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<main role="main">
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<!--Weave of 'Showme Command' 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="../compiler.html">Inform7</a></li><li><a href="index.html">runtime</a></li><li><a href="index.html#9">Chapter 9: Testing</a></li><li><b>Showme Command</b></li></ul></div>
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<p class="purpose">A plugin to provide some support for the SHOWME testing command.</p>
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<ul class="toc"><li><a href="9-sc.html#SP1">§1. Initialising</a></li><li><a href="9-sc.html#SP2">§2. Support for the SHOWME command</a></li></ul><hr class="tocbar">
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<p class="commentary firstcommentary"><a id="SP1" class="paragraph-anchor"></a><b>§1. Initialising. </b>This doesn't in fact do anything, except to provide one service when it's
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plugged in.
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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">void</span><span class="plain-syntax"> </span><span class="function-syntax">RTShowmeCommand::start</span><span class="plain-syntax">(</span><span class="reserved-syntax">void</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">PluginManager::plug</span><span class="plain-syntax">(</span><span class="identifier-syntax">PRODUCTION_LINE_PLUG</span><span class="plain-syntax">, </span><a href="9-sc.html#SP1" class="function-link"><span class="function-syntax">RTShowmeCommand::production_line</span></a><span class="plain-syntax">);</span>
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<span class="plain-syntax">}</span>
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<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">RTShowmeCommand::production_line</span><span class="plain-syntax">(</span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">stage</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">debugging</span><span class="plain-syntax">,</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">stopwatch_timer</span><span class="plain-syntax"> *</span><span class="identifier-syntax">sequence_timer</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">stage</span><span class="plain-syntax"> == </span><span class="identifier-syntax">INTER5_CSEQ</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">BENCH</span><span class="plain-syntax">(</span><a href="9-sc.html#SP2" class="function-link"><span class="function-syntax">RTShowmeCommand::compile_SHOWME_details</span></a><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">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">FALSE</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. Support for the SHOWME command. </b>And here is the one service. We must compile I6 code which looks at the
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object in the local variable <span class="extract"><span class="extract-syntax">t_0</span></span> and prints out useful diagnostic data
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about its current state. We get to use a local variable <span class="extract"><span class="extract-syntax">na</span></span>, which stands
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for "number of attributes", though that's really I6-speak: what we mean
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is "number of either-or properties in the semicolon-separated list we
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are currently printing out".
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</p>
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<p class="commentary">We will show either/or properties first, on their own line, and then value
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properties.
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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">void</span><span class="plain-syntax"> </span><span class="function-syntax">RTShowmeCommand::compile_SHOWME_details</span><button class="popup" onclick="togglePopup('usagePopup1')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup1">Usage of <span class="code-font"><span class="function-syntax">RTShowmeCommand::compile_SHOWME_details</span></span>:<br/><a href="9-sc.html#SP1">§1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">void</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="9-sc.html#SP2_1" class="named-paragraph-link"><span class="named-paragraph">Make SHOWMEKINDDETAILS</span><span class="named-paragraph-number">2.1</span></a></span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="9-sc.html#SP2_2" class="named-paragraph-link"><span class="named-paragraph">Make SHOWMEINSTANCEDETAILS</span><span class="named-paragraph-number">2.2</span></a></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_1" class="paragraph-anchor"></a><b>§2.1. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Make SHOWMEKINDDETAILS</span><span class="named-paragraph-number">2.1</span></span><span class="comment-syntax"> =</span>
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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">kind</span><span class="plain-syntax"> *</span><span class="identifier-syntax">K</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_OVER_BASE_KINDS</span><span class="plain-syntax">(</span><span class="identifier-syntax">K</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">Kinds::Behaviour::is_object</span><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">)) {</span>
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<span class="plain-syntax"> </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata_from_number</span></a><span class="plain-syntax">(</span><a href="5-kc.html#SP4" class="function-link"><span class="function-syntax">RTKindConstructors::kind_package</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">),</span>
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<span class="plain-syntax"> </span><span class="constant-syntax">KIND_IS_OBJECT_MD_HL</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="identifier-syntax">inter_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">iname</span><span class="plain-syntax"> = </span><a href="2-hrr.html#SP12" class="function-link"><span class="function-syntax">Hierarchy::make_iname_in</span></a><span class="plain-syntax">(</span><span class="constant-syntax">SHOWME_FN_HL</span><span class="plain-syntax">, </span><a href="5-kc.html#SP4" class="function-link"><span class="function-syntax">RTKindConstructors::kind_package</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">));</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">packaging_state</span><span class="plain-syntax"> </span><span class="identifier-syntax">save</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Functions::begin</span><span class="plain-syntax">(</span><span class="identifier-syntax">iname</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">which_s</span><span class="plain-syntax"> = </span><span class="identifier-syntax">LocalVariables::new_other_as_symbol</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="string-syntax">"which"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">na_s</span><span class="plain-syntax"> = </span><span class="identifier-syntax">LocalVariables::new_other_as_symbol</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="string-syntax">"na"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">t_0_s</span><span class="plain-syntax"> = </span><span class="identifier-syntax">LocalVariables::new_other_as_symbol</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="string-syntax">"t_0"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><a href="2-ec.html#SP12" class="function-link"><span class="function-syntax">EmitCode::inv</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">IFDEBUG_BIP</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
