name.cc.html#L172'>is_special_name</a> Special-cases")</span>
<span id="L80" class="LineNr"> 80 </span><span class="Normal">if</span> <span class="Delimiter">(</span>s == <span class="Constant">"resources"</span><span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Constant"> true</span><span class="Delimiter">;</span>
<span id="L81" class="LineNr"> 81 </span><span class="Delimiter">:(before "End Initialize Type Of Special Name In Scenario(r)")</span>
<span id="L82" class="LineNr"> 82 </span><span class="Normal">if</span> <span class="Delimiter">(</span>r<span class="Delimiter">.</span>name == <span class="Constant">"resources"</span><span class="Delimiter">)</span> r<span class="Delimiter">.</span>type = <a href='019type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span><span class="Constant">"address:resources"</span><span class="Delimiter">);</span>
<span id="L83" class="LineNr"> 83 </span>
<span id="L84" class="LineNr"> 84 </span><span class="Delimiter">:(before "End initialize_transform_rewrite_literal_string_to_text()")</span>
<span id="L85" class="LineNr"> 85 </span>recipes_taking_literal_strings<span class="Delimiter">.</span>insert<span class="Delimiter">(</span><span class="Constant">"assume-resources"</span><span class="Delimiter">);</span>
<span id="L86" class="LineNr"> 86 </span>
<span id="L87" class="LineNr"> 87 </span><span class="Comment">//: screen-should-contain is a regular instruction</span>
<span id="L88" class="LineNr"> 88 </span><span class="Delimiter">:(before "End Primitive Recipe Declarations")</span>
<span id="L89" class="LineNr"> 89 </span>ASSUME_RESOURCES<span class="Delimiter">,</span>
<span id="L90" class="LineNr"> 90 </span><span class="Delimiter">:(before "End Primitive Recipe Numbers")</span>
<span id="L91" class="LineNr"> 91 </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">"assume-resources"</span><span class="Delimiter">,</span> ASSUME_RESOURCES<span class="Delimiter">);</span>
<span id="L92" class="LineNr"> 92 </span><span class="Delimiter">:(before "End Primitive Recipe Checks")</span>
<span id="L93" class="LineNr"> 93 </span><span class="Normal">case</span> ASSUME_RESOURCES: <span class="Delimiter">{</span>
<span id="L94" class="LineNr"> 94 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L95" class="LineNr"> 95 </span><span class="Delimiter">}</span>
<span id="L96" class="LineNr"> 96 </span><span class="Delimiter">:(before "End Primitive Recipe Implementations")</span>
<span id="L97" class="LineNr"> 97 </span><span class="Normal">case</span> ASSUME_RESOURCES: <span class="Delimiter">{</span>
<span id="L98" class="LineNr"> 98 </span> assert<span class="Delimiter">(</span>scalar<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="L99" class="LineNr"> 99 </span> <a href='089scenario_filesystem.cc.html#L104'>assume_resources</a><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">0</span><span class="Delimiter">).</span>name<span class="Delimiter">,</span> <a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">());</span>
<span id="L100" class="LineNr">100 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L101" class="LineNr">101 </span><span class="Delimiter">}</span>
<span id="L102" class="LineNr">102 </span>
<span id="L103" class="LineNr">103 </span><span class="Delimiter">:(code)</span>
<span id="L104" class="LineNr">104 </span><span class="Normal">void</span> <a href='089scenario_filesystem.cc.html#L104'>assume_resources</a><span class="Delimiter">(</span><span class="Normal">const</span> string& data<span class="Delimiter">,</span> <span class="Normal">const</span> string& caller<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L105" class="LineNr">105 </span> map<string<span class="Delimiter">,</span> string> contents<span class="Delimiter">;</span>
<span id="L106" class="LineNr">106 </span> <a href='089scenario_filesystem.cc.html#L110'>parse_resources</a><span class="Delimiter">(</span>data<span class="Delimiter">,</span> contents<span class="Delimiter">,</span> caller<span class="Delimiter">);</span>
<span id="L107" class="LineNr">107 </span> <a href='089scenario_filesystem.cc.html#L205'>construct_resources_object</a><span class="Delimiter">(</span>contents<span class="Delimiter">);</span>
<span id="L108" class="LineNr">108 </span><span class="Delimiter">}</span>
<span id="L109" class="LineNr">109 </span>
<span id="L110" class="LineNr">110 </span><span class="Normal">void</span> <a href='089scenario_filesystem.cc.html#L110'>parse_resources</a><span class="Delimiter">(</span><span class="Normal">const</span> string& data<span class="Delimiter">,</span> map<string<span class="Delimiter">,</span> string>& out<span class="Delimiter">,</span> <span class="Normal">const</span> string& caller<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L111" class="LineNr">111 </span> istringstream in<span class="Delimiter">(</span>data<span class="Delimiter">);</span>
<span id="L112" class="LineNr">112 </span> in >> std::noskipws<span class="Delimiter">;</span>
<span id="L113" class="LineNr">113 </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="L114" class="LineNr">114 </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="L115" class="LineNr">115 </span> <a href='011load.cc.html#L211'>skip_whitespace_and_comments</a><span class="Delimiter">(</span>in<span class="Delimiter">);</span>
