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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<title>Printing Template</title>
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<link href="../docs-assets/Breadcrumbs.css" rel="stylesheet" rev="stylesheet" type="text/css">
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<main role="main">
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<!--Weave of 'Printing Template' generated by Inweb-->
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<div class="breadcrumbs">
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<ul class="crumbs"><li><a href="../index.html">Home</a></li><li><a href="../extensions.html">Kits</a></li><li><a href="index.html">BasicInformKit</a></li><li><b>Printing Template</b></li></ul></div>
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<p class="purpose">To handle the printing of names of objects.</p>
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<ul class="toc"><li><a href="S-prn.html#SP1">§1. Short Name Storage</a></li><li><a href="S-prn.html#SP2">§2. Object Names I</a></li><li><a href="S-prn.html#SP3">§3. Standard Name Printing Rule</a></li><li><a href="S-prn.html#SP4">§4. Object Names II</a></li><li><a href="S-prn.html#SP5">§5. Object Names III</a></li><li><a href="S-prn.html#SP6">§6. Printing in number bases</a></li><li><a href="S-prn.html#SP8">§8. Miscellaneous</a></li></ul><hr class="tocbar">
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<p class="commentary firstcommentary"><a id="SP1" class="paragraph-anchor"></a><b>§1. Short Name Storage. </b>None of the following functions should be called for the Z-machine if the
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short name exceeds the size of the following buffer: whereas the Glulx
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implementation of <span class="extract"><span class="extract-syntax">VM_PrintToBuffer</span></span> will safely truncate overlong text,
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that's impossible for the Z-machine, and horrible results will follow.
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</p>
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<p class="commentary"><span class="extract"><span class="extract-syntax">CPrintOrRun</span></span> is a variation on <span class="extract"><span class="extract-syntax">PrintOrRun</span></span>, simplified by not needing
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to handle entire paragraphs (so, no fuss about dividing) but complicated
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by having to capitalise the first letter. We do this by writing to the
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buffer and then altering the first character.
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</p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="reserved-syntax">Constant</span><span class="plain-syntax"> </span><span class="identifier-syntax">SHORT_NAME_BUFFER_LEN</span><span class="plain-syntax"> = </span><span class="constant-syntax">160</span><span class="plain-syntax">;</span>
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<span class="plain-syntax">#</span><span class="identifier-syntax">Iftrue</span><span class="plain-syntax"> </span><span class="identifier-syntax">CHARSIZE</span><span class="plain-syntax"> == </span><span class="constant-syntax">1</span><span class="plain-syntax">;</span>
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<span class="comment-syntax">Allow a generous overrun</span>
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<span class="reserved-syntax">Array</span><span class="plain-syntax"> </span><span class="identifier-syntax">StorageForShortName</span><span class="plain-syntax"> </span><span class="identifier-syntax">buffer</span><span class="plain-syntax"> </span><span class="identifier-syntax">SHORT_NAME_BUFFER_LEN</span><span class="plain-syntax">+90;</span>
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<span class="plain-syntax">#</span><span class="identifier-syntax">Ifnot</span><span class="plain-syntax">;</span>
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<span class="reserved-syntax">Array</span><span class="plain-syntax"> </span><span class="identifier-syntax">StorageForShortName</span><span class="plain-syntax"> --> </span><span class="identifier-syntax">SHORT_NAME_BUFFER_LEN</span><span class="plain-syntax">;</span>
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<span class="plain-syntax">#</span><span class="identifier-syntax">Endif</span><span class="plain-syntax">;</span>
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<span class="plain-syntax">[ </span><span class="identifier-syntax">CPrintOrRun</span><span class="plain-syntax"> </span><span class="identifier-syntax">obj</span><span class="plain-syntax"> </span><span class="identifier-syntax">prop</span><span class="plain-syntax"> </span><span class="identifier-syntax">v</span><span class="plain-syntax"> </span><span class="identifier-syntax">length</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">obj</span><span class="plain-syntax"> </span><span class="reserved-syntax">ofclass</span><span class="plain-syntax"> </span><span class="identifier-syntax">String</span><span class="plain-syntax"> </span><span class="reserved-syntax">or</span><span class="plain-syntax"> </span><span class="identifier-syntax">Routine</span><span class="plain-syntax">) || (</span><span class="identifier-syntax">prop</span><span class="plain-syntax"> == </span><span class="constant-syntax">0</span><span class="plain-syntax">)) {</span>
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<span class="plain-syntax"> #</span><span class="identifier-syntax">Ifdef</span><span class="plain-syntax"> </span><span class="identifier-syntax">TARGET_ZCODE</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">length</span><span class="plain-syntax"> = </span><span class="identifier-syntax">VM_PrintToBuffer</span><span class="plain-syntax"> (</span><span class="identifier-syntax">StorageForShortName</span><span class="plain-syntax">, </span><span class="identifier-syntax">SHORT_NAME_BUFFER_LEN</span><span class="plain-syntax">, </span><span class="identifier-syntax">obj</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> #</span><span class="identifier-syntax">Ifnot</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">length</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Glulx_PrintAnyToArrayUni</span><span class="plain-syntax">(</span><span class="identifier-syntax">StorageForShortName</span><span class="plain-syntax">, </span><span class="identifier-syntax">SHORT_NAME_BUFFER_LEN</span><span class="plain-syntax">, </span><span class="identifier-syntax">obj</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> #</span><span class="identifier-syntax">Endif</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> }</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">obj</span><span class="plain-syntax">.</span><span class="identifier-syntax">prop</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="reserved-syntax">rfalse</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="reserved-syntax">metaclass</span><span class="plain-syntax">(</span><span class="identifier-syntax">obj</span><span class="plain-syntax">.</span><span class="identifier-syntax">prop</span><span class="plain-syntax">) == </span><span class="identifier-syntax">Routine</span><span class="plain-syntax"> </span><span class="reserved-syntax">or</span><span class="plain-syntax"> </span><span class="identifier-syntax">String</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> #</span><span class="identifier-syntax">Ifdef</span><span class="plain-syntax"> </span><span class="identifier-syntax">TARGET_ZCODE</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">length</span><span class="plain-syntax"> = </span><span class="identifier-syntax">VM_PrintToBuffer</span><span class="plain-syntax">(</span><span class="identifier-syntax">StorageForShortName</span><span class="plain-syntax">, </span><span class="identifier-syntax">SHORT_NAME_BUFFER_LEN</span><span class="plain-syntax">, </span><span class="identifier-syntax">obj</span><span class="plain-syntax">, </span><span class="identifier-syntax">prop</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> #</span><span class="identifier-syntax">Ifnot</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">length</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Glulx_PrintAnyToArrayUni</span><span class="plain-syntax">(</span><span class="identifier-syntax">StorageForShortName</span><span class="plain-syntax">, </span><span class="identifier-syntax">SHORT_NAME_BUFFER_LEN</span><span class="plain-syntax">, </span><span class="identifier-syntax">obj</span><span class="plain-syntax">.</span><span class="identifier-syntax">prop</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> #</span><span class="identifier-syntax">Endif</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> }</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">RunTimeError</span><span class="plain-syntax">(2, </span><span class="identifier-syntax">obj</span><span class="plain-syntax">, </span><span class="identifier-syntax">prop</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> }</span>
