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<!--Weave of 'Emit' 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="../inform7n.html">Inform7</a></li><li><a href="index.html">runtime</a></li><li><a href="index.html#2">Chapter 2: Emission</a></li><li><b>Emit</b></li></ul></div>
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<p class="purpose">"Emitting" is the process of generating Inter bytecode, and this section provides a comprehensive API for the runtime and imperative modules to do that.</p>
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<ul class="toc"><li><a href="2-emt.html#SP1">§1. The emission tree</a></li><li><a href="2-emt.html#SP2">§2. Data as pairs of Inter bytes</a></li><li><a href="2-emt.html#SP4">§4. Kinds</a></li><li><a href="2-emt.html#SP5">§5. Pragmas</a></li><li><a href="2-emt.html#SP6">§6. Constants</a></li><li><a href="2-emt.html#SP12">§12. Instances</a></li><li><a href="2-emt.html#SP13">§13. Variables</a></li><li><a href="2-emt.html#SP14">§14. Properties and permissions</a></li><li><a href="2-emt.html#SP15">§15. Property values</a></li><li><a href="2-emt.html#SP16">§16. Interventions</a></li></ul><hr class="tocbar">
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<p class="commentary firstcommentary"><a id="SP1" class="paragraph-anchor"></a><b>§1. The emission tree. </b>The <a href="../bytecode-module/index.html" class="internal">bytecode</a> module can maintain multiple independent trees of Inter code
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in memory, so that most calls to <a href="../bytecode-module/index.html" class="internal">bytecode</a> or <a href="../building-module/index.html" class="internal">building</a> take an <span class="extract"><span class="extract-syntax">inter_tree</span></span>
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pointer as their first function argument. But <a href="index.html" class="internal">runtime</a> and <a href="../imperative-module/index.html" class="internal">imperative</a> work
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on just one single tree.
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</p>
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<p class="commentary">Calling <span class="extract"><span class="extract-syntax">LargeScale::begin_new_tree</span></span> makes a minimum of package types,
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creates the <span class="extract"><span class="extract-syntax">main</span></span> package, and so on, but leaves the tree basically still empty.
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</p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="identifier-syntax">inter_tree</span><span class="plain-syntax"> *</span><span class="identifier-syntax">main_emission_tree</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
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<span class="identifier-syntax">inter_tree</span><span class="plain-syntax"> *</span><span class="function-syntax">Emit::create_emission_tree</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">main_emission_tree</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InterTree::new</span><span class="plain-syntax">();</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">LargeScale::begin_new_tree</span><span class="plain-syntax">(</span><span class="identifier-syntax">main_emission_tree</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">main_emission_tree</span><span class="plain-syntax">;</span>
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<span class="plain-syntax">}</span>
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<span class="identifier-syntax">inter_tree</span><span class="plain-syntax"> *</span><span class="function-syntax">Emit::tree</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">Emit::tree</span></span>:<br/><a href="2-emt.html#SP4">§4</a>, <a href="2-emt.html#SP5">§5</a>, <a href="2-emt.html#SP6">§6</a>, <a href="2-emt.html#SP7">§7</a>, <a href="2-emt.html#SP8">§8</a>, <a href="2-emt.html#SP9">§9</a>, <a href="2-emt.html#SP11">§11</a>, <a href="2-emt.html#SP12">§12</a>, <a href="2-emt.html#SP13">§13</a>, <a href="2-emt.html#SP14">§14</a><br/>Hierarchy - <a href="2-hrr.html#SP1">§1</a>, <a href="2-hrr.html#SP2">§2</a>, <a href="2-hrr.html#SP8">§8</a>, <a href="2-hrr.html#SP9">§9</a>, <a href="2-hrr.html#SP11">§11</a>, <a href="2-hrr.html#SP12">§12</a>, <a href="2-hrr.html#SP13">§13</a>, <a href="2-hrr.html#SP14">§14</a>, <a href="2-hrr.html#SP15">§15</a>, <a href="2-hrr.html#SP16">§16</a>, <a href="2-hrr.html#SP17">§17</a>, <a href="2-hrr.html#SP18">§18</a>, <a href="2-hrr.html#SP20">§20</a>, <a href="2-hrr.html#SP21">§21</a>, <a href="2-hrr.html#SP22">§22</a><br/>Compilation Units - <a href="2-cu.html#SP2_1">§2.1</a><br/>Emit Code - <a href="2-ec.html#SP2">§2</a>, <a href="2-ec.html#SP3">§3</a>, <a href="2-ec.html#SP4">§4</a>, <a href="2-ec.html#SP5">§5</a>, <a href="2-ec.html#SP7">§7</a>, <a href="2-ec.html#SP9">§9</a>, <a href="2-ec.html#SP11">§11</a>, <a href="2-ec.html#SP12">§12</a>, <a href="2-ec.html#SP13">§13</a>, <a href="2-ec.html#SP14">§14</a>, <a href="2-ec.html#SP15">§15</a>, <a href="2-ec.html#SP16">§16</a><br/>Emit Arrays - <a href="2-ea.html#SP5">§5</a><br/>Default Values - <a href="2-dv.html#SP1">§1</a><br/>Generic Module - <a href="3-gm.html#SP1">§1</a><br/>Enclosures - <a href="4-enc.html#SP1">§1</a><br/>Text Substitutions - <a href="4-ts.html#SP7_4">§7.4</a><br/>Rules - <a href="5-rls.html#SP6">§6</a><br/>Variables - <a href="5-vrb.html#SP6">§6</a>, <a href="5-vrb.html#SP15">§15</a><br/>Kind Constructors - <a href="5-kc.html#SP3">§3</a>, <a href="5-kc.html#SP4">§4</a>, <a href="5-kc.html#SP8">§8</a>, <a href="5-kc.html#SP10">§10</a><br/>Property Permissions - <a href="6-pp.html#SP2">§2</a>, <a href="6-pp.html#SP3">§3</a><br/>Property Values - <a href="6-pv.html#SP2">§2</a>, <a href="6-pv.html#SP2_2_1">§2.2.1</a><br/>Command Grammars - <a href="7-cg.html#SP7">§7</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="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">main_emission_tree</span><span class="plain-syntax">;</span>
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<span class="plain-syntax">}</span>
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<span class="identifier-syntax">inter_ti</span><span class="plain-syntax"> </span><span class="function-syntax">Emit::symbol_id</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">Emit::symbol_id</span></span>:<br/>Emit Arrays - <a href="2-ea.html#SP10">§10</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">S</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">InterSymbolsTable::id_at_bookmark</span><span class="plain-syntax">(</span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::at</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">S</span><span class="plain-syntax">);</span>
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<span class="plain-syntax">}</span>
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<span class="identifier-syntax">inter_warehouse</span><span class="plain-syntax"> *</span><span class="function-syntax">Emit::warehouse</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="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">InterTree::warehouse</span><span class="plain-syntax">(</span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::tree</span></a><span class="plain-syntax">());</span>
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<span class="plain-syntax">}</span>
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<span class="identifier-syntax">inter_bookmark</span><span class="plain-syntax"> *</span><span class="function-syntax">Emit::at</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">Emit::at</span></span>:<br/><a href="2-emt.html#SP3">§3</a>, <a href="2-emt.html#SP4">§4</a>, <a href="2-emt.html#SP6">§6</a>, <a href="2-emt.html#SP7">§7</a>, <a href="2-emt.html#SP8">§8</a>, <a href="2-emt.html#SP9">§9</a>, <a href="2-emt.html#SP11">§11</a>, <a href="2-emt.html#SP12">§12</a>, <a href="2-emt.html#SP13">§13</a>, <a href="2-emt.html#SP14">§14</a>, <a href="2-emt.html#SP15">§15</a>, <a href="2-emt.html#SP16">§16</a><br/>Emit Arrays - <a href="2-ea.html#SP4">§4</a>, <a href="2-ea.html#SP10">§10</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="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">Packaging::at</span><span class="plain-syntax">(</span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::tree</span></a><span class="plain-syntax">());</span>