<span id="L116" class="LineNr">116 </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="L117" class="LineNr">117 </span> string filename = <a href='011load.cc.html#L169'>next_word</a><span class="Delimiter">(</span>in<span class="Delimiter">);</span>
<span id="L118" class="LineNr">118 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>filename<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
<span id="L119" class="LineNr">119 </span> assert<span class="Delimiter">(</span>!has_data<span class="Delimiter">(</span>in<span class="Delimiter">));</span>
<span id="L120" class="LineNr">120 </span> <a href='003trace.cc.html#L196'>raise</a> << <span class="Constant">"incomplete 'resources' block at <a href='003trace.cc.html#L225'>end</a> of file (0)\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L121" class="LineNr">121 </span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L122" class="LineNr">122 </span> <span class="Delimiter">}</span>
<span id="L123" class="LineNr">123 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>*filename<span class="Delimiter">.</span>begin<span class="Delimiter">()</span> != <span class="Constant">'['</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L124" class="LineNr">124 </span> <a href='003trace.cc.html#L196'>raise</a> << caller << <span class="Constant">": assume-resources: filename '"</span> << filename << <span class="Constant">"' must begin with a '['\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L125" class="LineNr">125 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L126" class="LineNr">126 </span> <span class="Delimiter">}</span>
<span id="L127" class="LineNr">127 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>*filename<span class="Delimiter">.</span>rbegin<span class="Delimiter">()</span> != <span class="Constant">']'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L128" class="LineNr">128 </span> <a href='003trace.cc.html#L196'>raise</a> << caller << <span class="Constant">": assume-resources: filename '"</span> << filename << <span class="Constant">"' must <a href='003trace.cc.html#L225'>end</a> with a ']'\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L129" class="LineNr">129 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L130" class="LineNr">130 </span> <span class="Delimiter">}</span>
<span id="L131" class="LineNr">131 </span> filename<span class="Delimiter">.</span>erase<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
<span id="L132" class="LineNr">132 </span> filename<span class="Delimiter">.</span>erase<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>filename<span class="Delimiter">)</span>-<span class="Constant">1</span><span class="Delimiter">);</span>
<span id="L133" class="LineNr">133 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!has_data<span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L134" class="LineNr">134 </span> <a href='003trace.cc.html#L196'>raise</a> << caller << <span class="Constant">": assume-resources: no data for filename '"</span> << filename << <span class="Constant">"'\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L135" class="LineNr">135 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L136" class="LineNr">136 </span> <span class="Delimiter">}</span>
<span id="L137" class="LineNr">137 </span> string arrow = <a href='011load.cc.html#L169'>next_word</a><span class="Delimiter">(</span>in<span class="Delimiter">);</span>
<span id="L138" class="LineNr">138 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>arrow<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
<span id="L139" class="LineNr">139 </span> assert<span class="Delimiter">(</span>!has_data<span class="Delimiter">(</span>in<span class="Delimiter">));</span>
<span id="L140" class="LineNr">140 </span> <a href='003trace.cc.html#L196'>raise</a> << <span class="Constant">"incomplete 'resources' block at <a href='003trace.cc.html#L225'>end</a> of file (1)\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L141" class="LineNr">141 </span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L142" class="LineNr">142 </span> <span class="Delimiter">}</span>
<span id="L143" class="LineNr">143 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>arrow != <span class="Constant">"<-"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L144" class="LineNr">144 </span> <a href='003trace.cc.html#L196'>raise</a> << caller << <span class="Constant">": assume-resources: expected '<-' after filename '"</span> << filename << <span class="Constant">"' but got '"</span> << arrow << <span class="Constant">"'\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L145" class="LineNr">145 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L146" class="LineNr">146 </span> <span class="Delimiter">}</span>
<span id="L147" class="LineNr">147 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!has_data<span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L148" class="LineNr">148 </span> <a href='003trace.cc.html#L196'>raise</a> << caller << <span class="Constant">": assume-resources: no data for filename '"</span> << filename << <span class="Constant">"' after '<-'\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L149" class="LineNr">149 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L150" class="LineNr">150 </span> <span class="Delimiter">}</span>