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<span class="plain-syntax"> }</span>
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<span class="plain-syntax"> #</span><span class="identifier-syntax">Ifdef</span><span class="plain-syntax"> </span><span class="identifier-syntax">TARGET_ZCODE</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">StorageForShortName</span><span class="plain-syntax">-></span><span class="identifier-syntax">WORDSIZE</span><span class="plain-syntax"> = </span><span class="identifier-syntax">VM_LowerToUpperCase</span><span class="plain-syntax">(</span><span class="identifier-syntax">StorageForShortName</span><span class="plain-syntax">-></span><span class="identifier-syntax">WORDSIZE</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">for</span><span class="plain-syntax"> (</span><span class="identifier-syntax">i</span><span class="plain-syntax">=</span><span class="identifier-syntax">WORDSIZE</span><span class="plain-syntax">: </span><span class="identifier-syntax">i</span><span class="plain-syntax"><</span><span class="identifier-syntax">length</span><span class="plain-syntax">+</span><span class="identifier-syntax">WORDSIZE</span><span class="plain-syntax">: </span><span class="identifier-syntax">i</span><span class="plain-syntax">++) </span><span class="reserved-syntax">print</span><span class="plain-syntax"> (</span><span class="identifier-syntax">char</span><span class="plain-syntax">) </span><span class="identifier-syntax">StorageForShortName</span><span class="plain-syntax">-></span><span class="identifier-syntax">i</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> #</span><span class="identifier-syntax">Ifnot</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">length</span><span class="plain-syntax"> > </span><span class="identifier-syntax">SHORT_NAME_BUFFER_LEN</span><span class="plain-syntax">) </span><span class="identifier-syntax">length</span><span class="plain-syntax"> = </span><span class="identifier-syntax">SHORT_NAME_BUFFER_LEN</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">length</span><span class="plain-syntax">)</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">StorageForShortName</span><span class="plain-syntax">-->0 = </span><span class="identifier-syntax">VM_LowerToUpperCase</span><span class="plain-syntax">(</span><span class="identifier-syntax">StorageForShortName</span><span class="plain-syntax">-->0);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">glk_put_buffer_uni</span><span class="plain-syntax">(</span><span class="identifier-syntax">StorageForShortName</span><span class="plain-syntax">, </span><span class="identifier-syntax">length</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> #</span><span class="identifier-syntax">Endif</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">length</span><span class="plain-syntax">) </span><span class="identifier-syntax">say__p</span><span class="plain-syntax"> = </span><span class="constant-syntax">1</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax">;</span>
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<span class="plain-syntax">];</span>
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<span class="plain-syntax">[ </span><span class="identifier-syntax">Cap</span><span class="plain-syntax"> </span><span class="identifier-syntax">str</span><span class="plain-syntax"> </span><span class="identifier-syntax">nocaps</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">nocaps</span><span class="plain-syntax">) </span><span class="reserved-syntax">print</span><span class="plain-syntax"> (</span><span class="reserved-syntax">string</span><span class="plain-syntax">) </span><span class="identifier-syntax">str</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="identifier-syntax">CPrintOrRun</span><span class="plain-syntax">(</span><span class="identifier-syntax">str</span><span class="plain-syntax">, </span><span class="constant-syntax">0</span><span class="plain-syntax">);</span>
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<span class="plain-syntax">];</span>
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</pre>
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<p class="commentary firstcommentary"><a id="SP2" class="paragraph-anchor"></a><b>§2. Object Names I. </b>We now begin the work of printing object names. In the lowest level of this
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process we print just the name itself (without articles attached), and we
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do it by carrying out an activity.
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</p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="plain-syntax">[ </span><span class="identifier-syntax">PSN__</span><span class="plain-syntax"> </span><span class="identifier-syntax">o</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">o</span><span class="plain-syntax"> == </span><span class="constant-syntax">0</span><span class="plain-syntax">) { </span><span class="identifier-syntax">LW_Response</span><span class="plain-syntax">(</span><span class="character-syntax">'Y'</span><span class="plain-syntax">); </span><span class="reserved-syntax">rtrue</span><span class="plain-syntax">; }</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">switch</span><span class="plain-syntax"> (</span><span class="reserved-syntax">metaclass</span><span class="plain-syntax">(</span><span class="identifier-syntax">o</span><span class="plain-syntax">)) {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">Routine</span><span class="plain-syntax">: </span><span class="reserved-syntax">print</span><span class="plain-syntax"> </span><span class="string-syntax">"<routine "</span><span class="plain-syntax">, </span><span class="identifier-syntax">o</span><span class="plain-syntax">, </span><span class="string-syntax">">"</span><span class="plain-syntax">; </span><span class="reserved-syntax">rtrue</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">String</span><span class="plain-syntax">: </span><span class="reserved-syntax">print</span><span class="plain-syntax"> </span><span class="string-syntax">"<string ~"</span><span class="plain-syntax">, (</span><span class="reserved-syntax">string</span><span class="plain-syntax">) </span><span class="identifier-syntax">o</span><span class="plain-syntax">, </span><span class="string-syntax">"~>"</span><span class="plain-syntax">; </span><span class="reserved-syntax">rtrue</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">nothing</span><span class="plain-syntax">: </span><span class="reserved-syntax">print</span><span class="plain-syntax"> </span><span class="string-syntax">"<illegal object number "</span><span class="plain-syntax">, </span><span class="identifier-syntax">o</span><span class="plain-syntax">, </span><span class="string-syntax">">"</span><span class="plain-syntax">; </span><span class="reserved-syntax">rtrue</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> }</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">RegardingSingleObject</span><span class="plain-syntax">(</span><span class="identifier-syntax">o</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">CarryOutActivity</span><span class="plain-syntax">(</span><span class="identifier-syntax">PRINTING_THE_NAME_ACT</span><span class="plain-syntax">, </span><span class="identifier-syntax">o</span><span class="plain-syntax">);</span>
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<span class="plain-syntax">];</span>
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<span class="plain-syntax">[ </span><span class="identifier-syntax">PrintShortName</span><span class="plain-syntax"> </span><span class="identifier-syntax">obj</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax"> = </span><span class="identifier-syntax">indef_mode</span><span class="plain-syntax">; </span><span class="identifier-syntax">indef_mode</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">PSN__</span><span class="plain-syntax">(</span><span class="identifier-syntax">obj</span><span class="plain-syntax">); </span><span class="identifier-syntax">indef_mode</span><span class="plain-syntax"> = </span><span class="identifier-syntax">i</span><span class="plain-syntax">;</span>
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<span class="plain-syntax">];</span>
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</pre>
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<p class="commentary firstcommentary"><a id="SP3" class="paragraph-anchor"></a><b>§3. Standard Name Printing Rule. </b>In its initial state, the "printing the name of" activity has just one rule:
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the following "for" rule.