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<span class="plain-syntax">}</span>
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<span class="identifier-syntax">inter_ti</span><span class="plain-syntax"> </span><span class="function-syntax">Emit::baseline</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">Emit::baseline</span></span>:<br/><a href="2-emt.html#SP4">§4</a>, <a href="2-emt.html#SP6">§6</a>, <a href="2-emt.html#SP7">§7</a>, <a href="2-emt.html#SP8">§8</a>, <a href="2-emt.html#SP11">§11</a>, <a href="2-emt.html#SP12">§12</a>, <a href="2-emt.html#SP13">§13</a>, <a href="2-emt.html#SP14">§14</a>, <a href="2-emt.html#SP15">§15</a>, <a href="2-emt.html#SP16">§16</a><br/>Emit Arrays - <a href="2-ea.html#SP10">§10</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="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">Produce::baseline</span><span class="plain-syntax">(</span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::at</span></a><span class="plain-syntax">());</span>
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<span class="plain-syntax">}</span>
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<span class="identifier-syntax">inter_package</span><span class="plain-syntax"> *</span><span class="function-syntax">Emit::package</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">Emit::package</span></span>:<br/>Emit Arrays - <a href="2-ea.html#SP10">§10</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="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">InterBookmark::package</span><span class="plain-syntax">(</span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::at</span></a><span class="plain-syntax">());</span>
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<span class="plain-syntax">}</span>
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<span class="identifier-syntax">package_request</span><span class="plain-syntax"> *</span><span class="function-syntax">Emit::current_enclosure</span><button class="popup" onclick="togglePopup('usagePopup6')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup6">Usage of <span class="code-font"><span class="function-syntax">Emit::current_enclosure</span></span>:<br/>Enclosures - <a href="4-enc.html#SP1">§1</a><br/>Text Substitutions - <a href="4-ts.html#SP5">§5</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="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">Packaging::enclosure</span><span class="plain-syntax">(</span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::tree</span></a><span class="plain-syntax">());</span>
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<span class="plain-syntax">}</span>
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<span class="identifier-syntax">packaging_state</span><span class="plain-syntax"> </span><span class="function-syntax">Emit::new_packaging_state</span><button class="popup" onclick="togglePopup('usagePopup7')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup7">Usage of <span class="code-font"><span class="function-syntax">Emit::new_packaging_state</span></span>:<br/>Rulebooks - <a href="5-rlb.html#SP7_4_1">§7.4.1</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="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">Packaging::stateless</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. Data as pairs of Inter bytes. </b>A single data value is stored in Inter bytecode as two consecutive words:
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see <a href="../bytecode-module/index.html" class="internal">bytecode</a> for more on this. This means we sometimes deal with a doublet
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of <span class="extract"><span class="extract-syntax">inter_ti</span></span> variables:
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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">Emit::holster_iname</span><button class="popup" onclick="togglePopup('usagePopup8')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup8">Usage of <span class="code-font"><span class="function-syntax">Emit::holster_iname</span></span>:<br/>Text Substitutions - <a href="4-ts.html#SP2_2">§2.2</a><br/>Box Quotations - <a href="4-bq.html#SP1">§1</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">value_holster</span><span class="plain-syntax"> *</span><span class="identifier-syntax">VH</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>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Holsters::value_pair_allowed</span><span class="plain-syntax">(</span><span class="identifier-syntax">VH</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">iname</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="identifier-syntax">internal_error</span><span class="plain-syntax">(</span><span class="string-syntax">"no iname to holster"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">Holsters::holster_pair</span><span class="plain-syntax">(</span><span class="identifier-syntax">VH</span><span class="plain-syntax">, </span><a href="2-emt.html#SP3" class="function-link"><span class="function-syntax">Emit::to_value_pair</span></a><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>
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<span class="plain-syntax">}</span>
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</pre>
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<p class="commentary firstcommentary"><a id="SP3" class="paragraph-anchor"></a><b>§3. </b>A subtlety here is that the encoding of a symbol into a doublet depends on
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what package it belongs to, the "context" referred to below:
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</p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="identifier-syntax">inter_pair</span><span class="plain-syntax"> </span><span class="function-syntax">Emit::symbol_to_value_pair</span><button class="popup" onclick="togglePopup('usagePopup9')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup9">Usage of <span class="code-font"><span class="function-syntax">Emit::symbol_to_value_pair</span></span>:<br/><a href="2-emt.html#SP8">§8</a><br/>Emit Arrays - <a href="2-ea.html#SP4">§4</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">S</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><a href="2-emt.html#SP3" class="function-link"><span class="function-syntax">Emit::stvp_inner</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">S</span><span class="plain-syntax">, </span><span class="identifier-syntax">InterBookmark::package</span><span class="plain-syntax">(</span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::at</span></a><span class="plain-syntax">()));</span>
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<span class="plain-syntax">}</span>
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<span class="identifier-syntax">inter_pair</span><span class="plain-syntax"> </span><span class="function-syntax">Emit::to_value_pair</span><button class="popup" onclick="togglePopup('usagePopup10')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup10">Usage of <span class="code-font"><span class="function-syntax">Emit::to_value_pair</span></span>:<br/><a href="2-emt.html#SP2">§2</a><br/>Default Values - <a href="2-dv.html#SP2_1">§2.1</a>, <a href="2-dv.html#SP2_2">§2.2</a>, <a href="2-dv.html#SP2_4">§2.4</a>, <a href="2-dv.html#SP2_6">§2.6</a>, <a href="2-dv.html#SP2_7">§2.7</a>, <a href="2-dv.html#SP2_8">§2.8</a></span></button><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>
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<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><a href="2-emt.html#SP3" class="function-link"><span class="function-syntax">Emit::stvp_inner</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">InterNames::to_symbol</span><span class="plain-syntax">(</span><span class="identifier-syntax">iname</span><span class="plain-syntax">), </span><span class="identifier-syntax">InterBookmark::package</span><span class="plain-syntax">(</span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::at</span></a><span class="plain-syntax">()));</span>
|
|
<span class="plain-syntax">}</span>
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|
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|