<span id="L151" class="LineNr">151 </span> string contents = <a href='011load.cc.html#L169'>next_word</a><span class="Delimiter">(</span>in<span class="Delimiter">);</span>
<span id="L152" class="LineNr">152 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>contents<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
<span id="L153" class="LineNr">153 </span> assert<span class="Delimiter">(</span>!has_data<span class="Delimiter">(</span>in<span class="Delimiter">));</span>
<span id="L154" class="LineNr">154 </span> <a href='003trace.cc.html#L196'>raise</a> << <span class="Constant">"incomplete 'resources' block at <a href='003trace.cc.html#L225'>end</a> of file (2)\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L155" class="LineNr">155 </span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L156" class="LineNr">156 </span> <span class="Delimiter">}</span>
<span id="L157" class="LineNr">157 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>*contents<span class="Delimiter">.</span>begin<span class="Delimiter">()</span> != <span class="Constant">'['</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L158" class="LineNr">158 </span> <a href='003trace.cc.html#L196'>raise</a> << caller << <span class="Constant">": assume-resources: file contents '"</span> << contents << <span class="Constant">"' for filename '"</span> << filename << <span class="Constant">"' must begin with a '['\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L159" class="LineNr">159 </span> <span class="Identifier">break</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>*contents<span class="Delimiter">.</span>rbegin<span class="Delimiter">()</span> != <span class="Constant">']'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L162" class="LineNr">162 </span> <a href='003trace.cc.html#L196'>raise</a> << caller << <span class="Constant">": assume-resources: file contents '"</span> << contents << <span class="Constant">"' for filename '"</span> << filename << <span class="Constant">"' must <a href='003trace.cc.html#L225'>end</a> with a ']'\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L163" class="LineNr">163 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L164" class="LineNr">164 </span> <span class="Delimiter">}</span>
<span id="L165" class="LineNr">165 </span> contents<span class="Delimiter">.</span>erase<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
<span id="L166" class="LineNr">166 </span> contents<span class="Delimiter">.</span>erase<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>contents<span class="Delimiter">)</span>-<span class="Constant">1</span><span class="Delimiter">);</span>
<span id="L167" class="LineNr">167 </span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>out<span class="Delimiter">,</span> filename<span class="Delimiter">,</span> <a href='089scenario_filesystem.cc.html#L171'>munge_resources_contents</a><span class="Delimiter">(</span>contents<span class="Delimiter">,</span> filename<span class="Delimiter">,</span> caller<span class="Delimiter">));</span>
<span id="L168" class="LineNr">168 </span> <span class="Delimiter">}</span>
<span id="L169" class="LineNr">169 </span><span class="Delimiter">}</span>
<span id="L170" class="LineNr">170 </span>
<span id="L171" class="LineNr">171 </span>string <a href='089scenario_filesystem.cc.html#L171'>munge_resources_contents</a><span class="Delimiter">(</span><span class="Normal">const</span> string& data<span class="Delimiter">,</span> <span class="Normal">const</span> string& filename<span class="Delimiter">,</span> <span class="Normal">const</span> string& caller<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L172" class="LineNr">172 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>data<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span> <span class="Constant">""</span><span class="Delimiter">;</span>
<span id="L173" class="LineNr">173 </span> istringstream in<span class="Delimiter">(</span>data<span class="Delimiter">);</span>
<span id="L174" class="LineNr">174 </span> in >> std::noskipws<span class="Delimiter">;</span>
<span id="L175" class="LineNr">175 </span> <a href='011load.cc.html#L211'>skip_whitespace_and_comments</a><span class="Delimiter">(</span>in<span class="Delimiter">);</span>
<span id="L176" class="LineNr">176 </span> ostringstream out<span class="Delimiter">;</span>
<span id="L177" class="LineNr">177 </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="L178" class="LineNr">178 </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="L179" class="LineNr">179 </span> <a href='038new_text.cc.html#L229'>skip_whitespace</a><span class="Delimiter">(</span>in<span class="Delimiter">);</span>
<span id="L180" class="LineNr">180 </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="L181" class="LineNr">181 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> != <span class="Constant">'|'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L182" class="LineNr">182 </span> <a href='003trace.cc.html#L196'>raise</a> << caller << <span class="Constant">": assume-resources: file contents for filename '"</span> << filename << <span class="Constant">"' must be delimited in '|'s\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L183" class="LineNr">183 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L184" class="LineNr">184 </span> <span class="Delimiter">}</span>