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</p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="identifier-syntax">Global</span><span class="plain-syntax"> </span><span class="identifier-syntax">caps_mode</span><span class="plain-syntax"> = </span><span class="reserved-syntax">false</span><span class="plain-syntax">;</span>
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<span class="plain-syntax">[ </span><span class="identifier-syntax">STANDARD_NAME_PRINTING_R</span><span class="plain-syntax"> </span><span class="identifier-syntax">obj</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">obj</span><span class="plain-syntax"> = </span><span class="identifier-syntax">parameter_value</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">obj</span><span class="plain-syntax"> == </span><span class="constant-syntax">0</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">LW_Response</span><span class="plain-syntax">(</span><span class="character-syntax">'Y'</span><span class="plain-syntax">); </span><span class="reserved-syntax">return</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> }</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">switch</span><span class="plain-syntax"> (</span><span class="reserved-syntax">metaclass</span><span class="plain-syntax">(</span><span class="identifier-syntax">obj</span><span class="plain-syntax">)) {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">Routine</span><span class="plain-syntax">: </span><span class="reserved-syntax">print</span><span class="plain-syntax"> </span><span class="string-syntax">"<routine "</span><span class="plain-syntax">, </span><span class="identifier-syntax">obj</span><span class="plain-syntax">, </span><span class="string-syntax">">"</span><span class="plain-syntax">; </span><span class="reserved-syntax">return</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">String</span><span class="plain-syntax">: </span><span class="reserved-syntax">print</span><span class="plain-syntax"> </span><span class="string-syntax">"<string ~"</span><span class="plain-syntax">, (</span><span class="reserved-syntax">string</span><span class="plain-syntax">) </span><span class="identifier-syntax">obj</span><span class="plain-syntax">, </span><span class="string-syntax">"~>"</span><span class="plain-syntax">; </span><span class="reserved-syntax">return</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">nothing</span><span class="plain-syntax">: </span><span class="reserved-syntax">print</span><span class="plain-syntax"> </span><span class="string-syntax">"<illegal object number "</span><span class="plain-syntax">, </span><span class="identifier-syntax">obj</span><span class="plain-syntax">, </span><span class="string-syntax">">"</span><span class="plain-syntax">; </span><span class="reserved-syntax">return</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">obj</span><span class="plain-syntax"> == </span><span class="identifier-syntax">player</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">PRINT_PROTAGONIST_INTERNAL_R</span><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">LanguagePrintShortName</span><span class="plain-syntax">(</span><span class="identifier-syntax">obj</span><span class="plain-syntax">)) </span><span class="reserved-syntax">return</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">indef_mode</span><span class="plain-syntax"> && </span><span class="identifier-syntax">obj</span><span class="plain-syntax"> </span><span class="reserved-syntax">provides</span><span class="plain-syntax"> </span><span class="identifier-syntax">short_name_indef</span><span class="plain-syntax"> &&</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">PrintOrRun</span><span class="plain-syntax">(</span><span class="identifier-syntax">obj</span><span class="plain-syntax">, </span><span class="identifier-syntax">short_name_indef</span><span class="plain-syntax">, </span><span class="reserved-syntax">true</span><span class="plain-syntax">) ~= </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">caps_mode</span><span class="plain-syntax"> &&</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">obj</span><span class="plain-syntax"> </span><span class="reserved-syntax">provides</span><span class="plain-syntax"> </span><span class="identifier-syntax">cap_short_name</span><span class="plain-syntax"> && </span><span class="identifier-syntax">PrintOrRun</span><span class="plain-syntax">(</span><span class="identifier-syntax">obj</span><span class="plain-syntax">, </span><span class="identifier-syntax">cap_short_name</span><span class="plain-syntax">, </span><span class="reserved-syntax">true</span><span class="plain-syntax">) ~= </span><span class="constant-syntax">0</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">caps_mode</span><span class="plain-syntax"> = </span><span class="reserved-syntax">false</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">obj</span><span class="plain-syntax"> </span><span class="reserved-syntax">provides</span><span class="plain-syntax"> </span><span class="identifier-syntax">short_name</span><span class="plain-syntax"> && </span><span class="identifier-syntax">PrintOrRun</span><span class="plain-syntax">(</span><span class="identifier-syntax">obj</span><span class="plain-syntax">, </span><span class="identifier-syntax">short_name</span><span class="plain-syntax">, </span><span class="reserved-syntax">true</span><span class="plain-syntax">) ~= </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">print</span><span class="plain-syntax"> (</span><span class="identifier-syntax">object</span><span class="plain-syntax">) </span><span class="identifier-syntax">obj</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">];</span>
|
|
|
|
<span class="plain-syntax">[ </span><span class="identifier-syntax">STANDARD_PLURAL_NAME_PRINTING_R</span><span class="plain-syntax"> </span><span class="identifier-syntax">obj</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">obj</span><span class="plain-syntax"> = </span><span class="identifier-syntax">parameter_value</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">PrintOrRun</span><span class="plain-syntax">(</span><span class="identifier-syntax">obj</span><span class="plain-syntax">, </span><span class="identifier-syntax">plural</span><span class="plain-syntax">, </span><span class="reserved-syntax">true</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax">];</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP4" class="paragraph-anchor"></a><b>§4. Object Names II. </b>The second level of the system for printing object names handles the placing
|
|
of articles in front of them: {\it the} red herring, {\it an} elephant,
|
|
{\it Some} bread. The following routine allows us to choose:
|
|
</p>
|
|
|
|
<ul class="items"><li>(a) <span class="extract"><span class="extract-syntax">obj</span></span>, the object whose name is to be printed;
|
|
</li><li>(b) <span class="extract"><span class="extract-syntax">acode</span></span>, the kind of article needed: capitalised definite (0), lower case
|
|
uncapitalised definite (1), or uncapitalised indefinite (2);
|
|
</li><li>(c) <span class="extract"><span class="extract-syntax">pluralise</span></span>, a flag forcing to a plural form (e.g., "some" being the
|
|
pluralised form of an indefinite article in English);
|
|
</li><li>(d) <span class="extract"><span class="extract-syntax">capitalise</span></span>, a flag forcing us to capitalise the article — it's by
|
|
setting this that we can achieve the fourth option missing from (b), viz.,
|
|
capitalised indefinite. (All of this is a legacy design from a time when
|
|
the I6 library did not support capitalised indefinite articles.)
|
|
</li></ul>
|
|
<p class="commentary">The routine then looks after issues such as which contraction form to
|
|
use: for instance, in English, whether to use "a" or "an" for the
|
|
indefinite singular depends on the text of the object's name.
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="identifier-syntax">Global</span><span class="plain-syntax"> </span><span class="identifier-syntax">short_name_case</span><span class="plain-syntax">;</span>
|
|
|
|
<span class="plain-syntax">[ </span><span class="identifier-syntax">PrefaceByArticle</span><span class="plain-syntax"> </span><span class="identifier-syntax">obj</span><span class="plain-syntax"> </span><span class="identifier-syntax">acode</span><span class="plain-syntax"> </span><span class="identifier-syntax">pluralise</span><span class="plain-syntax"> </span><span class="identifier-syntax">capitalise</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax"> </span><span class="identifier-syntax">artform</span><span class="plain-syntax"> </span><span class="identifier-syntax">findout</span><span class="plain-syntax"> </span><span class="identifier-syntax">artval</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">obj</span><span class="plain-syntax"> </span><span class="reserved-syntax">provides</span><span class="plain-syntax"> </span><span class="identifier-syntax">articles</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">artval</span><span class="plain-syntax">=(</span><span class="identifier-syntax">obj</span><span class="plain-syntax">.&</span><span class="identifier-syntax">articles</span><span class="plain-syntax">)-->(</span><span class="identifier-syntax">acode</span><span class="plain-syntax">+</span><span class="identifier-syntax">short_name_case</span><span class="plain-syntax">*</span><span class="identifier-syntax">LanguageCases</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">capitalise</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">print</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Cap</span><span class="plain-syntax">) </span><span class="identifier-syntax">artval</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">print</span><span class="plain-syntax"> (</span><span class="reserved-syntax">string</span><span class="plain-syntax">) </span><span class="identifier-syntax">artval</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">pluralise</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">print</span><span class="plain-syntax"> (</span><span class="identifier-syntax">PSN__</span><span class="plain-syntax">) </span><span class="identifier-syntax">obj</span><span class="plain-syntax">; </span><span class="reserved-syntax">return</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax"> = </span><span class="identifier-syntax">GetGNAOfObject</span><span class="plain-syntax">(</span><span class="identifier-syntax">obj</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">pluralise</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">i</span><span class="plain-syntax"> < </span><span class="constant-syntax">3</span><span class="plain-syntax"> || (</span><span class="identifier-syntax">i</span><span class="plain-syntax"> >= </span><span class="constant-syntax">6</span><span class="plain-syntax"> && </span><span class="identifier-syntax">i</span><span class="plain-syntax"> < </span><span class="constant-syntax">9</span><span class="plain-syntax">)) </span><span class="identifier-syntax">i</span><span class="plain-syntax"> = </span><span class="identifier-syntax">i</span><span class="plain-syntax"> + </span><span class="constant-syntax">3</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax"> = </span><span class="identifier-syntax">LanguageGNAsToArticles</span><span class="plain-syntax">--></span><span class="identifier-syntax">i</span><span class="plain-syntax">;</span>