<span class="identifier-syntax">inter_pair</span><span class="plain-syntax"> </span><span class="function-syntax">Emit::to_value_pair_in_context</span><button class="popup" onclick="togglePopup('usagePopup11')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup11">Usage of <span class="code-font"><span class="function-syntax">Emit::to_value_pair_in_context</span></span>:<br/><a href="2-emt.html#SP9">§9</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">inter_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">context</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>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">inter_package</span><span class="plain-syntax"> *</span><span class="identifier-syntax">pack</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Packaging::incarnate</span><span class="plain-syntax">(</span><span class="identifier-syntax">InterNames::location</span><span class="plain-syntax">(</span><span class="identifier-syntax">context</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">S</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InterNames::to_symbol</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">return</span><span class="plain-syntax"> </span><a href="2-emt.html#SP3" class="function-link"><span class="function-syntax">Emit::stvp_inner</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">S</span><span class="plain-syntax">, </span><span class="identifier-syntax">pack</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax">}</span>
|
|
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|
<span class="identifier-syntax">inter_pair</span><span class="plain-syntax"> </span><span class="function-syntax">Emit::stvp_inner</span><span class="plain-syntax">(</span><span class="identifier-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">S</span><span class="plain-syntax">, </span><span class="identifier-syntax">inter_package</span><span class="plain-syntax"> *</span><span class="identifier-syntax">pack</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">S</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">InterValuePairs::symbolic_in</span><span class="plain-syntax">(</span><span class="identifier-syntax">pack</span><span class="plain-syntax">, </span><span class="identifier-syntax">S</span><span class="plain-syntax">);</span>
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|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">InterValuePairs::number</span><span class="plain-syntax">(0);</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP4" class="paragraph-anchor"></a><b>§4. Kinds. </b>Inter has a very simple, and non-binding, system of "typenames" — a much simpler
|
|
system than Inform's hierarchy of kinds. Here we create a typename corresponding
|
|
to each kind whose data we will need to use in Inter. <span class="extract"><span class="extract-syntax">super</span></span> is the superkind,
|
|
if any; <span class="extract"><span class="extract-syntax">constructor</span></span> is one of the codes defined in <a href="../bytecode-module/3-idt.html" class="internal">Inter Data Types (in bytecode)</a>;
|
|
the other three arguments are for kind constructors.
|
|
</p>
|
|
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|
<pre class="definitions code-font"><span class="definition-keyword">define</span> <span class="constant-syntax">MAX_KIND_ARITY</span><span class="plain-syntax"> </span><span class="constant-syntax">128</span>
|
|
</pre>
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">Emit::kind</span><button class="popup" onclick="togglePopup('usagePopup12')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup12">Usage of <span class="code-font"><span class="function-syntax">Emit::kind</span></span>:<br/>Kind Declarations - <a href="2-kd.html#SP8">§8</a>, <a href="2-kd.html#SP9">§9</a></span></button><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><span class="identifier-syntax">inter_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">super</span><span class="plain-syntax">,</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">inter_ti</span><span class="plain-syntax"> </span><span class="identifier-syntax">constructor</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">arity</span><span class="plain-syntax">, </span><span class="identifier-syntax">kind</span><span class="plain-syntax"> **</span><span class="identifier-syntax">operand_kinds</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">Packaging::enter_home_of</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">S</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InterNames::to_symbol</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">SS</span><span class="plain-syntax"> = (</span><span class="identifier-syntax">super</span><span class="plain-syntax">)?</span><span class="identifier-syntax">InterNames::to_symbol</span><span class="plain-syntax">(</span><span class="identifier-syntax">super</span><span class="plain-syntax">):</span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">inter_ti</span><span class="plain-syntax"> </span><span class="identifier-syntax">operands</span><span class="plain-syntax">[</span><span class="constant-syntax">MAX_KIND_ARITY</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">arity</span><span class="plain-syntax"> > </span><span class="constant-syntax">MAX_KIND_ARITY</span><span class="plain-syntax">) </span><span class="identifier-syntax">internal_error</span><span class="plain-syntax">(</span><span class="string-syntax">"kind arity too high"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">for</span><span class="plain-syntax"> (</span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax">=0; </span><span class="identifier-syntax">i</span><span class="plain-syntax"><</span><span class="identifier-syntax">arity</span><span class="plain-syntax">; </span><span class="identifier-syntax">i</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">operand_kinds</span><span class="plain-syntax">[</span><span class="identifier-syntax">i</span><span class="plain-syntax">] == </span><span class="identifier-syntax">K_nil</span><span class="plain-syntax">) || (</span><span class="identifier-syntax">operand_kinds</span><span class="plain-syntax">[</span><span class="identifier-syntax">i</span><span class="plain-syntax">] == </span><span class="identifier-syntax">K_void</span><span class="plain-syntax">)) </span><span class="identifier-syntax">operands</span><span class="plain-syntax">[</span><span class="identifier-syntax">i</span><span class="plain-syntax">] = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
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|
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="identifier-syntax">operands</span><span class="plain-syntax">[</span><span class="identifier-syntax">i</span><span class="plain-syntax">] = </span><span class="identifier-syntax">Produce::kind_to_TID</span><span class="plain-syntax">(</span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::at</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">operand_kinds</span><span class="plain-syntax">[</span><span class="identifier-syntax">i</span><span class="plain-syntax">]);</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">Produce::guard</span><span class="plain-syntax">(</span><span class="identifier-syntax">TypenameInstruction::new</span><span class="plain-syntax">(</span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::at</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">S</span><span class="plain-syntax">, </span><span class="identifier-syntax">constructor</span><span class="plain-syntax">, </span><span class="identifier-syntax">SS</span><span class="plain-syntax">, </span><span class="identifier-syntax">arity</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">operands</span><span class="plain-syntax">, </span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::baseline</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">InterNames::to_symbol</span><span class="plain-syntax">(</span><span class="identifier-syntax">iname</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">Packaging::exit</span><span class="plain-syntax">(</span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">save</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. Pragmas. </b>The Inter language allows pragmas, or code-generation hints, to be passed
|
|
through. These are specific to the target of compilation, and can be ignored
|
|
by all other targets. Here we generate only I6-target pragmas, which are commands
|
|
in I6's "Inform Control Language".