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<span class="plain-syntax"> </span><a href="2-ec.html#SP5" class="function-link"><span class="function-syntax">EmitCode::code</span></a><span class="plain-syntax">();</span>
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<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
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<span class="plain-syntax"> </span><a href="2-ec.html#SP12" class="function-link"><span class="function-syntax">EmitCode::inv</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">IFELSE_BIP</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
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<span class="plain-syntax"> </span><a href="2-ec.html#SP7" class="function-link"><span class="function-syntax">EmitCode::val_symbol</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K_value</span><span class="plain-syntax">, </span><span class="identifier-syntax">which_s</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><a href="2-ec.html#SP5" class="function-link"><span class="function-syntax">EmitCode::code</span></a><span class="plain-syntax">();</span>
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<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
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<span class="plain-syntax"> </span><a href="9-sc.html#SP3" class="function-link"><span class="function-syntax">RTShowmeCommand::compile_SHOWME_type_subj</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">, </span><span class="identifier-syntax">KindSubjects::from_kind</span><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">), </span><span class="identifier-syntax">t_0_s</span><span class="plain-syntax">, </span><span class="identifier-syntax">na_s</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
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<span class="plain-syntax"> </span><a href="2-ec.html#SP5" class="function-link"><span class="function-syntax">EmitCode::code</span></a><span class="plain-syntax">();</span>
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<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
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<span class="plain-syntax"> </span><a href="9-sc.html#SP3" class="function-link"><span class="function-syntax">RTShowmeCommand::compile_SHOWME_type_subj</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">, </span><span class="identifier-syntax">KindSubjects::from_kind</span><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">), </span><span class="identifier-syntax">t_0_s</span><span class="plain-syntax">, </span><span class="identifier-syntax">na_s</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
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<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
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<span class="plain-syntax"> </span><a href="2-ec.html#SP12" class="function-link"><span class="function-syntax">EmitCode::inv</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">RETURN_BIP</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
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<span class="plain-syntax"> </span><a href="2-ec.html#SP7" class="function-link"><span class="function-syntax">EmitCode::val_symbol</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K_value</span><span class="plain-syntax">, </span><span class="identifier-syntax">na_s</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
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<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
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<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">Functions::end</span><span class="plain-syntax">(</span><span class="identifier-syntax">save</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata_from_iname</span></a><span class="plain-syntax">(</span><a href="5-kc.html#SP4" class="function-link"><span class="function-syntax">RTKindConstructors::kind_package</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">),</span>
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<span class="plain-syntax"> </span><span class="constant-syntax">KIND_SHOWME_MD_HL</span><span class="plain-syntax">, </span><span class="identifier-syntax">iname</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>
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<span class="plain-syntax"> </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata_from_number</span></a><span class="plain-syntax">(</span><a href="5-kc.html#SP4" class="function-link"><span class="function-syntax">RTKindConstructors::kind_package</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">),</span>
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<span class="plain-syntax"> </span><span class="constant-syntax">KIND_IS_OBJECT_MD_HL</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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<ul class="endnotetexts"><li>This code is used in <a href="9-sc.html#SP2">§2</a>.</li></ul>
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<p class="commentary firstcommentary"><a id="SP2_2" class="paragraph-anchor"></a><b>§2.2. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Make SHOWMEINSTANCEDETAILS</span><span class="named-paragraph-number">2.2</span></span><span class="comment-syntax"> =</span>
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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">instance</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">LOOP_OVER_INSTANCES</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">, </span><span class="identifier-syntax">K_object</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">inference_subject</span><span class="plain-syntax"> *</span><span class="identifier-syntax">subj</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Instances::as_subject</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">inter_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">iname</span><span class="plain-syntax"> = </span><a href="2-hrr.html#SP12" class="function-link"><span class="function-syntax">Hierarchy::make_iname_in</span></a><span class="plain-syntax">(</span><span class="constant-syntax">INST_SHOWME_FN_HL</span><span class="plain-syntax">,</span>