|
|
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">artform</span><span class="plain-syntax"> = </span><span class="identifier-syntax">LanguageArticles</span>
|
|
<span class="plain-syntax"> + </span><span class="constant-syntax">3</span><span class="plain-syntax">*</span><span class="identifier-syntax">WORDSIZE</span><span class="plain-syntax">*</span><span class="identifier-syntax">LanguageContractionForms</span><span class="plain-syntax">*(</span><span class="identifier-syntax">short_name_case</span><span class="plain-syntax"> + </span><span class="identifier-syntax">i</span><span class="plain-syntax">*</span><span class="identifier-syntax">LanguageCases</span><span class="plain-syntax">);</span>
|
|
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">switch</span><span class="plain-syntax"> (</span><span class="identifier-syntax">LanguageContractionForms</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="constant-syntax">2</span><span class="plain-syntax">: </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">artform</span><span class="plain-syntax">--></span><span class="identifier-syntax">acode</span><span class="plain-syntax"> ~= </span><span class="identifier-syntax">artform</span><span class="plain-syntax">-->(</span><span class="identifier-syntax">acode</span><span class="plain-syntax">+3)) </span><span class="identifier-syntax">findout</span><span class="plain-syntax"> = </span><span class="reserved-syntax">true</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="constant-syntax">3</span><span class="plain-syntax">: </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">artform</span><span class="plain-syntax">--></span><span class="identifier-syntax">acode</span><span class="plain-syntax"> ~= </span><span class="identifier-syntax">artform</span><span class="plain-syntax">-->(</span><span class="identifier-syntax">acode</span><span class="plain-syntax">+3)) </span><span class="identifier-syntax">findout</span><span class="plain-syntax"> = </span><span class="reserved-syntax">true</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">artform</span><span class="plain-syntax">-->(</span><span class="identifier-syntax">acode</span><span class="plain-syntax">+3) ~= </span><span class="identifier-syntax">artform</span><span class="plain-syntax">-->(</span><span class="identifier-syntax">acode</span><span class="plain-syntax">+6)) </span><span class="identifier-syntax">findout</span><span class="plain-syntax"> = </span><span class="reserved-syntax">true</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="constant-syntax">4</span><span class="plain-syntax">: </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">artform</span><span class="plain-syntax">--></span><span class="identifier-syntax">acode</span><span class="plain-syntax"> ~= </span><span class="identifier-syntax">artform</span><span class="plain-syntax">-->(</span><span class="identifier-syntax">acode</span><span class="plain-syntax">+3)) </span><span class="identifier-syntax">findout</span><span class="plain-syntax"> = </span><span class="reserved-syntax">true</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">artform</span><span class="plain-syntax">-->(</span><span class="identifier-syntax">acode</span><span class="plain-syntax">+3) ~= </span><span class="identifier-syntax">artform</span><span class="plain-syntax">-->(</span><span class="identifier-syntax">acode</span><span class="plain-syntax">+6)) </span><span class="identifier-syntax">findout</span><span class="plain-syntax"> = </span><span class="reserved-syntax">true</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">artform</span><span class="plain-syntax">-->(</span><span class="identifier-syntax">acode</span><span class="plain-syntax">+6) ~= </span><span class="identifier-syntax">artform</span><span class="plain-syntax">-->(</span><span class="identifier-syntax">acode</span><span class="plain-syntax">+9)) </span><span class="identifier-syntax">findout</span><span class="plain-syntax"> = </span><span class="reserved-syntax">true</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">default</span><span class="plain-syntax">: </span><span class="identifier-syntax">findout</span><span class="plain-syntax"> = </span><span class="reserved-syntax">true</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> #</span><span class="identifier-syntax">Ifdef</span><span class="plain-syntax"> </span><span class="identifier-syntax">TARGET_ZCODE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">standard_interpreter</span><span class="plain-syntax"> ~= </span><span class="constant-syntax">0</span><span class="plain-syntax"> && </span><span class="identifier-syntax">findout</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">StorageForShortName</span><span class="plain-syntax">-->0 = </span><span class="identifier-syntax">SHORT_NAME_BUFFER_LEN</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> @</span><span class="identifier-syntax">output_stream</span><span class="plain-syntax"> </span><span class="constant-syntax">3</span><span class="plain-syntax"> </span><span class="identifier-syntax">StorageForShortName</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">pluralise</span><span class="plain-syntax">) </span><span class="reserved-syntax">print</span><span class="plain-syntax"> (</span><span class="identifier-syntax">number</span><span class="plain-syntax">) </span><span class="identifier-syntax">pluralise</span><span class="plain-syntax">; </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="reserved-syntax">print</span><span class="plain-syntax"> (</span><span class="identifier-syntax">PSN__</span><span class="plain-syntax">) </span><span class="identifier-syntax">obj</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> @</span><span class="identifier-syntax">output_stream</span><span class="plain-syntax"> -3;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">acode</span><span class="plain-syntax"> = </span><span class="identifier-syntax">acode</span><span class="plain-syntax"> + </span><span class="constant-syntax">3</span><span class="plain-syntax">*</span><span class="identifier-syntax">LanguageContraction</span><span class="plain-syntax">(</span><span class="identifier-syntax">StorageForShortName</span><span class="plain-syntax"> + </span><span class="constant-syntax">2</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> #</span><span class="identifier-syntax">Ifnot</span><span class="plain-syntax">; </span><span class="comment-syntax">TARGET_GLULX</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">findout</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">pluralise</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">Glulx_PrintAnyToArrayUni</span><span class="plain-syntax">(</span><span class="identifier-syntax">StorageForShortName</span><span class="plain-syntax">, </span><span class="identifier-syntax">SHORT_NAME_BUFFER_LEN</span><span class="plain-syntax">, </span><span class="identifier-syntax">EnglishNumber</span><span class="plain-syntax">, </span><span class="identifier-syntax">pluralise</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">Glulx_PrintAnyToArrayUni</span><span class="plain-syntax">(</span><span class="identifier-syntax">StorageForShortName</span><span class="plain-syntax">, </span><span class="identifier-syntax">SHORT_NAME_BUFFER_LEN</span><span class="plain-syntax">, </span><span class="identifier-syntax">PSN__</span><span class="plain-syntax">, </span><span class="identifier-syntax">obj</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">acode</span><span class="plain-syntax"> = </span><span class="identifier-syntax">acode</span><span class="plain-syntax"> + </span><span class="constant-syntax">3</span><span class="plain-syntax">*</span><span class="identifier-syntax">LanguageContraction</span><span class="plain-syntax">(</span><span class="identifier-syntax">StorageForShortName</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> #</span><span class="identifier-syntax">Endif</span><span class="plain-syntax">; </span><span class="comment-syntax">TARGET_</span>
|
|
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">Cap</span><span class="plain-syntax"> (</span><span class="identifier-syntax">artform</span><span class="plain-syntax">--></span><span class="identifier-syntax">acode</span><span class="plain-syntax">, ~~</span><span class="identifier-syntax">capitalise</span><span class="plain-syntax">); </span><span class="comment-syntax">print article</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">pluralise</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">print</span><span class="plain-syntax"> (</span><span class="identifier-syntax">PSN__</span><span class="plain-syntax">) </span><span class="identifier-syntax">obj</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">];</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP5" class="paragraph-anchor"></a><b>§5. Object Names III. </b>The routines accessible from outside this segment.