|
|
</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">Emit::pragma</span><button class="popup" onclick="togglePopup('usagePopup13')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup13">Usage of <span class="code-font"><span class="function-syntax">Emit::pragma</span></span>:<br/>Use Options - <a href="3-uo.html#SP1_1">§1.1</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">text</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">inter_tree</span><span class="plain-syntax"> *</span><span class="identifier-syntax">I</span><span class="plain-syntax"> = </span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::tree</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">LargeScale::emit_pragma</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"Inform6"</span><span class="plain-syntax">, </span><span class="identifier-syntax">text</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP6" class="paragraph-anchor"></a><b>§6. Constants. </b>These functions make it easy to define a named value in Inter. If the value is
|
|
an unsigned numeric constant, use one of these two functions — the first if
|
|
it represents an actual number at run-time, the second if not:
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="identifier-syntax">inter_name</span><span class="plain-syntax"> *</span><span class="function-syntax">Emit::numeric_constant</span><button class="popup" onclick="togglePopup('usagePopup14')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup14">Usage of <span class="code-font"><span class="function-syntax">Emit::numeric_constant</span></span>:<br/>Hierarchy - <a href="2-hrr.html#SP23">§23</a><br/>Compilation Units - <a href="2-cu.html#SP2_1_3">§2.1.3</a><br/>The Heap - <a href="2-th.html#SP2">§2</a><br/>Completion Module - <a href="3-cm.html#SP1_5">§1.5</a>, <a href="3-cm.html#SP1_6">§1.6</a>, <a href="3-cm.html#SP1_7">§1.7</a>, <a href="3-cm.html#SP1_8">§1.8</a>, <a href="3-cm.html#SP1_11_1">§1.11.1</a><br/>Use Options - <a href="3-uo.html#SP1">§1</a>, <a href="3-uo.html#SP1_2">§1.2</a><br/>Responses - <a href="4-rsp.html#SP6">§6</a><br/>Activities - <a href="5-act.html#SP7">§7</a><br/>Chronology - <a href="5-chr.html#SP3_3">§3.3</a>, <a href="5-chr.html#SP7_1">§7.1</a><br/>Conjugations - <a href="5-cnj.html#SP12">§12</a><br/>Tables - <a href="5-tbl.html#SP2_1_1_1_3">§2.1.1.1.3</a>, <a href="5-tbl.html#SP2_3">§2.3</a><br/>Table Columns - <a href="5-tc.html#SP2">§2</a><br/>Dialogue Beat Instances - <a href="5-dbi.html#SP2">§2</a><br/>Rules - <a href="5-rls.html#SP12_2">§12.2</a><br/>Rulebooks - <a href="5-rlb.html#SP7_2">§7.2</a><br/>Variables - <a href="5-vrb.html#SP14">§14</a><br/>Properties - <a href="5-prp.html#SP7_3">§7.3</a><br/>Relations - <a href="5-rlt.html#SP5">§5</a>, <a href="5-rlt.html#SP10_3">§10.3</a><br/>Kind Constructors - <a href="5-kc.html#SP10">§10</a><br/>Kind IDs - <a href="5-ki.html#SP9_2">§9.2</a><br/>Actions - <a href="5-act2.html#SP8_1">§8.1</a>, <a href="5-act2.html#SP8_3">§8.3</a><br/>Bibliographic Data - <a href="6-bd.html#SP1_6">§1.6</a><br/>The Player - <a href="6-tp.html#SP1">§1</a><br/>The Map - <a href="6-tm.html#SP1">§1</a><br/>Command Grammars - <a href="7-cg.html#SP3">§3</a>, <a href="7-cg.html#SP11">§11</a>, <a href="7-cg.html#SP16">§16</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">inter_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">con_iname</span><span class="plain-syntax">, </span><span class="identifier-syntax">inter_ti</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">return</span><span class="plain-syntax"> </span><a href="2-emt.html#SP6" class="function-link"><span class="function-syntax">Emit::numeric_constant_inner</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">con_iname</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">InterValuePairs::number_in_base</span><span class="plain-syntax">(</span><span class="identifier-syntax">val</span><span class="plain-syntax">, </span><span class="constant-syntax">10</span><span class="plain-syntax">), </span><span class="identifier-syntax">INT32_ITCONC</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax">}</span>
|
|
|
|
<span class="identifier-syntax">inter_name</span><span class="plain-syntax"> *</span><span class="function-syntax">Emit::named_numeric_constant_hex</span><button class="popup" onclick="togglePopup('usagePopup15')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup15">Usage of <span class="code-font"><span class="function-syntax">Emit::named_numeric_constant_hex</span></span>:<br/>Relations - <a href="5-rlt.html#SP1">§1</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">inter_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">con_iname</span><span class="plain-syntax">, </span><span class="identifier-syntax">inter_ti</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">return</span><span class="plain-syntax"> </span><a href="2-emt.html#SP6" class="function-link"><span class="function-syntax">Emit::numeric_constant_inner</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">con_iname</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">InterValuePairs::number_in_base</span><span class="plain-syntax">(</span><span class="identifier-syntax">val</span><span class="plain-syntax">, </span><span class="constant-syntax">16</span><span class="plain-syntax">), </span><span class="identifier-syntax">INT32_ITCONC</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax">}</span>
|
|
|
|
<span class="identifier-syntax">inter_name</span><span class="plain-syntax"> *</span><span class="function-syntax">Emit::named_unchecked_constant_hex</span><span class="plain-syntax">(</span><span class="identifier-syntax">inter_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">con_iname</span><span class="plain-syntax">, </span><span class="identifier-syntax">inter_ti</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">return</span><span class="plain-syntax"> </span><a href="2-emt.html#SP6" class="function-link"><span class="function-syntax">Emit::numeric_constant_inner</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">con_iname</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">InterValuePairs::number_in_base</span><span class="plain-syntax">(</span><span class="identifier-syntax">val</span><span class="plain-syntax">, </span><span class="constant-syntax">16</span><span class="plain-syntax">), </span><span class="identifier-syntax">UNCHECKED_ITCONC</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax">}</span>
|
|
|
|
<span class="identifier-syntax">inter_name</span><span class="plain-syntax"> *</span><span class="function-syntax">Emit::named_numeric_constant_signed</span><button class="popup" onclick="togglePopup('usagePopup16')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup16">Usage of <span class="code-font"><span class="function-syntax">Emit::named_numeric_constant_signed</span></span>:<br/>Conjugations - <a href="5-cnj.html#SP1">§1</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">inter_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">con_iname</span><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="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><a href="2-emt.html#SP6" class="function-link"><span class="function-syntax">Emit::numeric_constant_inner</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">con_iname</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">InterValuePairs::signed_number</span><span class="plain-syntax">(</span><span class="identifier-syntax">val</span><span class="plain-syntax">), </span><span class="identifier-syntax">INT32_ITCONC</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax">}</span>
|
|
|
|
<span class="identifier-syntax">inter_name</span><span class="plain-syntax"> *</span><span class="function-syntax">Emit::unchecked_numeric_constant</span><button class="popup" onclick="togglePopup('usagePopup17')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup17">Usage of <span class="code-font"><span class="function-syntax">Emit::unchecked_numeric_constant</span></span>:<br/>Actions - <a href="5-act2.html#SP8_2">§8.2</a><br/>Bibliographic Data - <a href="6-bd.html#SP1_3">§1.3</a><br/>Command Grammar Lines - <a href="7-cgl.html#SP9">§9</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">inter_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">con_iname</span><span class="plain-syntax">, </span><span class="identifier-syntax">inter_ti</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">return</span><span class="plain-syntax"> </span><a href="2-emt.html#SP6" class="function-link"><span class="function-syntax">Emit::numeric_constant_inner</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">con_iname</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">InterValuePairs::number_in_base</span><span class="plain-syntax">(</span><span class="identifier-syntax">val</span><span class="plain-syntax">, </span><span class="constant-syntax">10</span><span class="plain-syntax">), </span><span class="identifier-syntax">UNCHECKED_ITCONC</span><span class="plain-syntax">);</span>
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|
<span class="plain-syntax">}</span>