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<span class="plain-syntax"> </span><a href="5-ins.html#SP1" class="function-link"><span class="function-syntax">RTInstances::package</span></a><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">packaging_state</span><span class="plain-syntax"> </span><span class="identifier-syntax">save</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Functions::begin</span><span class="plain-syntax">(</span><span class="identifier-syntax">iname</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">which_s</span><span class="plain-syntax"> = </span><span class="identifier-syntax">LocalVariables::new_other_as_symbol</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="string-syntax">"which"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">na_s</span><span class="plain-syntax"> = </span><span class="identifier-syntax">LocalVariables::new_other_as_symbol</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="string-syntax">"na"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">t_0_s</span><span class="plain-syntax"> = </span><span class="identifier-syntax">LocalVariables::new_other_as_symbol</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="string-syntax">"t_0"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP12" class="function-link"><span class="function-syntax">EmitCode::inv</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">IFDEBUG_BIP</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP5" class="function-link"><span class="function-syntax">EmitCode::code</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP12" class="function-link"><span class="function-syntax">EmitCode::inv</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">IFELSE_BIP</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP7" class="function-link"><span class="function-syntax">EmitCode::val_symbol</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K_value</span><span class="plain-syntax">, </span><span class="identifier-syntax">which_s</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP5" class="function-link"><span class="function-syntax">EmitCode::code</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="9-sc.html#SP3" class="function-link"><span class="function-syntax">RTShowmeCommand::compile_SHOWME_type_subj</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">, </span><span class="identifier-syntax">subj</span><span class="plain-syntax">, </span><span class="identifier-syntax">t_0_s</span><span class="plain-syntax">, </span><span class="identifier-syntax">na_s</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP5" class="function-link"><span class="function-syntax">EmitCode::code</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="9-sc.html#SP3" class="function-link"><span class="function-syntax">RTShowmeCommand::compile_SHOWME_type_subj</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">, </span><span class="identifier-syntax">subj</span><span class="plain-syntax">, </span><span class="identifier-syntax">t_0_s</span><span class="plain-syntax">, </span><span class="identifier-syntax">na_s</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP12" class="function-link"><span class="function-syntax">EmitCode::inv</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">RETURN_BIP</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP7" class="function-link"><span class="function-syntax">EmitCode::val_symbol</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K_value</span><span class="plain-syntax">, </span><span class="identifier-syntax">na_s</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">Functions::end</span><span class="plain-syntax">(</span><span class="identifier-syntax">save</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata_from_iname</span></a><span class="plain-syntax">(</span><a href="5-ins.html#SP1" class="function-link"><span class="function-syntax">RTInstances::package</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">),</span>
|
|
<span class="plain-syntax"> </span><span class="constant-syntax">INST_SHOWME_MD_HL</span><span class="plain-syntax">, </span><span class="identifier-syntax">iname</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> }</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="9-sc.html#SP2">§2</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP3" class="paragraph-anchor"></a><b>§3. </b></p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">RTShowmeCommand::compile_SHOWME_type_subj</span><button class="popup" onclick="togglePopup('usagePopup2')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup2">Usage of <span class="code-font"><span class="function-syntax">RTShowmeCommand::compile_SHOWME_type_subj</span></span>:<br/><a href="9-sc.html#SP2_1">§2.1</a>, <a href="9-sc.html#SP2_2">§2.2</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">val</span><span class="plain-syntax">, </span><span class="identifier-syntax">inference_subject</span><span class="plain-syntax"> *</span><span class="identifier-syntax">subj</span><span class="plain-syntax">, </span><span class="identifier-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">t_0_s</span><span class="plain-syntax">, </span><span class="identifier-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">na_s</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="9-sc.html#SP3_1" class="named-paragraph-link"><span class="named-paragraph">Skip if this object's definition has nothing to offer SHOWME</span><span class="named-paragraph-number">3.1</span></a></span><span class="plain-syntax">;</span>
|
|
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP12" class="function-link"><span class="function-syntax">EmitCode::inv</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">IF_BIP</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">InferenceSubjects::emit_element_of_condition</span><span class="plain-syntax">(</span><span class="identifier-syntax">subj</span><span class="plain-syntax">, </span><span class="identifier-syntax">t_0_s</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP5" class="function-link"><span class="function-syntax">EmitCode::code</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="9-sc.html#SP3_2" class="named-paragraph-link"><span class="named-paragraph">Divide up the sublists of either/or properties in a SHOWME</span><span class="named-paragraph-number">3.2</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="9-sc.html#SP3_3" class="named-paragraph-link"><span class="named-paragraph">Compile code which shows properties inherited from this object's definition</span><span class="named-paragraph-number">3.3</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP3_1" class="paragraph-anchor"></a><b>§3.1. </b>This simply avoids compiling redundant empty <span class="extract"><span class="extract-syntax">if</span></span> statements.