<span id="L185" class="LineNr">185 </span> in<span class="Delimiter">.</span>get<span class="Delimiter">();</span> <span class="Comment">// skip leading '|'</span>
<span id="L186" class="LineNr">186 </span> string line<span class="Delimiter">;</span>
<span id="L187" class="LineNr">187 </span> getline<span class="Delimiter">(</span>in<span class="Delimiter">,</span> line<span class="Delimiter">);</span>
<span id="L188" class="LineNr">188 </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>line<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L189" class="LineNr">189 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>line<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)</span> == <span class="Constant">'|'</span><span class="Delimiter">)</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L190" class="LineNr">190 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>line<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)</span> == <span class="cSpecial">'\\'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L191" class="LineNr">191 </span> ++i<span class="Delimiter">;</span> <span class="Comment">// skip</span>
<span id="L192" class="LineNr">192 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>i == <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>line<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L193" class="LineNr">193 </span> <a href='003trace.cc.html#L196'>raise</a> << caller << <span class="Constant">": assume-resources: file contents can't end a line with '\\'\n"</span> << end<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 class="Delimiter">}</span>
<span id="L197" class="LineNr">197 </span> out << line<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span id="L198" class="LineNr">198 </span> <span class="Delimiter">}</span>
<span id="L199" class="LineNr">199 </span> <span class="Comment">// todo: some way to represent a file without a final newline</span>
<span id="L200" class="LineNr">200 </span> out << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
<span id="L201" class="LineNr">201 </span> <span class="Delimiter">}</span>
<span id="L202" class="LineNr">202 </span> <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
<span id="L203" class="LineNr">203 </span><span class="Delimiter">}</span>
<span id="L204" class="LineNr">204 </span>
<span id="L205" class="LineNr">205 </span><span class="Normal">void</span> <a href='089scenario_filesystem.cc.html#L205'>construct_resources_object</a><span class="Delimiter">(</span><span class="Normal">const</span> map<string<span class="Delimiter">,</span> string>& contents<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L206" class="LineNr">206 </span> <span class="Normal">int</span> resources_data_address = allocate<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>contents<span class="Delimiter">)</span> * <span class="Comment">/*</span><span class="Comment">size of resource</span><span class="Comment">*/</span><span class="Constant">4</span> + <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="L207" class="LineNr">207 </span> <span class="Normal">int</span> curr = resources_data_address + <span class="Comment">/*</span><span class="Comment">skip alloc id</span><span class="Comment">*/</span><span class="Constant">1</span> + <span class="Comment">/*</span><span class="Comment">skip array length</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>
<span id="L208" class="LineNr">208 </span> <span class="Normal">for</span> <span class="Delimiter">(</span>map<string<span class="Delimiter">,</span> string>::const_iterator p = contents<span class="Delimiter">.</span>begin<span class="Delimiter">();</span> p != contents<span class="Delimiter">.</span><a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span> ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L209" class="LineNr">209 </span> ++curr<span class="Delimiter">;</span> <span class="Comment">// skip alloc id of resource.name</span>
<span id="L210" class="LineNr">210 </span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Memory</span><span class="Delimiter">,</span> curr<span class="Delimiter">,</span> <a href='038new_text.cc.html#L39'>new_mu_text</a><span class="Delimiter">(</span>p<span class="Delimiter">-></span>first<span class="Delimiter">));</span>
<span id="L211" class="LineNr">211 </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 file name "</span> << get<span class="Delimiter">(</span><span class="Special">Memory</span><span class="Delimiter">,</span> curr<span class="Delimiter">)</span> << <span class="Constant">" in location "</span> << curr << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L212" class="LineNr">212 </span> ++curr<span class="Delimiter">;</span>
<span id="L213" class="LineNr">213 </span> ++curr<span class="Delimiter">;</span> <span class="Comment">// skip alloc id of resource.contents</span>
<span id="L214" class="LineNr">214 </span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Memory</span><span class="Delimiter">,</span> curr<span class="Delimiter">,</span> <a href='038new_text.cc.html#L39'>new_mu_text</a><span class="Delimiter">(</span>p<span class="Delimiter">-></span>second<span class="Delimiter">));</span>