|
|
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<span class="identifier-syntax">inter_name</span><span class="plain-syntax"> *</span><span class="function-syntax">Emit::numeric_constant_inner</span><span class="plain-syntax">(</span><span class="identifier-syntax">inter_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">con_iname</span><span class="plain-syntax">, </span><span class="identifier-syntax">inter_pair</span><span class="plain-syntax"> </span><span class="identifier-syntax">val</span><span class="plain-syntax">,</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">inter_ti</span><span class="plain-syntax"> </span><span class="identifier-syntax">constructor_code</span><span class="plain-syntax">) {</span>
|
|
<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">Packaging::enter_home_of</span><span class="plain-syntax">(</span><span class="identifier-syntax">con_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">con_s</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InterNames::to_symbol</span><span class="plain-syntax">(</span><span class="identifier-syntax">con_iname</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">Produce::guard</span><span class="plain-syntax">(</span><span class="identifier-syntax">ConstantInstruction::new</span><span class="plain-syntax">(</span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::at</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">con_s</span><span class="plain-syntax">,</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">InterTypes::from_constructor_code</span><span class="plain-syntax">(</span><span class="identifier-syntax">constructor_code</span><span class="plain-syntax">), </span><span class="identifier-syntax">val</span><span class="plain-syntax">,</span>
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<span class="plain-syntax"> </span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::baseline</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">));</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">Packaging::exit</span><span class="plain-syntax">(</span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::tree</span></a><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><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">con_iname</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">}</span>
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</pre>
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|
<p class="commentary firstcommentary"><a id="SP7" class="paragraph-anchor"></a><b>§7. </b>Text:
|
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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">Emit::text_constant</span><button class="popup" onclick="togglePopup('usagePopup18')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup18">Usage of <span class="code-font"><span class="function-syntax">Emit::text_constant</span></span>:<br/><a href="2-emt.html#SP10">§10</a><br/>Hierarchy - <a href="2-hrr.html#SP23">§23</a><br/>Completion Module - <a href="3-cm.html#SP1_1">§1.1</a>, <a href="3-cm.html#SP1_2">§1.2</a>, <a href="3-cm.html#SP1_3">§1.3</a>, <a href="3-cm.html#SP1_4">§1.4</a><br/>Responses - <a href="4-rsp.html#SP6">§6</a><br/>Rulebooks - <a href="5-rlb.html#SP14_2">§14.2</a><br/>Bibliographic Data - <a href="6-bd.html#SP1_1">§1.1</a>, <a href="6-bd.html#SP1_2">§1.2</a>, <a href="6-bd.html#SP1_3">§1.3</a>, <a href="6-bd.html#SP1_4">§1.4</a>, <a href="6-bd.html#SP1_5">§1.5</a>, <a href="6-bd.html#SP1_6">§1.6</a>, <a href="6-bd.html#SP2">§2</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">inter_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">con_iname</span><span class="plain-syntax">, </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">contents</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">Packaging::enter_home_of</span><span class="plain-syntax">(</span><span class="identifier-syntax">con_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">con_s</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InterNames::to_symbol</span><span class="plain-syntax">(</span><span class="identifier-syntax">con_iname</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">Produce::guard</span><span class="plain-syntax">(</span><span class="identifier-syntax">ConstantInstruction::new</span><span class="plain-syntax">(</span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::at</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">con_s</span><span class="plain-syntax">,</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">InterTypes::from_constructor_code</span><span class="plain-syntax">(</span><span class="identifier-syntax">TEXT_ITCONC</span><span class="plain-syntax">),</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">InterValuePairs::from_text</span><span class="plain-syntax">(</span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::at</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">contents</span><span class="plain-syntax">), </span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::baseline</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">));</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">Packaging::exit</span><span class="plain-syntax">(</span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">save</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax">}</span>
|
|
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|
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">Emit::text_constant_literal</span><button class="popup" onclick="togglePopup('usagePopup19')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup19">Usage of <span class="code-font"><span class="function-syntax">Emit::text_constant_literal</span></span>:<br/>Text Literals - <a href="4-tl.html#SP4">§4</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">inter_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">con_iname</span><span class="plain-syntax">, </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">contents</span><span class="plain-syntax">) {</span>
|
|
<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">Packaging::enter_home_of</span><span class="plain-syntax">(</span><span class="identifier-syntax">con_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">con_s</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InterNames::to_symbol</span><span class="plain-syntax">(</span><span class="identifier-syntax">con_iname</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">Produce::guard</span><span class="plain-syntax">(</span><span class="identifier-syntax">ConstantInstruction::new</span><span class="plain-syntax">(</span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::at</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">con_s</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">LargeScale::text_literal_type</span><span class="plain-syntax">(</span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::tree</span></a><span class="plain-syntax">()),</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">InterValuePairs::from_text</span><span class="plain-syntax">(</span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::at</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">contents</span><span class="plain-syntax">), </span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::baseline</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">Packaging::exit</span><span class="plain-syntax">(</span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">save</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP8" class="paragraph-anchor"></a><b>§8. </b>And equating one constant to another named constant:
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="identifier-syntax">inter_name</span><span class="plain-syntax"> *</span><span class="function-syntax">Emit::iname_constant</span><button class="popup" onclick="togglePopup('usagePopup20')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup20">Usage of <span class="code-font"><span class="function-syntax">Emit::iname_constant</span></span>:<br/>Hierarchy - <a href="2-hrr.html#SP23">§23</a><br/>Instance Counting - <a href="2-ic.html#SP8">§8</a><br/>Short Names - <a href="2-sn.html#SP2">§2</a><br/>Responses - <a href="4-rsp.html#SP6">§6</a><br/>Activities - <a href="5-act.html#SP7">§7</a><br/>Chronology - <a href="5-chr.html#SP4">§4</a>, <a href="5-chr.html#SP8">§8</a><br/>Conjugations - <a href="5-cnj.html#SP12">§12</a><br/>Scene Instances - <a href="5-si.html#SP3">§3</a>, <a href="5-si.html#SP7">§7</a><br/>Tables - <a href="5-tbl.html#SP2_1_1_1_3">§2.1.1.1.3</a><br/>Dialogue Beat Instances - <a href="5-dbi.html#SP2">§2</a><br/>Rulebooks - <a href="5-rlb.html#SP7_4">§7.4</a>, <a href="5-rlb.html#SP14_3">§14.3</a><br/>Relations - <a href="5-rlt.html#SP4">§4</a>, <a href="5-rlt.html#SP5">§5</a>, <a href="5-rlt.html#SP6_2">§6.2</a><br/>Kind Constructors - <a href="5-kc.html#SP4">§4</a><br/>Kind IDs - <a href="5-ki.html#SP6">§6</a>, <a href="5-ki.html#SP9_2">§9.2</a><br/>Actions - <a href="5-act2.html#SP8_3">§8.3</a>, <a href="5-act2.html#SP8_4">§8.4</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">inter_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">con_iname</span><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">inter_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">val_iname</span><span class="plain-syntax">) {</span>