|
|
</p>
|
|
|
|
<p class="commentary"><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Skip if this object's definition has nothing to offer SHOWME</span><span class="named-paragraph-number">3.1</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">todo</span><span class="plain-syntax"> = </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">property</span><span class="plain-syntax"> *</span><span class="identifier-syntax">prn</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_OVER</span><span class="plain-syntax">(</span><span class="identifier-syntax">prn</span><span class="plain-syntax">, </span><span class="identifier-syntax">property</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">Properties::is_value_property</span><span class="plain-syntax">(</span><span class="identifier-syntax">prn</span><span class="plain-syntax">) == </span><span class="identifier-syntax">val</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="9-sc.html#SP4" class="function-link"><span class="function-syntax">RTShowmeCommand::is_property_worth_SHOWME</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">subj</span><span class="plain-syntax">, </span><span class="identifier-syntax">prn</span><span class="plain-syntax">, </span><span class="identifier-syntax">t_0_s</span><span class="plain-syntax">, </span><span class="identifier-syntax">na_s</span><span class="plain-syntax">))</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">todo</span><span class="plain-syntax"> = </span><span class="identifier-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">todo</span><span class="plain-syntax"> == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax">;</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="9-sc.html#SP3">§3</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP3_2" class="paragraph-anchor"></a><b>§3.2. </b>In the code running at this point, <span class="extract"><span class="extract-syntax">na</span></span> holds the number of either/or
|
|
properties listed since the last time it was zeroed. If it's positive, we
|
|
need either a semicolon or a line break. If we're about to work on another
|
|
definition contributing either/or properties, the former; otherwise the
|
|
latter. Thus we end up with printed output such as
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> unlit, inedible, portable; male</span>
|
|
</pre>
|
|
<p class="commentary">where the first sublist of three either/ors comes from "thing", and the
|
|
second of just one from "person".
|
|
</p>
|
|
|
|
<p class="commentary"><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Divide up the sublists of either/or properties in a SHOWME</span><span class="named-paragraph-number">3.2</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">divider</span><span class="plain-syntax"> = </span><span class="identifier-syntax">I</span><span class="string-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">val</span><span class="plain-syntax">) </span><span class="identifier-syntax">divider</span><span class="plain-syntax"> = </span><span class="identifier-syntax">I</span><span class="string-syntax">"\n"</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP12" class="function-link"><span class="function-syntax">EmitCode::inv</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">IF_BIP</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP12" class="function-link"><span class="function-syntax">EmitCode::inv</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">GT_BIP</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP7" class="function-link"><span class="function-syntax">EmitCode::val_symbol</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K_value</span><span class="plain-syntax">, </span><span class="identifier-syntax">na_s</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP7" class="function-link"><span class="function-syntax">EmitCode::val_number</span></a><span class="plain-syntax">(0);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP5" class="function-link"><span class="function-syntax">EmitCode::code</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP12" class="function-link"><span class="function-syntax">EmitCode::inv</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">STORE_BIP</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP11" class="function-link"><span class="function-syntax">EmitCode::ref_symbol</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K_value</span><span class="plain-syntax">, </span><span class="identifier-syntax">na_s</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP7" class="function-link"><span class="function-syntax">EmitCode::val_number</span></a><span class="plain-syntax">(0);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP12" class="function-link"><span class="function-syntax">EmitCode::inv</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">PRINT_BIP</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP7" class="function-link"><span class="function-syntax">EmitCode::val_text</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">divider</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="9-sc.html#SP3">§3</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP3_3" class="paragraph-anchor"></a><b>§3.3. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Compile code which shows properties inherited from this object's definition</span><span class="named-paragraph-number">3.3</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">property</span><span class="plain-syntax"> *</span><span class="identifier-syntax">prn</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_OVER</span><span class="plain-syntax">(</span><span class="identifier-syntax">prn</span><span class="plain-syntax">, </span><span class="identifier-syntax">property</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">Properties::is_value_property</span><span class="plain-syntax">(</span><span class="identifier-syntax">prn</span><span class="plain-syntax">) == </span><span class="identifier-syntax">val</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><a href="9-sc.html#SP4" class="function-link"><span class="function-syntax">RTShowmeCommand::compile_property_SHOWME</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">subj</span><span class="plain-syntax">, </span><span class="identifier-syntax">prn</span><span class="plain-syntax">, </span><span class="identifier-syntax">t_0_s</span><span class="plain-syntax">, </span><span class="identifier-syntax">na_s</span><span class="plain-syntax">);</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="9-sc.html#SP3">§3</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP4" class="paragraph-anchor"></a><b>§4. </b>We actually use the same routine for both testing and compiling:
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">RTShowmeCommand::is_property_worth_SHOWME</span><button class="popup" onclick="togglePopup('usagePopup3')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup3">Usage of <span class="code-font"><span class="function-syntax">RTShowmeCommand::is_property_worth_SHOWME</span></span>:<br/><a href="9-sc.html#SP3_1">§3.1</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">inference_subject</span><span class="plain-syntax"> *</span><span class="identifier-syntax">subj</span><span class="plain-syntax">, </span><span class="identifier-syntax">property</span><span class="plain-syntax"> *</span><span class="identifier-syntax">prn</span><span class="plain-syntax">, </span><span class="identifier-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">t_0_s</span><span class="plain-syntax">, </span><span class="identifier-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">na_s</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><a href="9-sc.html#SP5" class="function-link"><span class="function-syntax">RTShowmeCommand::SHOWME_primitive</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">subj</span><span class="plain-syntax">, </span><span class="identifier-syntax">prn</span><span class="plain-syntax">, </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">, </span><span class="identifier-syntax">t_0_s</span><span class="plain-syntax">, </span><span class="identifier-syntax">na_s</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax">}</span>
|
|
|
|
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">RTShowmeCommand::compile_property_SHOWME</span><button class="popup" onclick="togglePopup('usagePopup4')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup4">Usage of <span class="code-font"><span class="function-syntax">RTShowmeCommand::compile_property_SHOWME</span></span>:<br/><a href="9-sc.html#SP3_3">§3.3</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">inference_subject</span><span class="plain-syntax"> *</span><span class="identifier-syntax">subj</span><span class="plain-syntax">, </span><span class="identifier-syntax">property</span><span class="plain-syntax"> *</span><span class="identifier-syntax">prn</span><span class="plain-syntax">, </span><span class="identifier-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">t_0_s</span><span class="plain-syntax">, </span><span class="identifier-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">na_s</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><a href="9-sc.html#SP5" class="function-link"><span class="function-syntax">RTShowmeCommand::SHOWME_primitive</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">subj</span><span class="plain-syntax">, </span><span class="identifier-syntax">prn</span><span class="plain-syntax">, </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">, </span><span class="identifier-syntax">t_0_s</span><span class="plain-syntax">, </span><span class="identifier-syntax">na_s</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. </b>So here goes.
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">RTShowmeCommand::SHOWME_primitive</span><button class="popup" onclick="togglePopup('usagePopup5')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup5">Usage of <span class="code-font"><span class="function-syntax">RTShowmeCommand::SHOWME_primitive</span></span>:<br/><a href="9-sc.html#SP4">§4</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">inference_subject</span><span class="plain-syntax"> *</span><span class="identifier-syntax">subj</span><span class="plain-syntax">, </span><span class="identifier-syntax">property</span><span class="plain-syntax"> *</span><span class="identifier-syntax">prn</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">comp</span><span class="plain-syntax">, </span><span class="identifier-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">t_0_s</span><span class="plain-syntax">, </span><span class="identifier-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">na_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">IXProperties::is_shown_in_index</span><span class="plain-syntax">(</span><span class="identifier-syntax">prn</span><span class="plain-syntax">) == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="5-prp.html#SP3" class="function-link"><span class="function-syntax">RTProperties::can_be_compiled</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">prn</span><span class="plain-syntax">) == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
|
|
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">inference_subject</span><span class="plain-syntax"> *</span><span class="identifier-syntax">parent</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InferenceSubjects::narrowest_broader_subject</span><span class="plain-syntax">(</span><span class="identifier-syntax">subj</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">PropertyPermissions::find</span><span class="plain-syntax">(</span><span class="identifier-syntax">subj</span><span class="plain-syntax">, </span><span class="identifier-syntax">prn</span><span class="plain-syntax">, </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">)) &&</span>
|
|
<span class="plain-syntax"> (</span><span class="identifier-syntax">PropertyPermissions::find</span><span class="plain-syntax">(</span><span class="identifier-syntax">parent</span><span class="plain-syntax">, </span><span class="identifier-syntax">prn</span><span class="plain-syntax">, </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">) == </span><span class="identifier-syntax">FALSE</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">comp</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">Properties::is_value_property</span><span class="plain-syntax">(</span><span class="identifier-syntax">prn</span><span class="plain-syntax">))</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="9-sc.html#SP5_1" class="named-paragraph-link"><span class="named-paragraph">Compile the SHOWME printing code for a value property</span><span class="named-paragraph-number">5.1</span></a></span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="9-sc.html#SP5_2" class="named-paragraph-link"><span class="named-paragraph">Compile the SHOWME printing code for an either/or property</span><span class="named-paragraph-number">5.2</span></a></span><span class="plain-syntax">;</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">TRUE</span><span class="plain-syntax">;</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">FALSE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP5_1" class="paragraph-anchor"></a><b>§5.1. </b>In general we print the property value even if it's boringly equal to the
|
|
default value for the property's kind. For instance, we would print a "number"
|
|
property even if its value is 0. But we make two exceptions:
|
|
</p>
|
|
|
|
<ul class="items"><li>(a) We don't print "nothing" for an object property. The reason for this is
|
|
pragmatic: the "matching key" property in the Standard Rules rather
|
|
awkwardly has "thing" as its domain, even though it's only meaningful for
|
|
lockable things. This has to be true because it's used as the left domain of
|
|
a relation, and relation domains have to be kinds, not unions of kinds. But
|
|
that means that, for example, the player has a "matching key" property,
|
|
which is never likely to be used. We don't want to print this.