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax">[ </span><span class="identifier-syntax">IndefArt</span><span class="plain-syntax"> </span><span class="identifier-syntax">obj</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax"> </span><span class="identifier-syntax">s</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">obj</span><span class="plain-syntax"> == </span><span class="constant-syntax">0</span><span class="plain-syntax">) { </span><span class="identifier-syntax">LW_Response</span><span class="plain-syntax">(</span><span class="character-syntax">'Y'</span><span class="plain-syntax">); </span><span class="reserved-syntax">rtrue</span><span class="plain-syntax">; }</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax"> = </span><span class="identifier-syntax">indef_mode</span><span class="plain-syntax">; </span><span class="identifier-syntax">indef_mode</span><span class="plain-syntax"> = </span><span class="reserved-syntax">true</span><span class="plain-syntax">; </span><span class="identifier-syntax">s</span><span class="plain-syntax"> = </span><span class="identifier-syntax">self</span><span class="plain-syntax">; </span><span class="identifier-syntax">self</span><span class="plain-syntax"> = </span><span class="identifier-syntax">obj</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">obj</span><span class="plain-syntax"> </span><span class="reserved-syntax">has</span><span class="plain-syntax"> </span><span class="identifier-syntax">proper</span><span class="plain-syntax">) { </span><span class="identifier-syntax">indef_mode</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">; </span><span class="reserved-syntax">print</span><span class="plain-syntax"> (</span><span class="identifier-syntax">PSN__</span><span class="plain-syntax">) </span><span class="identifier-syntax">obj</span><span class="plain-syntax">; </span><span class="identifier-syntax">indef_mode</span><span class="plain-syntax"> = </span><span class="identifier-syntax">i</span><span class="plain-syntax">; </span><span class="identifier-syntax">self</span><span class="plain-syntax"> = </span><span class="identifier-syntax">s</span><span class="plain-syntax">; </span><span class="reserved-syntax">return</span><span class="plain-syntax">; }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">obj</span><span class="plain-syntax"> </span><span class="reserved-syntax">provides</span><span class="plain-syntax"> </span><span class="identifier-syntax">article</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">TEXT_TY_Compare</span><span class="plain-syntax">(</span><span class="identifier-syntax">obj</span><span class="plain-syntax">.</span><span class="identifier-syntax">article</span><span class="plain-syntax">, </span><span class="identifier-syntax">EMPTY_TEXT_VALUE</span><span class="plain-syntax">) ~= </span><span class="constant-syntax">0</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">PrintOrRun</span><span class="plain-syntax">(</span><span class="identifier-syntax">obj</span><span class="plain-syntax">, </span><span class="identifier-syntax">article</span><span class="plain-syntax">, </span><span class="reserved-syntax">true</span><span class="plain-syntax">); </span><span class="reserved-syntax">print</span><span class="plain-syntax"> </span><span class="string-syntax">" "</span><span class="plain-syntax">, (</span><span class="identifier-syntax">PSN__</span><span class="plain-syntax">) </span><span class="identifier-syntax">obj</span><span class="plain-syntax">; </span><span class="identifier-syntax">indef_mode</span><span class="plain-syntax"> = </span><span class="identifier-syntax">i</span><span class="plain-syntax">; </span><span class="identifier-syntax">self</span><span class="plain-syntax"> = </span><span class="identifier-syntax">s</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">PrefaceByArticle</span><span class="plain-syntax">(</span><span class="identifier-syntax">obj</span><span class="plain-syntax">, </span><span class="constant-syntax">2</span><span class="plain-syntax">); </span><span class="identifier-syntax">indef_mode</span><span class="plain-syntax"> = </span><span class="identifier-syntax">i</span><span class="plain-syntax">; </span><span class="identifier-syntax">self</span><span class="plain-syntax"> = </span><span class="identifier-syntax">s</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">];</span>
|
|
|
|
<span class="plain-syntax">[ </span><span class="identifier-syntax">CIndefArt</span><span class="plain-syntax"> </span><span class="identifier-syntax">obj</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax"> </span><span class="identifier-syntax">s</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">obj</span><span class="plain-syntax"> == </span><span class="constant-syntax">0</span><span class="plain-syntax">) { </span><span class="identifier-syntax">LW_Response</span><span class="plain-syntax">(</span><span class="character-syntax">'X'</span><span class="plain-syntax">); </span><span class="reserved-syntax">rtrue</span><span class="plain-syntax">; }</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax"> = </span><span class="identifier-syntax">indef_mode</span><span class="plain-syntax">; </span><span class="identifier-syntax">indef_mode</span><span class="plain-syntax"> = </span><span class="reserved-syntax">true</span><span class="plain-syntax">; </span><span class="identifier-syntax">s</span><span class="plain-syntax"> = </span><span class="identifier-syntax">self</span><span class="plain-syntax">; </span><span class="identifier-syntax">self</span><span class="plain-syntax"> = </span><span class="identifier-syntax">obj</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">obj</span><span class="plain-syntax"> </span><span class="reserved-syntax">has</span><span class="plain-syntax"> </span><span class="identifier-syntax">proper</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">indef_mode</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">caps_mode</span><span class="plain-syntax"> = </span><span class="reserved-syntax">true</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">print</span><span class="plain-syntax"> (</span><span class="identifier-syntax">PSN__</span><span class="plain-syntax">) </span><span class="identifier-syntax">obj</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">indef_mode</span><span class="plain-syntax"> = </span><span class="identifier-syntax">i</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">caps_mode</span><span class="plain-syntax"> = </span><span class="reserved-syntax">false</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">self</span><span class="plain-syntax"> = </span><span class="identifier-syntax">s</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">obj</span><span class="plain-syntax"> </span><span class="reserved-syntax">provides</span><span class="plain-syntax"> </span><span class="identifier-syntax">article</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">TEXT_TY_Compare</span><span class="plain-syntax">(</span><span class="identifier-syntax">obj</span><span class="plain-syntax">.</span><span class="identifier-syntax">article</span><span class="plain-syntax">, </span><span class="identifier-syntax">EMPTY_TEXT_VALUE</span><span class="plain-syntax">) ~= </span><span class="constant-syntax">0</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">TEXT_TY_Say_Capitalised</span><span class="plain-syntax">(</span><span class="identifier-syntax">obj</span><span class="plain-syntax">.</span><span class="identifier-syntax">article</span><span class="plain-syntax">); </span><span class="reserved-syntax">print</span><span class="plain-syntax"> </span><span class="string-syntax">" "</span><span class="plain-syntax">, (</span><span class="identifier-syntax">PSN__</span><span class="plain-syntax">) </span><span class="identifier-syntax">obj</span><span class="plain-syntax">; </span><span class="identifier-syntax">indef_mode</span><span class="plain-syntax"> = </span><span class="identifier-syntax">i</span><span class="plain-syntax">; </span><span class="identifier-syntax">self</span><span class="plain-syntax"> = </span><span class="identifier-syntax">s</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">PrefaceByArticle</span><span class="plain-syntax">(</span><span class="identifier-syntax">obj</span><span class="plain-syntax">, </span><span class="constant-syntax">2</span><span class="plain-syntax">, </span><span class="constant-syntax">0</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax">); </span><span class="identifier-syntax">indef_mode</span><span class="plain-syntax"> = </span><span class="identifier-syntax">i</span><span class="plain-syntax">; </span><span class="identifier-syntax">self</span><span class="plain-syntax"> = </span><span class="identifier-syntax">s</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">];</span>