|
|
<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">Packaging::enter_home_of</span><span class="plain-syntax">(</span><span class="identifier-syntax">con_iname</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">con_s</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InterNames::to_symbol</span><span class="plain-syntax">(</span><span class="identifier-syntax">con_iname</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">val_s</span><span class="plain-syntax"> = (</span><span class="identifier-syntax">val_iname</span><span class="plain-syntax">)?</span><span class="identifier-syntax">InterNames::to_symbol</span><span class="plain-syntax">(</span><span class="identifier-syntax">val_iname</span><span class="plain-syntax">):</span><span class="identifier-syntax">NULL</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_s</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</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::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">val_s</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InterNames::to_symbol</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">NOTHING_HL</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">internal_error</span><span class="plain-syntax">(</span><span class="string-syntax">"can't handle a null alias"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">Produce::guard</span><span class="plain-syntax">(</span><span class="identifier-syntax">ConstantInstruction::new</span><span class="plain-syntax">(</span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::at</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">con_s</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">Produce::kind_to_type</span><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">), </span><a href="2-emt.html#SP3" class="function-link"><span class="function-syntax">Emit::symbol_to_value_pair</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">val_s</span><span class="plain-syntax">),</span>
|
|
<span class="plain-syntax"> </span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::baseline</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">Packaging::exit</span><span class="plain-syntax">(</span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">save</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">con_iname</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP9" class="paragraph-anchor"></a><b>§9. </b>These two variants are needed only for the oddball way <a href="6-bd.html" class="internal">Bibliographic Data</a>
|
|
is compiled.
|
|
</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">Emit::text_constant_from_wide_string</span><button class="popup" onclick="togglePopup('usagePopup21')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup21">Usage of <span class="code-font"><span class="function-syntax">Emit::text_constant_from_wide_string</span></span>:<br/>Bibliographic Data - <a href="6-bd.html#SP1_1">§1.1</a>, <a href="6-bd.html#SP1_2">§1.2</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">inter_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">con_iname</span><span class="plain-syntax">, </span><span class="identifier-syntax">wchar_t</span><span class="plain-syntax"> *</span><span class="identifier-syntax">str</span><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="4-tl.html#SP4" class="function-link"><span class="function-syntax">TextLiterals::to_value</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">Feeds::feed_C_string</span><span class="plain-syntax">(</span><span class="identifier-syntax">str</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><a href="2-emt.html#SP11" class="function-link"><span class="function-syntax">Emit::named_generic_constant</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">con_iname</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><a href="2-emt.html#SP3" class="function-link"><span class="function-syntax">Emit::to_value_pair_in_context</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">con_iname</span><span class="plain-syntax">, </span><span class="identifier-syntax">iname</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">Emit::serial_number</span><button class="popup" onclick="togglePopup('usagePopup22')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup22">Usage of <span class="code-font"><span class="function-syntax">Emit::serial_number</span></span>:<br/>Bibliographic Data - <a href="6-bd.html#SP1_5">§1.5</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">inter_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">con_iname</span><span class="plain-syntax">, </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">serial</span><span class="plain-syntax">) {</span>
|
|
<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">Packaging::enter_home_of</span><span class="plain-syntax">(</span><span class="identifier-syntax">con_iname</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">inter_pair</span><span class="plain-syntax"> </span><span class="identifier-syntax">val</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InterValuePairs::from_text</span><span class="plain-syntax">(</span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::at</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">serial</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-emt.html#SP11" class="function-link"><span class="function-syntax">Emit::named_generic_constant</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">con_iname</span><span class="plain-syntax">, </span><span class="identifier-syntax">val</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">Packaging::exit</span><span class="plain-syntax">(</span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">save</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP10" class="paragraph-anchor"></a><b>§10. </b>Similarly, there are just a few occasions when we need to extract the value
|
|
of a "variable" and define it as a constant:
|
|
</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">Emit::initial_value_as_constant</span><button class="popup" onclick="togglePopup('usagePopup23')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup23">Usage of <span class="code-font"><span class="function-syntax">Emit::initial_value_as_constant</span></span>:<br/>Variables - <a href="5-vrb.html#SP14">§14</a><br/>Bibliographic Data - <a href="6-bd.html#SP1_1">§1.1</a>, <a href="6-bd.html#SP1_2">§1.2</a>, <a href="6-bd.html#SP1_3">§1.3</a>, <a href="6-bd.html#SP1_4">§1.4</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">inter_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">con_iname</span><span class="plain-syntax">, </span><span class="identifier-syntax">nonlocal_variable</span><span class="plain-syntax"> *</span><span class="identifier-syntax">var</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><a href="2-emt.html#SP11" class="function-link"><span class="function-syntax">Emit::named_generic_constant</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">con_iname</span><span class="plain-syntax">,</span>
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|
<span class="plain-syntax"> </span><a href="5-vrb.html#SP15" class="function-link"><span class="function-syntax">RTVariables::initial_value_as_pair</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">con_iname</span><span class="plain-syntax">, </span><span class="identifier-syntax">var</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax">}</span>
|
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<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">Emit::initial_value_as_raw_text</span><button class="popup" onclick="togglePopup('usagePopup24')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup24">Usage of <span class="code-font"><span class="function-syntax">Emit::initial_value_as_raw_text</span></span>:<br/>Bibliographic Data - <a href="6-bd.html#SP1_1">§1.1</a>, <a href="6-bd.html#SP1_2">§1.2</a>, <a href="6-bd.html#SP1_3">§1.3</a>, <a href="6-bd.html#SP1_6">§1.6</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">inter_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">con_iname</span><span class="plain-syntax">, </span><span class="identifier-syntax">nonlocal_variable</span><span class="plain-syntax"> *</span><span class="identifier-syntax">var</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">wording</span><span class="plain-syntax"> </span><span class="identifier-syntax">W</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NonlocalVariables::initial_value_as_plain_text</span><span class="plain-syntax">(</span><span class="identifier-syntax">var</span><span class="plain-syntax">);</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">CONTENT</span><span class="plain-syntax">)</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">BibliographicData::compile_bibliographic_text</span><span class="plain-syntax">(</span><span class="identifier-syntax">CONTENT</span><span class="plain-syntax">,</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">Lexer::word_text</span><span class="plain-syntax">(</span><span class="identifier-syntax">Wordings::first_wn</span><span class="plain-syntax">(</span><span class="identifier-syntax">W</span><span class="plain-syntax">)), </span><span class="identifier-syntax">XML_BIBTEXT_MODE</span><span class="plain-syntax">);</span>