|
|
</li><li>(b) We don't print a 0 value for a property used to store a relation whose
|
|
relevant domain is enumerative. For instance, if P holds a colour to which
|
|
an object is related, then P can validly be 0 at run-time (meaning: there's
|
|
no relation to any colour) even though this is not typesafe because 0 is
|
|
not a valid colour. Because of this, we can't print 0 using the printing
|
|
routine for colours; and the best thing is to print nothing at all.
|
|
</li></ul>
|
|
<p class="commentary"><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Compile the SHOWME printing code for a value property</span><span class="named-paragraph-number">5.1</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">kind</span><span class="plain-syntax"> *</span><span class="identifier-syntax">K</span><span class="plain-syntax"> = </span><span class="identifier-syntax">ValueProperties::kind</span><span class="plain-syntax">(</span><span class="identifier-syntax">prn</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">K</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">require_nonzero</span><span class="plain-syntax"> = </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><a href="5-prp.html#SP8" class="function-link"><span class="function-syntax">RTProperties::uses_non_typesafe_0</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">prn</span><span class="plain-syntax">)) ||</span>
|
|
<span class="plain-syntax"> (</span><span class="identifier-syntax">Kinds::Behaviour::is_object</span><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">)))</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">require_nonzero</span><span class="plain-syntax"> = </span><span class="identifier-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">require_nonzero</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP12" class="function-link"><span class="function-syntax">EmitCode::inv</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">IF_BIP</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">inter_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">iname</span><span class="plain-syntax"> = </span><a href="2-hrr.html#SP11" class="function-link"><span class="function-syntax">Hierarchy::find</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">GPROPERTY_HL</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP12" class="function-link"><span class="function-syntax">EmitCode::call</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">iname</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="5-ki.html#SP2" class="function-link"><span class="function-syntax">RTKindIDs::emit_weak_ID_as_val</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K_object</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP7" class="function-link"><span class="function-syntax">EmitCode::val_symbol</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K_value</span><span class="plain-syntax">, </span><span class="identifier-syntax">t_0_s</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP7" class="function-link"><span class="function-syntax">EmitCode::val_iname</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K_value</span><span class="plain-syntax">, </span><a href="5-prp.html#SP2" class="function-link"><span class="function-syntax">RTProperties::iname</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">prn</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP5" class="function-link"><span class="function-syntax">EmitCode::code</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="9-sc.html#SP5_1_1" class="named-paragraph-link"><span class="named-paragraph">Compile the SHOWME printing of the value of a value property</span><span class="named-paragraph-number">5.1.1</span></a></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">require_nonzero</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> }</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="9-sc.html#SP5">§5</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP5_1_1" class="paragraph-anchor"></a><b>§5.1.1. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Compile the SHOWME printing of the value of a value property</span><span class="named-paragraph-number">5.1.1</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">T</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">T</span><span class="plain-syntax">, </span><span class="string-syntax">"%+W: "</span><span class="plain-syntax">, </span><span class="identifier-syntax">prn</span><span class="plain-syntax">-></span><span class="element-syntax">name</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP12" class="function-link"><span class="function-syntax">EmitCode::inv</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">PRINT_BIP</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP7" class="function-link"><span class="function-syntax">EmitCode::val_text</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">T</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">DISCARD_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">T</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">Kinds::eq</span><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">, </span><span class="identifier-syntax">K_text</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP12" class="function-link"><span class="function-syntax">EmitCode::inv</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">IFELSE_BIP</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP12" class="function-link"><span class="function-syntax">EmitCode::inv</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">EQ_BIP</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP12" class="function-link"><span class="function-syntax">EmitCode::call</span></a><span class="plain-syntax">(</span><a href="2-hrr.html#SP11" class="function-link"><span class="function-syntax">Hierarchy::find</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">TEXT_TY_COMPARE_HL</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP12" class="function-link"><span class="function-syntax">EmitCode::call</span></a><span class="plain-syntax">(</span><a href="2-hrr.html#SP11" class="function-link"><span class="function-syntax">Hierarchy::find</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">GPROPERTY_HL</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="5-ki.html#SP2" class="function-link"><span