|
|
|
|
<span class="plain-syntax">[ </span><span class="identifier-syntax">DefArt</span><span class="plain-syntax"> </span><span class="identifier-syntax">obj</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax"> </span><span class="identifier-syntax">s</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax"> = </span><span class="identifier-syntax">indef_mode</span><span class="plain-syntax">; </span><span class="identifier-syntax">indef_mode</span><span class="plain-syntax"> = </span><span class="reserved-syntax">false</span><span class="plain-syntax">; </span><span class="identifier-syntax">s</span><span class="plain-syntax"> = </span><span class="identifier-syntax">self</span><span class="plain-syntax">; </span><span class="identifier-syntax">self</span><span class="plain-syntax"> = </span><span class="identifier-syntax">obj</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((~~</span><span class="identifier-syntax">obj</span><span class="plain-syntax"> </span><span class="reserved-syntax">ofclass</span><span class="plain-syntax"> </span><span class="identifier-syntax">Object</span><span class="plain-syntax">) || </span><span class="identifier-syntax">obj</span><span class="plain-syntax"> </span><span class="reserved-syntax">has</span><span class="plain-syntax"> </span><span class="identifier-syntax">proper</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">indef_mode</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">; </span><span class="reserved-syntax">print</span><span class="plain-syntax"> (</span><span class="identifier-syntax">PSN__</span><span class="plain-syntax">) </span><span class="identifier-syntax">obj</span><span class="plain-syntax">; </span><span class="identifier-syntax">indef_mode</span><span class="plain-syntax"> = </span><span class="identifier-syntax">i</span><span class="plain-syntax">; </span><span class="identifier-syntax">self</span><span class="plain-syntax"> = </span><span class="identifier-syntax">s</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">PrefaceByArticle</span><span class="plain-syntax">(</span><span class="identifier-syntax">obj</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax">); </span><span class="identifier-syntax">indef_mode</span><span class="plain-syntax"> = </span><span class="identifier-syntax">i</span><span class="plain-syntax">; </span><span class="identifier-syntax">self</span><span class="plain-syntax"> = </span><span class="identifier-syntax">s</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">];</span>
|
|
|
|
<span class="plain-syntax">[ </span><span class="identifier-syntax">CDefArt</span><span class="plain-syntax"> </span><span class="identifier-syntax">obj</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax"> </span><span class="identifier-syntax">s</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax"> = </span><span class="identifier-syntax">indef_mode</span><span class="plain-syntax">; </span><span class="identifier-syntax">indef_mode</span><span class="plain-syntax"> = </span><span class="reserved-syntax">false</span><span class="plain-syntax">; </span><span class="identifier-syntax">s</span><span class="plain-syntax"> = </span><span class="identifier-syntax">self</span><span class="plain-syntax">; </span><span class="identifier-syntax">self</span><span class="plain-syntax"> = </span><span class="identifier-syntax">obj</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">obj</span><span class="plain-syntax"> </span><span class="reserved-syntax">ofclass</span><span class="plain-syntax"> </span><span class="identifier-syntax">Object</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">obj</span><span class="plain-syntax"> </span><span class="reserved-syntax">has</span><span class="plain-syntax"> </span><span class="identifier-syntax">proper</span><span class="plain-syntax"> || </span><span class="identifier-syntax">obj</span><span class="plain-syntax"> == </span><span class="identifier-syntax">player</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">indef_mode</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">caps_mode</span><span class="plain-syntax"> = </span><span class="reserved-syntax">true</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">print</span><span class="plain-syntax"> (</span><span class="identifier-syntax">PSN__</span><span class="plain-syntax">) </span><span class="identifier-syntax">obj</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">indef_mode</span><span class="plain-syntax"> = </span><span class="identifier-syntax">i</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">caps_mode</span><span class="plain-syntax"> = </span><span class="reserved-syntax">false</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">self</span><span class="plain-syntax"> = </span><span class="identifier-syntax">s</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((~~</span><span class="identifier-syntax">obj</span><span class="plain-syntax"> </span><span class="reserved-syntax">ofclass</span><span class="plain-syntax"> </span><span class="identifier-syntax">Object</span><span class="plain-syntax">) || </span><span class="identifier-syntax">obj</span><span class="plain-syntax"> </span><span class="reserved-syntax">has</span><span class="plain-syntax"> </span><span class="identifier-syntax">proper</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">indef_mode</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">; </span><span class="reserved-syntax">print</span><span class="plain-syntax"> (</span><span class="identifier-syntax">PSN__</span><span class="plain-syntax">) </span><span class="identifier-syntax">obj</span><span class="plain-syntax">; </span><span class="identifier-syntax">indef_mode</span><span class="plain-syntax"> = </span><span class="identifier-syntax">i</span><span class="plain-syntax">; </span><span class="identifier-syntax">self</span><span class="plain-syntax"> = </span><span class="identifier-syntax">s</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">PrefaceByArticle</span><span class="plain-syntax">(</span><span class="identifier-syntax">obj</span><span class="plain-syntax">, </span><span class="constant-syntax">0</span><span class="plain-syntax">); </span><span class="identifier-syntax">indef_mode</span><span class="plain-syntax"> = </span><span class="identifier-syntax">i</span><span class="plain-syntax">; </span><span class="identifier-syntax">self</span><span class="plain-syntax"> = </span><span class="identifier-syntax">s</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">];</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP6" class="paragraph-anchor"></a><b>§6. Printing in number bases. </b>The following prints the number <span class="extract"><span class="extract-syntax">n</span></span> in base <span class="extract"><span class="extract-syntax">base</span></span>, which must be 2 to 36.
|
|
If <span class="extract"><span class="extract-syntax">digits</span></span> is supplied, the number is padded with leading zeros to form at
|
|
least that many digits.
|
|
</p>
|
|
|
|
<p class="commentary"><span class="extract"><span class="extract-syntax">n</span></span> is printed as a signed number if <span class="extract"><span class="extract-syntax">base</span></span> is 10 and <span class="extract"><span class="extract-syntax">digits</span></span> is not supplied,
|
|
but in all other cases is printed as unsigned.
|
|
</p>
|
|
|
|
<p class="commentary">For example, -1 prints as FFFFFFFF in hex, either -1 or 4294967285 in decimal,
|
|
37777777777 in octal, 11111111111111111111111111111111 in binary, 102002022201221111200
|
|
in base 3 and 1Z141Y3 in base 36.