<span id="L215" class="LineNr">215 </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 file contents "</span> << get<span class="Delimiter">(</span><span class="Special">Memory</span><span class="Delimiter">,</span> curr<span class="Delimiter">)</span> << <span class="Constant">" in location "</span> << curr << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L216" class="LineNr">216 </span> ++curr<span class="Delimiter">;</span>
<span id="L217" class="LineNr">217 </span> <span class="Delimiter">}</span>
<span id="L218" class="LineNr">218 </span> curr = resources_data_address + <span class="Comment">/*</span><span class="Comment">skip alloc id of resources.data</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>
<span id="L219" class="LineNr">219 </span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Memory</span><span class="Delimiter">,</span> curr<span class="Delimiter">,</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>contents<span class="Delimiter">));</span> <span class="Comment">// array length</span>
<span id="L220" class="LineNr">220 </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 resources size "</span> << get<span class="Delimiter">(</span><span class="Special">Memory</span><span class="Delimiter">,</span> curr<span class="Delimiter">)</span> << <span class="Constant">" in location "</span> << curr << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L221" class="LineNr">221 </span> <span class="Comment">// wrap the resources data in a 'resources' object</span>
<span id="L222" class="LineNr">222 </span> <span class="Normal">int</span> resources_address = allocate<span class="Delimiter">(</span><a href='089scenario_filesystem.cc.html#L231'>size_of_resources</a><span class="Delimiter">());</span>
<span id="L223" class="LineNr">223 </span> curr = resources_address+<span class="Comment">/*</span><span class="Comment">alloc id</span><span class="Comment">*/</span><span class="Constant">1</span>+<span class="Comment">/*</span><span class="Comment">offset of 'data' element</span><span class="Comment">*/</span><span class="Constant">1</span>+<span class="Comment">/*</span><span class="Comment">skip alloc id of 'data' element</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>
<span id="L224" class="LineNr">224 </span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Memory</span><span class="Delimiter">,</span> curr<span class="Delimiter">,</span> resources_data_address<span class="Delimiter">);</span>
<span id="L225" class="LineNr">225 </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 resources data <a href='043space.cc.html#L101'>address</a> "</span> << resources_data_address << <span class="Constant">" in location "</span> << curr << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L226" class="LineNr">226 </span> <span class="Comment">// save in product</span>
<span id="L227" class="LineNr">227 </span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Memory</span><span class="Delimiter">,</span> RESOURCES+<span class="Comment">/*</span><span class="Comment">skip alloc id</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">,</span> resources_address<span class="Delimiter">);</span>
<span id="L228" class="LineNr">228 </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 resources <a href='043space.cc.html#L101'>address</a> "</span> << resources_address << <span class="Constant">" in location "</span> << RESOURCES << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L229" class="LineNr">229 </span><span class="Delimiter">}</span>
<span id="L230" class="LineNr">230 </span>
<span id="L231" class="LineNr">231 </span><span class="Normal">int</span> <a href='089scenario_filesystem.cc.html#L231'>size_of_resources</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L232" class="LineNr">232 </span> <span class="Comment">// memoize result if already computed</span>
<span id="L233" class="LineNr">233 </span> <span class="Normal">static</span> <span class="Normal">int</span> result = <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L234" class="LineNr">234 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>result<span class="Delimiter">)</span> <span class="Identifier">return</span> result<span class="Delimiter">;</span>
<span id="L235" class="LineNr">235 </span> assert<span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Type_ordinal</span><span class="Delimiter">,</span> <span class="Constant">"resources"</span><span class="Delimiter">));</span>
<span id="L236" class="LineNr">236 </span> type_tree* type = <span class="Normal">new</span> type_tree<span class="Delimiter">(</span><span class="Constant">"resources"</span><span class="Delimiter">);</span>
<span id="L237" class="LineNr">237 </span> result = size_of<span class="Delimiter">(</span>type<span class="Delimiter">);</span>
<span id="L238" class="LineNr">238 </span> <span class="Normal">delete</span> type<span class="Delimiter">;</span>
<span id="L239" class="LineNr">239 </span> <span class="Identifier">return</span> result<span class="Delimiter">;</span>
<span id="L240" class="LineNr">240 </span><span class="Delimiter">}</span>
</pre>
</body>
</html>
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