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|
<span class="plain-syntax"> </span><a href="2-emt.html#SP7" class="function-link"><span class="function-syntax">Emit::text_constant</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">con_iname</span><span class="plain-syntax">, </span><span class="identifier-syntax">CONTENT</span><span class="plain-syntax">);</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">DISCARD_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">CONTENT</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP11" class="paragraph-anchor"></a><b>§11. </b>The above make use of this:
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</p>
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|
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<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">Emit::named_generic_constant</span><button class="popup" onclick="togglePopup('usagePopup25')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup25">Usage of <span class="code-font"><span class="function-syntax">Emit::named_generic_constant</span></span>:<br/><a href="2-emt.html#SP9">§9</a>, <a href="2-emt.html#SP10">§10</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">inter_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">con_iname</span><span class="plain-syntax">, </span><span class="identifier-syntax">inter_pair</span><span class="plain-syntax"> </span><span class="identifier-syntax">val</span><span class="plain-syntax">) {</span>
|
|
<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">Packaging::enter_home_of</span><span class="plain-syntax">(</span><span class="identifier-syntax">con_iname</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">con_s</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InterNames::to_symbol</span><span class="plain-syntax">(</span><span class="identifier-syntax">con_iname</span><span class="plain-syntax">);</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">Produce::guard</span><span class="plain-syntax">(</span><span class="identifier-syntax">ConstantInstruction::new</span><span class="plain-syntax">(</span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::at</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">con_s</span><span class="plain-syntax">,</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">InterTypes::unchecked</span><span class="plain-syntax">(), </span><span class="identifier-syntax">val</span><span class="plain-syntax">, </span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::baseline</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">));</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">Packaging::exit</span><span class="plain-syntax">(</span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::tree</span></a><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>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP12" class="paragraph-anchor"></a><b>§12. Instances. </b></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">Emit::instance</span><button class="popup" onclick="togglePopup('usagePopup26')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup26">Usage of <span class="code-font"><span class="function-syntax">Emit::instance</span></span>:<br/>Instances - <a href="5-ins.html#SP4">§4</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">inter_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">inst_iname</span><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="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">v</span><span class="plain-syntax">) {</span>
|
|
<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">Packaging::enter_home_of</span><span class="plain-syntax">(</span><span class="identifier-syntax">inst_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">inst_s</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InterNames::to_symbol</span><span class="plain-syntax">(</span><span class="identifier-syntax">inst_iname</span><span class="plain-syntax">);</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">inter_pair</span><span class="plain-syntax"> </span><span class="identifier-syntax">val</span><span class="plain-syntax"> = </span><span class="identifier-syntax">v</span><span class="plain-syntax"> ? </span><span class="identifier-syntax">InterValuePairs::number</span><span class="plain-syntax">((</span><span class="identifier-syntax">inter_ti</span><span class="plain-syntax">) </span><span class="identifier-syntax">v</span><span class="plain-syntax">) : </span><span class="identifier-syntax">InterValuePairs::undef</span><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">Produce::guard</span><span class="plain-syntax">(</span><span class="identifier-syntax">InstanceInstruction::new</span><span class="plain-syntax">(</span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::at</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">inst_s</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">Produce::kind_to_symbol</span><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">), </span><span class="identifier-syntax">val</span><span class="plain-syntax">, </span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::baseline</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">Packaging::exit</span><span class="plain-syntax">(</span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">save</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP13" class="paragraph-anchor"></a><b>§13. Variables. </b></p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="identifier-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="function-syntax">Emit::variable</span><button class="popup" onclick="togglePopup('usagePopup27')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup27">Usage of <span class="code-font"><span class="function-syntax">Emit::variable</span></span>:<br/>Variables - <a href="5-vrb.html#SP14">§14</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">inter_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">var_iname</span><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">inter_pair</span><span class="plain-syntax"> </span><span class="identifier-syntax">val</span><span class="plain-syntax">) {</span>
|
|
<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">Packaging::enter_home_of</span><span class="plain-syntax">(</span><span class="identifier-syntax">var_iname</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">var_s</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InterNames::to_symbol</span><span class="plain-syntax">(</span><span class="identifier-syntax">var_iname</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">inter_type</span><span class="plain-syntax"> </span><span class="identifier-syntax">type</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InterTypes::unchecked</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="identifier-syntax">K</span><span class="plain-syntax"> != </span><span class="identifier-syntax">K_value</span><span class="plain-syntax">))</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">type</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InterTypes::from_type_name</span><span class="plain-syntax">(</span><span class="identifier-syntax">Produce::kind_to_symbol</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">Produce::guard</span><span class="plain-syntax">(</span><span class="identifier-syntax">VariableInstruction::new</span><span class="plain-syntax">(</span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::at</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">var_s</span><span class="plain-syntax">, </span><span class="identifier-syntax">type</span><span class="plain-syntax">, </span><span class="identifier-syntax">val</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::baseline</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">Packaging::exit</span><span class="plain-syntax">(</span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">save</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">var_s</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP14" class="paragraph-anchor"></a><b>§14. Properties and permissions. </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">Emit::property</span><button class="popup" onclick="togglePopup('usagePopup28')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup28">Usage of <span class="code-font"><span class="function-syntax">Emit::property</span></span>:<br/>Properties - <a href="5-prp.html#SP7_1">§7.1</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">inter_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">prop_iname</span><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="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">Packaging::enter_home_of</span><span