class="function-syntax">RTKindIDs::emit_weak_ID_as_val</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K_object</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP7" class="function-link"><span class="function-syntax">EmitCode::val_symbol</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K_value</span><span class="plain-syntax">, </span><span class="identifier-syntax">t_0_s</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP7" class="function-link"><span class="function-syntax">EmitCode::val_iname</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K_value</span><span class="plain-syntax">, </span><a href="5-prp.html#SP2" class="function-link"><span class="function-syntax">RTProperties::iname</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">prn</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP7" class="function-link"><span class="function-syntax">EmitCode::val_iname</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K_value</span><span class="plain-syntax">, </span><a href="2-hrr.html#SP11" class="function-link"><span class="function-syntax">Hierarchy::find</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">EMPTY_TEXT_VALUE_HL</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP7" class="function-link"><span class="function-syntax">EmitCode::val_number</span></a><span class="plain-syntax">(0);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP5" class="function-link"><span class="function-syntax">EmitCode::code</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP12" class="function-link"><span class="function-syntax">EmitCode::inv</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">PRINT_BIP</span><span class="plain-syntax">);</span>
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|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
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|
<span class="plain-syntax"> </span><a href="2-ec.html#SP7" class="function-link"><span class="function-syntax">EmitCode::val_text</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="string-syntax">"none"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP5" class="function-link"><span class="function-syntax">EmitCode::code</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP12" class="function-link"><span class="function-syntax">EmitCode::inv</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">PRINTCHAR_BIP</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP7" class="function-link"><span class="function-syntax">EmitCode::val_number</span></a><span class="plain-syntax">(</span><span class="character-syntax">'\"'</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="9-sc.html#SP5_1_1_1" class="named-paragraph-link"><span class="named-paragraph">Compile the SHOWME of the actual value</span><span class="named-paragraph-number">5.1.1.1</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP12" class="function-link"><span class="function-syntax">EmitCode::inv</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">PRINTCHAR_BIP</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP7" class="function-link"><span class="function-syntax">EmitCode::val_number</span></a><span class="plain-syntax">(</span><span class="character-syntax">'\"'</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><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="named-paragraph-container code-font"><a href="9-sc.html#SP5_1_1_1" class="named-paragraph-link"><span class="named-paragraph">Compile the SHOWME of the actual value</span><span class="named-paragraph-number">5.1.1.1</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP12" class="function-link"><span class="function-syntax">EmitCode::inv</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">PRINT_BIP</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP7" class="function-link"><span class="function-syntax">EmitCode::val_text</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="string-syntax">"\n"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="9-sc.html#SP5_1">§5.1</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP5_1_1_1" class="paragraph-anchor"></a><b>§5.1.1.1. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Compile the SHOWME of the actual value</span><span class="named-paragraph-number">5.1.1.1</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP12" class="function-link"><span class="function-syntax">EmitCode::inv</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">INDIRECT1V_BIP</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP7" class="function-link"><span class="function-syntax">EmitCode::val_iname</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K_value</span><span class="plain-syntax">, </span><a href="5-kc.html#SP4" class="function-link"><span class="function-syntax">RTKindConstructors::get_iname</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP12" class="function-link"><span class="function-syntax">EmitCode::call</span></a><span class="plain-syntax">(</span><a href="2-hrr.html#SP11" class="function-link"><span class="function-syntax">Hierarchy::find</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">GPROPERTY_HL</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="5-ki.html#SP2" class="function-link"><span class="function-syntax">RTKindIDs::emit_weak_ID_as_val</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K_object</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP7" class="function-link"><span class="function-syntax">EmitCode::val_symbol</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K_value</span><span class="plain-syntax">, </span><span class="identifier-syntax">t_0_s</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP7" class="function-link"><span class="function-syntax">EmitCode::val_iname</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K_value</span><span class="plain-syntax">, </span><a href="5-prp.html#SP2" class="function-link"><span class="function-syntax">RTProperties::iname</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">prn</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="9-sc.html#SP5_1_1">§5.1.1</a> (twice).</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP5_2" class="paragraph-anchor"></a><b>§5.2. </b>The I6 template code is allowed to bar certain either/or properties using
|
|
<span class="extract"><span class="extract-syntax">AllowInShowme</span></span>; it typically uses this to block distracting temporary-workspace
|
|
properties like "marked for listing" whose values have no significance
|
|
turn by turn.