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax">[ </span><span class="identifier-syntax">PrintInBase</span><span class="plain-syntax"> </span><span class="identifier-syntax">n</span><span class="plain-syntax"> </span><span class="identifier-syntax">base</span><span class="plain-syntax"> </span><span class="identifier-syntax">digits</span><span class="plain-syntax"> </span><span class="identifier-syntax">digitset</span><span class="plain-syntax"> </span><span class="identifier-syntax">a</span><span class="plain-syntax"> </span><span class="identifier-syntax">digit_count</span><span class="plain-syntax"> </span><span class="identifier-syntax">j</span><span class="plain-syntax"> </span><span class="identifier-syntax">k</span><span class="plain-syntax"> </span><span class="identifier-syntax">d</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">base</span><span class="plain-syntax"> < </span><span class="constant-syntax">2</span><span class="plain-syntax">) || (</span><span class="identifier-syntax">base</span><span class="plain-syntax"> > </span><span class="constant-syntax">36</span><span class="plain-syntax">)) { </span><span class="reserved-syntax">print</span><span class="plain-syntax"> </span><span class="string-syntax">"("</span><span class="plain-syntax">, </span><span class="identifier-syntax">n</span><span class="plain-syntax">, </span><span class="string-syntax">" in base "</span><span class="plain-syntax">, </span><span class="identifier-syntax">base</span><span class="plain-syntax">, </span><span class="string-syntax">")"</span><span class="plain-syntax">; </span><span class="reserved-syntax">return</span><span class="plain-syntax">; }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">digits</span><span class="plain-syntax"> < </span><span class="constant-syntax">1</span><span class="plain-syntax">) </span><span class="identifier-syntax">digits</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">digits</span><span class="plain-syntax"> > </span><span class="constant-syntax">100</span><span class="plain-syntax">) </span><span class="identifier-syntax">digits</span><span class="plain-syntax"> = </span><span class="constant-syntax">100</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">base</span><span class="plain-syntax"> == </span><span class="constant-syntax">10</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">digits</span><span class="plain-syntax"> == </span><span class="constant-syntax">0</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">digitset</span><span class="plain-syntax"> == </span><span class="constant-syntax">0</span><span class="plain-syntax">)) { </span><span class="reserved-syntax">print</span><span class="plain-syntax"> </span><span class="identifier-syntax">n</span><span class="plain-syntax">; </span><span class="reserved-syntax">return</span><span class="plain-syntax">; }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">n</span><span class="plain-syntax"> == </span><span class="constant-syntax">0</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">digit_count</span><span class="plain-syntax"> = </span><span class="constant-syntax">1</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> } </span><span class="reserved-syntax">else</span><span class="plain-syntax"> {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">a</span><span class="plain-syntax"> = </span><span class="identifier-syntax">n</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">digit_count</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">do</span><span class="plain-syntax"> {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">a</span><span class="plain-syntax"> = </span><span class="identifier-syntax">DropDigit</span><span class="plain-syntax">(</span><span class="identifier-syntax">a</span><span class="plain-syntax">, </span><span class="identifier-syntax">base</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">digit_count</span><span class="plain-syntax">++;</span>
|
|
<span class="plain-syntax"> } </span><span class="reserved-syntax">until</span><span class="plain-syntax"> (</span><span class="identifier-syntax">a</span><span class="plain-syntax"> == </span><span class="constant-syntax">0</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">for</span><span class="plain-syntax"> (</span><span class="identifier-syntax">j</span><span class="plain-syntax"> = </span><span class="identifier-syntax">digits</span><span class="plain-syntax">: </span><span class="identifier-syntax">j</span><span class="plain-syntax"> > </span><span class="identifier-syntax">digit_count</span><span class="plain-syntax">: </span><span class="identifier-syntax">j</span><span class="plain-syntax">--) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">digitset</span><span class="plain-syntax">) </span><span class="identifier-syntax">digitset</span><span class="plain-syntax">(0);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="reserved-syntax">print</span><span class="plain-syntax"> </span><span class="string-syntax">"0"</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">for</span><span class="plain-syntax"> (</span><span class="identifier-syntax">j</span><span class="plain-syntax"> = </span><span class="identifier-syntax">digit_count</span><span class="plain-syntax">: </span><span class="identifier-syntax">j</span><span class="plain-syntax"> >= </span><span class="constant-syntax">1</span><span class="plain-syntax">: </span><span class="identifier-syntax">j</span><span class="plain-syntax">--) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">a</span><span class="plain-syntax"> = </span><span class="identifier-syntax">n</span><span class="plain-syntax">; </span><span class="reserved-syntax">for</span><span class="plain-syntax"> (</span><span class="identifier-syntax">k</span><span class="plain-syntax"> = </span><span class="constant-syntax">1</span><span class="plain-syntax">: </span><span class="identifier-syntax">k</span><span class="plain-syntax"> < </span><span class="identifier-syntax">j</span><span class="plain-syntax">: </span><span class="identifier-syntax">k</span><span class="plain-syntax">++) </span><span class="identifier-syntax">a</span><span class="plain-syntax"> = </span><span class="identifier-syntax">DropDigit</span><span class="plain-syntax">(</span><span class="identifier-syntax">a</span><span class="plain-syntax">, </span><span class="identifier-syntax">base</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">d</span><span class="plain-syntax"> = </span><span class="identifier-syntax">LeastDigit</span><span class="plain-syntax">(</span><span class="identifier-syntax">a</span><span class="plain-syntax">, </span><span class="identifier-syntax">base</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">digitset</span><span class="plain-syntax">) </span><span class="identifier-syntax">digitset</span><span class="plain-syntax">(</span><span class="identifier-syntax">d</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">d</span><span class="plain-syntax"> < </span><span class="constant-syntax">10</span><span class="plain-syntax">) </span><span class="reserved-syntax">print</span><span class="plain-syntax"> </span><span class="identifier-syntax">d</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="reserved-syntax">print</span><span class="plain-syntax"> (</span><span class="identifier-syntax">char</span><span class="plain-syntax">) </span><span class="character-syntax">'A'</span><span class="plain-syntax"> + </span><span class="identifier-syntax">d</span><span class="plain-syntax"> - </span><span class="constant-syntax">10</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax">];</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP7" class="paragraph-anchor"></a><b>§7. </b>Here, <span class="extract"><span class="extract-syntax">n</span></span> may be negative, but we want to treat it as an unsigned integer,
|
|
not as twos-complement signed, and that is very annoying because we only have
|
|
access to signed integer division and remainder. On the bright side, <span class="extract"><span class="extract-syntax">base</span></span> is
|
|
between 2 and 36.
|
|
</p>
|
|
|
|
<p class="commentary">The idea here is that if <span class="extract"><span class="extract-syntax">n</span></span> has the top bit set, we take that bit away and
|
|
then can safely perform signed division getting the right answer; but then we
|
|
have to compensate by working out what difference it made that we changed
|
|
the value of <span class="extract"><span class="extract-syntax">n</span></span> (from an unsigned point of view) by subtracting <span class="extract"><span class="extract-syntax">$80000000</span></span>.
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax">[ </span><span class="identifier-syntax">DropDigit</span><span class="plain-syntax"> </span><span class="identifier-syntax">n</span><span class="plain-syntax"> </span><span class="identifier-syntax">base</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">n</span><span class="plain-syntax"> & </span><span class="identifier-syntax">WORD_HIGHBIT</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">n</span><span class="plain-syntax"> = </span><span class="identifier-syntax">n</span><span class="plain-syntax"> - </span><span class="identifier-syntax">WORD_HIGHBIT</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">n</span><span class="plain-syntax"> = </span><span class="identifier-syntax">n</span><span class="plain-syntax">/</span><span class="identifier-syntax">base</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">n</span><span class="plain-syntax"> = </span><span class="identifier-syntax">n</span><span class="plain-syntax"> + (</span><span class="identifier-syntax">WORD_HIGHBIT</span><span class="plain-syntax"> - </span><span class="identifier-syntax">base</span><span class="plain-syntax">)/</span><span class="identifier-syntax">base</span><span class="plain-syntax"> + </span><span class="constant-syntax">1</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">n</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> } </span><span class="reserved-syntax">else</span><span class="plain-syntax"> {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">n</span><span class="plain-syntax">/</span><span class="identifier-syntax">base</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax">];</span>
|
|
|
|
<span class="plain-syntax">[ </span><span class="identifier-syntax">LeastDigit</span><span class="plain-syntax"> </span><span class="identifier-syntax">n</span><span class="plain-syntax"> </span><span class="identifier-syntax">base</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">n</span><span class="plain-syntax"> & </span><span class="identifier-syntax">WORD_HIGHBIT</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">n</span><span class="plain-syntax"> = </span><span class="identifier-syntax">n</span><span class="plain-syntax"> - </span><span class="identifier-syntax">DropDigit</span><span class="plain-syntax">(</span><span class="identifier-syntax">n</span><span class="plain-syntax">, </span><span class="identifier-syntax">base</span><span class="plain-syntax">)*</span><span class="identifier-syntax">base</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">n</span><span class="plain-syntax"> = </span><span class="identifier-syntax">n</span><span class="plain-syntax">%</span><span class="identifier-syntax">base</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">n</span><span class="plain-syntax"> < </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><span class="identifier-syntax">n</span><span class="plain-syntax"> = </span><span class="identifier-syntax">n</span><span class="plain-syntax"> + </span><span class="identifier-syntax">base</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">n</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> } </span><span class="reserved-syntax">else</span><span class="plain-syntax"> {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">n</span><span class="plain-syntax">%</span><span class="identifier-syntax">base</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax">];</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP8" class="paragraph-anchor"></a><b>§8. Miscellaneous. </b>What the following functions have in common is that they are all minimal
|
|
definitions which apply only to Basic Inform programs. More elaborate
|
|
<span class="extract"><span class="extract-syntax">WorldModelKit</span></span> alternatives will be used if that kit is present, as it
|
|
always is for non-Basic Inform projects.