class="plain-syntax">(</span><span class="identifier-syntax">prop_iname</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">prop_s</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InterNames::to_symbol</span><span class="plain-syntax">(</span><span class="identifier-syntax">prop_iname</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">inter_type</span><span class="plain-syntax"> </span><span class="identifier-syntax">type</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InterTypes::unchecked</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="identifier-syntax">K</span><span class="plain-syntax"> != </span><span class="identifier-syntax">K_value</span><span class="plain-syntax">))</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">type</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InterTypes::from_type_name</span><span class="plain-syntax">(</span><span class="identifier-syntax">Produce::kind_to_symbol</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">Produce::guard</span><span class="plain-syntax">(</span><span class="identifier-syntax">PropertyInstruction::new</span><span class="plain-syntax">(</span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::at</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">prop_s</span><span class="plain-syntax">, </span><span class="identifier-syntax">type</span><span class="plain-syntax">, </span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::baseline</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">Packaging::exit</span><span class="plain-syntax">(</span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">save</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">Emit::permission</span><button class="popup" onclick="togglePopup('usagePopup29')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup29">Usage of <span class="code-font"><span class="function-syntax">Emit::permission</span></span>:<br/>Property Permissions - <a href="6-pp.html#SP4">§4</a></span></button><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">owner_s</span><span class="plain-syntax">, </span><span class="identifier-syntax">inter_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">storage_iname</span><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">prop_iname</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><span class="identifier-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">store_s</span><span class="plain-syntax"> = (</span><span class="identifier-syntax">storage_iname</span><span class="plain-syntax">)?</span><span class="identifier-syntax">InterNames::to_symbol</span><span class="plain-syntax">(</span><span class="identifier-syntax">storage_iname</span><span class="plain-syntax">):</span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">prop_s</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InterNames::to_symbol</span><span class="plain-syntax">(</span><span class="identifier-syntax">prop_iname</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">Produce::guard</span><span class="plain-syntax">(</span><span class="identifier-syntax">PermissionInstruction::new</span><span class="plain-syntax">(</span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::at</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">prop_s</span><span class="plain-syntax">, </span><span class="identifier-syntax">owner_s</span><span class="plain-syntax">, </span><span class="identifier-syntax">store_s</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::baseline</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP15" class="paragraph-anchor"></a><b>§15. Property values. </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">Emit::propertyvalue</span><button class="popup" onclick="togglePopup('usagePopup30')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup30">Usage of <span class="code-font"><span class="function-syntax">Emit::propertyvalue</span></span>:<br/>Property Values - <a href="6-pv.html#SP2_2_1">§2.2.1</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">property</span><span class="plain-syntax"> *</span><span class="identifier-syntax">P</span><span class="plain-syntax">, </span><span class="identifier-syntax">inter_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">owner</span><span class="plain-syntax">, </span><span class="identifier-syntax">inter_pair</span><span class="plain-syntax"> </span><span class="identifier-syntax">val</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">prop_s</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InterNames::to_symbol</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">P</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">owner_s</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InterNames::to_symbol</span><span class="plain-syntax">(</span><span class="identifier-syntax">owner</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">Produce::guard</span><span class="plain-syntax">(</span><span class="identifier-syntax">PropertyValueInstruction::new</span><span class="plain-syntax">(</span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::at</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">prop_s</span><span class="plain-syntax">, </span><span class="identifier-syntax">owner_s</span><span class="plain-syntax">, </span><span class="identifier-syntax">val</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::baseline</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP16" class="paragraph-anchor"></a><b>§16. Interventions. </b>These should be used as little as possible, and perhaps it may one day be possible
|
|
to abolish them altogether. They insert direct kit material (i.e. paraphrased Inter
|
|
code written out as plain text in Inform 6 notation) into bytecode; this is then
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assimilating during linking.
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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">Emit::intervention</span><button class="popup" onclick="togglePopup('usagePopup31')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup31">Usage of <span class="code-font"><span class="function-syntax">Emit::intervention</span></span>:<br/>Interventions - <a href="2-int.html#SP1">§1</a>, <a href="2-int.html#SP3">§3</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">raw_matter</span><span class="plain-syntax">, </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">replacing</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">Produce::guard</span><span class="plain-syntax">(</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">InsertInstruction::new</span><span class="plain-syntax">(</span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::at</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">raw_matter</span><span class="plain-syntax">, </span><span class="identifier-syntax">replacing</span><span class="plain-syntax">, </span><a href="2-emt.html#SP1" class="function-link"><span class="function-syntax">Emit::baseline</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">));</span>
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<span class="plain-syntax">}</span>
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</pre>
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<p class="commentary firstcommentary"><a id="SP17" class="paragraph-anchor"></a><b>§17. </b>And this is a similarly inelegant construction:
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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">Emit::append</span><button class="popup" onclick="togglePopup('usagePopup32')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup32">Usage of <span class="code-font"><span class="function-syntax">Emit::append</span></span>:<br/>Interventions - <a href="2-int.html#SP2">§2</a></span></button><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><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">text</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">symbol</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InterNames::to_symbol</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">SymbolAnnotation::set_t</span><span class="plain-syntax">(</span><span class="identifier-syntax">InterPackage::tree</span><span class="plain-syntax">(</span><span class="identifier-syntax">InterSymbol::package</span><span class="plain-syntax">(</span><span class="identifier-syntax">symbol</span><span class="plain-syntax">)),</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">InterSymbol::package</span><span class="plain-syntax">(</span><span class="identifier-syntax">symbol</span><span class="plain-syntax">), </span><span class="identifier-syntax">symbol</span><span class="plain-syntax">, </span><span class="identifier-syntax">APPEND_IANN</span><span class="plain-syntax">, </span><span class="identifier-syntax">text</span><span class="plain-syntax">);</span>
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<span class="plain-syntax">}</span>
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</pre>
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