|
|
</p>
|
|
|
|
<p class="commentary"><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Compile the SHOWME printing code for an either/or property</span><span class="named-paragraph-number">5.2</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">property</span><span class="plain-syntax"> *</span><span class="identifier-syntax">allow</span><span class="plain-syntax"> = </span><span class="identifier-syntax">prn</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="5-prp.html#SP4" class="function-link"><span class="function-syntax">RTProperties::stored_in_negation</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">prn</span><span class="plain-syntax">))</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">allow</span><span class="plain-syntax"> = </span><span class="identifier-syntax">EitherOrProperties::get_negation</span><span class="plain-syntax">(</span><span class="identifier-syntax">prn</span><span class="plain-syntax">);</span>
|
|
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP12" class="function-link"><span class="function-syntax">EmitCode::inv</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">IF_BIP</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP12" class="function-link"><span class="function-syntax">EmitCode::inv</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">AND_BIP</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><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">TargetVMs::debug_enabled</span><span class="plain-syntax">(</span><span class="identifier-syntax">Task::vm</span><span class="plain-syntax">())) {</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP12" class="function-link"><span class="function-syntax">EmitCode::call</span></a><span class="plain-syntax">(</span><a href="2-hrr.html#SP11" class="function-link"><span class="function-syntax">Hierarchy::find</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ALLOWINSHOWME_HL</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP7" class="function-link"><span class="function-syntax">EmitCode::val_iname</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K_value</span><span class="plain-syntax">, </span><a href="5-prp.html#SP2" class="function-link"><span class="function-syntax">RTProperties::iname</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">prn</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><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><a href="2-ec.html#SP7" class="function-link"><span class="function-syntax">EmitCode::val_number</span></a><span class="plain-syntax">(0);</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><a href="6-epv.html#SP6" class="function-link"><span class="function-syntax">RTPropertyValues::emit_has_property</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K_value</span><span class="plain-syntax">, </span><span class="identifier-syntax">t_0_s</span><span class="plain-syntax">, </span><span class="identifier-syntax">prn</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP5" class="function-link"><span class="function-syntax">EmitCode::code</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="9-sc.html#SP5_2_1" class="named-paragraph-link"><span class="named-paragraph">Compile the comma as needed</span><span class="named-paragraph-number">5.2.1</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">T</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">T</span><span class="plain-syntax">, </span><span class="string-syntax">"%+W"</span><span class="plain-syntax">, </span><span class="identifier-syntax">prn</span><span class="plain-syntax">-></span><span class="element-syntax">name</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP12" class="function-link"><span class="function-syntax">EmitCode::inv</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">PRINT_BIP</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP7" class="function-link"><span class="function-syntax">EmitCode::val_text</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">T</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">DISCARD_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">T</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="9-sc.html#SP5">§5</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP5_2_1" class="paragraph-anchor"></a><b>§5.2.1. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Compile the comma as needed</span><span class="named-paragraph-number">5.2.1</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP12" class="function-link"><span class="function-syntax">EmitCode::inv</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">IF_BIP</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP12" class="function-link"><span class="function-syntax">EmitCode::inv</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">GT_BIP</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP12" class="function-link"><span class="function-syntax">EmitCode::inv</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">POSTINCREMENT_BIP</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP11" class="function-link"><span class="function-syntax">EmitCode::ref_symbol</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K_value</span><span class="plain-syntax">, </span><span class="identifier-syntax">na_s</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP7" class="function-link"><span class="function-syntax">EmitCode::val_number</span></a><span class="plain-syntax">(0);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP5" class="function-link"><span class="function-syntax">EmitCode::code</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP12" class="function-link"><span class="function-syntax">EmitCode::inv</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">PRINT_BIP</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP7" class="function-link"><span class="function-syntax">EmitCode::val_text</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="string-syntax">", "</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="9-sc.html#SP5_2">§5.2</a>.</li></ul>
|
|
<nav role="progress"><div class="progresscontainer">
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<ul class="progressbar"><li class="progressprev"><a href="8-los.html">❮</a></li><li class="progresschapter"><a href="P-wtmd.html">P</a></li><li class="progresschapter"><a href="1-rm.html">1</a></li><li class="progresschapter"><a href="2-hrr.html">2</a></li><li class="progresschapter"><a href="3-gm.html">3</a></li><li class="progresschapter"><a href="4-enc.html">4</a></li><li class="progresschapter"><a href="5-act.html">5</a></li><li class="progresschapter"><a href="6-kd.html">6</a></li><li class="progresschapter"><a href="7-act.html">7</a></li><li class="progresschapter"><a href="8-prs.html">8</a></li><li class="progresscurrentchapter">9</li><li class="progresscurrent">sc</li><li class="progresssection"><a href="9-ts.html">ts</a></li><li class="progresssection"><a href="9-itc.html">itc</a></li><li class="progressnext"><a href="9-ts.html">❯</a></li></ul></div>
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</nav><!--End of weave-->
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</main>
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</body>
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</html>
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