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax">[ </span><span class="identifier-syntax">DrawStatusLine</span><span class="plain-syntax"> </span><span class="identifier-syntax">width</span><span class="plain-syntax"> </span><span class="identifier-syntax">posb</span><span class="plain-syntax">; ]; </span><span class="comment-syntax">No status line is displayed</span>
|
|
<span class="plain-syntax">[ </span><span class="identifier-syntax">DefaultTopic</span><span class="plain-syntax">; </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="constant-syntax">0</span><span class="plain-syntax">; ]; </span><span class="comment-syntax">Topics exist only in CommandParserKit</span>
|
|
<span class="plain-syntax">[ </span><span class="identifier-syntax">PrintSnippet</span><span class="plain-syntax"> </span><span class="identifier-syntax">x</span><span class="plain-syntax">; ]; </span><span class="comment-syntax">Snippets exist only in CommandParserKit</span>
|
|
<span class="plain-syntax">[ </span><span class="identifier-syntax">PRINT_PROTAGONIST_INTERNAL_R</span><span class="plain-syntax">; ]; </span><span class="comment-syntax">There is no player in Basic Inform</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP9" class="paragraph-anchor"></a><b>§9. </b>PNToVP() takes no arguments and returns the GNA (gender-noun-animation) for
|
|
the <span class="extract"><span class="extract-syntax">prior_named_noun</span></span>.
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax">[ </span><span class="identifier-syntax">PNToVP</span><span class="plain-syntax"> </span><span class="identifier-syntax">gna</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">prior_named_noun</span><span class="plain-syntax">) </span><span class="identifier-syntax">gna</span><span class="plain-syntax"> = </span><span class="identifier-syntax">GetGNAOfObject</span><span class="plain-syntax">(</span><span class="identifier-syntax">prior_named_noun</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (((</span><span class="identifier-syntax">gna</span><span class="plain-syntax">%6)/3 == </span><span class="constant-syntax">1</span><span class="plain-syntax">) || (</span><span class="identifier-syntax">prior_named_list</span><span class="plain-syntax"> >= </span><span class="constant-syntax">2</span><span class="plain-syntax">)) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="constant-syntax">6</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="constant-syntax">3</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">];</span>
|
|
<span class="plain-syntax">[ </span><span class="identifier-syntax">GetGNAOfObject</span><span class="plain-syntax"> </span><span class="identifier-syntax">obj</span><span class="plain-syntax"> </span><span class="identifier-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">gender</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">gender</span><span class="plain-syntax"> == </span><span class="constant-syntax">0</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">case</span><span class="plain-syntax"> == </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><span class="identifier-syntax">gender</span><span class="plain-syntax"> = </span><span class="identifier-syntax">LanguageAnimateGender</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="identifier-syntax">gender</span><span class="plain-syntax"> = </span><span class="identifier-syntax">LanguageInanimateGender</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">obj</span><span class="plain-syntax"> </span><span class="reserved-syntax">has</span><span class="plain-syntax"> </span><span class="identifier-syntax">pluralname</span><span class="plain-syntax">) </span><span class="identifier-syntax">case</span><span class="plain-syntax"> = </span><span class="identifier-syntax">case</span><span class="plain-syntax"> + </span><span class="constant-syntax">3</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">case</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">];</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP10" class="paragraph-anchor"></a><b>§10. </b>This provides just a little of the list-writer.
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax">[ </span><span class="identifier-syntax">WriteListOfMarkedObjects</span><span class="plain-syntax"> </span><span class="identifier-syntax">in_style</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">obj</span><span class="plain-syntax"> </span><span class="identifier-syntax">c</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">objectloop</span><span class="plain-syntax"> (</span><span class="identifier-syntax">obj</span><span class="plain-syntax"> </span><span class="reserved-syntax">ofclass</span><span class="plain-syntax"> </span><span class="identifier-syntax">Object</span><span class="plain-syntax"> && </span><span class="identifier-syntax">obj</span><span class="plain-syntax"> </span><span class="reserved-syntax">has</span><span class="plain-syntax"> </span><span class="identifier-syntax">workflag2</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">c</span><span class="plain-syntax">++;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">objectloop</span><span class="plain-syntax"> (</span><span class="identifier-syntax">obj</span><span class="plain-syntax"> </span><span class="reserved-syntax">ofclass</span><span class="plain-syntax"> </span><span class="identifier-syntax">Object</span><span class="plain-syntax"> && </span><span class="identifier-syntax">obj</span><span class="plain-syntax"> </span><span class="reserved-syntax">has</span><span class="plain-syntax"> </span><span class="identifier-syntax">workflag2</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">PrintShortName</span><span class="plain-syntax">(</span><span class="identifier-syntax">obj</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">c</span><span class="plain-syntax">--;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">c</span><span class="plain-syntax"> > </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><span class="reserved-syntax">print</span><span class="plain-syntax"> </span><span class="string-syntax">", "</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax">];</span>
|
|
<span class="plain-syntax">[ </span><span class="identifier-syntax">LW_Response</span><span class="plain-syntax"> </span><span class="identifier-syntax">X</span><span class="plain-syntax"> </span><span class="identifier-syntax">o</span><span class="plain-syntax">; </span><span class="reserved-syntax">print</span><span class="plain-syntax"> </span><span class="string-syntax">" and "</span><span class="plain-syntax">; ];</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP11" class="paragraph-anchor"></a><b>§11. </b>These two functions are not really to do with printing, but are also stubs
|
|
provided for Basic Inform only.
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax">[ </span><span class="identifier-syntax">OwnerOf</span><span class="plain-syntax"> </span><span class="identifier-syntax">o</span><span class="plain-syntax">; </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="reserved-syntax">nothing</span><span class="plain-syntax">; ]; </span><span class="comment-syntax">"owner" implies personhood, and we have no people</span>
|
|
<span class="plain-syntax">[ </span><span class="identifier-syntax">MoveObject</span><span class="plain-syntax"> </span><span class="identifier-syntax">A</span><span class="plain-syntax"> </span><span class="identifier-syntax">B</span><span class="plain-syntax">; </span><span class="comment-syntax">this is considerably more restricted by WorldModelKit</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">A</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">B</span><span class="plain-syntax">)) </span><span class="reserved-syntax">move</span><span class="plain-syntax"> </span><span class="identifier-syntax">A</span><span class="plain-syntax"> </span><span class="reserved-syntax">to</span><span class="plain-syntax"> </span><span class="identifier-syntax">B</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">];</span>
|
|
</pre>
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